CN219656447U - Cooling device after lithium battery drying - Google Patents

Abstract

The utility model discloses a cooling device after drying a lithium battery, which comprises a cooling conveying line, wherein the cooling conveying line passes through a cooling furnace, and the cooling furnace is connected with an air cooler through a pipeline; the air cooler comprises a machine body and a heat exchange cavity arranged in the machine body, wherein a water pipe penetrating through the air cooler is arranged in the heat exchange cavity, and an air outlet and an air inlet are formed in the air cooler; the cooling furnace comprises a cooling rack and a shell arranged on the cooling rack, a cooling cavity is arranged in the cooling rack, a circulating air channel is formed by communicating an air outlet and an air inlet through a pipeline, two ends of the cooling furnace are provided with windows for a cooling conveying line to pass through, and cooling door curtains are arranged at the windows.

Description

A cooling device for lithium batteries after drying

Technical field

The utility model relates to the technical field of lithium battery production equipment, specifically a cooling device after drying of lithium batteries.

Background technique

With the development of the new energy vehicle industry, lithium batteries are now widely used in the electric vehicle industry, promoting the development and application of the lithium battery industry. Therefore, the production quality requirements for lithium batteries are now getting higher and higher, and the drying process of lithium batteries is an indispensable link in the production process of lithium batteries. At present, the drying methods of lithium batteries mainly include thermal radiation heating, hot air heating and contact Several types of heating. After vacuum drying, the temperature of the lithium battery is higher than normal temperature. Rapid cooling is required before the lithium battery can be processed by cell liquid injection and other subsequent processes. The currently known cooling method is to use dry nitrogen for circulating cooling. The cooling effect of this method is Poor, long time, low efficiency, affecting subsequent processes and other problems.

Utility model content

The purpose of this utility model is to provide a lithium battery cooling device after drying to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A cooling device for lithium batteries after drying, including a cooling conveyor line that passes through a cooling furnace, and the cooling furnace is connected to an air cooler through a pipeline;

The air cooler includes a body and a heat exchange cavity disposed in the body. The heat exchange cavity is provided with a water pipe passing through the air cooler. The air cooler is provided with an air outlet and an air inlet;

The cooling furnace includes a cooling frame and a shell arranged on the cooling frame. A cooling cavity is provided in the cooling frame. The cooling cavity is provided with an air outlet and an air inlet connected through pipes. A circulating air duct is formed, and windows are provided at both ends of the cooling furnace for the cooling conveyor line to pass through, and cooling curtains are provided at the windows.

As a further solution of the present invention: the air outlet is connected to the cooling furnace through an air inlet module, the air inlet module includes an air inlet duct, and the air inlet duct is connected to the upper end of the cooling furnace.

As a further solution of the present invention: a centrifugal fan is provided on the air inlet duct, and a filter is provided in the cooling furnace. The filter is located at a position where the air inlet duct communicates with the cooling furnace.

As a further solution of the present invention: the air outlet is connected to the cooling furnace through a return air module, the return air module includes a return air duct, and the return air duct is connected to the lower end of the cooling furnace.

As a further solution of the present invention: the return air duct is provided with an axial flow fan.

As a further solution of the present invention: the cooling conveying line passes through the middle of the cooling furnace, and the cooling conveying line includes a cooling drum line.

As a further solution of the present invention: one end of the cooling drum line is provided with a driving device, and the cooling drum line is provided with a photoelectric sensor.

As a further solution of the present invention: the air cooler is provided with a water inlet and a water outlet connected to the water pipe.

Compared with the existing technology, the beneficial effects of this utility model are: after the utility model first extracts the low dew point air in the cooling furnace environment, the air inlet duct blows and cools the battery on the cooling conveyor line, and the return air duct blows and cools the battery. Recycling after cooling enables the battery to achieve rapid cooling without affecting the environment in the cooling furnace. In addition, this application is equipped with fans in both the air inlet duct and the return air duct, thereby increasing the flow speed of the cooling air flow. Cooling air flow escapes or outside air enters.

Description of the drawings

Figure 1 is a schematic structural diagram of this embodiment;

Figure 2 is a schematic diagram of the cooling structure of this embodiment;

Figure 3 is a schematic structural diagram of the cooling conveyor line in this embodiment;

Figure 4 is a schematic structural diagram of the air cooler in this embodiment.

In the picture: 1-air inlet module, 11-air inlet duct, 12-centrifugal fan, 2-cooling furnace, 21-cooling rack, 22-casing, 23-cooling curtain, 24-filter, 3- Return air module, 31-return air duct, 32-axial flow fan, 4-cooling conveyor line, 41-photoelectric sensor, 42-cooling drum line, 43-driving device, 5-cooler, 51-air outlet, 52 -Air inlet, 53-water inlet, 54-water outlet, 6-lithium battery.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1-4. In the embodiment of the present invention, a lithium battery cooling device after drying includes a cooling conveyor line 4. The cooling conveyor line 4 includes a cooling drum line 42. One end of the cooling drum line 42 is provided with a driving device 43. The cooling drum line 42 is provided with a photoelectric sensor 41, and the cooling conveyor line 4 passes through the middle of the cooling furnace 2. The cooling furnace 2 includes a cooling frame 21 and a shell 22 arranged on the cooling frame 21. Inside the cooling frame 21 A cooling cavity is provided, and both ends of the cooling cavity are provided with windows for the cooling conveyor line 4 to pass through, and a cooling curtain 23 is provided at the window.

The cooling cavity in the cooling furnace 2 is connected to an air cooler 5 through the air inlet module 1 and the return air module 3. The air cooler 5 includes a machine body and a heat exchange cavity arranged in the machine body. There is a through-hole in the heat exchange cavity. The water pipe of the air cooler 5 is provided with a water inlet 53 and a water outlet 54 connected with the water pipe. The air cooler 5 is provided with an air outlet 51 and an air inlet 52; the air outlet 51 communicates with the cooling furnace through the air inlet module 1 2 are connected, the air inlet module 1 includes an air inlet duct 11, the air inlet duct 11 is connected with the upper end of the cooling furnace 2, the air inlet duct 11 is provided with a centrifugal fan 11, and the cooling furnace 2 is provided with a filter 24, the filter 24 is located at the position where the air inlet duct 11 is connected to the cooling furnace 2; the air outlet 51 is connected to the cooling furnace 2 through the return air module 3. The return air module includes a return air duct 31, and the return air duct 31 is connected to the lower end of the cooling furnace 2. , the return air duct 31 is provided with an axial flow fan 32, and further, the cooling cavity forms a circulating air channel through the air inlet module 1, the return air module 3, the air outlet 51, the air inlet 52 and the heat exchange cavity.

When the utility model is in use, low-temperature cooling water is input through the water inlet 53, and the temperature of the cold water is controlled at 7-12°C, and then the centrifugal fan 12 on the air inlet duct 11 and the axial flow fan 32 on the return air duct 31 are started. Then, the air in the air cooler 5 is introduced into the cooling furnace 2 through the air inlet duct 11. The air there is low dew point air and will not affect the environment in the cooling furnace. At the same time, the cooling furnace 2 is passed through the return air duct 31. The air in the air is directed back to the cooling fan 5 to form a cooling cycle, and then the driving device 43 in the cooling conveyor line 4 is started. In this embodiment, the driving device uses a combination of a driving motor and a reducer to drive the cooling drum line 42 to run. The lithium battery 6 that needs to be cooled is placed on the cooling drum line 42, and the lithium battery 6 is brought to the cooling furnace 2 through the cooling drum line 42. When the lithium battery 6 passes through the cooling furnace 2, different low-temperature gases pass through the upper part. The air inlet duct 11 and filter 24 are blown onto the lithium battery 6 to quickly cool down the lithium battery 6. At the same time, the gas with increased temperature will flow back to the cooling fan 5 through the return air duct 31 to exchange with the cooling water in the pipe. Heat becomes low-temperature gas again. After continuous circulation, the low-temperature gas can be continuously increased for cooling. When the lithium battery 6 passes through the cooling furnace 2, the purpose of cooling the lithium battery 6 is achieved, and the lithium battery can be continuously output in real time. 6, thus greatly improving the cooling efficiency.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is therefore intended that all claims falling within the rights All changes within the meaning and scope of the required equivalent elements are included in the present invention. Any reference signs in the claims shall not be construed as limiting the claim in question.

In addition, it should be understood that although this specification is described in terms of implementations, not each implementation only contains an independent technical solution. This description of the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole. , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. The cooling device after drying the lithium battery comprises a cooling conveying line (4), and is characterized in that the cooling conveying line (4) passes through a cooling furnace (2), and the cooling furnace (2) is connected with an air cooler (5) through a pipeline;

the air cooler (5) comprises a machine body and a heat exchange cavity arranged in the machine body, a water pipe penetrating through the air cooler (5) is arranged in the heat exchange cavity, and an air outlet (51) and an air inlet (52) are formed in the air cooler (5);

the cooling furnace (2) comprises a cooling rack (21) and a shell (22) arranged on the cooling rack (21), a cooling cavity is arranged in the cooling rack (21), a circulating air channel is formed by communicating an air outlet (51) and an air inlet (52) through pipelines, windows for allowing a cooling conveying line (4) to pass through are formed in two ends of the cooling furnace (2), and a cooling door curtain (23) is arranged at each window.

2. The cooling device after drying of lithium batteries according to claim 1, wherein the air outlet (51) is communicated with the cooling furnace (2) through an air inlet module (1), the air inlet module (1) comprises an air inlet pipeline (11), and the air inlet pipeline (11) is communicated with the upper end of the cooling furnace (2).

3. The cooling device after drying of lithium batteries according to claim 2, characterized in that a centrifugal ventilator (12) is arranged on the air inlet pipeline (11), a filter screen (24) is arranged in the cooling furnace (2), and the filter screen (24) is positioned at a position where the air inlet pipeline (11) is communicated with the cooling furnace (2).

4. The cooling device after drying of lithium batteries according to claim 1, wherein the air outlet (51) is communicated with the cooling furnace (2) through an air return module (3), the air return module comprises an air return pipeline (31), and the air return pipeline (31) is communicated with the lower end of the cooling furnace (2).

5. The cooling device after drying of lithium battery according to claim 4, wherein an axial flow fan (32) is arranged on the return air pipeline (31).

6. A lithium battery post-drying cooling device according to claim 1, characterized in that the cooling conveyor line (4) passes through the middle of the cooling furnace (2), the cooling conveyor line (4) comprising a cooling drum line (42).

7. The cooling device after drying of lithium battery according to claim 6, wherein a driving device (43) is arranged at one end of the cooling roller line (42), and a photoelectric sensor (41) is arranged on the cooling roller line (42).

8. The cooling device after drying of the lithium battery according to claim 1, wherein the air cooler (5) is provided with a water inlet (53) and a water outlet (54) which are communicated with a water pipe.