CN202072555U - Bent flat membrane (BFM) separating and algae removing system - Google Patents
Bent flat membrane (BFM) separating and algae removing system Download PDFInfo
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- CN202072555U CN202072555U CN 201120163357 CN201120163357U CN202072555U CN 202072555 U CN202072555 U CN 202072555U CN 201120163357 CN201120163357 CN 201120163357 CN 201120163357 U CN201120163357 U CN 201120163357U CN 202072555 U CN202072555 U CN 202072555U
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Abstract
The utility model discloses a bent flat membrane (BFM) separating and algae removing system, which comprises a submersible pump, a water collecting barrel, a micro-pore filtering device, a bent flat membrane device and a micro-algae collecting pond. The submersible pump is connected with the water collecting barrel through pipelines, the water collecting barrel is provided with a filtered water outlet and a concentrated liquid outlet, and the filtered water outlet is connected with a water inlet of the micro-pore filtering device through pipelines. A water outlet of the micro-pore filtering device is connected with a water inlet of the bent flat membrane device through pipelines, and the bent flat membrane device is further provided with a purified water outlet and a backflow liquid outlet which is connected with the water collecting barrel through pipelines, and the concentrated liquid outlet of the water collecting tube is connected with the micro-algae collecting pond through pipelines. The BFM separating and algae removing system creatively combines the micro-pore filtering device with the BFM separating system and increases removal amount of nitrogen and phosphorus and chemical oxygen demand (COD) on the condition of ensuring algae removing rate so as to cut off nutrient substance supply of algae, thereby fundamentally solving the problem of eutrophication.
Description
Technical field
The utility model relates to a kind of algae equipment that removes, and belongs to the technical field of environmental engineering, refers to that especially a kind of BFM membrane sepn removes the phytem system.
Background technology
China's situation of polluted by algae is very serious always in recent years, is a great problem that is perplexing relevant departments for the processing of algae always.Existing algae removal technology is of a great variety, and the method novelty is of all kinds, and technology is also more and more advanced, generally includes following method:
1. the mechanical removal method adopts fixing algae facility and the mobile receipts algae facility waterborne received in bank, and the eutrophication algae of river, lake surface is carried out mechanical removal.The algae amount that can fish for out in the water body is very little, simple physics removes the algae DeGrain, and algae water sepn efficient is not high, and the algae concentration of collection is low, disproportionate with input, make the reduction of algae arrive negligible degree less, the speed of dragging for algae is far away less than algae grows speed, and a large amount of manpower and materials of needs cost, processing cost is too high, and can not move continuously, energy consumption is higher, inefficiency.
2. Microfilter removes algae it is to adopt filter screen to remove in the water diameter more than or equal to filter screen aperture planktonic organism and algae.But to turbidity, colourity, COD
MnClearance is all very low, and is different and very big difference, the difficult more removal of tiny more algae arranged along with the kind of algae to the clearance of algae.
3. this kind of chemical algae removing technology is by adding chemical substances such as a certain amount of oxygenant, coagulant aids, with the organism in the oxidizing water, kills algae or strengthens the removal of algae.Oxygenant commonly used has liquid chlorine, dioxide peroxide and potassium permanganate reagent, and coagulant aids mainly is a Powdered Activated Carbon.Though the chemical algae removing effect is remarkable, the medicament that adds has increased solid content in the water body, is easy to generate other negative impact or causes the secondary pollution of water quality.
4. inhaling the algae method utilizes pump that the wawter bloom algae of water surface enrichment is sucked in the ladder shape floating tube, this is inhaled algae equipment and is made up of dovetail groove assembly, support, cover plate, hinge and water pump pipe, the dovetail groove assembly is housed in dovetail groove, its leading portion is provided with a setter, a slot is fixed on both sides, in the two-layer filter screen fence insertion groove, utilize the little algae of double-layer leaching net enrichment, collect again.But the removal efficient of this method depends on the aperture of filter screen, and the too high then collection effciency in aperture is low, and crossing to hang down then influences water flow, and cost is also higher.
5. this kind of air supporting method algae removal technology technology adopts blue-green alga bloom absorption, flocculation, air supporting continuously, dehydration, and means such as biomass disposal are removed algae.Adopt air supporting to receive the algae technology both at home and abroad, and can utilize domestic and international existing advanced suite of equipment.This method is removed algae efficient up to 99%, environmental friendliness, but working cost height, and power consumption is many, and running cost is higher, the equipment control complexity.
6. millipore filtration collecting method millipore filtration collecting method is that algae with wawter bloom in the water body utilizes pump pressurization passing through membrane module, reach the effect of filtering algae in the wawter bloom water body, equipment is made up of submersible pump, algae liquid collecting tank, film device, pressure pump, water purification by membrane filtration is discharged, and little algae of enrichment is regathered.It is undesirable that millipore filtration removes the algae effect, and enrichment is not high, does not handle the ability of water-quality guideline such as COD, total nitrogen, can not reach the reuse water standard.For example Chinese invention patent application number 201010114247.8 promptly discloses a kind of method and system of utilizing the millipore filtration collecting method to remove algae.
But existing algae-removing method totally exists defectives such as processing cost is too high, processing efficiency is lower, and only can remove algae, can not remove water-quality guideline such as COD and total nitrogen.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of BFM membrane sepn to remove the phytem system, be intended to effectively to handle eutrophication water blue algae outburst problem, should acutely remove the algae measure as a kind of, under the prerequisite that guarantees alga-killing rate, increase the removal of nitrogen phosphorus, COD, to cut off algal nutrient matter, fundamentally solve eutrophication problem.
For solving the problems of the technologies described above, technical solution of the present utility model is:
A kind of BFM membrane sepn removes the phytem system, comprises submersible pump, dust-collecting bucket, microporous filter, crooked board-like film device and little algae collecting tank; Described submersible pump links to each other with dust-collecting bucket by pipeline, this dust-collecting bucket is provided with filtered water outlet and concentrated solution outlet, this filtered water outlet is connected with the water-in of described microporous filter by pipeline, the water outlet of this microporous filter links to each other by the water-in of pipeline with the board-like film device of described bending, the board-like film device of this bending also is provided with pure water inlet and phegma outlet, this phegma outlet links to each other with dust-collecting bucket by pipeline, and the concentrated solution outlet of described dust-collecting bucket links to each other with described little algae collecting tank by pipeline.
Described little algae collecting tank links to each other with a pressure filter again, and pressure filter then connects a fermentation vat.
After adopting such scheme, because the utility model creatively combines microporous filter and crooked board-like film (BFM) separation system, the design of millipore filtration has prolonged the work period of equipment greatly in the pre-treatment, improve the working efficiency of microporous filter, had higher filtration efficiency and little algae rejection; Simultaneously, the design that the BFM film separating system is applied to the filter algae of initiative, solved effluent quality not up to standard, the problems such as treatment capacity is little, efficient is low, cost height in the treatment process in the past greatly, index liquid such as water outlet COD, total nitrogen are higher than national surface water quality B grade standard far away.This system not only can be used for removing the algae of eutrophication water, little algae clearance can reach 99%, and it has higher effluent quality, water outlet can be applied in agricultural irrigation, landscape water, the domestic water and use, so both can be used for concentrating nutritive substances such as algae in the water body and nitrogen phosphorus, reach the effect of removing algae in the eutrophication water, can regard eutrophication water water resources equipment for reclaiming again, the last also recyclable resource utilization of utilizing of algal biscuit is created economic worth.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
What the utility model disclosed is that a kind of BFM membrane sepn removes the phytem system, as shown in Figure 1, is preferred embodiment of the present utility model.This system comprises submersible pump 1, dust-collecting bucket 2, microporous filter 3, crooked board-like film (Bent Flat Membrane, BFM) device 4 and little algae collecting tank 5.Wherein:
Described submersible pump 1 links to each other with dust-collecting bucket 2 by pipeline, this dust-collecting bucket 2 is provided with filtered water outlet 21 and concentrated solution outlet 22, this filtered water outlet 21 is connected with the water-in 31 of described microporous filter 3 by pipeline, the water outlet 32 of this microporous filter 3 links to each other with the water-in 41 of described BFM device 4 by pipeline, this BFM device 4 also is provided with pure water inlet 42 and phegma outlet 43, this phegma outlet 43 links to each other with dust-collecting bucket 2 by pipeline, and the concentrated solution outlet 22 of described dust-collecting bucket 2 links to each other with described little algae collecting tank 5 by pipeline.
Between described submersible pump 1 and the dust-collecting bucket 2 inlet valve 6 can be set; Between the concentrated solution outlet 22 of described dust-collecting bucket 2 and the little algae collecting tank 5 a concentrated solution valve 7 can be set.
Described microporous filter 3 can be existing general-purpose equipment, and its inner chamber is provided with multi-layer microporous filter cloth 33, can carry out pre-treatment to former water, holds back part microactuator suspension algae.
The board-like film device 4(BFM of described bending device) be a kind of ultrafiltration system.Be provided with hyperfiltration membrane assembly in the ultrafiltration system, former water can effectively be removed particulate, colloid, bacterium and macromolecule organic matter in the water through ultra-filtration membrane.Ultrafiltration system is applied in the processing of waste water or sewage more at present, does not see the algae removal technology field that is used in.And the board-like film device 4 of bending described in the utility model is different from traditional ultrafiltration system, and its improvement comprises putamina and two aspects of film core.Wherein the improvement of putamina sees also the Chinese utility model that notification number is CN201470313U, " the rolled film shell structure " of this patent disclosure is the improvement putamina of BFM system, it comprises the bell turnover feed liquid mouth that is positioned at the putamina two ends, and be arranged in putamina the membrane element center see through the liquid collection tube; See through the liquid fairlead and be installed in this bell cavity volume, and be 90 degree directions with turnover feed liquid direction and draw.Different with the eccentric charging or the side charging of conventional rolled membrane module, this mode is optimized the fluid flow state of assembly on axially, the putamina of BFM makes the liquid homogeneous of loading on flow direction, and feedstock direction is consistent with flow direction, and filtration efficiency is improved.The similar rolled film of film cored structure in the BFM system, but adopt proprietary filter structure, make the diaphragm gap reach the 80mil(one-thousandth of an inch), can strengthen turbulence effects, overcome concentration polarization and suspended substance and stop up, realize excellent antifouling property.Little algae can be further held back in being provided with of described BFM device, can remove COD and total nitrogen etc. simultaneously.
In addition, described little algae collecting tank 5 also can link to each other with a pressure filter 8 again, and pressure filter 8 then connects a fermentation vat 9.
The processing step of said system operation is:
(1) water inlet, former water is promoted in the dust-collecting bucket 2 by submersible sewage pump 1, adds to flow into microporous filter 3 behind certain pressure in dust-collecting bucket 2;
(2) pre-treatment is provided with the filter cloth filter tank in the microporous filter 3, water filters by multi-layer microporous filter cloth 33, and filter back water enters BFM device 4;
(3) uf processing, carrying out pretreated water through microporous filter 3 enters crooked board-like film device 4 again and carries out further filtering and concentrating and contain algae liquid, filter back water is collected through the film interior passageway and is discharged, simultaneously, concentrating the algae phegma enters by pipeline from phegma outlet 43 and continues circulation the dust-collecting bucket 2 and concentrate;
(4) collect little algae, after the concentrated solution in the dust-collecting bucket 2 reaches specified cycles of concentration, the concentrated solution valve 7 of automatic control system meeting controlled opening dust-collecting bucket 2, concentrated solution enters into little algae collecting tank 5 through pipeline;
(5) little algae post-processed, the little algae of high density of collecting in little algae collecting tank 5 forms algae mud or algal biscuit after pressure filter 8 press filtrations, and insert in the fermentation vat 9 fermentation and biogas production after pig manure mixes by a certain percentage.
Claims (2)
1. a BFM membrane sepn removes the phytem system, it is characterized in that: comprise submersible pump, dust-collecting bucket, microporous filter, crooked board-like film device and little algae collecting tank; Described submersible pump links to each other with dust-collecting bucket by pipeline, this dust-collecting bucket is provided with filtered water outlet and concentrated solution outlet, this filtered water outlet is connected with the water-in of described microporous filter by pipeline, the water outlet of this microporous filter links to each other by the water-in of pipeline with the board-like film device of described bending, the board-like film device of this bending also is provided with pure water inlet and phegma outlet, this phegma outlet links to each other with dust-collecting bucket by pipeline, and the concentrated solution outlet of described dust-collecting bucket links to each other with described little algae collecting tank by pipeline.
2. BFM membrane sepn according to claim 1 removes the phytem system, and it is characterized in that: described little algae collecting tank links to each other with a pressure filter again, and pressure filter then connects a fermentation vat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120163357 CN202072555U (en) | 2011-05-20 | 2011-05-20 | Bent flat membrane (BFM) separating and algae removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120163357 CN202072555U (en) | 2011-05-20 | 2011-05-20 | Bent flat membrane (BFM) separating and algae removing system |
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| CN202072555U true CN202072555U (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120163357 Expired - Fee Related CN202072555U (en) | 2011-05-20 | 2011-05-20 | Bent flat membrane (BFM) separating and algae removing system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103695290A (en) * | 2013-09-18 | 2014-04-02 | 中国科学院上海高等研究院 | Microalgae stereoscopic cultivating device |
| CN105948383A (en) * | 2016-05-13 | 2016-09-21 | 安徽金农惠民生物技术有限公司 | Method for realizing rapid separation and resource utilization of cyanobacteria in water |
| CN108059214A (en) * | 2017-12-11 | 2018-05-22 | 无锡蓝湾资源再生科技有限公司 | Algae water boat-carrying processing system |
| CN110117044A (en) * | 2019-06-24 | 2019-08-13 | 厦门市天泉鑫膜科技股份有限公司 | A kind of cooling tower recirculated cooling water desalination process and equipment |
| CN113230725A (en) * | 2021-06-08 | 2021-08-10 | 中国科学院水生生物研究所 | Rapid pre-concentration device and method for blue algae applied to water body |
| CN118289889A (en) * | 2024-05-15 | 2024-07-05 | 山东膜泰环保装备有限公司 | Can remove multistage water purification milipore filter equipment of integration of algae |
-
2011
- 2011-05-20 CN CN 201120163357 patent/CN202072555U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103695290A (en) * | 2013-09-18 | 2014-04-02 | 中国科学院上海高等研究院 | Microalgae stereoscopic cultivating device |
| CN105948383A (en) * | 2016-05-13 | 2016-09-21 | 安徽金农惠民生物技术有限公司 | Method for realizing rapid separation and resource utilization of cyanobacteria in water |
| CN108059214A (en) * | 2017-12-11 | 2018-05-22 | 无锡蓝湾资源再生科技有限公司 | Algae water boat-carrying processing system |
| CN110117044A (en) * | 2019-06-24 | 2019-08-13 | 厦门市天泉鑫膜科技股份有限公司 | A kind of cooling tower recirculated cooling water desalination process and equipment |
| CN113230725A (en) * | 2021-06-08 | 2021-08-10 | 中国科学院水生生物研究所 | Rapid pre-concentration device and method for blue algae applied to water body |
| CN118289889A (en) * | 2024-05-15 | 2024-07-05 | 山东膜泰环保装备有限公司 | Can remove multistage water purification milipore filter equipment of integration of algae |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20160520 |