CN102872632B - Fixed plate frame microfiltration device - Google Patents
Fixed plate frame microfiltration device Download PDFInfo
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- CN102872632B CN102872632B CN201210345750.3A CN201210345750A CN102872632B CN 102872632 B CN102872632 B CN 102872632B CN 201210345750 A CN201210345750 A CN 201210345750A CN 102872632 B CN102872632 B CN 102872632B
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Abstract
The invention relates to a water treatment device, in particular to a fixed plate frame microfiltration device. The device comprises a filter tank, a water inlet pipeline, a water outlet pipeline and a square filter frame body, wherein the water inlet pipeline and the water outlet pipeline are respectively arranged outside the two ends of the filter tank; and the filter frame body is arranged in the filter tank. The device has the advantages that (1) the effective area of a rectangular filter disc is large, and the space utilization rate is greatly improved; (2) a square plate frame filter disc is fixed and is not required to be rotated, the height of the filter disc is limited by transport dimensions, and the length of the filter disc is not limited; (3) by an immersion design, the utilization efficiency of the filter area under the immersion condition is the highest, and the treatment capacity of the microfiltration device is correspondingly high; and (4) by the scheme, the unit filter area can easily reach more than 300m<2>, even an ultra-large microfiltration device with the unit filter area of more than 600m<2> and the unit treatment capacity of more than 200,000m<3>/d (the treatment capacity in each square meter of filter area in each hour is 15m<3>) can be produced, and the unit scale can be continuously expanded.
Description
Technical field
The present invention relates to a kind of water treatment facilities, particularly relate to a kind of micro-filtration of fixed head frame.
Background technology
Micro-filtration also claims Microfilter, utilizes micro porous filtration to carry out the equipment of water treatment exactly.Micro porous filtration is a kind of mechanical filtering method, and be applicable to the small suspended material existing in liquid, mainly phytoplankton, zooplankter and debris etc. are separated to greatest extent, reaches fluid purification or reclaims the object of useful suspension.
According to the discharge standard of " urban wastewater treatment firm pollutant emission standard " GB18918-2002, optimum discharge index after sewage disposal is one-level A standard, but, technical reason when current most sewage treatment plant is because founding the factory, sewage after its process only performs one-level B standard and just directly enters river, then also need to carry out advanced treating when being used for the purposes such as drinking water, landscape water, Greenland Irrigation, must meet or be better than one-level A standard can use.Therefore, advanced treatment device will become newly-built sewage treatment plant and original sewage treatment plant upgrading to meet the required corollary equipment of one-level emission standard A within following a period of time.
Micro-filtration is widely used in the industries such as water treatment, electric power, oil, chemical industry, metallurgy, papermaking, food, beverage, automobile, boiler, aquaculture, be mainly used in the further purification of water treatment, the advanced treating of waste water and Treated sewage reusing, after being arranged at conventional B-grade sewage treatment system, be specially adapted to the upgrading of built sewage treatment plant, can phosphorus and heavy metal etc. be removed in conjunction with dosing, make water outlet reach one-level A from one-level B.Apply and largest surely belong to municipal tap water factory and sewage treatment plant.Single for sewage treatment plant, by the end of the end of the year 2010, national urban wastewater treatment amount will have 34,300,000,000 m
3, average every day 100,000,000 m
3, single Guangzhou just builds up sewage treatment plant 47 for 2010, sewage treatment capacity 484.4 ten thousand m
3/ d, more plan long term and altogether build up sewage treatment plant 72, the scale in the whole nation is just more huge, a large amount of sewage treatment plants is the discharge standard of one-level A as performed " urban wastewater treatment firm pollutant emission standard " GB18918-2002 discharge index, need to use a large amount of micro-filtration, sewage focus on the market demand more expedited the emergence of super large treating capacity Microfilter on a large scale.
At present, the micro-filtration of domestic and international production is rotary drum and rotating disk form substantially, particularly rotating disc type Microfilter is major technologies and equipment and the product that country supports development, abroad main with the rotary disc filter of German amber and Siemens for representative, the domestic then main fibre turntable filter chamber holding with general China is for representative, and its mentality of designing is all use circular filter rotating disk to be connected in parallel on central tube.
Comparatively speaking, the Microfilter disposal ability of rotary drum form is less, and the unit disposal ability of rotating disc type Microfilter is relatively large, but the maximum-norm of its unit is generally all no more than 50,000 m
3/ d; And rotating disc type Microfilter is due to the rotation of needs driving filtering table, therefore power consumption is larger.
But the large-scale wastewater treatment plant scale in city can reach hundreds thousand of m
3d, as: Guangzhou Lie De sewage treatment plant 400,000 m
3/ d, Shanghai bamboo plantation second sewage treatment plant 500,000 m3/d, sewage treatment plant of Gaobeidian City of Beijing 500,000 m
3/ d.Therefore; a large-scale wastewater treatment plant needs to install a large amount of Microfilters and could meet processing capability requirements; this floor space causing equipment to be installed, installed power, cost, maintenance cost and operating cost are all larger; and the treatment scale of sewage treatment plant also has continuation expansion trend, and the total scale as Guangzhou Lie De sewage treatment plant Phase IV project will up to 1,200,000 m
3/ d.Therefore, play scale and benefit, the market value that the micro-filtration designing unit disposal ability super large has it wide and economic worth.
Summary of the invention
For above deficiency, the invention provides the fixed head frame micro-filtration that a kind of unit disposal ability is strong, power consumption is less.
The present invention is achieved the above object by following scheme:
A kind of fixed head frame micro-filtration, comprises filter tank, inlet channel, outlet conduit, also comprises quadratic filter framework, and the two ends that described inlet and outlet pipe lines is arranged at filter tank are respectively outside, and described filtration framework is arranged in filter tank.
Further, filter framework and comprise one or more square filter plate, multiple square filter plate parallel interval arrangement, filter plate arranges and is enclosed with filter cloth.
Preferably, the bottom in described filter tank is also provided with slot, and filter plate is fixed in filter tank by slot.
Preferably, for making water distribution in filter tank even and the low disturbance of water inlet generation, this micro-filtration also comprises cloth mill weir and effluent weir, cloth mill weir is arranged at the inlet channel in filter tank and filters between framework, effluent weir is arranged at the outlet conduit in filter tank and filters between framework, water enters filter tank from cloth mill weir, then flows out filter tank from effluent weir.
Further preferred, for by before process with process after sewage separate, be provided with isolation dam filtering between framework and effluent weir.
Preferred further, also include cleaning suction nozzle, described cleaning suction nozzle is arranged between square filter plate.
Preferred further, also include supporting bracket, described supporting bracket is fixed between filter plate, and described cleaning suction nozzle is arranged on supporting bracket.
Preferred further, described supporting bracket is also provided with guide rail, and described cleaning suction nozzle is arranged on guide rail.
Preferred further, described supporting bracket is also provided with driving chain, and described cleaning suction nozzle is arranged on driving chain.
Further preferred, described supporting bracket is also provided with guiding drag chain, and guide in drag chain and be provided with suction hose, described cleaning suction nozzle is connected with flexible pipe, guide drag chain for flexible pipe with clean suction nozzle reliable running orbit be provided.
Beneficial effect of the present invention is:
(1) this micro-filtration adopts square filtration sheet frame and eliminates central tube, directly utilizes the hollow space of sheet frame filter disc as collecting pipe, and than rotating disk design before, rectangular filter disc effective area is larger, more saves space, more compact structure; On the one hand, as taken same space, circular area only has square about 78.5%, on the other hand, the central tube that rotating disk is arranged reduces the filter area of rotating disk further, therefore, with regard to identical space, the effective filtration area of rotating disk reality is less than 70% of square plate frame, therefore the space availability ratio of this micro-filtration significantly improves;
(2) square plate frame filter disc of this micro-filtration is for maintaining static formula, does not need to rotate, and therefore filter disc is except highly limiting by transportation clearance, and length is no longer limited;
(3) the present invention adopts immersion to design, and when submergence, the service efficiency of filter area is the highest, and corresponding micro-filtration disposal ability is also higher;
(4) filter area of the unit of the present invention program is adopted can easily to reach 300 m
2above, unit filter area can even be produced more than 600 m
2, unit treating capacity is more than 200,000 m
3/ d(is by every m filter area treating capacity 15m per hour
3calculate) ultra-large type micro-filtration and have the development space continuing to expand unit scale.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention 1.
Wherein, 1-filter tank, 2-inlet channel, 3-outlet conduit, 4-quadratic filter framework, the square filter plate of 5-, 6-cloth mill weir, 7-effluent weir, 8-isolation dam.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described.
Embodiment 1
A kind of fixed head frame micro-filtration as shown in Figure 1, comprise filter tank 1, inlet channel 2, outlet conduit 3 and quadratic filter framework 4, cloth mill weir 6, effluent weir 7, isolation dam 8, the two ends that inlet channel 2 and outlet conduit 3 are separately positioned on filter tank 1 are outside, filter framework 4 and be arranged in filter tank 1, filter framework 4 to be made up of 9 quadratic filter plates 5, square filter plate 5 parallel interval arrangement, the outer layer covers of filter plate has fiber micro-filtration cloth, cloth mill weir 6 is provided with between inlet channel 2 and filtration framework 4, cloth mill weir 6 is positioned at inner adjacent inlet channel 2 side, filter tank 1, the inside, filter tank 1 of adjacent outlet conduit 3 side is provided with effluent weir 7, isolation dam 8 is also provided with between effluent weir 7 and filtration framework 4.
In use, sewage enters filter tank 1 through cloth mill weir 6, during filtration, filter plate 5 remains static, and sewage is entered by gravity current and filters framework 4, and filter cloth adopts total flood, sewage is by entering outside filter cloth, filtered fluid is collected by filter plate 5 intermediate space, and isolation dam 8 is separated filtering front and after filtering sewage, and gravity current discharges filter tank by effluent weir 6.After filtration, the suspension in water is retained down by filter cloth, and when suspension accumulates to a certain degree, being deteriorated by property of filter cloth, flow declines, and the liquid level in filter tank rises, and equipment enters filter cloth cleaning state.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and difference is, be provided with the slot that can match with filter plate 5 in the bottom in filter tank 1, filter plate 5 is fixed in filter tank by slot, this facilitate that replacing and the dismounting of filter plate, filter cloth.
Embodiment 3
The present embodiment is substantially the same manner as Example 2, and difference is, the present embodiment arranges supporting bracket in the gap between each piece of square filter plate 5, then on supporting bracket, add cleaning suction nozzle, thus filter cloth is cleaned immediately in scene of being convenient to, and does not need to pull down filter cloth.
Embodiment 4
The present embodiment is substantially the same manner as Example 3, difference is, the present embodiment arranges guide rail on supporting bracket, is added on guide rail by cleaning suction nozzle, realize the front and back of cleaning suction nozzle between filter plate gap by guide rail to run, thus reach the object of thoroughly cleaning comprehensively.
Embodiment 5
The present embodiment is substantially the same manner as Example 4, and difference is, the present embodiment arranges driving chain on supporting bracket, and the front and back that cleaning suction nozzle is realized between filter plate gap by driving chain are run, thus reaches the object of thoroughly cleaning comprehensively.
Embodiment 6
The present embodiment is substantially the same manner as Example 5, difference is, the present embodiment is except arranging except driving chain on supporting bracket, on supporting bracket, also arrange one guide drag chain, guide in drag chain and flexible pipe is set, cleaning suction nozzle is connected with flexible pipe, guide drag chain for flexible pipe with clean suction nozzle reliable running orbit is provided.
When equipment too much enters filter cloth cleaning state because suspension gathers, during cleaning, filter plate still remains static, cleaning suction nozzle between filter plate is by guide rail or dragged by chain thus come and go suction filter cloth surface along track, absorb the mud granule that filter cloth gathers, water in filter plate is outwards aspirated from inner simultaneously, plays cleaning action to filter cloth.
In addition, in other examples, also can install discharge pipeline at the bottom of filter tank, be conducive to collecting pool bottom sludge, the pond bottom sediments of mud decreases the sludge quantity on filter cloth, thus can extend filtration time, reduces cleaning.
The above; be only preferably specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and design thereof and replace or change, all should be encompassed in protection scope of the present invention.
Claims (4)
1. a fixed head frame micro-filtration, comprise filter tank (1), inlet channel (2), outlet conduit (3), it is characterized in that, also comprise quadratic filter framework (4), the two ends that described inlet and outlet pipe lines is arranged at filter tank (1) are respectively outside, described filtration framework (4) is arranged in filter tank, also comprise cloth mill weir (6) and effluent weir (7), described cloth mill weir (6) is arranged at the inlet channel (2) in filter tank and filters between framework (4), described effluent weir (7) is arranged at the outlet conduit (3) in filter tank and filters between framework (4), isolation dam (8) is provided with between described filtration framework (4) and effluent weir (7), described micro-filtration utilizes the hollow space of square filter plate as collecting pipe, also include cleaning suction nozzle, described cleaning suction nozzle is arranged between square filter plate (5), also include supporting bracket, described supporting bracket is fixed between square filter plate, described cleaning suction nozzle is arranged on supporting bracket, described supporting bracket is also provided with driving chain, described cleaning suction nozzle is arranged on driving chain, described supporting bracket is also provided with guiding drag chain, guide in drag chain and be provided with flexible pipe, described cleaning suction nozzle is connected with flexible pipe.
2. a kind of fixed head frame micro-filtration as claimed in claim 1, it is characterized in that, square filter plate is for maintaining static formula.
3. a kind of fixed head frame micro-filtration as claimed in claim 1, it is characterized in that, described filtration framework (4) comprises one or more square filter plate (5), described multiple square filter plate (5) parallel interval arrangement, the setting of described square filter plate (5) is enclosed with filter cloth.
4. a kind of fixed head frame micro-filtration as claimed in claim 3, it is characterized in that, the bottom of described filter tank (1) is also provided with slot, and described square filter plate is fixed in filter tank by slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210345750.3A CN102872632B (en) | 2012-09-18 | 2012-09-18 | Fixed plate frame microfiltration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210345750.3A CN102872632B (en) | 2012-09-18 | 2012-09-18 | Fixed plate frame microfiltration device |
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| Publication Number | Publication Date |
|---|---|
| CN102872632A CN102872632A (en) | 2013-01-16 |
| CN102872632B true CN102872632B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210345750.3A Active CN102872632B (en) | 2012-09-18 | 2012-09-18 | Fixed plate frame microfiltration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104941279B (en) * | 2015-06-01 | 2016-08-17 | 中国科学院南京地理与湖泊研究所 | A kind of bionic type cyanophyceae enrichment removing equipment and pulling flow type algae-removing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03296405A (en) * | 1990-04-16 | 1991-12-27 | Penta Ocean Constr Co Ltd | Water purification device |
| CN101549222A (en) * | 2009-04-10 | 2009-10-07 | 浙江德安新技术发展有限公司 | Filtering pool |
| CN102258903A (en) * | 2011-05-25 | 2011-11-30 | 云南大红山管道有限公司 | Filter device with inverted T-shaped filter screen for multiple filtrations |
| CN202822939U (en) * | 2012-09-18 | 2013-03-27 | 广州市地龙环保技术有限公司 | Fixing plate frame type micro filtering device |
-
2012
- 2012-09-18 CN CN201210345750.3A patent/CN102872632B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03296405A (en) * | 1990-04-16 | 1991-12-27 | Penta Ocean Constr Co Ltd | Water purification device |
| CN101549222A (en) * | 2009-04-10 | 2009-10-07 | 浙江德安新技术发展有限公司 | Filtering pool |
| CN102258903A (en) * | 2011-05-25 | 2011-11-30 | 云南大红山管道有限公司 | Filter device with inverted T-shaped filter screen for multiple filtrations |
| CN202822939U (en) * | 2012-09-18 | 2013-03-27 | 广州市地龙环保技术有限公司 | Fixing plate frame type micro filtering device |
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| CN102872632A (en) | 2013-01-16 |
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