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WO2022253716A1 - Système de réacteur thermochimique - Google Patents

Système de réacteur thermochimique Download PDF

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Publication number
WO2022253716A1
WO2022253716A1 PCT/EP2022/064513 EP2022064513W WO2022253716A1 WO 2022253716 A1 WO2022253716 A1 WO 2022253716A1 EP 2022064513 W EP2022064513 W EP 2022064513W WO 2022253716 A1 WO2022253716 A1 WO 2022253716A1
Authority
WO
WIPO (PCT)
Prior art keywords
reactor
space
chamber
reactor system
heating 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/EP2022/064513
Other languages
German (de)
English (en)
Inventor
Stefan Brendelberger
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.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsches Zentrum fuer Luft und Raumfahrt eV
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 Deutsches Zentrum fuer Luft und Raumfahrt eV filed Critical Deutsches Zentrum fuer Luft und Raumfahrt eV
Priority to EP22732055.3A priority Critical patent/EP4347100A1/fr
Publication of WO2022253716A1 publication Critical patent/WO2022253716A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/061—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of metal oxides with water
    • C01B3/063—Cyclic methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • B01J19/0013—Controlling the temperature of the process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/0073—Sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B01J19/127—Sunlight; Visible light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J7/00—Apparatus for generating gases
    • B01J7/02—Apparatus for generating gases by wet methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00139—Controlling the temperature using electromagnetic heating
    • B01J2219/00144—Sunlight; Visible light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/185—Details relating to the spatial orientation of the reactor vertical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants

Definitions

  • the present invention relates to a thermochemical reactor system.
  • a redox material can be used to generate hydrogen or synthesis gas, with the redox material being used in redox cycle processes for splitting water and CO 2 .
  • the redox material is heated for chemical reduction.
  • Initial approaches envisage heating using solar energy, with the redox material absorbing concentrated solar radiation.
  • Initial concepts envisage that a particulate solid medium is used for the solar generation of hydrogen by means of such thermochemical cycle processes.
  • the solid medium is thermally reduced with the help of solar energy at high temperatures via a chemical reaction and thus activated for the subsequent reaction. Steam is added to this at a later point in time.
  • the medium is oxidized by the oxygen in the water, producing hydrogen.
  • the oxidized medium has to be reduced again at high temperatures.
  • the particles fall freely through the focus of the concentrated solar radiation or are moved by it. Then, the particles are moved into a reactor to carry out the oxidation.
  • DE 10 2018 201 319 A1 discloses a system in which blocks of redox material are transported through the receiver by means of a conveyor device.
  • the transport of the blocks through the receiver is problematic due to the high temperatures.
  • the reactor system according to the invention is defined by the features of claim 1.
  • the reactor system has a defined space and a heating chamber connected to the defined space.
  • the heating chamber there is at least one reaction device which has at least one block of solid medium and can be heated to activate the block of solid medium.
  • the reactor system also has a reactor chamber which is formed in the space or is connected to the space, the reactor chamber being able to be separated from the space, preferably in a gas-tight manner, via a separating device, and a line device for supplying and/or removing fluid to the reactor chamber connected is.
  • the at least one reaction device can be transported from the reactor chamber through the space into the heating chamber and from the heating chamber through the space into the reactor chamber via at least one transport device.
  • the defined space is preferably closed or sealed off from the environment.
  • the at least one reaction device in the heating chamber can be heated, for example, by means of an arc plasma or a heat transfer medium, for example a gas, introduced into the heating chamber, with the heat transfer medium outside the reactor system in a conventional manner, for example via a combustion - Or solar process, can be heated.
  • a heat transfer medium for example a gas
  • the reaction device can be designed as a solar absorber device, so that the concentrated solar radiation is radiated onto the solid medium block and absorbed by it in order to heat the solid medium block.
  • the reactor system according to the invention advantageously allows the reaction device to be transported from the reactor chamber through the space into the heating chamber and back into the reactor chamber.
  • the separating device makes it possible for a different atmosphere to be created in the reactor chamber, for example for carrying out a reaction, by separating the reactor chamber from the space by means of the separating device and preferably sealing it gas-tight.
  • the atmosphere in the heating chamber and in the space can be the same.
  • the heating chamber can be separated from the space and is preferably sealed gas-tight, so that an atmosphere different from the defined space can be created in the heating chamber.
  • the solid medium block can be activated by heating in the heating chamber, so that it is prepared for the subsequent reaction in the reactor chamber.
  • the heating chamber can be arranged, for example, as a solar radiation receiver on a solar tower, with the concentrated solar radiation being directed onto the solar radiation receiver by means of one or more heliostats, or as a receiver on a solar dish system.
  • the solid medium block can have a cube shape, a cuboid shape, a cylinder shape, a cone shape or a more complex shape.
  • the reaction device can also have a plurality of solid medium blocks which have one of the forms mentioned.
  • the reaction device may also have a plurality of solid medium blocks in rod form.
  • the solid medium block can, for example, consist of a redox material, such as CeO2, doped CeO2, Cu2O/CUO, Mh3q4/Mh2q3, COO/ C03O4 or perovskites.
  • a redox material such as CeO2, doped CeO2, Cu2O/CUO, Mh3q4/Mh2q3, COO/ C03O4 or perovskites.
  • activation takes place in the heating chamber as a reduction.
  • the material of the solid medium block is preferably porous. As a result, parts of concentrated solar radiation that are radiated onto the reaction device in the heating chamber can penetrate into the interior of the solid medium block, so that improved absorption of the radiation or solar radiation and thus heating of the solid medium block can be achieved. When heated with a heat transfer medium, the porosity creates a larger surface, which improves heat transfer.
  • the increased surface area of the solid medium block When used as a reaction medium, the increased surface area of the solid medium block also offers an increased reaction surface area, as a result of which the reactions can take place in an improved manner.
  • the reaction device according to the invention preferably has a solid medium block made from a redox material, so that the reaction device can be used in a redox cycle process.
  • the redox material can be heated in the heating chamber in an appropriate atmosphere, for example also with a lowered overall pressure, by means of the concentrated solar radiation, as a result of which the redox material is reduced.
  • the reaction device is transported into the reactor chamber, which can be separated from the room by means of the separating device.
  • water vapor for example, is fed to the reduced redox material via the line device, the water vapor being split, with the result that hydrogen is formed.
  • the reaction device according to the invention can also have a solid medium block made of another material (eg a catalyst material) which is used for reactions other than redox reactions.
  • the solid medium block can also consist of a material on whose surface molecules bind (adsorption), for example an alkali metal oxide or an alkaline earth metal oxide, for example CaO.
  • a pane that is transparent to solar radiation is understood to mean a pane that has a hemispherical, solar (AMI, 5) transmittance of at least 85% for solar radiation.
  • AMI hemispherical, solar
  • the heating chamber can be closed so that a desired atmosphere can be created in the heating chamber.
  • gas extraction can be provided on the heating chamber, so that a negative pressure can be generated in the heating chamber.
  • a purge gas can also be used to remove oxygen.
  • the released oxygen can advantageously be at least partially sucked off from the heating chamber. A low oxygen partial pressure therefore prevails in the heating chamber, so that the reduction reaction is promoted and renewed oxidation of the solid medium is prevented.
  • Such an arrangement enables the reaction devices to be transported from the heating chamber into the reactor chamber and back in a particularly simple manner, since the transport only has to take place in one direction, namely the vertical direction. Since the Reaction devices have very high temperatures after irradiation with the concentrated solar radiation, handling the reaction devices is structurally relatively complex due to the thermal stresses on the environment. Due to the arrangement of the heating chamber and reactor chamber according to the invention, transport in only one direction is necessary, so that the transport device can be designed in a correspondingly simple manner. As a result, the design effort is kept comparatively low even in the case of high thermal loads.
  • the reactor chamber is connected to the space via a reactor chamber opening, with the separating device being designed as a flap which seals off the reactor chamber.
  • the transport device is completely accommodated in the reactor chamber in a basic position and moves the reaction device through the reactor chamber opening and the space into the heating chamber to transport the reaction device into the heating chamber.
  • the transport device can extend through the reactor chamber opening and the space. Due to the fact that the transport device is completely received in the reactor chamber in a basic position in this embodiment, complex constructions for sealing a passage for the transport device out of the reactor chamber are avoided.
  • the transport device can be designed, for example, as a telescopic device.
  • At least one holder for the at least one reaction device is arranged in the reactor chamber.
  • the transport device can thus set down the reaction device on the holder, so that the reaction device is arranged in a defined position in the reactor chamber.
  • the transport device can remove the reaction device from the holder.
  • a holder is provided for the at least one reaction device, the separating device for separating the reactor chamber from the space being slipped over the holder with the at least one reaction device.
  • the separating device can be designed as a movable housing part with a depression, in which case the housing part can be moved over the holder to separate the reactor chamber and can be placed in a sealing manner with an edge surrounding the depression on a wall part of the room, with the Bracket is attached to the wall part.
  • the movable housing part makes the holder, which is attached to the wall part, and a reaction device mounted on the holder freely accessible by moving the housing part away, so that the transport device can be attached in a particularly advantageous manner can attack a reaction device mounted on the mount.
  • the transport device can thus, for example, be arranged completely outside of the reactor chamber and penetrate into the region of the reactor chamber only when the reaction device is attacked and transported.
  • the transport device can advantageously act on the reaction device.
  • the movable housing part with a depression, with the edge surrounding the depression sealingly abutting the wall part of the space, allows the reactor chamber to be sealed in a structurally simple manner, since only a corresponding sealing option is provided on the edge or the wall part must become.
  • the housing part When the reactor chamber is closed, the housing part surrounds the holder and a reaction device held on the holder, so that the holder and the reaction device are arranged in the recess. Provision is preferably made for the housing part to be guided on a rail device. As a result, the housing part can advantageously be moved to separate the reactor chamber and to open the reactor chamber.
  • a linear drive of the movable housing part can be designed in a structurally simple manner via a slide.
  • the driving force of the drive device can also be distributed over a large area on the housing part before geous way, so that a uniform contact pressure of the edge surrounding the depression on the wall part and thus a uniform sealing force can be achieved. It can be provided, for example, that several springs are arranged between the pressure plate and the housing plate.
  • a locking device can be provided on the housing part or act on it in order to fix the position of the housing part. It can also be provided that the locking device pushes or pulls the housing part in the direction towards the wall part and thus generates the contact pressure for the sealing force.
  • a sealing section to be formed on or in the wall part, against which the housing part can be placed in a sealing manner with the edge surrounding the recess.
  • the sealing section can, for example, be a specially machined section of the wall part, as a result of which an advantageous sealing effect can be achieved.
  • the sealing section has two parallel sealing surfaces with a leakage channel in between, the edge surrounding the recess being able to be placed against both sealing surfaces.
  • the two parallel sealing surfaces with a leakage channel in between can also be arranged in a recess in the wall part, for example, so that the edge of the housing part surrounding the recess dips into the recess and can be placed against the two sealing surfaces.
  • Additional sealing material can be arranged on the edge and/or the sealing surfaces.
  • the sealing surfaces can, for example, also be actively cooled, for example by means of cooling channels embedded in the wall part.
  • the leakage channel can be connected, for example, to a line via which the leakage channel can be evacuated or filled with a flushing gas. This suppresses gas exchange between the reactor chamber and the space in the event of minor leaks at the sealing surfaces.
  • the ducting device may be provided on the wall part. It is also possible, for example, for the line device to be guided through the wall part and the holder and to open into the reactor chamber at the holder.
  • the heating chamber can have at least one heating chamber opening through which the at least one reaction device can be inserted by means of the transport device, so that the at least one solid medium block is arranged in the heating chamber.
  • the heating chamber opening can be sealed, for example, by separate cover devices, so that the heating chamber can be separated from the room.
  • the at least one heating chamber opening can be directed downwards and the transport device can insert the at least one reaction device into and remove the at least one reaction device from below in the vertical direction from the heating chamber.
  • the reaction device has a coupling element to which the solid medium block is attached, the transport device having a gripping device adapted to the coupling element.
  • An advantageous thermal decoupling between the transport device and the solid medium block is possible by means of the coupling element.
  • the reaction device can advantageously be transported via the coupling element.
  • the coupling element can also be adapted to the heating chamber opening, for example, so that the coupling element bears sealingly against the heating chamber opening when the reaction device is pushed into the heating chamber.
  • the coupling element can advantageously be adapted to the holder.
  • the holder has a smaller extension than the coupling element in the horizontal direction parallel to the wall part of the room on which the holder is attached. In other words: In the horizontal direction, the coupling element protrudes beyond the bracket.
  • the coupling element engages the gripping device at least on that part of the coupling element which protrudes beyond the holder.
  • two reaction devices are provided, with the holder having two parallel mounting locations for the reaction devices, with the transport device having two parallel guided lifting devices which each engage one of the reaction devices to transport the reaction devices.
  • the reaction devices can thus be transported individually via the transport device.
  • a reaction device is always arranged in the heating chamber, so that the heating chamber can be operated continuously or quasi-continuously. While one reaction device is placed in the heating chamber, the other can be transported through the space to the reactor chamber, after isolating the reactor chamber, the desired reaction can be caused in the reactor chamber. Subsequently, after opening the reactor chamber, the reaction device is transported to the heating chamber and the other reaction device is removed from the heating chamber.
  • the reactor chamber is operated in batch mode. Provision is preferably made for at least one of the gripping devices to have two grippers guided in parallel, which are spaced apart in the horizontal direction parallel to the wall part of the room and are greater than the extension of the holder in this direction.
  • the gripping device engages the reaction device from below, there is the problem that the gripping device has to be guided past the holder.
  • Two grippers guided in parallel which are spaced apart by a distance greater than the extension of the holder in this direction, ensure that the grippers can be guided past the holder.
  • the gripping device which is responsible for transporting a reaction device that is currently located in the reactor chamber, is arranged below the reactor chamber during the period in which the reaction device is in the reactor chamber is.
  • the gripping device can advantageously attack the reaction device from below after the reactor chamber has been opened, in order to transport it in the direction of the heating chamber.
  • FIG. 1 shows a schematic overall view of a device according to the invention
  • FIG. 2a is a schematic, enlarged view of the reactor chamber of the reactor system of FIG. 1,
  • FIG. 2c a detailed view of the pressure plate with which the drive device acts on the movable housing part of the reactor chamber
  • Fig. 3 is a schematic representation of the gripping device of the transport device, which acts on a reaction device of the inventions to the invention reactor system and
  • FIG. 4a and 4b partial representations of the gripping device of the Transportvorrich device.
  • a reactor system 1 according to the invention is shown schematically.
  • the reactor system 1 has a heating chamber 3 operated with solar radiation and a reactor chamber 4 .
  • the heating chamber 3 is connected to a space 5 defined.
  • the space 5 is defined by a wall 6 surrounding the space 5, the space 5 being closed to the environment.
  • the heating chamber 3 has a radiation opening 7 which is closed by a transparent pane 9 in the exemplary embodiment shown in FIG.
  • Concentrated solar radiation can be introduced into the heating chamber 3 through the radiation opening 7 .
  • the solar radiation can, for example, be concentrated on the radiation opening 7 by heliostats (not shown).
  • the reactor chamber 4 is formed in the space 5 and can be separated from the space 5 by means of a separating device 11 .
  • the separating device 11 has a movable housing part 13 that is displaced to form the reactor chamber 4 and is pressed against a wall part 6a of the wall 6 .
  • the housing part 13 has a recess 13a, in which the reactor chamber 4 is then formed.
  • the reactor system 1 has two reaction devices 15 .
  • the reaction devices 15 each have a solid medium block 16 and a coupling element 16a.
  • a transport device 17 is also provided in the space 5 .
  • the transport device 17 has a first lifting device 17a and a second lifting device 17b, each of which has a gripping device 18.
  • the gripping devices 18 are fitted to the coupling elements 16a of the reaction devices 15 and engage the coupling elements 16a from below.
  • the reaction devices 15 can advantageously be transported in a vertical direction by means of the gripping device 18 .
  • the heating chamber 3 has a downwardly directed heating chamber opening 19, through which the reaction device 15 can be pushed at least partially into the heating chamber 3 from below.
  • the transport device 17 serves for this purpose.
  • the heating chamber openings 19 can have a cover, not shown, by means of which the heating chamber openings 19 can be closed, so that in the heating chamber 3 a different atmosphere from the space 5 can be generated.
  • lines that are not shown can be connected to the heating chamber 3, for example, in order to lower the total pressure in the heating chamber 3 or the oxygen partial pressure in the heating chamber 3, for example.
  • An inert gas can also be introduced into the heating chamber 3 .
  • the reactor system 1 is particularly suitable for a redox process.
  • the solid medium blocks 16 can be, for example, a redox material, with the reduction of the solid material taking place in the heating chamber 3 as the solid medium block 16 by being heated by solar radiation.
  • the corresponding reaction device 15 is transported to the reactor chamber 4 by means of the transport device 17 .
  • the reactor chamber 4 is shown in Fig. 2a in detail.
  • a holder 21 is arranged in the reactor chamber 4 .
  • the bracket 21 is fixed to the wall portion 6a.
  • the bracket 21 has two parallel mounting positions 21a, 21b, each with a reaction device 15 can be held in a holding place 21a, 21b.
  • the mounting positions 21a, 21b each have pins 22, the coupling elements 16a having pin receptacles 23 adapted to the pins 22, which ensure that the reaction devices 15 are held securely on the mount.
  • a line device 25 is provided on the wall part 6a, which leads into the reactor chamber 4, lines not illustrated.
  • the desired atmosphere can be created in the reactor chamber 4 and a reaction fluid can be introduced via the line.
  • the movable housing part 13 is horizontally shifted ben until it sealingly abuts the wall part 6a.
  • the movable housing part 13 is guided on a rail device 27 .
  • the movable housing part 13 is moved by means of a drive device 29 .
  • the drive device 29 has a slide 31 which acts on the housing part 13 by means of a pressure plate 33 .
  • the drive force of the drive device 29 can be applied to the housing part 13 in an advantageous manner via the pressure plate, so that a sealing force that is as even as possible can be generated at the edge 13b surrounding the recess 13a and which rests sealingly against the wall part 6a.
  • a sealing section 35 is formed on the wall part 6a, to which the housing part 13 with the edge 13b surrounding the recess 13a can be placed in a sealing manner.
  • the sealing section 35 has two parallel sealing surfaces 35a and a leakage channel 35b arranged between them.
  • the sealing surfaces 35a and the leakage channel 35b are formed in a recess 35c.
  • a line can be connected to the leakage channel 35b, via which the leakage channel 35b can be evacuated or a flushing gas can be introduced into the leakage channel 35b.
  • a locking device 36 is arranged on the wall part 6a and acts on a projection 36a of the housing part 13 . The housing part is pressed in the direction of the wall part via inclined surfaces and the desired sealing force is thus generated on the sealing surfaces 35a.
  • a spring element 37 is arranged between the pressure plate 33 and the housing part 13, via which the driving force can be applied uniformly to the housing part 13 in an advantageous manner.
  • FIG. 3 the holder 21 with the reaction device 15 arranged thereon is shown schematically in a different view.
  • the view of FIG. 3 shows a view in the direction of the wall part 6a.
  • a reaction device 15 is placed on the holder 21, so that the pins 22 of the holder 21 engage in the pins 23 of the coupling element 16a.
  • the horizontal extension d of the holder 21 in a direction parallel to the wall part 6a is less than the extension of the coupling element 16a in this direction, so that the coupling element 16a projects laterally beyond the holder 21 .
  • the transport device 17 can engage with the gripping device 18 on this protruding part.
  • the first lifting device 17a of the transport device 17 is shown as the lifting device 17a located closer to the wall part 16a.
  • the first lifting device 17a has two lifting rails 17c on which the gripping device 18 is guided vertically.
  • the gripping device 18 is driven by two lifting drives 17d.
  • the gripping device 18 consists of two grippers 18a, which are guided in parallel on the lifting rail devices 17c.
  • the grippers 18a of the gripping device 18 are shown in FIG. 4a in plan view.
  • the distance D in the horizontal direction from the grippers 18a is greater than the horizontal extent d of the holder 21, so that the grippers 18a can easily engage the coupling element 16a of the reaction device 15 from below without colliding with the holder 21.
  • a second embodiment of a gripping device 18 is Darge provides.
  • the gripping device 18 can be, for example, the gripping device 18 of the second lifting device 17b.
  • the gripping device 18 according to the exemplary embodiment of FIG. 4b consists of only one gripper 18a. This can be made possible because part of the gripper 18a can be guided past the front of the holder 21 when the corresponding reaction device 15 is lifted.
  • the reactor system 1 according to the invention can advantageously enable the separation of the atmospheres in the different areas of the heating chamber 3, reactor chamber 4 and space 5.
  • a relatively simple transport device 17 can be realized, which transports the reaction devices 15 vertically.
  • the reactor system 1 it is also possible to operate the reactor chamber 4 continuously.
  • the heating chamber 3 is then operated in a batch mode.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
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  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

Système de réacteur (1) comprenant : un compartiment (5) défini ; une chambre de chauffage (3) qui est reliée au compartiment (5) défini et dans laquelle au moins un dispositif de réaction (15), qui présente au moins un bloc de milieu solide (16), peut être chauffé pour activer le bloc de milieu solide (16) ; une chambre de réaction (4) qui est ménagée dans le compartiment (5) ou est reliée au compartiment (5), la chambre de réaction pouvant être isolée du compartiment par l'intermédiaire d'un dispositif d'isolement (11) et un dispositif de conduite (25) étant relié à la chambre de réaction pour l'amenée et/ou l'évacuation de fluide ; ainsi qu'au moins un dispositif de transport (17) par l'intermédiaire duquel au moins un dispositif de réaction (15) peut être transporté à travers le compartiment de la chambre de réaction (4) à la chambre de chauffage (3) et de la chambre de chauffage (3) à la chambre de réaction (4).
PCT/EP2022/064513 2021-06-01 2022-05-30 Système de réacteur thermochimique Ceased WO2022253716A1 (fr)

Priority Applications (1)

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EP22732055.3A EP4347100A1 (fr) 2021-06-01 2022-05-30 Système de réacteur thermochimique

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US10035121B1 (en) * 2013-05-15 2018-07-31 National Technology & Engineering Solutions Of Sandia, Llc Thermal swing reactor including a multi-flight auger
US10107268B1 (en) * 2014-09-05 2018-10-23 National Technology & Engineering Solutions Of Sandia, Llc Thermal energy storage and power generation systems and methods
DE102018201319A1 (de) 2018-01-29 2019-08-01 Deutsches Zentrum für Luft- und Raumfahrt e.V. Solarstrahlungsempfänger, Reaktorsystem mit einem Solarstrahlungsempfänger, Verfahren zum Erwärmen von Feststoffmedium mittels konzentrierter Solarstrahlung sowie Verfahren zum solaren Betrieb einer thermochemischen Reaktion

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