CN102491453A - Ultrafiltration system - Google Patents
Ultrafiltration system Download PDFInfo
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- CN102491453A CN102491453A CN2011104295499A CN201110429549A CN102491453A CN 102491453 A CN102491453 A CN 102491453A CN 2011104295499 A CN2011104295499 A CN 2011104295499A CN 201110429549 A CN201110429549 A CN 201110429549A CN 102491453 A CN102491453 A CN 102491453A
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Abstract
The invention discloses an ultrafiltration system which comprises an ultrafiltration device with an ultrafiltration membrane element, wherein the water inlet end of the ultrafiltration device is connected with a water inlet device; an ultrafiltration water production tank is connected with a backwash device; the backwash device pumps water produced in the ultrafiltration water production tank into a backwash pipeline, and adds a backwash oxidant into the backwash pipeline from the water production end of the ultrafiltration device to backwash the ultrafiltration membrane element; the water inlet end of the ultrafiltration device is connected with a gaseous washing device; and when the backwash device works, the gaseous washing device is started to enable compressed air to enter the ultrafiltration device so as to wash the ultrafiltration membrane element. In the washing of an ultrafiltration membrane, circulation backwash by virtue of ultrafiltration produced water and a sterilizer, gaseous washing and a standby washing device are required; due to a water and gas combined washing mode, the ultrafiltration membrane can be washed more thoroughly, therefore, the ultrafiltration system is suitable for surface water with more suspensions and colloid substances and a large quantity of organics and microorganisms; and furthermore, the backwash water amount is saved, and the energy consumption is reduced.
Description
Technical field
The present invention relates to a kind of water treatment system, particularly a kind of ultrafiltration system.
Background technology
Surface water is one of important source of human lives's water, and in today of shortage of water resources, the technology of utilizing the surface water potable water is that water treatment field is paid close attention to always and used, and wherein using ultrafiltration system to purify surface water is important technology.The characteristics of surface water are that suspended substance, colloidal impurity are more, and the amount of the organism in the water, mikrobe is bigger, and ultrafiltration membrane elements is polluted easily, need regular cleaning that system water is normally moved.The ultrafiltration wash procedure generally includes backwash, dashes and matting soon; Existing technology is a kind of wash procedure of operation usually; But the surface water big for organism and microbial biomass and the cycle of operation is long, single wash procedure still exist ultrafiltration membrane elements to be prone to stop up, water flux descends fast problem.
Summary of the invention
Technical problem to be solved by this invention just provides a kind of ultrafiltration system, and a plurality of wash procedure parallel runnings are cleaned efficiently, and the solution ultrafiltration membrane elements is prone to stop up, water flux descends fast problem.
For solving the problems of the technologies described above; The present invention adopts following technical scheme: a kind of ultrafiltration system; Comprise the ultra-filtration equipment that is provided with ultrafiltration membrane elements; Said ultra-filtration equipment feed-water end connects water feed apparatus, and said water feed apparatus will add behind the former water oxygenant former water to be sent into ultrafiltration membrane elements and filter, and filters the clear water that produces water in the back and after the product water end (W.E.) of ultra-filtration equipment is discharged, is collected in ultrafiltration and produces the water tank; The concentrated water drainage that produces water goes out the back and is collected by dense water collecting device; It is characterized in that: said ultrafiltration is produced water tank and is connected back-purge system, said back-purge system with ultrafiltration produce product water in the water tank pump in the backwash pipeline and add the backwash oxygenant after produce water end (W.E.) from ultra-filtration equipment and get into ultrafiltration membrane elements is carried out backwash, said ultra-filtration equipment feed-water end connects the air purge device; In back-purge system work, said air purge device is opened pressurized air entering ultra-filtration equipment is just washed ultrafiltration membrane elements.
As preferably, said ultra-filtration equipment feed-water end also is connected with subsequent use washing unit, and said subsequent use washing unit is sent external rinse water into ultra-filtration equipment ultrafiltration membrane elements is cleaned.
As preferably; Said water feed apparatus, ultra-filtration equipment, air purge device, back-purge system and subsequent use washing unit are controlled by program control device, and the timing operation of program control device control water feed apparatus and ultra-filtration equipment and air purge device, back-purge system and subsequent use washing unit are closed the back at ultra-filtration equipment ultra-filtration equipment is cleaned.
As preferably, said water feed apparatus comprises the other former water oxygenant dosing pump that connects on former water and the former water suction culvert, and former water oxygenant dosing pump pumps into former water oxygenant and makes former water oxygenant and former water thorough mixing in former water suction culvert.
As preferably; Said ultra-filtration equipment comprises into water self-acting valve, the ultrafiltration membrane elements more than two or two, product water self-acting valve, product water manual valve, dense water self-acting valve and dense water cross-flow valve; Former water filters with getting into ultrafiltration membrane elements from the former water oxygenant in the former water oxygenant dosing pump through the self-acting valve of intaking, and filtration product water multiparity water self-acting valve is discharged with product water manual valve and is collected in the ultrafiltration product water tank; The dense water that produces water is collected in the dense water collecting device through dense water self-acting valve and the discharge of dense water cross-flow valve.
As preferably, said air purge device comprises pressurized air, pressure maintaining valve and air inlet self-acting valve, and pressurized air is just washed ultrafiltration membrane elements through pressure maintaining valve and air inlet self-acting valve entering ultra-filtration equipment.
As preferably; Said back-purge system comprises hyperfiltration reverse-rinsing pump, variable valve, backwash oxygenant dosing pump, backwash self-acting valve, backwash self-draining valve and produces water and clean bleed valve; The product water that the hyperfiltration reverse-rinsing pump produces ultrafiltration in the water tank pumps in the backwash pipeline; By variable valve control backwash water flow, the oxygenant of backwash simultaneously dosing pump adds the backwash oxygenant in the backwash water of backwash pipeline, and backwash water gets into ultra-filtration equipment through the backwash self-acting valve ultrafiltration membrane elements is carried out backwash.
As preferably; Said subsequent use washing unit comprises external rinse water, cleaning valve and cleaning recovery valve; External rinse water is cleaned back by the feed-water end entering of ultra-filtration equipment to ultrafiltration membrane elements through cleaning valve and is flowed out from detergent line, collects through cleaning the reverse flow valve discharge.
As preferably, said backwash oxygenant dosing pump and used former water oxygenant and the backwash oxygenant of former water oxygenant dosing pump are Youxiaolin.
As preferably, the gases used pressure of the pressurized air of said air purge device is 0.6～0.7Mpa.
The invention has the beneficial effects as follows:
1, employing program control device, operation and cleaning timing operation have guaranteed the flushing to ultrafiltration membrane elements, make to be difficult for obstruction, water flux raising, longer service life.
2, the cleaning of ultra-filtration membrane comprises circulation back flushing, air purge and the subsequent use washing unit of ultrafiltration product water adding of germicide; Aqueous vapor bonded cleaning way; Clean more thoroughly, be applicable to that more suspended substance, colloidal impurity are more, the surface water that the amount of organism, mikrobe is bigger; Simultaneously can save the backwash water yield, cut down the consumption of energy.
3, the water inlet of former water has added sterilant, feed-water end just to water in mikrobe carry out germicidal treatment, make the contaminated degree of ultrafiltration membrane elements lower.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1; Be a kind of ultrafiltration system of the present invention; Comprise that water feed apparatus, ultra-filtration equipment, air purge device, back-purge system, subsequent use washing unit and ultrafiltration produce water tank 10, it is characterized in that: said ultra-filtration equipment comprises into water self-acting valve 1, two or the ultrafiltration membrane elements more than two 2, produces water self-acting valve 3, produces water manual valve 4, dense water self-acting valve 5 and dense water cross-flow valve 6; Said air purge device comprises pressurized air 7, pressure maintaining valve 8 and air inlet self-acting valve 9; Said back-purge system comprises hyperfiltration reverse-rinsing pump 11, variable valve 12, backwash oxygenant dosing pump 13, backwash self-acting valve 14, backwash self-draining valve 15 and produces water and clean bleed valve 16.Water feed apparatus comprises the other former water oxygenant dosing pump 18 that connects on former water 17 and the former water suction culvert.Subsequent use washing unit comprises external rinse water 19, cleaning valve 20 and cleans recovery valve 21.Backwash oxygenant dosing pump 13 is a Youxiaolin with former water oxygenant dosing pump 18 used oxygenants.Pressurized air 7 gases used pressure are 0.6～0.7Mpa.
Former water 17 gets into ultrafiltration membrane elements 2 with the Youxiaolin sterilant from 18 li of former water oxygenant dosing pumps through the self-acting valve 1 of intaking and filters, and filtration product water multiparity water self-acting valve 3 is discharged with product water manual valve 4 and is collected in the ultrafiltration product water tank 10; Produce the dense water of water and discharge collection through dense water self-acting valve 5 and dense water cross-flow valve 6.After system moved for some time, the stored program controlled effect was produced water and is stopped, back-flushing operation, air purge and washing operation simultaneously.
The product water that hyperfiltration reverse-rinsing pump 11 produces ultrafiltration in the water tank 10 pumps in the backwash pipeline; By variable valve 12 control backwash water flows; Add in the backwash water from the Youxiaolin sterilant in the backwash oxygenant dosing pump 13 simultaneously; Backwash water is carried out backwash through 14 pairs of ultrafiltration membrane elements of backwash self-acting valve 2, and promptly backwash water gets into from the product water end (W.E.) of ultrafiltration membrane elements 2; The air purge device is opened simultaneously, and pressurized air 7 is just being washed through pressure maintaining valve 8 and 9 pairs of ultrafiltration membrane elements 2 of air inlet self-acting valve, and promptly gas gets into from the feed-water end of ultrafiltration membrane elements 2.Backwash is produced the sewage of water and is discharged collection from backwash self-draining valve 15, and remaining backwash water is cleaned bleed valve 16 through product water and discharged collection in the backwash pipeline.Through the mixing oscillation action of pressurized air and water, make the film silk more fluffy, more be prone to wash away film silk surface dirt, save the backwash water yield, cut down the consumption of energy.
When gas-vapor mix backwash device breaks down or ultrafiltration membrane elements is polluted when excessive, can start subsequent use washing unit.Subsequent use washing unit adopts external rinse water that ultrafiltration membrane elements is cleaned; External rinse water 19 gets into through the feed-water end of cleaning valve 20 by ultrafiltration membrane elements 2; Membrane element is cleaned the back flow out, collect through cleaning reverse flow valve 21 discharges from detergent line.
Claims (10)
1. ultrafiltration system; Comprise the ultra-filtration equipment that is provided with ultrafiltration membrane elements (2); Said ultra-filtration equipment feed-water end connects water feed apparatus; Said water feed apparatus will add behind the former water oxygenant former water (17) and send into ultrafiltration membrane elements and filter; Filter the clear water that produces water in the back and after the product water end (W.E.) of ultra-filtration equipment is discharged, be collected in the ultrafiltration product water tank (10), the concentrated water drainage that produces water goes out the back to be collected by dense water collecting device, it is characterized in that: water tank connection back-purge system is produced in said ultrafiltration; Said back-purge system with ultrafiltration produce product water in the water tank pump in the backwash pipeline and add the backwash oxygenant after produce water end (W.E.) from ultra-filtration equipment and get into ultrafiltration membrane elements (2) is carried out backwash; Said ultra-filtration equipment feed-water end connects the air purge device, and in back-purge system work, said air purge device is opened pressurized air (7) entering ultra-filtration equipment is just washed ultrafiltration membrane elements (2).
2. a kind of ultrafiltration system according to claim 1 is characterized in that: said ultra-filtration equipment feed-water end also is connected with subsequent use washing unit, and said subsequent use washing unit is sent external rinse water into ultra-filtration equipment ultrafiltration membrane elements is cleaned.
3. a kind of ultrafiltration system according to claim 2; It is characterized in that: said water feed apparatus, ultra-filtration equipment, air purge device, back-purge system and subsequent use washing unit are controlled by program control device, and the timing operation of program control device control water feed apparatus and ultra-filtration equipment and air purge device, back-purge system and subsequent use washing unit are closed the back at ultra-filtration equipment ultra-filtration equipment is cleaned.
4. according to claim 2 or 3 described a kind of ultrafiltration systems; It is characterized in that: said water feed apparatus comprises the other former water oxygenant dosing pump (18) that connects on former water (17) and the former water suction culvert, and former water oxygenant dosing pump pumps into former water oxygenant and makes former water oxygenant and former water thorough mixing in former water suction culvert.
5. a kind of ultrafiltration system according to claim 4; It is characterized in that: said ultra-filtration equipment comprises into water self-acting valve (1), the ultrafiltration membrane elements more than two (2), product water self-acting valve (3), product water manual valve (4), dense water self-acting valve (5) and dense water cross-flow valve (6); Former water (17) gets into ultrafiltration membrane elements (2) with the former water oxygenant from former water oxygenant dosing pump (18) lining through water inlet self-acting valve (1) and filters; Filtration product water multiparity water self-acting valve (3) and product water manual valve (4) are discharged and are collected in the ultrafiltration product water tank (10), and the dense water of product water is collected in the dense water collecting device through dense water self-acting valve (5) and dense water cross-flow valve (6) discharge.
6. a kind of ultrafiltration system according to claim 5; It is characterized in that: said air purge device comprises pressurized air (7), pressure maintaining valve (8) and air inlet self-acting valve (9), and pressurized air (7) is just washed ultrafiltration membrane elements (2) through pressure maintaining valve (8) and air inlet self-acting valve (9) entering ultra-filtration equipment.
7. a kind of ultrafiltration system according to claim 6; It is characterized in that: said back-purge system comprises hyperfiltration reverse-rinsing pump (11), variable valve (12), backwash oxygenant dosing pump (13), backwash self-acting valve (14), backwash self-draining valve (15) and produces water and clean bleed valve (16); The product water that the hyperfiltration reverse-rinsing pump produces ultrafiltration in the water tank pumps in the backwash pipeline; By variable valve (12) control backwash water flow; Backwash oxygenant dosing pump (13) adds the backwash oxygenant in the backwash water of backwash pipeline simultaneously, and backwash water gets into ultra-filtration equipment through backwash self-acting valve (14) ultrafiltration membrane elements is carried out backwash.
8. a kind of ultrafiltration system according to claim 7; It is characterized in that: said subsequent use washing unit comprises external rinse water (19), cleaning valve (20) and cleans recovery valve (21); External rinse water is cleaned back by the feed-water end entering of ultra-filtration equipment to ultrafiltration membrane elements through cleaning valve and is flowed out from detergent line, collects through cleaning the reverse flow valve discharge.
9. a kind of ultrafiltration system according to claim 8 is characterized in that: said backwash oxygenant dosing pump and used former water oxygenant and the backwash oxygenant of former water oxygenant dosing pump are Youxiaolin.
10. a kind of ultrafiltration system according to claim 8 is characterized in that: the gases used pressure of the pressurized air of said air purge device (7) is 0.6～0.7Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104295499A CN102491453A (en) | 2011-12-20 | 2011-12-20 | Ultrafiltration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104295499A CN102491453A (en) | 2011-12-20 | 2011-12-20 | Ultrafiltration system |
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| CN102491453A true CN102491453A (en) | 2012-06-13 |
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| CN2011104295499A Pending CN102491453A (en) | 2011-12-20 | 2011-12-20 | Ultrafiltration system |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601307A (en) * | 2013-11-22 | 2014-02-26 | 山西平朔煤矸石发电有限责任公司 | Circulating ultrafiltration device for deep decontamination |
| CN106955596A (en) * | 2017-05-18 | 2017-07-18 | 伟泰科技（无锡）有限公司 | A kind of blue algae water separating system |
| CN107224877A (en) * | 2017-07-20 | 2017-10-03 | 金科水务工程(北京)有限公司 | A kind of packaging type super-filter purifying device |
| CN108285209A (en) * | 2017-11-29 | 2018-07-17 | 三达膜科技（厦门）有限公司 | A kind of cross-flow loop ultrafiltration system |
| CN109126468A (en) * | 2017-06-15 | 2019-01-04 | 江苏立业环境科技有限公司 | A kind of Water warfare ultrafiltration apparatus |
| CN110330077A (en) * | 2019-07-10 | 2019-10-15 | 神华（福建）能源有限责任公司 | Chemical ultrafiltration water production system equipment and its control method |
| CN111039433A (en) * | 2019-12-13 | 2020-04-21 | 浙江天地环保科技有限公司 | System and method for treating ship tail gas desulfurization washing wastewater |
| CN111701455A (en) * | 2020-06-12 | 2020-09-25 | 山信软件股份有限公司 | Ultrafiltration system |
| CN111943376A (en) * | 2020-08-11 | 2020-11-17 | 广州万佳智能设备有限公司 | Ultrafiltration water purification system |
| CN112076626A (en) * | 2020-09-19 | 2020-12-15 | 浙江海盐力源环保科技股份有限公司 | Novel microfiltration system for seawater desalination pretreatment |
| CN112717696A (en) * | 2020-12-16 | 2021-04-30 | 艾克飞膜材(嘉兴)有限公司 | Ultrafiltration membrane system cleaned by micro-bubble ozone and cleaning method thereof |
| CN113044924A (en) * | 2021-03-31 | 2021-06-29 | 苏州立升净水科技有限公司 | Membrane filtration device |
| CN114602328A (en) * | 2022-02-23 | 2022-06-10 | 内蒙古正合市政工程有限公司 | Cleaning and maintaining device and method for ultrafiltration membrane |
| CN114849487A (en) * | 2022-06-01 | 2022-08-05 | 北京北排膜科技有限公司 | Cleaning system and method for ultrafiltration membrane |
| NL2031114B1 (en) | 2021-03-09 | 2022-09-21 | Zhejiang Jinmo Environmental Tech Co Ltd | HMF Wastewater Treatment and Recycling Process |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601307A (en) * | 2013-11-22 | 2014-02-26 | 山西平朔煤矸石发电有限责任公司 | Circulating ultrafiltration device for deep decontamination |
| CN106955596A (en) * | 2017-05-18 | 2017-07-18 | 伟泰科技（无锡）有限公司 | A kind of blue algae water separating system |
| CN109126468A (en) * | 2017-06-15 | 2019-01-04 | 江苏立业环境科技有限公司 | A kind of Water warfare ultrafiltration apparatus |
| CN107224877A (en) * | 2017-07-20 | 2017-10-03 | 金科水务工程(北京)有限公司 | A kind of packaging type super-filter purifying device |
| CN107224877B (en) * | 2017-07-20 | 2023-11-03 | 金科环境股份有限公司 | Assembled ultrafiltration water purifying device |
| CN108285209A (en) * | 2017-11-29 | 2018-07-17 | 三达膜科技（厦门）有限公司 | A kind of cross-flow loop ultrafiltration system |
| CN110330077B (en) * | 2019-07-10 | 2022-04-05 | 神华（福建）能源有限责任公司 | Chemical ultrafiltration water production system equipment and control method thereof |
| CN110330077A (en) * | 2019-07-10 | 2019-10-15 | 神华（福建）能源有限责任公司 | Chemical ultrafiltration water production system equipment and its control method |
| CN111039433A (en) * | 2019-12-13 | 2020-04-21 | 浙江天地环保科技有限公司 | System and method for treating ship tail gas desulfurization washing wastewater |
| CN111701455A (en) * | 2020-06-12 | 2020-09-25 | 山信软件股份有限公司 | Ultrafiltration system |
| CN111943376A (en) * | 2020-08-11 | 2020-11-17 | 广州万佳智能设备有限公司 | Ultrafiltration water purification system |
| CN112076626A (en) * | 2020-09-19 | 2020-12-15 | 浙江海盐力源环保科技股份有限公司 | Novel microfiltration system for seawater desalination pretreatment |
| CN112717696A (en) * | 2020-12-16 | 2021-04-30 | 艾克飞膜材(嘉兴)有限公司 | Ultrafiltration membrane system cleaned by micro-bubble ozone and cleaning method thereof |
| NL2031114B1 (en) | 2021-03-09 | 2022-09-21 | Zhejiang Jinmo Environmental Tech Co Ltd | HMF Wastewater Treatment and Recycling Process |
| CN113044924A (en) * | 2021-03-31 | 2021-06-29 | 苏州立升净水科技有限公司 | Membrane filtration device |
| CN114602328A (en) * | 2022-02-23 | 2022-06-10 | 内蒙古正合市政工程有限公司 | Cleaning and maintaining device and method for ultrafiltration membrane |
| CN114849487A (en) * | 2022-06-01 | 2022-08-05 | 北京北排膜科技有限公司 | Cleaning system and method for ultrafiltration membrane |
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Address after: The South Gate of Wuxing District of Zhejiang city in Huzhou province and 313022 State Road 104 west of Zhejiang shijiaqiao crystal water treatment equipment Co. Ltd. Applicant after: Zhejiang Jingquan Water Treatment Equipment Co., Ltd. Address before: 313022 Zhejiang province Huzhou city outside the South Gate of shijiaqiao State Road 104 west Applicant before: Zhejiang Jingquan Water Treatment Equipment Co., Ltd. |
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Application publication date: 20120613 |