CN218530199U

CN218530199U - Natural gas-liquid separation device

Info

Publication number: CN218530199U
Application number: CN202222386368.9U
Authority: CN
Inventors: 邓燕龙; 王开蓉; 侯浩
Original assignee: Chengdu Rise Energy Technology Development Co ltd
Current assignee: Chengdu Rise Energy Technology Development Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-02-28
Anticipated expiration: 2032-09-08

Abstract

The application provides a natural gas liquid separation device, includes: jar body and filter screen, the lateral wall of jar body is equipped with the intake pipe, and the top of jar body is equipped with the blast pipe, and the filter screen is the tubbiness structure. Still including the blade cover that is tubular structure, it is equipped with the polylith blade along the circumference array, has the interval between the adjacent blade, and the length direction of blade is parallel with the axis direction of the jar body, and the blade cover is located the inside of the jar body, and has the interval between the week side of blade cover and the inner wall of the jar body, and the top of blade cover is hollow out construction, and the top of the jar body is equipped with the motor for it is rotatory around self axis to drive the blade cover, and the filter screen is located inside the blade cover. The liquid attached to the filter screen can be reduced, and the natural gas filtering and discharging efficiency is accelerated.

Description

Natural gas-liquid separation device

Technical Field

The utility model belongs to the technical field of the natural gas exploitation, especially, relate to a natural gas liquid separation device.

Background

In the later stage of natural gas exploitation, because the internal pressure of the gas well is reduced, a part of oil and gas fields have low pressure, and if continuous low pressure occurs, well repair and exploitation are difficult, and finally, the yield of the gas well is reduced and even is stopped. The underground operation is implemented without external energy supplement, the pollution of the workover fluid to the stratum is more and more serious, and the drainage period after the operation is continuously prolonged. Therefore, it is desirable to pressurize such wells, whether during production or drainage. In the prior art, a booster set is mainly used for boosting a gas well, so that part of liquid in collected natural gas is carried to a pipeline together, and a liquid separator is arranged between the booster set and the gas well.

The existing liquid separation device mainly comprises a container tank and a barreled filter screen fixedly installed in the container tank, when the liquid separation device is used, gas-liquid mixed gas is filled between the inside of the container tank and the outside of the filter screen from one side of the container tank, the gas is forced to enter the middle of the filter screen by pressure, the gas is discharged from the upper part, and the liquid is separated by the filter screen and drops to the bottom of the container tank along the outer wall of the filter screen.

This kind of structure can prolong the time of liquid on the filter screen outer wall, not only leads to inside partial liquid gets into the filter screen easily, moreover because the adhesion of liquid, leads to the local filtration passageway of filter screen by the separation, and influences the inside efficiency of gaseous entering filter screen to lead to gas outgoing efficiency lower.

SUMMERY OF THE UTILITY MODEL

For solving prior art not enough, the utility model provides a natural gas liquid separator, reducible liquid of attaching to on the filter screen to accelerate natural gas filtration and discharge efficiency.

In order to realize the purpose of the utility model, the following scheme is planned to be adopted:

a natural gas liquids separation plant comprising: jar body and filter screen, the lateral wall of jar body is equipped with the intake pipe, and the top of jar body is equipped with the blast pipe, and the filter screen is the tubbiness structure.

Still including the blade cover that is tubular structure, it is equipped with the polylith blade along the circumference array, has the interval between the adjacent blade, and the length direction of blade is parallel with the axis direction of the jar body, and the blade cover is located the inside of the jar body, and has the interval between the week side of blade cover and the inner wall of the jar body, and the top of blade cover is hollow out construction, and the top of the jar body is equipped with the motor for it is rotatory around self axis to drive the blade cover, and the filter screen is located inside the blade cover.

Further, jar body top is equipped with the detachable top cap, and concrete adoption screw connection top cap and jar body can be adopted, and on the top cap was located to the blast pipe, the motor was installed in the top surface of top cap, and the motor passed the top cap downwards at the main shaft and linked to each other with the blade cover.

Furthermore, the filter screen is arranged from the bottom of the blade cover and is fixedly connected by screws, so that the filter screen and the blade cover rotate together.

Further, jar internal portion is equipped with annular trachea, annular trachea and intake pipe intercommunication, and the outside of blade cover is located to annular trachea cover, and a plurality of ventholes have been seted up towards one side of blade cover to annular tracheal lateral wall.

Further outlet holes are inclined towards the underside of the blade shroud.

Further, the blades are arranged obliquely toward the direction opposite to the rotation of the blade cover.

Furthermore, a guide groove is formed in the side wall, facing the rotation direction of the blade cover, of the blade, the guide groove is obliquely arranged, the lower point of the guide groove is located on the outer side of the blade, and the higher point of the guide groove is located on one side, close to the center of the blade cover, of the blade.

The beneficial effects of the utility model reside in that: by rotationally arranging the blade cover, part of liquid in the mixed gas can be discharged before the mixed gas is contacted with the filter screen, so that the contact probability of the liquid and the filter screen is reduced; and the filter screen and the blade cover are arranged in a rotating mode at the same time, so that liquid attached to the filter screen can be discharged quickly, the filter screen can filter natural gas in a larger range, and gas can smoothly enter the filter screen and is discharged by the exhaust pipe.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 shows a schematic view of the internal construction of the can body of the present application.

Fig. 2 shows the structure and assembly relationship of the blade cover and the filter screen.

FIG. 3 shows a cross-sectional view of the bucket cover along the length.

Fig. 4 shows a structural cross-sectional view of the circular air tube.

The mark in the figure is: the air purifier comprises a tank body-1, an air inlet pipe-11, an air outlet pipe-12, a top cover-13, an annular air pipe-14, an air outlet hole-141, a filter screen-2, a blade cover-3, blades-31, a guide groove-311, blades-31 and a motor-4.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.

As shown in fig. 1 and 2, a natural gas-liquid separation device includes: jar body 1 and filter screen 2, the lateral wall of jar body 1 is equipped with intake pipe 11, and the top of jar body 1 is equipped with blast pipe 12, and filter screen 2 is the tubbiness structure, and its week side and bottom surface all can be used to filter gas to reach the mesh of separation liquid.

Specifically, as shown in fig. 1 and fig. 2, still including the blade cover 3 that is the tubular structure, it is equipped with polylith blade 31 along the circumference array, the interval has between the adjacent blade 31, the length direction of blade 31 is parallel with the axis direction of the jar body 1, the inside of the jar body 1 is located to blade cover 3, and the interval has between the week side of blade cover 3 and the inner wall of the jar body 1, the top of blade cover 3 is hollow out construction, so that the natural gas discharges, the top of the jar body 1 is equipped with motor 4, be used for driving blade cover 3 around self axis rotation, filter screen 2 is located inside blade cover 3.

When the mixed gas enters the tank 1 only through the gas inlet pipe 11, the mixed gas firstly contacts with the rotating blade cover 3, so that the liquid in the mixed gas is attached to the blades 31, and the liquid is discharged through the rotating blades 31, the blade cover 3 rotates at a low speed, the speed is lower than 150 revolutions per minute, and the phenomenon that the gas cannot enter the filter screen 2 due to the excessive centrifugal force is avoided. Part of the liquid in the mixed gas is discharged through the blade cover 3, so that the liquid contacting the filter screen 2 can be reduced. The filter net 2 rotates together with the blade cover 1 to sequentially remove the liquid attached to the outer wall thereof, thereby further improving the efficiency of the gas entering the inside of the filter net 2.

More specifically, jar body 1 top is equipped with detachable top cap 13, and concrete adoption screw connection top cap 13 and jar body 1 to the dismouting of conveniently maintaining. The exhaust pipe 12 is communicated with the top cover 13, the motor 4 is installed on the top surface of the top cover 13, and the motor 4 penetrates through the top cover 13 downwards at the main shaft and is connected with the blade cover 3. The upper end edge of the blade cover 3 is provided with an annular disc 32, and the inner wall of the tank body 1 is provided with a supporting plate of an annular structure for supporting and installing the annular disc 32 so as to prevent the main bearing of the motor 4 from being weighted by the blade cover 3.

Preferably, as shown in fig. 2, the filter screen 2 is installed from the bottom of the blade cover 3 and is fixed by a screw connection, so that the filter screen 2 and the blade cover 3 rotate together, and the liquid attached to the outer wall of the filter screen 2 can rapidly fall down.

Preferably, as shown in fig. 1 and 4, an annular air pipe 14 is arranged inside the tank body 1, the annular air pipe 14 is communicated with the air inlet pipe 11, the annular air pipe 14 is sleeved outside the blade cover 3, and a plurality of air outlet holes 141 are formed in one side wall of the annular air pipe 14 facing the blade cover 3, and are used for simultaneously spraying the mixed gas to the peripheral side of the blade cover 3, so that the mixed gas can be rapidly and more uniformly distributed on the peripheral side of the blade cover 3.

More preferably, as shown in fig. 4, the gas outlet 141 is inclined downward from the blade cover 3, and the mixed gas is obliquely downward jetted toward the blade cover 3, whereby the liquid in the mixed gas is rapidly discharged downward.

Preferably, as shown in fig. 3, the blades 31 are inclined toward the opposite direction of the rotation of the blade cover 3, in this embodiment, the blade cover 3 rotates counterclockwise as shown by the arrow in fig. 3, and the blades 31 are inclined toward the clockwise direction. This structure can make mist fully and blade 31 contact, avoids mist direct and filter screen 2 contact, is favorable to throwing away liquid to the outside of blade cover 3 simultaneously for liquid discharge reduces the liquid volume that gets into filter screen 2.

Preferably, as shown in fig. 2, a guide groove 311 is formed on a side wall of the blade 31 facing the rotation direction of the blade cover 3, the guide groove 311 is disposed in an inclined manner, a low point of the guide groove is located on the outer side of the blade 31, and a high point of the guide groove is located on a side of the blade 31 close to the center of the blade cover 3, so as to rapidly discharge the liquid downward.

The foregoing is illustrative of the preferred embodiments of the present invention and is not intended to be the only or limiting embodiment of the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. A natural gas liquids separation plant comprising: the jar body (1) and filter screen (2), the lateral wall of the jar body (1) is equipped with intake pipe (11), the top of the jar body (1) is equipped with blast pipe (12), filter screen (2) are the tubbiness structure, a serial communication port, still including blade cover (3) that is the tubular structure, it is equipped with polylith blade (31) along the circumference array, the interval has between adjacent blade (31), the length direction of blade (31) is parallel with the axis direction of the jar body (1), the inside of the jar body (1) is located in blade cover (3), and the interval has between the week side of blade cover (3) and the inner wall of the jar body (1), the top of blade cover (3) is hollow out construction, the top of the jar body (1) is equipped with motor (4), be used for driving blade cover (3) around self axis rotation, blade cover (3) are located inside filter screen (2).

2. The natural gas and liquid separation device according to claim 1, wherein a detachable top cover (13) is arranged at the top of the tank body (1), the exhaust pipe (12) is arranged on the top cover (13), the motor (4) is installed on the top surface of the top cover (13), and the motor (4) penetrates through the top cover (13) downwards at a main shaft and is connected with the blade cover (3).

3. A natural gas liquid separation apparatus according to claim 1, wherein the filter screen (2) is installed from the bottom of the blade cover (3) and is fixed by a screw connection so that the filter screen (2) and the blade cover (3) rotate together.

4. The natural gas liquid separation device according to claim 1, wherein an annular gas pipe (14) is arranged inside the tank body (1), the annular gas pipe (14) is communicated with the gas inlet pipe (11), the annular gas pipe (14) is sleeved outside the blade cover (3), and a plurality of gas outlet holes (141) are formed in one side of the side wall of the annular gas pipe (14) facing the blade cover (3).

5. A natural gas liquid separation device according to claim 4, wherein the gas outlet holes (141) are inclined toward the lower side of the blade cover (3).

6. Natural gas liquid separation device according to claim 1, characterized in that the blades (31) are inclined towards the direction opposite to the rotation of the blade cover (3).

7. The natural gas liquid separation device according to claim 1 or 6, wherein a guide groove (311) is formed in a side wall of the blade (31) facing the rotation direction of the blade cover (3), the guide groove (311) is arranged in an inclined manner, a low point of the guide groove is located on the outer side of the blade (31), and a high point of the guide groove is located on one side of the blade (31) close to the center of the blade cover (3).