CN217247418U - Filter cloth with three-dimensional conical flow guide structure - Google Patents
Filter cloth with three-dimensional conical flow guide structure Download PDFInfo
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- CN217247418U CN217247418U CN202123135657.3U CN202123135657U CN217247418U CN 217247418 U CN217247418 U CN 217247418U CN 202123135657 U CN202123135657 U CN 202123135657U CN 217247418 U CN217247418 U CN 217247418U
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- filter cloth
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- holes
- flow guide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model provides a filter cloth with three-dimensional toper water conservancy diversion structure, this filter cloth are the non-woven fabrics, and have a plurality of orientations for the bell mouth along filter cloth thickness direction. The multiple conical holes on the filter cloth are arranged in a horizontal and vertical crossed lattice form, and are arranged at intervals in a form of penetrating and not penetrating the filter cloth in the horizontal and vertical directions, the bottom surfaces of the conical holes penetrating and not penetrating the filter cloth are both positioned on the water outlet surface of the filter cloth, the tips of the conical holes penetrating the filter cloth are positioned on the water inlet surface of the filter cloth, and the tips of the conical holes not penetrating the filter cloth face the water inlet surface of the filter cloth. The conical diversion structure is designed in the filtering direction of the filter cloth, and comprises conical holes which are arranged at intervals and penetrate through the non-woven filter cloth, so that the filter cloth forms gradually enlarged conical diversion holes on the filtering section, water and infiltrated solid particles can quickly pass through the filter cloth through the conical diversion holes, the water flux of the filter cloth is improved, and the filtering efficiency is improved.
Description
Technical Field
The utility model belongs to the filtering material field especially relates to a filter cloth with three-dimensional toper water conservancy diversion structure.
Background
In the industries of ore washing, sand washing and the like in the traditional ore dressing process, a plate filter and a belt filter are generally adopted for filtering, the core material of the filtering process is filter cloth, and the filter cloth has great influence on the efficiency and the effect of the ore washing and the sand washing. At present, the filter cloth that plate filter, belt filter adopted is weaving class filter cloth and non-woven filter cloth, and above 2 kinds of filter cloth have different shortcomings in above-mentioned operating mode is used:
1. weaving filter cloth: 1) the thread is easy to break, so that the filter cloth is damaged and fails; 2) the filter is easy to block and lose efficacy, and the service life is short; 3) the filtration flux is small;
2. nonwoven filter cloth: 1) the filtration resistance is large; 2) the filtering flux is small, and the filtering efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the filter flux of current filter cloth is little, the utility model provides a filter cloth with three-dimensional toper water conservancy diversion structure, the filter cloth is the non-woven fabrics, and has a plurality of orientations for the bell mouth along filter cloth thickness direction. The filter cloth is characterized in that the multiple conical holes in the filter cloth are arranged in a horizontal and vertical crossed lattice mode, the conical holes are arranged at intervals in a mode of penetrating through and not penetrating through the filter cloth in the horizontal and vertical directions, the bottom surfaces of the conical holes penetrating through and not penetrating through the filter cloth are both positioned on the water outlet surface of the filter cloth, the tips of the conical holes penetrating through the filter cloth are positioned on the water inlet surface of the filter cloth, and the tips of the conical holes not penetrating through the filter cloth face the water inlet surface of the filter cloth.
As the utility model discloses a further improvement of filter cloth with three-dimensional toper water conservancy diversion structure, the degree of depth of the bell mouth that does not pierce through the filter cloth is 50 ~ 80% of filter cloth thickness.
As the utility model discloses a filter cloth with three-dimensional toper water conservancy diversion structure's further improvement, the most advanced aperture of bell mouth that pierces through the filter cloth is 0 ~ 0.5 mm.
As the utility model discloses a filter cloth with three-dimensional toper water conservancy diversion structure's further improvement, the thickness of filter cloth is 2 ~ 9mm, the bottom surface diameter of bell mouth is 1 ~ 2 mm.
As the utility model discloses a filter cloth with three-dimensional toper water conservancy diversion structure's further improvement, all bell holes on the filter cloth are arranged at the equal equidistance in horizontal and vertical direction, and horizontal and vertical, the distance of two adjacent bell holes is 5 ~ 10 mm.
As the utility model discloses a further improvement of filter cloth with three-dimensional toper water conservancy diversion structure, the filter cloth is acupuncture non-woven fabrics, water thorn non-woven fabrics, glues the non-woven fabrics or melts the non-woven fabrics.
As the utility model discloses a filter cloth with three-dimensional toper water conservancy diversion structure's further improvement, the material of filter cloth is polypropylene fibre, polyamide fibre, dacron, polyphenyl thioether or polymethyl methacrylate.
As the utility model discloses a filter cloth with three-dimensional toper water conservancy diversion structure's further improvement, the filter cloth is square, the filter cloth has the edge that the melting condenses.
As the utility model discloses a further improvement of filter cloth with three-dimensional toper water conservancy diversion structure, the gram weight of filter cloth is 500 ~ 2000g/m 2 。
As the utility model discloses a filter cloth with three-dimensional toper water conservancy diversion structure's further improvement, the filter cloth is square, and its four corners all has a penetrable installation round hole.
The beneficial effects of the utility model are that: the non-woven filter cloth is not easy to break, the filter cloth is provided with a conical diversion structure in the filtering direction, and the diversion structure is provided with conical holes which are arranged at intervals and penetrate through the non-woven filter cloth or do not penetrate through the non-woven filter cloth. The water conservancy diversion structure makes the filter cloth form the toper water conservancy diversion hole of grow gradually on filtering cross-section, and when filtering, thereby water and the solid-state granule of infiltration can pass through the filter cloth fast through the toper water conservancy diversion hole fast, improve the water flux of filter cloth to reduce filtration resistance, reduce the filter cloth and block up, promote filtration efficiency and life.
Drawings
Fig. 1 is a schematic cross-sectional structure view of one embodiment of a filter cloth having a three-dimensional tapered flow guide structure.
Fig. 2 is a schematic diagram of a water inlet surface structure of one embodiment of a filter cloth with a three-dimensional conical diversion structure.
Fig. 3 is a schematic structural view of a water outlet surface of one embodiment of a filter cloth with a three-dimensional conical diversion structure.
Fig. 4 is a schematic structural view of a water inlet surface of another embodiment of a filter cloth with a three-dimensional conical flow guide structure.
Fig. 5 is a schematic diagram of a process of opening a filter cloth having a three-dimensional conical flow guide structure.
Detailed Description
The embodiments of the present invention will be explained below with reference to the drawings.
The utility model provides a filter cloth with three-dimensional toper water conservancy diversion structure, the filter cloth is the non-woven fabrics, and the non-woven fabrics is difficult for disconnected silk, and is wear-resisting durable.
As shown in fig. 1, the filter cloth 1 has a plurality of tapered holes 2 oriented in the thickness direction of the filter cloth 1. All the conical holes on the filter cloth 1 are arranged in a lattice form which is crosswise and longitudinally crossed, and the conical holes are arranged at intervals in a form which penetrates and does not penetrate through the filter cloth in the transverse direction and the longitudinal direction, namely the conical holes 2 comprise conical holes 21 which penetrate through the filter cloth and conical holes 22 which do not penetrate through the filter cloth. The bottom surfaces of the tapered holes 21 penetrating through the filter cloth and the tapered holes 22 not penetrating through the filter cloth are both positioned on the water outlet surface 12 of the filter cloth 1, the tips of the tapered holes 21 penetrating through the filter cloth are positioned on the water inlet surface 11 of the filter cloth 1, and the tips of the tapered holes 22 not penetrating through the filter cloth face the water inlet surface 11 of the filter cloth 1.
The filter cloth 1 is provided with a conical flow guide structure in the filtering direction, and the flow guide structure is provided with conical holes which are arranged at intervals and penetrate through the non-woven filter cloth or do not penetrate through the non-woven filter cloth. The water conservancy diversion structure makes the filter cloth form the toper water conservancy diversion hole that becomes gradually on filtering cross-section, and when filtering, solid-liquid composition (like sewage) passes through during 11 infiltration filter cloth 1 of the face of intaking, thereby water and the solid particle of infiltration can pass through the filter cloth 1 fast through the toper type water conservancy diversion hole fast to improve the water flux of filter cloth 1, promote filtration efficiency, and reduce filtration resistance, reduce the filter cloth and block up, promote life.
Wherein, the depth of the tapered holes 22 which do not penetrate through the filter cloth is 50-80% of the thickness of the filter cloth 1, for example, 60% or 70% to increase the water flow flux and maintain a certain structural firmness.
As shown in figure 2, the aperture of the tip of the taper hole 21 penetrating or not penetrating the filter cloth is 0-0.5 mm, which can be 0, i.e. the taper hole does not penetrate the filter cloth 1, and the aperture of the tip can be 0.1mm, 0.05mm, 0.2mm, etc., which can increase the flux and effectively filter impurities.
The thickness of the filter cloth 1 is 2-9 mm, such as 3mm, 5mm, 7mm, etc., and the depth of the tapered hole 22 which does not penetrate through the filter cloth is 50-80% of the thickness of the filter cloth 1. The diameters of the bottom surfaces of the two conical holes can be 1-2 mm, such as 1.5 mm.
As shown in fig. 3, all the tapered holes 2 on the filter cloth 1 are arranged at equal intervals in the horizontal and vertical directions, and the distance between two adjacent tapered holes 2 (the distance between the central axes of two tapered holes 2) is 5-10 mm, such as 6mm, 8mm, etc., in the horizontal and vertical directions.
The filter cloth 1 is a needle-punched non-woven fabric, a spunlace non-woven fabric, a spun-bonded non-woven fabric or a melt-blown non-woven fabric, is firm in structure and is not prone to filament breakage.
The filter cloth 1 is made of polypropylene fibers, chinlon, terylene, polyphenylene sulfide or polymethyl methacrylate, and is high-temperature resistant, corrosion resistant and long in service life.
The filter cloth 1 is square, and the filter cloth 1 is provided with a fused and condensed edge, so that the edge is prevented from being off-line, and the service life is prolonged.
The gram weight of the filter cloth 1 is 500-2000 g/m 2 E.g. 700g/m 2 、1140g/m 2 、1550g/m 2 For example, the filter cloth 1 in this grammage range has a high filtering effect and a large water flux.
The filter cloth 1 can also be formed by gluing multiple layers (two layers, three layers and the like) of polypropylene, nylon, terylene, polyphenylene sulfide or polymethyl methacrylate which are made of the same materials and are provided with tapered holes 2 together, or gluing multiple layers of polypropylene, nylon, terylene, polyphenylene sulfide or polymethyl methacrylate which are provided with tapered holes 2 together in a mixed manner, for example, one layer of polypropylene provided with tapered holes 2, one layer of nylon provided with tapered holes 2 and one layer of terylene provided with tapered holes 2 are glued together in sequence to form the filter cloth 1, and the orientations of the tapered holes 2 made of different materials in the three layers are the same.
As shown in fig. 4, the filter cloth 1 is square or rectangular, the filter cloth 1 has a fused and coagulated edge 13, which may be an edge 13 formed by fusing and re-coagulating raw materials of the filter cloth 1, such as polypropylene, nylon, terylene, polyphenylene sulfide or polymethyl methacrylate. The plane of the filter cloth 1 can also be provided with a plurality of penetrating installation round holes 14 by using a laser cutting machine, for example, four installation round holes 14 are formed at four corners of the filter cloth 1, and in another embodiment, eight installation round holes 14 can be formed at one filter cloth 1, except that one installation round hole 14 is formed at each of four corners of the filter cloth 1, two installation round holes 14 are formed in the middle of two parallel long edges, so as to meet the requirements of butting the plate frames of the plate frame filter press. The tapered hole 2 is hidden in fig. 4.
The filter cloth 1 of the present invention is not limited to the square or rectangular shape, and the filter cloth 1 may be processed into any shape, may be provided in a shape corresponding to the shape of a plate-and-frame filter press, or may be processed into a belt filter cloth or the like.
The manufacturing method of the filter cloth 1 with the three-dimensional conical diversion structure can be as follows: the non-woven filter cloth 1 is consolidated and formed by non-woven processes such as needling, spunlace or spun bonding, as shown in fig. 5, then a pair of upper press roller A and lower press roller B are used for punching and perforating, wherein the upper press roller A is cylindrical, the lower press roller B is a heating roller with conical felting needles with two heights, a heating rod C is arranged in the lower press roller B, the conical felting needles on the surface of the lower press roller B comprise high conical felting needles D and short conical felting needles E, the temperature of the heating roller is set to be 20 ℃ higher than the melting point temperature of the material of the filter cloth 1, when the filter cloth 1 passes through the space between the upper press roller A and the lower press roller B, three-dimensional conical holes 2 are formed in the thickness direction of the filter cloth 1, the high conical felting needles D penetrate the filter cloth 1, the short conical felting needles E penetrate the filter cloth 1 but do not penetrate the filter cloth 1, the high and low conical holes are formed by heating and melting of the conical pricks, after the conical pricks leave the conical holes, the filter cloth around the conical holes is cooled and shaped, a filter cloth 1 having tapered holes 21 penetrating the filter cloth and tapered holes 22 not penetrating the filter cloth is obtained.
The above embodiments are merely exemplary to illustrate the technical solution of the present invention, and not to limit the scope of the claimed invention, and for those skilled in the art, modifications or equivalent replacements are made to the above embodiments, and those modifications or improvements made without departing from the spirit of the present invention all belong to the scope of the claimed invention.
Claims (10)
1. The utility model provides a filter cloth with three-dimensional toper water conservancy diversion structure which characterized in that: the filter cloth is non-woven fabric and is provided with a plurality of conical holes with the directions along the thickness direction of the filter cloth; the filter cloth is characterized in that the multiple conical holes in the filter cloth are arranged in a horizontal and vertical crossed lattice mode, the conical holes are arranged at intervals in a mode of penetrating through and not penetrating through the filter cloth in the horizontal and vertical directions, the bottom surfaces of the conical holes penetrating through and not penetrating through the filter cloth are both positioned on the water outlet surface of the filter cloth, the tips of the conical holes penetrating through the filter cloth are positioned on the water inlet surface of the filter cloth, and the tips of the conical holes not penetrating through the filter cloth face the water inlet surface of the filter cloth.
2. The filter cloth with the three-dimensional conical flow guide structure according to claim 1, wherein: the depth of the tapered hole which does not penetrate through the filter cloth is 50-80% of the thickness of the filter cloth.
3. The filter cloth with the three-dimensional conical flow guide structure according to claim 1, wherein: the aperture of the tip of the conical hole penetrating through the filter cloth is 0-0.5 mm.
4. The filter cloth with the three-dimensional conical flow guide structure according to claim 1, wherein: the thickness of the filter cloth is 2-9 mm, and the diameter of the bottom surface of the conical hole is 1-2 mm.
5. The filter cloth with the three-dimensional conical flow guide structure according to any one of claims 1 to 4, wherein: all the conical holes in the filter cloth are arranged at equal intervals in the transverse and longitudinal directions, and the distance between every two adjacent conical holes is 5-10 mm in the transverse and longitudinal directions.
6. The filter cloth with the three-dimensional conical flow guide structure according to claim 1, wherein: the filter cloth is needle-punched non-woven fabric, spunlace non-woven fabric, spun-bonded non-woven fabric or melt-blown non-woven fabric.
7. The filter cloth with the three-dimensional conical flow guide structure according to claim 1, wherein: the filter cloth is made of polypropylene fibers, chinlon, terylene, polyphenylene sulfide or polymethyl methacrylate.
8. The filter cloth with the three-dimensional conical flow guide structure according to claim 7, wherein: the filter cloth is square and is provided with a fused and condensed edge.
9. The filter cloth with the three-dimensional conical flow guide structure according to claim 1, wherein: the gram weight of the filter cloth is 500-2000 g/m 2 。
10. The filter cloth with the three-dimensional conical flow guide structure according to claim 1, wherein: the filter cloth is square, and four corners of the filter cloth are provided with penetrating mounting round holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123135657.3U CN217247418U (en) | 2021-12-14 | 2021-12-14 | Filter cloth with three-dimensional conical flow guide structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123135657.3U CN217247418U (en) | 2021-12-14 | 2021-12-14 | Filter cloth with three-dimensional conical flow guide structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217247418U true CN217247418U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123135657.3U Active CN217247418U (en) | 2021-12-14 | 2021-12-14 | Filter cloth with three-dimensional conical flow guide structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217247418U (en) |
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2021
- 2021-12-14 CN CN202123135657.3U patent/CN217247418U/en active Active
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