CN112791509A - Preparation method of metal stranded wire filter screen - Google Patents
Preparation method of metal stranded wire filter screen Download PDFInfo
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- CN112791509A CN112791509A CN202110004278.6A CN202110004278A CN112791509A CN 112791509 A CN112791509 A CN 112791509A CN 202110004278 A CN202110004278 A CN 202110004278A CN 112791509 A CN112791509 A CN 112791509A
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- filter screen
- metal
- plied
- stranded wire
- wire filter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/10—Filter screens essentially made of metal
- B01D39/12—Filter screens essentially made of metal of wire gauze; of knitted wire; of expanded metal
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Woven Fabrics (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a preparation method of a metal plied wire filter screen, which comprises the steps of selecting plied wires twisted and plied by 2-7 metal wires as plied wire mesh warps, selecting single metal wires or plied wires twisted and plied by 2-7 metal wires as plied wire mesh wefts, and carrying out inspection one by one on a light inspection table to ensure that the requirements of wire mesh weaving standards are met; weaving through a weaving machine to obtain a plied yarn filter screen; and finally, leveling on a leveling machine to ensure that the flatness is controlled within 5 per thousand, so as to obtain the metal twisted wire filter screen. The invention relates to a preparation method of a metal stranded wire filter screen, which solves the problems that under the working conditions of high-frequency back flushing and corrosivity in the prior art, a multi-layer metal sintering screen is easy to corrode the screen surface and break and damage.
Description
Technical Field
The invention relates to the field of material processing and manufacturing, in particular to a preparation method of a metal stranded wire filter screen.
Background
The conventional multilayer metal net is generally formed by vacuum sintering after being pressed by special lamination, is a novel filtering material with higher mechanical strength and overall rigidity, has the characteristics of high strength, good rigidity, stable mesh shape and the like, but is very easy to generate the phenomenon of corrosion, fracture and damage of a net surface under the working conditions of high-frequency back flushing and corrosivity, pollutes a filtering and downstream system and causes the parking of the device.
Disclosure of Invention
The invention aims to provide a preparation method of a metal stranded wire filter screen, which solves the problems that a multilayer metal sintered screen is easy to corrode and break the screen surface under the working conditions of high-frequency back flushing and corrosivity in the prior art.
The technical scheme adopted by the invention is a preparation method of a metal stranded wire filter screen, which is implemented according to the following steps:
step 1, selecting 2-7 metal wires to be twisted and plied into plied wires, and inspecting the plied wires one by one on a lamp inspection table to ensure that the requirements of silk screen weaving standards are met;
step 2, weaving single metal wires or plied wires serving as wefts and the plied wires with the warps through a weaving machine to obtain a plied wire filter screen;
and 3, carrying out flattening treatment on the folded strand filter screen on a flattening machine, and ensuring that the flatness is controlled within 5 per mill to obtain the metal folded strand filter screen.
The technical scheme of the invention is also characterized in that:
the monofilament diameter of the metal stranded wire filter screen is 0.05-0.3 mm.
The material of the metal stranded wire filter screen comprises any one of stainless steel, nickel-based alloy, hastelloy, titanium, aluminum-plated steel wires and zinc-plated steel wires.
The filtering precision of the metal twisted wire filter screen is not lower than 20 mu m.
When the metal stranded wire filter screen is processed into a filter element for back flushing, the length direction is set to be thick stranded wire.
The metal twisted wire filter screen has 1 or more billows meanders in a single mesh.
The invention has the beneficial effects that:
the preparation method of the metal stranded wire filter screen solves the problems that under the working conditions of high-frequency back flushing and corrosivity, a multi-layer metal sintering screen is easy to corrode the screen surface and break and damage, and ensures that a filter system runs stably and efficiently for a long period; according to the preparation method of the metal stranded wire filter screen, when the metal stranded wire is used for weaving the filter screen, the process links such as rolling, sintering and the like are not needed, the crystal grains of the material have no growth problem, and due to the excellent flexibility, the dust is easy to remove when the dust is removed by instantaneous blasting, the energy consumption is low, and the preparation method is particularly suitable for the working conditions of high-frequency back-flushing liquid-solid and gas-solid separation; the preparation method of the metal stranded wire filter screen has the advantages that the metal stranded wire has excellent corrosion resistance, and can be widely applied to purification and separation links in the fields of chemical industry, metallurgy, clean energy and the like.
Drawings
FIG. 1 is a scanning electron microscope image of a metal stranded wire filter screen according to the present invention;
fig. 2 is a real object diagram of a metal twisted wire filter screen according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a preparation method of a metal stranded wire filter screen, which is implemented according to the following steps:
step 1, selecting 2-7 metal wires to be twisted and plied into plied wires, and inspecting the plied wires one by one on a lamp inspection table to ensure that the requirements of silk screen weaving standards are met;
step 2, weaving single metal wires or plied wires serving as wefts and the plied wires with the warps through a weaving machine to obtain a plied wire filter screen;
and 3, carrying out flattening treatment on the folded strand filter screen on a flattening machine, and ensuring that the flatness is controlled within 5 per mill to obtain the metal folded strand filter screen.
Preferably, the monofilament diameter of the metal stranded wire filter screen is 0.05-0.3 mm.
Preferably, the material of the metal stranded wire filter screen comprises any one of stainless steel, nickel-based alloy, hastelloy, titanium, an aluminum-plated steel wire and a zinc-plated steel wire.
Preferably, the filtering precision of the metal stranded wire filtering net is not lower than 20 μm.
Preferably, when the metal stranded wire filter screen is processed into a filter element for back blowing, the length direction is set to be thick stranded wire. When the metal twisted wire filter screen is processed into a filter element, the specification is phi 50 multiplied by 1000mm, air flow is reversely blown from inside to outside, thick twisted wires are arranged in the length direction, and the purpose is to improve the reverse blowing resistance of the twisted wire filter element.
Preferably, the metal folded strand wire filter screen has 1 or more billow-shaped bends in a single mesh, and can be machined by plate shearing, pipe coiling, welding and the like.
Example 1
The invention relates to a preparation method of a metal stranded wire filter screen, which is implemented according to the following steps:
step 1, selecting 3 nickel-based alloy wires with the thickness of 0.05mm to be twisted into one strand as a twisted silk screen weft, selecting 5 nickel-based alloy wires with the thickness of 0.08mm to be twisted into one strand as a twisted silk screen warp, and inspecting the twisted silk screen weft and the twisted silk screen warp on a light inspection table one by one to ensure that the requirements of silk screen weaving standards are met;
step 2, weaving the twisted silk screen weft and the twisted silk screen warp by a weaving machine to obtain a twisted silk screen;
and 3, flattening the woven twisted wire filter screen on a flattening machine to ensure that the flatness is controlled within 5 per thousand, so as to obtain the 25-micron nickel-based alloy twisted wire filter screen.
The first bubble point pressure of a 25 mu m nickel-based alloy stranded wire filter screen is 1150Pa and the air permeability is 4550m3/m2h.kPa, tensile strength 163 MPa.
Example 2
The invention relates to a preparation method of a metal stranded wire filter screen, which is implemented according to the following steps:
step 1, selecting 1 0.2mm galvanized iron wire as a plied wire mesh weft, selecting 3 0.15mm galvanized iron wires to be twisted into one strand as a plied wire mesh warp, and inspecting the plied wire mesh weft and the plied wire mesh warp on a light inspection table one by one to ensure that the wire mesh weaving standard requirement is met;
step 2, weaving the twisted silk screen weft and the twisted silk screen warp by a weaving machine to obtain a twisted silk screen;
and 3, flattening the woven twisted yarn filter screen on a flattening machine to ensure that the flatness is controlled within 5 per thousand, so as to obtain the 150-micrometer galvanized twisted yarn filter screen.
The first bubble point pressure of the 150 mu m galvanized twisted wire filter screen is tested to be 180Pa, and the air permeability is tested to be 11800m3/m2h.kPa, tensile strength 132 MPa.
Example 3
The invention relates to a preparation method of a metal stranded wire filter screen, which is implemented according to the following steps:
step 1, selecting 3 aluminum-plated steel wires with the thickness of 0.1mm, twisting the aluminum-plated steel wires into one strand to serve as a stranding wire mesh weft, selecting 5 aluminum-plated steel wires with the thickness of 0.15mm, twisting the aluminum-plated steel wires into one strand to serve as a stranding wire mesh warp, and inspecting the stranding wire mesh weft and the stranding wire mesh warp on a light inspection table one by one to ensure that the requirements of wire mesh weaving standards are met;
step 2, weaving the twisted silk screen weft and the twisted silk screen warp by a weaving machine to obtain a twisted silk screen;
and 3, flattening the woven plied yarn filter screen on a flattening machine to ensure that the flatness is controlled within 5 per thousand, so as to obtain the 100-micrometer aluminum-plated plied yarn filter screen.
The first bubble point pressure of 100 mu m aluminum-plated folded strand wire filter screen is 270Pa through inspection, and the air permeability is 9830m3/m2h.kPa, tensile strength 145 MPa.
Example 4
The invention relates to a preparation method of a metal stranded wire filter screen, which is implemented according to the following steps:
step 1, selecting 7 stainless steel wires with the diameter of 0.08mm and twisting the stainless steel wires into one strand as a stranded wire mesh weft, selecting 5 stainless steel wires with the diameter of 0.1mm and twisting the stainless steel wires into one strand as a stranded wire mesh warp, and inspecting the stranded wire mesh weft and the stranded wire mesh warp on a light inspection table one by one to ensure that the requirements of wire mesh weaving standards are met;
step 2, weaving the twisted silk screen weft and the twisted silk screen warp by a weaving machine to obtain a twisted silk screen;
and 3, flattening the woven plied yarn filter screen on a flattening machine to ensure that the flatness is controlled within 5 per thousand, thus obtaining the 50 mu m stainless steel plied yarn filter screen.
The first bubble point pressure of the 50 mu m stainless steel strand wire filter screen is 560Pa through inspection, and the air permeability is 7000m3/m2h.kPa, tensile strength 245 MPa.
FIG. 1 is a scanning electron microscope image of a metal stranded wire filter screen according to the present invention; fig. 2 is a real object diagram of a metal twisted wire filter screen according to the present invention.
As can be seen from fig. 1 and 2, the filter screen prepared by the metal stranded wire has the characteristics of good reproducibility, high strength, large elasticity, corrosion resistance and the like, and can be widely applied to the purification and separation links in the fields of chemical industry, metallurgy, clean energy and the like.
Claims (6)
1. The preparation method of the metal stranded wire filter screen is characterized by comprising the following steps:
step 1, selecting 2-7 metal wires to be twisted and plied into plied wires, and inspecting the plied wires one by one on a lamp inspection table to ensure that the requirements of silk screen weaving standards are met;
step 2, weaving single metal wires or plied wires serving as wefts and the plied wires with the warps through a weaving machine to obtain a plied wire filter screen;
and 3, flattening the stranded wire filter screen on a flattening machine to ensure that the flatness is controlled within 5 per mill, thus obtaining the metal stranded wire filter screen.
2. The method for preparing the metal stranded wire filter screen according to claim 1, wherein the monofilament diameter of the metal stranded wire filter screen is 0.05-0.3 mm.
3. The method for manufacturing the metal stranded wire filter screen according to claim 2, wherein the material of the metal stranded wire filter screen comprises any one of stainless steel, nickel-based alloy, hastelloy, titanium, aluminum-plated steel wire and galvanized iron wire.
4. The method for preparing the metal stranded wire filter screen according to claim 1, wherein the filtering precision of the metal stranded wire filter screen is not less than 20 μm.
5. The method for preparing the metal stranded wire filter screen according to claim 1, wherein the length direction of the metal stranded wire filter screen is set as thick stranded wires when the metal stranded wire filter screen is processed into a filter element for back flushing.
6. The method for manufacturing a filtering net of metal alloy strand wire as claimed in claim 1, wherein there are 1 or more billows meanders in a single mesh of the filtering net of metal alloy strand wire.
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CN202110004278.6A CN112791509A (en) | 2021-01-04 | 2021-01-04 | Preparation method of metal stranded wire filter screen |
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CN202110004278.6A CN112791509A (en) | 2021-01-04 | 2021-01-04 | Preparation method of metal stranded wire filter screen |
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Citations (14)
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GB191507469A (en) * | 1914-05-25 | 1916-05-18 | Ernest John Sweetland | Improvements relating to Filter Mediums. |
GB341020A (en) * | 1928-10-11 | 1931-01-02 | Tario Yonekura | Improvements in wire cloth for use in paper-manufacturing machines |
GB481294A (en) * | 1936-03-23 | 1938-03-09 | Eastwood Nealley Corp | Woven wire belts for paper making machines |
CN201179386Y (en) * | 2007-08-14 | 2009-01-14 | 新乡市巴山精密滤材有限公司 | Woven wire cloth |
CN201978602U (en) * | 2011-02-25 | 2011-09-21 | 新乡市巴山精密滤材有限公司 | Metal wire weaving screen |
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CN103599666A (en) * | 2013-11-26 | 2014-02-26 | 无锡格莱德科技有限公司 | Multifunctional separating filter screen |
EP2896728A1 (en) * | 2014-01-17 | 2015-07-22 | Klaus Bloch | Filter fabric |
CN205549741U (en) * | 2016-03-28 | 2016-09-07 | 浙江锦运再生资源股份有限公司 | A water circulation device for shaking table sieve separator |
CN205549733U (en) * | 2016-03-28 | 2016-09-07 | 浙江锦运再生资源股份有限公司 | A water circulation device for shaking table sieve separator |
CN206168084U (en) * | 2016-06-01 | 2017-05-17 | 浙江东大滤料有限公司 | Novel filter cloth |
CN108031188A (en) * | 2017-12-20 | 2018-05-15 | 四会市华通金属筛网制品有限公司 | A kind of water strainer |
CN207745616U (en) * | 2017-12-07 | 2018-08-21 | 新乡市天诚航空净化设备有限公司 | A kind of Optimization-type metal wire microgroove mesh grid |
CN210448369U (en) * | 2019-05-13 | 2020-05-05 | 烟台星禾过滤科技有限公司 | High-stiffness multifilament filter cloth |
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2021
- 2021-01-04 CN CN202110004278.6A patent/CN112791509A/en active Pending
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
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GB191507469A (en) * | 1914-05-25 | 1916-05-18 | Ernest John Sweetland | Improvements relating to Filter Mediums. |
GB341020A (en) * | 1928-10-11 | 1931-01-02 | Tario Yonekura | Improvements in wire cloth for use in paper-manufacturing machines |
GB481294A (en) * | 1936-03-23 | 1938-03-09 | Eastwood Nealley Corp | Woven wire belts for paper making machines |
CN201179386Y (en) * | 2007-08-14 | 2009-01-14 | 新乡市巴山精密滤材有限公司 | Woven wire cloth |
WO2012102520A2 (en) * | 2011-01-26 | 2012-08-02 | 주식회사 아모그린텍 | Metal wire having dual structure, preparation method thereof, ply yarn and doubling and twisting method using same, and cloth prepared using ply yarn |
CN201978602U (en) * | 2011-02-25 | 2011-09-21 | 新乡市巴山精密滤材有限公司 | Metal wire weaving screen |
CN103599666A (en) * | 2013-11-26 | 2014-02-26 | 无锡格莱德科技有限公司 | Multifunctional separating filter screen |
EP2896728A1 (en) * | 2014-01-17 | 2015-07-22 | Klaus Bloch | Filter fabric |
CN205549741U (en) * | 2016-03-28 | 2016-09-07 | 浙江锦运再生资源股份有限公司 | A water circulation device for shaking table sieve separator |
CN205549733U (en) * | 2016-03-28 | 2016-09-07 | 浙江锦运再生资源股份有限公司 | A water circulation device for shaking table sieve separator |
CN206168084U (en) * | 2016-06-01 | 2017-05-17 | 浙江东大滤料有限公司 | Novel filter cloth |
CN207745616U (en) * | 2017-12-07 | 2018-08-21 | 新乡市天诚航空净化设备有限公司 | A kind of Optimization-type metal wire microgroove mesh grid |
CN108031188A (en) * | 2017-12-20 | 2018-05-15 | 四会市华通金属筛网制品有限公司 | A kind of water strainer |
CN210448369U (en) * | 2019-05-13 | 2020-05-05 | 烟台星禾过滤科技有限公司 | High-stiffness multifilament filter cloth |
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