CN220779383U

CN220779383U - Novel pipeline desanding device

Info

Publication number: CN220779383U
Application number: CN202322412652.3U
Authority: CN
Inventors: 田召军; 张士利
Original assignee: Shandong Zhaoqing Petroleum Technology Co ltd
Current assignee: Shandong Zhaoqing Petroleum Technology Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-04-16
Anticipated expiration: 2033-09-06

Abstract

The utility model relates to the technical field of gas well mixed liquid pipeline sand removal, and particularly discloses a novel pipeline sand removal device which comprises a liquid inlet pipe, a filter and a separation pipe, wherein a conveying channel and a containing cavity are formed in the separation pipe, the containing cavity is positioned at the bottom of the conveying channel, an opening is formed in the bottom of the conveying channel and communicated with the containing cavity, a guide plate for enabling liquid to flow in a rotating mode is arranged on the inner wall of the conveying channel, a sewage draining channel is arranged at the bottom of the separation pipe and communicated with the containing cavity.

Description

Novel pipeline desanding device

Technical Field

The utility model relates to the technical field of gas well mixed liquid pipeline sand removal, in particular to a novel pipeline sand removal device.

Background

The mixed liquid discharged from the gas well can be introduced into the separation sand remover after being subjected to pipeline sand removal firstly through a pipeline, the pipeline sand removal device is generally provided with a filter at the tail end of the pipeline, a filter screen is arranged in the filter, the mixed liquid enters the filter from one side of the filter and is discharged into the separation sand remover from the other side after being filtered by the filter screen, and as for the particulate impurities, the particulate impurities can be filtered out by the filter screen and remain in the filter.

Because the output quantity and the output speed of the mixed liquid are large, one filter is blocked by impurities after being used for a short time, so that the circulation of the mixed liquid is influenced, the filter screen is required to be replaced after one end of use is needed, or a new filter is directly replaced, the impurities in the original filter are cleaned up and then reused, the feeding of the mixed liquid is required to be stopped temporarily in the replacement process, the feeding of the mixed liquid is stopped more frequently when the filter is replaced frequently, and the efficiency of the gas well separation and sand removal work is seriously influenced.

Therefore, it is necessary to provide a novel pipeline desanding device to solve the problem that the frequent replacement of the filter leads to low working efficiency of separating and desanding of the gas well.

Disclosure of Invention

The utility model aims to solve the problem that the existing pipeline sand removal device is low in working efficiency of separating and removing sand of a gas well due to frequent replacement of a filter, and provides a novel pipeline sand removal device.

The technical scheme of the utility model is as follows:

the utility model provides a novel pipeline degritting device, includes feed liquor pipe and filter, still includes the separator tube, has seted up conveying passage and holding chamber in the separator tube, and the holding chamber is located conveying passage's bottom, and conveying passage's bottom is equipped with the opening, opening and holding chamber intercommunication are equipped with the guide plate that makes the rotatory flow of liquid on conveying passage's the inner wall, and the separator tube bottom is equipped with the blowdown passageway, blowdown passageway and holding chamber intercommunication.

Further, the blow-down channel comprises a first blow-down outlet and a second blow-down outlet, the first blow-down outlet is positioned at one end of the separation pipe communicated with the liquid inlet pipe, and the second blow-down outlet is positioned at one end of the separation pipe communicated with the filter.

Further, the first drain port is opened along a vertical direction, and the second drain port is opened along a direction inclined toward the filter.

Further, a baffle is arranged in the separation pipe, a through hole is formed in the baffle, and the baffle is positioned at the opening and separates the accommodating cavity from the conveying channel.

Further, the through hole is circular.

Further, a filter screen is arranged in the filter.

Further, the baffle is fixedly connected with the inner wall of the separation tube.

Further, blades for driving the liquid to form vortex are arranged in the liquid inlet pipe.

According to the novel pipeline sand removing device, liquid passes through the conveying channel in the separating tube, the liquid is driven by the blades to form vortex to pass through the conveying channel, the guide plate is arranged in the conveying channel, the liquid can always rotate and flow in the conveying channel, along with the rotation of the liquid, particle impurities in the liquid are influenced by self gravity and centrifugal force, enter the accommodating cavity through the opening and gradually settle at the bottom of the accommodating cavity, and finally are discharged through the sewage discharging channel, the liquid is subjected to primary filtration of the particle impurities when passing through the separating tube, the heavier or larger particle impurities are filtered into the accommodating cavity, most of the unfiltered impurities are small particles or lighter, and can be filtered out when passing through the filter, so that secondary filtration of the particle impurities is realized.

Drawings

FIG. 1 is a structural reference diagram of the present utility model;

fig. 2 is a view showing a baffle structure according to the present utility model.

Reference numerals: 1. a liquid inlet pipe; 2. a filter; 3. a separation tube; 4. a conveying channel; 5. a receiving chamber; 6. a deflector; 7. a trapway; 8. a first drain outlet; 9. a second drain outlet; 10. a baffle; 11. a through hole; 12. a filter screen; 13. and (3) a blade.

Detailed Description

In order to make the technical means, technical features, objects and technical effects of the present utility model easy to understand, the present utility model will be further described with reference to the specific drawings.

Embodiment one:

as shown in fig. 1 and 2, a novel pipeline sand removing device comprises a liquid inlet pipe 1, a filter 2, a separating pipe 3, a conveying channel 4 and a containing cavity 5 are arranged in the separating pipe 3, the containing cavity 5 is located at the bottom of the conveying channel 4, an opening is arranged at the bottom of the conveying channel 4 and communicated with the containing cavity 5, a guide plate 6 for enabling liquid to rotationally flow is arranged on the inner wall of the conveying channel 4, a sewage draining channel 7 is arranged at the bottom of the separating pipe 3, and the sewage draining channel 7 is communicated with the containing cavity 5. One end of the liquid inlet pipe 1 and one end of the separating pipe 3 are connected through a flange, and the other end of the filter 2 and the other end of the separating pipe 3 are connected through a flange.

Preferably, the blow-down channel 7 comprises a first blow-down outlet 8 and a second blow-down outlet 9, the first blow-down outlet 8 is positioned at one end of the separation pipe 3 communicated with the liquid inlet pipe 1, and the second blow-down outlet 9 is positioned at one end of the separation pipe 3 communicated with the filter 2.

Preferably, the first drain outlet 8 is opened in a vertical direction, and the second drain outlet 9 is opened in a direction inclined toward the filter 2.

Preferably, the baffle 10 is disposed in the separating tube 3, the baffle 10 is provided with a through hole 11, the baffle 10 is disposed at the opening and separates the accommodating cavity 5 from the conveying channel 4, specifically, the through hole 11 is larger than the size of the impurity particles, because the flow velocity is larger after the blade 13 drives the liquid to enter the separating tube 3, the impurity can indeed fall into the accommodating cavity 5 under the action of gravity and centrifugal force, and then the impurity particles in the accommodating cavity 5 are easily driven by the liquid flowing at high speed, so that the liquid is involved in the accommodating cavity 5 again by the vortex of the liquid, the arrangement of the baffle 10 can prevent the liquid flowing at high speed, after the liquid enters the accommodating cavity 5 through the through hole 11, the flow velocity and inertia of the liquid are greatly reduced, and the impurity particles settled at the bottom can not be rewound, thus ensuring the filtering effect of the separating tube 3.

Preferably, the through hole 11 is circular.

Preferably, a filter screen 12 is disposed in the filter 2.

Preferably, the baffle 10 is welded to the inner wall of the separator tube 3.

Preferably, the liquid inlet pipe 1 is internally provided with blades 13 for driving liquid to form vortex, and the blades 13 are driven by a motor to rotate so as to play a stirring role on the liquid, so that the liquid rotates to enter the separation pipe 3 to generate centrifugal force.

When the gas well filter is used, the liquid passes through the conveying channel 4 in the separating tube 3, the liquid forms vortex under the drive of the blades 13 and passes through the conveying channel 4, the guide plate 6 is arranged in the liquid, the liquid can always rotate and flow in the conveying channel 4, along with the rotation of the liquid, particle impurities in the liquid are influenced by self gravity and centrifugal force, enter the accommodating cavity 5 through the opening and gradually settle at the bottom of the accommodating cavity 5, finally, the liquid is discharged through the blow-off channel 7, the liquid is subjected to primary filtration of the particle impurities when passing through the separating tube 3, heavier or larger particle impurities are filtered into the accommodating cavity 5, most of the unfiltered impurities are small particles or lighter, the unfiltered impurities can be filtered out when passing through the filter 2, the secondary filtration of the particle impurities is realized, the pressure when the filter 2 filters out can be much smaller, the number of the filtered impurities is less, the filter screen on the filter 2 is not easy to block, compared with the prior art, the technology scheme greatly reduces the frequency of replacing the filter 2 or stopping the gas well filter, the frequency of the mixed gas well filter is lowered, the frequency of the gas well filter is increased, and the working efficiency of the gas well is improved.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Equivalent changes and modifications of the utility model are intended to fall within the scope of the present utility model.

Claims

1. The utility model provides a novel pipeline degritting device, includes feed liquor pipe (1) and filter (2), its characterized in that: the device also comprises a separation pipe (3), wherein a conveying channel (4) and a containing cavity (5) are arranged in the separation pipe (3), the containing cavity (5) is positioned at the bottom of the conveying channel (4), an opening is arranged at the bottom of the conveying channel (4), the opening is communicated with the containing cavity (5), and a guide plate (6) for enabling liquid to flow in a rotating mode is arranged on the inner wall of the conveying channel (4);

the bottom of the separation pipe (3) is provided with a blow-down channel (7), and the blow-down channel (7) is communicated with the accommodating cavity (5).

2. A novel pipeline desanding device as claimed in claim 1, wherein: the sewage draining channel (7) comprises a first sewage draining outlet (8) and a second sewage draining outlet (9), the first sewage draining outlet (8) is located at one end of the separating tube (3) communicated with the liquid inlet tube (1), and the second sewage draining outlet (9) is located at one end of the separating tube (3) communicated with the filter (2).

3. A novel pipeline desanding device as claimed in claim 2, wherein: the first drain outlet (8) opens in a vertical direction, and the second drain outlet (9) opens in a direction inclined toward the filter (2).

4. A novel pipeline desanding device as claimed in claim 1, wherein: baffle (10) are arranged in the separation tube (3), through holes (11) are formed in the baffle (10), and the baffle (10) is positioned at the opening and separates the accommodating cavity (5) from the conveying channel (4).

5. The novel pipeline desanding device of claim 4, wherein: the through hole (11) is round.

6. A novel pipeline desanding device as claimed in claim 1, wherein: a filter screen (12) is arranged in the filter (2).

7. The novel pipeline desanding device of claim 4, wherein: the baffle (10) is fixedly connected with the inner wall of the separation tube (3).

8. A novel pipeline desanding device as claimed in claim 1, wherein: blades (13) for driving liquid to form vortex are arranged in the liquid inlet pipe (1).