Filter disc for belt filter
By designing a filter disk structure with connecting slots, gaps and pull rods, the problem that existing filter disks cannot be replaced separately is solved, and the rapid disassembly and replacement of the filter is achieved, which reduces production costs and increases the use of the filter. Lifespan and filtration efficiency.
Patent Information
- Application Number
- CN202420319389.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-20
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-02-20
AI Technical Summary
Due to the multi-layer filter structure design, the filter plate of the existing belt filter cannot be replaced separately, resulting in increased production costs.
A filter disk structure with connecting slots, gaps and pull rods is designed to allow separate disassembly and replace the filter mesh, and is installed and buffered with metal connecting plugs and return springs. The filter mesh is made of stainless steel sintered net or metal braided net become.
The filter screen in the filter plate is replaced separately, which reduces production costs and improves the service life and filtration efficiency of the filter screen through stainless steel materials.
Smart Images
Figure CN222305011U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of belt filters, in particular to a filter disc used for belt filters. Background Art
[0002] Belt filter, also known as belt filter press or chain filter, is a continuous filter. It uses two endless filter belts wound on a series of rollers of different sizes arranged in sequence to remove moisture from the slurry through squeezing and shearing between the filter belts. It is an efficient dehydration equipment. This equipment is relatively simple in structure and has the advantages of high dehydration efficiency, large processing capacity, low energy consumption, low noise, high degree of automation, and easy maintenance. The filter disc in the belt filter is an ideal filter element for filtering, washing, and drying (referred to as three-in-one).
[0003] Since the filter disc used in the belt filter is now formed by a multi-layer filter structure in one body to increase the filtration area and filtration efficiency, when one of the filters needs to be replaced individually, it cannot be achieved, and the entire filter structure can only be replaced as a whole, which increases production costs.
[0004] Therefore, it is necessary to design a filter disc for a belt filter to solve the above-mentioned problems. Utility Model Content
[0005] The purpose of the utility model is to provide a filter disc for a belt filter, which is convenient for replacing a single filter screen structure inside the filter disc, so as to solve the problems raised in the above-mentioned background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A filter disc for a belt filter comprises a filter disc body, wherein the filter disc body comprises a filter disc outer frame located on the outside thereof and a filter screen assembly located inside the filter disc outer frame, a connection slot is provided inside the rear side of the filter disc outer frame, a notch is provided on the outside of the filter disc outer frame at one symmetrical end of the connection slot, the filter screen assembly comprises a first filter screen and a second filter screen, the first filter screen and the second filter screen are both provided with a metal connection plug on one side of the connection slot, and a pull rod is provided on the symmetrical side of the metal connection plug.
[0008] As a preferred solution of the present invention, the outer surfaces of the metal connection plug-in block and the first filter screen and the second filter screen are all designed as an integrated structure, and the metal connection plug-in block and the connection slot are plugged in each other.
[0009] As a preferred solution of the utility model, a plurality of return springs are connected to the inner bottom end of the connection slot, and a pressure plate is fixedly provided on the top of the plurality of return springs, and the pressure plate abuts against the bottom of the metal connection plug block.
[0010] As a preferred solution of the present invention, the pull rod is designed as a whole in an arc shape, and is integrally connected to the outer shell of the first filter screen and the second filter screen, so that the first filter screen and the second filter screen can be pulled by the pull rod.
[0011] As a preferred solution of the present invention, the overall size of the first filter screen and the second filter screen is smaller than the internal size of the filter disc outer frame, so that the first filter screen and the second filter screen can be installed inside the filter disc outer frame.
[0012] As a preferred solution of the present utility model, the first filter screen and the second filter screen are both made of stainless steel sintered mesh or metal woven mesh, and the material thereof is SUS316L, and the filter hole diameter of the first filter screen is larger than the filter hole diameter of the second filter screen.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] In the utility model, a filter disc for a belt filter is provided. When the filter disc is used, a first filter screen and a second filter screen are utilized to intercept and remove impurities such as solid particles and suspended matter to perform filtering operations. When the first filter screen or the second filter screen needs to be replaced separately later, it is only necessary to hold the pull rod end and pull the first filter screen or the second filter screen outward to achieve the purpose of disassembly. Thereafter, the new filter screen can be inserted into the inner part of the outer frame of the filter disc through the notch, thereby achieving the replacement of the individual filter screen in the filter disc. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model after partial disassembly;
[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the outer frame of the filter disc of the utility model;
[0018] Figure 4 for Figure 2 Schematic diagram of the structure viewed from above.
[0019] In the figure: 1. filter disc body; 2. filter disc outer frame; 3. filter screen assembly; 4. connecting slot; 41. reset spring; 42. pressure plate; 5. notch; 6. first filter screen; 7. second filter screen; 8. metal connecting plug block; 9. pull rod. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0022] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0024] For examples, see Figure 1-4 , the utility model provides a technical solution:
[0025] A filter disc for a belt filter comprises a filter disc body 1, wherein the filter disc body 1 comprises a filter disc outer frame 2 located on the outside thereof and a filter screen assembly 3 located inside the filter disc outer frame 2, a connection slot 4 is provided inside the rear side of the filter disc outer frame 2, a notch 5 is provided on the outside of the filter disc outer frame 2 at one symmetrical end of the connection slot 4, the filter screen assembly 3 comprises a first filter screen 6 and a second filter screen 7, and a metal connection plug 8 is provided on one side of the first filter screen 6 and the second filter screen 7 located on the connection slot 4, and a pull rod 9 is provided on the symmetrical side of the metal connection plug 8.
[0026] Specifically, the outer surfaces of the metal connection plug block 8, the first filter screen 6 and the second filter screen 7 are all designed as an integrated structure, and the metal connection plug block 8 and the connection slot 4 are plugged in;
[0027] In this embodiment, the metal connecting plug 8 is inserted into the connecting slot 4 so that the first filter 6 and the second filter 7 are integrally installed inside the filter disc outer frame 2, so as to facilitate the subsequent removal and replacement of the individual first filter 6 and the second filter 7.
[0028] Furthermore, a plurality of return springs 41 are connected to the inner bottom end of the connecting slot 4, and a pressure plate 42 is fixedly provided on the top of the plurality of return springs 41, and the pressure plate 42 is in contact with the bottom of the metal connecting block 8. Through the action of the return spring 41 and the pressure plate 42, the metal connecting block 8 located inside the connecting slot 4 can be compressed. In the subsequent process of the filtered material falling into the first filter screen 6 and the second filter screen 7, a certain impact will be caused to the first filter screen 6 and the second filter screen 7. At this time, the action of the return spring 41 is used for buffering, thereby preventing the impact from causing the first filter screen 6 and the second filter screen 7 to impact the outer frame 2 of the filter disc.
[0029] Furthermore, the pull rod 9 is designed as an arc shape as a whole, and is integrally connected to the outer shell of the first filter screen 6 and the second filter screen 7, so that the first filter screen 6 and the second filter screen 7 can be pulled by the pull rod 9.
[0030] Specifically, the overall size of the first filter screen 6 and the second filter screen 7 is smaller than the internal size of the filter disc outer frame 2, so that the first filter screen 6 and the second filter screen 7 can be installed inside the filter disc outer frame 2;
[0031] In this embodiment, the first filter screen 6 and the second filter screen 7 are used to intercept and remove impurities such as solid particles and suspended matter to perform filtering operations.
[0032] Furthermore, the first filter screen 6 and the second filter screen 7 are both made of stainless steel sintered mesh or metal woven mesh, and their material is SUS316L. The filter hole diameter of the first filter screen 6 is larger than the filter hole diameter of the second filter screen 7, which can avoid the hidden danger of rust of the first filter screen 6 and the second filter screen 7 and improve their service life.
[0033] The working process of the utility model is as follows: when the filter disc for the belt filter is used, the first filter screen 6 and the second filter screen 7 are used to intercept and remove impurities such as solid particles and suspended matter to perform filtering operations. When the first filter screen 6 or the second filter screen 7 needs to be replaced separately later, it is only necessary to hold the end of the pull rod 9 and pull the first filter screen 6 or the second filter screen 7 outward to achieve the purpose of disassembly, and then the new filter screen is inserted into the inner part of the filter disc outer frame 2 through the notch 5. At the same time, the metal connecting plug block 8 located inside the connecting slot 4 can be pressed by the action of the reset spring 41 and the pressure plate 42. In the process of the filtered material falling into the first filter screen 6 and the second filter screen 7, a certain impact will be caused to the first filter screen 6 and the second filter screen 7. At this time, the reset spring 41 is used for buffering, thereby preventing the impact from causing the first filter screen 6 and the second filter screen 7 to impact the filter disc outer frame 2, so as to achieve the replacement of the individual filter screens in the filter disc.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A filter disc for a belt filter, comprising a filter disc body (1), characterized in that: The filter disc body (1) comprises a filter disc outer frame (2) located on the outside thereof and a filter screen assembly (3) located inside the filter disc outer frame (2); a connection slot (4) is provided inside the rear side of the filter disc outer frame (2); a notch (5) is provided on the outside of the filter disc outer frame (2) at one symmetrical end of the connection slot (4); the filter screen assembly (3) comprises a first filter screen (6) and a second filter screen (7); the first filter screen (6) and the second filter screen (7) are both provided with a metal connection plug (8) on one side of the connection slot (4); and a pull rod (9) is provided on one symmetrical side of the metal connection plug (8).
2. A filter disc for a belt filter according to claim 1, characterized in that: The outer surfaces of the metal connection plug-in block (8), the first filter screen (6) and the second filter screen (7) are all designed as an integrated structure, and the metal connection plug-in block (8) and the connection slot (4) are plugged into each other.
3. A filter disc for a belt filter according to claim 1, characterized in that: A plurality of return springs (41) are connected to the inner bottom end of the connection slot (4), and a pressure plate (42) is fixedly provided on the top of each of the return springs (41), and the pressure plate (42) abuts against the bottom of the metal connection plug block (8).
4. A filter disc for a belt filter according to claim 1, characterized in that: The pull rod (9) is designed as an arc shape as a whole and is integrally connected to the outer shell of the first filter screen (6) and the second filter screen (7), so that the first filter screen (6) and the second filter screen (7) can be pulled by the pull rod (9).
5. A filter disc for a belt filter according to claim 1, characterized in that: The overall size of the first filter screen (6) and the second filter screen (7) is smaller than the internal size of the filter disc outer frame (2), so that the first filter screen (6) and the second filter screen (7) can be installed inside the filter disc outer frame (2).
6. A filter disc for a belt filter according to claim 1, characterized in that: The first filter screen (6) and the second filter screen (7) are both made of stainless steel sintered mesh or metal woven mesh, and the material thereof is SUS316L. The filter hole diameter of the first filter screen (6) is larger than the filter hole diameter of the second filter screen (7).