Anti-blocking and easy-to-disassemble heating pipeline filter

Abstract

The utility model relates to fluid filtering technical field discloses a kind of anti-blocking, easy to dismantle's heating pipeline filter, including conduit, the outside of the conduit is provided with filter mechanism, the filter mechanism includes placement cylinder, the outside one end of the placement cylinder is threadedly connected with lid, the inside sliding connection of the placement cylinder has filter cylinder, the inside fixed connection of the filter cylinder has a plurality of connecting blocks, the rotary connection of the connecting block has support connecting rod, the outside rotary connection of the support connecting rod has push column, the inside of the conduit is provided with quick replacement assembly.In the utility model, when lid is closed, it is pushed along the placement cylinder axial push column, the support connecting rod rotationally connected with push column is unfolded to filter cylinder inner wall, triangular support structure is formed, filter cylinder is fixed in the inside center position of conduit, filter cylinder is impacted by medium, and deviation is prevented, the coaxiality of filter cylinder and conduit is continuously maintained, and its service life is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of fluid filtration technology, and in particular to a clog-resistant and easily disassembled heating pipeline filter. Background Technology

[0002] In urban centralized heating and industrial enterprise self-supplied heating pipeline systems, heating pipeline filters are mainly used to filter solid impurities such as rust, mud, and welding slag mixed in the heating medium. They are usually installed at the front end of key equipment such as heat exchangers, valves, and water pumps to prevent impurities from clogging or wearing down the equipment and to ensure the stable operation of the heating system and the quality of heating.

[0003] Conventional heating pipeline filters typically consist of a shell, filter cartridge, inlet and outlet flanges, and a drain assembly. During operation, the heating medium enters the shell through the filter inlet and flows through the filter screen of the filter cartridge. Solid impurities in the medium are trapped on the outside of the filter cartridge by the screen, while the filtered clean medium passes through the screen and flows from the inside of the filter cartridge to the outlet. When impurities accumulate on the outside of the filter cartridge, causing the inlet and outlet pressure difference to reach a set value, the operator closes the inlet and outlet valves and opens the drain valve, using the medium pressure to discharge the trapped impurities, thus completing the filter cartridge cleaning.

[0004] In existing technologies, when the flow rate of the medium fluctuates due to changes in user load in the heating system, the sudden increase in flow rate can generate axial or radial impact force on the filter cartridge. If the load-bearing strength of the fixed structure is insufficient, a gap may exist between the filter cartridge and the fixed components, causing the filter cartridge to easily shift. This results in an increase in the filtration gap, allowing some fine impurities to flow out through the increased gap, bypassing the filter screen and causing leakage. These impurities then enter downstream equipment with the medium, leading to problems such as valve jamming and reduced heat exchange efficiency of heat exchangers. Therefore, a clog-resistant and easily disassembled heating pipeline filter is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a clog-resistant and easily disassembled heating pipeline filter, which aims to improve the problem that the filter cartridge in some existing heating pipeline filters is prone to displacement due to fluctuations in the flow rate of the heating medium, resulting in increased filtration gaps and leakage.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A clog-resistant and easily disassembled heating pipe filter includes a conduit with two flanges fixedly connected to its outer sides. A gauge is installed on the top of the conduit. A filtering mechanism and a shearing mechanism are also installed on the outside of the conduit. The filtering mechanism includes a placement cylinder, which is fixedly connected to the outside of the conduit. A cap is threaded to one end of the placement cylinder. A filter cylinder is slidably connected inside the placement cylinder. Multiple connecting blocks are fixedly connected inside the filter cylinder. Supporting rods are rotatably connected to the connecting blocks. A pushing column is rotatably connected to the outside of the supporting rods. A quick-change assembly is installed inside the conduit.

[0008] As a further description of the above technical solution:

[0009] The shearing mechanism includes a motor, which is externally fixedly connected to the outside of the conduit, and a rotating shaft is fixedly connected to the drive end of the motor.

[0010] As a further description of the above technical solution:

[0011] The filter cartridge is slidably connected to the outside of the conduit, and the push column is slidably connected to the outside of the filter mechanism.

[0012] As a further description of the above technical solution:

[0013] The quick-change assembly includes a filter screen, the outside of which is slidably connected to the inside of the conduit, and a connecting plate is fixedly connected to the outside of which the filter screen is.

[0014] As a further description of the above technical solution:

[0015] The connecting plate is slidably connected to a limiting frame, and the limiting frame is fixedly connected to the outside of the conduit.

[0016] As a further description of the above technical solution:

[0017] The rotating shaft is rotatably connected to the inside of the conduit, and multiple connecting posts are fixedly connected to the outside of the rotating shaft.

[0018] As a further description of the above technical solution:

[0019] A shearing blade assembly is fixedly connected to the outside of the connecting column. The shearing blade assembly has a rhomboid body, and multiple blades are arranged on the outside of the rhomboid body.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, when the cover is closed, it pushes the push column along the axial direction of the placement cylinder, causing the support rod connected to the push column to unfold towards the inner wall of the filter cylinder, forming a triangular support structure. This fixes the filter cylinder in the center position inside the guide tube, realizing the function of the filter cylinder resisting the impact of the medium and preventing displacement and deformation. It solves the problem that the filter cylinder is prone to displacement due to fluctuations in the flow rate of the heating medium, which leads to an increase in the filtration gap and leakage. It continuously maintains the coaxiality of the filter cylinder and the guide tube, ensuring stable filtration accuracy. At the same time, it avoids the filter cylinder from being scrapped prematurely due to deformation, significantly extending its service life.

[0022] 2. In this utility model, the rotating shaft of the shearing mechanism drives the connecting column and the shearing blade assembly to work together. The high-speed rotation of the rotating shaft provides stable power for the shearing blade assembly, while the connecting column ensures a firm connection between the blade assembly and the shaft. The multiple blades of the diamond-shaped blade assembly allow impurities to be cut more thoroughly, achieving comprehensive treatment of fiber impurities flowing in different directions. This prevents uncut long fibers from entering the subsequent filtration stage and clogging the filter holes, significantly improving the impurity treatment efficiency, reducing the probability of filter hole clogging, reducing the pressure drop of the medium in the conduit, and ensuring the heat exchange efficiency and energy consumption stability of the heating system. Attached Figure Description

[0023] Figure 1 This is a three-dimensional schematic diagram of a clog-resistant and easily disassembled heating pipeline filter proposed in this utility model.

[0024] Figure 2 This is a schematic diagram of the cover of a heating pipeline filter that is clogging-resistant and easy to disassemble, as proposed in this utility model.

[0025] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0026] Figure 4 This is a schematic diagram of the push column of a heating pipeline filter that is resistant to clogging and easy to disassemble, as proposed in this utility model.

[0027] Legend:

[0028] 1. Conduit; 2. Filtering mechanism; 21. Placement cylinder; 22. Cover; 23. Filter cylinder; 24. Push column; 25. Connecting block; 26. Support rod; 27. Quick change component; 271. Filter screen; 272. Connecting plate; 273. Limiting bracket; 3. Inspector; 4. Shearing mechanism; 41. Motor; 42. Rotating shaft; 43. Connecting column; 44. Shearing blade assembly; 5. Flange. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example:

[0031] A clog-resistant, easily removable heating pipe filter, as described in the reference. Figure 1 , Figure 3 and Figure 4 The system includes a conduit 1, with two flanges 5 fixedly connected to its outer sides. The flanges 5 are used to quickly connect the equipment to the main heating pipeline. The sealing surface of the flanges 5 is equipped with a heat-resistant sealing ring to prevent media leakage. A gauge 3 is installed on the top of the conduit 1. The gauge 3 can monitor the pressure difference between the inlet and outlet of the conduit 1 and the media pressure in real time. When the pressure difference exceeds the set threshold, it will indicate blockage, which will facilitate timely maintenance. A filter mechanism 2 is installed on the outside of the conduit 1. The filter mechanism 2 is used to perform the core media filtration function. It integrates filtration, support and quick replacement structure, and takes into account both filtration accuracy and maintenance convenience. A shearing mechanism 4 is installed on the outside of the conduit 1. The shearing mechanism 4 is used to break up easily entangled impurities in advance, reducing the risk of filter component blockage from the source. The conduit 1 is used to connect to the heating pipeline.

[0032] The filter mechanism 2 includes a placement cylinder 21, which is externally fixedly connected to the outside of the conduit 1. A cover 22 is threadedly connected to one end of the placement cylinder 21. When the cover 22 is closed, it axially pushes the push column 24, sealing the placement cylinder 21 through a sealing ring to prevent media leakage from the threaded gap. A filter cylinder 23 is slidably connected inside the placement cylinder 21. The placement cylinder 21 has a certain pressure-bearing capacity, working with the conduit 1 to withstand system pressure. Multiple connecting blocks 25 are fixedly connected inside the filter cylinder 23. The filter cylinder 23 has evenly spaced openings in its wall to ensure media flow. Its bottom is fitted against the support platform of the conduit 1 for initial positioning. After being fixed with the support rod 26, it prevents media impact and displacement. The connecting blocks 25 are rotatably connected to the support rod 26. The connecting blocks 25 are fixed by welding to enhance structural strength. To prevent breakage during support and enhance the structural stability of the filter cartridge 23, a push column 24 is rotatably connected to the external support rod 26. The support rod 26 is made of high-strength alloy rod, and its two ends are rotatably connected to the connecting block 25 and the push column 24 through pins. The triangular stability is used to fix the filter cartridge 23 to the center of the guide tube 1 to prevent displacement and deformation. The guide tube 1 is equipped with a quick replacement component 27, which is a structure for convenient disassembly and assembly of the filter screen 271. The filter screen 271 can be replaced without disassembling the pipeline, which greatly shortens the maintenance time. The external sliding connection of the filter cartridge 23 is inside the guide tube 1, and the external sliding connection of the push column 24 is outside the filter mechanism 2. When the cover 22 is closed, it receives the axial thrust and transmits it to the support rod 26, which drives the rod to unfold synchronously.

[0033] The quick-change component 27 includes a filter screen 271, which is externally slidably connected to the inside of the conduit 1. A connecting plate 272 is fixedly connected to the outside of the filter screen 271. The filter screen 271 can initially intercept fine particles. The material has temperature resistance and corrosion resistance properties to prevent rusting after long-term use. A limit bracket 273 is externally slidably connected to the outside of the connecting plate 272. One end of the connecting plate 272 is welded and fixed to the filter screen 271, and the other end extends to the outside of the conduit 1 for easy manual pulling. The limit bracket 273 is externally fixedly connected to the outside of the conduit 1. The limit bracket 273 clamps the connecting plate 272 through elastic friction, realizing quick locking and unlocking of the filter screen 271.

[0034] Reference Figure 2 and Figure 3The shearing mechanism 4 includes a motor 41, which is externally fixedly connected to the outside of the conduit 1. A rotating shaft 42 is fixedly connected to the drive end of the motor 41. The motor 41 is a small asynchronous motor, adapted to the flow rate of the heating medium, and can provide stable torque to drive the rotating shaft 42. The outer casing has a waterproof and heat dissipation structure to prevent damage from moisture or overheating in the heating environment. The rotating shaft 42 is externally rotatably connected to the inside of the conduit 1, and multiple connecting posts 43 are fixedly connected to its exterior. The rotating shaft 42 is rotatably connected to the inner wall of the conduit 1 via bearings to reduce rotational friction. The shaft body is equipped with… The keyway is fixed to the connecting post 43 to ensure stable torque transmission and avoid slippage. The connecting post 43 is fixedly connected to the outside of the shearing blade assembly 44. The connecting post 43 is evenly distributed around the circumference of the rotating shaft 42, and its length is adapted to the inner diameter of the conduit 1. It is connected to the rotating shaft 42 by welding, which can extend the working radius of the shearing blade assembly 44 and ensure that it covers the entire medium flow channel. The shearing blade assembly 44 has a rhomboid body. The rhomboid body of the shearing blade assembly 44 has no dead angle shearing. Four high-speed steel blades are evenly distributed on the outside. The cutting edge is sharp and wear-resistant and can cut fibrous impurities. Multiple blades are set on the outside of the rhomboid body.

[0035] The implementation principle of this embodiment is as follows: The equipment is fixedly connected to the main heating pipeline by means of flange 5. After opening the threaded connection cover 22 of the filter mechanism 2, the filter cylinder 23 is slid in along the inner wall of the placement cylinder 21 until the bottom of the filter cylinder 23 is in contact with the support platform inside the conduit 1. When the cover 22 is closed, it will push the push column 24. Since the push column 24 is rotatably connected to the support rod 26, the support rod 26 can be unfolded to form a triangular support structure, which fixes the filter cylinder 23 in the center position inside the conduit 1, avoiding the filter cylinder 23 from shifting or deforming due to the impact of the medium. Then, the filter screen 271 is slid in along the sliding groove on the inner wall of the conduit 1, so that the connecting plate 272 outside the filter screen 271 is engaged with the limiting frame 273 outside the conduit 1. The elastic friction of the limiting frame 273 is used to lock the connecting plate 272, thus completing the installation of the filter screen 271.

[0036] When the heating system is started, the heating medium flows in from one end of the conduit 1. It first flows through the shearing mechanism 4 to complete the impurity pretreatment and prevent impurities from entangled in the filter screen 271. The motor 41 drives the rotating shaft 42 to rotate at high speed inside the conduit 1. Multiple connecting columns 43 fixed outside the rotating shaft 42 rotate synchronously with the shaft, driving the shearing blade group 44 at the end of the connecting column 43 to rotate. Because the shearing blade group 44 has a rhomboid body and the blades are evenly distributed on the outer periphery of the rhomboid, it can cut up the fibrous impurities mixed in the medium and prevent such impurities from entangled and clogging the filter cylinder 23 or filter screen 271 during subsequent filtration.

[0037] The medium processed by the shearing mechanism 4 first undergoes preliminary filtration through the filter screen 271, and then flows through the filter cartridge 23 for secondary filtration. When replacing the filter cartridge 23, simply unscrew the cover 22. When replacing the filter screen 271, simply pull it out of the limit frame 273. The test gauge 3 monitors the working condition inside the conduit 1. When the impurities attached to the filter cartridge 23 or filter screen 271 increase, the medium flow resistance increases, and the pressure difference rises accordingly. If the pressure difference exceeds the set threshold, it indicates that the filter screen 271 is close to being blocked and needs to be cleaned or replaced in time.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A clog-resistant and easily disassembled heating pipe filter, comprising a conduit (1), characterized in that: Two flanges (5) are fixedly connected to the outer sides of the conduit (1), a test gauge (3) is provided on the top of the conduit (1), a filter mechanism (2) is provided on the outside of the conduit (1), and a shearing mechanism (4) is provided on the outside of the conduit (1). The filtration mechanism (2) includes a placement cylinder (21), which is fixedly connected to the outside of the conduit (1). A cover (22) is threadedly connected to one end of the placement cylinder (21). A filter cylinder (23) is slidably connected inside the placement cylinder (21). Multiple connecting blocks (25) are fixedly connected inside the filter cylinder (23). A support rod (26) is rotatably connected to the connecting block (25). A push column (24) is rotatably connected to the outside of the support rod (26). A quick-change assembly (27) is provided inside the conduit (1).

2. The anti-clogging and easily disassembled heating pipeline filter according to claim 1, characterized in that: The shearing mechanism (4) includes a motor (41), which is fixedly connected to the outside of the conduit (1), and a rotating shaft (42) is fixedly connected to the drive end of the motor (41).

3. A clog-resistant and easily disassembled heating pipeline filter according to claim 1, characterized in that: The filter cartridge (23) is slidably connected to the outside of the conduit (1), and the push column (24) is slidably connected to the outside of the filter mechanism (2).

4. A clog-resistant and easily disassembled heating pipeline filter according to claim 3, characterized in that: The quick-change assembly (27) includes a filter screen (271), the outside of which is slidably connected to the inside of the conduit (1), and a connecting plate (272) is fixedly connected to the outside of the filter screen (271).

5. A clog-resistant and easily disassembled heating pipeline filter according to claim 4, characterized in that: The connecting plate (272) is externally slidably connected to a limiting frame (273), and the limiting frame (273) is externally fixedly connected to the outside of the conduit (1).

6. A clog-resistant and easily disassembled heating pipeline filter according to claim 2, characterized in that: The rotating shaft (42) is rotatably connected to the inside of the conduit (1), and a plurality of connecting posts (43) are fixedly connected to the outside of the rotating shaft (42).

7. A clog-resistant and easily disassembled heating pipeline filter according to claim 6, characterized in that: The connecting column (43) is fixedly connected to a shearing blade assembly (44), which is a rhomboid body with multiple blades on its exterior.

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