CN111346420A - Pipeline filter - Google Patents

Abstract

The invention provides a pipeline filter, the pipeline filter comprises: a water inlet pipeline with a first connection end, the side wall of the first connection end has a first annular boss, and the first annular boss is provided with a first connection The water outlet pipe has a second connection end, the side wall of the second connection end has a second annular boss, and the second annular boss is provided with a second connection part; the body, the body has a water inlet and a water outlet arranged oppositely, The side walls of the water inlet and the water outlet are both provided with a third connecting portion, and the lower side wall of the body is also provided with an impurity removal port, which is located between the water inlet and the water outlet; the sewage assembly is located below the main body, One end of the sewage discharge assembly is connected with the impurity removal port, and the other end of the sewage discharge assembly is used for sewage discharge; the filter element is arranged in the body. The technical solution provided by the present application can solve the problems of complex structure and high cost of the filtering device in the prior art.

Description

Pipe filter

technical field

The invention relates to the technical field of pipelines, in particular to a pipeline filter.

Background technique

At present, the water supply system is widely used in the industrial field, and the pool of the water supply system is generally an open structure, and impurities and floating objects often fall into the pool. Once the impurities and floating objects enter the water supply system through the pump station, it will not only pollute the water supply system, but also And it is easy to cause pipeline blockage.

Existing pipeline filter devices are generally suitable for pipelines with small diameters, while filter devices with large diameters generally occupy a large space, have complex structures, and have high use costs. Therefore, the filtering devices currently on the market are difficult to meet the system requirements.

SUMMARY OF THE INVENTION

The invention provides a pipeline filter to solve the problems of complicated structure and high cost of the filtering device in the prior art.

The invention provides a pipeline filter. The pipeline filter comprises: a water inlet pipeline, which has a first connecting end, a side wall of the first connecting end has a first annular boss, and the first annular boss is provided with a first connecting part The water outlet pipe has a second connection end, the side wall of the second connection end has a second annular boss, the second annular boss is provided with a second connection part, the axis of the water inlet pipe coincides with the axis of the water outlet pipe, and the inlet The minimum diameter of the water pipe and the water outlet pipe is both 200mm; the body, the body has a water inlet and a water outlet arranged oppositely, a third connection part is arranged on the side wall of the water inlet and the water outlet, and the water inlet is connected with the water inlet pipe, The first connection part is spaced from the third connection part on the water inlet, the water outlet is connected with the water outlet pipe, the second connection part is spaced from the third connection part on the water outlet, and the lower side wall of the main body is also provided with an impurity removal device. The impurity removal port is located between the water inlet and the water outlet; the sewage discharge assembly is located below the body, and one end of the sewage discharge assembly is connected with the impurity removal port, and the other end of the sewage discharge assembly is used for sewage discharge; the filter element is arranged in the body, The filter element is used to filter the fluid flowing from the water inlet to the water outlet. The impurity removal port is arranged corresponding to the filter element and is located below the filter element. The impurities are filtered by the filter element and then fall into the sewage assembly through the impurity removal port.

Further, the blowdown assembly includes: a control valve, one end of the control valve is connected to the impurity removal port; a blowdown pipe, one end of the blowdown pipe is connected to the other end of the control valve, and the other end of the blowdown pipe is provided with a cover.

Further, the sewage pipe includes a vertical section and a horizontal section connected to each other, one end of the vertical section is connected with the control valve, and an end of the horizontal section is provided with a cover.

Further, the first connection part and the third connection part on the water inlet are flange structures that cooperate with each other, and the second connection part and the third connection part on the water outlet are flange structures that cooperate with each other.

Further, an assembly boss is annularly arranged on the inner wall of the water outlet, and the filter element is arranged on the end face of the assembly boss close to the water inlet.

Further, the filter element includes: a filter screen; a pressure ring, arranged on the periphery of the filter screen, and located on the side of the filter screen close to the water inlet; a bottom ring, arranged on the periphery of the filter screen, and located near the water outlet of the filter screen On one side, the bottom ring and the pressure ring are connected by a connecting piece.

Further, the filter screen is a plane; or, the filter screen is a curved structure, the filter screen has a convex surface and a concave surface arranged oppositely, and the convex surface is disposed toward the water outlet pipe.

Further, the diameter of the filter element is larger than the diameter of the water outlet pipe, and the filter element is located on the side of the impurity removal port close to the water outlet.

Further, the impurity removal port is a tubular structure, and the inner diameter of the impurity removal port gradually decreases in the direction away from the main body.

Further, seals are provided between the first connection end and the water inlet and between the second connection end and the water outlet.

Applying the technical solution of the present invention, the pipeline filter includes a water inlet pipeline, a water outlet pipeline, a body, a sewage assembly and a filter element. Wherein, the body is provided with a water inlet, a water outlet and an impurity removal port, and the impurity removal port is arranged corresponding to the filter element and is located below the filter element. When in use, when the fluid passes through the filter element, the impurities will be filtered out, and the filtered impurities will fall into the sewage assembly from the impurity removal port. The filter device provided by the present application has a simple structure, a small number of parts, and is easy to install and maintain. It can filter impurities in the fluid and store the impurities in the sewage assembly without affecting the flow of the fluid in the body. Excessive impurities block the channel, which increases the storage space of impurities, thereby improving the filtration performance.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 shows a schematic structural diagram of a pipeline filter provided according to an embodiment of the present invention;

Fig. 2 shows the sectional view at A-A in Fig. 1;

Fig. 3 shows the structural schematic diagram of the body in Fig. 1;

Fig. 4 shows the sectional view at B-B in Fig. 3;

Fig. 5 shows the structural representation of the filter element in Fig. 1;

FIG. 6 shows a schematic structural diagram of a filter element provided by another embodiment of the present invention.

Wherein, the above-mentioned drawings include the following reference signs:

10. Water inlet pipe; 11. The first connecting part;

20. Water outlet pipe; 21. Second connecting part;

30, the body; 31, the water inlet; 32, the water outlet; 33, the third connecting part; 34, the impurity removal port;

40. Sewage assembly; 41. Control valve; 42. Sewage pipe;

50, filter element; 51, filter screen; 52, pressure ring; 53, bottom ring;

60. Seals.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 1 and FIG. 2 , an embodiment of the present application provides a pipeline filter, which includes: a water inlet pipeline 10 , a water outlet pipeline 20 , a body 30 , a sewage assembly 40 and a filter element 50 . Wherein, the water inlet pipe 10 has a first connecting end, the side wall of the first connecting end has a first annular boss, and the first annular boss is provided with a first connecting portion 11 . The water outlet pipe 20 has a second connecting end, the side wall of the second connecting end has a second annular boss, and the second annular boss is provided with a second connecting portion 21 . The axis of the water inlet pipe 10 coincides with the axis of the water outlet pipe 20, and the minimum diameters of the water inlet pipe 10 and the water outlet pipe 20 are both 200 mm. By setting the axes of the water inlet pipe 10 and the water outlet pipe 20 to coincide, the resistance to the fluid can be reduced as much as possible, and the turbulent flow of the fluid in the body 30 can be avoided. The body 30 has a water inlet 31 and a water outlet 32 arranged oppositely. The side walls of the water inlet 31 and the water outlet 32 are provided with a third connecting portion 33. The water inlet 31 is connected to the water inlet pipe 10, and the first connecting portion 11 is connected to The third connecting portion 33 on the water inlet 31 is spaced apart, the water outlet 32 is connected to the water outlet pipe 20 , and the second connecting portion 21 is spaced apart from the third connecting portion 33 on the water outlet 32 . By setting the above two intervals, it is possible to avoid the problem that the end faces are not flush and cannot fit due to the process error of the end faces, thereby causing the problem of connection failure, and the reliability of the connection between the two can be improved. The lower side wall of the main body 30 is also provided with an impurity removing port 34 . The impurity removing port 34 is located between the water inlet 31 and the water outlet 32 , and the impurity removing port 34 is used to discharge the impurities in the main body 30 . The sewage discharge assembly 40 is located below the body 30 , one end of the sewage discharge assembly 40 is connected to the impurity removal port 34 , and the other end of the sewage discharge assembly 40 is used for sewage discharge. The filter element 50 is arranged in the body 30. The filter element 50 is used to filter the fluid flowing from the water inlet 31 to the water outlet 32. The impurity removal port 34 is arranged corresponding to the filter element 50 and is located below the filter element 50. The impurities are removed by the filter element. 50 falls into the sewage assembly 40 through the impurity removal port 34 after being filtered.

According to the technical solution provided in this application, the pipeline filter includes a water inlet pipeline 10 , a water outlet pipeline 20 , a body 30 , a sewage assembly 40 and a filter element 50 . The body 30 is provided with a water inlet 31 , a water outlet 32 and an impurity removal port 34 . During use, when the fluid passes through the filter element 50 , impurities will be filtered out, and the filtered impurities will fall into the sewage discharge assembly 40 from the impurity removal port 34 . The filter device provided by the present application has a simple structure, a small number of parts, and is convenient for installation and maintenance; it can filter impurities in the fluid, and can store the impurities in the sewage assembly 40 without affecting the flow of the fluid in the body 30, The situation that the channel is blocked due to excessive impurities is avoided, the storage space of the impurities is increased, and the filtering performance of the device is improved.

Specifically, the sewage assembly 40 includes: a control valve 41 and a sewage pipe 42 . One end of the control valve 41 is connected to the impurity removal port 34 , one end of the sewage pipe 42 is connected to the other end of the control valve 41 , and the other end of the sewage pipe 42 is provided with a cover. With the above structure, when impurities are stored, the control valve 41 can be opened, and the impurities can be filtered by the filter element 50 and then dropped into the sewage pipe 42 through the impurity removal port 34 . When the sewage pipe 42 needs to be cleaned, the control valve 41 can be closed, and the cover of the sewage pipe 42 can be opened and cleaned directly. With this structure, the trouble of frequently disassembling the device to clean the impurities can be saved, and the normal operation of the main pipeline can be ensured during the process of cleaning the impurities.

Wherein, the cover can be detachably connected with the sewage pipe 42 through the flange structure, so as to facilitate the disassembly of the staff.

As shown in FIG. 2 , the sewage pipe 42 includes a vertical section and a horizontal section connected to each other, one end of the vertical section is connected to the control valve 41 , and an end of the horizontal section is provided with a cover. With the above structure, it is convenient for workers to disassemble and assemble the cover. Of course, the sewage pipe 42 can also be set as a straight pipe structure as required.

The connection between the water inlet 31 and the water inlet pipe 10 and between the water outlet 32 and the water outlet pipe 20 may be connected by fasteners or other connecting pieces. Specifically, in this embodiment, the first connecting portion 11 and the third connecting portion 33 on the water inlet 31 are flange structures that cooperate with each other, and the second connecting portion 21 and the third connecting portion 33 on the water outlet 32 cooperate with each other. flange structure. Wherein, a plurality of connecting holes are arranged at annular intervals on the first connecting portion 11 , the second connecting portion 21 and the third connecting portion 33 , and the fasteners are inserted into the two opposite connecting holes to complete the connection.

Wherein, the filter element 50 may be arranged on the inner wall of the main body 30 . Specifically, in this embodiment, as shown in FIGS. 3 and 4 , the inner wall of the water outlet 32 is annularly provided with an assembly boss, and the filter element 50 is disposed on the end surface of the assembly boss close to the water inlet 31 . Through the above structure, the filter element 50 can be easily installed and fixed, and the stability of the connection between the two can be improved. The filter element 50 can be attached to the mounting boss by fasteners or welding.

As shown in FIG. 5 , the filter element 50 includes a filter screen 51 , a pressure ring 52 and a bottom ring 53 . Wherein, the pressure ring 52 is arranged on the periphery of the filter screen 51, and is located on the side of the filter screen 51 close to the water inlet 31, and the bottom ring 53 is arranged on the periphery of the filter screen 51, and is located on a side of the filter screen 51 close to the water outlet 32. On the side, the bottom ring 53 and the pressing ring 52 are connected by a connecting piece, so that the filter screen 51 can be fixed between the bottom ring 53 and the pressing ring 52 .

Among them, in this embodiment, the filter screen 51 is a plane structure. The filter screen 51 is made of stainless steel to improve the service life of the components.

Wherein, in Fig. 1 , d1 is the pipe diameter of the water inlet pipe 10, d2 is the pipe diameter of the water outlet pipe, and d3 is the diameter of the filter element. In this embodiment, the diameter of the filter element 50 is set to be larger than the diameter of the outlet pipe 20, so as to ensure that all fluids can be filtered through the filter element 50 and flow out from the outlet pipe 20 to ensure the filtering effect.

The filter element 50 is located on the side of the impurity removal port 34 close to the water outlet 32 , which facilitates the impurities to fall into the impurity removal port 34 , thereby facilitating the impurities filtered by the filter element 50 to be discharged from the sewage discharge assembly 40 .

As shown in FIG. 3 and FIG. 4 , the impurity removing port 34 has a tubular structure, and the inner diameter of the impurity removing port 34 gradually decreases in the direction away from the main body 30 . In this way, the impurity removal port 34 can be designed in the shape of a bell mouth, so as to collect and drain the impurities into the sewage discharge assembly 40 below. Specifically, the impurity removal port 34 is connected with the control valve 41 through a flange structure.

Wherein, seals 60 are provided between the first connection end and the water inlet 31 and between the second connection end and the water outlet 32 . Specifically, the end face of the first connection end or the end face of the water inlet 31 is provided with a sealing groove, the sealing member 60 is a sealing ring, and the sealing ring is placed in the sealing groove. Seal to avoid fluid leakage.

As shown in FIG. 6 , in another embodiment of the present application, the difference from the above embodiment is that in this embodiment, the filter screen 51 is a curved structure, and the filter screen 51 has oppositely arranged convex and concave surfaces, The convex surface is disposed toward the water outlet pipe 20 . Through the above structure, the filtering area of the filter screen 51 can be increased, and the filtering performance can be improved.

The pipeline filter provided by the present application has a simple structure, occupies a small space, and can be installed in a large-diameter pipeline, without the need for major changes to the pipeline during installation. By arranging the blowdown assembly 40, the accommodating capacity of impurities can be improved, and the control valve 41 can be used to clean the impurities while the fluid is being transported, reducing the number of overall disassembly and maintenance, and greatly facilitating the operation of the staff.

The working process of the device: the water containing impurities in the water inlet pipe enters the body, the water flows out from the water outlet pipe through the filter element, and the impurities fall into the impurity removal port, so that the water becomes more pure after passing through the filter, and the control valve is at this time. Open position, impurities fall into the sewage pipe, after a period of filtration, close the control valve, open the cover of the sewage pipe, clean the impurities in the pipe, tighten the cover after cleaning, and open the control valve.

The beneficial effects of the present invention are mainly reflected in:

1. The overall radial dimension of the filter device is small, and the installation space is small.

2. The filter device has the function of sedimentation, and can clean up impurities at any time when the main pipeline is in working state.

3. The structure is simple and the maintenance is convenient, which can be used in both the new water supply system and the maintenance of the old water supply system.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the invention unless specifically stated otherwise. Meanwhile, it should be understood that, for the convenience of description, the dimensions of various parts shown in the accompanying drawings are not drawn in an actual proportional relationship. Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized description. In all examples shown and discussed herein, any specific value should be construed as illustrative only and not as limiting. Accordingly, other examples of exemplary embodiments may have different values. It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further discussion in subsequent figures.

In the description of the present invention, it should be understood that the orientations indicated by orientation words such as "front, rear, top, bottom, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. Or the positional relationship is usually based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and these orientation words do not indicate or imply the indicated device or element unless otherwise stated. It must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be construed as a limitation on the protection scope of the present invention; the orientation words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

For ease of description, spatially relative terms, such as "on", "over", "on the surface", "above", etc., may be used herein to describe what is shown in the figures. The spatial positional relationship of one device or feature shown to other devices or features. It should be understood that 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 the device in the figures is turned over, elements described as "above" or "over" other devices or features would then be oriented "below" or "over" the other devices or features under other devices or constructions". Thus, the exemplary term "above" can encompass both an orientation of "above" and "below." The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood to limit the scope of protection of the present invention.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A pipeline filter, wherein the pipeline filter comprises: The water inlet pipe (10) has a first connecting end, the side wall of the first connecting end has a first annular boss, and the first annular boss is provided with a first connecting part (11); The water outlet pipe (20) has a second connection end, the side wall of the second connection end has a second annular boss, the second annular boss is provided with a second connection part (21), the water inlet pipe The axis of (10) coincides with the axis of the water outlet pipe (20), and the minimum diameters of the water inlet pipe (10) and the water outlet pipe (20) are both 200mm; A body (30), the body (30) has a water inlet (31) and a water outlet (32) arranged oppositely, and a third connection is provided on the side walls of the water inlet (31) and the water outlet (32) part (33), the water inlet (31) is connected with the water inlet pipe (10), and the first connection part (11) and the third connection part (33) on the water inlet (31) have interval, the water outlet (32) is connected with the water outlet pipe (20), the second connection part (21) is separated from the third connection part (33) on the water outlet (32), the The lower side wall of the main body (30) is further provided with an impurity removal port (34), and the impurity removal port (34) is located between the water inlet (31) and the water outlet (32); A sewage assembly (40) is located below the main body (30), one end of the sewage assembly (40) is connected to the impurity removal port (34), and the other end of the sewage assembly (40) is used for sewage discharge ; A filter element (50) is provided in the main body (30), the filter element (50) is used for filtering the fluid flowing from the water inlet (31) to the water outlet (32), the The impurity removal port (34) is provided corresponding to the filter element (50) and is located below the filter element (50). into the sewage assembly (40). 2. The pipeline filter according to claim 1, characterized in that, the sewage assembly (40) comprises: a control valve (41), one end of the control valve (41) is connected to the impurity removal port (34); A sewage pipe (42), one end of the sewage pipe (42) is connected with the other end of the control valve (41), and the other end of the sewage pipe (42) is provided with a cover. 3. The pipeline filter according to claim 2, characterized in that the sewage pipe (42) comprises a vertical section and a horizontal section that are connected to each other, and one end of the vertical section is connected to the control valve (41) connected, the end of the horizontal segment is provided with a cover. 4. The pipeline filter according to claim 1, characterized in that, the first connection part (11) and the third connection part (33) on the water inlet (31) are mutually matched In the flange structure, the second connection part (21) and the third connection part (33) on the water outlet (32) are mutually matched flange structures. 5 . The pipeline filter according to claim 1 , wherein an assembly boss is annularly provided on the inner wall of the water outlet ( 32 ), and the filter element ( 50 ) is arranged close to the assembly boss. 6 . on the end face of the water inlet (31). 6. The pipeline filter according to claim 1, wherein the filter element (50) comprises: filter (51); a pressure ring (52), arranged on the periphery of the filter screen (51), and located on the side of the filter screen (51) close to the water inlet (31); A bottom ring (53) is arranged on the periphery of the filter screen (51), and is located on the side of the filter screen (51) close to the water outlet (32), the bottom ring (53) and the The pressure ring (52) is connected by a connecting piece. 7. The pipeline filter according to claim 6, characterized in that, The filter screen (51) is flat; or, The filter screen (51) has a curved structure, the filter screen (51) has a convex surface and a concave surface arranged oppositely, and the convex surface is disposed toward the water outlet pipe (20). 8 . The pipeline filter according to claim 1 , wherein the diameter of the filter element ( 50 ) is larger than the diameter of the water outlet pipe ( 20 ), and the filter element ( 50 ) is located at the impurity removal port. 9 . The side of (34) close to the water outlet (32). 9 . The pipeline filter according to claim 1 , wherein the impurity removal port ( 34 ) has a tubular structure, and the inner diameter of the impurity removal port ( 34 ) gradually moves away from the body ( 30 ). 10 . Zoom out. 10. The pipeline filter according to claim 1, characterized in that, between the first connection end and the water inlet (31) and between the second connection end and the water outlet (32) Both are provided with seals (60).

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