CN207294243U - A kind of dissolved gas floatator - Google Patents
A kind of dissolved gas floatator Download PDFInfo
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- CN207294243U CN207294243U CN201721051229.3U CN201721051229U CN207294243U CN 207294243 U CN207294243 U CN 207294243U CN 201721051229 U CN201721051229 U CN 201721051229U CN 207294243 U CN207294243 U CN 207294243U
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Abstract
The utility model discloses a kind of dissolved gas floatator, belong to technical field of sewage treatment equipment, including air flotation slot, middle part in air flotation slot is vertically arranged with demarcation strip, and gap is provided between demarcation strip and the bottom of air flotation slot, air flotation slot is divided into the level-one air-dissolving air-float Gua Zha areas being connected and two level air-dissolving air-float Gua Zha areas；The water inlet of the front end connection air flotation slot in level-one air-dissolving air-float Gua Zha areas, the water outlet of the rear end connection air flotation slot in two level air-dissolving air-float Gua Zha areas；Level-one air-dissolving air-float Gua Zha areas and two level air-dissolving air-float Gua Zha areas are respectively communicated with one group of air-dissolving air-float and scrape slag system.The utility model effectively shortens Slag Scraping Device chain length by setting two level air-dissolving air-float to scrape slag system, increases transmission stability, and scrapes slag by two level air-dissolving air-float, realizes effective reduction of SS and CODcr in sewage.
Description
Technical field
It the utility model is related to technical field of sewage treatment equipment, and in particular to a kind of dissolved gas floatator.
Background technology
Dissolved gas floatator is a kind of equipment for removing the impurity such as suspended solid, vegetable and animals oils in water removal, has been widely used
In sewage treatment industry, its principle is under high pressure to dissolve in air using dissolving to produce dissolved air water in recirculation water, is passed through
Dissolved air water release sudden pressure reduction is discharged into accessing pending water, produces substantial amounts of microbubble, and minute bubbles rise and are adhered to miscellaneous
On matter particle, impurity is formed into scum silica frost using density contrast, is removed scum silica frost by Slag Scraping Device, reaches the mesh of suspended matter in water removal
's.
But existing large-scale dissolved gas floatator appearance and size is bigger, using traditional chain-type Slag Scraping Device have chain it is long,
Be driven it is unstable, easily fall chain the shortcomings of, and be provided only with existing airfloat equipment level-one dissolved air water release system, sewage is through gas
Release processing in floating pond is once introduced directly into clear water reserviors afterwards discharges, and impurities in water, suspended matter floating are not thorough enough, so that
Sewage disposal is caused to be not thorough, the problem such as cause SS and CODcr removal rates low increases the working strength of subsequent treatment process, increases
Add the cost of sewage disposal.
Utility model content
For above technological deficiency, technical problem to be solved in the utility model is to provide a kind of dissolved gas floatator, leads to
Cross setting two level air-dissolving air-float and scrape slag system, effectively shorten Slag Scraping Device chain length, increase transmission stability, and it is molten by two level
Slag is scraped in gas air supporting, realizes effective reduction of SS and CODcr in sewage.
To solve above technical problem, the technical solution adopted in the utility model is：
A kind of dissolved gas floatator, including air flotation slot, the top of the air supporting front of the slot are provided with water inlet, the air flotation slot
The top of rear end is provided with water outlet, and the middle part in the air flotation slot is vertically arranged with partition plate, and the partition plate and the air supporting
Gap is provided between the bottom of groove, the air flotation slot is divided into the level-one air-dissolving air-float Gua Zha areas being connected and the molten gas of two level
Air supporting Gua Zha areas；The front end in the level-one air-dissolving air-float Gua Zha areas connects the water inlet, the two level air-dissolving air-float Gua Zha areas
Rear end connect the water outlet；Further include two groups of air-dissolving air-floats and scrape slag system, level-one air-dissolving air-float Gua Zha areas and described
Two level air-dissolving air-float Gua Zha areas be respectively communicated with one group described in air-dissolving air-float scrape slag system.
As an improvement scheme, air-dissolving air-float described in two groups, which scrapes slag system, includes dissolving；Two dissolvings one
The upper end of side is respectively communicated with air compressor machine by pipeline；Inlet at the top of two dissolvings is respectively communicated with reflux by pipeline
Pump；The bottom of the bottom of the level-one air-dissolving air-float Gua Zha areas rear end and the two level air-dissolving air-float Gua Zha areas rear end is set respectively
There is the lower part of refluxing opening, the lower part of the level-one air-dissolving air-float Gua Zha areas front end and the two level air-dissolving air-float Gua Zha areas front end
Microbubble generator is not provided with it；The other end of two reflux pumps is corresponding respectively to connect a refluxing opening；The two molten gas
The dissolved air water extraction mouth of pot bottom is corresponding respectively to connect a microbubble generator.
As a kind of further improvement project, it is disposed with from the front to the back in the air flotation slot into water partition plate, first
Overflow plate, the partition plate, the second overflow plate and water outlet partition plate, and it is described water inlet partition plate and the water outlet partition plate with the air supporting
Gap is provided between the bottom of groove, first overflow plate and second overflow plate are between the top of the air flotation slot
Be provided with gap, by the level-one air-dissolving air-float Gua Zha areas and the two level air-dissolving air-float scrape slag distinguish be divided into be sequentially communicated into
Pool, the first molten gas release area, the first air supporting Gua Zha areas, the second molten gas release area, the second air supporting Gua Zha areas and exhalant region.
As a kind of further improvement project, two microbubble generators are respectively arranged at the described first molten gas and release
Put the lower part in area and the lower part in the second molten gas release area；Two refluxing openings are respectively arranged at the first air supporting Gua Zha areas
Bottom and the second air supporting Gua Zha areas bottom, and slag is scraped in the top in the first air supporting Gua Zha areas and second air supporting
Slag-scraper is both provided with above area.
Wherein, in the exhalant region water level control apparatus is additionally provided with close to the water outlet.
By adopting the above-described technical solution, the beneficial effects of the utility model are：
Due to a kind of dissolved gas floatator provided by the utility model, the middle part in its air flotation slot is vertically arranged with partition plate, will
Air flotation slot is divided into the level-one air-dissolving air-float Gua Zha areas being connected and two level air-dissolving air-float Gua Zha areas, and level-one air-dissolving air-float scrapes slag
Area and two level air-dissolving air-float Gua Zha areas are respectively communicated with one group of air-dissolving air-float and scrape slag system, this structure makes two groups of air-dissolving air-floats scrape slag system
System series connection, realizes that slag is scraped in the two-stage air supporting of sewage, can effectively shorten the length of Slag Scraping Device chain in existing equipment, make its biography
It is dynamic more stable, it is not easy to thread off, and sewage is during the molten gas of two level floats, can more thoroughly removes impurity in water removal, outstanding
Float, so as to more efficiently reduce SS and CODcr, reduces processing load to sewage subsequent treatment process, makes sewage disposal
After be up to standard smoothly discharge.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of dissolved gas floatator provided by the utility model；
In figure：1. air flotation slot, 2. water inlets, 3. water outlets, 4. water inlet partition plates, 5. first overflow plates, 6. demarcation strips, 7. the
Two overflow plates, 8. water outlet partition plates, 9. inhalant regions, 10. first molten gas release areas, 11. first air supporting Gua Zha areas, 12. second molten gas
Release area, 13. second air supporting Gua Zha areas, 14. exhalant regions, 15. dissolvings, 16. air compressor machines, 17. inlets, 18. reflux pumps,
19. refluxing opening, 20. microbubble generators, 21. dissolved air waters extraction mouth, 22. slag-scrapers, 23. water level control apparatus.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.
As shown in Figure 1, a kind of dissolved gas floatator provided by the utility model, including air flotation slot 1,1 front end of air flotation slot it is upper
Portion is provided with water inlet 2, and the top of 1 rear end of air flotation slot is provided with water outlet 3.
As shown in Figure 1, it is vertically arranged with successively from the front to the back in air flotation slot 1 into water partition plate 4, the first overflow plate 5, demarcation strip
6th, the second overflow plate 7 and water outlet partition plate 8, and partition plate 4, demarcation strip 6 and water outlet partition plate 8 are intake between the bottom of air flotation slot 1
Gap is provided with, the first overflow plate 5 and the second overflow plate 7 are provided with gap between the top of air flotation slot 1.Wherein, separate
Air flotation slot 1 is divided into the level-one air-dissolving air-float Gua Zha areas being connected and two level air-dissolving air-float Gua Zha areas by plate 6；Intake partition plate 4, the
Level-one air-dissolving air-float is scraped slag differentiation and is divided into the inhalant region 9 being sequentially communicated, the first molten gas release area by one overflow plate 5 and demarcation strip 6
10 and the first air supporting Gua Zha area 11, two level air-dissolving air-float is scraped slag and distinguished by demarcation strip 6, the second overflow plate 7 and water outlet partition plate 8 to be divided into
The second molten gas release area 12, the second air supporting Gua Zha areas 13 and exhalant region 14 being sequentially communicated.
As shown in Figure 1, the front end connection water inlet 2 in level-one air-dissolving air-float Gua Zha areas, behind two level air-dissolving air-float Gua Zha areas
End connection water outlet 3；Level-one air-dissolving air-float Gua Zha areas and two level air-dissolving air-float Gua Zha areas are respectively communicated with one group of air-dissolving air-float and scrape slag
System.
As shown in Figure 1, two groups of air-dissolving air-floats, which scrape slag system, includes dissolving 15；The upper end of two dissolvings, 15 side passes through
Pipeline is respectively communicated with air compressor machine 16；The inlet 17 at the top of two dissolving 15 is respectively communicated with reflux pump 18 by pipeline；First gas
The bottom in the bottom in Fu Guazha areas 11 and the second air supporting Gua Zha areas 13 is each provided with refluxing opening 19, another with two reflux pumps 18 respectively
One end is connected；The lower part in the lower part in the first molten gas release area 10 and the second molten gas release area 12 is each provided with microbubble generator
20, it is respectively communicated with the dissolved air water extraction mouth 21 of two dissolvings, 15 bottom；The top in the first air supporting Gua Zha areas 11 and the second air supporting are scraped
The top in slag area 13 is both provided with slag-scraper 22.
As shown in Figure 1, water level control apparatus 23 is additionally provided with water outlet 3 in exhalant region 14.
When the utility model at work, the sky of slag system is scraped by the air-dissolving air-float being connected with level-one air-dissolving air-float Gua Zha areas
Press 16 conveys air to dissolving 15, and reflux pump 18 pumps clear water to dissolving 15, is filled out by the hollow ball in dissolving 15
Material, air water come into full contact with, are forced to be dissolved in water under 0.35Mpa pressure, form dissolved air water, are sent in air flotation slot 1.Prominent
So in the case of release, by microbubble generator 20, the air being dissolved in water separates out, and forms substantial amounts of microbubble group,
Come into full contact with coming by water inlet 2 and after dosing just in flocculated sewage suspended matter, and in slow uphill process
Middle absorption makes its density decline floating to the water surface, scum silica frost is scraped by slag-scraper 22, via row in the suspended matter that wadding has collected
Slag chute is discharged, and most suspended matters, particulate matter during this in sewage are removed, this is coagulation；Dirt after processing
Water continues flow forward, scrapes slag system by the air-dissolving air-float being connected with two level air-dissolving air-float Gua Zha areas and makees two stage treatment（Work
Make the same level-one of principle）, achieve the purpose that to remove SS and CODcr completely.
In the utility model, air flotation slot 1 may be alternatively provided as multistage air-dissolving air-float Gua Zha areas more than three-level or three-level, corresponding
Connect three groups or more than three groups of air-dissolving air-float and scrape slag system, its structure ＆ working mechanism and the molten gas gas of two level in above-described embodiment
Floating slag system of scraping is identical, no longer describes in detail herein.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
New spirit and scope are defined.Therefore, on the premise of not departing from the utility model and design is set, this area ordinary people
The all variations and modifications that member makes the technical solution of the utility model, should fall within the protection scope of the present utility model,
The claimed technology contents of the utility model, have all been recorded in detail in the claims.
Claims (4)
1. a kind of dissolved gas floatator, including air flotation slot, the top of the air supporting front of the slot is provided with water inlet, after the air flotation slot
The top at end is provided with water outlet, it is characterised in that：Middle part in the air flotation slot is vertically arranged with demarcation strip, and the separation
Gap is provided between the bottom of plate and the air flotation slot, the air flotation slot is divided into the level-one air-dissolving air-float being connected and scrapes slag
Area and two level air-dissolving air-float Gua Zha areas；The front end in the level-one air-dissolving air-float Gua Zha areas connects the water inlet, and the two level is molten
The rear end in gas air supporting Gua Zha areas connects the water outlet；Further include two groups of air-dissolving air-floats and scrape slag system, the level-one air-dissolving air-float
Gua Zha areas and the two level air-dissolving air-float Gua Zha areas be respectively communicated with one group described in air-dissolving air-float scrape slag system；
Air-dissolving air-float described in two groups, which scrapes slag system, includes dissolving；The upper end of the two dissolving sides is respectively connected by pipeline
There is air compressor machine；Inlet at the top of two dissolvings is respectively communicated with reflux pump by pipeline；The level-one air-dissolving air-float scrapes slag
The bottom of the bottom of area rear end and the two level air-dissolving air-float Gua Zha areas rear end is respectively arranged with refluxing opening, the molten gas gas of level-one
The lower part of the lower part of Fu Guazha areas front end and the two level air-dissolving air-float Gua Zha areas front end is respectively arranged with microbubble generator；Two
The other end of the reflux pump is corresponding respectively to connect a refluxing opening；The dissolved air water extraction mouth difference of the two dissolving bottoms
One microbubble generator of corresponding connection.
A kind of 2. dissolved gas floatator according to claim 1, it is characterised in that：Set successively from the front to the back in the air flotation slot
It is equipped with into water partition plate, the first overflow plate, the demarcation strip, the second overflow plate and water outlet partition plate, and the water inlet partition plate and described
Water outlet partition plate is provided with gap between the bottom of the air flotation slot, first overflow plate and second overflow plate with
Gap is provided between the top of the air flotation slot, slag is scraped into the level-one air-dissolving air-float Gua Zha areas and the two level air-dissolving air-float
Differentiation is divided into the inhalant region being sequentially communicated, the first molten gas release area, the first air supporting Gua Zha areas, the second molten gas release area, the second gas
Fu Guazha areas and exhalant region.
A kind of 3. dissolved gas floatator according to claim 2, it is characterised in that：Two microbubble generators are set respectively
In the lower part in the described first molten gas release area and the lower part in the second molten gas release area；Two refluxing openings are respectively arranged at institute
State the bottom in the first air supporting Gua Zha areas and the bottom in the second air supporting Gua Zha areas, and the top in the first air supporting Gua Zha areas and
Slag-scraper is both provided with above the second air supporting Gua Zha areas.
A kind of 4. dissolved gas floatator according to claim 3, it is characterised in that：Close to the water outlet in the exhalant region
Place is additionally provided with water level control apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051229.3U CN207294243U (en) | 2017-08-22 | 2017-08-22 | A kind of dissolved gas floatator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051229.3U CN207294243U (en) | 2017-08-22 | 2017-08-22 | A kind of dissolved gas floatator |
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| Publication Number | Publication Date |
|---|---|
| CN207294243U true CN207294243U (en) | 2018-05-01 |
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ID=62443503
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721051229.3U Active CN207294243U (en) | 2017-08-22 | 2017-08-22 | A kind of dissolved gas floatator |
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| CN (1) | CN207294243U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499776A (en) * | 2018-09-26 | 2019-03-22 | 安溪县斯马拓科技发展有限公司 | A kind of partial reflux dissolved air flotation system |
| CN110921747A (en) * | 2019-09-30 | 2020-03-27 | 四川恩特普环保科技有限公司 | Hierarchical air supporting effluent disposal system |
| CN113248061A (en) * | 2021-05-18 | 2021-08-13 | 山东蓝驰环境科技股份有限公司 | A high-efficient multistage dissolved air flotation machine for sewage treatment |
-
2017
- 2017-08-22 CN CN201721051229.3U patent/CN207294243U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499776A (en) * | 2018-09-26 | 2019-03-22 | 安溪县斯马拓科技发展有限公司 | A kind of partial reflux dissolved air flotation system |
| CN110921747A (en) * | 2019-09-30 | 2020-03-27 | 四川恩特普环保科技有限公司 | Hierarchical air supporting effluent disposal system |
| CN113248061A (en) * | 2021-05-18 | 2021-08-13 | 山东蓝驰环境科技股份有限公司 | A high-efficient multistage dissolved air flotation machine for sewage treatment |
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