CN217732829U - Water treatment device suitable for multiple working conditions can switch - Google Patents
Water treatment device suitable for multiple working conditions can switch Download PDFInfo
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- CN217732829U CN217732829U CN202222133790.3U CN202222133790U CN217732829U CN 217732829 U CN217732829 U CN 217732829U CN 202222133790 U CN202222133790 U CN 202222133790U CN 217732829 U CN217732829 U CN 217732829U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 238000011282 treatment Methods 0.000 title claims abstract description 36
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000005188 flotation Methods 0.000 claims abstract description 19
- 238000004581 coalescence Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 239000000839 emulsion Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 19
- 239000012528 membrane Substances 0.000 description 15
- 239000012535 impurity Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
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- 239000003672 gas field water Substances 0.000 description 2
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- 150000003839 salts Chemical class 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
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- 230000003197 catalytic effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of water treatment devices for oil and gas fields, and discloses a water treatment device applicable to multi-working-condition switching, which comprises a filtering coalescence demulsification unit, a gas flotation unit and an ultrafiltration unit which are sequentially connected through pipelines; wherein, it includes filter, coalescer and the electric breakdown of emulsion device that link to each other in proper order through the pipeline to filter the coalescence breakdown of emulsion unit, the feed liquor end of filter is connected with first inlet tube, install first motorised valve on the first inlet tube, the play liquid end of electric breakdown of emulsion device is connected with the fourth inlet tube, install the ninth motorised valve on the fourth inlet tube, the utility model discloses can adopt different combination modes according to actual conditions, ensure that water quality treatment is up to standard, be applicable to multiple complicated production operating mode, changeable water treatment that carries on in succession when single technology equipment trouble, the water treatment effect is far away super single water treatment process, secondly, comes liquid quality of water according to the upper reaches and can select different water treatment process combinations.
Description
Technical Field
The utility model belongs to the technical field of oil gas field water treatment facilities, concretely relates to be applicable to changeable water treatment facilities of multiplex condition.
Background
The country is gradually increasing the degree of autonomous exploration of oil gas, oil gas exploitation facilities are necessary to be increased more and more, production water is inevitably exploited along with oil gas in the oil gas exploitation process, impurities, salts, hydrocarbons and the like are generally mixed in the production water, the direct emission causes serious pollution to the environment, and in order to ensure that the water quality is discharged up to the standard, a series of treatments such as impurity removal, deoiling and the like are required to be carried out on the production water.
Because the oil gas exploitation processes are different, and the water quality conditions of different oil gas exploitation facilities or different exploitation stages of the same facility are possibly different greatly, the existing single water quality treatment process cannot meet the requirement of enabling the discharged water to achieve an ideal treatment effect in the whole life cycle of an oil and gas field, and therefore the water treatment device applicable to switching of multiple working conditions is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applicable to changeable water treatment facilities of multiplex condition to it can not satisfy the problem of oil and gas field water treatment to provide traditional single water treatment in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a water treatment device applicable to multi-working-condition switchable comprises a filtering coalescence demulsification unit, an air flotation unit and an ultrafiltration unit which are sequentially connected through pipelines; the filtration coalescence demulsification unit comprises a filter, a coalescer and an electric demulsification device which are sequentially connected through pipelines, wherein the liquid inlet end of the filter is connected with a first water inlet pipe, a first electric valve is installed on the first water inlet pipe, the liquid outlet end of the electric demulsification device is connected with a fourth water inlet pipe, and a ninth electric valve is installed on the fourth water inlet pipe.
The electric demulsification device is characterized in that a second water inlet pipe is connected between the first water inlet pipe and the fourth water inlet pipe, a first water feeding pipe is connected between a pipeline between the filter and the coalescer and the second water inlet pipe, a second water feeding pipe is connected between the pipeline between the coalescer and the electric demulsification device and the second water inlet pipe, and a second electric valve, a fourth electric valve and a fifth electric valve are sequentially installed on the second water inlet pipe along the water flow direction.
Preferably, the air flotation unit includes air supporting circulating pump, air supporting tank and circulating pipe, the feed liquor end of air supporting circulating pump passes through the pipeline and links to each other with the lateral wall bottom of air supporting tank, the one end of circulating pipe links to each other with the play liquid end of air supporting circulating pump, the other end of circulating pipe links to each other with the lateral wall upper end of air supporting tank, be connected with the third inlet tube between the bottom of air supporting tank and the fourth inlet tube, and the lateral wall of air supporting tank still is connected with the drain pipe, install the seventh motorised valve on the drain pipe, the play liquid end of fourth inlet tube links to each other with the drain pipe.
Preferably, the ultrafiltration unit includes ultrafiltration case, booster pump, first milipore filter and second milipore filter, the booster pump is installed in the inside bottom of ultrafiltration case, first milipore filter and second milipore filter are installed in the inside of ultrafiltration case, and first milipore filter is located the below of second milipore filter, the play liquid end of booster pump is connected with the fourth flow pipe, the fourth flow pipe runs through first milipore filter and second milipore filter, be connected with the fifth inlet tube between the feed liquor end of booster pump and the drain pipe, install the sixth motorised valve on the fifth inlet tube, be connected with the outlet pipe between the bottom of ultrafiltration case and the drain pipe, install the eighth motorised valve on the outlet pipe.
Preferably, a third water supply pipe is connected between the first water inlet pipe and the third water inlet pipe, and a third electric valve is mounted on the third water supply pipe.
Preferably, the drain pipe is integrally formed with an inverted U-shaped bend at a position close to the liquid outlet end.
Preferably, a flow meter is installed on the drain pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model discloses can adopt different combination modes according to actual conditions, ensure that water treatment is up to standard, be applicable to multiple complicated production operating mode, changeable water treatment that carries on in succession when single process equipment trouble, water treatment effect is far away from single water treatment process, secondly, comes liquid quality of water according to the upper reaches and can select different water treatment process combination.
(2) The utility model discloses a set up booster pump, first milipore filter and second milipore filter, the oil that the unit separation of air supporting unit enters the upper end in the milipore filter case via the booster pump absorption, then carries out twice ultrafiltration treatment through second milipore filter and first milipore filter, filters small impurity, can further reduce outer drainage oiliness, improves water treatment quality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the ultra-filtration tank of the present invention;
in the figure: 1. a first electrically operated valve; 2. a filter; 3. a second electrically operated valve; 4. a third electrically operated valve; 5. a coalescer; 6. a fourth electrically operated valve; 7. an electric demulsification device; 8. a fifth electrically operated valve; 9. an air-float circulating pump; 10. an air flotation tank; 11. an ultrafiltration tank; 12. a booster pump; 13. a first ultrafiltration membrane; 14. a sixth electrically operated valve; 15. a seventh electrically operated valve; 16. an eighth electrically operated valve; 17. a ninth electrically operated valve; 18. a flow meter; 19. bending in an inverted U shape; 20. a water outlet pipe; 21. a first water inlet pipe; 22. a second water inlet pipe; 23. a first water supply pipe; 24. a second water supply pipe; 25. a third water inlet pipe; 26. a third water supply pipe; 27. a circulation pipe; 28. a fourth water inlet pipe; 29. a drain pipe; 30. a second ultrafiltration membrane; 31. a fourth water supply pipe; 32. and a fifth water inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: a water treatment device suitable for switching among multiple working conditions comprises:
a filtering coalescence demulsifying unit, an air flotation unit and an ultrafiltration unit which are connected in sequence through pipelines;
wherein,
the filtration coalescence demulsification unit comprises a filter 2, a coalescer 5 and an electric demulsification device 7 which are sequentially connected through a pipeline, wherein the filter 2 is used for filtering solid impurities in incoming liquid, a filter core material in the coalescer 5 is an oleophylic and hydrophobic material, oil-water separation of dispersed oil is realized through coalescence, water flows to a downstream process, oil is discharged to a closed state and is discharged, the electric demulsification device 7 is a conventional electric demulsification device according to the actual situation on site, a coating promoting catalytic oxidation is coated on the surface of an electrode plate, demulsification of dissolved oil is realized through the electric field effect, the liquid inlet end of the filter 2 is connected with a first water inlet pipe 21, a first electric valve 1 is installed on the first water inlet pipe 21, the electric valve is a valve capable of adjusting the opening degree of the valve, the liquid outlet end of the electric demulsification device 7 is connected with a fourth water inlet pipe 28, a ninth electric valve 17 is installed on the fourth water inlet pipe 28, and bypass of the gas flotation unit can be realized through the opening and closing of the ninth electric valve 17;
a second water inlet pipe 22 is connected between the first water inlet pipe 21 and the fourth water inlet pipe 28, a first water feeding pipe 23 is connected between the pipeline between the filter 2 and the coalescer 5 and the second water inlet pipe 22, a second water feeding pipe 24 is connected between the pipeline between the coalescer 5 and the electric demulsification device 7 and the second water inlet pipe 22, a second electric valve 3, a fourth electric valve 6 and a fifth electric valve 8 are sequentially installed on the second water inlet pipe 22 along the water flow direction, the filter 2 can be bypassed by the switch of the second electric valve 3, the coalescer 5 can be bypassed by the switch of the fourth electric valve 6, and the electric demulsification device 7 can be bypassed by the switch of the fifth electric valve 8.
Through the technical scheme:
during the use, the upstream comes liquid earlier and gets into the coalescence breakdown of emulsion unit of filtering through first inlet tube 21, gets rid of large granule insoluble matter and crystal salt granule through filter 2, realizes the coalescence of oil droplet through the oleophylic material of coalescer 5, desorption dispersion oil, and electric emulsion breaking device 7 realizes through the strong electric field that the colloidal substance destabilizes, realizes dissolving oil destabilizing through the oil droplet gathering, increases follow-up unit and gets rid of efficiency.
Referring to fig. 1, the air flotation unit comprises an air flotation circulating pump 9, an air flotation tank 10 and a circulating pipe 27, wherein a liquid inlet end of the air flotation circulating pump 9 is connected with the bottom end of the side wall of the air flotation tank 10 through a pipeline, one end of the circulating pipe 27 is connected with a liquid outlet end of the air flotation circulating pump 9, the other end of the circulating pipe 27 is connected with the upper end of the side wall of the air flotation tank 10, a third water inlet pipe 25 is connected between the bottom end of the air flotation tank 10 and a fourth water inlet pipe 28, a drain pipe 29 is further connected with the side wall of the air flotation tank 10, a seventh electric valve 15 is installed on the drain pipe 29, the seventh electric valve 15 can be switched to realize bypass of the ultrafiltration unit, and a liquid outlet end of the fourth water inlet pipe 28 is connected with the drain pipe 29.
Through the technical scheme:
wherein, the air supporting circulating pump 9 is the centrifugal pump that has the long-range function of opening and close, continuously provides the high bubble fluid in to air supporting tank 10, and air supporting tank 10 is the low pressure jar that has annexes such as level gauge, relief valve, realizes oil-water separation through the air supporting principle, during the use, provides continuous high bubble fluid through air supporting circulating pump 9, makes the profit fully separate in air supporting tank 10.
Further, a third water supply pipe 26 is connected between the first water inlet pipe 21 and the third water inlet pipe 25, and a third electric valve 4 is mounted on the third water supply pipe 26;
in particular, the third electro-valve 4 switch can realize the bypass of the filtration coalescence demulsification unit.
Furthermore, an inverted U-shaped bend 19 is integrally formed at the position of the drain pipe 29 close to the liquid outlet end, and a flow meter 18 is installed on the drain pipe 29;
specifically, the flow meter 18 is an electromagnetic flow meter, and is used for monitoring the real-time flow of the external drainage; the material of the inverted U-shaped bend 19 is consistent with that of the pipeline, and the height of the U-shaped bend needs to ensure that the pipeline of the upstream flowmeter 18 is in a full pipe state, so that the flowmeter 18 can accurately measure.
Referring to fig. 1-2, the ultrafiltration unit includes an ultrafiltration tank 11, a booster pump 12, a first ultrafiltration membrane 13 and a second ultrafiltration membrane 30, the booster pump 12 is installed at the bottom of the inside of the ultrafiltration tank 11, the first ultrafiltration membrane 13 and the second ultrafiltration membrane 30 are installed inside the ultrafiltration tank 11, the first ultrafiltration membrane 13 is located below the second ultrafiltration membrane 30, a fourth water feeding pipe 31 is connected to a liquid outlet end of the booster pump 12, the fourth water feeding pipe 31 penetrates through the first ultrafiltration membrane 13 and the second ultrafiltration membrane 30, a fifth water inlet pipe 32 is connected between a liquid inlet end of the booster pump 12 and a water outlet pipe 29, a sixth electric valve 14 is installed on the fifth water inlet pipe 32, a water outlet pipe 20 is connected between the bottom end of the ultrafiltration tank 11 and the water outlet pipe 29, and an eighth electric valve 16 is installed on the water outlet pipe 20.
Through the technical scheme:
wherein the booster pump 12 is a variable frequency centrifugal pump, the first ultrafiltration membrane 13 and the second ultrafiltration membrane 30 are both porous membranes, oil molecules and water molecules can be separated, the sixth electric valve 14 can control the water amount entering the ultrafiltration unit, and the eighth electric valve 16 is an outlet valve of the ultrafiltration unit;
and selecting part of the produced water to enter an ultrafiltration unit or be directly discharged outside according to the water quality after the air flotation unit treatment, wherein when the system is used, the oils separated out from the air flotation unit are sucked into the upper end in the ultrafiltration box 11 through the booster pump 12 and are subjected to ultrafiltration treatment twice through the second ultrafiltration membrane 30 and the first ultrafiltration membrane 13, so that the oil content of the discharged water can be further reduced, and the separated water is sent out to enter the downstream through the water outlet pipe 20.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A water treatment device suitable for switching among multiple working conditions is characterized by comprising:
a filtering coalescence demulsifying unit, an air flotation unit and an ultrafiltration unit which are connected in sequence through pipelines;
wherein,
the filtration, coalescence and demulsification unit comprises a filter (2), a coalescer (5) and an electric demulsification device (7) which are sequentially connected through a pipeline, wherein the liquid inlet end of the filter (2) is connected with a first water inlet pipe (21), a first electric valve (1) is installed on the first water inlet pipe (21), the liquid outlet end of the electric demulsification device (7) is connected with a fourth water inlet pipe (28), a ninth electric valve (17) is installed on the fourth water inlet pipe (28),
be connected with second inlet tube (22) between first inlet tube (21) and fourth inlet tube (28), be connected with first water supply pipe (23) between pipeline between filter (2) and coalescer (5) and second inlet tube (22), be connected with second water supply pipe (24) between pipeline between coalescer (5) and electric demulsification device (7) and second inlet tube (22), install second motorised valve (3), fourth motorised valve (6) and fifth motorised valve (8) along the rivers direction in proper order on second inlet tube (22).
2. The water treatment device applicable to the switchable multiple operating conditions according to claim 1, wherein: the air flotation unit includes air supporting circulating pump (9), air supporting tank (10) and circulating pipe (27), the feed liquor end of air supporting circulating pump (9) passes through the pipeline and links to each other with the lateral wall bottom of air supporting tank (10), the one end of circulating pipe (27) links to each other with the play liquid end of air supporting circulating pump (9), the other end of circulating pipe (27) links to each other with the lateral wall upper end of air supporting tank (10), be connected with third inlet tube (25) between the bottom of air supporting tank (10) and fourth inlet tube (28), and the lateral wall of air supporting tank (10) still is connected with drain pipe (29), install seventh motorised valve (15) on drain pipe (29), the play liquid end of fourth inlet tube (28) links to each other with drain pipe (29).
3. The water treatment device applicable to the multiple-operating-condition switchable water treatment device according to claim 2, characterized in that: the ultrafiltration unit includes ultrafiltration case (11), booster pump (12), first milipore filter (13) and second milipore filter (30), booster pump (12) are installed in the inside bottom of ultrafiltration case (11), install in the inside of ultrafiltration case (11) first milipore filter (13) and second milipore filter (30), and first milipore filter (13) are located the below of second milipore filter (30), the play liquid end of booster pump (12) is connected with fourth flow pipe (31), first milipore filter (13) and second milipore filter (30) are run through in fourth flow pipe (31), be connected with fifth inlet tube (32) between the feed liquor end of booster pump (12) and drain pipe (29), install sixth motorised valve (14) on fifth inlet tube (32), be connected with outlet pipe (20) between the bottom of ultrafiltration case (11) and drain pipe (29), install eighth motorised valve (16) on outlet pipe (20).
4. The water treatment device applicable to the switchable multiple working conditions according to claim 3, wherein: a third water feeding pipe (26) is connected between the first water feeding pipe (21) and the third water feeding pipe (25), and a third electric valve (4) is installed on the third water feeding pipe (26).
5. The water treatment device applicable to the switchable multiple working conditions according to claim 4, wherein: an inverted U-shaped bend (19) is integrally formed at the position of the drain pipe (29) close to the liquid outlet end.
6. The water treatment device applicable to the switchable working conditions according to claim 5, wherein: and a flowmeter (18) is arranged on the water discharge pipe (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222133790.3U CN217732829U (en) | 2022-08-12 | 2022-08-12 | Water treatment device suitable for multiple working conditions can switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222133790.3U CN217732829U (en) | 2022-08-12 | 2022-08-12 | Water treatment device suitable for multiple working conditions can switch |
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| Publication Number | Publication Date |
|---|---|
| CN217732829U true CN217732829U (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222133790.3U Active CN217732829U (en) | 2022-08-12 | 2022-08-12 | Water treatment device suitable for multiple working conditions can switch |
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| Country | Link |
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| CN (1) | CN217732829U (en) |
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- 2022-08-12 CN CN202222133790.3U patent/CN217732829U/en active Active
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