CN101618287A - Aluminium alloy anodized waste water belt type press filteration system - Google Patents
Aluminium alloy anodized waste water belt type press filteration system Download PDFInfo
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- CN101618287A CN101618287A CN200910041506A CN200910041506A CN101618287A CN 101618287 A CN101618287 A CN 101618287A CN 200910041506 A CN200910041506 A CN 200910041506A CN 200910041506 A CN200910041506 A CN 200910041506A CN 101618287 A CN101618287 A CN 101618287A
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Abstract
The invention relates to an aluminium alloy anodized waste water belt type press filteration system. The system mainly comprises a sewage sedimentation tank, a flocculant stirring tank, a coagulation reactor and a belt type pressure filter, wherein the sewage sedimentation tank and the flocculant stirring tank are respectively connected with the coagulation reactor by a pipeline; the coagulation reactor guides the mixed liquid therein into a blanking hopper positioned on the belt type pressure filter by the pipeline. Compared with the prior art, the aluminium alloy anodized waste water belt type press filteration system has the following advantages of continuous production, stable performance, low maintenance rate, strong corrosion resistance, low energy and drug consumption, large treatment capacity, low water content of filter cakes, easy operation, easy maintenance and easy cleaning and the like. The aluminium alloy anodized waste water belt type press filteration system really solves the actual problems that the dehydration treatment of industrial acid-base neutralization waste residue has high energy consumption and low slag-pressing efficiency, thus being ideal equipment for saving energy, protecting environment, treating sewage, improving production efficiency and reducing labor intensity.
Description
Technical field:
The present invention relates to technical field of sewage, particularly a kind of aluminium alloy anodized waste water belt type press filteration system.
Background technology:
The aluminium industry need the sewage of discharging every day could discharge after treatment, and most of enterprise all adopts traditional oil pressure chamber-type press filter to dispose of sewage by national requirements for environmental protection at present.This kind oil pressure chamber-type press filter power is very big, and separate unit reaches 20kw, per hour disposes of sewage just 4 cubic metres.It has consumed a large amount of energy consumptions, and treatment effeciency is very low but.At the common problem of preceding this series products appearance and the characteristics and the requirement of dewatering in conjunction with domestic acid-base neutralization waste residue, designing a kind of system that handles at aluminium alloy anodized waste water specially is that the aluminium industry is compeled problem to be solved.
Summary of the invention:
The objective of the invention is to overcome the defective of prior art, the aluminium alloy anodized waste water belt type press filteration system that provide a kind of high efficiency, low energy consumption, can work continuously.
For achieving the above object, technical scheme provided by the invention is: aluminium alloy anodized waste water belt type press filteration system, this system mainly is made up of detention tank, flocculant stirring pool, coagulation reactor, belt filter press, detention tank is connected with coagulation reactor by pipeline respectively with the flocculant stirring pool, and coagulation reactor imports the mixed liquor in it material-falling hopper that is arranged on the belt filter press by pipeline.
Be provided with gravity thickening strainer in the described belt filter press, by the pressure dehydration strainer group that first pressure dehydration strainer and second pressure dehydration strainer constitute, material-falling hopper is positioned at the top of gravity thickening strainer; The leading portion of the leading portion of first pressure dehydration strainer and second pressure dehydration strainer is positioned at the below and the common dehydration technology section that forms of gravity thickening strainer from top to bottom successively; Form wedge shape space between the stage casing of the stage casing of first pressure dehydration strainer and second pressure dehydration strainer, this wedge shape space is a precompressed zone; The back segment of the back segment of first pressure dehydration strainer and second pressure dehydration strainer is overlapping on the roller group of a plurality of highlands dislocation array layout, finally separately forms the waste residue discharging opening at rear.
The switched in opposite of the rotation direction of described gravity thickening strainer and first pressure dehydration strainer, and identical with the direction of second pressure dehydration strainer.
The rotation direction of the rotation direction of described gravity thickening strainer and second pressure dehydration strainer is and clockwise rotates, and the rotation direction of second pressure dehydration strainer is for rotating counterclockwise.
Operation principle of the present invention is, after passing through concentrated sewage and certain density flocculant fully mixing in coagulator, small solid particle coacervation in the sewage becomes the bigger cotton-shaped agglomerate of volume, isolate Free water simultaneously, sewage after the flocculation is transported on the strainer of gravity thickening, Free water is separated under the effect of gravity, form the not sewage of flow regime, be clamped in then up and down between two guipures, through the wedge shape precompressed zone, the extruding force that low-pressure area and higher-pressure region are ascending, under the shearing force effect, progressively push sewage, to reach maximum water, moisture from, form filter cake at last and discharge.
The present invention has following advantage compared with prior art: it has continuous production, stable performance, maintenance rate is low, corrosion resistance is strong, energy consumption medicine consumption is low, treating capacity is big, filter cake moisture content is low, easy to operate, easy care, advantage such as easy to clean.It is really to have solved industrial acid-base neutralization waste residue to carry out energy consumption height, the low practical problem of pressure slag efficient that processed exists, and therefore, it is energy-conserving and environment-protective, and sewage disposal is enhanced productivity, and reduces the ideal equipment of labour intensity.
Description of drawings:
Fig. 1 is a systematic schematic diagram of the present invention.
Fig. 2 is the structural representation of the filter press of Fig. 1.
The specific embodiment:
The present invention is described further (referring to Fig. 1-shown in Figure 2) below in conjunction with an embodiment:
This system mainly is made up of detention tank 1, flocculant stirring pool 2, coagulation reactor 3, belt filter press 4.Native system mainly is divided into following several sections according to the processing procedure of sewage:
1, Chemical Pretreatment dewatering period:
In order to improve the dehydration property of sewage, the character of improvement filter cake, the permeability of increase material needs carry out chemical treatment to sewage, at first sewage is precipitated in detention tank 1, and in flocculant stirring pool 2, add flocculant, and detention tank 1 is connected with coagulation reactor 3 by pipeline respectively again with flocculant stirring pool 2, and coagulation reactor 3 can reach the effect of chemical dosing flocculation, this designs, and not only flocculating effect is good, also can save a large amount of medicaments, operating cost is low, and economic benefit is fairly obvious.Flocculant in the present embodiment is polyacrylamide (sun or anionic, molecular weight 1000～1,500 ten thousand), and the dilution ratio of flocculant and clear water is 0.5～1 ‰.Notice that flocculant will slowly add in the clear water, stir on one side, drop on one side, if form the agglomerate colloid, then also need slow down the speed of adding.
2. dehydration technology section:
Coagulation reactor 3 imports the mixed liquor in it material-falling hopper 5 that is arranged on the belt filter press 4 by pipeline.Sewage is evenly sent into the gravity thickening strainer 41 that is positioned at its below through material-falling hopper 5, accept by first pressure dehydration strainer 42 again, sewage continues operation forward with first pressure dehydration strainer 42, free state water flows into water receiving tank by strainer under the deadweight effect, dehydration technology also can be described as the height enriching section, main effect is the Free water of sloughing in the sewage, and the flowability of sewage is reduced, and prepares for further pushing.
3. tapered region precompressed dewatering period
Drainage flow behind the dehydration technology is almost completely lost, operation forward along with sewage, the wedge shape space 44 that forms between the stage casing 432 of the stage casing 422 of first pressure dehydration strainer and second pressure dehydration strainer, two strainer spacings reduce gradually, and material (losing the sewage of Free water) begins to be subjected to light pressure, and along with the operation of two strainers, pressure increases gradually, the effect of tapered region is to prolong the gravity dehydration time, increases the extrusion stability of floc sedimentation, prepares for entering the pressure area.
4. compression roller high pressure dewatering period
Material breaks away from tapered region and just enters the pressure area, in this section, the back segment 433 of the back segment 423 of first pressure dehydration strainer and second pressure dehydration strainer is overlapping on the roller group of a plurality of highlands dislocation array layout, material is squeezed in the crack of two strainers, increase along of the minimizing of two strainer traffic direction pressure with the compression roller diameter, material is subjected to tossing about in bed to push volume contraction, gap free water in the material is extruded, at this moment, basically form filter cake, continuation to the waste residue discharging opening 45 of pressure afterbody, can be reduced to minimum through the water content of filter cake behind the high pressure forward.
Material is discharged from waste residue discharging opening 45 through forming filter cake after the processed in above each stage, and the micro-material through between high-pressure washing water removing opening of sieve continues to enter next step dewatering cycle.
For dissimilar sewage, the difference that should adopt different types of flocculant and add concentration, consumption and compression roller number, fashion of extrusion is arranged, variation with the different structure of strainer, speed, tension force obtains more scientific and reasonable, economic and practical treatment effect.Therefore, obtain dehydrating effect preferably, at the mud of different components, variable concentrations, different acid, basicity, must corresponding technological process of design.
The sewage processed of industries such as this press filteration system can be widely used in city domestic sewage, textile printing and dyeing, plating, papermaking, leather, brewages, food processing, coal washing, petrochemical industry, chemistry, metallurgy, pharmacy, pottery is applicable to that also industrial Separation of Solid and Liquid or liquid leach operation.
Claims (4)
1, aluminium alloy anodized waste water belt type press filteration system, it is characterized in that: this system mainly is made up of detention tank (1), flocculant stirring pool (2), coagulation reactor (3), belt filter press (4), detention tank (1) is connected with coagulation reactor (3) by pipeline respectively with flocculant stirring pool (2), and coagulation reactor (3) imports the mixed liquor in it material-falling hopper (5) that is arranged on the belt filter press (4) by pipeline.
2, aluminium alloy anodized waste water belt type press filteration system according to claim 1, it is characterized in that: the pressure that be provided with gravity thickening strainer (41) in the described belt filter press (4), constitutes by first pressure dehydration strainer (42) and second pressure dehydration strainer (43) the strainer group of dewatering, material-falling hopper (5) is positioned at the top of gravity thickening strainer (41); The leading portion (431) of the leading portion (421) of first pressure dehydration strainer and second pressure dehydration strainer is positioned at the below and the common dehydration technology section that forms of gravity thickening strainer (41) from top to bottom successively; Form wedge shape space (44) between the stage casing (432) of the stage casing (422) of first pressure dehydration strainer and second pressure dehydration strainer, this wedge shape space (44) is a precompressed zone; The back segment (433) of the back segment (423) of first pressure dehydration strainer and second pressure dehydration strainer is overlapping on the roller group of a plurality of highlands dislocation array layout, finally separately forms waste residue discharging opening (45) at rear.
3, aluminium alloy anodized waste water belt type press filteration system according to claim 1, it is characterized in that: the switched in opposite of the rotation direction of gravity thickening strainer and first pressure dehydration strainer (42), and identical with the direction of second pressure dehydration strainer (43).
4, aluminium alloy anodized waste water belt type press filteration system according to claim 1, it is characterized in that: the rotation direction of the rotation direction of gravity thickening strainer and second pressure dehydration strainer (43) is and clockwise rotates, and the rotation direction of second pressure dehydration strainer (43) is for rotating counterclockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910041506A CN101618287A (en) | 2009-07-29 | 2009-07-29 | Aluminium alloy anodized waste water belt type press filteration system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910041506A CN101618287A (en) | 2009-07-29 | 2009-07-29 | Aluminium alloy anodized waste water belt type press filteration system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241469A (en) * | 2010-05-10 | 2011-11-16 | 佛山科创玮景环保技术有限公司 | Dehydration device |
| CN103170688A (en) * | 2011-12-21 | 2013-06-26 | 发那科株式会社 | Working fluid filtering device for electrical discharge machine |
| CN104291547A (en) * | 2014-05-30 | 2015-01-21 | 季华林 | Novel belt filter press |
| CN104829082A (en) * | 2014-02-11 | 2015-08-12 | 季华林 | Sludge solidification machine |
| CN108396521A (en) * | 2017-02-06 | 2018-08-14 | 青岛海尔洗衣机有限公司 | A kind of flocculant dispenser and the washing machine that flocculates |
-
2009
- 2009-07-29 CN CN200910041506A patent/CN101618287A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241469A (en) * | 2010-05-10 | 2011-11-16 | 佛山科创玮景环保技术有限公司 | Dehydration device |
| CN102241469B (en) * | 2010-05-10 | 2013-02-13 | 佛山科创玮景环保技术有限公司 | Dehydration device |
| CN103170688A (en) * | 2011-12-21 | 2013-06-26 | 发那科株式会社 | Working fluid filtering device for electrical discharge machine |
| CN103170688B (en) * | 2011-12-21 | 2015-03-25 | 发那科株式会社 | Working fluid filtering device for electrical discharge machine |
| CN104829082A (en) * | 2014-02-11 | 2015-08-12 | 季华林 | Sludge solidification machine |
| CN104291547A (en) * | 2014-05-30 | 2015-01-21 | 季华林 | Novel belt filter press |
| CN108396521A (en) * | 2017-02-06 | 2018-08-14 | 青岛海尔洗衣机有限公司 | A kind of flocculant dispenser and the washing machine that flocculates |
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Open date: 20100106 |