Security filter for superfine medium

Abstract

The utility model relates to the technical field of filtering equipment, in particular to a security filter for superfine media, which comprises a filter cartridge, a water inlet pipe fixedly mounted on a bottom cartridge body of the filter cartridge, a conical hopper fixedly mounted at the bottom end of the filter cartridge, a blow-off pipe fixedly mounted at the bottom end of the conical hopper, and a blow-off valve fixedly mounted on the blow-off pipe. A top cover is fixedly installed at the top of the filter cartridge, a water outlet pipe is fixedly installed on the conical hopper, a vertical pipe is fixedly installed at the water inlet end of the water outlet pipe and located in the conical hopper, an insertion pipe is inserted in the vertical pipe in a matched mode, and a supporting disc is fixedly installed at the top end of the insertion pipe. A nano ceramic filter plate is fixedly installed between the supporting disc and the upper disc, the top cover is pressed on the upper disc, and the water outlet end of the water outlet pipe is located outside the conical hopper. According to the utility model, high-precision filtration and backwashing operation can be carried out, and impurity cleaning operation is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of filtration equipment technology, and more specifically, to a security filter for ultrafine media. Background Technology

[0002] Security filters, also known as high-precision filters, are increasingly important in today's industrial production and daily life, where the requirements for water purification and fluid filtration are becoming more and more stringent. As a key link in ensuring the stable operation of subsequent treatment equipment and improving product quality, the performance of security filters directly affects the effectiveness and efficiency of the entire process.

[0003] Traditional security filters have revealed many shortcomings when faced with high-precision filtration requirements. From the perspective of filter media, common filter media such as PP cotton and ordinary wound filter elements have fiber coarseness and pore distribution that make it difficult to achieve efficient interception of extremely fine particles. The ordinary media used in traditional security filters cannot stably filter such tiny impurities to the level that meets production standards, resulting in an increased product defect rate.

[0004] Furthermore, traditional security filters have limited dirt-holding capacity. As usage time increases, impurities quickly clog the pores of the filter media, causing a rapid increase in filter pressure drop. The clogged impurities are also difficult to clean, shortening the filter element replacement cycle and increasing maintenance costs. Therefore, we propose a security filter using ultrafine media. Utility Model Content

[0005] The purpose of this invention is to provide a security filter for ultrafine media to address the deficiencies mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A security filter for ultrafine media includes a filter cartridge. An inlet pipe is fixedly installed on the bottom of the filter cartridge. A conical hopper is fixedly installed at the bottom end of the filter cartridge. A drain pipe is fixedly installed at the bottom end of the conical hopper. A drain valve is fixedly installed on the drain pipe. A top cover is fixedly installed on the top of the filter cartridge. An outlet pipe is fixedly installed on the conical hopper. A vertical pipe is fixedly installed at the inlet end of the outlet pipe. The vertical pipe is located inside the conical hopper. A connector is inserted into the vertical pipe. A support plate is fixedly installed at the top end of the connector. An upper plate is positioned above the support plate. A nano-ceramic filter plate, which is hollow, is fixedly installed between the support plate and the upper plate. The top cover is pressed against the upper plate. The outlet end of the outlet pipe is located outside the conical hopper.

[0008] Preferably, a support ring is fixedly installed on the top cylinder of the filter cartridge, and the top cover and the support ring are fixedly connected by multiple fastening bolts.

[0009] Preferably, an annular groove is provided on the upper surface of the support ring, and a sealing ring is engaged in the annular groove.

[0010] Preferably, a clamping plate is fixedly installed at the center of the upper surface of the upper plate, and a clamping sleeve is fixedly installed at the center of the bottom surface of the top cover, with the clamping sleeve fitted onto the clamping plate.

[0011] Preferably, the size of the clamping sleeve is adapted to the size of the clamping plate, and a rubber pad is fixedly installed on the top wall of the clamping sleeve.

[0012] Preferably, a plurality of support rods are fixedly installed between the vertical pipe and the inner wall of the conical bucket, and the support rods are cylindrical.

[0013] Preferably, a sealing ring is fixedly installed on the insertion tube, and a rubber ring is sleeved on the insertion tube, with the sealing ring pressing the rubber ring tightly against the upper surface of the vertical tube.

[0014] Preferably, a plurality of support beams are fixedly installed between the support plate and the upper plate, and the nano-ceramic filter plate is fixedly installed on the support beams.

[0015] Preferably, a three-way pipe is fixedly installed at the outlet end of the water outlet pipe, a three-way valve is fixedly installed on the three-way pipe, a clean water pipe is fixedly installed on another pipe body of the three-way pipe, and a backwash pipe is fixedly installed on the remaining pipe body of the three-way pipe.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This utility model achieves high-precision interception of fine impurities in fluids by setting up a nano-ceramic filter plate and installing it between the support plate and the upper plate, utilizing the characteristics of nano-ceramic materials, thereby effectively improving the filtration accuracy.

[0018] 2. This utility model, by equipping a conical bucket, a drain pipe, and a drain valve, can promptly discharge impurities that settle at the bottom during the filtration process; at the same time, a three-way pipe and a three-way valve are installed on the water outlet pipe, which can flexibly switch the direction of the clean water flow to perform clean water output or backwashing operation, realizing convenient sewage discharge and cleaning functions of the equipment, thereby extending the service life of the equipment and maintaining stable filtration performance.

[0019] 3. This utility model achieves good sealing performance and stable installation of the equipment by setting a support ring and a sealing ring at the top of the filter cylinder, connecting the top cover and the support ring with fastening bolts, and using a clamping sleeve and a clamping plate to cooperate. This effectively prevents fluid leakage during the filtration process and ensures stable and reliable filtration results. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a cross-sectional view of the filter cartridge of this utility model;

[0022] Figure 3 This is one of the partial structural schematic diagrams of this utility model;

[0023] Figure 4 This is a second schematic diagram of a partial structure of this utility model;

[0024] Figure 5 This is the third partial structural schematic diagram of this utility model;

[0025] The meanings of the labels in the diagram are as follows:

[0026] 1. Filter cartridge; 10. Conical hopper; 11. Drain pipe; 12. Drain valve; 13. Inlet pipe; 14. Support ring; 141. Annular groove; 15. Sealing ring; 16. Top cover; 161. Compression sleeve; 162. Rubber pad;

[0027] 2. Outlet pipe; 20. Vertical pipe; 201. Support rod; 21. Insert pipe; 211. Sealing ring; 212. Rubber ring; 22. Support plate; 23. Upper plate; 231. Pressing plate; 24. Support beam; 25. Nano-ceramic filter plate; 26. T-pipe; 261. T-valve; 262. Clean water pipe; 263. Backwash pipe. Detailed Implementation

[0028] 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.

[0029] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0030] Please see Figures 1-5 This utility model provides a technical solution: a security filter for ultrafine media, including a filter cylinder 1, an inlet pipe 13 fixedly installed on the bottom cylinder of the filter cylinder 1 for water intake; a conical hopper 10 fixedly installed at the bottom end of the filter cylinder 1, a drain pipe 11 fixedly installed at the bottom end of the conical hopper 10, and a drain valve 12 fixedly installed on the drain pipe 11, which facilitates the sedimentation of impurities to the bottom and discharge through the drain pipe 11 and the drain valve 12, ensuring timely cleaning of impurities and avoiding continuous impact on the filtration effect;

[0031] Specifically, a top cover 16 is fixedly installed on the top of the filter cartridge 1, and a support ring 14 is fixedly installed on the top cylinder of the filter cartridge 1. The top cover 16 and the support ring 14 are fixedly connected by multiple fastening bolts, which facilitates fixed installation, disassembly and maintenance operations. An annular groove 141 is provided on the upper surface of the support ring 14, and a sealing ring 15 is engaged in the annular groove 141 to improve the sealing effect and prevent leakage.

[0032] Specifically, a water outlet pipe 2 is fixedly installed on the conical bucket 10. A vertical pipe 20 is fixedly installed at the inlet end of the water outlet pipe 2. The vertical pipe 20 is located inside the conical bucket 10. A connector 21 is inserted into the vertical pipe 20. A support plate 22 is fixedly installed at the top of the connector 21. An upper plate 23 is provided above the support plate 22. A nano-ceramic filter plate 25 is fixedly installed between the support plate 22 and the upper plate 23. The nano-ceramic filter plate 25 is hollow cylindrical and has an annular cross-section, allowing the filtered fluid to flow from the outside to the inside. After being filtered by the nano-ceramic filter plate 25, the fluid enters the center of the nano-ceramic filter plate 25 and is discharged outward along the vertical pipe 20; the top cover 16 is pressed tightly onto the upper plate 23, and the outlet end of the water outlet pipe 2 is located outside the conical bucket 10. The nano-ceramic filter plate 25, with its nano-scale filtration pore size, can effectively intercept extremely fine impurities in the fluid, achieving high-precision filtration; the nano-ceramic filter plate 25 has the characteristics of large specific surface area and high porosity, and can effectively intercept micron and nano-sized particles and microorganisms.

[0033] In this embodiment, a pressing plate 231 is fixedly installed at the center of the upper surface of the upper plate 23, and a pressing sleeve 161 is fixedly installed at the center of the bottom surface of the top cover 16. The pressing sleeve 161 is fitted onto the pressing plate 231, and the size of the pressing sleeve 161 is adapted to the size of the pressing plate 231. A rubber pad 162 is fixedly installed on the top wall of the pressing sleeve 161, which has the effect of pressing the nano-ceramic filter plate 25, so that the insertion tube 21 can be stably inserted into the vertical tube 20.

[0034] Specifically, multiple support rods 201 are fixedly installed between the vertical tube 20 and the inner wall of the conical bucket 10. The support rods 201 are cylindrical and serve to support the vertical tube 20, ensuring the compressive strength of the vertical tube 20.

[0035] Furthermore, a sealing ring 211 is fixedly installed on the insertion pipe 21, and a rubber ring 212 is fitted on the insertion pipe 21. The sealing ring 211 presses the rubber ring 212 tightly on the upper surface of the vertical pipe 20 to achieve a sealing operation, ensuring that the filter medium can only be discharged outward along the vertical pipe 20 after being filtered by the nano-ceramic filter plate 25.

[0036] In addition, multiple support beams 24 are fixedly installed between the support plate 22 and the upper plate 23. The nano-ceramic filter plate 25 is fixedly installed on the support beams 24, which further supports the nano-ceramic filter plate 25 and ensures that the structure of the nano-ceramic filter plate 25 is more robust and stable.

[0037] It is worth noting that a three-way pipe 26 is fixedly installed at the outlet end of the water outlet pipe 2, and a three-way valve 261 is fixedly installed on the three-way pipe 26. A clean water pipe 262 is fixedly installed on the other pipe body of the three-way pipe 26, and a backwash pipe 263 is fixedly installed on the remaining pipe body of the three-way pipe 26. The fluid flow direction can be flexibly controlled. When clean water needs to be output, it is discharged through the clean water pipe 262. When the equipment needs to be backwashed, the three-way valve 261 is switched to make the backwash pipe 263 work, so as to realize the flushing of the inside of the equipment and maintain the filtration performance and service life of the equipment.

[0038] When using the ultrafine media security filter of this utility model, firstly, the fluid to be filtered flows into the filter cylinder 1 from the inlet pipe 13. After the fluid enters the filter cylinder 1, it undergoes high-precision filtration through the nano-ceramic filter plate 25. The nano-ceramic filter plate 25 intercepts fine impurities in the fluid with its nano-scale filtration pore size.

[0039] Since the nano-ceramic filter plate 25 is annular, the filtered fluid enters the insertion pipe 21 from the inside of the nano-ceramic filter plate 25 and flows into the outlet pipe 2 through the vertical pipe 20. The insertion pipe 21 and the vertical pipe 20 are sealed by the sealing ring 211 and the rubber ring 212 to ensure that only the filtered fluid can be discharged.

[0040] The three-way pipe 26 and three-way valve 261 at the outlet end of the water outlet pipe 2 determine the direction of fluid flow. If purified water is needed, the purified water pipe 262 is opened and purified water can be output. When the equipment has been running for a period of time and backwashing is required, the three-way valve 261 is switched so that the backwash pipe 263 is connected to the external high-pressure water source and starts working, so as to realize the rinsing operation from the inside to the outside of the nano-ceramic filter plate 25, and to rinse the impurities attached to the outer surface of the nano-ceramic filter plate 25 into the filter cylinder 1. At this time, the drain valve 12 is opened and the impurities are discharged through the drain pipe 11.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A security filter of ultra-fine medium, comprising a filter cartridge (1), characterized in that: The bottom cylinder of the filter cartridge (1) is fixedly installed with an inlet pipe (13), the bottom end of the filter cartridge (1) is fixedly installed with a conical hopper (10), the bottom end of the conical hopper (10) is fixedly installed with a blowdown pipe (11), the blowdown pipe (11) is fixedly installed with a blowdown valve (12), the top of the filter cartridge (1) is fixedly installed with a top cover (16), the conical hopper (10) is fixedly installed with an outlet pipe (2), the water inlet end of the outlet pipe (2) is fixedly installed with a vertical pipe (20), the vertical pipe (20) is located in the conical hopper (10), the vertical pipe (20) is inserted and connected with a plug-in pipe (21), the top end of the plug-in pipe (21) is fixedly installed with a support disc (22), the upper side of the support disc (22) is provided with an upper disc (23), the support disc (22) and the upper disc (23) are fixedly installed with a nanometer ceramic filter plate (25), the nanometer ceramic filter plate (25) is in a hollow cylinder shape, the top cover (16) is pressed on the upper disc (23), and the water outlet end of the outlet pipe (2) is located outside the conical hopper (10).

2. The ultra-fine dielectric security filter of claim 1, wherein: The top cylinder of the filter cartridge (1) is fixedly installed with a support ring (14), and the top cover (16) and the support ring (14) are fixedly connected through a plurality of fastening bolts.

3. The ultra-fine dielectric security filter of claim 2, wherein: An annular groove (141) is arranged on the upper surface of the support ring (14), and a sealing ring (15) is connected in the annular groove (141).

4. The ultra-fine dielectric security filter of claim 1, wherein: A pressing disc (231) is fixedly installed at the center position of the upper surface of the upper disc (23), and a pressing sleeve (161) is fixedly installed at the center position of the bottom surface of the top cover (16), and the pressing sleeve (161) is sleeved on the pressing disc (231).

5. The ultra-fine dielectric security filter of claim 4, wherein: The size of the pressing sleeve (161) is matched with the size of the pressing disc (231), and a rubber pad (162) is fixedly installed on the top wall of the pressing sleeve (161).

6. The ultra-fine dielectric security filter of claim 1, wherein: A plurality of support rods (201) are fixedly installed between the vertical pipe (20) and the inner wall of the conical hopper (10), and the support rods (201) are in a cylindrical shape.

7. The ultra-fine dielectric security filter of claim 1, wherein: A plugging ring (211) is fixedly installed on the plug-in pipe (21), a rubber ring (212) is sleeved on the plug-in pipe (21), and the plugging ring (211) presses the rubber ring (212) on the upper surface of the vertical pipe (20).

8. The ultra-fine dielectric security filter of claim 1, wherein: A plurality of support beams (24) are fixedly installed between the support disc (22) and the upper disc (23), and the nanometer ceramic filter plate (25) is fixedly installed on the support beams (24).

9. The ultra-fine dielectric security filter of claim 1, wherein: A three-way pipe (26) is fixedly installed at the water outlet end of the outlet pipe (2), a three-way valve (261) is fixedly installed on the three-way pipe (26), a clean water pipe (262) is fixedly installed on another pipe body of the three-way pipe (26), and a backwashing pipe (263) is fixedly installed on the remaining one pipe body of the three-way pipe (26).

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