CN113757700B - Hydrogen catalytic combustion hydrogen eliminating device - Google Patents

Hydrogen catalytic combustion hydrogen eliminating device Download PDF

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Publication number
CN113757700B
CN113757700B CN202111020896.6A CN202111020896A CN113757700B CN 113757700 B CN113757700 B CN 113757700B CN 202111020896 A CN202111020896 A CN 202111020896A CN 113757700 B CN113757700 B CN 113757700B
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hydrogen
flow channel
plate
catalytic
air
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CN113757700A (en
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张�浩
黄润伍
谭波
王泽渊
李海港
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Wuhan Institute of Marine Electric Propulsion China Shipbuilding Industry Corp No 712 Institute CSIC
Wuhan Hydrogen Energy and Fuel Cell Industry Technology Research Institute Co Ltd
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Wuhan Institute of Marine Electric Propulsion China Shipbuilding Industry Corp No 712 Institute CSIC
Wuhan Hydrogen Energy and Fuel Cell Industry Technology Research Institute Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/08—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases using flares, e.g. in stacks
    • 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
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/14—Gaseous waste or fumes
    • F23G2209/141—Explosive gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Gas Burners (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

The invention relates to a hydrogen catalytic combustion dehydrogenation device, which comprises a shell with a reaction cavity formed inside and a catalytic plate arranged in the reaction cavity, wherein the shell is provided with a hydrogen inlet, an air inlet and a waste gas outlet which are communicated with the reaction cavity, and a cooling flow channel communicated with the outside of the reaction cavity is formed in the catalytic plate for introducing cooling liquid to cool the reaction cavity. The embodiment of the invention has the following beneficial effects: this hydrogen catalytic combustion hydrogen device that disappears forms the outside cooling flow channel of intercommunication reaction chamber in the catalysis board for let in the coolant liquid and cool off the reaction chamber, take away the unnecessary heat that hydrogen catalytic reaction emitted, make the reaction intracavity temperature maintain in the safe temperature that is suitable for catalytic reaction to go on, eliminated the potential safety hazard.

Description

Hydrogen catalytic combustion hydrogen eliminating device
Technical Field
The invention relates to the technical field of hydrogen catalytic combustion, in particular to a hydrogen eliminating device for hydrogen catalytic combustion.
Background
No matter hydrogen is combusted or passes through the electrochemical reaction of the fuel cell, the product is only water, and pollutants and carbon emission generated by traditional energy utilization are avoided. In addition, the generated water can be continuously used for producing hydrogen and can be recycled, so that low carbon and even zero carbon emission are really realized, the greenhouse effect and the environmental pollution are effectively relieved, and the method is an ideal clean energy source.
However, hydrogen has a low molecular weight and is easily leaked in the system, and in addition, a certain amount of hydrogen is released in the tail gas of the fuel cell system and in the liquid hydrogen storage process. The explosion limit of hydrogen is 4% -75%, and when hydrogen escapes from the environment, especially in a closed environment, the concentration of the hydrogen may rapidly rise in a short time, so that great potential safety hazards are caused.
The hydrogen can realize flameless catalytic combustion with air at low temperature in the presence of noble metal catalysts such as palladium, platinum and the like, and has the advantages of high combustion efficiency, no nitrogen oxide emission and the like. Therefore, it is necessary to design a high-efficiency dehydrogenation device based on the catalytic combustion technology.
Patent 201610916611.X proposes a distributed passive dehydrogenation device, does not have heat exchange structure design, and under large-traffic hydrogen operating mode, the compound reaction heat release of oxyhydrogen may initiate hydrogen detonation risk.
Disclosure of Invention
In view of this, a hydrogen catalytic combustion hydrogen elimination device is needed to be provided to solve the technical problems that the hydrogen elimination device in the prior art lacks a heat exchange design and the heat released by the hydrogen catalytic reaction is accumulated to cause safety risk.
The invention provides a hydrogen catalytic combustion dehydrogenation device, which comprises: the inside casing that is formed with the reaction chamber and places the catalysis board in the reaction chamber in, set up hydrogen import, air intlet and the exhaust outlet of intercommunication reaction chamber on the casing, be formed with the outside cooling runner of intercommunication reaction chamber in the catalysis board for let in the coolant liquid and cool off the reaction chamber.
Furthermore, the shell comprises a hydrogen-air mixing plate, a mixed gas flow channel is formed inside the hydrogen-air mixing plate, the mixed gas flow channel is communicated with the reaction cavity, the hydrogen inlet and the air inlet are respectively communicated with the mixed gas flow channel, and the mixed gas flow channel is used for premixing hydrogen and air.
Furthermore, a hydrogen flow channel, an air flow channel, a hydrogen gas inlet flow channel and an air inlet flow channel are formed in the hydrogen-air mixing plate, the hydrogen gas inlet is communicated with the hydrogen flow channel, the air inlet is communicated with the air flow channel, the hydrogen gas inlet flow channel is communicated with the hydrogen flow channel and the mixed gas flow channel, and the air inlet flow channel is communicated with the air flow channel and the mixed gas flow channel.
Further, the hydrogen catalytic combustion dehydrogenation device further comprises a mixed gas distribution plate arranged in the reaction chamber, the mixed gas distribution plate comprises a foam metal plate and a porous plate wrapping the foam metal plate, a plurality of exhaust holes are formed in the porous plate, and the foam metal plate is communicated with the mixed gas flow channel and the exhaust holes.
Further, a mixed gas distribution plate is arranged between the two catalytic plates.
Furthermore, the catalysis plate comprises a catalysis runner plate and catalysis partition plates clamped on two sides of the catalysis runner plate, a cooling runner is formed in the catalysis runner plate, and wall-mounted catalysts are coated on the surfaces of the catalysis partition plates facing the mixed gas distribution plate.
Furthermore, the shell further comprises a heat exchange plate, wherein a low-temperature runner and a high-temperature runner which are not communicated with each other are formed inside the heat exchange plate, a cooling liquid inlet communicated with the low-temperature runner and a cooling liquid outlet communicated with the high-temperature runner are formed in the heat exchange plate, and two ends of the cooling runner are respectively communicated with the low-temperature runner and the high-temperature runner.
Furthermore, the hydrogen catalytic combustion dehydrogenation device also comprises a fluid connector, and the foam metal plate is detachably communicated with the mixed gas flow channel through the fluid connector; the two ends of the cooling flow channel are respectively communicated with the low-temperature flow channel and the high-temperature flow channel through fluid connectors.
Further, the fluid connector is a blind-mate fluid connector comprising a male connector and a female connector that are detachably connected.
Furthermore, the hydrogen catalytic combustion dehydrogenation device also comprises a temperature measuring device, and the measuring end of the temperature measuring device is arranged in the reaction cavity for measuring the temperature of the reaction cavity.
Compared with the prior art, the hydrogen catalytic combustion dehydrogenation device forms a cooling flow channel communicated with the outside of the reaction cavity in the catalytic plate, so that the reaction cavity is cooled by introducing cooling liquid, and redundant heat emitted by hydrogen catalytic reaction is taken away, so that the temperature in the reaction cavity is maintained at a safe temperature suitable for catalytic reaction, and potential safety hazards are eliminated.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a hydrogen-consuming device for catalytic combustion of hydrogen provided by the present invention;
FIG. 2 is an exploded view of a first embodiment of a hydrogen-consuming apparatus for catalytic combustion of hydrogen provided by the present invention;
FIG. 3 is a schematic structural diagram of the hydrogen-air mixing plate shown in FIG. 2;
FIG. 4 is a schematic view of the structure of the gas mixture distribution plate of FIG. 2;
FIG. 5 is a schematic structural view of the catalyst plate of FIG. 2;
FIG. 6 is a schematic view of the heat exchange plate of FIG. 2;
fig. 7 is an exploded view of a hydrogen-consuming device for catalytic combustion of hydrogen according to a second embodiment of the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Referring to fig. 1, the hydrogen catalytic combustion dehydrogenation device includes a housing 1 and a catalytic plate 2, a reaction chamber for catalytic reaction of hydrogen is formed inside the housing 1, and the housing 1 is provided with a hydrogen inlet 11, an air inlet 12 and a waste gas outlet 13 which are communicated with the reaction chamber, respectively for introducing hydrogen and air to react, and discharging waste gas. The catalytic board 2 is arranged in the reaction cavity, and a cooling flow channel 21 communicated with the outside of the reaction cavity is formed in the catalytic board 2 for introducing cooling liquid to cool the reaction cavity. Preferably, the device can also be provided with a temperature measuring device 7, and the measuring end of the temperature measuring device 7 is arranged in the reaction cavity to measure the temperature of the reaction cavity, so as to guide the introduction of cooling liquid and control the temperature of the reaction cavity within a safety range suitable for hydrogen catalytic reaction.
When the catalytic reaction is carried out, the generation of the catalytic reaction can be promoted by premixing hydrogen with air. The hydrogen-air mixing plate 3 is thus included in the housing 1, and the mixture gas passage 31 is formed in the hydrogen-air mixing plate 3. The mixed gas flow channel 31 is communicated with the reaction cavity, the hydrogen inlet 11 and the air inlet 12 are respectively communicated with the mixed gas flow channel 31, hydrogen and air are introduced into the mixed gas flow channel 31 for premixing, and then introduced into the reaction cavity under the catalysis of the catalytic plate 2.
A hydrogen flow passage 32, an air flow passage 33, a hydrogen gas inlet flow passage 34, and an air inlet flow passage 35 are further formed in the hydrogen-air mixing plate 3 for better mixing of hydrogen gas and air. The hydrogen inlet 11 is communicated with the hydrogen flow channel 32, the air inlet 12 is communicated with the air flow channel 33, the hydrogen gas inlet flow channel 34 is communicated with the hydrogen flow channel 32 and the mixed gas flow channel 31, and the air inlet flow channel 35 is communicated with the air flow channel 33 and the mixed gas flow channel 31. Hydrogen gas and air are introduced into the hydrogen flow passage 32 and the air flow passage 33 through the hydrogen inlet 11 and the air inlet 12, respectively, and then introduced into the mixture flow passage 31 through the hydrogen inlet flow passage 34 and the air inlet flow passage 35 to be mixed. As shown in fig. 3, in the present embodiment, the hydrogen inlet flow channels 34 and the air inlet flow channels 35 are uniformly distributed along the hydrogen flow channels 32 and the air flow channels 33, respectively, and form a structure similar to a herringbone, and are inclined along the direction in which hydrogen or air flows in the hydrogen flow channels 32 or the air flow channels 33, and the included angle between the hydrogen inlet flow channels 34 and the air flow channels 33 is preferably 60 ° to 80 °.
In order to promote the progress of the catalytic reaction of hydrogen, it is desirable to bring the mixed gas of hydrogen and air into sufficient contact with the catalytic plate 2 as much as possible. Therefore, in the present embodiment, it is preferable that the reaction chamber further includes a mixed gas distribution plate 4 disposed inside the reaction chamber, and the mixed gas distribution plate 4 includes a metal foam plate (not shown) and a porous plate 41 wrapping the metal foam plate. The metal foam plate is built in the porous plate 41, not shown, and the porous plate 41 is provided with a plurality of air vent holes 411. The foam metal plate is made of foam metal, and the foam metal refers to a special metal material containing foam air holes, has high air permeability, is almost communicated with the holes and can allow gas to pass through. And the mixed gas flow channel 31 can be effectively prevented from being ignited by the backfire generated when uncontrollable open flame burns in the reaction cavity by utilizing the quenching effect when the flame passes through the tiny gap. The metal foam plate communicates with the mixed gas flow passage 31 and the gas discharge holes 411, and the mixed gas of hydrogen and air can pass through the metal foam plate through the holes in the metal foam plate and be discharged from the respective gas discharge holes 411. Two catalytic plates 2 are respectively arranged on two sides of the mixed gas distribution plate 4, and the mixed gas of hydrogen and air sprayed from the exhaust holes 411 is directly sprayed on the surfaces of the catalytic plates 2 and contacts with a catalyst to promote reaction.
The catalyst plate 2 includes a catalyst flow path plate 21 and catalyst separators 22 interposed on both sides of the catalyst flow path plate 21. The cooling flow channel 211 is formed in the catalytic flow channel plate 21, the cooling flow channel 211 can be continuously bent and uniformly distributed in the catalytic flow channel plate 21 as much as possible, and the problem that the local heat dissipation effect of the catalytic flow channel plate 21 is poor is avoided. The surface of the catalytic partition 22 facing the mixture distributing plate 41 is coated with a wall-supported catalyst, catalyzing the oxidation of hydrogen.
To assist the catalytic plate 2 in cooling the heat exchange, the housing 1 further comprises heat exchange plates 5. A low-temperature flow passage 51 and a high-temperature flow passage 52 which are not communicated with each other are formed inside the heat exchange plate 5, and a cooling liquid inlet 53 communicated with the low-temperature flow passage 51 and a cooling liquid outlet 54 communicated with the high-temperature flow passage 52 are formed on the heat exchange plate 5. Both ends of the cooling flow passage 211 are respectively communicated with the low temperature flow passage 51 and the high temperature flow passage 52. The low-temperature cooling liquid flows into the low-temperature flow passage 51 from the cooling liquid inlet 53 of the cooling chamber 1, then flows into the cooling flow passage 211, and absorbs heat in the cooling flow passage 211 to become high-temperature cooling liquid for maintaining the temperature of the reaction chamber. And then flows into the high temperature flow path 52 and is discharged from the coolant outlet 54.
The hydrogen-air mixing plate 3 and the heat exchange plate 5 are only a part of the housing 1, and the housing 1 as easily conceived further includes other structures which are hermetically connected with the hydrogen-air mixing plate 3 and the heat exchange plate 5, so as to form a reaction chamber, and the other structures are correspondingly arranged according to the requirements of different embodiments.
Due to the different requirements of the different embodiments for the hydrogen catalytic combustion throughput, a flexible arrangement of the catalytic plate 2 and the mixture distributor plate 4 is required. Fluid connectors 6 are preferably provided between the catalyst plate 2 and the heat exchange plate 5, and between the mixture distribution plate 4 and the hydrogen-air mixing plate 3, and fluid communication and disconnection are achieved by detachably connecting the fluid connectors 6. Namely, the foam metal plate is detachably communicated with the mixed gas flow channel 31 through the fluid connector 6; both ends of the cooling flow passage 211 are respectively communicated with the low temperature flow passage 51 and the high temperature flow passage 52 through fluid connectors. So as to freely combine and configure the catalytic plate 2 and the mixed gas distribution plate 4 according to different working condition requirements, and realize the function of variable dehydrogenation power of a single dehydrogenation device.
The fluid connector 6 is preferably a blind-mate fluid connector, which includes a male connector and a female connector that are detachably connected, and the male connector and the female connector have a bidirectional self-sealing function after being separated. The male connector and the female connector are respectively arranged on the catalytic plate 2 and the heat exchange plate 5, the mixed gas distribution plate 4 and the hydrogen-air mixed plate 3, and are correspondingly arranged in a plurality of ways so as to be automatically arranged according to actual needs.
Example 1
In the present embodiment, as shown in fig. 2, the catalytic plates 2 and the mixture distribution plates 4 are alternately arranged in a row, and both ends are the catalytic plates 2. Wherein the 2 size of the catalytic plate is 250 multiplied by 200 multiplied by 14mm, the 4 size of the mixed gas distribution plate is 250 multiplied by 200 multiplied by 14mm, the aperture of the exhaust hole 411 is 2mm, and 16 multiplied by 12 which is 192 holes in total are evenly distributed on the mixed gas distribution plate 4. The foam metal is selected from foam copper, the pore diameter is 40PPI, and the size is 246X 196X 10 mm. The surface of the catalytic plate is evenly coated with wall-carried catalyst and Al 2 O 3 And (5) making a transition layer, and then chemically depositing a Pt active layer. The temperature measuring device 7 is an armored thermocouple.
Hydrogen and air respectively enter the hydrogen-air mixing plate 3 from a hydrogen inlet 11 and an air inlet 12, an air inlet included angle between a herringbone hydrogen inlet flow channel 34 and an air inlet flow channel 35 is 70, the hydrogen accounts for 6% of the volume fraction of the mixed gas by controlling the degree, the hydrogen flow is 30SL/min, the hydrogen and the air fully react on the surface of the catalytic plate, and the hydrogen concentration in the tail gas of the dehydrogenation device is measured to be 0ppm after the device runs stably. Increasing hydrogen concentration to 8%, hydrogen flow rate to 50SL/min, measuring temperatureThe highest temperature in the reaction cavity measured by the device 7 reaches 400 ℃, the inlet of the heat exchange plate is filled with cooling water of 25 ℃, and the flow rate is 0.5m 3 H is used as the reference value. After the operation is stable, the highest temperature in the reaction cavity is measured to be 180 ℃, and the concentration of hydrogen in the tail gas of the dehydrogenation device is measured to be 3ppm, so that the aim of dehydrogenation is fulfilled, and the device is efficient and reliable in operation.
Example 2
In this embodiment, as shown in FIG. 7, the catalyst plates 2 'have 6 and the mixture distributor plates 4' have 3, divided into three groups, each group of two catalyst plates 2 'sandwiching one mixture distributor plate 4'. The size of the catalytic plate 2 ' is 300 multiplied by 16mm, the size of the mixed gas distribution plate 4 ' is 300 multiplied by 16mm, the aperture of the exhaust hole is 4mm, and the total 18 multiplied by 18 is 324 holes which are evenly distributed on the mixed gas distribution plate 4 '. The foam metal is selected from foam nickel, the pore size is 30PPI, and the size is 294 multiplied by 10 mm. The surface of the catalytic plate 2' is uniformly coated with wall-carried catalyst and Al 2 O 3 And (5) making a transition layer, and then chemically depositing a Pt active layer. Pt is selected for the temperature measuring device 100 A thermal resistor.
Hydrogen and air enter the hydrogen-air mixing plate through a hydrogen inlet and an air inlet respectively, the included angle between the inverted V-shaped hydrogen inlet flow passage and the air inlet flow passage is 80 degrees, the hydrogen accounts for 10 percent of the volume fraction of the mixed gas, the hydrogen flow is 60SL/min, the hydrogen and the air fully react on the surface of the catalytic plate, the highest temperature in the device is up to 400 ℃ measured by a temperature measuring device, 25 ℃ cooling water is introduced into the inlet of the heat exchange plate, and the flow is 1m 3 And h, after the operation is stable, measuring that the highest temperature in the device is 200 ℃, and measuring that the concentration of hydrogen in the tail gas of the dehydrogenation device is 5ppm at the moment, so that the aim of dehydrogenation is fulfilled, and the device is efficient and reliable in operation.
The embodiment of the invention has the following beneficial effects: this hydrogen catalytic combustion hydrogen device that disappears forms the outside cooling flow channel of intercommunication reaction chamber in the catalysis board for let in the coolant liquid and cool off the reaction chamber, take away the unnecessary heat that hydrogen catalytic reaction emitted, make the reaction intracavity temperature maintain in the safe temperature that is suitable for catalytic reaction to go on, eliminated the potential safety hazard.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims (9)

1. A hydrogen catalytic combustion dehydrogenation device is characterized by comprising: inside casing that is formed with the reaction chamber and place in the catalysis board of reaction chamber, seted up the intercommunication on the casing the hydrogen import, air intlet and the exhaust outlet of reaction chamber, be formed with the intercommunication in the catalysis board the outside cooling runner of reaction chamber for let in the coolant liquid and cool off the reaction chamber still places in including the mist distribution board of reaction chamber, the mist distribution board includes foam metal plate and parcel the perforated plate of foam metal plate, a plurality of exhaust holes have been seted up on the perforated plate, foam metal plate intercommunication the hydrogen import air intlet and the exhaust hole.
2. A hydrogen-catalyzing combustion dehydrogenation apparatus according to claim 1, wherein the housing includes a hydrogen-air mixing plate having a mixture flow channel formed therein, the mixture flow channel communicating with the reaction chamber, the hydrogen inlet and the air inlet communicating with the mixture flow channel, respectively, the mixture flow channel being supplied with premixed hydrogen and air.
3. The hydrogen catalytic combustion dehydrogenation device according to claim 2, wherein a hydrogen flow channel, an air flow channel, a hydrogen gas flow channel and an air flow channel are further formed in the hydrogen-air mixing plate, the hydrogen gas inlet communicates with the hydrogen flow channel, the air inlet communicates with the air flow channel, the hydrogen gas flow channel communicates with the hydrogen flow channel and the mixing flow channel, and the air flow channel communicates with the air flow channel and the mixing flow channel.
4. A hydrogen catalytic combustion dehydrogenation device according to claim 3, wherein the mixture distribution plate is disposed between the two catalytic plates.
5. The hydrogen catalytic combustion dehydrogenation device according to claim 4, wherein the catalytic plate comprises a catalytic flow channel plate and catalytic partition plates sandwiched between the catalytic flow channel plate and the catalytic partition plates, the cooling flow channel is formed in the catalytic flow channel plate, and the surface of the catalytic partition plate facing the mixed gas distribution plate is coated with a wall-mounted catalyst.
6. The hydrogen catalytic combustion dehydrogenation device according to claim 5, wherein the housing further comprises a heat exchange plate having a low temperature flow channel and a high temperature flow channel formed therein, the heat exchange plate being provided with a coolant inlet communicating with the low temperature flow channel and a coolant outlet communicating with the high temperature flow channel, the two ends of the cooling flow channel being respectively communicated with the low temperature flow channel and the high temperature flow channel.
7. A hydrogen catalytic combustion dehydrogenation device according to claim 6, further comprising a fluid connector through which the metal foam sheet is removably connected to the mixture flow channel; and the two ends of the cooling flow channel are respectively communicated with the low-temperature flow channel and the high-temperature flow channel through the fluid connectors.
8. A hydrogen-catalytic combustion dehydrogenation device according to claim 7, wherein the fluid connector is a blind-mate fluid connector comprising a male connector and a female connector that are removably connected.
9. A hydrogen catalytic combustion dehydrogenation device according to claim 1 further comprising a temperature measuring device having a measuring end disposed within the reaction chamber for measuring the temperature of the reaction chamber.
CN202111020896.6A 2021-09-01 2021-09-01 Hydrogen catalytic combustion hydrogen eliminating device Active CN113757700B (en)

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Publication number Priority date Publication date Assignee Title
JP2001153308A (en) * 1999-11-29 2001-06-08 Mitsubishi Heavy Ind Ltd Catalyst-combustion integrated evaporator
JP2005282989A (en) * 2004-03-30 2005-10-13 Calsonic Kansei Corp Hydrogen combustor
CN104399413B (en) * 2014-11-18 2016-03-16 安徽新月化工设备有限公司 One is controlled moves thermal reactor
CN110864287B (en) * 2019-07-29 2021-02-23 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） Flat-plate micro heat pipe wall surface catalytic combustor
CN110513686B (en) * 2019-08-02 2021-04-02 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） Premixing-free hydrogen catalytic combustion heat supply device

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