CN205295010U - Lithium cell waste water's processing and recovery system - Google Patents
Lithium cell waste water's processing and recovery system Download PDFInfo
- Publication number
- CN205295010U CN205295010U CN201520953545.4U CN201520953545U CN205295010U CN 205295010 U CN205295010 U CN 205295010U CN 201520953545 U CN201520953545 U CN 201520953545U CN 205295010 U CN205295010 U CN 205295010U
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- Prior art keywords
- tank
- nmp
- pump
- sludge
- water
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- 238000011084 recovery Methods 0.000 title claims abstract description 37
- 239000002351 wastewater Substances 0.000 title claims abstract description 30
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 18
- 238000012545 processing Methods 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000004062 sedimentation Methods 0.000 claims abstract description 17
- 238000005189 flocculation Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 230000016615 flocculation Effects 0.000 claims abstract description 11
- 239000010802 sludge Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 23
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000011001 backwashing Methods 0.000 claims description 10
- 238000005345 coagulation Methods 0.000 claims description 9
- 230000015271 coagulation Effects 0.000 claims description 9
- 239000006228 supernatant Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract 1
- 238000011268 retreatment Methods 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 25
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- -1 after process Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a lithium cell waste water's processing and recovery system, including the workshop catch basin that connects gradually, pH value equalizing basin, thoughtlessly congeal reaction tank, flocculation reaction tank, high -efficient sedimentation tank, middle pond, elective filtration ware, retrieval and utilization water tank and NMP recovery system, the reuse water incasement is provided with the NMP measuring instrument, and the retrieval and utilization water tank passes through NMP recovery pump to be connected with NMP recovery system, and NMP measuring instrument, NMP retrieve the pump and all be connected with main control unit. Utility model carries on to the waste water of lithium cell that the pH value is adjusted, suspended particles's thoughtlessly congeal flocculation, sediment and elective filtration handle, separate impurity such as suspended solid wherein, then the reuse water after handling carries out recycling, and retreatment, the NMP concentration of reuse water reaches the standard of recovery in the retrieval and utilization water tank, promotes to the NMP recovery system in by retrieving the pump again, handles and sublimates wherein NMP, realizes salvaging.
Description
Technical field
This utility model relates to the process field producing waste water, and specifically a kind of lithium battery produces process and the recovery system of waste water.
Background technology
The production on-site of lithium battery, water source is mostly used for positive pole and closes the production waste water of slurry bucket and coating machine, containing organic solvents such as substantial amounts of N-Methyl pyrrolidone (NMP) in waste water. Organic substance therein and float are all decomposed and dispose by the system of existing process waste water mostly, it is impossible to NMP therein is recycled, causes the waste of the energy.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of lithium battery and produces process and the recovery system of waste water, the float etc. that lithium battery can be produced in waste water is easily separated process, simultaneously, when in sewage, NMP concentration reaches recovery standard, production waste water lifting to NMP recovery system after process is carried out processing and purifying by recovery pump, it is achieved twice laid.
The technical solution of the utility model is:
A kind of lithium battery produces process and the recovery system of waste water, includes the workshop collecting-tank, pH value regulating reservoir, coagulation reaction tank, flocculation tank, efficient sedimentation tank, intermediate pool, selective filter, reuse water tank and the NMP recovery system that are sequentially connected with; The filtration turnover water end (W.E.) of described selective filter is provided with pressure difference transmitter, filter is provided with filtration Inlet and outlet water valve and backwash Inlet and outlet water valve, filter is connected to the intake pump being connected with filtered water inlet end and the backwashing pump being connected with backwash water inlet end, described pressure difference transmitter, filters Inlet and outlet water valve, backwash Inlet and outlet water valve, intake pump and backwashing pump and be all connected with master controller; Being provided with NMP measuring instrument in described reuse water tank, reuse water tank is connected with NMP recovery system by NMP recovery pump, and described NMP measuring instrument, NMP recovery pump are all connected with master controller.
Being provided with liquid level sensor and dosing pump in described pH value regulating reservoir, coagulation reaction tank, flocculation tank, described liquid level sensor and dosing pump are all connected with described master controller.
It is provided with, in described pH value regulating reservoir, the pH value comparator being connected with master controller.
Described efficient sedimentation tank is connected with sludge-tank by sludge pump, the sludge outlet of sludge-tank is connected with sludge filter press by sludge delivery pump, being respectively arranged with the first mud liquidometer and the second mud liquidometer in efficient sedimentation tank and sludge-tank, described the first mud liquidometer, the second mud liquidometer, sludge pump, sludge delivery pump and sludge filter press are all connected with described master controller; The supernatant drain valve of described sludge-tank is connected with master controller, and is connected to time controller on described master controller.
Described selective filter includes the first filter and the second filter that are sequentially connected with.
The supernatant outlet of described efficient sedimentation tank is connected with the water inlet of intermediate pool by triangle downflow weir.
Advantage of the present utility model:
The production waste water of lithium battery is carried out pH value adjustment by this utility model, the coagulation-flocculation of particle processes, precipitation and selective filter process, by LFP in waste water, S-P, , KS, the water-fast powder such as PVDF and float are removed completely, to the essentially no removal effect of dissolved organic matter NMP in waste water, after process, water quality is as clear as crystal, positive pole batch can be cleaned, coating machine, namely it carry out air-dry after cleaning, the quality of subsequent product will not be produced impact, then waste water is produced through reprocessing, until the NMP concentration of recycle-water reaches recovery standard in reuse water tank, it is promoted in NMP recovery system again, NMP therein is processed and purifies, recycle, produce waste water circulation and process the NMP reclaimed in waste water, waste water closed cycle can be realized and zero-emission, cleaning produce, it does not have the risk that environmental pollution accident occurs, respond the strategy of sustainable development of country, reduce the exploitation to Resources, improve comprehensive utilization of resources level. pH value regulating reservoir of the present utility model, coagulation reaction tank, flocculation tank dosing pump and liquid level sensor realize linkage, when lower than when setting level value, dosing pump is automatically stopped dosing, it is to avoid the waste of medicament, pH value in this utility model pH value regulating reservoir is adjusted to Automated condtrol, when pH value of sewage water is lower than set point, automatically turns on lime milk dosing pump, and after feeding lime breast reaches standard to pH value, master controller is automatically switched off dosing pump, efficient sedimentation tank of the present utility model, sludge-tank blowdown adopt master controller Automated condtrol, improve work efficiency, this utility model filter is connected to backwashing equipment, selective filter is through the operation of a period of time, water pollutant meeting blocking filter, backwashing equipment is just utilized to carry out backwash, backwash draining is from flowing into workshop collecting-tank, re-start process, it is ensured that whole process equipment properly functioning.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is control principle block diagram of the present utility model.
Detailed description of the invention
See that a kind of lithium battery of Fig. 1 produces process and the recovery system of waste water, include workshop collecting-tank 1, pH value regulating reservoir 2, coagulation reaction tank 3, flocculation tank 4, efficient sedimentation tank 5, intermediate pool the 6, first filter 7 and the second filter 8 and reuse water tank 9, NMP recovery system 18 that are sequentially connected with;
The filtration turnover water end (W.E.) of the first filter 7 and the second filter 8 is provided with pressure difference transmitter 10, first filter 7 and the second filter 8 are provided with filtration Inlet and outlet water valve 11 and backwash Inlet and outlet water valve 12, being respectively connected with the intake pump 13 being connected with filtered water inlet end and the backwashing pump 14 being connected with backwash water inlet end on first filter 7 and the second filter 8, pressure difference transmitter 10, filtration Inlet and outlet water valve 11, backwash Inlet and outlet water valve 12, intake pump 13 and backwashing pump 14 are all connected with master controller 15;
Being provided with NMP measuring instrument 16 in reuse water tank 9, reuse water tank 9 is connected with NMP recovery system 18 by NMP recovery pump 17, and NMP measuring instrument 16, NMP recovery pump 17 are all connected with master controller 15;
Liquid level sensor 19 and dosing pump 20 it is provided with in pH value regulating reservoir 2, coagulation reaction tank 3, flocculation tank 4, being provided with the pH value comparator 21 being connected with master controller 13 in pH value regulating reservoir 2, pH value comparator 21, liquid level sensor 19 and dosing pump 20 are all connected with master controller 15; Efficient sedimentation tank 5 is connected with sludge-tank 25 by sludge pump 24, the sludge outlet of sludge-tank 25 is connected with sludge filter press 27 by sludge delivery pump 26, being respectively arranged with the first mud liquidometer 22 and the second mud liquidometer 23 in efficient sedimentation tank 5 and sludge-tank 25, first mud liquidometer the 22, second mud liquidometer 23, sludge pump 24, sludge delivery pump 26 and sludge filter press 27 are all connected with master controller 15; The supernatant drain valve 28 of sludge-tank is connected with master controller 15, and is connected to time controller 29 on master controller 15; The supernatant outlet of efficient sedimentation tank 5 is connected with the water inlet of intermediate pool 6 by triangle downflow weir.
Operation principle of the present utility model:
Lithium battery produces waste water through plant effluent collecting pipe from flowing into workshop collecting-tank 1, being promoted to pH again and adjust feeding lime breast adjustment pH value in adjustment pond 2, pond 2, pH, pH adjusts in pond 2 and sets pH value comparator 21, to realize pH value comparator 21 and the linkage of dosing pump 20, control pH in suitable scope, water outlet carries out coagulation-flocculation reaction from inflow coagulation reaction tank 3 and flocculation tank 4, liquid level sensor 19 detects the water level of waste water in pH value regulating reservoir 2, coagulation reaction tank 3, flocculation tank 4, when water level is lower than when setting level value, dosing pump 20 is automatically stopped dosing, it is to avoid the waste of medicament, then the waste water after processing is from flowing into efficient sedimentation tank 5, carry out mud-water separation, first mud liquidometer 22 gathers the sludge quantity in efficient sedimentation tank 5, after sludge settling accumulates certain altitude, sludge pump 24 opened by master controller 15, mud is entered sludge-tank 25, time controller 29 indicates master controller 15 to open sludge-tank supernatant drain valve 28, supernatant after being concentrated by sludge-tank 25 enters collecting-tank and again processes, sludge delivery pump 26 is set in sludge-tank, when the second mud liquidometer 23 detects after the sludge settling concentration certain altitude in sludge-tank 25, automatically turn on sludge delivery pump 25, sludge lifting after concentration is carried out filter-press dehydration to sludge filter press 27, mud after filter-press dehydration moves to mud dolly, regularly transports outward disposal, the supernatant of efficient sedimentation tank 5 continues on through triangle downflow weir from flowing into intermediate pool 6, it is promoted to the first filter 7 and the second filter 8 again by pump, discharge water to workshop reuse water tank 9 recycle, water after recycling continues repeat the above steps and processes, until the NMP concentration of recycle-water reaches recovery standard in reuse water tank 9, it is promoted in NMP recovery system 18 again, NMP therein is processed and purifies, it is achieved twice laid.
The filtration turnover water end (W.E.) of the first filter 7 and the second filter 8 is provided with pressure difference transmitter 10, when filter water outlet reduces, effluent quality is deteriorated, when Inlet and outlet water hydraulic pressure becomes big, pressure difference transmitter 10 will signal to master controller 15, master controller 15 cuts out and filters Inlet and outlet water valve 11 and intake pump 13, and open backwash Inlet and outlet water valve 12 and backwashing pump 14, carry out backwash filter, after backwash a period of time, it is automatically switched off backwash Inlet and outlet water valve 12 and backwashing pump 14, opens and filter Inlet and outlet water valve 11 and intake pump 13, can properly functioning filtration.
Claims (6)
1. a lithium battery produces process and the recovery system of waste water, it is characterised in that: include the workshop collecting-tank, pH value regulating reservoir, coagulation reaction tank, flocculation tank, efficient sedimentation tank, intermediate pool, selective filter, reuse water tank and the NMP recovery system that are sequentially connected with; The filtration turnover water end (W.E.) of described selective filter is provided with pressure difference transmitter, filter is provided with filtration Inlet and outlet water valve and backwash Inlet and outlet water valve, filter is connected to the intake pump being connected with filtered water inlet end and the backwashing pump being connected with backwash water inlet end, described pressure difference transmitter, filters Inlet and outlet water valve, backwash Inlet and outlet water valve, intake pump and backwashing pump and be all connected with master controller; Being provided with NMP measuring instrument in described reuse water tank, reuse water tank is connected with NMP recovery system by NMP recovery pump, and described NMP measuring instrument, NMP recovery pump are all connected with master controller.
2. a kind of lithium battery according to claim 1 produces process and the recovery system of waste water, it is characterized in that: being provided with liquid level sensor and dosing pump in described pH value regulating reservoir, coagulation reaction tank, flocculation tank, described liquid level sensor and dosing pump are all connected with described master controller.
3. a kind of lithium battery according to claim 2 produces process and the recovery system of waste water, it is characterised in that: it is provided with, in described pH value regulating reservoir, the pH value comparator being connected with master controller.
4. a kind of lithium battery according to claim 1 produces process and the recovery system of waste water, it is characterized in that: described efficient sedimentation tank is connected with sludge-tank by sludge pump, the sludge outlet of sludge-tank is connected with sludge filter press by sludge delivery pump, being respectively arranged with the first mud liquidometer and the second mud liquidometer in efficient sedimentation tank and sludge-tank, described the first mud liquidometer, the second mud liquidometer, sludge pump, sludge delivery pump and sludge filter press are all connected with described master controller; The supernatant drain valve of described sludge-tank is connected with master controller, and is connected to time controller on described master controller.
5. a kind of lithium battery according to claim 1 produces process and the recovery system of waste water, it is characterised in that: described selective filter includes the first filter and the second filter that are sequentially connected with.
6. a kind of lithium battery according to claim 1 produces process and the recovery system of waste water, it is characterised in that: the supernatant outlet of described efficient sedimentation tank is connected with the water inlet of intermediate pool by triangle downflow weir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520953545.4U CN205295010U (en) | 2015-11-26 | 2015-11-26 | Lithium cell waste water's processing and recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520953545.4U CN205295010U (en) | 2015-11-26 | 2015-11-26 | Lithium cell waste water's processing and recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205295010U true CN205295010U (en) | 2016-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520953545.4U Expired - Fee Related CN205295010U (en) | 2015-11-26 | 2015-11-26 | Lithium cell waste water's processing and recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205295010U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293782A (en) * | 2015-11-26 | 2016-02-03 | 安徽中环环保科技股份有限公司 | System for treating and recycling waste water resulting from lithium battery production |
| CN108059292A (en) * | 2017-11-28 | 2018-05-22 | 南京环保产业创新中心有限公司 | Lithium ion battery produces the processing method of wastewater zero discharge |
-
2015
- 2015-11-26 CN CN201520953545.4U patent/CN205295010U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293782A (en) * | 2015-11-26 | 2016-02-03 | 安徽中环环保科技股份有限公司 | System for treating and recycling waste water resulting from lithium battery production |
| CN108059292A (en) * | 2017-11-28 | 2018-05-22 | 南京环保产业创新中心有限公司 | Lithium ion battery produces the processing method of wastewater zero discharge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: System for treating and recycling waste water resulting from lithium battery production Effective date of registration: 20190621 Granted publication date: 20160608 Pledgee: Bank of Hangzhou Limited by Share Ltd. Hefei branch Pledgor: ANHUI ZHONGHUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: 2019340000327 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210129 Granted publication date: 20160608 Pledgee: Bank of Hangzhou Limited by Share Ltd. Hefei branch Pledgor: ANHUI ZHONGHUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: 2019340000327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 |