CN202643458U - Air-floatation filter integration water treatment device - Google Patents

Air-floatation filter integration water treatment device Download PDF

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Publication number
CN202643458U
CN202643458U CN 201220244948 CN201220244948U CN202643458U CN 202643458 U CN202643458 U CN 202643458U CN 201220244948 CN201220244948 CN 201220244948 CN 201220244948 U CN201220244948 U CN 201220244948U CN 202643458 U CN202643458 U CN 202643458U
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China
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air
water
valve
pond
flotation pool
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Expired - Lifetime
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CN 201220244948
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Chinese (zh)
Inventor
王彦成
李桂平
杨海清
丁士兵
郝彦春
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BEIJING ORIGIN WATER ENVIRONMENTAL ENGINEERING Co Ltd
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BEIJING ORIGIN WATER ENVIRONMENTAL ENGINEERING Co Ltd
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Priority to CN 201220244948 priority Critical patent/CN202643458U/en
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Abstract

An air-floatation filter integration water treatment device comprises an air dissolving pump, an air dissolving tank, an adjustable dissolved air releasing system, a shear water spraying system, an air-floatation pond, a roller slag-scraping system, a filter pond, a backwashing air blower and a backwashing pump. A water outlet of the air dissolving pump is divided into two branches, one branch passes through the air dissolving tank and is connected with the adjustable dissolved air releasing system in the air-floatation pond, and the other branch is connected with the shear water spraying system in the air-floatation pond. The air-floatation pond is provided with the roller slag-scraping system, the filter pond is arranged near to the air-floatation pond, and the filter pond is connected with the backwashing air blower and the backwashing pump. The air-floatation filter integration water treatment device enables the air-floatation pond and the filter pond to be combined transversely, and enables an air-floatation filter pond combination process to achieve device integration. A communication pipe arranged between the air-floatation pond and the filter pond enables the liquid level in the air-floatation pond to be constant, liquid level automatic control of the air-floatation and a water outlet adjusting valve are omitted, the automatic system is simplified, and the system is stable and reliable to operate.

Description

The air-float filtration integral water treating equipment
Technical field
The utility model relates to a kind of water treating equipment, and especially a kind of requirement on height of workshop is low, the simple air-float filtration integral water treating equipment of control system.
Background technology
In water treatment field, air supporting and filtration are traditional water technologies.Air supporting is generally for separating of the oil in the water or lightweight suspension thing, the airfloat equipment principle of work is under high pressure air to be dissolved in the recirculation water in advance, form oversaturated high-pressure air-water mixture, again this air-water mixture is discharged in the water by the reliever decompression, produce a large amount of micro-bubbles, these micro-bubbles stick oil or the lightweight suspension thing in the water, it are carried climb up on top of the water, utilize slag scraper that scum silica frost is scraped airfloat equipment, remove thereby oil or lightweight suspension thing separated from sewage.Filter general being used for except the suspended impurity that anhydrates, the principle of work of filter plant is to utilize to pile up the suspended particulate of particle diameter more than 10um in the minim gap trap water that forms between filler (such as quartz sand, hard coal, haydite, fibrous nodules etc.), and water quality is purified.
Air supporting can be obtained good and stable effluent characteristics with filtering to be used in combination.The Airfloat filtering pond technique that occurred in recent years is vertically to be superimposed on air flotation pool on the filtering basin, water inlet is first through the air supporting oil removal, remove after filtration solid particulate matter again, go out that water suspension content is few, turbidity is low, water quality is good, Airfloat filtering pond technique is just progressively applied in water treatment field.
But also there is following defective in Airfloat filtering pond technique:
1), Airfloat filtering pond technique is owing to be the vertically superimposed of air flotation pool and filtering basin, highly reaches about 6m, general factory building is difficult to hold, so that Airfloat filtering pond technique is difficult to equipment;
2), the upper strata air flotation pool is owing to scrape the needs of slag, it is relatively constant to keep liquid level.Fluid level controller need to be set in the pond, and at lower floor's filtering basin water outlet variable valve be set, with the open degree of programmable logic controller according to liquid level signal regulating and controlling valve, it is relatively constant to keep liquid level, and Controlling System is complicated.
The utility model content
Air flotation pool in the existing Airfloat filtering pond technique, filtering basin are vertically superimposed to be difficult to equipment and the air flotation pool liquid level is kept the complicated deficiency of Controlling System in order to overcome, the utility model provides a kind of new-type air-floatation filtering integral water treating equipment, this equipment is not only low to requirement on height of workshop, be convenient to realize that the equipment of Airfloat filtering pond combination process is integrated, and simplified robot control system(RCS), system's operation is more reliable and more stable.
Technical problem to be solved in the utility model is achieved through the following technical solutions:
A kind of air-float filtration integral water treating equipment, comprise air dissolved pump, dissolving, can regulate molten gas release system, shear water spray system, air flotation pool, roller bearing and scrape slag system, filtering basin, backwash gas blower, backwashing pump, described air dissolved pump water outlet divides two-way, one the tunnel is connected through regulating molten gas release system in dissolving and the air flotation pool, another road is connected with shearing water spray system in the air flotation pool, air flotation pool is provided with roller bearing and scrapes slag system, air flotation pool is other to be provided with filtering basin, and filtering basin are connected with backwashing pump with the backwash gas blower.
Be provided with connecting pipe between described air flotation pool and the filtering basin.
Described dissolving water inlet is provided with pneumatic adjusting valve, recirculation water shower nozzle and Pneumatic Liquid level controller are set in the dissolving, the recirculation water shower nozzle will spray in the dissolving after will atomizing from the recirculation water that air dissolved pump comes, Pneumatic Liquid level controller and pneumatic adjusting valve are chain, control liquid level equilibrium according to the open degree of liquid level control pneumatic adjusting valve in the dissolving.
Describedly regulate molten gas release system and comprise the conventional structures such as releasing tube, stopping valve, governor lever, control hand wheel.The releasing tube of employing unique texture and stopping valve combination will be discharged into from the air-water mixture that dissolving comes air flotation pool and discharge a large amount of micro-bubbles of formation the water of distinguishing.Come the open degree of adjustable cut-off valve by control hand wheel and governor lever, adjust the releasing effect of air-water mixture.
Described shearing water spray system comprises the conventional structures such as water jet standpipe and shower nozzle.The part recirculation water with pressure that comes from air dissolved pump sprays to the air flotation pool inwall by shearing water spray system, eliminates the sticking power between scum silica frost and pool wall, and promotes the water surface scum silica frost and move to the water side, is conducive to roller bearing and scrapes slag system scum silica frost is thoroughly struck off.
Described air flotation pool is divided into molten gas and discharges district, air flotation zone, scrapes the slag district.Molten gas discharges the built-in molten gas release system in district, and the built-in shearing water spray system of air flotation zone is scraped and put roller bearing on slag district and the scum silica frost receiving tank and scrape slag system.And water intaking valve, outlet conduit valve, the valve of slagging tap be set.
Described roller bearing is scraped slag system and is comprised the conventional structures such as roller bearing slag scraper and arc deflector, and the roller bearing slag scraper is comprised of conventional structures such as motor, step-down gear, driving chain, center driving axle, scraper stent, scraper lining board and rubber flaps.
Described filtering basin are provided with connecting pipe, distributing trough, outlet valve, back flushing receipts tank, back flushing outlet valve, filter material layer, filter plate and filter, receipts water and back flushing cloth pool, back flushing gas distribution pipe, back flushing intake valve, back flushing water intaking valve.
Described backwash gas blower is connected with the back flushing gas distribution pipe by the back flushing intake valve.
Described backwashing pump water-in is connected with the recirculation water storage pool, and water outlet is connected with the back flushing cloth pool of filtering basin by the back flushing water intaking valve.
The beneficial effects of the utility model are:
1, the effluent characteristics of the utility model air-float filtration integral water treating equipment is good, suspension content less than 10mg/L, turbidity less than 1NTU;
2, with air flotation pool and filtering basin transverse combination, height is about 3.5m, and general factory building can both hold, so that Airfloat filtering pond combination process energy realization equipment is integrated.Agent structure can adopt stainless steel, carbon steel or engineering plastics material processing and fabricating;
3, be provided with connecting pipe between air flotation pool and the filtering basin so that the interior liquid level of air flotation pool is constant, omitted air flotation pool automatic control of liquid level and water outlet variable valve, simplified robot control system(RCS), system's operation is more reliable and more stable;
4, be provided with the nozzle of unique texture in the dissolving, mix with pressurized air after with the high pressure reflow water atomization with nozzle, molten gas is effective, stops simultaneously blockage problem.Be provided with the Pneumatic Liquid level controller in the dissolving and directly control pneumatic adjusting valve and keep liquid level equilibrium in the dissolving, simplified robot control system(RCS), system's operation more accurately and reliable and stable;
5, the releasing tube and stopping valve combination that molten gas release system adopts unique texture be can regulate, the open degree of adjustable cut-off valve, the releasing effect of adjustment air-water mixture come by control hand wheel and governor lever;
6, shear water spray system and utilize part recirculation water with pressure to spray the air flotation pool inwall, eliminate the adhesion between scum silica frost and pool wall, so that it is thorough to scrape slag, there is not the automatic froth breaking slag phenomenon of faling apart in the not remaining scum silica frost of airfloat equipment water surface periphery;
7, roller bearing is scraped the rotation of slag system employing stationary shaft and is scraped the slag mode, does not have reciprocating type movable scraping plate and long distance chain transfer member, and stable equipment operation obviously improves, maintenance workload reduces.Design arc deflector in water side strikes off scum silica frost with the roller bearing slag scraper, alleviates in the scraper plate entry process the impact of scum silica frost, reduces the loose slag phenomenon of froth breaking, and it is more thorough to scrape slag, the effluent quality lifting.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is orthographic plan of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is that A of the present utility model is to side-view.
Fig. 4 is B-B sectional view of the present utility model.
Fig. 5 is C-C sectional view of the present utility model.
Embodiment
Such as a kind of air-float filtration integral water treating equipment as described in Fig. 1-Fig. 5, comprise air dissolved pump 1, dissolving 2, can regulate molten gas release system 3, shear water spray system 4, air flotation pool 5, roller bearing is scraped slag system 6, filtering basin 7, backwash gas blower 8, backwashing pump 9, described air dissolved pump water outlet divides two-way, one the tunnel can regulate molten gas release system 3 and is connected through dissolving 2 and air flotation pool 5 are interior, another road is connected with air flotation pool 5 interior shearing water spray systems 4, air flotation pool 5 is provided with roller bearing and scrapes slag system 6, the other filtering basin 7 that are provided with of air flotation pool 5, filtering basin 7 and backwash gas blower 8 are connected with backwashing pump and are connected.
Described air flotation pool and filtering basin 7 transverse combinations, height is about 3.5m, and general factory building can both hold, so that Airfloat filtering pond combination process energy realization equipment is integrated.Agent structure can adopt stainless steel, carbon steel or engineering plastics material processing and fabricating.
Be provided with connecting pipe 14 between described air flotation pool and the filtering basin 7, so that liquid level is constant in the air flotation pool, omitted air flotation pool automatic control of liquid level and water outlet variable valve, simplified robot control system(RCS), system's operation is more reliable and more stable.
Described dissolving 2 water inlets are provided with pneumatic adjusting valve 10.
Describedly regulate the inwall place that molten gas release system is arranged at air flotation pool 5 air supporting water intaking valves 12 sides.
Described shearing water spray system is arranged at the inwall of air flotation pool 5 air supporting water intaking valves 12 sides and the inwall place of both sides thereof.Shear water spray system 4 and utilize part recirculation water with pressure to spray air flotation pool 5 inwalls, eliminate the adhesion between scum silica frost and pool wall, so that it is thorough to scrape slag, there is not the automatic froth breaking slag phenomenon of faling apart in the not remaining scum silica frost of airfloat equipment water surface periphery.
Described air flotation pool is provided with can regulate molten gas release system 3, shear water spray system 4, roller bearing is scraped slag system 6, air supporting water intaking valve 12, connecting pipe valve 14 and the valve 20 of slagging tap.
Described roller bearing is scraped slag system and is arranged at air flotation pool 5 and slags tap on the inwall of valve 20 sides.Roller bearing is scraped slag system 6 and is adopted the stationary shaft rotation to scrape the slag mode, does not have reciprocating type movable scraping plate and long distance chain transfer member, and stable equipment operation obviously improves, maintenance workload reduces.
Described filtering basin 7 are provided with connecting pipe 14, distributing trough 15, outlet valve 18, back flushing receipts tank 16, back flushing outlet valve 21, filter material layer 24, filter plate and filter 22, receipts water and back flushing cloth pool 25, back flushing gas distribution pipe 23, back flushing intake valve 17, back flushing water intaking valve 19.
Described backwashing pump 9 water outlets are connected with the back flushing cloth pool 25 of filtering basin 7 by back flushing water intaking valve 19.
The implementation process of the utility model air-float filtration integral water treating equipment is divided into normal operation engineering and filter back washing process.
Course of normal operation:
Partial reflux water is pressurized to 0.6-0.8MPa through air dissolved pump 1, adjusts flow by pneumatic adjusting valve 10, through entering dissolving 2 after the shower nozzle atomizing;
0.6MPa about industrial wind enter dissolving 2 by valve 11, with the atomizing after recirculation water mixes formation oversaturated air-water mixture;
Air-water mixture in the dissolving 2 is discharged in the air flotation pool 5 by regulating molten gas release system 3 decompressions, forms a large amount of micro-bubbles;
Pending water fully mixes with a large amount of micro-bubbles that can regulate molten gas release system 3 releases in water intaking valve 12 enters air flotation pool 5;
The water that carries a large amount of micro-bubbles enters in the air flotation pool 5, and micro-bubble sticks oil or the lightweight suspension thing in the water, and it is carried the formation scum silica frost that climbs up on top of the water.Shear water spray system 4 part recirculation water with pressure is sprayed to air flotation pool 5 inwalls, eliminate the sticking power between scum silica frost and pool wall.Under intake Flow Velocity and spray water thrust, the water surface scum silica frost moves to the water side, scrapes slag system 6 in the water side with roller bearing scum silica frost is scraped into scum silica frost receiving tank 13.Scum silica frost effluxes through the valve 20 of slagging tap;
Air flotation pool 5 water outlets enter the distributing trough 15 of filtering basin 7 through going out connecting pipe 14, flooding quantity is respectively distinguished on surface, uniformly distributing filter tank;
The water after filtration bed of material 24 is held back tiny suspended substance and colloidal solid thing, enters receipts water and back flushing cloth pool 25 through filter plate and filter 22 again, and purifying waste water effluxes (wherein part is used as recirculation water) through outlet valve 18.
The filter back washing process:
Close air supporting water intaking valve 12, connecting pipe 14 valves, filter out water valve 18.Close air dissolved pump 2, industrial air valve 11;
Open back flushing outlet valve 21;
Open backwash gas blower 8, back flushing intake valve 17, air purge 3-5min;
Open back flushing water intaking valve 19, backwashing pump 9, combined water and air backwash 3-5min;
Close back flushing intake valve 17, backwash gas blower 8; Washing 3-5min;
Backwash finishes, and closes back flushing outlet valve 21, backwashing pump 9, back flushing water intaking valve 19, opens air dissolved pump 2, industrial air valve 11, opens air supporting water intaking valve 12, connecting pipe 14 valves, filters out water valve 18, recovers course of normal operation.

Claims (10)

1. air-float filtration integral water treating equipment, comprise air dissolved pump (1), dissolving (2), can regulate molten gas release system (3), shear water spray system (4), air flotation pool (5), roller bearing is scraped slag system (6), filtering basin (7), backwash gas blower (8), backwashing pump (9), it is characterized in that: described air dissolved pump water outlet divides two-way, can regulate molten gas release system (3) in one tunnel process dissolving (2) and the air flotation pool (5) is connected, another road is connected with shearing water spray system (4) in the air flotation pool (5), air flotation pool (5) is provided with roller bearing and scrapes slag system (6), air flotation pool (5) is other to be provided with filtering basin (7), and filtering basin (7) are connected 9 with backwash gas blower (8) with backwashing pump) be connected.
2. air-float filtration integral water treating equipment according to claim 1 is characterized in that: described air flotation pool and filtering basin (7) transverse combination.
3. air-float filtration integral water treating equipment according to claim 1 is characterized in that: be provided with connecting pipe (14) between described air flotation pool and the filtering basin (7).
4. air-float filtration integral water treating equipment according to claim 1, it is characterized in that: described dissolving (2) water inlet is provided with pneumatic adjusting valve (10).
5. air-float filtration integral water treating equipment according to claim 1 is characterized in that: describedly regulate the inwall place that molten gas release system is arranged at air flotation pool (5) air supporting water intaking valve (12) side.
6. air-float filtration integral water treating equipment according to claim 1, it is characterized in that: described shearing water spray system is arranged at the inwall of air flotation pool (5) air supporting water intaking valve (12) side and the inwall place of both sides thereof.
7. air-float filtration integral water treating equipment according to claim 1 is characterized in that: described air flotation pool is provided with can regulate molten gas release system (3), shear water spray system (4), roller bearing is scraped slag system (6), air supporting water intaking valve (12), connecting pipe valve (14) and the valve of slagging tap (20).
8. air-float filtration integral water treating equipment according to claim 1 is characterized in that: described roller bearing is scraped slag system and is arranged at air flotation pool (5) and slags tap on the inwall of valve (20) side.
9. air-float filtration integral water treating equipment according to claim 1 is characterized in that: described filtering basin (7) are provided with that connecting pipe (14), distributing trough (15), outlet valve (18), back flushing are received tank (16), back flushing outlet valve (21), filter material layer (24), filter plate and filter (22), received water and back flushing cloth pool (25), back flushing gas distribution pipe (23), back flushing intake valve (17), back flushing water intaking valve (19).
10. air-float filtration integral water treating equipment according to claim 1, it is characterized in that: described backwashing pump (9) water outlet is connected with the back flushing cloth pool (25) of filtering basin (7) by back flushing water intaking valve (19).
CN 201220244948 2012-05-29 2012-05-29 Air-floatation filter integration water treatment device Expired - Lifetime CN202643458U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104671319A (en) * 2015-03-12 2015-06-03 大庆市海油庆石油科技有限公司 Dissolved air tank with adjustable vapor liquid ratio
CN106396156A (en) * 2016-11-15 2017-02-15 扬州兄弟环境保护设备工程有限公司 Deep oxygen dissolution integrated machine
CN106630227A (en) * 2016-12-27 2017-05-10 重庆亚协环保工程有限公司 Sand filtration and floatation device
CN107697971A (en) * 2017-09-30 2018-02-16 北京海绵城市建设工程有限公司 One kind is without air saturator type efficient air-floating apparatus
CN109319969A (en) * 2018-12-12 2019-02-12 瑞盛环境股份有限公司 A kind of new air-floating filter with deslagging function
CN109621539A (en) * 2018-12-29 2019-04-16 林豪杰 Obstruct the V-type filter head protective device of the adsorbable suspended matter of filtering type
CN110697973A (en) * 2019-09-29 2020-01-17 北京邦源环保科技股份有限公司 Sewage draining port water treatment equipment for urban drainage pipeline
WO2023102958A1 (en) * 2021-12-08 2023-06-15 山东亚信环保技术有限公司 Dissolved air flotation and filtration integrated device
CN117550729A (en) * 2024-01-10 2024-02-13 汉盛(上海)海洋装备技术股份有限公司 Water treatment's dissolved gas system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104671319A (en) * 2015-03-12 2015-06-03 大庆市海油庆石油科技有限公司 Dissolved air tank with adjustable vapor liquid ratio
CN106396156A (en) * 2016-11-15 2017-02-15 扬州兄弟环境保护设备工程有限公司 Deep oxygen dissolution integrated machine
CN106630227A (en) * 2016-12-27 2017-05-10 重庆亚协环保工程有限公司 Sand filtration and floatation device
CN107697971A (en) * 2017-09-30 2018-02-16 北京海绵城市建设工程有限公司 One kind is without air saturator type efficient air-floating apparatus
CN109319969A (en) * 2018-12-12 2019-02-12 瑞盛环境股份有限公司 A kind of new air-floating filter with deslagging function
CN109621539A (en) * 2018-12-29 2019-04-16 林豪杰 Obstruct the V-type filter head protective device of the adsorbable suspended matter of filtering type
CN109621539B (en) * 2018-12-29 2021-04-06 郭素青 V-shaped filter head protection device capable of blocking and filtering and adsorbing suspended matters in filter tank
CN110697973A (en) * 2019-09-29 2020-01-17 北京邦源环保科技股份有限公司 Sewage draining port water treatment equipment for urban drainage pipeline
WO2023102958A1 (en) * 2021-12-08 2023-06-15 山东亚信环保技术有限公司 Dissolved air flotation and filtration integrated device
CN117550729A (en) * 2024-01-10 2024-02-13 汉盛(上海)海洋装备技术股份有限公司 Water treatment's dissolved gas system
CN117550729B (en) * 2024-01-10 2024-03-19 汉盛(上海)海洋装备技术股份有限公司 Water treatment's dissolved gas system

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