CN216537488U

CN216537488U - Filter

Info

Publication number: CN216537488U
Application number: CN202123264287.3U
Authority: CN
Inventors: 刘振前; 刘梦瑶; 李云玉; 张大林
Original assignee: CECEP TECHNOLOGY INVESTMENT CO LTD; CECEP Engineering Technology Research Institute Co Ltd
Current assignee: CECEP TECHNOLOGY INVESTMENT CO LTD; CECEP Engineering Technology Research Institute Co Ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-17
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to the technical field of filters, and discloses a filter, which comprises a filtering structure and a cleaning structure, wherein the filtering structure comprises a shell and a filter screen, the filter screen is arranged in the shell, the space in the filter screen is a first space, the space between the filter screen and the shell is a second space, the shell is provided with an inlet and an outlet, the inlet is directly communicated with the first space, and the outlet is directly communicated with the second space; the filter provided by the utility model solves the problem that a filter screen needs to be manually cleaned or replaced by a filter device adopted by a crude oil conveying system in the prior art, and the working efficiency is low.

Description

Filter

Technical Field

The utility model relates to the technical field of filters, in particular to a filter.

Background

The oil-gas mixed transportation pipeline is a pipeline for transporting crude oil and associated gas produced by one or more oil wells through one pipeline, and oil well products dispersed in each part of an oil field are collected and separated into crude oil, associated natural gas and produced water, and the crude oil, the associated natural gas and the produced water are subjected to necessary purification and processing treatment to become oil field commodities.

The existing oil-gas mixed conveying pipeline conveys gas-liquid and impurities, such as sand, together, the pipeline is easy to block, meanwhile, the viscosity of the crude oil is increased by associated gas in the crude oil, so that a large amount of energy loss exists in the crude oil in the transportation process, in order to solve the above technical problems, in the prior art, the distance for crude oil to circulate is increased in a limited space in the Chinese utility model patent with patent number 201821955983.4 and the name of oil gas gathering and filtering device, solid particles in the crude oil are further filtered through the shell and the filter plate, the water in the crude oil is removed through the macromolecular water-absorbing resin in the shell, then the associated gas in the crude oil is discharged through the inner baffle plate, thereby realizing the comprehensive filtration, dehydration and degassing of the crude oil in a limited space, thereby reducing the viscosity of crude oil, avoiding pipeline blockage and reducing energy loss in the conveying process.

Although filtration has been realized to a certain extent in above-mentioned technique, because its filtration structural design only adopts traditional filter plate structure, need the manual work to clear up or change it after the deposit filth on the filter board, and also need halt the transport to crude oil this moment, work efficiency also can receive the influence simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filter, which solves the problem that a filtering device adopted by a crude oil conveying system in the prior art needs to manually clean or replace a filtering net, so that the working efficiency is low.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a filter comprises a filtering structure and a cleaning structure, wherein the filtering structure comprises a shell and a filter screen, the filter screen is arranged in the shell, the space in the filter screen is a first space, the space between the filter screen and the shell is a second space, the shell is provided with an inlet and an outlet, the inlet is directly communicated with the first space, and the outlet is directly communicated with the second space;

the clearance structure includes the blow off pipe and is used for driving the drive arrangement that the blow off pipe goes up and down, the blow off pipe includes the standpipe and violently manages, the standpipe with violently manage inside intercommunication and the two rotates and be connected, the standpipe stretches out outside the casing after first space and second space in proper order, the standpipe stretches out the outer part of casing and is equipped with the drain, the tip of violently managing is equipped with the soil pick-up mouth, violently manage and just have two for blade flat tubular construction, violently manage and be the flabellum and describe along standpipe circumference evenly distributed.

Specifically, the lower extreme of filter screen is the opening form, and the import directly communicates with first space, and crude oil gets into first space at first after the import gets into, later filters through the filter screen, and through filterable crude oil entering second space, discharge through the export at last, realize the filtration to the crude oil transportation in-process. After the filter screen is used for a certain time, dirt can be deposited on the inner wall of the filter screen and needs to be cleaned in time.

This technical scheme, in daily crude oil transportation process, the clearance structure is located the top in first space, and the clearance structure is out of work, when needing the clearance, then need open the drain and do elevating movement through drive arrangement drive blow off pipe, can accomplish the clearance to the filter screen.

Furthermore, for the rotation of standpipe and violently pipe is connected and inside intercommunication between the two, the position that standpipe and violently pipe rotate to be connected is equipped with the communicating structure.

Further, in order to achieve an even cleaning effect, the filter screen is coaxially arranged in the housing, and the standpipe is located in the middle of the filter screen, namely, in the middle of the first space and the second space.

Further, in order to achieve a better dirt suction effect, the dirt suction opening is open.

Furthermore, in order to provide a rotation communicating structure, the communicating structure includes a rotation sleeve rotatably connected with the vertical pipe, an annular groove formed in the vertical pipe, a first communicating hole communicated with the interior of the vertical pipe, and a second communicating hole communicated with the interior of the horizontal pipe, the horizontal pipe is arranged on the rotation sleeve, the first communicating hole is located in the annular groove, and the second communicating hole is arranged on the rotation sleeve.

Furthermore, in order to achieve a better rotating effect, at least two transverse pipes are uniformly distributed along the circumferential direction of the rotating sleeve.

Further, in order to provide another rotation communicating structure, the communicating structure comprises a rotating head which is rotatably connected with the vertical pipe, the transverse pipe is arranged on the rotating head, and the rotating head is respectively communicated with the vertical pipe and the transverse pipe.

Furthermore, in order to realize the lifting drive of the vertical pipe, the driving device is an air cylinder or a telescopic motor, the driving end of the air cylinder or the telescopic motor is connected with the upper end of the vertical pipe, and the sewage draining outlet is formed in the position close to the upper end of the vertical pipe.

Furthermore, in order to realize the control of the sewage draining exit, a control valve is arranged at the sewage draining exit.

Further, in order to achieve a better dirt suction effect, the dirt suction port is opposite to the inner side wall of the filter screen, and the dirt suction port is close to the inner wall of the filter screen. The sewage suction port and the inner wall of the filter screen are provided with a certain gap, so that the rotation of the transverse pipe cannot be influenced, but the gap cannot be too large, and the sewage suction effect is influenced.

The specific cleaning process of the utility model is as follows: the sewage draining port is opened, and the pressure in the shell is far greater than the external pressure of the sewage draining port due to the continuous conveying of the crude oil, so that the dirt on the filter screen can be sucked into the transverse pipe and the vertical pipe through the sewage sucking port and finally discharged from the sewage draining port; simultaneously, because the filth deposit is at the inner wall of filter screen, under the great condition of casing internal pressure, the liquid in second space also can be reverse to flow towards the direction of soil pick-up mouth, consequently also realizes the backwash to the filter screen, can reach better clearance effect. The vertical pipe is communicated with the inside of the horizontal pipe and is rotationally connected with the horizontal pipe, and the horizontal pipe is uniformly distributed in a fan-blade shape along the circumferential direction of the vertical pipe; the driving device drives the vertical pipe to drive the horizontal pipe to move downwards, thorough cleaning of dirt in the filter screen in the height direction can be achieved simultaneously, complete cleaning is completed when the horizontal pipe moves to the position, close to an inlet, of the bottom of the filter screen, then the horizontal pipe moves upwards in a reverse driving mode, cleaning of the inner wall of the filter screen is achieved again when the horizontal pipe is reset, and a better cleaning effect can be achieved.

To sum up, this technical scheme can realize the clearance to the filter screen automatically, need not artifical clearance, and at the clearance in-process, need not the transport of pause crude oil, can guarantee work efficiency.

Drawings

FIG. 1 is a schematic structural view of a first state of the present invention;

FIG. 2 is a schematic structural diagram of a second state of the present invention;

FIG. 3 is a schematic view of the connection between a cross tube and a vertical tube according to the first embodiment of the present invention;

FIG. 4 is a schematic view of the connection between a cross tube and a vertical tube according to a second embodiment of the present invention;

fig. 5 is a schematic view of the third embodiment of the present invention showing the connection between the cross tube and the vertical tube.

In the figure: a housing 1; a filter screen 2; a first space 3; a second space 4; an inlet 5; an outlet 6; a vertical tube 7; a cross tube 8; a sewage draining outlet 9; a soil suction port 10; a rotating sleeve 11; an annular groove 12; a first communication hole 13; the second communication hole 14; a rotating head 15; a drive device 16.

Detailed Description

Example 1:

as shown in fig. 1-5, the present embodiment provides a filter, which includes a filtering structure and a cleaning structure, the filtering structure includes a housing 1 and a filter screen 2, the filter screen 2 is disposed in the housing 1, a space in the filter screen 2 is a first space 3, a space between the filter screen 2 and the housing 1 is a second space 4, the housing 1 has an inlet 5 and an outlet 6, the inlet 5 is directly communicated with the first space 3, and the outlet 6 is directly communicated with the second space 4;

the clearance structure includes the blow off pipe and is used for driving drive arrangement 16 that the blow off pipe goes up and down, the blow off pipe includes standpipe 7 and violently manages 8, standpipe 7 with violently manage 8 inside intercommunications and the two rotates and be connected, standpipe 7 stretches out outside casing 1 after first space 3 and second space 4 in proper order, standpipe 7 stretches out the part outside casing 1 and is equipped with drain 9, it is concrete, violently manage 8 in-process that carries out the lift removal in first space 3, drain 9 is located casing 1 outside throughout, the tip of violently managing 8 is equipped with inhales dirty mouthful 10, violently manage 8 and have two for the flat tubular construction of blade form and have at least, this embodiment is provided with two and violently manages, violently manage 8 and be the fan blade form along 7 circumference evenly distributed of standpipe.

Specifically, the lower extreme of filter screen 2 is the opening form, and import 5 and first space 3 direct intercommunication, and crude oil at first gets into first space 3 after 5 entering of import, later filters through filter screen 2, and filtered crude oil gets into second space 4, discharges through export 6 at last, realizes the filtration to among the crude oil transportation process. After the filter screen is used for a certain time, dirt can be deposited on the inner wall of the filter screen 2 and needs to be cleaned in time.

This technical scheme, in daily crude oil transportation process, the clearance structure is located the top of first space 3, and the clearance structure is out of work, when needing the clearance, then need open drain 9 and do elevating movement through 16 drive blow off pipes of drive arrangement, can accomplish the clearance to filter screen 2. The specific cleaning process is as follows: the drain outlet 9 is opened, and because the crude oil is continuously conveyed, the pressure in the shell 1 is far greater than the external pressure of the drain outlet 9, so that the dirt on the filter screen 2 is sucked into the transverse pipe 8 and the vertical pipe 7 through the dirt suction port 10 and is finally discharged from the drain outlet 9; meanwhile, due to the fact that the dirt is deposited on the inner wall of the filter screen 2, under the condition that the pressure in the shell 1 is large, the liquid in the second space 4 can flow in the direction towards the dirt suction port 10 in the reverse direction, reverse flushing of the filter screen 2 is achieved, and a better cleaning effect can be achieved. The vertical pipe 7 is communicated with the inside of the transverse pipe 8 and the transverse pipe 8 is rotationally connected with the vertical pipe and the transverse pipe 8, the transverse pipe 8 is in a fan-shaped shape and is uniformly distributed along the circumferential direction of the vertical pipe 7, the transverse pipe 8 in the fan-shaped distribution can be driven to rotate around the vertical pipe 7 in the crude oil conveying process, and the end part of the transverse pipe 8 is provided with the sewage suction port 10, so that the transverse pipe 8 rotates, the position of the sewage suction port 10 moves along the circumferential direction of the inner wall of the filter screen 2, and the circumferential cleaning of the inner wall of the filter screen 2 is realized; 16 drive standpipe 7 of drive device drives violently pipe 8 move down, then can realize simultaneously the thorough clearance to filth in the filter screen 2 on the direction of height, move to filter screen 2 bottom and just accomplish a complete clearance near the position of import 5 until violently pipe 8, later move on violently pipe 8 in reverse drive, also realize once more the clearance to 2 inner walls of filter screen when realizing violently pipe 8 resets, can reach better clearance effect.

To sum up, this technical scheme can realize the clearance to filter screen 2 automatically, need not artifical clearance, and at the clearance in-process, need not the transport of pause crude oil, can guarantee work efficiency.

Example 2:

this embodiment is optimized based on embodiment 1 described above.

For the standpipe 7 with violently be connected and inside intercommunication between the two in the rotation of pipe 8, the standpipe 7 is equipped with the communicating structure with violently the position that pipe 8 rotated and is connected.

Example 3:

this embodiment is optimized based on embodiment 2 described above.

In order to achieve a uniform cleaning effect, the filter screen 2 is arranged coaxially in the housing 1, and the standpipe 7 is located in the middle of the filter screen 2, i.e. in the middle of the first space 3 and the second space 4.

Example 4:

this embodiment is optimized based on embodiment 3 described above.

In order to achieve a better dirt suction effect, the dirt suction port 10 is open.

Example 5:

this embodiment is optimized based on embodiment 4 described above.

As shown in fig. 3, in order to provide a rotary communicating structure, the communicating structure comprises a rotary sleeve 11 rotatably connected with the vertical pipe 7, an annular groove 12 arranged on the vertical pipe 7, a first communicating hole 13 communicated with the interior of the vertical pipe 7, and a second communicating hole 14 communicated with the interior of the horizontal pipe 8, wherein the horizontal pipe 8 is arranged on the rotary sleeve 11, the first communicating hole 13 is positioned in the annular groove 12, and the second communicating hole 14 is arranged on the rotary sleeve 11.

Example 6:

this embodiment is optimized based on embodiment 5 described above.

For a better rotation, the transverse tubes 8 are at least two and are distributed uniformly along the circumference of the rotating sleeve 11, and two transverse tubes 8 are provided in the present embodiment.

Example 7:

this embodiment is optimized based on embodiment 4 described above.

As shown in fig. 4 and 5, in order to provide another rotary communication structure, the communication structure comprises a rotary head 15 rotatably connected with the vertical pipe 7, the horizontal pipe 8 is arranged on the rotary head 15, and the rotary head 15 is respectively communicated with the vertical pipe 7 and the horizontal pipe 8.

Example 8:

this embodiment is optimized based on

embodiment

6 or 7 described above.

In order to realize the lifting drive of the vertical pipe 7, the driving device 16 is an air cylinder or a telescopic motor, the driving end of the air cylinder or the telescopic motor is connected with the upper end of the vertical pipe 7, and the sewage outlet 9 is arranged at the position close to the upper end of the vertical pipe 7.

Example 9:

this embodiment is optimized based on embodiment 8 described above.

In order to realize the control of the sewage draining outlet 9, a control valve is arranged at the sewage draining outlet 9.

Example 10:

this embodiment is optimized based on embodiment 9 described above.

In order to achieve a better dirt suction effect, the dirt suction port 10 is over against the inner side wall of the filter screen 2, and the dirt suction port 10 is close to the inner wall of the filter screen 2. The dirt suction port 10 and the inner wall of the filter screen 2 are provided with a certain gap, so that the rotation of the transverse pipe 8 can be ensured not to be influenced, but the gap cannot be too large, and the dirt suction effect is influenced.

Finally, it should be noted that: the above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter, characterized by: the filter structure comprises a shell and a filter screen, the filter screen is arranged in the shell, the space in the filter screen is a first space, the space between the filter screen and the shell is a second space, the shell is provided with an inlet and an outlet, the inlet is directly communicated with the first space, and the outlet is directly communicated with the second space;

2. A filter according to claim 1, wherein: and a communicating structure is arranged at the position where the vertical pipe is rotatably connected with the transverse pipe.

3. A filter according to claim 1, wherein: the filter screen is coaxially arranged in the shell.

4. A filter according to claim 1, wherein: the sewage suction port is open.

5. A filter according to claim 2, wherein: the communicating structure comprises a rotating sleeve rotatably connected with the vertical pipe, an annular groove formed in the vertical pipe, a first communicating hole communicated with the interior of the vertical pipe, and a second communicating hole communicated with the interior of the horizontal pipe, the horizontal pipe is arranged on the rotating sleeve, the first communicating hole is located in the annular groove, and the second communicating hole is formed in the rotating sleeve.

6. A filter according to claim 5, wherein: the horizontal pipes are at least two and are uniformly distributed along the circumferential direction of the rotating sleeve.

7. A filter according to claim 2, wherein: the communicating structure comprises a rotating head which is rotatably connected with the vertical pipe, the transverse pipe is arranged on the rotating head, and the rotating head is respectively communicated with the vertical pipe and the transverse pipe.

8. A filter according to claim 1, wherein: the driving device is an air cylinder or a telescopic motor, the driving end of the air cylinder or the telescopic motor is connected with the upper end of the vertical pipe, and the sewage draining outlet is formed in the position close to the upper end of the vertical pipe.

9. A filter according to claim 1, wherein: and a control valve is arranged at the sewage draining port.

10. A filter according to claim 1, wherein: the sewage suction port is opposite to the inner side wall of the filter screen, and the sewage suction port is close to the inner wall of the filter screen.