CN109626505B - Turbulent air-floatation oil-removal water-purifying device - Google Patents
Turbulent air-floatation oil-removal water-purifying device Download PDFInfo
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- CN109626505B CN109626505B CN201910058422.7A CN201910058422A CN109626505B CN 109626505 B CN109626505 B CN 109626505B CN 201910058422 A CN201910058422 A CN 201910058422A CN 109626505 B CN109626505 B CN 109626505B
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- treatment tank
- pipe
- pipe orifice
- tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000010865 sewage Substances 0.000 claims abstract description 39
- 238000004062 sedimentation Methods 0.000 claims abstract description 18
- 238000005188 flotation Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 60
- 238000007789 sealing Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000005238 degreasing Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 239000011324 bead Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 abstract 1
- 238000007667 floating Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The invention discloses a turbulent air-float oil-removing water-purifying device. Comprises a lift pump, a treatment tank, an air compressor, an air storage tank and a connecting pipe fitting; a sedimentation cylinder, a micro vortex generator and a turbulence generator are arranged in the treatment tank; the dissolved gas sewage is separated from the sewage in three times according to the large, medium and small bubbles and oil beads by turbulent air flotation formed by dissolved gas, porous channel injection, micro vortex disturbance and water flow redirection in the treatment tank; then purifying the sewage through the annulus and a sedimentation cylinder or a filter layer; the invention only adds air without adding medicine in the operation process, is environment-friendly, safe and pollution-free, has small volume, less air consumption, low energy consumption and low operation cost, has better oil and water removing and purifying effects than other air floatation treatment devices at present, is proved to be more effective in treating low-turbidity sewage by experiments, and can be widely used for oil removing and purifying treatment of oily sewage.
Description
Technical Field
The invention relates to the technical field of oily sewage treatment, in particular to a turbulent air flotation deoiling and purifying water device which is used for separation treatment of turbulent air flotation deoiling gravity sedimentation or filtration and decontamination in the water treatment of oily sewage treatment.
Background
At present, many air floating devices such as dissolved air floating, jet air floating and rotational flow air floating devices are used for oilfield water treatment, and most devices are inconvenient to popularize and apply due to single performance, large volume, large occupied area, long treatment flow, multiple dosing types, large concentration, high operation cost, large management difficulty and poor final treatment effect.
In order to solve the problem, the process flow is simplified, the construction engineering investment and the operation cost are reduced, a Chinese patent multifunctional centripetal air floatation and electric polarization integrated device (patent number: 2013 2 0198353.8) is selected for test, and the problems of low oil removal rate and poor treatment effect on low-turbidity oily sewage are not solved because a certain oil removal effect is seen by focusing on the single vortex centripetal air floatation.
Disclosure of Invention
The invention aims to provide a turbulent air floatation oil removal water purification device so as to solve the technical problems.
The invention adopts the following technical scheme for realizing the purposes:
the turbulent air flotation deoiling and water purifying device comprises a treatment tank (1), an air storage tank (7), an air compressor (9) and a lift pump (11); an inlet of the lifting pump (11) is connected with a sewage source through a pump liquid inlet pipe (10), and an outlet of the lifting pump (11) is connected with the treatment tank (1) through a tank liquid inlet pipe (5); the liquid inlet pipe (5) is connected with an air outlet pipe orifice of the air storage tank (7) through an air adding pipe (12), and an air inlet pipe orifice of the air storage tank (7) is connected with an air outlet pipe orifice of the air compressor (9) through an air source pipe (8); the sewage disposal of the treatment tank (1) is connected with the sewage collecting tank through a sewage disposal pipe (2), the oil collecting of the treatment tank (1) is connected with an oil inlet system through an oil collecting pipe (4), and the water outlet of the treatment tank (1) is connected with the inlet of the water storage tank or the inlet of the next-stage treatment device through a water outlet pipe (3).
Preferably, the treatment tank (1) is a vertical round tank, a sewage discharging pipe orifice (13) is arranged at the center of the bottom of the treatment tank (1), sewage discharged from the treatment tank (1) is connected with a sewage collecting tank through the sewage discharging pipe orifice (13) and a sewage discharging pipe (2), a water outlet pipe orifice (14) is arranged at the upper part of the treatment tank (1), water discharged from the treatment tank (1) is connected with an inlet of a water storage tank or an inlet of a next-stage treatment device through the water outlet pipe orifice (14) and the water outlet pipe (3), a liquid inlet pipe orifice (17) is arranged at the center of the top of the treatment tank (1), an air filling pipe orifice (6) is arranged on the liquid inlet pipe (5), the air filling pipe orifice (6) is connected with an air outlet pipe orifice of the air storage tank (7) through an air filling pipe (12), and an outlet of the lifting pump (11) is connected with the liquid inlet pipe orifice (17) of the treatment tank (1) through the tank liquid inlet pipe (5); an oil receiving pipe orifice (16) is arranged at one side of the liquid inlet pipe orifice (17); the oil collecting of the treatment tank (1) is connected with an oil inlet (oil treatment) system through an oil collecting pipe orifice (16) and an oil collecting pipe (4), a sedimentation cylinder (21) is arranged at the middle lower part in the treatment tank (1), a water outlet pipe (15) is arranged in the top of the sedimentation cylinder (21) and is connected with a water outlet pipe orifice (14) of the treatment tank (1), a micro vortex generator (20) is arranged above the water outlet pipe (15), a turbulence generator (19) is arranged above the center of the micro vortex generator (20), a liquid inlet pipe (18) is arranged at the center of the turbulence generator (19), and the liquid inlet pipe (18) is connected with a liquid inlet pipe orifice (17) of the treatment tank (1).
Preferably, a liquid separating cylinder (23) is welded at the center of a circular tray (24) of the turbulence generator (19), a liquid separating opening is formed at the lower end of the liquid separating cylinder (23), an gradually-opened turbulence guide cylinder (25) is welded outside the liquid separating opening, and an injection orifice plate (26) is welded at the channel opening of the turbulence guide cylinder (25); the upper opening of the liquid separating cylinder (23) is welded with a sealing ring plate (22), and the inner ring of the sealing ring plate (22) is welded with a liquid inlet conduit (18).
Preferably, the micro vortex generator (20) is a circular orifice plate.
Preferably, the lower part of the sedimentation cylinder (21) is a circular cylinder, and the upper part is a conical cylinder.
Preferably, the sedimentation cylinder (21) is replaced by a filter layer as an air floatation and filtration integrated device.
Preferably, the oil receiving pipe (4) is provided with a crossing bypass pipe.
The beneficial effects of the invention are as follows: the turbulent air flotation is separated from sewage according to three times of large, medium and small bubbles and oil droplets; then purifying the sewage by sedimentation or filtration; the invention is not added with medicine only when in operation, is environment-friendly, safe and pollution-free, has small volume, less air consumption, low energy consumption and low operation cost, has better oil and water removing effect than other air floatation treatment devices at present, is more effective in treating low-turbidity oily sewage, and can be widely used for oil removing and purifying treatment of oily sewage.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an internal construction view of the treatment tank of the present invention;
FIG. 3 is a schematic diagram of the profile of the turbulence generator of the present invention;
FIG. 4 is a schematic view of a flow dividing cylinder of the turbulence generator of the present invention;
FIG. 5 is a diagram of a turbulator jet orifice plate of the present invention;
FIG. 6 is a diagram of an orifice plate of a micro-vortex generator of the present invention;
fig. 7 is an internal structural view of the air-floating filtration integrated device of the present invention.
The air-conditioning system comprises a treatment tank 1, a blow-down pipe 2, a water outlet pipe 3, an oil collecting pipe 4, a tank liquid inlet pipe 5, an air inlet pipe 6, a gas storage tank 7, an air source pipe 8, an air compressor 9, a pump liquid inlet pipe 10, a lifting pump 11, an air inlet pipe 12, a blow-down pipe 13, a water outlet pipe 14, a water outlet pipe 15, an oil collecting pipe orifice 16, a liquid inlet pipe 17, a liquid inlet pipe 18, a liquid inlet pipe 19, a turbulence generator 20, a micro vortex generator 21, a sedimentation cylinder 22, a sealing ring plate 23, a liquid distributing cylinder 24, a tray 25, a turbulence guide cylinder 26, a jet orifice plate 27 and a filter layer.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples.
1-6, a turbulent air flotation deoiling and purifying water device comprises a treatment tank 1, a gas storage tank 7, an air compressor 9 and a lift pump 11; the inlet of the lifting pump 11 is connected with a sewage source through a pump liquid inlet pipe 10, and the outlet of the lifting pump 11 is connected with the treatment tank 1 through a tank liquid inlet pipe 5; the liquid inlet pipe 5 is connected with an air outlet pipe orifice of the air storage tank 7 through an air adding pipe 12, and an air inlet pipe orifice of the air storage tank 7 is connected with an air outlet pipe orifice of the air compressor 9 through an air source pipe 8; the blowdown of treatment tank 1 is connected with dirt collecting tank through blow off pipe 2, and the receipts oil of treatment tank 1 is connected into oil system through receiving oil pipe 4, is equipped with on receiving oil pipe 4 and strides across the bypass pipe, and treatment tank 1 goes out water through outlet pipe 3 and water storage tank access connection or with next stage processing apparatus's access connection.
The treatment tank 1 is a vertical round tank, a sewage pipe orifice 13 is arranged in the center of the bottom of the treatment tank 1, sewage of the treatment tank 1 is connected with a sewage collecting tank through the sewage pipe orifice 13 and a sewage pipe 2, a water outlet pipe orifice 14 is arranged at the upper part of the treatment tank 1, water discharged from the treatment tank 1 is connected with an inlet of a water storage tank or an inlet of a next-stage treatment device through the water outlet pipe orifice 14 and a water outlet pipe 3, a liquid inlet pipe orifice 17 is arranged in the center of the top of the treatment tank 1, an air filling pipe orifice 6 is arranged on the liquid inlet pipe 5, the air filling pipe orifice 6 is connected with an air outlet pipe orifice of an air storage tank 7 through an air filling pipe 12, and an outlet of a lifting pump 11 is connected with the liquid inlet pipe orifice 17 of the treatment tank 1 through a tank liquid inlet pipe 5; an oil receiving pipe orifice 16 is arranged on one side of the liquid inlet pipe orifice 17; the oil collecting of the treatment tank 1 is connected with an oil inlet (oil treatment) system through an oil collecting pipe orifice 16 and an oil collecting pipe 4, a sedimentation cylinder 21 is arranged at the middle lower part in the treatment tank 1, the lower part of the sedimentation cylinder 21 is a circular cylinder, and the upper part is a conical cylinder. A water outlet conduit 15 is arranged in the top of the sedimentation cylinder 21 and is connected with a water outlet pipe orifice 14 of the treatment tank 1, a micro vortex generator 20 is arranged above the water outlet conduit 15, the micro vortex generator 20 is a circular pore plate, a turbulence generator 19 is arranged above the center of the micro vortex generator 20, a liquid inlet conduit 18 is arranged at the center of the turbulence generator 19, and the liquid inlet conduit 18 is connected with a liquid inlet pipe orifice 17 of the treatment tank 1.
The center of a circular tray 24 of the turbulence generator 19 is welded with a liquid separating cylinder 23, the lower end of the liquid separating cylinder 23 is provided with a liquid separating opening, an gradually opened turbulence guide cylinder 25 is welded outside the liquid separating opening, and an injection orifice plate 26 is welded at the opening of the turbulence guide cylinder 25; the upper opening of the liquid separating cylinder 23 is welded with a sealing ring plate 22, and the inner ring of the sealing ring plate 22 is welded with a liquid inlet conduit 18.
In this embodiment, the sedimentation cylinder 21 is replaced with the filter layer 27 as an air-floating filtration integrated device.
The operation principle process of the invention comprises the following steps: the treatment tank is operated in a three-in mode, the oily sewage enters the lifting pump through the pump liquid inlet pipe, enters the tank liquid inlet pipe through the pump pressurization, is aerated through the air inlet pipe orifice in the tank liquid inlet pipe, the oily sewage after air dissolution enters the turbulence generator through the central liquid inlet pipe, and the big water flow in one hole is changed into small water flow in multiple holes through the injection of the turbulence generator, so that turbulence air floatation is formed under the combined action of dissolved air, all water flows and the micro vortex generator. The functional roles that occur are as follows:
firstly, a large vortex with one hole is changed into a multi-hole jet turbulence, so that gas and oil can be quickly released and separated in a negative pressure area, and floating oil can be separated from water;
secondly, the water flow after water injection forms vortex rotation in the circular tank, oil and gas move to the inner circle under the action of centrifugal force, and scattered oil in the water is separated from the water;
thirdly, when the rotating water flows through the pore plate of the micro vortex generator, each pore generates micro vortex, the micro vortex separates micro bubbles and emulsified oil particles from water to form larger oil beads and bubbles, then the larger oil beads and the bubbles float upwards through the micro vortex, and the larger oil beads and the bubbles move inwards to a circle under the action of vortex centrifugal force in the floating process and are carried out by gas floating upwards after moving to the inner circle.
The water after turbulent air flotation treatment goes into the annular space, then is redirected upwards into the sedimentation cylinder, and the particles are settled to the bottom of the tank under the dual actions of inertia and gravity. The settled water is discharged through a water outlet conduit, a water outlet pipe orifice and a water outlet pipe; the air-floating oil enters an oil treatment system for reprocessing through an oil receiving pipe orifice and an oil receiving pipe; the settled accumulated sewage flows into the sewage collecting tank through the sewage pipe orifice and the sewage pipe, thereby completing one-inlet-three-outlet continuous treatment.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art from this disclosure that changes, modifications, substitutions and alterations can be made without departing from the principles and spirit of the invention.
Claims (4)
1. The turbulent air floatation degreasing and water purifying device is characterized by comprising a treatment tank (1), a gas storage tank (7), an air compressor (9) and a lift pump (11); an inlet of the lifting pump (11) is connected with a sewage source through a pump liquid inlet pipe (10), and an outlet of the lifting pump (11) is connected with the treatment tank (1) through a tank liquid inlet pipe (5); the air inlet pipe orifice of the air storage tank (7) is connected with the air outlet pipe orifice of the air compressor (9) through an air source pipe (8); the treatment tank (1) is a vertical round tank, a sewage discharging pipe orifice (13) is arranged at the center of the bottom of the treatment tank (1), sewage discharged from the treatment tank (1) is connected with a sewage collecting tank through the sewage discharging pipe orifice (13) and a sewage discharging pipe (2), a water outlet pipe orifice (14) is arranged at the upper part of the treatment tank (1), water discharged from the treatment tank (1) is connected with an inlet of a water storage tank or an inlet of a next-stage treatment device through the water outlet pipe orifice (14) and a water outlet pipe (3), a liquid inlet pipe orifice (17) is arranged at the center of the top of the treatment tank (1), an air filling pipe orifice (6) is arranged on the liquid inlet pipe (5), the air filling pipe orifice (6) is connected with an air outlet pipe orifice of an air storage tank (7) through an air filling pipe (12), and an outlet of a lifting pump (11) is connected with the liquid inlet pipe orifice (17) of the treatment tank (1) through a tank liquid inlet pipe (5). An oil receiving pipe orifice (16) is arranged at one side of the liquid inlet pipe orifice (17); the oil collecting device comprises an oil collecting pipe orifice (16) and an oil collecting pipe (4), wherein the oil collecting pipe orifice is connected with an oil inlet system, a sedimentation cylinder (21) is arranged at the middle lower part in the treatment tank (1), a water outlet pipe (15) is arranged in the top of the sedimentation cylinder (21) and is connected with a water outlet pipe orifice (14) of the treatment tank (1), a micro vortex generator (20) is arranged above the water outlet pipe (15), a turbulence generator (19) is arranged above the center of the micro vortex generator (20), a liquid inlet pipe (18) is arranged at the center of the turbulence generator (19), the liquid inlet pipe (18) is connected with a liquid inlet pipe orifice (17) of the treatment tank (1), a liquid distributing cylinder (23) is welded at the center of a circular tray (24) of the turbulence generator (19), a liquid distributing opening is formed in the lower end of the liquid distributing cylinder (23), a gradually opened turbulence guide cylinder (25) is welded outside the liquid distributing opening, and a jet orifice plate (26) is welded at the channel opening of the turbulence guide cylinder (25); a sealing ring plate (22) is welded at the upper opening of the liquid separating cylinder (23), and a liquid inlet conduit (18) is welded in the sealing ring plate (22);
the micro vortex generator (20) is a circular orifice plate.
2. A turbulent air flotation deoiling and purifying water device as claimed in claim 1, characterized in that the lower part of the sedimentation cylinder (21) is a circular cylinder, and the upper part is a conical cylinder.
3. A turbulent air flotation degreasing and purifying water device as claimed in claim 1, characterized in that the sedimentation cylinder (21) is replaced by a filter layer as an air flotation and filtration integrated device.
4. A turbulent air flotation deoiling and purifying water device as claimed in claim 1, characterized in that the oil receiving pipe (4) is provided with a crossing bypass pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910058422.7A CN109626505B (en) | 2019-01-22 | 2019-01-22 | Turbulent air-floatation oil-removal water-purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910058422.7A CN109626505B (en) | 2019-01-22 | 2019-01-22 | Turbulent air-floatation oil-removal water-purifying device |
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| Publication Number | Publication Date |
|---|---|
| CN109626505A CN109626505A (en) | 2019-04-16 |
| CN109626505B true CN109626505B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910058422.7A Active CN109626505B (en) | 2019-01-22 | 2019-01-22 | Turbulent air-floatation oil-removal water-purifying device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314725A (en) * | 2019-11-18 | 2022-04-12 | 海南海嘉惠科技有限公司 | Turbulent air flotation oil-water separation method |
| CN110803811A (en) * | 2019-12-04 | 2020-02-18 | 海南海嘉惠科技有限公司 | Turbulent air flotation and electric adsorption synergistic H removal2S and S = device |
| CN111018163A (en) * | 2020-01-08 | 2020-04-17 | 海南海嘉惠科技有限公司 | Aging oil processing device for breaking of electric cation-eliminating water processor |
| CN114163026A (en) * | 2021-12-20 | 2022-03-11 | 山东海吉雅环保设备有限公司 | Impact-resistant fine filtering device capable of adding chemicals |
| CN114455742A (en) * | 2022-01-20 | 2022-05-10 | 海南儋州雅惠科技有限公司 | HSSF high-suspended matter sewage rapid treatment device and method |
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| CN101279778A (en) * | 2007-05-26 | 2008-10-08 | 丹东恒诚环保科技开发有限公司 | Three-phase cyclone separator cleaning treatment system for oil-contaminated water |
| CN201195699Y (en) * | 2008-03-03 | 2009-02-18 | 梁丽 | Rotary cut type releaser |
| CN103818983A (en) * | 2012-11-19 | 2014-05-28 | 山东海吉雅环保设备有限公司 | Oil-sludge-water separation device |
| CN209537046U (en) * | 2019-01-22 | 2019-10-25 | 海南海嘉惠科技有限公司 | A kind of turbulent flow oil removal by air bubbling water-purifying apparatus |
-
2019
- 2019-01-22 CN CN201910058422.7A patent/CN109626505B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279778A (en) * | 2007-05-26 | 2008-10-08 | 丹东恒诚环保科技开发有限公司 | Three-phase cyclone separator cleaning treatment system for oil-contaminated water |
| CN201195699Y (en) * | 2008-03-03 | 2009-02-18 | 梁丽 | Rotary cut type releaser |
| CN103818983A (en) * | 2012-11-19 | 2014-05-28 | 山东海吉雅环保设备有限公司 | Oil-sludge-water separation device |
| CN209537046U (en) * | 2019-01-22 | 2019-10-25 | 海南海嘉惠科技有限公司 | A kind of turbulent flow oil removal by air bubbling water-purifying apparatus |
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| CN109626505A (en) | 2019-04-16 |
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