CN209786090U - System for efficiently preparing hydrogen for hydrogen fuel cell by anode gas of fuel cell - Google Patents
System for efficiently preparing hydrogen for hydrogen fuel cell by anode gas of fuel cell Download PDFInfo
- Publication number
- CN209786090U CN209786090U CN201920324314.5U CN201920324314U CN209786090U CN 209786090 U CN209786090 U CN 209786090U CN 201920324314 U CN201920324314 U CN 201920324314U CN 209786090 U CN209786090 U CN 209786090U
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- fuel cell
- pressure swing
- swing adsorption
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Hydrogen, Water And Hydrids (AREA)
- Fuel Cell (AREA)
Abstract
The utility model provides a system for hydrogen is used to hydrogen fuel cell is prepared to fuel cell anode gas high efficiency belongs to gas separation technical field. The system comprises a fuel cell, a compression unit I, a hydrogen concentration pressure swing adsorption unit, a compression unit II and a pressure swing adsorption purification unit which are sequentially communicated; the hydrogen concentration pressure swing adsorption unit and the pressure swing adsorption purification unit are communicated with the fuel cell. The pressure swing adsorption purification unit comprises a pressure swing adsorption hydrogen purification unit and a pressure swing adsorption hydrogen purification unit, wherein the pressure swing adsorption hydrogen purification unit is communicated with the fuel cell, and the pressure swing adsorption hydrogen purification unit is communicated with the fuel cellThe hydrogen attaching purification unit is communicated with the compression unit I. The utility model discloses according to hydrogen content is low in the fuel cell anode gas, CO2The method has the characteristics of high content and low gas pressure, and adopts a process route of firstly concentrating at low pressure to remove most impurities and then boosting pressure to purify hydrogen, so that the hydrogen yield can reach 75-88%.
Description
Technical Field
The utility model belongs to the technical field of gas separation, specifically be a system for hydrogen is used to hydrogen fuel cell is prepared to fuel cell anode gas high efficiency.
Background
a carbonate fuel cell is an electrochemical reaction power generation system using fuel, water, and air as raw materials, and the reactions at the anode and cathode of the system are as follows:
Anode: 1) CH (CH)4+2H2O+Heat→4H2+CO2
2)H2+CO3 2-→H2O+CO2+2e-+Heat；
Cathode: 1/2O2+CO2+2e-→CO3 2-；
CO is contained in the anode release gas2、H2、CH4、H2o and CO, the anode released gas and air enter the catalytic oxidizer together, and CO and CH in the catalytic oxidizer4、H2Oxidation to CO2And H2o and release heat during oxidation to make air and CO2Is increased in temperature, the air and CO after the temperature is increased2Gas enters the cathode of the fuel cell to perform cathode of the fuel cellAnd (4) reacting. The carbonate fuel cell stack generates electric energy through electrochemical reaction, and is a distributed power generation system.
Hydrogen energy is a recognized clean energy in the world, and the development strategy of the hydrogen energy industry is actively distributed in all countries in the world. In recent years, the guidance and support of the development policy of the hydrogen energy industry are continuously increased in China, the 'hydrogen energy and fuel cell' is clearly proposed as a strategic task and a new industry, and the hydrogen energy and fuel cell industry is intensively developed in the future. In the future, hydrogen energy is brought into a terminal energy system in China and is synergistically complemented with electric power to jointly become a consumption main body of the terminal energy system.
The important guarantee of hydrogen energy development is sufficient hydrogen, the traditional hydrogen production method takes coal, natural gas and the like as raw materials to produce hydrogen on a large scale, and the future hydrogen energy era needs distributed small-scale hydrogen sources all over the world, so a new small-scale hydrogen production mode needs to be continuously developed.
The carbonate fuel cell power generation system is a small-sized distributed power generation system, and anode release gas of the carbonate fuel cell contains about 25% of hydrogen and about 70% of CO2And small amounts of CO and N2、CH4、H2O, because the pressure of gas released by the anode is low, the hydrogen content is low, the gas is equivalent to desorption gas of pressure swing adsorption of a natural gas hydrogen production device, the gas is generally only used as fuel, if the energy consumption of hydrogen purification by adopting a conventional process is very high, if membrane separation is adopted, the raw material gas needs to be compressed to be more than 2.0MPa, the purity of the hydrogen subjected to membrane separation is low, and the hydrogen loss is large, while the raw material gas needs to be compressed to be more than 0.7MPa when the hydrogen is extracted by adopting a one-section pressure swing adsorption method, and the hydrogen for the hydrogen fuel cell has higher requirements on trace impurities, especially the CO content, and the content of the hydrogen is required to be less than or equal to 0.2ppmv by the standard GB/T. Therefore, there is a need to develop an optimized process that ensures both higher hydrogen quality and lower energy consumption.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a system for hydrogen is prepared to fuel cell anode gas high efficiency hydrogen for fuel cell, the utility model discloses the electric energy that the hydrogen manufacturing system used a small amount of fuel cell group production adopts the high-efficient hydrogen for fuel cell of producing of multistage pressure swing adsorption method, upgrades fuel cell power generation system from distributed electric energy system to distributed electric energy and distributed hydrogen energy system.
The utility model discloses the purpose is realized through following technical scheme:
A system for efficiently preparing hydrogen for a hydrogen fuel cell from anode gas of the fuel cell comprises the fuel cell, a compression unit I, a hydrogen concentration pressure swing adsorption unit, a compression unit II and a pressure swing adsorption purification unit which are sequentially communicated; the hydrogen concentration pressure swing adsorption unit and the pressure swing adsorption purification unit are communicated with the fuel cell.
Further, the pressure swing adsorption purification unit comprises a pressure swing adsorption hydrogen purification unit and a pressure swing adsorption hydrogen purification unit.
Further, the pressure swing adsorption hydrogen purification unit is communicated with the fuel cell, and the pressure swing adsorption hydrogen purification unit is communicated with the compression unit I.
furthermore, a cooling unit I is further arranged between the compression unit I and the hydrogen concentration pressure swing adsorption unit, and a cooling unit II is further arranged between the compression unit II and the pressure swing adsorption purification unit.
Further, the fuel cell is a carbonate fuel cell.
Furthermore, the hydrogen concentration pressure swing adsorption unit adopts a low-pressure adsorption evacuation regeneration process with the number of adsorption towers being more than or equal to 5, and the adsorption towers adopt a composite adsorption bed of activated alumina and activated carbon adsorbents.
Furthermore, the number of the adsorption towers of the pressure swing adsorption hydrogen purification unit is greater than or equal to 5, and the adsorption towers adopt composite adsorption beds of activated alumina, activated carbon and molecular sieve adsorbents.
Furthermore, the number of the adsorption towers of the pressure swing adsorption hydrogen purification unit is more than or equal to 4, and the adsorption towers adopt composite adsorption beds of activated carbon and molecular sieves or single-layer adsorption beds of molecular sieves.
The method for efficiently preparing the hydrogen for the hydrogen fuel cell by using the system comprises the following steps:
A method for efficiently preparing hydrogen for a hydrogen fuel cell from anode gas of the fuel cell comprises the steps of pressurizing anode gas released by the fuel cell by a compression unit I, then entering a hydrogen concentration pressure swing adsorption unit, pressurizing crude hydrogen concentrated by the hydrogen concentration pressure swing adsorption unit by a compression unit II, and then entering a pressure swing adsorption purification unit;
the pressure swing adsorption purification unit adopts a one-stage pressure swing adsorption hydrogen extraction method, or adopts a two-stage method comprising pressure swing adsorption hydrogen purification and pressure swing adsorption hydrogen purification;
The desorbed gas obtained by the hydrogen concentration pressure swing adsorption unit, the one-stage pressure swing adsorption hydrogen extraction and the two-stage pressure swing adsorption hydrogen purification is returned to the fuel cell to participate in the electrochemical reaction;
And the desorbed gas purified by the pressure swing adsorption hydrogen is returned to be used as a hydrogen production raw material, is mixed with the anode released gas of the fuel cell and then enters the compression unit I to participate in circulation again.
Further, the fuel cell is a carbonate fuel cell; the pressure of the compression unit I is 0.05-0.4 MPa; and the pressure of the compression unit II is 0.5-3.0 MPa.
Further, still be provided with cooling unit I behind the compression unit I, still be provided with cooling unit II behind the compression unit II, cool off gas temperature to 20 ~ 40 ℃ respectively through cooling unit I and cooling unit II that cool off.
Further, the hydrogen concentration pressure swing adsorption is a low pressure adsorption evacuation regeneration process, the number of adsorption beds is greater than or equal to 5, the adsorption pressure is 0.05-0.4 MPa, preferably 0.1-0.3 MPa, and the pressure equalizing frequency is 1-3 times.
further, the one-stage pressure swing adsorption hydrogen extraction adopts a vacuum regeneration process, the number of adsorption beds is more than or equal to 5, the adsorption pressure is 0.5-3.0 MPa, preferably 0.7-1.7 MPa, and the pressure equalizing times are 2-5 times; or the one-stage pressure swing adsorption hydrogen extraction adopts a flushing regeneration process, the number of the adsorption beds is more than or equal to 4, the adsorption pressure is 0.7-3.0 MPa, and the preferred pressure is 0.8-1.7 MPa; the pressure equalizing times are 2-4 times.
Further, the pressure swing adsorption hydrogen purification adopts a vacuum regeneration process, the number of adsorption beds is more than or equal to 5, the adsorption pressure is 0.5-3.0 MPa, preferably 0.7-1.7 MPa, and the pressure equalizing times are 2-5 times; the pressure swing adsorption hydrogen purification adopts a flushing regeneration process, the number of adsorption beds is more than or equal to 4, the adsorption pressure is 0.5-3.0 MPa, and the preferred pressure is 0.7-1.7 MPa; the pressure equalizing times are 1-3.
The utility model discloses the system concrete working process of hydrogen for hydrogen fuel cell is prepared to fuel cell anode gas is as follows:
The anode discharge gas of the fuel cell (preferably carbonate fuel cell) group contains about 25% of hydrogen and about 70% of CO2Small amount of CO, N2、CH4、H2O, the pressure is normal pressure. Compressing the anode release gas to 0.05-0.4 MPa (preferably 0.1-0.3 MPa) through a compression unit I, then cooling through a cooling unit I, entering a hydrogen concentration pressure swing adsorption unit at 20-40 ℃, removing more than 90% of impurities in the anode release gas, and concentrating the hydrogen to 80-92% or even higher purity; the hydrogen concentration pressure swing adsorption unit adopts a low-pressure adsorption evacuation regeneration process with the number of adsorption towers being more than or equal to 5, the pressure equalizing frequency is 1-3, and the adsorption towers adopt a composite adsorption bed of activated alumina and activated carbon adsorbents.
The crude hydrogen concentrated by the low-pressure hydrogen is compressed to 0.5-3.0 MPa (preferably 0.7-1.7 MPa) by a compression unit II, then is cooled by a cooling unit II, and enters a pressure swing adsorption purification unit at 20-40 ℃, the hydrogen can be directly purified to the hydrogen standard for the hydrogen used by the fuel cell by adopting one-stage pressure swing adsorption hydrogen extraction, or the hydrogen can be extracted by adopting two-stage pressure swing adsorption, namely pressure swing adsorption hydrogen purification and pressure swing adsorption hydrogen purification, the pressure swing adsorption hydrogen purification is to purify the hydrogen to 99% -99.9% (v/v), and the pressure swing adsorption hydrogen purification is to purify the hydrogen purified by the pressure swing adsorption hydrogen to the hydrogen meeting the hydrogen standard for the hydrogen used by the fuel cell. The number of adsorption towers for purifying the pressure swing adsorption hydrogen is greater than or equal to 5, the pressure equalizing frequency is 2-5, and the adsorption towers adopt composite adsorption beds of activated alumina, activated carbon and molecular sieve adsorbents; the pressure swing adsorption hydrogen purification adopts flushing regeneration pressure swing adsorption with the number of adsorption towers being more than or equal to 4, the pressure equalizing frequency is 1-3, and the adsorption towers adopt composite adsorption beds of activated carbon and molecular sieve or molecular sieve single-layer adsorption beds.
When the pressure swing adsorption purification unit adopts a one-stage pressure swing adsorption to extract hydrogen, the desorbed gas of the hydrogen concentration pressure swing adsorption unit and the pressure swing adsorption purification unit returns to the fuel cell to participate in electrochemical reaction.
When the pressure swing adsorption purification unit adopts a two-stage method comprising pressure swing adsorption hydrogen purification and pressure swing adsorption hydrogen purification, desorbed gas purified by the hydrogen concentration pressure swing adsorption unit and the pressure swing adsorption hydrogen returns to the fuel cell to participate in electrochemical reaction, and desorbed gas purified by the pressure swing adsorption hydrogen returns to a raw material gas inlet to be mixed with anode released gas and then enters the compression unit I to participate in circulation again.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. The utility model discloses with the low-quality hydrogen of fuel only as about 25% of content in the fuel cell positive pole release gas, lead to many high-efficient hydrogen manufacturing technology and system's purification for hydrogen fuel cell, promoted the value of hydrogen, improved fuel cell power generation system's economic nature.
2. The hydrogen in the gas released by the anode of the fuel cell is purified into the hydrogen for the hydrogen fuel cell, and the fuel cell power generation system is upgraded from a distributed electric energy system into a distributed electric energy and distributed hydrogen energy system, so that the efficiency and the energy strategic position of the fuel cell power generation system are improved.
3. According to the characteristics of low hydrogen content, high carbon dioxide content and low gas pressure in the gas released by the anode of the fuel cell, a process route of firstly concentrating at low pressure to remove most impurities and then boosting to purify the hydrogen is adopted, so that the overall energy consumption of the device is reduced, the hydrogen yield is high, and the hydrogen yield can reach 75-88%.
drawings
Fig. 1 is a schematic diagram of a system for producing hydrogen gas for a hydrogen fuel cell from anode gas of a carbonate fuel cell in example 1.
Fig. 2 is a schematic diagram of the system for producing hydrogen gas for a hydrogen fuel cell from anode gas of a carbonate fuel cell in example 2 and example 3.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The composition of the anode bleed gas of the carbonate fuel cell stack is:
V(H2):V(N2):V(CO):V(CH4):V(CO2):V(H2O) 24.61:0.25:1.53:0.08:70.09:3.42, the pressure was normal pressure, and the temperature after heat exchange was normal temperature.
As shown in figure 1, anode release gas is pressurized to 0.3MPa by a compression unit I, then cooled by a cooling unit I, enters a 5-tower hydrogen concentration pressure swing adsorption unit at 35 ℃ for hydrogen concentration, and adopts a vacuum pressure swing adsorption process of 2-tower adsorption, 2-step pressure equalization and evacuation regeneration; the adsorption tower adopts a composite adsorption bed of two adsorbents, namely activated alumina and activated carbon. After being treated by the hydrogen concentration pressure swing adsorption unit, the purity of the hydrogen is concentrated from 24.6 percent to 91.5 percent.
The low-pressure crude hydrogen passing through the hydrogen concentration pressure swing adsorption unit enters a compression unit II to be compressed to 1.0Mpa, then is cooled through a cooling unit II, enters a 6-tower pressure swing adsorption hydrogen purification unit at the temperature of 35 ℃, and adopts a 1-tower adsorption, 4-time pressure equalization and evacuation regeneration process; the adsorption tower adopts a composite adsorption bed of activated alumina, activated carbon and molecular sieves. The hydrogen was purified to 99.9% (v/v) by a pressure swing adsorption hydrogen purification unit.
99.9% (v/v) hydrogen enters a 5-tower pressure swing adsorption hydrogen purification unit at 0.9-0.95 MPa to purify the hydrogen to 99.999% (v/v), and in order to meet the hydrogen standard for the hydrogen fuel cell, 1-tower feeding, 2-time pressure equalization and flushing regeneration processes are adopted, and a molecular sieve type adsorption bed is adopted in an adsorption tower. The desorbed gas purified by the pressure swing adsorption hydrogen returns to the feed gas inlet to be mixed with the anode released gas and then enters the compression unit I to participate in the hydrogen extraction process again.
The desorbed gas of the hydrogen concentration pressure swing adsorption unit and the pressure swing adsorption hydrogen purification unit is mixed and then returns to the carbonate fuel cell to participate in electrochemical reaction, and the recovery rate of the hydrogen reaches 87%.
Example 2
The composition of the anode bleed gas of the carbonate fuel cell stack is:
V(H2):V(N2):V(CO):V(CH4):V(CO2):V(H2O) 24.61:0.25:1.53:0.08:70.09:3.42, the pressure was normal pressure, and the temperature after heat exchange was normal temperature.
As shown in fig. 2, anode release gas is pressurized to 0.2MPa by a compression unit I, then cooled by a cooling unit I, enters a 5-tower hydrogen concentration pressure swing adsorption unit at 35 ℃ for hydrogen concentration, and adopts a 2-tower adsorption, 2-step pressure equalization and evacuation regeneration process; the adsorption tower adopts a composite adsorption bed of two adsorbents, namely activated alumina and activated carbon. The purity of the hydrogen is concentrated from 24.6 percent to 88 percent by a hydrogen concentration pressure swing adsorption unit.
The low-pressure crude hydrogen passing through the hydrogen concentration pressure swing adsorption unit enters a compression unit II to be compressed to 0.7MPa, then is cooled through a cooling unit II, enters a 6-tower pressure swing adsorption purification unit at the temperature of 35 ℃, and is subjected to pressure swing adsorption hydrogen extraction by adopting a one-section method, tower adsorption 1, pressure equalization 3 times and evacuation regeneration; the adsorption tower adopts a composite adsorption bed of activated alumina, activated carbon and molecular sieve. Purifying the hydrogen to 99.999% (v/v) by a pressure swing adsorption purification unit, wherein the trace impurities meet the hydrogen standard for the hydrogen fuel cell.
The desorbed gas of the hydrogen concentration pressure swing adsorption unit and the pressure swing adsorption purification unit is mixed and then returns to the carbonate fuel cell to participate in electrochemical reaction, and the recovery rate of hydrogen reaches 77.6 percent.
Example 3
The method comprises the following steps that (1) gas released by an anode of the carbonate fuel cell stack is pressurized to 0.3MPa by a compression unit I, then is cooled by a cooling unit I, enters a 5-tower hydrogen concentration pressure swing adsorption unit at the temperature of 35 ℃ for hydrogen concentration, adopts 2-tower adsorption, 2-step pressure equalization and evacuation regeneration technology; the adsorption tower adopts a composite adsorption bed of two adsorbents, namely activated alumina and activated carbon. The purity of hydrogen is concentrated from 24.6 percent to 92.0 percent through the pressure swing adsorption concentration process.
The low-pressure crude hydrogen passing through the hydrogen concentration pressure swing adsorption unit enters a compression unit II to be compressed to 1.6MPa, then is cooled through a cooling unit II, enters a 6-tower pressure swing adsorption purification unit at the temperature of 35 ℃, and is subjected to pressure swing adsorption hydrogen extraction by adopting a one-section method, tower adsorption 1, pressure equalization 3 times and flushing regeneration; the adsorption tower adopts a composite adsorption bed of activated alumina, activated carbon and molecular sieve. Purifying the hydrogen by a pressure swing adsorption purification unit until the hydrogen is purified to 99.999 percent (v/v), and the trace impurities meet the hydrogen standard for the hydrogen fuel cell.
The desorbed gas of the hydrogen concentration pressure swing adsorption unit and the pressure swing adsorption purification unit is mixed and then returns to the carbonate fuel cell to participate in electrochemical reaction, and the recovery rate of hydrogen reaches 75.3 percent.
the above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A system for efficiently preparing hydrogen for a hydrogen fuel cell by anode gas of the fuel cell is characterized by comprising the fuel cell, a compression unit I, a hydrogen concentration pressure swing adsorption unit, a compression unit II and a pressure swing adsorption purification unit which are sequentially communicated; the hydrogen concentration pressure swing adsorption unit and the pressure swing adsorption purification unit are communicated with the fuel cell.
2. The system for efficiently producing hydrogen for a fuel cell according to claim 1, wherein the pressure swing adsorption purification unit comprises a pressure swing adsorption hydrogen purification unit and a pressure swing adsorption hydrogen purification unit.
3. The system for efficiently producing hydrogen for a fuel cell according to claim 2, wherein the pressure swing adsorption hydrogen purification unit is in communication with the fuel cell, and the pressure swing adsorption hydrogen purification unit is in communication with the compression unit i.
4. The system for efficiently preparing hydrogen for the hydrogen fuel cell according to the anode gas of the fuel cell as claimed in claim 1, wherein a cooling unit I is further arranged between the compression unit I and the hydrogen concentration pressure swing adsorption unit, and a cooling unit II is further arranged between the compression unit II and the pressure swing adsorption purification unit.
5. the system for efficiently producing hydrogen for a hydrogen fuel cell according to claim 1, wherein the fuel cell is a carbonate fuel cell.
6. The system for efficiently producing hydrogen gas for a hydrogen fuel cell according to claim 1, wherein the hydrogen concentration pressure swing adsorption unit employs a low pressure adsorption evacuation regeneration process in which the number of adsorption towers is 5 or more, and the adsorption towers employ a composite adsorption bed of activated alumina and activated carbon adsorbent.
7. The system for efficiently producing hydrogen for a hydrogen fuel cell according to claim 2, wherein the pressure swing adsorption hydrogen purification unit has a number of adsorption towers of 5 or more, and the adsorption towers use a composite adsorption bed of activated alumina, activated carbon and molecular sieve adsorbents.
8. The system for efficiently preparing hydrogen for the hydrogen fuel cell according to claim 2, wherein the number of the adsorption towers of the pressure swing adsorption hydrogen purification unit is greater than or equal to 4, and the adsorption towers adopt a composite adsorption bed of activated carbon and molecular sieve or a molecular sieve single-layer adsorption bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324314.5U CN209786090U (en) | 2019-03-14 | 2019-03-14 | System for efficiently preparing hydrogen for hydrogen fuel cell by anode gas of fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324314.5U CN209786090U (en) | 2019-03-14 | 2019-03-14 | System for efficiently preparing hydrogen for hydrogen fuel cell by anode gas of fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209786090U true CN209786090U (en) | 2019-12-13 |
Family
ID=68797736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920324314.5U Active CN209786090U (en) | 2019-03-14 | 2019-03-14 | System for efficiently preparing hydrogen for hydrogen fuel cell by anode gas of fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209786090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921073A (en) * | 2019-03-14 | 2019-06-21 | 四川天一科技股份有限公司 | Anode of fuel cell gas efficiently produces the method and system of hydrogen fuel cell hydrogen |
-
2019
- 2019-03-14 CN CN201920324314.5U patent/CN209786090U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921073A (en) * | 2019-03-14 | 2019-06-21 | 四川天一科技股份有限公司 | Anode of fuel cell gas efficiently produces the method and system of hydrogen fuel cell hydrogen |
| CN109921073B (en) * | 2019-03-14 | 2023-11-03 | 西南化工研究设计院有限公司 | Method and system for efficiently preparing hydrogen for hydrogen fuel cell by anode gas of fuel cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109092010B (en) | Method for recycling waste gas in LED-MOCVD process through full-temperature-range pressure swing adsorption hydrogen extraction | |
| CN108310909B (en) | Method for extracting H2 from CO-containing purified terephthalic acid tail gas through pressure swing adsorption | |
| CN109173583B (en) | Medium-temperature vacuum pressure swing adsorption system and method | |
| CN110015647B (en) | Method for extracting nitrogen from hydrogen absorption gas generated in tail gas extraction and reutilization in MOCVD (metal organic chemical vapor deposition) process | |
| CN114857856A (en) | System and method for synchronously recovering nitrogen and carbon dioxide from boiler flue gas | |
| CN113830735A (en) | Medium-temperature purification hydrogen production method and equipment for reforming hydrocarbon fuel and fuel cell energy supply system | |
| CN209786090U (en) | System for efficiently preparing hydrogen for hydrogen fuel cell by anode gas of fuel cell | |
| CN109921073B (en) | Method and system for efficiently preparing hydrogen for hydrogen fuel cell by anode gas of fuel cell | |
| CN113416131A (en) | Method and device for preparing methyl formate and purifying natural gas by carbon capture of gas power plant | |
| WO2021232663A1 (en) | System and method for producing hydrogen from biogas in sewage treatment plant | |
| CN201410351Y (en) | Argon purification unit | |
| CN114712984B (en) | Substitution process for recycling CO2 through full-temperature-range pressure swing adsorption for amine absorption decarburization in natural gas SMB hydrogen production | |
| CN217323380U (en) | System for utilize nitrogen trifluoride byproduct to retrieve high-purity hydrogen energy | |
| CN115140718A (en) | Helium separation and recovery system and method based on membrane separation, pressure swing adsorption and electrochemical hydrogen pump coupling | |
| CN114408860B (en) | Efficient and energy-saving ammonia cracking hydrogen production method | |
| CN217498681U (en) | Hydrogen energy recovery and purification device based on technology fusion in natural gas liquefaction process | |
| CN215208468U (en) | Hydrogen purification system in chlor-alkali tail gas | |
| CN214243809U (en) | System for producing hydrogen and coproducing LNG (liquefied Natural gas) by using raw gas | |
| CN214422763U (en) | Water electrolysis hydrogen production pure oxygen recycle device | |
| CN212292791U (en) | Sewage treatment plant marsh gas hydrogen production system | |
| CN109971521B (en) | Method for concentrating and separating methane in low-concentration coal bed gas | |
| CN210663575U (en) | Food-grade carbon dioxide preparation system | |
| CN112023619B (en) | Process for concentrating carbon monoxide by blast furnace gas | |
| CN102530857A (en) | Method for producing hydrogen gas by using acetic acid tail gas | |
| CN1508064A (en) | Method for preparing high-purity nitrogen gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610041 No. 5 Chengdu hi tech Zone Innovation Service Center Patentee after: Haohua Chemical Technology Group Co.,Ltd. Address before: No. 5 high tech Zone Gaopeng road in Chengdu city of Sichuan Province in 610041 Patentee before: SICHUAN TIANYI SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200715 Address after: No. 5 high tech Zone Gaopeng road in Chengdu city of Sichuan Province in 610041 Patentee after: SOUTHWEST RESEARCH & DESIGN INSTITUTE OF CHEMICAL INDUSTRY Address before: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610041 No. 5 Chengdu hi tech Zone Innovation Service Center Patentee before: Haohua Chemical Technology Group Co.,Ltd. |