Water filter for high-temperature water heat exchange station based on filter bag structure

Abstract

The application discloses a kind of water filters for high-temperature water heat exchange station based on filter bag structure, it is related to filter technical field, including jar body, cover, the outside of jar body is provided with water inlet, water outlet, blowdown, the inside of jar body is provided with filter cleaning structure, the filter cleaning structure includes main pipe, bottom plate, pressing plate, the inside of jar body is fixedly provided with two threaded rods, the outside of bottom plate, pressing plate is all opened with two round holes, the pressing plate is connected with two threaded rods respectively by two nuts, the outside of bottom plate is fixedly provided with two skeletons, the outside of skeleton is sleeved with filter bag.The water filter for high-temperature water heat exchange station based on filter bag structure can carry out filtering work to water as required, and can also carry out cleaning work to the filter bag as required, so that the influence of the filtering effect caused by the accumulation of internal impurities due to long-term use of the filter bag is avoided.

Description

Technical Field

[0001] This invention relates to the field of filter technology, and in particular to a high-temperature water heat exchange station water filter based on a filter bag structure. Background Technology

[0002] Residents need to ensure that the water quality is clean. Before use, the water needs to be pre-treated by means of filtration to meet the standards for use. Filters are usually used for filtration, especially filter bags, which can effectively filter out floating objects and other impurities in the water.

[0003] However, traditional filter bags accumulate a lot of debris inside after prolonged use, affecting the filtration effect. The main way to clean the filter bags is to introduce water through the inlet, gradually filling the tank with water to clean the filter bags. However, the water entering through the inlet already needs to be filtered, so using water that needs to be filtered to clean the filter bags is not very effective and wastes water resources. In addition, when the filter bags are replaced manually later, debris may fall into the tank during the operation, affecting the subsequent water filtration effect. Therefore, this invention proposes a high-temperature water heat exchange station water filter based on a filter bag structure. Summary of the Invention

[0004] The main objective of this invention is to provide a high-temperature water heat exchange station water filter based on a filter bag structure. This effectively solves the problem mentioned in the background art: traditional filter bags accumulate a large amount of debris inside after prolonged use, affecting the filtration effect. The main method of cleaning the filter bags is to introduce water through the inlet, gradually filling the tank with water to clean the filter bags. However, the water entering through the inlet already needs filtration, and using water that needs filtration to clean the filter bags results in poor cleaning effect and waste of water resources. Furthermore, during the manual replacement of the filter bags, debris may fall into the tank during the operation, affecting the subsequent water filtration effect.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A high-temperature water heat exchange station water filter based on a filter bag structure includes a tank and a cover. The tank has an inlet, an outlet, and a drain outlet on its exterior, and a filter cleaning structure on its interior. The filtration and cleaning structure includes a main pipe, a base plate, and a pressure plate. Two threaded rods are fixedly installed inside the tank. Two round holes are opened on the outside of both the base plate and the pressure plate. The pressure plate is connected to the two threaded rods via two nuts. Two frames are fixedly installed on the outside of the base plate. Filter bags are fitted onto the outside of the frames, and pressure cylinders are fitted onto the outside of the filter bags. The pressure plate, in conjunction with the pressure cylinders, is used to compact the filter bags. Two water outlet pipes are fixedly installed through the outside of the main pipe. A sealing plate is rotatably installed on the inside of the main pipe, and one end of the sealing plate is fixedly connected to the output shaft of a motor. Several through holes are opened on the outside of the main pipe, and two vertical pipes are fixedly connected through the outside of the main pipe. Several sets of nozzles are installed on the outside of the vertical pipes. The motor, in conjunction with the sealing plate, is used to control the water outlet path.

[0006] As a preferred embodiment of the present invention, the filter cleaning structure further includes a cleaning component. The cleaning component works in conjunction with the filter cleaning structure to improve the cleaning effect on the filter bag. The cleaning component includes a protective cover and two fixing rings. The protective cover and the fixing rings are fixedly connected to the base plate, and the fixing rings and the round holes of the base plate are matched. An external gear ring is rotatably arranged on the outside of the fixing ring inside the protective cover, and a cleaning brush plate is fixedly arranged on the inner side of the external gear ring. A motor is arranged on the outside of the protective cover. The output shaft of the motor passes through the protective cover and the base plate in sequence, and a gear is arranged on the outside of the output shaft of the motor inside the protective cover. The gear and the two external gear rings are meshed and connected.

[0007] As a preferred technical solution of the present invention, the filter cleaning structure further includes a combing component, which works in conjunction with the cleaning component to handle the buildup generated by the cleaning brush during operation. The combing component includes two bottom rings, which are fixedly disposed inside the corresponding circular holes in the bottom plate, and two cleaning comb plates are fixedly disposed outside the bottom rings.

[0008] As a preferred technical solution of the present invention, the cover is connected to the tank by a number of fasteners, the main pipe and the bottom plate are fixedly connected to the tank, and the positions of the main pipe and the water inlet are matched. One end of the main pipe is set in a trumpet shape.

[0009] As a preferred embodiment of the present invention, the circular holes at corresponding positions of the frame and the base plate are matched, the circular holes of the pressure cylinder and the pressure plate are adaptively matched, and the pressure cylinder has several filter holes on its exterior.

[0010] As a preferred embodiment of the present invention, the tank body is provided with a scraping structure inside. The scraping structure, in conjunction with the filter cleaning structure, cleans the filter bag and removes crystals and other impurities that have accumulated on the inner wall of the tank due to long-term operation. The scraping structure includes a second protective cover, an inner gear ring, and two rotating wheels. The second protective cover is fixedly connected to the bottom plate, the inner gear ring is rotatably connected to the tank body, and the two rotating wheels are connected by a belt. One of the rotating wheels is fixedly connected to the output shaft of the second motor, and the other rotating wheel is fixedly connected to the second gear through the second protective cover. The second gear meshes with the inner gear ring. A connecting ring is fixedly connected to the outside of the inner gear ring, and four scrapers are fixedly connected to the outside of the connecting ring.

[0011] As a preferred embodiment of the present invention, a drain hole is provided on the outside of the base plate, and a sealing assembly is provided on the outside of the base plate. The sealing assembly is used to discharge the debris scraped off by the scraping structure. The sealing assembly includes an electric push rod, which is disposed on the outside of the base plate. One end of the electric push rod is fixedly connected to a sealing plate, which is adapted to the drain hole of the base plate.

[0012] As a preferred embodiment of the present invention, a filter plate is provided at the connection between the tank and the outlet, and the filter plate is used to perform secondary filtration of the water inside the tank.

[0013] As a preferred technical solution of the present invention, the pressure plate is provided with a shielding structure on its exterior. The shielding structure, in conjunction with the filter cleaning structure, is used to save water when cleaning the filter bag. The shielding structure includes an electric push rod II and two outer cylinders. The electric push rod II and the outer cylinders are both fixedly connected to the pressure plate. An inner cylinder is slidably provided on the inner side of the outer cylinder. One end of the electric push rod II is fixedly connected to the two inner cylinders through a connecting frame.

[0014] As a preferred technical solution of the present invention, the inner cylinder and the pressure cylinder are adaptively matched, and the inner cylinder cooperates with the outer cylinder to block the pressure cylinder under the action of the electric push rod II.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting up a filter cleaning structure, the filter can filter water as needed and clean the filter bag as required. This avoids the accumulation of internal debris in the filter bag due to long-term use, which affects the filtration effect. The motor controls the rotation angle of the sealing plate, which can control the opening and closing of the connection between the main pipe and the outlet pipe, as well as the through hole. This allows for control of the water outlet path as needed. When cleaning the filter bag, the through hole can pre-filter the water entering from the inlet, preventing the water that needs to be filtered from directly rinsing the filter bag and affecting the cleaning effect. 2. By setting up a cleaning component in conjunction with the filter cleaning structure, it is beneficial to make up for the defect of insufficient cleaning of the filter bag by the nozzle. The second motor acts on the meshing motion of the first gear and the two external gear rings, thereby causing the two cleaning brushes to rotate synchronously with the external gear rings. The cleaning brushes, together with the water sprayed by the nozzle, can improve the cleaning effect on the filter bag. 3. By setting up a combing component in conjunction with a cleaning component, the shortcomings of the cleaning component can be compensated. The cleaning comb plate can treat the surface of the cleaning brush plate and remove the debris generated by the cleaning brush plate during the cleaning process, so as to prevent the cleaning brush plate from losing its cleaning effect due to excessive accumulation of debris after long-term use. 4. By setting up a scraping structure in conjunction with a filter cleaning structure, it is beneficial to clean the inner wall of the tank simultaneously while cleaning the filter bag. This can remove debris such as crystals that have accumulated on the inner wall of the tank due to long-term use. Under the action of the motor and belt, the two rotating wheels rotate, which causes the internal gear ring to carry the scraper to perform a rotating scraping motion on the inner wall of the tank, ultimately cleaning the debris on the inner wall of the tank to the top of the bottom plate. 5. By setting up a sealing assembly in conjunction with a scraping structure, it is easy to discharge the scraped debris from the top of the bottom plate. Under the action of the electric push rod, the sealing plate exposes the drain hole of the bottom plate. With the water entering through the inlet, the debris can be discharged from the drain hole. The filter plate can perform secondary filtration of the water inside the tank and also prevent debris from falling into the tank due to manual replacement of the filter bag. The debris will be directly discharged with the filtered water into the outlet, avoiding any impact on water filtration in the future. 6. By setting up a shielding structure in conjunction with the filter cleaning structure, it is beneficial to completely block the pressure cylinder when cleaning the filter bag, so that water will not fill the inside of the tank. Compared with the traditional cleaning method, it saves water. At the same time, with the sealing component, the debris on the bottom plate can be flushed out, allowing the debris to flow out from the drain hole. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall cross-sectional side view of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 2 This is a three-dimensional structural diagram of the skeleton of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 3 This is a three-dimensional structural diagram of the skeleton, filter bag, and pressure cylinder of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 4 This is a three-dimensional structural diagram of the vertical pipe, sealing plate 1, and main pipe of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 5This is a cross-sectional three-dimensional structural diagram of a protective cover for a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 6 This is a three-dimensional structural diagram of a cleaning brush plate for a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 7 This is a three-dimensional structural diagram of a cleaning comb plate for a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 8 This is a cross-sectional three-dimensional structural diagram of the protective cover 2 of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 9 This is a three-dimensional structural diagram of the connecting ring, protective cover 2, and base plate of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 10 This is a three-dimensional structural diagram of the base plate of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 11 This is a three-dimensional structural diagram of the filter plate of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 12 This is a three-dimensional structural schematic diagram of the electric push rod 2 of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 13 This is a three-dimensional cross-sectional view of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 14 This is a three-dimensional cross-sectional structural diagram of the tank body of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 15 This is a schematic diagram of the overall front view of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention. Figure 16 This is a schematic diagram of the overall three-dimensional structure of a high-temperature water heat exchange station water filter based on a filter bag structure according to the present invention.

[0017] In the diagram: 1. Tank body; 2. Cover; 3. Fastener; 4. Inlet; 5. Outlet; 6. Drain; 7. Filter cleaning structure; 8. Scraping structure; 9. Shielding structure; 10. Main pipe; 11. Base plate; 12. Pressure plate; 13. Threaded rod; 14. Nut; 15. Frame; 16. Filter bag; 17. Pressure cylinder; 18. Outlet pipe; 19. Sealing plate 1; 20. Motor 1; 21. Through hole; 22. Vertical pipe; 23. Nozzle; 24. Protective cover 1; 25. Fixed ring; 26. External gear ring; 27. Cleaning brush plate; 28. Motor II; 29. ​​Gear I; 30. Bottom ring; 31. Cleaning comb plate; 32. Protective cover II; 33. Internal gear ring; 34. Rotary wheel; 35. Belt; 36. Gear II; 37. Connecting ring; 38. Scraper; 39. Electric push rod I; 40. Connecting arm; 41. Sealing plate II; 42. Filter plate; 43. Electric push rod II; 44. Outer cylinder; 45. Inner cylinder; 46. Connecting frame. Detailed Implementation

[0018] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0019] like Figures 1-16 As shown, a high-temperature water heat exchange station water filter based on a filter bag structure includes a tank 1 and a cover 2. The tank 1 is provided with an inlet 4, an outlet 5, and a drain outlet 6 on its exterior, and a filter cleaning structure 7 is provided on the interior of the tank 1. The filter cleaning structure 7 includes a main pipe 10, a bottom plate 11, and a pressure plate 12. Two threaded rods 13 are fixedly installed inside the tank body 1. Two round holes are opened on the outside of the bottom plate 11 and the pressure plate 12. The pressure plate 12 is connected to the two threaded rods 13 by two nuts 14 respectively. Two skeletons 15 are fixedly installed on the outside of the bottom plate 11. Filter bags 16 are sleeved on the outside of the skeletons 15, and pressure cylinders 17 are sleeved on the outside of the filter bags 16. The pressure plate 12 and the pressure cylinder 17 are used to compact the filter bags 16. Two water outlet pipes 18 are fixedly installed through the outside of the main pipe 10. A sealing plate 19 is rotatably installed on the inside of the main pipe 10, and one end of the sealing plate 19 is fixedly connected through the tank body 1 and the output shaft of the motor 20. Several through holes 21 are opened on the outside of the main pipe 10, and two vertical pipes 22 are fixedly connected through the outside of the main pipe 10. Several sets of nozzles 23 are installed on the outside of the vertical pipes 22. The motor 20 and the sealing plate 19 are used to control the path of the water outlet.

[0020] The filter cleaning structure 7 allows the filter to filter water as needed and clean the filter bag 16 as required, preventing the filter bag 16 from accumulating debris and affecting the filtration effect due to prolonged use. The motor 20 controls the rotation angle of the sealing plate 19, which controls the opening and closing of the connection between the main pipe 10 and the outlet pipe 18, as well as the through hole 21, thereby achieving the effect of controlling the water outlet path as needed. When cleaning the filter bag 16, the through hole 21 can pre-filter the water entering from the inlet 4, preventing the water to be filtered from directly rinsing the filter bag 16 and affecting the cleaning effect.

[0021] In this embodiment, the filter cleaning structure 7 also includes a cleaning component. The cleaning component works in conjunction with the filter cleaning structure 7 to improve the cleaning effect on the filter bag 16. The cleaning component includes a protective cover 24 and two fixing rings 25. The protective cover 24 and the fixing rings 25 are fixedly connected to the base plate 11, and the fixing rings 25 and the round holes of the base plate 11 are matched. An external gear ring 26 is rotatably arranged inside the protective cover 24 on the outside of the fixing ring 25, and a cleaning brush plate 27 is fixedly arranged on the inner side of the external gear ring 26. A motor 28 is arranged outside the protective cover 24. The output shaft of the motor 28 passes through the protective cover 24 and the base plate 11 in sequence. A gear 29 is arranged outside the output shaft of the motor 28 on the inner side of the protective cover 24. The gear 29 and the two external gear rings 26 are meshed and connected.

[0022] The cleaning component, together with the filter cleaning structure 7, can compensate for the deficiency of insufficient cleaning of the filter bag 16 by the nozzle 23. The motor 28 acts on the gear 29 and the two external gear rings 26 to mesh, thereby causing the two cleaning brushes 27 to rotate synchronously with the external gear rings 26. The water sprayed by the cleaning brushes 27 and the nozzle 23 can improve the cleaning effect on the filter bag 16.

[0023] In this embodiment, the filter cleaning structure 7 also includes a combing component. The combing component works with the cleaning component to handle the buildup generated by the cleaning brush plate 27 during operation. The combing component includes two bottom rings 30. The bottom rings 30 are fixedly disposed inside the corresponding circular holes of the bottom plate 11. Two cleaning comb plates 31 are fixedly disposed outside the bottom rings 30.

[0024] The combing component, in conjunction with the cleaning component, can compensate for the shortcomings of the cleaning component. The cleaning comb plate 31 can treat the surface of the cleaning brush plate 27 and remove the debris generated by the cleaning brush plate 27 during the cleaning process, so as to prevent the cleaning brush plate 27 from losing its cleaning effect due to excessive accumulation of debris after long-term use.

[0025] In this embodiment, the cover 2 is connected to the tank 1 by several fasteners 3. The main pipe 10 and the bottom plate 11 are fixedly connected to the tank 1, and the positions of the main pipe 10 and the water inlet 4 are matched. One end of the main pipe 10 is set in a trumpet shape.

[0026] The main pipe 10 is shaped like a trumpet. After water enters the main pipe 10 from the inlet 4, the water pressure will increase due to the large inlet and small internal space, which improves the spraying effect of the nozzle 23.

[0027] In this embodiment, the circular holes at corresponding positions of the frame 15 and the base plate 11 are matched, the circular holes of the pressure cylinder 17 and the pressure plate 12 are matched in adaptability, and the pressure cylinder 17 has several filter holes on its exterior.

[0028] In use, the filter bag 16 is fitted onto the outside of the frame 15. The frame 15 supports the filter bag 16, and the pressure cylinder 17 compresses and fixes the filter bag 16 under the action of the pressure plate 12.

[0029] In this embodiment, a scraping structure 8 is provided inside the tank 1. The scraping structure 8, together with the filter cleaning structure 7, cleans the filter bag 16 and removes crystals and other impurities that have accumulated on the inner wall of the tank 1 due to long-term operation. The scraping structure 8 includes a second protective cover 32, an inner gear ring 33, and two rotating wheels 34. The second protective cover 32 is fixedly connected to the bottom plate 11. The inner gear ring 33 is rotatably connected to the tank 1. The two rotating wheels 34 are connected by a belt 35. One of the rotating wheels 34 is fixedly connected to the output shaft of the second motor 28. The other rotating wheel 34 passes through the second protective cover 32 and is fixedly connected to a second gear 36. The second gear 36 meshes with the inner gear ring 33. A connecting ring 37 is fixedly connected to the outside of the inner gear ring 33. Four scrapers 38 are fixedly connected to the outside of the connecting ring 37.

[0030] The scraping structure 8, in conjunction with the filter cleaning structure 7, can simultaneously clean the inner wall of the tank 1 while cleaning the filter bag 16. This can remove the crystallized debris that accumulates on the inner wall of the tank 1 due to long-term use. Under the action of the motor 28 and the belt 35, the two rotating wheels 34 rotate, which causes the internal gear ring 33 to carry the scraper 38 to perform a rotating scraping motion on the inner wall of the tank 1, ultimately cleaning the debris on the inner wall of the tank 1 to the top of the bottom plate 11.

[0031] In this embodiment, a drain hole is provided on the outside of the base plate 11, and a sealing assembly is provided on the outside of the base plate 11. The sealing assembly is used to discharge the debris scraped off by the scraping structure 8. The sealing assembly includes an electric push rod 39, which is provided on the outside of the base plate 11. One end of the electric push rod 39 is fixedly connected to a sealing plate 41 via a connecting arm 40. The sealing plate 41 and the drain hole of the base plate 11 are compatible.

[0032] The sealing assembly, in conjunction with the scraping structure 8, can discharge the scraped debris from the top of the base plate 11. Under the action of the electric push rod 39, the sealing plate 41 exposes the drain hole of the base plate 11, and the water entering through the inlet 4 can discharge the debris from the drain hole.

[0033] In this embodiment, a filter plate 42 is provided at the connection between the tank body 1 and the water outlet 5. The filter plate 42 is used to perform secondary filtration on the water inside the tank body 1.

[0034] The filter plate 42 can perform secondary filtration of the water inside the tank 1, and also prevent debris from falling into the tank 1 when the filter bag 16 is replaced manually. The debris will be discharged directly into the outlet 5 with the filtered water, thus avoiding any impact on the water filtration later.

[0035] In this embodiment, a shielding structure 9 is provided on the outside of the pressure plate 12. The shielding structure 9, together with the filter cleaning structure 7, is used to save water when cleaning the filter bag 16. The shielding structure 9 includes an electric push rod 43 and two outer cylinders 44. The electric push rod 43 and the outer cylinders 44 are fixedly connected to the pressure plate 12. An inner cylinder 45 is slidably provided on the inner side of the outer cylinder 44. One end of the electric push rod 43 is fixedly connected to the two inner cylinders 45 through a connecting frame 46.

[0036] The shielding structure 9, together with the filter cleaning structure 7, can completely shield the pressure cylinder 17 when cleaning the filter bag 16, so that water will not fill the inside of the tank 1. Compared with the traditional cleaning method, it saves water. At the same time, together with the sealing component, it can wash away the debris on the bottom plate 11, so that the debris flows out from the drain hole.

[0037] In this embodiment, the inner cylinder 45 and the pressure cylinder 17 are adaptively matched. Under the action of the electric push rod 43, the inner cylinder 45 cooperates with the outer cylinder 44 to block the pressure cylinder 17.

[0038] With the help of the electric push rod 43, the outer cylinder 44 and the inner cylinder 45 completely cover the exposed part of the pressure cylinder 17, which facilitates the cleaning of the filter bag 16.

[0039] It should be noted that the present invention is a high-temperature water heat exchange station water filter based on a filter bag structure. Before use, the filter can be placed in the required location to meet the operating conditions. Before filtration, filter bag 16 is fitted onto the outside of frame 15, and pressure cylinder 17 is fitted onto the outside of filter bag 16. Pressure plate 12 is installed on the outside of two threaded rods 13 through two nuts 14, and the two pressure cylinders 17 are pressed by pressure plate 12, thereby fixing the two filter bags 16. Cover 2 is installed on tank 1 by several fasteners 3. Motor 1 20 is started to rotate sealing plate 19 to a predetermined angle to block several through holes 21 of main pipe 10. Electric push rod 1 39 and electric push rod 2 43 are in the retracted state, that is, sealing plate 2 41 blocks the drain hole of bottom plate 11, and inner cylinder 45 does not completely cover pressure cylinder 17. When the filter is performing normal filtration of water, close the drain outlet 6 and open the inlet 4 and outlet 5. The water to be filtered enters the interior of the main pipe 10 through the inlet 4, and then flows out from the two outlet pipes 18 of the main pipe 10 into the interior of the tank 1. Gradually, the bottom space inside the tank 1 is filled, and then the water enters the upper space of the tank 1 through the two round holes of the bottom plate 11. After passing through the round holes of the bottom plate 11, the water is filtered by the filter bag 16, and the filtered water flows out from the outlet 5. When cleaning the filter bag 16 is required, first close the inlet 4. After most of the water inside the tank 1 flows out from the outlet 5, close the outlet 5 and open the drain 6 to drain the remaining water inside the tank 1. Activate the electric push rod 43 to move the inner cylinder 45 down to the predetermined position and then stop. At this time, the inner cylinder 45, together with the outer cylinder 44, completely covers the pressure cylinder 17, saving water compared to the traditional method of filling the tank 1 with water for cleaning. The motor 20 rotates the sealing plate 19 180 degrees and then stops. At this time, the channel between the main pipe 10 and the outlet pipe 18 is blocked, and the through hole 21 between the main pipe 10 and the vertical pipe 22 is exposed. Then open the inlet 4 to allow water to enter the vertical pipe 22 from the main pipe 10 through the through hole 21 and finally be sprayed into the filter bag 16 by the nozzle 23. One end is flared, so the water pressure increases after water enters the main pipe 10, and impurities in the water are intercepted by the through hole 21, preventing the water to be filtered from directly rinsing the filter bag 16 and affecting the cleaning effect. The motor 28 is started, which causes the gear 29 to mesh with the two external gear rings 26, thereby causing the cleaning brush 27 to rotate and clean the inner wall of the filter bag 16. When the cleaning brush 27 passes the cleaning comb plate 31, the debris generated by the cleaning brush 27 is scraped off by the cleaning comb plate 31, preventing the cleaning brush 27 from accumulating too much debris and losing its cleaning effect. With the spray of water from the nozzle 23 and the action of the cleaning brush 27, the cleaning effect of the filter bag 16 is greatly improved. The debris generated by cleaning will flow from the inner wall of the filter bag 16 to the bottom of the tank 1, and finally be discharged from the drain port 6 with the water flow. During the manual replacement of the filter bag 16, debris inevitably falls into the tank 1. The filter plate 42 can intercept the fallen debris inside the tank 1 and perform secondary filtration on the water inside the tank 1. While the filter bag 16 is being cleaned, the motor 28 drives the wheel 34 to rotate. Under the action of the belt 35, the two wheels 34 rotate simultaneously, causing the gear 36 and the inner gear ring 33 to mesh. The inner gear ring 33 drives the connecting ring 37 to rotate synchronously, thereby causing the scraper 38 to rotate and scrape the inner wall of the tank 1 and the outside of the filter plate 42. This removes crystals and other debris that have accumulated on the inner wall of the tank 1 and the outside of the filter plate 42 due to long-term operation. The scraped debris falls to the top of the bottom plate 11. When the filter bag 16 is cleaned, the electric push rod 43 moves the inner cylinder 45 to a predetermined position, exposing the pressure cylinder 17 at a predetermined height, which facilitates the subsequent cleaning of the bottom plate 11. The cleaning process involves rotating the sealing plate 19 180 degrees using motor 20 and stopping it, at which point the through hole 21 is blocked. The drain port 6 is closed and the inlet port 4 is opened, allowing water to enter the main pipe 10 through the inlet port 4 and then into the tank 1 through the outlet pipe 18 until the water submerges the bottom plate 11 and exceeds the predetermined height. The process then stops when the inner cylinder 45 completely blocks the pressure cylinder 17 using electric push rod 43. The inlet port 4 is then closed, and electric push rod 39 is activated to expose the drain hole of the bottom plate 11 using sealing plate 41. The drain port 6 is then opened, and the water inside the tank 1 carries the debris from the top of the bottom plate 11 out through the drain hole and is finally discharged through the drain port 6.

Claims

1. A filter for high-temperature water heat exchanger station based on filter bag structure, comprising a tank body (1) and a cover body (2), the outer part of the tank body (1) is provided with a water inlet (4), a water outlet (5) and a blowdown outlet (6), characterized in that: The inner side of the tank (1) is provided with a filter cleaning structure (7). The filter cleaning structure (7) includes a main pipe (10), a bottom plate (11), and a pressure plate (12). Two threaded rods (13) are fixedly installed inside the tank (1). Two round holes are opened on the outside of the bottom plate (11) and the pressure plate (12). The pressure plate (12) is connected to the two threaded rods (13) by two nuts (14). Two skeletons (15) are fixedly installed on the outside of the bottom plate (11). A filter bag (16) is sleeved on the outside of the skeleton (15), and a pressure cylinder (17) is sleeved on the outside of the filter bag (16). The pressure plate (12) cooperates with the pressure cylinder (17). The main pipe (10) is used to compact the filter bag (16). Two water outlet pipes (18) are fixedly installed through the outside of the main pipe (10). A sealing plate (19) is rotatably installed on the inside of the main pipe (10). One end of the sealing plate (19) is fixedly connected through the tank (1) and the output shaft of the motor (20). Several through holes (21) are opened on the outside of the main pipe (10). Two vertical pipes (22) are fixedly connected through the outside of the main pipe (10). Several sets of nozzles (23) are installed on the outside of the vertical pipes (22). The motor (20) works with the sealing plate (19) to control the path of the water outlet.

2. The high-temperature water heat exchange station water filter based on a filter bag structure according to claim 1, characterized in that: The filter cleaning structure (7) also includes a cleaning component. The cleaning component works with the filter cleaning structure (7) to improve the cleaning effect on the filter bag (16). The cleaning component includes a protective cover (24) and two fixing rings (25). The protective cover (24) and the fixing rings (25) are fixedly connected to the base plate (11). The fixing rings (25) and the round holes of the base plate (11) are matched. An external gear ring (26) is rotatably arranged inside the protective cover (24) on the outside of the fixing ring (25). A cleaning brush plate (27) is fixedly arranged on the inside of the external gear ring (26). A motor (28) is arranged outside the protective cover (24). The output shaft of the motor (28) passes through the protective cover (24) and the base plate (11) in sequence. A gear (29) is arranged outside the output shaft of the motor (28) on the inside of the protective cover (24). The gear (29) meshes with the two external gear rings (26).

3. A high-temperature water heat exchange station water filter based on a filter bag structure according to claim 2, characterized in that: The filter cleaning structure (7) also includes a combing component, which works with the cleaning component to handle the buildup generated by the cleaning brush plate (27) during operation. The combing component includes two bottom rings (30), which are fixedly installed inside the corresponding round hole of the bottom plate (11). Two cleaning comb plates (31) are fixedly installed on the outside of the bottom rings (30).

4. A high-temperature water heat exchange station water filter based on a filter bag structure according to claim 1, characterized in that: The cover (2) is connected to the tank (1) by several fasteners (3). The main pipe (10) and the bottom plate (11) are fixedly connected to the tank (1), and the positions of the main pipe (10) and the water inlet (4) are matched. One end of the main pipe (10) is set in a trumpet shape.

5. A high-temperature water heat exchange station water filter based on a filter bag structure according to claim 1, characterized in that: The circular holes at corresponding positions of the frame (15) and the base plate (11) are matched, the circular holes of the pressure cylinder (17) and the pressure plate (12) are matched in adaptability, and the pressure cylinder (17) has several filter holes on its exterior.

6. A high-temperature water heat exchange station water filter based on a filter bag structure according to claim 2, characterized in that: The tank (1) is equipped with a scraping structure (8) inside. The scraping structure (8) works in conjunction with the filter cleaning structure (7) to clean the filter bag (16) and remove crystals and other debris generated on the inner wall of the tank (1) due to long-term operation. The scraping structure (8) includes a second protective cover (32), an inner gear ring (33), and two rotating wheels (34). The second protective cover (32) is fixedly connected to the bottom plate (11). The inner gear ring (33) is rotatably connected to the tank (1). The two rotating wheels (34) are connected by a belt (35). One of the rotating wheels (34) is fixedly connected to the output shaft of the second motor (28). The other rotating wheel (34) is fixedly connected to a second gear (36) through the second protective cover (32). The second gear (36) meshes with the inner gear ring (33). A connecting ring (37) is fixedly connected to the outside of the inner gear ring (33). Four scrapers (38) are fixedly connected to the outside of the connecting ring (37).

7. A high-temperature water heat exchange station water filter based on a filter bag structure according to claim 6, characterized in that: The bottom plate (11) has a drain hole on its outside and a sealing assembly is provided on its outside. The sealing assembly is used to discharge the debris scraped off by the scraping structure (8). The sealing assembly includes an electric push rod (39) which is located on the outside of the bottom plate (11). One end of the electric push rod (39) is fixedly connected to a sealing plate (41) via a connecting arm (40). The sealing plate (41) and the drain hole of the bottom plate (11) are compatible.

8. A high-temperature water heat exchange station water filter based on a filter bag structure according to claim 6, characterized in that: A filter plate (42) is provided at the connection between the tank (1) and the outlet (5). The filter plate (42) is used to perform secondary filtration of the water inside the tank (1).

9. A high-temperature water heat exchange station water filter based on a filter bag structure according to claim 1, characterized in that: The pressure plate (12) is provided with a shielding structure (9) on its outside. The shielding structure (9) works in conjunction with the filter cleaning structure (7) to save water when cleaning the filter bag (16). The shielding structure (9) includes an electric push rod (43) and two outer cylinders (44). The electric push rod (43) and the outer cylinders (44) are fixedly connected to the pressure plate (12). An inner cylinder (45) is slidably provided on the inner side of the outer cylinder (44). One end of the electric push rod (43) is fixedly connected to the two inner cylinders (45) through a connecting frame (46).

10. A high-temperature water heat exchange station water filter based on a filter bag structure according to claim 9, characterized in that: The inner cylinder (45) and the pressure cylinder (17) are adapted to each other. Under the action of the electric push rod (43), the inner cylinder (45) cooperates with the outer cylinder (44) to block the pressure cylinder (17).

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