A filter cloth cleaning device of a vacuum belt filter
Patent Information
- Application Number
- CN202522201294.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-17
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-10-17
AI Technical Summary
在纤维毡的生产中，采用真空带式过滤机对成型的纤维毡进行清洗过滤，需要耗费大量的水及时间来清洗滤布上的纤维残渣，清洗效果不好，过滤时常常出现滤布堵塞、透液性不好的情况
1、装置在清洗槽的前方和引出滤布的第一导向辊处均设置有毛刷，将滤布在水洗前进行了初步的扫尘，还能清理掉第一导向辊上的残留纤维毛，避免堆积的残留再次污染洗净的滤布，既节约了用水量，又保证了滤布的清洗效果。
Smart Images
Figure CN224777555U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of filtration equipment technology, specifically relating to a filter cloth cleaning device for a vacuum belt filter. Background Technology
[0002] Vacuum belt filters are highly efficient solid-liquid separation devices. They create a vacuum of 0.04-0.07 MPa using a vacuum pump, achieving continuous horizontal filtration through the combination of material gravity and vacuum suction. During operation, the filter cloth is typically cleaned with water to prevent clogging and maintain filtration efficiency. However, in the production of fiber felt, using a vacuum belt filter to clean and filter the formed fiber felt requires a significant amount of water and time to remove fiber residue from the filter cloth. This often results in poor cleaning effectiveness, leading to filter cloth clogging and reduced liquid permeability. Summary of the Invention
[0003] To address the aforementioned technical problems, this utility model provides a filter cloth cleaning device for a vacuum belt filter, which enhances the filter cloth cleaning capability and reduces the amount of water used for cleaning.
[0004] To achieve the objective of this utility model, the technical solution adopted by this utility model is as follows: A filter cloth cleaning device for a vacuum belt filter includes a filter cloth transmission mechanism and a cleaning tank. The transmission mechanism includes a pair of upper transmission rollers disposed above and a lower transmission roller assembly disposed below. The lower transmission roller assembly includes a front transmission roller and a rear transmission roller arranged sequentially in the conveying direction. The front transmission roller is located in the cleaning tank. A first guide roller is disposed above and behind the cleaning tank. A second guide roller is disposed below and behind the first guide roller. The second guide roller is at the same height as the rear transmission roller. A first brush is disposed in front of the cleaning tank to abut against the filter cloth. A second brush is disposed below and abuts against the first guide roller.
[0005] In this invention, a collection box for receiving residue is provided below both the first and second brushes.
[0006] The first and second brushes of this invention are both H-shaped aluminum alloy strip brushes.
[0007] Preferably, the H-shaped aluminum alloy strip brush is the same length as the front drive roller and the first guide roller.
[0008] The beneficial effects of this utility model are as follows: 1. The device is equipped with brushes at the front of the cleaning tank and at the first guide roller where the filter cloth is led out. The brushes perform preliminary dust removal on the filter cloth before water washing and can also remove residual fibers on the first guide roller, preventing the accumulated residue from re-contaminating the cleaned filter cloth. This saves water and ensures the cleaning effect of the filter cloth.
[0009] 2. The device uses H-shaped aluminum alloy strip brushes. The brushes will not damage the filter cloth when they come into contact with it. The H-shaped double groove structure forms a double dustproof barrier. The brushes have high density and good slag removal effect. Attached Figure Description
[0010] Figure 1 This is a schematic diagram of the filter cloth cleaning device for the vacuum belt filter of this utility model.
[0011] Figure 2 This is a schematic diagram of the filter cloth cleaning device for the vacuum belt filter in Example 2.
[0012] Reference numerals: 1. Filter cloth; 2. Upper drive roller; 3. Front drive roller; 4. Rear drive roller; 5. First guide roller; 6. Second guide roller; 7. Washing tank; 8. First brush; 9. Second brush; 10. Collection box. Detailed Implementation
[0013] To more clearly and in detail illustrate the purpose and technical solution of this utility model, the present utility model will be further described below through relevant embodiments. The following embodiments are merely illustrative of the implementation methods of this utility model and do not limit the scope of protection of this utility model. Example 1
[0014] like Figure 1 As shown, a filter cloth cleaning device for a vacuum belt filter includes a transmission mechanism for the filter cloth 1 and a cleaning tank 7. The transmission mechanism includes a pair of upper transmission rollers 2 disposed above and a lower transmission roller assembly disposed below. The lower transmission roller assembly includes a front transmission roller 3 and a rear transmission roller 4 arranged sequentially in the conveying direction. The front transmission roller 3 is located in the cleaning tank 7. A first guide roller 5 is disposed above and behind the cleaning tank 7. A second guide roller 6 is disposed below and behind the first guide roller 5. The second guide roller 6 is at the same height as the rear transmission roller 4. A first brush 8 is disposed in front of the cleaning tank 7 to abut against the filter cloth 1. A second brush 9 is disposed below and abuts against the first guide roller 5.
[0015] The filter cloth 1 circulates under the drive of the transmission mechanism. After passing the upper transmission roller 2, the filter cloth 1 passes through the lower front transmission roller 3 and the rear transmission roller 4 in sequence. The front transmission roller 3 is located in the cleaning tank 7. The filter cloth 1 is first brushed off the fiber residue on the floating surface by the first brush 8 in front, and then enters the cleaning tank 7 for further cleaning. After cleaning, it is carried upward out of the cleaning tank 7 by the first guide roller 5, and then carried downward back to the same level as the rear transmission roller 4 by the second guide roller 6. The first guide roller 5 also has residual fibers stuck on it, which are brushed off by the lower second brush 9, further ensuring the cleanliness of the filter cloth 1. The brushed-off fiber residue falls to the ground and can be swept up. Example 2
[0016] This embodiment is based on embodiment 1: Both the first brush 8 and the second brush 9 are provided with a collection box 10 for receiving residue, which facilitates the collection of the residue that falls down. Example 3
[0017] Both the first brush 8 and the second brush 9 are H-shaped aluminum alloy strip brushes. The brushes do not damage the filter cloth when they come into contact with it. The H-shaped double-groove structure forms a double dust barrier, and the high brush density results in good slag removal.
[0018] The H-shaped aluminum alloy strip brush is the same length as the front drive roller 3 and the first guide roller 5.
[0019] The connection methods not mentioned in this utility model are conventional connection methods such as welding, threaded connection, riveting, snap-fit, and bonding.
[0020] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.
Claims
1. A filter cloth cleaning device for a vacuum belt filter, comprising a filter cloth transmission mechanism and a cleaning tank, characterized in that: The transmission mechanism includes a pair of upper transmission rollers disposed above and a lower transmission roller assembly disposed below. The lower transmission roller assembly includes a front transmission roller and a rear transmission roller arranged sequentially in the conveying direction. The front transmission roller is located inside the cleaning tank. A first guide roller is disposed above and behind the cleaning tank. A second guide roller is disposed below and behind the first guide roller. The second guide roller is at the same height as the rear transmission roller. A first brush that abuts against the filter cloth is disposed in front of the cleaning tank. A second brush that abuts against the first guide roller is disposed below the first guide roller.
2. The filter cloth cleaning device for the vacuum belt filter according to claim 1, characterized in that: Both the first and second brushes are provided with a collection box for receiving residue.
3. The filter cloth cleaning device for the vacuum belt filter according to claim 1, characterized in that: Both the first and second brushes are H-shaped aluminum alloy strip brushes.
4. The filter cloth cleaning device for the vacuum belt filter according to claim 3, characterized in that: The H-shaped aluminum alloy strip brush is the same length as the front drive roller and the first guide roller.