CN101913685A - Novel magnetic separation sewage treatment unit - Google Patents

Novel magnetic separation sewage treatment unit Download PDF

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Publication number
CN101913685A
CN101913685A CN 201010251476 CN201010251476A CN101913685A CN 101913685 A CN101913685 A CN 101913685A CN 201010251476 CN201010251476 CN 201010251476 CN 201010251476 A CN201010251476 A CN 201010251476A CN 101913685 A CN101913685 A CN 101913685A
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China
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magnetic
tank
pond
sewage treatment
treatment unit
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CN 201010251476
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Chinese (zh)
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CN101913685B (en
Inventor
刘兵
叶瑞
杜海明
吴敬东
王兆连
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Anhui Lake Environment Technology Ltd Corp
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Anhui Lake Environment Technology Ltd Corp
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Abstract

The invention discloses a novel magnetic separation sewage treatment unit, which comprises a tank, wherein a water inlet and a water outlet are arranged at the two ends of the tank; the tank is formed by jointing tank channels; the tank is divided into a regulating and stirring tank, a partition board flocculation tank, a magnetic separation settling tank and a smoothing settling tank, wherein the regulating and stirring tank is provided with a medicament feeding system and a stirrer; an inclined plate is arranged on the bottom of the partition board flocculation tank; a funnel is arranged below the magnetic separation settling tank; and a round magnetic cylinder and a rectangular magnetic cylinder are arranged above the funnel. The device can solve the problems of high investment and low efficiency of a single water treatment technique of sewage treatment plants, can remove impurities from sewage quickly and ensures stable effluent and simple hydraulic conditions.

Description

A kind of novel magnetic separation sewage treatment unit
Affiliated technical field
The invention belongs to waste disposal plant, be specifically related to a kind of novel magnetic separation sewage treatment unit, be used for town sewage and handle or sewage front end and subsequent disposal.
Background technology
Along with rapid economy development in recent years; the water resources crisis that water environment pollution causes has become the important restraining factors of Chinese society, Economic development; after particularly " 12 " planning had had higher explicitly calling for to the sewage effluents index, various novel sewage disposal technologies and equipment were successively in development and utilization.
Biotechnology is the gordian technique that solves water environmental problems.In developed country, activated sludge process is quite ripe, extensively apply in the processing of city and industrial sewage, but the handling problems of the excess sludge that produces has become the key factor of its development of restriction.China city sewage and sludge handle and disposal aspect starting late, so we more need to study excess sludge production few advanced sewage disposal new technology and technology, could satisfy domestic sewage disposal demand in conjunction with biotechnology.Sewage disposal technology can be divided into the physics method by its action principle, chemical method, thing chemistry, biological process four big classes at present.
The physics method does not change its chemical property by the undissolved pollution substance that is suspension in physical action separation, the recovery sewage in treating processes.Normal adopt gravitational separation process, centrifugal separation, filtration method and evaporation, crystallization process etc. are arranged, shortcoming is to handle dissolubility pollutant matter.
Chemical method adds certain chemical substance in sewage, utilize chemical reaction to separate, reclaim some pollution substance in the sewage, or make it be converted into harmless material.Method commonly used has chemical precipitation method, Coagulation Method, neutralisation, hydrogen reduction (comprise electrification separate) method etc.
Physico-chemical process utilization extraction, absorption, ion-exchange, membrane separation technique, gas such as propose at operating process, and the method for handling waste water can be described as physico-chemical processes.Membrane technique development in recent years is rapid, but it is in working cost, and is still very high on the cost of investment, has wide gap with low traditional coagulating sedimentation technology, filtering technique of investing.
The biological treatment of biological process sewage utilizes the microorganism metabolic function exactly, makes to be dissolving and the organic pollutant of colloidal state in the sewage and to be degraded and to be converted into harmless material, and sewage is purified.It can be divided into two big classes according to the microbe species of participation effect and oxygen supply situation again is that aerobe is handled and anaerobic biological treatment.But there is excess sludge in biological process, microorganism growth characteristic (biomass and activity), the restriction of problem such as mass transfer condition (supply of oxygen) and reactor types and condition of technology and economy.
China's town sewage plant adopts activated sludge process mostly at present, technical process is thickness grid, settling pit, bio-reactor, second pond, be subjected to influencing effluent quality and can not having satisfied required standard of water quality and quantity etc., in order to reach " urban wastewater treatment firm pollutant emission standard " one-level A standard, must carry out transformation and upgrade to existing utility.
Summary of the invention
At above problem, the object of the present invention is to provide a kind of novel cities and towns magnetic separation sewage treatment unit, this device can solve the problem of Sewage Plant water technology poor efficiency with high investment and single, and it can remove pollution substance in the sewage fast, stable water outlet, hydraulics requires simple.
The technical scheme that the present invention is taked for its purpose of realization: a kind of novel magnetic separation sewage treatment unit, comprise the groove pond, the two ends in groove pond is established water-in and water outlet, described groove pond is spliced by conduit, described groove pond branch is set as regulates agitated pool, dividing plate flocculation basin, magnetic precipitation separation pond and precipitation horizontal flow basin, establish medicine system and agitator on the described adjusting agitated pool, swash plate is established in the bottom of described dividing plate flocculation basin, described magnetic precipitation separation pond divides into funnel, establish circular magnetic post above funnel, a side of described circular magnetic post also can be established rectangle magnetic post.
The present invention is by adding heavy magnetic kind in the sewage that enters the groove pond, combine with the flco small-particle improve its proportion and under the effect in magnetic field accelerate precipitation, shorten sedimentation time greatly, reach the purpose that purifies water.
Principle of work of the present invention: sewage pumps into the adjusting agitated pool after via pre-treatments such as fine facks, behind the sewage and the abundant mixing of magnetic flocculant through stirring, the dividing plate flocculation basin form hydraulics under produce the flco that has magnetic, flco arrives behind the magnetic precipitation separation pond along the magnetic line of force rapid precipitation, flow out from the funnel bottom pipeline, water outlet is discharged via horizontal sedimentation tank.
Beneficial effect of the present invention: can directly apply to town sewage and handle or sewage front end and subsequent disposal.This device has successfully carried out pilot scale in Sewage Plant, obtained good effect, effluent quality is better after testing, can effectively reduce indexs such as total P, SS, COD, turbidity, wherein the content of total P is lower than Sewage Plant discharging one-level A standard especially, has remedied the low shortcoming of the total P processing efficiency of Sewage Plant greatly, water outlet can be directly used in middle water reuse, treegarden irrigation etc. be the more important thing is after cutting dirty dephosphorization greatly to have alleviated the follow-up equipment operating pressure, optimize water quality; Solved the many problems of excess sludge of town sewage plant, and the recyclable utilization of contained magnetic in a small amount of mud of being discharged, processing cost reduced.
Description of drawings
The present invention is further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is a schematic cross-section of the present invention;
Fig. 2 is a floor map of the present invention;
Fig. 3 looks synoptic diagram for circular magnetic post master of the present invention;
Fig. 4 is a circular magnetic post schematic top plan view of the present invention;
Fig. 5 looks synoptic diagram for rectangle magnetic post master of the present invention;
Fig. 6 is a rectangle magnetic post schematic top plan view of the present invention.
1, first conduit among the figure, 2, second conduit, the 3, the 3rd conduit, 4, the 4th conduit, the 5, the 5th conduit, 6, swash plate, 7, regulate the agitated pool baffle plate, 8, dissolving vessel, 9, agitator, 10, circular magnetic post, 10-1, supporting disk, 10-2, circular magnetic post adjustable plate, 10-3, circular magnetic tie, 11, rectangle magnetic post, 11-1 rectangle back up pad, 11-2, rectangle magnetic post adjustable plate, 11-3, rectangle magnetic tie, 13, funnel, 14, baffle plate, 15, water-in, 16, water outlet, 17, magnetic precipitation separation pond baffle plate, 18, magnetic stripe.
Embodiment
As Fig. 1,2, the present invention includes the groove pond, the two ends in groove pond is established water-in 15 and water outlet 16, described groove pond is spliced by conduit, be spliced length overall 15.5m, wide 0.45m, dark 0.7m in this example by first conduit 1, second conduit 2, the 3rd conduit 3, the 4th conduit 4 and 5 five conduits of the 5th conduit.Groove pond branch is set as regulates agitated pool, dividing plate flocculation basin, magnetic precipitation separation pond and precipitation horizontal flow basin.First conduit 1 is established medicine system and agitator 9 for regulating agitated pool on it.Water-in 15 is established in the termination.Medicine system places first conduit 1 to regulate the agitated pool side, comprises dissolving vessel 8, valve and support, establishes agitator in the dissolving vessel 8.Second conduit 2 and the 3rd conduit 3 constitute the dividing plate flocculation basin, and be wherein baffled.Establish five baffle plates altogether, baffle plate is staggered, and that the spacing between the baffle plate is is gradually wide, the plate body is gradually narrow.Swash plate 6 is established in the bottom of dividing plate flocculation basin, and swash plate 6 tilts to the funnel direction, and swash plate 6 ends are positioned at funnel 13 ingress.The 4th conduit 4 is magnetic precipitation separation pond, divides into funnel 13, establishes circular magnetic post 10 above funnel 13.Also can establish rectangle magnetic post 11 at circular magnetic post 10 rear sides.The rear portion, groove pond in magnetic precipitation separation pond is baffled.The 5th conduit 5 is the precipitation horizontal flow basin, and the termination sets out the mouth of a river 16.
Fig. 3,4 looks and schematic top plan view for circular magnetic post master.Circular magnetic post 10 is combined by eight magnetic stripes 18.Magnetic stripe 18 adopts common magnet or ferrite magnet.Magnetic stripe supports with upper and lower two supporting disk 10-1, and is fixed on the supporting disk with circular magnetic post adjustable plate 10-2 and circular magnetic tie 10-3.
Fig. 5,6 rectangle magnetic post masters look and schematic top plan view.Rectangle magnetic post is established two groups, establishes five magnetic stripes that are parallel to each other for every group.Magnetic stripe adopts common magnet or ferrite magnetic stripe.Magnetic stripe supports with upper and lower two rectangle back up pad 11-1, and is fixed on the supporting disk with rectangle magnetic post adjustable plate 11-2 and rectangle magnetic tie 11-3.
Sewage enters the adjusting agitated pool by water-in 15, regulates agitated pool and is divided into the adjusting subregion and stirs subregion, regulates and divides head of district 1.7m.Regulate the rear portion that agitated pool baffle plate 7 is arranged on this pond, high 0.35m.Stir and divide head of district 0.9m, because the baffle effect of regulating agitated pool baffle plate 7 is arranged, stablized flow velocity, avoid current to stirring the destruction floc particle that impacts that flocculates, sewage enters the stirring subregion after overflowing and overregulating agitated pool baffle plate 7, then under the stirring of agitator 9 with the magnetic flocculant uniform mixing that from dissolving vessel 8, adds, the proportioning of magnetic kind is by the effect decision of magnetic separate and subside, agitator 9 is regulated rotating speed by variator, the degree decision rotating speed size of flow rate of water flow and sewage flocculation and the dosage of flocculation agent; The conduit 2 backs formation waterpower under the head resistance of baffle plate 14 that enters sewage stirs and produces flco gradually, the dividing plate flocculation basin is provided with the plate washer that a plurality of width differ, form four waterpower flocculations and divide the pond, each flocculation divides the long 1.95m in pond, form good flco in order to reach optimum hydraulics, baffle design becomes the characteristics that spacing is gradually wide, the plate body is gradually narrow, and sedimentary a small amount of flco will move to funnel 13 in the mortise pond 4 at action of gravity lower edge swash plate 6; Sewage enters magnetic precipitation separation pond after flocculating through leading portion, under the effect in magnetic field, be precipitated to sludge funnel when flco circular magnetic post 10 of process and rectangle magnetic post 11 rapidly, discharge through wash water valve, described magnetic post is by eight 50*50*25mm ferrite combination, totally two groups on rectangle magnetic post, spacing 0.2m, five every group, the vertical magnetic line of force that they produce can make magnetic flco rapid precipitation.Funnel 13 length overall 3.0m, bottom width 1.0m, dark 0.5m, slope and high 0.4m baffle plate 17 are established in case flco flows out in conduit 4 bottoms; The sewage of removing behind the flco enters precipitation horizontal flow basin groove pond, and the colorimetry-turbidity water quality that diminishes is clearly better, and clear water flows out from water outlet 16, the long 4.0m of horizontal sedimentation tank, and outlet is established the high baffle plate of 0.35m and is regulated and control flow rate of water flow.
Efficient economy of the present invention has following characteristics:
1) compare with physical separation method such as traditional precipitation, filtrations, the magnetic precipitation technology has that processing speed is fast, efficient is high, the impact load advantages of higher, and all flow processs are by only needing about ten minutes.
2) not temperature influence, floor space is little, energy consumption is low,, do not need complicated operations management.
3) non-secondary pollution helps the recycle of water.
4) sludge volume is less, the low easily dehydration of water ratio, and the recyclable utilization of magneticsubstance reduces cost.
5) technology is flexible, can change flocculation agent kind, prescription and magnetic separate mode according to concrete process object.
Above-mentioned only is embodiments of the invention, and to one skilled in the art, the present invention has multiple change and variation.Allly within invention thought of the present invention and principle, make any modification, be equal to replacement, improve etc., all should be included within protection scope of the present invention.

Claims (6)

1. novel magnetic separation sewage treatment unit, comprise the groove pond, the two ends in groove pond is established water-in and water outlet, described groove pond is spliced by conduit, it is characterized in that the pond segmentation of described groove is set as adjusting agitated pool, dividing plate flocculation basin, magnetic precipitation separation pond and horizontal sedimentation tank, establish medicine system and agitator on the described adjusting agitated pool, swash plate is established in the bottom of described dividing plate flocculation basin, described magnetic precipitation separation pond divides into funnel, establishes circular magnetic post above funnel.
2. novel magnetic separation sewage treatment unit according to claim 1 is characterized in that a side of described circular magnetic post also can be established rectangle magnetic post.
3. novel magnetic separation sewage treatment unit according to claim 1 and 2 is characterized in that baffled 4-8 piece in the described dividing plate flocculation basin, and baffle plate is staggered, and that the spacing between the baffle plate is is gradually wide, the plate body is gradually narrow; Described swash plate tilts to the funnel direction, and the swash plate end is positioned at the funnel ingress; The conduit bottom in described magnetic precipitation separation pond tilts to the funnel direction.
4. novel magnetic separation sewage treatment unit according to claim 1 and 2 is characterized in that described circular magnetic post is combined by 6-10 root magnetic stripe, and described rectangle magnetic post is established two groups, establishes the magnetic stripe that the 4-6 root is parallel to each other for every group.
5. novel magnetic separation sewage treatment unit according to claim 4 is characterized in that described magnetic stripe is the ferrite magnetic stripe.
6. novel magnetic separation sewage treatment unit according to claim 1 is characterized in that the conduit rear portion in described magnetic precipitation separation pond is baffled.
CN2010102514764A 2010-08-05 2010-08-05 Novel magnetic separation sewage treatment unit Active CN101913685B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102603108A (en) * 2012-03-27 2012-07-25 郑州爱沃特环保科技有限公司 Circulating water treatment system of wet-type spray booth and treatment method
CN106116051A (en) * 2016-08-11 2016-11-16 安徽海沃特水务股份有限公司 A kind of sewage disposal system
CN106283534A (en) * 2015-05-27 2017-01-04 青岛海尔洗衣机有限公司 A kind of flocculation washing machine and control method thereof
CN107399885A (en) * 2017-08-24 2017-11-28 天津市水利科学研究院 A kind of cleaning system and its method with the coagulation cyclone filter backwashed
CN108178425A (en) * 2017-12-18 2018-06-19 张馨予 A kind of domestic sewage processing system and its processing method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1884119A (en) * 2006-06-28 2006-12-27 苏州科技学院 Process for treating high-concentration dyeing waste water
US20080073278A1 (en) * 2006-09-27 2008-03-27 Cort Steven L Magnetic Separation and Seeding to Improve Ballasted Clarification of Water
CN201276447Y (en) * 2008-09-23 2009-07-22 王斌 High turbidity strong magnetism water purifier
CN201762157U (en) * 2010-08-05 2011-03-16 安徽雷克环保科技有限公司 Novel sewage treatment device with magnetic separation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1884119A (en) * 2006-06-28 2006-12-27 苏州科技学院 Process for treating high-concentration dyeing waste water
US20080073278A1 (en) * 2006-09-27 2008-03-27 Cort Steven L Magnetic Separation and Seeding to Improve Ballasted Clarification of Water
CN201276447Y (en) * 2008-09-23 2009-07-22 王斌 High turbidity strong magnetism water purifier
CN201762157U (en) * 2010-08-05 2011-03-16 安徽雷克环保科技有限公司 Novel sewage treatment device with magnetic separation

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102603108A (en) * 2012-03-27 2012-07-25 郑州爱沃特环保科技有限公司 Circulating water treatment system of wet-type spray booth and treatment method
CN102603108B (en) * 2012-03-27 2014-05-21 郑州爱沃特环保科技有限公司 Circulating water treatment system of wet-type spray booth and treatment method
CN106283534A (en) * 2015-05-27 2017-01-04 青岛海尔洗衣机有限公司 A kind of flocculation washing machine and control method thereof
CN106116051A (en) * 2016-08-11 2016-11-16 安徽海沃特水务股份有限公司 A kind of sewage disposal system
CN107399885A (en) * 2017-08-24 2017-11-28 天津市水利科学研究院 A kind of cleaning system and its method with the coagulation cyclone filter backwashed
CN107399885B (en) * 2017-08-24 2023-12-08 天津市水利科学研究院 Purification system with backwash coagulation cyclone filtration and method thereof
CN108178425A (en) * 2017-12-18 2018-06-19 张馨予 A kind of domestic sewage processing system and its processing method
CN108178425B (en) * 2017-12-18 2019-01-08 张馨予 A kind of domestic sewage processing system and its processing method

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