CN215163193U - Alkali liquor circulating system for fuel cell alkaline hydrogen production - Google Patents
Alkali liquor circulating system for fuel cell alkaline hydrogen production Download PDFInfo
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- CN215163193U CN215163193U CN202122665292.9U CN202122665292U CN215163193U CN 215163193 U CN215163193 U CN 215163193U CN 202122665292 U CN202122665292 U CN 202122665292U CN 215163193 U CN215163193 U CN 215163193U
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- fuel cell
- hydrogen production
- heating device
- temperature sensor
- alkali liquor
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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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Abstract
The utility model discloses an alkali lye circulation system for fuel cell basicity hydrogen manufacturing, including the hydrogen separator, the oxygen separator, the cooler, the circulating pump, heating device and electrolysis trough, heating device is including the shell, one side welding of shell has the feed liquor pipe, the opposite side welding of shell has the drain pipe, the inside of shell is provided with the inner bag, the outer wall of inner bag is provided with electric heater, the inside of inner bag is provided with two buffer memory jars, and two buffer memory jars communicate with feed liquor pipe and drain pipe respectively, the welding has a plurality of heat-conduction branch pipes between two buffer memory jars, temperature sensor one is installed to the inner wall of inner bag, install one-way solenoid valve one on the feed liquor pipe. The utility model discloses can preheat alkali lye to the target temperature in advance to improve the boot speed of equipment, be convenient for in time adjust and set up heating device's operating condition, can heat a large amount of alkali lye when tentatively heating, improve the stability that alkali lye circulation system used.
Description
Technical Field
The utility model relates to an alkaline water electrolysis hydrogen manufacturing technical field especially relates to an alkali lye circulation system for fuel cell alkaline hydrogen manufacturing.
Background
The existing water electrolysis hydrogen production equipment in the market is divided into two categories, namely 1 pure water hydrogen Production (PEM) 2 alkaline water electrolysis hydrogen production. Wherein 1 has a greater advantage in boot speed and operational stability than 2. In order to make up for the difference, the invention provides a novel alkali liquor circulating system in the alkali liquor hydrogen production equipment, and the technology is updated for more than 20 years ago. The functions of accelerating the starting speed and improving the stability of the equipment are achieved, and the starting time of the existing alkaline hydrogen production equipment has a direct relation with the temperature of the alkaline liquid. The resistance value of the alkali liquor is reduced along with the temperature rise, and the resistance value is the minimum when the temperature reaches about 80 ℃.
The invention discloses an alkaline liquor circulating system of an alkaline hydrogen production electrolytic cell, which comprises an alkaline electrolytic cell, an anode side gas-liquid separation kettle, a cathode side gas-liquid separation kettle, an anode side alkaline liquor circulating pump, a cathode side alkaline liquor circulating pump, a valve group and a connecting pipeline, wherein three different alkaline liquor circulating modes, namely a complete mixed mode, a partial mixed mode and a complete separation mode, can be realized by controlling the opening and closing of the valve group. The alkali liquor circulating system for the fuel cell alkaline hydrogen production disclosed above has the following problems: can not preheat alkali lye to the target temperature in advance to the boot speed that leads to equipment is relatively slow, is not convenient for in time adjust and set up heating device's operating condition, can not heat a large amount of alkali lye when tentatively heating, leads to the stability that alkali lye circulation system used relatively poor.
Therefore, there is a need to design an alkaline circulation system for fuel cell alkaline hydrogen production to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the alkali liquor can not be preheated to the target temperature in advance in the prior art, thereby leading to the relatively slow starting speed of the equipment, and providing an alkali liquor circulating system for the hydrogen production of the fuel cell alkalinity.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an alkali liquor circulating system for fuel cell alkaline hydrogen production comprises a hydrogen separator, an oxygen separator, a cooler, a circulating pump, a heating device and an electrolytic bath, the heating device comprises a shell, one side of the shell is welded with a liquid inlet pipe, the other side of the shell is welded with a liquid outlet pipe, an inner container is arranged in the shell, an electric heater is arranged on the outer wall of the inner container, two buffer tanks are arranged in the inner container, and the two buffer tanks are respectively communicated with the liquid inlet pipe and the liquid outlet pipe, a plurality of heat conduction branch pipes are welded between the two buffer tanks, the inner wall of the inner container is provided with a first temperature sensor, the liquid inlet pipe is provided with a first one-way electromagnetic valve, the liquid inlet pipe is internally provided with a second temperature sensor, the liquid outlet pipe is provided with a second one-way electromagnetic valve, and the liquid outlet pipe is internally provided with a third temperature sensor.
The key concept of the technical scheme is as follows: the alkali liquor can be preheated to the target temperature in advance, so that the starting speed of the equipment is increased.
Further, the controller is installed at the top of shell, touch display screen is installed in the front embedding of controller, the circuit board is installed through the bolt in the inside of controller, main control module and drive module have been welded at the top of circuit board.
Furthermore, the flange plate is welded at one end of the liquid inlet pipe and one end of the liquid outlet pipe, and a fixing hole is formed in one side of the flange plate.
Further, the input ends of the hydrogen separator and the oxygen separator are communicated with the output end of the electrolytic cell, and the output ends of the hydrogen separator and the oxygen separator are communicated with the input end of the cooler.
Furthermore, the output end of the cooler is communicated with the input end of the circulating pump, the output end of the circulating pump is communicated with the liquid inlet pipe on one side of the heating device, and the liquid outlet pipe on the other side of the heating device is communicated with the input end of the electrolytic bath.
Furthermore, the output ends of the first temperature sensor, the second temperature sensor and the third temperature sensor are electrically connected with the input end of the main control module through a conductive wire, and the input end of the main control module is electrically connected with the output end of the touch display screen through a conductive wire.
Furthermore, the output end of the main control module is electrically connected with the input end of the driving module through a conductive wire, the output end of the driving module is electrically connected with the input ends of the first one-way electromagnetic valve and the second one-way electromagnetic valve through a conductive wire, and the output end of the driving module is electrically connected with the input end of the touch display screen through a conductive wire.
The utility model has the advantages that:
1. through electric heater, heat-conducting branch pipe and the inner bag that sets up, electric heater can heat the electric heat oil in the inner bag, can heat alkali lye in the heat-conducting branch pipe and the alkali lye in the buffer memory jar during the electric heat oil heating, can preheat alkali lye to the target temperature in advance to the start speed of equipment has been improved.
2. Through the temperature sensor and the one-way solenoid valve that set up, temperature sensor one is used for monitoring the temperature of the inside electric hot oil of inner bag, and temperature sensor two-purpose is used for monitoring the temperature that alkali lye circulation flowed into heating device, and temperature sensor three-purpose is used for monitoring the temperature when alkali lye is exported, is convenient for in time adjust and set up heating device's operating condition, and one-way solenoid valve one and two can not only prevent against current, can control alkali lye business turn over heating device simultaneously.
3. Through the buffer memory jar and the ring flange that set up, relatively more alkali lye can be stored to the buffer memory jar, can heat a large amount of alkali lye simultaneously when tentatively heating, improves the stability that alkali lye circulation system used, and the ring flange is convenient for be connected heating device and corresponding pipeline.
4. Through the touch display screen that sets up, heating device can not only be controlled to the touch display screen, can show alkali lye circulation system's operating condition simultaneously, and the staff of being convenient for operates alkali lye circulation system.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an alkaline solution circulation system for the alkaline hydrogen production of a fuel cell according to the present invention;
FIG. 2 is a schematic structural view of a heating device of an alkaline solution circulation system for the alkaline hydrogen production of a fuel cell according to the present invention;
FIG. 3 is a schematic view of the internal structure of a heating device of an alkaline solution circulation system for the alkaline hydrogen production of a fuel cell according to the present invention;
FIG. 4 is a schematic structural view of a temperature sensor of an alkaline solution circulation system for alkaline hydrogen production of a fuel cell according to the present invention;
FIG. 5 is a schematic diagram of the internal structure of a controller of an alkali liquor circulation system for the alkaline hydrogen production of a fuel cell according to the present invention;
fig. 6 is a schematic diagram of the connection of the main control module of the alkali liquor circulation system for the alkaline hydrogen production of the fuel cell.
In the figure: the hydrogen-oxygen separator 1, the oxygen separator 2, the cooler 3, the circulating pump 4, the heating device 5, the electrolytic bath 6, the shell 7, the controller 8, the liquid inlet pipe 9, the liquid outlet pipe 10, the inner container 11, the electric heater 12, the buffer tank 13, the heat conduction branch pipe 14, the temperature sensor I15, the one-way electromagnetic valve I16, the temperature sensor II 17, the one-way electromagnetic valve II 18, the temperature sensor III 19, the flange plate 20, the fixing hole 21, the touch display screen 22, the circuit board 23, the main control module 24 and the driving module 25.
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 work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, an alkali liquor circulation system for fuel cell alkaline hydrogen production comprises a hydrogen separator 1, an oxygen separator 2, a cooler 3, a circulation pump 4, a heating device 5 and an electrolytic bath 6, wherein the heating device 5 comprises a shell 7, a liquid inlet pipe 9 is welded on one side of the shell 7, a liquid outlet pipe 10 is welded on the other side of the shell 7, an inner container 11 is arranged inside the shell 7, an electric heater 12 is arranged on the outer wall of the inner container 11, the electric heater 12 can heat electric heating oil in the inner container 11, alkali liquor in a heat conduction branch pipe 14 and alkali liquor in a buffer tank 13 can be heated when the electric heating oil is heated, the alkali liquor can be preheated to a target temperature in advance, so that the starting speed of the device is improved, two buffer tanks 13 are arranged inside the inner container 11, the buffer tanks 13 can store relatively more alkali liquor, and can heat a large amount of alkali liquor when the electric heating is performed preliminarily, the stability of the use of the alkali liquor circulating system is improved, the two buffer tanks 13 are respectively communicated with the liquid inlet pipe 9 and the liquid outlet pipe 10, a plurality of heat conduction branch pipes 14 are welded between the two buffer tanks 13, a first temperature sensor 15 is installed on the inner wall of the inner container 11, the first temperature sensor 15 is used for monitoring the temperature of electric heating oil in the inner container 11, a first one-way electromagnetic valve 16 is installed on the liquid inlet pipe 9, a second temperature sensor 17 is installed inside the liquid inlet pipe 9, the second temperature sensor 17 is used for monitoring the temperature of alkali liquor circularly flowing into the heating device 5, a second one-way electromagnetic valve 18 is installed on the liquid outlet pipe 10, the first one-way electromagnetic valve 16 and the second one-way electromagnetic valve 18 can not only prevent backflow, meanwhile, the alkali liquor can be controlled to enter and exit the heating device 5, the third temperature sensor 19 is arranged inside the liquid outlet pipe 10, and the third temperature sensor 19 is used for monitoring the temperature of the alkali liquor during output, so that the working state of the heating device can be adjusted and set in time.
The top of the shell 7 is provided with a controller 8, the front of the controller 8 is embedded with a touch display screen 22, the touch display screen 22 can not only control the heating device, but also display the working state of the alkali liquor circulating system, so that workers can conveniently operate the alkali liquor circulating system, the inside of the controller 8 is provided with a circuit board 23 through bolts, and the top of the circuit board 23 is welded with a main control module 24 and a driving module 25; one end of each of the liquid inlet pipe 9 and the liquid outlet pipe 10 is welded with a flange 20, the flange 20 is convenient for connecting the heating device 5 with a corresponding pipeline, and one side of the flange 20 is provided with a fixing hole 21; the input ends of the hydrogen separator 1 and the oxygen separator 2 are communicated with the output end of the electrolytic cell 6, and the output ends of the hydrogen separator 1 and the oxygen separator 2 are communicated with the input end of the cooler 3; the output end of the cooler 3 is communicated with the input end of the circulating pump 4, the output end of the circulating pump 4 is communicated with the liquid inlet pipe 9 at one side of the heating device 5, and the liquid outlet pipe 10 at the other side of the heating device 5 is communicated with the input end of the electrolytic bath 6; the output ends of the first temperature sensor 15, the second temperature sensor 17 and the third temperature sensor 19 are electrically connected with the input end of the main control module 24 through conductive wires, and the input end of the main control module 24 is electrically connected with the output end of the touch display screen 22 through conductive wires; the output end of the main control module 24 is electrically connected to the input end of the driving module 25 through a conductive wire, the output end of the driving module 25 is electrically connected to the input ends of the first unidirectional solenoid valve 16 and the second unidirectional solenoid valve 18 through a conductive wire, and the output end of the driving module 25 is electrically connected to the input end of the touch display screen 22 through a conductive wire.
The utility model discloses a theory of operation does: when the device is used, the heating device is controlled through the touch display screen 22, meanwhile, the touch display screen 22 can display the working state of the alkali liquor circulating system, a worker can conveniently operate the alkali liquor circulating system, when the device is started for several minutes, the electric heater 12 in the heating device 5 is started, the electric heater 12 can heat the electric heating oil in the inner container 11, the electric heating oil can heat the alkali liquor in the heat conduction branch pipe 14 and the alkali liquor in the cache tank 13 when being heated, the alkali liquor can be preheated to a target temperature in advance, so that the starting speed of the device is improved, the temperature of the electric heating oil in the inner container 11 is monitored by adopting the first temperature sensor 15, the second temperature sensor 17 is used for monitoring the temperature of the alkali liquor which circularly flows into the heating device 5, the third temperature sensor 19 is used for monitoring the temperature when the alkali liquor is output, and the working state of the heating device is conveniently adjusted and set in time, the one-way electromagnetic valve I16 and the one-way electromagnetic valve II 18 can not only prevent countercurrent, but also control the alkali liquor to enter and exit the heating device 5, when the alkali liquor is recycled, the buffer tank 13 can store relatively more alkali liquor, and simultaneously can heat a large amount of alkali liquor when primarily heating, thereby improving the stability of the alkali liquor circulating system.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. An alkali liquor circulating system for fuel cell alkaline hydrogen production comprises a hydrogen separator (1), an oxygen separator (2), a cooler (3), a circulating pump (4), a heating device (5) and an electrolytic bath (6), and is characterized in that the heating device (5) comprises a shell (7), a liquid inlet pipe (9) is welded on one side of the shell (7), a liquid outlet pipe (10) is welded on the other side of the shell (7), an inner container (11) is arranged inside the shell (7), an electric heater (12) is arranged on the outer wall of the inner container (11), two buffer tanks (13) are arranged inside the inner container (11), the two buffer tanks (13) are respectively communicated with the liquid inlet pipe (9) and the liquid outlet pipe (10), a plurality of heat conduction branch pipes (14) are welded between the two buffer tanks (13), and a first temperature sensor (15) is installed on the inner wall of the inner container (11), install one-way solenoid valve (16) on feed liquor pipe (9), the internally mounted of feed liquor pipe (9) has temperature sensor two (17), install one-way solenoid valve two (18) on drain pipe (10), the internally mounted of drain pipe (10) has temperature sensor three (19).
2. The alkali liquor circulation system for the alkaline hydrogen production of the fuel cell according to claim 1, wherein a controller (8) is installed at the top of the housing (7), a touch display screen (22) is installed on the front surface of the controller (8) in an embedded manner, a circuit board (23) is installed inside the controller (8) through bolts, and a main control module (24) and a driving module (25) are welded at the top of the circuit board (23).
3. The alkali liquor circulation system for the alkaline hydrogen production of the fuel cell as claimed in claim 1, wherein one end of the liquid inlet pipe (9) and one end of the liquid outlet pipe (10) are welded with flanges (20), and one side of the flanges (20) is provided with a fixing hole (21).
4. The lye circulation system for the alkaline hydrogen production of a fuel cell according to claim 1 wherein the input of the hydrogen separator (1) and the oxygen separator (2) are in communication with the output of the electrolysis cell (6) and the output of the hydrogen separator (1) and the oxygen separator (2) are in communication with the input of the cooler (3).
5. The lye circulation system for the alkaline hydrogen production of a fuel cell according to claim 1 wherein the output of the cooler (3) is connected to the input of a circulation pump (4), the output of the circulation pump (4) is connected to the inlet pipe (9) on one side of the heating device (5), and the outlet pipe (10) on the other side of the heating device (5) is connected to the input of the electrolysis cell (6).
6. The alkali liquor circulation system for the alkaline hydrogen production of the fuel cell as claimed in claim 2, wherein the output ends of the first temperature sensor (15), the second temperature sensor (17) and the third temperature sensor (19) are electrically connected with the input end of the main control module (24) through conductive wires, and the input end of the main control module (24) is electrically connected with the output end of the touch display screen (22) through conductive wires.
7. The alkali liquor circulation system for the alkaline hydrogen production of the fuel cell as claimed in claim 2, wherein the output end of the main control module (24) is electrically connected with the input end of the driving module (25) through an electric lead, the output end of the driving module (25) is electrically connected with the input ends of the one-way solenoid valve I (16) and the one-way solenoid valve II (18) through an electric lead, and the output end of the driving module (25) is electrically connected with the input end of the touch display screen (22) through an electric lead.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122665292.9U CN215163193U (en) | 2021-11-03 | 2021-11-03 | Alkali liquor circulating system for fuel cell alkaline hydrogen production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122665292.9U CN215163193U (en) | 2021-11-03 | 2021-11-03 | Alkali liquor circulating system for fuel cell alkaline hydrogen production |
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| CN215163193U true CN215163193U (en) | 2021-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115074765A (en) * | 2022-05-31 | 2022-09-20 | 同济大学 | Combined type alkali liquor tank and alkali water electrolysis hydrogen production system with same |
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2021
- 2021-11-03 CN CN202122665292.9U patent/CN215163193U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115074765A (en) * | 2022-05-31 | 2022-09-20 | 同济大学 | Combined type alkali liquor tank and alkali water electrolysis hydrogen production system with same |
| WO2023231348A1 (en) * | 2022-05-31 | 2023-12-07 | 同济大学 | Combined lye tank, and alkaline water electrolysis hydrogen production system having same |
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