Circulating filter

Abstract

The utility model relates to an anti-blocking circulating filter, in particular to a circulating filter, which comprises a circulating water filter body, a cylinder cover is bolted on the upper surface of the circulating water filter body, a water wheel is driven by an air cylinder to move to a water inlet pipe, and inlet water impacts the water wheel to drive a connecting cylinder and a stud to rotate. A stud rotates to drive a plugging plate to move downwards, a spring rod pushes a sliding block b and a scraper a to move downwards, a connecting cylinder drives a connecting plate and a scraper b to rotate to scrape impurities attached to the inner wall of the filter element, the scraped impurities fall onto the upper surface of the plugging plate, and the scraper a scrapes impurities accumulated on the upper surface of the plugging plate. The spiral packing auger discharges impurities at the bottom of the circulating water filter body through the waste discharge pipe, so that the problems that too many stains exist outside a filter screen of an existing device, the filter screen is easily blocked, and the normal work of the circulating water filter is influenced as the circulating water filter needs to be shut down when the filter screen is cleaned are solved.

Description

Technical Field

[0001] The utility model relates to a circulating filter, in particular to a clogging-proof circulating filter. Background Art

[0002] A filter is an indispensable device on the pipeline for conveying medium, usually installed at the inlet ends of pressure reducing valves, pressure relief valves, constant water level valves, and other equipment. The filter consists of a cylinder body, a stainless steel filter screen, a sewage discharge part, a transmission device, and an electrical control part.

[0003] Filters are widely used. If filters are used in chemical enterprises, the discharge of sewage can be effectively reduced, and at the same time, the recycling of water can be realized.

[0004] In general, in the process of filtration of existing circulating water filters, in order to prevent the filter screen from shifting, the filter screen needs to be fixed inside the filter cylinder. When using a circulating water filter, if there is too much dirt outside the filter screen, it is easy to cause the filter screen to be blocked, affecting the normal operation of the filter. Moreover, when cleaning the filter screen, the circulating water filter needs to be shut down, affecting the normal operation of the circulating water filter. Content of the Utility Model

[0005] To solve the problems raised in the above background art, the utility model provides a circulating filter.

[0006] To achieve the above object, the utility model provides the following technical solution: A circulating filter includes a circulating water filter body. A cylinder cover is bolted to the upper surface of the circulating water filter body. A connecting cylinder is rotatably connected to the lower surface of the cylinder cover. A lifting assembly is arranged inside the connecting cylinder. A water wheel is slidably connected to the outer surface of the connecting cylinder. Two connecting plates are fixedly connected to the left and right sides of the connecting cylinder. A scraping plate b is fixedly connected to the left side of the connecting plate. The left side of the scraping plate b is slidably connected to the inner wall of the filter element. The filter element is bolted to the inner wall of the circulating water filter body. Two moving grooves are respectively formed on the opposite sides of the two scraping plates b. A scraping component is arranged inside the moving groove. One end of a waste discharge pipe is communicated with the lower surface of the circulating water filter body. One end of a water inlet pipe is communicated with the front surface of the circulating water filter body. One end of a drain pipe is communicated with the right side surface of the circulating water filter body.

[0007] Preferably, the lifting assembly includes a cylinder installed on the upper surface of the inner wall of the connecting cylinder. The telescopic end of the cylinder is fixedly connected to the upper surface of a connecting block. Two sliding blocks a are fixedly connected to the left and right sides of the connecting block. The opposite sides of the two sliding blocks a are respectively fixedly connected to the left and right sides of the inner wall of the water wheel.

[0008] Preferably, the front and back surfaces of the slider a are respectively slidably connected to the front and back surfaces of the inner wall of the limiting groove, and the two limiting grooves are respectively formed on the left and right side surfaces of the connecting cylinder.

[0009] Preferably, the scraping component includes a spring rod installed on the upper surface of the inner wall of the moving groove. The telescopic end of the spring rod is fixedly connected to the upper surface of the slider b. The front and back surfaces of the slider b are respectively slidably connected to the front and back surfaces of the inner wall of the moving groove, and two scraping plates a are respectively fixedly connected to the opposite surfaces of the two sliders b.

[0010] Preferably, the bottom end of the connecting cylinder is fixedly connected to the top end of the stud, and a sealing plate is threadedly connected to the outer surface of the stud.

[0011] Preferably, the bottom end of the stud is fixedly connected to the top end of the spiral auger, and the outer surface of the spiral auger is slidably connected to the inner wall of the waste discharge pipe.

[0012] Preferably, two fixing plates are respectively fixedly connected to the lower surface of the sealing plate. The right side surface of the fixing plate is slidably connected to the right side surface of the inner wall of the sliding groove, and the two sliding grooves are respectively formed on the left and right side surfaces of the inner wall of the circulating water filter body.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] In the present utility model, the water wheel is driven by the air cylinder to move to the water inlet pipe. The water inlet impacts the water wheel to drive the connecting cylinder and the stud to rotate. The rotation of the stud drives the sealing plate to move downward. The spring rod pushes the slider b and the scraping plate a to move downward. The connecting cylinder drives the connecting plate and the scraping plate b to rotate to scrape the impurities adhered to the inner wall of the filter element. The scraped impurities fall onto the upper surface of the sealing plate. The scraping plate a scrapes the impurities accumulated on the upper surface of the sealing plate. The spiral auger discharges the impurities at the bottom of the circulating water filter body through the waste discharge pipe, solving the problems that the external stains of the filter screen of the existing device are too much, which is easy to cause blockage of the filter screen, and when cleaning the filter screen, the circulating water filter needs to be shut down, affecting the normal operation of the circulating water filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is a schematic cross-sectional structural diagram of the present utility model when viewed from the front;

[0018] Figure 3 is a three-dimensional structural diagram of the spiral auger of the present utility model;

[0019] In the figure: 1. cylinder cover; 2. circulating water filter body; 3. filter element; 4. connecting cylinder; 5. stud;

[0020] Lifting assembly: 61. cylinder; 62. connecting block; 63. slider a; 64. water wheel; 7. limiting groove;

[0021] Scraping assembly: 81. spring rod; 82. slider b; 83. scraper a;

[0022] 9. plugging plate; 10. spiral auger; 11. drain pipe; 12. waste discharge pipe; 13. water inlet pipe; 14. moving groove; 15. sliding groove; 16. fixing plate; 17. connecting plate; 18. scraper b. Specific implementation mode

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] Embodiment

[0025] Please refer to Figures 1-3 , the present invention provides the following technical solutions: A circulating filter, including a circulating water filter body 2, a cylinder cover 1 is bolted to the upper surface of the circulating water filter body 2, a connecting cylinder 4 is rotatably connected to the lower surface of the cylinder cover 1, a lifting assembly is arranged inside the connecting cylinder 4, a water wheel 64 is slidably connected to the outer surface of the connecting cylinder 4, two connecting plates 17 are fixedly connected to the left and right sides of the connecting cylinder 4, a scraper b 18 is fixedly connected to the left side of the connecting plate 17, the left side of the scraper b 18 is slidably connected to the inner wall of the filter element 3, the filter element 3 is bolted to the inner wall of the circulating water filter body 2, and two moving grooves 14 are respectively opened on the opposite sides of the two scrapers b 18, a scraping assembly is arranged inside the moving groove 14, the lower surface of the circulating water filter body 2 is communicated with one end of the waste discharge pipe 12, the front surface of the circulating water filter body 2 is communicated with one end of the water inlet pipe 13, and the right side of the circulating water filter body 2 is communicated with one end of the drain pipe 11.

[0026] Specifically, by setting that the lifting assembly includes a cylinder 61 installed on the upper surface of the inner wall of the connecting cylinder 4, the telescopic end of the cylinder 61 is fixedly connected to the upper surface of the connecting block 62, two sliders a 63 are fixedly connected to the left and right sides of the connecting block 62, and the opposite sides of the two sliders a 63 are respectively fixedly connected to the left and right sides of the inner wall of the water wheel 64;

[0027] The cylinder 61 drives the connecting block 62, the slider a63 and the water wheel 64 to move downward, moves the water wheel 64 to the water inlet pipe 13, and the water inlet impacts the water wheel 64 to drive the connecting cylinder 4 to rotate.

[0028] Specifically, by setting that the front and back surfaces of the slider a63 are respectively slidably connected to the front and back surfaces of the inner wall of the limiting groove 7, and the two limiting grooves 7 are respectively opened on the left and right side surfaces of the connecting cylinder 4;

[0029] The cylinder 61 drives the connecting block 62 and the slider a63 to slide in the limiting groove 7, and the movement of the slider a63 drives the water wheel 64 to move in the same direction. The water wheel 64 is limited by the limiting groove 7 and the slider a63.

[0030] Specifically, by setting that the scraping component includes a spring rod 81 installed on the upper surface of the inner wall of the moving groove 14, the telescopic end of the spring rod 81 is fixedly connected to the upper surface of the slider b82, the front and back surfaces of the slider b82 are respectively slidably connected to the front and back surfaces of the inner wall of the moving groove 14, and two scraping plates a83 are respectively fixedly connected to the opposite surfaces of the two sliders b82;

[0031] Specifically, by setting that the bottom end of the connecting cylinder 4 is fixedly connected to the top end of the stud 5, and the outer surface of the stud 5 is threadedly connected with a sealing plate 9;

[0032] The sealing plate 9 seals the lower side of the filter element 3. The connecting cylinder 4 drives the stud 5 to rotate, the rotation of the stud 5 drives the sealing plate 9 to move downward, the spring rod 81 pushes the slider b82 and the scraping plate a83 to move downward, and the connecting cylinder 4 drives the scraping plate a83 to scrape the impurities accumulated on the upper surface of the sealing plate 9.

[0033] Specifically, by setting that the bottom end of the stud 5 is fixedly connected to the top end of the spiral auger 10, and the outer surface of the spiral auger 10 is slidably connected to the inner wall of the waste discharge pipe 12;

[0034] The scraped impurities fall to the bottom of the circulating water filter body 2. The bottom end of the stud 5 is fixedly connected with a spiral auger 10, and the impurities at the bottom of the circulating water filter body 2 are discharged through the waste discharge pipe 12 by the spiral auger 10.

[0035] Specifically, by setting that two fixing plates 16 are respectively fixedly connected to the lower surface of the sealing plate 9, the right side surface of the fixing plate 16 is slidably connected to the right side surface of the inner wall of the sliding groove 15, and the two sliding grooves 15 are respectively opened on the left and right side surfaces of the inner wall of the circulating water filter body 2;

[0036] The movement of the sealing plate 9 drives the fixing plate 16 to slide in the sliding groove 15, and the sealing plate 9 is limited by the fixing plate 16 and the sliding groove 15.

[0037] Working principle and usage process of the utility model:

[0038] When the utility model is in use:

[0039] The air cylinder 61 drives the connecting block 62, the slider a 63 and the water wheel 64 to move downward, moves the water wheel 64 to the water inlet pipe 13, the incoming water impacts the water wheel 64 to drive the connecting cylinder 4 and the stud 5 to rotate, the rotation of the stud 5 drives the sealing plate 9 to move downward, the spring rod 81 pushes the slider b 82 and the scraper a 83 to move downward, the connecting cylinder 4 drives the scraper a 83 to scrape the impurities accumulated on the upper surface of the sealing plate 9, the scraped impurities fall to the bottom of the circulating water filter body 2, the bottom end of the stud 5 is fixedly connected with a spiral auger 10, and the impurities at the bottom of the circulating water filter body 2 are discharged through the waste pipe 12 by the spiral auger 10.

[0040] The circuits, electronic components and modules involved are all prior arts, which can be fully realized by those skilled in the art without further elaboration. The content protected by the utility model does not involve the improvement of software and methods either.

[0041] Finally, it should be noted that the above are only the preferred embodiments of the utility model and are not used to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A circulating filter, comprising a circulating water filter body (2), characterized in that: The upper surface of the circulating water filter body (2) is bolted with a cylinder cover (1). The lower surface of the cylinder cover (1) is rotatably connected with a connecting cylinder (4). An elevating assembly is arranged inside the connecting cylinder (4). The outer surface of the connecting cylinder (4) is slidably connected with a water wheel (64). Two connecting plates (17) are fixedly connected to the left and right side surfaces of the connecting cylinder (4). A scraper b (18) is fixedly connected to the left side surface of the connecting plate (17). The left side surface of the scraper b (18) is slidably connected with the inner wall of the filter element (3). The filter element (3) is bolted to the inner wall of the circulating water filter body (2). And two moving grooves (14) are respectively formed on the opposite surfaces of the two scrapers b (18). A scraping assembly is arranged inside the moving groove (14). The lower surface of the circulating water filter body (2) is communicated with one end of a waste discharge pipe (12). The front surface of the circulating water filter body (2) is communicated with one end of a water inlet pipe (13). The right side surface of the circulating water filter body (2) is communicated with one end of a drain pipe (11).

2. The circulating filter according to claim 1, wherein: The elevating assembly includes a cylinder (61) installed on the upper surface of the inner wall of the connecting cylinder (4). The telescopic end of the cylinder (61) is fixedly connected with the upper surface of a connecting block (62). Two sliding blocks a (63) are fixedly connected to the left and right side surfaces of the connecting block (62). And the opposite surfaces of the two sliding blocks a (63) are respectively fixedly connected with the left and right side surfaces of the inner wall of the water wheel (64).

3. The circulating filter according to claim 2, characterized in that: The front and back surfaces of the sliding block a (63) are respectively slidably connected with the front and back surfaces of the inner wall of a limiting groove (7). And the two limiting grooves (7) are respectively formed on the left and right side surfaces of the connecting cylinder (4).

4. A cyclic filter according to claim 1, wherein: The scraping assembly includes a spring rod (81) installed on the upper surface of the inner wall of the moving groove (14). The telescopic end of the spring rod (81) is fixedly connected with the upper surface of a sliding block b (82). The front and back surfaces of the sliding block b (82) are respectively slidably connected with the front and back surfaces of the inner wall of the moving groove (14). And two scrapers a (83) are respectively fixedly connected to the opposite surfaces of the two sliding blocks b (82).

5. A circulating filter according to claim 1, characterized in that: The bottom end of the connecting cylinder (4) is fixedly connected with the top end of a stud (5). The outer surface of the stud (5) is threadedly connected with a sealing plate (9).

6. The circulating filter according to claim 5, wherein: The bottom end of the stud (5) is fixedly connected with the top end of a spiral auger (10). The outer surface of the spiral auger (10) is slidably connected with the inner wall of the waste discharge pipe (12).

7. A circulation filter according to claim 5, characterized in that: Two fixing plates (16) are respectively fixedly connected to the lower surface of the sealing plate (9). The right side surface of the fixing plate (16) is slidably connected with the right side surface of the inner wall of a sliding groove (15). And the two sliding grooves (15) are respectively formed on the left and right side surfaces of the inner wall of the circulating water filter body (2).

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