CN211215741U - Plunger pump filtering cylinder - Google Patents

Plunger pump filtering cylinder Download PDF

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Publication number
CN211215741U
CN211215741U CN201921662347.7U CN201921662347U CN211215741U CN 211215741 U CN211215741 U CN 211215741U CN 201921662347 U CN201921662347 U CN 201921662347U CN 211215741 U CN211215741 U CN 211215741U
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China
Prior art keywords
pipe
plunger pump
filter cylinder
cylinder body
filter screen
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CN201921662347.7U
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Chinese (zh)
Inventor
于兴才
苏建斌
李智
康绍力
孟祥国
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The application discloses plunger pump filter cylinder belongs to oil field corollary equipment technical field. Plunger pump filter vat includes the filter vat, the feed liquor pipe, the drain pipe, the filter screen, blow off pipe and cleaning brush, wherein, feed liquor pipe and drain pipe are fixed on the lateral wall of filter vat, the blow off pipe is fixed on the diapire of filter vat, the feed liquor pipe, drain pipe and blow off pipe all communicate with each other with the inside of filter vat, the filter screen sets up the inside at the filter vat, the filter screen covers the inlet end at the drain pipe, the play liquid end of drain pipe is used for being connected with the inlet pipe of plunger pump, be provided with the through-hole on the roof of filter vat, the cleaning brush is including brush head and clearance pole, the brush head sets up the inside at the filter vat, the clearance pole passes the through-hole. Adopt this application, need not stop the pump and dismantle the gland from the cylinder body when the clearance, intensity of labour reduces, has improved production efficiency.

Description

Plunger pump filtering cylinder
Technical Field
The application relates to the technical field of oilfield corollary equipment, in particular to a plunger pump filter cylinder.
Background
Currently, oil fields developed by water injection generally adopt a plunger pump to inject oil field sewage into a stratum under pressure so as to increase the pressure of the stratum and maintain the yield of an oil well. In oil field sewage, impurities are often contained, and in order to avoid the impurities entering the plunger pump, a plunger pump filter cylinder is usually required to be installed on an inlet pipeline of the plunger pump.
The plunger pump filtering cylinder in the related technology comprises a liquid inlet pipe, a liquid outlet pipe, a cylinder body, a gland and a filtering net, wherein the liquid inlet pipe and the liquid outlet pipe are fixed on the side wall of the cylinder body and are communicated with the inside of the cylinder body, the filtering net covers the liquid inlet end of the liquid outlet pipe, and the gland is arranged at the top of the cylinder body and seals the cylinder body. When the plunger pump is actually used, the liquid outlet end of the liquid outlet pipe of the plunger pump filtering cylinder is connected with the inlet pipeline of the plunger pump, so that oil field sewage firstly enters the cylinder body through the liquid inlet pipe, then is filtered by the filter screen and then enters the plunger pump through the liquid outlet pipe and the inlet pipeline of the plunger pump.
In carrying out the present application, the applicant has found that the related art has at least the following problems:
in order to prevent the filter screen from being blocked, the filter cylinder of the plunger pump needs to be cleaned frequently. Before every clearance, all need stop the pump earlier then dismantle the gland from the cylinder body, just can clear up plunger pump filter cylinder. Therefore, the plunger pump filter cylinder in the related art is labor-intensive in cleaning, and the production efficiency is reduced by stopping the pump.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a plunger pump filter cylinder, which can solve the technical problem existing in the related technology. The technical scheme of the plunger pump filter cylinder is as follows:
the embodiment of the application provides a plunger pump filter cylinder, plunger pump filter cylinder includes filter cylinder body, feed liquor pipe, drain pipe, filter screen, blow off pipe and cleaning brush, wherein:
the liquid inlet pipe and the liquid outlet pipe are arranged on the side wall of the filtering cylinder body, the sewage discharge pipe is arranged on the bottom wall of the filtering cylinder body, and the liquid inlet pipe, the liquid outlet pipe and the sewage discharge pipe are communicated with the inside of the filtering cylinder body;
the filter screen is arranged inside the filter cylinder body, the filter screen covers the liquid inlet end of the liquid outlet pipe, and the liquid outlet end of the liquid outlet pipe is used for being connected with an inlet pipeline of the plunger pump;
the cleaning brush is characterized in that a through hole is formed in the top wall of the filter cylinder body, the cleaning brush comprises a brush head and a cleaning rod, the brush head is arranged inside the filter cylinder body, and the cleaning rod penetrates through the through hole.
Optionally, the filter cylinder body includes a cylinder body and a gland, the gland blocks an opening of the cylinder body, and the through hole is located on the gland.
Optionally, the gland is in threaded connection with the cylinder body.
Optionally, an internal thread is arranged on the inner side of the through hole, and an external thread matched with the internal thread is arranged on the outer side of the cleaning rod.
Optionally, the plunger pump filtering cylinder further comprises a blow-off valve, and the blow-off valve is installed on the blow-off pipe.
Optionally, the waste valve is mounted on the waste pipe by a thread.
Optionally, the filter screen has cask shape structure, be provided with the blowoff hole on the diapire of filter screen, the blowoff hole with the blow off pipe communicates with each other.
Optionally, the position of feed liquor pipe is higher than the filter screen, the feed liquor end of drain pipe by the lateral wall cover of filter screen.
Optionally, flanges are arranged at the liquid inlet end of the liquid inlet pipe and the liquid outlet end of the liquid outlet pipe.
Optionally, the plunger pump filter cylinder further comprises a hand wheel, and the hand wheel is installed at one end, far away from the brush head, of the cleaning rod.
The technical scheme provided by the embodiment of the application has the following beneficial effects:
the utility model provides a plunger pump filter cylinder, the play liquid end through the drain pipe with plunger pump filter cylinder is connected with the inlet pipe of plunger pump, when appearing remaining impurity in the filter screen of filter cylinder, only need operate inside the rotatory decline of clearance pole makes brush head get into the filter screen, clears away the inside remaining impurity of filter screen, will clear up the pole and lift and will remain impurity and discharge from the blow off pipe. Therefore, the plunger pump filter cylinder that this application embodiment provided need not stop the pump and dismantle the gland from the cylinder body when the clearance, and intensity of labour reduces, has improved production efficiency.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In the drawings:
fig. 1 is a schematic structural diagram of a plunger pump filter cylinder provided in an embodiment of the present application.
Description of the figures
1. The filter vat comprises a filter vat body, 101, a vat body, 102, a gland, 2, a liquid inlet pipe, 3, a liquid outlet pipe, 4, a filter screen, 5, a blow-off pipe, 6, a cleaning brush, 601, a brush head, 602, a cleaning rod, 7, a blow-off valve, 8 and a hand wheel.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples consistent with certain aspects of the present application, as detailed in the appended claims.
The embodiment of the application provides a plunger pump filter vat, as shown in figure 1, plunger pump filter vat includes filter vat body 1, feed liquor pipe 2, drain pipe 3, filter screen 4, blow off pipe 5 and cleaning brush 6, and wherein, feed liquor pipe 2 and drain pipe 3 set up on the lateral wall of filter vat body 1, and blow off pipe 5 sets up on the diapire of filter vat body 1, and feed liquor pipe 2, drain pipe 3 and blow off pipe 5 all communicate with each other with filter vat body 1's inside. The filter screen 4 is arranged in the filter cylinder body 1, the filter screen 4 covers the liquid inlet end of the liquid outlet pipe 3, and the liquid outlet end of the liquid outlet pipe 3 is connected with an inlet pipeline of the plunger pump. The top wall of the filter cylinder body 1 is provided with a through hole, the cleaning brush 6 comprises a brush head 601 and a cleaning rod 602, the brush head 601 is arranged inside the filter cylinder body 1, and the cleaning rod 602 penetrates through the through hole.
Wherein, the filtering cylinder body 1 is a metal cylinder body with a barrel-shaped structure, can be arranged on an inlet pipeline of the plunger pump and is used for filtering impurities in the oilfield sewage and avoiding the impurities from entering the plunger pump.
The liquid inlet pipe 2 is the input end of the filter cylinder body 1. The liquid inlet pipe 2 can be fixed on the side wall of the filtering cylinder body 1, and the liquid inlet pipe 2 is communicated with the inside of the filtering cylinder body 1 and used for inputting oil field sewage so that the oil field sewage enters the inside of the filtering cylinder body 1.
The liquid outlet pipe 3 is the output end of the filter cylinder body 1. The liquid outlet pipe 3 can be fixed on the side wall of the filtering cylinder body 1, and the liquid outlet pipe 3 is communicated with the inside of the filtering cylinder body 1. The liquid outlet end of the liquid outlet pipe 3 is used for being connected with an inlet pipeline of the plunger pump, so that oil field sewage enters the plunger pump from the inside of the filter cylinder body 1 through the liquid outlet pipe 3.
The filter screen 4 is a metal filter screen with densely distributed meshes. The filter screen 4 can be arranged in the filter cylinder body 1, and the filter screen 4 covers the liquid inlet end of the liquid outlet pipe 3. When oil field sewage got into the inside of filtering jar body 1, filtered through filter screen 4, in entering into the plunger pump through drain pipe 3 again, prevented that the impurity in the oil field sewage from getting into in the plunger pump.
The drain pipe 5 refers to a pipe for discharging impurities. The blow-off pipe 5 can be fixed on the bottom wall of the filtering cylinder body 1, and the blow-off pipe 5 is communicated with the inside of the filtering cylinder body 1. After oil field sewage filtered through filter screen 4, filter screen 4 is inside to have remaining impurity, and remaining impurity can be through 5 discharge filter vat bodies 1 of blow off pipe, prevents that filter screen 4 is inside to have remaining impurity to cause the jam.
The cleaning brush 6 is a brush for cleaning residual impurities, and the cleaning brush 6 is in an inverted T shape. The cleaning brush 6 comprises a brush head 601 and a cleaning rod 602, wherein the brush head 601 can be made of round steel, and the cleaning rod 602 can be made of a screw rod.
The brush head 601 is arranged inside the filter cylinder body 1, a through hole is arranged on the top wall of the filter cylinder body 1, and the cleaning rod 602 penetrates through the through hole. The cleaning brush 6 can be formed by welding round steel and a screw rod. The brush head 601 may be formed by drilling densely-spaced recesses in both end surfaces thereof, inserting wires into the recesses, and soldering the wires to form a wire brush. The length between the wire brushes on the two end faces of the brush head 601 may be slightly smaller than the inner diameter of the filter net 4. When residual impurities exist in the filter screen 4, the cleaning brush 6 can be operated to enter the filter screen 4, and the residual impurities blocking the meshes of the filter screen 4 are removed.
In the implementation, the liquid outlet end of the liquid outlet pipe 3 of the plunger pump filter cylinder is connected with the inlet pipeline of the plunger pump, the oilfield sewage enters the cylinder body 101 through the liquid inlet pipe 2, and when residual impurities exist in the filter screen 4, firstly, the cleaning rod 602 is operated to enable the brush head 601 to enter the filter screen 4 from top to bottom. Then, the cleaning rod 602 is rotated to remove the residual impurities blocking the meshes of the filter screen 4 by using the brush head 601. Finally, the cleaning rod 602 is operated to lift the brush head 601, and the removed residual impurities are discharged from the soil discharge pipe 5. The oil field sewage enters the plunger pump through the liquid outlet pipe 3 and the inlet pipeline of the plunger pump.
The utility model provides a plunger pump filter cylinder, the play liquid end through the drain pipe with plunger pump filter cylinder is connected with the inlet pipe of plunger pump, when appearing remaining impurity in the filter screen of filter cylinder, only need operate inside the rotatory decline of clearance pole makes brush head get into the filter screen, clears away the inside remaining impurity of filter screen, will clear up the pole and lift and will remain impurity and discharge from the blow off pipe. Therefore, the plunger pump filter cylinder that this application embodiment provided need not stop the pump and dismantle the gland from the cylinder body when the clearance, and intensity of labour reduces, has improved production efficiency.
Optionally, the filter cylinder body 1 includes a cylinder body 101 and a pressing cover 102, the pressing cover 102 closes an opening of the cylinder body 101, and the through hole is located on the pressing cover 102.
Wherein, the cylinder body 101 is in a cylindrical shape. The gland 102 is a concentric reducing pipe, and is in a step shape, and the concentric reducing pipe refers to a pipe body with the same circle center and different diameters. The through hole is a threaded hole of the small diameter tube of the gland 102.
In an embodiment, an opening is provided at an upper portion of the cylinder 101, and a gland 102 is provided at an upper portion of the cylinder 101 for closing the opening of the cylinder 101. The gland 102 is provided with a through hole through which the cleaning rod 602 passes.
Alternatively, the gland 102 may be threadedly coupled to the cylinder 101.
In implementation, the gland 102 is a concentric reducing pipe, and includes a large-diameter pipe body and a small-diameter pipe body, internal threads are respectively arranged in the pipe bodies, external threads are arranged on the outer side of the upper portion of the cylinder 101, and the large-diameter pipe body of the gland 102 is connected with the cylinder 101 through threads.
Optionally, in order to realize the rotation lifting or descending of the cleaning rod 602, an internal thread is provided inside the through hole, and an external thread matching with the internal thread is provided outside the cleaning rod 602.
In implementation, the inside of the small-diameter pipe body of the gland 102 is provided with an internal thread, the outside of the cleaning rod 602 is provided with an external thread matching with the internal thread, and the cleaning rod 602 passes through a threaded hole, i.e. a through hole, of the small-diameter pipe body through the thread.
Optionally, in order to control the blow-off pipe 5 to discharge residual impurities, the plunger pump filtering cylinder further comprises a blow-off valve 7, and the blow-off valve 7 is installed on the blow-off pipe 5.
Wherein, the blowoff valve 7 can be a ball valve.
In the implementation, can install blowoff valve 7 below blow off pipe 5, when opening blowoff valve 7, blow off pipe 5 switches on, and the inside residual impurity that can clear away of filter screen 4 can be followed and discharged in blow off pipe 5. When the waste valve 7 is closed, the waste pipe 5 is closed.
Optionally, the waste valve 7 may be threadably mounted on the waste pipe 5 for ease of control of the waste valve 7.
Optionally, the filter screen 4 has a barrel-shaped structure, and a sewage discharge hole is formed in the bottom wall of the filter screen 4 and communicated with the sewage discharge pipe 5.
Optionally, the position of the liquid inlet pipe 2 is higher than the filter screen 4, and the liquid inlet end of the liquid outlet pipe 3 is covered by the side wall of the filter screen 4.
In the implementation, in order to realize high feed liquid and low liquid outlet, the side wall of the cylinder 101 can be relatively cut to form a through hole which is staggered up and down and is used for being fixedly connected with the feed liquid pipe 2 and the liquid outlet pipe 3, and the position of the feed liquid pipe 2 is higher than that of the liquid outlet pipe 3. In order to ensure that the oil field sewage input by the liquid inlet pipe 2 completely enters the filter screen 4, the position of the liquid inlet pipe 2 can be higher than that of the filter screen 4. In order to prevent residual impurities in the filter screen 4 from entering the liquid outlet pipe 3, the liquid inlet end of the liquid outlet pipe 3 is covered by the side wall of the filter screen 4.
The plunger pump filter cylinder that this application embodiment provided is higher than filter screen 4 through the position that makes feed liquor pipe 2, has realized that the height feed liquor is low to go out liquid. The liquid inlet end of the liquid outlet pipe 3 is covered by the side wall of the filter screen 4, so that residual impurities in the filter screen 4 are prevented from entering the plunger pump from the liquid outlet end of the liquid outlet pipe 3.
Optionally, flanges are arranged at the liquid inlet end of the liquid inlet pipe 2 and the liquid outlet end of the liquid outlet pipe 3.
In implementation, the liquid inlet end of the liquid inlet pipe 2 and the liquid outlet end of the liquid outlet pipe 3 can be an integrated body formed by welding a round pipe and a flange. Thereby, make things convenient for being connected of drain pipe 3 and the inlet pipeline of plunger pump, make things convenient for being connected of feed liquor pipe 2 and other pipelines, for example, be connected feed liquor pipe 2 and sewage suction pipeline.
Optionally, to facilitate the operation of the cleaning brush 6, the plunger pump filter cylinder may further comprise a hand wheel 8, the hand wheel 8 being mounted at an end of the cleaning rod 602 remote from the brush head 601.
In an implementation, the top of the cleaning rod 602 may be provided with a prism shape, and the handwheel 8 may be provided with a prism shape to be sleeved on the prism at the top of the cleaning rod 602.
For example, the top of the cleaning rod 602 may be hexagonal prism, and the hand wheel 8 may be a gate hand wheel with a hexagonal hole at the center, which is sleeved on the hexagonal prism at the top of the cleaning rod 602.
When the filter screen 4 is blocked, the hand wheel 8 can be rotated clockwise, the cleaning brush 6 is rotated from top to bottom to enter the filter screen 4, and the steel wire brush of the brush head 601 is utilized to remove the residual impurities blocking the meshes of the filter screen 4. And the hand wheel 8 is rotated anticlockwise to lift the cleaning brush 6.
The working process of the plunger pump filter cylinder provided by the embodiment of the application can be as follows:
technical staff can install this plunger pump filter cylinder on the inlet pipeline of plunger pump, and inside oil field sewage got into cylinder body 101 through the inlet liquor end of feed liquor pipe 2, filtered through filter screen 4, filter screen 4 is inside probably to have residual impurity, when filter screen 4 is inside when appearing remaining impurity blocking's phenomenon, can in time clear up filter screen 4 in the plunger pump filter cylinder. Firstly, the hand wheel 8 is rotated to rotate the cleaning brush 6 from top to bottom into the filter screen 4. Then, the hand wheel 8 can be rotated to drive the cleaning brush 6 to rotate up and down in a reciprocating manner, and the steel wire brushes at the two ends of the brush head 601 are used for removing residual impurities blocking meshes of the filter screen 4. And finally, opening the blow-down valve 7, and discharging the residual impurities from the blow-down pipe 5, so that the aim of timely cleaning the residual impurities in the filter screen 4 without stopping the pump to disassemble the filter cylinder body 1 is fulfilled.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. The utility model provides a plunger pump filter cylinder, its characterized in that, plunger pump filter cylinder includes filter cylinder body (1), feed liquor pipe (2), drain pipe (3), filter screen (4), blow off pipe (5) and cleaning brush (6), wherein:
the liquid inlet pipe (2) and the liquid outlet pipe (3) are arranged on the side wall of the filtering cylinder body (1), the sewage discharge pipe (5) is arranged on the bottom wall of the filtering cylinder body (1), and the liquid inlet pipe (2), the liquid outlet pipe (3) and the sewage discharge pipe (5) are communicated with the inside of the filtering cylinder body (1);
the filter screen (4) is arranged inside the filter cylinder body (1), the filter screen (4) covers the liquid inlet end of the liquid outlet pipe (3), and the liquid outlet end of the liquid outlet pipe (3) is connected with an inlet pipeline of the plunger pump;
the cleaning brush is characterized in that a through hole is formed in the top wall of the filter cylinder body (1), the cleaning brush (6) comprises a brush head (601) and a cleaning rod (602), the brush head (601) is arranged inside the filter cylinder body (1), and the cleaning rod (602) penetrates through the through hole.
2. Plunger pump filter cylinder according to claim 1, characterised in that the filter cylinder body (1) comprises a cylinder body (101) and a gland (102), the gland (102) closing off the opening of the cylinder body (101), the through hole being located on the gland (102).
3. Plunger pump filter cylinder according to claim 2, characterised in that the gland (102) is screwed to the cylinder block (101).
4. Plunger pump filter cylinder according to claim 2, characterised in that the through hole is provided with an internal thread on the inside and the cleaning rod (602) is provided with an external thread on the outside matching the internal thread.
5. A plunger pump filter cylinder as claimed in claim 1, characterized in that the plunger pump filter cylinder further comprises a blow-off valve (7), which blow-off valve (7) is mounted on the blow-off pipe (5).
6. A plunger pump filter cylinder as claimed in claim 5, characterised in that the waste valve (7) is mounted on the waste pipe (5) by means of a screw thread.
7. The plunger pump filter cylinder as claimed in claim 1, characterized in that the filter screen (4) has a cylindrical structure, and a sewage draining hole is arranged on the bottom wall of the filter screen (4) and communicated with the sewage draining pipe (5).
8. Plunger pump filter cylinder according to claim 7, characterised in that the inlet pipe (2) is located higher than the filter screen (4), the inlet end of the outlet pipe (3) being covered by the side wall of the filter screen (4).
9. Plunger pump filter cylinder according to claim 1, characterised in that the inlet end of the inlet pipe (2) and the outlet end of the outlet pipe (3) are provided with flanges.
10. Plunger pump filter cylinder according to claim 1, characterised in that it further comprises a handwheel (8), which handwheel (8) is mounted at the end of the clearing rod (602) remote from the brush head (601).
CN201921662347.7U 2019-09-30 2019-09-30 Plunger pump filtering cylinder Active CN211215741U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921662347.7U CN211215741U (en) 2019-09-30 2019-09-30 Plunger pump filtering cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921662347.7U CN211215741U (en) 2019-09-30 2019-09-30 Plunger pump filtering cylinder

Publications (1)

Publication Number Publication Date
CN211215741U true CN211215741U (en) 2020-08-11

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ID=71940096

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921662347.7U Active CN211215741U (en) 2019-09-30 2019-09-30 Plunger pump filtering cylinder

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CN (1) CN211215741U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113019704A (en) * 2021-04-08 2021-06-25 益琨(泉州)环保技术开发有限公司 Non-leakage tar electric catcher for industrial production waste gas treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113019704A (en) * 2021-04-08 2021-06-25 益琨(泉州)环保技术开发有限公司 Non-leakage tar electric catcher for industrial production waste gas treatment

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