CN220558613U

CN220558613U - Three-phase cyclone separation tower

Info

Publication number: CN220558613U
Application number: CN202322137504.5U
Authority: CN
Inventors: 朱润民; 许福
Original assignee: Zhejiang Manatee Ocean Engineering Co ltd
Current assignee: Zhejiang Manatee Ocean Engineering Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-03-08
Anticipated expiration: 2033-08-09

Abstract

The utility model relates to a three-phase cyclone separation tower, which comprises a separation tower main body, wherein a sand separation cone and a sand blocking plate are arranged on the inner side of the bottom of the separation tower main body, the big end of the sand separation cone is upwards arranged and fixedly connected with the inner side wall of the separation tower main body, and the small end of the sand separation cone is downwards arranged; the sand blocking plate is annular, the outer annular side wall of the sand blocking plate is fixedly connected with the inner side wall of the sand blocking cone, the inner annular side wall of the sand blocking plate is fixedly connected with the outer side wall of the small end of the sand blocking cone, and the sand blocking plate is provided with a backflow hole; be equipped with on the lateral wall of separator main part with the inside feed pipe, blast pipe, mud sand pipe and the drain pipe of intercommunication of self, the blast pipe sets up on the upper end lateral wall of separator main part, the drain pipe with separate sand awl section of thick bamboo and correspond to be arranged and be located hinder the sand board top, the mud sand pipe of arranging is located hinder the below of sand board, the blast pipe is located the top of feed pipe.

Description

Three-phase cyclone separation tower

Technical Field

The utility model relates to the technical field related to oil and gas exploitation, in particular to a three-phase cyclone separation tower.

Background

In oil and gas exploitation operation, a large amount of sediment is contained in the produced oil, and especially after the fracturing operation of natural gas and shale gas wells, the sediment content is higher. In order to achieve a relatively pure transport medium, a cyclone separator is used to separate the gas, liquid and solids (silt) prior to the transport step.

For example, chinese patent publication No. CN109054889a discloses a desanding separator. The centrifugal separation device comprises a base, a shell and centrifugal separation equipment, wherein the shell is arranged on the base, the centrifugal separation equipment is arranged in the shell, and a medium inlet communicated with the centrifugal separation equipment is formed in the upper end of the shell. The centrifugal separation device comprises a shell, and is characterized in that the inside of the shell is divided into a centrifugal primary partition, a gas-phase separation area, a liquid-phase separation area and a sand storage area, the lower end of the centrifugal separation device is connected with a flow guide pipe, a drain outlet is arranged at the bottom end of the shell, a communicating pipe is arranged in the shell, an air outlet at the upper end of the communicating pipe is arranged at the upper end of the gas-phase separation area, a liquid outlet at the lower end of the communicating pipe is arranged in the liquid-phase separation area, and a medium outlet is arranged at the upper position of the liquid outlet. Aiming at the technical scheme, when the liquid is fed from the medium inlet, the liquid in the liquid phase separation zone is easy to stir, so that mortar is turned up, and the pure medium with the separated outlet is polluted. The separation effect is difficult to stabilize, and there is room for improvement.

Disclosure of Invention

The utility model provides a three-phase cyclone separation tower for solving one or more of the technical problems in the prior art.

The technical scheme for solving the technical problems is as follows: the three-phase cyclone separation tower comprises a separation tower main body, wherein a sand separation cone and a sand blocking plate are arranged on the inner side of the bottom of the separation tower main body, the big end of the sand separation cone is upwards arranged and fixedly connected with the inner side wall of the separation tower main body, and the small end of the sand separation cone is downwards arranged; the sand blocking plate is annular, the outer annular side wall of the sand blocking plate is fixedly connected with the inner side wall of the sand blocking cone, the inner annular side wall of the sand blocking plate is fixedly connected with the outer side wall of the small end of the sand blocking cone, and the sand blocking plate is provided with a backflow hole;

be equipped with on the lateral wall of separator main part with the inside feed pipe, blast pipe, mud sand pipe and the drain pipe of intercommunication of self, the blast pipe sets up on the upper end lateral wall of separator main part, the drain pipe with separate sand awl section of thick bamboo and correspond to be arranged and be located hinder the sand board top, the mud sand pipe of arranging is located hinder the below of sand board, the blast pipe is located the top of feed pipe.

The beneficial effects of the utility model are as follows: according to the three-phase cyclone separation tower, the sand separation cone and the sand blocking plate are arranged, so that the flow channels of the upper region and the lower region of the sand separation cone are improved, solid-liquid separation is carried out on mortar entering from the material pipe through the sand separation cone and the sand blocking plate, the solid medium is prevented from flowing back to enter the position above the sand separation cone, the purity of the medium at the water drain pipe is further improved, and the liquid phase turbidity caused by liquid flow impact is also slowed down.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the number of the sand blocking plates is at least two, the at least two sand blocking plates are arranged at intervals up and down, and the backflow holes on the two adjacent sand blocking plates are arranged in a staggered mode.

The beneficial effects of adopting the further scheme are as follows: the at least two sand blocking plates are arranged with the backflow holes in a staggered mode, so that the backflow of the solid medium in the mortar can be further blocked.

Further, the below of hinder the sand board is equipped with the tank bottom head, the upper end of tank bottom head with separator main part inside wall fixed connection, the bottom of tank bottom head is the binding off structure, the mud-discharging sand pipe stretches into inside the separator main part and with tank bottom head bottom intercommunication.

The beneficial effects of adopting the further scheme are as follows: the solid medium in the mortar can be collected.

Further, the tank bottom head is bowl-shaped.

Further, the mud sand discharging pipe is an L-shaped bent pipe.

The beneficial effects of adopting the further scheme are as follows: is convenient to be communicated with the bottom end socket of the tank and the outside of the main body of the separation tower.

Further, the outer side wall of the separation tower main body is also provided with a mud sand removing pipe, and the mud sand removing pipe faces to one side deviating from the mud sand discharging pipe and is communicated with the bottom of the mud sand discharging pipe.

The beneficial effects of adopting the further scheme are as follows: when the mud and sand removing pipe is blocked, the mud and sand removing pipe can be used for blocking.

Further, a liquid level meter is further arranged on the outer side wall of the separation tower main body, the upper end of the liquid level meter is communicated with the upper portion of the sand separation cone, and the lower end of the liquid level meter is communicated with the lower portion of the sand blocking plate.

The beneficial effects of adopting the further scheme are as follows: the liquid level meter is arranged, so that the liquid level condition of the sand separation cone can be monitored.

Further, the blast pipe is located the inside one end of separator main part is connected with the mist catcher, the mist catcher lower extreme is connected with the guide post, the guide post with the coaxial arrangement of separator main part, the guide post be solid structure or the guide post be will the mist catcher with the inside hollow structure who communicates of separator main part, the guide post pass through the support frame with the inside wall fixed connection of separator main part.

The beneficial effects of adopting the further scheme are as follows: by arranging the mist catcher and the guide column, water drops in the gas can be captured and then flow into the separating tower main body along the guide column. And the mist catcher and the guide column can be arranged at the center of the main body of the separation tower, so that the shape of the incoming material liquid flow is more suitable for centrifugal separation.

Further, the separation tower main body is also connected with a safety valve, and the safety valve is positioned on the side wall of the upper end of the separation tower main body.

The beneficial effects of adopting the further scheme are as follows: the safety valve is beneficial to the safe operation of the three-phase cyclone separation tower.

Further, the feeding pipe is obliquely downwards arranged along the tangential direction of the outer side wall of the separation tower main body, a feeding hole communicated with the feeding pipe is formed in the outer side wall of the separation tower main body, and the size of the feeding hole is smaller than the inner diameter of the feeding pipe; one side wall of the feed inlet is connected with the feed pipe, and the other side wall of the feed inlet is arranged at intervals with the feed pipe; the feeding pipe is internally provided with a guide plate which is obliquely arranged, one end of the guide plate is fixedly connected with the inner side wall of the feeding pipe, and the other end of the guide plate is connected with the other side wall of the feeding port, so that a conical feeding channel is formed between the guide plate and the inner side wall of the feeding pipe.

The beneficial effects of adopting the further scheme are as follows: the incoming material medium enters the separating tower body downwards along the tangential direction, rotates downwards along the side wall of the separating tower body, and the heavier substances are downwards and outwards collected through centrifugal force and gravity to gradually form the layered fluid.

Drawings

FIG. 1 is a schematic view of the internal structure of a three-phase cyclone separator of the present utility model;

FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of B-B of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the structure of C-C in FIG. 1.

In the drawings, the list of components represented by the various numbers is as follows:

1. a base; 2. a silt removing pipe; 3. a support cylinder; 4. a tank bottom head; 5. a liquid level meter lower joint; 6. a first-stage sand blocking plate; 7. a second-stage sand blocking plate; 8. a pressure-bearing tank body; 9. a sand separating cone; 10. a liquid level meter upper joint; 11. a flow guiding column; 12. a support frame; 13. an exhaust pipe; 14. a mist catcher; 15. a safety valve joint; 16. a feeding pipe; 17. a drain pipe; 18. a mud and sand discharging pipe; 19. a deflector; 20. a first return orifice; 21. a second return orifice; 22. a material inlet; 23. a tapered feed channel.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

As shown in fig. 1 to 4, the three-phase cyclone separation tower of the embodiment comprises a separation tower main body, wherein a sand separation cone cylinder 9 and a sand blocking plate are arranged on the inner side of the bottom of the separation tower main body, the big end of the sand separation cone cylinder 9 is upwards arranged and fixedly connected with the inner side wall of the separation tower main body, and the small end of the sand separation cone cylinder 9 is downwards arranged; the sand blocking plate is annular, the outer annular side wall of the sand blocking plate is fixedly connected with the inner side wall of the sand blocking cone 9, the inner annular side wall of the sand blocking plate is fixedly connected with the outer side wall of the small end of the sand blocking cone 9, and the sand blocking plate is provided with a backflow hole; the utility model discloses a separating tower, including separating tower main part, including separating tower main part, separating tower, and separating tower, wherein be equipped with on the lateral wall of separating tower main part with the inside feed pipe 16, blast pipe 13, mud-and sand-discharging pipe 18 and drain pipe 17 that communicate of self, blast pipe 13 sets up on the upper end lateral wall of separating tower main part, drain pipe 17 with separate sand cone 9 corresponds to be arranged and be located the sand blocking plate top, mud-and sand-discharging pipe 18 is located the below of sand blocking plate, blast pipe 13 is located the top of feed pipe 16.

Specifically, as shown in fig. 1, the separation tower main body comprises a pressure-bearing tank body 8, a support cylinder 3 and a base 1, wherein the pressure-bearing tank body 8 is fixed at the upper end of the support cylinder 3 to form a pressure-sealed separation tower main body, and the base 1 is fixed around the bottom of the support cylinder 3. The sand separation cone 9 is arranged at the lower end of the pressure-bearing tank body 8, and the sand blocking plate is also arranged at the bottom of the pressure-bearing tank body 8.

In a preferred embodiment of this embodiment, as shown in fig. 1, at least two sand-blocking plates are arranged at intervals up and down, and the backflow holes on two adjacent sand-blocking plates are arranged in a staggered manner. The at least two sand blocking plates are arranged with the backflow holes in a staggered mode, so that the backflow of the solid medium in the mortar can be further blocked.

Specifically, as shown in fig. 1, the two sand-blocking plates in this embodiment are a first-stage sand-blocking plate 6 and a second-stage sand-blocking plate 7, the first-stage sand-blocking plate 6 is located below the second-stage sand-blocking plate 7, a first backflow hole 20 is formed in the first-stage sand-blocking plate 6, a second backflow hole 21 is formed in the second-stage sand-blocking plate 7, the first backflow holes 20 are uniformly distributed along the circumferential direction of the first-stage sand-blocking plate 6, the second backflow holes 21 are uniformly distributed along the circumferential direction of the second-stage sand-blocking plate 7, and the first backflow holes 20 and the second backflow holes 21 are arranged in a staggered manner so as to slow down the flow velocity of liquid flow and promote solid-liquid precipitation. When necessary, the first-stage sand-blocking plate and the second-stage sand-blocking plate can be respectively covered with filter screens to adapt to solidified particles with different sizes.

As shown in fig. 1, a tank bottom head 4 is arranged below the sand blocking plate in this embodiment, the upper end of the tank bottom head 4 is fixedly connected with the inner side wall of the main body of the separation tower, the bottom of the tank bottom head 4 is of a closing-in structure, and a mud and sand discharging pipe 18 extends into the main body of the separation tower and is communicated with the bottom of the tank bottom head 4. The solid medium in the mortar can be collected. Specifically, the tank bottom head 4 is mounted on the inner side wall of the supporting cylinder 3.

As shown in fig. 1, the tank bottom head 4 of the present embodiment is bowl-shaped. The mud-sand discharging pipe 18 is an L-shaped bent pipe and is convenient to be communicated with the tank bottom head 4 and the outside of the main body of the separation tower.

As shown in fig. 1, the outer side wall of the main body of the separation tower of this embodiment is further provided with a silt removing pipe 2, and the silt removing pipe 2 faces to a side facing away from the silt removing pipe 18 and is communicated with the bottom of the silt removing pipe 18. When the mud and sand removing pipe is blocked, the mud and sand removing pipe can be utilized to carry out blocking, and the purging operation can be convenient when equipment overhauls and removes the silts.

The outer side wall of the separation tower main body of the embodiment is also provided with a liquid level meter, the upper end of the liquid level meter is communicated with the upper part of the sand separation cone 9, and the lower end of the liquid level meter is communicated with the lower part of the sand blocking plate. The liquid level meter is arranged, so that the liquid level condition of the sand separation cone can be monitored. Specifically, the outer side wall of the main body of the separation tower may be provided with an upper joint 10 of the liquid level gauge and a lower joint 5 of the liquid level gauge, and the liquid level gauge is connected with the upper joint 10 of the liquid level gauge and the lower joint 5 of the liquid level gauge respectively.

As shown in fig. 1, one end of the exhaust pipe 13 located inside the separation tower body in this embodiment is connected with a mist catcher 14, the lower end of the mist catcher 14 is connected with a flow guiding column 11, the flow guiding column 11 is coaxially arranged with the separation tower body, the flow guiding column 11 is of a solid structure or of a hollow structure which communicates the mist catcher 14 with the inside of the separation tower body, and the flow guiding column 11 is fixedly connected with the inner side wall of the separation tower body through a supporting frame 12. By arranging the mist catcher and the guide column, water drops in the gas can be captured and then flow into the separating tower main body along the guide column. And the mist catcher and the guide column can be arranged at the center of the main body of the separation tower, so that the shape of the incoming material liquid flow is more suitable for centrifugal separation.

As shown in fig. 1, the separation tower body of the present embodiment is further connected with a safety valve, and the safety valve is located on the upper end sidewall of the separation tower body. The safety valve is beneficial to the safe operation of the three-phase cyclone separation tower. The outer side wall of the separation tower main body is provided with a safety valve connector 15, and the safety valve is arranged on the safety valve connector 15.

As shown in fig. 1 and 2, the feed pipe 16 of the present embodiment is disposed obliquely downward along a tangential direction of an outer sidewall of the separation tower body, and a feed port 22 communicating with the feed pipe 16 is formed on the outer sidewall of the separation tower body, and a size of the feed port 22 is smaller than an inner diameter of the feed pipe 16; one side wall of the feed inlet 22 is connected with the feed pipe 16, and the other side wall of the feed inlet 22 is arranged at intervals with the feed pipe 16; the material inlet pipe 16 is further internally provided with a deflector 19 which is obliquely arranged, one end of the deflector 19 is fixedly connected with the inner side wall of the material inlet pipe 16, and the other end of the deflector 19 is connected with the other side wall of the material inlet 22, so that the deflector 19 and the inner side wall of the material inlet pipe 16 form a conical feeding channel 23. The incoming material medium enters the separating tower body downwards along the tangential direction, rotates downwards along the side wall of the separating tower body, and the heavier substances are downwards and outwards collected through centrifugal force and gravity to gradually form the layered fluid.

The operation flow of the three-phase cyclone separation tower in this embodiment is that the slurry incoming material is tangentially flushed into the pressure-bearing tank body through the material-receiving pipe, the slurry is rotated downwards along the pressure-bearing tank body, heavier mediums are collected downwards and outwards through centrifugal force and gravity, the slurry is gradually formed into fluid, the gas in the slurry is upwards, the wet gas is adsorbed through the mist catcher, the gas is discharged through the exhaust pipe, and the liquid is downwards converged into the main liquid flow through the guide column. The liquid phase fluid of the slurry rotates downwards along the inner wall of the pressure-bearing tank body, falls into the tank bottom head through the sand separation cone barrel to precipitate, the liquid phase fluid precipitates at the tank bottom head to form a solid-liquid interface, the solid medium is discharged through the mud discharging sand pipe, the liquid medium is decelerated and stably precipitated upwards through the first-stage sand blocking plate and the second-stage sand blocking plate, and along with the upward liquid level, when the liquid level is higher than the pipe orifice of the drain pipe, pure liquid is discharged from the drain pipe.

According to the three-phase cyclone separation tower, through the arrangement of the sand separation cone and the sand blocking plate, the flow channel of the upper and lower areas of the sand separation cone is improved, so that mortar entering from the material pipe is subjected to solid-liquid separation through the sand separation cone and the sand blocking plate, solid medium is prevented from flowing back to enter the upper side of the sand separation cone, the purity of medium at the drain pipe is further improved, and liquid phase turbidity brought by liquid flow impact is also slowed down.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. The three-phase cyclone separation tower is characterized by comprising a separation tower main body, wherein a sand separation cone and a sand blocking plate are arranged on the inner side of the bottom of the separation tower main body, the big end of the sand separation cone is upwards arranged and fixedly connected with the inner side wall of the separation tower main body, and the small end of the sand separation cone is downwards arranged; the sand blocking plate is annular, the outer annular side wall of the sand blocking plate is fixedly connected with the inner side wall of the sand blocking cone, the inner annular side wall of the sand blocking plate is fixedly connected with the outer side wall of the small end of the sand blocking cone, and the sand blocking plate is provided with a backflow hole;

2. The three-phase cyclone separation tower according to claim 1, wherein the number of the sand blocking plates is at least two, the at least two sand blocking plates are arranged at intervals up and down, and the backflow holes on the adjacent two sand blocking plates are arranged in a staggered manner.

3. The three-phase cyclone separation tower according to claim 1, wherein a tank bottom head is arranged below the sand blocking plate, the upper end of the tank bottom head is fixedly connected with the inner side wall of the main body of the separation tower, the bottom of the tank bottom head is of a closing-in structure, and the mud and sand discharging pipe extends into the main body of the separation tower and is communicated with the bottom of the tank bottom head.

4. A three-phase cyclonic separating tower as claimed in claim 3, wherein the tank bottom head is bowl-shaped.

5. A three-phase cyclone separator according to claim 3, wherein the sludge discharge sand pipe is an L-shaped bent pipe.

6. The three-phase cyclone separation tower according to claim 1, wherein a mud-sand removing pipe is further arranged on the outer side wall of the separation tower body, and the mud-sand removing pipe faces to one side away from the mud-sand discharging pipe and is communicated with the bottom of the mud-sand discharging pipe.

7. The three-phase cyclone separation tower according to claim 1, wherein a liquid level meter is further arranged on the outer side wall of the separation tower body, the upper end of the liquid level meter is communicated with the upper portion of the sand separation cone, and the lower end of the liquid level meter is communicated with the lower portion of the sand blocking plate.

8. The three-phase cyclone separation tower according to claim 1, wherein one end of the exhaust pipe, which is positioned in the separation tower body, is connected with a mist catcher, the lower end of the mist catcher is connected with a flow guide column, the flow guide column and the separation tower body are coaxially arranged, the flow guide column is of a solid structure or of a hollow structure which is used for communicating the mist catcher with the inside of the separation tower body, and the flow guide column is fixedly connected with the inner side wall of the separation tower body through a support frame.

9. The three-phase cyclone separator according to claim 1, wherein a safety valve is further connected to the separator body, and the safety valve is located on an upper end side wall of the separator body.

10. The three-phase cyclone separation tower according to claim 1, wherein the feed pipe is arranged obliquely downwards along the tangential direction of the outer side wall of the separation tower body, the outer side wall of the separation tower body is provided with a feed port communicated with the feed pipe, and the size of the feed port is smaller than the inner diameter of the feed pipe; one side wall of the feed inlet is connected with the feed pipe, and the other side wall of the feed inlet is arranged at intervals with the feed pipe; the feeding pipe is internally provided with a guide plate which is obliquely arranged, one end of the guide plate is fixedly connected with the inner side wall of the feeding pipe, and the other end of the guide plate is connected with the other side wall of the feeding port, so that a conical feeding channel is formed between the guide plate and the inner side wall of the feeding pipe.