CN211215818U

CN211215818U - Inertial separator

Info

Publication number: CN211215818U
Application number: CN201922121721.9U
Authority: CN
Inventors: 陈鸿; 李子硕
Original assignee: Wisdom Energy Technology Co Ltd
Current assignee: Wisdom Energy Technology Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-11
Anticipated expiration: 2029-11-29

Abstract

The application provides an inertial separator for separating gas from liquid and solid in a gas-liquid-solid mixed medium, the inertial separator comprises a cylinder body and a fluid director, the cylinder body is provided with an inlet end, a liquid outlet end and a gas output channel, the cylinder comprises an inlet part and a liquid collecting part connected to the inlet part, a liquid collecting cavity is formed in the liquid collecting part, the inlet end is arranged on the inlet part, the liquid outlet end is arranged at the liquid collecting part, the fluid director is used for dispersing the gas-liquid-solid mixed medium entering the inlet part to the inner wall of the liquid collecting cavity in a cyclone manner so as to separate gas, liquid and solid, the gas output channel comprises a gas output pipe arranged in the liquid collection cavity in a penetrating mode, and a rotational flow guide plate is arranged on the outer wall of the gas output pipe, so that fluid passing through the rotational flow guide plate is dispersed to the inner wall of the liquid collection cavity by rotational flow again.

Description

Inertial separator

Technical Field

The utility model relates to a gas-liquid-solid separation device, in particular to an inertia separator.

Background

In the existing inertial separator, the centrifugal force generated by the swirling flow of the two-phase (three-phase) fluid causes the liquid phase component to diffuse axially outward and impinge on the cylindrical inner wall surface of the vessel, forming liquid droplets, which are discharged through the corresponding outlets, and the remaining gas phase is discharged out of the vessel through a separate outlet. The flow field of the liquid-solid medium in the inertial separator is relatively disordered and cannot be further collected, so that the separation efficiency of the gas-liquid-solid mixed medium is relatively low, the preset separation efficiency can be achieved only by repeating the separation operation for many times, and the waste of manpower and financial resources is caused.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides an inertial separator capable of improving gas-liquid separation efficiency and preventing backflow.

In one embodiment, the swirl guide plate is a swirl vane guide plate.

In one embodiment, the swirl vane guide plate is provided in two pieces.

In one embodiment, the two swirl vane guide plates have the same curvature.

In one embodiment, the swirl guide plate is a spiral guide plate formed by spirally extending from the gas inlet end of the gas outlet pipe to the gas outlet end of the gas outlet pipe along the outer wall of the gas outlet pipe.

In one embodiment, a liquid outlet pipe is arranged at the bottom of the liquid collecting part, the liquid outlet pipe is provided with a liquid outlet pipe inlet and a liquid outlet pipe outlet, the liquid outlet pipe inlet is communicated with the liquid collecting cavity, and the liquid outlet end is located at the liquid outlet pipe outlet.

In an embodiment, the inlet portion has a first end and a second end opposite to each other, the inlet end is disposed at the first end, the flow guider is mounted at the second end, the flow guider comprises a flow guiding cone and a plurality of guide vanes mounted on the flow guiding cone, the gas-liquid-solid mixed medium entering the inlet portion is dispersed to the inner wall of the liquid collecting portion by swirling flow through the guide vanes to separate gas and liquid, the gas is discharged through the gas output channel, and the liquid and solid flow out from the liquid outlet end by using the self gravity of the liquid and solid.

In one embodiment, the liquid collecting part comprises a first part and a second part, the inlet part and the first part are fixedly connected by a flange, the first part and the second part are fixedly connected by a flange, the gas inlet end of the gas output pipe is positioned in the first part, and the swirl guide plate is positioned in the second part at one side close to the first part.

In an embodiment, the gas output channel includes a gas output portion and the gas output pipe connected to one end of the gas output portion, the gas output portion has a gas transmission pipeline therein, the gas output pipe is communicated with the gas transmission pipeline, the gas output pipe penetrates through an end portion of the second portion on a side far away from the first portion and is arranged in the liquid collection cavity, and the gas output portion is connected to an end portion of the second portion on a side far away from the first portion through a flange.

In one embodiment, the liquid collection chambers in the first portion are tapered in the direction of fluid flow and the liquid collection chambers in the second portion are tapered in the direction of fluid flow.

To sum up, the utility model provides an increase liquid solid fluid and condense, prevent backward flow, strengthen gas separation's inertial separation ware, this inertial separation ware is arranged along horizontal direction or vertical direction and is placed, and liquid and solid in the gas-liquid solid mixed medium produce the torrent when the blade divertor and condense with gas separation to flow to the inertial separation ware internal face, be equipped with the non-smooth surface on the divertor, are favorable to producing the torrent and condense. And liquid and solid parts in the gas-liquid-solid mixed medium flow downwards along the inner wall due to the self gravity of the liquid and solid parts and flow out from the liquid outlet end through the liquid outlet pipe, and the gas parts are extruded and discharged from the gas output channel. Be equipped with the whirl baffle on the gas output pipe outer wall, the whirl baffle can block that gaseous carrying liquid granule and slight particulate matter backward flow get into gas output channel, can play the effect of secondary whirl simultaneously, and the solid separation efficiency of gas-liquid is effectively improved to reinforcing cyclone separation effect. The utility model discloses an inertial separator simple structure, separation efficiency is high, is suitable for and popularizes and applies in the industry.

Drawings

Fig. 1 is a schematic perspective view of an inertial separator according to the present invention.

Fig. 2 is a side cross-sectional view of the inertial separator of the present invention.

Fig. 3 is a schematic perspective view of the swirl guide plate of the present invention mounted on the gas outlet pipe.

Fig. 4 is a side view of the swirl guide plate of the present invention mounted on the gas outlet pipe.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

In the present specification and claims, the description is given when the inertial separator is placed horizontally (in a normal use state), and therefore, the description is given with reference to the horizontal placement state thereof, using a large number of terms in the vertical direction and the horizontal direction.

The utility model provides a but separation efficiency is high, and inertial separation ware of anti-return, this inertial separation ware can follow horizontal direction or vertical orientation and arrange and place, and liquid, solid in the gas-liquid solid mixed medium, when the blade divertor, produce the torrent and condense, with gas separation, and the internal face to inertial separation ware is equipped with the non-smooth surface on the divertor, is favorable to producing the torrent and condenses. The liquid and solid parts in the gas-liquid-solid mixed medium flow downwards along the inner wall due to the self gravity and flow out from the liquid outlet, and the gas parts are extruded and discharged from the gas outlet.

As shown in fig. 1-4, an inertial separator 10 is provided, the inertial separator 10 including a cylinder 12 and a fluid director 14 mounted within the cylinder 12, the cylinder 12 being disposed horizontally in this embodiment, and the cylinder 12 being disposed vertically in other embodiments. The barrel 12 has an inlet end 16, a liquid outlet end 18, and a gas outlet passage 20. The inlet end 16 is connected to an external liquid outlet pipe to input a gas-liquid-solid mixed medium, such as petroleum gas-liquid-solid mixed medium, into the cylinder 12, wherein the solid medium is fine particles doped in the liquid medium, and hereinafter the mixture of liquid and solid is referred to as liquid-solid fluid. The liquid outlet end 18 is used for discharging the separated liquid-solid fluid part, and the separated gas part is discharged through the gas output channel 20.

The barrel 12 includes an inlet part 22 arranged in a horizontal direction and a liquid collecting part 24 connected to the inlet part 22, and a liquid collecting chamber 26 is formed in the liquid collecting part 24. The inlet end 16 is arranged at the inlet part 22 and is used for inputting gas-liquid-solid mixed media, and the liquid outlet end 18 and the gas output channel 20 are arranged at the liquid collecting part 24 and are respectively used for discharging liquid-solid fluid and gas. The flow guider 14 is disposed between the inlet port 22 and the liquid collecting portion 24 for dispersing the gas-liquid-solid mixed medium entering the inlet port 22 into the inner wall of the liquid collecting chamber 26 by swirling to separate the gas and the liquid-solid fluid.

A sump 28 is formed in the bottom of the sump portion 24, the sump 28 is in communication with the sump cavity 26, and the sump 28 is configured such that separated liquid and solid fluid can flow out of the outlet end 18 by its own weight when the separated liquid and solid fluid are collected in the sump 28 to a sufficient mass. The sump 28 is formed at the bottom of the sump portion 24, which is the bottom in the vertical direction of the cylinder 12. A drain 30 is connected to the bottom of the sump portion 24, the drain 30 having a drain inlet 32 and a drain outlet 34, the drain inlet 32 communicating with the sump 28, and the drain outlet 34 being at the drain end 18. In the illustrated embodiment, effluent channel 30 is disposed at an end of sump portion 24 distal from inlet portion 22, and effluent channel 30 extends in a vertical direction to facilitate the flow of liquid-solid fluid from effluent channel 30 due to its own weight.

More specifically, the outlet pipe inlet 32 opens at the bottom of the sump 28, and the sump 28 extends in parallel in the axial direction of the barrel 12 up to and in communication with the outlet pipe inlet 32. The sump 28 is divergent in the direction of fluid flow and the outlet pipe inlet 32 is located at the enlarged end of the sump 28. The bottom of the sump 28 is inclined in the direction of fluid flow to a side away from the central axis of the barrel 12 and may be set at an angle in the range of 15 to 45. During flowing of the gas-liquid-solid mixed medium, liquid-solid fluid is dispersed to the inner wall of the liquid collecting cavity 26 by rotational flow and is condensed in the liquid collecting groove 28, and the liquid-solid fluid is converged into a strand along the flow channel and directly flows into the liquid outlet pipe inlet 32. The liquid-solid fluid can not be discharged quickly by keeping the bottom of the liquid collecting tank 28 at a proper inclination angle, and the liquid can be condensed into large liquid drops by stopping in the liquid collecting tank 28 for discharging liquid more smoothly and improving the separation efficiency. The gas, being less dense, has a higher flow rate and is in the high pressure region of the plenum 26, will continue to maintain the potential energy swirl and cannot be affected.

The bottom surface of the sump 28 may be a straight surface formed by a plurality of flat surfaces connected together, may be a curved surface, or may be a surface of other shape or configuration. In this embodiment, the bottom surface of the sump 28 is formed by two symmetrical planar connections.

In this embodiment, the sump portion 24 includes a first portion 36 and a second portion 38 arranged in a horizontal direction, the inlet portion 22 is fixedly connected to the first portion 36 by a flange 38, and the first portion 36 is fixedly connected to the second portion 38 by a flange 40. The sump 28 is disposed at the bottom of the second portion 38.

In the illustrated embodiment, the portion of the sump 26 located in the first portion 36 is tapered in the direction of fluid flow, and the portion of the sump 26 located in the second portion 38 is tapered in the direction of fluid flow.

The inlet end 16 is arranged at the inlet part 22, and the liquid outlet end 18 and the gas outlet channel 20 are arranged at the liquid collecting part. Specifically, inlet section 22 has opposite first and

second ends

42, 44, inlet end 18 is disposed at first end 42 of inlet section 22, and flow director 14 is mounted at second end 44 of inlet section 22 and within liquid collection section 24.

The fluid director 14 comprises a guide cone 46, a plurality of guide vanes 48 and a wall cylinder 50, wherein the guide vanes 48 are uniformly distributed on the side wall of the guide cone 46 along the circumferential direction, and the wall cylinder 50 is annularly arranged on the periphery of the guide vanes 48. More specifically, the root portion of the guide vane 48 is connected to the side wall of the guide cone 46, the tip portion of the guide vane 48 is connected to the inner wall of the wall cylinder 50, and the wall cylinder 50 is fixedly installed in the port of the liquid collecting portion 24.

The liquid-solid fluid dispersed to the inner wall surface of the liquid collecting part 24 by the fluid director 14 flows to the bottom of the liquid collecting part 24 by its own weight, a part of the liquid-solid fluid enters the liquid collecting tank 28, then flows into the liquid outlet pipe inlet 32, flows out from the liquid outlet end 18 through the liquid outlet pipe 30, and a part of the liquid-solid fluid directly flows into the liquid outlet pipe inlet 32.

The gas outlet channel 20 includes a gas outlet portion 52 and a gas outlet tube 54 connected to one end of the gas outlet portion 52, in this embodiment, the gas outlet tube 54 is a straight tube arranged in a horizontal direction, the gas outlet tube 54 has an opposite gas inlet end 56 and a gas outlet end 58, a gas delivery pipe 60 is provided in the gas outlet portion 52, and the gas outlet end 58 of the gas outlet tube 54 is communicated with the gas delivery pipe 60. A gas outlet tube 54 is disposed through the liquid collection chamber 26 through the end of the second portion 38 on the side remote from the first portion 36, with a gas inlet end 56 of the gas outlet tube 54 located in the first portion 36. The gas outlet 52 is fixedly connected to the end of the second portion 38 on the side remote from the first portion 36 by a flange 62. The end of the gas line 60 remote from the cartridge 12 communicates to the exterior of the inertial separator 10. As the gas-liquid-solid mixed medium is continuously input, the liquid-solid fluid in the liquid collecting part 24 is continuously increased, the pressure in the liquid collecting cavity 26 is increased, and the gas is pressed into the gas output pipe 54 from the gas inlet end 56 to be separated.

The outer wall of the gas outlet pipe 54 is provided with a swirl guide plate, so that the fluid passing through the swirl guide plate is again dispersed to the inner wall of the liquid collecting chamber 26 by swirl. Part of the gas dispersed by the rotational flow of the fluid director 14 will carry droplets and fine particles, and part of the gas flowing in the reverse direction from the liquid collecting chamber 26 will carry droplets and fine particles, and these two gas flows will pass through the rotational flow guide plates on the gas output pipe 54 from the front and back directions respectively. The two air flows with fine particles and liquid drops will adhere to the rotational flow guide plate and be condensed into larger liquid drops when passing through the rotational flow guide plate, and then fall into the liquid collecting part 24 along the blade shape of the rotational flow guide plate. The adhered gas is guided to the inner wall surface of the liquid collecting part through the rotational flow guide plate structure to carry out secondary rotational flow condensation, fine liquid drops in the gas flow are further condensed on the inner wall of the liquid collecting part, the separation efficiency is effectively improved, and the rotational flow guide plate prevents the gas carrying liquid particles and fine particulate matters from flowing back to enter the gas output channel to play a role in backflow prevention.

In this embodiment, the swirl guide plate is a swirl vane guide plate 64 located within the second portion 38 on a side adjacent the first portion 36. The swirl vane guide plates 64 are provided in three pieces, which have the same curvature and are uniformly arranged around the outer wall surface of the gas outlet pipe 54.

In some embodiments, the swirl guide is a spiral guide (not shown) formed by extending spirally along the outer wall of the gas outlet tube 54 from the gas inlet end of the gas outlet tube 54 toward the gas outlet end of the gas outlet tube 54.

To sum up, the utility model provides an increase liquid solid fluid and condense, prevent backward flow, strengthen gas separation's inertial separation ware, this inertial separation ware is arranged along horizontal direction or vertical direction and is placed, and liquid and solid in the gas-liquid solid mixed medium produce the torrent when the blade divertor and condense with gas separation to flow to the inertial separation ware internal face, be equipped with the non-smooth surface on the divertor, are favorable to producing the torrent and condense. And liquid and solid parts in the gas-liquid-solid mixed medium flow downwards along the inner wall due to the self gravity of the liquid and solid parts and flow out from the liquid outlet end through the liquid outlet pipe, and the gas parts are extruded and discharged from the gas output channel. Be equipped with the whirl baffle on the gas output pipe outer wall, the whirl baffle can block that gaseous carrying liquid granule and slight particulate matter backward flow get into gas output channel, can play the effect of secondary whirl simultaneously, and the solid separation efficiency of gas-liquid is effectively improved to reinforcing cyclone separation effect. The utility model discloses an anti-return inertial separator simple structure, separation efficiency is high, is suitable for and popularizes and applies in the industry.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. An inertial separator for separating gas from liquid and solid in gas-liquid-solid mixed medium, the inertial separator comprises a cylinder body and a fluid director, the cylinder body is provided with an inlet end, a liquid outlet end and a gas output channel, the cylinder comprises an inlet part and a liquid collecting part connected to the inlet part, a liquid collecting cavity is formed in the liquid collecting part, the inlet end is arranged on the inlet part, the liquid outlet end is arranged on the liquid collecting part, the fluid director is used for dispersing the gas-liquid-solid mixed medium entering the inlet part to the inner wall of the liquid collecting cavity in a cyclone manner so as to separate gas, liquid and solid, the gas output channel comprises a gas output pipe penetrating through the liquid collecting cavity, the cyclone liquid collector is characterized in that a cyclone guide plate is arranged on the outer wall of the gas output pipe, so that fluid passing through the cyclone guide plate is dispersed to the inner wall of the liquid collecting cavity by cyclone again.

2. An inertial separator according to claim 1, wherein said swirl guide plate is a swirl vane guide plate.

3. An inertial separator according to claim 2, wherein the swirl vane guide plate is provided in two pieces.

4. An inertial separator according to claim 3, wherein the two swirl vane guide plates have the same curvature.

5. An inertial separator according to claim 1, wherein the swirl guide is a spiral guide formed to extend spirally along the outer wall of the gas outlet tube from the gas inlet end of the gas outlet tube towards the gas outlet end of the gas outlet tube.

6. An inertial separator according to claim 1, wherein the bottom of said sump portion is provided with a drain having a drain inlet communicating with said sump chamber and a drain outlet at said drain outlet.

7. The inertial separator according to claim 1, characterized in that said inlet section has opposite first and second ends, said inlet end being disposed at said first end, said flow director being mounted at said second end, said flow director comprising a flow director cone and a plurality of guide vanes mounted on said flow director cone, said gas-liquid-solid mixed medium entering said inlet section being dispersed by swirling flow through said guide vanes to the inner wall of said liquid collection section to separate gas from liquid, said gas being discharged through said gas outlet channel, said liquid, solid flowing out of said liquid outlet end by its own weight.

8. An inertial separator according to claim 1, wherein said liquid-collecting portion comprises a first portion and a second portion, said inlet portion and first portion being fixedly connected by means of a flange, said first portion and second portion being fixedly connected by means of a flange, the gas inlet end of said gas outlet conduit being located in said first portion, and said swirl guide plate being located in said second portion on a side thereof adjacent to said first portion.

9. An inertial separator according to claim 8, wherein the gas outlet channel comprises a gas outlet portion and the gas outlet tube is connected to one end of the gas outlet portion, the gas outlet portion having a gas delivery conduit therein, the gas outlet tube communicating with the gas delivery conduit, the gas outlet tube being arranged through the liquid collection chamber through the end of the second portion on the side remote from the first portion, the gas outlet portion being connected to the end of the second portion on the side remote from the first portion by a flange.

10. An inertial separator according to claim 8, wherein the liquid collection chambers in said first section are divergent in the direction of fluid flow and the liquid collection chambers in said second section are convergent in the direction of fluid flow.