阅读说明：本技术 一种双极板浸渗设备 (Bipolar plate infiltration equipment ) 是由 彭元亭 金鑫 花仕洋 刘舒君 田芳宁 于 2019-12-12 设计创作，主要内容包括：本发明公开一种双极板浸渗设备,包括：第一罐体、第二罐体、第一换热筒、第二换热筒、第一管体、第二管体、第三管体、第四管体、第一循环泵、第二循环泵、第三循环泵、第四循环泵、冷却机,石墨双极板在所述第一罐体内进行浸渗,所述第一罐体与所述第二罐体内均装有浸渗液,浸渗过程中,所述第一循环泵、第二循环泵、第三循环泵、第四循环泵、冷却机均为启动状态,所述第一循环泵通过所述第一管体将所述第一罐体下端的浸渗液泵入所述第二罐体的上端,所述第二循环泵通过所述第二管体将所述第二罐体下端的浸渗液泵入所述第一罐体的上端,从而实现浸渗液的循环流道,保证了不同深度的浸渗液的浓度一致。(The invention discloses a bipolar plate infiltration device, which comprises: a first tank body, a second tank body, a first heat exchange cylinder, a second heat exchange cylinder, a first pipe body, a second pipe body, a third pipe body, a fourth pipe body, a first circulating pump, a second circulating pump, a third circulating pump, a fourth circulating pump and a cooler, wherein a graphite bipolar plate is impregnated in the first tank body, the first tank body and the second tank body are filled with infiltration liquid, the first circulating pump, the second circulating pump, the third circulating pump, the fourth circulating pump and the cooling machine are all in a starting state in the infiltration process, the first circulating pump pumps the infiltration liquid at the lower end of the first tank body into the upper end of the second tank body through the first pipe body, the second circulating pump pumps the infiltration liquid at the lower end of the second tank body into the upper end of the first tank body through the second pipe body, thereby realizing the circulating flow channel of the infiltration liquid and ensuring the consistency of the concentrations of the infiltration liquid at different depths.)

1. An apparatus for impregnating a bipolar plate, comprising: the heat exchanger comprises a first tank body, a second tank body, a first heat exchange cylinder, a second heat exchange cylinder, a first pipe body, a second pipe body, a third pipe body, a fourth pipe body, a first circulating pump, a second circulating pump, a third circulating pump, a fourth circulating pump and a cooler, wherein the first heat exchange cylinder is sleeved on the first tank body, the inner wall of the first heat exchange cylinder is abutted against the outer wall of the first tank body, and a first heat exchange cavity is arranged between the inner wall of the first heat exchange cylinder and the outer wall of the first heat exchange cylinder; the second heat exchange cylinder is sleeved on the second tank body, the inner wall of the second heat exchange cylinder is abutted against the outer wall of the second tank body, and a second heat exchange cavity is arranged between the inner wall of the second heat exchange cylinder and the outer wall of the second heat exchange cylinder; the lower end of the first pipe body is communicated with the lower end of the inner cavity of the first tank body, and the upper end of the first pipe body is communicated with the upper end of the inner cavity of the second tank body; the upper end of the second pipe body is communicated with the upper end of the inner cavity of the first tank body, and the lower end of the second pipe body is communicated with the lower end of the inner cavity of the second tank body; the upper end of the third pipe body is communicated with the upper end of the first heat exchange cavity, and the lower end of the third pipe body is communicated with the lower end of the second heat exchange cavity; the lower end of the fourth pipe body is communicated with the lower end of the first heat exchange cavity, and the upper end of the fourth pipe body is communicated with the upper end of the second heat exchange cavity; the first circulating pump is arranged on the first pipe body; the second circulating pump is arranged on the second pipe body; the third circulating pump is arranged on the third pipe body; the fourth circulating pump reaches the cooler all sets up in on the fourth body.

2. The bipolar plate infiltration apparatus of claim 1, wherein the first heat exchange chamber is cylindrical and is coaxially sleeved to the first tank.

3. The bipolar plate infiltration apparatus of claim 1, wherein the second heat exchange chamber is cylindrical and is coaxially sleeved to the second tank.

4. The bipolar plate impregnating apparatus according to claim 1, wherein a lower end of the first tube is a suction port, and an upper end of the first tube is a liquid ejection port; the lower end of the second pipe body is a suction port, and the upper end of the second pipe body is a liquid spraying port; the upper end of the third pipe body is a suction port, and the lower end of the third pipe body is a liquid spraying port; the upper end of the fourth pipe body is a suction port, and the lower end of the fourth pipe body is a liquid spraying port.

5. The bipolar plate impregnating apparatus according to claim 1, further comprising a vacuum pump, a first exhaust pipe, a second exhaust pipe, and a main gas pipe, wherein one end of the first exhaust pipe is communicated with the upper end of the inner cavity of the first can, and the other end of the first exhaust pipe is communicated with one end of the main gas pipe; one end of the second air exhaust pipe is communicated with the upper end of the inner cavity of the second tank body, and the other end of the second air exhaust pipe is communicated with one end of the main air pipe; the other end of the main air pipe is communicated with the air exhaust end of the vacuum pump.

6. The bipolar plate impregnating apparatus according to claim 5, wherein said main gas pipe is further provided with a gas exhaust pipe, and said gas exhaust pipe is provided with a gas exhaust valve.

Technical Field

The invention relates to the technical field of graphite bipolar plate production, in particular to bipolar plate impregnation equipment.

Background

The graphite bipolar plate needs to be impregnated with glue after being pressed and formed, a basket is usually used for containing the graphite bipolar plate, and the basket is placed into a tank body containing impregnating liquid.

The problem that exists at present is that, the infiltration liquid of jar internal stationary time is longer after, and the concentration of the infiltration liquid of the different degree of depth has the difference.

Disclosure of Invention

The invention aims to overcome the technical defects, provides bipolar plate infiltration equipment, and solves the technical problem that in the prior art, after the infiltration liquid in a tank body is kept still for a long time, the concentrations of the infiltration liquid at different depths are different.

In order to achieve the technical purpose, the technical scheme of the invention provides bipolar plate infiltration equipment, which comprises: the heat exchanger comprises a first tank body, a second tank body, a first heat exchange cylinder, a second heat exchange cylinder, a first pipe body, a second pipe body, a third pipe body, a fourth pipe body, a first circulating pump, a second circulating pump, a third circulating pump, a fourth circulating pump and a cooler, wherein the first heat exchange cylinder is sleeved on the first tank body, the inner wall of the first heat exchange cylinder is abutted against the outer wall of the first tank body, and a first heat exchange cavity is arranged between the inner wall of the first heat exchange cylinder and the outer wall of the first heat exchange cylinder; the second heat exchange cylinder is sleeved on the second tank body, the inner wall of the second heat exchange cylinder is abutted against the outer wall of the second tank body, and a second heat exchange cavity is arranged between the inner wall of the second heat exchange cylinder and the outer wall of the second heat exchange cylinder; the lower end of the first pipe body is communicated with the lower end of the inner cavity of the first tank body, and the upper end of the first pipe body is communicated with the upper end of the inner cavity of the second tank body; the upper end of the second pipe body is communicated with the upper end of the inner cavity of the first tank body, and the lower end of the second pipe body is communicated with the lower end of the inner cavity of the second tank body; the upper end of the third pipe body is communicated with the upper end of the first heat exchange cavity, and the lower end of the third pipe body is communicated with the lower end of the second heat exchange cavity; the lower end of the fourth pipe body is communicated with the lower end of the first heat exchange cavity, and the upper end of the fourth pipe body is communicated with the upper end of the second heat exchange cavity; the first circulating pump is arranged on the first pipe body; the second circulating pump is arranged on the second pipe body; the third circulating pump is arranged on the third pipe body; the fourth circulating pump reaches the cooler all sets up in on the fourth body.

Compared with the prior art, the invention has the beneficial effects that: the inner cavity of the first tank body in the bipolar plate infiltration equipment is used for placing a basket filled with a graphite bipolar plate, the graphite bipolar plate is infiltrated in the first tank body, the first tank body and the second tank body are both filled with infiltration liquid, in the infiltration process, the first circulating pump, the second circulating pump, the third circulating pump, the fourth circulating pump and the cooler are all in a starting state, the first circulating pump pumps the infiltration liquid at the lower end of the first tank body into the upper end of the second tank body through the first pipe body, the second circulating pump pumps the infiltration liquid at the lower end of the second tank body into the upper end of the first tank body through the second pipe body, so that a circulating flow channel of the infiltration liquid is realized, the concentration of the infiltration liquid at different depths is ensured to be consistent, after infiltration is finished, the second circulating pump can be closed firstly, at the moment, the first circulating pump can pump all the infiltration liquid in the first tank body into the second tank body, thereby facilitating the worker to take out the basket.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a bipolar plate impregnation device provided by the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the present embodiment provides a bipolar plate impregnating apparatus, including: the first tank body 1, the second tank body 2, the first heat exchange cylinder 3, the second heat exchange cylinder 4, the first pipe body 5, the second pipe body 6, the third pipe body 7, the fourth pipe body 8, the first circulating pump 9, the second circulating pump a, the third circulating pump b, the fourth circulating pump c and the cooling machine d.

The first heat exchange cylinder 3 is sleeved on the first tank body 1, the inner wall of the first heat exchange cylinder 3 abuts against the outer wall of the first tank body 1, a first heat exchange cavity is arranged between the inner wall of the first heat exchange cylinder 3 and the outer wall of the first heat exchange cylinder 3, and the first heat exchange cavity is used for containing a heat exchange medium.

The second heat exchange cylinder 4 is sleeved on the second tank body 2, the inner wall of the second heat exchange cylinder 4 abuts against the outer wall of the second tank body 2, a second heat exchange cavity is arranged between the inner wall of the second heat exchange cylinder 4 and the outer wall of the second heat exchange cylinder 4, and the second heat exchange cavity is used for containing a heat exchange medium.

The lower extreme of first body 5 with the lower extreme intercommunication of the inner chamber of the first jar of body 1, the upper end of first body 5 with the upper end intercommunication of the inner chamber of the second jar of body 2, first circulating pump 9 set up in on the first body 5, first circulating pump 9 is used for with the infiltration liquid pump income in the first jar of body 1 the second jar of body 2.

The upper end of the second pipe body 6 is communicated with the upper end of the inner cavity of the first tank body 1, the lower end of the second pipe body 6 is communicated with the lower end of the inner cavity of the second tank body 2, the second circulating pump a is arranged on the second pipe body 6, and the second circulating pump a is used for pumping the infiltration liquid in the second tank body 2 into the first tank body 1.

The upper end of the third pipe body 7 is communicated with the upper end of the first heat exchange cavity, the lower end of the third pipe body 7 is communicated with the lower end of the second heat exchange cavity, the third circulating pump b is arranged on the third pipe body 7, and the third circulating pump b is used for pumping the heat exchange medium in the first heat exchange cavity into the second heat exchange cavity.

The lower end of the fourth pipe body 8 is communicated with the lower end of the first heat exchange cavity, the upper end of the fourth pipe body 8 is communicated with the upper end of the second heat exchange cavity, the fourth circulating pump c and the cooler d are arranged on the fourth pipe body 8, and the fourth circulating pump c is used for pumping the heat exchange medium in the second heat exchange cavity into the cooler d for cooling and then into the second heat exchange cavity, so that the graphite bipolar plate is impregnated at a low temperature, the deterioration time of the impregnating solution is delayed, and the production raw material cost is reduced.

In the bipolar plate infiltration equipment, an inner cavity of a first tank body 1 is used for placing a basket e filled with a graphite bipolar plate, the graphite bipolar plate is infiltrated in the first tank body 1, infiltration liquid is filled in the first tank body 1 and a second tank body 2, in the infiltration process, a first circulating pump 9, a second circulating pump a, a third circulating pump b, a fourth circulating pump c and a cooling machine d are all in a starting state, the first circulating pump 9 pumps the infiltration liquid at the lower end of the first tank body 1 into the upper end of the second tank body 2 through a first pipe body 5, the second circulating pump a pumps the infiltration liquid at the lower end of the second tank body 2 into the upper end of the first tank body 1 through a second pipe body 6, so that a circulating flow passage of the infiltration liquid is realized, the concentration of the infiltration liquid at different depths is ensured to be consistent, and after infiltration is finished, the second circulating pump a can be closed firstly, at this time, the first circulating pump 9 can pump all the infiltration liquid in the first tank 1 into the second tank 2, so that the basket e can be taken out by a worker conveniently.

This embodiment provides a specific implementation mode, first heat transfer chamber is the cylinder, and first heat transfer chamber coaxial sleeve is located first jar of body 1, second heat transfer chamber is the cylinder, and second heat transfer chamber coaxial sleeve is located second jar of body 2, and above-mentioned structure has improved the heat transfer rate of first heat exchanger section of thick bamboo 3, second heat exchanger section of thick bamboo 4, first heat exchanger section of thick bamboo 3 all the cover is equipped with the foam heat insulating layer on the outer wall of second heat exchanger section of thick bamboo 4 to reduce external ambient temperature and cause the influence to the process of infiltrating.

The lower end of the first pipe body 5 is a suction port, and the upper end of the first pipe body 5 is a liquid spraying port; the lower end of the second pipe body 6 is a suction port, and the upper end of the second pipe body 6 is a liquid spraying port; the upper end of the third pipe body 7 is a suction port, and the lower end of the third pipe body 7 is a liquid spraying port; the upper end of the fourth pipe 8 is a suction port, and the lower end of the fourth pipe 8 is a liquid spraying port.

The embodiment also provides a preferred embodiment, the bipolar plate infiltration apparatus further includes a vacuum pump f, a first exhaust pipe g, a second exhaust pipe h, and a main gas pipe j, wherein one end of the first exhaust pipe g is communicated with the upper end of the inner cavity of the first tank 1, and the other end of the first exhaust pipe g is communicated with one end of the main gas pipe j; one end of the second air exhaust pipe h is communicated with the upper end of the inner cavity of the second tank body 2, and the other end of the second air exhaust pipe 6 is communicated with one end of the main air pipe j; the other end of the main air pipe j is communicated with an air exhaust end of the vacuum pump f, the vacuum pump f exhausts the inner cavities of the first tank body 1 and the second tank body 2 into a negative pressure state through the first air exhaust pipe g and the second air exhaust pipe h, so that air bubbles in the infiltration liquid can be eliminated, the infiltration effect is prevented from being influenced by the air bubbles in the infiltration liquid, and the first air exhaust pipe g and the second air exhaust pipe h are communicated with the main air pipe j, so that the pressure balance of the inner cavities of the first tank body 1 and the second tank body 2 is ensured.

An exhaust pipe k is further arranged on the main gas pipe j, an exhaust valve n is arranged on the exhaust pipe k, and after infiltration is completed, the exhaust valve n is opened, so that the situation that the upper covers of the first tank body 1 and the second tank body 2 are pressed by atmospheric pressure and cannot be opened is avoided.

The working principle is as follows: in the bipolar plate infiltration equipment, an inner cavity of a first tank body 1 is used for placing a basket e filled with a graphite bipolar plate, the graphite bipolar plate is infiltrated in the first tank body 1, infiltration liquid is filled in the first tank body 1 and a second tank body 2, in the infiltration process, a first circulating pump 9, a second circulating pump a, a third circulating pump b, a fourth circulating pump c and a cooling machine d are all in a starting state, the first circulating pump 9 pumps the infiltration liquid at the lower end of the first tank body 1 into the upper end of the second tank body 2 through a first pipe body 5, the second circulating pump a pumps the infiltration liquid at the lower end of the second tank body 2 into the upper end of the first tank body 1 through a second pipe body 6, so that a circulating flow passage of the infiltration liquid is realized, the concentration of the infiltration liquid at different depths is ensured to be consistent, and after infiltration is finished, the second circulating pump a can be closed firstly, at this time, the first circulating pump 9 can pump all the infiltration liquid in the first tank 1 into the second tank 2, so that the basket e can be taken out by a worker conveniently.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.