CN211987373U

CN211987373U - Filter for oil exploitation

Info

Publication number: CN211987373U
Application number: CN202020699163.4U
Authority: CN
Inventors: 杨博; 王庆旭
Original assignee: Qingcheng Weitai Engineering Co ltd
Current assignee: Qingcheng Weitai Engineering Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-11-24
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a filter for oil development, include: the device comprises a shell, a filter basket and a cleaning mechanism; a liquid inlet is formed in the upper part of the shell, a liquid outlet is formed in the lower part of the shell, a sewage discharge outlet is formed in the bottom of the shell, and valves are arranged at the liquid inlet, the liquid outlet and the sewage discharge outlet; the filter basket is coaxially arranged in the shell, a seal is formed between the upper edge of the filter basket and the shell, so that an annular cavity is formed between the filter basket and the shell, the liquid inlet is communicated with the interior of the filter basket, the liquid outlet is communicated with the annular cavity, and the sewage discharge outlet is communicated with the interior of the filter basket; the cleaning mechanism comprises a screw rod and brooms, the screw rod is coaxially arranged in the filter basket, the upper section of the screw rod penetrates out of the top of the shell and is in threaded connection with the top, the brooms are annularly arranged at the lower ends of the screw rod, and the brushing ends of the brooms are in contact with the inner peripheral wall of the filter basket. The utility model discloses a mode of back flush washs, and it is convenient to wash, and abluent effectual.

Description

Filter for oil exploitation

Technical Field

The utility model relates to a petroleum equipment technical field, concretely relates to a filter for oil development.

Background

The oil in the oil well contains a large amount of impurities, and in the process of extracting and conveying the oil, solid impurities contained in materials are often required to be filtered through a filter, so that the damage or blockage of equipment and pipe fittings caused after the solid impurities enter the device is prevented, and the safety and the service cycle of related equipment are further protected.

The basket filter is a filter commonly used in oil exploitation, and traditional basket filter includes casing and filter basket, and the filter basket setting is in the casing, and the casing is provided with inlet and liquid outlet, and oil well output liquid flows into the casing from the inlet, filters through the filter basket, flows out by the liquid outlet at last, accomplishes the filtration of oil well output liquid, and impurity in the oil is detained in the filter basket, when wasing the filter, need take out the filter basket from the casing, and it is very troublesome to wash.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a filter for oil development to wash through the mode of back flush, it is convenient to wash, and abluent effectual.

The utility model provides a filter for oil exploitation, which comprises a shell, wherein the upper part of the shell is provided with a liquid inlet, the lower part of the shell is provided with a liquid outlet, the bottom of the shell is provided with a sewage discharge outlet, and the liquid inlet, the liquid outlet and the sewage discharge outlet are respectively provided with a valve; the filter basket is coaxially arranged in the shell, a seal is formed between the upper edge of the filter basket and the shell, so that an annular cavity is formed between the filter basket and the shell, the liquid inlet is communicated with the inside of the filter basket, the liquid outlet is communicated with the annular cavity, and the sewage discharge outlet is communicated with the inside of the filter basket; the cleaning mechanism comprises a lead screw and brooms, the lead screw is coaxially arranged in the filter basket, the upper section of the lead screw penetrates out of the top of the shell and is in threaded connection with the lead screw, the brooms are annularly arranged at the lower ends of the lead screw, and the brushing ends of the brooms are in contact with the inner peripheral wall of the filter basket.

Furthermore, the lower end of the filter basket is an opening, an annular bayonet is arranged on the inner side of the bottom of the shell, and the lower end of the filter basket is inserted into the annular bayonet.

Furthermore, the upper end of the filter basket is provided with an outer edge, the inner peripheral wall of the filter basket is positioned between the liquid inlet and the liquid outlet and is provided with a support ring, and the outer edge of the filter basket is supported on the support ring.

Further, be equipped with the clamping ring directly over straining the outer edge of basket, the clamping ring is fixed in through the connecting rod the lead screw, the clamping ring can compress tightly on straining the outer edge of basket, and when the clamping ring pressed on straining the outer edge of basket, the broom was located the bottom of straining the basket.

Furthermore, a sealing ring is arranged between the outer edge of the filter basket and the support ring.

Furthermore, the top of the shell is provided with a detachable sealing cover, and the screw rod is in threaded connection with the sealing cover.

Further, the sealing cover and the shell are fixed through bolts.

Further, a handle is arranged outside the sealing cover.

The utility model has the advantages that: during filtering, the drain is closed, inlet and liquid outlet are opened, impurity in the oil is detained in straining the basket, when wasing the filter, the inlet is closed, drain and liquid outlet are opened, reverse injection washing liquid in to the filter through the liquid outlet, rotate the lead screw simultaneously, the broom goes up and down along with the lead screw spiral, the internal perisporium of straining the basket is cleaned to the brush hair end pair of broom, the sewage that the washing produced is discharged from the drain, this application adopts the mode of back flush to wash, it is convenient to wash, and, the in-process of washing cleans through the broom, abluent effectual.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of the present embodiment during filtration;

fig. 2 is a schematic structural view of the cleaning process of the present embodiment.

In the drawings, 10-housing; 11-a liquid inlet; 12-a liquid outlet; 13-a sewage draining outlet; 14-annular bayonet; 15-a support ring; 16-a sealing cover; 17-a bolt; 18-a handle; 20-a filter basket; 21-outer edge; 30-a cleaning mechanism; 31-a screw rod; 32-broom; 40-a pressure ring; 41-connecting rod; 50-sealing ring.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following embodiments are merely used to more clearly illustrate the technical solutions of the present embodiments, and therefore, the following embodiments are only used as examples, and the protection scope of the present embodiments is not limited thereby.

As shown in fig. 1-2, embodiments of the present invention provide a filter for oil production, including a housing 10, a filter basket 20, and a cleaning mechanism 30.

A liquid inlet 11 is arranged at the upper part of the shell 10, a liquid outlet 12 is arranged at the lower part of the shell 10, a sewage draining outlet 13 is arranged at the bottom of the shell 10, and valves (not shown in the figure) are arranged at the liquid inlet 11, the liquid outlet 12 and the sewage draining outlet 13.

Filter basket 20 is located in the casing 10 coaxially, forms sealedly between the reason of straining basket 20 and the casing 10 for form annular cavity between filter basket 20 and the casing 10, inlet 11 and filter basket 20's inside intercommunication, liquid outlet 12 and annular cavity intercommunication, drain 13 and filter basket 20's inside intercommunication.

The cleaning mechanism 30 comprises a screw rod 31 and brooms 32, the screw rod 31 is coaxially arranged in the filter basket 20, the upper section of the screw rod 31 penetrates out of the top of the shell 10 and is in threaded connection with the top, the brooms 32 are annularly arranged at the lower end of the screw rod 31, and the bristle ends of the brooms 32 are in contact with the inner peripheral wall of the filter basket 20.

As shown in fig. 1, during filtering, the drain 13 is closed, the liquid inlet 11 and the liquid outlet 12 are opened, impurities in petroleum are retained in the filter basket 20, as shown in fig. 2, during cleaning of the filter, the liquid inlet 11 is closed, the drain 13 and the liquid outlet 12 are opened, cleaning liquid is reversely injected into the filter through the liquid outlet 12, the screw rod 31 is rotated simultaneously, the broom 32 spirally rises along with the screw rod 31, the brush end of the broom 32 cleans the inner peripheral wall of the filter basket 20, sewage generated by cleaning is discharged from the drain 13, the cleaning is performed in a back flushing mode, the cleaning is convenient, in addition, the cleaning is performed through the broom 32 in the cleaning process, and the cleaning effect is good.

In this embodiment, the lower end of the filter basket 20 is an opening, the inner side of the bottom of the casing 10 is provided with the annular bayonet 14, and the lower end of the filter basket 20 is inserted into the annular bayonet 14, so that the sealing performance between the lower end of the filter basket 20 and the casing 10 can be ensured, and the annular bayonet 14 can also play a certain role in fixing the filter basket 20.

Preferably, the upper end of the filter basket 20 is open and provided with an outer rim 21, the inner peripheral wall of the filter basket 20 between the liquid inlet 11 and the liquid outlet 12 is provided with a support ring 15, and the outer rim 21 of the filter basket 20 is supported on the support ring 15, so that the sealing between the upper rim of the filter basket 20 and the housing 10 can be realized. In order to improve the sealing between the upper edge of the filter basket 20 and the housing 10, a sealing ring 50 is provided between the outer rim 21 of the filter basket 20 and the support ring 15.

More preferably, a press ring 40 is arranged right above the outer edge 21 of the filter basket 20, the press ring 40 is fixed on the screw rod 31 through a connecting rod 41, the press ring 40 can be pressed on the outer edge 21 of the filter basket 20, and when the press ring 40 is pressed on the outer edge 21 of the filter basket 20, the broom 32 is positioned at the bottom of the filter basket 20, so that the press ring 40 is pressed on the filter basket 20 in the filtering process, the press ring 20 is further ensured to be pressed between the outer edge 21 of the filter basket 20 and the support ring 15, and impurities in oil are prevented from flowing between the outer edge 21 of the filter basket 20 and the support ring 15 to influence the filtering effect.

In this embodiment, the top of the housing 10 is provided with a detachable sealing cover 16, and the screw rod 31 is screwed with the sealing cover 16, so that the sealing cover 16 can be detached to repair and replace the filter basket 20 and the cleaning mechanism 30. Preferably, the sealing cover 16 is fixed to the housing 10 by bolts 17. To facilitate removal of the seal cap 16, the exterior of the seal cap 16 is provided with a handle 18.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present embodiment, and not for limiting the same; although the present embodiment has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solutions of the embodiments of the present embodiment, and all of them should be covered in the claims and the specification of the present embodiment.

Claims

1. A filter for oil production, comprising:

the device comprises a shell, wherein a liquid inlet is formed in the upper part of the shell, a liquid outlet is formed in the lower part of the shell, a sewage discharge outlet is formed in the bottom of the shell, and valves are arranged at the liquid inlet, the liquid outlet and the sewage discharge outlet;

the filter basket is coaxially arranged in the shell, a seal is formed between the upper edge of the filter basket and the shell, so that an annular cavity is formed between the filter basket and the shell, the liquid inlet is communicated with the inside of the filter basket, the liquid outlet is communicated with the annular cavity, and the sewage discharge outlet is communicated with the inside of the filter basket;

the cleaning mechanism comprises a lead screw and brooms, the lead screw is coaxially arranged in the filter basket, the upper section of the lead screw penetrates out of the top of the shell and is in threaded connection with the lead screw, the brooms are annularly arranged at the lower ends of the lead screw, and the brushing ends of the brooms are in contact with the inner peripheral wall of the filter basket.

2. The filter for oil extraction according to claim 1, wherein the lower end of the filter basket is open, an annular bayonet is provided on the inner side of the bottom of the housing, and the lower end of the filter basket is inserted into the annular bayonet.

3. The filter for use in oil extraction as recited in claim 2 in which the upper end of the filter basket is open and has an outer edge, and a support ring is provided on the inner peripheral wall of the filter basket between the inlet and outlet ports, the outer edge of the filter basket being supported on the support ring.

4. The filter for oil extraction according to claim 3, wherein a press ring is provided directly above the outer edge of the filter basket, the press ring is fixed to the lead screw through a connecting rod, the press ring can be pressed against the outer edge of the filter basket, and the broom is located at the bottom of the filter basket when the press ring is pressed against the outer edge of the filter basket.

5. A filter for use in oil extraction according to claim 3 or 4, wherein a sealing ring is provided between the outer rim of the filter basket and the support ring.

6. The filter for oil exploitation according to claim 1, wherein a removable sealing cap is provided on a top of the housing, and the screw is threadedly coupled to the sealing cap.

7. The filter for oil extraction according to claim 6, wherein the sealing cover is fixed to the housing by bolts.

8. A filter for oil extraction according to claim 6 or 7, characterized in that the sealing cover is provided with a handle on the outside.