CN214693318U - Hydrogen production system - Google Patents
Hydrogen production system Download PDFInfo
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- CN214693318U CN214693318U CN202023329662.3U CN202023329662U CN214693318U CN 214693318 U CN214693318 U CN 214693318U CN 202023329662 U CN202023329662 U CN 202023329662U CN 214693318 U CN214693318 U CN 214693318U
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 206
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 199
- 239000001257 hydrogen Substances 0.000 title claims abstract description 199
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000003860 storage Methods 0.000 claims abstract description 38
- 238000000746 purification Methods 0.000 claims abstract description 37
- 239000003054 catalyst Substances 0.000 claims abstract description 36
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims description 68
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 238000005485 electric heating Methods 0.000 claims description 17
- 238000001179 sorption measurement Methods 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 16
- 239000002808 molecular sieve Substances 0.000 claims description 15
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 14
- 238000005338 heat storage Methods 0.000 claims description 13
- 239000002912 waste gas Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910021536 Zeolite Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 10
- 230000008901 benefit Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 238000009413 insulation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- 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
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0838—Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than 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
- C01B2203/1005—Arrangement or shape of catalyst
Abstract
The utility model discloses a hydrogen production system, hydrogen production system includes: a steam generator having a hollow structure, a receiving space being formed therein, the steam generator including: the liquid storage part is internally provided with an annular liquid storage cavity and is provided with a transfusion inlet communicated with the annular liquid storage cavity; a steam part, the interior of which is provided with a steam accommodating cavity; the steam transmission pipe is communicated with the annular liquid storage cavity and the steam containing cavity, and a combustion catalyst is filled around the steam transmission pipe; the hydrogen generator is sleeved in the accommodating space, and a hydrogen generating space is arranged in the hydrogen generator; a hydrogen gas output pipe which is communicated with the hydrogen gas generating space; the steam generator is communicated with the hydrogen generator through the steam conveying pipe; and the purification device is communicated with the hydrogen generator. The utility model provides a hydrogen generator and hydrogen generator separately set up the mode among the hydrogen manufacturing system and take up an area of the space big and obtain the impure problem of hydrogen.
Description
Technical Field
The utility model relates to a hydrogen manufacturing technical field especially relates to a hydrogen manufacturing system.
Background
Hydrogen is the most clean fuel recognized and is also an important chemical synthesis raw material. It is not a primary energy source, but it is an energy carrier to be produced from the primary energy source by conversion. Hydrogen as a new energy fuel represents a very broad and potential market. The inevitable development of how to prepare and meet from planning and technology is a very important matter. It is a future trend to select advanced technologies, rational methods to produce and use hydrogen to achieve maximum economic and environmental benefits.
In the existing hydrogen production system, a steam generator and a hydrogen generator in the hydrogen production device are separately arranged, so that the occupied space is large, the space waste is caused, and the occupied cost is increased; a purification device is not arranged in the hydrogen production system, so that the obtained hydrogen has more impurities and cannot be used; the contact area of the combustion catalyst filled in the tube in the existing steam generator is small, the combustion catalyst is less, and the combustion catalyst and tail gas can not fully react, so that the reaction rate is slow.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a hydrogen production system effectively solves and separately sets up the big and impure problem of hydrogen that just obtains of mode occupation of land space of hydrogen generator and hydrogen generator among the current hydrogen production system.
The embodiment of the utility model provides a hydrogen manufacturing system, hydrogen manufacturing system includes: the steam generator is of a hollow structure, and an accommodating space is formed in the steam generator; the hydrogen generator is sleeved in the accommodating space, and a hydrogen generating space is arranged in the hydrogen generator; the steam generator is communicated with the hydrogen generator through the steam conveying pipe; and the purification device is communicated with the hydrogen generator and is used for purifying the hydrogen generated by the hydrogen generator. A hydrogen gas output pipe which is communicated with the hydrogen gas generating space; the steam generator includes: the liquid storage part is internally provided with an annular liquid storage cavity and is provided with a transfusion inlet communicated with the annular liquid storage cavity; a steam part, the interior of which is provided with a steam accommodating cavity; and the steam transmission pipe is communicated with the annular liquid storage cavity and the steam containing cavity, and a combustion catalyst is filled around the steam transmission pipe.
The technical effect achieved after the technical scheme is adopted is as follows: the hydrogen generator is arranged in the accommodating space of the steam generator, so that the steam generator and the hydrogen generator are integrally designed, the occupied space is reduced, a purification device is additionally arranged in the hydrogen production system, and the hydrogen obtained after purification by the purification device is pure and has few impurities; the combustion catalyst filled outside the pipe has the advantage of large contact area with the steam transmission pipe, so that the heating area of the steam transmission pipe is large in the process of heating the steam transmission pipe by the reaction of the combustion catalyst and tail gas, and the steam heating efficiency is improved.
In one embodiment of the present invention, an electric heating element is disposed in the steam transmission pipe, and one end of the electric heating element is connected to the end of the steam part.
The technical effect achieved after the technical scheme is adopted is as follows: the vapor material flowing into the vapor transmission pipe from the annular liquid storage cavity generates vapor through the electric heating element in the vapor transmission pipe, and the temperature in the vapor transmission pipe is increased through the heat released by electric heating, so that the vapor in the vapor transmission pipe is prevented from being condensed and liquefied.
In one embodiment of the present invention, the purification apparatus comprises: the gas-liquid separation tank is provided with a hydrogen inlet and a hydrogen outlet, the inlet is connected with the hydrogen output pipe, and the hydrogen generation space is communicated through the hydrogen output pipe; the purification adsorption tower is provided with a hydrogen input port, a purified hydrogen outlet and a tail gas outlet, and the hydrogen input port is connected with the hydrogen outlet through a pipeline; the tail gas collecting tank is connected with the tail gas outlet through a pipe; and the purified hydrogen storage tank is connected with the purified hydrogen outlet through a pipe.
The technical effect achieved after the technical scheme is adopted is as follows: the purification device can obtain high-purity hydrogen through purification modes of gas-liquid separation, hydrogen purification and adsorption, tail gas collection and hydrogen storage.
In one embodiment of the present invention, a hydrogen filter is disposed in the purification adsorption tower, and the interior of the purification adsorption tower of the hydrogen filter is divided into a hydrogen accommodating space to be purified and a purified hydrogen accommodating space.
The technical effect achieved after the technical scheme is adopted is as follows: the hydrogen to be purified is filtered through the hydrogen filter in the purification adsorption tower to obtain the filtered hydrogen, and the spatial structure in the purification adsorption tower is described.
In one embodiment of the present invention, the Al2O3 molecular sieve, the zeolite molecular sieve and the carbon molecular sieve are arranged in the hydrogen filter from top to bottom in sequence.
The technical effect achieved after the technical scheme is adopted is as follows: specifically, the structure for purifying hydrogen in the hydrogen filter is described, and impurities are filtered from hydrogen by layering the Al2O3 molecular sieve, the zeolite molecular sieve and the carbon molecular sieve.
In an embodiment of the present invention, the steam generator further comprises: the sleeve is sleeved outside the steam transmission pipe, and a combustion catalyst is filled between the sleeve and the steam transmission pipe.
The technical effect achieved after the technical scheme is adopted is as follows: a space is formed between the sleeve and the steam transmission pipe, and the space is filled with combustion catalyst.
The utility model discloses an in one embodiment, the stock solution portion with be equipped with tail gas input chamber, tail gas reaction chamber and waste gas output chamber between the vapour portion in proper order, the sleeve is close to the tail gas reaction chamber and has seted up the tail gas import, the sleeve is close to the waste gas output chamber and has seted up exhaust outlet.
The technical effect achieved after the technical scheme is adopted is as follows: the tail gas input cavity, the tail gas reaction cavity and the waste gas transmission cavity realize graded tail gas transmission, the tail gas input cavity realizes tail gas storage, the tail gas reaction cavity realizes tail gas and combustion catalyst reaction heat release, and the waste gas transmission cavity outputs the waste gas generated after the tail gas and the combustion catalyst react through a waste gas outlet.
In an embodiment of the present invention, the vapor transmission pipe is externally sleeved with heat exchange fins.
The technical effect achieved after the technical scheme is adopted is as follows: the heat exchange fins are sleeved outside the steam transmission pipe to improve the heat exchange efficiency between the tail gas combustion heat release in the steam generator and the steam in the steam transmission pipe, and the outer surface area of the steam transmission pipe is increased, so that the purpose of improving the heat exchange efficiency is achieved.
In an embodiment of the present invention, the steam generator further comprises: and the heat storage balls are distributed around the steam transmission pipe and are clamped among the plurality of heat exchange fins.
The technical effect achieved after the technical scheme is adopted is as follows: the heat storage ball has the advantages of large heat storage and release quantity and good heat conducting property.
In one embodiment of the present invention, the hydrogen generator further includes: an electric heating pipe arranged in the hydrogen generating space; and the second porous separation plate is provided with a ventilation port and is arranged in the hydrogen generation space, and the hydrogen production catalyst is uniformly distributed on the second porous separation plate.
The technical effect achieved after the technical scheme is adopted is as follows: the electric heating tube improves the reaction rate of the steam and the hydrogen production catalyst and improves the hydrogen generation efficiency; the hydrogen production catalyst can be uniformly distributed on the second porous separation plate, so that the contact area of the hydrogen production catalyst and steam is increased, and the hydrogen production reaction rate is further increased.
In summary, the above embodiments of the present application may have one or more of the following advantages or benefits: i) the existing steam generator and the hydrogen generator are integrally designed, so that the occupied space is reduced; ii) the hydrogen obtained after purification by the purification device in the hydrogen production system is purer and has less impurities. iii) the contact area between the combustion catalyst filled outside the tube and the steam transmission tube is large, and further, the heating area of the steam transmission tube is large in the process that the combustion catalyst reacts with tail gas to heat the steam transmission tube. iv) tail gas combustion heating has the advantages of low energy consumption and reduced energy waste of the tail gas.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hydrogen production system 500 provided by the present invention.
Fig. 2 is a schematic diagram of the steam generator 100 and the hydrogen generator 200.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a sectional view taken along the line a-a in fig. 3.
Fig. 5 is a schematic view of the structure of the steam generator 100.
Fig. 6 is a schematic view of the internal structure of the steam generator 100 of fig. 1.
Fig. 7 is a schematic structural view of the liquid storage portion 111.
Fig. 8 is a schematic structural view of the hydrogen generator 200.
Fig. 9 is a schematic cross-sectional view of the hydrogen generator 200 of fig. 8.
Fig. 10 is a schematic structural view of the purification apparatus 400 of fig. 1.
Description of the main element symbols: 500 is a hydrogen production system; 400 is a purification device; 410 is a gas-liquid separating tank; 420 is a purification adsorption tower; 430 is a tail gas collecting tank; 440 is a purified hydrogen storage tank; 310 is a steam conveying pipe; 320 is a hydrogen output pipe; 200 is a hydrogen generator; 201 is an electric heating tube; 202 is a vapor input port; 203 is a hydrogen generation space; 204 is a second porous barrier plate; 100 is a steam generator; 101 is a tail gas inlet; 102 is a tail gas input cavity; 103 is an exhaust gas outlet; 104 is a containing space; 105 is a vapor outlet; 106 is an infusion inlet; 110 is an annular liquid storage cavity; 111 is a liquid storage part; 112 is an electric heating element; 120 is a vapor transmission pipe; 121 is a heat exchange fin; 130 is a steam accommodating cavity; 131 is a steam part; 140 is a first porous barrier plate; 150 is a sleeve; 160 is a heat preservation shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, a schematic diagram of a hydrogen production system 500 according to an embodiment of the present invention is shown, the hydrogen production system includes: a vapor generator 100, a hydrogen generator 200, a vapor transmission pipe 310, and a purification apparatus 400. The steam generator 100 generates steam by heating a steam material, the steam is transmitted into the hydrogen generator 200 through the steam transmission pipe 310, the steam in the hydrogen generator 200 reacts with a hydrogen production catalyst to generate hydrogen, and the generated hydrogen is purified by the purification device 400. Referring to fig. 2, the steam generator 100 has a hollow structure, and an accommodating space 104 is formed therein; the hydrogen generator 200 is sleeved in the accommodating space 104, and the steam generator 100 and the hydrogen generator 200 are sleeved with each other to reduce the floor area and facilitate use.
For example, when the vapor generator 100 is sleeved outside the hydrogen generator 200 or the vapor generator 100 is sleeved inside the hydrogen generator 200, the distance of the vapor flowing out of the vapor generator 100 into the hydrogen generator 200 is shortened, the heat loss is reduced, and the heat utilization rate is improved.
Specifically, referring to fig. 3 and 4, the steam generator 100 includes: a liquid storage portion 111, a vapor transfer tube 120, and a vapor portion 131. Referring to fig. 7, an annular liquid storage cavity 110 is arranged inside the liquid storage part 111, and the liquid storage part 111 is provided with a transfusion inlet 106 communicated with the annular liquid storage cavity 110; a steam accommodating cavity 130 is arranged in the steam part 131; the vapor transmission pipe 120 is communicated with the annular liquid storage cavity 110 and the vapor containing cavity 130, wherein the periphery of the vapor transmission pipe 120 is filled with combustion catalyst; the vapor material in the annular liquid storage cavity 110 is heated by the reaction of the tail gas and the combustion catalyst to generate vapor, and the vapor generated by the heating of the vapor material in the annular liquid storage cavity 110 flows into the vapor containing cavity 130 of the vapor part 131 through the vapor transmission pipe 120. The vapor accommodation cavity 130 is opened with a vapor inlet (not shown) and a vapor outlet 105, at least one vapor transmission pipe 120 is communicated with the vapor inlet and the annular liquid storage cavity 110, and vapor generated in the annular liquid storage cavity 110 flows through the vapor transmission pipe 120, passes through the vapor inlet and flows into the vapor accommodation cavity 130, then flows out of the vapor outlet 105 and is transmitted to the hydrogen generator 200 through the vapor transmission pipe 310.
Specifically, referring to fig. 4, the steam generator 100 further includes: a sleeve 150 and a plurality of first porous barrier plates 140. The sleeve 150 is sleeved outside the vapor transmission pipe 120, and a combustion catalyst is filled between the sleeve 150 and the vapor transmission pipe 120; the plurality of first porous blocking plates 140 are arranged in the sleeve 150 and are provided with uniformly distributed combustion catalysts, so that the contact area between the combustion catalysts and the tail gas is increased, the tail gas combustion efficiency is improved, the heating rate is increased, and the steam generation rate is increased. Referring to fig. 6, a tail gas input cavity 102, a tail gas reaction cavity (not shown) and a waste gas output cavity (not shown) are sequentially arranged between the liquid storage part 111 and the vapor part 131, the sleeve 150 is provided with a tail gas inlet 101 near the tail gas reaction cavity, and the sleeve 150 is provided with a waste gas outlet 103 near the waste gas output cavity; tail gas is input into the tail gas input cavity 102 through the tail gas inlet 101, the tail gas in the tail gas input cavity 102 flows into the tail gas reaction cavity to react with a combustion catalyst to release heat, steam materials in the steam output pipe 120 and the annular liquid storage cavity 110 are heated to generate steam, and the steam is transmitted into the steam accommodating cavity 130 through the steam transmission pipe 120.
For example, after hydrogen reaction and purification, certain tail gas is generated, main components of the tail gas are hydrogen and methane, the tail gas has high utilization value, the tail gas enters the tail gas reaction cavity from the tail gas input cavity 102 through the tail gas inlet 101, and at the moment, the tail gas reacts with the combustion catalyst to generate a large amount of heat, so that heat is provided for the steam part 131, and the effect of waste utilization is achieved.
Preferably, the electric heating members 112 are disposed in the steam delivery pipe 120, one end of the electric heating member 112 is connected to the end of the steam part 131, and the rate of vaporization of the steam reaction medium may be slow depending on the heat generated by the reaction between the exhaust gas and the combustion catalyst, so that the plurality of electric heating members 112 are disposed in the steam part 131, and when the heat generated by the reaction between the exhaust gas and the combustion catalyst is insufficient, the plurality of electric heating members 112 are turned on to heat the steam part 131, so as to make the temperature of the steam part 131 reach a desired reaction temperature, thereby improving the operating efficiency of the steam part 131.
Preferably, the sleeve 150 of the steam generator 100 may be externally sleeved with an insulation casing 160, and an insulation layer is formed between the insulation casing 160 and the sleeve 150. The insulation may be provided, for example, by forming a vacuum region between the insulation casing 160 and the sleeve 150, the vacuum not transferring heat, and cutting off the heat transfer medium to insulate the temperature of the steam in the steam generator 100. The heat preservation mode can also be realized by filling heat preservation asbestos between the sleeve 150 and the heat preservation shell 160 to preserve the heat of the steam in the steam generator 100. When the steam part 131 works, the temperature in the steam part 131 is high, and when the external temperature is low, the working temperature of the steam part 131 is affected, so that the heat-insulating shell 160 is sleeved outside the sleeve 150 to ensure the internal working temperature of the steam part 131, and the energy consumption required by heating can be reduced to achieve the energy-saving effect.
Further, the vapor transmission pipe 120 is externally sleeved with a plurality of heat exchange fins 121, and a plurality of heat storage balls (not shown) are disposed between the plurality of heat exchange fins 121, the heat storage balls have the advantages of large heat storage and release amount and good heat conduction performance, and heat storage efficiency and heat conduction efficiency can be further improved by storing heat through the heat storage balls. The heat exchange fins 121 are sleeved outside the steam transmission pipe 120 to improve the heat exchange efficiency between the exhaust gas combustion heat release in the steam generator 100 and the steam in the steam transmission pipe 120, and increase the external surface area of the steam transmission pipe 120, thereby achieving the purpose of improving the heat exchange efficiency.
Specifically, the heat storage balls and the heat exchange fins 121 are matched with each other, the heat storage balls store heat and transfer the heat to the heat exchange fins 121 on the outer side of each steam transmission pipe 120, and then the heat is transferred into each steam transmission pipe 120 through the heat exchange fins 121 on the outer side of each steam transmission pipe 120, so that the medium in each steam transmission pipe 120 is heated, and the heat storage efficiency and the heat exchange efficiency can be further improved by adopting a mode that the heat storage balls are matched with the heat exchange fins 121.
Specifically, referring to fig. 8 and 9, a hydrogen generating space 203 is provided inside the hydrogen generator 200, the steam generator 100 is communicated with a steam input port 202 of the hydrogen generator 200 through a steam conveying pipe 310, a hydrogen production catalyst is provided in the hydrogen generating space 203, the hydrogen production catalyst reacts with steam input in the steam conveying pipe 310 to generate hydrogen, and a hydrogen output pipe 320 is communicated with the hydrogen generating space 203 and outputs the generated hydrogen; the purification device 400 is connected to the hydrogen output tube 320 for purifying the hydrogen output by the hydrogen output tube 320, thereby improving the quality of the hydrogen.
Specifically, referring to fig. 10, the purification apparatus 400 includes: a gas-liquid separation tank 410, a purification adsorption tower 420, a tail gas collection tank 430, and a purified hydrogen storage tank 440. The hydrogen gas output by the hydrogen gas output pipe 320 is delivered to the gas-liquid separation tank 410 through a pipeline for gas-liquid separation, and after the gas-liquid separation, the hydrogen gas is delivered to the purification adsorption tower 420 through a pipeline for impurity gas filtration, and meanwhile, the filtered impurity gas is input to the tail gas collection tank 430, and the filtered hydrogen gas is delivered to the purified hydrogen storage tank 440. The gas-liquid separation tank 410 is provided with a hydrogen inlet (not shown) and a hydrogen outlet (not shown), the hydrogen inlet is connected with the hydrogen output pipe 320, the gas-liquid separation tank 410 is communicated with the hydrogen generation space 203 through the hydrogen output pipe 320, and hydrogen is input from the hydrogen inlet, subjected to gas-liquid separation in the gas-liquid separation tank 410 and then output from the hydrogen outlet. The purification adsorption tower 420 is provided with a hydrogen input port (not shown), a purified hydrogen outlet port (not shown) and a tail gas outlet port (not shown), wherein the hydrogen input port is connected with the hydrogen outlet port, and the tail gas collection tank 430 is connected with the tail gas outlet port; the purified hydrogen storage tank 440 is connected to the purified hydrogen outlet. The hydrogen output from the hydrogen outlet is input into the purification and adsorption tower 420 through the hydrogen input port, filtered by the purification and adsorption tower 420, and then output to the purified hydrogen storage tank 440 through the purified hydrogen outlet, so as to obtain hydrogen with high purity; meanwhile, the filtered off-gas flows to the off-gas collecting tank 440 through the off-gas outlet.
Further, a hydrogen filter (not shown) is disposed in the purification adsorption tower 420, the hydrogen filter divides the interior of the purification adsorption tower 420 into a to-be-purified hydrogen accommodating space (not shown) and a purified hydrogen accommodating space (not shown), and the to-be-purified hydrogen is input into the to-be-purified hydrogen accommodating space, flows into the purified hydrogen accommodating space after being filtered by the hydrogen filter, and is output through the purified hydrogen outlet.
Furthermore, Al is sequentially arranged in the hydrogen filter from top to bottom2O3Molecular sieve, zeolite molecular sieve and carbon molecular sieve, and the hydrogen to be purified is passed through Al in turn2O3The molecular sieve, the zeolite molecular sieve and the carbon molecular sieve filter impurity gases in the hydrogen to obtain the hydrogen with higher purity.
Specifically, referring to fig. 9, the hydrogen generator 200 includes: an electrical heating tube 201 and a second porous barrier plate 204. The electric heating pipe 201 is arranged in the hydrogen generation space 203, and the electric heating pipe 201 heats the steam and the hydrogen production catalyst in the reaction process, so that the reaction rate of the steam and the hydrogen production catalyst is improved, and the hydrogen generation efficiency is improved; the second porous blocking plate 204 is provided with a ventilation opening (not marked in the figure) and is arranged in the hydrogen generation space 203, and the hydrogen production catalyst is uniformly distributed on the second porous blocking plate 204, so that the contact area of the hydrogen production catalyst and steam is increased, and the hydrogen production rate is further increased.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A hydrogen production system, comprising:
a steam generator having a hollow structure, a receiving space being formed therein, the steam generator including:
the liquid storage part is internally provided with an annular liquid storage cavity and is provided with a transfusion inlet communicated with the annular liquid storage cavity;
a steam part, the interior of which is provided with a steam accommodating cavity;
the steam transmission pipe is communicated with the annular liquid storage cavity and the steam containing cavity, and a combustion catalyst is filled around the steam transmission pipe;
the hydrogen generator is sleeved in the accommodating space, and a hydrogen generating space is arranged in the hydrogen generator;
a hydrogen gas output pipe which is communicated with the hydrogen gas generating space;
the steam generator is communicated with the hydrogen generator through the steam conveying pipe;
and the purification device is communicated with the hydrogen generator and is used for purifying the hydrogen generated by the hydrogen generator.
2. The hydrogen production system as claimed in claim 1, wherein an electric heating element is provided in the vapor delivery pipe, and one end of the electric heating element is connected to the end of the vapor part.
3. The hydrogen generation system as claimed in any one of claims 1-2, wherein the purification apparatus comprises:
the gas-liquid separation tank is provided with a hydrogen inlet and a hydrogen outlet, the inlet is connected with the hydrogen output pipe, and the hydrogen generation space is communicated through the hydrogen output pipe;
the purification adsorption tower is provided with a hydrogen input port, a purified hydrogen outlet and a tail gas outlet, and the hydrogen input port is connected with the hydrogen outlet through a pipeline;
the tail gas collecting tank is connected with the tail gas outlet through a pipe;
and the purified hydrogen storage tank is connected with the purified hydrogen outlet through a pipe.
4. The hydrogen production system as claimed in claim 3, wherein a hydrogen filter is provided in the purification and adsorption tower, and the interior of the purification and adsorption tower of the hydrogen filter is divided into a space for containing hydrogen to be purified and a space for containing purified hydrogen.
5. The hydrogen production system of claim 4, wherein the Al2O3 molecular sieve, the zeolite molecular sieve and the carbon molecular sieve are arranged in the hydrogen filter in sequence.
6. The hydrogen generation system of claim 1, wherein the vapor generator further comprises: the sleeve is sleeved outside the steam transmission pipe, and a combustion catalyst is filled between the sleeve and the steam transmission pipe.
7. The hydrogen production system according to claim 6, wherein a tail gas input cavity, a tail gas reaction cavity and a waste gas output cavity are sequentially arranged between the liquid storage part and the steam part, the sleeve is provided with a tail gas inlet close to the tail gas reaction cavity, and the sleeve is provided with a waste gas outlet close to the waste gas output cavity.
8. The hydrogen production system as claimed in claim 1, wherein the vapor transmission tube is externally sheathed with heat exchange fins.
9. The hydrogen generation system of claim 8, wherein the vapor generator further comprises: and the heat storage balls are distributed around the steam transmission pipe and clamped between the heat exchange fins.
10. The hydrogen generation system of claim 1, wherein the hydrogen generator further comprises:
an electric heating pipe arranged in the hydrogen generating space;
and the second porous separation plate is provided with a ventilation port and is arranged in the hydrogen generation space, and the hydrogen production catalyst is uniformly distributed on the second porous separation plate.
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Effective date of registration: 20231226 Address after: Building 1, Unit 1, 2nd Floor, No. 112-1 Hongqiao Street, High tech Zone, Neijiang City, Sichuan Province, 641000, No. 21 BC Zone Patentee after: Sichuan Woyouda Technology Co.,Ltd. Address before: No.404, building 14, new town entrepreneurship center, Zengcheng low carbon headquarters park, No.400 Xincheng Avenue, Zengcheng District, Guangzhou, Guangdong Province Patentee before: Guangdong alcohol hydrogen New Energy Research Institute Co.,Ltd. |