CN204803036U - Flotation of advection formula removes oil tank - Google Patents
Flotation of advection formula removes oil tank Download PDFInfo
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- CN204803036U CN204803036U CN201520407331.7U CN201520407331U CN204803036U CN 204803036 U CN204803036 U CN 204803036U CN 201520407331 U CN201520407331 U CN 201520407331U CN 204803036 U CN204803036 U CN 204803036U
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Abstract
The utility model relates to a flotation of advection formula removes oil tank, including horizontal tank, characterized in that: separate for buffers, multistage air water mixed zone, multistage flotation disengagement zone, clear water overflow district and clear water district through oil removal board and mixed zone baffle in the horizontal tank, the lower part of every grade of air water mixed zone all is equipped with gassiness water releaser and gassiness water inlet, and every oil removal board upper portion all is fixed with the flotation disengagement zone and receives the oil groove, each flotation disengagement zone receive oil groove all with set up the oil trap that just runs through multistage flotation disengagement zone and buffers on jar internal upper portion and feed through, be equipped with the swash plate subassembly in one of them flotation disengagement zone, be equipped with the clear water weir divider between clear water overflow district and the clear water district, a side of the jar body is provided with flotation district oil drain port. The advantage is: this removes that the oil tank can increase substantially that deoiling efficiency, processing speed are fast, operation safe and reliable and economical and practical, and adaptable wider oily water treatment quantitative change is moved.
Description
Technical field
The utility model belongs to exploitation of oil-gas field technical field of sewage, particularly relates to a kind of flat flow flotation oil removing pot.
Background technology
For meeting the environmental requirement of increasingly stringent, in the production waste in offshore platform row sea, oil length is low as far as possible.The degreasing technique used on offshore platform at present generally can only reach the minimum water quality standard (30 ~ 45mg/L) of national regulation, if reduce the oil-contg in oil recovery production waste further, just must improve prior art.Traditional air flotation technology is generally pass into a large amount of tiny bubble in oily(waste)water slurry tank, bubble and oil droplet adhere to, form as carrier the buoyancy aid that global density is less than water and float up to the water surface, make the oil droplet in sewage, suspended substance is separated with sewage, reach the object of purifying waste water.
Existing gas floatation separation device generally adopts horizontal tank body structure, mixing contact area, disengaging zone, clear water is divided into collect discharge area, floating oil collecting discharge area in tank interior, the air supporting of the many employings of the type gas floatation separation device single tank single-stage, trilateral deslagging weir, there is scum silica frost accumulation in it, the residence time is long, especially in problems such as the easy back-mixings of disengaging zone end scum silica frost, causes oil removal efficiency lower.
Summary of the invention
The utility model provides a kind of and increases substantially fast, the safe and reliable to operation and economical and practical flat flow flotation oil removing pot of oil removal efficiency, processing speed for solving in known technology the technical problem that exists.
The technical scheme that the utility model is taked for the technical problem existed in solution known technology is:
Flat flow flotation oil removing pot, comprise horizontal tank body, be arranged on the water-in on tank body one end and be arranged on the manhole at tank body top, air inlet/outlet, transmitter interface and valve interface, it is characterized in that: be buffer zone, multistage mixing wastewater with air district, multistage flotation separation district, clean water overflow district and clear water zone by oil separating plate and mixing zone baffle for separating in described horizontal tank body;
Described multistage mixing wastewater with air district and multistage flotation separation district, its progression can increase or reduce.
The bottom in described Mei Ji mixing wastewater with air district is equipped with gassy water reliever and gassy water import, described each oil separating plate top is all fixed with flotation separation district collection tank, described each flotation separation district collection tank all be arranged on tank body internal upper part and run through the oil sump of multistage flotation separation district and buffer zone;
A flotation separation district is built with the type sloping plate component that can improve fine oil droplets rejection effect wherein, is provided with clean water overflow dividing plate between described clean water overflow district and clear water zone;
One side of described tank body is provided with flotation area oil discharge outlet.
The utility model can also adopt following technical scheme:
The layout of the multistage mixing wastewater with air district in described horizontal tank body, multistage flotation separation district, clean water overflow district and clear water zone is: the first step mixing wastewater with air district adjacent with buffer zone, first step flotation separation district, mixing wastewater with air district, the second stage, flotation separation district, the second stage, third stage mixing wastewater with air district, third stage flotation separation district, clean water overflow district and clear water zone.
The runner indentation, there of described clean water overflow dividing plate is provided with movable weir plate.
Described type sloping plate component comprises swash plate, swash plate support and supports channel-section steel, by support slot bracing members below described swash plate support, support channel-section steel is furnished with swash plate.
The advantage that the utility model has and positively effect are: because the utility model adopts technique scheme, one, adopt the multistage flotation separation of single tank and multistage gassy water Mixed Design, compared with designing with multiple tank single-stage flotation separation, compact construction, saving take up an area space, save cost.Its two, be provided with type sloping plate component in third stage flotation separation district and can improve rejection effect to fine oil droplets.They are three years old, cycle arrangement mixing wastewater with air district, flotation separation district and collection tank is successively flowed to according to current advection, collection tank is arranged on meeting of every one-level flotation separation district and flows oil separating plate top, can timely and effective skim oil slick slag, dregs of fat air-teturning mixed phenomenon is avoided to occur, relative to single tank single-stage flotation tank of same size, under identical oily water treatment amount, oily water separation efficiency can be increased substantially.Its four, be provided with movable weir plate in the runner indentation, there of clean water overflow dividing plate, the variation of wider oily water treatment amount can be adapted to.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is Fig. 1-B direction view;
Fig. 4 be Fig. 1 overlook part sectioned view.
In figure: 1, water inlet pipe mouth; 2, mouth for subsequent use; 3, water inlet dash plate; 4, tank body; 5, manhole; 6, collection tank; 7, oil separating plate; 8, flotation area oil discharge outlet; 9, air inlet/outlet; 10, collection tank fluid level transmitter interface; 11, relief valve connection; 12, oil trap; 13, pressure unit interface; 14, type sloping plate component; 15, afloat gas extraction opening; 16, movable weir plate; 17, weir divider; 18, fluid level transmitter interface; 19, clear water zone collection tank; 20, oil exit pipe; 21, effluent pipe mouth; 22, flotation separation district drain; 23, gassy water pump mouth; 24, tank saddle; 25, clear water zone oil discharge outlet; 26, mixing zone dividing plate; 27, U-shaped clip; 28, gassy water reliever; 29, gassy water reliever support; 30, gassy water import.31, buffer zone; 32, first step mixing wastewater with air district; 33, first step flotation separation district; 34, second stage mixing wastewater with air district; 35, second stage flotation separation district; 36, third stage mixing wastewater with air district; 37, third stage flotation separation district; 38, clean water overflow district; 39, clear water zone.
Embodiment
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
It should be noted that, unless otherwise clearly defined and limited, term " first ", " second " etc. do not represent order and install, and do not represent the importance of described parts yet.
Refer to Fig. 1-Fig. 4, flat flow flotation oil removing pot, comprise horizontal tank body 4, the water-in 1 be arranged on tank body one end, water inlet dash plate 3 and be arranged on the mouth for subsequent use 2 of tank base, be disposed with manhole 5, air inlet/outlet 9, transmitter interface 10, relief valve connection 11, pressure unit interface 13, afloat gas extraction opening 15, manhole and fluid level transmitter interface 18 from right to left at tank body top.Buffer zone 31, multistage mixing wastewater with air district, multistage flotation separation district, clean water overflow district 38 and clear water zone 39 is divided into by oil separating plate 7 and mixing zone dividing plate 26 in described horizontal tank body.The bottom in described Mei Ji mixing wastewater with air district is all by gassy water import 30 that gassy water reliever support 29, U-shaped clip 27 are equiped with gassy water reliever 28 and are communicated with gassy water reliever 28, flotation separation district drain 22 is all housed bottom flotation separation district at different levels, be provided with tank saddle 24 bottom described clean water overflow district, bottom described clear water zone, be provided with gassy water pump mouth 23 and effluent pipe mouth 21.
Described each oil separating plate 7 top is all fixed with flotation separation district collection tank 6, described each flotation separation district collection tank 6 is all communicated with the oil trap 12 of buffer zone with being arranged on tank body internal upper part and running through multistage flotation separation district, cycle arrangement mixing wastewater with air district, flotation separation district and collection tank is successively flowed to according to current advection, collection tank is arranged on meeting of every one-level flotation separation district and flows oil separating plate top, the vertex of described flotation separation district collection tank 6 lower than the vertex of oil separating plate 7, and reduces step by step along current advection direction.
A flotation separation district is built with the type sloping plate component 14 that can improve fine oil droplets rejection effect wherein, is provided with clean water overflow dividing plate 17 between described clean water overflow district and clear water zone.
One side of described tank body is provided with flotation area oil discharge outlet 8.
In the present embodiment, the layout of the multistage mixing wastewater with air district in described horizontal tank body, multistage flotation separation district, clean water overflow district and clear water zone is: the first step mixing wastewater with air district 32 adjacent with buffer zone 31, first step flotation separation district 33, mixing wastewater with air district, the second stage 34, flotation separation district, the second stage 35, third stage mixing wastewater with air district 36, third stage flotation separation district 37, clean water overflow district 38 and clear water zone 39.
Described multistage dissolved air water mixing zone and multistage flotation separation district, its progression can increase according to the volume of oil removing pot and environment for use or reduce.
In the present embodiment, the runner indentation, there of described clean water overflow dividing plate 17 is provided with movable weir plate 16.
In the present embodiment, the oil exit pipe 20 that in described horizontal tank body, the position adjacent with clear water zone is equipped with clear water zone collection tank 19 and is communicated with it, described oil exit pipe 20 is communicated with the oil discharge outlet 25 be arranged on bottom third stage flotation separation district 37.
In the present embodiment, described type sloping plate component 14 comprises swash plate, swash plate support and supports channel-section steel, by support slot bracing members below described swash plate support, support channel-section steel is furnished with swash plate.
Principle of work of the present utility model is:
Oil-containing water is evenly distributed on overflow section after entering buffer zone 31 current stabilization, at the oil droplet that top, buffer zone is floating, suspended substance overflow enters buffer zone collection tank, water enters first step mixing wastewater with air district 32 by buffer zone, gassy water to be distributed on water overflow section through reliever 28 and to mix with water, the bubble discharged in gassy water and oil droplet, suspended substance adheres to and forms adherend, then first step flotation separation district 33 is entered, along with pressure reduces, bubble volume constantly expands, float up to liquid level and form oil slick slag, under the adjustment of tank level control device, the oil slick slag overflow of accumulation enters collection tank, water after process flows downward and enters mixing wastewater with air district, the second stage 34 and form adherend with the bubble adhesion in gassy water, in flotation separation district, the second stage 35 by flotation separation out the overflow of oil slick slag enter collection tank, after bubble adhesion in third stage mixing wastewater with air district 35 with gassy water forms adherend, in third stage flotation separation district 36 after the crown_interception of type sloping plate component 14 pairs of fine oil droplets, the oil slick slag overflow that flotation separation goes out enters collection tank, all collection tanks are communicated with the oil trap of buffer zone, by outside flotation area oil discharge outlet 8 drain tank.Behind every one-level mixing wastewater with air district, have one-level flotation separation district, gassy water mixes with water in mixing zone, and the oil droplet in the bubble discharged and water, suspended substance adhere to and form adherend, and in flotation separation, district is separated.Flotation separation district collection tank is all fixed with on the oil separating plate top in every one-level flotation separation district, can timely and effective skim oil slick slag, avoid the generation of back-mixing.Liquid after three grades of flotation separation process climbs over clean water overflow dividing plate and enters clear water zone.Clear water zone collection tank 19 is equipped with at position adjacent with clear water zone 39 in tank body, can carry out skim, make water outlet oleaginousness lower to the oil slick being mixed into clear water zone.Be provided with movable weir plate 16 in the runner indentation, there of clean water overflow dividing plate 17, wider oily water treatment amount variation can be adapted to.
The embodiment that the utility model accompanying drawing describes is exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Claims (4)
1. a flat flow flotation oil removing pot, comprise horizontal tank body, be arranged on the water-in on tank body one end and be arranged on the manhole at tank body top, air inlet/outlet, transmitter interface and valve interface, it is characterized in that: be buffer zone, multistage mixing wastewater with air district, multistage flotation separation district, clean water overflow district and clear water zone by oil separating plate and mixing zone baffle for separating in described horizontal tank body;
The bottom in described Mei Ji mixing wastewater with air district is equipped with gassy water reliever and gassy water import, described each oil separating plate top is all fixed with flotation separation district collection tank, described each flotation separation district collection tank all be arranged on tank body internal upper part and run through the oil sump of multistage flotation separation district and buffer zone;
A flotation separation district is built with the type sloping plate component that can improve fine oil droplets rejection effect wherein, is provided with clean water overflow dividing plate between described clean water overflow district and clear water zone;
One side of described tank body is provided with flotation area oil discharge outlet.
2. flat flow flotation oil removing pot according to claim 1, is characterized in that: the layout of the multistage mixing wastewater with air district in described horizontal tank body, multistage flotation separation district, clean water overflow district and clear water zone is: the first step mixing wastewater with air district adjacent with buffer zone, first step flotation separation district, mixing wastewater with air district, the second stage, flotation separation district, the second stage, third stage mixing wastewater with air district, third stage flotation separation district, clean water overflow district and clear water zone.
3. flat flow flotation oil removing pot according to claim 1, is characterized in that: the runner indentation, there of described clean water overflow dividing plate is provided with movable weir plate.
4. flat flow flotation oil removing pot according to claim 1, is characterized in that: described type sloping plate component comprises swash plate, swash plate support and supports channel-section steel, by support slot bracing members below described swash plate support, support channel-section steel is furnished with swash plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520407331.7U CN204803036U (en) | 2015-06-12 | 2015-06-12 | Flotation of advection formula removes oil tank |
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| CN201520407331.7U CN204803036U (en) | 2015-06-12 | 2015-06-12 | Flotation of advection formula removes oil tank |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106890483A (en) * | 2017-04-13 | 2017-06-27 | 江苏江涛环境工程有限公司 | A kind of oil water separator and the method that water-oil separating is carried out using the oil water separator |
| CN106957084A (en) * | 2017-03-24 | 2017-07-18 | 胜利油田森诺胜利工程有限公司 | From excessive type graphene oil-contained waste water treatment device |
| CN108178251A (en) * | 2018-02-28 | 2018-06-19 | 浙江晟科环境工程有限公司 | A kind of electro-catalysis Multifunctional water purifying device and its electro-catalysis Multifunctional water purification method |
| CN109499776A (en) * | 2018-09-26 | 2019-03-22 | 安溪县斯马拓科技发展有限公司 | A kind of partial reflux dissolved air flotation system |
| WO2021104544A1 (en) * | 2019-11-28 | 2021-06-03 | Ecopetrol S.A. | Compact flotation device for water treatment - ecoflocs |
-
2015
- 2015-06-12 CN CN201520407331.7U patent/CN204803036U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106957084A (en) * | 2017-03-24 | 2017-07-18 | 胜利油田森诺胜利工程有限公司 | From excessive type graphene oil-contained waste water treatment device |
| CN106890483A (en) * | 2017-04-13 | 2017-06-27 | 江苏江涛环境工程有限公司 | A kind of oil water separator and the method that water-oil separating is carried out using the oil water separator |
| CN108178251A (en) * | 2018-02-28 | 2018-06-19 | 浙江晟科环境工程有限公司 | A kind of electro-catalysis Multifunctional water purifying device and its electro-catalysis Multifunctional water purification method |
| CN108178251B (en) * | 2018-02-28 | 2020-08-07 | 浙江晟科环境工程有限公司 | Electro-catalysis multifunctional water purifying device and electro-catalysis multifunctional water purifying method thereof |
| CN109499776A (en) * | 2018-09-26 | 2019-03-22 | 安溪县斯马拓科技发展有限公司 | A kind of partial reflux dissolved air flotation system |
| WO2021104544A1 (en) * | 2019-11-28 | 2021-06-03 | Ecopetrol S.A. | Compact flotation device for water treatment - ecoflocs |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20161013 Address after: 100010 Dongcheng District, Chaoyangmen, North Street, No. 25, ocean Oil Mansion, No. Patentee after: CNOOC Energy Development Co., Ltd. Patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES-SAFETY AND ENVIRONMENTAL PROTECTION CO. Patentee after: VERITAS-MSI Address before: 100010 Dongcheng District, Chaoyangmen, North Street, No. 25, ocean Oil Mansion, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Energy Development Co., Ltd. Patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES-SAFETY AND ENVIRONMENTAL PROTECTION CO. Patentee before: VERITAS-MSI |