阅读说明：本技术 一种石墨板浸胶机 (Graphite plate impregnator ) 是由 夏春鸿 胡湘娥 王月 郑佳琳 吴锐杰 师杰 于 2021-07-06 设计创作，主要内容包括：本发明公开了一种石墨板浸胶机,其技术方案的要点是包括有真空压力浸渍设备、冲洗固化设备和真空干燥罐设备,真空压力浸渍设备包括有一套储漆罐、两套浸漆罐、对浸漆罐和储漆罐抽真空的第一真空系统、对浸漆罐加压的加压系统、用于冷却储漆罐和浸漆罐的制冷系统、通风系统,冲洗固化设备包括两套清洗罐、一套水浴固化罐,真空干燥罐设备包括干燥罐、对干燥罐抽真空的第二真空系统、对干燥罐加热的加热系统、用于对抽出的高温气体降温排水的低温冷凝系统。本发明通过排水管并联连接两个清洗罐和水浴固化罐,通过排水泵抽出排掉,在罐内的水变成废水排掉之前,可利用该排水管将两个清洗罐和水浴固化罐的水循环充分使用,节省水资源。(The invention discloses a graphite plate impregnator, which is characterized by comprising vacuum pressure impregnation equipment, flushing and curing equipment and vacuum drying tank equipment, wherein the vacuum pressure impregnation equipment comprises a set of paint storage tank, two sets of paint impregnating tanks, a first vacuum system for vacuumizing the paint impregnating tanks and the paint storage tanks, a pressurizing system for pressurizing the paint impregnating tanks, a refrigerating system for cooling the paint storage tanks and the paint impregnating tanks, and a ventilating system, the flushing and curing equipment comprises two sets of cleaning tanks and a set of water bath curing tanks, the vacuum drying tank equipment comprises a drying tank, a second vacuum system for vacuumizing the drying tank, a heating system for heating the drying tank, and a low-temperature condensing system for cooling and draining pumped high-temperature gas. The water-bath solidification tank is connected with the two cleaning tanks in parallel through the drain pipe, the water is drained through the drain pump, and the water in the two cleaning tanks and the water in the water-bath solidification tank can be fully recycled by utilizing the drain pipe before the water in the tanks becomes waste water to be drained, so that water resources are saved.)

1. The utility model provides a graphite plate gumming machine which characterized in that: including vacuum pressure impregnation equipment, wash curing equipment and vacuum drying jar equipment, vacuum pressure impregnation equipment is including one set of storage paint tank (8), two sets of dip coating jar (9), to dip coating jar (9) and first vacuum system (1) of storage paint tank (8) evacuation, to dip coating jar (9) pressor pressurization system (2), refrigerating system (3), ventilation system (4) that are used for cooling storage paint tank (8) and dip coating jar (9), wash curing equipment and include two sets of washing jar (11), one set of water bath curing jar (12), vacuum drying jar equipment includes drying cylinder (13), to second vacuum system (5) of drying cylinder (13) evacuation, to heating system (6) of drying cylinder (13) heating, be used for low temperature condensation system (7) to the high temperature gas cooling drainage of taking out.

2. The graphite plate impregnator according to claim 1, characterized in that: the first vacuum system (1) comprises a first roots pump (101), a first rotary vane pump (102) and a first vacuum condenser (103), wherein the first roots pump (101) is respectively connected with the paint storage tank (8) and the two paint dipping tanks (9) through a first pipeline (104), and the other end of the first roots pump (101) is sequentially connected with the first vacuum condenser (103) and the first rotary vane pump (102) in series.

3. The graphite plate impregnator according to claim 1, characterized in that: the pressurizing system (2) comprises a screw air compressor (201), and the screw air compressor (201) is respectively connected with the two sets of paint dipping tanks (9) through second pipelines (202).

4. The graphite plate impregnator according to claim 1, characterized in that: the refrigerating system (3) comprises a water-cooled water chilling unit; store up paint storage tank (8) with be equipped with between paint dipping tank (9) and return paint pipeline (14), ventilation system (4) include first centrifugal fan (401), discharge separator (402), be equipped with respectively with two sets on first centrifugal fan (401) third pipeline (403) that paint dipping tank (9) link to each other, first centrifugal fan (401) still are equipped with exhaust pipe (404), discharge separator (402) are connected to on third pipeline (403) through fourth pipeline (405).

5. The graphite plate impregnator according to claim 1, characterized in that: an air cylinder (15) and a lifting platform (18) driven by the air cylinder are arranged on the cleaning tank (11), and the lifting platform (18) is arranged in an inner cavity of the cleaning tank (11); wash jar (11) one side and be equipped with inlet tube (17), drain pipe (16), inlet tube (17) respectively with wash jar (11), the upper portion of water bath solidification jar (12) is connected, the one end of drain pipe (16) divide into three respectively with wash jar (11), the bottom of water bath solidification jar (12) is connected, the other end connects drain pump (19) wash jar (11) and water bath solidification jar (12) the bottom is equipped with outlet (20), be equipped with the first suction pump (21) of taking out the water that washs jar (11) bottom to upper portion circulation use wash one side of jar (11) be equipped with first spray pipe (22) on the upper portion of washing jar (11), be equipped with second spray pipe (23) in the lower part of washing jar (11), first spray pipe (22), second spray pipe (23) link to each other with first suction pump (21), the first water spray pipe (22) is sequentially provided with a plurality of spray headers (24), the second water spray pipe (23) is sequentially provided with a plurality of bubble openings (25), and the orientations of the plurality of bubble openings (25) sequentially change towards clockwise or anticlockwise; a compressed air pipeline (26) is also arranged on one side of the bottom of the cleaning tank (11).

6. The graphite plate impregnator according to claim 5, wherein: one side of water bath solidification jar (12) is equipped with and takes out water to go second suction pump (27) of recycling use bottom water bath solidification jar (12), the upper portion of water bath solidification jar (12) is equipped with third spray pipe (28), third spray pipe (28) link to each other with second suction pump (27), third spray pipe (28) are equipped with a plurality of delivery ports (29) the upper portion and the lower part of water bath solidification jar (12) are equipped with thermodetector (30) respectively the bottom of water bath solidification jar (12) is equipped with heater strip (31), the top of water bath solidification jar (12) is equipped with pneumatic lid (33) the top of water bath solidification jar (12) is equipped with exhaust duct (32) that are used for discharging the vapor when uncapping.

7. The graphite plate impregnator according to claim 1, characterized in that: the second vacuum system (5) comprises a second roots pump (501) and a second rotary vane pump (502), the low-temperature condensation system (7) comprises a second vacuum condenser (701) and a water chilling unit (702) for providing cooling water for the second vacuum condenser (701), the second roots pump (501) is connected with the drying tank (13) through a fifth pipeline (503), the second roots pump (501) is connected with the second vacuum condenser (701) again, the second vacuum condenser (701) is connected with the second rotary vane pump (502) through a sixth pipeline (504), and the water chilling unit (702) is connected with the second vacuum condenser (701).

8. The graphite plate impregnator according to claim 7, characterized in that: heating system (6) including locating drying cylinder (13) jar wall's electric heating board, wind channel heater (601), second centrifugal fan (602), intake pipe (603), exhaust duct (32), wind channel heater (601) pass through intake pipe (603) respectively with drying cylinder (13) bottom links to each other, second centrifugal fan (602) pass through exhaust duct (32) are connected to the upper portion of drying cylinder (13), wind channel heater (601) pass through seventh pipeline (604) with second centrifugal fan (602) link to each other.

9. The graphite plate impregnator according to any one of claims 1 to 8, wherein: the impregnator also comprises a truss (34), and an electric hoist (35) is movably arranged on the truss (34).

10. The graphite plate impregnator according to any one of claims 1 to 8, wherein: the impregnator also includes a steel frame platform (36).

[ technical field ] A method for producing a semiconductor device

The invention relates to a graphite plate impregnator.

[ background of the invention ]

The existing graphite plate infiltration system is thick and heavy, and water vapor is directly discharged outwards, so that energy waste is caused; the common pot is adopted for gum dipping, a cleaning device is not needed, and the gum is easy to condense and block materials; the cleaning is not clean enough, redundant glue residues exist, and the product is unqualified; the existing cooling station has low cooling efficiency, and high temperature scald is easily caused when materials are manually taken.

The present invention has been made based on such a situation.

[ summary of the invention ]

The invention aims to overcome the defects of the prior art and provides an automatic graphite plate impregnator.

The invention is realized by the following technical scheme:

the utility model provides a graphite plate gumming machine which characterized in that: including vacuum pressure impregnation equipment, wash curing equipment and vacuum drying jar equipment, vacuum pressure impregnation equipment is including one set of storage paint tank 8, two sets of impregnating varnish jar 9, to impregnating varnish jar 9 and store up 8 first vacuum system 1 of evacuation of 8, to impregnating varnish jar 9 pressor pressurization system 2, be used for cooling down and store up 8 and impregnating varnish jar 9 refrigerating system 3, ventilation system 4, it includes two sets of washing jar 11, one set of water bath curing jar 12 to wash curing equipment, vacuum drying jar equipment includes drying cylinder 13, to 13 second vacuum system 5 of evacuation of drying cylinder, to the heating system 6 of 13 heats of drying cylinder, is used for the low temperature condensation system 7 to the high temperature gas cooling drainage of taking out.

The graphite plate impregnator is characterized in that: the first vacuum system 1 comprises a first roots pump 101, a first rotary vane pump 102 and a first vacuum condenser 103, wherein the first roots pump 101 is respectively connected with the paint storage tank 8 and the two paint dipping tanks 9 through a first pipeline 104, and the other end of the first roots pump 101 is sequentially connected with the first vacuum condenser 103 and the first rotary vane pump 102 in series.

The graphite plate impregnator is characterized in that: the pressurizing system 2 comprises a screw air compressor 201, and the screw air compressor 201 is respectively connected with the two sets of paint dipping tanks 9 through second pipelines 202.

The graphite plate impregnator is characterized in that: the refrigerating system 3 comprises a water-cooled water chilling unit; store up paint can 8 with be equipped with between the dip tank 9 and return paint pipeline 14, ventilation system 4 includes first centrifugal fan 401, discharge gas separator 402, be equipped with respectively with two sets on first centrifugal fan 401 the third pipeline 403 that dip tank 9 links to each other, first centrifugal fan 401 still is equipped with exhaust pipe 404, discharge gas separator 402 is connected to on the third pipeline 403 through fourth pipeline 405.

The graphite plate impregnator is characterized in that: the cleaning tank 11 is provided with an air cylinder 15 and a lifting platform 18 driven by the air cylinder, and the lifting platform 18 is arranged in the inner cavity of the cleaning tank 11; wash jar 11 one side and be equipped with inlet tube 17, drain pipe 16, inlet tube 17 respectively with wash jar 11, the upper portion of water bath solidification jar 12 is connected, the one end of drain pipe 16 divide into three respectively with wash jar 11 the bottom of water bath solidification jar 12 is connected, and water discharge pump 19 is connected to the other end wash jar 11 and the bottom of water bath solidification jar 12 is equipped with outlet 20 wash jar 11 and water bath solidification jar 12's bottom, wash jar 11 one side be equipped with the first suction pump 21 that takes out the water that washs jar 11 bottom to upper portion used cyclically, wash jar 11's upper portion be equipped with first spray pipe 22, be equipped with second spray pipe 23 in the lower part of wasing jar 11, first spray pipe 22, second spray pipe 23 link to each other with first suction pump 21 respectively, are equipped with a plurality of shower heads 24 on the first spray pipe 22 in proper order second spray pipe 23 is equipped with a plurality of bubble mouths 25 in proper order, the orientations of the plurality of bubble ports 25 are sequentially changed clockwise or counterclockwise; a compressed air pipeline 26 is also arranged at one side of the bottom of the cleaning tank 11.

The graphite plate impregnator is characterized in that: one side of water bath solidification jar 12 is equipped with and takes out the second suction pump 27 that goes recycling use with water bath solidification jar 12 bottom water, the upper portion of water bath solidification jar 12 is equipped with third spray pipe 28, third spray pipe 28 links to each other with second suction pump 27, third spray pipe 28 is equipped with a plurality of delivery ports 29 the upper portion and the lower part of water bath solidification jar 12 are equipped with thermodetector 30 respectively the bottom of water bath solidification jar 12 is equipped with heater strip 31, the top of water bath solidification jar 12 is equipped with pneumatic lid 33 the top of water bath solidification jar 12 is equipped with the exhaust duct 32 that is used for discharging the vapor when uncapping.

The graphite plate impregnator is characterized in that: the second vacuum system 5 includes a second roots pump 501 and a second rotary vane pump 502, the low-temperature condensation system 7 includes a second vacuum condenser 701 and a water chilling unit 702 for providing cooling water for the second vacuum condenser 701, the second roots pump 501 is connected with the drying tank 13 through a fifth pipeline 503, the second roots pump 501 is connected with the second vacuum condenser 701, the second vacuum condenser 701 is connected with the second rotary vane pump 502 through a sixth pipeline 504, and the water chilling unit 702 is connected with the second vacuum condenser 701.

The graphite plate impregnator is characterized in that: heating system 6 is including locating electrical heating board, wind channel heater 601, second centrifugal fan 602, intake pipe 603, exhaust duct 32 of drying cylinder 13 jar wall, wind channel heater 601 pass through intake pipe 603 respectively with drying cylinder 13 bottom links to each other, second centrifugal fan 602 passes through exhaust duct 32 is connected to the upper portion of drying cylinder 13, wind channel heater 601 pass through seventh pipeline 604 with second centrifugal fan 602 links to each other.

The graphite plate impregnator is characterized in that: the impregnator also comprises a truss 34, and an electric hoist 35 is movably arranged on the truss 34.

The graphite plate impregnator is characterized in that: the impregnator also includes a steel frame platform 36.

Compared with the prior art, the invention has the following advantages:

1. the invention adopts two paint dipping tanks and two cleaning tanks to work simultaneously, thereby greatly improving the working efficiency.

2. According to the graphite plate cleaning tank, the bubble ports at the bottom of the cleaning tank are arranged along the anticlockwise direction, the sprayed water can form a vortex, compressed air is adopted for aeration and stirring, the cleaning is cleaner, the plurality of spray heads are arranged along the periphery of the upper part of the cleaning tank and used for cleaning a graphite plate, and the cleaning tank has the cleaning and cleaning functions.

3. The water-bath solidification tank is connected with the two cleaning tanks in parallel through the drain pipe, the water is drained through the drain pump, and the water in the two cleaning tanks and the water in the water-bath solidification tank can be fully recycled by utilizing the drain pipe before the water in the tanks becomes waste water to be drained, so that water resources are saved.

4. The pipeline of the vacuum system is provided with the vacuum condenser, so that organic solvent volatilized from the tank can be effectively absorbed and removed, the vacuum degree of the paint dipping tank is not influenced when the solvent is discharged, a vacuum unit cannot be blocked or damaged due to volatilization of the solvent, the sealing capacity of the pipeline and the tank is strong, and the required vacuum degree and the required vacuumizing time are ensured.

[ description of the drawings ]

FIG. 1 is a perspective view of a graphite sheet impregnator of the present invention;

FIG. 2 is a perspective view of the rinse cure apparatus of the present invention, FIG. 1;

FIG. 3 is a perspective view of the rinse cure apparatus of the present invention, FIG. 2;

FIG. 4 is a block diagram of a second sprinkler tube of the present invention;

FIG. 5 is a perspective view of the vacuum drying canister apparatus of the present invention 1;

FIG. 6 is a perspective view of the vacuum drying canister apparatus of the present invention 2;

FIG. 7 is a perspective view of the vacuum pressure impregnation apparatus of the present invention, FIG. 1;

FIG. 8 is a perspective view of the vacuum pressure impregnation apparatus of the present invention, FIG. 2;

fig. 9 is a flow chart of the present invention.

In the figure: 1 is a first vacuum system; 101 is a first roots pump; 102 is a first rotary vane pump; 103 is a vacuum condenser; 104 is a first pipeline; 2 is a pressurization system; 201 is a screw air compressor; 202 is a second pipeline; 3 is a refrigerating system; 4, a ventilation system; 401 is a centrifugal fan; 402 is a discharge gas separator; 403 is a third conduit; 404 is an exhaust pipe; 405 is a fourth conduit; 5 is a second vacuum system; 501 is a second roots pump; 502 is a second vane pump; 503 is a fifth conduit; 504 is a sixth conduit; 6 is a heating system; l601 is an air duct heater; 602 is a second centrifugal fan; 603 is an air inlet pipe; 604 is a seventh conduit; 7 is a low-temperature condensation system; 701 is a second vacuum condenser; 702 is a water chilling unit; 8 is a paint storage tank; 9 is a paint dipping tank; 11 is a cleaning tank; 12 is a water bath curing tank; 13 is a drying tank; 14 is a return paint pipeline; 15 is a cylinder; 16 is a drain pipe; 17 is a water inlet pipe; 18 is a lifting platform; 19 is a draining pump; 20 is a water outlet; 21 is a first water pump; 22 is a first water spray pipe; 23 is a second water spray pipe; 24 is a spray header; 25 is a bubble port; 26 is a compressed air pipeline; 27 is a second water pump; 28 is a third spray pipe; 29 is a water outlet; 30 is a temperature detector; 31 is a heating wire; 32 is an exhaust duct; 33 is a pneumatic cover; 34 is a truss; 35 is an electric hoist; 36 is a steel frame platform; 37 is a steam exhaust port; and 38 is a cooling water tower.

[ detailed description ] embodiments

The technical features of the present invention will be described in further detail with reference to the accompanying drawings so that those skilled in the art can understand the technical features.

The bipolar plate is a key component of the fuel cell, and besides being a basic framework for forming the cell, the bipolar plate is a reaction gas channel of the fuel cell and also serves as a current conductor of a negative cell. The bipolar plate should therefore have: mechanical structural stability, air tightness, good conductivity and the like. The bipolar plate of the 9SSL fuel cell is manufactured by adopting a graphite plate die pressing mode, and the inside of the graphite unipolar plate is of a microporous structure, so that the graphite plate has air permeability due to the characteristic. In order to increase the sealing performance of the graphite plate, the micro-particle resin is injected into the micropores inside the graphite unipolar plate through vacuum impregnation, so that the air tightness of the graphite plate is increased. However, the resin is partially deposited on the surface of the graphite unipolar plate during the vacuum impregnation process, which results in an increase in the resistivity of the graphite unipolar plate, and therefore the resin on the surface of the graphite plate needs to be cleaned off after the vacuum impregnation process. After the resin on the surface of the graphite monopole plate is washed away in the cleaning equipment, in order to increase the stability of the resin in the graphite plate, the impregnated graphite plate needs to be cured in a hot water bath, so that the stability of the resin in the graphite plate is increased. Finally, the graphite plate is dried and formed in a vacuum drying box, the temperature cannot be too high in the vacuum drying process, if the temperature is too high, the micropores of the graphite plate and resin are evaporated out together by injected resin liquid and are adhered to the surface of the graphite plate, so that the injection molding effect and the conductivity of the graphite plate are influenced, and the graphite plate needs to be dried at low temperature in a vacuum manner.

The working process of the impregnator is as follows: vacuum drying → graphite plate vacuum dipping → washing → hot water bath curing → secondary vacuum drying, realizing the whole process of the graphite plate micropore treatment process.

The invention provides a graphite plate impregnator, which comprises vacuum pressure impregnation equipment, flushing and curing equipment and vacuum drying tank equipment, wherein the vacuum pressure impregnation equipment comprises a set of paint storage tank 8, two sets of paint impregnating tanks 9, a first vacuum system 1 for vacuumizing the paint impregnating tanks 9 and the paint storage tanks 8, a pressurizing system 2 for pressurizing the paint impregnating tanks 9, a refrigerating system 3 for cooling the paint storage tanks 8 and the paint impregnating tanks 9 and a ventilating system 4, the flushing and curing equipment comprises two sets of cleaning tanks 11 and a set of water bath curing tank 12, and the vacuum drying tank equipment comprises a drying tank 13, a second vacuum system 5 for vacuumizing the drying tank 13, a heating system 6 for heating the drying tank 13 and a low-temperature condensing system 7 for cooling and draining pumped high-temperature gas.

The paint dipping tank 9 is a vacuum pressure paint dipping tank and is vertically installed by adopting stainless steel materials. A bearing platform is arranged in the tank body, the tank cover is opened and closed by adopting pneumatic valves to lift, the tank cover is rotated by adopting a hydraulic moving coil speed reducer to drive the tank door to rotate and lock, and the linear module is driven by a stepping motor to drive the tank cover to move to a door opening position after the tank cover is lifted, so that the lifting of workpieces is not influenced; having a travel switch. The paint dipping tank body and the bottom are provided with carbon steel jackets, and cooling water is introduced to the outside for cooling, so that the solidification phenomenon caused by long-time use is avoided; the paint dipping tank body and the bottom are carbon steel jackets, cooling water is introduced to the outside for cooling, and the cooling water is provided by an external cooling water tower 38, so that the solidification phenomenon in long-time use is avoided. The tank bottom paint conveying mode is adopted, the paint is conveyed by using pressure difference, and the paint conveying is automatically stopped when the paint is conveyed to a required height; and configuring a guided wave radar liquid level meter. The outside of the tank body is provided with a stainless steel cooling water pipe, and the temperature of the tank body is adjusted through a cold water unit and a circulating water path.

Store up paint can 8 and store up paint can for the vacuum, vertical structure, jar external wall adopts coil pipe heating, cooling, and the internal work medium that leads to for heat up and lower the temperature to the lacquer of storing, jar body sets up the evacuation, advances back resin, relieves interfaces such as vacuum, liquid level pipe, sample valve.

The first vacuum system 1 comprises a first roots pump 101, a first rotary vane pump 102 and a first vacuum condenser 103, wherein the first roots pump 101 is respectively connected with the paint storage tank 8 and the two paint dipping tanks 9 through a first pipeline 104, the other end of the first roots pump 101 is sequentially connected with the first vacuum condenser 103 and the first rotary vane pump 102 in series, the vacuum unit does not enter a solvent during working, the normal working of the vacuum unit is ensured, and the vacuum degree in the paint dipping tanks is not damaged during the discharge of a condensed solvent.

Pressurization system 2 provides pressure for paint dipping tank 9, including screw compressor 201, screw compressor 201 through second pipeline 202 respectively with two sets paint dipping tank 9 link to each other. The pressurization system outputs oil-free, dust-free, dry compressed air.

The refrigerating system 3 comprises a water-cooled water chilling unit; a paint return pipeline 14 is arranged between the paint storage tank 8 and the bottom of the paint dipping tank 9, the paint in the paint dipping tank 9 is returned to the paint storage tank 8 by using pressure difference, a basket filter is arranged between the paint return pipelines 14, and the paint return pipeline 14 is also made into a jacket mechanism and is cooled by using cooling water.

The ventilation system 4 comprises a first centrifugal fan 401 and an exhaust separator 402, and is used for pumping out waste gas generated when the paint dipping tanks 9 are used for dipping paint, the first centrifugal fan 401 is provided with third pipelines 403 which are respectively connected with the two paint dipping tanks 9, the first centrifugal fan 401 is further provided with an exhaust pipe 404, and the exhaust separator 402 is connected to the third pipelines 403 through a fourth pipeline 405. The refrigerating system 3 is used for low-temperature cooling of the paint storage tank 10 and the paint dipping tank 9, cooling paint through a tank jacket, and meanwhile, is used for cooling the gas with the solvent pumped by the first vacuum condenser 103.

Wash jar 11 and be equipped with cylinder 15 and by this cylinder driven lift platform 18, lift platform 18 locates wash jar 11's inner chamber, lift platform 18 places the tray that is equipped with the graphite cake for adjust the height of graphite cake according to the water yield, guarantee that the graphite cake is whole to get into the aquatic, wash the graphite cake.

Wash jar 11 one side and be equipped with inlet tube 17, drain pipe 16, inlet tube 17 respectively with wash jar 11 the upper portion of water bath solidification jar 12 is connected, the one end of drain pipe 16 divide into three respectively with wash jar 11 the bottom of water bath solidification jar 12 is connected, and drainage pump 19 is connected to the other end wash jar 11 and water bath solidification jar 12's bottom is equipped with outlet 20, and outlet 20 is connected to drain pipe 16 for carry sewage device to handle and wash jar 11 water self-loopa of jar 11 with the water after washing.

A first water pump 21 for pumping water at the bottom of the cleaning tank 11 to the upper part for recycling is arranged on one side of the cleaning tank 11, a first water spray pipe 22 is arranged on the upper part of the cleaning tank 11 along the periphery, a second water spray pipe 23 is arranged on the lower part of the cleaning tank 11, the first water spray pipe 22 and the second water spray pipe 23 are respectively connected with the first water pump 21, a plurality of spray heads 24 are sequentially arranged on the first water spray pipe 22, a plurality of bubble ports 25 are sequentially arranged on the second water spray pipe 23, the orientation of the plurality of bubble ports 25 sequentially changes clockwise or anticlockwise, the bubble ports 25 are arranged anticlockwise, water flushed from the bubble ports 25 forms spiral bubbles, and the flushing is cleaner; the water sprayed from the spray header 24 prevents flushing foam from splashing and also cleans the graphite plates.

And the drainage pump and the water suction pump both adopt light horizontal multistage centrifugal pumps.

A compressed air pipeline 26 is also arranged on one side of the bottom of the cleaning tank 11, and compressed air is adopted for aeration and stirring in the cleaning process.

The water bath curing tank 12 is used for curing the cleaned graphite product and is of a vertical structure, and a pneumatic cover 33 is arranged at the top of the water bath curing tank 12 and is opened through pneumatic control.

The bottom of the water bath curing tank 12 is provided with a heating wire 31, water at the bottom of the water bath curing tank 12 is heated firstly, the highest temperature of the hot water is 95 ℃, one side of the water bath curing tank 12 is provided with a second water suction pump 27 which pumps the water at the bottom of the water bath curing tank 12 for recycling, the upper part of the water bath curing tank 12 is provided with a third water spray pipe 28, the third water spray pipe 28 is connected with the second water suction pump 27, the third water spray pipe 28 is provided with a plurality of water outlets 29, the hot water at the bottom of the water bath curing tank 12 is pumped up and sprayed out from the water outlets 29 at the upper part, the balance of the upper and lower water temperatures of the water bath curing tank 12 is maintained, the upper part and the lower part of the water bath curing tank 12 are respectively provided with temperature detectors 30, an exhaust pipeline 32 for exhausting water vapor during opening of the cover is arranged above the water bath curing tank 12, and a steam exhaust port 37 is arranged on the exhaust pipeline 32.

The vacuum drying tank equipment is used for low-temperature vacuum drying treatment before graphite plate impregnation and after water bath solidification.

In order to improve the heating efficiency of the temperature of the inner space of the tank, two sets of heating systems are specially arranged to heat the drying tank 13, the heating systems are respectively heated by hot air circulation and an electric heating plate, air is firstly blown and then heated, and the electric heating plate is prevented from being burnt out.

The method comprises the following steps: heating system 6 is including locating electrical heating board, wind channel heater 601, second centrifugal fan 602, intake pipe 603, exhaust duct 32 of drying cylinder 13 jar wall, wind channel heater 601 pass through intake pipe 603 respectively with drying cylinder 13 bottom links to each other, second centrifugal fan 602 passes through exhaust duct 32 is connected to the upper portion of drying cylinder 13, wind channel heater 601 pass through seventh pipeline 604 with second centrifugal fan 602 links to each other.

Hot air circulation: heated air is directly blown into the drying tank 13 by the hot air circulating fan, hot air circulates in the tank in a reciprocating manner, the electric heating plate is heated as auxiliary heating, and 1 temperature measuring sensor is arranged in the tank to measure the temperature of the space in the tank.

The drying tank 13 is designed and manufactured according to the vacuum container standard, the vertical round tank and the tank door are sealed by adopting an O-shaped sealing ring, and the requirement of vacuumizing during drying is ensured. The opening and closing operation of the tank door can be performed in an atmospheric pressure state.

The second vacuum system 5 includes a second roots pump 501 and a second rotary vane pump 502, the low-temperature condensation system 7 includes a second vacuum condenser 701 and a water chilling unit 702 for providing cooling water for the second vacuum condenser 701, the second roots pump 501 is connected with the drying tank 13 through a fifth pipeline 503, the second roots pump 501 is connected with the second vacuum condenser 701, the second vacuum condenser 701 is connected with the second rotary vane pump 502 through a sixth pipeline 504, and the water chilling unit 702 is connected with the second vacuum condenser 701. The vacuum condenser 103 is a horizontal condenser, and the roots pump and the vane pump are vacuum pumps.

The different evacuation pipelines are switched to evacuate in different stages of drying, so that the evacuation rate is controlled, and the drying effect is more ideal. The horizontal condenser adopts low-temperature chilled water, ensures good condensation effect of the condenser, can liquefy and separate water vapor in the pumped gas under the condition of not destroying vacuum, and simultaneously cools the pumped high-temperature gas, thereby effectively protecting the preceding stage vacuum pump.

The impregnator also comprises a truss 34, and an electric hoist 35 is movably arranged on the truss 34 and used for hoisting the movable graphite plate. The impregnator also includes a steel frame platform 36 for manual operation and observation.

The embodiment of the present invention is described only for the preferred embodiment of the present invention, and not for the purpose of limiting the spirit and scope of the invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.