CN106430392A - Cylindrical rotating air flotation tower for treatment of oil-containing sewage - Google Patents
Cylindrical rotating air flotation tower for treatment of oil-containing sewage Download PDFInfo
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- CN106430392A CN106430392A CN201611193589.7A CN201611193589A CN106430392A CN 106430392 A CN106430392 A CN 106430392A CN 201611193589 A CN201611193589 A CN 201611193589A CN 106430392 A CN106430392 A CN 106430392A
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- air
- tower body
- supporting tower
- air supporting
- distribution plate
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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)
Abstract
The invention relates to a cylindrical rotating air flotation tower for treatment of oil-containing sewage. The invention belongs to the technical field of a rotating air flotation tower. A cylindrical rotating air flotation tower for treatment of oil-containing sewage, comprising a motor, a speed controller, an air distribution plate, an air floating tower body, a floating slag collecting tank, a mud discharging pipe, a water inlet pipe and a water outlet pipe; the air floating tower body consists of a coaxial cylindrical inner wall and an outer wall; the top part of the air floating tower body is provided with the floating slag collecting tank, and the bottom part of the air floating tower body is provided with the air distribution plate; the water inlet pipe crosses through the floating slag collecting tank from the top part of the air floating tower body, and the water outlet pipe is arranged at the bottom part of the air floating tower body and crossed out the tower through the air distribution plate; the bottom of the air distribution plate is equipped with the motor and the speed controller; through the coupling function of the speed controller, the motor realizes the rotate speed control, a gear drives the outer wall to rotate; the inner part of the floating slag collecting tank is provided with a slope flowed to the mud discharging pipe under the gravity. The cylindrical rotating air flotation tower is advantageous of being high in collision and absorbing efficiency, high oil-water separation and removal rate of volatile organic compound in the water, significant and stable in air floating treatment effect, simple in technical device, and convenient to manage and maintain, and so on.
Description
Technical field
The invention belongs to rotation air supporting tower technology field, more particularly to a kind of oily waste water treatment column type rotation air supporting
Tower.
Background technology
At present, gas is dissolved in treatment sewage conventional air flotation processing device, in the release of air supporting tower bottom, bubble
Diameter, typically at 100 μm about, is realized oil-water separation during gas is flowed up jointly with water, is had partly tiny oil
Drip to be gone out air supporting tower by sewage entrained flow and be not able to do in time to be removed by gas absorption, and bubble diameter is big, hydraulic detention time is short, removes
Oil is inefficient, and oil covers one layer of oil there being subsequent biochemical to process on the water surface of water tower, make in air supporting tower sewage and air every
From, reduce the biological activity of aerobic microbiological, therefore necessary raising oil removal efficiency, Patent No. ZL simultaneously
201620224182.5 efficient air-floating processing equipment, the centrifugal force using reactor wall drives air flotation effect, but in existing
The shortcomings of number of bubbles that the contact area in wall axle center is little, shearing is formed is few, to rotarily drive liquid less and technical problem.
Content of the invention
The present invention provides a kind of oily waste water treatment column type rotation for solving technical problem present in known technology
Air supporting tower.
It is an object of the invention to provide one kind has, collision is high with adsorption efficiency, and bubble is trickle, and closeness is bigger, and profit divides
In, water, volatile organic matter clearance is high, air-flotation process effect is significant, stable, and process equipment is simple, is easy to management service etc.
The oily waste water treatment column type rotation air supporting tower of feature.
In order to improve oil removal efficiency as far as possible, strong in the centripetal force of the utilization reactor outer wall of present device novelty
Change air flotation effect, the specific surface area of outer wall is bigger, bigger with the facet of liquid, surrounding liquid can be driven to be formed reversely rotate
The bubble closeness that whirlpool, cutting are formed is higher, forms the reverse interleaved flowing of gas-liquid simultaneously, air-dissolving air-float is revolved with waterpower in equipment
The flow performance of stream device is combined together, and is favorably improved efficiency.In this air supporting tower, sewage is from the entrance of top water inlet pipe, lower section
Outlet pipe goes out;Air distribution plate enters gas from below, discharges from top, and reverse flow in gas and liquid reactor forms cross-current
Dynamic, extend hydraulic detention time;Motor belt motor is taken offence the rotation of floating tower outer wall simultaneously, the outer wall that the bubble of bottom release is rotated and its
The fluid shearing effect being rotated is divided into substantial amounts of tiny bubble, and bubble diameter, typically at 20 μm about, spreads over whole
Inside air supporting tower, increase the closeness of bubble, fully contact with oil, using intermolecular attraction, make water-insoluble oil droplet, micro-
Little oil droplet is attached on micro-bubble, increases its buoyancy, and using the density contrast between immiscible medium, bubble absorption oil droplet is formed
Rotation to upstream, form one layer of float in air supporting top of tower, so that oil emulsion and dispersed oil are changed into oil slick in fluid.Carry
The collision of oil droplet and bubble and adsorption efficiency in high reactor, whole process will be special with the flowing of hydrocyclone for air-dissolving air-float
Levy and be combined together, can promote oil-water separation, in water volatile organic matter removal.
A kind of high efficiency air flotation plant of the present invention, including motor, speed control, connection member, air distribution plate, air supporting tower, floats
Slag collecting tank, water inlet pipe and outlet pipe etc. are constituted.Described air supporting tower is made up of coaxial inner wall and outer wall, and upper left side is water inlet pipe,
Lower right is outlet pipe, and outer wall is rotated with certain speed, by the coupling of the motor gear at air distribution plate bottom, speed control
Realize rotating speed control;Described scum silica frost collecting tank is located at air supporting top of tower, the lower right corner setting discharge pipeline of scum silica frost collecting tank.
Described water inlet pipe is pressure current, and water inlet pipe and outlet pipe have the discrepancy in elevation, in horizontally and vertically direction not in the same side,
Avoid the formation of short stream.The air inlet of described air distribution plate is connected with an air inlet pipe, and described air inlet pipe is provided with one
Air compressor.Described sewage enters from top water inlet pipe, and lower section outlet pipe goes out;Air distribution plate enters gas from below, discharges from top,
Form staggered flowing.Described inwall is motionless, and outer wall is rotated with certain speed, strengthens air flotation effect using centripetal force.Described
Air supporting tower bottom is provided with speed control, and described speed control passes through connecting portion with electric motor and air supporting tower outer wall respectively
Part achieves a fixed connection, to control outer wall to rotate with certain speed.Described scum silica frost collecting tank is located at air supporting top of tower, is collecting
Slope is looked for discharge pipeline, gravity stream enters discharge pipeline thus discharging outside air supporting tower in groove.
Oily waste water treatment column type rotation air supporting tower of the present invention is adopted the technical scheme that:
A kind of oily waste water treatment column type rotates air supporting tower, is characterized in:Oily waste water treatment column type rotates air supporting
Tower includes motor, speed control, air distribution plate, air supporting tower body, scum silica frost collecting tank, discharge pipeline, water inlet pipe and outlet pipe;Air supporting tower
Body is made up of coaxial circles tubular inner and outer wall, and air supporting tower body top is provided with scum silica frost collecting tank, and air supporting tower body bottom is provided with gas distribution
Plate, water inlet pipe from air supporting tower body top pass through scum silica frost collecting tank enter, outlet pipe arrangement in air supporting tower body bottom, through air distribution plate
Discharge outside tower, rotating speed control is realized equipped with motor, speed control, motor Negotiation speed controller coupling in air distribution plate bottom,
Gear drive outer wall rotates;Set slope gravity inside scum silica frost collecting tank and flow to discharge pipeline.
Oily waste water treatment column type rotation air supporting tower of the present invention can also adopt the following technical scheme that:
Described oily waste water treatment column type rotation air supporting tower, is characterized in:The air inlet of air distribution plate connects air inlet pipe,
Air inlet pipe connects air compressor.
Described oily waste water treatment column type rotation air supporting tower, is characterized in:Water inlet pipe and outlet pipe have the discrepancy in elevation, perpendicular
Nogata is to positioned at air supporting tower body both sides.
The present invention has the advantages and positive effects that:
Oily waste water treatment column type rotates the air supporting tower technical scheme brand-new due to employing the present invention, with prior art
Compare, the invention has the characteristics that:
1. in this air supporting tower, the flow direction of gas and liquid is contrary, forms staggered flowing, and collision is high with adsorption efficiency;②
Motor 1 drives air supporting tower outer wall 11 to rotate, and forms a series of reverse rotation whirlpool, bottom in the space between air supporting tower inside and outside wall
The outer wall 11 that the bubble of release is rotated in flow process and the shear action of fluid are divided into substantial amounts of tiny bubble, improve
The collision of oil droplet and bubble and adsorption efficiency in the closeness of bubble and reactor, air-dissolving air-float is revolved by whole process with waterpower
The flow performance of stream device is combined together, and the centripetal force using outer wall strengthens air flotation effect, and the specific surface area of outer wall is bigger, with liquid
The facet of body is bigger, the bubble closeness that surrounding liquid forms reverse rotation whirlpool, cutting is formed can be driven higher, Neng Gouti
The removal of volatile organic matter in high oil-water separation, water;3. have that bubble is trickle, closeness is bigger, air-flotation process effect is significant,
Stable, and whole technical process and equipment are fairly simple, are easy to management, safeguard.
Brief description
Fig. 1 is oily waste water treatment column type rotation air supporting tower structure schematic diagram of the present invention;
Fig. 2 is the overlooking the structure diagram of Fig. 1.
In figure, 1, motor, 2, speed control, 3, air compression, 4, air inlet pipe, 5, air distribution plate, 6, water inlet pipe, 7, water outlet
Pipe, 8, scum silica frost collecting tank, 9, discharge pipeline, 10, inwall, 11, outer wall, 12, connection member.
Specific embodiment
For content of the invention, feature and effect of the present invention can be further appreciated that, hereby enumerate following examples, and coordinate accompanying drawing
Describe in detail as follows:
Refering to accompanying drawing 1 and Fig. 2.
Embodiment 1
A kind of oily waste water treatment column type rotates air supporting tower, including motor, speed control, air distribution plate, air supporting tower body,
Scum silica frost collecting tank, discharge pipeline, water inlet pipe and outlet pipe;Air supporting tower body is made up of coaxial circles tubular inner and outer wall, air supporting tower body
Top is provided with scum silica frost collecting tank, and air supporting tower body bottom is provided with air distribution plate, and water inlet pipe passes through scum silica frost collecting tank from air supporting tower body top
Enter, outlet pipe arrangement in air supporting tower body bottom, is discharged outside tower through air distribution plate, air distribution plate bottom equipped with motor, speed control,
Rotating speed control is realized in motor Negotiation speed controller coupling, and gear drive outer wall rotates;Slope weight is set inside scum silica frost collecting tank
Power flows to discharge pipeline.The air inlet of air distribution plate connects an air inlet pipe, and air inlet pipe connects air compressor.Water inlet pipe and outlet pipe
There is the discrepancy in elevation, be located at air supporting tower body both sides in vertical direction.
The concrete structure of the present embodiment and its implementation process:
In conjunction with accompanying drawing, the present invention will be further described.As shown in accompanying drawing 1, accompanying drawing 2, oily waste water treatment air supporting tower is by electricity
Machine 1, speed control 2, air compressor 3, air inlet pipe 4, air distribution plate 5, water inlet pipe 6, outlet pipe 7, scum silica frost collecting tank 8, spoil disposal
Pipe 9, inwall 10, outer wall 11, connection member 12 and other corollary equipments etc. form.Described motor 1 and speed control 2 are in gas distribution
Below plate 5, realize rotating speed control;Described air inlet pipe 4 connects in the lower section of air distribution plate 5, and described air distribution plate 5 is under air supporting tower body
Face;Described air supporting tower body is made up of coaxial circular inwall 10 and circular outer wall 11, and upper left side is water inlet pipe 6, and lower right is
Water pipe 7, oil-polluted water vertically enters air supporting tower body, horizontal direction water outlet under a certain pressure from described water inlet pipe 6, by
Form rotational flow from top to bottom in the restriction of wall, by the coupling of the motor 1 at air distribution plate 5 bottom, speed control 2
Realize rotating speed control, drive outer wall 11 to rotate with certain speed;Described scum silica frost collecting tank 8 is located at air supporting tower body top, is receiving
Slope is looked for discharge pipeline 9, gravity stream is discharged outside air supporting tower by discharge pipeline 9 in collection groove.
This invention air-floating processing apparatus is under a certain pressure from water inlet pipe 6 along vertical side by oil-polluted water to be separated
To entering air supporting tower, horizontal direction water outlet, form eddy flow flowing from top to bottom due to the restriction of wall;Gas gas distribution from below
Plate 5 enters, and discharges from top, reverse flow in gas and liquid reactor, forms staggered flowing, is not increasing air supporting tower body amount
In the case of, using the backward erosion of gas and liquid, extend hydraulic detention time;Motor belt motor floating tower outer wall 11 of taking offence revolves simultaneously
Turn, the outer wall 11 that rotated of bubble of bottom release using centripetal force and its fluid shearing effect that is rotated be divided into a large amount of
Tiny bubble, bubble diameter is generally capable of up to 20 μm, improves the dissolution rate of gas in water, and maximum dissolution rate reaches
100%, spread over and be fully contacted with oil inside whole air supporting tower body, using intermolecular attraction, make water-insoluble oil droplet, small
Oil droplet is attached on micro-bubble, the flco being combined together using the density contrast between immiscible medium, oil droplet and bubble,
Under the buoyancy of microbubble rotation to upstream so that oil emulsion and dispersed oil are changed into oil slick in fluid, form scum layer, floated
Slag collecting tank 8 is collected by gravity stream and discharges from discharge pipeline 9.During increased hydraulic detention time in reactor, carry
The collision of oil droplet and bubble and adsorption efficiency in high reactor, whole process achieves the combination of flotation and eddy flow, improves
The removal efficiency of oil droplet is it is achieved that purpose that in waste liquid, oil content and other impurity are separated from water.
The present embodiment has described collision and adsorption efficiency height, and bubble is trickle, and closeness is bigger, in oil-water separation, water
Volatile organic matter clearance is high, air-flotation process effect is significant, stable, and process equipment is simple, is easy to management service etc. and actively imitates
Really.
Claims (3)
1. a kind of oily waste water treatment column type rotates air supporting tower, it is characterized in that:Oily waste water treatment column type rotates air supporting tower
Including motor, speed control, air distribution plate, air supporting tower body, scum silica frost collecting tank, discharge pipeline, water inlet pipe and outlet pipe;Air supporting tower body
It is made up of coaxial circles tubular inner and outer wall, air supporting tower body top is provided with scum silica frost collecting tank, air supporting tower body bottom is provided with air distribution plate,
Water inlet pipe passes through scum silica frost collecting tank to enter from air supporting tower body top, and outlet pipe arrangement, in air supporting tower body bottom, is arranged through air distribution plate
Go out outside tower, rotating speed control, tooth are realized equipped with motor, speed control, motor Negotiation speed controller coupling in air distribution plate bottom
Wheel transmission outer wall rotation;Set slope gravity inside scum silica frost collecting tank and flow to discharge pipeline.
2. oily waste water treatment column type according to claim 1 rotates air supporting tower, it is characterized in that:The air inlet of air distribution plate
Connect air inlet pipe, air inlet pipe connects air compressor.
3. oily waste water treatment column type according to claim 1 and 2 rotates air supporting tower, it is characterized in that:Water inlet pipe and going out
Water pipe has the discrepancy in elevation, is located at air supporting tower body both sides in vertical direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611193589.7A CN106430392A (en) | 2016-12-21 | 2016-12-21 | Cylindrical rotating air flotation tower for treatment of oil-containing sewage |
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CN201611193589.7A CN106430392A (en) | 2016-12-21 | 2016-12-21 | Cylindrical rotating air flotation tower for treatment of oil-containing sewage |
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CN201611193589.7A Pending CN106430392A (en) | 2016-12-21 | 2016-12-21 | Cylindrical rotating air flotation tower for treatment of oil-containing sewage |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN118047451A (en) * | 2024-04-12 | 2024-05-17 | 威海华友节能科技有限公司 | Oily sewage treatment tower |
Citations (5)
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CN2236483Y (en) * | 1995-12-28 | 1996-10-02 | 石油大学(北京) | Filler style floatation column |
JP2003144804A (en) * | 2001-11-06 | 2003-05-20 | Kankyo Kensetsu Engineering:Kk | Oil-water separating apparatus |
CN102515307A (en) * | 2011-12-17 | 2012-06-27 | 宿州山明环保科技有限公司 | Floating oil separator for sewage treatment |
CN105645500A (en) * | 2016-03-22 | 2016-06-08 | 铁道第三勘察设计院集团有限公司 | Efficient air floating treatment equipment |
CN206359273U (en) * | 2016-12-21 | 2017-07-28 | 铁道第三勘察设计院集团有限公司 | Oily waste water treatment column type rotates air supporting tower |
-
2016
- 2016-12-21 CN CN201611193589.7A patent/CN106430392A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2236483Y (en) * | 1995-12-28 | 1996-10-02 | 石油大学(北京) | Filler style floatation column |
JP2003144804A (en) * | 2001-11-06 | 2003-05-20 | Kankyo Kensetsu Engineering:Kk | Oil-water separating apparatus |
CN102515307A (en) * | 2011-12-17 | 2012-06-27 | 宿州山明环保科技有限公司 | Floating oil separator for sewage treatment |
CN105645500A (en) * | 2016-03-22 | 2016-06-08 | 铁道第三勘察设计院集团有限公司 | Efficient air floating treatment equipment |
CN206359273U (en) * | 2016-12-21 | 2017-07-28 | 铁道第三勘察设计院集团有限公司 | Oily waste water treatment column type rotates air supporting tower |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN118047451A (en) * | 2024-04-12 | 2024-05-17 | 威海华友节能科技有限公司 | Oily sewage treatment tower |
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Application publication date: 20170222 |