CN204684968U - Novel lithium battery electrode slurry specialized superfine decentralized system - Google Patents

Abstract

The utility model relates to a novel superfine dispersion system for lithium battery electrode slurry, which includes a frame in which a main engine, a rotor pump, a vacuum buffer tank, a discharge buffer tank and a diaphragm pump are installed. The rotor pump and the frame are one The feed port on the side is connected, the connecting pipe between the main engine and the rotor pump is equipped with a flow meter, a pressure sensor and a thermometer, one side of the main engine is connected to the cooling water pipe through a water pipe joint, the main engine is connected to the discharge buffer tank, and the discharge buffer tank is installed There are liquid level gauges and pressure gauges, the discharge buffer tank is connected to the diaphragm pump, the diaphragm pump is connected to the discharge port on the frame, and the discharge cooling pipe on the side of the discharge port is also connected to the frame; the main engine includes the machine base , the main shaft is installed on the base, the main shaft runs through the cooling chamber, the pump body and the dispersion chamber, one side of the pump body has a discharge pipe, the impeller is installed on the main shaft in the dispersion chamber through the impeller chassis, and a screen is installed on the periphery of the impeller A feed pipe is installed on the bottom plate of the dispersing chamber, and a feed cooling chamber is installed on the periphery of the feed pipe.

Description

Special ultra-fine dispersion system for new lithium battery electrode slurry

technical field

The utility model relates to a dispersing machine, in particular to special equipment for dispersing nanometer-level materials.

Background technique

The existing high-shear dispersion equipment for lithium battery electrode slurry has low dispersion efficiency and requires long-term dispersion, which leads to heat generation, skinning, aging, and finally uneven dispersion. Therefore, it is urgent to design a dispersing equipment for lithium battery electrode slurry with high dispersing efficiency and good dispersing effect.

Utility model content

In view of the above-mentioned shortcomings of the prior art, the applicant conducts research and improvement, and provides a new type of ultra-fine dispersion system for lithium battery electrode slurry with high dispersion efficiency and good dispersion effect.

The technical scheme adopted in the utility model is as follows:

A new type of ultra-fine dispersion system for lithium battery electrode slurry, including a frame in which a main engine, a rotor pump, a vacuum buffer tank, a discharge buffer tank and a diaphragm pump are installed, and the rotor pump and the feeder on one side of the frame The connecting pipe between the main engine and the rotor pump is equipped with a flow meter, pressure sensor and thermometer. One side of the main engine is connected to the cooling water pipe through a water pipe joint. The main engine is connected to the discharge buffer tank, and a liquid level gauge is installed on the discharge buffer tank. And the pressure gauge, the discharge buffer tank is connected to the diaphragm pump, the diaphragm pump is connected to the discharge port on the frame, and the discharge cooling pipe on the discharge port side is also connected to the frame;

The main engine includes a machine base, on which a main shaft is installed, the main shaft runs through the cooling chamber, the pump body and the dispersion chamber, the dispersion chamber is fixedly connected with the pump body, and one side of the pump body has a discharge pipe, which is located on the main shaft in the dispersion chamber The impeller is installed through the impeller chassis, a screen is installed on the periphery of the impeller, a feed pipe is installed on the bottom plate of the dispersion chamber, and a feed cooling chamber is installed on the periphery of the feed pipe.

As a further improvement of the above technical solution:

The maximum mesh of the screen is 200 mesh, and the size range of the mesh gap is: 0.15mm-0.5mm.

The inner wall of the dispersion chamber is wave-shaped, and the distance from the outer wall of the screen is in the range of 3mm-5mm.

The linear speed of rotation of the impeller ranges from 50 to 80 m/s.

The beneficial effects of the utility model are as follows:

The utility model adopts an innovative dispersion concept. The material is transported to the feed buffer tank through the rotor pump, enters the high-speed ultra-fine dispersion host, is quickly extracted by the diaphragm pump after high-speed dispersion, and is transported to the discharge buffer tank. During the whole process The residence time of the material in the high-speed dispersing host is short, the dispersion efficiency is high, the output is large, the power consumption is small, and the heat generation is low; the screen with small gaps and spacing, combined with the ultra-high linear speed impeller, fully guarantees the dispersion effect, and the screen is fine. The pores can reach 200 meshes, ensuring the fineness of the dispersed battery slurry.

Description of drawings

Fig. 1 is a structural diagram of the utility model.

Fig. 2 is the structural diagram of the main engine of the present utility model.

In the figure: 1, main engine; 100, machine base; 101, main shaft; 102, cooling chamber; 103, pump body; 104, dispersion chamber; 105, discharge pipe; 106, impeller chassis; 107, impeller; 108, screen ; 109, bottom plate; 110, feed pipe; 111, feed cooling cavity; 2, liquid level gauge; 3, cooling water pipe; 4, water pipe joint; 5, vacuum buffer tank; 6, pressure sensor; 7, flow meter; 8. Rotor pump; 9. Thermometer; 10. Feed inlet; 11. Diaphragm pump; 12. Discharge port; 13. Discharge buffer tank; 14. Discharge cooling pipe; 15. Pressure gauge.

Detailed ways

Below in conjunction with accompanying drawing, illustrate the specific embodiment of the present utility model.

As shown in Figure 1, the special ultra-fine dispersion system for the new lithium battery electrode slurry of the present embodiment includes a frame in which a main engine 1, a rotor pump 8, a vacuum buffer tank 5, a discharge buffer tank 13 and a diaphragm are installed. The pump 11 and the rotor pump 8 are connected to the feed port 10 on one side of the frame. The connecting pipe between the main engine 1 and the rotor pump 8 is equipped with a flow meter 7, a pressure sensor 6 and a thermometer 9. One side of the main engine 1 passes through the water pipe joint 4 Connect the cooling water pipe 3, the host 1 is connected to the discharge buffer tank 13, the liquid level gauge 2 and the pressure gauge 14 are installed on the discharge buffer tank 13, the discharge buffer tank 13 is connected to the diaphragm pump 11, and the diaphragm pump 11 is connected to the The discharge port 12 is connected, and the discharge cooling pipe 13 positioned at the discharge port 12 side is also connected on the frame.

As shown in Figure 2, the main engine 1 includes a base 100, on which a main shaft 101 is installed, the main shaft 101 runs through the cooling chamber 102, the pump body 103 and the dispersion chamber 104, the dispersion chamber 104 is fixedly connected with the pump body 103, and the pump body 103 There is a discharge pipe 105 on one side, and an impeller 107 is installed through an impeller chassis 106 on the main shaft 101 in the dispersion chamber 104, and a screen 108 is installed on the periphery of the impeller 107, and a feed pipe 110 is installed on the bottom plate 109 of the dispersion chamber 104 , a feed cooling cavity 111 is installed on the periphery of the feed pipe 110 .

The maximum mesh size of the screen 108 is 200 mesh, and the size range of the mesh gap is: 0.15mm-0.5mm; the range of the rotational speed of the impeller 107 is: 50-80m/s. The small screen gap and spacing and super high linear speed fully guarantee the dispersion effect; the micropores of the screen can reach 200 meshes to ensure the fineness of the dispersed battery slurry.

In the utility model, the discharge pipe 105 of the pump body 103 is connected to the discharge buffer tank 13, and the discharge buffer tank 13 is connected to the diaphragm pump 11. At the same time, the top of the discharge buffer tank 13 is vacuumed to ensure that the pump body 103 works under negative pressure, greatly To reduce the probability of blockage and poor discharge, the discharge buffer tank 13 is also equipped with a liquid level gauge 2 to ensure that the material will not overflow or be pumped into the vacuum pump.

The above description is an explanation of the utility model, not a limitation of the utility model. For the limited scope of the utility model, please refer to the claims. The utility model can be modified in any form without violating the spirit of the utility model.

Claims (4)

1. A new type of ultra-fine dispersion system for lithium battery electrode slurry, characterized in that it includes a frame in which a host (1), a rotor pump (8), a vacuum buffer tank (5), and a discharge buffer are installed. The tank (13) and the diaphragm pump (11), the rotor pump (8) are connected to the feed port (10) on one side of the frame, and the flow meter (7 ), a pressure sensor (6) and a thermometer (9), one side of the host (1) is connected to the cooling water pipe (3) through a water pipe joint (4), the host (1) is connected to the discharge buffer tank (13), and the discharge buffer A liquid level gauge (2) and a pressure gauge (15) are installed on the tank (13), the discharge buffer tank (13) is connected with the diaphragm pump (11), and the diaphragm pump (11) is connected with the discharge port (12) on the frame. ) connection, the frame is also connected with the discharge cooling pipe (14) positioned at the discharge port (12) side; The main engine (1) includes a machine base (100), on which a main shaft (101) is installed, and the main shaft (101) runs through the cooling chamber (102), the pump body (103) and the dispersing chamber (104), and the dispersing chamber (104) is fixedly connected with the pump body (103), and one side of the pump body (103) has a discharge pipe (105), and the impeller is installed on the main shaft (101) in the dispersion chamber (104) through the impeller chassis (106) (107), a screen cloth (108) is installed on the periphery of the impeller (107), a feed pipe (110) is installed on the bottom plate (109) of the dispersion chamber (104), and a feed pipe (110) is installed on the periphery of the feed pipe (110). Feed cooling chamber (111). 2. The special ultra-fine dispersion system for new lithium battery electrode slurry according to claim 1, characterized in that: the maximum mesh of the screen (108) is 200 mesh, and the size range of the mesh gap is: 0.15mm ~0.5mm. 3. The special ultra-fine dispersion system for new lithium battery electrode slurry according to claim 1, characterized in that: the inner wall of the dispersion chamber (104) is wave-shaped, and the range of distance from the outer wall of the screen (108) is: 3mm -5mm. 4. The special ultra-fine dispersion system for new lithium battery electrode slurry according to claim 1, characterized in that: the linear speed of rotation of the impeller (107) ranges from 50 to 80 m/s.