CN110589764A - Self-heating methanol reforming hydrogen production equipment - Google Patents
Self-heating methanol reforming hydrogen production equipment Download PDFInfo
- Publication number
- CN110589764A CN110589764A CN201910899131.0A CN201910899131A CN110589764A CN 110589764 A CN110589764 A CN 110589764A CN 201910899131 A CN201910899131 A CN 201910899131A CN 110589764 A CN110589764 A CN 110589764A
- Authority
- CN
- China
- Prior art keywords
- cavity
- heating
- self
- reforming
- methanol
- 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
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 216
- 238000010438 heat treatment Methods 0.000 title claims abstract description 124
- 239000001257 hydrogen Substances 0.000 title claims abstract description 79
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 79
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 238000002407 reforming Methods 0.000 title claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 239000003054 catalyst Substances 0.000 claims abstract description 45
- 238000006057 reforming reaction Methods 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000002994 raw material Substances 0.000 claims abstract description 25
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000746 purification Methods 0.000 claims abstract description 18
- 230000004913 activation Effects 0.000 claims abstract description 14
- 238000005485 electric heating Methods 0.000 claims abstract description 13
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 11
- 238000001704 evaporation Methods 0.000 claims description 38
- 230000008020 evaporation Effects 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000011068 loading method Methods 0.000 claims description 2
- 238000006555 catalytic reaction Methods 0.000 abstract description 4
- 238000007084 catalytic combustion reaction Methods 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 238000002156 mixing Methods 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/323—Catalytic reaction of gaseous or liquid organic compounds other than hydrocarbons with gasifying agents
- C01B3/326—Catalytic reaction of gaseous or liquid organic compounds other than hydrocarbons with gasifying agents characterised by the catalyst
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/085—Methods of heating the process for making hydrogen or synthesis gas by electric heating
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
- C01B2203/1047—Group VIII metal catalysts
- C01B2203/1064—Platinum group metal catalysts
- C01B2203/107—Platinum catalysts
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
- C01B2203/1076—Copper or zinc-based catalysts
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
- C01B2203/1082—Composition of support materials
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
- C01B2203/1217—Alcohols
- C01B2203/1223—Methanol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
The invention discloses self-heating methanol reforming hydrogen production equipment which comprises a raw material supply module, a catalyst activation module, a reactor module and a hydrogen purification module, wherein the raw material supply module is used for supplying a catalyst to a reactor; the reactor module comprises a self-heating reaction cavity, a reforming reaction cavity and an electric heating plate; the raw material supply module comprises an air supply assembly, a methanol supply assembly and a mixed liquid supply assembly; the catalyst activation module is connected with the reforming reaction cavity; the hydrogen purification module is connected with the reforming reaction cavity and is used for collecting and purifying the product hydrogen. The invention supplies heat to the methanol reforming hydrogen production process in a methanol catalytic combustion mode, couples methanol catalysis and reforming reaction together in an alternate stacking mode, and efficiently purifies hydrogen through the palladium membrane, thereby realizing uniform self-heat supply in the methanol reforming hydrogen production process, and having the advantages of small pressure drop in the reaction process, good reaction performance, compact structure, convenient expansion, convenient assembly and disassembly and good practicability.
Description
Technical Field
The invention belongs to the field of pure hydrogen preparation, and particularly relates to self-heating methanol reforming hydrogen production equipment.
Background
The hydrogen energy is considered as a future ideal energy source for replacing the traditional energy source due to high energy utilization rate and environmental protection. The reforming hydrogen production by taking methanol as the raw material has the advantages of low reaction temperature, low energy consumption, easy storage and transportation, convenient and safe feeding and the like, and has wide application prospect. At present, most of methanol reforming hydrogen production equipment adopts a tubular reactor filled with catalyst particles to produce hydrogen, and adopts modes such as electric heating and the like to supply heat to the tubular reactor, so that the tubular reactor is large and heavy, the tubular reactor is the main reason for the large and heavy volume of the methanol reforming hydrogen production equipment, and the tubular reactor also has the problem that the device can not be changed according to different hydrogen production requirements. The methanol reforming hydrogen production equipment also uses a granular catalyst as a catalyst carrier, so that the gas flow pressure resistance in the methanol reforming hydrogen production process is large, and the granular catalyst is not easy to fill; the heat is supplied to the tubular reactor only by using modes such as electric heating and the like, and the uniform heat supply to the reaction gas in the reactor is difficult to ensure.
Therefore, it is urgently needed to design a new methanol reforming hydrogen production device to overcome the above defects of the existing methanol reforming hydrogen production device.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides self-heating methanol reforming hydrogen production equipment, and solves the problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows: the self-heating methanol reforming hydrogen production equipment comprises a raw material supply module, a catalyst activation module, a reactor module and a hydrogen purification module, wherein the raw material supply module and the catalyst activation module are connected with the reactor module, and the reactor module is connected with the hydrogen purification module;
the reactor module comprises a self-heating reaction cavity, a reforming reaction cavity and an electric heating plate, wherein the self-heating reaction cavity and the reforming reaction cavity are sequentially connected, the self-heating reaction cavity supplies heat to the reforming reaction cavity through methanol combustion, and the electric heating plate wraps the self-heating reaction cavity and the reforming reaction cavity;
the raw material supply module comprises an air supply assembly, a methanol supply assembly and a mixed liquid supply assembly; the air supply assembly and the methanol supply assembly are connected with the self-heating reaction cavity and are used for supplying air and methanol into the self-heating reaction cavity for combustion to generate heat; the mixed liquid supply assembly is connected with the reforming reaction cavity and is used for supplying the mixed liquid of methanol and water to the reforming reaction cavity for reforming hydrogen production reaction;
the catalyst activation module is connected with the reforming reaction cavity;
the hydrogen purification module is connected with the reforming reaction cavity and is used for collecting and purifying the product hydrogen.
In a preferred embodiment of the present invention, the self-heating reaction chamber and the reforming reaction chamber are formed by stacking chamber plates, each chamber plate includes a frame and a chamber, the frame is provided with a flow passage hole, and the chamber is provided with an inner chamber hole penetrating through the inner chamber and the outer chamber.
In a preferred embodiment of the present invention, a catalyst carrier plate is embedded in the chamber, and holes for supporting a catalyst are disposed on the catalyst carrier plate.
In a preferred embodiment of the present invention, the chamber has an inclined wall at the edge of the position of the inner cavity hole.
In a preferred embodiment of the present invention, a sealing sheet is disposed between the cavity plates, and the sealing sheet is provided with a through hole matching with the position of the flow passage hole and the position of the cavity hole.
In a preferred embodiment of the present invention, the self-heating reaction chamber and the reforming reaction chamber are provided with an auto-heating evaporation chamber plate and a reforming evaporation chamber plate in front thereof for evaporating the liquid raw material.
In a preferred embodiment of the present invention, the self-heating reaction chamber includes a mixing self-heating chamber plate and a self-heating chamber plate, the air and the methanol supplied by the raw material supply module respectively pass through the self-heating evaporation chamber plate and are mixed and reacted in a chamber of the mixing self-heating chamber plate, and the chamber of the self-heating chamber plate is filled with the gas after the mixing self-heating chamber plate reacts.
In a preferred embodiment of the present invention, the reforming reaction chamber includes a reforming chamber plate, the raw material supply module supplies a mixed solution of methanol and water to pass through the reforming evaporation chamber plate, a hydrogen production reaction by reforming methanol occurs in the reforming reaction chamber plate, and the reforming chamber plate and the self-heating chamber plate are alternately stacked.
In a preferred embodiment of the present invention, the inlet end of the self-heating reaction chamber and the outlet end of the reforming reaction chamber are provided with end chamber plates, and the end chamber plates are connected with the raw material supply module or the hydrogen purification module through gas pipes and clamping sleeves.
In a preferred embodiment of the present invention, the methanol supply assembly and the mixed liquid supply assembly comprise a liquid storage container and a supply pipeline, wherein a one-way valve is arranged at an outlet of the liquid storage container, and a gear pump, a pressure gauge, a flow meter and/or a needle valve are arranged on the supply pipeline.
In a preferred embodiment of the present invention, the hydrogen purification module includes a palladium tube purifier and a heating furnace, the palladium tube purifier is provided with a pure hydrogen outlet and a tail gas outlet, the pure hydrogen outlet and the tail gas outlet are externally connected with a heat dissipation plate, a needle valve and a one-way valve, and the pure hydrogen outlet is further connected with a gas chromatograph.
Compared with the background technology, the technical scheme has the following advantages:
1. the reactor module is assembled with the self-heating cavity and the reforming cavity in an alternate stacking mode, so that the uniform heating in the hydrogen production process by methanol reforming can be realized, and the increase and decrease of the number of cavity plates and the structural change of the self-heating type micro reactor for methanol reforming hydrogen production can be carried out according to the hydrogen production requirement;
2. the palladium-zinc catalyst and the platinum catalyst are respectively loaded on the foamy copper with high specific surface area, and the foamy copper loaded on the catalyst is installed in the reforming cavity plate and the self-heating cavity plate, so that good catalytic reaction performance, low pressure drop in the reaction process and convenient catalyst filling process can be realized;
3. the raw material supply assembly of the liquid is provided with the one-way valve, so that the solution can be extracted, and the solution can be prevented from volatilizing; meanwhile, the reactor module is provided with an electric heating plate, so that preheating before reaction operation and heat preservation after reaction operation can be realized;
4. the pure hydrogen outlet and the tail gas outlet in the hydrogen purification module are respectively provided with the one-way valve, so that the air can be prevented from flowing back, and the performance of the palladium tube can be ensured; a pure hydrogen outlet in the module is connected with the needle valve and then connected with the gas chromatograph, so that the monitoring of the purity of the hydrogen can be realized;
5. the invention can realize uniform self-heating in the hydrogen production process by reforming methanol, and has the advantages of small pressure drop in the reaction process, good reaction performance, compact structure, convenient expansion and convenient assembly and disassembly. The self-heating methanol reforming efficient hydrogen production equipment has good service performance.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an exploded view of a reactor module;
FIG. 4 is a schematic view of the arrangement of the cavity plates;
FIG. 5 is an isometric view of an inlet self-heating evaporation chamber plate;
FIG. 6 is an isometric view of an autothermal evaporation chamber plate;
FIG. 7 is an isometric view of a hybrid self-heating cavity plate;
FIG. 8 is an isometric view of a reforming evaporation cavity plate;
FIG. 9 is an isometric view of a self-heating cavity plate;
FIG. 10 is an isometric view of a reforming chamber plate;
FIG. 11 is a front view of the outlet chamber plate;
FIG. 12 is a front view of a graphite sealing piece;
fig. 13 is an isometric view of a catalyst support.
Wherein, 1, the section bar; 2. a reactor module; 2-1. trachea; 2-2, cutting the ferrule; 2-3, an inlet self-heating evaporation cavity plate; 2-4, self-heating evaporation cavity plate; 2-5. mixing the self-heating cavity plate; 2-6, reforming the evaporation cavity plate; 2-7, self-heating cavity plate; 2-8, reforming cavity plate; 2-9. an outlet cavity plate; 2-10. electric heating plate; 2-11. sealing sheet; 2-12. a catalyst support; 3. a catalyst activation module; 6-1, a flow meter; 6-2, a pressure gauge; 6-3, gear pump A; 6-4, gear pump B; 6-5. an air compressor; 6-6, a methanol liquid storage container; 6-7, a liquid storage container for mixed liquid of methanol and water; 7-3. heating furnace.
Detailed Description
Referring to fig. 1, the self-heating methanol reforming hydrogen production apparatus of the present embodiment is disposed in a rectangular frame profile 1, and includes a raw material supply module, a catalyst activation module 3, a reactor module 2, and a hydrogen purification module, where the raw material supply module, the catalyst activation module 3, and the reactor module 2 are connected to the reactor module 2, and the hydrogen purification module is connected to the reactor module 2;
the reactor module 2 comprises a self-heating reaction cavity, a reforming reaction cavity and electric heating plates 2-10, the self-heating reaction cavity and the reforming reaction cavity are sequentially connected, the self-heating reaction cavity supplies heat to the reforming reaction cavity through methanol combustion, and the electric heating plates 2-10 wrap the peripheries of the self-heating reaction cavity and the reforming reaction cavity;
the self-heating reaction cavity and the reforming reaction cavity are formed by laminating cavity plates, each cavity plate comprises a frame and a cavity, the frame is provided with a flow passage hole, and the cavity is provided with an inner cavity hole penetrating through the inside and the outside. As shown in fig. 4 to 10, the cavity plate in this embodiment is rectangular, the cavity is an irregular semi-open groove, the inner wall of the cavity is composed of straight lines and inclined walls, the straight lines are symmetrically distributed to form a rectangle for embedding the catalyst carrier 2 to 12 plates, the inner cavity holes are arranged on the top corners formed by the adjacent inclined walls, and the inclined walls play a role in guiding flow.
The chamber is internally embedded with a catalyst carrier 2-12 plate, and the catalyst carrier 2-12 plate is provided with holes for loading a catalyst. Referring to fig. 13, the present embodiment uses a metal framework with high specific surface area copper foam as a carrier of the palladium-zinc catalyst and the platinum catalyst, the carrier is rectangular, and a plurality of holes are distributed in an array on the carrier. The foamy copper arranged on the mixed self-heating cavity plate 2-5 is loaded with a platinum catalyst through an impregnation method, and the foamy copper arranged on the reforming cavity plate 2-8 is loaded with a palladium-zinc catalyst through an impregnation method, so that the catalytic reaction catalyst is quickly filled, the pressure resistance of reaction gas in the reaction process is reduced, and the performance of catalytic reaction is improved.
As shown in fig. 12, sealing sheets 2 to 11 are arranged between the cavity plates, and the sealing sheets 2 to 11 are provided with through holes matched with the positions of the flow passage holes and the cavity holes. In the embodiment, the graphite sealing sheets 2-11 are adopted, the shapes of the graphite sealing sheets are matched with the cavity plates, the sealing sheets 2-11 are clamped when the cavity plates are stacked, the cavity is tightly pressed by the graphite sealing sheets 2-11 at the opened side to form a surrounding space, gas or liquid inside and outside the cavity is exchanged through the inner cavity hole and the through hole, fluid entering the cavity is not needed, and the fluid directly reaches the next position through the flow channel hole and the through hole.
End cavity plates are arranged at the inlet end of the self-heating reaction cavity and the outlet end of the reforming reaction cavity, the end cavity plates in the embodiment are an inlet self-heating evaporation cavity plate 2-3 and an outlet cavity plate 2-9, the inlet self-heating evaporation cavity plate 2-3 is connected with the raw material supply module through an air pipe 2-1 and a clamping sleeve 2-2, and the outlet cavity plate 2-9 is connected with the hydrogen purification module.
In this embodiment, the self-heating reaction chamber includes a mixed self-heating chamber plate 2-5 and a self-heating chamber plate 2-7 alternately stacked with the reforming chamber plate 2-8, the air and methanol supplied by the raw material supply module respectively pass through the inlet self-heating evaporation chamber plate 2-3 and the self-heating evaporation chamber plate 2-4 and are mixed and reacted in the chamber of the mixed self-heating chamber plate 2-5, and the chamber of the self-heating chamber plate 2-7 is filled with the gas after the reaction of the mixed self-heating chamber plate 2-5. The reforming reaction cavity comprises reforming cavity plates 2-8, the reforming cavity plates 2-8 and the self-heating cavity plates 2-7 are alternately stacked, and the reforming cavity plates 2-8 are used for the hydrogen production reaction of methanol reforming.
Referring to fig. 3, after the chamber plates, the catalyst carriers 2 to 12 and the sealing sheets 2 to 11 of the present embodiment are closely stacked, the electric heating plates 2 to 10 are wrapped around the periphery of the chamber plates, and before the reaction operation, the liquid methanol and the mixed liquid raw material are preheated and vaporized in the inlet self-heating evaporation chamber plate 2 to 3, the self-heating evaporation chamber plate 2 to 4 or the reforming evaporation chamber plate 2 to 6, so as to initiate the subsequent self-heating or reforming reaction; meanwhile, the heat preservation cotton is arranged in the electric heating plates 2-10, so that the heat preservation after the reaction operation is realized.
The raw material supply module comprises an air supply assembly, a methanol supply assembly and a mixed liquid supply assembly; the air supply assembly and the methanol supply assembly are connected with the self-heating reaction cavity and are used for supplying air and methanol into the self-heating reaction cavity for combustion to generate heat; the mixed liquid supply assembly is connected with the reforming reaction cavity and is used for supplying the mixed liquid of methanol and water to the reforming reaction cavity for reforming hydrogen production reaction;
in the embodiment, the air supply assembly comprises an air compressor 6-5, and the air compressor 6-5 is connected to the self-heating reaction cavity; the methanol supply assembly comprises a methanol storage container 6-6 and a first supply pipeline, a gear pump A6-3 is arranged on the supply pipeline, and the first supply pipeline is connected to the self-heating reaction cavity; the mixed liquid supply assembly comprises a methanol and water mixed liquid storage container 6-7 and a second supply pipeline, wherein a gear pump B6-4, a pressure gauge 6-2, a flow meter 6-1 and a needle valve A are arranged on the second supply pipeline. The liquid storage solution of the liquid is provided with a one-way valve, so that on one hand, the liquid raw material is extracted, and on the other hand, the solution is prevented from volatilizing.
The catalyst activation module 3 is connected with the reforming reaction cavity, the catalyst activation module 3 is used for introducing hydrogen, nitrogen and the like for activating the palladium-zinc catalyst, and a needle valve B is arranged on a connecting pipeline of the catalyst activation module 3;
the hydrogen purification module is connected with the reforming reaction cavity and is used for collecting and purifying the product hydrogen. The hydrogen purification module of the embodiment comprises a palladium tube purifier and a heating furnace 7-3, wherein the palladium tube purifier is provided with a pure hydrogen outlet and a tail gas outlet. As shown in fig. 1, the pure hydrogen outlet is connected to a heat dissipation plate and a needle valve, and finally passes through a one-way valve to a pure hydrogen collecting device; the tail gas outlet is externally connected with a heat dissipation plate, a needle valve and a one-way valve for discharging; the needle valve is used for adjusting the flow rate and the working pressure of the palladium pipe, and the one-way valve is used for preventing air from flowing back to the palladium pipe and influencing the service performance of the palladium pipe. Meanwhile, the gas at the two outlets enters a gas chromatograph to be detected through the control of a one-way valve after heat dissipation, so that the monitoring of the purity of the hydrogen is realized.
As shown in fig. 3 to 10, the flow channel holes disposed on the frame and not passing through the cavity in this embodiment are: the inlet is from A, C holes of the thermal evaporation cavity plate 2-3; a, C holes of the self-heating evaporation cavity plates 2-4; mixing holes A of the self-heating cavity plates 2-5; b, C holes of the reforming evaporation cavity plates 2-6; a, C holes from the heat supply chamber plates 2-7; and B, C holes in the reformer chamber plates 2-8; the inner cavity hole is a hole B of the inlet self-heating evaporation cavity plate 2-3; holes B of the self-heating evaporation cavity plates 2-4; b, C holes mixed from the heat supply chamber plates 2-5; reforming the A hole of the evaporation cavity plate 2-6; holes B from the heat supply cavity plates 2-7; and A, D holes in the reformer chamber plates 2-8;
the flow of fluids during the reaction was as follows:
1. self-heating reaction: methanol flows in from the hole B of the inlet self-heating evaporation cavity plate 2-3, is diffused and evaporated in the cavity of the inlet self-heating evaporation cavity plate 2-3 by utilizing the heating plate, passes through the hole B of the self-heating evaporation cavity plate 2-4, is diffused and evaporated again in the cavity of the self-heating evaporation cavity plate 2-4, and enters the cavity of the mixed self-heating cavity plate 2-5 through the hole B of the mixed self-heating cavity plate 2-5; air for catalytic combustion enters a cavity of the mixing self-heating cavity plate 2-5 from the C hole of the self-heating evaporation cavity plate 2-3 through the inlet and the C hole of the self-heating evaporation cavity plate 2-4 through the C hole of the mixing self-heating cavity plate 2-5, and reacts with methanol for catalytic combustion under the catalytic action of a platinum catalyst on the copper foam; the mixed gas of the methanol and the air after combustion enters the hole B of the self-heating cavity plate 2-7 through the hole B of the reforming evaporation cavity plate 2-6, is diffused in the cavity of the self-heating cavity plate 2-7, enters the hole B of the self-heating cavity plate 2-7 through the hole C of the reforming cavity plate 2-8, is diffused in the cavity of the self-heating cavity plate 2-7, passes through the hole B of the later reforming cavity plate 2-8, enters the hole B of the other self-heating cavity plate 2-7, is diffused in the cavity of the self-heating cavity plate 2-7, and flows out from the hole A of the outlet cavity plate 2-9;
2. reforming reaction: introducing catalyst activating gas to flow through the following path, then introducing methanol from the hole A of the inlet self-heating evaporation cavity plate 2-3, passing through the hole A of the self-heating evaporation cavity plate 2-4, then passing through the hole A mixed with the heat supply cavity plate 2-5, entering the hole A of the reforming evaporation cavity plate 2-6, diffusing in the cavity of the reforming evaporation cavity plate 2-6, and entering the hole D of the reforming cavity plate 2-8 through the hole C of the self-heating cavity plate 2-7; the mixed gas of the methanol and the water entering the reforming cavity plates 2-8 diffuses in the reforming cavity plates 2-8 on one hand, and generates a methanol reforming reaction under the catalytic action of a palladium-zinc catalyst on the foam copper, and on the other hand, the mixed gas passes through the C holes of the self-heating cavity plates 2-7 and enters the D holes of the subsequent reforming cavity plates 2-8; the mixed gas of the methanol and the water entering the reforming cavity plates 2-8 diffuses in the reforming cavity plates 2-8 on one hand, and generates a methanol reforming reaction under the catalytic action of a palladium-zinc catalyst on the foam copper, and flows out from the holes B of the outlet cavity plates 2-9 through the holes C of the other self-heating cavity plates 2-7 on the other hand.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.
Claims (11)
1. A self-heating methanol reforming hydrogen production device is characterized in that: the device comprises a raw material supply module, a catalyst activation module, a reactor module and a hydrogen purification module, wherein the raw material supply module and the catalyst activation module are connected with the reactor module, and the reactor module is connected with the hydrogen purification module;
the reactor module comprises a self-heating reaction cavity, a reforming reaction cavity and an electric heating plate, wherein the self-heating reaction cavity and the reforming reaction cavity are sequentially connected, the self-heating reaction cavity supplies heat to the reforming reaction cavity through methanol combustion, and the electric heating plate wraps the self-heating reaction cavity and the reforming reaction cavity;
the raw material supply module comprises an air supply assembly, a methanol supply assembly and a mixed liquid supply assembly; the air supply assembly and the methanol supply assembly are connected with the self-heating reaction cavity and are used for supplying air and methanol into the self-heating reaction cavity for combustion to generate heat; the mixed liquid supply assembly is connected with the reforming reaction cavity and is used for supplying the mixed liquid of methanol and water to the reforming reaction cavity for reforming hydrogen production reaction;
the catalyst activation module is connected with the reforming reaction cavity;
the hydrogen purification module is connected with the reforming reaction cavity and is used for collecting and purifying the product hydrogen.
2. An auto-heating methanol reforming hydrogen production apparatus as claimed in claim 1, characterized in that: the self-heating reaction cavity and the reforming reaction cavity are formed by laminating cavity plates, each cavity plate comprises a frame and a cavity, the frame is provided with a flow passage hole, and the cavity is provided with an inner cavity hole penetrating through the inside and the outside.
3. An auto-heating methanol reforming hydrogen production apparatus as claimed in claim 2, characterized in that: the chamber is embedded with a catalyst carrier plate, and holes for loading catalyst are arranged on the catalyst carrier plate.
4. An auto-heating methanol reforming hydrogen production apparatus as claimed in claim 2, characterized in that: the edge of the cavity at the position of the inner cavity hole is provided with an inclined wall.
5. An auto-heating methanol reforming hydrogen production apparatus as claimed in claim 2, characterized in that: and sealing sheets are arranged between the cavity plates, and the sealing sheets are provided with through holes matched with the positions of the flow passage holes and the cavity holes.
6. An auto-heating methanol reforming hydrogen production apparatus as claimed in claim 2, characterized in that: the self-heating evaporation cavity plate and the reforming evaporation cavity plate are arranged in front of the self-heating reaction cavity and the reforming reaction cavity and are used for evaporating liquid raw materials.
7. An auto-heating methanol reforming hydrogen production apparatus as claimed in claim 6, characterized in that: the self-heating reaction cavity comprises a mixed self-heating cavity plate and a self-heating cavity plate, air and methanol supplied by the raw material supply module respectively penetrate through the self-heating evaporation cavity plate and are subjected to mixed reaction in a cavity mixed with the self-heating cavity plate, and gas obtained after the mixed self-heating cavity plate is subjected to reaction is filled in the cavity of the self-heating cavity plate.
8. An auto-heating methanol reforming hydrogen production apparatus as claimed in claim 7, characterized in that: the reforming reaction cavity comprises reforming cavity plates, the reforming cavity plates and the self-heating cavity plates are alternately stacked, and the reforming reaction cavity plates are used for the hydrogen production reaction of methanol reforming.
9. An auto-heating methanol reforming hydrogen production apparatus as claimed in claim 2, characterized in that: and end cavity plates are arranged at the inlet end of the self-heating reaction cavity and the outlet end of the reforming reaction cavity and are connected with the raw material supply module or the hydrogen purification module through air pipes and clamping sleeves.
10. An auto-heating methanol reforming hydrogen production apparatus as claimed in claim 1, characterized in that: the methanol supply assembly and the mixed liquid supply assembly comprise a liquid storage container and a supply pipeline, a one-way valve is arranged at an outlet of the liquid storage container, and a gear pump, a pressure gauge, a flow meter and a needle valve are arranged on the supply pipeline.
11. An auto-heating methanol reforming hydrogen production apparatus as claimed in claim 1, characterized in that: the hydrogen purification module comprises a palladium tube purifier and a heating furnace, the palladium tube purifier is provided with a pure hydrogen outlet and a tail gas outlet, the pure hydrogen outlet and the tail gas outlet are externally connected with a heat dissipation plate, a needle valve and a one-way valve, and the pure hydrogen outlet is further connected with a gas chromatograph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910899131.0A CN110589764A (en) | 2019-09-23 | 2019-09-23 | Self-heating methanol reforming hydrogen production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910899131.0A CN110589764A (en) | 2019-09-23 | 2019-09-23 | Self-heating methanol reforming hydrogen production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110589764A true CN110589764A (en) | 2019-12-20 |
Family
ID=68862659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910899131.0A Pending CN110589764A (en) | 2019-09-23 | 2019-09-23 | Self-heating methanol reforming hydrogen production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110589764A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060032882A (en) * | 2004-10-13 | 2006-04-18 | 한국에너지기술연구원 | The structure of integrated microchannel reactor for hydrogen production |
| CN101973522A (en) * | 2010-09-29 | 2011-02-16 | 华南理工大学 | Autothermal reforming device for producing hydrogen from natural gas |
| CN107324281A (en) * | 2017-07-12 | 2017-11-07 | 浙江理工大学 | It is quick to start self-heating type preparing hydrogen by reforming methanol microreactor |
| CN211283718U (en) * | 2019-09-23 | 2020-08-18 | 厦门大学 | Self-heating methanol reforming hydrogen production equipment |
-
2019
- 2019-09-23 CN CN201910899131.0A patent/CN110589764A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060032882A (en) * | 2004-10-13 | 2006-04-18 | 한국에너지기술연구원 | The structure of integrated microchannel reactor for hydrogen production |
| CN101973522A (en) * | 2010-09-29 | 2011-02-16 | 华南理工大学 | Autothermal reforming device for producing hydrogen from natural gas |
| CN107324281A (en) * | 2017-07-12 | 2017-11-07 | 浙江理工大学 | It is quick to start self-heating type preparing hydrogen by reforming methanol microreactor |
| CN211283718U (en) * | 2019-09-23 | 2020-08-18 | 厦门大学 | Self-heating methanol reforming hydrogen production equipment |
Non-Patent Citations (1)
| Title |
|---|
| 周伟: "接力催化在合成气直接制芳烃及C2+含氧化合物中的应用研究", 《中国博士学位论文全文数据库 工程科技I辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5304354A (en) | Catalytic chemical reaction assembly | |
| CA3137624C (en) | Catalytically heated fuel processor with replaceable structured supports bearing catalyst for fuel cell | |
| CN107324281B (en) | Quick-start self-heating type methanol reforming hydrogen production micro-reactor | |
| US20070000172A1 (en) | Compact reforming reactor | |
| WO2015069749A4 (en) | Liquid fuel cpox reformers and methods of cpox reforming | |
| WO2015069754A4 (en) | Liquid fuel cpox reformer and fuel cell systems, and methods of producing electricity | |
| CN100464835C (en) | Modular micro-reactor architecture and method for fluid processing devices | |
| KR20230026392A (en) | Hydrogen Production Using a Membrane Reactor | |
| US20090064579A1 (en) | Heat exchange reformer unit and reformer system | |
| JP2009250093A (en) | Engine system | |
| US7354465B2 (en) | Device for cooling and humidifying reformate | |
| CN211283718U (en) | Self-heating methanol reforming hydrogen production equipment | |
| CN111196596A (en) | Micro-channel methanol hydrogen production reactor with uniformly distributed flow velocity and concentration | |
| CN112387218B (en) | Self-heating type tubular reforming hydrogen production reactor | |
| JP4874245B2 (en) | A stepwise system for producing purified hydrogen from a reaction gas mixture of hydrocarbon compounds. | |
| CN110589764A (en) | Self-heating methanol reforming hydrogen production equipment | |
| CN109078590B (en) | Micro-channel reactor | |
| CN1784575B (en) | Heat exchanger and method of performing chemical processes | |
| KR100816361B1 (en) | Gas distributing plate, gas distributing device containing the same and gas distributing method for fuel processor | |
| CN106892403A (en) | A kind of high-temperature fuel cell reforming hydrogen-preparation reactor | |
| CN101852333B (en) | Heating systems for hydrogen storage materials | |
| CN106582468A (en) | Axial micro-channel coupling reactor and applications thereof | |
| CN112499585B (en) | Self-heating methanol reforming hydrogen production micro-reactor with sealing and assembling and disassembling properties | |
| CN219836473U (en) | Reactor for producing a catalyst | |
| CN216155479U (en) | Integrated hydrogen production catalytic heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |