CN105645500A - Efficient air floating treatment equipment - Google Patents
Efficient air floating treatment equipment Download PDFInfo
- Publication number
- CN105645500A CN105645500A CN201610165022.2A CN201610165022A CN105645500A CN 105645500 A CN105645500 A CN 105645500A CN 201610165022 A CN201610165022 A CN 201610165022A CN 105645500 A CN105645500 A CN 105645500A
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- CN
- China
- Prior art keywords
- wall
- air
- air floating
- motor
- flotation pool
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Physical Water Treatments (AREA)
- Removal Of Floating Material (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention provides efficient air floating treatment equipment. An air floating tank of the treatment equipment comprises an inner wall and an outer wall, which are coaxial and form a hollow body, wherein a water inlet pipe is arranged above one side of the outer wall of the air floating tank, and a water outlet pipe is arranged under the other side of the outer wall of the air floating tank; a floating dreg collection groove is formed in the top of the outer wall of the air floating tank; a mud discharging pipe is arranged at the outer side of the floating dreg collection groove; the bottom of the inner wall of the air floating tank penetrates through a gas distribution plate connected with the outer wall and is connected with a motor; the rotation with a controlled rotary speed of the inner wall is realized by the motor through coupling of a speed controller. The efficient air floating treatment equipment has the beneficial effects that gas and liquid in the air floating tank of the air floating treatment equipment flow and are collided, so that the intensity of air bubbles and the collision efficiency and the adsorption efficiency of oil drops and air bubbles in a reactor are improved; oil-water separation and removal of volatile organic matters in water can be facilitated. The efficient air floating treatment equipment has the advantages of fine air bubbles, large intensity, and remarkable and stable air floating treatment effect; a whole technological process and the equipment are relatively simple and are convenient to manage and maintain.
Description
Technical field
The invention belongs to oil conte, sewage treatment device, particularly relate to a kind of efficient air-floating treatment facility.
Background technology
Conventional air flotation processing device by gas dissolving in treatment sewage, discharge bottom air flotation pool, bubble diameter is generally at about 100 ��m, the process that gas and water upwards flow jointly realizes oily water separation, have part fine oil droplets and gone out air flotation pool and be not able to do in time to be removed by gas adsorption by sewage entrained flow, and bubble diameter is big, hydraulic detention time is short, oil removal efficiency is not high, oil content covers lid layer oil on the water surface having follow-up biochemical treatment pond, make sewage and air insulated in pond, reduce the biological activity of aerobic microbiological.
Summary of the invention
In order to overcome the shortcoming and defect of conventional airfloat equipment, it is an object of the invention to provide a kind of efficient air-floating treatment facility, it is trickle that this equipment has bubble, intensity is big, air-flotation process effect significantly, stable, and whole technological process and equipment fairly simple, be convenient to management, safeguard.
Realizing above-mentioned purpose for solving, the technical scheme that the present invention takes is to provide a kind of efficient air-floating treatment facility, and this treatment facility includes motor, speed controller, air distribution plate, air flotation pool, scum silica frost receiving tank, water inlet pipe and rising pipe; Described air flotation pool comprises coaxial inner and outer wall and forms ducted body, is provided with water inlet pipe above described air flotation pool outer wall side, and another side-lower is provided with rising pipe; Described air flotation pool outer wall top is provided with scum silica frost receiving tank, and scum silica frost receiving tank arranged outside has a shore pipe; Being connected with motor through the air distribution plate being connected with outer wall bottom described air flotation pool inwall, the coupling of motor Negotiation speed controller makes inwall realize the rotation of rotating speed control.
The effect of the present invention is that this air-floating processing apparatus advantage is: 1. the flow direction of this air supporting pool gas and liquid is contrary, forms staggered flowing, collision and adsorption efficiency height; 2. driven by motor air flotation pool inwall rotates, a series of reverse rotation whirlpools is formed in space between air flotation pool inside and outside wall, the shearing action of the inwall that the bubble of bottom release is rotated in flow process and fluid is divided into a large amount of tiny bubbles, and maximum dissolution rate reaches 100%ImproveIn the intensity of bubble and reactor, oil drips the collision with bubble and adsorption efficiency, together with air-dissolving air-float is combined in by whole process with the flow performance of hydrocyclone, it is possible to the removal of volatile organic matter in promotion oily water separation, water;3. having bubble trickle, intensity is big, air-flotation process effect significantly, stable, oil removal efficiency is brought up to 98.7% from the 78% of conventional equipment, and whole technological process and equipment fairly simple, be convenient to management, safeguard.
Accompanying drawing explanation
Fig. 1 is the part-structure schematic diagram of the present invention;
Fig. 2 is the plan structure schematic diagram of the present invention.
In figure:
1, motor 2, speed controller 3, air compressor 4, inlet pipe 5, air distribution plate 6, water inlet pipe 7, rising pipe 8, scum silica frost receiving tank 9, shore pipe 10, inwall 11, outer wall
Embodiment
Below in conjunction with accompanying drawing, the efficient air-floating treatment facility structure of the present invention is described further.
The design philosophy of the high efficiency air flotation plant of the present invention is based in this equipment to form the reverse interleaved flowing of gas-liquid, together with being combined in the flow performance of hydrocyclone by air-dissolving air-float of novelty, utilizes centrifugal force strengthening air flotation effect. In this air flotation pool, sewage enters from top water inlet pipe, lower section rising pipe goes out; Gas from below air distribution plate enter, discharge from top, reversed flow in gas and liquid reactor, form staggered flowing, prolongation hydraulic detention time; Driven by motor air flotation pool inwall rotates simultaneously, the inwall that the bubble of bottom release is rotated and the fluid shearing effect driving choosing to fill thereof are divided into a large amount of tiny bubbles, bubble diameter is generally at about 20 ��m, spread all at whole air flotation pool inner, increase the intensity of bubble, fully contact with oil content, utilize intermolecular attraction, water-insoluble oil is dripped, small oil pearl be attached on micro-bubble, increase its buoyancy, utilize the density difference between immiscible medium, bubble absorption oil drip formed rotate to upper reaches, thus make in fluid oil in water emulsion and dispersion oil turn into oil slick. Improve oil in reactor and drip the collision with bubble and adsorption efficiency, together with air-dissolving air-float is combined in the flow performance of hydrocyclone by whole process, it is possible to promote the removal of volatile organic matter in oily water separation, water.
As shown in Figure 1, 2, the efficient air-floating treatment facility structure of the present invention is that this treatment facility includes motor 1, speed controller 2, air distribution plate 5, air flotation pool, scum silica frost receiving tank 8, water inlet pipe 6 and rising pipe 7; Described air flotation pool comprises coaxial inwall 10 and outer wall 11 forms ducted body, is provided with water inlet pipe 6 above described air flotation pool outer wall 11 side, and another side-lower is provided with rising pipe 7; Described air flotation pool outer wall 11 top is provided with scum silica frost receiving tank 8, and scum silica frost receiving tank 8 arranged outside has a shore pipe 9; Being connected with motor 1 through the air distribution plate 5 being connected with outer wall 11 bottom described air flotation pool inwall 10, the coupling of motor 1 Negotiation speed controller 2 makes inwall 10 realize the rotation of rotating speed control.
The inlet mouth of described air distribution plate 5 is connected with inlet pipe 4, and described inlet pipe 4 is connected with air compressor 3.
Described scum silica frost receiving tank 8 comprises round shape turning device, motor, and motor is rotated on airfloat equipment top by gear driven round shape turning device scrapes mud, will scrape mud and oil slick is scraped and drained into shore pipe 9.
The efficient air-floating treatment facility function of the present invention is achieved in that
As shown in Figure 1, 2, the efficient air-floating treatment facility of the present invention comprises the compositions such as motor 1, speed controller 2, air compressor 3, inlet pipe 4, air distribution plate 5, water inlet pipe 6, rising pipe 7, scum silica frost receiving tank 8, shore pipe 9, inwall 10, outer wall 11 and support equipment. Described motor 1 and speed controller 2 are located at below air distribution plate 5, it is achieved rotating speed controls;Described inlet pipe 4 is connected in air distribution plate 5 side, and described air distribution plate 5 is below air flotation pool; Described air flotation pool is made up of coaxial circular inwall 10 and outer wall 11, upper left side is water inlet pipe 6, lower right is rising pipe 7, oily(waste)water enters air flotation pool under a certain pressure in the horizontal direction from described water inlet pipe 6, rotational flow from top to bottom is formed due to the restriction of air flotation pool wall, realize rotating speed control by the coupling of the motor 1 at air distribution plate 5 end, speed controller 2, drive inwall 10 to rotate with 2.2r/m speed; Described scum silica frost receiving tank 8 is positioned at air flotation pool top, the electronic motor comprising round shape turning device and driving it to rotate, and scum silica frost receiving tank 8 arranged outside has a shore pipe 9.
Described water inlet pipe 6 is pressure current, and water inlet pipe 6 and rising pipe 7 have difference of altitude, and not in the same side, avoids sewage to form short stream. Described sewage enters from top water inlet pipe 6, and lower section rising pipe 7 goes out; Gas from below air distribution plate 5 enter, discharge from top, gas and liquid form staggered flowing in air flotation pool. Described outer wall 11 does not move, and inwall 10 rotates with certain speed, utilizes centrifugal force strengthening air flotation effect. Being provided with speed controller 2 bottom described air flotation pool, described speed controller 2 is connected with air flotation pool inwall 10 with motor 1 respectively, rotates with certain speed to control inwall 10.
Embodiment, as shown in Figure 1, the efficient air-floating treatment facility of the present invention is entered in the horizontal direction from water inlet pipe 6 under a certain pressure by oily(waste)water to be separated, forms swirling two-phase flows from top to bottom due to the restriction of air flotation pool wall, gas from below air distribution plate 5 enter, discharge from top, reversed flow in gas and liquid reactor, form staggered flowing, when not increasing the air flotation pool scale of construction, utilize the back scour of gas and liquid, extend hydraulic detention time, driven by motor air flotation pool inwall 10 rotates simultaneously, the fluid shearing effect of the inwall 10 that the bubble of bottom release is rotated and driven rotary thereof is divided into a large amount of tiny bubbles, bubble diameter generally can reach 20 ��m, improve the dissolution rate of gas in water, maximum dissolution rate reaches 100%, spread all over and fully contact inner and oily of whole air flotation pool, utilize intermolecular attraction, water-insoluble oil is dripped, small oil pearl is attached on micro-bubble, utilize the density difference between immiscible medium, oil drips the wadding body together with bubble incorporation, under the buoyancy of microbubble rotate to upper reaches, thus make oil in water emulsion and dispersion oil in oily(waste)water turn into oil slick, form scum layer, collected by scum silica frost receiving tank 8 and discharge from shore pipe 9. process adds the hydraulic detention time in reactor, improve oil in reactor and drip the collision with bubble and adsorption efficiency, the whole process implementation combination of flotation and eddy flow, it is to increase the removal efficiency that oil drips, it is achieved that object that in sewage waste liquor, oil content and other impurity are separated with water.
Below it is only the better embodiment of the present invention; not the technology contents of the present invention is done any restriction in form; every any simple modification, equivalent variations and modification done according to the technical scheme of the present invention, all belongs in the protection domain of technical scheme of the present invention.
Claims (3)
1. an efficient air-floating treatment facility, is characterized in that: this treatment facility includes motor (1), speed controller (2), air distribution plate (5), air flotation pool, scum silica frost receiving tank (8), water inlet pipe (6) and rising pipe (7);Described air flotation pool comprises coaxial inwall (10) and outer wall (11) forms ducted body, is provided with water inlet pipe (6) above described air flotation pool outer wall (11) side, and another side-lower is provided with rising pipe (7); Described air flotation pool outer wall (11) top is provided with scum silica frost receiving tank (8), and scum silica frost receiving tank (8) arranged outside has a shore pipe (9); Described air flotation pool inwall (10) bottom is connected with motor (1) through the air distribution plate (5) being connected with outer wall (11), and the coupling of motor (1) Negotiation speed controller (2) makes inwall (10) realize the rotation of rotating speed control.
2. efficient air-floating treatment facility according to claim 1, it is characterized in that: efficient air-floating treatment facility according to claim 1, it is characterized in that: the inlet mouth of described air distribution plate (5) is connected with inlet pipe (4), and described inlet pipe (4) is connected with air compressor (3).
3. efficient air-floating treatment facility according to claim 1, it is characterized in that: described scum silica frost receiving tank (8) comprises round shape turning device, motor, round shape turning device passes through motor driving gear, rotate on airfloat equipment top and scrape mud, mud will be scraped and scrape into shore pipe (9).
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CN201610165022.2A CN105645500B (en) | 2016-03-22 | 2016-03-22 | Efficient air-floating processing equipment |
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CN201610165022.2A CN105645500B (en) | 2016-03-22 | 2016-03-22 | Efficient air-floating processing equipment |
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CN105645500B CN105645500B (en) | 2018-08-14 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106082382A (en) * | 2016-07-15 | 2016-11-09 | 孙雅洁 | A kind of new and effective flotation column |
CN106430392A (en) * | 2016-12-21 | 2017-02-22 | 铁道第三勘察设计院集团有限公司 | Cylindrical rotating air flotation tower for treatment of oil-containing sewage |
CN107162086A (en) * | 2017-07-04 | 2017-09-15 | 中国铁路设计集团有限公司 | Sewage disposal column type rotation circulation air supporting tower |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US4871448A (en) * | 1988-06-14 | 1989-10-03 | Gosudarstvenny Proektno-Konstruktorsky I Experimentalny Institut Po Obogatitelnomu Oborudovaniju | Mechanical flotation machine |
CN101417184A (en) * | 2008-11-14 | 2009-04-29 | 宁波威瑞泰默赛多相流仪器设备有限公司 | Gas floatation separation device |
CN102079553A (en) * | 2010-12-02 | 2011-06-01 | 广州益方田园环保科技开发有限公司 | Shallow layer flotation machine for industrial wastewater treatment and treatment process thereof |
CN104230058A (en) * | 2014-09-25 | 2014-12-24 | 滁州友林科技发展有限公司 | Shallow air-floatation sewage treatment device |
CN204918050U (en) * | 2015-07-20 | 2015-12-30 | 中国海洋石油总公司 | High -efficient whirl air supporting ware |
CN205500830U (en) * | 2016-03-22 | 2016-08-24 | 铁道第三勘察设计院集团有限公司 | High -efficient floatation treatment equipment |
-
2016
- 2016-03-22 CN CN201610165022.2A patent/CN105645500B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US4871448A (en) * | 1988-06-14 | 1989-10-03 | Gosudarstvenny Proektno-Konstruktorsky I Experimentalny Institut Po Obogatitelnomu Oborudovaniju | Mechanical flotation machine |
CN101417184A (en) * | 2008-11-14 | 2009-04-29 | 宁波威瑞泰默赛多相流仪器设备有限公司 | Gas floatation separation device |
CN102079553A (en) * | 2010-12-02 | 2011-06-01 | 广州益方田园环保科技开发有限公司 | Shallow layer flotation machine for industrial wastewater treatment and treatment process thereof |
CN104230058A (en) * | 2014-09-25 | 2014-12-24 | 滁州友林科技发展有限公司 | Shallow air-floatation sewage treatment device |
CN204918050U (en) * | 2015-07-20 | 2015-12-30 | 中国海洋石油总公司 | High -efficient whirl air supporting ware |
CN205500830U (en) * | 2016-03-22 | 2016-08-24 | 铁道第三勘察设计院集团有限公司 | High -efficient floatation treatment equipment |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106082382A (en) * | 2016-07-15 | 2016-11-09 | 孙雅洁 | A kind of new and effective flotation column |
CN106430392A (en) * | 2016-12-21 | 2017-02-22 | 铁道第三勘察设计院集团有限公司 | Cylindrical rotating air flotation tower for treatment of oil-containing sewage |
CN107162086A (en) * | 2017-07-04 | 2017-09-15 | 中国铁路设计集团有限公司 | Sewage disposal column type rotation circulation air supporting tower |
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Address after: 300142 No. 10, Hebei District, Tianjin, Zhongshan Road Applicant after: China Railway Design Group Limited Address before: 300142 No. 10, Hebei District, Tianjin, Zhongshan Road Applicant before: China Railway Third Survey and Design Institute Group Ltd. |
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