CN215520846U - Oil-water interface adjusting device for external three-phase separator - Google Patents
Oil-water interface adjusting device for external three-phase separator Download PDFInfo
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- CN215520846U CN215520846U CN202121821638.3U CN202121821638U CN215520846U CN 215520846 U CN215520846 U CN 215520846U CN 202121821638 U CN202121821638 U CN 202121821638U CN 215520846 U CN215520846 U CN 215520846U
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Abstract
The utility model relates to an oil-water interface adjusting device for an external three-phase separator, which relates to the technical field of three-phase separators and comprises a water level adjusting sleeve, an air pressure balancing pipe, an upper water guide pipe and a lower water guide pipe; the upper part of the water level adjusting sleeve is communicated with the top of a water chamber in the three-phase separator by an air pressure balancing pipe, and the air pressure balancing pipe is connected with a gas phase stop valve; the lower part of the water level adjusting sleeve is communicated with the side wall of a water chamber in the three-phase separator through an upper water guide pipe, and the bottom end of the water level adjusting sleeve is communicated with a settling chamber in the three-phase separator through a lower water guide pipe; the upper water guide pipe and the lower water guide pipe are both connected with liquid phase stop valves. The device is convenient to install, is convenient to clean and maintain, can realize maintenance operation without stopping in a short time, and is safe and reliable, and long in service cycle.
Description
Technical Field
The utility model relates to the technical field of three-phase separators, in particular to an oil-water interface adjusting device for an external three-phase separator.
Background
The liquid from each oil production well enters the three-phase separator through the liquid inlet pipe of the separator, the volume is increased, the flow rate is reduced, the buffer pressure is reduced, and the gas naturally escapes and floats upwards along with the reduction of the pressure and is discharged through the gas outlet. The gravity settling separation of oil and water is realized by the floating of oil and the sinking of oil under water in the three-phase separator depending on the specific gravity difference of oil and water. The separated oil overflows from the oil weir plate to the oil chamber, water enters the water chamber from the bottom channel through the oil-water interface adjusting device, and the oil, the gas and the water are discharged through an outlet pipeline.
According to the characteristics of different oil products in oil fields, different requirements on oil-water indexes and different treatment liquid amounts, a reasonable oil-water interface needs to be analyzed and adjusted in time. In the operation of the three-phase separator, a reasonable oil-water interface is an inevitable condition for how effectively the three-phase separation function is exerted. For example: when qualified oil is required to be obtained when low-water-content oil enters three phases, the oil-water interface is reduced as much as possible. The thickness of oil layer and water layer can be controlled by regulating the height of oil-water interface. The interface is improved, the water layer is thickened, the retention time of water is longer, the sedimentation is more sufficient, and the oil content of the effluent is reduced; and otherwise, the interface is reduced, the oil layer is thickened, the oil retention time is longer, and the oil is fully settled, so that the water content of the produced oil is reduced, and the produced oil is qualified.
The existing oil-water separation interface adjusting device is built in, inconvenient to maintain and difficult to visually control.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings of the prior art, and provides an oil-water interface adjusting device for an external three-phase separator, which is convenient to install, clean and maintain, safe and reliable, can realize maintenance operation without stopping in a short time, and has a long service cycle.
In order to achieve the purpose, the utility model adopts the following technical scheme: it comprises a water level adjusting sleeve, an air pressure balancing pipe, an upper water guide pipe and a lower water guide pipe; the upper part of the water level adjusting sleeve is communicated with the top of a water chamber in the three-phase separator by an air pressure balancing pipe, and the air pressure balancing pipe is connected with a gas phase stop valve; the lower part of the water level adjusting sleeve is communicated with the side wall of a water chamber in the three-phase separator through an upper water guide pipe, and the bottom end of the water level adjusting sleeve is communicated with a settling chamber in the three-phase separator through a lower water guide pipe; the upper water guide pipe and the lower water guide pipe are both connected with liquid phase stop valves; the above-mentioned water level regulating sleeve pipe includes:
the lower end of the third seamless steel pipe is communicated with the upper end of the lower aqueduct by a flange plate;
the lower end of the sleeve is sleeved and fixed on the outer wall of the third seamless steel pipe by using the blocking plate, and one end of the air pressure balance pipe is communicated with the annular wall at the upper end of the sleeve;
the weir pipe is movably arranged in the sleeve, a plurality of rectangular holes are formed in the annular wall at the upper end of the weir pipe in a penetrating manner, the lower end of the weir pipe is movably arranged in the third seamless steel pipe in a penetrating manner, and a sealing ring is arranged between the outer annular wall of the weir pipe and the inner annular wall of the third seamless steel pipe in a supporting manner;
the limiting plate is fixed on the inner annular wall of the sleeve, a plurality of waist-shaped holes are formed in the limiting plate in a penetrating mode, the weir pipe is movably arranged in the limiting plate in a penetrating mode, and one end of the upper water guide pipe is connected with the annular wall of the sleeve below the limiting plate in a penetrating mode;
the lower end of the second seamless steel pipe is fixedly connected with the upper end of the weir pipe by a steel plate, and the outer ring wall of the second seamless steel pipe is connected with round steel which is arranged in a limiting strip fixed on the inner wall of the sleeve in a vertical sliding manner;
the lower end of the screw rod penetrates through the first flange assembly fixed at the upper end of the sleeve, is inserted into the second seamless steel pipe and is connected with the second seamless steel pipe by utilizing the bolt assembly;
the fourth seamless steel pipe is sleeved outside the screw rod, and the lower end of the fourth seamless steel pipe is fixed on the upper part of the first flange assembly;
the first seamless steel pipe is sleeved outside the screw rod, and the lower end of the first seamless steel pipe is fixed at the upper end of the fourth seamless steel pipe by a second flange assembly;
and the hand wheel is sleeved outside the screw rod, the inner ring of the hand wheel is fixedly connected with a nut on the screw rod, and the inner ring of the hand wheel is rotatably clamped on the upper port of the first seamless steel pipe.
Preferably, the upper end of the screw rod is sleeved with a protective cover, and the lower end of the protective cover is fixed on a nut which is in threaded connection with the top end of the outer wall of the nut.
Preferably, a plurality of rib plates are connected between the outer wall of the lower end of the second seamless steel pipe and the inner wall of the top end of the weir pipe.
Preferably, the outer wall of the casing is connected with the outer wall of the three-phase separator by a support bracket.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides an oil-water interface adjusting device for an external three-phase separator, which is convenient to install, clean and maintain, safe and reliable, can realize non-stop maintenance operation in a short time, and has a long service cycle.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a schematic view of the inner structure of the water level regulating socket according to the present invention.
Fig. 4 is a sectional view taken along line a-a in fig. 3.
Description of reference numerals:
the device comprises a water level adjusting sleeve 1, a protective cover 1-1, a screw rod 1-2, a hand wheel 1-3, a first seamless steel pipe 1-4, a first flange component 1-5, a second seamless steel pipe 1-6, a rib plate 1-7, a sleeve 1-8, a water weir pipe 1-9, a limiting plate 1-10, a blocking plate 1-11, a third seamless steel pipe 1-12, a flange plate 1-13, a limiting strip 1-14, round steel 1-15, a sealing ring 1-16, a fourth seamless steel pipe 1-17, a second flange component 1-18, an air pressure balance pipe 2, an upper water guide pipe 3, a lower water guide pipe 4, a gas phase stop valve 5, a liquid phase stop valve 6 and a support frame 7.
The specific implementation mode is as follows:
the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: it comprises a water level adjusting sleeve 1, an air pressure balancing pipe 2, an upper water guide pipe 3 and a lower water guide pipe 4; the upper part of the water level adjusting sleeve 1 is communicated with the top of a water chamber in the three-phase separator by an air pressure balancing pipe 2, and the air pressure balancing pipe 2 is connected with a gas phase stop valve 5; the lower part of the water level adjusting sleeve 1 is communicated with the side wall of a water chamber in the three-phase separator through an upper water guide pipe 3, and the bottom end of the water level adjusting sleeve 1 is communicated with a settling chamber in the three-phase separator through a lower water guide pipe 4; the upper water guide pipe 3 and the lower water guide pipe 4 are both connected with a liquid phase stop valve 6; the above water level regulating socket 1 comprises:
the lower end of the third seamless steel pipe 1-12 is communicated with the upper end of the lower aqueduct 4 by a flange plate 1-13;
the lower end of the sleeve 1-8 is sleeved and fixed on the outer wall of a third seamless steel pipe 1-12 by using a blocking plate 1-11, the outer ring wall of the blocking plate 1-11 is welded and fixed on the inner ring wall of the sleeve 1-8, the inner ring wall of the blocking plate 1-11 is welded and fixed on the outer ring wall of the third seamless steel pipe 1-12, and one end of the air pressure balance pipe 2 is communicated with the upper ring wall of the sleeve 1-8;
the weir pipe 1-9 is movably arranged in the sleeve 1-8, a plurality of rectangular holes are formed in the annular wall at the upper end of the weir pipe 1-9 in a penetrating manner, the lower end of the weir pipe 1-9 is movably arranged in the seamless steel pipe No. three 1-12 in a penetrating manner, a sealing ring 1-16 is arranged between the outer annular wall of the weir pipe 1-9 and the inner annular wall of the seamless steel pipe No. three 1-12 in a supporting manner, and the sealing ring 1-16 is fixed on the inner annular wall of the seamless steel pipe No. three 1-12;
the water guide device comprises limiting plates 1-10, wherein the limiting plates 1-10 are welded and fixed on the inner annular walls of sleeves 1-8, two waist-shaped holes are formed in the limiting plates 1-10 in a penetrating manner, water weir pipes 1-9 are movably arranged in the limiting plates 1-10 in a penetrating manner, and one end of the upper water guide pipe 3 is connected with the annular walls of the sleeves 1-8 below the limiting plates 1-10 in a penetrating manner;
the lower end of the second seamless steel tube 1-6 is fixedly connected with the upper end of the water weir tube 1-9 by a steel plate, round steel 1-15 is fixedly welded on the outer ring wall of the second seamless steel tube 1-6, and the round steel 1-15 is arranged in a limiting strip 1-14 fixed on the inner wall of the sleeve 1-8 in a vertically sliding manner;
the lower end of the screw rod 1-2 penetrates through a first flange assembly 1-5 fixed at the upper end of a sleeve 1-8 and then is inserted into a second seamless steel pipe 1-6, and the screw rod 1-2 is connected with the second seamless steel pipe 1-6 by a bolt assembly;
a fourth seamless steel pipe 1-17, wherein the fourth seamless steel pipe 1-17 is sleeved outside the screw rod 1-2, and the lower end of the fourth seamless steel pipe is welded and fixed on the upper part of the first flange component 1-5;
the first seamless steel pipe 1-4 is sleeved outside the screw rod 1-2, and the lower end of the first seamless steel pipe 1-4 is fixed at the upper end of the fourth seamless steel pipe 1-17 by utilizing a second flange assembly 1-18;
the hand wheel 1-3 is sleeved outside the screw rod 1-2, an inner ring of the hand wheel 1-3 is fixedly connected with a nut on the screw rod 1-2, and the inner ring of the hand wheel 1-3 is rotatably clamped on an upper port of the first seamless steel tube 1-4.
Preferably, the upper end of the screw rod 1-2 is sleeved with a protective cover 1-1, and the lower end of the protective cover 1-1 is welded and fixed on a nut which is screwed on the top end of the outer wall of the nut.
As a preferable scheme, a plurality of rib plates 1-7 are welded between the outer wall of the lower end of the second seamless steel pipe 1-6 and the inner wall of the top end of the weir pipe 1-9.
Preferably, the outer walls of the casings 1-8 are connected to the outer wall of the three-phase separator by means of a support 7.
The working principle of the specific embodiment is as follows: the hand wheel 1-3 is rotated to drive the screw rod 1-2 to rotate, and the screw rod 1-2 drives the water weir pipe 1-9 to move up and down to realize the change of the up and down position; water at the bottom of a settling chamber in the three-phase separator enters water weir pipes 1-9 in a water level adjusting sleeve 1 through a lower water guide pipe 4, flows out of rectangular holes in the side walls of the top ends of the water weir pipes 1-9 into the sleeve 1-8, and finally flows into a water chamber in the three-phase separator through an upper flow guide pipe 3 which is connected with the sleeve 1-8 in a penetrating manner.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the structure is simple, and the installation is convenient;
2. the device is arranged outside the three-phase separator, is convenient to clean and maintain, and can be maintained without stopping in a short time;
3. safe and reliable, the life cycle is long.
It will be appreciated by those skilled in the art that modifications and equivalents may be made to the embodiments described above, and that various modifications, equivalents, improvements and the like may be made without departing from the spirit and scope of the utility model.
Claims (4)
1. The utility model provides an external oil water interface adjusting device for three-phase separator which characterized in that: it comprises a water level adjusting sleeve (1), an air pressure balancing pipe (2), an upper water guide pipe (3) and a lower water guide pipe (4); the upper part of the water level adjusting sleeve (1) is communicated with the top of a water chamber in the three-phase separator by an air pressure balancing pipe (2), and the air pressure balancing pipe (2) is connected with a gas phase stop valve (5); the lower part of the water level adjusting sleeve (1) is communicated with the side wall of a water chamber in the three-phase separator through an upper water guide pipe (3), and the bottom end of the water level adjusting sleeve (1) is communicated with a settling chamber in the three-phase separator through a lower water guide pipe (4); the upper water guide pipe (3) and the lower water guide pipe (4) are both connected with a liquid phase stop valve (6); the water level adjusting bushing (1) comprises:
the lower end of the third seamless steel pipe (1-12) is communicated with the upper end of the lower aqueduct (4) by a flange plate (1-13);
the lower end of the sleeve (1-8) is sleeved and fixed on the outer wall of a third seamless steel pipe (1-12) by using a blocking plate (1-11), and one end of the air pressure balance pipe (2) is communicated with the upper annular wall of the sleeve (1-8);
the weir pipe (1-9), the weir pipe (1-9) is movably arranged in the casing pipe (1-8), the annular wall at the upper end of the weir pipe (1-9) is provided with a plurality of rectangular holes in a run-through manner, the lower end of the weir pipe (1-9) is movably arranged in the third seamless steel pipe (1-12) in a run-through manner, and a sealing ring (1-16) is arranged between the outer annular wall of the weir pipe (1-9) and the inner annular wall of the third seamless steel pipe (1-12);
the water guide device comprises limiting plates (1-10), wherein the limiting plates (1-10) are fixed on the inner annular walls of sleeves (1-8), a plurality of waist-shaped holes are formed in the limiting plates (1-10) in a penetrating mode, water weir pipes (1-9) are movably arranged in the limiting plates (1-10) in a penetrating mode, and one end of the upper water guide pipe (3) is connected with the annular walls of the sleeves (1-8) located below the limiting plates (1-10) in a penetrating mode;
the lower end of the second seamless steel pipe (1-6) is connected and fixed at the upper end of the water weir pipe (1-9) by a steel plate, the outer ring wall of the second seamless steel pipe (1-6) is connected with round steel (1-15), and the round steel (1-15) is arranged in a limiting strip (1-14) fixed on the inner wall of the sleeve (1-8) in a vertically sliding manner;
the lower end of the screw rod (1-2) penetrates through a first flange assembly (1-5) fixed at the upper end of the sleeve (1-8) and then is inserted into a second seamless steel pipe (1-6), and the screw rod is connected with the second seamless steel pipe (1-6) by a bolt assembly;
the fourth seamless steel pipe (1-17), the fourth seamless steel pipe (1-17) is sleeved outside the screw rod (1-2), and the lower end of the fourth seamless steel pipe is fixed on the upper part of the first flange component (1-5);
the first seamless steel pipe (1-4) is sleeved outside the screw rod (1-2), and the lower end of the first seamless steel pipe (1-4) is fixed at the upper end of the fourth seamless steel pipe (1-17) by utilizing a second flange assembly (1-18);
the hand wheel (1-3), the hand wheel (1-3) is sleeved outside the screw rod (1-2), an inner ring of the hand wheel is fixedly connected with a nut on the screw rod (1-2), and the inner ring of the hand wheel (1-3) is rotatably clamped on an upper port of the first seamless steel tube (1-4).
2. The oil-water interface adjusting device for the external three-phase separator as claimed in claim 1, wherein: the upper end of the screw rod (1-2) is sleeved with a protective cover (1-1), and the lower end of the protective cover (1-1) is fixed on a nut which is in threaded connection with the top end of the outer wall of the screw nut.
3. The oil-water interface adjusting device for the external three-phase separator as claimed in claim 1, wherein: a plurality of rib plates (1-7) are connected between the outer wall of the lower end of the second seamless steel pipe (1-6) and the inner wall of the top end of the weir pipe (1-9).
4. The oil-water interface adjusting device for the external three-phase separator as claimed in claim 1, wherein: the outer walls of the sleeves (1-8) are connected with the outer wall of the three-phase separator through a support frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121821638.3U CN215520846U (en) | 2021-08-05 | 2021-08-05 | Oil-water interface adjusting device for external three-phase separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121821638.3U CN215520846U (en) | 2021-08-05 | 2021-08-05 | Oil-water interface adjusting device for external three-phase separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215520846U true CN215520846U (en) | 2022-01-14 |
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ID=79789708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121821638.3U Active CN215520846U (en) | 2021-08-05 | 2021-08-05 | Oil-water interface adjusting device for external three-phase separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215520846U (en) |
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2021
- 2021-08-05 CN CN202121821638.3U patent/CN215520846U/en active Active
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