CN202778078U - Rotational flow air floatation pressure filter - Google Patents
Rotational flow air floatation pressure filter Download PDFInfo
- Publication number
- CN202778078U CN202778078U CN 201220268505 CN201220268505U CN202778078U CN 202778078 U CN202778078 U CN 202778078U CN 201220268505 CN201220268505 CN 201220268505 CN 201220268505 U CN201220268505 U CN 201220268505U CN 202778078 U CN202778078 U CN 202778078U
- Authority
- CN
- China
- Prior art keywords
- tank body
- filter
- wall
- cyclone air
- liquid level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Cyclones (AREA)
Abstract
The utility model is applicable to the technical field of treatment on oil field produced water, and discloses a rotational flow air floatation pressure filter which comprises a tank body, wherein the upper part of the tank body is provided with an air inlet and an air outlet, a drain outlet is formed at the bottom, a rotational flow barrel is arranged in the tank body, and a filtering unit is filled between the outer wall of the rotational flow barrel and the inner wall of the tank body. According to the utility model, rotational flow air floatation and filtering are integrated, and combined backwashing of bubbles and water is adopted in the backwashing of filter material, thereby reducing backwashing time and use amount of backwashing water, further shortening the flow, reducing equipment investment cost and greatly improving the filtering effect.
Description
Technical field
The utility model belongs to the Treatment Techniques of Extracted Water from Crude Oil Production field, relates in particular to a kind of full-automatic sewage treatment facility that adopts cyclone air-flotation and filtering technique.
Background technology
In the oil-contaminated water of oil field treatment process, filtering technique is as a kind of ripe utilization of technique of advanced treating; Normal working pressure filtering tank guarantees that as the processing unit of afterbody the index of last oil-containing and suspension meets the demands in oil-contaminated water of oil field is processed.Pressure filter tank can be divided into single filtrate, double filtering and multilayer media filtration tank according to the filtrate kind usually, and filtrate generally adopts shell filtrate (such as walnut shell) and mineral filtrate (such as quartz sand, anthracite etc.).Conventional pressure filter tank requires the entrance oil content to be not more than 100mg/l, otherwise can have influence on last processing index and add big reverse washing number of times and backwash water consumption; Therefore general water treatment technological process generally can come water with three phase separator---air supporting or inclined plate sedimentation---the long flow process of filtering tertiary treatment is carried out design and construction.
The utility model content
For solving the problems such as prior art treatment process length, poor filtration effect and equipment investment cost height, the purpose of this utility model is to provide a kind of cyclone air-flotation filter-press that is integrated with cyclone air-flotation and filtering technique, when the filtrate backwash, adopt bubble and water associating backwash, reduced backwash time and backwash water consumption, and further shortened flow process, reduced equipment investment cost and greatly improved filter effect.
The utility model is achieved in that the cyclone air-flotation filter-press, comprises tank body, described tank body top is provided with air inlet and gas outlet, the bottom is provided with sewage draining exit, is provided with whirl cylinder in described tank body, is filled with filter element between the inwall of described whirl cylinder outer wall and described tank body.
Preferably, described whirl cylinder top is cylindric, and the bottom is outwards dispersed and is vertebra shape loop configuration, and described whirl cylinder lower end is fixed on described inner tank wall.
Preferably, described filter element comprises filter screen, filter bed, supporting layer and grid gripper shoe from top to bottom successively.
Preferably, described supporting layer is comprised of the gravel of different-grain diameter.
Preferably, be provided with oil trap directly over described whirl cylinder, the tank wall above described filter element is provided with an oil export, and described oil export communicates with described oil trap; Described oil export adjacent above tank wall be provided with a pressure display transformer and the first liquid level display transformer.
Preferably, on the tank body top outer wall of adjacent above described pressure display transformer and the first liquid level display transformer, also be provided with the first differential manometer and the second liquid level display transformer, on the outer wall of the tank wall below described pressure display transformer and the first liquid level display transformer, also be provided with the second differential manometer and the 3rd liquid level display transformer, form a cavity between the lower edge of described whirl cylinder, described filter element and the described inner tank wall three, described the second differential manometer and the 3rd liquid level display transformer communicate with described cavity.
Preferably, also be respectively equipped with a water out, sewage draining exit and at least one backwashing water import on the described tank wall, described water out, sewage draining exit and backwashing water import communicate with described cavity.
Preferably, being provided with at least one oil-polluted water import at the outer wall of described tank body communicates with the lower port of described whirl cylinder.
Preferably, also be provided with safety valve, drain and backwashing water outlet on the outer wall on the top of described tank body.
The utility model adopts cyclone air-flotation and is filtered into one, and adopts bubble and water associating backwash when the filtrate backwash, has reduced backwash time and backwash water consumption, has further shortened flow process, reduced equipment investment cost and has greatly improved filter effect.
Description of drawings
Fig. 1 is the structural representation that the utility model embodiment provides;
Fig. 2 is the process flow diagram that the utility model embodiment provides.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Below in conjunction with accompanying drawing the utility model embodiment is described in detail:
As shown in Figure 1, the cyclone air-flotation filter-press comprises tank body 1, described tank body 1 top is provided with air inlet 14 and gas outlet 15, the bottom is provided with sewage draining exit 13, is provided with whirl cylinder 2 in described tank body 1, is filled with filter element 3 between the inwall of described whirl cylinder 2 outer walls and described tank body.The utility model adopts cyclone air-flotation and is filtered into one, and adopts nitrogen bubble and water associating backwash when the filtrate backwash, has reduced backwash time and backwash water consumption, has further shortened flow process, reduced equipment investment cost and has greatly improved filter effect.
Described whirl cylinder 2 tops are cylindric, and the bottom is outwards dispersed and is vertebra shape loop configuration, and described whirl cylinder 2 lower ends are fixed on described tank body 1 inwall.The eddy flow in the whirl cylinder in the middle of the tank body of oil-polluted water is convenient in the setting of this structure, adds backwashing water in the closed cavity under the filter element again, carries out backwash.
Described filter element 3 comprises filter screen 31, filter bed 32, supporting layer 33 and grid gripper shoe 34 from top to bottom successively.Described filter bed 32 is comprised of anthracite and magnetic ore, and described supporting layer 33 is comprised of the gravel of different-grain diameter.The effect of filter screen is that the filtrate when preventing backwash runs and loses; Filter bed is comprised of anthracite and magnetic iron ore, and (present embodiment adopts magnetic iron ore, also can according to concrete requirement, select single filter material), supporting layer is comprised of the gravel of different-grain diameter, and purpose is to support filter bed and large resistance backwash is provided.
Be provided with oil trap 4 directly over described whirl cylinder 2, tank body 1 outer wall above described filter element 3 is provided with an oil export 5, and described oil export 5 communicates with described oil trap 4; Sewage is by filter element, and most oil and suspension will be trapped and tackle; Sump oil will be discharged by oil trap.
Described oil export 5 adjacent above tank body 1 outer wall be provided with a pressure display transformer 12 and the first liquid level display transformer 10.On the tank body 1 top outer wall of adjacent above described pressure display transformer 12 and the first liquid level display transformer 10, also be provided with the first differential manometer 11 and the second liquid level display transformer 10, on the outer wall of tank body 1 sidewall below described pressure display transformer 12 and the first liquid level display transformer 10, also be provided with the second differential manometer 11 and the 3rd liquid level display transformer 10, the lower edge of described whirl cylinder 2, form a cavity between described filter element 3 and the described tank body 1 inwall three, described the second differential manometer 11 and the 3rd liquid level display transformer 10 communicate with described cavity.This kind is provided with and helps at oil-polluted water at eddy flow with filter in the process of backwash, and liquid level and pressure differential in the in good time control and measurement tank body of the liquid level display transformer by the outside and differential manometer are convenient to the control of overall flow.
Particularly, also be respectively equipped with a water out 9, sewage draining exit 8 and at least one backwashing water import 7 on described tank body 1 outer wall, described water out 9, sewage draining exit 8 and backwashing water import 7 communicate with described cavity.As shown in Figure 2, being provided with at least one oil-polluted water import 6 at the outer wall of described tank body 1 communicates with the lower port of described whirl cylinder 2.The equipment importation oil-polluted water (requires oil-containing to be not more than 1000mg/l, suspension is not more than 500mg/l) mix with the nitrogen of introducing, the bubble diameter in the water is reduced and further even with water by the cutting vortex mixer (not shown) on two oil-polluted water imports, 6 pipes.Produce eddy flow by oil-polluted water import 6 in tank body 1 inside, be combined in the air supporting effect that tank body 1 interior bubble discharges generation, oil droplet and suspension are concentrated in the whirl cylinder 2 that tank body 1 middle part arranges and along with the water (flow) direction that makes progress, sewage through air supporting and eddy flow processing, general oil-containing can be less than 100mg/l, and suspension is less than 100mg/l; Enter after climbing over by Swirl cylinder 2 outer walls and be filter unit 3.Sewage is by filter element 3, and most oil and suspension will be trapped and tackle; The sewage of processing is discharged by water out 9.
After normal operation a period of time, general backwash requirement according to the conventional filtration device, to carry out backwash and regeneration to filtrate after 12 hours, at this moment, the cyclone air-flotation filter-press will begin to start backwash procedure, backwash water enters from the backwash water import, in order better to guarantee the backwash effect, nitrogen can join in the backwash water, and the effect of air water associating backwash is provided when backwash, the purpose of doing like this is to reduce the backwash time, reduces the backwash water consumption.Backwash water enters from the backwash water import, and by the abundant backwash to filtrate, backwash water is discharged from the backwash water outlet.
Be respectively equipped with safety valve 16, drain 17 and backwashing water outlet 18 on the external wall of upper portion of described tank body 1.Be convenient to the security control in the tank body, and backwashing water and nitrogen is emptying.
Whole pressure filtration apparatus adopts PLC control, and normal filtration and backwash are carried out fully automatic operation by PLC.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. cyclone air-flotation filter-press, comprise tank body, described tank body top is provided with air inlet and gas outlet, and the bottom is provided with sewage draining exit, it is characterized in that: in described tank body, be provided with whirl cylinder, be filled with filter element between the inwall of described whirl cylinder outer wall and described tank body.
2. cyclone air-flotation filter-press according to claim 1, it is characterized in that: described whirl cylinder top is cylindric, and the bottom is outwards dispersed and is vertebra shape loop configuration, and described whirl cylinder lower end is fixed on described inner tank wall.
3. cyclone air-flotation filter-press according to claim 1, it is characterized in that: described filter element comprises filter screen, filter bed, supporting layer and grid gripper shoe from top to bottom successively.
4. cyclone air-flotation filter-press according to claim 3, it is characterized in that: described supporting layer is comprised of the gravel of different-grain diameter.
5. cyclone air-flotation filter-press according to claim 1, it is characterized in that: be provided with oil trap directly over described whirl cylinder, the tank wall above described filter element is provided with an oil export, and described oil export communicates with described oil trap; Described oil export adjacent above tank wall be provided with a pressure display transformer and the first liquid level display transformer.
6. cyclone air-flotation filter-press according to claim 5, it is characterized in that: on the tank body top outer wall of adjacent above described pressure display transformer and the first liquid level display transformer, also be provided with the first differential manometer and the second liquid level display transformer, on the outer wall of the tank wall below described pressure display transformer and the first liquid level display transformer, also be provided with the second differential manometer and the 3rd liquid level display transformer, the lower edge of described whirl cylinder, form a cavity between described filter element and the described inner tank wall three, described the second differential manometer and the 3rd liquid level display transformer communicate with described cavity.
7. cyclone air-flotation filter-press according to claim 6, it is characterized in that: also be respectively equipped with a water out, sewage draining exit and at least one backwashing water import on the described tank wall, described water out, sewage draining exit and backwashing water import communicate with described cavity.
8. according to claim 1,2,5 or 6 described cyclone air-flotation filter-presses, it is characterized in that: be provided with at least one oil-polluted water import at the outer wall of described tank body and communicate with the lower port of described whirl cylinder.
9. according to claim 1,2,5,6 or 7 described cyclone air-flotation filter-presses, it is characterized in that: also be provided with the outlet of safety valve, drain and backwashing water on the outer wall on the top of described tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220268505 CN202778078U (en) | 2012-06-07 | 2012-06-07 | Rotational flow air floatation pressure filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220268505 CN202778078U (en) | 2012-06-07 | 2012-06-07 | Rotational flow air floatation pressure filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202778078U true CN202778078U (en) | 2013-03-13 |
Family
ID=47805424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220268505 Expired - Lifetime CN202778078U (en) | 2012-06-07 | 2012-06-07 | Rotational flow air floatation pressure filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202778078U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587243A (en) * | 2016-12-05 | 2017-04-26 | 中国海洋石油总公司 | Efficient cyclone and floatation integrated device |
| CN109264921A (en) * | 2018-10-11 | 2019-01-25 | 中国石油集团渤海石油装备制造有限公司 | A kind of dumpable double-cyclone integrated processing system of skid-mounted type and its application method |
| CN115893692A (en) * | 2021-08-04 | 2023-04-04 | 中国石油天然气集团有限公司 | Three-dimensional device and process for treating produced water |
-
2012
- 2012-06-07 CN CN 201220268505 patent/CN202778078U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587243A (en) * | 2016-12-05 | 2017-04-26 | 中国海洋石油总公司 | Efficient cyclone and floatation integrated device |
| CN109264921A (en) * | 2018-10-11 | 2019-01-25 | 中国石油集团渤海石油装备制造有限公司 | A kind of dumpable double-cyclone integrated processing system of skid-mounted type and its application method |
| CN109264921B (en) * | 2018-10-11 | 2021-04-09 | 中国石油集团渤海石油装备制造有限公司 | Skid-mounted inclinable double-rotational-flow integrated treatment system and use method thereof |
| CN115893692A (en) * | 2021-08-04 | 2023-04-04 | 中国石油天然气集团有限公司 | Three-dimensional device and process for treating produced water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202778078U (en) | Rotational flow air floatation pressure filter | |
| CN208980453U (en) | A kind of water treatment facilities of silt separation | |
| CN201578891U (en) | Novel sand filter | |
| CN203653339U (en) | Device for treating oilfield sewage to realize fine standard attainment | |
| CN202766365U (en) | Sludge water concentration and purification integrated treatment device | |
| CN203513377U (en) | Advanced wastewater treatment device | |
| CN104098217B (en) | Multifunctional all adhesive sewage fine treatment device | |
| CN102849836A (en) | Sludge water concentration and purification treatment method and integrated treatment device | |
| CN203033811U (en) | Magnetic separation algae water separator | |
| CN202465418U (en) | Baffling settlement automatic filtering water purification all-in-one machine | |
| CN205269219U (en) | Interior aeration embrane method water treatment facilities | |
| CN201346419Y (en) | Microporous ceramic filter | |
| CN104984571B (en) | A kind of high-efficient metallurgical industry waste water purifying device | |
| CN203291574U (en) | Skid-mounted fresh water filter | |
| CN203183774U (en) | Online filter | |
| CN206219323U (en) | Marine small marginal oil field produced-water reinjection processing system | |
| CN103265134B (en) | Automatic and energy-efficient aeration filter machine | |
| CN202700166U (en) | Polymer wastewater layering filter | |
| CN201978552U (en) | Double-way backwashing pressure filtering tank | |
| CN205699634U (en) | A kind of constant water level filtering and backwash integrated apparatus | |
| CN204767655U (en) | High -efficient metallurgical industry waste water purification clarifier | |
| CN105435529B (en) | Aeration embrane method water treatment facilities in a kind of | |
| CN203568877U (en) | Integrated water treatment equipment | |
| CN207085466U (en) | A kind of cleaned coal slurry concentration pre-dehydration device | |
| CN201823356U (en) | Low-pressure micro-resistance quartz sand filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |