CN112522727A - Hydrogen production plant - Google Patents
Hydrogen production plant Download PDFInfo
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- CN112522727A CN112522727A CN202011390197.6A CN202011390197A CN112522727A CN 112522727 A CN112522727 A CN 112522727A CN 202011390197 A CN202011390197 A CN 202011390197A CN 112522727 A CN112522727 A CN 112522727A
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- hydrogen
- hydrogen production
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
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- 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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The present invention provides a hydrogen production apparatus comprising: the hydrogen production module is used for producing hydrogen in a water electrolysis mode and comprises hydrogen output ports for outputting hydrogen, and the hydrogen output ports of the hydrogen production modules are communicated with each other and are communicated with the hydrogen storage equipment; the upper computer is electrically connected with the hydrogen production modules and receives data on the hydrogen production modules, and the upper computer sets parameters of the hydrogen production modules and controls the hydrogen production modules to output or not output hydrogen respectively. Accordingly, the upper computer receives the data measured on the hydrogen production modules, and the parameters related to the hydrogen production of the hydrogen production modules can be adjusted, so that the hydrogen production modules are controlled by the upper computer at the same time. Meanwhile, the upper computer also controls whether any hydrogen production module in the plurality of hydrogen production modules outputs hydrogen, so that mutual interference among the hydrogen production modules due to the difference of working conditions and hydrogen production peak-to-peak periods can be avoided.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a hydrogen production device.
Background
The products of the hydrogen production device are hydrogen and oxygen, and the operating pressure is 1.0 MPa. The hydrogen is a flammable and explosive gas, oil substances can spontaneously combust in high-pressure pure oxygen, and the electrolyte for hydrogen production is pure water.
Due to the above characteristics, the hydrogen production apparatus has high demands for safety, corrosion resistance, and the like. At present, hydrogen production devices in the prior art are generally provided with instruments with corrosion resistance and explosion resistance, instruments and electrical equipment without explosion resistance are installed in a control room isolated on site, isolation measures are taken for the instruments without corrosion resistance, oil prohibition measures are taken for the instruments in contact with oxygen, and an operator can conveniently operate and monitor the hydrogen production device in the control room.
In view of this, document 1 (publication number: CN105278444A) discloses a hydrogen production device remote monitoring system, which includes a control cabinet PLC, an input end of the control cabinet PLC is electrically connected to an output end of a hydrogen production environment monitoring module, an output end of a first parallel connection port is electrically connected to an input end of a monitoring upper computer, an output end of a second parallel connection port is electrically connected to an input end of an industrial 3G wireless serial port transparent transmission module, an output end of the industrial 3G wireless serial port transparent transmission module is electrically connected to an input end of an internet database, and an output end of the internet database is electrically connected to an input end of a remote computer through a network server. The hydrogen production device remote monitoring system uploads real-time data of the running state of equipment to an internet server in a wireless mode by using a ubiquitous 3G communication network, so that professional technicians of manufacturers can access and monitor the real-time data.
In document 1, when a control cabinet and a hydrogen production environment monitoring module are used to control and monitor a hydrogen production device, the system is more suitable for the occasions of a single hydrogen production device. When a plurality of hydrogen production devices are controlled, the purity and flow rate of the output hydrogen are different due to factors such as working conditions, and adverse mutual influence may be generated among the hydrogen production devices under the condition of not carrying out proper management and control. For example, when the hydrogen production device is in a good working condition or at a cycle peak period of outputting hydrogen, a large amount of hydrogen is output at a high flow rate, so that the pressure of a pipeline connected with the hydrogen storage tank is large, the hydrogen production device with a small amount of output hydrogen is difficult to output hydrogen or generate airflow to recharge, and the overall hydrogen production efficiency of the system is reduced. In this case, the single hydrogen plant is difficult to systematically control in a modular fashion.
Disclosure of Invention
The invention aims to overcome the defect that hydrogen production devices in the prior art are difficult to coordinate hydrogen output by a plurality of single hydrogen production devices and are easy to influence each other, and provides a hydrogen production device which can effectively coordinate hydrogen production modules to output hydrogen with high efficiency.
The invention solves the technical problems through the following technical scheme:
a hydrogen production apparatus, comprising: the hydrogen production module, the hydrogen production module is through the mode preparation hydrogen of electrolytic water, the hydrogen production module is including the hydrogen output port that is used for exporting hydrogen, and is a plurality of the hydrogen production module the hydrogen output port communicates each other and stores up the equipment intercommunication with hydrogen, and the host computer, it is a plurality of to go up electromechanical connection the hydrogen production module, the host computer is received data on the hydrogen production module, the host computer is right the parameter of hydrogen production module is set for, and controls a plurality ofly respectively the hydrogen production module exports or does not export hydrogen. Accordingly, the upper computer receives the data measured on the hydrogen production modules, and the parameters related to the hydrogen production of the hydrogen production modules can be adjusted, so that the hydrogen production modules are controlled by the upper computer at the same time. Meanwhile, the upper computer also controls whether any hydrogen production module in the plurality of hydrogen production modules outputs hydrogen, so that mutual interference among the hydrogen production modules due to the difference of working conditions and hydrogen production peak-to-peak periods can be avoided.
Preferably, the hydrogen output ports of the hydrogen production modules are connected in parallel to a hydrogen main connecting pipe, and a check valve is arranged between the hydrogen output port and the hydrogen main connecting pipe. Therefore, the hydrogen production modules are butted through the hydrogen main connecting pipe, so that the hydrogen storage tank can be prevented from being directly connected with the hydrogen production modules independently, and the pipeline wiring is easy to manage. The check valve can prevent the gas in the hydrogen main connecting pipe from flowing back to each hydrogen production module. Meanwhile, the hydrogen production modules are connected in parallel to the hydrogen main connecting pipe, so that the difference of the hydrogen production modules in the process of outputting hydrogen caused by pipelines can be reduced, and the modular management is facilitated.
Preferably, the upper computer controls the hydrogen production modules to output hydrogen to the hydrogen bus-connecting pipe at set start-stop time. Because the hydrogen produced by each hydrogen production module is output to the hydrogen storage equipment such as the hydrogen storage tank, the input efficiency of the hydrogen storage equipment can be changed differently according to different storage stages and the gas pressure in the pipeline, and the hydrogen pressure in the pipeline can be kept relatively stable by setting the same or different starting and stopping time of the output hydrogen for each hydrogen production module, thereby reducing the mutual influence among the hydrogen production modules.
Preferably, the upper computer adjusts the starting and stopping time of the hydrogen production modules for outputting hydrogen to the hydrogen bus-bar pipe according to the hydrogen pressure value in the hydrogen bus-bar pipe. Therefore, the upper computer can set the starting and stopping time of the output hydrogen for each hydrogen production module according to the differentiated data fed back by each hydrogen production module. In addition, when the gas pressure in the hydrogen main connecting pipe is larger than a certain hydrogen production module on the other side of the check valve, the hydrogen production module cannot output hydrogen, so that the produced hydrogen easily flows back or is discharged to the outside, and the efficiency is reduced. And the pressure in the hydrogen main connecting pipe can be indirectly adjusted by controlling the starting and stopping time of the hydrogen output of each hydrogen production module, so that the condition is prevented.
Preferably, the hydrogen production module further comprises a water tank, a circulating pump and an electrolytic bath, wherein the circulating pump is respectively communicated with the water tank and the electrolytic bath and pumps water to circulate between the water tank and the electrolytic bath. In view of the above, because the pumping speed of circulating pump is controllable, circulate between water tank and electrolysis trough through circulating pump pumping electrolysis water, can be so that the speed of electrolysis water is controlled, and then the speed of adjustment hydrogen output, sequential control when the cooperation hydrogen is exported.
Preferably, the hydrogen production module further includes a hydrogen purity sensor, an evacuation outlet, an electromagnetic valve and a control unit, the electromagnetic valve is connected to the evacuation outlet, the hydrogen main pipe and the hydrogen output port, the hydrogen purity sensor detects the concentration of hydrogen generated in the electrolytic cell, the control unit is connected to the hydrogen purity sensor and the electrolytic cell, the control unit receives a signal of the hydrogen purity sensor, controls the electromagnetic valve when the concentration of hydrogen exceeds a preset hydrogen concentration threshold, and transmits hydrogen released by the electrolytic cell to the hydrogen output port, and controls the electromagnetic valve when the concentration of hydrogen is lower than the hydrogen concentration threshold, so that hydrogen released by the electrolytic cell is discharged from the evacuation outlet. Therefore, by controlling the electromagnetic valve, the progress of hydrogen output can be controlled under the condition that the purity of the produced hydrogen is ensured to meet the requirement.
Preferably, the control unit is further connected to the water tank and the circulation pump, and the control unit controls the circulation pump to be turned on or off according to whether the water level of the water tank exceeds a water level threshold. Hereby it is avoided that the circulation pump idles due to too low water level.
Preferably, after the circulating pump is started for a set time, the control unit controls the electrolytic cell to be electrified to produce hydrogen. Accordingly, the hydrogen production module can be made to electrolyze water at a suitable steady flow rate of water.
Preferably, the data received by the upper computer from the hydrogen production module comprises water level data in the water tank and the hydrogen concentration; and the upper computer receives an instruction from an input port and modifies the set time, the hydrogen concentration threshold and the water level threshold. Accordingly, the upper computer can be manually controlled by an operator through the input port, and the working state of the hydrogen production module can be adjusted through manually inputting parameters, so that the suitable preset hydrogen output starting and stopping time and period can be obtained.
Preferably, the control unit comprises a single chip microcomputer, the hydrogen production module is communicated with the upper computer through TCP/IP, and the upper computer is further connected with a modular fuel cell and/or a modular hydrogenation machine. Here, TCP/IP (Transmission Control Protocol/Internet Protocol) refers to a Protocol cluster that can realize information Transmission between a plurality of different networks. In the TCP/IP protocol, network addresses are uniformly distributed, and each device and terminal in the network have a unique address, so that each hydrogen production module can be efficiently and respectively controlled. The host computer is connected to modularization fuel cell and/or modularization hydrogenation machine, can carry out integrative management and control to the device that uses hydrogen.
The positive progress effects of the invention are as follows: the data measured on the hydrogen production modules are received by the upper computer, and the parameters related to the hydrogen production of the hydrogen production modules can be adjusted, so that the hydrogen production modules are controlled by the upper computer at the same time. Meanwhile, the upper computer also controls whether any hydrogen production module in the plurality of hydrogen production modules outputs hydrogen, so that mutual interference between the hydrogen production modules due to the difference of working conditions and hydrogen production peak-to-peak periods can be avoided, and the modularization of the hydrogen production modules is facilitated.
Drawings
FIG. 1 is a schematic diagram of a hydrogen production apparatus according to a preferred embodiment of the present invention.
FIG. 2 is a schematic diagram of the construction of a single hydrogen production module according to a preferred embodiment of the invention.
FIG. 3 is a schematic diagram of a plurality of hydrogen production modules according to a preferred embodiment of the invention.
Detailed Description
The invention will be more clearly and completely described by way of example in the following with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the hydrogen production apparatus of this embodiment, fig. 2 is a schematic structural diagram of a single hydrogen production module of this embodiment, and fig. 3 is a schematic structural diagram of a plurality of hydrogen production modules of this embodiment.
As shown in FIGS. 1 to 2, the hydrogen production apparatus according to the present invention includes: the hydrogen production module 20, the hydrogen production module 20 prepares hydrogen through the mode of electrolysis water, the hydrogen production module 20 is including the hydrogen output port 21 that is used for exporting hydrogen, the hydrogen output port 21 of a plurality of hydrogen production modules 20 communicates each other and communicates with hydrogen storage equipment 50, host computer 10, a plurality of hydrogen production modules 20 are connected to host computer 10 electricity, data on the hydrogen production module 20 is received to host computer 10, host computer 10 sets for the parameter of hydrogen production module 20 to control a plurality of hydrogen production modules 20 output or not export hydrogen respectively. Accordingly, the upper computer 10 receives the data measured on the hydrogen production modules 20, and can adjust the parameters related to the hydrogen production of the hydrogen production modules 20, so that the plurality of hydrogen production modules 20 are simultaneously controlled by the upper computer 10. Meanwhile, the upper computer 10 also controls whether the hydrogen production module 20 of any one of the hydrogen production modules 20 outputs hydrogen, so that mutual interference between the hydrogen production modules 20 due to the difference of working conditions and hydrogen production peak-to-peak periods can be avoided.
As shown in fig. 3, the hydrogen output ports 21 of the hydrogen production modules 20 are connected in parallel to a hydrogen header 30, and a check valve (not shown) is disposed between the hydrogen output ports 21 and the hydrogen header 30. Accordingly, the hydrogen production modules 20 are butted through the hydrogen main connecting pipe 30, so that the hydrogen storage equipment 50 can be prevented from being directly connected with the hydrogen production modules 20 independently, and the pipeline wiring is easy to manage. The back flow of gas from within the hydrogen main 30 back to each hydrogen production module 20 is avoided by the provision of a check valve. Meanwhile, the hydrogen production modules 20 are connected in parallel to the hydrogen main connecting pipe 30, so that the difference of the hydrogen production modules 20 in the process of outputting hydrogen caused by pipelines can be reduced, and the modular management is facilitated.
Specifically, the hydrogen storage device 50 is a hydrogen storage tank. Meanwhile, in the present embodiment, the hydrogen production module 20 further includes an oxygen output port 22 for outputting oxygen. Likewise, the oxygen output port 22 of each hydrogen production module 20 is connected to the oxygen manifold 40 so that oxygen can be delivered through the oxygen manifold 40 to the oxygen storage device 60 connected to the oxygen manifold 40 for storage. In other embodiments, the oxygen produced by the hydrogen production module 20 from the electrolysis of water may be directly vented.
Further, the upper computer 10 controls the plurality of hydrogen production modules 20 to output hydrogen to the hydrogen main connecting pipe 30 at a set start-stop time. Because the hydrogen produced by each hydrogen production module 20 is output to the hydrogen storage device 50 such as a hydrogen storage tank, the input efficiency of the hydrogen storage device 50 can be changed differently according to different storage stages and the gas pressure in the pipeline, and the hydrogen pressure in the pipeline can be kept relatively stable by setting the same or different starting and stopping time of the output hydrogen for each hydrogen production module 20, thereby reducing the mutual influence among the hydrogen production modules 20.
Further, the upper computer 10 adjusts the start-stop time of the hydrogen production modules 20 outputting hydrogen to the hydrogen main header 30 according to the hydrogen pressure value in the hydrogen main header 30. Accordingly, the upper computer 10 can individually set the start-stop time of outputting hydrogen for each hydrogen production module 20 according to the differentiated data fed back by each hydrogen production module 20. In addition, when the gas pressure in the hydrogen header 30 is greater than a certain hydrogen production module 20 on the other side of the check valve, the hydrogen production module 20 cannot output hydrogen, which easily causes the produced hydrogen to flow back or to be discharged to the outside to reduce efficiency. The pressure in the hydrogen manifold 30 can be indirectly adjusted by controlling the start and stop times of the hydrogen output of the hydrogen production modules 20, thereby preventing the above-mentioned situation.
As shown in fig. 2, the hydrogen production module 20 further includes a water tank 26, a circulation pump (not shown) and an electrolytic bath 25, wherein the circulation pump is respectively communicated with the water tank 26 and the electrolytic bath 25 and pumps water to circulate between the water tank 26 and the electrolytic bath 25. Accordingly, because the pumping speed of the circulating pump is controllable, the water for electrolysis pumped by the circulating pump circulates between the water tank 26 and the electrolytic bath 25, so that the speed of the electrolyzed water is controlled, the rate of hydrogen output is adjusted, and the timing sequence control is matched with the hydrogen output.
Preferably, the hydrogen production module 20 further includes a hydrogen purity sensor (not shown), an evacuation outlet 24, an electromagnetic valve 23, and a control unit, wherein the electromagnetic valve 23 is connected to the evacuation outlet 24, the hydrogen main pipe 30, and the hydrogen output port 21, the hydrogen purity sensor detects the concentration of hydrogen generated in the electrolytic cell 25, the control unit is electrically connected to the hydrogen purity sensor and the electrolytic cell 25, the control unit receives a signal from the hydrogen purity sensor, controls the electromagnetic valve 23 to deliver hydrogen released from the electrolytic cell 25 to the hydrogen output port 21 when the hydrogen concentration exceeds a preset hydrogen concentration threshold, and controls the electromagnetic valve 23 to discharge hydrogen released from the electrolytic cell 25 through the evacuation outlet 24 when the hydrogen concentration is lower than the hydrogen concentration threshold. Accordingly, by controlling the electromagnetic valve 23, the progress of hydrogen output can be controlled under the condition that the purity of the produced hydrogen is ensured to meet the requirement.
Specifically, in the present embodiment, the electrolytic bath 25 is communicated to the hydrogen gas output port 21, and the hydrogen purity sensor is provided on a pipe of the solenoid valve 23 near one end of the electrolytic bath 25. The solenoid valve 23 is a three-way solenoid valve, one end of which is communicated with the evacuation outlet 24, the other end of which is communicated with the hydrogen gas output port 21, and the other end of which is communicated with the hydrogen gas main connecting pipe 30. When the hydrogen purity reaches above the hydrogen concentration threshold, the electromagnetic valve 23 communicates the hydrogen main pipe 30 with the hydrogen output port 21. Otherwise, when the measured hydrogen purity is below the hydrogen concentration threshold, hydrogen is discharged to the outside through the purge outlet 24.
Further, the control unit is also connected to the water tank 26 and the circulation pump, and the control unit controls the circulation pump to be turned on or off according to whether the water level of the water tank 26 exceeds a water level threshold. Hereby it is avoided that the circulation pump idles due to too low water level.
Further, after the circulating pump is started for a set time, the control unit controls the electrolytic tank to be electrified to produce hydrogen. Accordingly, hydrogen production module 20 may be made to electrolyze water at a suitable steady flow rate of water. In the present embodiment, the set time is 10 seconds.
Further, the data received by the upper computer 10 from the hydrogen production module 20 includes water level data in the water tank and hydrogen concentration; the upper computer 10 receives an instruction from an input port, and modifies the set time, the hydrogen concentration threshold value, and the water level threshold value. Accordingly, the upper computer 10 can be manually controlled by an operator through the input port, and can adjust the working state of the hydrogen production module 20 through manually inputting parameters, so as to facilitate obtaining suitable preset hydrogen output start-stop time and period.
Further, referring to fig. 1, the control unit includes a single chip, the hydrogen production module 20 communicates with the upper computer 10 through TCP/IP, and the upper computer 10 is further connected with a modular fuel cell 70 and a modular hydrogenation unit 80. Here, TCP/IP (Transmission Control Protocol/Internet Protocol) refers to a Protocol cluster that can realize information Transmission between a plurality of different networks. In the TCP/IP protocol, network addresses are uniformly distributed, and each device and terminal in the network have a unique address, so that each hydrogen production module 20 can be efficiently and respectively controlled. The host computer 10 is connected to the modular fuel cell and/or the modular hydrogenation machine, and can integrally control a device using hydrogen.
In other embodiments, the upper computer 10 may be connected to only the modular fuel cell 70, rather than the modular hydrogenation engine, depending on the application.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A hydrogen production apparatus, comprising:
the hydrogen production module is used for producing hydrogen in a water electrolysis mode and comprises hydrogen output ports for outputting hydrogen, and the hydrogen output ports of the hydrogen production modules are mutually communicated and are communicated with hydrogen storage equipment;
the upper computer is electrically connected with the hydrogen production modules and receives data on the hydrogen production modules, and the upper computer sets parameters of the hydrogen production modules and controls the hydrogen production modules to output or not output hydrogen respectively.
2. The hydrogen production apparatus as claimed in claim 1,
the hydrogen output ports of the hydrogen production modules are connected to a hydrogen main connecting pipe in parallel, and check valves are arranged between the hydrogen output ports and the hydrogen main connecting pipe.
3. The hydrogen production apparatus as claimed in claim 2,
and the upper computer controls the hydrogen production modules to output hydrogen to the hydrogen bus-bar pipe at set starting and stopping time.
4. The hydrogen production apparatus as claimed in claim 2,
and the upper computer controls to adjust the starting and stopping time of the hydrogen production modules for outputting hydrogen to the hydrogen bus-connected pipe according to the hydrogen pressure value in the hydrogen bus-connected pipe.
5. The hydrogen production apparatus as claimed in claim 2,
the hydrogen production module also comprises a water tank, a circulating pump and an electrolytic bath,
the circulating pump is respectively communicated with the water tank and the electrolytic bath and pumps water to circulate between the water tank and the electrolytic bath.
6. The hydrogen production apparatus as claimed in claim 5,
the hydrogen production module also comprises a hydrogen purity sensor, an emptying outlet, an electromagnetic valve and a control unit,
the solenoid valve is connected to the evacuation outlet, the hydrogen gas header pipe, and the hydrogen gas output port,
the hydrogen purity sensor detects the concentration of hydrogen gas generated in the electrolytic cell,
the control unit is connected to the hydrogen purity sensor and the electrolytic cell,
the control unit receives the signal of the hydrogen purity sensor and controls the electromagnetic valve to convey the hydrogen released by the electrolytic cell to the hydrogen output port when the hydrogen concentration exceeds a set hydrogen concentration threshold value,
and when the hydrogen concentration is lower than the hydrogen concentration threshold value, controlling the electromagnetic valve to discharge the hydrogen released by the electrolytic cell from the emptying outlet.
7. The hydrogen production apparatus as claimed in claim 6,
the control unit is further connected to the water tank and the circulation pump,
the control unit controls the circulating pump to be started or closed according to whether the water level of the water tank exceeds a water level threshold value.
8. The hydrogen production apparatus as claimed in claim 7,
and after the circulating pump is started for a set time, the control unit controls the electrolytic cell to be electrified to produce hydrogen.
9. The hydrogen production apparatus as claimed in claim 8,
the data received by the upper computer from the hydrogen production module comprises water level data in the water tank and the hydrogen concentration;
and the upper computer receives an instruction from an input port and modifies the set time, the hydrogen concentration threshold and the water level threshold.
10. The hydrogen production apparatus as claimed in claim 9,
the control unit comprises a single chip microcomputer, the hydrogen production module is communicated with the upper computer through TCP/IP, and the upper computer is further connected with a modular fuel cell and/or a modular hydrogenation machine.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113981466A (en) * | 2021-09-14 | 2022-01-28 | 广东卡沃罗氢科技有限公司 | Closed space hydrogen concentration monitoring and automatic adjusting method, device and system |
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| CN111020615A (en) * | 2020-01-06 | 2020-04-17 | 深圳市科力恩生物医疗有限公司 | Device and method for outputting hydrogen and oxygen at intervals |
| CN211339701U (en) * | 2020-01-06 | 2020-08-25 | 深圳市科力恩生物医疗有限公司 | Device for outputting hydrogen and oxygen at intervals |
| CN111214071A (en) * | 2020-02-27 | 2020-06-02 | 深圳品谱科技有限公司 | Hydrogen-constant hydrogen cup |
| CN111585297A (en) * | 2020-06-12 | 2020-08-25 | 阳光电源股份有限公司 | Direct-current coupling hydrogen production system and control method thereof |
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| CN113981466A (en) * | 2021-09-14 | 2022-01-28 | 广东卡沃罗氢科技有限公司 | Closed space hydrogen concentration monitoring and automatic adjusting method, device and system |
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