CN211595372U - Waste battery wastewater treatment system - Google Patents

Waste battery wastewater treatment system Download PDF

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Publication number
CN211595372U
CN211595372U CN201922501442.5U CN201922501442U CN211595372U CN 211595372 U CN211595372 U CN 211595372U CN 201922501442 U CN201922501442 U CN 201922501442U CN 211595372 U CN211595372 U CN 211595372U
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China
Prior art keywords
tank
sludge
wastewater treatment
treatment
wastewater
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CN201922501442.5U
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Chinese (zh)
Inventor
戴双建
李传家
王军
张跃平
邵为
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Guangdong Wanlyu Environmental Protection Engineering Co ltd
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Guangdong Wanlyu Environmental Protection Engineering Co ltd
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Abstract

The utility model relates to the technical field of wastewater treatment, in particular to a waste battery wastewater treatment system, which comprises a regulating tank, an electric flocculation device, a primary sedimentation tank, a first middle water tank, an ABR anaerobic tank, an anoxic tank, a tertiary aerobic tank, a second middle water tank, a coagulation reaction tank, a secondary sedimentation tank and a discharge tank which are sequentially communicated and arranged along the wastewater conveying direction; the wastewater treatment system is also provided with a sludge treatment module for collecting and treating sludge sediment; compared with the prior art, the sewage treatment system is reasonable in layout, the pretreatment device has strong desalting capacity, the biochemical system has good salt resistance, and the sludge treatment module is further arranged, so that the sewage treatment system has the characteristics of convenience in maintenance, stability in operation, energy conservation, environmental protection, economy, practicability and the like.

Description

Waste battery wastewater treatment system
Technical Field
The utility model relates to a waste water treatment technical field, concretely relates to waste battery effluent disposal system.
Background
At present, aiming at a waste power battery disassembling production line, battery disassembling wastewater is generated in a production process, main pollutants of the wastewater are battery disassembling soaking liquid, electrolyte and hydrolysis products in an electrolysis process, wherein COD, BOD, ammonia nitrogen, TN, TP and salt content are high, and the waste power battery disassembling production line has the characteristics of high metal ion content, high organic matter concentration, ammonia nitrogen, high total nitrogen content, high salt content and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an old and useless battery effluent disposal system of environmental protection to not enough among the prior art.
The purpose of the utility model is realized through the following technical scheme: the application provides a waste battery wastewater treatment system, which comprises a regulating tank, an electric flocculation device, a primary sedimentation tank, a first intermediate water tank, an ABR anaerobic tank, an anoxic tank, a third-stage aerobic tank, a second intermediate water tank, a coagulation reaction tank, a secondary sedimentation tank and a discharge tank, which are sequentially communicated and arranged along the wastewater conveying direction; the wastewater treatment system is also provided with a sludge treatment module for collecting and treating sludge sediment.
Wherein, the sludge treatment module comprises a sludge tank and a plate-and-frame filter press which are sequentially communicated and arranged along the sludge conveying direction, and the sludge tank is respectively communicated and arranged with the primary sedimentation tank, the second intermediate tank and the secondary sedimentation tank.
Wherein a sludge return channel is arranged between the second middle water tank and the anoxic tank.
Wherein, anaerobic salt-tolerant bacteria incubators or aerobic salt-tolerant bacteria incubators are arranged in the ABR anaerobic tank and the third-level aerobic tank.
The utility model has the advantages that: the working process of the waste battery wastewater treatment system is as follows: the battery waste water is stored in an adjusting tank, larger impurities in the water are intercepted, so that the blocking of subsequent facilities is avoided, the water quality is uniform, the water quantity is balanced, the preparation is made for a physicochemical stage, the waste water flows out of a clean water tank and enters an electric flocculation device, more CODcr and salinity are reduced, a certain amount of metal ions are removed, meanwhile, the biodegradability of the waste water is improved through the electrolytic oxidation effect, then, the waste water flows out of the electric flocculation device and enters a primary sedimentation tank, the sludge and water after the reaction of the electric flocculation device are mixed for solid-liquid separation, the separated waste water flows into a first intermediate water tank for buffering, then, the waste water flows into an ABR anaerobic tank, the organic matters are decomposed under the action of anaerobic microorganisms, part of COD and BOD are removed, meanwhile, the biodegradability of the waste water is further improved, the waste water flows out of the ABR anaerobic tank and then enters an anoxic tank, the organic matters in the anaerobic microorganisms are decomposed under the action, and meanwhile, the biodegradability of the sewage is further improved, then the wastewater enters a third-stage aerobic tank, pollutants such as organic matters in the wastewater are removed through biodegradation, the sewage is purified, the purified wastewater enters a second intermediate tank for buffering and then enters a coagulation reaction tank, coagulant and coagulant aid are added into the tank, particles which are difficult to precipitate in the water can be mutually polymerized to form colloid, then are combined with impurities in the water body to form larger floccules, then the wastewater enters a second precipitation tank for secondary precipitation, the effluent of the coagulation reaction tank is precipitated, the floccules of the effluent of the coagulation reaction tank are prevented from influencing the effluent quality, and finally, the treated wastewater enters a discharge tank for storage.
Compared with the prior art, this application effluent disposal system is rationally distributed, and preprocessing device has stronger desalination ability, and biochemical system has better salt-tolerant capability, still is provided with the sludge treatment module, has characteristics such as maintain convenience, operation stability, energy-conservation, environmental protection, economical and practical.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
FIG. 1 is a flow chart of a waste battery wastewater treatment system according to this embodiment.
Reference numerals: the system comprises a regulating tank 1, an electric flocculation device 2, a primary sedimentation tank 3, a first intermediate water tank 4, an ABR anaerobic tank 5, an anoxic tank 6, a third-level aerobic tank 7, a second intermediate water tank 8, a coagulation reaction tank 9, a secondary sedimentation tank 10, a releasing tank 11, an anaerobic salt-tolerant bacteria incubator 12, a sludge tank 13 and a plate and frame filter press 14.
Detailed Description
The invention will be further described with reference to the following examples.
The utility model discloses a waste battery effluent disposal system's embodiment, as shown in fig. 1, include along the equalizing basin 1, the electric flocculation device 2 that waste water direction of delivery communicates the setting in proper order, just sink pond 3, pond 4 in the middle of the first, ABR anaerobism pond 5, oxygen deficiency pond 6, tertiary good oxygen pond 7, pond 8 in the middle of the second, thoughtlessly congeal reaction tank 9, two sink ponds 10 and the pond 11 of releasing.
In this embodiment, the wastewater treatment system is further provided with a sludge treatment module for collecting and treating sludge precipitates. The sludge treatment module comprises a sludge tank 13 and a plate-and-frame filter press 14 which are sequentially communicated and arranged along the sludge conveying direction, and the sludge tank 13 is respectively communicated and arranged with the primary sedimentation tank 3, the second intermediate pool 8 and the secondary sedimentation tank 10. A sludge return channel is arranged between the second middle water tank 8 and the anoxic tank 6. Discharging the residual sludge, the humus sludge, the primary sludge generated by electric flocculation and the secondary sludge generated by coagulation sedimentation into a sludge tank 13, reducing the water content of the sludge through gravity concentration, lifting the sludge to a sludge dewatering room for sludge dewatering, delivering the sludge to a qualified treatment unit for treatment, and returning the filtrate to the regulating tank 1.
In this embodiment, the aerobic treatment is performed in a segmented treatment manner, so as to extend the length of the aerobic segment, so that the nitrification reaction is performed under the condition that the organic matter is fully degraded, anaerobic halotolerant bacteria incubators 12 are respectively arranged in the ABR anaerobic tank 5 and the tertiary aerobic tank 7, and in addition, the anaerobic halotolerant bacteria incubator 12 can be set as an aerobic halotolerant bacteria incubator according to the actual application condition.
The working process of the waste battery wastewater treatment system of the embodiment is as follows: the battery waste water is stored in the regulating tank 1, larger impurities in the water are intercepted, so that the blockage of subsequent facilities is avoided, the water quality is uniform, the water quantity is balanced, the preparation is made for the physicochemical stage, the waste water enters the electric flocculation device 2 from the clean water tank to reduce more CODcr and salinity, a certain amount of metal ions are removed, the biodegradability of the waste water is improved through the electrolytic oxidation effect, then the waste water enters the primary sedimentation tank 3 from the electric flocculation device 2 to mix muddy water reacted by the electric flocculation device 2 for solid-liquid separation, the separated waste water flows into the first intermediate water tank 4 for buffering, then flows into the ABR anaerobic tank 5 to be decomposed by utilizing organic matters under the action of anaerobic microorganisms, part of COD and BOD are removed, the biodegradability of the waste water is further improved, the waste water enters the anoxic tank 6 from the ABR anaerobic tank 5, the organic matters in the anaerobic tank are decomposed under the action of the facultative microorganisms, removing partial COD and BOD, further improving the biochemical property of the sewage, then enabling the wastewater to enter a third-level aerobic tank 7, removing organic matters, nutritive salts and the like in the wastewater through biodegradation in the third-level aerobic tank 7 to purify the sewage, enabling the purified wastewater to enter a second intermediate water tank 8 for buffering and then enter a coagulation reaction tank 9, adding a coagulant and a coagulant aid into the tank to enable particles which are difficult to precipitate in the water to mutually polymerize to form colloid, then combining the colloid with impurities in a water body to form larger floccules, enabling the wastewater to enter a secondary sedimentation tank 10 for secondary sedimentation, settling the effluent of the coagulation reaction tank 9, avoiding the floccules of the effluent of the coagulation reaction tank 9 from influencing the effluent quality, and finally enabling the treated wastewater to enter a drainage tank 11 for storage.
Compared with the prior art, the wastewater treatment system of this embodiment, this application sewage treatment system is rationally distributed, and preprocessing device has stronger desalination ability, and biochemical system has better salt resistance, still is provided with the sludge treatment module, has characteristics such as maintain convenience, operation stability, energy-conservation, environmental protection, economical and practical.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (4)

1. The utility model provides a waste battery effluent disposal system which characterized in that: the system comprises an adjusting tank, an electric flocculation device, a primary sedimentation tank, a first intermediate water tank, an ABR anaerobic tank, an anoxic tank, a third-stage aerobic tank, a second intermediate water tank, a coagulation reaction tank, a secondary sedimentation tank and a discharge tank which are sequentially communicated and arranged along the wastewater conveying direction;
the wastewater treatment system is also provided with a sludge treatment module for collecting and treating sludge sediment.
2. The waste battery wastewater treatment system according to claim 1, characterized in that: the sludge treatment module comprises a sludge tank and a plate-and-frame filter press which are sequentially communicated and arranged along the sludge conveying direction, and the sludge tank is respectively communicated and arranged with the primary sedimentation tank, the second intermediate tank and the secondary sedimentation tank.
3. The waste battery wastewater treatment system according to claim 1, characterized in that: and a sludge return channel is arranged between the second middle water tank and the anoxic tank.
4. The waste battery wastewater treatment system according to claim 1, characterized in that: anaerobic salt-tolerant bacteria incubators or aerobic salt-tolerant bacteria incubators are arranged in the ABR anaerobic tank and the third-level aerobic tank.
CN201922501442.5U 2019-12-31 2019-12-31 Waste battery wastewater treatment system Active CN211595372U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922501442.5U CN211595372U (en) 2019-12-31 2019-12-31 Waste battery wastewater treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922501442.5U CN211595372U (en) 2019-12-31 2019-12-31 Waste battery wastewater treatment system

Publications (1)

Publication Number Publication Date
CN211595372U true CN211595372U (en) 2020-09-29

Family

ID=72599825

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922501442.5U Active CN211595372U (en) 2019-12-31 2019-12-31 Waste battery wastewater treatment system

Country Status (1)

Country Link
CN (1) CN211595372U (en)

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