CN219880238U - Efficient cyclone separator for oil and gas field - Google Patents

Abstract

The utility model discloses a high-efficiency cyclone separator for an oil-gas field, which relates to the field of separators and comprises a shell, wherein a gas-liquid separation mechanism is rotatably arranged in the shell, a separation cavity is arranged in the gas-liquid separation mechanism, a feeding pipe, an exhaust pipe and a liquid discharge pipe which are communicated with the separation cavity are arranged on the shell, and a feeding rectifying cavity is arranged between the feeding pipe and the separation cavity. The utility model provides a high-efficiency cyclone separator for an oil-gas field, which is characterized in that a feeding rectifying cavity is arranged in a shell and is communicated with a feeding pipe, namely, when raw materials are added into a gas-liquid separation mechanism, the raw materials enter the feeding rectifying cavity first, the raw materials enter the feeding rectifying cavity are uniformly divided into a plurality of strands under the action of the feeding rectifying cavity, and the plurality of strands of raw materials are synchronously added into the gas-liquid separation mechanism to finish uniform addition of the raw materials.

Description

Efficient cyclone separator for oil and gas field

Technical Field

The utility model relates to the field of separators, in particular to a high-efficiency cyclone separator for an oil-gas field.

Background

It is known that in the development and production of oil and gas fields, an oil-gas (oil, i.e. crude oil, condensate oil, etc.; gas, mainly natural gas) separator is a common and indispensable separation device, and is mainly used for separating a crude oil and natural gas mixture for a subsequent series of treatments. According to different separation principles, the oil-gas separator of the oil-gas field mostly adopts two forms of a gravity separator and a centrifugal separator.

If the authority bulletin number is CN 216573641U, the authority date is 2022.05.24, the name is a gas-liquid cyclone separator for petroleum exploitation, the gas-liquid cyclone separator is provided with a closed cover, the closed cover is positioned at the top of the gas-liquid cyclone separator, two sides of the closed cover are fixedly connected with matching blocks, the top of each matching block is fixedly connected with a clamping block, the front side and the rear side of each clamping block are fixedly connected with positioning grooves, and two sides of the gas-liquid cyclone separator are fixedly connected with fixing blocks. According to the utility model, through the matched use of the gas-liquid cyclone separator, the sealing cover, the matching block, the fixed block, the positioning component and the control component, a user pushes the control block to one side close to the fixed block, the positioning rod is separated from the inside of the clamping groove through the matching between the control block and the control component, and then the sealing cover can be removed in an aligned manner, so that the inside of the gas-liquid cyclone separator is overhauled, the problems that the existing gas-liquid cyclone separator is difficult to overhaul, and the workload of the user is improved are solved.

The disadvantage of the prior art including the above patent is that when adding and separating gas-liquid mixed raw materials (hereinafter referred to as raw materials), the conventional cyclone separator adopts a conveying pump and a feeding pipe to directly add the raw materials into the cavity inside the shell, but the adding mode can generate the situation that local raw materials are too much or too little, obviously, uneven raw material addition can cause uneven raw material separation, thereby reducing the separation effect of the raw materials.

Disclosure of Invention

The utility model aims to provide a high-efficiency cyclone separator for an oil-gas field, which aims to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides an oil gas field is with high-efficient cyclone, includes the casing, the pivoted is provided with gas-liquid separation mechanism in the casing, be provided with the separation chamber in the gas-liquid separation mechanism, be provided with on the casing with inlet pipe, blast pipe and the fluid-discharge tube of separation chamber intercommunication, the inlet pipe with arrange the feeding rectification cavity between the separation chamber.

The efficient cyclone separator for the oil and gas field is characterized in that the feeding rectifying cavity is in a circular ring shape with a hollow inside, a hollow area inside the feeding rectifying cavity is the feeding rectifying cavity, and a through hole communicated with the gas-liquid separation mechanism is formed in the feeding rectifying cavity.

The high-efficiency cyclone separator for the oil-gas field is characterized in that the through holes are annular holes.

The efficient cyclone separator for the oil-gas field is characterized in that the feeding rectifying cavity divides the inner space of the shell into an upper cavity and a lower cavity, the exhaust pipe is communicated with the upper cavity, and the liquid discharge pipe is communicated with the lower cavity.

The efficient cyclone separator for the oil-gas field comprises a middle barrel and a rotary barrel, wherein the rotary barrel is rotationally arranged on a feeding rectifying cavity, the middle barrel is fixedly connected to the feeding rectifying cavity, the middle barrel is sleeved on the outer side of the rotary barrel, an exhaust hole is formed in the rotary barrel, a liquid discharge hole is formed in the middle barrel, a cyclone separating cavity is formed in a cavity between the rotary barrel and the hollow cavity, and a cyclone is arranged on the rotary barrel.

The high-efficiency cyclone separator for the oil-gas field is characterized in that the cyclone separator is a spiral blade, the exhaust hole is close to the bottom end of the rotary drum, and the liquid discharge hole is close to the bottom end of the middle drum.

The high-efficiency cyclone separator for the oil-gas field is characterized in that the exhaust holes are circular seam holes.

The high-efficiency cyclone separator for the oil-gas field is characterized in that the liquid discharge holes are circular seam holes.

The high-efficiency cyclone separator for the oil-gas field is characterized in that an annular frame body is fixedly connected in the lower cavity body, and a liquid level stabilizer is arranged on the annular frame body.

The high-efficiency cyclone separator for the oil-gas field is characterized in that the liquid level stabilizer is in a inverted barrel shape.

In the technical scheme, the high-efficiency cyclone separator for the oil and gas field is provided with the feeding rectifying cavity in the shell, and the feeding rectifying cavity is communicated with the feeding pipe, namely, the raw materials firstly enter the feeding rectifying cavity when the raw materials are added into the gas-liquid separation mechanism, the raw materials entering the feeding rectifying cavity are uniformly divided into a plurality of strands under the action of the feeding rectifying cavity, and the plurality of strands of raw materials are synchronously added into the gas-liquid separation mechanism to finish uniform addition of the raw materials.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic side view of an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure at a-a in FIG. 2.

Reference numerals illustrate:

1. a housing; 2. a feed pipe; 3. an exhaust pipe; 4. a liquid discharge pipe; 5. a feed rectification cavity; 6. a through hole; 7. an upper cavity; 8. a lower cavity; 9. a middle cylinder; 10. a rotating drum; 11. an exhaust hole; 12. a liquid discharge hole; 13. a cyclonic separating chamber; 14. a spin-up device; 15. an annular frame body; 16. a liquid level stabilizer.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-3, an embodiment of the utility model provides a high-efficiency cyclone separator for an oil-gas field, which comprises a shell 1, wherein a gas-liquid separation mechanism is rotatably arranged in the shell 1, a separation cavity is arranged in the gas-liquid separation mechanism, a feed pipe 2, an exhaust pipe 3 and a liquid discharge pipe 4 which are communicated with the separation cavity are arranged on the shell 1, and a feed rectifying cavity 5 is arranged between the feed pipe 2 and the separation cavity.

Specifically, the shell 1 is of a hollow structure, the exhaust pipe 3 is arranged at the top end of the shell 1, the liquid discharge pipe 4 is arranged at the bottom end of the shell 1, the outside of the shell 1 can be provided with supporting legs to be fixed in an operation area, a separation cavity is arranged in the gas-liquid separation mechanism, raw materials are added into the separation cavity, the separation cavity can centrifugally separate the raw materials in the separation cavity when rotating, the separation cavity is rotationally arranged in the shell 1, the feed pipe 2 is arranged on the side wall of the shell 1 and near the top end and is communicated with the separation cavity, the separation cavity is driven to rotate at a high speed by a driving component (preferably a motor), then the raw materials are conveyed to the inside of the separation cavity through the feed pipe 2 by a conveying pump, the bottom end of the separation cavity is provided with a discharge hole, the top of the separation cavity is communicated with the exhaust pipe 3 by a channel, and the raw materials are subjected to the dual functions of centrifugal force and self gravity provided by the separation cavity, the raw material is spirally rotated along the inner wall of the separation cavity, crude oil with higher density is closely attached to the inner wall of the separation cavity to perform downward spiral rotation, finally the crude oil is discharged from a discharge hole at the bottom of the separation cavity, then the crude oil is discharged from a liquid discharge pipe 4 to a shell 1, natural gas with lower density is vertically spirally rotated upwards in the central area of the separation cavity and finally discharged from an exhaust pipe 3 at the top end of the shell 1, which is not described in detail in the prior art, one of the core innovation points of the utility model is that a feeding rectifying cavity 5 is additionally arranged between a feeding pipe 2 and the separation cavity, the feeding rectifying cavity can be in a square ring shape with a hollow inside, a plurality of through holes 6 are uniformly formed on the bottom wall of the feeding rectifying cavity, so that the raw material in the feeding rectifying cavity 5 can flow into the separation cavity through the through holes 6, namely, when the raw material is added into the separation cavity, the raw material firstly enters the feeding rectifying cavity 5, and because a plurality of through holes 6 are uniformly formed in the feeding rectifying cavity 5, raw materials entering the feeding rectifying cavity 5 can be uniformly divided into a plurality of strands under the action of the through holes 6, and the raw materials with the plurality of strands can be synchronously added into the separating cavity so as to finish uniform and synchronous addition of the raw materials.

Preferably, the feeding rectification cavity 5 is hollow circular, the hollow area inside the feeding rectification cavity is the feeding rectification cavity, the through hole 6 communicated with the gas-liquid separation mechanism is formed in the feeding rectification cavity 5, specifically, two circular plates are axially and alternately arranged inside the circular ring-shaped casing 1, the space between the two circular plates is the feeding rectification cavity, the separation cavity and the exhaust pipe 3 can be communicated through round holes formed in the central position of the two circular plates, a plurality of through holes 6 are uniformly formed in the circular plate at the bottom side of the feeding rectification cavity 5, the circular ring-shaped casing is provided with a larger feeding rectification space compared with the square ring-shaped casing, and the side wall is smoother, so that raw materials are added more smoothly.

Preferably, the through holes 6 are annular holes, and in particular, the annular holes, that is, the through holes 6 are connected into a whole, and at the moment, the raw materials flowing out of the feeding rectifying cavity are annular water curtain-shaped, so that the raw materials can be ensured to be uniformly added and have the largest conducting area, and the adding efficiency of the raw materials can be improved.

Further, the feeding rectification cavity 5 divides the inner space of the shell 1 into an upper cavity 7 and a lower cavity 8, the exhaust pipe 3 is communicated with the upper cavity 7, the liquid discharge pipe 4 is communicated with the lower cavity 8, and the lower cavity 8 provides a delay space for discharging crude oil, so that the crude oil continuously rotates in the lower cavity 8 for a period of time to further separate natural gas in the crude oil.

Preferably, the gas-liquid separation mechanism comprises a middle drum 9 and a drum 10, the drum 10 is rotatably arranged on the feeding rectifying cavity 5, the middle drum 9 is fixedly connected on the feeding rectifying cavity 5, the middle drum 9 is sleeved on the outer side of the drum 10, the drum 10 is provided with an exhaust hole 11, the middle drum 9 is provided with a liquid discharge hole 12, a cavity between the drum 10 and the hollow is a cyclone separation cavity 13, the drum 10 is provided with a cyclone 14, specifically, a circular plate penetrating through the circular hole (namely, the outer wall of the drum 10 can rotate in the circular hole) of the top side in a dynamic sealing manner at the top of the drum 10, the inner space of the circular plate is in a conducting state with the exhaust pipe 3, the cyclone 14 can be a propeller structure formed by a plurality of fan blades, is fixedly connected on the outer side of the drum 10 and is vertically arranged, the radial dimension of the rotor is matched with the dimension of the cyclone separation cavity 13, the cyclone 14 is used for driving the raw materials in the cyclone separating cavity 13 to rotate, the exhaust hole 11 is not less than one, the liquid discharge hole 12 is not less than one, the driving component is used for driving the rotary drum 10 to rotate, the driving component is started to drive the rotary drum 10 to rotate, thereby driving the cyclone 14 on the outer surface to synchronously rotate, meanwhile, the raw materials are conveyed from the feeding pipe 2 to the inside of the feeding rectifying cavity 5 through the conveying pump and then flow into the inside of the middle drum 9 through the through hole 6, namely enter the cyclone separating cavity 13, the raw materials synchronously move downwards in a spiral way under the action of the cyclone 14 and the gravity of the raw materials, because the density of the raw materials is higher, the raw materials can be close to the inner wall of the middle drum 9 under the action of the centrifugal force, and the natural gas density is lower, so the natural gas can be close to the outer wall of the rotary drum 10, because of the tendency of internal rotation, natural gas enters the drum 10 from the exhaust hole 11, is discharged to the outside of the shell 1 along the inner wall of the drum 10, the upper cavity 7 and the exhaust pipe 3 and is uniformly collected, crude oil has the tendency of external rotation, and the crude oil flows into the lower cavity 8 from the liquid discharge hole 12 and is discharged to the outside of the shell 1 from the liquid discharge pipe 4 to be uniformly collected.

Preferably, the cyclone 14 is a helical blade, the exhaust hole 11 is close to the bottom end of the drum 10, the liquid discharge hole 12 is close to the bottom end of the middle drum 9, so the helical blade has a conveying effect on the raw materials, so crude oil and natural gas in the raw materials do helical motion downwards in the cyclone separation cavity 13 under the action of self gravity and the helical blade, when the natural gas descends to the same height of the exhaust hole 11 under the conveying effect of the helical blade, because the natural gas has a tendency of internal rotation, the natural gas enters the drum 10 from the exhaust hole 11 and is discharged to the outside of the shell 1 along the inner wall of the drum 10, the upper cavity 7 and the exhaust pipe 3 and is uniformly collected, and when the crude oil descends to the same height of the liquid discharge hole 12 under the conveying effect of the helical blade, because the crude oil has a tendency of external rotation, the crude oil flows into the lower cavity 8 from the liquid discharge hole 12 and is discharged to the outside of the shell 1 through the liquid discharge pipe 4.

Preferably, the exhaust hole 11 is a circular seam hole, specifically, the circular seam exhaust hole 11 is arc-shaped, and the side wall of the middle cylinder 9 is spirally arranged, so that the spiral direction of the exhaust hole 11 is the same as the spiral direction when the natural gas is separated, the exhaust of the natural gas is more facilitated, and the circular seam exhaust hole 11 has a larger conduction area compared with a plurality of independent holes, thereby accelerating the guiding-out efficiency of the natural gas.

Preferably, the drain hole 12 is a circular seam hole, specifically, the circular seam drain hole 12, that is, the drain hole 12 is arc-shaped, and is spirally arranged on the side wall of the middle cylinder 9, so that the spiral direction of the drain hole 12 is the same as the spiral direction when crude oil is separated, the drain of the crude oil is more facilitated, and the circular seam drain hole 12 has a larger conducting area compared with a plurality of independent holes, thereby accelerating the export efficiency of the crude oil.

Since the raw materials in the cyclone separating cavity 13 do spiral motion, the crude oil from the liquid discharging hole 12 still does spiral motion in the lower cavity 8 under the action of inertia, so that the liquid level of the crude oil liquid phase space in the lower cavity 8 is not a relatively horizontal liquid level, but is a reverse conical rotating liquid level, the distance from the center of the reverse conical rotating liquid level to the bottom of the lower cavity 8 is reduced, even the distance is the same as the top of the liquid discharging pipe 4, thereby losing the liquid sealing effect, possibly causing natural gas to be directly discharged from the liquid discharging pipe 4 and further affecting the separating effect, further, an annular frame body 15 is fixedly connected in the lower cavity 8, a liquid level stabilizer 16 is arranged on the annular frame body 15, the liquid level stabilizer 16 can be an inverted square barrel, and the square barrel is coaxially arranged with the shell 1 and fixedly connected to the inner wall of the shell through the annular frame body 15, the square barrel is positioned below the middle barrel 9, the annular frame 15 comprises an inner ring and an outer ring, the inner ring is fixedly connected with the outer surface of the liquid level stabilizer 16, the outer ring is fixedly connected with the inner surface of the shell 1, a cross bar support is arranged between the outer ring and the inner ring, the rest part between the outer ring and the inner ring conducts crude oil so that the crude oil can flow out from the inner ring and between the outer ring, the effect of the arrangement is that the liquid level stabilizer 16 is inverted in the lower cavity 8, the vertical height of the central position of the lower cavity 8 is improved because the liquid level stabilizer 16 is positioned at the central position of the lower cavity 8, natural gas is blocked when flowing to the top of the liquid level stabilizer 16 because the natural gas is spirally moved at the central position of the inner part of the lower cavity 8, the discharge of the natural gas from the liquid discharge pipe 4 is greatly reduced or even avoided, and the crude oil is tightly adhered to the inner wall of the lower cavity 8 to spirally move, the crude oil normally flows down from the gap between the inner ring and the outer ring at the edge position and is discharged from the discharge pipe 4.

Preferably, the liquid surface stabilizer 16 is in a shape of a round drum, that is, the top of the liquid surface stabilizer 16 is in a shape of a circular plate, so that the blocking area can be increased, and the blocking effect can be improved.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. The utility model provides an oil gas field is with high-efficient cyclone, includes the casing, the pivoted is provided with gas-liquid separation mechanism in the casing, be provided with the separation chamber in the gas-liquid separation mechanism, be provided with on the casing with inlet pipe, blast pipe and the fluid-discharge tube of separation chamber intercommunication, its characterized in that, the inlet pipe with arrange the feeding rectification cavity between the separation chamber.

2. The efficient cyclone separator for oil and gas fields according to claim 1, wherein the feeding rectifying cavity is in a hollow circular ring shape, a hollow area inside the feeding rectifying cavity is the feeding rectifying cavity, and a through hole communicated with the gas-liquid separation mechanism is formed in the feeding rectifying cavity.

3. A high efficiency cyclone separator for oil and gas fields according to claim 2, wherein said through holes are annular.

4. The high efficiency cyclone separator for oil and gas field according to claim 2, wherein the feed rectifying cavity divides the inner space of the housing into an upper cavity and a lower cavity, the exhaust pipe is communicated with the upper cavity, and the drain pipe is communicated with the lower cavity.

5. The efficient cyclone separator for oil and gas fields according to claim 2, wherein the gas-liquid separation mechanism comprises a middle cylinder and a rotary cylinder, the rotary cylinder is rotatably arranged on the feeding rectifying cavity, the middle cylinder is fixedly connected on the feeding rectifying cavity, the middle cylinder is sleeved on the outer side of the rotary cylinder, an exhaust hole is formed in the rotary cylinder, a liquid discharge hole is formed in the middle cylinder, a cyclone separation cavity is arranged between the rotary cylinder and the hollow space, and a cyclone is arranged on the rotary cylinder.

6. The high efficiency cyclone separator for oil and gas fields as set forth in claim 5, wherein said cyclone is a helical blade, said vent is near the bottom end of said drum, and said drain is near the bottom end of said middle drum.

7. The high efficiency cyclone separator for oil and gas field according to claim 5, wherein the exhaust hole is a circular slit hole.

8. The high efficiency cyclone separator for oil and gas fields as claimed in claim 5, wherein the drain holes are circular slit holes.

9. The high-efficiency cyclone separator for oil and gas fields according to claim 4, wherein the lower cavity is fixedly connected with an annular frame body, and a liquid level stabilizer is arranged on the annular frame body.

10. A high efficiency cyclone separator for oil and gas fields as claimed in claim 9, wherein said liquid level stabilizer is in the shape of a round barrel.