CN204702599U - A kind of dissolved air flotation device - Google Patents
A kind of dissolved air flotation device Download PDFInfo
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- CN204702599U CN204702599U CN201520276808.2U CN201520276808U CN204702599U CN 204702599 U CN204702599 U CN 204702599U CN 201520276808 U CN201520276808 U CN 201520276808U CN 204702599 U CN204702599 U CN 204702599U
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Abstract
The utility model discloses a kind of multistage dissolved air flotation device, be mainly used in sewage disposal.This equipment is made up of gear type gas dissolver and multistage air-dissolving air-float storehouse two portions.The mode that gear type gas dissolver is smashed by mechanical stirring carries out gas-liquid mixed process, and purifying treatment is carried out to sewage in three stages in multistage air-dissolving air-float storehouse.The more traditional air-floating apparatus of the utility model is compared, and have bubble evenly fine and closely woven, processing efficiency is high, the feature that processing accuracy is high.
Description
Technical field
The present invention relates to a kind of air-floating apparatus, be mainly used in sewage disposal, particularly relate to a kind of dissolved air flotation device.
Background technology
In traditional wastewater treating processes, air-floating apparatus mainly adopts the method such as pressurized dissolved air flotation is sent out, electrolytic process to form micro-bubble, and bubble floats removal of impurities of rising after adhesion suspended substance in rectangular pool.In traditional air-floating apparatus, there is the shortcoming that bubble formation power consumption is excessive, high-pressure system safety coefficient is low, and the efficiency using conventional single air floatation pond to carry out air supporting removal of impurities is low, limited in one's ability to heavier impurity treatment.
Utility model content
The purpose of this utility model is exactly the shortcoming overcoming prior art equipment, provides a kind of multistage dissolved air flotation device, and this device utilizes the method for circumgyration incision to form microbubble, and adopts the multistage air flotation pool optimized to increase processing power and processing accuracy.The present invention realizes by the following technical solutions:
A kind of dissolved air flotation device, comprise air-dissolving air-float storehouse and one-level sump oil pre-treatment storehouse mixed stream enters storekeeper, its special feature is: also comprise gear type gas dissolver, described gear type gas dissolver comprises air-dissolving apparatus, shaft coupling and electric motor, air-dissolving apparatus is connected by shaft coupling with electric motor, described air-dissolving apparatus comprises mixed flow body cavity, mixing gear, wastewater inlet, inlet mouth and mixed stream outlet, combination tooth wheel is positioned at mixed stream chamber, wastewater inlet is arranged on mixed flow body cavity and is also communicated with mixed flow body cavity, inlet mouth is arranged on wastewater inlet and the sidewall running through wastewater inlet makes one end of inlet mouth be arranged in wastewater inlet pipeline, mixed stream outlet is arranged at the opposite side of mixed flow body cavity, mixed stream outlet enters storekeeper by one-level sump oil pre-treatment storehouse mixed stream and is communicated with air-dissolving air-float storehouse.
Preferred the utility model dissolved air flotation device also comprises gear type gas dissolver I and gear type gas dissolver II, and described air-dissolving air-float storehouse comprises one-level sump oil pre-treatment storehouse, secondary suspended particle removes storehouse, three grades of effluent qualities strengthen storehouses and manifold system; Storehouse is removed in one-level sump oil pre-treatment storehouse, secondary suspended particle and three grades of effluent quality strengthening storehouses include dregs scraper, swash plate intensive, scum pipe and blow-off pipe; One-level sump oil pre-treatment storehouse and secondary suspended particle are removed storehouse and are also comprised clear water water leg; Three grades of effluent quality strengthening storehouses also comprise clear water output and water quality strengthening filler module; Described manifold system comprises secondary suspended particle and removes that storehouse mixed stream enters storekeeper, three grades of effluent qualities strengthening storehouse mixed streams enter storekeeper, communicating pipe I and communicating pipe II; Communicating pipe I one end is communicated with the clear water water leg in one-level sump oil pre-treatment storehouse, the other end is communicated with the wastewater inlet of gear type gas dissolver I, the mixed stream outlet of gear type gas dissolver I and secondary suspended particle removal storehouse mixed stream enter storekeeper and are communicated with, and the other end that secondary suspended particle removal storehouse mixed stream enters storekeeper is communicated with secondary suspended particle removal storehouse; The clear water water leg that storehouse is removed with secondary suspended particle in communicating pipe II one end is communicated with, the other end is communicated with the wastewater inlet of gear type gas dissolver II, the mixed stream outlet of gear type gas dissolver II and three grades of effluent qualities strengthening storehouse mixed streams enter storekeeper and are communicated with, and three grades of effluent qualities are strengthened the other end that storehouse mixed stream enters storekeeper and strengthened storehouses with three grades of effluent qualities and be communicated with.
Above-mentioned manifold system also comprises the valve be arranged in each pipeline, under meter and on-line monitoring instrument annex.
Compared with prior art, this beneficial effect of the invention is:
1, the gear type gas dissolver that system adopts replaces the molten gas of conventional press formula and electrolyzing air-dissolving apparatus, has that bubble is fine and closely woven, safe and reliable, low power consuming, advantage easy and simple to handle.
2, treatment scheme adopts multistage air-dissolving air-float pool process, considerably increases treatment scheme and processing efficiency, makes water outlet every water-quality guideline parameter all be better than traditional single air flotation pool flow process.
3, system architecture is simple, and be easy to debugging, stable, system can carry out the first closed-loop control, ensures the water treatment effect under high pollution thing state.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is gear type gas dissolver structural representation;
In figure: 1-one-level sump oil pre-treatment storehouse, 2-secondary suspended particle removes storehouse, 3-tri-grades of effluent quality strengthening storehouses, 4-dregs scraper, 5-swash plate intensive, 6-scum pipe, 7-clear water water leg, 8-clear water output, 9-gear type gas dissolver, 10-one-level sump oil pre-treatment storehouse mixed stream enters storekeeper, 11-secondary suspended particle is removed storehouse mixed stream and is entered storekeeper, 12-tri-grades of effluent quality strengthening storehouse mixed streams enter storekeeper, 13-blow-off pipe, 14-communicating pipe I, 15-water quality strengthening filler module, 16-wastewater inlet, 17-inlet mouth, 18-mixed stream exports, 19-shaft coupling, 20-electric motor, 21-mixing gear, 22-mixed flow body cavity, 23-communicating pipe II, 24-gear type gas dissolver I, 25-gear type gas dissolver II.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described:
Seeing Fig. 2, is the utility model middle gear formula gas dissolver structural representation, comprises wastewater inlet 16, inlet mouth 17, mixed stream outlet 18, shaft coupling 19, electric motor 20, mixed flow body cavity 22 and mixing gear 21.Electric motor 20 is the propulsion source of this device, and it drives mixing gear 21 to produce high speed rotating by shaft coupling 19.Sewage and body of calming the anger with pressure enter mixed flow body cavity 22 respectively by wastewater inlet 16 and inlet mouth 17, merge by carrying out rotation during mixing gear 21, the broken micro-bubble for 20-50um of high pressure gas and sewage form " plain boiled water " mixed flow and enter multistage air-dissolving air-float storehouse.
See Fig. 1, it is multistage air-dissolving air-float chamber structure schematic diagram in the utility model, this device technique flow process is: sewage is introduced gas by gear type gas dissolver 9 and formed mixed flow and enter storekeeper 10 along one-level sump oil pre-treatment storehouse mixed stream and enter one-level sump oil pre-treatment storehouse 1, do not have chemical agent to add in this district, this district removes as much as possible and reclaims crude oil so that next step process.Swash plate intensive 5 is used for providing enough surface-area that solid particulate matter or oil are separated with water in limited occupation of land space, and the oil content in water inlet will float to surface and form oil slick.Oil slick enters dreg collecting slot by dregs scraper 4, finally carries out outer row by scum pipe 6 and collects.Heavier particulate matter can be discharged to bottom blow-down pipe 13 by gravity settling.In one-level sump oil pre-treatment storehouse 1, clear water after treatment enters clear water water leg 7 and enters secondary suspended particle along communicating pipe I 14 and removes storehouse 2.It is flocculation reaction process storehouse that secondary suspended particle removes storehouse 2, in order to farthest remove residual oil content and solid particulate matter, secondary suspended particle is removed storehouse 2 and is repeated to enter three grades of effluent quality strengthening storehouses 3 along communicating pipe II23 after one-level sump oil pre-treatment storehouse 1 flow process is separated again.Water quality strengthening filler module 15 is entered after further flocculation reaction separating treatment is carried out in three grades of effluent quality strengthening storehouses 3, water quality strengthening filler module 15 adopts stuffing box to design, these fillers not only can by the solid particulate matter in " effect of wandering about as a refugee " further trap water, and can sterilizing agent be promoted, and the mixing of other advanced treatment chemical agents.The chemical agent of advanced treatment adds to be determined being the requirement of effluent quality according to each engineering project, the final clear water formed is discharged by clear water output 8.
Described multistage air-dissolving air-float storehouse is provided with gear type gas dissolver three cover, and corresponding one-level sump oil pre-treatment storehouse 1, secondary suspended particle remove effluent quality strengthening storehouse 3,2, three grades, storehouse respectively; Be provided with dregs scraper 4 three cover, be installed on one-level sump oil pre-treatment storehouse 1, effluent quality strengthening storehouse 3,2, three grades, secondary suspended particle removal storehouse respectively; Be provided with scum pipe 6 three cover, be installed on one-level sump oil pre-treatment storehouse 1, effluent quality strengthening storehouse 3,2, three grades, secondary suspended particle removal storehouse respectively; Be provided with clear water water leg two cover, be installed on one-level sump oil pre-treatment storehouse 1 respectively, secondary suspended particle removes storehouse 2; Be provided with blow-off pipe 13 3 cover, be installed on one-level sump oil pre-treatment storehouse 1, effluent quality strengthening storehouse 3,2, three grades, secondary suspended particle removal storehouse respectively.
Described gear type gas dissolver, comprises the air-dissolving apparatus and electric motor 20 that are connected by shaft coupling 19, and air-dissolving apparatus is respectively equipped with wastewater inlet 16, inlet mouth 17, mixed stream outlet 18, and rotates the gas in chopping mixed stream by mixing gear 21; Main mixing functions parts are mixing gear 21, carry out cutting and crushing, form uniform bubble by mechanical tooth to the gas in mixed stream.
The principle of work of this multistage dissolved air flotation device is: utilize high pressure solution gas principle, produce highdensity microbubble dissolved air water to mix with sewage, microbubble in floating-upward process by impurity adhesive bands such as oil slick lighter in sewage, suspended substances to liquid level, and to be removed by dregs scraper 4.Meanwhile, the swash plate intensive 5 in each storehouse is by the effect of " shallow pool principle ", and clarification of being sunk rapidly by the impurity such as heavier mud in sewage, is concentrated at the bottom of storehouse, and removed by blow-off pipe 13.
This device is through test simulation, respond well, has that separation efficiency is high, separation accuracy high, is effective renewal product of traditional air-floating apparatus.
Claims (3)
1. a dissolved air flotation device, comprise air-dissolving air-float storehouse and one-level sump oil pre-treatment storehouse mixed stream enters storekeeper, it is characterized in that: also comprise gear type gas dissolver, described gear type gas dissolver comprises air-dissolving apparatus, shaft coupling and electric motor, air-dissolving apparatus is connected by shaft coupling with electric motor, described air-dissolving apparatus comprises mixed flow body cavity, mixing gear, wastewater inlet, inlet mouth and mixed stream outlet, combination tooth wheel is positioned at mixed stream chamber, wastewater inlet is arranged on mixed flow body cavity and is also communicated with mixed flow body cavity, inlet mouth is arranged on wastewater inlet and the sidewall running through wastewater inlet makes one end of inlet mouth be arranged in wastewater inlet pipeline, mixed stream outlet is arranged at the opposite side of mixed flow body cavity, mixed stream outlet enters storekeeper by one-level sump oil pre-treatment storehouse mixed stream and is communicated with air-dissolving air-float storehouse.
2. dissolved air flotation device according to claim 1, it is characterized in that: also comprise gear type gas dissolver I and gear type gas dissolver II, described air-dissolving air-float storehouse comprises one-level sump oil pre-treatment storehouse, secondary suspended particle removal storehouse, three grades of effluent qualities strengthening storehouses and manifold system; Storehouse is removed in one-level sump oil pre-treatment storehouse, secondary suspended particle and three grades of effluent quality strengthening storehouses include dregs scraper, swash plate intensive, scum pipe and blow-off pipe; One-level sump oil pre-treatment storehouse and secondary suspended particle are removed storehouse and are also comprised clear water water leg; Three grades of effluent quality strengthening storehouses also comprise clear water output and water quality strengthening filler module; Described manifold system comprises secondary suspended particle and removes that storehouse mixed stream enters storekeeper, three grades of effluent qualities strengthening storehouse mixed streams enter storekeeper, communicating pipe I and communicating pipe II; Communicating pipe I one end is communicated with the clear water water leg in one-level sump oil pre-treatment storehouse, the other end is communicated with the wastewater inlet of gear type gas dissolver I, the mixed stream outlet of gear type gas dissolver I and secondary suspended particle removal storehouse mixed stream enter storekeeper and are communicated with, and the other end that secondary suspended particle removal storehouse mixed stream enters storekeeper is communicated with secondary suspended particle removal storehouse; The clear water water leg that storehouse is removed with secondary suspended particle in communicating pipe II one end is communicated with, the other end is communicated with the wastewater inlet of gear type gas dissolver II, the mixed stream outlet of gear type gas dissolver II and three grades of effluent qualities strengthening storehouse mixed streams enter storekeeper and are communicated with, and three grades of effluent qualities are strengthened the other end that storehouse mixed stream enters storekeeper and strengthened storehouses with three grades of effluent qualities and be communicated with.
3. dissolved air flotation device according to claim 2, is characterized in that: described manifold system also comprises the valve be arranged in each pipeline, under meter and on-line monitoring instrument annex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520276808.2U CN204702599U (en) | 2015-04-30 | 2015-04-30 | A kind of dissolved air flotation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520276808.2U CN204702599U (en) | 2015-04-30 | 2015-04-30 | A kind of dissolved air flotation device |
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| CN204702599U true CN204702599U (en) | 2015-10-14 |
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| CN201520276808.2U Active CN204702599U (en) | 2015-04-30 | 2015-04-30 | A kind of dissolved air flotation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587298A (en) * | 2016-12-13 | 2017-04-26 | 北京中科润金环保工程股份有限公司 | Oil removing and coagulating sedimentation device for oil field waste liquid treatment |
| CN115138227A (en) * | 2022-05-24 | 2022-10-04 | 中广核检测技术有限公司 | Nuclear condenser leak testing tracer gas-liquid mixing device |
-
2015
- 2015-04-30 CN CN201520276808.2U patent/CN204702599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587298A (en) * | 2016-12-13 | 2017-04-26 | 北京中科润金环保工程股份有限公司 | Oil removing and coagulating sedimentation device for oil field waste liquid treatment |
| CN115138227A (en) * | 2022-05-24 | 2022-10-04 | 中广核检测技术有限公司 | Nuclear condenser leak testing tracer gas-liquid mixing device |
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Effective date of registration: 20160711 Address after: 457001 No. 22 civilized road, Henan City, Puyang Province Patentee after: Puyang run petroleum engineering technology Co., Ltd. Address before: 100102 Beijing City, Chaoyang District Lize Park No. 106 4 4O9A Patentee before: BEIJING GREENOIL ENVIRONMENTAL PROTECTION ENGINEERING CO., LTD. |