CN1850663A - Method for realizing sewage deep purification treatment using suspension filtering film - Google Patents
Method for realizing sewage deep purification treatment using suspension filtering film Download PDFInfo
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- CN1850663A CN1850663A CN 200610012697 CN200610012697A CN1850663A CN 1850663 A CN1850663 A CN 1850663A CN 200610012697 CN200610012697 CN 200610012697 CN 200610012697 A CN200610012697 A CN 200610012697A CN 1850663 A CN1850663 A CN 1850663A
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Abstract
The invention relates to a method for implementing deep sewage purification with floating filter membrane, comprising the following steps of: 1. water quality regulating: guiding filtered sewage into a balancing pool, adding in pH value regulator and fully blending; 2. flocculating: dynamically mixing flocculant through injection inlet on a water guide pipe into the sewage and then feeding the sewage through pipe coil into a mixing flow stabilizing cylinder to complete flocculation reaction and flow stabilization; 3. fine filtering: guiding the sewage through lower-end water inlet into an automatic filter for primary filtering by the floating filter membrane formed of flocked filter cloth, and implementing fine filtration with ceramic grain layer; and the clear water is guided from the top end of the device into a clear water pool, the flocculate enters from a stain collection chamber through drain pipe into stain storage house, and then is fed from drain outlet into stain storage cylinder for further post-processing.
Description
Technical field
The present invention relates to treatment technology,, utilize suspension filtering film to realize the method that deep purification of waste water is handled specifically particularly to the improvement of deep purification of waste water method to urban industry and domestic water.
Technical background
In the treatment technology to urban industry and domestic water, the basic fundamental means can be divided into three kinds of physical method, biological method and chemical processes, with the pollutant component that removes in the water.Physical method mainly is to realize that by precipitation, filtration means circle, liquid separate, and biological method and chemical process then are to remove through fine filtering or adsorption filtration with the decomposition of the soluble impurity in the water or in conjunction with forming insoluble solid matter by microorganism or chemical reagent again.Existing treatment process to urban industry and domestic water is the various combination form of above technique means substantially.It can be divided into conventional processing and two stages of advanced treatment basically.Conventional processing realizes the various removals of shape residues admittedly in the sewage by means of physical means, by biological means or chemical reagent dissolved organic matter in the water and inorganics is dealt then, becomes the pinniform throw out and finishes advanced treatment through fine filtering.Technology crucial in the municipal sewage treatment is the advanced treatment stage,, utilizes modified separating out to be out of question with flocculation reagent realization impurity particularly for solubility inorganicss a large amount of in the process water.What big difficulty was arranged is that the sewage flocculation thing is realized high quality, high efficiency filtration treatment.Throw out is pinniform, is afraid of to bump, frangible, mechanical filters such as metal screen are difficult to extraction separation, the slight impact of diversion stream all can cause the fragmentation of throw out in the common filtration unit, form trickle hair shape, cause the obstruction of filtrate, cause washing repeatedly and influenced efficient, also cause the low of quality.
Summary of the invention
The objective of the invention is method, particularly improve, to improve to the eduction rate of soluble impurity in the sewage and to the rejection rate of throw out for the method in deep purifying stage to existing sewage disposal.To make redesign to the water quality regulation in traditional sewage disposal, flocculation treatment, the step in fine filtering stages at different levels for this reason.
The improved technical scheme of the present invention may further comprise the steps:
1. water quality regulation: the sewage that will finish after solid, liquid separates is introduced in the balancing tank, drops into the pH value conditioning agent, and fully stirs.
2. flocculation treatment: the sewage after the modifier treatment is drawn from balancing tank, flocculation agent is dynamically sneaked into, enter to mix in the current stabilization jar by serpentine tube again and finish flocculation reaction and current stabilization by the medicine-pouring port on the aqueduct.
3. fine filtering: the throw out sewage that contains behind the current stabilization is introduced from the lower end water-in of suspension filtering film automatic filtering unit, filtering layer is tackled formed suspension filtering film and is realized filter just in the middle of the flocking filter cloth, clear water after the smart filter of upper strata haydite realization leads to clean water basin from the top of this device, the overflow type collecting sewage room of throw out from automatic filtering unit enters dust storage cabin through blow-off pipe, is transported to filth storage can from dirt-discherging outlet again and does further aftertreatment.
, except adding the pH value conditioning agent sewage PH value is adjusted between the 6.5-8 in water quality regulation stage the technical solution adopted in the present invention, can also further creates better condition of water quality for next step flocculation treatment.Specifically the aqueduct that the sewage after the modifier treatment can be promoted from balancing tank is provided with magnetization device.Thereby change the fine structure of water clusters, produce polarization, help flocculation reaction carry out smoothly be shaped with the polymerization of throw out.
Be that by the medicine-pouring port on the aqueduct flocculation agent dynamically to be sneaked into be in order to form the work flow of a serialization, to increase work efficiency in flocculation treatment stage the technical solution used in the present invention.At the impurity component in the different sewage disposal objects, can there be different flocculation agent proportionings to add.Can control the dynamic add-on of flocculation agent proportioning by experiment with calculating according to the flow of lift pump decision accurately, realize the serialization operation.Serpentine tube and the setting that mixes the current stabilization jar are for flocculation reaction fully being carried out and is formed the impact of current stabilization minimizing to the pinniform throw out, prevent throw out and the fragmentation of the suspension filtering film that forms in filtration unit.
Fine filtering is a committed step of the present invention.Adopted special-purpose suspension filtering film automatic filtering unit in this step.The composite structure that the middle filtering layer of the flocking filter cloth that is adopted adds top haydite filtering layer helps forming suspension filtering film fast in the filter tank bottom when filter just.Suspension filtering film not only becomes the first filter layer on the practical significance, is not stopped up easily and cut effective middle filtering layer and the top filter bed of essence protected.Add the particular design on this apparatus structure, make the thickness of suspension filtering film can realize dynamic auto adjusting, this just makes the serialization operation that technical basic guarantee has been arranged, and has improved the quality of smart filter greatly and reduced operating cost.
In sum, positively effect of the present invention is the serialization operation that has realized sewage high-quality, efficient advanced treatment process, technical process is short, but sewage purification rate height, floor space are few, the less investment modular combination, easily realize automatization, easy and simple to handle, working cost is low.
Provide related system architecture of the present invention and isolated plant synoptic diagram below, further specify and the present invention seeks to how to realize.
Description of drawings
Fig. 1 is a process flow sheet involved in the present invention.
Fig. 2 is the structural representation of magnetization device.
The structural representation of Fig. 3 suspension filtering film automatic filtering unit.
Wherein Al is a balancing tank, and A2 is an agitator, and A3 is an aqueduct, and A4 is a magnetization device, and A5 is a permanent magnet.B1 is the flocculation agent storage tank, and B2 is the injecting mouth on the aqueduct, and B3 is a lift pump, and B4 is a serpentine tube, and B5 is the flocculation reaction jar, and B51 is the waviness stabilier.C1 is the suspension filtering film automatic filtering unit, and C2 is a filth storage can, and C3 is a slush pump, and C4 is an extruding-desiccation machine, and C5 is clean water basin.The 1st, tank body, 2 represent clear water storehouse, the 3rd, haydite, the 4th, the flocking filter cloth, 5 represent filtrate storehouse, the 7th, ring flange, the 8th, grid, 9 represent water storehouse, and 10 represent overflow type collecting sewage room, 11 represent garbage storehouse, and the 12nd, blow-off pipe, 13 represent suspension filtering film, the 14th, the dirt that dams, 15 represent the water-in of processed water, the water outlet of 16 representative filter back water, on behalf of back flushing, 17 ask water inlet, and 18 represent the blowdown discharge opening, and 19 represent the refluxing opening of backwashing water.20 represent the shell-like positioning devices, and 21 represent positioning through hole, and 22 represent permanent magnet.
Embodiment
In conjunction with the accompanying drawings as can be seen, method of the present invention has all been done critical improvement to each step in traditional deep purification of waste water treatment process, has designed special-purpose device.The aqueduct A3 that sewage after the water quality regulation promotes from balancing tank Al is provided with magnetization device A4.The concrete structure of this magnetization device A4 is to be enclosed in to promote an outer shell-like positioning devices 20 of aqueduct, and is uniform according to the regularly arranged positioning through hole 22 of spiral on shell-like positioning devices 20, and the permanent magnet A5 that homopolarity is pointed to is set in the through hole 22.The homopolarity permanent magnet that above-described permanent magnet specifically can adopt the high-quality NdFeB material to make is an one pole permanent magnet device, the spiral that positioning through hole 22 distributes is the 1-3 road, can obtain very high-intensity focusing helical magnetic field like this, make the variation of the sewage generation microcosmic electromagnetic structure in the magnetic field of flowing through.Water molecules polarized (ordered arrangement) and be with polarization lotus property, the molecular structure water that is changed has been created condition for effectively improving the flocculating rate reaction for step flocculation reaction fully down.
Flocculation treatment is that the sewage after the modifier treatment is drawn from balancing tank, by the injecting mouth B2 on the aqueduct A3 flocculation agent is dynamically sneaked into, and enters to mix among the current stabilization jar B5 by serpentine tube B4 again and finishes flocculation reaction and current stabilization.
According to sewage pollution factor characteristic, adopt and in sewage, to inject a kind of inorganic or organic polymer ionogen automatically continuously, i.e. flocculation agent, for example PAFS etc. should belong to known technology.Its ionization in sewage is dwindled the diffusion layer spatial volume of the electric field action scope of the colloidal particle in the sewage, thereby has been reduced the stability of sol system for the high valence ion of band " just " or " bearing " electricity.The high valence ion of positively charged also plays a part charge neutrality when colliding with electronegative colloidal solid in addition, and polymer electrolyte has higher molecular weight, can also play certain bridge formation throwing out.And with sewage in the reaction of some organic pollutants, they are separated out from sewage.The sewage of the flocculation agent through adding needs the process of a thorough mixing reaction, this process, and approximately 1-3 divides clock time.For realizing the ad hoc meter serpentine tube of this demand B4 and mix current stabilization jar B5 that this jar is to advance the upper outlet type retort under one, and the waviness stabilier B51 by helical arrangement is set in jar.Helical wave type stabilier makes current be converted into pedesis by eddy flow.Its effect: sewage and flocculation agent are fully stirred mix and stable, relax the destruction of current shockwave to pinniform throw out body, reduce filtering difficulty.
The key Design in fine filtering stage is special-purpose suspension filtering film automatic filtration jar C1.Said suspension filtering film automatic filtering unit C1 is a tower filter tank, water outlet 16 is located on the clear water Cang2Ding of tank body 1 upper end, water-in 15 is located at the bottom of tank body 1, the straight-through tank body that is arranged in, the water storehouse 9 of bottom, an overflow type collecting sewage room 10 is set in the middle of the water storehouse 9, at water storehouse 9 bottom outer sides ring-type garbage storehouse 11 is set, the bottom of ring-type garbage storehouse 11 is provided with blowdown discharge opening 18, collecting sewage room 10 is communicated with garbage storehouse 11 by blow-off pipe 12 and is positioned on the tank body 1, tank body 1) on the upper side portion be the filtrate storehouse 5 that is filled with synthetic tuft cloth and the two-layer filtrate of haydite, recoil water pipe 6 is connected on filtrate storehouse 5 respectively, the upper end of clear water storehouse 2 and garbage storehouse 11, the recoil water return outlet is located at water storehouse 9 tops, is communicated to balancing tank A1.
Its function is to utilize the drainage characteristic of suspended substance, blocks the throw out with better drainability with flocking filter cloth 4, and current form suspension filtering film 13 from top to bottom naturally and filter.Solved since throw out be pinniform, frangible, be afraid of to bump metal screen and other mechanical filters are difficult to extract, be difficult to realize to wad a quilt with cotton, the industry difficult problem of water sepn.Filtrate storehouse 5 in the suspension filtering film automatic filtering unit C1 structure is haydite 3 filter material layers at the middle and upper levels, its thickness is 300-500mm, ceramic grain filter by the 0.5-2mm diameter is formed, and lower floor is made up of 10-20 order flocking filter cloth 4, and the dynamic span of control of suspension filtering film 13 thickness is 200mm-500mm.When sewage that flocculation is sprouted wings was in tank base flows into the reverse taper jar, the tank body area maximum of cutting made upward water flow speed the slowest herein, promptly further helps flocculation reaction.On the other hand, the throw out rising is blocked through last filtering layer and is formed the throw out filter membrane, when filter membrane thickness reaches 400-500mm, is provided with an overflow type collecting sewage room 10 in the middle of the tank body.Blocked up suspended substance because of hydraulic pressure with self than the great garbage storehouse 11 that sinks to automatically, form filtering layer and upgrade.Twice filtration through filter bed of essence can high-quality realization task of the present invention.
Be transported to filth storage can C2 and do the mud of separating out that further aftertreatment is included among the filth storage can C2 after the precipitate and separate and discharge at the bottom of the jar, be processed into fuel dope in the water extracter among extrusion machine C4, backwater is transported to balancing tank A1.
The whole handling process weak point of native system, sewage purification rate height, few, the small investment of floor space. Can be real Existing modular combination and automation control have the characteristics such as easy and simple to handle, that operating cost is low.
Claims (8)
1, utilize suspension filtering film to realize the method that deep purification of waste water is handled, comprise in this method that the sewage that will finish through physical method after solid, liquid separates carries out water quality regulation, flocculation treatment, fine filtering step, is characterized in that:
1. water quality regulation: the sewage that will finish after solid, liquid separates is introduced in the balancing tank (A1), and drop into the pH value conditioning agent, and fully stir,
2. flocculation treatment: the sewage after the modifier treatment is drawn from balancing tank (A1), flocculation agent is dynamically sneaked into, enter to mix in the current stabilization jar (B5) by serpentine tube (B4) again and finish flocculation reaction and current stabilization by the injecting mouth (B2) on the aqueduct (A3),
3. fine filtering: the throw out sewage that contains behind the current stabilization was moved the lower end water-in (15) that Lv Installed puts (C1) from suspension filtering film Zi and introduces, filtering layer is tackled formed suspension filtering film and is realized filter just in the middle of flocking filter cloth (4), upper strata haydite (3) realizes that the smart clear water of filtering leads to clean water basin (C5) from the top of this device, throw out moved the overflow type collecting sewage room (10) that Lv Installed puts (C1) from Zi and entered dust storage cabin (11) through blow-off pipe (12), was transported to filth storage can (C2) from blowdown discharge opening (18) again and did further aftertreatment.
2, realize the method that deep purification of waste water is handled according to the said suspension filtering film that utilizes of claim 1, it is characterized in that the aqueduct (A3) that the sewage after the water quality regulation promotes from balancing tank (A1) is provided with magnetization device (A4).
3, realize the method that deep purification of waste water is handled according to the said suspension filtering film that utilizes of claim 2, it is characterized in that said magnetization device (A4) is to be enclosed in to promote the outer shell-like positioning devices (20) of aqueduct, go up uniform positioning through hole (22) at shell-like positioning devices (20), the permanent magnet (A5) that homopolarity is pointed to is set in the through hole (22) according to helical arrangement.
4, realize the method that deep purification of waste water is handled according to the said suspension filtering film that utilizes of claim 3, it is characterized in that the spiral that the positioning through hole (22) on the shell-like positioning devices (20) in the said magnetization device (A4) distributes is the 1-3 road, the homopolarity permanent magnet (A5) that is provided with in the through hole (22) is an one pole permanent magnet device.
5, realize the method that deep purification of waste water is handled according to the said suspension filtering film that utilizes of claim 1, it is characterized in that said mixing current stabilization jar (B5) is to advance the upper outlet type retort under one, the waviness stabilier (B51) by helical arrangement is set in jar.
6, realize the method that deep purification of waste water is handled according to the said suspension filtering film that utilizes of claim 1, it is characterized in that moving Lv Installed by said suspension filtering film Zi, to put (C1) be a tower filter tank, water outlet (16) is located on the top, clear water storehouse (2) of tank body (1) upper end, water-in (15) is located at the bottom of tank body (1), the straight-through tank body that is arranged in, the water storehouse of bottom (9), an overflow type collecting sewage room (10) is set in the middle of the water storehouse (9), outer side is provided with ring-type garbage storehouse (11) in water storehouse (9) bottom, the bottom of ring-type garbage storehouse (11) is provided with blowdown discharge opening (18), collecting sewage room (10) is communicated with garbage storehouse (11) by blow-off pipe (12) and is positioned on the tank body (1), in the tank body (1) on the upper side portion be the filtrate storehouse (5) that is filled with synthetic tuft cloth and the two-layer filtrate of haydite, recoil water pipe (6) is connected on filtrate storehouse (5) respectively, the upper end of clear water storehouse (2) and garbage storehouse (11), the recoil water return outlet is located at water storehouse (9) top, is communicated to balancing tank (A1).
7, realize the method that deep purification of waste water is handled according to the said suspension filtering film that utilizes of claim 6, it is characterized in that it is haydite (3) filter material layer at the middle and upper levels that said suspension filtering film Zi moved the filtrate storehouse (5) that Lv Installed puts in (C1) structure, its thickness is 300-500mm, ceramic grain filter by the 0.5-2mm diameter is formed, lower floor is made up of 10-20 order flocking filter cloth (4), and the dynamic span of control of suspension filtering film (13) thickness is 200mm-500mm.
8, realize the method that deep purification of waste water is handled according to the said suspension filtering film that utilizes of claim 1, it is characterized in that being transported to filth storage can (C2) and do further aftertreatment and be included in the filth storage can (C2) mud of separating out after the precipitate and separate and discharge, dewater extrusion machine (C4) and make fuel dope at the bottom of jar, backwater is transported to balancing tank (A1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610012697XA CN1850663B (en) | 2006-05-15 | 2006-05-15 | Method for realizing sewage deep purification treatment using suspension filtering film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610012697XA CN1850663B (en) | 2006-05-15 | 2006-05-15 | Method for realizing sewage deep purification treatment using suspension filtering film |
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| CN1850663A true CN1850663A (en) | 2006-10-25 |
| CN1850663B CN1850663B (en) | 2011-03-16 |
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| CN200610012697XA Expired - Fee Related CN1850663B (en) | 2006-05-15 | 2006-05-15 | Method for realizing sewage deep purification treatment using suspension filtering film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350124A (en) * | 2011-09-24 | 2012-02-15 | 马钢(集团)控股有限公司 | Upstream type backwater processing device for tailing pond |
| CN106517470A (en) * | 2016-12-26 | 2017-03-22 | 兰州交通大学 | Hydraulic double-suspension-layer fluidized bed for water treatment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077552C (en) * | 1997-12-11 | 2002-01-09 | 尤俊洪 | Method and equipment for quickly treating waste water for paper mill |
| CN1168676C (en) * | 2001-01-18 | 2004-09-29 | 东华大学 | Contaminated-fluid treating filter method and equipment |
| CN1339409A (en) * | 2001-08-22 | 2002-03-13 | 盘锦市华意环境工程有限公司 | Condensed oil waste water deep treating and reusing technology |
-
2006
- 2006-05-15 CN CN200610012697XA patent/CN1850663B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350124A (en) * | 2011-09-24 | 2012-02-15 | 马钢(集团)控股有限公司 | Upstream type backwater processing device for tailing pond |
| CN102350124B (en) * | 2011-09-24 | 2013-07-24 | 马钢(集团)控股有限公司 | Upstream type backwater processing device for tailing pond |
| CN106517470A (en) * | 2016-12-26 | 2017-03-22 | 兰州交通大学 | Hydraulic double-suspension-layer fluidized bed for water treatment |
| CN106517470B (en) * | 2016-12-26 | 2023-09-22 | 兰州交通大学 | Hydraulic double-suspension-layer fluidized bed for water treatment |
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| Publication number | Publication date |
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| CN1850663B (en) | 2011-03-16 |
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Granted publication date: 20110316 |