CN202315711U - Immersive ultrafiltration membrane short-flow water treatment device adopting inclined pipe - Google Patents

Immersive ultrafiltration membrane short-flow water treatment device adopting inclined pipe Download PDF

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Publication number
CN202315711U
CN202315711U CN2011203168453U CN201120316845U CN202315711U CN 202315711 U CN202315711 U CN 202315711U CN 2011203168453 U CN2011203168453 U CN 2011203168453U CN 201120316845 U CN201120316845 U CN 201120316845U CN 202315711 U CN202315711 U CN 202315711U
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China
Prior art keywords
ultrafiltration membrane
immersion
water
immersive
inclined tube
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Expired - Fee Related
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CN2011203168453U
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Chinese (zh)
Inventor
张效刚
陈莉
冯金荣
邓伯林
薛开泉
金建新
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TAIPINGYANG WATER TREATMENT ENGINEERING Co Ltd
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TAIPINGYANG WATER TREATMENT ENGINEERING Co Ltd
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Priority to CN2011203168453U priority Critical patent/CN202315711U/en
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Abstract

The utility model discloses an immersive ultrafiltration membrane short-flow water treatment device adopting an inclined pipe. The immersive ultrafiltration membrane short-flow water treatment device comprises a mixing pool, a flocculation pool, an immersive ultrafiltration membrane pool, a water pump and a water production pool, and is characterized in that the immersive ultrafiltration membrane pool comprises an immersive ultrafiltration membrane component, a sludge gathering region, the inclined pipe, a water inlet pipeline, a sludge discharging pipeline and an overflow pipeline; the inclined pipe is arranged at the lower part of the immersive ultrafiltration membrane component; and an inlet of the water inlet pipeline is formed at the lower part of a solid-liquid separator. The immersive ultrafiltration membrane short-flow water treatment device is suitable for water purification treatment industries, in particular for upgrading and improvement of old running water factories and construction of new water factories, and is suitable for drinking water treatment fields of country areas, in which water sources are polluted, or small-scale water treatment stations. The inclined pipe in the device can be used for effectively separating solid from liquid, so that the working burden of an immersive ultrafiltration membrane is reduced, and the pollution to the ultrafiltration membrane is relieved; and therefore, the sludge gathering of the fixed ultrafiltration membrane is reduced effectively, the service life of the ultrafiltration membrane is prolonged, and the use intensity of the ultrafiltration membrane is improved.

Description

A kind of short flow process water treatment facilities of immersion milipore filter that adopts inclined tube
Technical field
This device is suitable for the clean water treatment industry, and especially old waterworks is carried mark and transformed and newly-built water factory; Drinking water treatment field, rural area that this device is suitable for being polluted at the water source or water treatment station on a small scale.
Background technology
At present, domestic ultrafiltration membrane treatment technology progressively is being applied to water treatment field and is developing.Especially, nearly 2 years is that the short flow process water purification treatment technology of core has obtained application more and more widely with the immersion milipore filter, on actual engineering, has obtained good operational effect, has fully proved the feasibility and the success property of this technology.In the short flow process water purification treatment technology that with the immersion milipore filter is core, former water directly gets into membrane cisterna and handles behind coagulation, can effectively improve film pollution mechanism, and reason is following:
(1) coagulation has increased particle size.The increase of particle size, the also corresponding increase of probability on film surface is left in the particle migration; Secondly, because the shearing force effect of fluid, the effect that the film surface is left in large-sized particle migration is enhanced; Finally, the oarse-grained flco that coagulation process produces is not easy to see through fenestra more, causes fenestra to block.
(2) change the filter cake form, reduced the filter cake resistivity.
(3) improve the clearance of natural organic matter, changed the composition of former water natural organic matter.Natural organic matter is the main matter that causes film to pollute, and coagulation can effectively be removed natural organic matter, change natural organic matter composition situation and surface electrical behavior, reduction natural organic matter in film surface adsorption ability.
(4) improved backwash efficient.It is generally acknowledged that because thereby coagulating treatment has increased the particle size and reduced the fenestra obstruction backwash is removed the efficient of cake layer and also obviously improved.
But, be that the hyperfiltration membrane assembly that the short flow process water purification treatment technology of core adopts is a curtain type membrane with the immersion milipore filter, or the cylindrical membrane assembly, its common characteristic is that membrane module bottom or upper and lower are all fixed.Because water directly gets into membrane cisterna behind the coagulation, clay content is high, is prone to accumulate a large amount of mud in membrane module lower films bundle bearing; And this part deposition is difficult to remove through conventional aeration flushing, accumulates over a long period; The membrane module that reduces filters effective area, quickens membrane module and pollutes speed, and immersion hyperfiltration membrane assembly flux is descended; Need to increase the intensity of film suction, energy consumption improves.
Summary of the invention
A kind of short flow process water treatment facilities of immersion milipore filter of inclined tube that adopts comprises mixing pit, flocculation basin, immersion ultrafiltration membrane cisterna; Water pump and product pond is characterized in that described immersion ultrafiltration membrane cisterna comprises immersion hyperfiltration membrane assembly, mud accumulation area; Inclined tube, inlet channel, spoil disposal pipeline and overflow pipe; Wherein inclined tube is in the bottom of immersion hyperfiltration membrane assembly, and the inlet of inlet channel is in the bottom of inclined tube.Mixing pit, flocculation basin, immersion ultrafiltration membrane cisterna and product pond link to each other with pipeline.This inclined tube structure is made up of many regular hexagon through hole pipes, and pipe length is 1 meter, and the cross section is that cellular equilateral hexagon is formed by connecting, and setting angle becomes 60 degree or 120 degree with the water inlet direction.The hexagon through hole can be used as former aquaporin, simultaneously also is the come off passage of entering mud accumulation area of mud and milipore filter surface mud cake in the inclined tube.Former water water pump gets into mixing pit, and mixing pit, flocculation basin utilize gravity Inlet and outlet water mode on advancing down, to go out, flocculation basin top water outlet entering ultrafiltration membrane cisterna bottom; Current are upwelling; Through inclined tube device, part mud-water separation, the negative pressure that the water pump suction of milipore filter utilization back forms is filtered the product water conservancy project and is done; Produce the water inlet of top, pond, the bottom water outlet.At mixing pit and flocculation basin agitator is set respectively.
Adopt the immersion ultrafiltration membrane cisterna of inclined tube, can effectively solve membrane module deposition problem, meeting simultaneously with the immersion milipore filter is the short flow process water purification treatment technology theory of core; Former water gets into after the membrane cisterna, and under the inclined tube effect, the bulky grain flco can settle down; The micro-floccule that proportion is little still gets into the membrane module zone with current, when membrane module produces water, forms loose cake layer on film silk surface; Delay contaminated speed of membrane module and degree; The mud cake that comes off on film surface finally gets into the mud accumulation area of membrane cisterna through the hexagon through hole of inclined tube, mud accumulation area is provided with static pressure spoil disposal pipeline, regularly automatic mud removing.Immersion ultrafiltration membrane cisterna top is provided with overflow pipe, guarantees treatment pond water inlet and aquifer yield balance.
Description of drawings
Fig. 1 adopts the structural representation of the short flow process water treatment facilities of immersion milipore filter of inclined tube
Fig. 2 immersion milipore filter pool structure sketch map
Fig. 3 inclined tube surface chart
The specific embodiment
Below in conjunction with shown in the accompanying drawing the utility model is further described.
Specifically with reference to figure 1 and Fig. 2, arrow is represented water (flow) direction among the figure.
A kind of short flow process water treatment facilities of immersion milipore filter that adopts inclined tube, former water 11 is got into by mixing pit bottom 13 under the supercharging condition; On inlet channel, be provided with dosing coagulant inlet 12, carry out flocculant concentration; Mixing pit 1 bottom is provided with blow-off line 14 simultaneously; Mixing pit adopts mechanical agitator, and mechanical mixture GT value can reach 106, and former water was 5 minutes mixing pit time of staying.
Mixing pit 1 water outlet is a gravity current, flows into flocculation basin 2 through water inlet pipe 21, and flocculation basin is the casual fast mixing pit of machinery, adopts mechanical agitator, and mechanical mixture G value can reach 60S -1, flocculation basin 2 bottoms are provided with blow-off line 22, carry out regular spoil disposal.Former water was 10 minutes flocculation basin time of staying.
Flocculation basin 2 water outlets also are gravity current, get into immersion ultrafiltration membrane cisterna 3 through pipeline 31.Immersion ultrafiltration membrane cisterna 3 bottoms are provided with spoil disposal pipeline 32, and treatment pond top is provided with overflow pipe 33, guarantee immersion ultrafiltration membrane cisterna 3 water inlet and aquifer yield balances.Below the middle and upper part placement immersion hyperfiltration membrane assembly 34 in the immersion ultrafiltration pond 3, immersion hyperfiltration membrane assembly 34 is the inclined tube 35 that is complementary with the membrane cisterna cross section, and this routine used milipore filter is a doughnut immersion hyperfiltration membrane assembly; The aperture is 0.01um, and material is PAC, and the inclined tube material is PVC; The orthohexagonal length of side is 20mm; The long 1000mm of inclined tube, hexagon through hole become 60 degree angles with water (flow) direction, the bottom is a mud accumulation area 36.
Water pump 4 is a centrifugal pump.Membrane filtration just leans on water pump 4 suctions to form negative pressure and produces water.Immersion ultrafiltration membrane cisterna 3 water producing pipes are the inlet channel 41 of water pump 4.
It is 51 that the outlet pipeline of water pump 4 is the inlet ductwork of producing pond 5, and producing the pond outlet pipeline is 52.
The former water of the short flow process water treatment facilities of immersion milipore filter that adopts inclined tube is successively through the mix flocculation; Form big molecule flco; In immersion ultrafiltration membrane cisterna, inclined tube can make most of big molecule flco obtain sedimentation, reduces film and pollutes speed and degree; Prolong milipore filter service life, thereby reduce the film processing cost.Hold back through ultrafiltration, organic matter and microorganism further obtain removing, and ensure water supply security, satisfy national drinking water standard.

Claims (3)

1. the short flow process water treatment facilities of immersion milipore filter that adopts inclined tube comprises mixing pit, flocculation basin, immersion ultrafiltration membrane cisterna; Water pump and product pond is characterized in that described immersion ultrafiltration membrane cisterna comprises immersion hyperfiltration membrane assembly, mud accumulation area, inclined tube; Inlet channel, spoil disposal pipeline and overflow pipe, wherein inclined tube is in the bottom of immersion hyperfiltration membrane assembly, and the inlet of inlet channel is in the bottom of inclined tube; Mixing pit, flocculation basin, immersion ultrafiltration membrane cisterna and product pond link to each other with pipeline.
2. according to the short flow process water treatment facilities of the said a kind of immersion milipore filter that adopts inclined tube of claim 1, it is characterized by that solid-liquid separator is in the bottom of immersion hyperfiltration membrane assembly in the said immersion ultrafiltration membrane cisterna, the inlet of inlet channel is in the bottom of inclined tube.
3. according to the said a kind of short flow process water treatment facilities of immersion milipore filter that adopts inclined tube of claim 1; It is characterized by in the said immersion ultrafiltration membrane cisterna inclined tube structure is made up of many regular hexagon through hole pipes; Pipe length is 1 meter; The cross section is that cellular equilateral hexagon is formed by connecting, and setting angle becomes 60 degree or 120 degree with the water inlet direction.
CN2011203168453U 2012-03-23 2012-03-23 Immersive ultrafiltration membrane short-flow water treatment device adopting inclined pipe Expired - Fee Related CN202315711U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103007758A (en) * 2012-11-06 2013-04-03 太平洋水处理工程有限公司 Artesian water on-line recovery immersed ultrafiltration membrane pool
CN103121764A (en) * 2013-02-06 2013-05-29 西安建筑科技大学 Integrated coagulate/immersed membrane filter water quality purifying intake tower
CN103539277A (en) * 2013-10-22 2014-01-29 浙江开创环保科技有限公司 Water treatment method and water treatment device for municipal administration environment sanitation watering cart
CN105293777A (en) * 2015-11-20 2016-02-03 四川大学 Coagulation-efficient sedimentation-air flotation/gas stripping-membrane integrated device and membrane pollution alleviating method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103007758A (en) * 2012-11-06 2013-04-03 太平洋水处理工程有限公司 Artesian water on-line recovery immersed ultrafiltration membrane pool
CN103007758B (en) * 2012-11-06 2016-01-06 太平洋水处理工程有限公司 The online recovery-type immersed ultrafiltration membrane pond of a kind of gravity flow water outlet
CN103121764A (en) * 2013-02-06 2013-05-29 西安建筑科技大学 Integrated coagulate/immersed membrane filter water quality purifying intake tower
CN103121764B (en) * 2013-02-06 2014-04-30 西安建筑科技大学 Integrated coagulation/immersed membrane filtering water quality purifying intake tower
CN103539277A (en) * 2013-10-22 2014-01-29 浙江开创环保科技有限公司 Water treatment method and water treatment device for municipal administration environment sanitation watering cart
CN103539277B (en) * 2013-10-22 2015-09-02 浙江开创环保科技股份有限公司 A kind of municipal environmental sanitation water barrow water treatment method and device
CN105293777A (en) * 2015-11-20 2016-02-03 四川大学 Coagulation-efficient sedimentation-air flotation/gas stripping-membrane integrated device and membrane pollution alleviating method
CN105293777B (en) * 2015-11-20 2018-01-05 四川大学 Coagulation High-rate sedimentation air supporting/air lift film integrated apparatus and the method for mitigating fouling membrane

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Address after: The workers and peasants in Jiangsu province 226010 Nantong City Road No. 29 Rainbow Building 4 floor B block

Patentee after: PACIFIC WATER TREATMENT ENGINEERING Co.,Ltd.

Address before: 226010 Pacific Water Treatment Engineering Co., Ltd., 51 Guangzhou Road, Nantong economic and Technological Development Zone, Jiangsu, China

Patentee before: PACIFIC WATER TREATMENT ENGINEERING Co.,Ltd.

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