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WO2016166335A2 - Dispositif de chauffage et procédé de chauffage - Google Patents

Dispositif de chauffage et procédé de chauffage Download PDF

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Publication number
WO2016166335A2
WO2016166335A2 PCT/EP2016/058433 EP2016058433W WO2016166335A2 WO 2016166335 A2 WO2016166335 A2 WO 2016166335A2 EP 2016058433 W EP2016058433 W EP 2016058433W WO 2016166335 A2 WO2016166335 A2 WO 2016166335A2
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
heating device
heated
combustion chamber
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2016/058433
Other languages
German (de)
English (en)
Other versions
WO2016166335A3 (fr
WO2016166335A8 (fr
Inventor
Markus Stehle
Christian Schilling
Franz Hepp
Tobias BEIß
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bielomatik Leuze GmbH and Co KG
Original Assignee
Bielomatik Leuze GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bielomatik Leuze GmbH and Co KG filed Critical Bielomatik Leuze GmbH and Co KG
Publication of WO2016166335A2 publication Critical patent/WO2016166335A2/fr
Publication of WO2016166335A3 publication Critical patent/WO2016166335A3/fr
Publication of WO2016166335A8 publication Critical patent/WO2016166335A8/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/103—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined direct heating both surfaces to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2209/00—Safety arrangements
    • F23D2209/10—Flame flashback
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14064—Burner heads of non circular shape

Definitions

  • the present invention relates to a heating device and a heating method, for example for heating thermoplastics.
  • the heating device and / or the heating method can be used for welding plastic parts.
  • Such heaters and heating methods are known for example from DE 10 2007 026 163 AI or DE 10 2010 007 317 AI.
  • the present invention has for its object to provide a heating device, which is simple and allows an optimized heating result.
  • a heating device for heating an object comprising:
  • a burner device comprising a combustion chamber, wherein in the combustion chamber by means of chemical reaction of fuel and oxidant heated exhaust gas can be provided;
  • a flow device by means of which the exhaust gas can be fed to a region of the object to be heated.
  • a region of the object to be heated is preferably a part of the object, for example an edge or a predetermined surface.
  • the object is only partially, partially, linearly or selectively heated by means of the heating device.
  • the object is completely, in particular uniformly, heated by means of the heating device.
  • a shape of the combustion chamber at least approximately corresponds to a shape of the region of the object to be heated. This can be provided in particular when the region of the object to be heated is flat and substantially perpendicular to a flow direction of the exhaust gas.
  • an edge region of the object is to be heated by means of the heating device.
  • the combustion chamber then preferably has a shape corresponding to the edge region.
  • a shape of the combustion chamber is preferably understood to mean a cross-sectional shape with respect to a sectional plane taken substantially perpendicular to a flow direction of the exhaust gas.
  • the combustion chamber of the burner device is preferably that space in which the fuel and the oxidizer react with one another, in particular in a normal operation of the heating device.
  • the combustion chamber is that space in which at least about 80%, preferably at least about 90%, for example at least about 95%, of the fuel supplied to the burner device is chemically converted.
  • the burner device may, for example, comprise a feed distributor space.
  • the feed distributor space is a space through which the fuel and / or the oxidizer are passed, in order ultimately to be supplied to the combustion chamber.
  • One or more supply lines for supplying fuel, for supplying oxidizer and / or for supplying a mixture of fuel and oxidizer preferably adjoin the feed distributor space.
  • the Zugarverteilerraum can serve, for example, the mixing of the supplied fuel with the supplied oxidizer, so that the mixture of - -
  • Fuel and oxidizer preferably uniformly and homogeneously can be fed to the combustion chamber.
  • the feed distributor space serves for spatially uniform feeding of the mixture of fuel and oxidizer to the combustion chamber.
  • the feed distributor space is adjacent to the combustion chamber in a planar manner and is fluid-effectively connected to the combustion chamber, for example by means of a multiplicity of fluid connections, for example passage openings in a separating plate.
  • the check-back space preferably has one or more of the features and / or advantages described in connection with the combustion chamber and / or the feed distributor space.
  • the shape of the feed distributor space corresponds at least approximately to a shape of the region of the object to be heated.
  • the shape of the feed distributor space is preferably a cross-sectional shape of the feed distributor space with respect to a plane extending perpendicular to the flow direction of the exhaust gas.
  • the flow direction of the exhaust gas is preferably that direction in which a main mass flow of the exhaust gas flows out of the combustion chamber and / or out of the flow device.
  • the flow direction of the exhaust gas is that direction in which one or more of the following components are arranged consecutively: - a feeder distribution room,
  • the burner device comprises an exhaust gas distribution space.
  • An exhaust gas distribution chamber is preferably a space to which exhaust gas (combustion exhaust gas) can be supplied from the combustion chamber in order to distribute this exhaust gas uniformly or selectively to an application device.
  • the exhaust gas distribution chamber preferably has a shape which at least approximately corresponds to a shape of the area of the object to be heated.
  • the shape of the exhaust gas distribution chamber is in particular a cross-sectional shape of a cross section through the exhaust gas distribution chamber with respect to a plane perpendicular to a flow direction of the exhaust gas.
  • the exhaust gas distribution chamber directly adjacent to the combustion chamber is separated from the combustion chamber.
  • a homogenization chamber of the heating device is arranged between the combustion chamber and the exhaust gas distribution chamber.
  • a homogenization chamber of the heating device serves, in particular, for equalization and homogenization of the exhaust gas.
  • An exhaust gas flow with essentially constant properties can be achieved by flowing through the homogenizing chamber, in particular no or only slight fluctuations in the residual fuel content, the temperature and / or the pressure.
  • the homogenization chamber is in particular directly adjacent to the combustion chamber, for example separated from the combustion chamber only by means of a partition plate provided with passages.
  • the homogenization space is preferably directly adjacent to the exhaust-gas distribution chamber, for example separated from the exhaust-gas distribution chamber by means of a partition plate provided with through-openings and / or a throttle device.
  • the homogenization space preferably has a shape which at least approximately corresponds to a shape of the area of the object to be heated.
  • the shape of the homogenization space is in particular a cross-sectional shape of the homogenization space with respect to a plane perpendicular to the flow direction of the exhaust gas.
  • both the feed distribution chamber, the combustion chamber and the exhaust gas distribution chamber and optionally also a homogenization space and / or a flashback space of the heating device have at least approximately the same shape, in particular cross-sectional shape.
  • the feed distributor chamber, the combustion chamber, the exhaust gas distributor chamber and optionally also a homogenization chamber and / or a flashback chamber of the heating device have mutually aligned lateral boundary walls.
  • cross-sectional shapes of the feed distributor chamber, the flashback chamber, the combustion chamber, the exhaust gas distributor chamber and / or the homogenization chamber are preferably substantially congruent, in particular at least approximately identically to one another by parallel displacement along the flow direction of the exhaust gas.
  • a region of the object to be heated is height profiled.
  • a cross-sectional shape of the combustion chamber taken perpendicular to a flow direction of the exhaust gas preferably corresponds at least in sections and at least approximately to a shape which the region of the object to be heated has, when the region of the object to be heated projects along the flow direction into a plane perpendicular to the flow direction of the exhaust gas becomes .
  • the burner device comprises a feed distributor space whose cross-sectional shape taken perpendicular to a flow direction of the exhaust gas corresponds at least in sections and at least approximately to a shape which the region of the object to be heated has, if the region of the object to be heated is longitudinal the flow direction is projected in a direction perpendicular to the flow direction of the exhaust gas plane.
  • the burner device comprises a homogenization chamber whose cross-sectional shape taken perpendicular to a flow direction of the exhaust gas at least in sections and at least approximately corresponds to a shape that the region of the object to be heated has, if the - - Heated portion of the object along the flow direction is projected in a plane perpendicular to the flow direction of the exhaust gas plane.
  • the burner device comprises an exhaust gas distribution chamber whose cross-sectional shape taken perpendicular to a flow direction of the exhaust gas at least in sections and at least approximately corresponds to a shape which the region of the object to be heated has, if the region of the object to be heated along the flow direction in a direction perpendicular to the flow direction of the exhaust gas plane is projected.
  • the exhaust gas distribution chamber, the flashback space, the combustion chamber, the homogenization chamber, the exhaust gas distribution chamber and / or the area to be heated of the object at least partially and at least approximately the same shape, when all rooms and the area along the flow direction of the exhaust gas in a direction perpendicular to the flow direction projected plane of the exhaust gas can be projected.
  • a main extension direction of the feed distribution space, the flashback space, the combustion chamber, the exhaust gas distribution space and / or the homogenization space is preferably in each case in a direction perpendicular to the flow direction of the exhaust gas plane.
  • the feed distributor space, the flashback space, the combustion space, the homogenization space and / or the waste gas distribution space are substantially annular, wherein a respective central center axis is preferably aligned substantially parallel to the flow direction of the waste gas.
  • a projection of the region of the object to be heated counter to a flow direction of the exhaust gas at least approximately completely through the exhaust gas distribution chamber, the homogenization chamber, the combustion chamber, the flashback - - and / or the Zugarverteilerraum runs. This is to be understood in particular as meaning that a projection of the region of the object to be heated counter to a flow direction of the exhaust gas does not flow laterally, that is to say perpendicular to the flow direction, via the exhaust gas distribution chamber
  • the area of space which is swept by the area of the object to be heated during (imaginary) displacement thereof opposite to the flow direction preferably crosses the exhaust distributor space, the homogenization space, the combustion space, the flashback space and / or the feed distributor space in such a way that the swept area in the region of the exhaust manifold, the Homogenisierraums, the combustion chamber, the flashback and / or Zuzhouverteilerraums at least approximately completely, in particular at least about 70%, for example at least about 90%, preferably 100%, within the exhaust manifold, within the Homogenisierraums, within the combustion chamber, within the flashback or within the Zuzhouverteilerraums lies.
  • the base surface of the hollow cylinder has a shape which corresponds at least approximately to a shape that the area of the object to be heated has, when the region of the object to be heated is projected along the flow direction into a plane perpendicular to the flow direction of the exhaust gas.
  • a feed distribution chamber of the heating device on the one hand and the combustion chamber or a flashback chamber on the other hand are preferably by means of a return - -
  • Impact protection to avoid a flashback in particular by means of a flashback, and / or separated by a flow plate and / or by means of a flame-limiting plate.
  • a flow plate is preferably formed of a nonwoven material, a sintered metal, a woven material, a metal foam or other permeable material.
  • a flow plate is preferably a plate of an open-pored or provided with a plurality of flow passages material to understand.
  • a flow plate can thus be flowed through in particular by the mixture of fuel and oxidizer.
  • the flow plate is formed of a non-combustible material.
  • the flow plate is used for flame anchoring.
  • a non-return device for preventing a flashback and / or a flow plate and / or a flame-limiting plate are preferably a separating plate between the Zu technologicalverteilerraum and / or the non-return space and / or the combustion chamber, which at least locally causes an increase in the flow rate of the supplied mixture of fuel and oxidizer such in that the flow velocity is higher than the flame velocity.
  • a flame limiting plate is preferably a partition plate between the feed distribution space or the flashback space on the one hand and the combustion chamber on the other.
  • the flame-limiting plate preferably has a passage opening (recess) which at least approximately has the shape of the combustion space and / or the feed distributor space.
  • the passage opening (recess) of the flame arrester In particular in a thickness direction running perpendicular to the flow direction of the exhaust gas, the passage opening (recess) of the flame arrester
  • - tion plate preferably formed narrower than the combustion chamber, the flashback and / or the Zugarverteilerraum.
  • the homogenizing chamber and the combustion chamber are separated from one another by means of a separating plate, which is provided in particular with a multiplicity of passage openings, for example bores.
  • the homogenization chamber and the exhaust gas distribution chamber are separated from each other by means of a partition plate, which is provided in particular with a multiplicity of passage openings, for example bores.
  • the combustion chamber or the homogenization chamber on the one hand and an exhaust gas distribution chamber of the heating device on the other hand are preferably separated from one another by means of a throttle device.
  • the heating device comprises a throttle device for varying an exhaust gas volume flow of the exhaust gas to be supplied to the region of the object to be heated.
  • the throttling device may, for example, be the throttle device arranged between the combustion chamber or the homogenizing chamber on the one hand and the exhaust gas distributor chamber on the other hand, or a throttle device different therefrom.
  • a throttle device comprises one or more throttle elements.
  • one or more throttle elements between the combustion chamber or a homogenization of the heater on the one hand and an exhaust manifold of the heater on the other hand are arranged.
  • the throttle device comprises a plurality of throttle elements arranged in a throttle plate, for example throttle valves, which are arranged distributed in particular following a shape of the combustion chamber, of the homogenization space and / or of the exhaust distributor space.
  • a throttle element may be formed, for example, by a screwable into the throttle plate screw. By screwing the screw element into the throttle plate at different distances, preferably a variation of the flow cross section and thus the throttling of the exhaust gas flow can be achieved.
  • Combustion chamber a flashback space, a Zuzhouverteilerraum, a homogenization chamber and / or an exhaust gas distribution chamber are formed annularly closed.
  • combustion chamber a flashback space, a feed distributor space, a homogenization space and / or an exhaust distribution space of the heating device are each designed to be continuous, ie in each case formed by a single annular, uninterrupted space.
  • the combustion chamber, a flashback space, the feed distributor space, the homogenization space and / or the exhaust distribution space of the heating device is provided with one or more partitions, which divide the respective space into different space segments, in particular in a direction perpendicular to the flow direction.
  • the dividing walls can be designed to be continuous along the direction of flow, so that the different space segments are not connected to one another in a fluid-efficient manner, in particular. - -
  • one or more partition walls extend with respect to the flow direction of the exhaust gas only over a part of the respective space, so that a fluid-effective connection between two adjacent space segments is maintained.
  • annularly continuous space can thereby be formed, which, in particular with respect to the flow direction of the exhaust gas downstream, is divided into a plurality of space segments by means of one or more partitions.
  • combustion chamber a flashback space, a feed distributor space, a homogenization space and / or an exhaust gas distribution space of the heating device are segmented.
  • partition walls extending parallel to the flow direction of the exhaust gas are provided for this purpose.
  • the combustion chamber, the flashback space, the feed distributor space, the homogenization space and / or the exhaust gas distribution space are thus subdivided into separate segments, in particular in a direction perpendicular to the flow direction.
  • the combustion chamber, the flashback space, the feed distributor space, the homogenization space and / or the exhaust gas distributor space of the heating device are segmented in a circumferential direction with respect to a flow direction of the exhaust gas.
  • combustion chamber segments of the combustion chamber flashback segments of the flashback chamber, feed distributor chamber segments of the feed distributor chamber, homogenization chamber segments of the homogenization chamber and / or exhaust distributor chamber segments of the exhaust distributor chamber are preferably formed. - -
  • the respective space segments are in particular in a circumferential direction adjacent segments, which together form the entire space, in particular a ring-shaped space.
  • combustion chamber is segmented and if each combustion chamber segment is assigned an ignition device of the heating device for igniting a combustible gas mixture of fuel and oxidizer.
  • An ignition device is in particular a spark plug.
  • combustion chamber may comprise fluid-effectively directly connected combustion chamber segments, wherein due to the fluid-effective connection, a flame arranged in a combustion chamber segment can spread to at least one further combustion chamber segment, in particular to all other combustion chamber segments.
  • a single ignition device in a single combustion chamber segment for igniting the gas mixture in all combustion chamber segments may be sufficient.
  • a Zuzhouverteilerraum the heater, a flashback of the heater, the combustion chamber, a homogenization of the heater and / or an exhaust manifold of the heater are arranged together in a base body of the heater and / or formed.
  • the main body of the heating device preferably has a layer structure.
  • the main body comprises a plurality of recesses and / or with openings provided plates, wherein the recesses and / or the passage openings the feed distribution chamber of the heater, the non-return space of the heater - -
  • Further plates or layers of the main body preferably form partition plates for separating the spaces from each other.
  • the plurality of layers and / or plates of the base body connected to each other, in particular screwed, jammed or welded, are.
  • a seal to the outside preferably results from the connection, in particular a clamping connection or welded connection.
  • the heating device comprises an application device for applying the exhaust gas to the area of the object to be heated.
  • the exhaust gas provided (generated) in the combustion chamber can be directed to the region of the object to be heated.
  • the application device comprises a plurality of application tubes, which in particular have a shape of the one to be heated
  • An application tube is in particular a hollow cylinder whose length exceeds the inner diameter by preferably at least approximately three times, preferably at least approximately five times, for example at least approximately ten times.
  • the application tubes are formed from a metallic material. - -
  • the application device is preferably adapted to the three-dimensional shape of the area of the object to be heated.
  • the application device comprises an application plate on which the application tubes are arranged.
  • the plate is preferably flat and flat and constitutes a boundary of the exhaust gas distribution chamber in the flow direction of the exhaust gas.
  • the application tubes may have different lengths and thereby the application device is adapted to the three-dimensional shape of the area of the object to be heated.
  • the lengths of the application tubes are selected so that in the position of the object in which the region of the object to be heated is to be heated, a distance between the end of the respective application tube facing the object and the region to be heated at most is about 10 mm, for example at most about 5 mm, in particular at most about 3 mm, and / or at least about 0.5 mm, for example at least about 1 mm, in particular at least about 2 mm.
  • the application tubes preferably have different straight and / or beveled ends, so that preferably the ends themselves have a shape adapted to the local contour of the region to be heated.
  • application tubes with different inner diameters can be provided. - -
  • all application tubes are arranged and / or aligned parallel to one another.
  • the application tubes are arranged at different distances from each other.
  • the distances of the application tubes from one another are preferably smaller when the exhaust gas applied by means of the respective application tubes impinges on the region of the object to be heated at a more acute angle, and larger when the exhaust gas applied by means of the respective application tubes is at a blunt angle to the region to be heated of the object.
  • a uniform flow of the area to be heated with exhaust gas can preferably be achieved in order to ultimately ensure a uniform heating of the area to be heated.
  • the application device is preferably part of the flow device.
  • the application device comprises a plurality of application tubes, which are fixed to a common application plate, wherein the application plate preferably limits the exhaust gas distribution chamber in the flow direction of the exhaust gas and / or is part of the main body of the heating device.
  • the heating device comprises an application device for applying the exhaust gas to the area of the object to be heated, wherein the application device comprises a plurality of application tubes, the heating device being a throttle device for varying an exhaust gas volume flow of the region of the object to be heated comprising, the throttle device comprises a plurality of throttle elements, wherein in each case one or more throttle elements are each associated with one or more application tubes.
  • the one or more throttle elements may preferably be a targeted exhaust gas supply to one or more application tubes are made possible to ultimately preferably to ensure a uniform flow of the heated region of the object with exhaust gas.
  • the present invention further relates to a heating method for heating an object.
  • the invention is in this respect the task of providing a heating method, by means of which an optimized heating result can be achieved.
  • This object is achieved by a heating method for heating an object, wherein fuel and oxidizer a heater, in particular a heater according to the invention, are supplied, wherein in the combustion chamber of the burner device of the heater exhaust gas is generated, which via the flow device of the burner device to be heated area the object is supplied.
  • the mixture of fuel and oxidizer is converted into exhaust gas adapted to a shape and / or contour of the region of the object to be heated by means of the burner segments.
  • the generated exhaust gas is supplied to the region of the object to be heated by means of the burner segments.
  • the exhaust gas streams generated by means of a plurality of burner segments of the burner device are preferably supplied with different volume flows to different application tubes of an application device of the heating device and applied to the region of the object to be heated by means of these application tubes.
  • the heating method according to the invention preferably also has one or more of the features and / or advantages described in connection with the heating device and / or heating system according to the invention.
  • the heating device according to the invention may preferably have one or more of the features and / or advantages described in connection with the heating method according to the invention.
  • the heating system according to the invention preferably also has one or more features and / or advantages which are described in connection with the heating device according to the invention and / or the heating method according to the invention.
  • the heating device comprises a gas feed for supplying fuel and / or oxidizer to the burner device.
  • the gas supply preferably comprises a mixing device for mixing the fuel with the oxidizer, in particular for providing a combustible mixture of fuel and oxidizer.
  • the gas supply comprises a distributor device with one or more distributor valves. - -
  • one or more distribution valves of the gas supply is preferably the Zuzhouverteilerraum fuel and / or oxidizer and / or a mixture of fuel and oxidizer supplied.
  • fuel and / or oxidizer and / or a mixture of fuel and oxidizer can be fed to the feed distributor space separated from one another by means of a plurality of distributor valves of the gas feed.
  • the distribution valves can thus preferably be influenced selectively, which volume flow of the mixture of fuel and oxidant via the Zunaturalverteilerraumsegmente the associated
  • feed distributor space a flashback space
  • combustion space the homogenization space and / or the exhaust gas distribution space
  • exhaust gas distribution space it may be favorable if the feed distributor space, a flashback space, the combustion space, the homogenization space and / or the exhaust gas distribution space are essentially identically segmented, so that in particular in the
  • Flow direction of the exhaust gas sequential space segments have at least approximately the same cross-sectional area and / or cross-sectional shape.
  • the exhaust gas volume flow in the individual exhaust gas distribution chamber segments can thus be adjusted selectively in order ultimately to influence the exhaust gas application in segments, in particular for uniform Heating or targeted local different heating of the heated area of the object.
  • the gas supply preferably comprises a mixing device, which is arranged in particular upstream or downstream of the one or more distribution valves.
  • the mixing device serves to provide a combustible mixture of fuel and oxidizer.
  • one or more flashback fuses are provided in the gas supply, in particular upstream or downstream of the one or more distribution valves.
  • the gas supply comprises one or more non-return valves.
  • one or more distribution valves may each comprise one or more check valves.
  • the burner device preferably comprises a plurality of ignition devices, in particular spark plugs, which protrude in particular into the combustion chamber, preferably into different combustion chamber segments of the combustion chamber.
  • a space in particular a feed distributor space, a flashback space, the combustion space, a homogenization space and / or an exhaust gas distribution space, is divided into three, four, six, eight or more than eight space segments.
  • a supply distributor space segment Preferably, along the flow direction of the exhaust gas, a supply distributor space segment, a check chamber segment, a combustion chamber segment, a homogenization space segment and / or an exhaust gas distribution chamber segment are arranged successively, which together form a burner segment.
  • the burner device is formed from a plurality of burner segments, wherein the burner segments are arranged in particular annular.
  • one, two or three rooms are not segmented, while the three others, the two others or the other room are correspondingly segmented.
  • combustible gas in particular natural gas, methane, ethane, propane, butane, etc., may be provided as fuel for the burner device.
  • natural gas methane, ethane, propane, butane, etc.
  • air is used as the oxidizer.
  • the heater is in particular part of a heating system.
  • the heating system comprises two heating devices which are in particular substantially mirror-symmetrical to one another with respect to a plane extending substantially perpendicular to the flow direction of the exhaust gas, in particular a transverse center plane of the heating system.
  • exhaust gas generated by the two heaters can be applied in opposite and / or opposite flow directions.
  • These two heating devices can be introduced, in particular, between two objects to be connected to one another in order to heat the two objects to be connected to one another at least locally and to connect them together by subsequent compression.
  • the heating system is thus in particular a welding system for plastic welding.
  • FIG. 1 shows a schematic section through a heating device designed as a welding device, which comprises two heating devices;
  • FIG. 2 shows a schematic perspective view of a gas supply of a heating device of the heating system from FIG. 1;
  • Fig. 3 is an enlarged view of the area III in Fig. 1; a schematic section through a burner device and a flow device of an alternative embodiment of a heating device;
  • Fig. 5 is a schematic perspective view of a base portion of a burner apparatus
  • Fig. 6 is a schematic plan view of an alternative embodiment of a base portion of a burner apparatus
  • FIG. 7 shows a schematic perspective illustration of a dividing wall for dividing a feed distributor space into a plurality of feed distributor space segments
  • Fig. 8 is a schematic perspective view of a partition plate of a burner apparatus
  • FIG. 9 is a schematic perspective view of a base portion of a burner apparatus, wherein a partition plate and a spacer plate are disposed on the base portion;
  • FIG. 10 is a schematic representation corresponding to FIG. 9 of the component composite from FIG. 9, wherein additionally a flow plate and a flame-limiting plate are provided;
  • Fig. 11 is an enlarged view of the area XI in Fig. 10;
  • FIG. 12 shows a schematic perspective view corresponding to FIG. 10
  • FIG. 13 is a schematic perspective view of a throttle plate of a throttle device of a combustor
  • Fig. 14 is an enlarged view of the area XIV in Fig. 13;
  • Fig. 15 is a schematic perspective corresponding to FIG. 12
  • FIG. 16 shows a schematic perspective view of an application device of a flow device of a heating device, in which a flow plate and a plurality of substantially identical application tubes are provided;
  • Fig. 17 is a schematic perspective view of a means of
  • Heating device partially heated object
  • Fig. 18 is a schematic side view of an alternative embodiment of an application device, in which application tubes are provided with different lengths and with different lateral distances from each other.
  • the Fig. 1 shows a schematic section through an embodiment of a heating system designated as a whole as 100.
  • the heating system 100 serves, for example, for heating objects 102. - -
  • regions 104 of one or more objects 102 to be heated are preferably heatable.
  • the heating system 100 is designed, for example, as a welding device 106 for welding plastic components.
  • the plastic components are then the objects 102.
  • the heating system 100 comprises two heating devices 108, which are arranged and / or formed substantially mirror-symmetrically with respect to a transverse center plane 110 of the heating system 100.
  • heating devices 108 By means of the heating devices 108, it is possible, in particular, to heat regions 104 of two objects 102 that are substantially complementary to one another in order to bring these two objects 102 together after heating and thus to join them in a materially bonded manner.
  • the further heating device 108 is preferably constructed substantially identical or mirror-symmetrically thereto.
  • a heater 108 preferably includes a burner device 112 for providing heated exhaust gas (hot exhaust gas).
  • the heating device 108 comprises a flow device 114, by means of which the exhaust gas can be fed to the region 104 of an object 102 to be heated. - -
  • each heater 108 includes a gas supply 116.
  • Each gas supply 116 preferably includes a mixing device 118 for mixing fuel and oxidizer and thus providing a combustible mixture of fuel and oxidizer.
  • each gas supply 116 includes one or more distribution valves 120 and one or more supply lines 122.
  • the mixing device 118 may be located upstream or downstream of the one or more distribution valves 120.
  • the mixing device 118 is arranged upstream of a plurality of distribution valves 120 of the gas supply 116.
  • the mixture of fuel and oxidizer generated in the mixing device 118 can be supplied to a plurality of feed lines 122 of the gas feed 116 and, with this, finally to the burner device 112.
  • the gas supply 116 may include one or more flashbacks 124, such as one or more flashback cartridges 126. These non-return valves 124 are arranged, for example, downstream of each distributor valve 120, in order to prevent damage to the distributor valves 120 in the event of a flashback.
  • the heating device 108 preferably comprises a main body 128 in which the burner device 112 is arranged and / or formed (see FIGS. 3 and 4). - -
  • the main body 128 is formed, for example, as a stack of a plurality of plates, in particular metal plates. In particular, it can be provided that the base body 128 is substantially cuboid.
  • a plurality of spaces of the burner device 112 are formed within the main body 128.
  • FIGS. 3 and 4 show different embodiments of a heater 108 and serve to further explain in detail the structure and operation of the heater 108.
  • the burner device 112 preferably comprises a feed distributor space 130, to which the mixture of fuel and oxidizer can be supplied by means of the feed lines 122 of the gas feed 116.
  • the Zu manufacturedverteilerraum 130 and the check-chamber 132 are preferably separated from each other by means of a non-return valve 124.
  • the non-return guard 124 is, for example, a partition plate 134, which is preferably provided with a plurality of passage openings 136.
  • the passage openings 136 are in particular dimensioned such that a flow velocity of the flowing mixture of fuel and oxidizer during normal operation of the heater 108 is at least locally greater than the flame propagation speed, in particular to avoid an undesirable flashback from the flashback chamber 132 in the Zugarverteilerraum 130. - -
  • a combustion chamber 138 of the burner device 112 Adjoining the flashback chamber 132, a combustion chamber 138 of the burner device 112 is provided.
  • the combustion chamber 138 and the flashback chamber 132 are preferably separated from one another by means of a flow plate 140 and by means of a flame-limiting plate 142.
  • the flow plate 140 is formed, for example, as a metallic fleece (fuel fleece), as a sintered plate or as an other material-flow-through element.
  • the flow plate 140 is formed of a non-combustible material.
  • the flame-limiting plate 142 preferably includes a recess 144.
  • the flame-limiting plate 142 is preferably a
  • Burner device 112 further includes one or more igniters 146, such as one or more spark plugs 148. Ignition devices 146 preferably protrude into combustion chamber 138 to ignite the fuel and oxidant mixture disposed therein.
  • a heating device 108 differ in particular from each other that in the in Fig. In fig. 4, downstream of the combustion chamber 138, a homogenization chamber 150 of the burner device 112 is provided and separated from the combustion chamber 138 by means of a partition plate 134.
  • Heating device 108 are preferably achieved by extended configuration of the combustion chamber 138.
  • the exhaust gas produced in the combustion chamber 138 can thus be supplied to the exhaust gas distribution chamber 152 with a separate homogenization chamber 150 or without such.
  • the combustion space 138 or the homogenization space 150 on the one hand and the exhaust gas distribution space 152 on the other hand are separated from one another by means of a throttling device 154.
  • the throttle device 154 comprises in particular a throttle plate 156, in which in particular one or more, in particular adjustable, throttle elements 158 are arranged.
  • the throttle elements 158 are, in particular, screw elements or other adjustable elements which, for example by means of a closure cone, a closure needle, one or more cover elements, diaphragm elements or the like, allow a variation of a flow cross section of passage openings 136 arranged in the throttle plate 156.
  • an exhaust gas volume flow which is supplied to the exhaust gas distribution chamber 152, can be set locally variably.
  • the heating device 108 further comprises an application device 160.
  • the exhaust gas generated by means of the burner device 112 can be applied to the region 104 of an object 102 to be heated. - -
  • the application device 160 comprises in particular a plurality of application tubes 162, via which the exhaust gas can be selectively supplied to the region 104 of the object 102 to be heated.
  • the application tubes 162 are in particular fixed to an application plate 164 of the application device 160, for example, screwed tight and / or welded.
  • the application plate 164 is preferably part of the main body 128. In particular, the application plate 164 serves to limit the exhaust distributor space 152.
  • the application tubes 162 adjoin the exhaust manifold 152 at one end. The further end of the application tubes 162 faces the region 104 of the object 102 to be heated. In a state of the heater 108 in which the heated portion 104 of the object 102 is heated, a distance between the ends of the application tubes 162 and the portion 104 of the object 102 to be heated is preferably between about 2 mm and about 5 mm.
  • the application tubes 162 are preferably elongated, with a length L preferably exceeding an inner diameter I by at least about three times, for example at least about ten times.
  • the burner device 112 may be formed unsegmentiert, so that the functionally different spaces are not subdivided and thus formed consistently.
  • the burner device 112 is formed at least partially segmented. At least individual rooms 130, 132, 138, 150, 152 of the burner apparatus 112 are then preferred - - segmented, that is divided into different subspaces (segments). The segments are in particular fluidically separated from each other.
  • the entire burner device 112 may thus be formed, for example, from a plurality of burner segments 166.
  • Each burner segment 166 preferably has a longitudinal section, which essentially corresponds to that shown in FIG. 3 or in Fig. 4 section corresponds.
  • the description of the individual elements of the heating system 100 and / or the heating device 108 preferably relates to a flow direction 168 of a gas passed through the respective heating device 108.
  • the flow direction 168 is in particular a main flow direction of the exhaust gas.
  • This main flow direction is preferably substantially linear.
  • this flow direction 168 is preferably used even in areas in which no exhaust gas still exists.
  • the flow direction 168 may preferably be understood as a main extension direction of the burner device 112.
  • the heater 108 preferably operates as follows:
  • Fuel and oxidizer in particular natural gas and air, are supplied to the feed distributor chamber 130 via the gas feed 116.
  • the mixture of fuel and oxidizer then flows through the separating plate 134, which acts as a non-return valve 124, in the non-return space 132. - -
  • the mixture of fuel and oxidizer flows through the flow plate 140 and through the recess 144 in the flame-limiting plate 142 into the combustion chamber 138.
  • the mixture of fuel and oxidizer is chemically reacted, in particular to form a flame.
  • An initial ignition is preferably carried out by means of the igniter 146th
  • the flame generated during the combustion of the fuel anchors in particular on or on the flow plate 140 in the region of the recess 144 of the flame-limiting plate 142.
  • this can be achieved by a uniform laminar combustion of the fuel.
  • the exhaust gas produced in the combustion chamber 138 is then supplied to the homogenization chamber 150 via a further separating plate 134 where it is homogenized, that is to say in particular mixed, in order to achieve a uniform gas composition and / or temperature of the exhaust gas flow (see FIG. 4).
  • the separation plate 134 and the additional separate homogenization space 150 may also be dispensable (see FIG. 3), especially if the combustion in the region of the flow plate 140 and the flame-limiting plate 142 already produces sufficiently uniform exhaust gas parameters.
  • an exhaust gas volume flow of the exhaust gas flowing into the exhaust gas distributor chamber 152 can be adjusted.
  • the exhaust gas is distributed to one or more application tubes 162 of the application device 160.
  • the exhaust gas then flows through the application tubes 162 and finally strikes the object 102.
  • the heated exhaust gas discharges at least part of its heat to the region 104 of the object 102 to be heated in order to ultimately heat it to a desired temperature.
  • a plurality of sensor elements for example temperature sensors, flow sensors, pressure sensors, etc., may be provided.
  • a targeted control of the distribution valves 120 and / or a targeted adjustment of the throttle elements 158 can then be carried out in order ultimately to achieve a uniform exhaust application for uniform heating of the region 104 to be heated or a specifically locally different exhaust application for locally different heating of the region 104 to be heated of the object 102.
  • the burner device 112 in particular one or more burner segments 166, may, for example, have cuboidal or cylindrical spaces 130, 132, 138, 150, 152.
  • the shape of the feed distribution space 130, the flashback space 132, the combustion space 138, the homogenization space 150 and / or the exhaust gas distribution space 152 is adapted to the shape of the area 104 of the object 102 to be heated. - -
  • the arrangement and configuration of the application tubes 162 is preferably adapted to the shape of the area 104 of the object 102 to be heated.
  • a reliable heating of the area 104 can preferably be ensured, in particular without fear of undesired hotspots and / or cool portions of the area 104 to be heated.
  • the heating device 108 is illustrated using the example of a planar elliptical region 104 to be heated of an object 102. Decisive here, however, is not the concrete shape in this application, but the fact that the burner device 112 and the flow device 114 are adapted to the shape of the area 104 of the object 102 to be heated.
  • the burner device 112 and the flow device 114 are formed following the contour of the region 104 of the object 102 to be heated.
  • a base portion 170 of the burner apparatus 112 is shown.
  • the base portion 170 comprises, for example, a substantially cuboidal base plate 172, which is provided with an elliptical recess 174.
  • This elliptical recess 174 forms, in particular, the supply distributor space 130 of the burner device 112.
  • the supply lines 122 of the gas supply 116 of the heating device 108 can preferably be connected to an underside 176 of the base plate 172. - -
  • the mixture of fuel and oxidizer supplied via the supply lines 122 can be supplied to the feed distributor space 130.
  • a non-segmented supply manifold space 130 is provided.
  • the Zu Switzerlandverteilerraum 130 is thus formed continuously permeable to fluid.
  • a plan view of an alternative embodiment of a base portion 170 shown in FIG. 6 shows a segmented feed manifold space 130.
  • the supply distributor space 130 is provided with several, for example eight, partitions 180, resulting in a plurality, in particular eight, supply distributor space segments 182 of the supply distributor space 130.
  • Each feed distributor space segment 182 is preferably assigned a separate inlet opening 178, so that a desired gas volume flow can be fed to each feed distributor space segment 182 independently of the further feed distributor space segments 182 via the distributor valves 120 of the gas feed system 116.
  • FIG. 7 shows an example of a dividing wall 180, which can be fixed to the base section 170, for example, by means of two lateral projections or holding elements 184.
  • the lateral projections or holding elements 184 can preferably be received in correspondingly formed recesses 185 in the base section 170, in particular screwed.
  • the partitions 180 are thus selectively mountable or removable from the base portion 170. - -
  • Fig. 8 shows a partition plate 134 which is provided with a plurality of passage openings 136.
  • the passage openings 136 are preferably arranged contour-related with respect to the region 104 of the object 102 to be heated in the separating plate 134.
  • the passage openings 136 are thus arranged in an elliptical ring shape.
  • the separating plate 134 can in particular be arranged directly on the base section 170 of the main body 128 of the burner device 112.
  • FIG. 9 can be seen, for example, provided with an elliptical passage opening 186 spacer plate 188 of the body 128 are arranged on the partition plate 134.
  • the spacer plate 188 is also preferably provided with partitions 180 to divide the flashback chamber 132 formed by the spacer plate 188 into a plurality of flashback space segments 190.
  • the dividing walls 180 are arranged along the flow direction 168 on the partitions 180 in the base portion 170, so that the check space segments 190 are fittingly connected to the Zu technologicalverteilerraum- segments 182.
  • the spacing plate 188 is followed, in particular, by the flow plate 140 and, subsequently, by the flame limiting plate 142, which has the recess 144 already described above.
  • the recess 144 is likewise contour-shaped with respect to the region 104 of the object 102 to be heated.
  • an elliptical recess 144 is provided in the flame-limiting plate 142. - -
  • a combustion chamber plate 192 which has a contour-following, in particular elliptical, passage opening 186, preferably follows in FIG.
  • the combustion chamber plate 192 is provided with partitions 180, which are arranged in particular matching the partitions 180 of the spacer plate 188 and the base plate 172.
  • combustion chamber plate 192 By means of the partition walls 180 in the combustion chamber plate 192, in particular a plurality of combustion chamber segments 194 are formed, which adjoin the check-recoil space segments 190 particularly suitably.
  • the combustion chamber plate 192 is further provided with passages 196 for receiving the igniters 146.
  • the individual combustion chamber segments 194 are accessible from outside of the main body 128, in particular in a direction perpendicular to the flow direction 168, so that in particular a respective spark plug 148 can protrude from outside the main body 128 into the respective combustion chamber segment 194.
  • the combustion chamber plate 192 can be provided with a partition plate 134 according to FIG. 8, in particular in order to separate the combustion chamber 138 from the homogenization chamber 150 (see in particular FIG. 4).
  • the homogenizing chamber 150 or optionally also directly the combustion chamber 138 is covered by means of the throttle plate 156 of the throttle device 154 shown in FIG. 13 (see FIG. 15).
  • Throttle plate 156 preferably includes a plurality of tapped holes 198 (see FIG. 14), which are particularly elliptical and contour-following with respect to region 104 of object 102 to be heated.
  • the threaded holes 198 are arranged in particular in an annular closed row.
  • the passage openings 136 are in this case arranged in particular in such a way relative to the threaded bores 198 that throttling elements 158 introduced into the threaded bores 198, depending on the position and orientation of the respective throttle element 158, variably release or close the passage openings 136.
  • throttle elements 158 is thus in particular a free flow cross-section of the throttle plate 156 adjustable.
  • FIG. 16 shows the application device 160, which comprises application tubes 162 which are arranged following the contour, elliptically arranged, in particular in an annularly closed row.
  • the application tubes 162 are fixed to the application plate 164 and in the illustrated embodiment of the application device 160 are all substantially identical. - -
  • a planar elliptical edge region 200 of an oval plastic component 202 can be heated to 5 to 16 component-wise illustrated heating device 108 (see FIG. 17).
  • the contiguous configuration of the entire burner apparatus 112 and the entire flow apparatus 114 can realize a very uniform and locally adaptable gas feed from the feed distributor space 130 to the area 104 of the object 102 to be heated.
  • the heating device 108 Due to the chosen construction of the heating device 108, even in the case of a three-dimensionally contoured region 104 of the object 102 to be heated uniform heating can be ensured, for example by adjusting the segmentation of the spaces 130, 132, 138, 150, 152. Further, the gas flow in the supply manifold space segments 182, check space segments 190, combustion chamber segments 194, homogenizer space segments 204, and / or exhaust manifold space segments 206 may be selectively varied to include different portions of the region 104 of the object 102 to be heated with the heat required to supply.
  • Fig. 18 also shows that the configuration and arrangement of the application tubes 162 can be varied in order to realize an optimum adaptation of the heating device 108 to the region 104 of the object 102 to be heated. - -
  • this can be provided for different Lich long 16 ubation of application pipes 162.
  • the application tubes are net 162 in different ⁇ l cozy intervals Ai, A 2 from one another angeord, depending on whether th e adjacent application tubes 162 of exposing a rather inclined portion to be heated area 104 or a rather straight portion serve the area to be heated 104.
  • an inclined surface to be heated region 104 of the object can in particular be reliably supplied with 102 dersel ben amount of heat perhabilitnein ⁇ standardized as flat surfaces, that is, cozy Wesentl sen Krecht to the flow direction of the exhaust gas 168 aligned surfaces.
  • each operable Brennerseg elements 166 is divided, so that, for example, ment 166 for each Brennerseg also a separate ignition device 146 is provided.
  • a recess can be provided over a height of about 5 mm in the partitions 180 between the combustion chamber segments 194.
  • all the spaces 130, 132, 138, 150, 152 are arranged with respect to their main directions of extension in planes oriented perpendicular to the flow direction 168 of the exhaust gas.
  • a firing surface predetermined by the flow plate 140 and / or the flame-limiting plate 142 also follows a geometry of the region 104 of the object 102 to be heated in the flow direction 168.
  • a heating device 108 preferably one or more of the features described above may be combined as desired.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention vise à créer un dispositif de chauffage, destiné à chauffer par exemple des résines thermoplastiques, de conception simple et permettant d'obtenir un chauffage optimal. A cet effet, le dispositif de chauffage selon l'invention comprend : un dispositif brûleur qui comprend une chambre de combustion, dans laquelle un gaz brûlé peut être obtenu par réaction chimique d'un combustible et d'un comburant ; ainsi qu'un dispositif d'écoulement au moyen duquel le gaz brûlé peut être acheminé jusqu'à une zone à chauffer de l'objet.
PCT/EP2016/058433 2015-04-17 2016-04-15 Dispositif de chauffage et procédé de chauffage Ceased WO2016166335A2 (fr)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007026163A1 (de) 2007-06-04 2008-12-11 Bielomatik Leuze Gmbh + Co Kg Verfahren und Vorrichtung zum Aufschmelzen eines thermoplastischen Kunststoffes, insbesondere zum Schweißen von Kunststoffteilen
DE102010007317A1 (de) 2010-02-08 2011-08-11 bielomatik Leuze GmbH + Co. KG, 72639 Verfahren und Vorrichtung zum Aufschmelzen eines thermoplastischen Kunststoffes, insbesondere zum Schweißen von Kunststoffteilen

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US3232593A (en) * 1963-08-08 1966-02-01 Charles S Flynn Oven
SE7910048L (sv) * 1979-12-06 1981-06-07 Assi Can Ab Anordning for att till ett veldefinierat omrade tillfora en het gasstrom
FR2678360B1 (fr) * 1991-06-28 1993-09-10 Applic Gaz Sa Appareil de chauffage avec bruleur catalytique.
DE10019163A1 (de) * 2000-04-12 2001-10-18 Volkswagen Ag Ausströmvorrichtung zum Warmgas-Verschweißen von Kunststoffteilen und Verfahren zum Warmgas-Verschweißen von Kunststoffteilen
JP3582833B2 (ja) * 2002-03-06 2004-10-27 中島銅工株式会社 半田ごて
US20130228232A1 (en) * 2012-03-02 2013-09-05 Pro-Iroda Industries, Inc. Hot Air Blower

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007026163A1 (de) 2007-06-04 2008-12-11 Bielomatik Leuze Gmbh + Co Kg Verfahren und Vorrichtung zum Aufschmelzen eines thermoplastischen Kunststoffes, insbesondere zum Schweißen von Kunststoffteilen
DE102010007317A1 (de) 2010-02-08 2011-08-11 bielomatik Leuze GmbH + Co. KG, 72639 Verfahren und Vorrichtung zum Aufschmelzen eines thermoplastischen Kunststoffes, insbesondere zum Schweißen von Kunststoffteilen

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