CN115682578A - System for be used for graphite cake cooling - Google Patents
System for be used for graphite cake cooling Download PDFInfo
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- CN115682578A CN115682578A CN202211319471.XA CN202211319471A CN115682578A CN 115682578 A CN115682578 A CN 115682578A CN 202211319471 A CN202211319471 A CN 202211319471A CN 115682578 A CN115682578 A CN 115682578A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to the technical field of graphite plate cooling, in particular to a system for cooling a graphite plate, which is connected with an external motor and comprises a conveying table, a bin and a cold air unit; the conveying table comprises a conveying belt and a conveying frame; the motor is electrically connected with the conveying belt, and the conveying frame is movably connected with the conveying belt; the bin is arranged at the top of the conveying frame, an air inlet is formed in the top of the inlet of the bin, and an air outlet is formed in the top of the outlet of the bin; the inlet and the outlet of the bin are respectively provided with a lifting door; the top of the bin is also provided with a cold air unit, and the cold air unit is connected with the bin through a cold air pipeline. The system for cooling the graphite plate has the advantages of simple operation, low investment cost and great improvement of efficiency; the structure is simple, the improvement is easy, the labor intensity is reduced, the production yield is improved, and the quality stability and the consistency of products are ensured.
Description
Technical Field
The invention relates to the technical field of graphite plate cooling, in particular to a system for cooling a graphite plate.
Background
The bipolar plate is one of the core components of the PEMFC, and mainly functions to transport gas through a flow field on the surface, collect and conduct current, heat and water generated by the reaction. According to different material types, the weight of the PEMFC pile accounts for about 60-80% of the PEMFC pile, and the cost accounts for about 30%. According to the functional requirements of the bipolar plate, the electrochemical reaction environment of the PEMFC is considered to be acidic, so that the bipolar plate has high requirements on electrical conductivity, air tightness, mechanical properties, corrosion resistance and the like. The current bipolar plate is mainly divided into a graphite plate, a composite plate and a metal plate according to materials, the graphite bipolar plate is the most common bipolar plate of the domestic PEMFC at present, and has good performances such as electrical conductivity, thermal conductivity, stability, corrosion resistance and the like, but the problems of relatively poor mechanical property, brittleness, difficult machining, higher cost and the like trouble domestic manufacturers. The graphite bipolar plate is made in China, most of the graphite bipolar plate is machined, and foreign manufacturers can directly adopt a die-casting forming or expanded graphite forming production mode.
The manufacturing method of the flexible mould pressing graphite plate in the prior art comprises the step of forming the flexible graphite plate, wherein the graphite plate after mould pressing has a warping phenomenon, so that the graphite plate needs to be thermally leveled, the temperature of a tool after thermal leveling is extremely high, and the graphite plate needs to be displayed and placed for natural ventilation cooling due to the material characteristics. At present, the cooling mode of the graphite plate is to use a fan to blow and cool the graphite plate placed on the rack, however, the disadvantage of the method is that: (1) the occupied area is large; (2) longer cooling time; (3) the labor intensity of workers is high; (4) the working efficiency is low; (5) there is a risk of the worker being scalded by high temperature.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a system for cooling a graphite plate, which is connected to an external motor, and comprises a conveying table, a bin, a cold air pipeline, and a cold air unit; the conveying table comprises a conveying belt and a conveying frame; the motor is electrically connected with the conveying belt, and the conveying frame is movably connected with the conveying belt; the bin is arranged at the top of the conveying frame, an air inlet is formed in the top of the inlet of the bin, and an air outlet is formed in the top of the outlet of the bin; the inlet and the outlet of the bin are respectively provided with a lifting door; the top of the bin is also provided with a cold air unit, and the cold air unit is connected with the bin through a cold air pipeline. The system for cooling the graphite plate has the advantages of simple operation, low investment cost and great improvement of efficiency; and the structure is simple, the increase and the transformation are easy, compared with the manual operation, the manual operation has the advantages of reducing the labor intensity of workers, improving the production yield and ensuring the stable quality and the consistency of products.
The purpose of the invention can be realized by the following technical scheme:
the first purpose of the invention is to provide a system for cooling a graphite plate, which is connected with an external motor and comprises a conveying table, a bin and a cold air unit;
the conveying table comprises a conveying belt and a conveying frame; the conveying belt is arranged on the conveying frame, and the motor is connected with the conveying belt and used for driving the conveying belt to rotate; the bin is arranged at the top of the conveying frame, the top of the inlet of the bin is provided with an air inlet, and the top of the outlet of the bin is provided with an air outlet; the inlet and the outlet of the bin are respectively provided with a lifting door; the top of the bin is also provided with a cold air unit, and the cold air unit is connected with the bin through a cold air pipeline;
the conveyer belt is used for conveying the graphite plates after hot pressing, and the conveyer belt passes through the bin when rotating.
In one embodiment of the invention, the cooling air pipeline is provided with a plurality of cooling air pipelines.
In one embodiment of the invention, different cold air ducts are connected in parallel with the cold air unit.
In one embodiment of the invention, a fan for homogenizing air is provided inside the bin.
In one embodiment of the invention, the fans are arranged at intervals, and the distance between adjacent fans is 0.8-1.2m.
In one embodiment of the invention, the length of the chamber is 4-10m.
In one embodiment of the invention, a carrying belt for holding the graphite plates is arranged on the conveying belt.
In one embodiment of the invention, the carrier belts are arranged at intervals along the length direction of the conveying belt, and the distance between the adjacent carrier belts is 0.4-0.6m.
A second object of the invention is to provide a cooling method for a system for cooling graphite plates, comprising the steps of:
(1) Putting the graphite plate after thermal leveling on a bearing belt, starting a motor, and conveying the bearing belt to an inlet of a bin;
(2) Lifting the lifting door at the inlet of the chamber, falling the lifting door at the inlet of the chamber after the bearing belt completely enters the chamber, and cooling the graphite plate by cold air in the chamber;
(3) When the bearing belt is conveyed to the outlet, the lifting door at the inlet of the bin is lifted, and after the bearing belt is completely conveyed out of the bin, the lifting door at the outlet of the bin falls down to finish the cooling of the graphite plate.
In one embodiment of the invention, the conveying form of the conveying belt is step conveying, and the conveying speed is 150mm/min.
In one embodiment of the invention, the temperature of the graphite sheet at the outlet is reduced to 26-30 ℃.
The invention combines the bin and the conveying platform, the graphite plate after thermal leveling is conveyed forwards step by step through the conveying belt, the high-temperature graphite plate after entering the bin exchanges heat with low-temperature air in the bin, thereby obtaining a linear cooling effect, and as new thermal leveling graphite plates are continuously fed inwards step by step at the inlet of the bin, the cooled graphite plates at the outlet can be discharged simultaneously. The dynamic matching of multiple factors such as an air inlet, an air outlet, a cold air unit, a cold air pipeline, a fan, continuous forward conveying and the like enables the graphite plate with hot leveling to be efficiently and linearly cooled in the bin.
Compared with the prior art, the invention has the following beneficial effects:
the system for cooling the graphite plate has the advantages of simple operation, low investment cost and great improvement of efficiency; and the structure is simple, the improvement is easy to increase, compared with manual operation, the advantages of reducing the labor intensity of workers, improving the production yield and ensuring the stable quality and consistency of products are achieved.
Drawings
Figure 1 is an elevational view of a system for graphite plate cooling of the present invention;
figure 2 is a rear view of a system for graphite plate cooling of the present invention;
reference numbers in the figures: 1. a carriage; 2. a conveyor belt; 3. a carrier tape; 4. a bin; 5. an air inlet; 6. an air outlet; 7. a first lift gate; 8. a second lift gate; 9. a cold air unit; 10. a cold air pipeline; 11. a fan; 12. an electric motor.
Detailed Description
The invention provides a system for cooling a graphite plate, which is connected with an external motor and comprises a conveying table, a bin and a cold air unit, wherein the conveying table is arranged on the bin;
the conveying table comprises a conveying belt and a conveying frame; the conveying belt is arranged on the conveying frame, and the motor is connected with the conveying belt and used for driving the conveying belt to rotate; the bin is arranged at the top of the conveying frame, an air inlet is formed in the top of the inlet of the bin, and an air outlet is formed in the top of the outlet of the bin; the inlet and the outlet of the bin are respectively provided with a lifting door; the top of the bin is also provided with a cold air unit, and the cold air unit is connected with the bin through a cold air pipeline;
the conveyer belt is used for conveying the graphite plate after hot pressing, and the conveyer belt passes through the bin chamber when rotating.
In one embodiment of the invention, the cooling air pipeline is provided with a plurality of cooling air pipelines.
In one embodiment of the invention, different cold air ducts are connected in parallel with the cold air unit.
In one embodiment of the invention, a fan for homogenizing air is provided inside the bin.
In one embodiment of the invention, the fans are arranged at intervals, and the distance between adjacent fans is 0.8-1.2m.
In one embodiment of the invention, the length of the chamber is 4-10m.
In one embodiment of the invention, a carrying belt for holding the graphite plates is arranged on the conveying belt.
In one embodiment of the invention, the carrier belts are arranged at intervals along the length direction of the conveying belt, and the distance between the adjacent carrier belts is 0.4-0.6m.
The invention provides a cooling method for a graphite plate cooling system, which comprises the following steps:
(1) Putting the graphite plate after thermal leveling on a bearing belt, starting a motor, and conveying the bearing belt to an inlet of a bin;
(2) Lifting the lifting door at the inlet of the bin, falling the lifting door at the inlet of the bin after the bearing belt completely enters the bin, and cooling the graphite plate by cold air in the bin;
(3) When the bearing belt is conveyed to the outlet, the lifting door at the inlet of the bin is lifted, and after the bearing belt is completely conveyed out of the bin, the lifting door at the outlet of the bin falls down to finish the cooling of the graphite plate.
In one embodiment of the invention, the conveyor belt conveying is in the form of step conveying with a conveying speed of 150mm/min.
In one embodiment of the invention, the temperature of the graphite sheet at the outlet is reduced to 26-30 ℃.
The invention combines the bin and the conveying platform, the graphite plate after thermal leveling is conveyed forwards step by step through the conveying belt, the high-temperature graphite plate after entering the bin exchanges heat with low-temperature air in the bin, thereby obtaining a linear cooling effect, and as new thermal leveling graphite plates are continuously fed inwards step by step at the inlet of the bin, the cooled graphite plates at the outlet can be discharged simultaneously. The dynamic matching of multiple factors such as the air inlet, the air outlet, the cold air pipeline, the fan, continuous forward conveying and the like enables the graphite plate with the heat leveling to be efficiently and linearly cooled in the bin.
The invention is described in detail below with reference to the figures and specific embodiments.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.
Example 1
The embodiment provides a system for cooling a graphite plate, which is connected with an external motor 12, and as shown in fig. 1-2, comprises a conveying table, a bin 4 and a cooling unit 9; the conveying platform comprises a conveying belt 2 and a conveying frame 1; the conveyer belt 2 is arranged on the conveyer frame 1, the motor 12 is connected with the conveyer belt 2 and is used for driving the conveyer belt 2 to rotate, the conveyer belt 2 is provided with bearing belts 3 used for containing the graphite plates after heat leveling at intervals, and the distance between every two adjacent bearing belts 3 is 0.4-0.6m; the bin 4 is 4-10m long and is arranged at the top of the conveying frame 1, the top of the inlet of the bin 4 is provided with an air inlet 5, and the top of the outlet is provided with an air outlet 6; a first lifting door 7 is arranged at the inlet of the chamber 4, and a second lifting door 8 is arranged at the outlet; the top of the bin 4 is also provided with a cold air unit 9, and the cold air unit 9 is connected with the bin 4 through a plurality of cold air pipelines 10 connected in parallel to provide cold air for the bin 4; a plurality of fans 11 for homogenizing air are arranged in the bin 4 (the fans 11 are connected with independent motors arranged on the fans 11), and the distance between the adjacent fans 11 is 0.8-1.2m.
Example 2
The embodiment provides a cooling method for a graphite plate cooling system, which comprises the following steps:
(1) 5 graphite plates after thermal leveling are placed on a bearing belt 3, a motor 12 is started, and the bearing belt 3 is conveyed to an inlet of a bin 4 (6 m in length) along a conveying belt 2;
(2) The first lifting door 7 is lifted, the lifting door falls down after the bearing belt 3 completely enters the bin 4, and the graphite plate is cooled by cold air in the bin 4;
(3) When the bearing belt 3 is conveyed to the outlet of the bin 4, the second lifting door 8 is lifted, the bearing belt 3 is completely conveyed out of the bin 4, then the lifting door falls down to complete the cooling of the graphite plates, and the temperature of the graphite plates at the outlet is reduced to 26-30 ℃.
The graphite plate after thermal leveling is transported forwards step by a conveyer belt 2, and the conveying speed is 150mm/min; get into the graphite cake of 4 back high temperatures of bin and carry out heat exchange with the low temperature air in the bin 4 to cool off, because bin 4 import department has new hot flattening graphite cake constantly to the inside step-by-step feeding of bin 4, so the exit also can have the graphite cake of cooling completion to carry out the ejection of compact in step.
When the external temperature is higher than 30 ℃, the air inlet 5 is closed, and the air cooling unit 9 is opened; when the temperature in the bin 4 is higher than 30 ℃, the air cooling unit 9 can be started; cold air generated by the air cooler unit 9 is conveyed to the cabin 4 through a cold air pipeline 10, and a fan 11 (in the graphite plate cooling process, the fan 11 is always in an operating state) arranged inside the cabin 4 is used for further homogenizing the temperature of air in the cabin 4 and accelerating the circulation of air in the cabin 4; when the bin 4 is closed, the interior of the bin 4 is in a negative pressure state;
the efficient cooling of the thermally leveled graphite plate in the bin 4 is realized through dynamic matching of multiple factors such as the air inlet 5, the air outlet 6, the cold air unit 9, the cold air pipeline 10, the fan 11, continuous forward conveying and the like.
The embodiments described above are intended to facilitate a person of ordinary skill in the art in understanding and using the invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art should make improvements and modifications without departing from the scope of the present invention in light of the explanation of the present invention.
Claims (10)
1. A system for cooling a graphite plate is connected with an external motor and is characterized by comprising a conveying table, a bin and a cold air unit;
the conveying table comprises a conveying belt and a conveying frame; the conveying belt is arranged on the conveying frame, and the motor is connected with the conveying belt and used for driving the conveying belt to rotate; the bin is arranged at the top of the conveying frame, an air inlet is formed in the top of the inlet of the bin, and an air outlet is formed in the top of the outlet of the bin; the inlet and the outlet of the bin are respectively provided with a lifting door; the top of the bin is also provided with a cold air unit, and the cold air unit is connected with the bin through a cold air pipeline;
the conveyer belt is used for conveying the graphite plates after hot pressing, and the conveyer belt passes through the bin when rotating.
2. A system for graphite plate cooling according to claim 1, wherein there are several of said cold air ducts.
3. A system for cooling graphite plates according to claim 2, characterised in that different cold air ducts are connected in parallel with the cold air unit.
4. A system for cooling graphite plates according to claim 1, wherein a fan for homogenizing air is provided inside the plenum.
5. A system for graphite plate cooling according to claim 4, wherein the fans are spaced apart by a number of 0.8-1.2m.
6. A system for graphite sheet cooling according to claim 1, wherein the length of the bin is 4-10m.
7. A system for cooling graphite plates according to claim 1, wherein the conveyor belt is provided with a carrier belt for holding graphite plates.
8. A system for cooling graphite plates according to claim 7, wherein the carrier belts are spaced apart along the length of the conveyor belt by a distance of 0.4-0.6m.
9. A method of cooling a system for cooling graphite plates as claimed in any one of claims 1 to 8, comprising the steps of:
(1) Putting the graphite plate after thermal leveling on a bearing belt, starting a motor, and conveying the bearing belt to an inlet of a bin;
(2) Lifting the lifting door at the inlet of the bin, falling the lifting door at the inlet of the bin after the bearing belt completely enters the bin, and cooling the graphite plate by cold air in the bin;
(3) When the bearing belt is conveyed to the outlet, the lifting door at the inlet of the bin is lifted, and after the bearing belt is completely conveyed out of the bin, the lifting door at the outlet of the bin falls down to finish the cooling of the graphite plate.
10. A method of cooling a system for cooling graphite plates according to claim 9, characterised in that the conveyor belt transport is a step transport with a transport speed of 150mm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211319471.XA CN115682578A (en) | 2022-10-26 | 2022-10-26 | System for be used for graphite cake cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211319471.XA CN115682578A (en) | 2022-10-26 | 2022-10-26 | System for be used for graphite cake cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115682578A true CN115682578A (en) | 2023-02-03 |
Family
ID=85099268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211319471.XA Pending CN115682578A (en) | 2022-10-26 | 2022-10-26 | System for be used for graphite cake cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115682578A (en) |
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2022
- 2022-10-26 CN CN202211319471.XA patent/CN115682578A/en active Pending
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