CN210426080U - Integrated heating furnace with pressure device - Google Patents
Integrated heating furnace with pressure device Download PDFInfo
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- CN210426080U CN210426080U CN201921307861.9U CN201921307861U CN210426080U CN 210426080 U CN210426080 U CN 210426080U CN 201921307861 U CN201921307861 U CN 201921307861U CN 210426080 U CN210426080 U CN 210426080U
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- heating furnace
- pressurizing device
- fuel cell
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Abstract
The utility model discloses an integrated heating furnace with a pressurizing device, which comprises the pressurizing device, a structural support body and a heating furnace chamber, wherein the pressurizing device is arranged at the top of the structural support body, the heating furnace chamber is arranged in the middle of the structural support body, the output end of the pressurizing device extends into the heating furnace chamber, a supporting plate and a pressing plate are arranged in the heating furnace chamber, a fuel cell stack is arranged between the pressing plate and the supporting plate, an output mechanism of the pressurizing device passes through the furnace wall of the heating furnace chamber, the pressing plate is connected with the output mechanism of the pressurizing device, and a channel for a reaction gas pipeline to enter the heating furnace chamber is arranged on the heating furnace chamber; the pressurizing device is arranged on the heating furnace, so that the pressure in the roasting process of the fuel cell stack can be ensured to be continuously stable, the optimal pressure applied to the fuel cell stack can be kept, the problems of sedimentation and sealing of the fuel cell stack in the roasting process are solved, and the related performance of the fuel cell stack can be more accurately obtained; and in the whole process, manual operation of operators is not needed, so that the problem of overlarge pressure or insufficient pressure of the manual operation is avoided, and the personal safety of the operators is ensured.
Description
Technical Field
The utility model belongs to fuel cell sintering experiment field and fuel cell gas control heating field, concretely relates to take pressure device's integration heating furnace.
Background
The Molten Carbonate Fuel Cell (MCFC) is a clean and efficient power generation device, can directly convert chemical energy stored in fuel and oxidant into electric energy through electrochemical reaction, has the advantages of high efficiency, low carbon emission, relatively low cost and the like, and can be widely applied.
In the process of generating electricity, the molten carbonate fuel cell needs to be pressurized at two ends of the cell, and a screw fastening mode is generally adopted after the cell is assembled, so that the problem of cell settlement in the roasting process of the cell is not considered, the working pressure of the cell is insufficient, the sealing of the cell is insufficient, and the gas leakage phenomenon is caused, so that the performance of the cell is influenced; the current way of compensating pressure is to screw the bolts of the cell stack baked in a high temperature furnace, but the method has the problems of insecurity, high temperature scald and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a take pressure device's integration heating furnace at the in-process of galvanic pile calcination and work, through using pressure device, solves the problem of "subsiding" among the calcination process to guarantee molten carbonate fuel cell generating efficiency's best operating pressure.
In order to realize the above-mentioned purpose, the utility model discloses a technical scheme be, a take pressure device's integration heating furnace, including pressure device, structure support body and heating furnace, pressure device sets up the top at the structure support body, heating furnace sets up the middle part at the structure support body, pressure device's output stretches into in the heating furnace, be provided with backup pad and clamp plate among the heating furnace, fuel cell piles and sets up between clamp plate and backup pad, pressure device's output mechanism passes heating furnace's oven, pressure device's output mechanism is connected to the clamp plate, set up on the heating furnace and supply the reactant gas pipeline to get into the inside passageway of heating furnace.
The pressurizing device comprises a cylinder, a gas reversing valve, a pressure regulating valve, an air inlet pipe and an air compression pump; the input end of the cylinder is connected with an air inlet pipe, the pressure regulating valve and the gas reversing valve are sequentially arranged on the air inlet pipe along the flow direction of gas, and the air inlet pipe is communicated with an outlet of the air compression pump; the cylinder sets up at the top of structural support body, and the clamp plate is connected to the piston rod free end of cylinder.
The pressurizing device comprises a hydraulic cylinder and a hydraulic station, the free end of a piston rod of the hydraulic cylinder is connected with the pressing plate, the output end of the hydraulic station is connected with the input end of the hydraulic cylinder, and the hydraulic cylinder is arranged at the top of the structural support body.
The output mechanism of the pressurizing device is provided with a heat dissipation device, the heat dissipation device comprises a heat dissipation block and a heat dissipation fan, the output mechanism of the pressurizing device penetrates through the center of the heat dissipation block, heat dissipation fins are arranged on the periphery of the heat dissipation block, and the heat dissipation fan is arranged on the outer side of the heat dissipation block.
The shapes of the pressure plate and the support plate are the same as the cross section of the fuel cell stack, and the areas of the pressure plate and the support plate are not smaller than the cross section of the fuel cell stack.
The heating furnace wire is arranged on the inner side wall of the heating hearth and connected with the temperature controller, the temperature controller controls the heating power and the switch of the heating furnace wire, and the temperature controller is arranged on the lower portion of the structural support body.
A thermocouple is arranged in the heating furnace and is connected with the input end of the temperature controller.
An opening on a furnace door of the heating furnace chamber is used as a channel for the reaction gas pipeline to enter the heating furnace chamber, and heat insulation cotton is arranged in the opening.
The bottom of the structural support body is provided with universal wheels.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the pressurizing device is arranged on the heating furnace, so that the continuous and stable pressure in the roasting process of the fuel cell stack can be ensured, the pressure can be applied to the fuel cell stack, and the sealing problem caused by 'sedimentation' and 'sedimentation' of the fuel cell stack in the roasting process is solved, so that the cell can more accurately obtain the relevant performance of the fuel cell stack; after organic matters in the electrolyte membrane and the cathode and anode sealing frame of the fuel cell stack are completely volatilized after sintering, gaps exist among all the parts, and the fuel cell stack can be settled under the action of self weight; and in the whole process, manual operation of operators is not needed, so that the problem of overlarge pressure or insufficient pressure of the manual operation is avoided, and the personal safety of the operators is ensured.
Furthermore, the pressurizing device adopts the air cylinder, the pneumatic pressurizing reaction is rapid, the pneumatic bearing capacity is generally below 1KPa, for the experiment of the low-power fuel cell, the pneumatic pressurizing device is relatively simple in control connection, generally uses a quick-connection plug for connection, is convenient to maintain, generally adopts centralized air supply, and has the advantages of low use cost and the like.
Furthermore, the pressurizing device adopts an oil cylinder, the bearing capacity of hydraulic pressurization is larger than that of starting pressurization, hydraulic pressure is generally used at 30KPa, larger driving force can meet the pressurizing requirement of a high-power fuel cell stack, and the hydraulic control has the advantages of high operation precision, stable output, easy increase of output pressure and the like compared with pneumatic control.
Furthermore, the output mechanism of the pressurizing device is provided with the heat dissipation device, so that the temperature rise of the pressurizing device can be prevented from affecting the safety and reliability of the pressurizing device, and meanwhile, the inaccurate pressurizing caused by the temperature rise is avoided.
Furthermore, the shapes of the pressure plate and the support plate are the same as the cross section of the fuel cell stack, so that the areas of the pressure plate and the support plate can be reduced to the maximum extent, and a uniform pressurizing effect can be obtained.
Furthermore, the output power of the heating furnace wire is automatically controlled by a temperature controller, so that the test is more convenient, and the temperature control is more accurate.
Furthermore, a channel for the reaction gas pipeline to enter the heating hearth is arranged at the furnace door, the operation is convenient when the reaction gas pipeline is conveyed to be connected with the fuel cell stack, and the heat insulation cotton is arranged to prevent the heat in the heating hearth from dissipating and is beneficial to maintaining the uniform temperature in the heating hearth.
Furthermore, a thermocouple is arranged in the heating hearth to reflect the temperature in the hearth to the temperature controller in real time.
Further, the bottom of the structural support body is provided with universal wheels, and when needed, the structure support is convenient to move.
Drawings
Fig. 1 is a schematic structural diagram of the present invention:
wherein 1, a cylinder; 2. a gas reversing valve; 3. a pressure regulating valve; 4. an air inlet pipe; 5. a heat sink; 6. pressing a plate; 7. a fuel cell stack; 8. a fire-resistant insulating layer; 9. heating furnace wires; 10. a structural brace body; 11. a reactant gas flow controller; 12. a temperature controller;
Detailed Description
Embodiments of the invention are further described below with reference to the accompanying drawings:
the utility model provides a take pressure device's integration heating furnace, including pressure device, structure support body 10 and heating furnace, pressure device sets up the top at structure support body 10, heating furnace sets up the middle part at structure support body 10, pressure device's output stretches into heating furnace, be provided with backup pad and clamp plate 6 among the heating furnace, fuel cell pile 7 sets up between clamp plate 6 and backup pad, pressure device's output mechanism passes heating furnace's oven, pressure device's output mechanism is connected to clamp plate 6.
The output mechanism of the pressurizing device is provided with a heat dissipation device 5, the heat dissipation device 5 comprises a heat dissipation block and a heat dissipation fan, the output mechanism of the pressurizing device penetrates through the center of the heat dissipation block, heat dissipation fins are arranged on the periphery of the heat dissipation block, and the heat dissipation fan is arranged on the heat dissipation fins.
As an optional embodiment of the present invention, the pressurizing device includes a cylinder 1, a gas reversing valve 2, a pressure regulating valve 3, an air inlet pipe 4 and an air compression pump; the input end of the cylinder 1 is connected with an air inlet pipe 4, the pressure regulating valve 3 and the gas reversing valve 2 are sequentially arranged on the air inlet pipe 4 along the flow direction of gas, and the air inlet pipe 4 is communicated with the outlet of the air compression pump; the cylinder 1 is arranged at the top of the structural support body 10, and the free end of a piston rod of the cylinder 1 is connected with the pressing plate 6; during the test and operation of the fuel cell stack 7, the air compression pump drives the cylinder 1 to provide pressure to the fuel cell stack 7.
The utility model discloses a pressure device can also adopt hydraulic system, and pressure device includes pneumatic cylinder and hydraulic pressure station, and clamp plate 6 is connected to the piston rod free end of pneumatic cylinder, and the input of pneumatic cylinder is connected to the output at hydraulic pressure station, and the pneumatic cylinder setting is at the top of structural support body 10.
The shape of the pressing plate 6 and the support plate are the same as the cross-sectional shape of the fuel cell stack 7, and the area of the pressing plate 6 and the support plate is not smaller than the cross-sectional shape of the fuel cell stack 7.
Wherein, the cylinder 1 is arranged at the top of the structural support body 10, the output end of the cylinder is connected with the pressure plate 6, and the pressure plate 6 is used for directly pressurizing the fuel cell stack 7; the piston rod of the cylinder 1 penetrates through the top of the structural support body 10 and extends into the hearth to be connected with the pressing plate 6.
The shape of the pressing plate 6 and the support plate are the same as the cross-sectional shape of the fuel cell stack 7, and the area of the pressing plate 6 and the support plate is not smaller than the cross-sectional shape of the fuel cell stack 7.
The piston rod is provided with a heat dissipation device 5, the heat dissipation device 5 comprises a heat dissipation block and a heat dissipation fan, the piston rod penetrates through the center of the heat dissipation block, heat dissipation fins are arranged on the periphery of the heat dissipation block, and the heat dissipation fan is arranged on the outer side of the heat dissipation block.
When the pressurizing device is driven by a cylinder, the gas reversing valve 2 adopts a SUODI cable base HV-02 manual pneumatic reversing valve; the pressure regulating valve 3 adopts an Iyuan AFR-2000 pressure regulating valve; the temperature controller adopts a Nissan electric SRS 14A type programmable PID regulator.
The heating furnace is arranged in the middle of the structural support body 10, the heating furnace wire 9 is arranged on the inner side wall of the heating furnace, a fireproof heat preservation layer 8 is arranged on the furnace wall of the heating furnace, the fuel cell stack 7 is arranged in the center of the heating furnace, the pressing plate 6 is arranged above the fuel cell stack 7, and the bottom of the fuel cell stack 7 is provided with the supporting plate; the heating furnace wire 9 is connected with a temperature controller 12, and the temperature controller 12 controls the heating power and the switch of the heating furnace wire 9; a reaction gas flow controller 11 and a temperature controller 12 are provided at the lower portion of the structural support body 10, the temperature controller 12 being for controlling the output power to the heater wire 9, and the reaction gas flow controller 11 being for controlling the flow of the reaction gas to the fuel cell stack 7.
As an embodiment of the utility model, the structural support body 10 adopts the frame type support, the crossbeam and the support column of frame type support adopt channel-section steel, square pipe or angle steel.
When the air cylinder is used, the air cylinder 1 is fixed on a top cross beam of the structural support body 10 through bolts, compressed air is introduced into the air inlet pipe 4, the pressure of the compressed air introduced into a pipeline is adjusted through the pressure adjusting valve 3, the air is controlled through the air reversing valve 2 to enable the air cylinder piston to move upwards, and the pressure plate 6 is lifted to the highest position; then the assembled fuel cell stack 7 is placed in the center position on the heating hearth platform, and then the gas is controlled by the gas reversing valve 2 to enable the cylinder piston to slowly descend, so that the pressure plate 6 descends to be in close contact with the top of the fuel cell stack 7; the air inlet pressure of the air cylinder 1 is adjusted by the pressure adjusting valve 3, the pressure plate 6 is lowered to the fastening pressure set before the fuel cell stack 7 is heated, and after the work is ready, the furnace door of the heating furnace chamber is closed; the heating furnace wire 9 is controlled by the temperature controller 12 to heat the fuel cell stack 7, so that the fuel cell stack 7 is heated to the working temperature, a reaction gas pipeline is introduced into the heating hearth from a channel formed in the heating hearth, the reaction gas is conveyed to the fuel cell stack 7 to carry out discharge test, and in the test process, the cylinder 1 always keeps a state of applying pressure to the fuel cell stack 7.
The lower part of the structural support body 10 of the utility model is also provided with a reaction gas flow controller 11, and the reaction gas input quantity of the fuel cell stack 7 is controlled by the reaction gas flow controller 11 to carry out discharge test; during the test, the cylinder 1 is kept in a state of being pressed against the fuel cell stack 7 at all times.
When the pressurizing device adopts an oil cylinder, the oil cylinder is fixed on a top cross beam of the structural support body 10 by using a bolt, the oil cylinder is connected with a hydraulic station, the hydraulic station controls a piston of the oil cylinder to move upwards, and the piston of the oil cylinder drives the pressing plate 6 to rise to the highest position; then the assembled fuel cell stack 7 is placed in the center of a support plate in a heating hearth, then a piston of an oil cylinder is controlled by a hydraulic station to slowly descend, so that a pressure plate 6 descends to be in close contact with the top of the fuel cell stack 7, the oil cylinder is controlled by the hydraulic station to continuously press the pressure plate 6 to a set fastening pressure before the fuel cell stack 7 is heated, and the work is ready; closing a furnace door of a heating furnace chamber, controlling a heating furnace wire 9 to heat the fuel cell stack 7 through a temperature controller 12, heating the fuel cell stack 7 to a working temperature, introducing a reaction gas pipeline into the heating furnace chamber from a channel formed in the heating furnace chamber, and conveying the reaction gas to the fuel cell stack 7 for a discharge test; during the test, the oil cylinder is kept in a state of pressing the fuel cell stack 7 at all times.
Claims (9)
1. The utility model provides a take pressure device's integration heating furnace, a serial communication port, including pressure device, structure support body (10) and heating furnace, pressure device sets up the top at structure support body (10), heating furnace sets up the middle part at structure support body (10), pressure device's output stretches into in the heating furnace, be provided with backup pad and clamp plate (6) among the heating furnace, fuel cell heap (7) set up between clamp plate (6) and backup pad, pressure device's output mechanism passes heating furnace's oven, pressure device's output mechanism is connected in clamp plate (6), set up on the heating furnace and supply the reactant gas pipeline to get into the inside passageway of heating furnace.
2. The integrated heating furnace with the pressurizing device according to claim 1, wherein the pressurizing device comprises a cylinder (1), a gas reversing valve (2), a pressure regulating valve (3), an air inlet pipe (4) and an air compression pump; the input end of the air cylinder (1) is connected with an air inlet pipe (4), the pressure regulating valve (3) and the gas reversing valve (2) are sequentially arranged on the air inlet pipe (4) along the gas flow direction, and the air inlet pipe (4) is communicated with the outlet of the air compression pump; the cylinder (1) is arranged at the top of the structural support body (10), and the free end of a piston rod of the cylinder (1) is connected with the pressing plate (6).
3. The integrated heating furnace with the pressurizing device according to claim 1, wherein the pressurizing device comprises a hydraulic cylinder and a hydraulic station, the free end of a piston rod of the hydraulic cylinder is connected with the pressing plate (6), the output end of the hydraulic station is connected with the input end of the hydraulic cylinder, and the hydraulic cylinder is arranged at the top of the structural support body (10).
4. The integrated heating furnace with the pressurizing device according to claim 1, wherein the output mechanism of the pressurizing device is provided with a heat dissipating device (5), the heat dissipating device (5) comprises a heat dissipating block and a heat dissipating fan, the output mechanism of the pressurizing device passes through the center of the heat dissipating block, heat dissipating fins are arranged around the heat dissipating block, and the heat dissipating fins are provided with the heat dissipating fan.
5. The integrated heating furnace with a pressurizing device according to claim 1, wherein the shape of each of the pressing plate (6) and the support plate is the same as the cross-sectional shape of the fuel cell stack (7), and the area of the pressing plate (6) and the support plate is not smaller than the cross-sectional shape of the fuel cell stack (7).
6. The integrated heating furnace with the pressurizing device according to claim 1, wherein the heating furnace wire (9) is arranged on the inner side wall of the heating hearth, the heating furnace wire (9) is connected with the output end of the temperature controller (12), the temperature controller (12) controls the heating power of the heating furnace wire (9) and the switch, and the temperature controller (12) is arranged at the lower part of the structural support body (10).
7. The integrated heating furnace with a pressurizing device according to claim 6, wherein a thermocouple is arranged in the heating hearth and is connected with the input end of the temperature controller (12).
8. The integrated heating furnace with the pressurizing device according to claim 1, wherein an opening on a furnace door of the heating hearth is used as a passage for the reaction gas to enter the interior of the heating hearth, and heat insulation cotton is arranged in the opening.
9. The integrated heating furnace with a pressurizing device according to claim 1, wherein the bottom of the structural support body (10) is provided with universal wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307861.9U CN210426080U (en) | 2019-08-13 | 2019-08-13 | Integrated heating furnace with pressure device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307861.9U CN210426080U (en) | 2019-08-13 | 2019-08-13 | Integrated heating furnace with pressure device |
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| CN210426080U true CN210426080U (en) | 2020-04-28 |
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| CN201921307861.9U Active CN210426080U (en) | 2019-08-13 | 2019-08-13 | Integrated heating furnace with pressure device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411218A (en) * | 2019-08-13 | 2019-11-05 | 中国华能集团清洁能源技术研究院有限公司 | A kind of integrated heating furnace with pressurizing device |
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2019
- 2019-08-13 CN CN201921307861.9U patent/CN210426080U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411218A (en) * | 2019-08-13 | 2019-11-05 | 中国华能集团清洁能源技术研究院有限公司 | A kind of integrated heating furnace with pressurizing device |
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