CN210855364U - Liquid seal rotational flow air flotation device for oil and gas field sewage treatment - Google Patents
Liquid seal rotational flow air flotation device for oil and gas field sewage treatment Download PDFInfo
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- CN210855364U CN210855364U CN201921538620.5U CN201921538620U CN210855364U CN 210855364 U CN210855364 U CN 210855364U CN 201921538620 U CN201921538620 U CN 201921538620U CN 210855364 U CN210855364 U CN 210855364U
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Abstract
The utility model relates to an oil gas field is liquid seal whirl air supporting device for sewage treatment, include: the device comprises an air flotation outer cylinder, and a liquid-sealed rotational flow air flotation inner cylinder, a dissolved air water distribution pipe and a water outlet distribution pipe which are arranged inside the air flotation outer cylinder, wherein an oil discharge port, a raw water and dissolved air water mixed liquid inlet, a dissolved air water inlet and a water outlet are arranged on the air flotation outer cylinder; a liquid inlet cyclone tube is arranged in the liquid-sealed cyclone air-flotation inner cylinder body, and one end of the liquid inlet cyclone tube is communicated with a mixed liquid inlet of the raw water and the dissolved air water; the water distribution pipe for dissolved gas is communicated with the water inlet for dissolved gas, the water distribution pipe for water outlet is communicated with the water outlet, and the water distribution pipe for water outlet is positioned below the water distribution pipe for dissolved gas; an outer cylinder sludge discharge pipe and an inner cylinder sludge discharge pipe are arranged at the bottom of the air-flotation outer cylinder body, one end of the inner cylinder sludge discharge pipe is communicated with the bottom of the liquid seal rotational flow air-flotation inner cylinder body, and the other end of the inner cylinder sludge discharge pipe extends out of the air-flotation outer cylinder body. The utility model discloses an air supporting device can realize inner tube liquid seal whirl air supporting and urceolus vertical flow air supporting two-stage air supporting simultaneously and handle.
Description
Technical Field
The utility model belongs to the technical field of the air supporting separation, concretely relates to oil gas field is liquid seal whirl air supporting device for sewage treatment.
Background
In the process of oil and gas field development, particularly in the process of gas well and oil well production measure construction, a large amount of waste liquid is generated and discharged to the ground, and a large amount of produced water is generated in the process of oil field production, wherein the oil field waste liquid contains clay particles brought out from the stratum, and also contains pollutants such as crude oil, additives in measure liquid and the like. The oil field waste liquid is a stable and complex multiphase dispersion system, and the standard treatment difficulty is very high. In recent years, with the increasing of the environmental protection of oil fields, the contradiction that the waste liquid of oil and gas fields is large in production amount and cannot be discharged outside is further highlighted, and once the waste liquid enters ecological cycle, the waste liquid pollutes the soil and water resource environment. Therefore, if a large amount of waste liquid generated in the oil and gas field can be treated and then reused for the production operation of the oil and gas field, the method has important significance for reducing the total amount of waste water and the production operation cost.
At present, the measure waste liquid of the oil and gas field is mainly transferred to a sewage treatment station, and less oil fields are treated and recycled on site. If the waste liquid is not treated in time, the waste liquid can generate foul smell, which affects the environment around a well site and the health of local residents and pollutes crops and surface water systems. Because the total amount of the waste liquid generated in the whole operation process is large, the transportation cost of the adopted vehicle is high, and the waste liquid has serious corrosivity on a gathering and transportation and water injection system, the service life of a ground system is influenced, and great pressure is brought to the normal operation of a produced water reinjection system. At present, the sewage treatment equipment can meet the discharge standard or is rarely recycled, the sewage treatment is generally carried out by adopting the processes of physical sedimentation, chemical flocculation, biochemical treatment and the like, the sewage treatment process flow is complex, the occupied area is large, the field practical use is inconvenient, the cost is high, and the process treatment period is long, so that the sewage treatment equipment which has high treatment efficiency and large treatment capacity and can obtain stable water quality after treatment is necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides an oil gas field is liquid seal whirl air supporting device for sewage treatment. The to-be-solved technical problem of the utility model is realized through following technical scheme:
the utility model provides an oil gas field is liquid seal whirl air supporting device for sewage treatment, include: an air-float outer cylinder, and a liquid-sealed rotational flow air-float inner cylinder, a dissolved air water distribution pipe and a water outlet distribution pipe which are arranged in the air-float outer cylinder, wherein,
the air-floating outer cylinder body is provided with an oil discharge port, a raw water and dissolved air water mixed liquid inlet, a dissolved air water inlet and a water outlet;
a liquid inlet cyclone tube is arranged in the liquid-sealed cyclone air-flotation inner cylinder body, and one end of the liquid inlet cyclone tube is communicated with the mixed liquid inlet of the raw water and the dissolved air water;
the water distribution pipe for water with dissolved gas is communicated with the water inlet for water with dissolved gas, the water distribution pipe for water outlet is communicated with the water outlet, and the water distribution pipe for water outlet is positioned below the water distribution pipe for water with dissolved gas;
the bottom of the air-flotation outer cylinder body is provided with an outer cylinder sludge discharge pipe and an inner cylinder sludge discharge pipe, one end of the inner cylinder sludge discharge pipe is communicated with the bottom of the liquid-sealed rotational-flow air-flotation inner cylinder body, and the other end of the inner cylinder sludge discharge pipe extends out of the air-flotation outer cylinder body.
In one embodiment of the present invention, the liquid inlet swirl tube comprises a liquid inlet tube and a plurality of swirl guide tubes, wherein,
one end of the liquid inlet pipe is communicated with the mixed liquid inlet of the raw water and the dissolved gas water, and the other end of the liquid inlet pipe is respectively communicated with the inlets of the plurality of rotational flow guide pipes;
the plurality of cyclone guide pipes are uniformly distributed along the circumferential direction of the liquid inlet pipe, and the outlet direction of each cyclone guide pipe is arranged along the tangential direction of the cylinder wall of the liquid-sealed cyclone air-flotation inner cylinder body.
In an embodiment of the present invention, the lower end of the cylinder body in the liquid seal rotational flow air flotation is in a reverse taper shape, and the rotational flow guide pipe is located in the reverse taper shape.
In an embodiment of the present invention, the water distributor for dissolved gas water is a plurality of concentric circular coil pipes, and a plurality of drainage holes are uniformly arranged on the circular coil pipes along the circumferential direction.
In an embodiment of the present invention, the water outlet distributor is a circular coil pipe, and a plurality of liquid discharge holes are uniformly arranged on the circular coil pipe along the circumferential direction.
In an embodiment of the present invention, one end of the outer cylinder sludge discharge pipe is communicated with the bottom of the air flotation outer cylinder, the other end is located outside the air flotation outer cylinder, and an outer cylinder sludge discharge port is arranged on the outer cylinder sludge discharge pipe;
the inner barrel sludge discharge pipe penetrates through the outer barrel sludge discharge pipe and extends to the outside of the outer barrel sludge discharge pipe;
the inner barrel sludge discharge pipe is connected to the inner barrel sludge discharge port through a threaded flange.
The utility model discloses an embodiment, still include the support, the support is fixed on the inner wall of the outer barrel of air supporting, the water distributor of dissolved air water is installed on the support.
In an embodiment of the present invention, the air flotation outer cylinder is provided with a viewing port.
In an embodiment of the present invention, the air flotation outer cylinder is provided with a maintenance opening.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses an oil gas field is liquid seal whirl air supporting device for sewage treatment, including air supporting urceolus part and liquid seal whirl air supporting inner tube part, can realize inner tube liquid seal whirl air supporting and urceolus simultaneously and erect a flow air supporting two-stage air supporting and handle for oil gas field sewage treatment is more high-efficient, moreover the utility model discloses the area of air supporting device is less, convenient to use, and process flow is simple moreover, the cost is lower.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a liquid seal rotational flow air flotation device for oil and gas field sewage treatment provided by an embodiment of the utility model;
fig. 2 is a schematic view of a liquid inlet swirl tube according to an embodiment of the present invention;
fig. 3 is a schematic view of a water distributor for dissolved gas water provided by the embodiment of the utility model.
Description of the reference numerals
1-air flotation outer cylinder body; 101-oil drain port; 102-a mixed liquid inlet of raw water and dissolved gas water; 103-gas dissolving water inlet; 104-water outlet; 105-a viewing port; 106-maintenance port; 2-liquid seal rotational flow air flotation inner cylinder; 3-liquid inlet cyclone tube; 301-liquid inlet pipe; 302-a swirl guide tube; 4-water distribution pipe for dissolved gas water; 401-drain holes; 5-water outlet and distribution pipe; 6-outer cylinder mud pipe; 601-outer cylinder sludge discharge port; 7-inner cylinder sludge discharge pipe; 701-a threaded flange; 702 an inner barrel sludge discharge port; 8-bracket.
Detailed Description
In order to further explain the technical means and effects adopted by the utility model to achieve the purpose of the utility model, the following description is combined with the drawings and the detailed implementation mode to explain in detail the liquid seal cyclone air flotation device for oil and gas field sewage treatment.
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. The technical means and effects of the present invention to achieve the predetermined objects can be more deeply and specifically understood through the description of the specific embodiments, however, the attached drawings are only for reference and description and are not intended to limit the technical solution of the present invention.
Example one
Please refer to fig. 1, fig. 1 is a schematic structural diagram of a liquid seal rotational flow air flotation device for oil and gas field sewage treatment provided by the embodiment of the present invention, as shown in the figure, the liquid seal rotational flow air flotation device for oil and gas field sewage treatment of the present embodiment includes: an air-flotation outer cylinder 1, and a liquid-sealed rotational flow air-flotation inner cylinder 2, a dissolved air water distribution pipe 4 and a water outlet distribution pipe 5 which are arranged inside the air-flotation outer cylinder 1. Specifically, the air flotation outer cylinder 1 is provided with an oil discharge port 101, a raw water and dissolved air water mixed liquid inlet 102, a dissolved air water inlet 103 and a water outlet 104. In this embodiment, an oil discharge port 101 is provided at the top of the air flotation outer cylinder 1 for discharging oil and scum floating up during the air flotation process, and a raw water and dissolved air water mixed inlet 102, a dissolved air water inlet 103 and an outlet 104 are provided at the side of the air flotation outer cylinder 1. The liquid seal rotational flow air flotation inner cylinder body 2 is internally provided with a liquid inlet rotational flow pipe 3, one end of the liquid inlet rotational flow pipe 3 is communicated with a raw water and dissolved air water mixed liquid inlet 102, one part of backflow dissolved air water generated by an external dissolved air pump device is mixed with oil and gas field waste liquid to be treated, and the mixture enters the liquid seal rotational flow air flotation inner cylinder body 2 from the liquid inlet rotational flow pipe 3 through the raw water and dissolved air water mixed liquid inlet 102. In this embodiment, the upper end of the liquid-sealed cyclone air-flotation inner cylinder 2 is a column with an upper section diameter smaller than a lower section diameter, and the lower end is in an inverted cone shape.
Please refer to fig. 2 in combination, fig. 2 is a schematic view of a liquid inlet cyclone tube according to an embodiment of the present invention, and as shown in the figure, the liquid inlet cyclone tube 3 of this embodiment includes a liquid inlet tube 301 and a plurality of cyclone guide tubes 302, wherein one end of the liquid inlet tube 301 is communicated with the mixed liquid inlet 102 of the raw water and the dissolved air water, and the other end is communicated with inlets of the plurality of cyclone guide tubes 302; the circumference evenly distributed of feed liquor pipe 301 is followed to a plurality of whirl stand pipes 302, and the export direction of whirl stand pipe 302 sets up along the section of thick bamboo wall tangential direction of barrel 2 in the liquid seal whirl air supporting, and preferably, the number of whirl stand pipe 302 is more than or equal to 2, in this embodiment, has 4 whirl stand pipes 302 along the circumference evenly distributed of feed liquor pipe 301, and whirl stand pipe 302 is located in the back taper, the back taper structure of barrel 2 can make the liquid that gets into the barrel under the effect of feed liquor whirl pipe 3 the velocity of rotation increase gradually in the liquid seal whirl air supporting to increased the probability of the contact polymerization of oil, suspended solid and bubble, less oil of density and suspended solid are discharged from oil drain port 101 along with the top of the bubble come-up to barrel 1 outside the air supporting.
Further, the dissolved air water distribution pipe 4 is communicated with the dissolved air water inlet 103, the other part of the backflow dissolved air water generated by the external dissolved air pump equipment enters the air floatation outer cylinder 1 through the dissolved air water inlet 103, the oil and suspended matters overflowing from the liquid-sealed rotational flow air floatation inner cylinder 2 gradually float to the top of the air floatation outer cylinder 1 and are discharged from the oil discharge port 101, and the oil and suspended matters remaining in the water undergo secondary contact collision with the upward dissolved air water released by the dissolved air water distribution pipe 4 in the downward process in the air floatation outer cylinder 1, so that air floatation impurity removal is further performed, so that the liquid-sealed rotational flow air floatation device for treating oil and gas field sewage realizes a two-stage air floatation treatment process of internal rotational flow air floatation and external vertical flow air floatation, and the efficiency of air floatation reaction and the pollutant removal rate are effectively improved.
Please refer to fig. 3, fig. 3 is a schematic diagram of a water distributor for dissolved gas water provided by the embodiment of the present invention, as shown in the figure, the water distributor for dissolved gas water 4 of the present embodiment is a plurality of concentric circular coil pipes, a plurality of water holes 401 are evenly provided along the circumference on the circular coil pipe for releasing the water dissolved gas entering from the water inlet 103 for dissolved gas water, the water distributor for dissolved gas water 4 is two concentric circular coil pipes in the present embodiment, further, the liquid seal rotational flow air-float device for oil and gas field sewage treatment further comprises a support 8, the support 8 is fixed on the inner wall of the air-float outer cylinder 1, and the water distributor for dissolved gas water 4 is installed on the support 8.
Further, go out water distributor 5 and delivery port 104 intercommunication, and be located the below of dissolving gas water distributor 4, in this embodiment, go out water distributor 5 and be circular coil pipe, evenly be provided with a plurality of outage along circumference on the circular coil pipe, the outage can reduce the turbulent phenomenon around delivery port 104 effectively, and the inside vertical current air supporting effect of barrel 1 outside the guarantee air supporting, the barrel 1 is inside through handling the back water and passing through the outage is discharged from delivery port 104 through delivery port 5 outside the air supporting.
Further, an outer cylinder sludge discharge pipe 6 and an inner cylinder sludge discharge pipe 7 are arranged at the bottom of the air-flotation outer cylinder body 1, one end of the inner cylinder sludge discharge pipe 7 is communicated with the bottom of the liquid-seal rotational-flow air-flotation inner cylinder body 2, and the other end of the inner cylinder sludge discharge pipe extends out of the air-flotation outer cylinder body 1. In the embodiment, one end of the outer cylinder sludge discharge pipe 6 is communicated with the bottom of the air flotation outer cylinder 1, the other end is positioned outside the air flotation outer cylinder 1, and an outer cylinder sludge discharge port 601 is arranged on the outer cylinder sludge discharge pipe 6; the inner barrel sludge discharge pipe 7 penetrates through the outer barrel sludge discharge pipe 6 and extends to the outside of the outer barrel sludge discharge pipe 6; the end part of the inner barrel sludge discharge pipe 7 positioned outside the outer barrel sludge discharge pipe 6 is provided with a threaded flange 701, and the inner barrel sludge discharge pipe 7 is connected with an inner barrel sludge discharge port 702 through the threaded flange 701; the end part of the outer cylinder mud pipe 6 positioned outside the air floatation outer cylinder body 1 is provided with a loop flange. In the sewage treatment process, the mud with higher density in the cylinder 2 in the liquid seal rotational flow air flotation is deposited in the lower end cone structure, and is discharged from the inner cylinder mud discharge port 702 through the inner cylinder mud discharge pipe 7 regularly, the mud with higher density in the cylinder 1 outside the air flotation is deposited at the bottom of the cylinder, and is discharged from the outer cylinder mud discharge port 601 through the outer cylinder mud discharge pipe 6 regularly, two mud discharge ports inside and outside can be integrated at the bottom of the device completely through the structure, the mud deposited at the bottom is thoroughly discharged, different mud discharge periods can be set for different water qualities, and the mud in the cylinder 2 in the cylinder 1 outside the air flotation and the liquid seal rotational flow air flotation is discharged respectively.
Furthermore, the air flotation outer cylinder 1 is further provided with an observation port 105, so that a worker can conveniently observe the working condition of the air flotation device, and the air flotation outer cylinder 1 is further provided with a maintenance port 106, so that a repair worker can conveniently enter the air flotation device for inspection and repair when the air flotation device is abnormal in life.
The oil gas field for sewage treatment liquid seal whirl air supporting device of this embodiment, including air supporting urceolus part and liquid seal whirl air supporting inner tube part, can realize inner tube liquid seal whirl air supporting and urceolus vertical flow air supporting two-stage air supporting simultaneously and handle for oil gas field sewage treatment is more high-efficient, moreover the utility model discloses the area of air supporting device is less, convenient to use, and process flow is simple moreover, the cost is lower.
The working process of the liquid seal rotational flow air flotation device for oil and gas field sewage treatment of the embodiment is as follows: the cylinder 2 in the liquid seal whirl air supporting is got into through raw water and the mixed inlet 102 of dissolved air water to the mixture of the oil gas field waste liquid that outside dissolved air pump equipment produced, the cone structure of cylinder 2 in the liquid seal whirl air supporting makes the liquid that gets into the cylinder rotatory velocity of flow increase gradually under the effect of feed liquor whirl pipe 3, thereby increased oil, the probability of the contact polymerization of suspended solid and bubble, less oil of density and suspended solid discharge from oil drain port 101 along with the bubble come-up to the top of the outer cylinder 1 of air supporting, the great mud of density is at the bottom deposit of cylinder 2 in the liquid seal whirl air supporting, regularly discharge from inner tube mud discharge port 702 through inner tube mud pipe 7. The other part of the backflow dissolved air water generated by the external dissolved air pump equipment enters the dissolved air water distribution pipe 4 through the dissolved air water inlet 103, the dissolved air water is released into the air-flotation outer cylinder 1 through the drain holes 401 on the dissolved air water distribution pipe 4, the oil and suspended matters overflowing from the liquid-sealed cyclone air-flotation inner cylinder 2 gradually float to the top of the air-flotation outer cylinder 1 and are discharged from the oil discharge port 101, and the residual oil and suspended matters in the water are subjected to secondary contact collision with the ascending dissolved air water released by the dissolved air water distribution pipe 4 in the descending process of the air-flotation outer cylinder 1, so that the air-flotation device further performs air-flotation impurity removal, thereby realizing two-stage air-flotation treatment processes of internal cyclone air-flotation and external vertical-flow air-flotation, and effectively improving the efficiency of air-flotation reaction and. The inside back water that handles through two-stage air supporting treatment process of barrel 1 is discharged from delivery port 104 through the outage of play water distributor 5 outside the air supporting, and the great mud of density is in its bottom deposit in the outer barrel 1 of air supporting, regularly discharges from urceolus mud discharging port 601 through urceolus mud discharging pipe 6, with inside and outside two mud discharging ports all integrate in the air supporting device bottom, the mud of deposit in the bottom of discharging that can be thorough to can set up different mud discharging periods to the quality of water of difference, discharge the mud in barrel 2 in the outer barrel 1 of air supporting and the liquid seal whirl air supporting respectively.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (9)
1. The utility model provides an oil gas field is liquid seal whirl air supporting device for sewage treatment which characterized in that includes: an air-flotation outer cylinder (1), and a liquid-sealed rotational flow air-flotation inner cylinder (2), a dissolved air water distribution pipe (4) and a water outlet distribution pipe (5) which are arranged inside the air-flotation outer cylinder (1), wherein,
the air-flotation outer cylinder body (1) is provided with an oil discharge port (101), a raw water and dissolved air water mixed liquid inlet (102), a dissolved air water inlet (103) and a water outlet (104);
a liquid inlet cyclone tube (3) is arranged inside the liquid-sealed cyclone air-flotation inner cylinder body (2), and one end of the liquid inlet cyclone tube (3) is communicated with the mixed liquid inlet (102) of the raw water and the dissolved air water;
the water distribution pipe (4) for water with dissolved gas is communicated with the water inlet (103) for water with dissolved gas, the water distribution pipe (5) for water outlet is communicated with the water outlet (104), and the water distribution pipe (5) for water outlet is positioned below the water distribution pipe (4) for water with dissolved gas;
the bottom of the air-flotation outer cylinder body (1) is provided with an outer cylinder mud pipe (6) and an inner cylinder mud pipe (7), one end of the inner cylinder mud pipe (7) is communicated with the bottom of the liquid seal rotational flow air-flotation inner cylinder body (2), and the other end of the inner cylinder mud pipe extends out of the air-flotation outer cylinder body (1).
2. The liquid seal rotational flow air flotation device for oil and gas field sewage treatment as claimed in claim 1, wherein the liquid inlet rotational flow pipe (3) comprises a liquid inlet pipe (301) and a plurality of rotational flow guide pipes (302),
one end of the liquid inlet pipe (301) is communicated with the raw water and dissolved gas water mixed liquid inlet (102), and the other end of the liquid inlet pipe is respectively communicated with inlets of the plurality of cyclone guide pipes (302);
the plurality of cyclone guide pipes (302) are uniformly distributed along the circumferential direction of the liquid inlet pipe (301), and the outlet direction of each cyclone guide pipe (302) is arranged along the tangential direction of the cylinder wall of the liquid-sealed cyclone air-flotation inner cylinder body (2).
3. The liquid seal rotational flow air flotation device for oil and gas field sewage treatment as claimed in claim 2, wherein the lower end of the cylinder body (2) in the liquid seal rotational flow air flotation is in an inverted cone shape, and the rotational flow guide pipe (302) is positioned in the inverted cone shape.
4. The liquid seal rotational flow air flotation device for oil and gas field sewage treatment as claimed in claim 1, wherein the water distribution pipe (4) for dissolved gas water is a plurality of concentric circular coil pipes, and a plurality of drain holes (401) are uniformly arranged on the circular coil pipes along the circumferential direction.
5. The liquid seal rotational flow air flotation device for oil and gas field sewage treatment as claimed in claim 1, wherein the water outlet distribution pipe (5) is a circular coil pipe, and a plurality of liquid discharge holes are uniformly arranged on the circular coil pipe along the circumferential direction.
6. The liquid seal rotational flow air flotation device for oil and gas field sewage treatment as claimed in claim 1, wherein one end of the outer cylinder sludge discharge pipe (6) is communicated with the bottom of the air flotation outer cylinder body (1), the other end is positioned outside the air flotation outer cylinder body (1), and an outer cylinder sludge discharge port (601) is arranged on the outer cylinder sludge discharge pipe (6);
the inner barrel sludge discharge pipe (7) penetrates through the outer barrel sludge discharge pipe (6) and extends to the outside of the outer barrel sludge discharge pipe (6);
the inner barrel sludge discharge pipe (7) is connected to an inner barrel sludge discharge port (702) through a threaded flange (701).
7. The liquid seal rotational flow air flotation device for oil and gas field sewage treatment as claimed in claim 1, further comprising a support (8), wherein the support (8) is fixed on the inner wall of the air flotation outer cylinder body (1), and the dissolved air water distribution pipe (4) is installed on the support (8).
8. The liquid seal rotational flow air flotation device for oil and gas field sewage treatment as claimed in claim 1, wherein the air flotation outer cylinder body (1) is provided with an observation port (105).
9. The liquid seal rotational flow air flotation device for oil and gas field sewage treatment as claimed in claim 1, wherein the air flotation outer cylinder body (1) is provided with a maintenance port (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538620.5U CN210855364U (en) | 2019-09-16 | 2019-09-16 | Liquid seal rotational flow air flotation device for oil and gas field sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538620.5U CN210855364U (en) | 2019-09-16 | 2019-09-16 | Liquid seal rotational flow air flotation device for oil and gas field sewage treatment |
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| CN210855364U true CN210855364U (en) | 2020-06-26 |
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| CN201921538620.5U Active CN210855364U (en) | 2019-09-16 | 2019-09-16 | Liquid seal rotational flow air flotation device for oil and gas field sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482635A (en) * | 2019-09-16 | 2019-11-22 | 陕西海默油田服务有限公司 | A kind of oil gas field sewage treatment fluid-tight cyclone air-flotation device |
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2019
- 2019-09-16 CN CN201921538620.5U patent/CN210855364U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482635A (en) * | 2019-09-16 | 2019-11-22 | 陕西海默油田服务有限公司 | A kind of oil gas field sewage treatment fluid-tight cyclone air-flotation device |
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