Pipeline filtering device for pipeline joint

Abstract

The utility model provides a pipeline filtering device for a pipeline joint, which comprises a filtering basket body which can extend into along a port of a middle pipe, is abutted against the inner wall of a straight pipe and is provided with a filtering part; and the positioning structure is arranged at the flange joint of the middle pipe of the three-way pipeline, is provided with an abutting end capable of extending into the middle pipe along the end opening of the middle pipe, and is used for abutting against the filter basket body through the abutting end so as to fix the filter basket body. According to the pipeline filtering device for the pipeline joint, provided by the utility model, the filter basket body is arranged, can extend into the filter basket body along the port of the middle pipe and is propped against the inner walls of the straight pipes, and solid impurities in fluid flowing into the other straight pipe from one straight pipe and the middle pipe can be filtered through the filtering part arranged on the filter basket body; the positioning structure is arranged, the abutting end can stretch into the filter basket body along the end opening of the middle pipe and abut against the filter basket body, the filter basket body is fixed, the filter basket body can be prevented from loosening under the action of water flow, fixing is firm, and adaptability is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline filtration, and particularly relates to a pipeline filtration device for pipeline joints. Background Technique

[0002] A pipeline filter is a pipeline accessory used to remove solid impurities in a fluid to protect process equipment and special pipe fittings. It prevents sundries from entering the equipment, damaging components of the pipeline or blocking pipe fittings, affecting normal production operation, and plays a role in stabilizing the process and ensuring safe production. A tee pipe is composed of a straight pipe and an intermediate pipe.

[0003] In the prior art, during the working process of a pipeline filter, there will be a situation where filtration needs to be carried out in a tee pipeline. When installing the filter on the tee pipe, it is necessary to open the connecting flange at the intermediate pipe of the tee pipeline and then place the filter in the tee pipeline. However, during the long-term use of the filter, it will become loose under the action of water flow and is not firmly fixed, resulting in filtration failure and poor adaptability. Content of the Utility Model

[0004] An embodiment of the utility model provides a pipeline filtration device for pipeline joints, aiming to solve the problem that the existing tee pipe filter is not firmly fixed, resulting in filtration failure.

[0005] To achieve the above object, the technical solution adopted by the utility model is: to provide a pipeline filtration device for pipeline joints, including:

[0006] A filter basket body, which can extend into the port of the intermediate pipe along the straight pipe and abut against the inner wall of the straight pipe, and has a filtering part;

[0007] A positioning structure, which is arranged at the flange connection of the intermediate pipe of the tee pipeline and has an abutting end that can extend into the port of the intermediate pipe. The positioning structure is used to abut against the filter basket body through the abutting end to fix the filter basket body.

[0008] In a possible implementation manner, the filter basket body includes:

[0009] A connecting frame, which is slidably arranged in the intermediate pipe of the tee pipeline and abuts against the inner wall of the straight pipe of the tee pipeline. An opening for fluid to pass through is provided on the connecting frame;

[0010] A filter screen, which is fixedly arranged at the opening of the connecting frame and is used to filter solid impurities in the fluid flowing from one straight pipe and the intermediate pipe into another straight pipe. The filter screen is the filtering part. [[ID=3,6]]

[0011] In a possible implementation manner, a wrapping edge is provided on the connecting frame, and the wrapping edge is used to abut against the inner wall of the tee pipeline to prevent the connecting frame from shifting.

[0012] In a possible implementation, the positioning structure includes:

[0013] A connecting ring is fixedly arranged on the connecting flange. A plurality of bumps are arranged on the connecting ring, and the plurality of bumps are annularly and spaced along the axis of the connecting ring on the inner wall of the connecting ring. Each bump is provided with a chute penetrating in the direction of the axis of the connecting ring;

[0014] A plurality of adjusting plates are provided. The plurality of adjusting plates are arranged in one-to-one correspondence with the plurality of bumps. Each adjusting plate is slidably arranged in the corresponding chute along the axis of the connecting ring. One end of each adjusting plate abuts against the connecting frame, and the adjusting plates together form the abutting end;

[0015] A plurality of positioning bolts are provided. The plurality of positioning bolts are arranged in one-to-one correspondence with the plurality of bumps. Each positioning bolt penetrates through the bump and abuts against the corresponding adjusting plate to fix the position of the adjusting plate.

[0016] In a possible implementation, each adjusting plate is provided with an arc surface, and the arc surface abuts against the inner wall of the tee pipe.

[0017] In a possible implementation, the edge wrapping is made of rubber material.

[0018] In a possible implementation, the connecting ring is provided with threaded holes for the bolts of the connecting flange at the tee pipe to pass through.

[0019] In this implementation, compared with the prior art, a filter basket body is provided, which can extend along the port of the middle pipe and abut against the inner wall of the straight pipe, and can filter solid impurities in the fluid flowing from one straight pipe and the middle pipe into another straight pipe through the filter part provided thereon; a positioning structure is provided, which can extend along the port of the middle pipe through the abutting end and abut against the filter basket body to fix the filter basket body, and can prevent the filter basket body from loosening under the action of water flow, with firm fixation and good adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic installation structure diagram of a pipeline filtering device for a pipeline connection provided by an embodiment of the present invention;

[0021] Figure 2 is Figure 1 a schematic enlarged structure diagram at A of the schematic installation structure diagram of the pipeline filtering device for the pipeline connection provided;

[0022] Figure 3Schematic diagram of the test structure of the connection ring of the pipeline filtering device for pipeline joints provided by the embodiment of the present utility model;

[0023] Figure 4 Top view structure diagram of the filter basket body of the pipeline filtering device for pipeline joints provided by the embodiment of the present utility model;

[0024] Explanation of reference numerals:

[0025] 10. Filter basket body; 11. Connection frame; 111. Edge wrapping; 12. Filter screen; 20. Positioning structure; 21. Connection ring; 211. Protrusion; 22. Adjusting plate; 23. Positioning bolt. Detailed implementation manners

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0027] Please refer to Figures 1 to 4 simultaneously, and now the pipeline filtering device for pipeline joints provided by the present utility model will be described. The pipeline filtering device for pipeline joints includes a filter basket body 10 and a positioning structure 20.

[0028] The filter basket body 10 can extend along the port of the intermediate pipe and abut against the inner wall of the straight pipe, and has a filtering part.

[0029] The positioning structure 20 is arranged at the flange connection of the intermediate pipe of the tee pipe and has an abutting end that can extend along the port of the intermediate pipe. The positioning structure 20 is used to fix the filter basket body 10 by abutting the abutting end against the filter basket body 10.

[0030] Compared with the prior art, the pipeline filtering device for pipeline joints provided in this embodiment is provided with a filter basket body 10, which can extend along the port of the intermediate pipe and abut against the inner wall of the straight pipe, and can filter solid impurities in the fluid flowing from one straight pipe and the intermediate pipe into another straight pipe through the filtering part provided thereon. A positioning structure 20 is provided, which can extend along the port of the intermediate pipe through the abutting end and abut against the filter basket body 10 to fix the filter basket body 10, which can prevent the filter basket body 10 from loosening under the action of water flow, has firm fixation and good adaptability.

[0031] In some embodiments, the above-mentioned filter basket body 10 can adopt a structure such as Figure 1 , Figure 4 shown. Refer to Figure 1 , Figure 4, the filter basket body 10 includes: a connecting frame 11 and a filter screen 12. The connecting frame 11 is slidably arranged in the middle pipe of the tee pipe and abuts against the inner wall of the straight pipe of the tee pipe. An opening for fluid to pass through is provided on the connecting frame 11. The filter screen 12 is fixedly arranged at the opening of the connecting frame 11 and is used for filtering solid impurities in the fluid flowing from one straight pipe and the middle pipe into the other straight pipe. The filter screen 12 is the filtering part.

[0032] The connecting frame 11 can be slidably arranged in the middle pipe of the tee pipe. It can abut against the inner wall of the straight pipe of the tee pipe through the arc section of the connecting frame 11 adapted to the inner wall of the straight pipe, and the fluid to be filtered can pass through the opening on the connecting frame 11. The filter screen 12 can be fixedly arranged at the opening of the connecting frame 11 and can filter solid impurities in the fluid flowing from one straight pipe and the middle pipe into the other straight pipe.

[0033] The filter screen 12 is a mesh structure device for filtering and separating substances. The filter screen 12, also called the filter net 12, is woven from metal wires or fiber wires and has a mesh structure with a specific pore size. The filter screen 12 is an existing technology and will not be elaborated here.

[0034] In some embodiments, the above-mentioned connecting frame 11 can adopt a structure as shown in Figure 1 , Figure 4 . Refer to Figure 1 , Figure 4 . A wrapping edge 111 is provided on the connecting frame 11. The wrapping edge 111 is used to abut against the inner wall of the tee pipe to prevent the connecting frame 11 from shifting.

[0035] The wrapping edge 111 can abut against the inner wall of the tee pipe to prevent the connecting frame 11 from shifting.

[0036] In some embodiments, the above-mentioned positioning structure 20 can adopt a structure as shown in Figures 1 to 3 . Refer to Figures 1 to 3 . The positioning structure 20 includes: a connecting ring 21, an adjusting plate 22 and a positioning bolt 23. The connecting ring 21 is fixedly arranged on the connecting flange. A plurality of bumps 211 are provided on the connecting ring 21. The plurality of bumps 211 are annularly and spacedly arranged on the inner wall of the connecting ring 21 along the axis of the connecting ring 21. A through groove is provided on each bump 211 along the axis direction of the connecting ring 21. A plurality of adjusting plates 22 are provided. The plurality of adjusting plates 22 are arranged in one-to-one correspondence with the plurality of bumps 211. Each adjusting plate 22 is slidably arranged in the corresponding through groove along the axis direction of the connecting ring 21. One end of each adjusting plate 22 abuts against the connecting frame 11. The plurality of adjusting plates 22 together form an abutting end. A plurality of positioning bolts 23 are provided. The plurality of positioning bolts 23 are arranged in one-to-one correspondence with the plurality of bumps 211. Each positioning bolt 23 passes through the bump 211 and abuts against the corresponding adjusting plate 22 to fix the position of the adjusting plate 22.

[0037] The connecting ring 21 can be understood as a circular ring provided with a plurality of bumps 211 on the inner wall. The adjusting plate 22 can be slidably arranged in the sliding grooves of the corresponding bumps 211, and the positioning bolt 23 can adjust and fix the position of the adjusting plate 22.

[0038] In some embodiments, the above-mentioned adjusting plate 22 can adopt a structure as shown in Figure 1 、 Figure 3 . Refer to Figure 1 、 Figure 3 . Each adjusting plate 22 is provided with an arc surface, and the arc surface abuts against the inner wall of the tee pipe.

[0039] The arc surface of the adjusting plate 22 can adapt to the inner wall of the tee pipe, and has good adaptability.

[0040] In some embodiments, the above-mentioned edge banding 111 can adopt a structure as shown in Figure 1 . Refer to Figure 1 . The edge banding 111 is made of rubber.

[0041] The rubber material can improve the connection stability between the connecting frame 11 and the tee pipe, and can prevent the connecting frame 11 from sliding.

[0042] In some embodiments, the above-mentioned connecting ring 21 can adopt a structure as shown in Figure 1 . Refer to Figure 1 . The connecting ring 21 is provided with threaded holes for bolts of the connecting flange at the tee pipe to pass through.

[0043] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pipeline filtering device for pipeline joints, characterized in that, Comprising: A filter basket body, which can extend into the port of the middle pipe and abut against the inner wall of the straight pipe, and has a filtering part; A positioning structure, which is arranged at the flange connection of the middle pipe of the tee pipe and has an abutting end that can extend into the port of the middle pipe. The positioning structure is used to fix the filter basket body by abutting the filter basket body through the abutting end.

2. The pipeline filtering device for pipeline joints according to claim 1, characterized in that, The filter basket body includes: A connection frame, which is slidably arranged in the middle pipe of the tee pipe and abuts against the inner wall of the straight pipe of the tee pipe. An opening for fluid to pass through is provided on the connection frame; A filter screen, which is fixedly arranged at the opening of the connection frame and is used to filter solid impurities in the fluid flowing from one straight pipe and the middle pipe into the other straight pipe. The filter screen is the filtering part.

3. The pipeline filtering device for a pipeline connection according to claim 2, characterized in that, A wrapping edge is provided on the connection frame, and the wrapping edge is used to abut against the inner wall of the tee pipe to prevent the connection frame from shifting.

4. The pipeline filtering device for a pipeline connection as described in claim 2, characterized in that, The positioning structure includes: A connection ring, which is fixedly arranged on the connection flange. A plurality of bumps are provided on the connection ring, and the plurality of bumps are annularly and spaced along the axis of the connection ring on the inner wall of the connection ring. A through groove is provided on each bump along the axis direction of the connection ring; Adjusting plates, a plurality of which are provided. The plurality of adjusting plates are arranged in one-to-one correspondence with the plurality of bumps. Each adjusting plate is slidably arranged in the corresponding through groove along the axis direction of the connection ring. One end of each adjusting plate abuts against the connection frame, and the plurality of adjusting plates together form the abutting end; Positioning bolts, a plurality of which are provided. The plurality of positioning bolts are arranged in one-to-one correspondence with the plurality of bumps. Each positioning bolt penetrates through the bump and abuts against the corresponding adjusting plate to fix the position of the adjusting plate.

5. The pipeline filtering device for pipeline joints according to claim 4, characterized in that An arc surface is provided on each adjusting plate, and the arc surface abuts against the inner wall of the tee pipe.

6. The pipeline filtering device for a pipeline connection as described in claim 3, characterized in that, The wrapping edge is made of rubber material.

7. The pipeline filtering device for a pipeline connection according to claim 4, wherein, Threaded holes for bolts of the connection flange at the tee pipe to pass through are provided on the connection ring.

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