CN209481230U - A kind of closed tiny structure gas floatation separation device - Google Patents
A kind of closed tiny structure gas floatation separation device Download PDFInfo
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- CN209481230U CN209481230U CN201822196601.0U CN201822196601U CN209481230U CN 209481230 U CN209481230 U CN 209481230U CN 201822196601 U CN201822196601 U CN 201822196601U CN 209481230 U CN209481230 U CN 209481230U
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- pond body
- pipe
- water inlet
- separation device
- air bearing
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- 238000000926 separation method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 32
- 239000010865 sewage Substances 0.000 claims abstract description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000011152 fibreglass Substances 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 238000009300 dissolved air flotation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000005188 flotation Methods 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000000476 body water Anatomy 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Physical Water Treatments (AREA)
Abstract
The utility model discloses a kind of closed tiny structure gas floatation separation devices, including pond body, inclined plate, return pipe, sewage pipe, the first multiphase flow pump, dissolving, water inlet pipe, air bearing outlet pipe, dross collecting tank, backflow gas efferent duct, nitrogen input pipe, collecting-tank, the second multiphase flow pump；In pond body lower part, dross collecting tank is arranged on pond body top for sewage pipe, water inlet pipe setting；Sewage pipe, water inlet pipe, dross collecting tank are connected to pond body；Inclined plate is arranged in pond body；Return pipe one end is connected to pond body lower part water inlet pipe end, and the other end is connected to by the first multiphase flow pump with pond body lower part water outlet end；Collecting-tank is connected to by air bearing outlet pipe with pond body；Nitrogen outlet is connected to by backflow gas efferent duct, the second multiphase flow pump with dissolving in pond body；Dissolving at the top of nitrogen input pipe and pond body by being connected to.The utility model improves solid-liquid separation efficiency, realizes the continuous and steady operation of dissolved air flotation and the stably reaching standard of effluent quality.
Description
Technical field
The utility model belongs to the environmental protection industry (epi)s such as petrochemical industry, water process and solid-liquid separation technique field, and in particular to Yi Zhongmi
Enclosed tiny structure gas floatation separation device.
Background technique
Gas floatation process most appeared in mining processing industry earlier than 1905, and in water treatment field, early in nineteen twenty, C.L.PECK is just
Consideration handles sewage with gas floatation process, but does not cause enough attention.Before the last century sixties, due to microbubble generation technology
Limitation, air flotation technology development it is more slow.Development and partial reflux after the seventies, with microbubble generation technology
The generation of the technologies such as air soluble method, so that air flotation technology is rapidly progressed.Especially in recent years, air flotation technology obtains both at home and abroad
Great attention, be widely used in etc. in various industrial wastewaters and city domestic sewage processing.
Air bearing is that air dissolving system generates a large amount of micro air bubble in water, makes air in the form of the micro-bubble of high degree of dispersion
Be attached on suspended particle, cause density to be less than the state of water, so that it is kept afloat using law of buoyancy, thus realize it is solid-
The water treatment facilities of liquid separation.
Air bearing is divided into super efficiency shallow air flotation, cavitation air flotation, flat flow air bearing.It is dirty in water supply, industrial wastewater and city at present
There is application in terms of water process.Air bearing advantage is that its solid- liquid separation equipment has that small investment, occupied area be small, automation journey
The features such as degree height, convenient operation and management.
In terms of oily waste water treatment, the Con trolling index of suspended matter is very stringent.Oilfield sewage, especially oil field extracted water are more
For re-injection, and the suspended matter in reinjected water is oily wastewater one of the main reason for causing formation blockage, oil transportation channel blocking
The presence of middle oil, so that suspended matter is difficult to be effectively separated with liquid, therefore in terms of oily waste water treatment, to solid-liquid point
Requirements at the higher level are proposed from technology.Traditional gravitational settling removal technology, long operational time, by water quality and quantity influence of fluctuations compared with
Greatly, effluent quality is unstable, is unable to satisfy the processing requirement of oily wastewater at present.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of closed tiny structure gas floatation separation device, improves
Solid-liquid separation efficiency realizes the continuous and steady operation of dissolved air flotation and the stably reaching standard of effluent quality.
The technical scheme adopted by the utility model is a kind of closed tiny structure gas floatation separation device, it is characterised in that:
Including pond body, inclined plate, return pipe, sewage pipe, the first multiphase flow pump, dissolving, water inlet pipe, air bearing outlet pipe, dross collecting tank,
Backflow gas efferent duct, nitrogen input pipe, collecting-tank, the second multiphase flow pump；
In the pond body lower part, the dross collecting tank is arranged on the pond body top for the sewage pipe, water inlet pipe setting；
The sewage pipe, water inlet pipe, dross collecting tank are connected to the pond body；
The inclined plate is arranged in the pond body；
Described return pipe one end and the pond body lower part water inlet pipe end be connected tos, the other end by first multiphase flow pump and
The connection of pond body lower part water outlet end；The collecting-tank is connected to by the air bearing outlet pipe with the pond body；The pond body
Middle nitrogen outlet is connected to by the backflow gas efferent duct, the second multiphase flow pump with the dissolving；The dissolving passes through institute
It states and is connected at the top of nitrogen input pipe and the pond body.
The utility model has the beneficial effects that:
(1) the utility model utilizes air-dissolving air-float principle, can compare for Produced Water In Oil-gas Fields, Ngi suspended matter median particle size
It is small, it is easy the characteristics of floating, guarantees effectively removing for suspended matter；
(2) utility model device be confined space, not will cause in sewage disposal process toxic and harmful gas and
The secondary pollution that the leakage of liquid and condensate are come out by stripping；
(3) it is safer nitrogen that the utility model dissolved air flotation device, which uses, greatly reduces oil-containing alcohol-containing
The hazard property of sewage treatment, and the recyclable recycling of nitrogen, reduce operating cost；
(4) pressurization under the utility model dissolved air flotation device, top are released from water using air dissolved pump recycling
Nitrogen is at micro-vacuum state, is more conducive to the formation of micro-bubble during air bearing, considerably increases air-floating apparatus
Removal efficiency.
Detailed description of the invention
Fig. 1: the structure sectional view of the utility model embodiment.
Specific embodiment
In conjunction with the technical solution is further described with reference to the drawings, examples of the embodiments are shown in the accompanying drawings, wherein certainly
Begin to indicate same or similar element or element with the same or similar functions, but the description to same or similar label eventually
It is only used for explaining the utility model, and should not be understood as limiting the present invention.
Be detailed in Fig. 1, a kind of closed tiny structure gas floatation separation device provided by the utility model, including pond body 1, inclined plate 2,
Return pipe 3, sewage pipe 4, the first multiphase flow pump 5, dissolving 6, water inlet pipe 7, air bearing outlet pipe 8, dross collecting tank 9, backflow gas
Efferent duct 10, nitrogen input pipe 11, collecting-tank 12, the second multiphase flow pump 13；Sewage pipe 4, water inlet pipe 7 are arranged in 1 lower part of pond body,
Dross collecting tank 9 is arranged on 1 top of pond body；Sewage pipe 4, water inlet pipe 7, dross collecting tank 9 are connected to pond body 1；Inclined plate 2 is arranged
In pond body 1；3 one end of return pipe is connected to 1 lower part of pond body water inlet pipe end, and the other end passes through the first multiphase flow pump 5 and 1 lower part of pond body
Water outlet end connection；Collecting-tank 12 is connected to by air bearing outlet pipe 8 with pond body 1；Nitrogen outlet is exported by backflow gas in pond body 1
Pipe 10, the second multiphase flow pump 13 are connected to dissolving 6；Dissolving 6 at the top of nitrogen input pipe 11 and pond body 1 by being connected to.
The inclined plate 2 of the present embodiment is made by polypropylene (PP), polyvinyl chloride (PVC) or glass reinforced plastic (FRP), and (other zero
Component is made by stainless steel, carbon steel, PP or glass-reinforced plastic material), it is on 60 degree of angles are arranged in 8 chamber of air bearing outlet pipe
Portion；It is L-type that the part in air bearing outlet pipe 8, which is arranged in, in air bearing outlet pipe 8, and lower crosstalk tube is located at 2 lower part of inclined plate；1 bottom of pond body
Several sewage pipes 4 are provided at different location.
The return pipe 3 of the present embodiment, sewage pipe 4, water inlet pipe 7, air bearing outlet pipe 8, dross collecting tank 9, backflow gas output
Pipe 10, nitrogen input pipe 11 are mounted on motor-driven valve or pneumatic operated valve, and pond body 1 is internally provided with electronic liquid level gauge, for realizing certainly
Dynamicization control.
In actual operation, pending water is mixed into pond body 1 the present embodiment by water inlet pipe 7 and the water outlet of return pipe 3,
Under the action of first multiphase flow pump 5, the micro-bubble package for mixing and generating with the dissolved air water of reflux of intaking is helped under floating left and right, is promoted
Mud, water, oil etc. are separated, and the small suspended matter in sewage floats to rapidly the water surface, and sludge is sunk down under the action of inclined plate 2
The nitrogen of 1 bottom of pond body, reflux releases in water after suspended matter reaches the water surface, to reach the mesh of muddy water gas separation
's.The nitrogen of release is recovered in dissolving 6 by the second multiphase flow pump 13 by backflow gas efferent duct 10 recycles again, so just
Micro-vacuum state is formed on the water surface in pond body 1, it can be by dissolving 6 by installing electronic or gas when nitrogen is inadequate in pond body 1
The nitrogen input pipe 11 of movable valve is automatically replenished.Treated water enters collecting-tank 11 by air bearing outlet pipe 8, is pumped into next place
Manage unit.Heavier suspended matter is periodically discharged by sewage draining exit from pool bottom sewage pipe 4.
The utility model is suitable for water inlet desanding, general industry and domestic water precipitating, settlement of sewage, oil removal and tail
Open the processing such as concentration.
Although this specification has more used pond body 1, inclined plate 2, return pipe 3, sewage pipe 4, the first multiphase flow pump 5, molten
Gas tank 6, water inlet pipe 7, air bearing outlet pipe 8, dross collecting tank 9, backflow gas efferent duct 10, nitrogen input pipe 11, clear water reserviors 12,
The terms such as two multiphase flow pumps 13, but a possibility that be not precluded using other terms.The use of these items is only for more square
The essence of description the utility model just, being construed as any additional limitation all is and the spirit of the present invention phase
It violates.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
It should be understood that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this
The limitation of utility model patent protection scope, those skilled in the art are not departing under the enlightenment of the utility model
Under ambit protected by the claims of this utility model, replacement or deformation can also be made, the utility model is each fallen within
Within protection scope, the utility model is claimed range and should be determined by the appended claims.
Claims (7)
1. a kind of closed tiny structure gas floatation separation device, it is characterised in that: including pond body (1), inclined plate (2), return pipe (3),
Sewage pipe (4), dissolving (6), water inlet pipe (7), air bearing outlet pipe (8), dross collecting tank (9), returns at the first multiphase flow pump (5)
Gas efferent duct (10), nitrogen input pipe (11), collecting-tank (12), the second multiphase flow pump (13)；
In the pond body (1) lower part, the dross collecting tank (9) is arranged described for the sewage pipe (4), water inlet pipe (7) setting
Pond body (1) top；The sewage pipe (4), water inlet pipe (7), dross collecting tank (9) are connected to the pond body (1)；
The inclined plate (2) is arranged in the pond body (1)；
Described return pipe (3) one end is connected to the pond body (1) lower part water inlet pipe end, and the other end passes through first multiphase flow pump
(5) it is connected to the pond body (1) lower part water outlet end；The collecting-tank (12) passes through the air bearing outlet pipe (8) and the pond
Body (1) connection；Nitrogen outlet passes through the backflow gas efferent duct (10), the second multiphase flow pump (13) and institute in the pond body (1)
State dissolving (6) connection；The dissolving (6) at the top of the nitrogen input pipe (11) and the pond body (1) by being connected to.
2. closed tiny structure gas floatation separation device according to claim 1, it is characterised in that: the inclined plate (2) is in 60
Angle is spent to be arranged in air bearing outlet pipe (8) chamber middle and upper part.
3. closed tiny structure gas floatation separation device according to claim 1, it is characterised in that: the inclined plate (2) is by gathering
Propylene, polyvinyl chloride or glass reinforced plastic are made.
4. closed tiny structure gas floatation separation device according to claim 1, it is characterised in that: the air bearing outlet pipe
(8) part being arranged in air bearing outlet pipe (8) is L-type, and lower crosstalk tube is located at the inclined plate (2) lower part.
5. closed tiny structure gas floatation separation device according to any one of claims 1-4, it is characterised in that: described time
Flow tube (3), sewage pipe (4), water inlet pipe (7), air bearing outlet pipe (8), dross collecting tank (9), backflow gas efferent duct (10), nitrogen
Input pipe (11) is mounted on motor-driven valve or pneumatic operated valve, for realizing automation control.
6. closed tiny structure gas floatation separation device according to any one of claims 1-4, it is characterised in that: the pond
Body (1) is internally provided with electronic liquid level gauge, for realizing automatically-monitored.
7. closed tiny structure gas floatation separation device according to any one of claims 1-4, it is characterised in that: the pond
Several sewage pipes (4) are provided at the different location of body (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822196601.0U CN209481230U (en) | 2018-12-26 | 2018-12-26 | A kind of closed tiny structure gas floatation separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822196601.0U CN209481230U (en) | 2018-12-26 | 2018-12-26 | A kind of closed tiny structure gas floatation separation device |
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| Publication Number | Publication Date |
|---|---|
| CN209481230U true CN209481230U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822196601.0U Active CN209481230U (en) | 2018-12-26 | 2018-12-26 | A kind of closed tiny structure gas floatation separation device |
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| CN (1) | CN209481230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485118A (en) * | 2018-12-26 | 2019-03-19 | 湖北君集水处理有限公司 | A kind of closed tiny structure gas floatation separation device |
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2018
- 2018-12-26 CN CN201822196601.0U patent/CN209481230U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485118A (en) * | 2018-12-26 | 2019-03-19 | 湖北君集水处理有限公司 | A kind of closed tiny structure gas floatation separation device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430074 No. 3 Huangjiahu University Town, Hongshan District, Wuhan City, Hubei Province Patentee after: Junji Environmental Technology Co.,Ltd. Address before: 430074 No. 3 Huangjiahu University Town, Hongshan District, Wuhan City, Hubei Province Patentee before: HUBEI JUNJI WATER TREATMENT Co.,Ltd. |