CN214936049U - Hydrogen production device - Google Patents
Hydrogen production device Download PDFInfo
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- CN214936049U CN214936049U CN202120076811.5U CN202120076811U CN214936049U CN 214936049 U CN214936049 U CN 214936049U CN 202120076811 U CN202120076811 U CN 202120076811U CN 214936049 U CN214936049 U CN 214936049U
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 204
- 239000001257 hydrogen Substances 0.000 title claims abstract description 198
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 198
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 56
- 239000007788 liquid Substances 0.000 claims abstract description 86
- 239000002918 waste heat Substances 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 238000012546 transfer Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 89
- 239000002912 waste gas Substances 0.000 claims description 36
- 239000003054 catalyst Substances 0.000 claims description 31
- 238000003860 storage Methods 0.000 claims description 22
- 238000002485 combustion reaction Methods 0.000 claims description 19
- 238000005338 heat storage Methods 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000001802 infusion Methods 0.000 claims description 9
- 238000002637 fluid replacement therapy Methods 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 23
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- 238000010586 diagram Methods 0.000 description 7
- 150000002431 hydrogen Chemical class 0.000 description 6
- 230000001502 supplementing effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 238000013021 overheating Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing 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
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
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Classifications
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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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Fuel Cell (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model discloses a hydrogen production device. The hydrogen production apparatus includes: the steam generator is provided with a steam outlet and a liquid inlet; a hydrogen reactor provided with a vapor inlet and a hydrogen outlet; wherein the vapor inlet is in communication with the vapor outlet via a vapor transport conduit; the waste heat assembly is connected between the steam generator and the hydrogen reactor; the waste heat assembly comprises: a heat exchanger in which hydrogen produced by the hydrogen reactor transfers heat to the steam generator, and/or a heat exchange fluid. The utility model discloses can effectively solve the problem that hydrogen manufacturing is inefficient, heat loss is big.
Description
Technical Field
The utility model is suitable for a chemical industry equipment technical field especially relates to a hydrogen production device.
Background
At present, methanol is widely used for preparing hydrogen, and the methanol hydrogen preparation refers to a process for preparing hydrogen by taking methanol as a raw material and carrying out a conversion reaction through methanol steam under the action of a hydrogen preparation catalyst under certain temperature and pressure conditions. In the prior art, the method of recycling the mixed gas obtained by mixing the tail gas obtained by the reaction of the methanol vapor and the hydrogen production catalyst with the air by combustion catalysis effectively reduces the resource loss. Crude hydrogen produced by the existing hydrogen production device also contains a large amount of heat, and the heat is wasted when the crude hydrogen is directly introduced into the purification device, and a part of heat is needed to heat a steam material in the steam generator.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a hydrogen production device, the utility model discloses can effectively solve the hydrogen manufacturing inefficiency, the great technical problem of heat waste.
The embodiment of the utility model provides a hydrogen production device, hydrogen production device includes: the steam generator is provided with a steam outlet and a liquid inlet; a hydrogen reactor provided with a vapor inlet and a hydrogen outlet; wherein the vapor inlet is in communication with the vapor outlet via a vapor transport conduit; the waste heat assembly is connected between the steam generator and the hydrogen reactor; the waste heat assembly comprises: a heat exchanger in which hydrogen produced by the hydrogen reactor transfers heat to the steam generator, and/or a heat exchange fluid.
Further, in an embodiment of the present invention, the heat exchanger includes: a first hydrogen port, a second hydrogen port, a first liquid port, and a second liquid port; wherein the first hydrogen port is connected to the hydrogen outlet and the liquid inlet is connected to the first liquid port; and/or the heat exchanger further comprises a third liquid port and a fourth liquid port, and the hydrogen produced by the hydrogen reactor in the heat exchanger transfers heat to the heat exchange liquid through the third liquid port and the fourth liquid port.
The hydrogen produced by the hydrogen reactor can enter the heat exchanger through the first hydrogen port from the hydrogen outlet, the heat exchanger can absorb and store the heat in the hydrogen, and then the hydrogen is discharged through the second hydrogen port; the liquid can absorb and recycle the heat stored in the heat exchanger, and the heat exchange liquid ensures that the heat in the heat exchanger is further absorbed.
Further, in an embodiment of the present invention, the waste heat module further includes: a fluid replacement conduit connected to the second fluid port; a hydrogen gas conduit connected to the second hydrogen port.
The liquid supplementing pipeline can supplement liquid for the hydrogen production device, and low-temperature liquid can pass through the heat exchanger to absorb heat absorbed in the heat exchanger and then enter the steam generator through the liquid inlet; the hydrogen pipeline can be carried the hydrogen in the hydrogen reactor to purification portion, and before entering purification portion the hydrogen has certain temperature, need to carry out cooling treatment to the hydrogen, avoids the heat waste.
Further, in an embodiment of the present invention, the present invention further includes: the air cooler is provided with a third hydrogen port and a fourth hydrogen port; the third hydrogen port is connected to the second hydrogen port, and the fourth hydrogen port is connected to the hydrogen pipeline.
The air cooler is arranged between the hydrogen pipeline and the heat exchanger and can further cool the hydrogen, and the efficiency of preparing the hydrogen is higher after the cooled hydrogen enters the purification part.
Further, in an embodiment of the present invention, the steam generator includes: an outer shell, inside of which is provided with a steam space; the vapor space includes: the liquid storage accommodating cavity is provided with a first electric heater and a liquid infusion inlet; the steam accommodating cavity is provided with a second electric heater and a steam outlet; and the steam pipe is arranged in the steam space and is communicated with the liquid storage accommodating cavity and the steam accommodating cavity.
The first electric heater and the second electric heater can heat the liquid in the liquid storage cavity inside the steam generator so as to generate steam.
Further, in an embodiment of the present invention, the vapor space further includes: the tail gas cavity is arranged in the vapor space and close to one side of the liquid storage accommodating cavity; the waste gas input cavity is arranged at the upper end of the tail gas cavity in the vertical direction; and the waste gas output cavity is positioned between the steam containing cavity and the waste gas input cavity.
And tail gas and waste gas are introduced into the tail gas cavity and the waste gas input cavity, so that the liquid in the liquid storage accommodating cavity can be further heated, and the preparation efficiency of steam is effectively improved.
Further, in an embodiment of the present invention, the exhaust gas input chamber is filled with a combustion catalyst; the waste gas output cavity is filled with a heat storage assembly.
The combustion catalyst can react with the introduced tail gas to generate a large amount of heat, the heat of the burnt tail gas after passing through the waste gas output cavity is absorbed by the heat storage assembly, and the heat storage assembly heats the steam in the steam pipe, so that the temperature in the steam pipe is continuously ensured, and the preparation efficiency of the steam is effectively ensured.
Further, in an embodiment of the present invention, the present invention further includes: porous partition plates are arranged among the tail gas cavity, the waste gas input cavity and the waste gas output cavity.
The arrangement of the porous partition plate ensures the circulation of the waste gas and the tail gas in the steam generator, and the heat of the waste gas and the tail gas can be stored.
Further, in an embodiment of the present invention, the hydrogen reactor includes: a housing, inside which a hydrogen production space is provided; a hot exhaust gas pipeline arranged inside the hydrogen production space; the hydrogen production catalyst is arranged in the hydrogen production space and is positioned between the hot waste gas pipeline and the outer shell; wherein, hot exhaust gas pipeline is inside to be equipped with heat accumulation subassembly.
And waste gas is introduced into the hot waste gas pipeline, so that the steam in the hydrogen reactor can react with the hydrogen production catalyst to further generate hydrogen, and the aim of preparing the hydrogen is fulfilled.
Further, in an embodiment of the present invention, a steam accommodating chamber, a hydrogen reaction chamber and a hydrogen accommodating chamber are arranged inside the hydrogen production space, and a porous partition plate is arranged between every two hydrogen production spaces; the hydrogen production catalyst is arranged in the hydrogen reaction cavity.
The porous partition plate is arranged, so that steam can be conveyed from the steam accommodating cavity to the hydrogen reaction cavity and reacts with the hydrogen production catalyst to generate hydrogen; further, hydrogen can be conveyed from the hydrogen reaction cavity to the hydrogen containing cavity through the porous partition plate, so that the storage and extraction of the hydrogen are realized.
To sum up, adopt the technical scheme of the utility model afterwards, can reach following technological effect:
i) the waste heat assembly is arranged, so that heat recovery and utilization can be carried out on the high-temperature hydrogen discharged by the hydrogen reactor, and the problem of large heat loss of the hydrogen production device is effectively solved.
ii) the heat exchanger absorbs the heat of the high-temperature hydrogen and then transfers the heat to liquid, so that the heat is recycled.
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 device 200 according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the waste heat assembly 190 of FIG. 1;
FIG. 3 is another angle structure diagram shown in FIG. 2;
FIG. 4 is a schematic diagram of the heat exchanger 130 of FIG. 3;
FIG. 5 is a schematic diagram of a portion of hydrogen production apparatus 200 of FIG. 1;
FIG. 6 is a schematic diagram of the steam generator 50 and the hydrogen reactor 100 of FIG. 1;
fig. 7 is a schematic structural view of a steam generator 50 according to a second embodiment of the present invention;
FIG. 8 is a cross-sectional view of FIG. 7;
FIG. 9 is a schematic view of another angular configuration shown in FIG. 7;
FIG. 10 is a schematic view showing the structure of the porous separator 6 in FIG. 8
FIG. 11 is a schematic structural view of the liquid storage cavity 9 in FIG. 9
Fig. 12 is a schematic structural diagram of a hydrogen reactor 100 according to a third embodiment of the present invention;
fig. 13 is a partial structural view of the hydrogen reactor 100 shown in fig. 12;
FIG. 14 is a cross-sectional view of FIG. 12;
description of the main symbols:
description of the main element symbols: 50 is a steam generator; 1 is an outer shell; 11 is a heat-insulating layer; 12 is a overheating cavity; 121 is a heat storage component adding port; 2 is a steam accommodating cavity; 21 a vapor outlet; 22 is a containing cavity; 221 is a second electric heater; 3 is a support part; 4 is a steam pipe; 5 is a fin; 6 is a porous separator; 61 is a vent hole; 62 is a steam pipe through hole; 7 is a heating layer; 71 is a tail gas inlet layer; 711 is a tail gas inlet; 712 is a first electric heater; 72 is a combustion catalyst layer; 8 is a heating cylinder; 9 is a liquid storage accommodating cavity; 91 is an infusion inlet; 92 is a first flange; 93 is a second flange; 20 is a hot waste gas input pipe; 201 is a hot exhaust gas inlet; 202 is a first control valve; 30 is an exhaust gas output pipe; 301 is an exhaust gas outlet; 100 is a hydrogen reactor; 60 is a shell; 601 is a hydrogen production catalyst adding port; 602 is a hot exhaust gas delivery pipe; 603 is a hydrogen outlet; 604 is a steam delivery pipe; 70 is an exhaust gas containing cavity; 701 is an exhaust gas output pipeline; 80 is a hydrogen production space; 801 is a steam cavity; 802 is a superheat chamber; 803 is a hydrogen gas cavity; 804 is an exhaust gas pipeline; 805 is a clapboard;
200 is a hydrogen production device; 110 is an air duct; 111 is a fan; 120 is an air cooler; 121 is a third hydrogen port; 122 is a fourth gas port; 130 is a heat exchanger; 131 is a first hydrogen port; 132 is a second hydrogen port; 133 is a first liquid port; 134 is a second liquid port; 135 is a third liquid port; 136 is a fourth liquid port; 140 is a fluid infusion pipeline; 140a is a first fluid infusion pipeline; 140b is a second fluid infusion pipeline; 150 is a tail gas conveying pipeline; 160 is a supporting seat; 170 is a liquid inlet pump; 180 is a hydrogen pipeline; 180a is a first hydrogen gas conduit; 180b is a second hydrogen conduit; 1804 is a flow meter; 1805 is a pressure gauge; 190 is a waste heat assembly.
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
Referring to fig. 1 to 3, a first embodiment of the present invention provides a hydrogen production apparatus 200, where the hydrogen production apparatus 200 includes, for example: the system comprises a steam generator 50, a hydrogen reactor 100, a support base 160 and a waste heat assembly 190, wherein the steam generator 50 is provided with a steam outlet (not shown) and a liquid inlet (not shown); a hydrogen reactor 100 provided with a vapor inlet (not shown) and a hydrogen outlet (not shown); wherein the vapor inlet is in communication with the vapor outlet via a vapor transport conduit 604; a residual heat assembly 190 connected between the steam generator 50 and the hydrogen reactor 100; the support base 160 is disposed at a lower side of the hydrogen production device 200, and supports the hydrogen production device 200.
Preferably, waste heat assembly 190 includes: a heat exchanger 130, a hydrogen pipe 180, and a fluid replacement pipe 140, wherein the hydrogen produced by the hydrogen reactor 100 in the heat exchanger 130 transfers heat to the second fluid replacement pipe 140 of the steam generator 50. Further, the heat exchanger 130 is provided with a first hydrogen port 131, a second hydrogen port 132, a first liquid port 133, and a second liquid port 134; a fluid replacement conduit 140 connected to the second fluid port 134; a hydrogen conduit 180 is connected to the second hydrogen port 132. Preferably, hydrogen plant 200 further comprises: an air cooler 120 having a third hydrogen port 121 and a fourth hydrogen port 122; the third hydrogen port 121 is connected to the second hydrogen port 132, and the fourth hydrogen port 122 is connected to the hydrogen pipe 180.
Further, the hydrogen gas produced by the hydrogen reactor 100 is transported into the heat exchanger 130 through the first hydrogen port 131 by the second hydrogen pipeline 180b, the heat exchanger 130 can absorb and store the heat in the hydrogen gas, and then is transported into the air cooler 120 through the third hydrogen port 121 by the second hydrogen port 132 via the first hydrogen pipeline 180a, and after the air cooler 120 further cools the hydrogen gas, the hydrogen gas is transported into the hydrogen pipeline 180 from the fourth hydrogen port 122, and then the hydrogen gas can be purified.
Preferably, the liquid is introduced into the liquid supplementing pipeline 140, and is transported into the heat exchanger 130 through the second liquid port 134 by the first liquid supplementing pipeline 140a, and after absorbing heat stored in the heat exchanger 130, the liquid is transported into the second liquid supplementing pipeline 140b from the first liquid port 133, and is further transported into the steam generator 50, so as to implement liquid charging and liquid supplementing for the steam generator 50.
Preferably, a flow meter 1804 and a pressure meter 1805 are further arranged between the hydrogen pipeline 180 and the air cooler 120, and are used for detecting the flow and pressure of hydrogen in the hydrogen pipeline 180, and the hydrogen production efficiency can be adjusted according to the detected pressure or flow; a liquid inlet pump 170 is arranged between the liquid supplementing pipeline 140 and the heat exchanger 130, so that liquid can be conveyed to the heat exchanger.
Further, referring to fig. 4, the heat exchanger 130 is provided with a first liquid port 133 and a second liquid port 134, and/or is further provided with a third liquid port 135 and a fourth liquid port 136; waste heat assembly 190 further includes: a heat exchange liquid input pipe (not shown) and a heat exchange liquid output pipe (not shown); when the hydrogen production device 200 works normally and liquid supplementation is not needed, the heat exchange liquid is conveyed to the heat exchanger 130 through the third liquid port 135 by the heat exchange liquid input pipe, absorbs heat stored in the heat exchanger 130, and is finally discharged through the heat exchange liquid output pipe by the fourth liquid port 136; the heat in the heat exchanger 130 is fully discharged, and the purpose of conveying the normal-temperature hydrogen to the hydrogen purification part is achieved.
Preferably, referring to fig. 1 and 5, hydrogen production assembly 200 further comprises: an air line 110 and an exhaust gas delivery line 150; a tail gas delivery duct 150 is connected to the steam generator 50 for delivering tail gas to the steam generator 50; an air pipeline 110 is connected to the position where the tail gas is communicated with the steam generator 50, and air is introduced into the tail gas through a fan 111 to reduce the concentration of hydrogen in the tail gas.
[ second embodiment ]
Referring to fig. 6 to 9, which are views illustrating a steam generator 50 according to a second embodiment of the present invention, the steam generator 50 includes: a heating cylinder 8, a liquid storage accommodating cavity 9, a steam pipe 4 and a steam accommodating cavity 2. The heating cylinder 8 is sleeved outside the steam generator 50, and a heating layer 7 is formed between the heating cylinder and the steam generator 50, and the heating layer 7 includes: the tail gas introducing layer 71 is used for introducing tail gas, the combustion catalyst layer 72 is provided with a combustion catalyst which reacts with the tail gas, the tail gas reacts with the combustion catalyst, and the heat is released by combustion in the combustion catalyst layer 72 to heat a steam material in the steam generator 50 to generate steam; at least one vapor tube 4 communicates the vapor-containing chamber 2 with the liquid-holding chamber 9.
Preferably, the heating cylinder 8 is provided with a tail gas inlet 711 communicated with the tail gas inlet layer 71, the tail gas conveying pipe is connected with the tail gas inlet 711 to convey the tail gas to the combustion catalyst layer 72, the tail gas reacts with the combustion catalyst to be combusted and released in the combustion catalyst layer 72, the temperature is gradually increased to the gasification temperature to heat the steam material to generate steam, and the combusted tail gas becomes the waste gas and flows out from the waste gas outlet 301 and is output from the waste gas output pipe 30. The overheating chamber 12 is located between the accommodating chamber 22 and the combustion catalyst layer 72, and the outer shell 1 is provided with a heat storage component adding port 121 corresponding to the overheating chamber 12.
Further, the heat storage component addition port 121 and the waste gas outlet 301 can be arranged independently or coincidently to form an opening; when the steam generator 50 is overlapped, the sealing performance of the steam generator 50 can be enhanced, and the space is saved for the steam generator 50; at this time, the joint between the waste gas output pipe 30 and the waste gas outlet 301 needs to be provided with a separation net, so that the heat storage assembly can not flow out from the waste gas outlet 301.
Preferably, the vapor-containing chamber 2 comprises: a receiving chamber 22, and a vapor outlet 21. The steam accommodating cavity 2 is used for accommodating steam, and the steam outlet 21 is used for conveying the steam outwards; the steam flows into the steam pipe 4 from the liquid storage accommodating cavity 9 and then flows through the accommodating cavity 22 and flows out from the steam outlet 21; the second electric heater 221 is arranged in the accommodating cavity 22; a first electric heater 712 is arranged between the liquid storage accommodating cavity 9 and the heating layer 7 and extends into the corresponding steam pipe 4.
Specifically, the first electric heater 712 is used for heating the liquid and the steam in the steam pipe 4; the second electric heater 221 is used for heating the steam in the steam pipe 4 and the accommodating chamber 22.
Preferably, the steam generator 50 further includes: an outer casing 1 and a support 3. The heat preservation may be performed, for example, by forming a vacuum region between the outer shell 1 and the heating cylinder 8, and cutting off the heat transfer medium to preserve the temperature of the steam in the steam generator 50 without transferring heat in the vacuum region. The heat preservation mode can also be realized by filling heat preservation asbestos between the heating cylinder 8 and the outer shell 1 to preserve the heat in the steam generator 50. Preferably, the steam generator 50 further includes: a heat storage component (not shown), which may be a heat storage ball, and/or a heat storage block; the supporting portion 3 is disposed at a lower side of the liquid storage accommodating chamber 9 for supporting the steam generator 50.
Furthermore, a plurality of fins 5 are sleeved outside the steam pipe 4, and a plurality of heat storage balls or heat storage blocks are arranged among the plurality of fins 5. The fins 5 are sleeved outside the steam pipe 4 to improve the heat exchange efficiency between the tail gas combustion heat release in the steam generator 50 and the steam in the steam channel 4, and the outer surface area of the steam pipe 4 is increased, so that the purpose of improving the heat exchange efficiency is achieved.
Preferably, the heating cylinder 8 is provided with a hot exhaust gas inlet 201 and an exhaust gas outlet 301 which are communicated with the combustion catalyst layer 72; the steam generator 50 further includes: a hot exhaust gas inlet conduit 20 and an exhaust gas outlet conduit 30. One end of the hot waste gas input pipe 20 is communicated with a hot waste gas inlet 201, and the other end of the hot waste gas input pipe 20 is communicated with a hot waste gas output pump; the hot exhaust gas outlet conduit 30 communicates with the exhaust gas outlet 301. The input amount of the hot exhaust gas can be controlled by the provided first control valve 202; the hot exhaust gas output pump pumps the hot exhaust gas, the hot exhaust gas is conveyed to the hot exhaust gas inlet 201 through the hot exhaust gas input pipe 20, the exhaust gas flows to the combustion catalyst layer 72 to assist in heating steam, and the temperature of the hot exhaust gas is reduced to be common exhaust gas after heat release, and the common exhaust gas is output to the exhaust gas processor or the atmosphere from the hot exhaust gas output pipe 30.
Specifically, the heating cylinder 8 is sleeved outside the at least one steam pipe 4, and the hot exhaust gas is wrapped between the heating cylinder 8 and the steam pipe 4 and filled between the liquid storage accommodating cavity 9 and the steam accommodating cavity 2. The hot exhaust gas assists in heating the vapor material within the combustion catalyst layer 72 to generate vapor, increasing the utilization of the heat of the hot exhaust gas and increasing the heating efficiency of the vapor generator 50.
Preferably, referring to fig. 10, the steam generator 50 further includes: a porous separator 6. The porous partition plate 6 is provided with a vent hole 61 and a steam flow through hole 62 and is arranged in the heating cylinder 8, the combustion catalyst is placed on the porous partition plate 6, the vent hole 61 is used for circulating the exhaust gas or the exhaust gas, and the steam flow through hole 62 is used for installing the steam pipe 4.
Preferably, referring to fig. 11, the reservoir 9 comprises: a first flange 92 and a second flange 93, wherein the first flange 92 is arranged at the bottom of the hot exhaust gas heating cylinder 8; the second flange 93 is provided with an infusion inlet 91, the first flange 92 and the second flange 93 are connected in a matching manner to form a liquid storage cavity 9, and the liquid storage cavity 9 is communicated with an infusion tube (not shown in the figure) through the infusion inlet 91.
Specifically, the liquid storage holds and is equipped with first electric heater 221 and liquid storage in the chamber 9 and holds chamber 9 and has seted up at least one intercommunication steam generator's first opening, steam generator includes: a vapor-receiving chamber 2 and at least one vapor transmission channel (not shown). The mixed solution is stored in the liquid storage accommodating cavity 9 and then is heated electrically to generate steam, and the steam material in the liquid storage accommodating cavity 9 generates steam through electric heating and waste gas auxiliary heating and then flows to the steam accommodating cavity 2 through the steam transmission channel.
[ third embodiment ]
Referring to fig. 12-14, a third embodiment of the present invention also provides a hydrogen reactor 100. The hydrogen reactor 100 includes, for example: a housing 60, an exhaust gas accommodating chamber 70; the inside hydrogen production space 80 that is equipped with of casing 60, a plurality of openings have been seted up to casing 60 outside, include wherein: a hydrogen production catalyst addition port 601, a hydrogen gas outlet port 603, and a vapor input port. Further, the hot exhaust gas inlet 201 is connected to a hot exhaust gas delivery pipe 602; the housing 60 has one end connected to the hot exhaust gas duct 602 and the other end connected to the exhaust gas output pipe 701 and connected to the hot exhaust gas output port 301; the vapor input port is connected to a vapor delivery tube 604. The hot exhaust gas input pipe 20 of the steam generator 50 is communicated with the hot exhaust gas delivery pipe 602 of the hydrogen reactor 100; the exhaust gas output pipe 30 of the steam generator 50 is communicated with the exhaust gas output pipe 701 of the hydrogen reactor 100; the hydrogen outlet 603 is for delivering hydrogen.
Preferably, a steam cavity 801, a superheating cavity 802, a hydrogen cavity 803 and an exhaust gas pipeline 804 are arranged in the hydrogen production space 80; the steam cavity 801, the overheating cavity 802 and the hydrogen cavity 803 are sequentially arranged, a partition plate 805 is arranged between every two steam cavities, a gas circulation hole is formed in the surface of the partition plate 805, and a waste gas pipeline 804 penetrates between the steam cavity 801 and the hydrogen cavity 803; an opening for accommodating a third electric heater (not shown in the figure) is further formed in the top of the casing 60, and the third electric heater extends into the exhaust gas pipeline 804 through the opening; the hydrogen gas outlet 603 is provided to the hydrogen gas chamber 803. The exhaust gas pipe 804 and the third electric heater can heat the hydrogen production catalyst in the hydrogen production space 80 so as to reach a temperature required for reaction with steam; the superheating chamber 802 is filled with a heat storage component (not shown), which may be a heat storage ball and/or a heat storage block, for absorbing heat released by the exhaust gas and the third electric heater, and continuously heating the hydrogen production catalyst and steam.
Further, a hydrogen production catalyst (not shown) is added between the housing 60 and the exhaust gas pipe 804, and the hydrogen reactor 100 may be heated by the third electric heater, so that the steam can react with the hydrogen production catalyst; a heat storage component (not shown in the figure) is added in the waste gas pipeline 804, and the heat storage component continuously provides heat for the reaction of the hydrogen production catalyst and steam; a partition 805 is provided in the hydrogen production space 80 and is located at the upper end of the hydrogen outlet 603 in the vertical direction.
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 apparatus, comprising:
the steam generator is provided with a steam outlet and a liquid inlet;
a hydrogen reactor provided with a vapor inlet and a hydrogen outlet;
wherein the vapor inlet is in communication with the vapor outlet via a vapor transport conduit;
the waste heat assembly is connected between the steam generator and the hydrogen reactor;
the waste heat assembly comprises:
a heat exchanger in which hydrogen produced by the hydrogen reactor transfers heat to the steam generator, and/or a heat exchange fluid.
2. The hydrogen generation assembly of claim 1, wherein the heat exchanger is provided with a first hydrogen port, a second hydrogen port, a first liquid port, and a second liquid port;
wherein the first hydrogen port is connected to the hydrogen outlet and the liquid inlet is connected to the first liquid port;
and/or the heat exchanger is also provided with a third liquid port and a fourth liquid port, and the hydrogen produced by the hydrogen reactor in the heat exchanger transfers heat to the heat exchange liquid through the third liquid port and the fourth liquid port.
3. The hydrogen generation assembly of claim 2, wherein the waste heat assembly further comprises:
a fluid replacement conduit connected to the second fluid port;
a hydrogen gas conduit connected to the second hydrogen port.
4. The hydrogen generation assembly of claim 3, further comprising:
the air cooler is provided with a third hydrogen port and a fourth hydrogen port;
the third hydrogen port is connected to the second hydrogen port, and the fourth hydrogen port is connected to the hydrogen pipeline.
5. The hydrogen plant according to any of claims 1-3, characterized in that the steam generator comprises:
an outer shell, inside of which is provided with a steam space;
the vapor space includes:
the liquid storage accommodating cavity is provided with a first electric heater and a liquid infusion inlet;
the steam accommodating cavity is provided with a second electric heater and a steam outlet;
and the steam pipe is arranged in the steam space and is communicated with the liquid storage accommodating cavity and the steam accommodating cavity.
6. The hydrogen generation assembly of claim 5, wherein the vapor space further comprises:
the tail gas cavity is arranged in the vapor space and close to one side of the liquid storage accommodating cavity;
the waste gas input cavity is arranged at the upper end of the tail gas cavity in the vertical direction;
and the waste gas output cavity is positioned between the steam containing cavity and the waste gas input cavity.
7. The hydrogen generation assembly of claim 6, wherein the exhaust gas input chamber is filled with a combustion catalyst; the waste gas output cavity is filled with a heat storage assembly.
8. The hydrogen generation assembly of claim 7, further comprising:
porous partition plates are arranged among the tail gas cavity, the waste gas input cavity and the waste gas output cavity.
9. The hydrogen generation assembly of claim 4, wherein the hydrogen reactor comprises:
a housing, inside which a hydrogen production space is provided;
a hot exhaust gas pipeline arranged inside the hydrogen production space;
the hydrogen production catalyst is arranged in the hydrogen production space and is positioned between the hot waste gas pipeline and the shell; wherein, hot exhaust gas pipeline is inside to be equipped with heat accumulation subassembly.
10. The hydrogen production device according to claim 9, wherein a steam accommodating cavity, a hydrogen reaction cavity and a hydrogen accommodating cavity are arranged in the hydrogen production space, and a porous partition plate is arranged between every two hydrogen production spaces; the hydrogen production catalyst is arranged in the hydrogen reaction cavity.
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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. |