CN104973647A - Micron-scale dissolved gas air floatation sewage treatment equipment - Google Patents

Micron-scale dissolved gas air floatation sewage treatment equipment Download PDF

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Publication number
CN104973647A
CN104973647A CN201510440786.3A CN201510440786A CN104973647A CN 104973647 A CN104973647 A CN 104973647A CN 201510440786 A CN201510440786 A CN 201510440786A CN 104973647 A CN104973647 A CN 104973647A
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China
Prior art keywords
air
water
throw
microbubble generator
microbubble
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Granted
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CN201510440786.3A
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Chinese (zh)
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CN104973647B (en
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刘春梅
顿红军
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Chengdu Jiasheng Electromechanical Equipment Co Ltd
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Chengdu Jiasheng Electromechanical Equipment Co Ltd
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Abstract

The invention discloses micron-scale dissolved gas air floatation sewage treatment equipment comprising a water pump, a compressed air energy storage distributor, a dissolved gas cylinder, a dissolved gas water pressure-sharing energy storage pipe and a reaction tank body, wherein at least one group of micro bubble generators is fixedly arranged in the dissolved gas cylinder; each group of the micro bubble generators is fixed with the dissolved gas cylinder by virtue of a micro bubble generator base matched with the group of the micro bubble generators; an air chamber is reserved between the micro bubble generators and the micro bubble generator base; each micro bubble generator is a ceramic sand grain sintered body; a compressed air energy storage device is connected with an air compressor, and is connected with the dissolved gas cylinder by virtue of a compressed air flow guide pipe; and the compressed air flow guide pipe is in one-to-one correspondence with the micro bubble generator base. The equipment disclosed by the invention is low in energy consumption, practical, convenient to maintain, low in fault rate and simple and convenient to operate, and can be widely applied to water treatment of the industries of sewage, wastewater, drinking water, ozone water and aquiculture.

Description

A kind of micron order air-dissolving air-float sewage disposal device
Technical field
The present invention relates to a kind of sewage disposal device, be specifically related to a kind of micron order air-dissolving air-float sewage disposal device.
Background technology
Very serious in China's industrial water pollution phenomenon, mainly River Water Pollution; At present in more than 500 large rivers, have the pollution that more than 80% is subject in various degree, this is all because the direct exhaust emission of trade effluent caused; Flow through the important river, big city in the whole nation more than 40%, the river of 90% is all subject to pollution in various degree, threatens greatly and injury healthy the causing of environmental ecology and resident.
The process quality key of waste water or sewage is molten mechanism of qi, but the molten mechanism of qi that water treating equipment produced in the market are supporting, all in ubiquity production process generate that bubble large, molten gas flocculation mixed effect is bad, dissolved-air head easily blocks, can not the shortcoming of back flushing recycling, and failure rate is high, maintenance cost is high, energy consumption is high, the trade effluent that processed is not up to standard, accumulate over a long period thus increase river polluting status and get twice the result with half the effort.
Summary of the invention
The invention provides one can make gas duck in drink formation microbubble, the micron order sewage disposal device that molten gas flocculating effect is good.
The technical solution used in the present invention is: a kind of micron order air-dissolving air-float sewage disposal device, comprises water pump, compressed-air energy storage divider, molten air cylinder, dissolved air water all press energy-storage tube and reaction tank body; Described water pump is connected with molten air cylinder bottom by water-supply pipe; Described molten air cylinder internal fixtion is provided with at least one group of microbubble generator; Often organize microbubble generator to be fixed by the microbubble generator pedestal that matches with it and molten air cylinder; Air cavity is left between described microbubble generator and microbubble generator pedestal; Described microbubble generator is ceramic sand grains sintered compact; Described compressed-air energy storage device is connected with air compressor, is connected with molten air cylinder by pressurized air thrust-augmenting nozzle; Described pressurized air thrust-augmenting nozzle and microbubble generator pedestal one_to_one corresponding; Described compressed-air energy storage device lower end is provided with compressed air control valve; Dissolved air water all presses energy-storage tube to connect the dissolved air water water outlet on molten air cylinder top by dissolved air water hydraulic pipe; Dissolved air water all presses energy-storage tube outer setting to have at least one group of dissolved air water release head; Dissolved air water release head is arranged in reaction tank body, is provided with sewage inlet below it; Described reaction tank body bottom is provided with clear water output.
As preferably, described microbubble generator pedestal periphery is provided with microbubble generator pedestal and supports; Be interconnected by microbubble generator union lever between described microbubble pedestal.
As preferably, described microbubble generator is resin wheel disk or quartz sand stripe shape knot body.
As preferably, around described dissolved air water release head, be provided with the balanced water conservancy diversion flashboard of sewage; Mixed flocculation flow deflector is provided with between described dissolved air water release head and sewage inlet; Described dissolved air water release head is transversal orientation aeration release head.
As preferably, described each microbubble generator pedestal is provided with two groups of relative microbubble generators, between two groups of microbubble generators, there is cavity.
As preferably, described reaction tank body top is provided with throw out scraper plate; Described throw out scraper plate is connected with sprocket wheel by chain; Sprocket wheel connects motor and speed reducer simultaneously.
As preferably, described throw out scraper plate is connected with throw out scraper plate guide plate.
As preferably, tilt from top to bottom bottom the body of described reaction tank pond, bottom is provided with throw out cleaning spiral; Throw out cleaning spiral is connected with throw out sensor; Throw out sensor and the equal connected electromagnetic valve of throw out spiral.
As preferably, in described reaction tank body, below one end, throw out scraper plate guide plate, be provided with throw out grid pond; Described throw out cleaning spiral is shaftless screw or sludge pump.
As preferably, described compressed-air energy storage divider is provided with tensimeter.
The invention has the beneficial effects as follows:
(1) synchronously generate microbubble during online production of the present invention effectively to mix with sewage, flocculating effect is good;
(2) low, practical easy to maintenance, the failure rate is low of energy consumption of the present invention, simple to operate;
(3) structure of the present invention is simple, good sewage processing effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is side plane structure schematic diagram of the present invention.
Fig. 3 is front plan structural representation of the present invention.
Fig. 4 is side of the present invention sectional structure schematic diagram.
Fig. 5 is the present invention's molten air cylinder internal structure schematic diagram.
Fig. 6 is sewage inlet schematic diagram of the present invention.
In figure: 1-water pump, 2-water-supply pipe, 3-compressed-air energy storage divider, 4-pressurized air thrust-augmenting nozzle, 5-compressed air control valve, 6-tensimeter, 7-microbubble generator, 8-microbubble generator pedestal, 9-microbubble generator pedestal supports, 10-microbubble generator union lever, the molten air cylinder of 11-, 12-dissolved air water water outlet, 13-dissolved air water hydraulic pipe, 14-dissolved air water all presses energy-storage tube, 15-dissolved air water release head, 16-sewage inlet, 17-sewage water distributor, 18-sewage balanced water outlet water conservancy diversion flashboard, 19-mixed flocculation flow deflector, 20-reaction tank body, 21-motor, 22-step-down gear, 23-sprocket wheel, 24-chain, 25-throw out scraper plate, 26-throw out scraper plate guide plate, 27-throw out grating tank, 28-throw out cleaning spiral, 29-magnetic valve, 30-clear water output.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in figures 1 to 6, a kind of micron order air-dissolving air-float sewage disposal device, comprises water pump 1, compressed-air energy storage divider 3, molten air cylinder 11, dissolved air water all presses energy-storage tube 14 and reaction tank body 20; Described water pump 1 is connected with molten air cylinder 11 bottom by water-supply pipe 2; Described molten air cylinder 11 internal fixtion is provided with at least one group of microbubble generator 7; Often organize microbubble generator 7 to be fixed with molten air cylinder 11 by the microbubble generator pedestal 8 matched with it; Air cavity is left between described microbubble generator 7 and microbubble generator pedestal 8; Described microbubble generator 7 is ceramic sand grains sintered compact; Described compressed-air energy storage device 3 is connected with air compressor, is connected with molten air cylinder 11 by pressurized air thrust-augmenting nozzle 4; Described pressurized air thrust-augmenting nozzle 4 and microbubble generator pedestal 8 one_to_one corresponding; Described compressed-air energy storage device 3 lower end is provided with compressed air control valve 5; Dissolved air water all presses energy-storage tube 14 to connect the dissolved air water water outlet 12 on molten air cylinder 11 top by dissolved air water hydraulic pipe 13; Dissolved air water all presses energy-storage tube 14 outer setting to have at least one group of dissolved air water release head 15; Dissolved air water release head 15 is arranged in reaction tank body 20, is provided with sewage inlet 16 below it; Described reaction tank body 20 bottom is provided with clear water output 30; Microbubble generator 7 can produce microbubble, and there is cavity between microbubble generator pedestal 8, the long-living uniform bubble of microbubble generator 7 can be made, having enough water storages to during microbubble generator 7 anti-blocking back flushing, dissolved air water smooth flow mixing comprehensively and effectively with pressurized air in molten air cylinder 11 can be ensured.
Described microbubble generator pedestal 8 periphery is provided with microbubble generator pedestal and supports 9, can ensure there is certain spacing between microbubble generator pedestal 8 and molten air cylinder 11, ensures the mobility of dissolved air water in shell 11 further; Be interconnected by microbubble generator union lever 10 between described microbubble pedestal 8; Arrange microbubble generator union lever 10 can combine the group number of microbubble generator 7 and adjust, be convenient to realize dismounting and assembling.
Described microbubble generator 7 is resin wheel disk or quartz sand stripe shape knot body.
The balanced water conservancy diversion flashboard 18 of sewage is provided with around described dissolved air water release head 15; Mixed flocculation flow deflector 19 is provided with between described dissolved air water release head 15 and sewage inlet 16; Described dissolved air water release head 15 is transversal orientation aeration release head; After forming mixing water containing the sewage or waste water being added with flocculation spice, the dissolved air water that can eject with dissolved air water release head 15 within the shortest time is organic to be mixed, and forms microbubble wrap film; Mixed flocculation flow deflector 19 can force microbubble wrap film under the effect of mixed flocculation flow deflector 19, increase miles of relative movement and the time reaches repeatedly by formation inclusion, realize the process quality improved further sewage or waste water, the surging force of current can be slowed down simultaneously, prevent the floating upward quickly collision bubbles burst of wrap film, reach mild wrap film being led and float to pool surface and throw out scraper plate 25 can be facilitated to scrape filtering remove.
Described each microbubble generator pedestal 8 is provided with between two groups of relative microbubble generators, 7, two groups of microbubble generators 7 and there is cavity; The growing amount of bubble can be increased.
Described reaction tank body 20 top is provided with throw out scraper plate 25; Described throw out scraper plate 25 is connected with sprocket wheel 23 by chain 24; Sprocket wheel 23 connects motor 21 and step-down gear 22 simultaneously; Can be convenient throw out be scraped; Described throw out scraper plate 25 is connected with throw out scraper plate guide plate 26.
Tilt from top to bottom bottom the body of described reaction tank body 20 pond, bottom is provided with throw out cleaning spiral 28; Throw out cleaning spiral 28 is connected with throw out sensor; Throw out sensor and throw out spiral 28 all connected electromagnetic valves 29; Automatic throw out can be realized to remove.
Throw out grid pond 27 is provided with below one end, throw out scraper plate guide plate 26 in described reaction tank body 20; Described throw out cleaning spiral 28 is shaftless screw or sludge pump; Can be convenient suspended substance be drained.
Described compressed-air energy storage divider 3 is provided with tensimeter 6; Can the convenient force value shown intuitively in compressed-air energy storage divider 3.
During use, open water pump 1, water is entered in molten air cylinder 22 by water-supply pipe 2, provides the water needed for molten gas; Microbubble generator 7 in molten air cylinder 11 is immersed in the water in molten air cylinder 11; Open the air compressor be connected with compressed-air energy storage divider 3, compressed-air energy storage divider 3 is all pressed by pressurized air thrust-augmenting nozzle 4 and is distributed to each group of microbubble generator pedestal 8, makes each group microbubble generator 7 have balanced microbubble existence amount; Compressed air require realizes air given flow by the compressed air control valve 5 being arranged at compressed-air energy storage device 3 bottom and controls; Make it have an even fine and closely woven microbubble to generate, compressed-air actuated pressure can show from tensimeter 6 intuitively; Only need compressed-air actuated pressure slightly larger than the pressure of supply water of dissolved air water in use, the growing amount of such guarantee bubble in dissolved air water; The size that microbubble generator 7 generates microbubble in water depends on the hydraulic pressure in the stomatal frequency of microbubble generator and cylindrical shell, the bubble formed in water when hydraulic pressure is large is small and dense, but hydraulic pressure can not higher than compressed air pressure, so just can guarantee that gas ducks in drink and form more small microbubble, to improve molten gas effect; In operational process, do not need the additionaling power energy, can energy-conserving action be played.
Molten gas mixing water after molten gas all presses energy-storage tube through molten gas output tube 13 direct closed loop supply dissolved air water, dissolved air water is evenly arranged at the dissolved air water release head of dissolved air water even energy-storage tube 13 outside by establishing, be discharged into there is the dissolved air water vectored injection of certain pressure in sewage or waste water; Because dissolved air water release head 15 water outlet water conservancy diversion balanced with sewage flashboard 18 is disposed adjacent, mix so the mixing water dissolved air water that can eject with dissolved air water release head 15 within the shortest time that formed of the sewage or waste water being added with flocculation agent spice is organic, form microbubble wrap film very soon; Microbubble wrap film to be led by mixed flocculation flow deflector 19 and is floated to reaction tank body 20 surface by microbubble wrap film; The throw out scraper plate 25 being arranged at reaction tank body 20 surface moves around along reaction tank body 20 upper surface on reaction tank body 20 top, is cleared up by suspended substance; When the one end of going and arriving reaction tank body 20 scraped by throw out scraper plate 25, meeting and throw out scraper plate guide plate 26 friction contact, throw out scraper plate 25 is slowly raised and after filtering part water, is scraped by throw out in throw out grating tank 27 and drained by suspended substance by the effect through throw out scraper plate guide plate 26.
Also can produce part alluvial throw out in production process, can by the slope bottom reaction tank body 20 by too much precipitate at the bottom of pond; When throw out sensor sensing is many to throw out amount, information can be passed to housing, housing Controlling solenoid valve 29 is opened, and drives throw out cleaning spiral 28 to be screwed out by throw out; Clear water is after treatment discharged by the Graceful mouth of a river 30; Whole device is controlled by housing, realizes the automatization of producing; Microbubble generator 7 and microbubble generator pedestal 8 directly can be arranged at the import of sewage water distributor 17 by interblock gap, directly process sewage.
The present invention can synchronously generate microbubble and effectively mixes with sewage, waste water during online production, the effective contact by multistage microbubble producer 7 in air-dissolving apparatus of sewage, waste water forms saturated dissolved gas water, again by being embedded in the multiple all pressures release heads 15 in waste water or sewage lagoon, being discharged in waste water or sewage flocculates with the organic suspended matter in water combines, form a microbubble wrap film, suspended substance is floated on reaction tank body 20 surface and wait for that straining filtering removes, and fundamentally substantially increases sewage and microbubble mixed effect.
Be that air micron order is water-soluble to the critical process in sewage treatment process, if air bubble can be formed in sewage reach micron order, then its molten gas flocculating effect is with very good; Because gas ducks in drink the less density of formation, its specific surface area higher is larger, the throw out combination rate of energy in time and in water is with very high, its parcel bubble flocs unit forms microbial film effect with very well, namely fundamentally improves water treatment quality and serves good useful pushing effect.
The present invention has the advantages such as energy consumption is low, practical easy to maintenance, failure rate is low, simple to operate, efficiency is high, structure is simple, appearance design is compact, can be widely used in the water treatment of the industries such as waste water, sewage, tap water, ozone water, aquaculture.
Above-mentioned embodiment is intended to illustrate that the present invention can be professional and technical personnel in the field and realizes or use; modifying to above-mentioned embodiment will be apparent for those skilled in the art; therefore the present invention includes but be not limited to above-mentioned embodiment; any these claims or specification sheets of meeting describes; meet and principle disclosed herein and novelty, the method for inventive features, technique, product, all fall within protection scope of the present invention.

Claims (10)

1. a micron order air-dissolving air-float sewage disposal device, is characterized in that: comprise water pump (1), compressed-air energy storage divider (3), molten air cylinder (11), dissolved air water all press energy-storage tube (14) and reaction tank body (20); Described water pump (1) is connected with molten air cylinder (11) bottom by water-supply pipe (2); Described molten air cylinder (11) internal fixtion is provided with at least one group of microbubble generator (7); Often organize microbubble generator (7) to be fixed with molten air cylinder (11) by the microbubble generator pedestal (8) matched with it; Air cavity is left between described microbubble generator (7) and microbubble generator pedestal (8); Described microbubble generator (7) is ceramic sand grains sintered compact; Described compressed-air energy storage device (3) is connected with air compressor, is connected to molten air cylinder (11) by the pressurized air thrust-augmenting nozzle (4) matched with microbubble generator pedestal (8); Described compressed-air energy storage device (3) lower end is provided with compressed air control valve (5); Dissolved air water all presses energy-storage tube (14) to connect the dissolved air water water outlet (12) on molten air cylinder (11) top by dissolved air water hydraulic pipe (13); Dissolved air water all presses energy-storage tube (14) outer setting to have at least one group of dissolved air water release head (15); Dissolved air water release head (15) is arranged in reaction tank body (20), is provided with sewage inlet (16) below it; Described reaction tank body (20) bottom is provided with clear water output (30).
2. a kind of micron order air-dissolving air-float sewage disposal device according to claim 1, is characterized in that: described microbubble generator pedestal (8) periphery is provided with microbubble generator pedestal and supports (9); Be interconnected by microbubble generator union lever (10) between described microbubble pedestal (8).
3. a kind of micron order air-dissolving air-float sewage disposal device according to claim 1, is characterized in that: described microbubble generator (7) is resin wheel disk or quartz sand stripe shape knot body.
4. a kind of micron order air-dissolving air-float sewage disposal device according to claim 1, is characterized in that: described dissolved air water release head (15) is provided with balanced water conservancy diversion flashboard (18) of sewage around; Mixed flocculation flow deflector (19) is provided with between described dissolved air water release head (15) and sewage inlet (16); Described dissolved air water release head (15) is transversal orientation aeration release head.
5. a kind of micron order air-dissolving air-float sewage disposal device according to claim 1, it is characterized in that: described each microbubble generator pedestal (8) is provided with two groups of relative microbubble generators (7), between two groups of microbubble generators (7), there is cavity.
6. a kind of micron order air-dissolving air-float sewage disposal device according to claim 1, is characterized in that: described reaction tank body (20) top is provided with throw out scraper plate (25); Described throw out scraper plate (25) is connected with sprocket wheel (23) by chain (24); Sprocket wheel (23) connects motor (21) and step-down gear (22) simultaneously.
7. a kind of micron order air-dissolving air-float sewage disposal device according to claim 6, is characterized in that: described throw out scraper plate (25) is connected with throw out scraper plate guide plate (26).
8. a kind of micron order air-dissolving air-float sewage disposal device according to claim 6, is characterized in that: tilt from top to bottom bottom the body of described reaction tank (20) pond, bottom is provided with throw out cleaning spiral (28); Throw out cleaning spiral (28) is connected with throw out sensor; Throw out sensor and throw out spiral (28) all connected electromagnetic valves (29).
9. a kind of micron order air-dissolving air-float sewage disposal device according to claim 8, is characterized in that: the interior one end of described reaction tank body (20), throw out scraper plate guide plate (26) below are provided with throw out grid pond (27); Described throw out cleaning spiral (28) is shaftless screw or sludge pump.
10. a kind of micron order air-dissolving air-float sewage disposal device according to claim 1, is characterized in that: described compressed-air energy storage divider (3) is provided with tensimeter (6).
CN201510440786.3A 2015-07-24 2015-07-24 A kind of micron order air-dissolving air-float sewage disposal device Expired - Fee Related CN104973647B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947004A (en) * 2018-07-10 2018-12-07 绍兴市南洋染织有限公司 A kind of compound pond of precipitation-air-flotation

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KR101166457B1 (en) * 2012-05-31 2012-07-19 주식회사 케이디 Apparatus for generating micro bubbles with two stage complex structure including vortex generating part and vortex removing part and method for generating micro bubbles using that
CN103755094A (en) * 2013-12-30 2014-04-30 四川环能德美科技股份有限公司 Magnetic disk unit with reoxygenation and purification functions
CN205087956U (en) * 2015-07-24 2016-03-16 成都嘉晟机电设备有限公司 Micron order dissolves gas air supporting sewage treatment device

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EP1914016A1 (en) * 2006-10-19 2008-04-23 Societa' Italiana Acetile e Derivati S.I.A.D. in abbreviated form SIAD S.p.A. Groundwater decontamination system through in situ injection of oxidant and/or riducent gases
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CN201694863U (en) * 2009-12-29 2011-01-05 上海亚同环保实业股份有限公司 Integrated pressurized dissolved-air flotation device
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947004A (en) * 2018-07-10 2018-12-07 绍兴市南洋染织有限公司 A kind of compound pond of precipitation-air-flotation
CN108947004B (en) * 2018-07-10 2021-04-13 绍兴市南洋染织有限公司 Sedimentation and air flotation composite tank

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