CN101475247A - Short process flow water treatment technology with hyperfiltration as core and integrated with multiple water purifying technologies - Google Patents
Short process flow water treatment technology with hyperfiltration as core and integrated with multiple water purifying technologies Download PDFInfo
- Publication number
- CN101475247A CN101475247A CNA2008102425509A CN200810242550A CN101475247A CN 101475247 A CN101475247 A CN 101475247A CN A2008102425509 A CNA2008102425509 A CN A2008102425509A CN 200810242550 A CN200810242550 A CN 200810242550A CN 101475247 A CN101475247 A CN 101475247A
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- water
- ultrafiltration
- membrane system
- ultrafiltration membrane
- flow process
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000005516 engineering process Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 58
- 239000012528 membrane Substances 0.000 claims abstract description 51
- 238000000746 purification Methods 0.000 claims abstract description 15
- 238000005189 flocculation Methods 0.000 claims abstract description 14
- 230000016615 flocculation Effects 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000005273 aeration Methods 0.000 claims description 16
- 238000011010 flushing procedure Methods 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000011001 backwashing Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 3
- 230000001112 coagulating effect Effects 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 2
- 239000010802 sludge Substances 0.000 abstract description 5
- 239000003651 drinking water Substances 0.000 abstract description 2
- 235000020188 drinking water Nutrition 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 241000223935 Cryptosporidium Species 0.000 description 1
- 241000224467 Giardia intestinalis Species 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940085435 giardia lamblia Drugs 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses a short-flow water treatment process for taking ultrafiltration as core and integrating multiple kinds of water purification technology into a whole. A flocculant is added to a raw water pipeline; after raw water has flocculation reaction in a flocculation pool, the raw water enters a membrane pool for precipitation and enters an ultrafiltration membrane system for ultrafiltration treatment; sludge immersed into a sludge condensation region of the membrane pool is condensed and is discharged out of the pool by a sludge discharge pipeline; and water filtered by the ultrafiltration membrane system passes through a water producing pipeline and enters a clean water pool. The process has the advantages of short flow, small occupied area, convenient operation and management, low operating cost, good quality of outlet water, and the like. After the raw water is treated through the water purification process provided by the invention, biological safety of the outlet water is greatly improved and fully reaches or even exceeds New National Health Standard of Drinking Water (GB5749-2006).
Description
Technical field:
The invention belongs to the water supplying purifying technique field, relating to especially with the ultrafiltration is the short flow process water technology of the multiple water purification technology of core set in one.
Background technology
At present, water-purifying process is based on coagulation, and---precipitation---filtration---sterilization forms flco by add a certain amount of coagulating agent in former water, after precipitation removal flco, carry out sand filtration, further remove the remaining suspension thing, water outlet is finished scavenging process through sterilization.This technical process length, complex management, floor space is big, cost of investment is high, running cost is high.Simultaneously, this technology can't effectively be removed harmful biologies such as Cryptosporidium, giardia lamblia stiles, exists certain biological safety hidden danger.And because aggravation, the raising of people's living standard and the upgrading of national water quality standard of pollution of waterhead, this technology can not satisfy the requirement of clean water treatment fully.
Summary of the invention
The object of the present invention is to provide a kind of convenient operation and management, flow process is short, effluent quality is good is the short flow process water technology of the multiple water purification technology of core set in one with the ultrafiltration.
Technical solution of the present invention is:
A kind of short flow process water technology that with the ultrafiltration is the multiple water purification technology of core set in one is characterized in that: comprise the following steps:
In raw water pipeline, add flocculation agent, in flocculation basin, coagulating wadding reaction after, enter again to precipitate in the membrane cisterna and carry out uf processing with ultrafiltration membrane system; Sink to the mud of mud enrichment region in the membrane cisterna and discharge outside the pond by the spoil disposal pipeline, enter clean water basin through the water producing pipe road through water after the filter of ultrafiltration membrane system through concentrating the back.
After ultrafiltration membrane system is moved for some time, ultrafiltration membrane system to be cleaned, at least a mode in regularly aeration scouring, the timing clear water back flushing cleaning is adopted in cleaning.
Regularly aeration is cleaned and is utilized the Aeration fan air-blowing, carries out aeration through aerating pipelines and cleans; Regularly the clear water back flushing utilizes backwashing pump process counter-flushing pipeline that each film unit of ultrafiltration membrane system is carried out back flushing in turn.
During the back flushing of timing clear water, according to the ultrafiltration membrane system pollution level, clean-out system adds pump suck purge agent from the clean-out system liquid storage tank, adds in the backwashing water ultrafiltration membrane system is carried out online matting.
Ultra-filtration membrane is a submerged ultrafiltration.
Ultrafiltration membrane system in membrane cisterna is made up of three film units at least.
After the ultrafiltration membrane system long-time running, carry out the off-line matting.
Each film unit subdivision operation of ultrafiltration membrane system.
In the present invention, former water adds a certain amount of flocculation agent, directly enters membrane cisterna through flocculation, can not establish self-cleaning filter before the membrane cisterna, and membrane cisterna is built-in with the submerged ultrafiltration filtering system that is no less than three film units.Water after the flocculation enters the membrane cisterna flow velocity and slows down, and partly coagulates flco and sinks under action of gravity, and the flco that coagulates that enters the mud enrichment region is discharged by sludge drainage system through gravity is concentrated afterwards.Having removed the water that partly coagulates flco enters ultra-filtration membrane and filters.
Among the present invention,, add a certain amount of clean-out system, ultra-filtration membrane is carried out online matting according to the pollution level of ultra-filtration membrane.
In order to guarantee the continuous operation of system, the ultrafiltration membrance filter system among the present invention forms by being no less than three film units.So that carry out subdivision operation (filtration, aeration, backwash and matting), the dense water conservancy that backwash produces reclaims with other film unit that is filtering operation in the membrane cisterna, particulate matter in the dense water of generation in service is under physical action, sink to bottom mud enrichment region, do not need to set up separately in addition dense apparatus for recovering, only just can finish above handling procedure in inside, pond.
Among the present invention, the ultrafiltration membrance filter system can be provided with independently chemically-cleaning device, and through long-time running, ultra-filtration membrane can carry out the restorative matting of off-line.At ordinary times, this device ultra-filtration membrane unit that can store for future use.
Technology of the present invention has advantages such as flow process is short, floor space is little, convenient operation and management, running cost is low, effluent quality is good.After former water was handled through water-purifying process proposed by the invention, the biological safety of water outlet improved greatly, meets or exceeds new " national hygiene standard for drinking water (GB5749-2006) " fully.
Description of drawings
Below in conjunction with drawings and Examples this aspect is described further.
Fig. 1 is a process flow diagram of the present invention.
In the accompanying drawing, 1-raw water tubes; 2-flocculation basin; 3-membrane cisterna; 4-clean water basin; 5-flocculation agent liquid storage tank; 6-flocculant concentration pump; 7-clean-out system liquid storage tank (jar); 8-clean-out system adds pump; 9---the water producing pipe road; 10-backwashing pump; 11---counter-flushing pipeline; 12-Aeration fan; 13---aerating pipelines; 14---the mud enrichment region; 15---mud scraper; 16-spoil disposal pipeline.Comprise other corresponding pipelines, instrument and valve etc. in addition.
Embodiment
The present invention proposes with the ultrafiltration be the multiple water purification technology of core set in the short flow process water technology of one in conjunction with the accompanying drawings shown in, its embodiment is as follows:
Former water through raw water tubes 1 enter flocculation basin 2 before by flocculant concentration pump 6 with the flocculant concentration in the flocculation agent liquid storage tank 5 in raw water pipeline 1, after in flocculation basin 2, coagulating the wadding reaction, enter the uf processing that precipitates in the membrane cisterna 3 with ultrafiltration membrane system.
The mud that sinks to mud enrichment region 14 is through concentrating the back by spoil disposal pipeline 16 outer discharges outside the pond.
Enter clean water basin 4 through water after the filter of ultrafiltration membrane system through water producing pipe road 9.
After the submerged ultrafiltration system moves for some time, need clean.Usually adopt aeration to clean and the clear water back flushing.
Regularly aeration is cleaned and is utilized Aeration fan 12 air-blowing, carries out aeration through aerating pipelines 13 and cleans.
Regularly back flushing utilizes backwashing pump 10 through counter-flushing pipeline each film unit to be carried out back flushing in turn.
In order to guarantee the backwash effect, carry out aeration in the time of the waterpower backwash and clean.
According to the pollution level of ultrafiltration membrane system, clean-out system adds pump 8 and aspirate a certain amount of clean-out system from clean-out system liquid storage tank (jar) 7, adds in the backwash water ultrafiltration membrane system is carried out online matting.
After the ultrafiltration membrane system long-time running, can carry out the off-line matting.
The ultrafiltration membrance filter system carries out subdivision operation (can carry out ultrafiltration, backwash, aeration, online matting respectively).
The dense water conservancy that backwash produces is being moved filtering ultra-filtration membrane with membrane cisterna 3 interior other and is being reclaimed.The cake layer that the film surface is gathered comes off to sink to by physico-chemical process and discharges by spoil disposal pipeline 16 after bottom mud enrichment region concentrates, and can directly deliver to the sludge dewatering equipment dehydration and drying.
Claims (8)
1, a kind of short flow process water technology that with the ultrafiltration is the multiple water purification technology of core set in one is characterized in that: comprise the following steps:
In raw water pipeline, add flocculation agent, in flocculation basin, coagulating wadding reaction after, enter again to precipitate in the membrane cisterna and carry out uf processing with ultrafiltration membrane system; Sink to the mud of mud enrichment region in the membrane cisterna and discharge outside the pond by the spoil disposal pipeline, enter clean water basin through the water producing pipe road through water after the filter of ultrafiltration membrane system through concentrating the back.
2, the short flow process water technology that with the ultrafiltration is the multiple water purification technology of core set in one according to claim 1, it is characterized in that: after ultrafiltration membrane system is moved for some time, ultrafiltration membrane system is cleaned, clean at least a mode during employing timing aeration is cleaned, regularly the clear water back flushing is cleaned.
3, the short flow process water technology that with the ultrafiltration is the multiple water purification technology of core set in one according to claim 2 is characterized in that: regularly aeration is cleaned and is utilized the Aeration fan air-blowing, carries out aeration through aerating pipelines and cleans; Regularly the clear water back flushing utilizes backwashing pump process counter-flushing pipeline that each film unit of ultrafiltration membrane system is carried out back flushing in turn.
4, the short flow process water technology that with the ultrafiltration is the multiple water purification technology of core set in one according to claim 2, it is characterized in that: during the back flushing of timing clear water, according to the ultrafiltration membrane system pollution level, clean-out system adds pump suck purge agent from the clean-out system liquid storage tank, adds in the backwashing water ultrafiltration membrane system is carried out online matting.
5, according to claim 1,2, the 3 or 4 described short flow process water technologies that with the ultrafiltration are the multiple water purification technology of core set in one, it is characterized in that: ultra-filtration membrane is a submerged ultrafiltration.
6, according to claim 1,2, the 3 or 4 described short flow process water technologies that with the ultrafiltration are the multiple water purification technology of core set in one, it is characterized in that: the ultrafiltration membrane system in membrane cisterna is made up of three film units at least.
7, according to claim 1,2, the 3 or 4 described short flow process water technologies that with the ultrafiltration are the multiple water purification technology of core set in one, it is characterized in that: after the ultrafiltration membrane system long-time running, carry out the off-line matting.
8, according to claim 1,2, the 3 or 4 described short flow process water technologies that with the ultrafiltration are the multiple water purification technology of core set in one, it is characterized in that: each film unit subdivision operation of ultrafiltration membrane system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102425509A CN101475247B (en) | 2008-12-29 | 2008-12-29 | Short process flow water treatment technology with hyperfiltration as core and integrated with multiple water purifying technologies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102425509A CN101475247B (en) | 2008-12-29 | 2008-12-29 | Short process flow water treatment technology with hyperfiltration as core and integrated with multiple water purifying technologies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101475247A true CN101475247A (en) | 2009-07-08 |
| CN101475247B CN101475247B (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102425509A Expired - Fee Related CN101475247B (en) | 2008-12-29 | 2008-12-29 | Short process flow water treatment technology with hyperfiltration as core and integrated with multiple water purifying technologies |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134136A (en) * | 2011-01-25 | 2011-07-27 | 太平洋水处理工程有限公司 | Short-flow water purification process and device using immersed ultra-filtration membrane as core |
| CN102743902A (en) * | 2012-07-30 | 2012-10-24 | 北京伊普国际水务有限公司 | Clarifying water treatment system and method |
| CN102814079A (en) * | 2012-08-31 | 2012-12-12 | 河海大学 | Concentration system for rapidly concentrating slurry |
| CN102910726A (en) * | 2012-07-17 | 2013-02-06 | 中国石油化工股份有限公司 | Coupling processing method for oil-contained sewage of oil field |
| CN104492265A (en) * | 2014-12-31 | 2015-04-08 | 天津大学 | Ultrafiltration membrane device with on-line medicament backwashing and blowdown device |
| CN106565034A (en) * | 2016-10-31 | 2017-04-19 | 广东粤港供水有限公司 | Micro-flocculation combined ultrafiltration processing unit of micro-polluted source water |
| WO2017129084A1 (en) * | 2016-01-28 | 2017-08-03 | 青岛海尔洗衣机有限公司 | Method for controlling self-cleaning of coagulation tub in laundry machine and laundry machine |
| CN107487887A (en) * | 2017-08-16 | 2017-12-19 | 河海大学 | A kind of tiny flocculation hyperfiltration water treatment apparatus and method |
| CN110642417A (en) * | 2019-06-17 | 2020-01-03 | 内蒙古格林森环境科技有限公司 | Rural sewage collecting, purifying and utilizing method and rural sewage collecting and purifying system |
| CN114105256A (en) * | 2021-12-10 | 2022-03-01 | 江苏科德生态环保水处理有限公司 | Floating raft type self-purification sludge-free MCR membrane purifier |
| CN114249453A (en) * | 2021-11-29 | 2022-03-29 | 中冶赛迪工程技术股份有限公司 | Coagulation-sedimentation-ultrafiltration integrated device |
-
2008
- 2008-12-29 CN CN2008102425509A patent/CN101475247B/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134136A (en) * | 2011-01-25 | 2011-07-27 | 太平洋水处理工程有限公司 | Short-flow water purification process and device using immersed ultra-filtration membrane as core |
| CN102910726A (en) * | 2012-07-17 | 2013-02-06 | 中国石油化工股份有限公司 | Coupling processing method for oil-contained sewage of oil field |
| CN102743902A (en) * | 2012-07-30 | 2012-10-24 | 北京伊普国际水务有限公司 | Clarifying water treatment system and method |
| CN102814079A (en) * | 2012-08-31 | 2012-12-12 | 河海大学 | Concentration system for rapidly concentrating slurry |
| CN102814079B (en) * | 2012-08-31 | 2015-03-25 | 河海大学 | Concentration system for rapidly concentrating slurry |
| CN104492265A (en) * | 2014-12-31 | 2015-04-08 | 天津大学 | Ultrafiltration membrane device with on-line medicament backwashing and blowdown device |
| CN107012663B (en) * | 2016-01-28 | 2020-03-20 | 青岛海尔洗衣机有限公司 | Self-cleaning control method for flocculation barrel of washing machine and washing machine |
| WO2017129084A1 (en) * | 2016-01-28 | 2017-08-03 | 青岛海尔洗衣机有限公司 | Method for controlling self-cleaning of coagulation tub in laundry machine and laundry machine |
| CN107012663A (en) * | 2016-01-28 | 2017-08-04 | 青岛海尔洗衣机有限公司 | The flocculation bucket automatically cleaning control method and washing machine of a kind of washing machine |
| CN106565034A (en) * | 2016-10-31 | 2017-04-19 | 广东粤港供水有限公司 | Micro-flocculation combined ultrafiltration processing unit of micro-polluted source water |
| CN107487887A (en) * | 2017-08-16 | 2017-12-19 | 河海大学 | A kind of tiny flocculation hyperfiltration water treatment apparatus and method |
| CN110642417A (en) * | 2019-06-17 | 2020-01-03 | 内蒙古格林森环境科技有限公司 | Rural sewage collecting, purifying and utilizing method and rural sewage collecting and purifying system |
| CN114249453A (en) * | 2021-11-29 | 2022-03-29 | 中冶赛迪工程技术股份有限公司 | Coagulation-sedimentation-ultrafiltration integrated device |
| CN114105256A (en) * | 2021-12-10 | 2022-03-01 | 江苏科德生态环保水处理有限公司 | Floating raft type self-purification sludge-free MCR membrane purifier |
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| Publication number | Publication date |
|---|---|
| CN101475247B (en) | 2011-04-13 |
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Effective date of registration: 20140826 Address after: 226000 No. 51, Guangzhou Road, Nantong Economic Development Zone, Jiangsu, China Patentee after: PACIFIC WATER TREATMENT ENGINEERING Co.,Ltd. Address before: The workers and peasants in Jiangsu province 226007 Nantong City Rainbow Road No. 29 building B block 4 layer Patentee before: PACIFIC WATER TREATMENT ENGINEERING Co.,Ltd. Patentee before: Jinzhou Environment Group Co.,Ltd. |
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