CN111437645A

CN111437645A - Filter

Info

Publication number: CN111437645A
Application number: CN201910045288.7A
Authority: CN
Inventors: 彭党生; 赵腾飞; 郭勇; 娄长辉; 王帅星
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2020-07-24

Abstract

The present invention provides a filter comprising: the filter body comprises an upper tank body and a lower tank body, and the lower tank body is positioned below the upper tank body and is connected with the upper tank body; wherein, the side wall of the lower tank body is provided with a liquid inlet pipe, and the side wall of the upper tank body is provided with a liquid outlet pipe; and the filtering assembly is arranged in the filter body and is positioned between the liquid inlet pipe and the liquid outlet pipe, so that the liquid entering the filter body from the liquid inlet pipe flows out from the liquid outlet pipe after the filtering effect of the filtering assembly. The filter solves the problem of poor filtering effect of the filter in the prior art.

Description

Filter

Technical Field

The invention relates to the field of petroleum, in particular to a filter.

Background

At present, a filter arranged in a water injection dosing room of an oil field of an overland beam mainly comprises a cylindrical filter screen, and can filter impurities with particle sizes larger than the aperture of the filter screen.

However, the main impurities causing the failure of the dosing pump and the dosing pipeline are silt in the solid-phase medicament, and the particle size of the silt is smaller than the aperture of the filter screen of the filter, so that the filter has a poor effect of filtering impurities such as the silt.

Disclosure of Invention

The invention mainly aims to provide a filter to solve the problem that the filter in the prior art is poor in filtering effect.

In order to achieve the above object, the present invention provides a filter comprising: the filter body comprises an upper tank body and a lower tank body, and the lower tank body is positioned below the upper tank body and is connected with the upper tank body; wherein, the side wall of the lower tank body is provided with a liquid inlet pipe, and the side wall of the upper tank body is provided with a liquid outlet pipe; and the filtering assembly is arranged in the filter body and is positioned between the liquid inlet pipe and the liquid outlet pipe, so that the liquid entering the filter body from the liquid inlet pipe flows out from the liquid outlet pipe after the filtering effect of the filtering assembly.

Further, the filter assembly includes: first filter screen, the at least part setting of first filter screen is internal at the filter, and first filter screen setting is at last jar body and the junction of the lower jar of body to make liquid go into the last jar of body behind first filter screen.

Furthermore, the upper tank body comprises an upper flange part, the lower tank body comprises a lower flange part, the upper flange part and the lower flange part are arranged oppositely, and the upper tank body and the lower tank body are connected with the lower flange part through the upper flange part; first filter screen includes the filter screen body and walks around the sealing that the filter screen body set up, and the sealing is located between upper flange portion and the lower flange portion to make the upper tank body sealed with the lower tank body.

Further, the filter assembly includes: the second filter screen is arranged in the upper tank body, so that the liquid flows out of the liquid outlet pipe after passing through the second filter screen.

Further, the inner wall of the upper tank body is provided with a first clamping part, the first clamping part is provided with a first clamping groove, the second filter screen is matched with the first clamping groove, and the second filter screen is clamped in the first clamping groove.

Further, the filter body has a liquid storage space, and the filter still includes: the baffle sets up in lower jar internally, and the baffle is located the top of feed liquor pipe, and the outer peripheral face of baffle matches with the inner wall in stock solution space and suits, is provided with the intercommunication opening on the baffle to make liquid flow to the upside of baffle by the downside of baffle through the intercommunication opening.

Furthermore, the inner wall of the lower tank body is provided with a second clamping part, the second clamping part is provided with a second clamping groove, the baffle is matched with the second clamping groove, and the baffle is clamped in the second clamping groove.

Further, the filter further comprises: and the exhaust valve is arranged at the top of the upper tank body.

Further, the filter further comprises: and the sewage discharge pipeline is connected with a sewage discharge outlet at the bottom of the lower tank body and is provided with a sewage discharge valve so as to control the on-off of the sewage discharge pipeline.

Further, the filter further comprises: the supporting leg, the supporting leg is a plurality of, and a plurality of supporting legs evenly set up around the circumference of the lower jar of body.

The filter comprises an upper tank body and a lower tank body, wherein the lower tank body is positioned below the upper tank body and is connected with the upper tank body; wherein, the side wall of the lower tank body is provided with a liquid inlet pipe, and the side wall of the upper tank body is provided with a liquid outlet pipe; so that the liquid enters the filter body through the liquid inlet pipe and flows out through the liquid outlet pipe; the filter also comprises a filtering component arranged between the liquid inlet pipe and the liquid outlet pipe, so that liquid entering the filter body from the liquid inlet pipe flows out from the liquid outlet pipe after the liquid enters the filter body through the filtering action of the filtering component. The filter is beneficial to free settling of fine impurities by enabling liquid to slowly flow from bottom to top, the filter assembly ensures further filtering of the impurities in the liquid, the filtering effect is improved, and the medicine feeding pump is prevented from being abraded by the impurities and a pipeline is prevented from being blocked; and, through the components of a whole that can function independently setting up of last jar of body and lower jar of body, the cleaning and the change of the filtering component of being convenient for.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a front view of an embodiment of a filter according to the present invention;

fig. 2 shows a top view of an embodiment of a filter according to the invention.

Wherein the figures include the following reference numerals:

10. feeding the tank body; 11. an upper flange portion; 111. an upper flange hole; 20. a tank body is arranged; 21. a lower flange portion; 30. a liquid inlet pipe; 40. a liquid outlet pipe; 50. a first filter screen; 60. a second filter screen; 70. a baffle plate; 80. an exhaust valve; 90. a blowdown line; 91. a blowoff valve; 100. and (5) supporting legs.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a filter, please refer to fig. 1 and fig. 2, comprising: the filter body comprises an upper tank body 10 and a lower tank body 20, wherein the lower tank body 20 is positioned below the upper tank body 10 and is connected with the upper tank body 10; wherein, a liquid inlet pipe 30 is arranged on the side wall of the lower tank body 20, and a liquid outlet pipe 40 is arranged on the side wall of the upper tank body 10; and the filtering assembly is arranged in the filter body and is positioned between the liquid inlet pipe 30 and the liquid outlet pipe 40, so that liquid entering the filter body from the liquid inlet pipe 30 flows out from the liquid outlet pipe 40 after being filtered by the filtering assembly.

The filter of the present invention comprises an upper tank 10 and a lower tank 20, the lower tank 20 being located below the upper tank 10 and connected to the upper tank 10; wherein, a liquid inlet pipe 30 is arranged on the side wall of the lower tank body 20, and a liquid outlet pipe 40 is arranged on the side wall of the upper tank body 10; so that the liquid enters the filter body through the liquid inlet pipe 30 and flows out through the liquid outlet pipe 40; the filter also includes a filter assembly disposed between the inlet tube 30 and the outlet tube 40 such that liquid entering the filter body from the inlet tube 30 is filtered by the filter assembly and then exits through the outlet tube 40. The filter is beneficial to free settling of fine impurities by enabling liquid to slowly flow from bottom to top, the filter assembly ensures further filtering of the impurities in the liquid, the filtering effect is improved, and the medicine feeding pump is prevented from being abraded by the impurities and a pipeline is prevented from being blocked; in addition, the upper tank body 10 and the lower tank body 20 are arranged separately, so that the cleaning and the replacement of the filtering component are convenient.

In specific implementation, the liquid inlet pipe 30 and the liquid outlet pipe 40 are arranged at an interval of 90 degrees along the circumferential direction of the filter body.

In this embodiment, the filter assembly includes first filter screen 50, and at least part of first filter screen 50 sets up in the filter body, and first filter screen 50 sets up in the junction of last jar of body 10 and lower jar of body 20 to make liquid go into last jar of body 10 after first filter screen 50. Wherein, first filter 50 sets up between upper flange portion 11 and lower flange portion 21, and first filter 50 has guaranteed the further filtering of impurity.

In specific implementation, the upper tank body 10 comprises an upper flange part 11, the lower tank body 20 comprises a lower flange part 21, the upper flange part 11 and the lower flange part 21 are arranged oppositely, and the upper tank body 10 and the lower tank body 20 are connected with the lower flange part 21 through the upper flange part 11; the first filter net 50 includes a filter net body and a sealing portion disposed to bypass the filter net body, and the sealing portion is located between the upper flange portion 11 and the lower flange portion 21 to seal the upper tank 10 and the lower tank 20. The first filter 50 is provided to seal the filter body and filter impurities.

The upper flange 11 has a plurality of upper flange holes 111, the lower flange 21 has a plurality of lower flange holes, and the upper flange 11 and the lower flange 21 are connected to each other through the upper flange holes 111.

When the filter is specifically implemented, the filter body is provided with a liquid storage space, the filter body of the first filter screen 50 is matched with the liquid storage space, and the filter body is of a disc-shaped structure.

Preferably, the first filter 50 is made of a plastic material.

In this embodiment, the filter assembly includes a second filter 60 disposed in the upper tank 10, so that the liquid flows out of the liquid outlet pipe 40 after passing through the second filter 60. The second filter 60 ensures further filtering of impurities.

In order to fix the second filter screen 60, the inner wall of the upper tank 10 is provided with a first clamping portion having a first clamping groove, the second filter screen 60 is matched with the first clamping groove, and the second filter screen 60 is clamped in the first clamping groove.

When the filter is specifically implemented, the first clamping portion comprises a plurality of first clamping rod groups, each first clamping rod group comprises two first clamping rods, a first clamping gap is formed between the two first clamping rods, the second filter screen 60 is clamped in the first clamping gap, and the plurality of first clamping rod groups are arranged around the inner wall of the upper tank body 10 to form first clamping grooves.

Preferably, the first fastening rods are arranged in three groups, and the three groups of the first fastening rods are uniformly arranged around the inner wall of the upper tank 10.

During specific implementation, the filter body has a liquid storage space, the side wall of the second filter screen 60 is matched with the inner wall of the liquid storage space, and the second filter screen 60 is of a disc-shaped structure.

In this embodiment, the filter body has a liquid storage space, the filter further includes a baffle plate 70 disposed in the lower tank 20, the baffle plate 70 is located above the liquid inlet pipe 30, the outer peripheral surface of the baffle plate 70 fits the inner wall of the liquid storage space, and the baffle plate 70 is provided with a communication opening, so that liquid flows from the lower side of the baffle plate 70 to the upper side of the baffle plate 70 through the communication opening. The baffle 70 slows down the flow of liquid and facilitates the settling of impurities.

In order to fix the baffle 70, a second fastening portion is disposed on the inner wall of the lower tank 20, the second fastening portion has a second engaging groove, the baffle 70 fits the second engaging groove, and the baffle 70 is fastened in the second engaging groove.

When the tank is specifically implemented, the second clamping portion comprises a plurality of second clamping rod groups, each second clamping rod group comprises two second clamping rods, a second clamping gap is formed between the two second clamping rods, the baffle 70 is inserted into the second clamping gap, and the plurality of groups of second clamping rod groups are arranged around the inner wall of the upper tank body 10 to form second clamping grooves.

Preferably, the second fastening rod sets are three sets, and the three sets of second fastening rod sets are uniformly arranged around the inner wall of the lower tank body 20.

In this embodiment, the filter further includes a vent valve 80, and the vent valve 80 is disposed at the top of the upper tank 10. This arrangement balances the internal and external pressures of the filter body.

In this embodiment, the filter further includes a drain pipe 90, the drain pipe 90 is connected to a drain outlet at the bottom of the lower tank 20, and a drain valve 91 is disposed on the drain pipe 90 to control the on-off of the drain pipe 90. The blowoff valve 91 is opened when cleaning the filter body, and cleaning is facilitated.

In addition, the filter body and parts of the filter body can be cleaned by disassembling the upper and

lower cases

10 and 20.

In order to support the filter body, the filter further includes a plurality of support legs 100, the plurality of support legs 100 being uniformly arranged around the circumference of the lower tank 20.

The filter principle of the invention is as follows: the liquid medicine that contains impurity passes through feed liquor pipe 30 and gets into the filter body, from supreme buffering through baffle 70 respectively down subsides, first filtration of first filter screen 50, the secondary filtration of second filter screen 60, and the clear liquid medicine of filtering passes through drain pipe 40 and gets into the dosing pump. The inner diameters of the upper tank body and the lower tank body are about 10 times of the inner diameter of the pipeline, liquid medicine slowly flows in the filter body from bottom to top, free sedimentation of fine impurities is facilitated, the baffle 70 slows down the flow of the liquid medicine, sedimentation of the impurities is facilitated, and the first filter screen 50 and the second filter screen 60 ensure further filtering of the impurities. The vent valve 80 is opened when the filter body is fed with liquid, balancing the internal and external pressure of the filter body. The blowoff valve 91 is opened when cleaning the filter body, and cleaning is facilitated.

The invention relates to a filter for filtering solid-phase medicament impurities in an oil field water injection dosing room, which solves the problems of serious abrasion of a dosing pump and frequent pipeline blockage caused by incomplete filtration of silt impurities in a liquid medicament in the oil field water injection dosing room.

The filter of the invention has the following beneficial effects:

1. the silt impurities in the liquid medicine are effectively filtered;

2. the failure rate of the dosing pump is 0.25 times per month from 4 times per month on average;

3. the pipeline blockage frequency is 0.75 times per month from 2.8 times per month on average.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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, comprising:

the filter body comprises an upper tank body (10) and a lower tank body (20), wherein the lower tank body (20) is positioned below the upper tank body (10) and is connected with the upper tank body (10); wherein, a liquid inlet pipe (30) is arranged on the side wall of the lower tank body (20), and a liquid outlet pipe (40) is arranged on the side wall of the upper tank body (10);

the filtering assembly is arranged in the filter body and is positioned between the liquid inlet pipe (30) and the liquid outlet pipe (40), so that liquid entering the filter body from the liquid inlet pipe (30) flows out from the liquid outlet pipe (40) after being filtered by the filtering assembly;

wherein the filter body has a reservoir space, the filter further comprising:

the baffle (70) is arranged in the lower tank body (20), the baffle (70) is positioned above the liquid inlet pipe (30), the peripheral surface of the baffle (70) is matched with the inner wall of the liquid storage space, and a communication opening is formed in the baffle (70) so that liquid can flow to the upper side of the baffle (70) from the lower side of the baffle (70) through the communication opening.

2. The filter of claim 1, wherein the filter assembly comprises:

first filter screen (50), at least part setting of first filter screen (50) is in the filter body, first filter screen (50) set up go up jar body (10) with the junction of the lower jar of body (20) is in order to make liquid pass through get into behind first filter screen (50) go up jar body (10).

3. A filter according to claim 2, wherein the upper tank (10) comprises an upper flange portion (11), the lower tank (20) comprises a lower flange portion (21), the upper flange portion (11) is disposed opposite to the lower flange portion (21), and the upper tank (10) and the lower tank (20) are connected to the lower flange portion (21) through the upper flange portion (11); first filter screen (50) include the filter screen body and wind the sealing of filter screen body setting, the sealing is located go up flange portion (11) with between lower flange portion (21), so that go up jar body (10) with jar body (20) is sealed down.

4. The filter of claim 1, wherein the filter assembly comprises:

the second filter screen (60) is arranged in the upper tank body (10), so that the liquid passes through the second filter screen (60) and then flows out of the liquid outlet pipe (40).

5. The filter of claim 4, wherein the inner wall of the upper tank (10) is provided with a first clamping portion, the first clamping portion is provided with a first clamping groove, the second filter screen (60) is matched with the first clamping groove, and the second filter screen (60) is clamped in the first clamping groove.

6. The filter of claim 1, wherein the inner wall of the lower tank (20) is provided with a second clamping portion, the second clamping portion is provided with a second clamping groove, the baffle (70) is matched with the second clamping groove, and the baffle (70) is clamped in the second clamping groove.

7. The filter of claim 1, further comprising:

the exhaust valve (80), exhaust valve (80) set up in the top of last jar of body (10).

8. The filter of claim 1, further comprising:

the sewage draining device comprises a sewage draining pipeline (90), wherein the sewage draining pipeline (90) is connected with a sewage draining outlet in the bottom of the lower tank body (20), and a sewage draining valve (91) is arranged on the sewage draining pipeline (90) to control the on-off of the sewage draining pipeline (90).

9. The filter of claim 1, further comprising:

the supporting leg (100), the supporting leg (100) is a plurality of, and is a plurality of the supporting leg (100) is around the even setting of circumference of lower jar of body (20).