Cross-shaped filter

The cross-shaped filter design solves the problems of time-consuming and laborious cleaning and pipe damage caused by cone filters, providing a solution for quick installation, convenient cleaning and high-efficiency filtration, suitable for a variety of harsh environments.

CN224056799UActive Publication Date: 2026-03-31SHAANXI CHANGQING ENERGY & CHEM IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing cone filters are time-consuming and laborious to clean and can easily damage pipes, leading to inconvenience in disassembly and installation and the risk of leakage.

Method used

Design a cross-shaped filter with a cross-shaped short connecting pipe, upper cover and lower cover structure, which can be quickly installed by bolt connection. Combined with a funnel-shaped inner wall and a conical filter element assembly, it is equipped with a pick-and-place rack for easy cleaning and to secure the filter element. The material is 2507 stainless steel or fiberglass to improve corrosion resistance.

Benefits of technology

It enables rapid installation, convenient cleaning, and prevention of pipe damage, improves filtration efficiency and corrosion resistance, reduces equipment maintenance costs, and ensures the stability and consistency of filtration performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cross-shaped filter and belongs to the technical field of filters. The cross-shaped filter comprises a cross-shaped short connecting pipe, an upper cover and a lower cover, the upper cover is arranged on the top face of the cross-shaped short connecting pipe, the lower cover is arranged on the bottom face of the cross-shaped short connecting pipe, inserting holes are formed in the two sides of the outer wall of the cross-shaped short connecting pipe respectively, and side pipes are communicated with the interiors of the two inserting holes respectively. The inner wall of the cross-shaped short connecting pipe is arranged to be in a funnel shape, a filter element assembly is placed on the inner wall of the cross-shaped short connecting pipe, the filter element assembly comprises a core body, a drainage hole is formed in the side, close to one inserting hole, of the core body, and a taking and placing frame is installed in the core body. Compared with a conical filter, the cross-shaped filter has the remarkable advantages that the filter is convenient to clean, and a pipeline is not damaged in the cleaning process, and when the filter element needs to be cleaned, the upper cover of the cross-shaped filter is detached, and the filter element is lifted out for cleaning.
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Description

Technical Field

[0001] This utility model relates to the field of filter technology, specifically a cross-shaped filter. Background Technology

[0002] In flue gas desulfurization systems, ammonium sulfate slurry is transported through primary and secondary circulating pumps to the circulating tank and desulfurization tower to achieve circulation, spraying, and concentration effects. However, during the operation of the desulfurization system, phenomena such as ammonium sulfate agglomeration, fiberglass pipeline delamination in the circulating tank and desulfurization tower, glass flake desulfurization, and steel structure damage can easily cause pump blockage or damage. To prevent these situations from adversely affecting the pumps, filters are installed on the pump inlet pipeline. The commonly used filter is a flat-top cone filter. This type of filter requires a flange short-connection on the inlet pipeline, and the filter is installed inside the flange short-connection. Cleaning requires the entire flange short-connection to be removed, which is very time-consuming and labor-intensive. At the same time, the removal and installation of the flange short-connection can easily cause damage such as tearing and wear to the inlet pipeline, leading to pipeline leakage. To avoid this problem, a simple cross-shaped filter has been designed. When cleaning the filter element, only the top cover of the filter needs to be removed, which improves the efficiency of filter cleaning and avoids damage to the inlet pipeline. Utility Model Content

[0003] The technical problem this cross-shaped filter aims to solve is to provide a new type of filter that improves upon the time-consuming and laborious cleaning of cone filters, which can easily damage pipelines. It features a simple structure, good filtration performance, easy installation, and convenient cleaning.

[0004] In view of the above problems, the technical solution proposed by this utility model is as follows:

[0005] A cross-shaped filter includes a cross-shaped short connector, an upper cover, and a lower cover. The upper cover is provided on the top surface of the cross-shaped short connector, and the lower cover is provided on the bottom surface of the cross-shaped short connector. Insertion holes are respectively opened on both sides of the outer wall of the cross-shaped short connector, and the interiors of the two insertion holes are respectively connected to side tubes. The inner wall of the cross-shaped short connector is funnel-shaped, and a filter element assembly is placed on the inner wall of the cross-shaped short connector. The filter element assembly includes a core, and the core has a drainage hole on the side near one of the insertion holes. A pick-and-place rack is installed inside the core.

[0006] Furthermore, screw holes are provided on the upper and lower sides of the cross-shaped short pipe, and bolts are inserted at the edges of the upper and lower covers, with one end of the bolt engaging with the inside of the screw hole.

[0007] The advantages of adopting the above-mentioned further solution are that installation only requires tightening the bolts to securely install the upper and lower covers onto the cross-shaped short connecting pipe, which is convenient and quick. Furthermore, this connection method offers high stability, can withstand a certain amount of pressure, and ensures that loosening will not occur during the filtration process, preventing leakage.

[0008] Furthermore, the side pipe includes a pipe body, one end of which is fitted with a flange.

[0009] The advantages of adopting the above-mentioned further solutions are that the installation and use of flanges facilitates quick connection with other pipelines. Flange connections offer good sealing performance, effectively preventing fluid leakage, while also facilitating disassembly and maintenance. They also allow for easy connection with pipelines of different diameters during pipeline system modifications or filter replacements.

[0010] Furthermore, the filter element assembly is configured as a cone shape, and the outer wall of the filter element assembly is in contact with the inner wall of the cross-shaped short connecting pipe.

[0011] The beneficial effects of adopting the above-mentioned further solution are that it increases the contact area between the filter element and the fluid, thereby improving filtration efficiency. The tightly fitting structure prevents unfiltered fluid from flowing out from the gaps between the filter element and the inner wall of the short connecting pipe, ensuring the reliability of the filtration effect.

[0012] Furthermore, the pick-and-place rack includes a ring frame, which is installed on the top side of the core. A lifting plate is connected inside the ring frame, and a vertical shaft is connected to the center of the bottom surface of the lifting plate. The bottom end of the vertical shaft passes through the core and is connected to the ring frame. The top surface of the ring frame is in contact with the top surface of the core.

[0013] The advantage of adopting the above-mentioned further solution is that the filter element assembly can be easily removed from or inserted into the cross-shaped short connecting pipe through the lifting plate, vertical shaft, and ring frame. During installation, the ring frame and ring frame are respectively attached to the top surface of the lower cover and the bottom surface of the upper cover, which serves to fix the filter element assembly and prevent it from shaking or shifting during the filtration process.

[0014] Furthermore, the top surface of the ring frame is in contact with the bottom surface of the upper cover, and the bottom surface of the ring frame is in contact with the top surface of the lower cover.

[0015] The beneficial effect of adopting the above-mentioned further solution is that it enhances the stability of the filter element assembly within the cross-shaped short connecting pipe. Even with high-speed fluid flow or changes in system pressure, it ensures that the filter element assembly remains in the correct position, continuously and stably performing filtration.

[0016] Furthermore, the material of the cross-shaped short connector, upper cover, lower cover, and filter element assembly is set to either 2507 stainless steel or fiberglass.

[0017] The beneficial effects of adopting the above-mentioned further solutions are that 2507 stainless steel and fiberglass materials have good corrosion resistance. When filtering fluids containing corrosive substances such as acids and alkalis, the filter is not easily corroded and damaged, which extends the service life of the filter, reduces equipment maintenance costs, and is suitable for a variety of harsh working environments.

[0018] Furthermore, one of the side tubes is configured as a feed tube, which matches the drain hole.

[0019] The beneficial effect of adopting the above-mentioned further solution is that the fluid entering the filter can be accurately introduced into the filter element assembly through the drainage hole and filtered according to the preset path, avoiding disorderly flow of the fluid in the short pipe, improving the targeting and efficiency of filtration, and ensuring the consistency of filtration effect.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] This type of cross-shaped filter effectively removes impurities from the filter media. Compared to cone filters, it offers significant advantages such as easier cleaning and minimal damage to the piping during the cleaning process. When cleaning is needed, simply remove the top cover of the cross-shaped filter, lift out the filter element for cleaning, and reinstall it after cleaning. The cross-shaped structure of the short connecting pipe and the side pipes connecting both sides enable multi-directional fluid filtration. The funnel-shaped inner wall design facilitates impurity collection, allowing the placed filter element assembly to effectively filter impurities in the fluid. The flow guide holes in the element guide fluid in a specific direction into the filter element, improving filtration efficiency. The convenient mounting bracket facilitates the installation, disassembly, and cleaning of the filter element assembly. Attached Figure Description

[0022] The accompanying drawings are provided to further understand this application and form part of the specification. They are used together with the embodiments of this application to explain this application and do not constitute a limitation thereof.

[0023] Figure 1 A three-dimensional schematic diagram of a cross-shaped filter provided by this utility model;

[0024] Figure 2 A schematic diagram showing the unfolded shape of a cross-shaped filter provided by this utility model;

[0025] Figure 3 A cross-shaped filter provided by this utility model;

[0026] Figure 4 A schematic diagram of the filter element assembly structure of a cross-shaped filter provided by this utility model;

[0027] Figure 5 A schematic diagram of the pick-and-place rack structure for a cross-shaped filter provided by this utility model.

[0028] In the diagram: 100, cross-shaped short connecting pipe; 200, side pipe; 2001, pipe body; 2002, flange; 300, top cover; 400, bottom cover; 500, screw hole; 600, insertion hole; 700, filter element assembly; 7001, core body; 7002, drainage hole; 800, pick-and-place rack; 8001, ring frame; 8002, lifting plate; 8003, vertical shaft; 8004, ring frame. 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] Please see Figures 1-5 This utility model provides a technical solution: a cross-shaped filter, including a cross-shaped short tube 100, an upper cover 300, and a lower cover 400. The upper cover 300 is provided on the top surface of the cross-shaped short tube 100, and the lower cover 400 is provided on the bottom surface of the cross-shaped short tube 100. Insertion holes 600 are respectively opened on both sides of the outer wall of the cross-shaped short tube 100. The interior of the two insertion holes 600 is connected to the side tubes 200. The inner wall of the cross-shaped short tube 100 is funnel-shaped, and a filter element assembly 700 is placed on the inner wall of the cross-shaped short tube 100. The filter element assembly 700 includes a core 7001. The core 7001 has a drainage hole 7002 on one side near one of the insertion holes 600. A pick-and-place rack 800 is installed inside the core 7001. The cross structure of the cross-shaped short tube 100 and the side tubes 200 connected on both sides can realize multi-directional fluid filtration. The funnel-shaped inner wall design facilitates the collection of impurities, allowing the placed filter element assembly 700 to effectively filter impurities from the fluid. The flow-guiding holes 7002 in the core 7001 guide fluid in a specific direction into the filter element, improving filtration efficiency. The pick-and-place rack 800 facilitates the installation, removal, and cleaning of the filter element assembly 700.

[0031] 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.

[0032] As one embodiment of this utility model, the cross-shaped short connector 100 is further provided with screw holes 500 on its upper and lower sides. Bolts are inserted through the edges of the upper cover 300 and the lower cover 400, with one end of the bolt engaging with the inside of the screw hole 500. During installation, simply tightening the bolts securely installs the upper and lower covers onto the cross-shaped short connector, which is convenient and quick. Furthermore, this connection method offers high stability and can withstand a certain amount of pressure, ensuring that loosening and leakage will not occur during the filtration process.

[0033] As one embodiment of this utility model, the side pipe 200 further includes a pipe body 2001, and a flange 2002 is installed at one end of the pipe body 2001. The flange 2002 facilitates quick connection with other pipes. The flange connection provides good sealing performance, effectively preventing fluid leakage, and is also easy to disassemble and maintain. It allows for easy connection with pipes of different diameters during pipeline system modifications or filter replacements.

[0034] In one embodiment of this utility model, the filter element assembly 700 is further configured as a cone shape, and the outer wall of the filter element assembly 700 is in close contact with the inner wall of the cross-shaped short connecting tube 100, which increases the contact area between the filter element and the fluid and improves the filtration efficiency. The tightly fitted structure prevents unfiltered fluid from flowing out from the gap between the filter element and the inner wall of the short connecting tube, ensuring the reliability of the filtration effect.

[0035] As an embodiment of this utility model, the pick-and-place rack 800 further includes a ring frame 8001. The ring frame 8001 is installed on the top side of the core 7001. A lifting plate 8002 is connected inside the ring frame 8001. A vertical shaft 8003 is connected to the center of the bottom surface of the lifting plate 8002. The bottom end of the vertical shaft 8003 passes through the core 7001 and is connected to a ring frame 8004. The top surface of the ring frame 8004 is in contact with the top surface of the core 7001. Through the lifting plate 8002, the vertical shaft 8003 and the ring frame 8004, the filter element assembly 700 can be easily taken out or put into the cross-shaped short tube 100. During installation, the ring frame 8004 and the ring housing 8001 are respectively attached to the top surface of the lower cover 400 and the bottom surface of the upper cover 300, serving to fix the filter element assembly 700 and prevent it from shaking or shifting during filtration. The top surface of the ring housing 8001 is attached to the bottom surface of the upper cover 300, and the bottom surface of the ring frame 8004 is attached to the top surface of the lower cover 400, enhancing the stability of the filter element assembly 700 within the cross-shaped short connecting pipe 100. This ensures that the filter element assembly 700 remains in the correct position and performs continuous and stable filtration even during high-speed fluid flow or system pressure changes.

[0036] As an embodiment of this utility model, the cross-shaped short connecting pipe 100, the upper cover 300, the lower cover 400, and the filter element assembly 700 are made of either 2507 stainless steel or fiberglass. 2507 stainless steel and fiberglass have good corrosion resistance. When filtering fluids containing corrosive substances such as acids and alkalis, the filter is not easily corroded and damaged, which extends the service life of the filter, reduces equipment maintenance costs, and is suitable for a variety of harsh working environments.

[0037] As an embodiment of this utility model, one of the side pipes 200 is further configured as a feed pipe, which matches the flow hole 7002. This allows the fluid entering the filter to accurately enter the filter element assembly 700 through the flow hole 7002 and be filtered according to a preset path. This avoids the fluid flowing randomly in the short pipe, improves the targeting and efficiency of filtration, and ensures the consistency of filtration effect.

[0038] Specifically, the working principle of this cross-shaped filter is as follows: During use, fluid flows into the cross-shaped short connecting pipe 100 from the side pipe 200, which serves as the feed pipe. Because the inner wall of the cross-shaped short connecting pipe 100 is funnel-shaped, large particles of impurities converge to the bottom due to gravity as the fluid flows within it. Simultaneously, the drainage hole 7002 corresponding to the feed pipe guides the fluid into the filter element assembly 700. The filter element assembly 700 is conical in shape, and its outer wall fits tightly against the inner wall of the cross-shaped short connecting pipe 100, effectively filtering impurities from the fluid. The filtered fluid flows out through other side pipes of the cross-shaped short connecting pipe 100. Inside the filter element assembly 700, the ring frame 8001, lifting plate 8002, vertical shaft 8003, and support plate 8004 of the pick-and-place frame 800 work together to securely install the filter element assembly 700 within the cross-shaped short connecting pipe 100, and facilitates easy removal of the filter element assembly 700 for cleaning or replacement via the lifting plate 8002 when needed. The upper cover 300 and lower cover 400 are connected to the threaded holes 500 on both sides of the cross-shaped short connecting pipe 100 by bolts, ensuring the filter's sealing performance. The flange 2002 at one end of the side pipe 200 facilitates connection to other pipelines. The filter element assembly 700 is made of 2507 stainless steel or fiberglass, ensuring good corrosion resistance when exposed to different fluids and guaranteeing long-term stable operation of the filter.

Claims

1. A cross filter, characterized in that The utility model provides a cross type short pipe (100), upper cover (300) and lower cover (400) are included, the top of cross type short pipe (100) sets up upper cover (300), the bottom of cross type short pipe (100) sets up lower cover (400), the outer wall both sides of cross type short pipe (100) are seted up with the jack (600) respectively, and the inside of two the jack (600) is communicated with side pipe (200) respectively, the inner wall of cross type short pipe (100) is set as funnel shape, and the inner wall of cross type short pipe (100) places filter core subassembly (700), filter core subassembly (700) includes core body (7001), the side of core body (7001) is equipped with drainage hole (7002) near one of the jack (600), and the inside of core body (7001) is installed with taking and placing frame (800).

2. A cross filter according to claim 1, wherein The upper and lower sides of the cross type short pipe (100) are respectively provided with screw holes (500), and the edges of the upper cover (300) and the lower cover (400) are respectively inserted with bolts, one end of the bolt is engaged with the inside of the screw hole (500).

3. A cross filter according to claim 1, wherein The side pipe (200) includes a pipe body (2001), and one end of the pipe body (2001) is provided with a flange (2002).

4. A cross filter according to claim 1, wherein The filter core subassembly (700) is in the shape of a conical cylinder, and the outer wall of the filter core subassembly (700) is in close contact with the inner wall of the cross type short pipe (100).

5. A cross filter according to claim 1, wherein The taking and placing frame (800) includes a ring frame (8001), the top side of the core body (7001) is provided with the ring frame (8001), the inside of the ring frame (8001) is connected with a lifting plate (8002), the bottom surface of the lifting plate (8002) is connected with a vertical shaft (8003) at the center position, the bottom end of the vertical shaft (8003) penetrates the core body (7001) and is connected with a ring support (8004), and the top surface of the ring support (8004) is in contact with the top surface of the core body (7001).

6. A cross filter according to claim 1, wherein The taking and placing frame (800) includes a ring frame (8001), the top side of the core body (7001) is provided with the ring frame (8001), the inside of the ring frame (8001) is connected with a lifting plate (8002), the bottom surface of the lifting plate (8002) is connected with a vertical shaft (8003) at the center position, the bottom end of the vertical shaft (8003) penetrates the core body (7001) and is connected with a ring support (8004), and the top surface of the ring support (8004) is in contact with the top surface of the core body (7001).

7. A cross filter according to claim 1, wherein The cross type short pipe (100), the upper cover (300), the lower cover (400) and the filter core subassembly (700) are made of 2507 stainless steel or glass steel.

8. A cross filter according to claim 1, wherein One of the side pipes (200) is an inlet pipe, and the inlet pipe is matched with the drainage hole (7002).