CN201080449Y - Hyperfiltering backwashing water recovery device - Google Patents

Hyperfiltering backwashing water recovery device Download PDF

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Publication number
CN201080449Y
CN201080449Y CNU2007200970747U CN200720097074U CN201080449Y CN 201080449 Y CN201080449 Y CN 201080449Y CN U2007200970747 U CNU2007200970747 U CN U2007200970747U CN 200720097074 U CN200720097074 U CN 200720097074U CN 201080449 Y CN201080449 Y CN 201080449Y
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China
Prior art keywords
water
pipeline
dosing
coagulating agent
valve
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Expired - Fee Related
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CNU2007200970747U
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Chinese (zh)
Inventor
何文杰
刘德滨
胡建坤
卜建伟
李爱斌
肖峰
王健
孙慧娴
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TIANJIN HUAYU FILM TECHNOLOGY Co Ltd
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TIANJIN HUAYU FILM TECHNOLOGY Co Ltd
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  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The utility model discloses a hyperfiltration backflushing water recovery device, consisting of (a) a recovery equalization pond, (b) a pipeline mixer, (c) a coagulant feeding device, (d) an immersible membrane device, (e) an active carbon feeding device, (f) a water yielding tank, and (g) a chemical cleaner; wherein an immersible membrane component is arranged in a membrane groove of the immersible membrane device, the bottom of the membrane component is provided with an aeration device; the water inlet of the membrane groove is connected with the water outlet of the pipeline mixer through a second pipeline on which a valve and a powder active carbon feeding port are arranged in sequence. The utility model has the advantages of flexible service conditions, high recovery efficiency, good output water quality, high auto-control level, perfect membrane cleaning system, and continuous operating in long time and with lost cost.

Description

A kind of hyperfiltration reverse-rinsing apparatus for recovering
Technical field
The utility model relates to a kind of backwash water retrieving arrangement, is specifically related to a kind of retrieving arrangement at the backwash water that produces in the ultrafiltration membrane treatment tap water process.
Background technology
Membrane technique is called as " water technology of 21 century ", and wherein ultrafiltration and micro-filtration are widely used in the drinking water treatment.But in actual applications, ultrafiltration and microfiltration membrane system need regularly be carried out back flushing, carry out once, and produce a large amount of backwash water thus in general per 15~60 minutes.As membrane backwashing is reclaimed, not only can improve the film system water rate of recovery, reduce wastewater discharge, but also can save great amount of water resources.The relevant report that at present domestic also Shang Weijian has membrane backwashing to recycle has ordinary method recycling ultrafiltration/microfiltration membrane backwash water such as the coagulating sedimentation of employing, gravity concentrate abroad.But adopt ordinary method that membrane backwashing is recycled, have following shortcoming: the one, organic efficiency is low; The 2nd, have certain recovery risk, particularly conventional index such as iron, manganese and microbiological indicator (giardia lamblia stiles and Cryptosporidium); The 3rd, divide dried up need to be transmitted back to former water and carry out purifying treatment once more.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of prior art, and a kind of hyperfiltration reverse-rinsing apparatus for recovering is provided, and adopts this device reclamation film backwash water, has greatly improved the water rate of recovery of film system, has reduced discharged waste water, has saved great amount of water resources.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of hyperfiltration reverse-rinsing apparatus for recovering, and it comprises:
(a) recovery equalizing tank that is used to regulate the hyperfiltration reverse-rinsing water water yield and water quality;
(b) line mixer, the water-in of this mixing tank links to each other with the water outlet of described recovery equalizing tank by first pipeline, is disposed with lift pump, valve, coagulating agent dosing mouth on this first pipeline;
(c) coagulating agent chemicals dosing plant, this chemicals dosing plant links to each other with described coagulating agent dosing mouth, is used for the adding of coagulating agent;
(d) immersed membranes device, be provided with the immersed membranes assembly in the film groove of this device, the bottom of this membrane module is provided with aerating apparatus, the water-in of this film groove links to each other with the water outlet of described line mixer by second pipeline, is disposed with valve and Powdered Activated Carbon dosing mouth on this second pipeline;
(e) gac throwing device, this device links to each other with described gac dosing mouth;
(f) product water tank, the top of this product water tank, top, bottom are respectively arranged with water-in, overflow port, water outlet, and the water-in of described product water tank links to each other with the water outlet of described membrane module by the pipeline that it is provided with valve and filtration/backwashing pump respectively with water outlet;
(g) chemically-cleaning device, the water outlet of this washing unit links to each other so that soup is injected with the feeding opening of described film groove by pipeline.
Described coagulating agent chemicals dosing plant comprises the coagulating agent medicinal cupping, and the medicine outlet of described coagulating agent medicinal cupping is connected with described coagulating agent dosing mouth by coagulating agent dosing pipeline, is disposed with volume pump and dosing valve on described coagulating agent dosing pipeline.
Described gac throwing device comprises the Powdered Activated Carbon medicinal cupping, and the medicine outlet of described medicinal cupping is connected with described gac dosing mouth by gac dosing pipeline, is disposed with volume pump and dosing valve on described gac dosing pipeline.
Described aerating apparatus comprises gas blower, and the outlet of described gas blower links to each other by the aeration tube of tracheae with the bottom of described membrane module, is disposed with valve, spinner-type flowmeter on described tracheae.
Described chemically-cleaning device comprises the medicine cleaning of evaporator, and the medicine outlet of described medicine cleaning of evaporator is washed the dosing pipeline by medicine and linked to each other with described film groove, washes at described medicine to be disposed with medicine on the dosing pipeline and to wash pump and valve.
The beneficial effects of the utility model are: the utility model solved ordinary method recycling membrane backwashing organic efficiency low, have certain recovery risk, divide and dried uply also need be transmitted back to former water and carry out problems such as purifying treatment once more, this retrieving arrangement has that operational condition is flexible, organic efficiency is high, effluent quality is good, automatic control degree height, advantages such as perfect film cleaning system, low-cost continuous operation for a long time are arranged.Adopt this device to reclaim backwash water, effluent quality satisfies national water quality standard for drinking water requirement, can directly enter clean water basin and fail water supply network outside through sterilizing after.By this device membrane backwashing is recycled in addition, greatly improved the water rate of recovery of film system, reduced discharged waste water, saved great amount of water resources, have remarkable social benefit, environmental benefit and economic benefit.
Description of drawings
Accompanying drawing is the overview of a kind of hyperfiltration reverse-rinsing apparatus for recovering of the present utility model.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
A kind of hyperfiltration reverse-rinsing apparatus for recovering of the present utility model as shown in drawings, it comprises: (a) recovery equalizing tank 1 that is used to regulate the hyperfiltration reverse-rinsing water water yield and water quality; (b) line mixer 9, the water-in of this mixing tank links to each other with the water outlet of described recovery equalizing tank by first pipeline 3, is disposed with lift pump 2, valve 4, coagulating agent dosing mouth 8 on this first pipeline; (c) coagulating agent chemicals dosing plant, this chemicals dosing plant links to each other with described coagulating agent dosing mouth, is used for the adding of coagulating agent; (d) immersed membranes device, be provided with immersed membranes assembly 16 in the film groove 17 of this device, the bottom of this membrane module is provided with aerating apparatus, the water-in of this film groove links to each other with the water outlet of described line mixer by second pipeline 11, is disposed with valve 10 and Powdered Activated Carbon dosing mouth 15 on this second pipeline; (e) gac throwing device, this device links to each other with described gac dosing mouth; (f) product water tank 30, the top of this product water tank, top, bottom are respectively arranged with water-in, overflow port, water outlet, and the water-in of described product water tank links to each other with the water outlet of described membrane module by the pipeline that it is provided with valve and filtration/backwashing pump 26 respectively with water outlet; (g) chemically-cleaning device, this washing unit links to each other so that soup is injected with the feeding opening of described film groove by pipeline.Described coagulating agent chemicals dosing plant comprises coagulating agent medicinal cupping 5, and the medicine outlet of described coagulating agent medicinal cupping is connected with described coagulating agent dosing mouth by coagulating agent dosing pipeline, is disposed with volume pump 6 and dosing valve 7 on described coagulating agent dosing pipeline.Described gac throwing device comprises Powdered Activated Carbon medicinal cupping 12, the medicine outlet of described Powdered Activated Carbon medicinal cupping is connected with described gac dosing mouth by gac dosing pipeline, is disposed with volume pump 13 and dosing valve 14 on described gac dosing pipeline.Described aerating apparatus comprises gas blower 18, and the outlet of described gas blower links to each other with the aeration tube 21 of the bottom of described membrane module by tracheae, is disposed with valve 19, spinner-type flowmeter 20 on described tracheae.Described chemically-cleaning device comprises medicine cleaning of evaporator 33, and the medicine outlet of described medicine cleaning of evaporator is washed the dosing pipeline by medicine and linked to each other with the feeding opening of described film groove, washes at described medicine to be disposed with medicine on the dosing pipeline and to wash pump 32 and valve 31.
The working process of this device is: hyperfiltration reverse-rinsing water enters and reclaims equalizing tank 1, enter line mixer 9 through lift pump 2, before entering line mixer, on pipeline, pass through coagulating agent medicinal cupping 5, volume pump 6, dosing valve 7 dosing coagulants, the line mixer water outlet enters film groove 17 after adding Powdered Activated Carbon, the Powdered Activated Carbon throwing device comprises Powdered Activated Carbon medicinal cupping 12, volume pump 13, dosing valve 14, suction by filtration/backwashing pump 26, utilize the suction negative pressure of hydrostaticpressure and film inner chamber to see through the film water outlet, the film water outlet enters produces water tank 30, through overflow water outlet 29.The operation of immersed membranes system comprises three kinds of operator schemes: filter operation, backwash operation and matting operation.Open valve 24 and valve 28 are carried out the normal filtration operation.Open valve 25, valve 27 start aerating apparatus simultaneously, and membrane module 16 is carried out combined water and air backwash.Aerating apparatus comprises gas blower 18, valve 19, spinner-type flowmeter 20, aeration tube 21.Backwash operation is frequently to carry out (per 20~30min carries out once) cycle, pollutes to alleviate film to greatest extent.The water backwash mainly is to clean fenestra internal adsorption material, and the gas backwash mainly is by the tympanum silk, removes film surface contamination material.After backwash finished, as required, Open valve 22 was discharged backwash waste 23.When transmembrane pressure rises to set(ting)value, Open valve 31, all the other valve closess start medicine and wash pump 32, and medicine cleaning of evaporator 33 herb liquids are injected the film groove, carry out the matting operation according to pre-set programs.The utility model is removed organism preferably with coagulating treatment and the organically combination of Powdered Activated Carbon adsorption treatment, and the efficient solid-liquid centrifugation by film obtains the fine water outlet.

Claims (5)

1. hyperfiltration reverse-rinsing apparatus for recovering is characterized in that it comprises:
(a) recovery equalizing tank that is used to regulate the ultrafiltration backwashing wastewater water yield and water quality;
(b) line mixer, the water-in of this mixing tank links to each other with the water outlet of described recovery equalizing tank by first pipeline, is disposed with lift pump, valve, coagulating agent dosing mouth on this first pipeline;
(c) coagulating agent chemicals dosing plant, this chemicals dosing plant links to each other with described coagulating agent dosing mouth, is used for the adding of coagulating agent;
(d) immersed membranes device, be provided with the immersed membranes assembly in the film groove of this device, the bottom of this membrane module is provided with aerating apparatus, the water-in of this film groove links to each other with the water outlet of described line mixer by second pipeline, is disposed with valve and Powdered Activated Carbon dosing mouth on this second pipeline;
(e) gac throwing device, this device links to each other with described gac dosing mouth;
(f) product water tank, the top of this product water tank, top, bottom are respectively arranged with water-in, overflow port, water outlet, and the water-in of described product water tank links to each other with the water outlet of described membrane module by the pipeline that it is provided with valve and filtration/backwashing pump respectively with water outlet;
(g) chemically-cleaning device, the water outlet of this washing unit links to each other so that soup is injected with described film groove by pipeline.
2. hyperfiltration reverse-rinsing apparatus for recovering according to claim 1, it is characterized in that: described coagulating agent chemicals dosing plant comprises the coagulating agent medicinal cupping, the medicine outlet of described coagulating agent medicinal cupping is connected with described coagulating agent dosing mouth by coagulating agent dosing pipeline, is disposed with volume pump and dosing valve on described coagulating agent dosing pipeline.
3. hyperfiltration reverse-rinsing apparatus for recovering according to claim 1, it is characterized in that: described gac throwing device comprises the Powdered Activated Carbon medicinal cupping, the medicine outlet of described medicinal cupping is connected with described gac dosing mouth by gac dosing pipeline, is disposed with volume pump and dosing valve on described gac dosing pipeline.
4. hyperfiltration reverse-rinsing apparatus for recovering according to claim 1, it is characterized in that: described aerating apparatus comprises gas blower, the outlet of described gas blower links to each other by the aeration tube of tracheae with the bottom of described membrane module, is disposed with valve, spinner-type flowmeter on described tracheae.
5. hyperfiltration reverse-rinsing apparatus for recovering according to claim 1, it is characterized in that: described chemically-cleaning device comprises the medicine cleaning of evaporator, the medicine outlet of described medicine cleaning of evaporator is washed the dosing pipeline by medicine and is linked to each other with feeding opening on the described film groove, washes at described medicine to be disposed with medicine on the dosing pipeline and to wash pump and valve.
CNU2007200970747U 2007-08-14 2007-08-14 Hyperfiltering backwashing water recovery device Expired - Fee Related CN201080449Y (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102050529A (en) * 2009-10-28 2011-05-11 轻工业环境保护研究所 Immersed water treatment device of inner circulating membrane coagulation reactor
CN102198986A (en) * 2011-04-15 2011-09-28 天津大学 Method for improving water yield of membrane system by refluxing membrane backwashing water
CN102329022A (en) * 2011-09-02 2012-01-25 国电龙源南京膜技术有限公司 Drinking water treatment device based on ultrafiltration device
CN102583651A (en) * 2012-03-06 2012-07-18 北京科泰兴达高新技术有限公司 Water-saving ultra/microfiltration purification device for water
CN103785200A (en) * 2014-02-18 2014-05-14 施世英 Backwash device testing machine and testing method thereof
CN105174541A (en) * 2015-09-18 2015-12-23 浙江省环境保护科学设计研究院 Deep sewage treatment device and method by means of membrane coagulation reaction and powdered activated carbon adsorption
CN106115851A (en) * 2016-08-18 2016-11-16 哈尔滨工业大学水资源国家工程研究中心有限公司 Device and the application process thereof of Pollution of Ultrafiltration Membrane is alleviated in lower valency saline solution backwash
CN106630242A (en) * 2015-10-29 2017-05-10 宝山钢铁股份有限公司 Process and device for rapidly removing total organic carbon and chroma in coking reverse osmosis concentrated water
CN107051210A (en) * 2017-05-11 2017-08-18 南京益能环境工程有限公司 A kind of suspension is resistant to ultrafiltration apparatus
CN110407298A (en) * 2019-07-22 2019-11-05 济南上华科技有限公司 It is a kind of for the pretreated tubular type film processing system of refuse leachate and the pretreating process of the system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102050529B (en) * 2009-10-28 2012-09-05 轻工业环境保护研究所 Immersed water treatment device of inner circulating membrane coagulation reactor
CN102050529A (en) * 2009-10-28 2011-05-11 轻工业环境保护研究所 Immersed water treatment device of inner circulating membrane coagulation reactor
CN102198986A (en) * 2011-04-15 2011-09-28 天津大学 Method for improving water yield of membrane system by refluxing membrane backwashing water
CN102329022A (en) * 2011-09-02 2012-01-25 国电龙源南京膜技术有限公司 Drinking water treatment device based on ultrafiltration device
CN102583651A (en) * 2012-03-06 2012-07-18 北京科泰兴达高新技术有限公司 Water-saving ultra/microfiltration purification device for water
CN103785200B (en) * 2014-02-18 2016-06-29 施世英 A kind of back purge system test machine and method of testing thereof
CN103785200A (en) * 2014-02-18 2014-05-14 施世英 Backwash device testing machine and testing method thereof
CN105174541A (en) * 2015-09-18 2015-12-23 浙江省环境保护科学设计研究院 Deep sewage treatment device and method by means of membrane coagulation reaction and powdered activated carbon adsorption
CN105174541B (en) * 2015-09-18 2018-06-01 浙江省环境保护科学设计研究院 A kind of device and method using film coagulating joint powder electroless plating deeply treating wastewater
CN106630242A (en) * 2015-10-29 2017-05-10 宝山钢铁股份有限公司 Process and device for rapidly removing total organic carbon and chroma in coking reverse osmosis concentrated water
CN106115851A (en) * 2016-08-18 2016-11-16 哈尔滨工业大学水资源国家工程研究中心有限公司 Device and the application process thereof of Pollution of Ultrafiltration Membrane is alleviated in lower valency saline solution backwash
CN107051210A (en) * 2017-05-11 2017-08-18 南京益能环境工程有限公司 A kind of suspension is resistant to ultrafiltration apparatus
CN110407298A (en) * 2019-07-22 2019-11-05 济南上华科技有限公司 It is a kind of for the pretreated tubular type film processing system of refuse leachate and the pretreating process of the system

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