CN-119591226-B - Waste water treatment system for lead-acid storage battery production

CN119591226BCN 119591226 BCN119591226 BCN 119591226BCN-119591226-B

Abstract

The invention discloses a wastewater treatment system for lead-acid storage battery production, and relates to the technical field of wastewater treatment. The alkaline material neutralizing and precipitating device comprises a neutralizing and precipitating tank, wherein a throwing device for throwing alkaline materials into water of the neutralizing and precipitating tank and a conveying device arranged on the bank and used for conveying the alkaline materials into the throwing device are arranged in the neutralizing and precipitating tank, the throwing device comprises a first vertical pipe communicated with the conveying device, the bottom end of the first vertical pipe is connected with a horn mouth A, and a convex edge which is partially inserted below the liquid level is arranged at a port of the horn mouth A. According to the invention, through the arrangement of the throwing device, lime is directly introduced into the water body when the lime is thrown into the wastewater, so that powdery stones are prevented from being dissipated into the air after the high altitude is lowered, and pollution is caused to the surrounding environment.

Inventors

ZHANG QINGDONG
Feng Chunwu
BO WENSHAN
LI WEI
ZHANG QIANG

Assignees

安徽轰达电源有限公司

Dates

Publication Date: 20260505
Application Date: 20241015

Claims (5)

1. The wastewater treatment system for the production of the lead-acid storage battery is characterized by comprising a neutralization sedimentation tank, wherein a delivery device (2) for delivering alkaline substances into water in the neutralization sedimentation tank is arranged in the neutralization sedimentation tank, and the wastewater treatment system also comprises a conveying device (1) which is arranged on the bank and used for conveying the alkaline substances into the delivery device (2), the delivery device (2) comprises a first vertical pipe (21) communicated with the conveying device (1), the bottom end of the first vertical pipe (21) is connected with a bell mouth A (22), a convex edge (23) which is partially inserted below the liquid level is arranged at the port of the bell mouth A (22), and a plurality of openings (221) are formed in the bell mouth A (22); An annular electromagnet (24) is arranged on the peripheral side wall of the first vertical pipe (21), a pipe sleeve (26) which moves along the axial direction of the first vertical pipe (21) is sleeved outside the first vertical pipe (21), an annular magnet (25) is arranged at the top of the pipe sleeve (26), and a bell mouth B (27) which is blocked on the bell mouth A (22) is arranged at the bottom end of the pipe sleeve (26); the floating structure comprises a convex edge (23), a cross rod (291) and rectangular connecting frames (28), wherein four U-shaped clamping blocks (292) are connected to the convex edge (23), one side of each U-shaped clamping block (292) is connected with the cross rod (291), the end part of each cross rod (291) is connected with a floating barrel (29), the four corner sides of each rectangular connecting frame (28) are fixedly connected to one floating barrel (29), at least two through holes are formed in the bottom of each floating barrel (29), two adjacent floating barrels (29) are communicated through a pipeline, and two ends of each pipeline are respectively communicated with the through holes in the bottoms of the two floating barrels (29); when the annular electromagnet (24) is electrified, the annular electromagnet (24) and the annular magnet (25) repel each other, and the bell mouth B (27) is abutted against the outer side wall of the bell mouth A (22); when the annular electromagnet (24) is powered off, the annular electromagnet (24) and the annular magnet (25) are attracted, and a gap exists between the bell mouth B (27) and the bell mouth A (22).
2. The wastewater treatment system for lead-acid battery production according to claim 1, wherein the conveying device (1) comprises a screw feeder, the end part of the screw feeder is communicated with a second vertical pipe (12) inserted into the first vertical pipe (21), the end part of the second vertical pipe (12) is connected with a rubber sleeve (11), and the end part of the screw feeder is provided with a connecting part connected with the rubber sleeve (11).
3. The wastewater treatment system for lead-acid storage battery production according to claim 2, wherein at least three telescopic rods (13) are arranged on the peripheral side wall of the bottom end of the second vertical pipe (12), and balls rolling along the inside of the first vertical pipe (21) are embedded at the end parts of the telescopic rods (13).
4. A wastewater treatment system for lead-acid storage battery production according to claim 2 or 3, characterized in that a blanking opening (213) with an opening gradually decreasing from top to bottom is connected to the inner wall of a first vertical pipe (21) positioned right below the second vertical pipe (12); And a conical cover (214) is connected to the inner wall of the first vertical pipe (21) right below the blanking opening (213) through a connecting block.
5. The wastewater treatment system for lead-acid battery production according to claim 1, further comprising a bracket fixed in the neutralization sedimentation tank, the bracket comprising a supporting frame (20) supported by a plurality of struts (201); The top of first standpipe (21) sets up flange (211), set up four uide bushing (212) on flange (211), support frame (20) bottom side is provided with T type guide bar (202) that run through uide bushing (212).

Description

Waste water treatment system for lead-acid storage battery production Technical Field The invention belongs to the technical field of wastewater treatment, and particularly relates to a wastewater treatment system for lead-acid storage battery production. Background In the manufacturing process of the lead-acid storage battery, the generated acidic heavy metal industrial wastewater mainly contains harmful heavy metal elements such as lead, cadmium and the like. If the wastewater is directly discharged without proper treatment, serious pollution is caused to the environment, and the sustainable development of human health and agriculture industry is threatened. At present, aiming at the treatment of industrial wastewater of lead-acid batteries, methods such as physical, chemical precipitation, biological treatment and the like are mainly adopted. The methods can effectively remove heavy metals to a certain extent and reduce environmental pollution. The lead acid battery manufacturing industry adopts innovative wastewater treatment technology, including neutralization precipitation, flocculation separation, air flotation separation, adsorption and ion exchange recovery, advanced oxidation technology, membrane separation technology and the like, wherein the neutralization precipitation is realized by adding alkaline substances such as lime, sodium hydroxide and the like to acidic wastewater for neutralization reaction, adjusting pH to neutral or weak alkaline, promoting lead ions and hydroxide ions to combine to generate insoluble lead hydroxide precipitation, and further, if powdery lime is directly added into sewage, the powdery lime can escape into the air, thereby influencing the surrounding air quality. Disclosure of Invention The invention aims to provide a wastewater treatment system for lead-acid storage battery production, which is used for directly introducing lime into a water body when the lime is thrown into the wastewater through the arrangement of a throwing device, so that powdery stones are prevented from being dissipated into the air after the high altitude is lowered, and the problems raised by the background technology are solved. In order to solve the technical problems, the invention is realized by the following technical scheme: The invention relates to a wastewater treatment system for lead-acid storage battery production, which comprises a neutralization sedimentation tank, wherein a delivery device for delivering alkaline substances into water in the neutralization sedimentation tank is arranged in the neutralization sedimentation tank, and the wastewater treatment system also comprises a conveying device which is arranged at the bank and is used for conveying the alkaline substances into the delivery device; An annular electromagnet is arranged on the peripheral side wall of the first vertical pipe, a pipe sleeve moving along the axial direction of the first vertical pipe is sleeved outside the first vertical pipe, an annular magnet is arranged at the top of the pipe sleeve, and a bell mouth B which is blocked on the bell mouth A is arranged at the bottom end of the pipe sleeve; When the annular electromagnet is electrified, the annular electromagnet and the annular magnet repel each other, and the bell mouth B is propped against the outer side wall of the bell mouth A; When the annular electromagnet is powered off, the annular electromagnet and the annular magnet attract each other, and a gap exists between the horn mouth B and the horn mouth A. Further, the conveying device comprises a screw feeder, the end part of the screw feeder is communicated with a second vertical pipe inserted into the first vertical pipe, the end part of the second vertical pipe is connected with a rubber sleeve, and the end part of the screw feeder is provided with a connecting part connected with the rubber sleeve. Further, the bottom periphery lateral wall of second standpipe is provided with three piece at least telescopic link, the tip of telescopic link inlays and is equipped with along the inside rolling ball of first standpipe. Further, a blanking opening with an opening gradually reduced from top to bottom is connected to the inner wall of the first vertical pipe right below the second vertical pipe, and a conical cover is connected to the inner wall of the first vertical pipe right below the blanking opening through a connecting block. The device comprises a first vertical pipe, a second vertical pipe, a third vertical pipe, a fourth guide sleeve, a support fixed in the neutralization sedimentation tank, and a T-shaped guide rod penetrating through the guide sleeve, wherein the support comprises a support frame supported by a plurality of support posts, the top of the first vertical pipe is provided with a connecting flange, the connecting flange is provided with four guide sleeves, and the bottom side surface of the support frame is provided with a T-shaped guide rod penetrating through the guide