CN106186140A - High-efficient vertical streaming air-flotation system and operation method thereof - Google Patents
High-efficient vertical streaming air-flotation system and operation method thereof Download PDFInfo
- Publication number
- CN106186140A CN106186140A CN201610618164.XA CN201610618164A CN106186140A CN 106186140 A CN106186140 A CN 106186140A CN 201610618164 A CN201610618164 A CN 201610618164A CN 106186140 A CN106186140 A CN 106186140A
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- air
- water
- flotation
- dissolving
- sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
Abstract
The present invention relates to water treatment field, especially a kind of high-efficient vertical streaming air-flotation system, it includes dosing mixing portion, molten gas release part and air supporting separate section, and wherein said dosing mixing portion includes flocculant medicating mechanism, PH regulator medicating mechanism, flocculation aid medicating mechanism；Described molten gas release part includes dissolving and air compressor machine；Described dissolved air flotation part includes flotation tank and water-locator.The operation method of a kind of high-efficient vertical streaming air-flotation system, comprises the steps: dosing mixing, the release of molten gas, dissolved air flotation.High-efficient vertical streaming air-flotation system obtained by the present invention and operation method thereof, compared with prior art, main advantages of the present invention are as follows: system uses dissolving integrated with flotation tank cell body, simplifies air-float technology equipment, reduces purchase cost, it is easy to safeguard；Water distribution system uses multiple water distribution branch pipes, it is possible to resolve the situation that big flow sewage disposal water distribution is uneven；Different dosing methods makes that co-agglomeration is effective, daf efficiency is high.
Description
Technical field
The present invention relates to water treatment field, especially a kind of high-efficient vertical streaming air-flotation system and operation method thereof.
Background technology
Air supporting method is also referred to as floatation, and its principle is to manage to make to produce substantial amounts of microbubble in water, to form water, gas and to be gone
Except the three-phase mixture of material, under the common effect of the many kinds of forces such as interfacial tension, bubble rising buoyancy and hydrostatic pressure difference, promote
Enter after micro air bubble sticks in removed tiny oil droplets, because adherend density floats to the water surface less than water, so that water
Middle elaioleucite is separated removal.
Air supporting method can be divided into dispersion air air supporting method, electrolytic gas float glass process, dissolved air flotation etc..Dissolved air flotation can be divided into
Vacuum air supporting method and method of pressed dissolved-air release, and method of pressed dissolved-air release is divided into according to the source difference of pressure air-dissolving water: complete
Pressure air-dissolving flow process, part pressure air-dissolving flow process and partial reflux pressure air-dissolving flow process.Flotation technology is because of its solid-liquid separation equipment
There is the feature such as small investment, floor space is little, automaticity is high, convenient operation and management, be widely used in petrochemical industry oil-containing
The process of sewage, particularly partial reflux dissolved air flotation, have both full pressurization, the technological advantage of part pressure air-dissolving, and compare
It is big that dispersion air air supporting method has process sewage quantity, the feature that treatment effect is high；Compare electrolytic gas float glass process have saving electric energy and
The advantage that operating cost is relatively low, is suitable for modern enterprise energy-saving and environmental protection, subtracts the requirement of consumption, potentiation.
Flotation waste water treatment process utilizes the former water adding coagulant to mix in water pipe route with dissolved air water, at air supporting flotation tank
In carry out Reaction Separation.Traditional perpendicular gas floating apparatus is applicable to the sewage disposal of low discharge, uses single water distributor, sewage stream
Water distribution can be caused when measuring excessive uneven, easily block；Installing the shape generally using dissolving separated with flotation tank
Formula, equipment control is complicated, and equipment cost is the highest.
Summary of the invention
The invention aims to solve the deficiency of above-mentioned technology and provide one to be applicable to big flow sewage disposal, altogether
Flocculating result is good, daf efficiency is high high-efficient vertical streaming air-flotation system and operation method thereof.
In order to achieve the above object, the high-efficient vertical streaming air-flotation system designed by the present invention, it include dosing mixing portion,
Molten gas release part and air supporting separate section, wherein said dosing mixing portion includes flocculant medicating mechanism, PH regulator
Medicating mechanism, flocculation aid medicating mechanism；Described molten gas release part includes dissolving and air compressor machine；Described dissolved air flotation portion
Divide and include flotation tank, water-locator, slag scraper；Described water-locator includes water distributor, buffering arm, horn mouth, and water distributor sets
Putting a plurality of buffering arm, horn mouth is arranged on the end of every buffering arm.It includes sewage input pipe, and sewage input pipe connects
To water distributor, the lower section of water distributor is provided with collector pipe, between collector pipe and water distributor, is provided with baffle plate, collector pipe is arranged
There are gully-hole, outlet pipe；Described flocculant medicating mechanism, PH regulator medicating mechanism, flocculation aid medicating mechanism respectively with dirt
Water inlet pipe connects；Described dissolving outlet is connected with sewage input pipe, is provided with dissolved air water return duct on collector pipe, molten
Air water return duct is connected to dissolving, and described air compressor machine is connected with dissolving and is pressed in dissolving by air.
It is being provided with the diameter of buffering arm of horn mouth one end more than buffering arm straight being connected one end with water distributor
Footpath, reduces water velocity, prevents from breaking up flco.
Pan feeding pump, sewage flowmeter and sewage valve, described flocculant dosing it is provided with on described sewage input pipe
Mechanism include flocculant explosive barrel, dosing pump, flocculant valve, described PH regulator medicating mechanism include PH regulator explosive barrel,
Dosing pump, PH regulator valve, flocculation aid medicating mechanism includes flocculation aid explosive barrel, dosing pump, flocculation aid valve.
Dissolved air water return duct is provided with reflux inlet, pipeline pump, dissolved air water effusion meter.
Air compressor machine is provided with intake valve on the connection pipeline of dissolving；Dissolving is provided with Pressure gauge, liquid level tube.
The pipeline that the outlet of dissolving is connected with sewage input pipe is provided with decompression cutting valve, dissolved air water is cut
Cut effect, make dissolved air water bulb diameter less, prevent its bubble when pressure diminishes from becoming big and rupturing, cause air flotation effect to be deteriorated.
Output pressure is controlled at 0-0.1MPa by decompression cutting valve.
The top of flotation tank is provided with slag scraper, dreg collecting slot, dreg collecting slot is provided with slag-drip opening.
The operation method of a kind of high-efficient vertical streaming air-flotation system, comprises the steps: that A, dosing mixing, molten gas discharge: gas
In floating pond, injected clear water keeps certain water level, then opens reflux inlet, intake valve, and air is pressed in dissolving by air compressor machine, clear water
Under the effect of pipeline pump, suck dissolved air water return duct, mix with air, by liquid level tube and pipeline pump in spurting into dissolving
The water yield in control dissolving is in setting value, then opens flocculant valve, PH regulator valve, flocculation aid valve successively, subtracts
Crush-cutting cuts valve, finally opens sewage valve, and sewage is carried by pan feeding pump, and sewage is in course of conveying, first with flocculation
Agent, the mixing of PH regulator, then mix with the dissolved air water in dissolving, finally mix with flocculation aid, enter back in water-locator；B, gas
Floating separation: the mixed molten gas sewage of dosing is by the buffering arm on water-locator and horn mouth water distribution uniformity, in scum silica frost air supporting
Rising, scraped to dreg collecting slot by slag scraper, and discharge from slag-drip opening, lower floor's clear water is discharged by collector pipe: be partly into molten
Air water return duct is circulated use, and another part enters next system.
High-efficient vertical streaming air-flotation system obtained by the present invention and operation method thereof, compared with prior art, the present invention's
Major advantage is as follows:
System uses dissolving integrated with flotation tank cell body, simplifies air-float technology equipment, reduces purchase cost, it is easy to safeguard；
Tradition air-float technology mixes with sewage after all medicaments are uniformly mixed with dissolved air water again, so makes between bubble population viscous
Attached property is poor, and is difficult to realize co-agglomeration, and air flotation effect is poor.The present invention uses and is initially charged flocculant, PH regulator, then with dissolved air water
Mixing, the method being finally mixed into flocculation aid, the bubble of single parcel flocculate originally can be made to become flocculate bubble population, co-agglomeration
Effective；
Compared with common control valve, decompression cutting valve can play the effect of cutting bubble when dissolved air water is by valve, produces
Raw dissolved air water good stability, density are big, prevent bubble diameter excessive broken；
Water-locator makes molten gas sewage uniformly be passed through in flotation tank, and bell-mouthed quantity can increase and decrease according to the discharge of sewage, can realize big
The sewage disposal of flow.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the water distribution system of the present invention.
Detailed description of the invention
The invention will be further described to combine accompanying drawing below by embodiment.
Embodiment 1:
As shown in Figure 1 and Figure 2, the high-efficient vertical streaming air-flotation system that the present embodiment describes, it includes that dosing mixing portion, molten gas are released
Putting part and air supporting separate section, wherein said dosing mixing portion includes flocculant medicating mechanism, PH regulator chemicals feeder
Structure, flocculation aid medicating mechanism；Described molten gas release part includes dissolving 23 and air compressor machine 25；Described dissolved air flotation part
Including flotation tank 15, water-locator 12, slag scraper 16；Described water-locator 12 includes water distributor 12-1, buffering arm 12-4, loudspeaker
Mouth 13, water distributor 12-1 arranges a plurality of buffering arm 12-4, and horn mouth 13 is arranged on the end of every buffering arm 12-4.It
Including sewage input pipe 1, sewage input pipe 1 is connected to water distributor 12-1, and the lower section of water distributor 12-1 is provided with collector pipe 12-
2, it is provided with baffle plate 12-5 between collector pipe 12-2 and water distributor 12-1, collector pipe 12-2 is provided with gully-hole 12-3, water outlet
Pipe 14；Described flocculant medicating mechanism, PH regulator medicating mechanism, flocculation aid medicating mechanism are respectively with sewage input pipe 1 even
Connect；Described dissolving 23 outlet is connected with sewage input pipe 1, is provided with dissolved air water return duct 19 on collector pipe 12-2, molten
Air water return duct 19 is connected to dissolving 23, and described air compressor machine 25 is connected with dissolving 23 and is pressed in dissolving 23 by air.
Diameter at the buffering arm 12-4 being provided with horn mouth 13 one end is more than and is connected the slow of one end with water distributor 12-1
Rush the diameter of arm 12-4.
Pan feeding pump 2, sewage flowmeter 3 and sewage valve 4, described flocculant it is provided with on described sewage input pipe 1
Medicating mechanism includes that flocculant explosive barrel 8, dosing pump 5, flocculant valve 6, described PH regulator medicating mechanism include that PH regulates
Agent explosive barrel 9, dosing pump 5, PH regulator valve 7, flocculation aid medicating mechanism includes flocculation aid explosive barrel 10, dosing pump 5, flocculation aid valve
Door 11.
Dissolved air water return duct 19 is provided with reflux inlet 20, pipeline pump 21, dissolved air water effusion meter 22.
Air compressor machine 25 is provided with intake valve 24 on the connection pipeline of dissolving 23；Dissolving 23 is provided with Pressure gauge
26, liquid level tube 27.
The pipeline that the outlet of dissolving 23 is connected with sewage input pipe 1 is provided with decompression cutting valve 28.
It is provided with slag scraper 16, dreg collecting slot 17 at the top of flotation tank 15, dreg collecting slot 17 is provided with slag-drip opening 18.
Embodiment 2:
The operation method of a kind of high-efficient vertical streaming air-flotation system that the present embodiment describes, comprises the steps: A, dosing mixing, molten
Gas discharges: in flotation tank, injected clear water keeps certain water level, then opens reflux inlet 20, intake valve 24, and air is pressed by air compressor machine 25
Entering in dissolving 23, clear water sucks dissolved air water return duct 19 under the effect of pipeline pump 21, in spurting into dissolving 23 and air
Mixing, controls the water yield in dissolving 23 in setting value by liquid level tube 27 and pipeline pump 21, then opens flocculant valve successively
Door 6, PH regulator valve 7, flocculation aid valve 11, decompression cutting valve 28, finally open sewage valve 4, and sewage passes through pan feeding pump 2
Carrying, sewage, in course of conveying, first mixes with flocculant, PH regulator, then mixes with the dissolved air water in dissolving,
Finally mix with flocculation aid, enter back in water-locator 12；B, dissolved air flotation: the mixed molten gas sewage of dosing passes through water-locator 12
On buffering arm 12-4 and horn mouth 13 water distribution uniformity, scum silica frost air supporting rise, scraped to dreg collecting slot 17 by slag scraper 16, and
Discharging from slag-drip opening 18, lower floor's clear water is discharged by collector pipe 12-2: is partly into dissolved air water return duct 19 and is circulated and makes
With, another part enters next system.
Claims (10)
1. a high-efficient vertical streaming air-flotation system, is characterized in that: it includes that dosing mixing portion, molten gas release part and air supporting divide
From part, wherein said dosing mixing portion includes flocculant medicating mechanism, PH regulator medicating mechanism, flocculation aid chemicals feeder
Structure；Described molten gas release part includes dissolving and air compressor machine；Described dissolved air flotation part include flotation tank, water-locator,
Slag scraper.
A kind of high-efficient vertical streaming air-flotation system the most according to claim 1, is characterized in that: described water-locator includes water distribution
Pipe, buffering arm, horn mouth, water distributor arranges a plurality of buffering arm, and horn mouth is arranged on the end of every buffering arm.
3., according to a kind of high-efficient vertical streaming air-flotation system described in claim 1,2, it is characterized in that: it includes sewage input pipe,
Sewage input pipe is connected to water distributor, and the lower section of water distributor is provided with collector pipe, is provided with gear between collector pipe and water distributor
Plate, collector pipe is provided with gully-hole, outlet pipe；Described flocculant medicating mechanism, PH regulator medicating mechanism, flocculation aid add
Medicine mechanism is connected with sewage input pipe respectively；Described dissolving outlet is connected with sewage input pipe, is provided with on collector pipe
Dissolved air water return duct, dissolved air water return duct is connected to dissolving, and described air compressor machine is connected with dissolving air is pressed into molten gas
In tank.
A kind of high-efficient vertical streaming air-flotation system the most according to claim 3, is characterized in that: be provided with horn mouth one end
The diameter of buffering arm is more than the diameter of the buffering arm being connected one end with water distributor.
A kind of high-efficient vertical streaming air-flotation system the most according to claim 3, is characterized in that: set on described sewage input pipe
Being equipped with pan feeding pump, sewage flowmeter and sewage valve, described flocculant medicating mechanism includes flocculant explosive barrel, dosing pump, wadding
Solidifying agent valve, described PH regulator medicating mechanism includes PH regulator explosive barrel, dosing pump, PH regulator valve, and flocculation aid adds
Medicine mechanism includes flocculation aid explosive barrel, dosing pump, flocculation aid valve.
6., according to a kind of high-efficient vertical streaming air-flotation system described in Claims 2 or 3 or 4 or 5, it is characterized in that: return at dissolved air water
Reflux inlet, pipeline pump, dissolved air water effusion meter it is provided with in flow tube.
A kind of high-efficient vertical streaming air-flotation system the most according to claim 6, is characterized in that: air compressor machine and the connection of dissolving
Intake valve it is provided with on pipeline；Dissolving is provided with Pressure gauge, liquid level tube.
A kind of high-efficient vertical streaming air-flotation system the most according to claim 7, is characterized in that: at outlet and the sewage of dissolving
Decompression cutting valve it is provided with on the pipeline that input pipe connects.
A kind of high-efficient vertical streaming air-flotation system the most according to claim 8, is characterized in that: be provided with at the top of flotation tank
Slag scraper, dreg collecting slot, be provided with slag-drip opening on dreg collecting slot.
10. an operation method for high-efficient vertical streaming air-flotation system as claimed in claim 9, is characterized in that: include walking as follows
Rapid: A, dosing mixing, the release of molten gas: in flotation tank, injected clear water keeps certain water level, then opens reflux inlet, intake valve, air
By in air compressor machine press-in dissolving, clear water sucks dissolved air water return duct under the effect of pipeline pump, spurts into dissolving interior and empty
Gas mixes, and by the water yield in liquid level tube and pipeline pump control dissolving in setting value, then opens flocculant valve, PH successively
Regulator valve, flocculation aid valve, decompression cutting valve, finally open sewage valve, and sewage is carried by pan feeding pump, sewage
In course of conveying, first mix with flocculant, PH regulator, then mix with the dissolved air water in dissolving, last and flocculation aid
Mixing, enters back in water-locator；B, dissolved air flotation: the mixed molten gas sewage of dosing is by the buffering arm on water-locator and loudspeaker
Mouth water distribution uniformity, scum silica frost air supporting is risen, is scraped to dreg collecting slot by slag scraper, and discharges from slag-drip opening, and lower floor's clear water passes through
Collector pipe is discharged: being partly into dissolved air water return duct and be circulated use, another part enters next system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618164.XA CN106186140A (en) | 2016-08-01 | 2016-08-01 | High-efficient vertical streaming air-flotation system and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618164.XA CN106186140A (en) | 2016-08-01 | 2016-08-01 | High-efficient vertical streaming air-flotation system and operation method thereof |
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| CN106186140A true CN106186140A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610618164.XA Pending CN106186140A (en) | 2016-08-01 | 2016-08-01 | High-efficient vertical streaming air-flotation system and operation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630302A (en) * | 2017-02-09 | 2017-05-10 | 江苏永益环保科技有限公司 | Emulsion treatment equipment |
| CN113003860A (en) * | 2021-02-23 | 2021-06-22 | 刘苗 | Urban sewage treatment equipment |
| CN113200629A (en) * | 2021-06-17 | 2021-08-03 | 中冶京诚工程技术有限公司 | Flotation device and water body purification integrated system |
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| CN1907880A (en) * | 2006-08-17 | 2007-02-07 | 北京博通海纳石油技术有限公司 | Pressure air-dissolving air-float system |
| CN203128240U (en) * | 2013-03-07 | 2013-08-14 | 青岛美福洋环保工程有限公司 | Horizontal-flow dissolved air flotation machine |
| CN103395909A (en) * | 2013-07-25 | 2013-11-20 | 大连交通大学 | Two-stage coagulation air-flotation separation equipment and method |
| CN204058134U (en) * | 2014-09-17 | 2014-12-31 | 诸城市宏利圣得环境科技有限公司 | High-performance air-dissolving apparatus |
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2016
- 2016-08-01 CN CN201610618164.XA patent/CN106186140A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1907880A (en) * | 2006-08-17 | 2007-02-07 | 北京博通海纳石油技术有限公司 | Pressure air-dissolving air-float system |
| CN203128240U (en) * | 2013-03-07 | 2013-08-14 | 青岛美福洋环保工程有限公司 | Horizontal-flow dissolved air flotation machine |
| CN103395909A (en) * | 2013-07-25 | 2013-11-20 | 大连交通大学 | Two-stage coagulation air-flotation separation equipment and method |
| CN204058134U (en) * | 2014-09-17 | 2014-12-31 | 诸城市宏利圣得环境科技有限公司 | High-performance air-dissolving apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630302A (en) * | 2017-02-09 | 2017-05-10 | 江苏永益环保科技有限公司 | Emulsion treatment equipment |
| CN113003860A (en) * | 2021-02-23 | 2021-06-22 | 刘苗 | Urban sewage treatment equipment |
| CN113200629A (en) * | 2021-06-17 | 2021-08-03 | 中冶京诚工程技术有限公司 | Flotation device and water body purification integrated system |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |