Slurry feeding and discharging device of lead slime precipitation machine

Abstract

The utility model belongs to the technical field of waste lead-acid storage battery treatment equipment, and particularly discloses a slurry feeding and discharging device of a lead slime precipitation machine, which comprises a first-stage vibrating screen A, a first-stage vibrating screen B, the lead slime precipitation machine, a second-stage vibrating screen, an acid liquor circulating tank I and an acid liquor circulating tank II, materials screened by the first-stage vibrating screen A and the first-stage vibrating screen B are conveyed to the rear part of the lead slime precipitation machine, and materials screened by the second-stage vibrating screen are conveyed to the middle part of the lead slime precipitation machine; an overflow port at the front part of the lead slime precipitation machine is sequentially connected with the acid liquor circulating tank I and the acid liquor circulating tank II in series; the acid liquor circulating tank I is connected with a sludge pump, and the acid liquor circulating tank II is connected with a water inlet pipe of the first-stage vibrating screen A, a water inlet pipe of the first-stage vibrating screen B and a water inlet pipe of the second-stage vibrating screen through an acid liquor circulating pump and connected with a feeding port of the second-stage vibrating screen through a water power separating pump. The vibrating screen is simple and compact in structure, convenient to transport and install, and capable of effectively solving the problems of screen body deformation and cracking and bearing damage caused by overlarge load during operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste lead-acid battery processing equipment, in particular to a slurry inlet and outlet device for a lead mud precipitator. Background Art

[0002] At present, the recovery of lead sludge from waste lead-acid batteries is usually concentrated in the lead sludge precipitator. Due to the unreasonable layout of the existing equipment, when processing large production capacity, there is often a phenomenon that the lead sludge and other materials are too much and the precipitation is not timely, resulting in blockage of pumps and pipes, unclean cleaning and sorting, and cracking of the first-level vibrating screen due to excessive load. Therefore, it is necessary to improve on the basis of the original process and equipment to solve the current problems. Summary of the invention

[0003] In order to solve the above technical problems, the utility model provides a lead mud sedimentation machine inlet and outlet slurry device which has a simple and compact structure, is easy to transport and install, can effectively prevent the deformation and cracking of the screen body and bearing damage caused by excessive load during operation, and can improve the recovery rate of lead mud.

[0004] The technical solution adopted by the utility model is: a slurry inlet and outlet device for a lead mud precipitator, characterized by comprising: a primary vibrating screen A, a primary vibrating screen B, a lead mud precipitator, a secondary vibrating screen, an acid circulation tank I and an acid circulation tank II;

[0005] The first-stage vibrating screen A and the first-stage vibrating screen B are installed on the lower hopper at the rear of the lead mud precipitator, and the second-stage vibrating screen is installed above the middle of the lead mud precipitator. The fine material discharge port of the first-stage vibrating screen A is located directly above the lower hopper, and the coarse material discharge port of the first-stage vibrating screen A is connected to the feed port of the first-stage vibrating screen B; the fine material discharge port of the first-stage vibrating screen B is located directly above the lower hopper; the fine material discharge port of the second-stage vibrating screen is connected to the middle feed port of the lead mud precipitator;

[0006] An overflow port is provided on the front side wall of the lead mud precipitator, the overflow port is connected to the acid circulation tank I through an overflow pipe, and the acid circulation tank I is connected to the acid circulation tank II through an overflow pipe II; the acid circulation tank I is connected to the water inlet of the sludge pump, the water outlet of the sludge pump is connected to the lower hopper, and the acid circulation tank II is respectively connected to the water inlets of the acid circulation pump and several hydrodynamic separation pumps;

[0007] The water outlet of the acid circulation pump is connected to the water inlet pipe of the first-stage vibrating screen A, the water inlet pipe of the first-stage vibrating screen B and the water inlet pipe of the second-stage vibrating screen respectively; the water outlet of the hydrodynamic separation pump is connected to the feed port of the second-stage vibrating screen.

[0008] Furthermore, the coarse material discharge port of the first-stage vibrating screen A and the feed port of the first-stage vibrating screen B are connected by a rubber hose.

[0009] Furthermore, the acid circulation tank II is connected to two hydraulic separation pumps, which are hydraulic separation pump I and hydraulic separation pump II respectively; the water outlets of the hydraulic separation pump I and the hydraulic separation pump II are respectively connected to the feed port of the secondary vibrating screen.

[0010] Furthermore, the acid circulation tank I is provided with a water inlet I, a water outlet and a pump connection port I; the acid circulation tank II is provided with a water inlet II, a pump connection port II, a pump connection port III and a pump connection port IV;

[0011] The sludge pump is connected to the pump connection port Ⅰ of the acid circulation tank Ⅰ through the pump inlet pipe Ⅰ; the acid circulation pump is connected to the pump connection port Ⅱ through the pump inlet pipe Ⅱ; the hydrodynamic separation pump Ⅰ is connected to the pump connection port Ⅲ through the pump inlet pipe Ⅲ; the hydrodynamic separation pump Ⅱ is connected to the pump connection port Ⅳ through the pump inlet pipe Ⅳ.

[0012] Furthermore, a water inlet III is provided on the side wall of the lower hopper, and the water outlet of the sludge pump is connected to the water inlet III through a pipeline I.

[0013] Furthermore, the overflow port of the lead sludge precipitator is connected to the water inlet Ⅰ of the acid circulation tank Ⅰ through an overflow pipe; the water outlet of the acid circulation tank Ⅰ is connected to the water inlet Ⅱ of the acid circulation tank Ⅱ through an overflow pipe Ⅱ.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The utility model has a simple and compact structure, which is convenient for processing, manufacturing, transportation and installation.

[0016] (2) The utility model manufactures a first-stage vibrating screen into a first-stage vibrating screen A and a first-stage vibrating screen B which are connected in series. When the output is high, the problem of deformation and cracking of the screen body and damage to the bearings caused by excessive load can be prevented.

[0017] (3) The first-stage vibrating screen A and the first-stage vibrating screen B of the utility model are installed on the lower hopper at the rear of the lead sludge precipitator. Most of the lead sludge in the material falls into the rear of the lead sludge precipitator, which is far away from the overflow port, so that the lead sludge can be fully precipitated. Very little lead sludge overflows into the acid circulation tank I, thereby improving the recovery rate of the lead sludge.

[0018] (4) The utility model provides a sludge pump on the acid circulation tank I, which can reduce the lead sludge overflowing into the acid circulation tank II, making the flushing water of the acid circulation pump, the hydrodynamic separation pump I and the hydrodynamic separation pump II clean, which is beneficial to the cleaning and sorting of materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model.

[0020] Figure 2 yes Figure 1AA section view in.

[0021] Figure 3 yes Figure 1 BB section view in.

[0022] Figure 4 yes Figure 1 CC section view in.

[0023] In the figure: 1-first-stage vibrating screen A, 2-rubber hose, 3-first-stage vibrating screen B, 4-pipeline I, 5-second-stage vibrating screen, 6-lead mud precipitator, 7-overflow port, 8-overflow pipe, 9-water inlet I, 10-acid circulation tank I, 11-sludge pump, 12-pump water inlet pipe I, 13-pump connection port I, 14-overflow pipe II, 15-water outlet, 16-water inlet II, 17-acid circulation tank II, 18-pump connection port II, 19-pump water inlet pipe II, 20-pipeline II, 21-acid circulation pump, 22-pump water inlet pipe III, 23-pump connection port III, 24-hydrodynamic separation pump I, 25-hydrodynamic separation pump II, 26-pump water inlet pipe IV, 27-pump connection port IV, 28-pipeline III, 29-pipeline IV, 30-feeding port, 31-water inlet pipe III, 32-water inlet pipe I, 33-water inlet pipe II, 34-lower hopper, 35-water inlet III. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figure 1-4 As shown, the utility model includes a primary vibrating screen A1, a primary vibrating screen B3, a lead mud precipitator 6, a secondary vibrating screen 5, an acid circulation tank I10 and an acid circulation tank II17.

[0026] The first-stage vibrating screen A1 and the first-stage vibrating screen B3 are installed on the lower hopper 34 at the rear of the lead mud precipitator 6, and the second-stage vibrating screen 5 is installed above the middle of the lead mud precipitator 6. The fine material discharge port of the first-stage vibrating screen A1 is located directly above the lower hopper 34, and the coarse material discharge port of the first-stage vibrating screen A1 is connected to the feed port of the first-stage vibrating screen B3 through a rubber hose 2. The fine material discharge port of the first-stage vibrating screen B3 is located directly above the lower hopper 34, and the fine material (lead mud) screened by the first-stage vibrating screen A and the first-stage vibrating screen B directly falls into the rear of the lead mud precipitator 6. The fine material discharge port of the second-stage vibrating screen 5 is connected to the middle feed port of the lead mud precipitator 6.

[0027] An overflow port 7 is provided on the front side wall of the lead sludge precipitator 6, and the overflow port 7 is connected to the acid circulation tank Ⅰ10 through an overflow pipe 8. The first-stage vibrating screen A1 and the first-stage vibrating screen B3 are far away from the overflow port 7, so that the lead sludge can be fully precipitated. The lead sludge overflowing into the acid circulation tank Ⅰ10 is very small, thereby improving the recovery rate of the lead sludge.

[0028] The acid circulation tank Ⅰ10 is provided with a water inlet Ⅰ9, a water outlet 15 and a pump connection port Ⅰ13. The acid circulation tank Ⅱ17 is provided with a water inlet Ⅱ16, a pump connection port Ⅱ18, a pump connection port Ⅲ23 and a pump connection port Ⅳ27. The sludge pump 11 is connected to the pump connection port Ⅰ13 of the acid circulation tank Ⅰ10 through the pump water inlet pipe Ⅰ12; the side wall of the lower hopper 34 is provided with a water inlet Ⅲ35; the water outlet of the sludge pump 11 is connected to the water inlet Ⅲ35 through the pipeline Ⅰ4.

[0029] The overflow port 7 of the lead mud precipitator 6 is connected to the water inlet port Ⅰ9 of the acid circulation tank Ⅰ10 through an overflow pipe 8; the water outlet 15 of the acid circulation tank Ⅰ10 is connected to the water inlet port Ⅱ16 of the acid circulation tank Ⅱ17 through an overflow pipe Ⅱ14. The acid circulation pump 21 is connected to the pump connection port Ⅱ18 through the pump inlet pipe Ⅱ19; the hydrodynamic separation pump Ⅰ24 is connected to the pump connection port Ⅲ23 through the pump inlet pipe Ⅲ22; the hydrodynamic separation pump Ⅱ25 is connected to the pump connection port Ⅳ27 through the pump inlet pipe Ⅳ26.

[0030] The water outlet of the acid circulation pump 21 is connected to the water inlet pipe I32 of the first-stage vibrating screen A1, the water inlet pipe II33 of the first-stage vibrating screen B3 and the water inlet pipe III31 of the second-stage vibrating screen through the pipeline II20. The water outlet of the hydrodynamic separation pump I24 is connected to the feed port 30 of the second-stage vibrating screen 5 through the pipeline III28; the water outlet of the hydrodynamic separation pump II25 is connected to the feed port 30 of the second-stage vibrating screen 5 through the pipeline IV29. The sludge pump 11 can reduce the lead sludge overflowing into the acid circulation tank II17, making the flushing water of the acid circulation pump 21, the hydrodynamic separation pump I24 and the hydrodynamic separation pump II25 clean, which is beneficial to the cleaning and sorting of materials.

Claims

1. A slurry inlet and outlet device for a lead sludge precipitator, characterized by: It includes primary vibrating screen A, primary vibrating screen B, lead mud precipitator, secondary vibrating screen, acid circulation tank I and acid circulation tank II; The first-stage vibrating screen A and the first-stage vibrating screen B are installed on the lower hopper at the rear of the lead mud precipitator, and the second-stage vibrating screen is installed above the middle of the lead mud precipitator. The fine material discharge port of the first-stage vibrating screen A is located directly above the lower hopper, and the coarse material discharge port of the first-stage vibrating screen A is connected to the feed port of the first-stage vibrating screen B; the fine material discharge port of the first-stage vibrating screen B is located directly above the lower hopper; The fine material outlet of the secondary vibrating screen is connected to the middle feed port of the lead mud precipitator; An overflow port is provided on the front side wall of the lead mud precipitator, and the overflow port is connected to the acid circulation tank I through an overflow pipe, and the acid circulation tank I is connected to the acid circulation tank II through an overflow pipe II; the acid circulation tank I is connected to the water inlet of the sludge pump, and the water outlet of the sludge pump is connected to the lower hopper; the acid circulation tank II is respectively connected to the water inlets of the acid circulation pump and several water power separation pumps; The water outlet of the acid circulation pump is connected to the water inlet pipe of the first-stage vibrating screen A, the water inlet pipe of the first-stage vibrating screen B and the water inlet pipe of the second-stage vibrating screen respectively; the water outlet of the hydrodynamic separation pump is connected to the feed port of the second-stage vibrating screen.

2. The slurry inlet and outlet device of the lead mud precipitator according to claim 1 is characterized in that: The coarse material discharge port of the first-stage vibrating screen A and the feed port of the first-stage vibrating screen B are connected by a rubber hose.

3. The slurry inlet and outlet device of the lead mud precipitator according to claim 1 is characterized in that: The acid circulation tank II is connected to two hydraulic separation pumps, which are hydraulic separation pump I and hydraulic separation pump II respectively; the water outlets of the hydraulic separation pump I and the hydraulic separation pump II are respectively connected to the feed inlet of the secondary vibrating screen.

4. The slurry inlet and outlet device of the lead mud precipitator according to claim 3 is characterized in that: The acid circulation tank I is provided with a water inlet I, a water outlet and a pump connection port I; the acid circulation tank II is provided with a water inlet II, a pump connection port II, a pump connection port III and a pump connection port IV; The sludge pump is connected to the pump connection port Ⅰ of the acid circulation tank Ⅰ through the pump inlet pipe Ⅰ; the acid circulation pump is connected to the pump connection port Ⅱ through the pump inlet pipe Ⅱ; the hydrodynamic separation pump Ⅰ is connected to the pump connection port Ⅲ through the pump inlet pipe Ⅲ; the hydrodynamic separation pump Ⅱ is connected to the pump connection port Ⅳ through the pump inlet pipe Ⅳ.

5. The slurry inlet and outlet device of the lead mud precipitator according to claim 1 is characterized in that: A water inlet III is arranged on the side wall of the lower hopper; the water outlet of the sludge pump is connected with the water inlet III through a pipeline I.

6. The slurry inlet and outlet device of the lead mud precipitator according to claim 1 is characterized by: The overflow port of the lead sludge precipitator is connected to the water inlet Ⅰ of the acid circulation tank Ⅰ through an overflow pipe; the water outlet of the acid circulation tank Ⅰ is connected to the water inlet Ⅱ of the acid circulation tank Ⅱ through an overflow pipe Ⅱ.

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