Vortex self-cleaning filter

Abstract

The utility model discloses a vortex self-cleaning filter which comprises a main tank body and an end cover, the bottom end of the main tank body is provided with a sample inlet, the inner wall of the sample inlet is provided with an inlet clamping sleeve, the top end of the inner wall of the main tank body is provided with an internal thread, the internal thread is in threaded connection with an external thread, and the external thread is arranged at the bottom of the end cover; a bypass outlet is formed in the middle of the end cover, a bypass clamping sleeve is installed on the inner wall of the bypass outlet, a sample outlet is formed in the inner wall of the bypass clamping sleeve, a sample outlet is formed in the middle of the main tank body, an outlet clamping sleeve is clamped to the inner wall of the sample outlet, a nozzle is welded to the bottom end of the inner wall of the main tank body, and a filter element is inserted into the main tank body. According to the vortex self-cleaning filter disclosed by the utility model, the direction of sample fluid entering the tank body is changed by utilizing the nozzle, a rotary water flow is generated to effectively remove precipitates and particles attached to the interior of the filter element, the condition of blockage of the filter element is avoided, and the filter element is convenient to disassemble and is convenient to clean and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a vortex self-cleaning filter. Background Art

[0002] The purpose of the bypass filter design is to maintain a continuous flow of the fluid to be filtered while diverting a portion of the fluid around the filter element.

[0003] However, the existing bypass filter has the following disadvantages:

[0004] (1) Although the existing bypass filter has a filtering function, due to the constant inlet pressure flow, the large flow discharge through the bypass outlet allows sediment and particulate matter to pass through the middle of the filter element at a uniform speed, but the fine matter will adhere to the filter wall, causing more impurities to accumulate on the filter wall and block the filter, making it impossible to achieve long-term stable and continuous operation;

[0005] (2) The filter element in the existing bypass filter is inconvenient to disassemble and assemble, which is not conducive to its cleaning and replacement. Utility Model Content

[0006] The purpose of the utility model is to provide a vortex self-cleaning filter to solve the problems proposed in the above background technology that the existing bypass filter screen wall will accumulate a lot of impurities and thus block the filter screen, making it impossible to achieve long-term stable and continuous operation, and the filter element is inconvenient to disassemble and assemble, which is not conducive to its cleaning and replacement.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vortex self-cleaning filter, comprising a main tank body and an end cover, a sample inlet is provided at the bottom end of the main tank body, an inlet ferrule is installed on the inner wall of the sample inlet, an internal thread is provided at the top of the inner wall of the main tank body, the internal thread is threadedly connected with an external thread, and the external thread is provided at the bottom of the end cover, a bypass outlet is provided in the middle part of the end cover, a bypass ferrule is installed on the inner wall of the bypass outlet, a sample outlet is installed on the inner wall of the bypass ferrule, a sample outlet is provided in the middle part of the main tank body, an outlet ferrule is engaged with the inner wall of the sample outlet, a nozzle is welded on the bottom end of the inner wall of the main tank body, a filter element is inserted into the inside of the main tank body, and a sealing gasket is fixedly connected to the bottom end of the end cover.

[0008] When using a vortex self-cleaning filter of the present technical solution, the filter uses a nozzle to change the direction of the sample fluid entering the tank body, generating a rotating water flow to effectively remove the sediment and particles attached to the inside of the filter element, avoiding clogging of the filter element, and the filter element is easy to disassemble for cleaning and replacement.

[0009] As an optimal technical solution of the utility model, a mounting ring is fixedly connected to the top of the filter element, grooves are provided on both sides of the mounting ring, a spring is fixedly connected to the inner wall of the groove, a buckle is fixedly connected to one end of the spring, and slots are provided on both sides of the top of the inner wall of the main tank body.

[0010] As a preferred technical solution of the utility model, one end of the buckle is plugged into the inner wall of the slot, and the buckle can lock the position of the filter element when inserted into the slot.

[0011] As a preferred technical solution of the utility model, the top of the buckle is fixedly connected with a lever, and the top of the inner wall of the groove is provided with a lever opening, so that the lever can drive the buckle to move.

[0012] As a preferred technical solution of the utility model, the lever is slidably connected to the inner wall of the lever opening, and the lever opening provides space for the lever to move.

[0013] As a preferred technical solution of the present utility model, the sealing gasket is made of polytetrafluoroethylene.

[0014] As a preferred technical solution of the present utility model, the main tank body is made of one of 301SS stainless steel and 316L stainless steel.

[0015] As a preferred technical solution of the utility model, the inlet ferrule, bypass ferrule and outlet ferrule are all made of 316L stainless steel.

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

[0017] 1. The filter uses a nozzle to change the direction of the sample fluid entering the tank, so that the fluid generates a rotating water flow when passing through the tank. The rotating water flow can effectively remove the sediment and particles attached to the filter element, avoid the clogging of the filter element, and ensure long-term stable and continuous operation;

[0018] 2. The filter tank adopts a detachable design. The disassembly end is sealed with threads and sealing gaskets. The filter element is installed into the tank with movable buckles, which is convenient for disassembly, cleaning and replacement after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 This is a disassembled diagram of the utility model;

[0022] Figure 4It is a partial cross-sectional view of the utility model;

[0023] Figure 5 It is an enlarged view of part A of the present utility model.

[0024] In the figure: 1. main tank body; 2. sample inlet; 3. inlet ferrule; 4. end cap; 5. bypass outlet; 6. bypass ferrule; 7. sample outlet; 8. outlet ferrule; 9. filter element; 10. nozzle; 11. internal thread; 12. external thread; 13. sealing gasket; 14. mounting ring; 15. groove; 16. spring; 17. buckle; 18. slot; 19. lever; 20. pull port. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 The utility model provides a vortex self-cleaning filter, including a main tank body 1 and an end cover 4. A sample inlet 2 is provided at the bottom of the main tank body 1 for the circulation of water. An inlet ferrule 3 is installed on the inner wall of the sample inlet 2. An internal thread 11 is provided at the top of the inner wall of the main tank body 1. The internal thread 11 is threadedly connected with an external thread 12, and the external thread 12 is provided at the bottom of the end cover 4. A bypass outlet 5 is provided in the middle of the end cover 4. A bypass ferrule 6 is installed on the inner wall of the bypass outlet 5. A sample outlet 7 is installed on the inner wall of the bypass ferrule 6. A sample outlet 7 is provided in the middle of the main tank body 1. An outlet ferrule 8 is engaged with the inner wall of the sample outlet 7. A nozzle 10 is welded at the bottom end of the inner wall of the main tank body 1 to change the direction of water flow. A filter element 9 is inserted into the interior of the main tank body 1 to play a filtering role. A sealing gasket 13 is fixedly connected to the bottom end of the end cover 4 to improve the sealing effect.

[0027] When in use, the filter uses the nozzle 10 to change the direction of the sample fluid entering the main tank body 1, so that the fluid generates a rotating water flow when passing through the main tank body 1. The rotating water flow can effectively remove the sediment and particles attached to the inside of the filter element 9, and the internal structure of the tank body is used to change the form of fluid injection, so that the sediment and particles attached to the surface of the filter element 9 are flushed out of the tank body in the direction of the fluid bypass after the fluid passes through the tank body. Another part of the fluid is filtered through the filter screen and enters the instrument pretreatment system to wait for measurement.

[0028] A mounting ring 14 is fixedly connected to the top of the filter element 9, and grooves 15 are provided on both sides of the mounting ring 14. A spring 16 is fixedly connected to the inner wall of the groove 15, and a buckle 17 is fixedly connected to one end of the spring 16. Slots 18 are provided on both sides of the top of the inner wall of the main tank body 1, and one end of the buckle 17 is inserted into the inner wall of the slot 18 to play a locking role. A lever 19 is fixedly connected to the top of the buckle 17, and a dial port 20 is provided at the top of the inner wall of the groove 15. The lever 19 is slidably connected to the inner wall of the dial port 20 to provide moving space.

[0029] When in use, the filter element 9 is installed into the tank body by means of the movable buckle 17. The buckle 17 is clamped in the slot 18 under the action of the spring 16 to fix the position of the filter element 9. The lever 19 is moved at the dial opening 20 to drive the buckle 17 back into the groove 15, so that the filter element 9 can be unlocked and removed.

[0030] The sealing gasket 13 is made of polytetrafluoroethylene, the main tank body 1 is made of one of 304SS stainless steel and 316L stainless steel, and the inlet ferrule 3, the bypass ferrule 6 and the outlet ferrule 8 are all made of 316L stainless steel.

[0031] When in use, the main tank body 1 and the ferrule are made of stainless steel, which has high strength and corrosion resistance. The provided polytetrafluoroethylene sealing gasket 13 can ensure the sealing effect at the end cover 4 to prevent water seepage.

[0032] In specific use, the utility model is a vortex self-cleaning filter, which is used in the petrochemical industry. The filter uses a nozzle 10 to change the direction of the sample fluid entering the main tank body 1, so that the fluid generates a rotating water flow when passing through the main tank body 1. The rotating water flow can effectively remove the sediment and particles attached to the inside of the filter element 9, realizing self-cleaning, and does not need to be cleaned by artificial external force to achieve the cleaning purpose. The internal structure of the tank body is used to change the form of fluid injection, so that the sediment and particles attached to the surface of the filter element 9 are removed from the fluid. After passing through the tank body, the fluid is flushed out of the tank body in the direction of the large bypass, and the other part of the fluid is filtered through the filter screen and enters the instrument pretreatment system to wait for measurement. The filter tank body adopts a detachable design, and the disassembly end is sealed with threads and polytetrafluoroethylene sealing gaskets 13. The filter element 9 is installed into the tank body with an active buckle 17. The buckle 17 is stuck in the slot 18 under the action of the spring 16 to fix the position of the filter element 9. The lever 19 is moved to drive the buckle 17 back to the groove 15, so that the filter element 9 can be unlocked and disassembled, which is convenient for disassembly and cleaning after long-term use in the later stage.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A vortex self-cleaning filter, comprising a main tank body (1) and an end cover (4), characterized in that: The bottom end of the main tank body (1) is provided with a sample inlet (2), and the inner wall of the sample inlet (2) is installed with an inlet ferrule (3). The top end of the inner wall of the main tank body (1) is provided with an internal thread (11), and the internal thread (11) is threadedly connected with an external thread (12), and the external thread (12) is provided at the bottom of the end cover (4). The middle part of the end cover (4) is provided with a bypass outlet (5), and the inner wall of the bypass outlet (5) is installed with a bypass ferrule (6), and the inner wall of the bypass ferrule (6) is installed with a sample outlet (7). The middle part of the main tank body (1) is provided with a sample outlet (7), and the inner wall of the sample outlet (7) is engaged with an outlet ferrule (8). The bottom end of the inner wall of the main tank body (1) is welded with a nozzle (10), and a filter element (9) is inserted into the interior of the main tank body (1). The bottom end of the end cover (4) is fixedly connected with a sealing gasket (13).

2. A vortex self-cleaning filter according to claim 1, characterized in that: The top of the filter element (9) is fixedly connected to a mounting ring (14), both sides of the mounting ring (14) are provided with grooves (15), the inner wall of the groove (15) is fixedly connected to a spring (16), one end of the spring (16) is fixedly connected to a buckle (17), and both sides of the top of the inner wall of the main tank body (1) are provided with clamping grooves (18).

3. A vortex self-cleaning filter according to claim 2, characterized in that: One end of the buckle (17) is plugged into the inner wall of the slot (18).

4. A vortex self-cleaning filter according to claim 2, characterized in that: The top end of the buckle (17) is fixedly connected to a lever (19), and the top end of the inner wall of the groove (15) is provided with a lever opening (20).

5. A vortex self-cleaning filter according to claim 4, characterized in that: The shifting rod (19) is slidably connected to the inner wall of the shifting opening (20).

6. A vortex self-cleaning filter according to claim 1, characterized in that: The sealing gasket (13) is made of polytetrafluoroethylene.

7. A vortex self-cleaning filter according to claim 1, characterized in that: The main tank body (1) is made of one of 304SS stainless steel and 316L stainless steel.

8. The vortex self-cleaning filter according to claim 1, characterized in that: The inlet ferrule (3), the bypass ferrule (6) and the outlet ferrule (8) are all made of 316L stainless steel.

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