CN102765835A - Closed multistage purified water device and production process - Google Patents

Closed multistage purified water device and production process Download PDF

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Publication number
CN102765835A
CN102765835A CN201210288527XA CN201210288527A CN102765835A CN 102765835 A CN102765835 A CN 102765835A CN 201210288527X A CN201210288527X A CN 201210288527XA CN 201210288527 A CN201210288527 A CN 201210288527A CN 102765835 A CN102765835 A CN 102765835A
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closed
water
flow
water device
plate
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CN201210288527XA
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CN102765835B (en
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王权武
刘平安
鲁文辉
郭佼
谭志海
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SUNSIGHT ENVIRONMENTAL PROTECTION SCI-TECH Co Ltd
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SUNSIGHT ENVIRONMENTAL PROTECTION SCI-TECH Co Ltd
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Abstract

The invention relates to a closed multistage efficient purified water device which is mainly formed by a multiphase flow solution air pump, a closed horizontal tank, an oil collecting inlet hole, a separation plate, a first guide plate, a flow retaining plate, a release energy dissipation device, a coalescence material, a perforated plate, a vapor-water washing pipeline and a second guide plate 4-2. The closed multistage efficient purified water device adopts a sewage backflow-free gas dissolution technique of a Germany edur multiphase flow pump to be combined with a high pressure valve release technique, a second-level gas dissolution flotation and a first-level gas dissolution flotation are provided with a vapor-water backflow-free coalescence oil removal height integrated device. The closed multistage efficient purified water device is simple in operation, small in land occupation and low in investment, and treatment efficiency is as high as 98%. The closed multistage efficient purified water device is applicable to sewage treatment in the industry such as petroleum industry, petrochemical industry, chemical industry and printing and dyeing industry.

Description

A kind of closed stage purification water device and production technique thereof
Technical field
The present invention relates to a kind of waste disposal plant, specifically to the treatment unit of waste water such as oil-containing, industrial chemicals, volatility.
Background technology
In the industrial production of oil, petrochemical industry and chemical industry etc., usually contain complicated ingredients such as oil and various organic chemical industry's materials in the sewage of its discharge, cause sewage treatment process complicated, sewage disposal device is huge, and cost of sewage disposal is very high.At present, the traditional treatment method to sewage such as oil-containing, organic chemical industry's materials has two kinds: a kind of is that---inclined tube or swash plate remove separating of oil---electrode air supporting or biochemistry---cascade filtration or membrane filtration in the employing sedimentation; Another kind is to adopt sedimentation---eddy flow or cavitation air flotation---efficient air-floating---cascade filtration.These two kinds of treatment processs all exist facility huge, take up an area of extensively, and processing efficiency is low, invests high shortcoming, and complex process, and operation easier is big.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of sewage treatment process simple, equipment is little, less investment, and processing efficiency is high, simple novel treatment equipment of technology and technology.
The present invention is achieved in that
The present invention is a kind of closed stage purification water device, mainly by polyphasic flow air dissolved pump, closed horizontal tank, receive oily hand-hole, dividing plate, first flow deflector, flow-stopping plate, release sinker, porous plate, coalescence material, carbonated drink pipe blow-through and second flow deflector and form.Closed horizontal tank middle part is provided with a dividing plate and first flow deflector; At end socket place, closed horizontal tank left side, be provided with flow-stopping plate; At end socket place, closed horizontal tank right side, be provided with second flow deflector.Flow-stopping plate and first flow deflector intermediary water-in top are provided with the release sinker.Between second flow deflector and dividing plate, be provided with porous plate and coalescence material.It below the porous plate carbonated drink pipe blow-through.Receive the top that oily hand-hole is located at the closed horizontal tank for two.The polyphasic flow air dissolved pump is installed between sewage induction pipe and the closed multi-stage, efficient water-purifying apparatus water-in.
Said polyphasic flow air dissolved pump is the stream air dissolved pump of your company's production of German Edu.Sewage and air mix in the multiphase flow pump import, the broken and pressurization through the impeller of pump, and air dissolves gets in the water.Dissolved air water after the homogeneous voltage stabilizing, is mixed into closed multi-stage, efficient water-purifying apparatus with the lift pump water outlet behind the process reducing valve in the stable pipe of molten gas.Small bubbles about the 20 μ m that decompression discharges adhere to sump oil and the oily hand-hole of dirt come-up entering receipts effluxes.
Said closed horizontal tank is the billy of horizontal positioned, and there is ellipsoidal head at its two ends.
The oily hand-hole of said receipts is the ellipsoidal head hand-hole.
Said dividing plate, it is arranged in the closed horizontal tank, two parts about container is divided into.
Said flow deflector, by an arch steel plate bending certain angle, angular dimension calculates through hydromeehanics.
Said flow-stopping plate, by being an arch steel plate bending certain angle, the short stream of anti-sealing guarantees the maximum hydraulic detention time in separate chamber.
Said energy dissipating reliever is for being positioned at " the arc cover " that one-level contact jet orifice top has energy dissipating cloth water function.Air water high-speed jet after decompression discharges through valve gets into the energy dissipating reliever, makes swiftly flowing air water change direction and becomes sluggish flow.Guarantee that water is evenly distributed mixing fully in the exposure chamber.
Said porous plate and coalescence material, this porous plate is anticorrosion steel plate, has a plurality of circular flowing holes according to inflow-rate of water turbine on the steel plate.This porous plate major function has two, one, bears the coalescence material coalescence material and the even water of crossing in water treatment procedure; The 2nd, porous plate ability uniform distribution water is gentle when the backwash coalescence material.Said coalescence material by synthetic hollow many cotton balls of resins such as lipophilic Vestolen PP 7052, PS or Vilaterm or Pall ring, is of a size of φ 25 ~ φ 75.
Said carbonated drink pipe blow-through, for dissolved air water discharges perforated pipe, pipe laying below coalescence material, pipeline center's horizontal direction is to wearing many holes.
Production technique of the present invention is following:
A, first step air supporting are handled
1, liquid medicine mixes, and medicine is respectively flocculation agent and coagulant aids, adds that concentration is respectively 100 ~ 200ppm and 5 ~ 10ppm in the entry;
2, with above-mentioned mixed solution process porous plate, make the liquid medicine thorough mixing;
3, mixing fully contacts the sewage of confection with dissolved air water in the reliever outlet, and the small bubbles adhesion sump oil of release and flco are raised to tank deck and get rid of through receiving oily hand-hole.
B, second stage air supporting are handled
4, after the air supporting of process one-level is handled, also have complete or less oil droplet, the flco of one-tenth long grain of unreacted of part in the sewage, get into second stage air supporting through flow-stopping plate.
5, air supporting air deflector and take-off pipe dissolved air water mix once more in the second stage
6, float to tank deck on the small bubbles band pollutent (oil and flco) that discharges, get rid of through receiving oily hand-hole.
C, third stage coalescence
7, the very little oil droplet come-up in the air supporting of the second stage, buoyancy flows downward with water less than the viscous force that flows under water, through coalescence material, sticks to material surface.
8, grow up after the collision of little oil droplet, when droplet diameter is grown up more than 60 μ m, buoyancy is greater than viscous force, breaks away from the coalescence material to float to tank deck, gets rid of through receiving oily hand-hole.
Principle of work of the present invention is:
The present invention adopts the closed horizontal tank, fully uses spaces such as end socket, has integrated 2 grades of air supportings and 1 grade of coalescence integrated technique.Separate out after being dissolved in impurity and the colloid breakdown of emulsion in the water after liquid medicine mixes, conglomerate, and 20 ~ 30 μ m that discharge with decompression, small bubbles float on the water surface on combining, through hand-hole enrichment and eliminating.Because the liquid medicine hybrid reaction time is shorter, also have the little flco of part not grow up, separate not thoroughly, one-level dissolved air flotation heel flows to secondary air-floatation with water and also slowly grows up; Identical scavenging process takes place with one-level air supporting in secondary air-floatation.Air flotation separating chamber is provided with a kind of lipophilic coalescence material in the second stage in the present invention; Little oil droplet is when flowing through coalescence material; Grow up in the material surface coalescence; Up to the buoyancy of little oil droplet greater than the current resistance (through calculating: the oil droplet buoyancy greater than 60 μ m satisfies the come-up condition greater than resistance, and little oil droplet floats in coalescence material and separates) that descends.The present invention is provided with the carbonated drink pipe blow-through, can regularly remove the flco of coalescence material.
Sewage directly passes through polyphasic flow air dissolved pump pressure air-dissolving process, adopts valve decompression release tech.Dissolved-air pressure is than the general high 0.1 ~ 0.15MPa of device equipment dissolved-air pressure that dissolves, and molten tolerance is more, and relief valve is simple, does not have dirty stifled situation and takes place.
The present invention is simple in structure, occupies little space, and production cost is low, and is easy to operate, and processing efficiency is high, and organic substance and removal of impurity reach about 98%, greatly alleviate the load of subsequent processing device.The present invention is adaptable across the WWT of oil, petrochemical industry and chemical industry.
Below in conjunction with accompanying drawing and embodiment, the present invention is further specified
Description of drawings
The one-piece construction synoptic diagram of Fig. 1 embodiment of the invention;
The process flow diagram of Fig. 2 embodiment of the invention.
Among the figure, 1 is flow-stopping plate, and 2 is closed horizontal tank (being called for short " tank body "), and 3-1 is the oily hand-holes of first receipts, and 3-2 is the oily hand-holes of second receipts; 4-1 is first flow deflector, and 4-2 is second flow deflector, and 5 is dividing plate, 6 coalescence materials and porous plate, and 7 is the carbonated drink pipe blow-through; 8 for discharging energy dissipator, 9 polyphasic flow air dissolved pumps, 10 flocculant concentration devices, 11 coagulant aids throwing devices; 12 stage purification water devices, 13 dissolve the stable pipe of vapour, and 14 are the water tank of purifying waste water, and 15 is blow-off pipe.
Embodiment
Fig. 1 has shown the one-piece construction of present embodiment, and closed horizontal tank 2 is welded by cylindrical shell and ellipsoidal head, and oily hand-hole 3 is received in the top welding.Closed horizontal tank 2 middle parts are provided with a dividing plate 5 and the first flow deflector 4-1; The end socket place is provided with flow-stopping plate 1 in closed horizontal tank left side, is provided with second flow deflector at end socket place, tank body right side.Flow-stopping plate 1 and first flow deflector 4-1 intermediary water-in top are provided with release sinker 8.Between the second flow deflector 4-2 and dividing plate 5, being provided with coalescence material puts and porous plate 6.It below the porous plate carbonated drink pipe blow-through 7.Receive the top that oily hand-hole 3 is located at closed horizontal tank 2 for two.The polyphasic flow air dissolved pump 9 of Germany your company of Edu is installed between sewage induction pipe and the closed multi-stage, efficient water-purifying apparatus water-in.
Fig. 2 has shown the technical process of present embodiment
Manually boot lift pump 1 or lift pump 2 and earlier water-purifying apparatus is full of sewage or clear water, pump discharge pressure remains on 19~21 meters lifts.Stop lift pump, open polyphasic flow air dissolved pump 9, valve V11 and V14 regulate the location in advance, make the stable pipe of molten gas upward pressure remain on 0.45 ~ 0.5MPa; Modulating gas valve flowmeter body flow 4L/min and tail pipe vacuum pressure gauge absolute pressure 0.01 ~ 0.02MPa.9 operations of polyphasic flow air dissolved pump are after ten minutes, and the time relay is opened lift pump 1 or lift pump 2, flocculant concentration device 10 and coagulant aids throwing device 11 automatically.2 dosing volume pumps add medicine flocculation agent and coagulant aids by preset proportion respectively.
Liquid medicine mixes the back and gets into 12 mixing of stage purification water device at porous plate 6 places, after discharging energy dissipator 8, carry out the flotation separation process.The V20 of water-purifying apparatus and V17 open certain aperture, discharge sump oil and flco continuously.The sp thief hole can be taken a sample and checked the oil extraction effect on the draw-off pipe.The V15 of water-purifying apparatus is held open state, goes out clear water continuously.Bottom blow-down valve and backwash valve are regularly opened blowdown and backwash.Dissolved air water average in the stable pipe of part 13 molten gas through the broken dissolved under pressure of polyphasic flow air dissolved pump is fully dissolved; Unnecessary gas accumulation is at the stable pipe of molten gas top; The top is equipped with automatic exhaust steam valve and gets rid of unnecessary gas, and water outlet is bag and dissolved air water in the stable pipe of molten gas.Water after the process multiple-stage treatment purifies is called purifies waste water, and the outlet conduit of purifying waste water inserts water tank 14.Water tank plays the temporary effect of buffering, for back fine processing more, reaches the water treatment design objective.Some are arranged in the sewage, and reaction generates the particle that precipitates and be not easy to be gone out by air supporting with medicine, in the separate chamber, is deposited in closed multi-stage, efficient water treatment device bottom.Bottom of device is provided with 4 sewage draining exits and is pooled to part 15 blow-off pipes, regularly opens the settled sludge in the remover through the valve on the part 15.The valve opening that more than needs to regulate flow once keeps aperture in the back, and re-adjustment does not only need to open switch-valve next time.

Claims (9)

1. closed stage purification water device is characterized in that: by polyphasic flow air dissolved pump (9), closed horizontal tank (2), receive oily hand-hole (3), dividing plate (5), first flow deflector (4-1), flow-stopping plate (1), discharge sinker (8), coalescence material and porous plate (6), carbonated drink pipe blow-through (7) and second flow deflector (4-2) and form; Closed horizontal tank (2) middle part is provided with a dividing plate (5) and first flow deflector (4-1); At end socket place, closed horizontal tank (2) left side, be provided with flow-stopping plate (1); At end socket place, closed horizontal tank (2) right side, be provided with second flow deflector (4-2); Flow-stopping plate (1) and first flow deflector (4-1) intermediary water-in top are provided with release sinker (8); Between second flow deflector (4-2) and dividing plate (5), be provided with coalescence material and porous plate (6); Below the porous plate carbonated drink pipe blow-through (7); Receive the top that oily hand-hole (3) is located at closed horizontal tank (2) for two; Polyphasic flow air dissolved pump (9) is installed between sewage induction pipe and the closed stage purification water device water-in.
2. according to the production technique of the said closed stage purification of claim 1 water device, it is characterized in that be the multistage purified water processing method of a kind of closed, its step is following:
A, first step air supporting are handled
1) liquid medicine mixes, and medicine is respectively flocculation agent and coagulant aids, adds in the entry, and concentration is respectively 100 ~ 200ppm and 5 ~ 10ppm;
2) with above-mentioned mixed solution process porous plate, make the liquid medicine thorough mixing;
3) mixing fully contacts the sewage of confection with dissolved air water in the reliever outlet, and the small bubbles adhesion sump oil of release and flco are raised to tank deck and get rid of through receiving oily hand-hole;
B, second stage air supporting are handled
4) after the air supporting of process one-level is handled, also have complete or less oil droplet, the flco of one-tenth long grain of unreacted of part in the sewage, get into second stage air supporting through flow-stopping plate;
5) the air supporting air deflector is mixed with the take-off pipe dissolved air water once more in the second stage;
6) float to tank deck on the small bubbles band pollutent (oil and flco) that discharges, get rid of through receiving oily hand-hole;
C, third stage coalescence
7) the very little oil droplet come-up in the air supporting of the second stage, buoyancy flows downward with water less than the viscous force that flows under water, through coalescence material, sticks to material surface;
8) grow up after the collision of little oil droplet, when droplet diameter is grown up more than 60 μ m, buoyancy is greater than viscous force, breaks away from the coalescence material to float to tank deck, gets rid of through receiving oily hand-hole.
3. according to the said closed stage purification of claim 1 water device, it is characterized in that: said polyphasic flow air dissolved pump (9) is the product flow air dissolved pump of your company of German Edu.
4. according to the said closed stage purification of claim 1 water device, it is characterized in that: said closed horizontal tank (2), be the billy of horizontal positioned, there is ellipsoidal head at its two ends.
5. according to the said closed stage purification of claim 1 water device, it is characterized in that: the oily hand-hole of said receipts (3) is the ellipsoidal head hand-hole.
6. said dividing plate (5), it is arranged in the closed horizontal tank, two parts about container is divided into.
7. according to the said closed stage purification of claim 1 water device, it is characterized in that: said flow deflector and flow-stopping plate (1) all are to be formed by the bending of an arch steel plate.
8. according to the said closed stage purification of claim 1 water device, it is characterized in that: said energy dissipating reliever (8) is an arc cover that is positioned at one-level contact jet orifice top.
9. according to the said closed stage purification of claim 1 water device; It is characterized in that: said coalescence material and and porous plate (6): coalescence material is of a size of φ 25 ~ φ 75 by synthetic hollow many cotton balls of lipophilic Vestolen PP 7052, PS or polyvinyl resin or Pall ring; Porous plate is anticorrosion steel plate, has a plurality of circular flowing holes on the steel plate.
CN201210288527.XA 2012-08-14 2012-08-14 Closed multistage purified water device and production process Active CN102765835B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104973730A (en) * 2015-06-19 2015-10-14 湖州石淙印染有限公司 Dyeing wastewater treatment method
CN105985459A (en) * 2015-02-27 2016-10-05 浙江化工院科技有限公司 Method for continuously washing fluorine-containing polymer
CN106315948A (en) * 2016-10-17 2017-01-11 广汉市思科信达科技有限公司 Oil field sewage treatment tank
CN106517568A (en) * 2015-09-15 2017-03-22 陕西蓝海石油设备有限公司 Fine oily sewage treatment device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2091706U (en) * 1991-05-13 1992-01-01 宜兴市高塍水处理工程研究所 Coalescence-type separator of oil from water
CN2125577U (en) * 1992-05-18 1992-12-23 天津大学 Stepped double hole cavity radiate glow sol gas discharger
CN2732714Y (en) * 2004-06-14 2005-10-12 沈阳市海峡环保科技开发公司 Jet flow multi-step flotation and purifying machine
WO2010004266A1 (en) * 2008-07-07 2010-01-14 Mator As Method for separating oil from water by injecting simultaneously a liquefied gas into the gravity separation device
CN102418332A (en) * 2011-10-12 2012-04-18 东南大学 Collecting and treating integrated device for wide-area water surface leakage crude oil
CN202226701U (en) * 2011-08-25 2012-05-23 扬州绿都环境工程设备有限公司 Multifunctional electrode air floatation device
CN202766369U (en) * 2012-08-14 2013-03-06 陕西太阳景环保科技有限公司 Airtight multilevel water purifying device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2091706U (en) * 1991-05-13 1992-01-01 宜兴市高塍水处理工程研究所 Coalescence-type separator of oil from water
CN2125577U (en) * 1992-05-18 1992-12-23 天津大学 Stepped double hole cavity radiate glow sol gas discharger
CN2732714Y (en) * 2004-06-14 2005-10-12 沈阳市海峡环保科技开发公司 Jet flow multi-step flotation and purifying machine
WO2010004266A1 (en) * 2008-07-07 2010-01-14 Mator As Method for separating oil from water by injecting simultaneously a liquefied gas into the gravity separation device
CN202226701U (en) * 2011-08-25 2012-05-23 扬州绿都环境工程设备有限公司 Multifunctional electrode air floatation device
CN102418332A (en) * 2011-10-12 2012-04-18 东南大学 Collecting and treating integrated device for wide-area water surface leakage crude oil
CN202766369U (en) * 2012-08-14 2013-03-06 陕西太阳景环保科技有限公司 Airtight multilevel water purifying device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105985459A (en) * 2015-02-27 2016-10-05 浙江化工院科技有限公司 Method for continuously washing fluorine-containing polymer
CN105985459B (en) * 2015-02-27 2018-08-17 浙江化工院科技有限公司 A method of it is continuously washed for fluoropolymer
CN104973730A (en) * 2015-06-19 2015-10-14 湖州石淙印染有限公司 Dyeing wastewater treatment method
CN106517568A (en) * 2015-09-15 2017-03-22 陕西蓝海石油设备有限公司 Fine oily sewage treatment device
CN106315948A (en) * 2016-10-17 2017-01-11 广汉市思科信达科技有限公司 Oil field sewage treatment tank

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Denomination of invention: A closed multistage water purification device and its production process

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