CN220551798U

CN220551798U - Hydrops separation buffer and measurement pressure-taking pipeline

Info

Publication number: CN220551798U
Application number: CN202322224162.0U
Authority: CN
Inventors: 刘学生; 邱树彬; 张学强; 巩艳; 许兰; 刘世雄
Original assignee: China Petroleum and Chemical Corp; Sinopec Southwest Oil and Gas Co
Current assignee: China Petroleum and Chemical Corp; Sinopec Southwest Oil and Gas Co
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-03-01
Anticipated expiration: 2033-08-17

Abstract

The utility model relates to the field of natural gas gathering and transportation metering devices, in particular to a hydrops separation buffer device and a metering and pressure taking pipeline. Realize buffering and impurity filtering to the conveying medium, and separation buffer core can be with buffer vessel separation, make things convenient for equipment, maintenance of device and take out of impurity, this measurement is got and is pressed the pipeline and can be avoided liquid or solid impurity to influence metering device's degree of accuracy through above-mentioned device.

Description

Hydrops separation buffer and measurement pressure-taking pipeline

Technical Field

The utility model relates to the field of natural gas gathering and transportation metering devices, in particular to a hydrops separation buffer device and a metering and pressure-taking pipeline.

Background

In the natural gas gathering and transportation metering site or wellhead metering, natural gas is required to be guided into a metering device position through a metering pressure-taking pipeline for metering detection, however, the natural gas generally contains stratum water and solid impurities, a liquid column or impurity accumulation is easily formed in a pressure-guiding pipe of a metering instrument, a pressure-taking hole is blocked, the metering accuracy of the natural gas is seriously influenced, a pollution discharge ball valve is generally arranged on the metering pressure-taking pipeline in front of the metering device at present, and part of liquid and impurities in the natural gas are discharged by opening the pollution discharge ball valve.

However, because the pressure measuring pipeline is a pressure pipeline, when the blowdown ball valve is opened, natural gas splashing occurs, so that the surrounding environment is polluted, and the influence of liquid and impurities on the pressure guide pipe of the metering instrument cannot be avoided by only discharging part of the liquid and the impurities.

Therefore, a technical scheme is needed at present to solve the technical problem that the existing natural gas metering and pressure taking is influenced by formation water and solid impurities.

Disclosure of Invention

The utility model aims at: aiming at the technical problem that the existing natural gas metering pressure is influenced by formation water and solid impurities, the utility model provides a hydrops separation buffer device and a metering pressure-taking pipeline.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a hydrops separation buffer, includes buffer container and separation buffer core, set up the buffer chamber in the buffer container, separation buffer core one end is located in the buffer chamber, the other end stretches out the buffer chamber, separation buffer core with buffer container can dismantle and be connected, separation buffer core includes the water conservancy diversion passageway, separation buffer core sets up the intercommunication the water conservancy diversion passageway with a plurality of dashpot of buffer chamber, the buffer chamber sets up the through-hole that link up the external space, the dashpot with through-hole dislocation set.

According to the hydrops separation buffer device, the buffer grooves and the through holes are arranged in a staggered manner, so that the direction of a conveying medium passing through the buffer container is changed in the buffer chamber, the buffer of the conveying medium is realized, meanwhile, liquid and solid impurities in the conveying medium can be settled under the action of gravity, the liquid and solid impurities in the conveying medium output by the device are reduced, the impurity filtering effect on the conveying medium is realized, meanwhile, the separation buffer core can be separated from the buffer container, so that the assembly and maintenance of the device and the taking out of impurities are convenient, in addition, the buffer container can be arranged to be smaller according to the size of the pressure taking pipe, the structure is simple, the removal of the impurities can be realized under the condition of changing the flow of the conveying medium less, and the improvement on the existing pressure taking pipeline is facilitated.

As a preferred embodiment of the present utility model, the buffer tank is shielded by a screen member. The solid impurities can not pass through the filter screen component, and can be deposited on one side of the filter screen component, so that the solid impurities in the conveying medium are reduced to the greatest extent.

As a preferred embodiment of the present utility model, the buffer container includes a cylindrical structural member, the flow guide channel is parallel to the axis of the cylindrical structural member, and the axis of the flow guide channel is located above the axis of the cylindrical structural member. The axis of the diversion channel and the axis of the cylinder structural member are arranged in a staggered way, and a wider sedimentation space is formed below the separation buffer core, so that sedimentation and collection of liquid and solid impurities in a conveying medium are facilitated.

As a preferable scheme of the utility model, the flow guide channel and the through hole are coaxially arranged, and four buffer grooves are uniformly distributed around the axis of the flow guide channel. The buffer groove and the through hole form an included angle of 90 degrees, so that the conveying medium can be buffered to the greatest extent, and the impurity removing effect is improved.

As a preferred embodiment of the present utility model, a sealing member is provided between the separation buffer core and the buffer container.

As a preferred embodiment of the present utility model, the separation buffer core is provided as an input side of the transport medium, the through hole is provided as an output side of the transport medium, or the separation buffer core is provided as an output side of the transport medium, and the through hole is provided as an input side of the transport medium. The speed of the conveying medium is reduced after the conveying medium passes through the device, the buffering effect is improved, solid impurities in the conveying medium are blocked in the separation buffering core or the buffering container, the separation buffering core can be detached for cleaning and removing, and liquid in the conveying medium can be settled and collected in the buffering chamber, so that the settling and collecting effect is good and the discharging is convenient.

As a preferred scheme of the utility model, the through hole is connected with a first connecting pipe fitting, the first connecting pipe fitting comprises a movable joint core pipe and a movable joint nut, and the movable joint core pipe and the movable joint nut are in nested fit. To facilitate the combined connection of the device with other lines.

As a preferable mode of the utility model, one end of the separation buffer core far away from the buffer container is connected with a second connecting pipe fitting.

As a preferable scheme of the utility model, a drain hole is arranged at the bottom of the buffer container, the drain hole is connected with a third connecting pipe fitting, and the third connecting pipe fitting is detachably connected with a valve. So as to facilitate the discharge of impurities in the buffer container.

The metering pressure-taking pipeline comprises a natural gas pressure-taking pipe, wherein the natural gas pressure-taking pipe is provided with at least one accumulated liquid separation buffer device.

According to the metering pressure-taking pipeline, by adopting the liquid accumulation separation buffer device, liquid and solid impurities in the natural gas passing through the liquid accumulation separation buffer device are reduced, the influence of the liquid or solid impurities on the accuracy of the metering device is avoided, meanwhile, the natural gas is buffered at the liquid accumulation separation buffer device, the splashing phenomenon is not easy to occur during pollution discharge, and the environmental pollution is avoided.

In summary, due to the adoption of the technical scheme, the hydrops separation buffer device has the beneficial effects that:

1. the buffer groove and the through hole are arranged in a staggered manner, so that the direction of the conveying medium passing through the buffer container is changed in the buffer chamber, and the buffer of the conveying medium is realized;

2. liquid and solid impurities in the conveying medium can be settled under the action of gravity, so that the liquid and solid impurities in the conveying medium output from the device are reduced, and the impurity filtering effect on the conveying medium is realized;

3. the separation buffer core can be separated from the buffer container, so that the device is convenient to assemble, maintain and take out impurities;

4. the buffer container can be smaller according to the size of the pressure taking pipe, has a simple structure, can remove impurities under the condition of changing the flow rate of the conveying medium slightly, and is beneficial to refitting the pressure taking pipe on the existing metering pressure taking pipe;

the metering and pressure-taking pipeline has the beneficial effects that:

1. by adopting the liquid accumulation separation buffer device, liquid and solid impurities in the natural gas passing through the liquid accumulation separation buffer device are reduced, and the influence of the liquid or solid impurities on the accuracy of the metering device is avoided;

2. natural gas is buffered at the position of the hydrops separation buffer device, so that splashing phenomenon is not easy to occur during sewage discharge, and environmental pollution is avoided.

Drawings

FIG. 1 is a schematic diagram of a liquid accumulation separation buffer device in accordance with embodiment 1;

FIG. 2 is a schematic view of the structure of the section at A-A in FIG. 1;

fig. 3 is a schematic structural diagram of a metering and pressure-taking pipeline in embodiment 4.

Icon:

1-buffer container, 11-buffer chamber, 12-through hole, 13-blow-down hole, 2-separation buffer core, 21-diversion channel, 22-buffer groove, 3-filter screen component, 4-sealing piece, 5-first connecting pipe fitting, 51-movable joint core pipe, 52-movable joint nut, 6-second connecting pipe fitting, 7-third connecting pipe fitting, 8-valve and 9-natural gas pressure taking pipe.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1-2, a hydrops separation buffer device comprises a buffer container 1 and a separation buffer core 2, wherein a buffer chamber 11 is arranged in the buffer container 1, one end of the separation buffer core 2 is positioned in the buffer chamber 11, the other end of the separation buffer core extends out of the buffer chamber 11, the separation buffer core 2 is detachably connected with the buffer container 1, the separation buffer core 2 comprises a diversion channel 21, the separation buffer core 2 is provided with a plurality of buffer grooves 22 communicated with the diversion channel 21 and the buffer chamber 11, the buffer chamber 11 is provided with a through hole 12 penetrating through an external space, and the buffer grooves 22 and the through hole 12 are arranged in a staggered manner.

As shown in fig. 1, in this embodiment, the buffer container 1 includes a cylindrical structural member, two ends of the cylindrical structural member are closed by sealing plates, a separation buffer core 2 extends in from one end sealing plate of the buffer container 1, a through hole 12 is provided at the opposite end sealing plate, the separation buffer core 2 is in threaded connection with the buffer container 1, four buffer grooves 22 are circumferentially arranged in a radial direction of the flow guiding channel 21, and a filter screen member 3 is provided at a position corresponding to the buffer grooves 22.

Preferably, the length of each buffer slot 22 along the axial direction of the diversion channel 21 is larger than the width thereof, and slot holes are formed to match with the medium flowing direction so as to improve the medium flowing capacity of the buffer slot 22.

Preferably, the separation buffer core is arranged at the input side of the conveying medium, the through hole 12 is arranged at the output side of the conveying medium, the natural gas enters the buffer chamber 11 along the diversion channel 21 and is output from the through hole 12, so that the natural gas conveying direction is subjected to multiple steering to play a role in buffering and splash prevention, meanwhile, liquid in the separation buffer core is settled at the bottom of the buffer chamber 11, and solids in the separation buffer core 2 are blocked, so that stratum water and solid impurities in the natural gas output from the through hole 12 are separated, the gas quality is better, and the metering accuracy can be effectively ensured.

Preferably, the filter screen member 3 is embedded in the diversion channel 21 or coated on the separation buffer core 2, as shown in fig. 1, the filter screen member 3 of this embodiment includes a filter screen tubular structure member, and is embedded in the diversion channel 21 and can be taken out from a side of the diversion channel 21 away from the buffer container 1.

Preferably, a sealing member 4 is disposed between the separation buffer core 2 and the buffer container 1, and the sealing member 4 is preferably a copper pad, so as to ensure the connection tightness of the separation buffer core 2 and the buffer container 1, and avoid the sealing member 4 from being corroded by a conveying medium and avoid the buffer container 1 from leaking.

Preferably, a drain hole 13 is arranged at the bottom of the buffer container 1. When the blow-down hole 13 is opened, impurities in the buffer container 1 can be output from the blow-down hole 13, so that the buffer container 1 is cleaned.

According to the hydrops separation buffer device, the diversion channel 21 and the through hole 12 are coaxially arranged, the buffer groove 22 and the through hole 12 are arranged in a staggered mode, so that the direction of a conveying medium passing through the buffer container 1 is changed in the buffer chamber 11, the conveying medium is buffered, splashing is prevented, meanwhile, liquid and solid impurities in the conveying medium can be settled under the action of gravity, liquid and solid impurities in the conveying medium output from the device are reduced, the impurity filtering effect on the conveying medium is achieved, and meanwhile, the separation buffer core 2 can be detached and separated from the buffer container 1, so that the device is convenient to assemble, maintain and take out impurities.

In some embodiments, the buffer vessel 1 and the separation buffer core 2 comprise metallic structural members of the same quality as conventional natural gas pressure take-off tubes.

In some embodiments, the buffer container 1 may be provided in a cubic shape.

In some embodiments, the separation buffer core 2 is arranged on the output side of the conveying medium, the through hole 12 is arranged on the input side of the conveying medium, the natural gas enters the buffer chamber 11 from the through hole 12, then enters the diversion channel 21 for output, and solid impurities and liquid in the natural gas are settled and collected in the buffer chamber 11.

Example 2

As shown in fig. 1, a liquid accumulation separating buffer device of this embodiment has a structure substantially the same as that of embodiment 1, except that: the flow guide channel 21 is parallel to the axis of the cylindrical structural member, and the axis of the flow guide channel 21 is located above the axis of the cylindrical structural member.

According to the hydrops separation buffer device, the axis of the diversion channel 21 and the axis of the cylindrical structural member are arranged in a staggered mode, and a wider sedimentation space is formed below the separation buffer core 2, so that sedimentation and collection of liquid and solid impurities in a conveying medium are facilitated.

Example 3

As shown in fig. 1, a liquid accumulation separating buffer device of this embodiment has substantially the same structure as that of embodiment 1 and embodiment 2, except that: the through hole 12 is connected with the first connecting pipe fitting 5, one end of the separation buffer core 2 far away from the buffer container 1 is connected with the second connecting pipe fitting 6, the sewage draining hole 13 is connected with the third connecting pipe fitting 7, and the third connecting pipe fitting 7 is detachably connected with the valve 8.

According to the hydrops separation buffer device, the first joint pipe fitting 5 comprises the movable joint core pipe 51 and the movable joint nut 52, the movable joint core pipe 51 is in nested fit with the movable joint nut 52, the first joint pipe fitting 5, the second joint pipe fitting 6 and the third joint pipe fitting 7 are identical in structure, and are connected with the buffer container 1 through welding of the movable joint core pipe 51 and the corresponding position, so that the hydrops separation buffer device can be connected into an existing pipeline for conveying media through the movable joint, and the connection is convenient to use.

Preferably, the valve 8 comprises a manual ball valve to facilitate control of the drainage of the liquid product.

Example 4

As shown in fig. 1-3, a metering and pressure-taking pipeline comprises a natural gas pressure-taking pipe 9, wherein the natural gas pressure-taking pipe 9 is provided with at least one accumulated liquid separation buffer device.

According to the metering pressure-taking pipeline, the natural gas pressure-taking pipe 9 is intercepted to comprise the input section and the output section, the liquid accumulation separation buffer device is connected between the input section and the output section, so that the natural gas is separated from stratum water and solid impurities through the liquid accumulation separation buffer device, liquid and solid impurities in the natural gas entering the metering device are reduced, the accuracy of the metering device is prevented from being influenced by the liquid or solid impurities, meanwhile, the natural gas is buffered at the liquid accumulation separation buffer device, splashing phenomenon is not easy to occur during pollution discharge, and environmental pollution is avoided.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a hydrops separation buffer, its characterized in that, includes buffer container (1) and separation buffer core (2), set up buffer chamber (11) in buffer container (1), separation buffer core (2) one end is located in buffer chamber (11), the other end stretches out buffer chamber (11), separation buffer core (2) with buffer container (1) can dismantle and be connected, separation buffer core (2) include water conservancy diversion passageway (21), separation buffer core (2) set up the intercommunication water conservancy diversion passageway (21) with a plurality of buffer tank (22) of buffer chamber (11), buffer chamber (11) set up through-hole (12) of lining up the outer space, buffer tank (22) with through-hole (12) dislocation set.

2. A liquid accumulation separation buffer device as in claim 1 in which said buffer tank (22) is shielded by a screen member (3).

3. A liquid accumulation separation buffer apparatus as in claim 1 wherein the buffer vessel (1) comprises a cylindrical structure, the flow guide channel (21) being parallel to the axis of the cylindrical structure, the axis of the flow guide channel (21) being above the axis of the cylindrical structure.

4. A liquid accumulation separation buffer device as in claim 3 in which said flow guide channel (21) is coaxially disposed with said through hole (12) and four buffer grooves (22) are uniformly distributed around the axis of said flow guide channel (21).

5. A liquid-collecting separation buffer according to claim 1, characterized in that a seal is provided between the separation buffer core (2) and the buffer vessel (1).

6. A liquid-collecting and separating buffer device according to claim 1, characterized in that the separating buffer core (2) is arranged as an inlet side for the transport medium, the through-hole (12) is arranged as an outlet side for the transport medium, or the separating buffer core (2) is arranged as an outlet side for the transport medium, and the through-hole (12) is arranged as an inlet side for the transport medium.

7. A liquid accumulation separation buffer apparatus as in any one of claims 1-6 in which said through hole (12) connects to a first connector (5), said first connector (5) comprising a union core tube (51) and a union nut (52), said union core tube (51) and said union nut (52) being nested together.

8. A liquid accumulation separation buffer apparatus as in claim 7 in which the end of said separation buffer core (2) remote from said buffer container (1) is connected to a second connector (6).

9. The hydrops separation buffer device according to claim 8, characterized in that a drain hole (13) is formed in the bottom of the buffer container (1), the drain hole (13) is connected with a third connecting pipe fitting (7), and the third connecting pipe fitting (7) is detachably connected with the valve (8).

10. A metering and pressure taking pipeline, characterized by comprising a natural gas pressure taking pipe (9), wherein the natural gas pressure taking pipe (9) is provided with at least one liquid accumulation separation buffer device as claimed in claim 1.