CN214936051U - Hydrogen production system - Google Patents
Hydrogen production system Download PDFInfo
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- CN214936051U CN214936051U CN202120081189.7U CN202120081189U CN214936051U CN 214936051 U CN214936051 U CN 214936051U CN 202120081189 U CN202120081189 U CN 202120081189U CN 214936051 U CN214936051 U CN 214936051U
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- hydrogen
- gas
- exhaust gas
- waste gas
- vapor
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 211
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 208
- 239000001257 hydrogen Substances 0.000 title claims abstract description 208
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 50
- 239000007789 gas Substances 0.000 claims abstract description 174
- 239000002912 waste gas Substances 0.000 claims abstract description 66
- 238000006243 chemical reaction Methods 0.000 claims abstract description 65
- 238000000746 purification Methods 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000001179 sorption measurement Methods 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 20
- 238000005338 heat storage Methods 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 17
- 239000002808 molecular sieve Substances 0.000 claims description 12
- 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 9
- 239000003054 catalyst Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 claims description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000012495 reaction gas Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 230000004308 accommodation Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The embodiment of the utility model discloses hydrogen production system, include: a steam generating device provided with a steam input portion and a steam output portion; at least one hydrogen reaction device communicated with the steam output part; an exhaust gas delivery conduit communicating the vapor generation device and the at least one hydrogen reaction device; the purification device is communicated with the hydrogen generator and is used for purifying the hydrogen generated by the hydrogen generator; wherein, the waste gas heating part is communicated with high-temperature waste gas which can heat the steam generating device and the at least one hydrogen reaction device. The embodiment realizes the recycling of high-temperature waste gas and the purification of hydrogen generated by the hydrogen reaction device.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field especially relates to a hydrogen production system.
Background
With the limited nature of conventional energy and the increasing prominence of environmental issues, new energy with the characteristics of environmental protection and regeneration is gaining more and more attention from various countries. With the limited nature of conventional energy and the increasing prominence of environmental issues, new energy with the characteristics of environmental protection and regeneration is gaining more and more attention from various countries. In the research of various new energy sources, hydrogen is the first choice of researchers in a completely clean combustion mode and with the advantage of being renewable.
In the existing hydrogen production process, a method for preparing hydrogen by using a raw material liquid of methanol and water needs a high-temperature device in equipment, such as a combustion furnace, a large amount of fuel is needed for combustion of the combustion furnace, hot waste gas generated by combustion is directly discharged, the heat utilization rate is not high, the heating mode is single, the temperature required in the hydrogen production process cannot be ensured and controlled, and the hydrogen production efficiency is low.
In a chemical plant, more high-temperature waste gas is generated, and the heat contained in the high-temperature waste gas is wasted after the high-temperature waste gas is cooled and collected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hydrogen production system utilizes mill that chemical plant, ceramic factory etc. can produce high temperature waste gas, directly passes through pipe connection to hydrogen production system with its high temperature waste gas of getting rid of, and is usable high temperature waste gas heats hydrogen production system, realizes waste utilization.
The embodiment of the utility model provides a hydrogen production system, include: a steam generating device provided with a steam input portion and a steam output portion; at least one hydrogen reaction device communicated with the steam output part; an exhaust gas delivery conduit communicating the vapor generation device and the at least one hydrogen reaction device; the purification device is communicated with the hydrogen reaction device and is used for purifying the hydrogen generated by the hydrogen reaction device; wherein, the waste gas heating part is communicated with high-temperature waste gas which can heat the steam generating device and/or the at least one hydrogen reaction device.
The technical effect achieved after the technical scheme is adopted is as follows: steam generating device with install the waste gas input port among the hydrogen reaction unit, with high temperature waste gas through the waste gas input port input extremely steam generating device with among the hydrogen reaction unit, directly utilize the heat heating that high temperature waste gas carries steam generating device with hydrogen reaction unit has played the refuse utilization to can purify through the purification device and obtain pure hydrogen.
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, and the hydrogen inlet is connected with the hydrogen reaction device; 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 pipeline; and the purified hydrogen storage tank is connected with the purified hydrogen outlet through a pipeline.
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 an embodiment of the present invention, a hydrogen filter is disposed in the purification adsorption tower, and the hydrogen filter separates the interior of the purification adsorption tower 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: and a hydrogen filter is arranged in the purification adsorption tower and divides the interior of the purification adsorption tower into a hydrogen accommodating space to be purified and a purified hydrogen accommodating space.
In an embodiment of the present invention, Al is sequentially disposed in the hydrogen filter2O3Molecular sieves, zeolite molecular sieves, and carbon molecular sieves.
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 generating device further includes: the gas medium circulating in the gas transmission channel is steam, and the gas transmission channel is provided with a plurality of gas transmission channels; the vapor material accommodating part is provided with a vapor material accommodating space, is provided with a vapor material inlet communicated with the vapor material accommodating space, is arranged at the first end, and is communicated with the plurality of gas transmission channels; the vapor containing part is provided with a vapor containing space, a vapor outlet communicated with the vapor containing space is formed in the vapor containing part, the vapor containing part is arranged at the second end, and the vapor containing space is communicated with the plurality of gas transmission channels.
The technical effect achieved after the technical scheme is adopted is as follows: by providing a plurality of gas delivery passageways, when the gas delivery passageways are blocked, only the gas delivery passageway of the first end need be replaced.
In an embodiment of the present invention, the steam generating device further includes: a first hot exhaust gas receiving portion having a first hot exhaust gas receiving space, opened with a first hot exhaust gas inlet communicating with the first hot exhaust gas receiving space, and provided at the first end, the first hot exhaust gas receiving space communicating with the plurality of hot exhaust gas transfer passages; the first waste gas containing part is provided with a first waste gas containing space, is provided with a first waste gas outlet communicated with the first waste gas containing space and is arranged at the second end, and the first waste gas containing space is communicated with the plurality of hot waste gas transmission channels.
Adopt the technological effect that reaches behind this technical scheme first waste gas accommodation space among the steam generating device communicates a plurality of hot waste gas transmission channel, makes hot waste gas accessible a plurality of transmission channel enter into inside the steam generating device.
In one embodiment of the present invention, the first hot exhaust gas containing portion is sandwiched between the vapor material containing portion and the heat storage body; a plurality of the gas transfer passages pass through the first hot exhaust gas receiving portion; the first exhaust gas containing portion is interposed between the vapor containing portion and the heat storage body; the plurality of gas delivery passages pass through the first exhaust gas receiving portion.
In one embodiment of the present invention, the first hot exhaust gas containing portion is sandwiched between the vapor material containing portion and the heat storage body; a plurality of the gas transfer passages pass through the first hot exhaust gas receiving portion; the first exhaust gas containing portion is interposed between the vapor containing portion and the heat storage body; the plurality of gas delivery passages pass through the first exhaust gas receiving portion.
In an embodiment of the present invention, the hydrogen reaction device includes: a hydrogen reaction part, wherein a hydrogen production space is arranged in the hydrogen reaction channel, a hydrogen output port communicated with the hydrogen production space is arranged at a position close to the first end, and a steam input port communicated with the hydrogen production space is arranged at a position close to the second end; the hydrogen production catalyst is arranged in the hydrogen production space; a second hot exhaust gas receiving part having a second hot exhaust gas receiving space, opened with a second hot exhaust gas inlet communicating with the second hot exhaust gas receiving space, and provided at the first end, the second hot exhaust gas receiving space communicating with the plurality of hot exhaust gas transfer passages; and the second waste gas accommodating part is provided with a second waste gas accommodating space and is provided with a second waste gas outlet communicated with the second waste gas accommodating space, and the second waste gas outlet is arranged at the second end and communicated with the plurality of hot waste gas transmission channels.
The technical effect achieved after the technical scheme is adopted is as follows: by arranging the heat accumulator body in the steam generator, on one hand, the heating cost is reduced, and the hot waste gas is recycled; on the other hand, the heat storage body can store the heat in the hot exhaust gas, heat the hydrogen reaction part, and realize the recycling of the hot exhaust gas.
In an embodiment of the present invention, the hydrogen reaction portion passes through the second hot exhaust gas accommodating portion, and the hydrogen gas output port is opened at a side of the second hot exhaust gas accommodating portion away from the heat accumulator body; the hydrogen reaction part penetrates through the second waste gas accommodating part, and the steam input port is formed in one side, far away from the heat accumulator body, of the second waste gas accommodating part.
The technical effect achieved after the technical scheme is adopted is as follows: the hydrogen reaction part penetrates through the hot waste gas containing part and the waste gas containing part, so that the hydrogen reaction part is heated in the whole process from input to output of hot waste gas, the heating cost is reduced, and the hot waste gas is recycled.
In summary, the above embodiments of the present application may have one or more of the following advantages or benefits: i) the heating cost is reduced, and the recycling of the hot waste gas is realized; ii) the overall hydrogen production efficiency is improved by arranging a plurality of hydrogen reaction devices; iii) a purification device is arranged in the hydrogen production system, so that relatively pure hydrogen can be obtained.
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 400 according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the vapor generation device 100 and the hydrogen generation device 200 of FIG. 1;
FIG. 3 is a schematic view of another configuration of vapor generation device 100 and hydrogen generation device 200 of FIG. 1;
FIG. 4 is a cross-sectional view of vapor generation device 100 of FIG. 1;
fig. 5 is a schematic structural view of the thermal storage device 110 in fig. 4;
fig. 6 is a sectional view of the thermal storage device 110 in fig. 4;
FIG. 7 is a schematic structural diagram of the hydrogen generating apparatus 200 shown in FIG. 1;
fig. 8 is a schematic structural view of the purification apparatus 300 of fig. 1.
Fig. 9 is a schematic structural view of the gas-liquid separation tank 310 in fig. 8.
Fig. 10 is a cross-sectional view taken along the direction B in fig. 9.
Fig. 11 is a schematic structural view of the purification adsorption column 320 in fig. 8.
Fig. 12 is a cross-sectional view taken along line C in fig. 11.
Description of the main element symbols:
100 is a steam generating device; 110 is a heat accumulator body; 111 is a first end; 112 is a second end; 113 is a hot exhaust gas channel; 114 is a gas transmission channel; 115 is a hot exhaust gas containing part; 116 is an exhaust gas containing part; 117 is a hydrogen reaction channel; 120 is a vapor material containing portion; 121 is a vapor material containing space; 122 is a vapor material inlet; 130 is a vapor accommodation part; 131 is a vapor containing space; 132 is a vapor outlet; 140 is a vapor transmission pipeline;
200 is a hydrogen reaction device; 210 is a hydrogen reaction part; 211 is a hydrogen production space; 212 is a hydrogen gas outlet; 213 is a vapor input port; 220 is a heat preservation sleeve; 230 is an electric heater;
300 is a purification device; 301 is a hydrogen finished product delivery pipe; 310 is a gas-liquid separation tank; 311 is a dry hydrogen cavity; 312 is a reaction air cavity; 313 is a gas-liquid filter plate; 314 is a reaction gas drainage pipe; 315 is a reaction gas inlet; 320 is a purification adsorption tower; 321 is a hydrogen filtering cavity; 322 is a hydrogen finished product cavity; 323 is a tail gas separation plate; 330 is a tail gas collecting tank; 331 is a tail gas discharge pipe;
400 is a hydrogen production system; 411 is an exhaust gas outlet; 412 is an exhaust gas inlet; 420 is a hydrogen gas outlet; 430 is a thermocouple; 440 is a pressure transmitter; 450 is a control switch.
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.
[ first embodiment ] A method for manufacturing a semiconductor device
Specifically, referring to fig. 1, a hydrogen production system 400 according to a first embodiment of the present invention is provided. Hydrogen production system 400 includes, for example: the system comprises a steam generating device 100, at least one hydrogen reaction device 200 and a purifying device 300, wherein the steam generating device 100 is communicated with each hydrogen reaction device 200; the hydrogen discharge ports 420 of each hydrogen reaction device 200 communicate with each other, and the hydrogen discharge ports 420, which communicate with each other, communicate with the purification device 300.
Specifically, the steam generating device 100 and each hydrogen reaction device 200 are provided with a hot off-gas containing portion 115 and an off-gas containing portion 116. Wherein each hot exhaust gas receiving portion 115 communicates with the exhaust gas inlet 412; each exhaust gas containing portion 116 communicates with an exhaust gas outlet 411.
For example, high-temperature exhaust gas generated in a chemical plant, a ceramic plant, or the like, which generates high-temperature exhaust gas, enters the hot exhaust gas accommodating portion 115 through the exhaust gas inlet 412, enters the exhaust gas accommodating portion 116 after the high-temperature exhaust gas heats the steam generating device 100 and the hydrogen reaction device 200, and is discharged from the exhaust gas outlet 411.
Preferably, as shown in fig. 7, the hot off-gas container 115 is provided at the bottom end of the vapor generation device 100 and each hydrogen reaction device 200, and correspondingly, the off-gas container 116 is provided at the top end of the vapor generation device 100 and each hydrogen reaction device 200; when the high-temperature exhaust gas enters the inside of the steam generating device 100 and each hydrogen reaction device 200 from the bottom end, heat is supplied to the steam generating device 100 and each hydrogen reaction device 200, and then the high-temperature exhaust gas can be extruded by the subsequent high-temperature exhaust gas and discharged from the exhaust gas outlet 411. Of course, the hot exhaust gas receiver 115 may be disposed at the top end of the steam generator 100 and each hydrogen reaction device 200, and correspondingly, the exhaust gas receiver 116 is disposed at the bottom end of the steam generator 100 and each hydrogen reaction device 200, which is not limited herein.
Specifically, referring to fig. 4-6, the steam generator 100 includes, for example: the heat storage body 110, a plurality of vapor transmission pipes 140, a hot exhaust gas container 115, a vapor material container 120, an exhaust gas container 116, and a vapor container 130.
Further, the thermal storage device 100 includes, for example, a thermal storage body 110. The heat accumulator body 110 has a first end 111 and a second end 112 opposite to each other along a length direction thereof. Specifically, the heat accumulator body 110 is provided with a plurality of hot exhaust gas transfer passages 113 and at least one gas transfer passage 114; the hot exhaust gas transfer passage 113 and the gas transfer passage 114 penetrate through the first end 111 and the second end 112 of the heat accumulator body 110; the gas transfer passages 114 are interposed between the plurality of hot exhaust gas transfer passages 113.
For example, the hot exhaust gas enters from the first end 111, passes through the hot exhaust gas transfer passage 113, and finally exits from the second end 112; the gas to be heated enters from the first end 111, passes through the gas transmission channel 114 and finally is discharged from the second end 112; the heat accumulator body 110 absorbs and stores heat of the hot exhaust gas, and transfers the heat to the gas to be heated in the gas transmission passage 114, thereby realizing recycling of the hot exhaust gas and reducing heating cost.
Preferably, the heat storage body 110 may be formed by splicing a plurality of heat storage members. Since the hot exhaust gas carries some dust or particulate matter, the heat accumulator body 110 needs to be replaced regularly to prevent the hot exhaust gas transfer passage 113 of the heat accumulator body 110 from being blocked and affecting the heating efficiency of the gas in the gas transfer passage 114. The heat accumulator body 110 formed by splicing a plurality of heat accumulation pieces does not need to be replaced.
For example, when the heat storage body 110 is clogged, the hot exhaust gas input end, i.e., the first end 111, is often clogged. At this time, only the heat storage member near the first end 111 needs to be replaced, and the entire heat storage body 110 does not need to be replaced, thereby saving the cost of replacing the heat storage body 110.
The heat accumulator body 110 has a first end 111 and a second end 112 opposite to each other along a length direction thereof. Specifically, the heat accumulator body 110 is provided with a plurality of hot exhaust gas transfer passages 113 and vapor transfer passages 140; the hot exhaust gas transmission channel 113 and the vapor transmission channel 140 penetrate through the first end 111 and the second end 112 of the heat accumulator body 110; the vapor transmission pipe 140 is interposed between the plurality of hot exhaust gas transmission passages 113. For example, the hot exhaust gas transfers thermal energy to the thermal mass body 110 through the hot exhaust gas transfer passage 113; the heat storage body 110 absorbs and stores the heat of the hot exhaust gas, and heats the vapor material in the vapor transmission pipeline 140 to obtain the vapor required for the hydrogen production reaction.
Wherein, the hot exhaust gas receiver 115 is provided at the first end 111 of the heat accumulator body 110; the hot exhaust gas housing part 115 has a hot exhaust gas housing space; the hot waste gas accommodating part 115 is provided with a hot waste gas inlet 152 communicated with the hot waste gas accommodating space; the hot exhaust gas receiving space communicates with a plurality of vapor transmission lines 140. The provision of the hot exhaust gas receiver 115 at the first end 111 of the heat accumulator body 110 provides a buffer region within the steam generator 100 that allows the hot exhaust gases to simultaneously and relatively uniformly enter the hot exhaust gas transport channels 113, thereby providing more uniform heating of the steam material.
Further, the vapor material containing portion 130 is provided at the first end 111 of the heat accumulator body 110; the vapor material containing portion 130 has a vapor material containing space 131; the vapor material accommodating portion 130 is provided with a vapor material inlet 122 communicating with the vapor material accommodating space 131; the vapor material accommodating space 131 communicates with a plurality of vapor transmission pipes 140. The vapor material passes from the vapor material inlet 122 into the vapor material accommodating space 131, and exchanges heat with the heat storage body 110 to become vapor, which enters the vapor transmission pipe 140.
Specifically, the exhaust gas receiver 116 is disposed at the second end 112 of the regenerator body 110; the exhaust gas containing portion 116 has an exhaust gas containing space; the waste gas accommodating part 116 is provided with a waste gas outlet 412 communicated with the waste gas accommodating space; the exhaust gas-accommodating space communicates with a plurality of hot exhaust gas transfer passages 113. The hot exhaust gas transfers heat energy to the heat accumulator body 110 to become exhaust gas, and the exhaust gas enters the exhaust gas accommodating space of the exhaust gas accommodating portion 116 from the hot exhaust gas transfer passage 113 and is discharged from an exhaust gas outlet 412 formed in the exhaust gas accommodating space.
Wherein the vapor receiver 130 is disposed at the second end 112 of the heat accumulator body 110; the vapor accommodation portion 130 has a vapor accommodation space 131; the vapor storage 130 is opened with a vapor outlet 132 communicating with the vapor storage space 131. The vapor in the vapor transmission pipe 140 enters the vapor accommodation space 131 of the vapor accommodation part 130 and is discharged from the vapor outlet 132 opened in the vapor accommodation space 131.
Specifically, the hot exhaust gas containing portion 115 is interposed between the vapor material containing portion 130 and the heat storage body 110; a plurality of vapor transmission pipes 140 pass through the hot exhaust gas receiver 115. The exhaust gas receiver 116 is interposed between the vapor receiver 130 and the heat accumulator body 110; a plurality of vapor transmission pipes 140 pass through the exhaust gas containing portion 116.
Further, the steam generating device 100 further includes a heat insulating sleeve 220 and an electric heater 230. Wherein, the heat preservation sleeve 220 is sleeved outside the heat accumulator body 110; the electric heater 230 is disposed in the vapor-containing space 131 and extends into the vapor transmission pipe 140. The thermal sleeve 220 prevents heat transfer between the interior of the steam generator 100 and the external environment, thereby preventing heat loss. Providing the electric heater 230 in the vapor-containing space 131 enables the vapor material to be more rapidly evaporated into vapor.
Specifically, referring to fig. 7, hydrogen production apparatus 200 includes, for example: the heat storage body 110, the hydrogen reaction unit 210, the hydrogen production catalyst, the hot exhaust gas containing unit 115, and the exhaust gas containing unit 116.
Further, the hydrogen reaction part 210 is provided in the hydrogen reaction channel 117; specifically, a hydrogen production space 211 is provided in the hydrogen reaction part 210; a hydrogen outlet 212 of the hydrogen production space 211 is formed at a position of the hydrogen reaction part 210 close to the first end 111; the hydrogen reaction part 210 is provided with a steam input port 213 near the second end 112 and communicated with the hydrogen production space 211.
Further, a hydrogen production catalyst is provided in the hydrogen production space 211. The steam enters the hydrogen production space 211 of the hydrogen reaction part 210 from the steam input port 213, hydrogen is generated under the combined action of the heat accumulator body 110 and the hydrogen production catalyst, and the prepared hydrogen is discharged from the hydrogen output port 212. The hydrogen production catalyst can improve the hydrogen production reaction rate, promote the hydrogen production reaction to proceed towards the positive direction as much as possible, generate more hydrogen and further improve the hydrogen conversion rate.
Preferably, hydrogen plant 200 further includes a thermal sleeve 220 and an electric heater 230. Wherein, the heat preservation sleeve 220 is sleeved outside the heat accumulator body 110; an electric heater 230 is provided in the hydrogen production space 211. The thermal sleeve 220 can prevent the heat transfer between the interior of the hydrogen production apparatus 200 and the external environment, and prevent the heat loss. The electric heater 230 can further heat the hydrogen production space 211, so that the heating diversification of the hydrogen production device 200 is realized, and the hydrogen production efficiency is further improved.
Specifically, the hydrogen reaction part 210 passes through the hot exhaust gas accommodating part 115, and a hydrogen output port 212 is opened at a side of the hot exhaust gas accommodating part 115 away from the heat accumulator body 110. The hydrogen reaction part 210 passes through the exhaust gas accommodating part 116, and a vapor input port 213 is opened at a side of the exhaust gas accommodating part 116 away from the heat storage body 110.
Preferably, referring to fig. 2 and 3, a control switch 450 is provided at the connection between the vapor outlet 132 of the vapor generation device 100 and the vapor input 213 of each hydrogen reaction device 200, and when the hydrogen reaction device 200 needs to be replaced, the corresponding control switch 450 is closed, so as to stop the hydrogen generated by the vapor generation device 100 from being delivered to the hydrogen reaction device 200.
Further, the exhaust inlet 412 and the hot exhaust receiving portion 115 and the exhaust receiving portion 116 and the exhaust outlet 411 are connected to each other by a pressure transmitter 440, so that the pressure at the corresponding position can be known by each pressure transmitter 440, and when an abnormality occurs, the abnormality can be treated at the first time.
Furthermore, a thermocouple 430 is disposed at the hydrogen outlet 212, and the temperature of the currently produced hydrogen can be obtained through the thermocouple 430, so that the control is convenient.
Preferably, referring to fig. 8, a schematic diagram of the purification apparatus 300 is shown. The purification apparatus 300 includes, for example: a gas-liquid separation tank 310, a plurality of purification adsorption towers 320, and a tail gas collection tank 330. For example, any one of the purification adsorption columns 320 is communicated with the gas-liquid separation tank 310, and any two of the purification adsorption columns 320 are communicated with each other; the tail gas collecting tank 330 is communicated with the gas-liquid separation tank 310 and any one of the purification adsorption towers 320, and the tail gas collecting tank 330 is provided with a tail gas discharge pipe 331; the hydrogen finished product delivery pipe 301 is communicated with any one of the purification adsorption towers 320.
Preferably, referring to fig. 9 and 10, the knock out pot 310 includes, for example: a dry hydrogen chamber 311, a reaction gas chamber 312, a gas-liquid filter plate 313, a reaction gas exhaust pipe 314, and a reaction gas inlet 315. Wherein, the dry hydrogen gas chamber 311 is arranged at the top of the gas-liquid separation tank 310 and communicated with each purification adsorption tower 320; the reaction air cavity 312 is arranged at the bottom of the gas-liquid separation tank 310; the gas-liquid filter plate 313 is arranged between the dry hydrogen gas cavity 311 and the reaction gas cavity 312; the reaction gas exhaust pipe 314 is communicated with the bottom of the reaction gas cavity 312; the reaction gas inlet 315 is provided at a side of the reaction gas chamber.
Further, a liquid level device is arranged to reflect the strength of the device, is connected with the side wall of the gas-liquid separation tank 310, is arranged between the reaction gas drainage pipe 314 and the reaction gas inlet 315 in height, constantly detects the liquid level of the wastewater filtered by the gas-liquid filtering plate 313, and prevents the liquid level of the wastewater from being higher than the reaction gas inlet 315.
Preferably, referring to fig. 11 and 12, the purification adsorption columns 320 are, for example, four, and each purification adsorption column 320 includes, for example: a hydrogen filter cavity 321, a hydrogen finished product cavity 322 and a tail gas separation plate 323. Wherein, the hydrogen filtering cavity 321 is located at the bottom of the purification adsorption tower 320, is communicated with the dry hydrogen cavity 311, and is communicated with the bottom of the tail gas collecting tank 330; the hydrogen finished product cavity 322 is positioned at the top of the purification adsorption tower 320, is communicated with the hydrogen finished product leading-out pipe 301, and is connected with the hydrogen finished product cavity 322 of each of the rest purification adsorption towers 320; and a tail gas separation plate 323 arranged between the hydrogen filter cavity 321 and the hydrogen product cavity 322, wherein the tail gas separation plate 323 can be multi-layered.
When hydrogen needs to be introduced into the four purification adsorption towers 320 for filtration, the tail gas collection tank 330 and the gas-liquid separation tank 310 are disconnected by a plurality of electromagnetic valves, and the hydrogen flows out of the hydrogen finished product cavity 322 after being filtered by the tail gas separation plate 323, is led out of the hydrogen finished product leading-out pipe 301, and is left in the hydrogen filtration cavity 321 of the purification adsorption tower 320. Of course, an electromagnetic valve may be disposed between the dry hydrogen chamber 311 and the hydrogen filtering chamber 321 of each purification and adsorption tower 320, and any number of electromagnetic valves may be closed to control any number of purification and adsorption towers 320 to operate.
For example, when only two purification/adsorption towers 320 are performing the hydrogen filtering operation, the connection between the purification/adsorption towers and the finished hydrogen gas outlet 301 may be disconnected by the solenoid valve, and the other two purification/adsorption towers 320 may be back-filled with hydrogen gas through the finished hydrogen gas outlet 301. At this time, two purification and adsorption towers 320 are filled with hydrogen, tail gas exists in the hydrogen filter cavities 321 at the bottoms of the other two purification and adsorption towers 320, the connection between the purification and adsorption towers 320 with the tail gas and the tail gas collection tank 330 is opened, hydrogen is introduced into the tops of the purification and adsorption towers 320 with the tail gas by using the purification and adsorption towers 320 filled with hydrogen to extrude the tail gas, and the extruded tail gas is collected in the tail gas collection tank 330.
Preferably, Al is further provided in the purification adsorption tower 3202O3Molecular sieves, zeolite molecular sieves, and carbon molecular sieves.
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 generating device provided with a steam input portion and a steam output portion;
at least one hydrogen reaction device communicated with the steam output part;
an exhaust gas delivery conduit communicating the vapor generation device and the at least one hydrogen reaction device;
the purification device is communicated with the hydrogen reaction device and is used for purifying the hydrogen generated by the hydrogen reaction device;
wherein, the waste gas heating part is communicated with high-temperature waste gas which can heat the steam generating device and/or the at least one hydrogen reaction device.
2. The hydrogen generation system of claim 1, wherein the purification apparatus comprises:
the gas-liquid separation tank is provided with a hydrogen inlet and a hydrogen outlet, and the hydrogen inlet is connected with the hydrogen reaction device;
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 pipeline;
and the purified hydrogen storage tank is connected with the purified hydrogen outlet through a pipeline.
3. The hydrogen production system as claimed in claim 2, wherein a hydrogen filter is provided in the purification adsorption tower, and the hydrogen filter separates the interior of the purification adsorption tower into a hydrogen accommodating space to be purified and a purified hydrogen accommodating space.
4. The hydrogen generation system of claim 3, wherein the hydrogen filter is sequentially filled with Al2O3Molecular sieves, zeolite molecular sieves, and carbon molecular sieves.
5. The hydrogen generation system of claim 1, wherein the vapor generation device comprises:
a heat accumulator body having first and second opposite ends along a length thereof;
a plurality of hot exhaust gas transport passages extending through the first end and the second end, and at least one gas transport passage also extending through the first end and the second end, the hot exhaust gas transport passages being spaced apart from the gas transport passages,
the heat accumulator body is formed by splicing a plurality of heat accumulation pieces.
6. The hydrogen generation system of claim 5, wherein the vapor generation device further comprises:
the gas medium circulating in the gas transmission channel is steam, and the gas transmission channel is provided with at least one gas transmission channel;
the vapor material accommodating part is provided with a vapor material accommodating space, is provided with a vapor material inlet communicated with the vapor material accommodating space, is arranged at the first end, and is communicated with at least one gas transmission channel;
the vapor containing part is provided with a vapor containing space, is provided with a vapor outlet communicated with the vapor containing space, is arranged at the second end, and is communicated with at least one gas transmission channel.
7. The hydrogen generation system of claim 6, wherein the vapor generation device further comprises:
the first hot waste gas accommodating part is provided with a first hot waste gas accommodating space, is provided with a first hot waste gas inlet communicated with the first hot waste gas accommodating space, and is arranged at the first end, and the first hot waste gas accommodating space is communicated with at least one hot waste gas transmission channel;
the first waste gas containing part is provided with a first waste gas containing space, is provided with a first waste gas outlet communicated with the first waste gas containing space and is arranged at the second end, and the first waste gas containing space is communicated with the at least one hot waste gas transmission channel.
8. The hydrogen generation system according to claim 7, wherein the first hot exhaust gas containing portion is sandwiched between the vapor material containing portion and the heat accumulator body; at least one of the gas transfer passages passes through the first hot exhaust gas receptacle;
the first exhaust gas containing portion is interposed between the vapor containing portion and the heat storage body; at least one of the gas delivery passages passes through the first exhaust gas receiving portion.
9. The hydrogen generation system of claim 5, wherein the hydrogen reaction device comprises:
a hydrogen reaction part, wherein a hydrogen production space is arranged in the hydrogen reaction device, a hydrogen output port communicated with the hydrogen production space is arranged at a position close to the first end, and a steam input port communicated with the hydrogen production space is arranged at a position close to the second end;
the hydrogen production catalyst is arranged in the hydrogen production space;
a second hot exhaust gas receiving part having a second hot exhaust gas receiving space, opened with a second hot exhaust gas inlet communicating with the second hot exhaust gas receiving space, and provided at the first end, the second hot exhaust gas receiving space communicating with the at least one hot exhaust gas transfer passage;
and the second waste gas accommodating part is provided with a second waste gas accommodating space, is provided with a second waste gas outlet communicated with the second waste gas accommodating space, is arranged at the second end, and is communicated with the at least one hot waste gas transmission channel.
10. The hydrogen production system according to claim 9, wherein the hydrogen reaction part passes through the second hot exhaust gas receiving part and opens the hydrogen output port on a side of the second hot exhaust gas receiving part away from the heat accumulator body;
the hydrogen reaction part penetrates through the second waste gas accommodating part, and the steam input port is formed in one side, far away from the heat accumulator body, of the second waste gas accommodating part.
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| CN112573482B (en) * | 2020-12-10 | 2022-07-08 | 洛阳沃达节能科技有限公司 | Hydrogen production pipe of hydrogen production device and hydrogen production device |
| CN116443813A (en) * | 2023-02-27 | 2023-07-18 | 福州大学 | Ammonia decomposition reaction device and system |
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Effective date of registration: 20240102 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. |