CN109748469A - A kind of battery diaphragm coating head cleaning wastewater treatment equipment and processing method - Google Patents
A kind of battery diaphragm coating head cleaning wastewater treatment equipment and processing method Download PDFInfo
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- CN109748469A CN109748469A CN201910208831.0A CN201910208831A CN109748469A CN 109748469 A CN109748469 A CN 109748469A CN 201910208831 A CN201910208831 A CN 201910208831A CN 109748469 A CN109748469 A CN 109748469A
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- Prior art keywords
- coating head
- battery diaphragm
- diaphragm coating
- waste water
- film
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- 239000011248 coating agent Substances 0.000 title claims abstract description 68
- 238000000576 coating method Methods 0.000 title claims abstract description 68
- 238000004140 cleaning Methods 0.000 title claims abstract description 49
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 21
- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 239000002351 wastewater Substances 0.000 claims abstract description 70
- 238000012545 processing Methods 0.000 claims abstract description 35
- 238000005096 rolling process Methods 0.000 claims abstract description 30
- 238000001728 nano-filtration Methods 0.000 claims abstract description 29
- 230000005484 gravity Effects 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 230000001112 coagulating effect Effects 0.000 claims abstract description 24
- 239000012528 membrane Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000001556 precipitation Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000004062 sedimentation Methods 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims description 15
- 230000003750 conditioning effect Effects 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- -1 nitrogenous compound Chemical class 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- 239000002957 persistent organic pollutant Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000006259 organic additive Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 150000004767 nitrides Chemical class 0.000 abstract description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005189 flocculation Methods 0.000 description 5
- 230000016615 flocculation Effects 0.000 description 5
- 229920002401 polyacrylamide Polymers 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 101150103639 PB1 gene Proteins 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention provides a kind of battery diaphragm coating head cleaning wastewater treatment equipment and processing method, and processing unit includes that gravity settling basin, coagulative precipitation tank, AO film biological processing unit pass sequentially through connecting pipe with rolling nanofiltration film unit and be connected to composition；Processing method includes obtaining clear water in the rolling nanofiltration film unit exit after so that battery diaphragm coating head is cleaned waste water followed by gravity settling basin, coagulative precipitation tank, AO film biological processing unit and rolling nanofiltration membrane cell processing.Using technical solution of the present invention, advanced treating is carried out to waste water by using a variety for the treatment of process such as sedimentation, coagulating sedimentation, AO membrane biological reaction and rolling nanofiltration systems, obtain clear water water quality more preferably, it reduces COD COD index and reduces the nitride in waste water, recycle battery diaphragm coating head cleaning waste water again.
Description
Technical field
The present invention relates to sewage treatment technology fields, particularly relate to a kind of battery diaphragm coating head cleaning wastewater treatment
Device and processing method.
Background technique
Diaphragm material is the important source material in battery industry production, since diaphragm material production domesticization, state's inner septum material
Expect that industry development is rapid, according to statistics, Chinese Enterprise in 2011 realizes diaphragm sale about 6,7,000,000 m altogether2, world market accounting
14.63%, the world the 3rd is occupied, lithium battery diaphragm material belongs to the important battery supplementary material that country encourages development, however, every
Membrane material in process of production, needs to be cleaned repeatedly with coating head, and this manufacturing process can produce a large amount of waste water.
The main component that battery diaphragm coating head cleans waste water is that inorganic slurry, methyl pyrrolidone NMP and small molecule have
Machine object lipid etc., waste component is complicated, and biodegradability is poor, and contains certain toxicity, handles this kind of waste liquid at present and mainly uses object
Physicochemical method, such as the electrolysis of chemical oxidative decomposition, medicament, activated carbon adsorption processing technique.These methods handle waste water relative at
This is higher and more demanding to operator, effluent quality it is difficult to ensure that.
In conclusion the processing for battery diaphragm coating head cleaning waste water, urgent need wants a kind of novel, efficient processing dress
It sets and processing method.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of battery diaphragm coating head cleaning wastewater treatment equipment and places
Reason method.
The present invention is achieved by the following technical programs.
The present invention provides a kind of battery diaphragm coating heads to clean wastewater treatment equipment, including gravity settling basin, coagulation sink
Shallow lake pond, AO film biological processing unit and rolling nanofiltration film unit, the gravity settling basin, coagulative precipitation tank, AO film biological treatment
Unit passes sequentially through connecting pipe with rolling nanofiltration film unit and is connected to；
The gravity settling basin is used to after making the inorganic particulate matter sedimentation in battery diaphragm coating head cleaning waste water be discharged；
The coagulative precipitation tank keeps battery diaphragm coating head clear for flocculant to be added thereto using the effect of flocculant
It washes in waste water and is discharged after suspended particulate substance precipitating；
The AO film biological processing unit is for making nitrogenous compound in battery diaphragm coating head cleaning waste water and organic adding
Agent is added to remove；
The rolling nanofiltration film unit is used to remove the organic pollutant in battery diaphragm coating head cleaning waste water, obtains clear
Water.
The gravity settling basin also passes through connecting pipe and is connected with wastewater disposal basin, and wastewater disposal basin is for collecting battery diaphragm coating head
Clean waste water.
Homogeneous conditioning tank is also connected with by connecting pipe between the coagulative precipitation tank and gravity settling basin, for
When compressed air being added within homogeneous conditioning tank, suspended particulate substance in battery diaphragm coating head cleaning waste water is made to be uniformly dispersed.
The AO film biological processing unit includes the anoxic pond being sequentially communicated, membrane biological reaction pond, plate MBR film reaction group
Part.
What the anoxic pond, membrane biological reaction pond and plate MBR film reaction component made to be assembled into one, the anoxic pond with
It is the overflow port by being set to top between membrane biological reaction pond, between membrane biological reaction pond and plate MBR film reaction component
Connection.
Blender is installed in the anoxic pond.
Pump is installed on the connecting pipe.
In addition, the present invention also provides a kind of processing methods of battery diaphragm coating head cleaning waste water, comprising the following steps:
Wastewater treatment equipment is cleaned using the battery diaphragm coating head, makes battery diaphragm coating head cleaning waste water successively
After flowing through gravity settling basin, coagulative precipitation tank, AO film biological processing unit and rolling nanofiltration membrane cell processing, in the rolling
Nanofiltration film unit exit obtains clear water.
Residence time of the battery diaphragm coating head cleaning waste water in gravity settling basin is 8-15h.
When the battery diaphragm coating head cleaning waste water flows through anoxic pond, battery diaphragm coating head cleaning waste water is stirred
It mixes, mixing speed 80-150r/min, the control of dissolved oxygen content DO value is 0.1-0.5mg/L in anoxic pond.
The beneficial effects of the present invention are: technical solution of the present invention is used, by using sedimentation, coagulating sedimentation, AO film
Biological respinse and rolling nanofiltration system carry out multi task process to battery diaphragm coating head cleaning waste water, on the one hand can make this hair
The processing unit of bright offer is from the influence of chemical agent, and operation is more stable, and the service life is longer, on the other hand, being capable of depth
The various impurity in waste water are removed, the COD COD index of battery diaphragm coating head cleaning waste water is reduced, and are reduced useless
Nitride in water can effectively remove battery using processing unit provided by the invention and processing method by actual test
Diaphragm coating head cleans the various chemical combination pollutants in waste water, and COD COD index reduces by 70% or more, removes in waste water
60% or more nitrogenous compound, clear water quality obtained is higher after treatment, can be used for directly recycling.The present invention
The processing unit of offer have it is compact-sized, process debugging is simple, and system run all right is reliable, and effluent quality is good, it is easy to accomplish
The advantages that automation control.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure: 1- wastewater disposal basin, 2- pump, 3- gravity settling basin, 4- sludge pipe, 5- homogeneous conditioning tank, 7- coagulative precipitation tank, 9-
Anoxic pond, 10- blender, 11- membrane biological reaction pond, 12- plate MBR film reaction component, 14- intermediate water tank, 16- rolling are received
Filter membrane unit.
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
As shown in Figure 1, the present invention provides a kind of battery diaphragm coating heads to clean wastewater treatment equipment, including gravitational settling
Pond 3, coagulative precipitation tank 7, AO film biological processing unit and rolling nanofiltration film unit 16, gravity settling basin 3, coagulative precipitation tank 7, AO
Film biological processing unit passes sequentially through connecting pipe with rolling nanofiltration film unit 16 and is connected to；
Gravity settling basin 3 is used to after making the inorganic particulate matter sedimentation in battery diaphragm coating head cleaning waste water be discharged；
Coagulative precipitation tank 7 cleans battery diaphragm coating head for flocculant to be added thereto, using the effect of flocculant
It is discharged after suspended particulate substance precipitating in waste water；
AO film biological processing unit is for making nitrogenous compound and organic additive in battery diaphragm coating head cleaning waste water
Removal；
Rolling nanofiltration film unit 16 is used to remove the organic pollutant in battery diaphragm coating head cleaning waste water, obtains clear
Water.
Using technical solution of the present invention, by using sedimentation, coagulating sedimentation, AO membrane biological reaction and rolling nanofiltration system
System carries out multi task process to battery diaphragm coating head cleaning waste water, in the case where (addition flocculant), on the one hand can make this hair
The processing unit of bright offer is from the influence of chemical agent, and operation is more stable, and the service life is longer, on the other hand, being capable of depth
The various impurity in waste water are filtered out, the COD COD index of battery diaphragm coating head cleaning waste water is reduced and are reduced useless
Nitride in water can effectively remove battery using processing unit provided by the invention and processing method by actual test
Diaphragm coating head cleans the various chemical combination pollutants in waste water, and COD COD index reduces by 70% or more, removes in waste water
60% or more nitrogenous compound, clear water quality obtained is higher after treatment, can be used for directly recycling.The present invention
The processing unit of offer have it is compact-sized, process debugging is simple, and system run all right is reliable, and effluent quality is good, it is easy to accomplish
The advantages that automation control.
Further, gravity settling basin 3 is also connected with wastewater disposal basin 1 by connecting pipe, wastewater disposal basin 1 for collect battery every
Film coating head cleans waste water.
It is preferably anionic polyacrylamide that flocculant, which is added, in coagulative precipitation tank 7, the concentration of flocculant in coagulative precipitation tank 7
For 5ppm or more.
Further, homogeneous conditioning tank 5 is also connected with by connecting pipe between coagulative precipitation tank 7 and gravity settling basin,
For when to addition compressed air within homogeneous conditioning tank 5, making suspended particulate substance point in battery diaphragm coating head cleaning waste water
It dissipates uniform.By being stirred before flocculation sedimentation to waste water, keep flocculation sedimentation effect more excellent.
In addition, AO film biological processing unit includes that the anoxic pond 9 being sequentially communicated, membrane biological reaction pond 11, plate MBR film are anti-
Answer component 12.What anoxic pond 9, membrane biological reaction pond 11 and plate MBR film reaction component 12 made to be assembled into one, anoxic pond 9 with
It is by being set to top between membrane biological reaction pond 11, between membrane biological reaction pond 11 and plate MBR film reaction component 12
Overflow port connection.Further, blender 10 is installed in anoxic pond 9.By the stirring action of blender 10, make flocculant more
It fully combines and precipitates with the various suspended particulate substances in waste water, keep flocculation sedimentation effect more preferable.
Further, intermediate water tank 14 is also connected between AO film biological processing unit and rolling nanofiltration film unit 16.Even
Pump 2 is installed on adapter tube road.
3 bottom of gravity settling basin, 7 bottom of coagulative precipitation tank are provided with sludge pipe 4.Sludge pipe 4 is for being discharged by precipitating
Various impurity afterwards.Reservoir is also connected with after rolling nanofiltration film unit 16.Clear water is collected by reservoir, so as to
In being recycled.
In addition, the present invention also provides a kind of processing methods of battery diaphragm coating head cleaning waste water, comprising the following steps:
Use battery diaphragm coating head cleaning wastewater treatment equipment, make battery diaphragm coating head cleaning waste water followed by
After gravity settling basin 3, coagulative precipitation tank 7, AO film biological processing unit and rolling nanofiltration film unit 16 are handled, in rolling nanofiltration
16 exit of film unit obtains clear water.
Further, the processing method of sewage anoxic biochemical processing process further includes keeping the cleaning of battery diaphragm coating head useless
Before water flows through coagulative precipitation tank 7, battery diaphragm coating head cleaning waste water is made to flow through homogeneous conditioning tank 5, Xiang Junzhi conditioning tank 5 with
Interior feeding compressed air makes suspended particulate substance in battery diaphragm coating head cleaning waste water be uniformly dispersed.
Residence time of the preferred battery diaphragm coating head cleaning waste water in gravity settling basin 3 is 8-15h.Battery diaphragm applies
When leftover of bolt of cloth cleaning waste water flows through anaerobic pond 9, battery diaphragm coating head cleaning waste water is stirred, mixing speed 80-150r/
Min, the control of dissolved oxygen content DO value is 0.1-0.5mg/L in anoxic pond 9.
Using the processing method of battery diaphragm coating head provided by the invention cleaning waste water, following implementation has specifically been carried out
Example:
Embodiment 1:
Use battery diaphragm coating head cleaning wastewater treatment equipment, make battery diaphragm coating head cleaning waste water followed by
Gravity settling basin 3, coagulative precipitation tank 7, AO film biological processing unit and rolling nanofiltration film unit 16 are handled, and are coated with battery diaphragm
Head cleaning waste water in gravity settling basin the residence time be 8h, using PB1 gene flocculant concentration be 100ppm, yin from
Sub- polyacrylamide PAM flocculation aid concentration is 4ppm, and the revolving speed for controlling blender in anaerobic pond is 85r/min, molten in anoxic pond 9
Solution oxygen content DO value is 0.15mg/L, is sent into reservoir and is returned by treated the clear water of rolling nanofiltration membrane system unit 16
It receives and utilizes, 16 operating pressure of rolling nanofiltration membrane system unit is 0.65Mpa.
Above-described embodiment 1 is used for Guizhou Province battery diaphragm manufacturer 1 phase production line coating head flushing waste water
Reason, before treatment, chemical oxygen demand of waste water COD index are 3200-3800mg/L, and suspended particulate substance content SS index is
4600-5000mg/L。
It is as a result as follows to using embodiment 1, treated that each equipment export fetches water respectively is measured and counts:
Embodiment 2
Use battery diaphragm coating head cleaning wastewater treatment equipment, make battery diaphragm coating head cleaning waste water followed by
Gravity settling basin 3, coagulative precipitation tank 7, AO film biological processing unit and rolling nanofiltration film unit 16 are handled, and are coated with battery diaphragm
Head cleaning waste water residence time in gravity settling basin is 12h, the use of PB1 gene flocculant concentration is 100ppm, yin
Cationic polyacrylamide PAM flocculation aid concentration is 5ppm, and the revolving speed for controlling blender in anoxic pond is 100r/min, anoxic pond 9
Interior dissolved oxygen content DO value is 0.2mg/L, by treated the clear water of rolling nanofiltration membrane system unit 16 be sent into reservoir into
Row recycles, and 16 operating pressure of rolling nanofiltration membrane system unit is 0.7Mpa.
Above-described embodiment 2 is used for Guizhou Province battery diaphragm manufacturer 2 phase production line coating head flushing waste water
Reason, waste water water chemistry oxygen demand COD index are 3800-4500mg/L, and suspended particulate substance content SS index is 4800-
5500mg/L。
It is as a result as follows to using embodiment 2, treated that each equipment export fetches water respectively is measured and counts:
According to the measurement result of embodiment 1 and embodiment 2 it is found that wastewater treatment equipment provided by the invention and wastewater treatment
Method, water outlet COD COD index that treated is in 60mg/L hereinafter, suspended particulate substance content SS index is equal simultaneously
In 20mg/L hereinafter, removal effect is good, water outlet can direct reuse be afforested in garden, ground is cleaned and car carwash water.
Finally it is pointed out that above embodiments are only the more representational examples of the present invention.Obviously, technology of the invention
Scheme is not limited to above-described embodiment, and acceptable there are many deformations.Those skilled in the art can be from disclosed by the invention
All deformations that content is directly exported or associated, are considered as protection scope of the present invention.
Claims (10)
1. a kind of battery diaphragm coating head cleans wastewater treatment equipment, it is characterised in that: heavy including gravity settling basin (3), coagulation
Shallow lake pond (7), AO film biological processing unit and rolling nanofiltration film unit (16), the gravity settling basin (3), coagulative precipitation tank (7),
AO film biological processing unit passes sequentially through connecting pipe with rolling nanofiltration film unit (16) and is connected to；
The gravity settling basin (3) is used to after making the inorganic particulate matter sedimentation in battery diaphragm coating head cleaning waste water be discharged；It is (attached
Map device number order has jump, lacks 6,8,13.14.15, and hereinafter has and be repeatedly mentioned to these corresponding dresses of number
It sets)
The coagulative precipitation tank (7) keeps battery diaphragm coating head clear for flocculant to be added thereto using the effect of flocculant
It washes in waste water and is discharged after suspended particulate substance precipitating；
The AO film biological processing unit is for making nitrogenous compound and organic additive in battery diaphragm coating head cleaning waste water
Removal；
The rolling nanofiltration film unit (16) obtains for the organic pollutant in (removal) battery diaphragm coating head cleaning waste water
Clear water.
2. a kind of battery diaphragm coating head as described in claim 1 cleans wastewater treatment equipment, it is characterised in that: the gravity
Settling tank (3) is also connected with wastewater disposal basin (1) by connecting pipe, and wastewater disposal basin (1) is useless for collecting the cleaning of battery diaphragm coating head
Water.
3. a kind of battery diaphragm coating head as described in claim 1 cleans wastewater treatment equipment, it is characterised in that: the coagulation
Homogeneous conditioning tank (5) are also connected with by connecting pipe between sedimentation basin (7) and gravity settling basin, for homogeneous conditioning tank
(5) when compressed air being added within, suspended particulate substance in battery diaphragm coating head cleaning waste water is made to be uniformly dispersed.
4. a kind of battery diaphragm coating head as described in claim 1 cleans wastewater treatment equipment, it is characterised in that: the AO film
Biological processing unit includes the anoxic pond (9) being sequentially communicated, membrane biological reaction pond (11), plate MBR film reaction component (12).
5. a kind of battery diaphragm coating head as claimed in claim 4 cleans wastewater treatment equipment, it is characterised in that: the anoxic
Pond (9), membrane biological reaction pond (11) and plate MBR film reaction component (12) are assembled into one, the anoxic pond (9) and film
It is by being set to top between biological reaction pool (11), between membrane biological reaction pond (11) and plate MBR film reaction component (12)
The overflow port in portion is connected to.
6. a kind of battery diaphragm coating head as claimed in claim 4 cleans wastewater treatment equipment, it is characterised in that: the anoxic
Blender (10) are installed in pond (9).
7. a kind of battery diaphragm coating head as described in claim 1 cleans wastewater treatment equipment, it is characterised in that: the connection
Pump (2) are installed on pipeline.
8. a kind of processing method of battery diaphragm coating head cleaning waste water, it is characterised in that: the following steps are included:
Wastewater treatment equipment is cleaned using battery diaphragm coating head as described in any one of claim 1 to 7, applies battery diaphragm
The leftover of bolt of cloth cleans waste water followed by gravity settling basin (3), coagulative precipitation tank (7), AO film biological processing unit and rolling nanofiltration membrane
After unit (16) processing, clear water is obtained in the rolling nanofiltration film unit (16) exit.
9. a kind of processing method of anerobic sowage biochemical processing process as described in claim 1, it is characterised in that: the battery
Residence time of the diaphragm coating head cleaning waste water within gravity settling basin (3) is 8-15h.
10. a kind of processing method of sewage anoxic biochemical processing process as described in claim 1, it is characterised in that: the electricity
When diaphragm coating head cleaning waste water in pond flows through anoxic pond (9), battery diaphragm coating head cleaning waste water is stirred, mixing speed
For 80-150r/min, anoxic pond (9) interior dissolved oxygen content (dissolved oxygen and DO are repeated) control is 0.1-0.5mg/L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910208831.0A CN109748469A (en) | 2019-03-19 | 2019-03-19 | A kind of battery diaphragm coating head cleaning wastewater treatment equipment and processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208831.0A CN109748469A (en) | 2019-03-19 | 2019-03-19 | A kind of battery diaphragm coating head cleaning wastewater treatment equipment and processing method |
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| Publication Number | Publication Date |
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| CN109748469A true CN109748469A (en) | 2019-05-14 |
Family
ID=66408954
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| CN201910208831.0A Pending CN109748469A (en) | 2019-03-19 | 2019-03-19 | A kind of battery diaphragm coating head cleaning wastewater treatment equipment and processing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110156253A (en) * | 2019-03-19 | 2019-08-23 | 时代沃顿科技有限公司 | A kind of battery diaphragm coating head cleaning wastewater treatment equipment and processing method |
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Application publication date: 20190514 |