Filter residue recovery device and filter cloth real-time self-cleaning system of pressure filter
By designing a slag recovery device in the pressurized filter, using the combination of scraper and material parts, the filter hole blockage caused by slag adhesion is solved, real-time self-cleaning of the filter plate is achieved, and the cleaning difficulty is reduced.
Patent Information
- Application Number
- CN202421141216.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-23
AI Technical Summary
In the pressurized filter, the slag is prone to adhere to the filter cloth, resulting in difficulty in cleaning and blockage of the filter holes. The prior art has not effectively solved this problem.
A filter slag recovery device is designed, including a scraper and a guide piece in the filter cartridge. The scraper and the filter plate surface move relative to each other to scrape the attached filter slag and transport it to the outside through the guide piece, real-time self-self of the filter plate clean.
It can clean the surface of the filter disk without shutting down during the operation of the equipment, reduce filter hole blockage and reduce cleaning difficulty.
Smart Images
Figure CN222342195U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of filter cleaning equipment, and in particular to a filter residue recovery device and a real-time self-cleaning system for filter cloth of a pressurized filter. Background Art
[0002] The pressure filter is suitable for the dehydration of flotation clean coal and primary fine coal slime, as well as the dehydration of ferrous metal and non-ferrous metal concentrates and solid-liquid separation in the chemical, light industry, environmental protection and other industries. During the filtration process, a part of the fine particles will adhere to the surface of the filter cloth or the filter holes, and cannot be completely detached when the filter cake is backblown and unloaded, thereby blocking the filter holes and reducing the filtration efficiency in the next cycle. Therefore, the filter cloth must be cleaned regularly with water to ensure that the air permeability of the filter cloth is good, thereby improving the filtration efficiency. However, because of the regular cleaning method, the slag will be more and more firmly adsorbed on the filter cloth over time. In the time period between two cleanings, the filter holes of the filter cloth will be blocked more and more seriously, making it more difficult to clean. In view of the emergence of the above problems, the existing technology has not solved them well, which has brought troubles to the normal work in this field. Therefore, a filter residue recovery device and a pressure filter cloth real-time self-cleaning system are urgently needed to solve the above problems. Utility Model Content
[0003] The utility model provides a filter residue recovery device and a real-time self-cleaning system for filter cloth of a pressure filter, which solves the problem in the related art that slag is easily adsorbed on the filter cloth and is difficult to clean.
[0004] The technical solution of the utility model is as follows: a filter residue recovery device, comprising a base, a filter cartridge, a filter disc, a scraper and a material guide member, the filter cartridge is arranged on the base, the filter disc is rotatably arranged in the filter cartridge, the scraper is arranged in the filter cartridge, the scraper abuts against the surface of the filter disc, the scraper has a collecting hole, the material guide member is arranged in the filter cartridge, the material guide member has a hollow structure, the hollow structure of the material guide member connects the collecting hole with the outside of the filter cartridge, and is used to discharge the filter residue from the filter cartridge.
[0005] Optionally, the collecting hole is opened along the length direction of the scraper, and two ends of the collecting hole are an inlet end and an outlet end respectively, and the width of the collecting hole gradually decreases from the inlet end to the outlet end.
[0006] Optionally, the material guiding member is a material guiding frame, the cross section of the material guiding frame is rectangular, one end of the material guiding frame is connected to the outlet end, and the other end is connected to the outside of the filter cartridge.
[0007] Optionally, a first baffle is further included, wherein the first baffle is arranged on the scraper and located on a side of the scraper away from the filter disc surface.
[0008] Optionally, the distance between the first baffle and the surface of the filter disc is L, and L gradually decreases in a direction away from the scraper to close to the scraper.
[0009] Optionally, a second baffle is further included, wherein the second baffle is arranged on the scraper and located at an end of the scraper away from the center of the filter disc.
[0010] Optionally, the scrapers are provided on both sides of the filter disc.
[0011] Optionally, it also includes an installation box, which is arranged on the base, and two ends of the material guiding member are respectively connected to the collecting hole and the installation box.
[0012] Optionally, a pull-out frame is further included, and the pull-out frame is slidably disposed in the installation box. After the pull-out frame slides, it slides into or out of the installation box.
[0013] A real-time self-cleaning system for filter cloth of a pressure filter comprises a filter residue recovery device.
[0014] The working principle and beneficial effects of the utility model are:
[0015] The filter residue is the slag in the prior art, and the filter cloth in the prior art is arranged on the surface of the filter disc, and the surface has filter holes. In order to prevent the filter residue from being adsorbed on the filter disc, blocking the filter holes, and causing cleaning difficulties, a scraper is added in the filter cartridge. The scraper is in the shape of a long rod, and one side abuts against the surface of the filter disc. After the filter disc rotates, it generates relative movement with the scraper, so that the scraper cleans the surface of the filter disc in real time. Specifically, during operation, the filter cartridge is filled with slurry, and the scraper is located above the slurry liquid level. As the filter disc rotates in the filter cartridge, the scraper and the surface of the filter disc are scratched, and the filter residue attached to the surface of the filter disc is scraped off and falls into the collection hole. The guide piece can be a square tube or a round tube with a hollow structure inside. The filter cartridge is provided with a through hole for the guide piece to extend out. One end of the guide piece is connected to the collection hole, and the other end protrudes from the filter cartridge through the through hole on the surface of the filter cartridge. The hollow structure of the guide piece can isolate the slurry from the collected filter residue. The filter residue in the collection hole can be transported to the outside of the filter cartridge with the help of the hollow structure of the guide piece. There is no need to stop the machine. The surface of the filter disc can be cleaned while the equipment is running, thereby realizing real-time self-cleaning of the surface of the filter disc. During the cleaning work, the filter residue attached to the surface of the filter disc can be greatly reduced, effectively reducing the blockage of the filter hole, thereby reducing the difficulty of cleaning. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present utility model.
[0017] Figure 1 This is a schematic diagram of the appearance of the filter cartridge in the utility model;
[0018] Figure 2 This is a schematic diagram of the internal structure of the filter cartridge in the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the filter disc in the utility model;
[0020] Figure 4 for Figure 3 Enlarged view of point A in the middle.
[0021] In the figure: 1. base, 2. filter cartridge, 3. filter plate, 4. scraper, 5. material guide, 6. collecting hole, 7. first baffle, 8. second baffle, 9. installation box, 10. pull-out frame. DETAILED DESCRIPTION
[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.
[0023] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".
[0024] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0025] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0026] Reference Figure 1~Figure 4, which is the first embodiment of the utility model, proposes a filter residue recovery device, including a base 1, a filter cartridge 2, a filter disc 3, a scraper 4 and a material guide 5, the filter cartridge 2 is arranged on the base 1, the filter disc 3 is rotatably arranged in the filter cartridge 2, the scraper 4 is arranged in the filter cartridge 2, the scraper 4 abuts against the surface of the filter disc 3, the scraper 4 has a collecting hole 6, the material guide 5 is arranged in the filter cartridge 2, the material guide 5 has a hollow structure, the hollow structure of the material guide 5 connects the collecting hole 6 with the outside of the filter cartridge 2, and is used to discharge the filter residue from the filter cartridge 2.
[0027] In this embodiment, the filter residue is the slag in the prior art, and the filter cloth in the prior art is arranged on the surface of the filter disc 3, and the surface has filter holes. In order to prevent the filter residue from being adsorbed on the filter disc 3, blocking the filter holes, and causing cleaning difficulties, a scraper 4 is added in the filter cartridge 2. The scraper 4 is in the shape of a long rod, and one side thereof abuts against the surface of the filter disc 3. After the filter disc 3 rotates, it moves relative to the scraper, so that the scraper cleans the surface of the filter disc 3 in real time. Specifically, during operation, the filter cartridge 2 is filled with ore pulp, and the scraper 4 is located above the ore pulp liquid surface. As the filter disc 3 rotates in the filter cartridge 2, the scraper 4 and the surface of the filter disc 3 are scratched, and the filter residue attached to the surface of the filter disc 3 is scraped off and falls into the collection hole 6. The material guide 5 can be a square tube or a round tube, etc., with a hollow structure inside. The filter cartridge 2 is provided with a through hole for the material guide 5 to extend out. One end of the material guide 5 is connected to the collection hole 6, and the other end protrudes from the filter cartridge 2 through the through hole on the surface of the filter cartridge 2. The hollow structure of the material guide 5 can isolate the slurry from the collected filter residue, and the filter residue in the collection hole 6 can be transported to the outside of the filter cartridge 2 with the help of the hollow structure of the material guide 5. There is no need to stop the machine, and the surface of the filter disc 3 can be cleaned while the equipment is running, thereby realizing real-time self-cleaning of the surface of the filter disc 3. When cleaning, the filter residue attached to the surface of the filter disc 3 can be greatly reduced, effectively reducing the blockage of the filter hole, thereby reducing the difficulty of cleaning.
[0028] The collecting hole 6 is opened along the length direction of the scraper 4, and the two ends of the collecting hole 6 are an inlet end and an outlet end respectively. The width of the collecting hole 6 gradually decreases from the inlet end to the outlet end.
[0029] In this embodiment, the collecting hole 6 is opened along the length direction of the scraper 4 so as to be parallel to the surface of the filter disc 3, which is convenient for collecting the filter residue. In addition, the top and bottom of the collecting hole 6 are the inlet end and the outlet end respectively. The width of the collecting hole 6 gradually decreases from the inlet end to the outlet end. The wider width of the inlet end facilitates the entry of the filter residue and plays a guiding role. The narrower width of the outlet end gathers the filter residue and facilitates the filter residue to enter the material guide 5.
[0030] The material guiding member 5 is a material guiding frame, and the cross section of the material guiding frame is rectangular. One end of the material guiding frame is connected to the outlet end, and the other end is connected to the outside of the filter cartridge 2.
[0031] In this embodiment, the material guiding member 5 is preferably a material guiding frame, which is rectangular as a whole and hollow inside. The rectangular shape can better fit the strip shape of the collecting hole 6 .
[0032] The filter further comprises a first baffle 7 , which is arranged on the scraper 4 and located at a side of the scraper 4 away from the surface of the filter disc 3 .
[0033] In this embodiment, the first baffle 7 is arranged on the side of the scraper 4 away from the surface of the filter disc 3 and is arranged vertically to block the filter residue scraped by the scraper 4, thereby preventing the filter residue from detaching from the scraper 4 and falling into the collection hole 6 and into the slurry.
[0034] The distance between the first baffle 7 and the surface of the filter disc 3 is L, and L gradually decreases from the direction away from the scraper 4 to the direction close to the scraper 4.
[0035] In this embodiment, the distance L is designed to gradually decrease from top to bottom, so that the side of the first baffle 7 close to the filter disc 3 becomes an inclined surface, so that the space between the first baffle 7 and the filter disc 3 becomes a space that is wide at the top and narrow at the bottom, thereby gathering the filter residue and helping the filter residue to enter the collecting hole 6.
[0036] It also includes a second baffle 8 , which is arranged on the scraper 4 and located at an end of the scraper 4 away from the center of the filter disc 3 .
[0037] In this embodiment, the second baffle 8 is arranged on the scraper 4, the second baffle 8 abuts against the surface of the filter disc 3, and the top of the second baffle 8 is inclined toward the center of the filter disc 3. The second baffle 8 is located above the collecting hole 6. When the filter disc 3 rotates, the second baffle 8 blocks the filter residue to prevent the filter residue from detaching from the scraper 4 and help to guide the filter residue into the collecting hole 6.
[0038] The scrapers 4 are arranged on both sides of the filter disc 3 .
[0039] In this embodiment, two groups of scrapers 4 with the same structure are arranged on both sides of the filter disc 3 to achieve simultaneous cleaning of the two sides of the filter disc 3 .
[0040] It also includes an installation box 9, which is arranged on the base 1, and two ends of the material guiding member 5 are respectively connected to the collecting hole 6 and the installation box 9.
[0041] It also includes a pull-out frame 10 , which is slidably disposed in the installation box 9 . After the pull-out frame 10 slides, it slides into or out of the installation box 9 .
[0042] In this embodiment, an installation box 9 and a pull-out frame 10 are also provided. The pull-out frame 10 is located in the installation box 9. The two ends of the material guide member 5 are respectively connected to the collecting hole 6 and the installation box 9. The filter residue discharged from the filter cartridge 2 can enter the pull-out frame 10 in the installation box 9 with the help of the material guide member 5. The pull-out frame 10 is used to temporarily store the filter residue, and the installation box 9 is used to ensure the closure of the space. When the filter residue needs to be cleaned, the pull-out frame 10 is pulled out, the stored filter residue is cleaned up, and then the pull-out frame 10 is pushed back to its original position. The operation is very convenient and quick.
[0043] A real-time self-cleaning system for filter cloth of a pressure filter comprises a filter residue recovery device.
[0044] In this embodiment, the filter residue recovery device is added to the cleaning system of the pressure filter, and the filter disc 3 can be cleaned with the help of the scraper 4 during the operation of the equipment without stopping the equipment and adding additional cleaning equipment. The real-time self-cleaning of the filter cloth can be achieved only by the rotation of the filter disc 3 itself.
[0045] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A filter residue recovery device, characterized in that: The invention comprises a base (1), a filter cartridge (2), a filter disc (3), a scraper (4) and a material guide member (5), wherein the filter cartridge (2) is arranged on the base (1), the filter disc (3) is rotatably arranged in the filter cartridge (2), the scraper (4) is arranged in the filter cartridge (2), the scraper (4) abuts against the surface of the filter disc (3), the scraper (4) has a collecting hole (6), the material guide member (5) is arranged in the filter cartridge (2), the material guide member (5) has a hollow structure, and the hollow structure of the material guide member (5) connects the collecting hole (6) with the outside of the filter cartridge (2) and is used to discharge filter residue from the filter cartridge (2).
2. A filter residue recovery device according to claim 1, characterized in that: The collecting hole (6) is opened along the length direction of the scraper (4), the two ends of the collecting hole (6) are an inlet end and an outlet end respectively, and the width of the collecting hole (6) gradually decreases from the inlet end to the outlet end.
3. A filter residue recovery device according to claim 2, characterized in that: The material guide member (5) is a material guide frame, the cross section of the material guide frame is rectangular, one end of the material guide frame is connected to the outlet end, and the other end is connected to the outside of the filter cartridge (2).
4. A filter residue recovery device according to claim 1, characterized in that: It also comprises a first baffle (7), wherein the first baffle (7) is arranged on the scraper (4) and is located on a side of the scraper (4) away from the surface of the filter disc (3).
5. A filter residue recovery device according to claim 4, characterized in that: The distance between the first baffle (7) and the surface of the filter disc (3) is L, and L gradually decreases in a direction away from the scraper (4) to a direction close to the scraper (4).
6. A filter residue recovery device according to claim 1, characterized in that: It also comprises a second baffle (8), which is arranged on the scraper (4) and located at an end of the scraper (4) away from the center of the filter disc (3).
7. A filter residue recovery device according to claim 1, characterized in that: The scrapers (4) are arranged on both sides of the filter disc (3).
8. A filter residue recovery device according to claim 1, characterized in that: It also comprises an installation box (9), the installation box (9) being arranged on the base (1), and the two ends of the material guide member (5) being respectively connected to the collection hole (6) and the installation box (9).
9. A filter residue recovery device according to claim 8, characterized in that: It also comprises a pull-out frame (10), wherein the pull-out frame (10) is slidably disposed in the installation box (9), and after the pull-out frame (10) slides, it slides into or out of the installation box (9).
10. A real-time self-cleaning system for filter cloth of a pressure filter, characterized in that: It comprises the filter residue recovery device according to any one of claims 1 to 9.