[go: up one dir, main page]

EP4316734A2 - Dispositif et procédé de nettoyage avec un dispositif de projection - Google Patents

Dispositif et procédé de nettoyage avec un dispositif de projection Download PDF

Info

Publication number
EP4316734A2
EP4316734A2 EP23219287.2A EP23219287A EP4316734A2 EP 4316734 A2 EP4316734 A2 EP 4316734A2 EP 23219287 A EP23219287 A EP 23219287A EP 4316734 A2 EP4316734 A2 EP 4316734A2
Authority
EP
European Patent Office
Prior art keywords
propellant gas
supply
gas
blasting material
adjustable
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.)
Pending
Application number
EP23219287.2A
Other languages
German (de)
English (en)
Other versions
EP4316734A3 (fr
Inventor
Juerg Solenthaler
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.)
Desisa GmbH
Original Assignee
Desisa GmbH
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 Desisa GmbH filed Critical Desisa GmbH
Priority to EP23219287.2A priority Critical patent/EP4316734A3/fr
Publication of EP4316734A2 publication Critical patent/EP4316734A2/fr
Publication of EP4316734A3 publication Critical patent/EP4316734A3/fr
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/003—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods using material which dissolves or changes phase after the treatment, e.g. ice, CO2
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
    • B24C5/04—Nozzles therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • B24C7/0053—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • B24C7/0053—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
    • B24C7/0061—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier of feed pressure

Definitions

  • the application relates to a device and a method for cleaning, in particular for dry ice cleaning, according to the preambles of the independent claims.
  • Dry ice pellets are compressed and/or pressed dry ice.
  • pellets from a storage container are metered into a stream of compressed air, carried in the direction of a blasting gun and finally accelerated with a nozzle, for example a Laval nozzle, towards a surface to be cleaned.
  • a nozzle for example a Laval nozzle
  • a propellant gas stream for example a compressed air stream, creates a partial vacuum of a jet device.
  • the dry ice together with a flow of conveying gas surrounding the dry ice, is torn from a storage container through a suction line into the blasting device by the negative pressure and accelerated there with the propellant gas in the direction of the surface to be cleaned.
  • the 1-hose blasting system and the 2-hose system can also be combined if an additional compressed air stream is fed into the blasting device with the 1-hose blasting system.
  • the more blasting material is drawn through the suction line the more blasting material is released.
  • This amount can be increased by increasing the propellant gas supply or by adjusting the throughput capacity for the propellant gas in the jet device, for example according to EP 0 786 311 through replaceable air fingers.
  • the DE 10 254 159 discloses a blasting device in which part of the propellant gas is diverted before the acceleration of the blasting agent and is fed back to the blasting agent stream after the acceleration of the blasting agent.
  • the admixture increases the blasting power without adding additional propellant gas. If the supplied propellant gas stream envelops the blasting agent, it prevents an edge layer of propellant from forming at a reduced speed.
  • the supply of dry pellets into the suction line can be changed to regulate the delivery rate, for example according to DE 196 24 652 via a screw conveyor operated by an air motor.
  • the delivery rate of the blasting material can only be adjusted imprecisely.
  • a system for dispensing cold particles in which a propellant gas stream draws material from a storage container.
  • the propellant gas stream is led to a jet nozzle via two lines, both of which are equipped with a valve.
  • One of the lines forms a bypass that pressurizes the container to prevent the material from blocking.
  • the CN 102327884 A discloses a dry ice cleaning device in which compressed air is led to a Venturi nozzle via a high-pressure line and a low-pressure line. A valve and a material container are provided in the low pressure line.
  • the US 5,319,946 shows a device for storing and projecting ice balls, in which compressed air is fed directly into a jet gun and into the suction line, via which the ice balls are pulled out of a container.
  • the US 5,876,267 discloses a blasting device with a supply line for compressed air and a suction line for abrasive material. An additional compressed air supply line is also provided.
  • the task is to provide a device and a method for dry ice cleaning in which the Disadvantages of the known are avoided, in particular the delivery rate of the blasting material should be variable during operation independently of a predetermined propellant gas flow.
  • the task is solved by a device for cleaning, in particular dry ice cleaning, with a jet device.
  • the jet device includes a first supply for propellant gas.
  • the propellant gas is preferably compressed air.
  • the jet device can preferably be connected to a device for supplying propellant gas, for example by means of a pressure line to a compressed air tap, for example on a mobile or stationary compressor.
  • the blasting device comprises at least one further supply for a blasting material, in particular dry ice pellets, which is connected to a suction line.
  • the suction line leads in particular to a storage container in which the blasting material is located.
  • the blasting device includes a mixing space in which the blasting material can be mixed with the propellant gas and an acceleration section for accelerating the blasting material with the propellant gas.
  • the further feed for a blasting material preferably flows into the mixing room.
  • the propellant gas is preferably fed from the first propellant gas supply via a nozzle into the mixing space.
  • the nozzle can have a section with a decreasing flow cross section. The propellant gas is accelerated in the nozzle.
  • the mixture of blasting material and propellant gas is then accelerated in the acceleration section and typically leaves the blasting device in the direction of the surface to be cleaned.
  • a tapering section can be provided downstream of the feed for the blasting material, in which the flow cross section decreases in the flow direction to a minimum cross section, which is followed by the acceleration section.
  • the tapered section can still be considered part of the mixing space.
  • the acceleration section preferably has a flow cross section that widens in the direction of flow.
  • At least one conveying gas flow upstream of the acceleration section can be adjusted during operation independently of the first propellant gas flow, so that the delivery rate of the blasting material can be adjusted.
  • the adjustment is not made by adjusting the first propellant gas flow, but rather by influencing the gas that surrounds the blasting material, i.e. the conveying gas, before the mixture of blasting material and gas is accelerated in the acceleration section.
  • the negative pressure that ensures the suction of the blasting material is influenced.
  • At least one gas supply for an adjustable gas flow can be provided in the suction line and/or in the mixing chamber.
  • the gas supply also enables, among other things, uniform gas delivery, even if the supply of blasting material to the suction line is interrupted.
  • a gas opening with an adjustable opening cross section can be provided.
  • Ambient air can enter the suction line and/or the mixing chamber through the gas opening, thereby reducing the pressure difference responsible for the suction.
  • the gas supply can be designed as a further supply for propellant gas, with a further supply for propellant gas being provided in the suction line and/or in the mixing space, which can be supplied with propellant gas independently of the action on the first supply for propellant gas.
  • a bypass can be provided for guiding an adjustable proportion of propellant gas, the bypass in particular leading from the first supply for propellant gas into the suction line and/or into the mixing space.
  • the amount of blasting material can be easily metered.
  • the entire propellant gas stream supplied was varied. If the propellant gas flow is reduced, less blasting material is sucked in and it is also accelerated less. With an increase, more blasting material is typically sucked in and this is also accelerated more strongly. However, if the first propellant gas flow is increased, a dynamic pressure can arise in the blasting device, so that not more, but less blasting material is sucked in, which leads to the amount of blasting material being conveyed decreasing when the amount of propellant gas increases.
  • the bypass line ensures that, on the one hand, the same amount of propellant gas is always available for acceleration, but on the other hand, less propellant gas enters the mixing chamber directly, for example through the nozzle, and therefore less blasting material is sucked in.
  • the bypass is fed in upstream of the acceleration section, the effect is intensified because the propellant gas fed in also leads to a reduction in the pressure difference that ensures the suction of the blasting material.
  • the bypass is preferably not fed in such a way that the bypass itself develops a suction effect comparable to the primary propellant gas flow.
  • the bypass for example, does not have a narrowed line and is preferably not designed like a nozzle.
  • the amount of blasting agent can be adjusted independently of the blasting agent speed.
  • the invention comprises a storage container for blasting material, in which at least one suction port and at least one corresponding stop surface are arranged.
  • the intake port and stop surface are movably mounted in relation to each other.
  • the stop connector is preferably movable.
  • a pneumatic cylinder is preferably used as the drive for the movable intake port, with propellant gas being able to be used to actuate the drive, as for example in EP 1 769 886 is shown.
  • the intake port can extend into the storage container and is in fluid communication with the intake line.
  • a gas supply for an adjustable gas flow can be provided in the intake port and/or in the stop surface.
  • the gas supply can be designed as a gas opening with an adjustable opening cross section, through which, for example, ambient air can enter the intake line.
  • the gas supply can also be designed as a supply for a propellant gas.
  • a bypass can be provided for guiding an adjustable proportion of propellant gas, in particular from the first supply for propellant gas, into the intake port and/or into the stop surface.
  • the gas supply in the stop surface can be designed in such a way that gas can also penetrate into the intake port if the intake port is in contact with the stop surface and no blasting material gets into the intake port. In this way, uniform gas production can be made possible.
  • the gas can reach the suction line and the mixing chamber via the intake port and/or the stop surface.
  • the gas supply therefore has a similar effect to gas supply into the intake line.
  • a gas supply for example a gas opening with an adjustable opening cross section or a supply for a propellant gas, can also be provided between the intake port and the intake line.
  • the device preferably comprises an adjusting device for adjusting the adjustable gas flow.
  • a throttle valve, a pressure regulator and/or an opening adjuster can be provided, depending on whether the inflow of ambient air, propellant gas and/or propellant gas branched off in a bypass is to be adjusted.
  • a throttle valve can be provided in the bypass so that an adjustable amount of propellant gas can be conducted via the bypass.
  • the device can comprise a Venturi nozzle for supplying the supplied gas, in particular at a gas supply in the intake line, in the intake port or in the stop surface.
  • the blasting material is then sucked in and accelerated at the location of the gas supply, which ensures that the blasting material is transported past the gas supply and that the gas supply does not become blocked.
  • a conveying gas flow can also be adjusted upstream of the acceleration path independently of the first propellant gas flow if an adjustable deflection element is mounted in the jet device, preferably in the mixing chamber, which deflects at least part of the propellant gas flow.
  • the propellant gas flow can be disturbed as it exits a nozzle into the mixing space in such a way that the pressure difference that ensures the suction of the blasting material is reduced.
  • the deflection element can, for example, be designed in the form of a displaceable pin which can be guided into the mixing space, for example in front of the nozzle through which propellant gas flows into the mixing space.
  • the device comprises a storage container for blasting material, in which at least one suction port and at least one corresponding stop surface are arranged.
  • the intake port and stop surface are movably mounted in relation to each other.
  • the stop connector is preferably movable.
  • the movement between the intake port and the stop surface, in particular the deflection and/or frequency of the intake port, can be adjusted during operation.
  • the setting is carried out in particular electrically, for example by means of a process control, for example a so-called “mini PLC”, a miniaturized programmable logic controller, and/or by means of an electro-pneumatic valve.
  • a process control for example a so-called “mini PLC”, a miniaturized programmable logic controller, and/or by means of an electro-pneumatic valve.
  • the process control can, for example, operate a solenoid valve.
  • a "Mini PLC" and/or the valve are typically powered by a battery, consuming little power, so the battery only needs to be changed infrequently, for example every three years.
  • a conveying gas flow can be adjusted independently of the first propellant gas flow, because the longer the intake port remains away from the stop surface, the more conveying gas can reach the suction line with the blasting material. In addition, more blasting material can get into the intake port the further away the intake port is from the suction surface.
  • the lower and upper dead centers of the movable intake manifold and/or the frequency of the back and forth movement can be adjusted.
  • a further supply for propellant gas is arranged in the acceleration section, which can be supplied with propellant gas.
  • a bypass is provided for guiding a portion of propellant gas from the first supply Propellant gas into the acceleration section.
  • the further supply for propellant gas can therefore be fed from a bypass.
  • the jet performance can be improved because, for example, particularly at a high delivery rate, back pressure in the acceleration section is avoided.
  • the propellant gas can preferably be fed into the acceleration path via at least one annular opening or concentrically arranged openings.
  • the penetrating propellant gas keeps the blasting material away from the wall of the acceleration section so that the blasting material is not slowed down on the wall.
  • the device comprises at least one further supply line for at least one further blasting material.
  • Additional blasting material can be added to a first blasting material, for example dry ice pellets, for example a solid such as calcium carbonate or soda, or shredded organic material such as nut shells or corn cobs. Solids increase the level of performance when cleaning, for example when derusting a metallic surface.
  • the supply line can be in the mixing room, in the suction line and/or in the storage container.
  • the quantity supplied is preferably adjustable, with a valve being arranged in the supply line, for example, with which the inflow of further blasting material is permitted or prevented, or the quantity of the inflow is adjustable.
  • the object on which the invention is based is also achieved by a method for cleaning, in particular Dry ice cleaning, with a blasting device, in particular as described above.
  • the blasting device comprises a first supply for propellant gas, at least one further supply for a blasting material, in particular dry ice pellets, which is connected to a suction line, a mixing space in which the blasting material can be mixed with the propellant gas, and an acceleration section for accelerating the blasting material with the propellant gas .
  • At least one conveying gas flow is adjusted upstream of the acceleration section independently of a first propellant gas flow through a first supply for propellant gas.
  • an adjustable gas flow can be supplied in the suction line and/or in the mixing chamber.
  • An adjustable gas flow can be supplied, for example, by gas flowing into the suction line through openings in the suction line that have an adjustable size and/or by gas flowing into the mixing space through adjustable openings.
  • the gas can be ambient air. The more false air supply is allowed, the lower the suction pressure becomes in the part of the suction line that leads upstream from the openings to the storage container.
  • An adjustable gas flow can be supplied, for example, to the suction line and/or the mixing chamber Propellant gas stream is supplied, which is independent of the first propellant gas stream through the first supply for propellant gas.
  • an adjustable proportion of the propellant gas can be guided via a bypass from the first supply for propellant gas into the intake line and/or into the mixing space.
  • the feed into the mixing chamber is preferably not carried out in such a way that the propellant gas fed in via the bypass itself develops a significant suction effect in the intake line.
  • the feed does not take place via a nozzle-like supply line.
  • the blasting material is conveyed from a storage container in which at least one suction port and at least one corresponding stop surface are arranged.
  • the intake port and stop surface are movably mounted in relation to each other.
  • the stop connector is preferably movable.
  • An adjustable gas flow can be supplied in the intake port and/or in the stop surface.
  • gas can flow through adjustable openings into the intake port and/or into the stop surface.
  • a propellant gas stream can be supplied which is independent of the first propellant gas stream through the first propellant gas supply.
  • an adjustable part of the propellant gas can flow via a bypass from the first supply for propellant gas into the intake port and/or into the stop surface.
  • the further gas flow is preferably adjusted into the mixing chamber, into the suction line, into the suction port and/or into the stop surface, in particular via a throttle valve, a pressure regulator and/or an opening adjuster.
  • the further gas stream in particular a propellant gas stream, further in particular a propellant gas stream guided via a bypass, can be supplied via a Venturi nozzle, in particular to the intake line, the intake port and/or the stop surface.
  • a conveying gas flow can also be set upstream of the acceleration path independently of the first propellant gas flow by deflecting at least part of the propellant gas flow in the jet device, preferably in the mixing chamber, via an adjustable deflection element.
  • the blasting material is conveyed from a storage container in which at least one movably mounted suction port and at least one corresponding stop surface are arranged, the movement between the suction port and the stop surface, in particular the deflection and/or frequency of the intake port is adjusted electrically.
  • a process control in particular a so-called “mini PLC” and/or an electro-pneumatic valve can be used.
  • a further propellant gas stream can be supplied to the mixture of propellant gas and blasting material in the acceleration section, in particular via a bypass, which branches off a portion of propellant gas from the first supply for propellant gas and feeds it into the acceleration section, preferably through at least one annular opening or one arranged concentrically Openings.
  • blasting material for example a solid
  • the feed can take place into the suction line, into the mixing room and/or into the storage container.
  • FIG. 1 shows a schematic representation of a first example of a device 1a according to the invention for dry ice cleaning.
  • the device has a jet device 2a.
  • the blasting device 2a comprises a first supply 3a for propellant gas, a further supply 4a for a blasting material 5, which is connected to a suction line 6a, a mixing space 7a in which the blasting material 5 can be mixed with the propellant gas, not shown, and an acceleration section 8a for Accelerating the blasting material 5 with the propellant gas.
  • a conveying gas flow upstream of the acceleration section 8a can be adjusted independently of the first propellant gas flow.
  • two gas supply lines 9, 10 are provided in the suction line 6a for an adjustable gas flow.
  • a gas opening 9 with an adjustable opening cross section is provided in the intake line 6a. The quantity is adjusted using an opening adjuster that is not explicitly shown.
  • a further supply 10 is provided for propellant gas, which can be supplied with propellant gas independently of the supply 3a for propellant gas.
  • the supply is fed by a bypass 11, via which propellant gas flows from the first propellant gas supply 3a into the intake line 6a.
  • the quantity is adjusted via an adjusting device 12, which is designed as a throttle valve.
  • two gas feeds 13, 14 are provided in the mixing room for an adjustable gas flow.
  • a gas opening 13 with an adjustable opening cross section is provided in the mixing space 7a.
  • the quantity is adjusted using an opening adjuster that is not explicitly shown.
  • a further supply 14 is provided for propellant gas, which can be supplied with propellant gas independently of the supply 3a for propellant gas.
  • the supply is fed by a bypass 15, via which propellant gas flows from the first propellant gas supply 3a into the mixing space 7a.
  • the quantity is adjusted via an adjusting device 16, which is designed as a throttle valve.
  • the first supply 3a for propellant gas is fed via a pressure hose 17.
  • the propellant gas flows through a nozzle 18a into the mixing space 7a.
  • the nozzle 18a can be closed on the inflowing side 19 with a conically tapered stamp 20. This allows the amount of propellant gas flow that flows directly into the mixing chamber 7a as the primary propellant gas stream to be adjusted, or the propellant gas flow can be completely interrupted through the nozzle 18a.
  • the stamp 20 can be operated with a closure element 22.
  • the entire supply of propellant gas through the jet device 2a can be permitted or prevented when a lever 21 is actuated, which acts on a valve not explicitly shown.
  • a device 1a does not have all the means shown in the figure for adjusting a conveying gas flow upstream of the acceleration section 8a independently of the first propellant gas flow. It may be sufficient if there is only one bypass 11, 15 or only one adjustable opening 9, 13, to adjust the amount of blasting material independently of the incoming amount of propellant gas.
  • Figure 2 shows a schematic representation of a second example of a device 1b according to the invention.
  • the device 1b also has a jet device 2b.
  • the blasting device 2b comprises a first supply 3b for propellant gas, a further supply 4b for a blasting material 5, which is connected to a suction line 6b, a mixing space 7b in which the blasting material 5 can be mixed with the propellant gas, not shown, and an acceleration section 8b for Accelerating the blasting material 5 with the propellant gas.
  • an adjustable deflection element 23 is attached, which deflects at least part of the propellant gas flow.
  • the deflection element 23 is designed as a pin that is displaceable in the axial direction. When pushed in, it prevents the propellant gas from flowing freely out of the nozzle 18b.
  • a further supply for propellant gas 24 is arranged, which can be supplied with propellant gas.
  • a further bypass 25 with a throttle valve 26 is provided, via which a portion of propellant gas leads from the first supply for propellant gas 3b into the acceleration section 8b.
  • the feed 24 is designed as an annular opening. The inflowing propellant gas keeps the blasting material 5 away from the wall 27 of the acceleration section.
  • the mixing chamber 7b includes a tapering area 35 in which the flow cross section reaches a narrowest point 36 decreases. This is followed by the acceleration section 8b.
  • Figure 3 shows a schematic representation of a third example of a device 1c according to the invention.
  • the device 1c comprises a jet device 2c, which is connected to a suction line 6c.
  • the device 1c includes a storage container 28 for blasting material, in which a movably mounted suction nozzle 29 and a corresponding stop surface 30 are arranged.
  • Gas supply lines 31, 32 for adjustable gas flows are provided in the intake port 29 and in the stop surface 30.
  • the gas supply lines 31, 32 can each be connected to a bypass, not explicitly shown, which branches off a portion of propellant gas from the jet device 2c.
  • the intake port 29 is driven via a pneumatic cylinder 33, the deflection and frequency of which and thus also the deflection and frequency of the intake port can be adjusted via a battery-operated process control 34.
  • Figure 4 shows a schematic representation of a fourth example of a device 1d according to the invention, which is similar to the third example.
  • a gas supply 37 is provided between the intake port 29 and the intake line 6d, via which false air or propellant gas can be fed in.
  • the gas supply 37 can be designed as a gas opening with an adjustable opening cross section.
  • she can also be designed as a Venturi nozzle, via which propellant gas is fed in from a bypass not explicitly shown in the figure.
  • a device can be provided which has a bypass 16 which opens into the mixing space, for example as in Figure 1 is shown, and at the same time includes a bypass 25, which opens into the acceleration section, as in, for example Figure 2 is shown.
  • the pressure flow quantity can be in one of the bypasses 16; 26 or in both bypasses 16; 26 can be adjusted.
  • propellant gas flows through the device.
  • the propellant gas is made available, for example, under a pressure of 1-16 bar.
  • the devices can convey 5-150 kg/h of blasting material, especially dry ice pellets. The blasting material is accelerated to speeds between 30 and 300 m/s.
  • a completely open opening with an opening diameter of 11 mm in the suction line means that practically no blasting material is conveyed.
  • compressed air below 6 bar is provided, with 5 m 3 /min of compressed air passing through the device.
  • a maximum of 50-60 kg/h of dry ice pellets can be conveyed with the device.
  • the quantity can be bypassed by means of a bypass
  • a third of the compressed air is diverted into the mixing room can be reduced to up to 15 kg/h.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Cleaning In General (AREA)
EP23219287.2A 2016-06-07 2016-06-07 Dispositif et procédé de nettoyage avec un dispositif de projection Pending EP4316734A3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23219287.2A EP4316734A3 (fr) 2016-06-07 2016-06-07 Dispositif et procédé de nettoyage avec un dispositif de projection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23219287.2A EP4316734A3 (fr) 2016-06-07 2016-06-07 Dispositif et procédé de nettoyage avec un dispositif de projection
EP16173382.9A EP3254807B1 (fr) 2016-06-07 2016-06-07 Dispositif et procede de nettoyage avec un dispositif de projection de particules

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP16173382.9A Division EP3254807B1 (fr) 2016-06-07 2016-06-07 Dispositif et procede de nettoyage avec un dispositif de projection de particules

Publications (2)

Publication Number Publication Date
EP4316734A2 true EP4316734A2 (fr) 2024-02-07
EP4316734A3 EP4316734A3 (fr) 2024-04-24

Family

ID=56132774

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16173382.9A Active EP3254807B1 (fr) 2016-06-07 2016-06-07 Dispositif et procede de nettoyage avec un dispositif de projection de particules
EP23219287.2A Pending EP4316734A3 (fr) 2016-06-07 2016-06-07 Dispositif et procédé de nettoyage avec un dispositif de projection

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16173382.9A Active EP3254807B1 (fr) 2016-06-07 2016-06-07 Dispositif et procede de nettoyage avec un dispositif de projection de particules

Country Status (1)

Country Link
EP (2) EP3254807B1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5203794A (en) 1991-06-14 1993-04-20 Alpheus Cleaning Technologies Corp. Ice blasting apparatus
US5319946A (en) 1991-07-05 1994-06-14 Commissariat A L'energie Atomique Apparatus for storing and transporting ice balls, without any sticking thereof, from their place of production to their place of use, where they are projected onto a target
EP0786311A1 (fr) 1995-10-30 1997-07-30 Birgit Papcke Procédé et appareil de traitement de surfaces, en particulier pour le nettoyage des surfaces avec de la glace carbonique sèche en granules
DE19624652A1 (de) 1995-10-30 1997-10-16 Birgit Papcke Verfahren zur Oberflächenbehandlung, insbesondere Reinigung von Oberflächen mit CO¶2¶-Trockeneisgranulat und eine Vorrichtung zur Durchführung dieses Verfahrens
US5876267A (en) 1996-08-19 1999-03-02 Fuji Manufacturing Co., Ltd. Blasting method and apparatus
EP1769886A1 (fr) 2005-09-28 2007-04-04 Paxmax AG Dispositif de sablage à glace carbonique
EP1954444A1 (fr) 2005-11-28 2008-08-13 Alfred Kärcher GmbH & Co. KG Dispositif de distribution de neige carbonique
CN102327884A (zh) 2010-07-13 2012-01-25 华东理工大学 一种干冰清洗装置及其清洗方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH490934A (de) * 1967-06-08 1970-05-31 Alfred Gutmann Ges Fuer Maschb Zuteilvorrichtung für das Strahlmittel von mit Pressluft betriebenen Strahlvorrichtungen
US5125979A (en) * 1990-07-02 1992-06-30 Xerox Corporation Carbon dioxide snow agglomeration and acceleration
DE4127886C2 (de) * 1991-08-22 1994-11-03 Pro Aqua Geraete Gmbh Strahlkopf
JP2772464B2 (ja) * 1993-10-22 1998-07-02 昭和炭酸株式会社 粉粒体の供給装置
US5947800A (en) * 1997-03-10 1999-09-07 Empire Abrasive Equipment Company Pneumatic suction surface blasting apparatus with an improved media delivery regulating system
DE19725002A1 (de) 1997-06-13 1998-07-30 Philippron Jean Claude Sicherheitsvorrichtung
DE10254159A1 (de) * 2002-11-20 2004-06-03 Linde Ag Trockeneisstrahlen mit Mantelstrom
US20080176487A1 (en) * 2007-01-19 2008-07-24 Armstrong Jay T Portable cleaning and blasting system for multiple media types, including dry ice and grit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5203794A (en) 1991-06-14 1993-04-20 Alpheus Cleaning Technologies Corp. Ice blasting apparatus
US5319946A (en) 1991-07-05 1994-06-14 Commissariat A L'energie Atomique Apparatus for storing and transporting ice balls, without any sticking thereof, from their place of production to their place of use, where they are projected onto a target
EP0786311A1 (fr) 1995-10-30 1997-07-30 Birgit Papcke Procédé et appareil de traitement de surfaces, en particulier pour le nettoyage des surfaces avec de la glace carbonique sèche en granules
DE19624652A1 (de) 1995-10-30 1997-10-16 Birgit Papcke Verfahren zur Oberflächenbehandlung, insbesondere Reinigung von Oberflächen mit CO¶2¶-Trockeneisgranulat und eine Vorrichtung zur Durchführung dieses Verfahrens
US5876267A (en) 1996-08-19 1999-03-02 Fuji Manufacturing Co., Ltd. Blasting method and apparatus
EP1769886A1 (fr) 2005-09-28 2007-04-04 Paxmax AG Dispositif de sablage à glace carbonique
EP1954444A1 (fr) 2005-11-28 2008-08-13 Alfred Kärcher GmbH & Co. KG Dispositif de distribution de neige carbonique
CN102327884A (zh) 2010-07-13 2012-01-25 华东理工大学 一种干冰清洗装置及其清洗方法

Also Published As

Publication number Publication date
EP3254807C0 (fr) 2023-12-27
EP4316734A3 (fr) 2024-04-24
EP3254807B1 (fr) 2023-12-27
EP3254807A1 (fr) 2017-12-13

Similar Documents

Publication Publication Date Title
DE202019102301U1 (de) Partikelstrahlvorrichtung
EP3261894B1 (fr) Dispositif de refoulement pneumatique et installation de dosage ainsi qu'installation de sablage comprenant une pompe à jet de produit coulant
WO2003026991A1 (fr) Dispositif et procede de transport pneumatique
DE3639139A1 (de) Verfahren zur erhoehung der ausgegebenen pulvermenge an einer pulverbeschichtungsanlage sowie pulverbeschichtungsanlage
EP1418108B1 (fr) Dispositif de sablage pneumatique, et procédé correspondant
EP0136523B1 (fr) Procédé et dispositif pour l'expulsion pneumatique des matériaux de construction hydrauliques d'exploitation minière souterraine, transportés hydromécaniquement
DE102013205895A1 (de) Pulverdichtstrompumpe zum Fördern von Beschichtungspulver sowie entsprechendes Verfahren
EP3254807B1 (fr) Dispositif et procede de nettoyage avec un dispositif de projection de particules
EP0643947B1 (fr) Dispositif dentaire de sablage
DE102007046738A1 (de) Pulversprühbeschichtungsverfahren und -vorrichtung
EP3400371B1 (fr) Tunnelier et système d'évacuation par voie hydraulique de déblais de forage et système pour établir une pression stable d'un liquide de forage dans la zone d'une roue de coupe dudit tunnelier
DE102007048520A1 (de) Sprühbeschichtungspulver-Fördervorrichtung und Pulversprühbeschichtungsvorrichtung
DE19707165A1 (de) Vorrichtung und Verfahren zum Vermischen eines ersten Fluids mit einem zweiten Fluid
DE102011079982B4 (de) Sprühkopf für reaktive Kunststoffe
EP2814637B1 (fr) Installation de coupe par suspension aqueuse abrasive
WO2004060612A1 (fr) Dispositif de grenaillage
EP2785494B1 (fr) Procede de sablage humide de produits a sabler
DE19720528A1 (de) Vorrichtung und Verfahren zum Vermischen eines ersten Fluids mit einem zweiten Fluid
WO2013045040A1 (fr) Pompe à jet de gaz conçue pour refouler un flux gazeux principal
DE4234869C2 (de) Sandstrahler
DE19738572A1 (de) Dosierventil, insbesondere für ein Druckstrahlgerät, Druckstrahlgerät sowie Verfahren zum Betrieb eines Druckstrahlgeräts
DE102006018066A1 (de) Treibdüse und Fangdüse für einen Injektor zum Fördern von Beschichtungspulver
DE102023200069A1 (de) Modulares Partikelaustragungssystem
EP2246121A1 (fr) Transporteur pour un mélange poudre/gaz
DE2628612A1 (de) Strahlduese fuer strahlapparate

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AC Divisional application: reference to earlier application

Ref document number: 3254807

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: B24C0007000000

Ipc: B24C0001000000

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: B24C 7/00 20060101ALI20240318BHEP

Ipc: B24C 5/04 20060101ALI20240318BHEP

Ipc: B24C 5/02 20060101ALI20240318BHEP

Ipc: B24C 1/00 20060101AFI20240318BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20241017

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR