Water body filtering device with sterilization function for production of mineral water

Abstract

This invention belongs to the field of water treatment technology and discloses a mineral water production water filtration device with sterilization function. It includes a filter barrel with a support leg at the lower end, an inlet pipe connected to the upper left side of the filter barrel, and an outlet pipe connected to the lower right side. A filter disc is installed at the upper inside of the filter barrel, and a filter screen is embedded inside the filter disc. A guide plate is installed at the lower end of the filter disc, and a filter element is connected to the lower end of the guide plate. A stirring rack is installed at the bottom of the filter barrel. This mineral water production water filtration device with sterilization function, through its pre-filtration structure, can filter larger impurities such as sand and gravel in the raw mineral water. Combined with a cleaning structure, it can continuously cut the filter screen for filtration and clean the used filter screen, avoiding clogging that affects filtration efficiency and eliminating the need for manual cleaning. It allows for continuous filtration and disinfection of the water.

Description

Technical Field

[0001] This invention relates to the field of water treatment technology, specifically to a water filtration device for mineral water production with sterilization function. Background Technology

[0002] Mineral water is uncontaminated underground mineral water that naturally flows from deep underground or is artificially exposed; it contains a certain amount of mineral salts, trace elements, or carbon dioxide gas; however, mineral water cannot be drunk directly without filtration and disinfection. In the mineral water production process, professional equipment is needed to filter and disinfect the mineral water to remove internal impurities and bacteria.

[0003] However, existing water filtration devices with sterilization functions for mineral water production still have certain problems in use:

[0004] An existing mineral water production filter, as described in Chinese patent application number CN202022869043.7, has an inlet pipe fixedly installed at the top of the filter body, a pump body fixedly installed in the middle of the inlet pipe, and a raw water tank fixedly installed at the bottom of the inlet pipe. The top of the inner cavity of the filter body has a first filter layer, a second filter layer, a third filter layer, and a disinfection layer arranged from top to bottom. A feed port is fixedly installed in the middle of the right side of the filter body, and multiple ultraviolet disinfection lamps are installed on the left and right sides of the filter body. However, in existing mineral water filtration devices, the impurities retained by the filter screen are difficult to clean, and the filter effect is affected after prolonged filtration. Furthermore, clogging can also reduce filtration efficiency.

[0005] To address the aforementioned issues, an innovative design was developed based on the existing mineral water production water filtration device with sterilization function. Summary of the Invention

[0006] The purpose of this invention is to provide a mineral water production water filtration device with sterilization function, in order to solve the problems mentioned in the background art, that existing water filtration structures cannot timely process larger impurities and sand during the initial filtration, which leads to clogging after long-term use and also easily shortens the lifespan of subsequent filtration structures.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a mineral water production water filtration device with sterilization function, comprising a filter tank:

[0008] The filter bucket is equipped with a support leg at the lower end, and a water inlet pipe is connected to the upper left side of the filter bucket. A water outlet pipe is connected to the lower right side of the filter bucket. A filter disc is provided at the upper inside of the filter bucket, and a filter screen is embedded inside the filter disc. A guide plate is provided at the lower end of the filter disc, and a filter element is connected to the lower end of the guide plate.

[0009] The bottom of the filter bucket is equipped with a stirring rack, and the upper end of the stirring rack is connected to a stirring shaft. The middle part of the stirring rack is connected to a drive shaft, and the upper end of the drive shaft is connected to a grinding disc. The lower end of the filter element is connected to a grinding tube.

[0010] The filter barrel is equipped with a medicine storage box at the top, and a feeding hopper is provided inside the medicine storage box. A transmission pipe is provided inside the filter barrel, and the upper end of the transmission pipe extends into the medicine storage box. The lower end of the feeding hopper extends into the transmission pipe. The medicine storage box is rotatably connected to the upper end of the transmission pipe. An auger shaft passes through the inside of the feeding hopper and is connected to the upper end of the transmission pipe.

[0011] A flow divider plate is connected to the upper inner wall of the right side of the filter barrel, and a high-pressure nozzle is connected to the lower end of the flow divider plate. A guide pipe is connected to the upper end of the flow divider plate.

[0012] Preferably, the filter disc is rotatably connected to the inner wall of the filter barrel, and a limiting sealing ring is provided at the upper end of the filter disc. The lower end of the limiting sealing ring is in contact with the filter disc. A sealing strip is connected to the outer edge of the upper end of the filter screen, and the sealing strip is made of soft rubber. The filter disc and the filter screen are sealed at the connection point by the sealing strip.

[0013] By adopting the above technical solution, the design of the sealing strip can seal the gaps when the filter screen and filter disc are installed together, while the design of the limiting sealing ring can prevent unfiltered water from leaking from the connection gap between the filter disc and the inner wall of the filter barrel.

[0014] Preferably, the filter screen is designed in a fan shape and is arranged in a ring array with the center point of the filter disc as the axis. The middle part of the filter disc is connected to the transmission pipe, and sealing partitions are provided on both sides of the filter disc. The sealing partitions are connected to the inner wall of the filter barrel and are rotatably connected to the transmission pipe. The sealing partitions fit against the filter disc and separate the two sides of the filter disc from the middle.

[0015] By adopting the above technical solution and through the design of the sealed partition, the mineral water raw water can only be filtered on the left side of the filter plate, which facilitates the subsequent rinsing and impurity removal of the filter screen. Furthermore, by utilizing the cooperation between the transmission pipe and the filter plate, multiple sets of filter screens can be driven to rotate by the filter plate when the transmission pipe rotates, thereby continuously switching the filter screens for filtration.

[0016] Preferably, a transmission rod is rotatably connected to the outer wall of the filter disc, and the inner end of the transmission rod is connected to the filter screen. A transmission gear is connected to the outer end of the transmission rod. A transmission rack is connected to the inner wall of the right side of the filter barrel, and the transmission rack meshes with the transmission gear. The transmission rack has an arc-shaped design.

[0017] By adopting the above technical solution, the transmission rack and transmission gear can rotate the filter disc, and when the transmission gear and transmission rack come into contact, they can drive the filter screen to rotate, thereby flipping the filter screen over, which is convenient for subsequent cleaning and impurity removal using high-pressure water flow.

[0018] Preferably, the lower left end of the upper sealing partition is connected to a limiting plate, and the limiting plate is semi-circular in design. The lower end face of the limiting plate contacts the filter plate and the filter screen, and the limiting plate can restrict the rotation of the filter screen it contacts.

[0019] By adopting the above technical solution and through the design of the limiting plate, it can be ensured that the filter screen will not rotate after the transmission gear disengages from the transmission rack, thus maintaining the horizontal state of the filter screen and filtering the mineral water raw water.

[0020] Preferably, a guide plate is connected to the lower right side of the sealing partition at the lower end, and the guide plate is connected to the inner wall of the filter barrel. The upper surface of the guide plate is inclined. A drain pipe is connected to the right side of the filter barrel, and the drain pipe extends to the upper end of the guide plate.

[0021] By adopting the above technical solution, the wastewater generated when the filter moves to the right side for rinsing can be backflowed through the design of the sealing baffle and the flow guide plate, and the wastewater and impurities can be discharged together by the design of the drain pipe.

[0022] Preferably, the guide plate is fixed to the inner wall of the filter barrel and has a funnel-shaped design. The lower end of the guide plate is connected to the filter element. The bottom of the filter element has a sealed structure design, and the transmission tube passes through the middle of the filter element. The transmission tube is rotatably connected to the filter element, and a guide fan blade is connected to the outside of the transmission tube. The guide fan blade is adapted to the inner diameter of the middle of the filter element.

[0023] By adopting the above technical solution and through the design of the guide fan blades, the efficiency of water flowing into the middle of the filter element after preliminary filtration can be improved. Furthermore, the rotation of the guide fan blades can drive the water flow inside the filter element to generate a certain agitation, thereby improving the filtration efficiency.

[0024] Preferably, the upper end of the grinding tube is fixed with a filter core, and the inner wall of the upper end of the grinding tube is designed in a funnel shape. The lower end of the transmission tube extends into the interior of the grinding tube, and the upper end of the transmission shaft is connected to the transmission tube. The grinding disc is designed in a conical shape, and the grinding disc is adapted to the lower inner wall of the grinding tube.

[0025] Using the above technical solution, the bactericidal agent can be fed through the transmission tube and fall into the grinding tube. When the transmission tube drives the grinding disc to rotate, the agent is ground and pulverized, thereby improving the efficiency and uniformity of subsequent mixing with water.

[0026] Preferably, the stirring racks are arranged in a circular array around the drive shaft, and the lower end of the stirring racks is in contact with the bottom of the filter barrel. The stirring shafts are arranged in an equidistant array on the upper end of the stirring racks. A power motor is fixed at the lower end of the filter barrel, and the upper shaft end of the power motor is connected to the drive shaft.

[0027] By adopting the above technical solution, a power motor can drive the transmission shaft to rotate, and the transmission shaft can drive multiple sets of stirring racks and stirring shafts to rotate synchronously, thereby accelerating the dissolution and mixing efficiency of the agent and improving the efficiency of water filtration and disinfection treatment.

[0028] Preferably, the high-pressure nozzles are distributed in an equidistant array, and a high-pressure water pump is installed at the upper end of the filter barrel, with the water outlet of the high-pressure water pump connected to the guide pipe.

[0029] By adopting the above technical solution, the high-pressure water pump and the guide pipe can deliver liquid to the diverter plate and the high-pressure nozzle, and use the sprayed high-pressure liquid to clean the filter screen.

[0030] Compared with the prior art, the beneficial effects of the present invention are: the mineral water production water filtration device with sterilization function,

[0031] 1. With a pre-filtration structure, it can filter larger impurities such as sand and gravel in the raw mineral water. Combined with a cleaning structure, it can continuously cut the filter screen for filtration and clean the filter screen after use to avoid clogging and affect filtration efficiency. It does not require manual cleaning and can perform continuous filtration and disinfection of water.

[0032] 2. By setting up a quantitative feeding and grinding structure for the agent, the auger shaft structure can be driven to feed the agent quantitatively while the stirring structure rotates. In conjunction with the grinding structure, the agent is ground and pulverized for sterilization. The powdered agent can dissolve faster. With the stirring structure, the agent can be quickly and evenly mixed with the water, further improving the efficiency of water filtration and sterilization. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0034] Figure 2 This is a schematic diagram of the filter barrel and medicine storage tank of the present invention;

[0035] Figure 3 This is a schematic cross-sectional view of the present invention;

[0036] Figure 4 This is a schematic diagram of the filter disc and filter screen structure of the present invention;

[0037] Figure 5 This is a schematic diagram of the transmission tube guide fan blade structure of the present invention;

[0038] Figure 6 This is a schematic diagram of the hopper and auger shaft structure of the present invention;

[0039] Figure 7 This is a schematic diagram of the sealing partition and limiting disc structure of the present invention;

[0040] Figure 8 This is a schematic diagram of the transmission connecting rod and transmission gear structure of the present invention;

[0041] Figure 9 For the present invention Figure 4 Enlarged structural diagram at point A in the middle.

[0042] In the diagram: 1. Filter barrel; 2. Support leg; 3. Inlet pipe; 4. Outlet pipe; 5. Filter disc; 6. Filter screen; 7. Guide plate; 8. Filter element; 9. Stirring frame; 10. Stirring shaft; 11. Power motor; 12. Medicine storage tank; 13. Feed hopper; 14. Transmission pipe; 15. Screw shaft; 16. Grinding tube; 17. Grinding disc; 18. Sealing strip; 19. Transmission connecting rod; 20. Transmission gear; 21. Transmission rack; 22. Limiting sealing ring; 23. Sealing partition; 24. Limiting disc; 25. Guide plate; 26. Sewage pipe; 27. Diverter plate; 28. High-pressure nozzle; 29. ​​Guide pipe; 30. High-pressure water pump; 31. Guide fan blade. Detailed Implementation

[0043] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0044] Please see Figures 1-9This invention provides a technical solution: a mineral water production water filtration device with sterilization function, including a filter barrel 1, a support leg 2 installed at the lower end of the filter barrel 1, an inlet pipe 3 connected to the upper left side of the filter barrel 1, an outlet pipe 4 connected to the lower right side of the filter barrel 1, a filter disc 5 set at the upper inside the filter barrel 1, a filter screen 6 embedded inside the filter disc 5, a guide plate 7 set at the lower end of the filter disc 5, and a filter element 8 connected to the lower end of the guide plate 7; mineral water is injected into the filter barrel 1 through the inlet pipe 3 and falls to the left side of the filter disc 5, and is initially filtered by the filter screen 6 to intercept larger impurities and sand; the initially filtered water flows into the filter element 8 through the guide plate 7 for further filtration to remove finer microorganisms or other impurities.

[0045] The filter disc 5 is rotatably connected to the inner wall of the filter barrel 1, and a limiting sealing ring 22 is provided at the upper end of the filter disc 5. The lower end of the limiting sealing ring 22 fits against the filter disc 5. A sealing strip 18 is connected to the outer edge of the upper end of the filter screen 6. The sealing strip 18 is made of soft rubber. The filter disc 5 and the filter screen 6 are sealed at the connection point by the sealing strip 18. The filter screen 6 has a fan-shaped structure design and is arranged in a ring array around the center point of the filter disc 5. The middle part of the filter disc 5 is connected to the transmission pipe 14, and sealing partitions 23 are provided on both sides of the filter disc 5. The sealing partitions 23 are connected to the inner wall of the filter barrel 1 and are rotatably connected to the transmission pipe 14. The sealing partitions 23 are connected to the filter screen 1. The filter disc 5 is fitted together, and the sealing partition 23 separates the two sides of the filter disc 5 from the middle; the outer wall of the filter disc 5 is rotatably connected to the transmission rod 19, and the inner end of the transmission rod 19 is connected to the filter screen 6. The outer end of the transmission rod 19 is connected to the transmission gear 20. The inner wall of the right side of the filter barrel 1 is connected to the transmission rack 21, and the transmission rack 21 is meshed with the transmission gear 20. The transmission rack 21 has an arc-shaped design; the lower left end of the upper sealing partition 23 is connected to the limiting plate 24, and the limiting plate 24 has a semi-circular design. The lower end face of the limiting plate 24 contacts the filter disc 5 and the filter screen 6, and the limiting plate 24 can limit the rotation of the filter screen 6 it contacts; the lower sealing partition A guide plate 25 is connected to the lower right side of filter 23, and the guide plate 25 is connected to the inner wall of filter barrel 1. The upper surface of the guide plate 25 is inclined. A drain pipe 26 is connected to the right side of filter barrel 1, and the drain pipe 26 extends to the upper end of the guide plate 25. The rotation of the transmission pipe 14 can drive the filter plate 5 to rotate synchronously, and the filter plate 5 can drive multiple sets of filter screens 6 to rotate synchronously, thereby switching between different filter screens 6 for filtration. With the cooperation of the transmission rack 21 and the transmission gear 20, when the filter screen 6 rotates to the right side, the transmission rack 21 drives the transmission gear 20 to rotate, and drives the filter screen 6 to rotate synchronously. During the continuous rotation of the filter plate 5, it can... The filter screen 6 can be flipped over to facilitate subsequent rinsing and cleaning with high-pressure water flow, preventing clogging after prolonged use. Simultaneously, the disengagement of the transmission gear 20 from the transmission rack 21 ensures the filter screen 6 can return to its initial state. The design of the limiting disc 24, after being released from the filter disc 5 and filter screen 6, restricts the filter screen 6 from rotating to the left, ensuring stability during filtration. Furthermore, the design of the sealing partition 23 separates the left and right sides of the filter disc 5, ensuring independent rinsing and water filtration. Wastewater generated during rinsing is discharged through the guide disc 25 and the drain pipe 26.

[0046] A stirring frame 9 is installed at the bottom of the filter barrel 1, and a stirring shaft 10 is connected to the upper end of the stirring frame 9. A drive shaft is connected to the middle of the stirring frame 9, and a grinding disc 17 is connected to the upper end of the drive shaft. A grinding tube 16 is connected to the lower end of the filter element 8. A medicine storage tank 12 is installed at the upper end of the filter barrel 1, and a feeding hopper 13 is installed inside the medicine storage tank 12. A drive tube 14 is installed inside the filter barrel 1, and the upper end of the drive tube 14 extends into the medicine storage tank 12. The lower end of the feeding hopper 13 extends into the drive tube 14. The medicine storage tank 12 is rotatably connected to the upper end of the drive tube 14. 3. An auger shaft 15 runs through the interior and is connected to the upper end of the transmission tube 14. The guide plate 7 is fixed to the inner wall of the filter barrel 1 and has a funnel-shaped design. The lower end of the guide plate 7 is connected to the filter element 8. The bottom of the filter element 8 has a sealed structure design. The transmission tube 14 runs through the middle of the filter element 8 and is rotatably connected to the filter element 8. A guide fan blade 31 is connected to the outside of the transmission tube 14 and is adapted to the inner diameter of the middle part of the filter element 8. The upper end of the grinding tube 16 is fixed with the filter element 8, and the inner wall of the upper end of the grinding tube 16 is a funnel. The design features a transmission tube 14 extending into the grinding tube 16 at its lower end, with the upper end of the transmission shaft connected to the transmission tube 14. The grinding disc 17 has a conical design and is adapted to fit the lower inner wall of the grinding tube 16. Stirring racks 9 are arranged in a circular array around the transmission shaft, with their lower ends fitting against the bottom of the filter tank 1. Stirring shafts 10 are evenly distributed on the upper end of the stirring racks 9. A power motor 11 is fixed to the lower end of the filter tank 1, with its upper shaft end connected to the transmission shaft. The power motor 11 drives the transmission shaft to rotate, and the transmission shaft carries... The moving stirring frame 9 and multiple stirring shafts 10 rotate synchronously, which can mix the filtered water with the agent, improving the efficiency of sterilization and disinfection. At the same time, when the stirring shaft 10 rotates, it can drive the transmission pipe 14 and the upper auger shaft 15 to rotate synchronously. By using the cooperation of the auger shaft 15 and the feeding hopper 13, the agent inside the storage tank 12 can be quantitatively fed and fall into the grinding tube 16 through the transmission pipe 14. When the transmission shaft rotates, it drives the grinding disc 17 to rotate, thereby grinding and pulverizing the sterilization and disinfection agent, improving the efficiency of subsequent mixing and dissolution with water.

[0047] A flow divider plate 27 is connected to the upper inner wall of the right side of the filter tank 1, and a high-pressure nozzle 28 is connected to the lower end of the flow divider plate 27. A guide pipe 29 is connected to the upper end of the flow divider plate 27. The high-pressure nozzles 28 are distributed in an equidistant array. A high-pressure water pump 30 is installed at the upper end of the filter tank 1, and the outlet of the high-pressure water pump 30 is connected to the guide pipe 29. Through the cooperation of the high-pressure water pump 30 and the guide pipe 29, clean water can be delivered to the flow divider plate 27 and sprayed out from multiple sets of high-pressure nozzles 28 to rinse the flipped filter screen 6, remove the filtered impurities, avoid clogging caused by not cleaning for a long time, maintain filtration efficiency, and eliminate the need for manual cleaning after shutdown, thus improving the convenience of operation.

[0048] The contents not described in detail in this specification are prior art known to those skilled in the art. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mineral water production water filtration device with sterilization function, comprising a filter barrel (1), characterized in that: The filter bucket (1) is equipped with a support leg (2) at the lower end, and the filter bucket (1) is connected to the upper left side with a water inlet pipe (3), and the filter bucket (1) is connected to the lower right side with a water outlet pipe (4). The filter bucket (1) is equipped with a filter disc (5) at the upper inside, and a filter screen (6) is embedded inside the filter disc (5). The filter disc (5) is equipped with a guide plate (7) at the lower end, and a filter element (8) is connected to the lower end of the guide plate (7). The bottom of the filter bucket (1) is provided with a stirring rack (9), and the upper end of the stirring rack (9) is connected to a stirring shaft (10). The middle part of the stirring rack (9) is connected to a drive shaft, and the upper end of the drive shaft is connected to a grinding disc (17). The lower end of the filter element (8) is connected to a grinding tube (16). The filter barrel (1) is equipped with a medicine storage box (12) at the upper end, and a feeding hopper (13) is provided inside the medicine storage box (12). A transmission pipe (14) is provided inside the filter barrel (1), and the upper end of the transmission pipe (14) extends into the medicine storage box (12), and the lower end of the feeding hopper (13) extends into the transmission pipe (14). The medicine storage box (12) is rotatably connected to the upper end of the transmission pipe (14). An auger shaft (15) passes through the inside of the feeding hopper (13), and the auger shaft (15) is connected to the upper end of the transmission pipe (14). The filter barrel (1) has a flow divider plate (27) connected to the upper inner wall on the right side, and a high-pressure nozzle (28) is connected to the lower end of the flow divider plate (27), and a guide pipe (29) is connected to the upper end of the flow divider plate (27). The filter screen (6) is designed in a fan shape and is arranged in a ring array with the center point of the filter disc (5) as the axis. The filter disc (5) is connected to the transmission pipe (14) in the middle and is provided with sealing partitions (23) on both sides of the filter disc (5). The sealing partitions (23) are connected to the inner wall of the filter barrel (1) and are rotatably connected to the transmission pipe (14). The sealing partitions (23) are in contact with the filter disc (5) and separate the two sides of the filter disc (5) from the middle. The outer wall of the filter disc (5) is rotatably connected to a transmission link (19), and the inner end of the transmission link (19) is connected to the filter screen (6). The outer end of the transmission link (19) is connected to a transmission gear (20). The inner wall of the right side of the filter barrel (1) is connected to a transmission rack (21), and the transmission rack (21) meshes with the transmission gear (20). The transmission rack (21) is designed in an arc shape. The upper sealing partition (23) is connected to the lower left side of the limiting plate (24), and the limiting plate (24) is semi-circular. The lower end of the limiting plate (24) contacts the filter plate (5) and the filter screen (6), and the limiting plate (24) can limit the rotation of the filter screen (6) it contacts. The upper end of the grinding tube (16) is fixed with a filter core (8), and the inner wall of the upper end of the grinding tube (16) is designed in a funnel shape. The lower end of the transmission tube (14) extends into the interior of the grinding tube (16), and the upper end of the transmission shaft is connected to the transmission tube (14). The grinding disc (17) is designed in a conical shape, and the grinding disc (17) is adapted to the lower inner wall of the grinding tube (16). The stirring rack (9) is arranged in a ring array with the drive shaft as the center, and the lower end of the stirring rack (9) is attached to the bottom of the filter barrel (1). The stirring shaft (10) is arranged in an equal array at the upper end of the stirring rack (9). The filter barrel (1) is fixed with a power motor (11) at the lower end, and the upper shaft end of the power motor (11) is connected to the drive shaft. The high-pressure nozzles (28) are arranged in an equidistant array. A high-pressure water pump (30) is installed on the upper end of the filter barrel (1), and the outlet of the high-pressure water pump (30) is connected to the guide pipe (29).

2. The mineral water production water filtration device with sterilization function according to claim 1, characterized in that: The filter disc (5) is rotatably connected to the inner wall of the filter barrel (1), and a limiting sealing ring (22) is provided at the upper end of the filter disc (5). The lower end of the limiting sealing ring (22) is in contact with the filter disc (5). A sealing strip (18) is connected to the outer edge of the upper end of the filter screen (6), and the sealing strip (18) is made of soft rubber. The filter disc (5) and the filter screen (6) are sealed at the connection point by the sealing strip (18).

3. A mineral water production water filtration device with sterilization function according to claim 1, characterized in that: The lower right side of the sealing partition (23) is connected to a guide plate (25), and the guide plate (25) is connected to the inner wall of the filter barrel (1). The upper surface of the guide plate (25) is inclined. The right side of the filter barrel (1) is connected to a drain pipe (26), and the drain pipe (26) extends to the upper end of the guide plate (25).

4. A mineral water production water filtration device with sterilization function according to claim 1, characterized in that: The guide plate (7) is fixed to the inner wall of the filter barrel (1), and the guide plate (7) is designed in the shape of a funnel. The lower end of the guide plate (7) is connected to the filter element (8). The bottom of the filter element (8) is designed with a sealed structure, and the transmission pipe (14) passes through the middle of the filter element (8). The transmission pipe (14) is rotatably connected to the filter element (8), and the transmission pipe (14) is connected to the outside of the guide fan blade (31). The guide fan blade (31) is adapted to the inner diameter of the middle part of the filter element (8).

Images