Quartz sand pickling filter cloth
By adopting a double-layer structure and a specific material quartz sand pickled filter cloth, the problems of short life and low filtration efficiency in an acidic environment are solved, and stable work and efficient filtration in an acidic environment are achieved, and production costs are reduced.
Patent Information
- Application Number
- CN202422388541.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-29
AI Technical Summary
Traditional quartz sand pickled filter cloth has a short life in an acidic environment and is not very filtration efficiency, resulting in increased production costs and unstable product quality.
Quartz sand pickled filter cloth with a double-layer structure, the inner layer is a coarser mesh structure, the outer layer is a finer mesh structure, the outer layer is woven from polyester fiber and polytetrafluoroethylene material yarn, the surface treatment is plain weave structure and silane compounds, and the inner layer is a nylon wire mesh, which improves acid resistance and filtration accuracy.
Working in an acidic environment for a long time has improved the pickling efficiency and product quality of quartz sand, reduced production costs, and facilitated cleaning and replacement.
Smart Images
Figure CN223112460U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an acid pickling filter cloth for quartz sand, belonging to the field of filtering materials. Background Art
[0002] At present, in the production process of quartz sand, acid pickling is a key step to remove impurities in quartz sand and improve its purity. The filter cloth used in the traditional acid pickling process often has a short service life due to the corrosion of acid solution, and the filtration efficiency is not high, resulting in an increase in production cost and unstable product quality. Summary of the Invention
[0003] The utility model provides an acid pickling filter cloth for quartz sand to solve the problems existing in the above-mentioned prior art. The utility model can effectively improve the efficiency of acid pickling of quartz sand and product quality, and can also reduce the production cost.
[0004] To achieve the above object, the technical solution provided by the utility model is: an acid pickling filter cloth for quartz sand, which is composed of an inner layer and an outer layer; the whole filter cloth adopts a double-layer structure. The inner layer is a coarser grid structure, and the outer layer is a finer grid structure. The inner layer is used to enhance the overall strength and stability of the filter cloth, and the outer layer is used to improve the filtration accuracy; the outer layer of the filter cloth is woven by warp and weft. The interweaving method of the warp and weft is a plain weave, and the warp and weft are interwoven alternately one up and one down; the whole filter cloth is circular, with a circular opening in the middle and a skirt on the edge. There are evenly distributed vertical groove on the skirt.
[0005] Moreover, the density of the warp of the outer layer of the filter cloth is 50 threads per 10 cm, and the density of the weft of the outer layer of the filter cloth is 40 threads per 10 cm.
[0006] Moreover, the warp of the outer layer of the filter cloth is made of polyester fiber material, and the weft of the outer layer of the filter cloth is made of polytetrafluoroethylene material.
[0007] Moreover, the surface of the outer layer of the filter cloth is treated with a silane compound, which improves the hydrophobicity and anti-fouling ability of the filter cloth.
[0008] Moreover, the inner layer of the filter cloth is composed of nylon wire mesh with a pore size of 10-50 microns, which increases the overall strength and pressure resistance of the filter cloth.
[0009] The utility model has the following advantages compared with the prior art:
[0010] (1) Since the technical solution adopted by the utility model uses yarns made of polyester fiber and polytetrafluoroethylene materials as the warp and weft, the acid resistance of the filter cloth is improved, so the utility model can work stably in an acidic environment for a long time.
[0011] (2) Since the technical solution adopted by the present utility model uses a plain weave interlacing method for weaving, the filter cloth has good air permeability and filtration accuracy. Therefore, the present utility model can effectively improve the efficiency and product quality of quartz sand pickling, and at the same time reduce production costs.
[0012] (3) Since the technical solution adopted by the present utility model uses a silane compound for surface treatment, the present utility model can reduce the adhesion of dirt on the surface of the filter cloth, facilitating cleaning and replacement. Brief Description of the Drawings
[0013] Figure 1 Structural schematic diagram of a filter cloth for pickling quartz sand;
[0014] Figure 2 Schematic diagram of the outer layer weaving arrangement of a filter cloth for pickling quartz sand.
[0015] In the figure: 1, inner layer; 2, outer layer; 3, warp; 4, weft; 5, skirt edge; 6, groove; 7, circular opening. Detailed Embodiment
[0016] The following will make a detailed and specific description of the present utility model in conjunction with the drawings and specific embodiments, but the protection scope of the present utility model is not limited to the following embodiments.
[0017] In the technical solution provided by the present utility model, a filter cloth for pickling quartz sand, as Figure 1 and Figure 2 shown, is composed of an inner layer and an outer layer; the filter cloth as a whole adopts a double-layer organizational structure, the inner layer is a coarser grid structure, and the outer layer is a finer grid structure. The inner layer is used to enhance the overall strength and stability of the filter cloth, and the outer layer is used to improve the filtration accuracy; the outer layer of the filter cloth is woven by warp and weft, and the interlacing method of the warp and weft is a plain weave, with the warp and weft interlacing alternately one above and one below; the filter cloth as a whole is circular, with a circular opening in the middle and a skirt edge around the edge, and evenly distributed vertical line grooves are provided on the skirt edge.
[0018] Moreover, the density of the warp in the outer layer of the filter cloth is 50 threads / 10 cm, and the density of the weft in the outer layer of the filter cloth is 40 threads / 10 cm.
[0019] Moreover, the warp in the outer layer of the filter cloth is made of polyester fiber material, and the weft in the outer layer of the filter cloth is made of polytetrafluoroethylene material.
[0020] Moreover, the surface of the outer layer of the filter cloth is treated with a silane compound, improving the hydrophobicity and anti-fouling ability of the filter cloth.
[0021] Moreover, the inner layer of the filter cloth is composed of a nylon wire mesh with a pore size of 10 - 50 microns, increasing the overall strength and pressure resistance of the filter cloth.
[0022] In this embodiment, the utility model uses yarns made of polyester fiber and polytetrafluoroethylene as warp and weft, improving the acid resistance of the filter cloth and enabling it to work stably in an acidic environment for a long time. The filter cloth is woven by using a plain weave pattern, which endows the filter cloth with good air permeability and filtration accuracy, effectively improving the efficiency of quartz sand pickling and the product quality, while reducing the production cost. The surface treatment with silane compounds can reduce the adhesion of dirt on the surface of the filter cloth, facilitating cleaning and replacement. During use, first lay the filter cloth flat at the bottom of the pickling tank to ensure it is flat and wrinkle-free, making the circular opening of the filter cloth correspond to the sand outlet at the bottom of the pickling tank. Then turn up the skirt at the edge of the filter cloth. The evenly distributed vertical grooves on the skirt enable the skirt to closely adhere to the wall of the pickling tank. Then press the skirt of the filter cloth tightly against the wall of the pickling tank through an annular pressing strip. Finally, fix the annular pressing strip with a wedge plate so that the annular pressing strip closely adheres to the wall of the pickling tank. Place a central pressing pipe at the center position of the filter cloth to ensure its close fit with the filter cloth, making the circular opening of the filter cloth closely fit with the sand outlet at the bottom of the pickling tank.
Claims
1. A quartz sand pickling filter cloth, which consists of an inner layer and an outer layer; characterized in that: The filter cloth as a whole adopts a double-layer structure. The inner layer is a coarser grid structure, and the outer layer is a finer grid structure. The inner layer is used to enhance the overall strength and stability of the filter cloth, and the outer layer is used to improve the filtration accuracy. The outer layer of the filter cloth is woven from warp and weft threads. The interweaving method of the warp and weft threads is a plain weave, with the warp and weft threads interweaving alternately, one up and one down. The filter cloth as a whole is circular, with a circular opening in the middle and a skirt on the edge. There are evenly distributed vertical grooves on the skirt.
2. The quartz sand pickling filter cloth according to claim 1, wherein: The density of the warp threads in the outer layer of the filter cloth is 50 threads / 10 cm, and the density of the weft threads in the outer layer of the filter cloth is 40 threads / 10 cm.
3. The quartz sand pickling filter cloth according to claim 1, characterized in that: The warp threads in the outer layer of the filter cloth are made of polyester fiber material, and the weft threads in the outer layer of the filter cloth are made of polytetrafluoroethylene material.
4. The quartz sand pickling filter cloth according to claim 1, characterized in that: The surface of the outer layer of the filter cloth is treated with a silane compound, which improves the hydrophobicity and anti-fouling ability of the filter cloth.
5. The quartz sand pickling filter cloth according to claim 1, characterized in that: The inner layer of the filter cloth is composed of a nylon wire mesh with a pore size of 10 - 50 microns, which increases the overall strength and pressure resistance of the filter cloth.