CN215161526U - Integrated oil field sewage filtering device - Google Patents
Integrated oil field sewage filtering device Download PDFInfo
- Publication number
- CN215161526U CN215161526U CN202120716361.1U CN202120716361U CN215161526U CN 215161526 U CN215161526 U CN 215161526U CN 202120716361 U CN202120716361 U CN 202120716361U CN 215161526 U CN215161526 U CN 215161526U
- Authority
- CN
- China
- Prior art keywords
- connecting pipeline
- tank
- valve
- pipeline
- water
- 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.)
- Active
Links
Images
Landscapes
- Physical Water Treatments (AREA)
Abstract
The utility model relates to an oil field sewage integrated filtering device, which comprises a separating tank, a filtering tank, a backwashing pump and a water tank, wherein the separating tank and the filtering tank are connected through a first connecting pipeline, and a separating valve is arranged on the first connecting pipeline; a second connecting pipeline is also arranged between the separating tank and the filtering tank, one end of the second connecting pipeline is connected with the separating tank, the other end of the second connecting pipeline is connected with the filtering tank, a first backwashing valve and a second backwashing valve are installed on the second connecting pipeline, a third connecting pipeline is arranged on the second connecting pipeline, the connecting position of the third connecting pipeline and the second connecting pipeline is positioned between the first backwashing valve and the second backwashing valve, one end of the third connecting pipeline, which is not connected with the second connecting pipeline, is connected with a water outlet of a backwashing pump, a water inlet of the backwashing pump is connected with a water outlet of a water tank, a water inlet of the water tank is connected with the filtering tank through a fourth connecting pipeline, and a water outlet valve is arranged on the fourth connecting pipeline; the separating tank is connected with a lifting pump, and the oilfield sewage integrated filtering device has a good sewage cleaning effect.
Description
Technical Field
The utility model relates to an oil field oily sewage treatment technical field, concretely relates to oil field sewage integration filter equipment.
Background
The oily sewage of oil field is industrial waste water produced in petroleum extraction, oil and gas gathering and transportation and other links and comprising crude oil, water, petroleum hydrocarbon matter, residual chemical agent, solid mechanical impurity, etc. Domestic oil fields generally carry out corresponding treatment on oily sewage and then reinject the oily sewage to supplement stratum energy.
At present, the domestic oil field is mainly treated by three-stage treatment processes of sedimentation, oil removal and filtration. The oily sewage is subjected to primary oil, water and gas separation from a three-phase separator, then enters a settling tank, most of floating oil and oil sludge at the bottom of the tank are separated through settling for about 12 hours, and the oily sewage after settling treatment enters an oil removal section. The oil removing section generally adopts technologies such as a horizontal oil remover, air floatation and the like to remove free oil and dispersed oil in the oil removing section, most suspended solid particles are removed through a filtering section, and the effluent quality is detected to reach the standard and then is injected back into the stratum. When the three-stage treatment process is adopted to treat oily sewage, the quality of effluent water at an oil removal stage is the most critical, and if the effluent water has high oil content, walnut shells and quartz sand filter materials such as an ultrafiltration membrane and the like adopted in a rear-end filtration stage are quickly polluted by crude oil, so that the filtration flux is reduced, the pressure is increased, and the normal water injection production is seriously influenced.
In recent years, the domestic oily sewage treatment technology has made some research progress. The effect of removing free oil and emulsified oil by the transverse flow oil remover is not ideal, the air floatation equipment generates large amount of sludge and cannot process the sludge, and the biological oil removing technology has the advantages of good oil removing effect, low energy consumption, no secondary pollution and the like, but also has the limitations of large occupied area of the equipment, long retention time of sewage, weak impact resistance and the like.
Disclosure of Invention
An object of the utility model is to provide an oil field sewage integration filter equipment to at least in order to solve foretell a technical problem.
The technical scheme of the application is as follows: an oil field sewage integrated filtering device comprises a separation tank, a filtering tank, a backwashing pump and a water tank, wherein the separation tank is connected with the filtering tank through a first connecting pipeline, and a separation valve is arranged on the first connecting pipeline; a second connecting pipeline is further arranged between the separation tank and the filter tank, one end of the second connecting pipeline is connected with the separation tank, the other end of the second connecting pipeline is connected with the filter tank, a first backwashing valve and a second backwashing valve are mounted on the second connecting pipeline, a third connecting pipeline is arranged on the second connecting pipeline, the connecting position of the third connecting pipeline and the second connecting pipeline is located between the first backwashing valve and the second backwashing valve, one end, which is not connected with the second connecting pipeline, of the third connecting pipeline is connected with the water outlet of the backwashing pump, the water inlet of the backwashing pump is connected with the water outlet of the water tank, the water inlet of the water tank is connected with the filter tank through a fourth connecting pipeline, and a water outlet valve is arranged on the fourth connecting pipeline; and the separation tank is connected with a lift pump.
Preferably, the lift pump and the separation tank are connected through a fifth connecting pipeline, and a water inlet valve is arranged on the fifth connecting pipeline.
Preferably, a bypass pipeline is arranged on the third connecting pipeline, and a drain valve is installed on the bypass pipeline.
Preferably, an air compressor is connected to the separation tank.
Preferably, a first pressure transmitter is installed on the water tank; a second pressure transmitter is arranged on the second connecting pipeline and is positioned between the separation tank and the separation valve; and a third pressure transmitter and an electric contact pressure gauge are installed on the fifth connecting pipeline, the third pressure transmitter is positioned between the separating tank and the water inlet valve, and the electric contact pressure gauge is positioned on one side of the lifting pump, which is far away from the water inlet valve.
Preferably, a first sewage discharge pipeline is arranged on the filter tank, and a first sewage discharge valve is arranged on the first sewage discharge pipeline; and a second sewage draining pipeline and a water outlet pipeline are installed on the separating tank, a second sewage draining valve is installed on the second sewage draining pipeline, and an oil draining valve is installed on the water outlet pipeline.
Preferably, the first sewage draining pipeline, the second sewage draining pipeline and the water outlet pipeline are all connected with a common pipeline.
Preferably, still include sled dress frame, knockout drum, filter tank, backwash pump, water tank and elevator pump set up in sled dress frame.
Preferably, a control cabinet is further arranged in the skid-mounted frame.
Preferably, an oil-water interface instrument is installed on the separation tank.
The utility model provides an oil field sewage integration filter equipment application method as follows:
1. starting device
Starting the lift pump and the air compressor to enable the clear water tank to feed water, wherein the water inlet valve, the separating valve and the water outlet valve are in an on state at the moment, and the rest valves are in an off state.
2. Separator tank cleaning
The separation tank can be cleaned automatically or manually, when the separation tank is cleaned, the lift pump is stopped, the backwashing pump is started, the second backwashing valve and the oil discharge valve are in an on state, and other valves are in an off state.
3. Filter tank cleaning
The filter tank cleaning can be automatically operated or manually operated, the lifting pump is stopped and stopped, the backwashing pump is started, the first backwashing valve and the first blowdown valve are in an on state, and the rest valves are in an off state.
4. Oil discharge of separation tank
When the feedback value of the oil-water interface instrument at the top of the separation tank reaches a set value, the separation tank is started to discharge oil, the lift pump continues to operate at the moment, the separation valve is closed, and the oil discharge valve is opened.
The integrated oil field sewage filtering device has the following advantages:
1. the sewage cleaning effect is good, and the backwashing structure is arranged to reversely impact the filtering structure, so that crude oil is not easy to gather on the filtering structure, the filtering flux is good, the pressure is not easy to rise, and the water injection production is facilitated;
2. the skid-mounted design has compact structure and convenient transportation, and is suitable for various production environments such as station warehouses, well sites and the like.
Drawings
FIG. 1 is a schematic view of the integrated oil field wastewater filtering device according to the present invention;
FIG. 2 is a schematic view of the external structure of the separation tank of the present invention;
in the figure: 1. a separation tank; 2. a filter tank; 3. a backwash pump; 4. a water tank; 5. a first connecting pipe; 6. a second connecting pipe; 7. a third connecting pipe; 8. a fourth connecting pipe; 9. a lift pump; 10. a fifth connecting pipe; 12. an air compressor; 13. a first sewerage pipeline; 14. a second sewerage pipeline; 15. a water outlet pipeline; 16. a common conduit; 17. a control cabinet; 18. a bypass conduit; 19. skid-mounting the frame; 20. an oil-water interface instrument; v1, a water inlet valve; v2, separation valve; v3, a water outlet valve; v4, first backwash valve; v5, second backwash valve; v6, drain valve; v7, first drain valve; v8, a second blowdown valve; v9, oil drain valve; e1, a third pressure transmitter; e2, a second pressure transmitter; e3, a first pressure transmitter; e4, electric contact pressure gauge.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
An integrated oil field sewage filtering device, which is shown in fig. 1 and fig. 2, comprises a separation tank 1, a filtering tank 2, a backwashing pump 3 and a water tank 4, wherein the separation tank and the filtering tank are connected through a first connecting pipeline 5, and a separation valve V2 is arranged on the first connecting pipeline; a second connecting pipeline 6 is further arranged between the separation tank and the filter tank, one end of the second connecting pipeline is connected with the separation tank, the other end of the second connecting pipeline is connected with the filter tank, a first backwashing valve V4 and a second backwashing valve V5 are installed on the second connecting pipeline, a third connecting pipeline 7 is arranged on the second connecting pipeline, the connecting position of the third connecting pipeline and the second connecting pipeline is located between the first backwashing valve and the second backwashing valve, one end, which is not connected with the second connecting pipeline, of the third connecting pipeline is connected with the water outlet of the backwashing pump, the water inlet of the backwashing pump is connected with the water outlet of the water tank, the water inlet of the water tank is connected with the filter tank through a fourth connecting pipeline 8, and a water outlet valve V3 is arranged on the fourth connecting pipeline; the separating tank is connected with a lift pump 9, the lift pump is connected with the separating tank through a fifth connecting pipeline 10, and a water inlet valve V1 is arranged on the fifth connecting pipeline. In this embodiment, the separation tank and the filtration tank may use existing structures; in order to improve the cleaning effect, an air compressor 12 is connected to the separation tank, and air is fed into the separation tank by using the air compressor so as to facilitate water drainage of the separation tank; in order to facilitate drainage, a bypass pipeline 18 is arranged on the third connecting pipeline, a drain valve V6 is mounted on the bypass pipeline, in order to facilitate drainage of the filter tank, a first drainage pipeline 13 is mounted on the filter tank, and a first drainage valve V7 is mounted on the first drainage pipeline; in order to facilitate the pollution discharge and oil discharge of the separation tank, a second pollution discharge pipeline 14 and a water outlet pipeline 15 are installed on the separation tank, a second pollution discharge valve V8 is installed on the second pollution discharge pipeline, an oil discharge valve V9 is installed on the water outlet pipeline, and the first pollution discharge pipeline, the second pollution discharge pipeline and the water outlet pipeline are all connected with a common pipeline 16. In order to facilitate transportation, a skid-mounted frame 19 is further arranged in the embodiment, and the separation tank, the filter tank, the backwashing pump, the water tank, the lifting pump and the like are arranged in the skid-mounted frame, so that the device is compact in overall structure, convenient to transport and suitable for various production environments such as a station warehouse and a well site. For the convenience of control, still be provided with switch board 17 in the sled dress frame, for the convenience of detecting the oil extraction, install oil water interface appearance 20 on the knockout drum.
The method for using the device comprises the following steps:
1. starting device
Starting the lift pump and the air compressor to enable the clear water tank to feed water, wherein the water inlet valve, the separating valve and the water outlet valve are in an on state at the moment, and the rest valves are in an off state.
2. Separator tank cleaning
The separation tank can be cleaned automatically or manually, when the separation tank is cleaned, the lift pump is stopped, the backwashing pump is started, the second backwashing valve and the oil discharge valve are in an on state, and other valves are in an off state.
3. Filter tank cleaning
The filter tank cleaning can be automatically operated or manually operated, the lifting pump is stopped and stopped, the backwashing pump is started, the first backwashing valve and the first blowdown valve are in an on state, and the rest valves are in an off state.
4. Oil discharge of separation tank
When the feedback value of the oil-water interface instrument at the top of the separation tank reaches a set value, the separation tank is started to discharge oil, the lift pump continues to operate at the moment, the separation valve is closed, and the oil discharge valve is opened.
The integrated oil field sewage filtering device has the following advantages:
1. the sewage cleaning effect is good, and the backwashing structure is arranged to reversely impact the filtering structure, so that crude oil is not easy to gather on the filtering structure, the filtering flux is good, the pressure is not easy to rise, and the water injection production is facilitated;
2. the skid-mounted design has compact structure and convenient transportation, and is suitable for various production environments such as station warehouses, well sites and the like.
Example 2, the example is a further improvement on the basis of example 1
Referring to fig. 1, a first pressure transmitter E3 is mounted on the water tank; a second pressure transmitter E2 is installed on the second connecting pipeline, and the second pressure transmitter is positioned between the separation tank and the separation valve; and a third pressure transmitter E1 and an electric contact pressure gauge E4 are installed on the fifth connecting pipeline, the third pressure transmitter is positioned between the separating tank and the water inlet valve, and the electric contact pressure gauge is positioned on one side of the lifting pump, which is far away from the water inlet valve. Through setting up pressure transmitter and electric contact manometer for the device can be convenient for detect, is particularly useful for realizing automatic control.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, and the words first, second, etc. are used only for the distinction of names and not for the limitation of technical terms, and it is obvious to those skilled in the art that the present invention can be variously modified and changed. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The oil field sewage integrated filtering device is characterized by comprising a separation tank (1), a filtering tank (2), a backwashing pump (3) and a water tank (4), wherein the separation tank and the filtering tank are connected through a first connecting pipeline (5), and a separation valve (V2) is arranged on the first connecting pipeline;
a second connecting pipeline (6) is further arranged between the separation tank and the filter tank, one end of the second connecting pipeline is connected with the separation tank, the other end of the second connecting pipeline is connected with the filter tank, a first backwashing valve (V4) and a second backwashing valve (V5) are installed on the second connecting pipeline, a third connecting pipeline (7) is arranged on the second connecting pipeline, the connecting position of the third connecting pipeline and the second connecting pipeline is located between the first backwashing valve and the second backwashing valve, one end, which is not connected with the second connecting pipeline, of the third connecting pipeline is connected with the water outlet of the backwashing pump, the water inlet of the backwashing pump is connected with the water outlet of the water tank, the water inlet of the water tank is connected with the filter tank through a fourth connecting pipeline (8), and a water outlet valve (V3) is arranged on the fourth connecting pipeline;
the separating tank is connected with a lift pump (9).
2. The oilfield sewage integrated filtering device according to claim 1, wherein the lift pump and the separation tank are connected through a fifth connecting pipeline (10), and a water inlet valve (V1) is arranged on the fifth connecting pipeline.
3. The oilfield sewage integrated filtering device according to claim 2, wherein a bypass pipeline (18) is arranged on the third connecting pipeline, and a drain valve (V6) is arranged on the bypass pipeline.
4. The oilfield sewage integrated filtering device according to claim 3, wherein an air compressor (12) is connected to the separation tank.
5. The oilfield sewage integrated filtering device according to claim 4, wherein the water tank is provided with a first pressure transmitter (E3);
a second pressure transmitter (E2) is arranged on the second connecting pipeline and is positioned between the separation tank and the separation valve;
and a third pressure transmitter (E1) and an electric contact pressure gauge (E4) are installed on the fifth connecting pipeline, the third pressure transmitter is positioned between the separating tank and the water inlet valve, and the electric contact pressure gauge is positioned on one side, far away from the water inlet valve, of the lifting pump.
6. The oilfield sewage integrated filtering device according to any one of claims 1-5, wherein the filter tank is provided with a first sewage discharge pipeline (13) which is provided with a first sewage discharge valve (V7);
install second sewage pipes (14) and outlet conduit (15) on the knockout drum, install second blowoff valve (V8) on the second sewage pipes, the last oil drain valve (V9) of installing of outlet conduit.
7. The oilfield wastewater integrated filtering device of claim 6,
the first sewage draining pipeline, the second sewage draining pipeline and the water outlet pipeline are all connected with a common pipeline (16).
8. The oilfield sewage integrated filtering device of claim 6, further comprising a skid-mounted frame (19), wherein the separation tank, the filter tank, the backwash pump, the water tank and the lift pump are arranged in the skid-mounted frame.
9. The oilfield sewage integrated filtering device according to claim 8, wherein a control cabinet (17) is further arranged in the skid-mounted frame.
10. The oilfield wastewater integrated filtering device according to claim 8, wherein the separation tank is provided with an oil-water interface meter (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120716361.1U CN215161526U (en) | 2021-04-08 | 2021-04-08 | Integrated oil field sewage filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120716361.1U CN215161526U (en) | 2021-04-08 | 2021-04-08 | Integrated oil field sewage filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215161526U true CN215161526U (en) | 2021-12-14 |
Family
ID=79359903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120716361.1U Active CN215161526U (en) | 2021-04-08 | 2021-04-08 | Integrated oil field sewage filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215161526U (en) |
-
2021
- 2021-04-08 CN CN202120716361.1U patent/CN215161526U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103755052B (en) | A kind for the treatment of process of oil refining Wastewater by Electric desalination black liquor and system | |
| CN106587437A (en) | Movable efficient oily sewage treatment process | |
| CN106430737A (en) | Low-permeability oilfield reinjection water treatment method | |
| CN201793456U (en) | Oily sewage treatment system | |
| CN105236682A (en) | Treatment method and device for waste water containing greasy dirt | |
| CN205709989U (en) | A kind of oilfield sewage oil removal sand removal sedimenting system | |
| CN109422299B (en) | Oil-water separation device and oil-water separation method | |
| CN215161526U (en) | Integrated oil field sewage filtering device | |
| CN202279719U (en) | Sequencing batch type circulating air-floatation oil-water separation equipment | |
| CN102583816A (en) | Method for reusing and treating oily wastewater by adopting nitrogen gas floatation technology | |
| CN208038181U (en) | A kind of oil exploitation produced water treatment injected oil-containing sewage treatment system up to standard | |
| KR20020024008A (en) | Oil-Water Separator which is equipped with Mash Plate Filter Module | |
| CN109847408A (en) | Integrated form oily water separating equipment | |
| CN202968270U (en) | Water treatment device of oil water separator | |
| CN2706461Y (en) | High efficiency automatic floating oil collector | |
| CN201390687Y (en) | Advanced treatment device for super heavy oil sewage | |
| CN202191731U (en) | Automatic oil-water separating device | |
| CN211226820U (en) | Compact and efficient oil removing device for offshore platform production wastewater | |
| CN211255494U (en) | Low-permeability oil field oily sewage reinjection treatment device | |
| CN104341052A (en) | Skid-mounted multifunctional integral oil field water treatment device | |
| CN201333333Y (en) | Novel oil-water separator | |
| CN207243607U (en) | A kind of high sludge containing sewage of skid integration separates and greasy filth slurry enrichment facility | |
| CN206328237U (en) | Marine movable type well-flushing water treatment facilities | |
| CN217838427U (en) | Multi-runner dissolved air flotation for sewage treatment | |
| CN100448507C (en) | Process for assistant chemical treatment of oil field sullage rotational flow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |