CN212731463U

CN212731463U - Shale gas desanding and separating device

Info

Publication number: CN212731463U
Application number: CN202120361343.6U
Authority: CN
Inventors: 刘恩斌; 吴沛柠; 唐莹; 郭冰燕
Original assignee: Southwest Petroleum University
Current assignee: Southwest Petroleum University
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-03-19
Anticipated expiration: 2031-02-09

Abstract

The utility model discloses a shale gas sand removal separator relates to screening technical field, and is unsatisfactory to current partial shale gas sand removal separator's sand removal effect, and has the comparatively difficult problem of installation, now proposes following scheme, and it includes mounting bracket and support column, the inside telescopic link that is provided with of support column, the telescopic link is kept away from and is installed the inside one end of support column and be provided with the backup pad, the upper surface of backup pad is established at the limiting plate, the upper surface of backup pad is provided with the toper dust arrester, the side of mounting bracket is provided with the conical duct, the conical duct top is provided with the filtration storehouse, it is provided with the overflow pipe to filter the storehouse top, the overflow pipe is kept away from the one end that is provided with the filtration storehouse and is provided with the gas outlet, the inside first filter. The utility model discloses novel structure, and simple structure, light in weight, the installation of being convenient for does not need additional extra power equipment, can high-efficiently accomplish the desanding work in the shale gas exploitation.

Description

Shale gas desanding and separating device

Technical Field

The utility model relates to a screening technical field especially relates to a shale gas degritting separator.

Background

The shale gas desanding and separating device is characterized in that energy is an important material basis for social and economic development, the energy utilization level is also an important mark for the social and economic development level of each country, the natural gas development strategy is an important component of the energy development strategy of China, a shale reservoir has poor physical property, low porosity and extremely low permeability, the sand content of fluid is very high after filtering and separating in the production process of a shale gas field, a plurality of elbows, needle valves and other throttle valves between a wellhead and a gas-liquid separator are easy to lose effectiveness due to the erosion effect of solid particles, serious harm is caused to equipment, and the working efficiency of shale gas exploitation is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a shale gas desanding and separating device, it is unsatisfactory to have solved current partial shale gas desanding and separating device's desanding effect, and has the comparatively difficult problem of installation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shale gas desanding and separating device comprises a mounting frame and a support column, wherein a telescopic rod is arranged inside the support column, a support plate is arranged at one end, away from the support column, of the telescopic rod, a limit plate is arranged on the upper surface of the support plate, a conical dust collector is arranged on the upper surface of the support plate, a conical pipe is arranged on the side surface of the mounting frame, a filter bin is arranged at the top of the conical pipe, an overflow pipe is arranged at the top of the filter bin, an air outlet is formed in one end, away from the filter bin, of the overflow pipe, a first filter screen is arranged inside the overflow pipe, a second filter screen is arranged between the filter bin and the conical pipe, a stirring impeller is arranged on the lower surface of the second filter screen, an air inlet is arranged on the side surface of the filter bin, the inside fixed block that is provided with of filtration storehouse, the inside pivot that is provided with of fixed block, the pivot surface is rotated and is connected with the baffle.

Preferably, four conical tubes are arranged on the periphery of the mounting frame, and the conical tubes are arranged at the centers of the four mounting frames.

Preferably, the support column is provided with four, every in backup pad below the support column inside all is provided with the telescopic link, every the telescopic link all is connected with the backup pad, the limiting plate is provided with two on the backup pad surface, and the toper dust arrester is installed two between the limiting plate.

Preferably, the number of the air inlets is two, and a filter pipe is arranged inside each air inlet.

Preferably, eight filter pipes are arranged inside each air inlet, a first filter element and a second filter element are mounted inside each filter pipe, and the aperture of the first filter element is larger than that of the second filter element.

Preferably, the aperture of first filter screen is greater than the second filter screen, first filter, second filter, the aperture of first filter and second filter decrease in proper order.

The utility model has the advantages that:

1. the telescopic link through the inside setting of support column can promote the backup pad and remove, and the backup pad removes and drives the toper dust arrester and remove to make the toper dust arrester collect the sand body that drops in the conical tube, improve the practicality of device.

2. Through the two air inlets that set up, two-way entry has better fluid state promptly more stable whirl than the mode of one-way entry, improves the efficiency of admitting air of device, and the inside eight filter tubes that set up of air inlet can carry out prefilter to gas, and the first filter screen and the second filter screen that set up simultaneously can carry out further filtration to the sand body in the shale gas.

In conclusion, the device is simple in structure, light in weight, convenient to install, does not need additional power equipment, can efficiently complete the desanding work in shale gas exploitation, and solves the problems that the existing partial shale gas desanding and separating device is unsatisfactory in desanding effect and difficult to install.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 1 according to the present invention.

Reference numbers in the figures: 1. a mounting frame; 2. a support plate; 3. a support pillar; 4. a telescopic rod; 5. a limiting plate; 6. a cone-shaped dust collector; 7. a tapered tube; 8. a filtering bin; 9. an overflow pipe; 10. an air outlet; 11. a first filter screen; 12. a second filter screen; 13. a stirring impeller; 14. an air inlet; 15. a filter tube; 16. a first filter member; 17. a second filter member; 18. a fixed block; 19. a rotating shaft; 20. and a baffle plate.

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.

Referring to fig. 1-4, the utility model provides the following technical scheme:

a shale gas desanding and separating device comprises a mounting frame 1 and a support column 3, wherein a telescopic rod 4 is arranged inside the support column 3, a support plate 2 is arranged at one end, away from the support column 3, of the telescopic rod 4, a limiting plate 5 is arranged on the upper surface of the support plate 2, a conical dust collector 6 is arranged on the upper surface of the support plate 2, a conical pipe 7 is arranged on the side surface of the mounting frame 1, a filtering bin 8 is arranged on the top of the conical pipe 7, an overflow pipe 9 is arranged on the top of the filtering bin 8, an air outlet 10 is arranged at one end, away from the filtering bin 8, of the overflow pipe 9, a first filter screen 11 is arranged inside the overflow pipe 9, a second filter screen 12 is arranged between the filtering bin 8 and the conical pipe 7, a stirring impeller 13 is arranged on the lower surface of the second, the inside filter tube 15 that is provided with of air inlet 14, filter tube 15 is inside to be provided with first filter 16 and the second filter 17, filter 8 inside fixed blocks 18 that are provided with of storehouse, the inside pivot 19 that is provided with of fixed blocks 18, the pivot 19 surface is rotated and is connected with baffle 20.

In this embodiment, mounting bracket 1 is provided with four around conical tube 7, conical tube 7 sets up four mounting bracket 1 center department, support column 3 is provided with four, every in backup pad 2 below 3 inside telescopic links 4, every telescopic link 4 all is connected with backup pad 2, limiting plate 5 is provided with two on 2 surfaces of backup pad, and toper dust arrester 6 is installed two between the limiting plate 5.

Further, the air inlet 14 is provided with two, every the inside filter tube 15 that all is provided with of air inlet 14, every the inside eight that all is provided with of air inlet 14 filter tube 15, every filter tube 15 is inside all to be installed first and to be filtered 16 and second and to filter 17, the aperture that first filtration piece 16 is greater than the aperture that the second filtered 17.

Besides, the aperture of the first filter 11 is larger than that of the second filter 12, and the apertures of the first filter 16, the second filter 17, the first filter 11 and the second filter 12 decrease in sequence.

When the utility model is used, the device is firstly installed at a proper position through the installation frame 1, then the supporting plate 2 is pushed through the telescopic rod 4 inside the supporting column 3, thereby the conical dust collector 6 between the limiting plates 5 is contacted with the conical pipe 7, then the shale gas pipeline is connected with the two gas inlets 14, the gas passes through the filtering pipe 15 inside the gas inlet 14 and is primarily filtered through the first filtering piece 16 and the second filtering piece 17 inside the filtering pipe 15, the baffle 20 is pushed by the gas and rotates on the surface of the rotating shaft 19 inside the fixing block 18, thereby the gas enters the filtering bin 8, the gas is contacted with the inner wall of the filtering bin 8, the gas is converted into spiral motion around the axial direction through the original linear motion, and the stirring impeller 13 is driven to rotate, the fluid moves downwards along the wall under the action of tangential velocity and centripetal force, the outer rotational flow is formed, when gas is subjected to external rotational flow, the tangential velocity is increased, the surrounding pressure is continuously increased, when the airflow moves to a certain position of the cone section, a negative pressure area is formed at the position of the axial center, at the moment, fluid is gathered towards the axial center and starts to perform spiral motion from bottom to top to form internal rotational flow, finally, the airflow is subjected to secondary filtration through the first filter screen 11, then a small amount of particle solids are carried and discharged from the gas outlet 10 at the top of the overflow pipe 9, most particles lose original inertia force after being in contact collision with the wall surface, are filtered through the second filter screen 12, and then are finally collected by the conical dust collector 6 at the bottom of the conical pipe 7 downwards along the wall surface.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The shale gas desanding and separating device comprises a mounting rack (1) and a support column (3), and is characterized in that a telescopic rod (4) is arranged inside the support column (3), the telescopic rod (4) is far away from one end arranged inside the support column (3) and is provided with a support plate (2), the upper surface of the support plate (2) is provided with a limiting plate (5), the upper surface of the support plate (2) is provided with a conical dust collector (6), the side surface of the mounting rack (1) is provided with a conical pipe (7), the top of the conical pipe (7) is provided with a filtering bin (8), the top of the filtering bin (8) is provided with an overflow pipe (9), one end of the overflow pipe (9) far away from the filtering bin (8) is provided with a gas outlet (10), a first filtering net (11) is arranged inside the overflow pipe (9), and a second filtering net (12) is arranged between the filtering, the lower surface of second filter screen (12) is provided with impeller (13), the side of crossing filter storehouse (8) is provided with air inlet (14), inside filter tube (15) that is provided with of air inlet (14), inside first filter piece (16) and the second filter piece (17) of being provided with of filter tube (15), it is provided with fixed block (18) to cross filter storehouse (8) inside, inside pivot (19) that is provided with of fixed block (18), pivot (19) surface rotation is connected with baffle (20).

2. The shale gas desanding and separating device as claimed in claim 1, wherein the mounting frame (1) is provided with four conical pipes (7) at the periphery, and the conical pipes (7) are arranged at the centers of the four mounting frames (1).

3. The shale gas desanding and separating device according to claim 1, wherein four supporting columns (3) are arranged below the supporting plate (2), each supporting column (3) is internally provided with a telescopic rod (4), each telescopic rod (4) is connected with the supporting plate (2), two limiting plates (5) are arranged on the surface of the supporting plate (2), and the conical dust collector (6) is arranged between the two limiting plates (5).

4. The shale gas desanding and separating device as claimed in claim 1, wherein two air inlets (14) are provided, and a filter pipe (15) is provided inside each air inlet (14).

5. A shale gas desanding and separating device according to claim 4, wherein eight filter tubes (15) are arranged inside each air inlet (14), a first filter element (16) and a second filter element (17) are arranged inside each filter tube (15), and the aperture of the first filter element (16) is larger than that of the second filter element (17).

6. The shale gas desanding and separating device according to claim 1, wherein the first filter (11) has a larger aperture than the second filter (12), and the apertures of the first filter (16), the second filter (17), the first filter (11) and the second filter (12) decrease in sequence.