CN214477565U - Gas supply device for solid oxide battery - Google Patents
Gas supply device for solid oxide battery Download PDFInfo
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- CN214477565U CN214477565U CN202120633913.2U CN202120633913U CN214477565U CN 214477565 U CN214477565 U CN 214477565U CN 202120633913 U CN202120633913 U CN 202120633913U CN 214477565 U CN214477565 U CN 214477565U
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- gas
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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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- 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
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Abstract
The utility model provides a gas supply device for solid oxide cell, the water tank, two control by temperature change tables, three flowmeter and controller, with nitrogen gas, hydrogen and oxygen let in this flow arrangement respectively, nitrogen gas and hydrogen pass through the water tank, constitute the mist after mixing with the vapor in the water tank and flow out to the solid oxide cell as the fuel pole gas from the water tank, oxygen is as the air pole gas, through controller control nitrogen gas, the flow of hydrogen and oxygen, water tank temperature and mist temperature, through flowmeter feedback nitrogen gas, the actual flow of hydrogen and oxygen, and water tank temperature and mist temperature, can be controllable for solid oxide electrolytic cell supply flow, the controllable gas of temperature, the automatic control of gas supply has been realized, gas flow stability and temperature stability have been improved.
Description
Technical Field
The utility model relates to a solid oxide battery and automatic control technical field especially relate to a gas supply device for solid oxide battery.
Background
The solid oxide cell comprises a power generation (SOFC) and an electrolysis mode (SOEC), is a reversible substance/energy conversion device, has the characteristics of cleanness, high efficiency and the like, has the working temperature of 600-1000 ℃, and can use H2When the fuel is used for generating electricity, the water vapor can be electrolyzed into H2The electrical energy is stored in the form of fuel gas. Thus, a solid oxide cell includes an air electrode and a fuel electrode. Humidified fuel gas or hydrogen-containing steam (for electrolysis) is introduced into the fuel electrode, and an inert gas (such as nitrogen) is introduced as a balance gas as required. In this case, it is necessary to control the flow rates of the plurality of gases introduced into the fuel electrode.
At present, a device for providing water vapor, nitrogen, hydrogen and the like for a fuel electrode of a solid oxide cell is simple, cannot realize control and detection feedback of gas flow and gas temperature, and is low in automation degree and inconvenient to operate. For example, a conventional steam control device is a simple independent device, and only a flask is added in a water bath kettle to ensure that the temperature of water in the flask is stabilized at a required temperature, because the saturated vapor pressure of steam is different at different water temperatures, and the higher the temperature is, the higher the steam content is. However, factors such as the external environment affect the temperature of the water in the flask, resulting in inaccurate water vapor content.
SUMMERY OF THE UTILITY MODEL
To above-mentioned technical current situation, the utility model provides a gas supply device can provide the composite gas that flow stability, component can be adjusted accurately for solid oxide battery fuel pole according to actual need to provide the guarantee for solid oxide battery steady operation.
The utility model provides a technical scheme does: the multi-path gas supply device for the solid oxide cell comprises a first gas inlet 11, a second gas inlet 12, a third gas inlet 13, a water tank 20, a first gas flow meter 31, a second gas flow meter 32, a third gas flow meter 33, a first temperature control meter 41, a second temperature control meter 42, a controller 50, a first gas outlet 61 and a second gas outlet 62;
the first gas inlet 11 is used for introducing nitrogen, and the first gas flowmeter 31 is used for indicating the flow rate of the nitrogen;
the second gas inlet 12 is used for introducing hydrogen, and the second gas flow meter 32 is used for indicating the flow rate of the hydrogen;
the third gas inlet 13 is used for introducing oxygen, and the third gas flow meter 33 is used for indicating the flow rate of the oxygen;
a first gas outlet 61 for supplying a raw material gas to the solid oxide cell fuel electrode;
a second gas outlet 62 for providing gas to the solid oxide cell air electrode;
nitrogen is introduced from the first gas inlet 11 and then enters the water tank 20, hydrogen is introduced from the second gas inlet 12 and then enters the water tank 20, and mixed gas formed by the nitrogen, the hydrogen and water vapor in the water tank flows out of the water tank to the first gas outlet 61;
the first temperature control meter 41 is used for indicating the temperature of the water tank;
the second temperature control meter 42 is used for indicating the temperature of the mixed gas;
the controller 50 is used to control the flow rates of nitrogen, hydrogen, and oxygen, and to control the tank temperature and the mixed gas temperature.
Preferably, the gas flow device further comprises an input terminal, wherein the input terminal is connected with the controller and is used for inputting the required first gas flow, the required second gas flow, the required third gas flow, the required water tank temperature and the required mixed gas temperature, so that human-computer interaction is realized according to system functions and logic requirements. Further preferably, the input terminal is provided with a touch panel.
As one implementation mode, the controller is communicated with the input terminal through a serial port, and is preferably an RS-232 standard interface.
As an implementation manner, the controller is in serial port communication with the first temperature control meter and the second temperature control meter respectively, and preferably is an RS-485 standard interface.
In one implementation, the controller controls the gas flow rate of the flowmeter through an analog quantity signal, and reads the actual flow rate of the flowmeter through the analog quantity signal. Preferably, the analog quantity signal current is 4-20 mA.
The utility model discloses with the water tank, two control by temperature change tables, three flowmeter and controller constitute gas flow device, with nitrogen gas, hydrogen and oxygen let in this flow device respectively, nitrogen gas and hydrogen pass through the water tank, constitute the mist after mixing with the vapor in the water tank and flow to the raw material gas of solid oxide battery as the fuel utmost point from the water tank, through the steerable nitrogen gas of controller, the flow of hydrogen and oxygen, water tank temperature and mist temperature, but through three flowmeter feedback nitrogen gas, the actual flow of hydrogen and oxygen, and water tank temperature and mist temperature, thereby it is controllable to obtain the flow, the controllable solid oxide battery fuel utmost point mist of temperature, have following beneficial effect:
(1) the utility model discloses controller flowmeter establishes communication, can realize three kinds of gas flow's independent control, obtains the mist of vapor, nitrogen gas, hydrogen of different content proportions, can also set for the flow of three kinds of gases of different periods of time, and automatic modification parameter in the operation process realizes the multistage and multistage circulation logic control of gas flow;
(2) the utility model discloses the controller establishes communication with two control by temperature change tables, can realize the temperature control to water tank temperature and mist pipeline, and control mist vapor content, can also set for the setting value of control by temperature change table, when under the operating mode of difference, can start the automatically regulated function when control by temperature change is inaccurate, the PID parameter of control by temperature change table is revised in oneself study, guarantee temperature control's accuracy under current operating mode, can also monitor the state of actual temperature and control by temperature change table.
(3) The device for supplying the gas to the solid oxide battery is simplified, the automatic control of the device is realized, the gas flow stability and the temperature stability are greatly improved, the control precision of the temperature of the water tank and the temperature of the mixed gas can be guaranteed within the range of +/-0.1 ℃, and the control precision of the flow of the nitrogen, the hydrogen and the oxygen can be guaranteed within the range of +/-1% F.S.
Drawings
Fig. 1 is a schematic diagram of the structure of the control system of the present invention.
The reference numerals in fig. 1 are: the gas temperature control device comprises a first gas inlet 11, a second gas inlet 12, a third gas inlet 13, a water tank 20, a first gas flow meter 31, a second gas flow meter 32, a third gas flow meter 33, a first temperature control meter 41, a second temperature control meter 42, a controller 50, a first gas outlet 61 and a second gas outlet 62.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, wherein the following embodiments are provided to facilitate understanding of the present invention and do not limit the present invention.
Example 1:
in this embodiment, the gas supply device for a solid oxide cell is shown in fig. 1, and includes a first gas inlet 11, a second gas inlet 12, a third gas inlet 13, a water tank 20, a first gas flow meter 31, a second gas flow meter 32, a third gas flow meter 33, a first temperature control meter 41, a second temperature control meter 42, a controller 50, a first gas outlet 61, and a second gas outlet 62.
The first gas inlet 11 is used for introducing nitrogen gas, and the first gas flow meter 31 is used for indicating the flow rate of the first gas. The second gas inlet 12 is used for introducing hydrogen gas, and the second gas flow meter 32 is used for indicating the flow rate of the second gas. The third gas inlet 13 is used for introducing oxygen, and the third gas flow meter 33 is used for indicating the flow rate of the third gas.
The first gas outlet 61 is used to provide the mixed gas to the solid oxide cell fuel electrode. The second gas outlet 62 is used to provide gas to the solid oxide cell air electrode.
Nitrogen enters the water tank 20 after being introduced from the first gas inlet 11, hydrogen enters the water tank 20 after being introduced from the second gas inlet 12, and mixed gas formed by the nitrogen, the hydrogen and water vapor in the water tank flows out of the water tank to the first gas outlet 61.
The first temperature control gauge 41 is used to control the tank temperature. The second temperature control gauge 42 is used to control the pipeline temperature of the mixed gas.
The controller 50 is used to control the flow of nitrogen, hydrogen and oxygen, and to control the tank temperature and the temperature of the mixed gas flowing out of the tank.
In this embodiment, the gas supply device further includes an input terminal, the input terminal is connected to the controller, and the input terminal is provided with a touch screen for inputting the first gas flow, the second gas flow, the third gas flow, the water tank temperature and the mixed gas temperature flowing out of the water tank, which are required under different periods and different working conditions, so as to realize human-computer interaction according to system functions and logic requirements.
In this embodiment, the controller communicates with the input terminal through a serial RS-232 standard interface. The controller is communicated with the first temperature control meter and the second temperature control meter through serial ports RS-485 standard interfaces respectively. The controller controls the gas flow of the flowmeter through an analog quantity signal (the current is 4-20mA), and reads the actual flow of the flowmeter through the analog quantity signal (the current is 4-20 mA).
In this implementation, can set for the setting value of two control by temperature change tables, when under the operating mode of difference, can start the automatically regulated function when temperature control is inaccurate, and the PID parameter of revising the control by temperature change table is learnt by oneself, guarantees the accuracy of temperature control under current operating mode, can also monitor actual temperature and the state of control by temperature change table.
The implementation realizes the automatic control of the gas flow, not only can realize the independent control of the flow of three gases, but also realizes the multi-section and multi-section circulating logic control of the gas flow, sets different flow set values of the three gases at different time intervals, and automatically modifies parameters in the operation process.
The above-mentioned embodiment is to the technical solution of the present invention has been described in detail, it should be understood that the above is only the specific embodiment of the present invention, not used for limiting the present invention, any modification, supplement or similar mode replacement etc. that the principle scope of the present invention is in should be included in the protection scope of the present invention.
Claims (7)
1. A gas supply apparatus for a solid oxide cell, comprising: the gas temperature control device comprises a first gas inlet (11), a second gas inlet (12), a third gas inlet (13), a water tank (20), a first gas flowmeter (31), a second gas flowmeter (32), a third gas flowmeter (33), a first temperature control meter (41), a second temperature control meter (42), a controller (50), a first gas outlet (61) and a second gas outlet (62);
the first gas inlet (11) is used for introducing nitrogen, and the first gas flowmeter (31) is used for indicating the flow of the nitrogen;
the second gas inlet (12) is used for introducing hydrogen, and the second gas flowmeter (32) is used for indicating the flow of the hydrogen;
the third gas inlet (13) is used for introducing oxygen, and the third gas flowmeter (33) is used for indicating the flow rate of the oxygen;
a first gas outlet (61) for supplying a feed gas to the solid oxide cell fuel electrode;
a second gas outlet (62) for providing gas to the solid oxide cell air electrode;
nitrogen is introduced from the first gas inlet (11) and then enters the water tank (20), hydrogen is introduced from the second gas inlet (12) and then enters the water tank (20), and mixed gas consisting of the nitrogen, the hydrogen and water vapor in the water tank flows out of the water tank to the first gas outlet (61);
the first temperature control meter (41) is used for indicating the temperature of the water tank;
a second temperature control meter (42) for indicating the temperature of the mixed gas;
the controller (50) is used for controlling the flow of the nitrogen, the hydrogen and the oxygen, and controlling the temperature of the water tank and the temperature of the mixed gas.
2. The gas supply apparatus according to claim 1, wherein: the gas flow device further comprises an input terminal, wherein the input terminal is connected with the controller (50) and used for inputting the required first gas flow, the required second gas flow, the required third gas flow, the required water tank temperature and the required mixed gas temperature.
3. The gas supply apparatus according to claim 2, wherein: the input terminal is provided with a touch screen.
4. The gas supply apparatus according to claim 1, wherein: the controller (50) is in serial port communication with the input terminal.
5. The gas supply apparatus according to claim 4, wherein: and the controller (50) is communicated with the input terminal through a serial port RS-232 standard interface.
6. The gas supply apparatus according to claim 1, wherein: the controller (50) is in serial port communication with the first temperature control meter (41) and the second temperature control meter (42) respectively.
7. The gas supply apparatus according to claim 6, wherein: the controller (50) is communicated with the first temperature control meter (41) and the second temperature control meter (42) through serial ports RS-485 standard interfaces respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120633913.2U CN214477565U (en) | 2021-03-29 | 2021-03-29 | Gas supply device for solid oxide battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120633913.2U CN214477565U (en) | 2021-03-29 | 2021-03-29 | Gas supply device for solid oxide battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214477565U true CN214477565U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120633913.2U Active CN214477565U (en) | 2021-03-29 | 2021-03-29 | Gas supply device for solid oxide battery |
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| Country | Link |
|---|---|
| CN (1) | CN214477565U (en) |
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2021
- 2021-03-29 CN CN202120633913.2U patent/CN214477565U/en active Active
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