CN219560781U

CN219560781U - Oil field gathering pipeline scale removal device

Info

Publication number: CN219560781U
Application number: CN202320979264.0U
Authority: CN
Inventors: 杨东
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-08-22
Anticipated expiration: 2033-04-26

Abstract

The utility model relates to the technical field of oil field gathering and conveying pipeline cleaning, and particularly discloses an oil field gathering and conveying pipeline descaling device. The left side of the pressurizing turbulence assembly is welded with the straight edge section on the right side of the seal head shell in the seal head assembly, and the right end of the liquid inlet pipe is connected to the center of the convex part on the left side of the seal head assembly and enters the buffer cavity of the seal head assembly; the brush wheel assembly and the leather plate descaling assembly are respectively arranged on the outer circumference of the liquid inlet pipe. The utility model adopts various modes of pressurized turbulent flow washing pretreatment of cleaning liquid, leather scraping and descaling, magnet adsorption, brush wheel powerful descaling and the like to carry out combined descaling, can thoroughly clean the gathering pipeline, has high descaling efficiency and wide application range; the device has the advantages of simple structure, small occupied space and simple installation, and is particularly suitable for being used in space-limited areas such as offshore platforms, complex terrain areas, residential areas and the like.

Description

Oil field gathering pipeline scale removal device

Technical Field

The utility model relates to the technical field of oil field gathering and conveying pipeline cleaning, in particular to an oil field gathering and conveying pipeline descaling device.

Background

When the oilfield gathering and transporting system is operated, part of impurities in the liquid transported in the pipeline can be adsorbed on the surface of the pipeline wall to form hard and lamellar sediments, so that serious scaling phenomenon occurs in the pipeline. This phenomenon can affect the effective path of the pipeline, even clog the pipeline, severely affecting the normal operation of production.

When the pipeline is subjected to descaling and cleaning in the prior art, the descaling mode is single, the descaling device is complex in structure and low in descaling efficiency. Therefore, in order to improve the above situation, it is necessary to provide an oilfield gathering line descaling device to overcome the above technical problems.

Disclosure of Invention

The utility model aims to solve the problems of single descaling mode, complex structure and low descaling efficiency of a descaling device in the prior art, and provides a descaling device for oilfield gathering pipelines.

The utility model relates to an oilfield gathering pipeline descaling device, which comprises a liquid inlet pipe, a brush wheel assembly, a leather plate descaling assembly, an end socket assembly and a pressurizing turbulence assembly, wherein the left side of the pressurizing turbulence assembly is welded with a straight edge section on the right side of an end socket shell in the end socket assembly, and the right end of the liquid inlet pipe is connected to the center of a bulge part on the left side of the end socket assembly and enters a buffer cavity of the end socket assembly; the brush wheel assembly and the leather plate descaling assembly are respectively arranged on the outer circumference of the liquid inlet pipe.

Preferably, the pressurizing turbulence assembly comprises a cylinder, one end of the cylinder is provided with a liquid inlet hole, the other opposite end of the cylinder is provided with a liquid outlet hole, and the liquid inlet hole and the corresponding liquid outlet hole form a pressurizing cavity along the axial direction of the cylinder; the diameter of the liquid inlet hole is larger than that of the liquid outlet hole.

Preferably, the included angle formed by the liquid inlet hole and the liquid outlet hole along the axial horizontal direction of the cylinder body is 10-25 degrees.

Preferably, the liquid outlet hole and the liquid inlet hole are offset by 2mm-4mm along the radial direction of the cylinder body towards the outer circumferential direction.

Preferably, the seal head assembly comprises a seal head shell and a buffer cavity formed by the seal head and the pressurizing turbulent flow assembly.

Preferably, the leather plate descaling assembly comprises a round leather plate and a reinforcing plate, wherein the round leather plate is sleeved on the outer circumference of the liquid inlet pipe, the reinforcing plate is fixedly welded on the outer circumference of the liquid inlet pipe, and the round leather plate is fixedly arranged on the reinforcing plate through a fastening bolt and a fastening nut; preferably, the skin descaling assembly is at least 2 groups.

Preferably, the device further comprises a magnet group, wherein the magnet group is arranged on the outer circumference of the liquid inlet pipe and is arranged between the brush wheel assembly and the leather plate descaling assembly.

Preferably, the brush wheel assembly comprises brush wheel seats fixed on the outer circumference of the liquid inlet pipe, a plurality of round steel brushes are radially distributed on the periphery of each brush wheel seat, and the round steel brushes are fixed on the brush wheel seats in a riveting manner; the brush wheel sets are fixed on the outer circumference of the liquid inlet pipe in series.

Preferably, the inlet end of the liquid inlet pipe is provided with a blocking plate, and the blocking plate is provided with a screwed connection pipe.

Preferably, a connecting joint is welded in the middle of the right end of the cylinder body of the pressurizing turbulence assembly.

The utility model adopts the structure and has the following advantages:

1. the combined descaling is carried out in various modes such as pressurization turbulence flushing pretreatment of cleaning liquid, leather scraping descaling, magnet adsorption, brush wheel powerful descaling and the like, so that the descaling and cleaning of the gathering pipeline can be thoroughly carried out, the descaling efficiency is high, and the application range is wide.

2. Through adopting the structure that sets gradually above-mentioned scale removal subassembly on the feed liquor pipe outer circumference, this kind of simple structure, occupation space is little, the installation is simple, is particularly suitable for space restricted areas such as offshore platform, complicated topography district, residential area and uses.

3. The scale-removing pipeline is cleaned by adopting a cleaning liquid pressurizing turbulence mode, so that the impact force and the soaking time of the cleaning liquid to scale substances in the gathering pipeline can be reduced, the scale layer is softened or falls off, and the follow-up mechanical scale-removing cleaning is facilitated.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic view of A-A cross-sectional structure of the present utility model;

FIG. 4 is a left side view of the present utility model;

FIG. 5 is a schematic perspective view of a plenum assembly;

FIG. 6 is a schematic illustration of the internal structure of a plenum turbulator assembly;

FIG. 7 is a right side view of the boost turbulence assembly;

in the figure: 1. a nipple; 2. a liquid inlet pipe; 201. a closure plate; 3. a brush wheel assembly; 301. a brushing wheel seat; 302. a round steel brush; 4. a magnet group; 5. a leather plate descaling assembly; 501. a fastening bolt; 502. a circular leather plate; 503. a reinforcing plate; 504. a fastening nut; 6. a seal head assembly; 601. a closure shell; 602. a buffer chamber; 7. a pressurized turbulent flow assembly; 701. a liquid inlet hole; 702. a cylinder; 703. a pressurizing chamber; 704. a liquid outlet hole; 8. and (5) connecting joints.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1 to 4, an oilfield gathering line descaling device comprises a liquid inlet pipe 2, a brush wheel assembly 3, a leather plate descaling assembly 5, a seal head assembly 6 and a pressurizing turbulence assembly 7, wherein the left side of the pressurizing turbulence assembly 7 is welded with a straight edge section on the right side of a seal head shell 601 in the seal head assembly 6, and the right end of the liquid inlet pipe 2 is connected to the center of a convex part on the left side of the seal head assembly 6 and enters a buffer cavity 602 of the seal head assembly 6; the brush wheel assembly 3 and the leather plate descaling assembly 5 are respectively arranged on the outer circumference of the liquid inlet pipe 2.

Referring to fig. 5 to 7, the pressurizing turbulent flow assembly 7 includes a cylinder 702, one end of the cylinder 702 is provided with a plurality of liquid inlet holes 701, the opposite end of the cylinder 702 is provided with a plurality of liquid outlet holes 704, the liquid inlet holes 701 and the liquid outlet holes 704 are in one-to-one correspondence, and the number of the liquid inlet holes 701 is preferably 12. The liquid inlet holes 701 and the corresponding liquid outlet holes 704 form a pressurizing cavity 703 along the axial direction of the cylinder; the diameter of the liquid inlet 701 is larger than that of the liquid outlet 704, and the structure is favorable for forming a pressurizing effect on the cleaning liquid.

The angle between the direction of the liquid inlet 701 and the direction of the liquid outlet 704 along the axial horizontal direction of the cylinder is 10-25 degrees, preferably 15 degrees.

The direction of the liquid outlet 704 and the direction of the liquid inlet 701 are offset from each other by a distance of 2mm-4mm along the radial direction of the cylinder 702 to the outer circumferential direction, and preferably, the offset distance is 3mm.

The structure ensures that the cleaning liquid forms a pressurized turbulent flow liquid response along the inner side of the collecting and conveying pipeline in the outward spraying process, increases the impact force and the soaking time of the scaling substances in the collecting and conveying pipeline, and is beneficial to the falling-off of the scaling substances in the pipeline.

Referring to fig. 3, the seal head assembly 6 includes a seal head housing 601 and a buffer cavity 602 formed by the seal head housing 601 and a liquid inlet end of the pressurizing turbulence assembly 7, where the buffer cavity 602 is used to store a cleaning liquid partially and distribute multiple liquid entering the pressurizing cavity 703, so as to facilitate the pressurizing and turbulence effects of the cleaning liquid.

The leather plate descaling assembly 5 comprises a round leather plate 502 and a reinforcing plate 503, wherein the round leather plate 502 is sleeved on the outer circumference of the liquid inlet pipe 2, the reinforcing plate 503 is welded and fixed on the outer circumference of the liquid inlet pipe 2, and the round leather plate 502 is fixed on the reinforcing plate 503 through a fastening bolt 501 and a fastening nut 504. The leather plate descaling components are in 2 groups; the device is used for cleaning loose sediment in a pipeline, scraping pipe scales through a disc which is perpendicular to the pipe wall and pushing the pipe scales out of the pipeline.

The magnet group 4 is fixed on the outer circumference of the liquid inlet pipe 2 and is arranged between the brush wheel assembly 3 and the leather plate descaling assembly 5, and the outer diameter of the magnet group 4 is far smaller than the inner diameter of a pipeline to be cleaned, so as to collect ferrous compound fragments from powder to welding slag in the pipeline.

The brush wheel assembly 3 comprises brush wheel bases 301 fixed on the outer circumference of the liquid inlet pipe 2, the brush wheel bases 301 are preferably made of hard polyethylene, a plurality of round steel brushes 302 are radially distributed around each brush wheel base 301, and the round steel brushes 302 are fixed on the brush wheel bases 301 in a riveting mode; the brush wheel assemblies 3 are fixed on the outer circumference of the liquid inlet pipe 2 in series; the structure can clean hard pipe scales or difficult-to-clean pipe scales in corrosion pits, and improves the descaling efficiency of pipelines.

The inlet end of the liquid inlet pipe 2 is provided with a blocking plate 201, and the blocking plate 201 is provided with a screwed pipe 1, so that the liquid inlet pipe 2 is convenient to communicate with external cleaning liquid; preferably, the cleaning fluid is hot water or a mixture containing a chemical scale remover.

The middle part of the right end of the cylinder 702 of the pressurizing turbulence assembly 7 is welded with a connecting joint 8 for the descaling device to move along the pipeline direction, so that the interior of the pipeline is comprehensively cleaned.

During operation, an external cleaning liquid pipeline is connected with the liquid inlet pipe 2 through the threaded connection pipe 1, cleaning liquid enters the buffer cavity 602 of the seal head assembly 6, the cleaning liquid is buffered by the buffer cavity 602, then enters the pressurizing cavity 703 through the plurality of liquid inlet holes 701 at one end of the cylinder 702, and the pressurized cleaning liquid is sprayed out through the liquid outlet holes 704 at the other end of the cylinder 702 to form pressurized turbulent liquid flow, impact pipeline dirt and play a role in cleaning and pretreatment dirt; the connecting joint 8 of the descaling device is externally connected with a power traction device and advances along a scale pipeline to be cleaned; the pipe scale after being impacted and soaked by the cleaning liquid is cleaned after being scraped by the leather plate descaling assembly 5; the fragments containing ferrous compounds in the pipe scale are adsorbed by the magnet group 4; the residual small part of the pipe scale which is difficult to clean or in the corrosion pit is brushed off by the brush wheel assembly 3, and the pipe scale in the gathering pipeline is cleaned off through the descaling operation in the plurality of modes.

The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. An oilfield gathering line descaling device which is characterized in that: the device comprises a liquid inlet pipe (2), a brush wheel assembly (3), a leather plate descaling assembly (5), an end socket assembly (6) and a supercharging turbulence assembly (7), wherein the left side of the supercharging turbulence assembly (7) is welded with a straight edge section on the right side of an end socket shell (601) in the end socket assembly (6), and the right end of the liquid inlet pipe (2) is connected to the center of a convex part on the left side of the end socket assembly (6) and enters a buffer cavity (602) of the end socket assembly (6); the brush wheel assembly (3) and the leather plate descaling assembly (5) are respectively arranged on the outer circumference of the liquid inlet pipe (2);

the pressurizing turbulence assembly (7) comprises a cylinder body (702), one end of the cylinder body (702) is provided with a liquid inlet hole (701), the other opposite end of the cylinder body (702) is provided with a liquid outlet hole (704), the liquid inlet hole (701) and the corresponding liquid outlet hole (704) axially form a pressurizing cavity (703) along the cylinder body (702), and the diameter of the liquid inlet hole (701) is larger than that of the liquid outlet hole (704).

2. An oilfield gathering line descaling device as defined in claim 1, wherein: the included angle formed by the liquid inlet hole (701) and the liquid outlet hole (704) along the axial horizontal direction of the cylinder body (702) is 10-25 degrees.

3. An oilfield gathering line descaling device as defined in claim 2, wherein: the liquid outlet hole (704) and the liquid inlet hole (701) are offset by 2mm-4mm along the radial direction of the cylinder body (702) towards the outer circumferential direction.

4. An oilfield gathering line descaling device as defined in claim 3, wherein: the leather plate descaling assembly (5) comprises a round leather plate (502) and a reinforcing plate (503), wherein the round leather plate (502) is sleeved on the outer circumference of the liquid inlet pipe (2), the reinforcing plate (503) is fixedly welded on the outer circumference of the liquid inlet pipe (2), and the round leather plate (502) is fixed on the reinforcing plate (503) through a fastening bolt (501) and a fastening nut (504).

5. An oilfield gathering line descaling device as defined in claim 3, wherein: the brush wheel assembly (3) comprises brush wheel bases (301) fixed on the outer circumference of the liquid inlet pipe (2), a plurality of circular steel brushes (302) are radially distributed around each brush wheel base (301), and the circular steel brushes (302) are fixed on the brush wheel bases (301) in a riveting mode.

6. An oilfield gathering line descaling device as defined in claim 1, wherein: the device further comprises a magnet group (4), wherein the magnet group (4) is arranged on the outer circumference of the liquid inlet pipe (2) and is arranged between the brush wheel assembly (3) and the leather plate descaling assembly (5).

7. An oilfield gathering line descaling device as defined in claim 1, wherein: the inlet end of the liquid inlet pipe (2) is provided with a blocking plate (201), and the blocking plate (201) is provided with a screwed pipe (1).

8. An oilfield gathering line descaling device as defined in claim 1, wherein: the middle part of the right end of the cylinder body (702) of the pressurizing turbulence assembly (7) is welded with a connecting joint (8).