CN201676590U - Refined water processing device for oilfields - Google Patents
Refined water processing device for oilfields Download PDFInfo
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- CN201676590U CN201676590U CN2010201801945U CN201020180194U CN201676590U CN 201676590 U CN201676590 U CN 201676590U CN 2010201801945 U CN2010201801945 U CN 2010201801945U CN 201020180194 U CN201020180194 U CN 201020180194U CN 201676590 U CN201676590 U CN 201676590U
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- tank
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Abstract
The utility model discloses a refined water processing device for oilfields, comprising a filtering tank, wherein the filtering tank is connected to a water coming pipeline respectively through a water inlet pipeline and a lifting pump; a plurality of external pressing type filtering elements are arranged in the filtering tank; the upper part of the filtering tank is provided with an oil receiving opening which is connected with an oil receiving pipeline, and the top thereof is connected to a water outlet line through a water outlet pipeline; the filtering tank is made of reinforced glass steel, the inner layer is made from glass fiber reinforced magnesium oxychloride gelatin, and the outer layer is made from resin-based glass fiber composite material; and the water coming pipeline, the water inlet pipeline, the water outlet pipeline and the water outlet line are respectively made form PPR material. As the filtering tank is made from the reinforced glass steel, and all connecting pipelines are respectively made from the PPR material, the device has strong corrosion-resistant property; the filtering units have the regeneration functions of on-line backflushing, backwashing and acid washing, and the inlet pipeline is provided with a medical adding opening through which the bacticide can be added, thereby effectively preventing the bacteria in the tank from growing.
Description
Technical field
The utility model relates to a kind of fine filter that satisfies oil field low-permeability oil deposit and the requirement of extra-low permeability oil reservoirs re-injection water, is specially the meticulous water treatment facilities in a kind of oil field.
Background technology
Low-permeability oil deposit is meant that generally the reservoir permeability is low, does not take well stimulation to only depend on the oil reservoir that the oil reservoir natural birth can the economy commercial development, distributes very extensive at China's low-permeability oil deposit.One of key technology of LOW PERMEABILITY OILFIELD DEVELOPMENT guarantees that exactly injection water quality is up to standard.Its major pollutants of oil field extracted water are crude oil, suspension and a large amount of iron and sulfide, salt etc., generally adopt the treatment process of " three sections routines " at present, be first order sedimentation separation oil removing, second level double filtering filter, third level fine filter, yet, existing oil field meticulous water treatment facilities ubiquity complex structure, corrosion-resistant, service life is short, the defective of power of regeneration difference.As patent is 942412869 microporous filters, owing to contain a spot of oil emulsion in the oil field extracted water, along with the accumulation of time can be sticked together on the surface of filter core, thereby influence producing water ratio, only takes off the slag reproduction operation with the very difficult realization of compressed-air actuated method filter core.If adopt pickling regeneration, then need filter element is taken out immersion regeneration, so maintenance is inconvenient, labour intensity is big, the existing meticulous water treatment facilities in oil field adopt the tank body and the pipeline of carbon steel and stainless steel mostly simultaneously, adopt interior anticorrosion with painting coating and two kinds of anti-corrosion measures of inside liner.Interior anticorrosion with painting is through the long-time immersion of water, and its surface can produce peeling, anticorrosive coat obscission, though and the anticorrosion antiseptic effect of inside liner obviously manufacturing process complexity, cost height.Adopt stainless steel tank body and the meticulous water treatment facilities of pipeline under the condition of water quality of high saliferous, high sulfur-bearing, also to be difficult to avoid the defective of corroding.
The utility model content
Technical problem to be solved in the utility model is to solve that oil field meticulous water treatment facilities ubiquity complex structure, corrosion-resistant, service life are short, the problem of power of regeneration difference.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted provides the meticulous water treatment facilities in a kind of oil field, comprise filtering tank, this filtering tank is connected on the arrival water lines through inlet pipeline successively with elevator pump, be provided with some external-compression type filter elements in the filtering tank, the top of filtering tank is provided with the receiving port that is connected with the collection tube road, the top of filtering tank is by outlet pipeline and be connected on the water outlet pipeline, filtering tank is the reinforced glass fiber reinforced plastic material, its internal layer is made by the fibreglass reinforced magnesium oxychloride gel, skin is made by the resin-base glass fibre composite, comes water lines, inlet pipeline, outlet pipeline and equal water outlet pipeline all adopt the PPR material.
In such scheme, come water lines to be provided with to add the dosing mouth of bactericide.
In such scheme, inlet pipeline is provided with first Pressure gauge, and outlet pipeline is provided with second Pressure gauge.
In such scheme, also comprise recoiling device and backwash device, described recoiling device comprises air compressor and air accumulator, the outlet of air compressor be connected on the air accumulator and the outlet of air accumulator to be connected to outlet pipeline by backflushing pipe be that backflushing pipe is provided with first pneumatic control valve; Described backwash device comprises backwashing pump, and the inlet of backwashing pump is connected to backwash and comes on the water lines, and outlet is connected on the outlet pipeline through the 3rd pneumatic control valve; The water outlet pipeline is provided with first pneumatic control valve.
In such scheme, also comprise acid dip pickle, this acid dip pickle comprises the pickling tank of acid picking pump and splendid attire pickle, pickling tank is connected on the filtering tank by the pickling pipeline, the pickling pipeline is provided with second-hand's brake control valve, the inlet of acid picking pump is connected on the filtering tank through the 4th hand control valve, and its outlet is communicated with the bottom of pickling tank through the 3rd pneumatic control valve.
The utility model, filtering tank adopts the reinforced glass fiber reinforced plastic material, its internal layer is made by the fibreglass reinforced magnesium oxychloride gel, skin is made by the resin-base glass fibre composite, and all connecting lines all adopt the PPR material, therefore has stronger corrosion resistance, in addition, filter element has online backflushing, backwash, pickling regeneration function, and inlet ductwork is provided with the dosing mouth that adds bactericide, can effectively prevent a jar interior bacteria breed.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Among the figure:
The 1-elevator pump; The 2-supporting leg; 3-the 4th pneumatic control valve; The 4-inlet pipeline; 5-the 5th pneumatic control valve; 6-the 3rd pneumatic control valve; 7-first pneumatic control valve; 8-second pneumatic control valve; The 9-check-valves; The first-hand brake control valve of 10-; The 11-air accumulator; The 12-air compressor; The 13-backwashing pump; 14-pickle refluxing opening; 15-second-hand's brake control valve; The 16-pickling tank; 17-the 4th hand control valve; The 18-acid picking pump; 19-the 3rd hand control valve; The import of 20-pickle; 21-the 4th pneumatic control valve; The 22-sewage draining exit; The 23-tank body; The 24-filter element, 25-external screw thread siphunculus; 26-filter element installing plate; 27-upper cover lid; 28-comes water lines; 29-first Pressure gauge; 30-water outlet pipeline; 31-second Pressure gauge; The 32-outlet pipeline.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is made detailed explanation.
As shown in Figure 1, the utility model comprises filtering tank, recoiling device, backwash device and acid dip pickle.
Filtering tank is made up of open-topped tank body 23 and upper cover lid 27, and tank body 23 is supported on the ground by supporting leg 2.Tank body 23 and upper cover lid 27 adopt the reinforced glass fiber reinforced plastic material to make, and its internal layer is the fibreglass reinforced magnesium oxychloride gel, and skin is the resin-base glass fibre composite, and this tank body 23 has stronger rotproofness.
In the tank body 23, the bottom tank wall is provided with water inlet, this water inlet is connected on the arrival water lines 28 with elevator pump 1 through inlet pipeline 4 successively, inlet pipeline 4 is provided with first Pressure gauge 29 and the 4th pneumatic control valve 3, comes water lines 28 to be provided with the dosing mouth that adds bactericide.The top of tank body 23 is connected with the collection tube road, and the oil slick in the tank body 23 is regularly discharged through the 5th pneumatic control valve 5, can effectively reduce oil film is adhered to, and the bottom of tank body 23 is provided with sewage draining exit 22, and is communicated with blowdown pipeline by the 4th pneumatic control valve 21.
Upper cover lid 27 is by being bolted to the opening part of tank body 23, and filter element installing plate 26 is installed between the two, filter element installing plate 26 is provided with and is welded with a plurality of external screw thread siphunculus 25 that communicate with this through hole respectively on a plurality of through holes and its lower surface, be installed with filter element 24 on the external screw thread siphunculus 25, filter element 24 is the external-compression type filter element, adopting precision is the polyethylene sintered pipes filter core of 0.5-3uM, it has oil resistant, acid and alkali-resistance, the characteristics that filtering accuracy is high can satisfy oil field low permeability pay and the requirement of extra-low permeability layer re-injection water through the water behind the polyethylene sintered pipes filter element filtering.Last seal closure 27 is connected on the water outlet pipeline 30 by outlet pipeline 32, and water outlet pipeline 30 is provided with second Pressure gauge 31 and second pneumatic control valve 8.
Recoiling device comprises air compressor 12 and air accumulator 11, the outlet of air compressor 12 is connected on the air accumulator 11 and the outlet of air accumulator 11 is connected on the outlet pipeline 32 by backflushing pipe, is provided with first-hand brake control valve 10, check-valves 9 and first pneumatic control valve 7 on the backflushing pipe successively.
The backwash device comprises backwashing pump 13, and the inlet of backwashing pump 13 is connected to backwash and comes on the water lines, and outlet is connected on the outlet pipeline 32 through the 3rd pneumatic control valve 6.
Acid dip pickle comprises the pickling tank 16 of acid picking pump 18 and splendid attire pickle, it is the hydrochloric acid solution of 10-15% that pickle adopts concentration, also can become the suitable regenerated liquid of assignment system according to filter cake, pickling tank 16 is communicated with by the pickle refluxing opening 14 of pickling pipeline with tank body 23 tops, the pickling pipeline is provided with second-hand's brake control valve 15, the inlet of acid picking pump 18 is communicated with pickling tank 16 through the 4th hand control valve 17, the outlet of acid picking pump 18 is communicated with through the pickle import 20 of the 3rd hand control valve 19 with tank body 23 bottoms, the bottom of tank body 23 is protruding arc down, sewage draining exit 22 is arranged on central authorities and pickle import 20 is higher than sewage draining exit 22, thereby prevents that dirt from entering pickle import 20.
All connecting lines in the utility model adopt the PPR material.
The course of work of the present utility model is as follows:
Come water through elevator pump 1, the 4th pneumatic control valve 3 (control automatically by PLC by all pneumatic control valves, control technology adopts existing techniques in realizing), inlet pipeline 4 enters the tank body 23 of filtering tank, sewage is through external-compression type filter element 24, ecto-entad selectively permeates, less than the suspension of setting filtering accuracy, bacterium, a spot of oil emulsion, mineralizer is stopped in the outside of filter element 24, and the regularly discharge of bottom the 4th pneumatic control valve (blowoff valve) 21 of sinking to tank body 23, the outlet pipeline 32 that the water after the filtration treatment connects on upper cover lid 27 is discharged from water outlet pipeline 30.At this moment, second pneumatic control valve 8 is opened, and the first, the 3rd pneumatic control valve 7,6 cuts out.When pressure reduction (pressure loss) is greater than 0.15Mpa before and after the tank body, when promptly the measured pressure differential of first Pressure gauge 29 and second Pressure gauge 31 is greater than 0.15Mpa, need carry out online backflushing and backwash to filter element 24, at this moment, the first-hand brake control valve 10 and first pneumatic control valve 7 are opened, second, the 3rd pneumatic control valve 8,6 close, air compressor 12 work, pressure-air in the air accumulator 11 is through backflushing pipe, outlet pipeline 32 enters in the upper cover lid 27, and filter element 24 is recoiled, and the recoil time is 3～5s, 3 times repeatedly, open the 3rd pneumatic control valve 6 then, close first, second pneumatic control valve 7,8, realize online backwash function.Producing water ratio obviously descended after filtering tank moved the regular hour, work as blowback, when producing water ratio does not still significantly recover behind the backwash filter element, just need carry out the pickling operation, open second, third and fourth hand control valve 15,19 and 17, close first, the second and the 3rd pneumatic control valve 7,8,6, under the effect of acid picking pump 18, pickle in the pickling tank 16 passes through second-hand's brake control valve 15 successively, tank body 23 (outer wall of pickling filter element), the 3rd hand control valve 19, acid picking pump 18 and the 4th hand control valve 17 circulate, and filter element 24 is carried out pickling.
The utlity model has following advantage:
A) filtering tank adopts the reinforced glass fiber reinforced plastic material, and pipeline adopts the PPR material, therefore has stronger corrosion resistance.
B) strong, the long service life of simple in structure, water environment capacity.
C) filter core has online backflushing, backwash, pickling regeneration function.
D) import department of filtering tank is provided with the dosing mouth that adds bactericide, can effectively prevent a jar interior bacteria breed.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, all fall within the protection domain of the present utility model.
Claims (5)
1. the meticulous water treatment facilities in oil field comprises:
Filtering tank, be connected on the arrival water lines with elevator pump through inlet pipeline successively, be provided with some external-compression type filter elements in the filtering tank, the top of filtering tank is provided with the receiving port that is connected with the collection tube road, and the top of filtering tank is by outlet pipeline and be connected on the water outlet pipeline;
It is characterized in that, filtering tank is the reinforced glass fiber reinforced plastic material, its internal layer is made by the fibreglass reinforced magnesium oxychloride gel, and skin is made by the resin-base glass fibre composite, comes water lines, inlet pipeline, outlet pipeline and equal water outlet pipeline all to adopt the PPR material.
2. the meticulous water treatment facilities in oil field as claimed in claim 1 is characterized in that coming water lines to be provided with adding the dosing mouth of bactericide.
3. the meticulous water treatment facilities in oil field as claimed in claim 1 or 2 is characterized in that inlet pipeline is provided with first Pressure gauge, and outlet pipeline is provided with second Pressure gauge.
4. the meticulous water treatment facilities in oil field as claimed in claim 3, it is characterized in that also comprising recoiling device and backwash device, described recoiling device comprises air compressor and air accumulator, the outlet of air compressor be connected on the air accumulator and the outlet of air accumulator to be connected to outlet pipeline by backflushing pipe be that backflushing pipe is provided with first pneumatic control valve; Described backwash device comprises backwashing pump, and the inlet of backwashing pump is connected to backwash and comes on the water lines, and outlet is connected on the outlet pipeline through the 3rd pneumatic control valve; The water outlet pipeline is provided with first pneumatic control valve.
5. the meticulous water treatment facilities in oil field as claimed in claim 4, it is characterized in that also comprising acid dip pickle, this acid dip pickle comprises the pickling tank of acid picking pump and splendid attire pickle, pickling tank is connected on the filtering tank by the pickling pipeline, the pickling pipeline is provided with second-hand's brake control valve, the inlet of acid picking pump is connected on the filtering tank through the 4th hand control valve, and its outlet is communicated with the bottom of pickling tank through the 3rd pneumatic control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201801945U CN201676590U (en) | 2010-05-06 | 2010-05-06 | Refined water processing device for oilfields |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201801945U CN201676590U (en) | 2010-05-06 | 2010-05-06 | Refined water processing device for oilfields |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201676590U true CN201676590U (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201801945U Expired - Lifetime CN201676590U (en) | 2010-05-06 | 2010-05-06 | Refined water processing device for oilfields |
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| CN (1) | CN201676590U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457366A (en) * | 2015-12-22 | 2016-04-06 | 湖州恒鑫过滤科技有限公司 | Large flux multicore filter |
| CN107050984A (en) * | 2017-04-14 | 2017-08-18 | 贵州电网有限责任公司电力科学研究院 | A kind of thermal power plant condensate polishing treatment tree catches device aqueous vapor back washing device and method |
| CN112779046A (en) * | 2020-11-06 | 2021-05-11 | 中国石油天然气股份有限公司 | Device and method for preventing salt deposition corrosion of stripping tower of oil refining device |
-
2010
- 2010-05-06 CN CN2010201801945U patent/CN201676590U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457366A (en) * | 2015-12-22 | 2016-04-06 | 湖州恒鑫过滤科技有限公司 | Large flux multicore filter |
| CN107050984A (en) * | 2017-04-14 | 2017-08-18 | 贵州电网有限责任公司电力科学研究院 | A kind of thermal power plant condensate polishing treatment tree catches device aqueous vapor back washing device and method |
| CN112779046A (en) * | 2020-11-06 | 2021-05-11 | 中国石油天然气股份有限公司 | Device and method for preventing salt deposition corrosion of stripping tower of oil refining device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG JINLONG AUTO-CONTROL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: YU JINHAI Effective date: 20110425 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325000 NO. 434, LIANZHONG ROAD, TINGTIAN TOWN, RUIAN CITY, ZHEJIANG PROVINCE TO: 325207 NO. 518, MINXIN ROAD, FEIYUN NEW AREA, FEIYUN TOWN, RUIAN CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110425 Address after: 325207 Zhejiang province Ruian City Feiyun Town District People Feiyun Road No. 518 Patentee after: Zhejiang Jinlong Auto Control Equipment Co., Ltd. Address before: 325000, No. 434, Middle Road, Ting Tian Town, Zhejiang City, Ruian Province Patentee before: Yu Jinhai |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |