CN206045797U - A kind of ultrafiltration apparatus for fiber board waste water process - Google Patents
A kind of ultrafiltration apparatus for fiber board waste water process Download PDFInfo
- Publication number
- CN206045797U CN206045797U CN201621007251.3U CN201621007251U CN206045797U CN 206045797 U CN206045797 U CN 206045797U CN 201621007251 U CN201621007251 U CN 201621007251U CN 206045797 U CN206045797 U CN 206045797U
- Authority
- CN
- China
- Prior art keywords
- water
- waste water
- conveyance conduit
- clear water
- concentrated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 51
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000011094 fiberboard Substances 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 239000012528 membrane Substances 0.000 claims abstract description 38
- 238000004140 cleaning Methods 0.000 claims abstract description 34
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 239000011550 stock solution Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000012466 permeate Substances 0.000 claims abstract description 8
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000004062 sedimentation Methods 0.000 description 7
- 238000005842 biochemical reaction Methods 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000029087 digestion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001728 nano-filtration Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009288 screen filtration Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 241000499489 Castor canadensis Species 0.000 description 1
- 235000011779 Menyanthes trifoliata Nutrition 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- -1 resinae Substances 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
This utility model belongs to ultrafiltration apparatuss manufacture field, specifically a kind of ultrafiltration apparatus for fiber board waste water process, including tubular ultrafiltration membrane module and cleaning fluid tank by pipeline communication, the waterwater entrance of the tubular ultrafiltration membrane module connects higher level's waste water treater by stock solution conveyance conduit, stock solution conveyance conduit sets gradually raw liquor pump along waste water flow direction, Self-cleaning filter, ultrafiltrate pump and waste water stream gauge, the clear water outlet clear water conveyance conduit of the connection with clear water flow meter of the tubular ultrafiltration membrane module, the concentrated water outlet of the tubular ultrafiltration membrane module connects higher level's waste water treater by the concentrated water conveyance conduit with concentrated water effusion meter；Access the downstream of the stock solution conveyance conduit of raw liquor pump upstream, clear water flow meter and concentrated water effusion meter and cleaning fluid tank is connected by cleaning permeate water return pipeline, cleanout fluid water return pipeline respectively in the cleaned liquid feed duct road of rinse liquid outlet of the cleaning fluid tank.This utility model effectively utilizes activated sludge, realizes sharp separation.
Description
Technical field
This utility model belongs to ultrafiltration apparatuss manufacture field, specifically a kind of ultrafiltration dress for fiber board waste water process
Put.
Background technology
In this year, due to of many uses, domestic fibre board secondary industry development is swift and violent, while also produce having pollution useless in a large number
Water.Fiber board waste water is the waste water produced during Fibreboard Production, and the waste water for mainly producing during Fibreboard Production comes
From production processes such as woodchip, screening, washing, defibrator process drying, hot pressing of mating formation, saw side sandings.Mainly contain in fiber board waste water
There are an Organic substances such as saccharide, resinae, tannin, formaldehyde, and a large amount of float such as wood flour, directly discharge is understood to surrounding enviroment, soil
Earth produces water pollution, it is therefore necessary to process rear discharge up to standard.
Adopting the processing method of fiber board waste water at present more：Flocculating sedimentation, anaerobic biological, aerobic biochemical, two it is heavy separate, three
The steps such as heavy separation.Beaver board is produced thick floating thing in waste water Jing waterpower screen filtration water by the 1st, flocculating sedimentation, is passed through
The waste water of waterpower screen filtration enters swash plate reaction settling basin, adds alkali liquor to adjust the pH value of waste water in neutrality, adds coagulation
Agent carries out primary sedimentation；2nd, anaerobic biological, the waste water Jing after the process of swash plate reaction settling basin enter the IC reactors of anaerobic treatment
Carry out biochemical treatment；3rd, aerobic biochemical, the waste water part Jing after IC reactor for treatment return to workshop and reuse, one in addition
Dividing carries out Aerobic Process for Treatment into SBR biochemical reaction tanks, carries out aeration using aerator in processing procedure；4th, two heavy separation, Jing
The waste water of SBR biochemical reaction tanks process enters precipitant pond, adds coagulant to carry out secondary precipitation；5th, three heavy separation, Jing precipitations
Waste water after the precipitation of pond enters catalytic oxidation pond, adds ferrous sulfate and hydrogen peroxide to carry out catalytic oxidation, adds
Flocculant carries out three precipitations, the direct discharging of waste water or reuse after three precipitations.
In process above, biochemical reaction is to separate with infall process, is suffered from the drawback that：1st, biochemical reaction is activated sludge
Microorganism is in suitable condition（Mainly temperature, PH）Under, the Organic substance in Decomposition Wastewater so as to become small molecule it is water miscible into
Point.Biochemical reaction is slow, and time-consuming；2nd, as waste water yield is big, big reaction tank and sedimentation tank are accomplished by using the sedimentation method, in soil
Under the existence conditionses that ground is becoming tight resource day, excessively build sedimentation tank and reaction tank is costly.3rd, can not be had using the sedimentation method
Effect ensures that water outlet reaches discharging standards.
The content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, there is provided a kind of ultrafiltration dress for fiber board waste water process
Put, add flocculant in changing existing addition secondary precipitation, precipitate for a long time, build the present situations such as large-scale second pond, effectively utilizes
Activated sludge, realizes sharp separation.
To realize above-mentioned technical purpose, the scheme that this utility model is provided is：A kind of surpassing for fiber board waste water process
Filter device, including tubular ultrafiltration membrane module and cleaning fluid tank by pipeline communication, pipeline has multiple pipe valves, and each pipe valve is by electricity
The control opening and closing of gas switch board, the waterwater entrance of the tubular ultrafiltration membrane module connect higher level's wastewater treatment by stock solution conveyance conduit
Device, stock solution conveyance conduit set gradually raw liquor pump, Self-cleaning filter, ultrafiltrate pump and waste water stream gauge along waste water flow direction, described
The clear water outlet clear water conveyance conduit of the connection with clear water flow meter of tubular ultrafiltration membrane module, the tubular ultrafiltration membrane module
Concentrated water outlet higher level's waste water treater is connected by concentrated water conveyance conduit with concentrated water effusion meter；The cleaning fluid tank
Access the stock solution conveyance conduit of raw liquor pump upstream, clear water flow meter and concentrated stream in the cleaned liquid feed duct road of rinse liquid outlet
The downstream of gauge connects cleaning fluid tank by cleaning permeate water return pipeline, cleanout fluid water return pipeline respectively.
And, the waste water stream gauge adopts electromagnetic flowmeter, clear water flow meter and concentrated water effusion meter to adopt rotor stream
Gauge.
And, the tubular ultrafiltration membrane module has the multigroup of series winding, is connected by hyperfiltration membrane assembly connector between adjacent sets
It is logical.
And, the clear water outlet of every group of tubular ultrafiltration membrane module collects connection clear water flow by clear water collection conduit
Meter, concentrated water outlet collect connection concentrated water effusion meter by concentrated water collection conduit.
The beneficial effects of the utility model are：Sludge is squeezed in membrane tube by pump, carried out under the driving of pressure point
From water outlet is that permeate enters product water tank, and concentrated solution part returns to biochemistry pool and continues to participate in biochemical reaction, most of concentrated solution
Continue in membrane module interior circulation, such activated sludge concentration brings up to a reasonable concentration, major pollutants COD, BOD and ammonia nitrogen
Effectively degrade, non-secondary pollution；Due to the centrifugation of ultrafilter membrane, microorganism is trapped within membrane module so that wherein device
It is interior to maintain higher microorganism concn, not only improve overall removal efficiency of the device to pollutant, it is ensured that good effluent quality,
And device is to influent load（Water quality and the water yield）Various change have well adapting to property, tolerate impact load, can obtain
Effluent quality that must be stable；Water outlet directly or after blending for producing, can reduce discharge without antibacterial and solid content；Project occupation of land
Area is little；Surplus sludge volume is little, and operating cost is relatively low；Convenient operation and management, it is easy to accomplish automatically control.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is pipeline connection figure of the present utility model.
Wherein, 1, stock solution conveyance conduit, 2, raw liquor pump, 3, Self-cleaning filter, 4, ultrafiltrate pump, 5, waste water stream gauge, 6,
Cleanout fluid feed duct road, 7, Self-cleaning filter drainage pipeline, 8, tubular ultrafiltration membrane module, 9, hyperfiltration membrane assembly connection
Part, 10, clear water discharge tube, 11, digestion reactor, 12, anti-digestion reactor, 13, concentrated water collection conduit, 14, clear water collects
Pipeline, 15, concentrated water conveyance conduit, 16, concentrated water effusion meter, 17, clear water flow meter, 18, clear water conveyance conduit, 19, cleanout fluid returns
Waterpipe, 20, cleaning permeate water return pipeline, 21, cleaning fluid tank, 22, electrical control cabinet, 23, equipment supporter.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the utility model is described in further detail.
The present embodiment provides a kind of ultrafiltration apparatus for fiber board waste water process, as depicted in figs. 1 and 2, including by managing
The tubular ultrafiltration membrane module 8 and cleaning fluid tank 21 of road connection, pipeline have multiple pipe valves, and each pipe valve is controlled by electrical control cabinet 22
System opening and closing, the waterwater entrance of the tubular ultrafiltration membrane module 8 connect higher level's waste water treater by stock solution conveyance conduit 1（For example：
Digestion reactor 11 and anti-digestion reactor 12）, stock solution conveyance conduit 1 along waste water flow direction set gradually raw liquor pump 2, self-cleaning type mistake
Filter 3, ultrafiltrate pump 4 and waste water stream gauge 5, the clear water outlet connection of the tubular ultrafiltration membrane module 8 is with clear water flow meter
17 clear water conveyance conduit 18, the concentrated water outlet of the tubular ultrafiltration membrane module 8 is by the concentrated water with concentrated water effusion meter 16
Conveyance conduit 15 connects higher level's waste water treater；The cleaned liquid feed duct road of the rinse liquid outlet of the cleaning fluid tank 21 6
The downstream of the stock solution conveyance conduit 1 of 2 upstream of raw liquor pump, clear water flow meter and concentrated water effusion meter is accessed respectively by cleaning permeate
Water return pipeline 20, the connection cleaning fluid tank 21 of cleanout fluid water return pipeline 19.
Further, the waste water stream gauge 5 adopts electromagnetic flowmeter, clear water flow meter and concentrated water effusion meter to adopt and turns
Subflow gauge.
Further, the tubular ultrafiltration membrane module 8 has the multigroup of series winding, is connected by hyperfiltration membrane assembly between adjacent sets
Part 9 is connected.
Further, the clear water outlet of every group of tubular ultrafiltration membrane module 8 collects connection clearly by clear water collection conduit 14
Water ga(u)ge, concentrated water outlet connect threeway, and connection concentrated water effusion meter, other end connection are collected by concentrated water collection conduit 13 in one end
The water inlet of ultrafiltrate pump 4.
Fiber board waste water processing cycle is sketched：Operation circulation, Jing are formed by the control of electrical control cabinet 22 and each valve
Fiber board waste water after 11 biochemical treatment of anti-digestion reactor 12 and digestion reactor（Ultrafiltration stock solution）By stock solution conveyance conduit 1
Jing raw liquor pumps 2 are conveyed, and remove the impurity of larger particles by Self-cleaning filter 3, and the then pressurization of Jing ultrafiltrate pumps 4 is entered by ultrafiltration
Membrane module 8, the composition ultrafiltration passage of hyperfiltration membrane assembly connector 9, are separated under the driving of pressure, true by waste water stream gauge 5
Determine crossflow velocity, water and water soluble ingredient become clear water through ultrafilter membrane, and debris are that concentrated water is then stayed in passage.According to reality
Situation, clear water Jing effluent collections pipeline 14 are collected Jing clear water discharge tube 10 and are directly discharged, or Jing clear water conveyance conduit 18 enters
Enter nanofiltration pond further to process, concentrated water part returns biochemistry pool or higher level by 13 Jing concentrated waters conveyance conduit of concentrated water collection conduit 15
The further biochemical treatment of waste water treater, part Jing ultrafiltrate pump 4 are extracted and are again introduced into ultrafiltration pipeline, play activated sludge in dope
Effect, whole process do not have concentrated water to discharge.
Clean cycle is sketched：A certain amount of pure water is injected toward cleaning fluid tank 21 and abluent is configured to certain density cleaning
Liquid, forms clean cycle by the control of electrical control cabinet 22 and each pipe valve, the cleaned liquid feed duct road of cleanout fluid 6, Jing
Raw liquor pump 2 is conveyed, and is filtered by Self-cleaning filter 3, then passes through ultrafiltrate pump 4 and electromagnetic flowmeter 5 is entered by ultrafilter membrane group
Part 8, the composition ultrafiltration passage of hyperfiltration membrane assembly connector 9（Ultrafiltrate pump 4 is not typically started during cleaning）, under the driving of raw liquor pump 2
Cleaned, cleaning permeate Jing clear water collecting pipe 14 is collected, Jing clear water flows meter 17 and cleaning permeate conveyance conduit 20 are returned
Cleaning fluid tank 21 is returned, cleanout fluid passes through 13 Jing concentrated waters effusion meter 16 of concentrated water collection conduit and cleanout fluid water return pipeline 19 returns cleaning
Liquid case 21.Cleaning 1 ~ 2 time is required according to concrete technology, then with pure water rinsing 2 ~ 3 times, Pollution of Ultrafiltration Membrane can be removed, lead to ultrafiltration
Amount is recovered or basic recovery.
This ultrafiltration apparatus adopt supply formula feed, i.e. raw liquor pump supplement waste water amount and ultrafiltration clear water and discharge concentrated water amount it
With it is suitable, concentrated water output, can make activated sludge in hyperfiltration membrane assembly be maintained at higher concentration by valve regulated, fully send out
Wave its biochemical activity.
The process of fiber board waste water Jing ultrafiltration apparatus, can typically meet indirect emission request, such as need water outlet to reach directly discharge
Standard, according to different situations, subsequently available nanofiltration or reverse osmosis unit make further advanced treating.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, some improvement or deformation can also be made, these improve or
Deformation also should be regarded as protection domain of the present utility model.
Claims (4)
1. it is a kind of for fiber board waste water process ultrafiltration apparatus, it is characterised in that：Including the tubular ultra-filtration membrane by pipeline communication
Component and cleaning fluid tank, pipeline have multiple pipe valves, and each pipe valve is opened and closed by electrical control cabinet control, the tubular ultra-filtration membrane group
The waterwater entrance of part connects higher level's waste water treater by stock solution conveyance conduit, and stock solution conveyance conduit is set gradually along waste water flow direction
Raw liquor pump, Self-cleaning filter, ultrafiltrate pump and waste water stream gauge, the clear water outlet connection of the tubular ultrafiltration membrane module have
The clear water conveyance conduit of clear water flow meter, the concentrated water outlet of the tubular ultrafiltration membrane module is by with the dense of concentrated water effusion meter
Water conveyance conduit connects higher level's waste water treater；Access in the cleaned liquid feed duct road of rinse liquid outlet of the cleaning fluid tank
The downstream of the stock solution conveyance conduit of raw liquor pump upstream, clear water flow meter and concentrated water effusion meter is respectively by cleaning permeate return pipe
Road, cleanout fluid water return pipeline connection cleaning fluid tank.
2. it is according to claim 1 it is a kind of for fiber board waste water process ultrafiltration apparatus, it is characterised in that：The waste water
Effusion meter adopts electromagnetic flowmeter, clear water flow meter and concentrated water effusion meter to adopt spinner flowmeter.
3. it is according to claim 1 and 2 it is a kind of for fiber board waste water process ultrafiltration apparatus, it is characterised in that：It is described
Tubular ultrafiltration membrane module has the multigroup of series winding, is connected by hyperfiltration membrane assembly connector between adjacent sets.
4. it is according to claim 3 it is a kind of for fiber board waste water process ultrafiltration apparatus, it is characterised in that：Every group of tubular type
The clear water outlet of hyperfiltration membrane assembly collects connection clear water flow meter by clear water collection conduit, and concentrated water outlet is received by concentrated water
Collection pipeline collects connection concentrated water effusion meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621007251.3U CN206045797U (en) | 2016-08-31 | 2016-08-31 | A kind of ultrafiltration apparatus for fiber board waste water process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621007251.3U CN206045797U (en) | 2016-08-31 | 2016-08-31 | A kind of ultrafiltration apparatus for fiber board waste water process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206045797U true CN206045797U (en) | 2017-03-29 |
Family
ID=58373470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621007251.3U Expired - Fee Related CN206045797U (en) | 2016-08-31 | 2016-08-31 | A kind of ultrafiltration apparatus for fiber board waste water process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206045797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116603394A (en) * | 2023-06-07 | 2023-08-18 | 上海正帆科技股份有限公司 | Ultrafiltration small test device and application method thereof |
-
2016
- 2016-08-31 CN CN201621007251.3U patent/CN206045797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116603394A (en) * | 2023-06-07 | 2023-08-18 | 上海正帆科技股份有限公司 | Ultrafiltration small test device and application method thereof |
| CN116603394B (en) * | 2023-06-07 | 2025-12-30 | 上海正帆科技股份有限公司 | A pilot-scale ultrafiltration device and its usage method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103739107B (en) | A kind for the treatment of process of household appliances degreasing process waste water | |
| CN102616978A (en) | Printing and dyeing wastewater processing system | |
| CN103288243B (en) | A system and a method for recycling coal mine drainage and power plant waste water with zero discharge | |
| CN102627364A (en) | Process flow for recycling and treating reverse osmosis concentrated water | |
| CN101269903B (en) | Further advanced treatment technique and apparatus for sewage water of oil refining | |
| CN103663849A (en) | Method for treating papermaking wastewater based on combined process including integrated membrane technology and advanced oxidation technology | |
| CN112426886A (en) | Low-consumption high-efficiency flat ceramic membrane microfiltration system based on gas-liquid two-phase flow | |
| CN104129887A (en) | Reclaimed water recycling system based on membrane bioreactor | |
| CN203700070U (en) | Device for mixing and recycling steel waste water and municipal sewage | |
| CN102153218B (en) | Device and process for treating chromate waste water | |
| CN102464385A (en) | Integrated coagulation/immersion type membrane filter system | |
| CN203200124U (en) | High-efficiency treatment and comprehensive recycling device for waste paper papermaking waste water | |
| CN204981422U (en) | Categorised advanced treatment unit of sewage treatment plant | |
| CN104445838B (en) | A kind of small-town sewage treatment system | |
| CN106430739A (en) | Sea-water-desalination pre-treatment system and technology for nuclear power station | |
| CN213623750U (en) | A textile sewage treatment system | |
| CN206045797U (en) | A kind of ultrafiltration apparatus for fiber board waste water process | |
| CN201990563U (en) | Integrated equipment used for advanced treatment of coking wastewater | |
| CN106495355A (en) | A kind of electroplating wastewater treatment reclaiming technique and combinations thereof device | |
| CN205258241U (en) | Printing and dyeing wastewater treatment system | |
| CN112759116A (en) | Contain FEP waste water recovery processing system | |
| CN108249643A (en) | A kind of three embrane method seaweed processing waste water advanced treatment and reclamation methods and device | |
| CN220098784U (en) | Environment-friendly cleaning wastewater recycling system for packaging printing industry | |
| CN203360171U (en) | Underground drainage water and power plant wastewater recycling and zero-emission system | |
| CN202898140U (en) | System for recycling oil-containing washing waste water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20200831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |