CN104492163B - A kind of industrial waste gas filtering material and its manufacture method - Google Patents
A kind of industrial waste gas filtering material and its manufacture method Download PDFInfo
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- CN104492163B CN104492163B CN201410785312.8A CN201410785312A CN104492163B CN 104492163 B CN104492163 B CN 104492163B CN 201410785312 A CN201410785312 A CN 201410785312A CN 104492163 B CN104492163 B CN 104492163B
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Abstract
The invention discloses a kind of industrial waste gas filtering material and its manufacture method, the filtering material includes：The basic unit of the bottom, basic unit up sets up netted filtering layer, superfine fibre layer and film layer B successively, the basic unit is made into three-dimensional netted tissue using metal or nonmetallic materials using woven or knitting technology, netted filtering layer is woven using natural fiber or knitting forms, the superfine fibre layer is made through nonwovens process or weaving, and its pore size successively decreases successively from the bottom up, the film layer B is processed into using bubble spinning technique or coating processing technology, and film layer B aperture less than superfine fibre layer minimum-value aperture.Through the above way, the present invention can comprehensively remove the harmful substance in industrial waste gas, and the harmful substance in waste gas is reduced into minimum level, not only protect natural environment, also enable that the heat in waste gas is more fully utilized, and save resource.
Description
Technical field
The present invention relates to industrial waste gas filtration art, more particularly to a kind of industrial waste gas filtering material and its manufacturer
Method.
Background technology
Not only temperature is high for the waste gas that the various industrial furnaces of the industry such as metallurgy, machinery, chemical industry, electric power are emitted, and
And also substantial amounts of dust and pernicious gas, it is one of the principal element for causing environmental pollution.Under hot conditions, because waste gas is viscous
Stagnant power has large change, and temperature declines to a great extent, and fine particles coacervation is greatly lowered, so the separation to particulate has compared with disaster
Degree.And fiber bag precipitator can not bear the high temperature of waste gas, wet scrubber can not make full use of the heat energy in waste gas, cause money
The waste in source, electrostatic precipitator exists again once invests high, and floor space is big and the problem of the aspect such as insulation.
At present, the processing method of China's hot industry dust-laden exhaust gas is mostly, by water condensation, temperature to be reduced into 200 and is taken the photograph
Family name's degree or so, then sack cleaner dedusting is used, investment and dedusting expense this not only adds condensing plant are also caused substantial amounts of
Thermal loss, is unfavorable for reusing for resource.
The main energy sources of most of country (especially China) are still coal in the world, and the burning of coal to be high temperature contain
The main source of dirt waste gas, the need for expanding economy and environmental protection, new high-temp waste gas dedusting technology is to be badly in need of exploitation
Important topic.
The content of the invention
The present invention solves the technical problem of a kind of industrial waste gas filtering material of offer and its manufacture method, Neng Gouquan
Harmful substance in face ground removal industrial waste gas, minimum level is reduced to by the harmful substance in waste gas, not only protects nature
Environment, also enables that the heat in waste gas is more fully utilized, and has saved resource.
In order to solve the above technical problems, one aspect of the present invention is：A kind of industrial waste gas filter material is provided
Material, including：The basic unit of the bottom, basic unit up sets up netted filtering layer, superfine fibre layer and film layer B, the base successively
Layer is made into three-dimensional netted tissue using metal or nonmetallic materials using woven or knitting technology, and the netted filtering layer uses day
Right fiber it is woven or it is knitting form, the superfine fibre layer is made through nonwovens process or weaving, and its aperture
Magnitude range is 0.1 nanometer~1000 microns, and pore size successively decreases successively from the bottom up, and the film layer B uses bubble spinning
Technique or coating processing technology are processed into, and film layer B aperture less than superfine fibre layer minimum-value aperture.
Preferably, activated carbon is additionally provided with netted filtering layer, the activated carbon is by flaxen fiber or bamboo fibre
It is made, for improving filter effect, metallic fiber can be suitably added in the yarn of woven mesh filter layer, for reduces or disappearing
Except particulate matter is in adsorption process, the electrostatic phenomenon produced by the collision of particulate matter.
Preferably, it is provided with one layer between the basic unit and netted filtering layer and between netted filtering layer and superfine fibre layer
Or the thickness range of multi-layer thin film layer A, the film layer A is 0.1~2 micron, film layer A using electrostatic spinning technique or
Person's coating technology is made, and when the number of plies of film layer A is multilayer, its pore size is sequentially reduced from the bottom up.
Preferably, the upper and lower surface in the filtering material is provided with bound edge tissue E or the left and right sides is provided with bound edge group
The institutional framework for knitting F, the bound edge tissue E or bound edge tissue F is：It is plain weave, twill, satin weave, alternative construction, united organization, multiple
It is charge-coupled knit in one kind, above-mentioned bound edge tissue E or bound edge tissue F be used for fixed by other auxiliary equipments, reduce product
Loss in looping or fixation procedure, using the bound edge tissue of low price, can reduce final product price.
Preferably, also penetrated through in the filtering material and be provided with nano level wire, can not only fix each layer material
Material, can also reduce the electrostatic that waste gas is produced during adsorbed because of the high velocity impact of particulate matter.
The invention also discloses a kind of for manufacturing a kind of manufacture of industrial waste gas filtering material as claimed in claim 1
Method, comprises the following steps：
(1), it is made into three-dimensional netted setup action basic unit using woven or knitting technology using metal or nonmetallic materials；
(2) natural fiber, is woven into netted filtering layer using woven or knitting technology, and activated carbon is filled to net
In shape filter layer；
(3) one layer or multi-layer thin film layer A is adhered in basic unit using hot rolling technique, will be netted using hot rolling technique
Filter layer is adhered on film layer A；
(4) hot rolling technique, is reused to adhere on netted filtering layer one layer or multi-layer thin film layer A；
(5) superfine fibre layer, is made using nonwovens process or weaving, and by high pressure draught in gas pressure
The fibrous material in this layer is mutually tangled when 1.0~50kpa, 1.0~50 liters/min of gas flow rate, and then plays fixed
Effect；
(6) superfine fibre layer is adhered on film layer A using hot rolling technique,；
(7) film layer B, is processed into using bubble spinning technique or coating processing technology, by hot rolling technique by film
Layer B is adhered on superfine fibre layer；
(8) bound edge tissue E, is made in the upper and lower surface of whole filtering material using wrapping process, or is entirely being filtered
The left and right sides of material is made bound edge tissue F.
(9) whole filtering material is penetrated with nano level wire,.
Preferably, the process conditions of the hot rolling technique are：30~500 DEG C of tack temperature, 0.1~10kpa of nip pressure
With speed of production 0.1mm~1000m/min.
Preferably, the thickness of the film layer B is 0.1~2 micron, and the number of plies of film layer B is one layer or multilayer, when
When the number of plies is multilayer, its pore size successively decreases successively from lower to upper, improves filter effect.
The beneficial effects of the invention are as follows：1st, using the combination of multiple filtration structure, in comprehensively eliminating industrial waste gas
Harmful substance, minimum level is reduced to by the harmful substance in waste gas, not only protects natural environment, also causes the heat in waste gas
Amount can more fully be utilized, and save resource；2nd, using bound edge tissue enable whole filtering material more convenient
Fixed by other auxiliary equipments, reduce loss of the product in looping or fixation procedure, using the bound edge tissue of low price, can
To reduce final product price；3rd, also penetrated through in the filtering material and be provided with nano level wire, can not only fixed
Firmly layers of material, can also reduce the electrostatic that waste gas is produced during adsorbed because of the high velocity impact of particulate matter.
Brief description of the drawings
Fig. 1 is the knot of filtering material in a kind of industrial waste gas filtering material of the invention and its preferred embodiment of manufacture method one
Structure schematic diagram；
Fig. 2 is the knot of filtering material in a kind of shown industrial waste gas filtering material and its another preferred embodiment of manufacture method
Structure schematic diagram；
The mark of each part is as follows in accompanying drawing：1st, basic unit, 2, netted filtering layer, 3, film layer A, 4, superfine fibre layer, 5,
Film layer B, 6, bound edge tissue E, 7, bound edge tissue F, 8, activated carbon.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Fig. 1 is referred to, the embodiment of the present invention one includes：
A kind of industrial waste gas filtering material, including：The basic unit 1 of the bottom, basic unit 1 up sets up netted filtering layer successively
2nd, 4 and film layer B5 of superfine fibre layer, the basic unit 1 is made into three using metal or nonmetallic materials using woven or knitting technology
Dimension desmachyme, netted filtering layer 2 using natural fiber it is woven or it is knitting form, in netted filtering layer 2 also
Activated carbon 8 is provided with, the activated carbon 8 is made up of flaxen fiber or bamboo fibre, for improving filter effect, the superfine fibre layer
4 are made through nonwovens process or weaving, and the fineness of superfine fibre layer 4 is 0.13~0.3 denier, pore size scope
It is 0.1 nanometer~1000 microns, and its pore size successively decreases successively from the bottom up, the film layer B5 uses bubble spinning technique
(process conditions：5~80kv of electrostatic potential, the mm/min of extrusion speed 0.01 millimeter~10, aperture size 0.1 nanometer~5000
Micron, spout are to 1.0 millimeters~50 centimetres of baffle plate distance) or coating processing technology be processed into, coating layer thickness 0.1 micron~1
Millimeter, and film layer B5 aperture less than superfine fibre layer 4 minimum-value aperture, the basic unit 1 and netted filtering layer 2 between and
One layer or multi-layer thin film layer A3, the thickness range of the film layer A are provided between netted filtering layer 2 and superfine fibre layer 4
It it is 0.1~2 micron, film layer A3 is made using electrostatic spinning technique or coating technology, when the number of plies of film layer A3
During for multilayer, its pore size is sequentially reduced from the bottom up, the upper and lower surface of the filtering material be provided with bound edge tissue E6 or
The institutional framework that the person left and right sides is provided with bound edge tissue F7, the bound edge tissue E6 or bound edge tissue F7 is：Plain weave, twill,
One kind in satin weave, alternative construction, united organization, complex tissue, above two bound edge tissue is used to be consolidated by other auxiliary equipments
It is fixed firmly to be also penetrated through in the filtering material and be provided with nano level wire, layers of material can be not only fixed, can also drop
The electrostatic that low waste gas is produced during adsorbed because of the high velocity impact of particulate matter.
Wherein, the raw material of basic unit 1 is：Stainless steel fibre, silver fiber, copper fiber, carbon steel fiber, cast fiber, nickel fiber,
Aludirome fiber, high temperature alloy fiber, glass fibre, boron fibre, carbon fiber, silicon carbide fibre, silicon oxide fibre, oxidation
Aluminum fiber, silicon nitride fiber, cotton, fiber crops (ramie, flax, hemp, jute, bluish dogbane, Pueraria lobota fiber crops, sisal hemp etc.), silk, hair, terylene, brocade
One kind or several in synthetic fibre, polyvinyl, aramid fiber, spandex, acrylic fibers, polyvinyl chloride fibre, viscose glue, tencel, soybean fiber, liquid crystal polyarylate fiber
Kind.
Its preparation method comprises the following steps：
(1), it is made into three-dimensional netted setup action basic unit 1 using woven or knitting technology using metal or nonmetallic materials；
(2), using woven or knitting technology by natural fiber be woven into netted filtering layer 2, and by activated carbon fill to
In netted filtering layer 2；
(3) one layer or multi-layer thin film layer A3 is adhered in basic unit 1 using hot rolling technique, using hot rolling technique by net
Shape filter layer 2 is adhered on film layer A3；
(4) hot rolling technique, is reused to adhere on netted filtering layer 2 one layer or multi-layer thin film layer A3；
(5) superfine fibre layer 4, is made using nonwovens process or weaving, and by high pressure draught in gas pressure
The fibrous material in this layer is mutually tangled when 1.0~50kpa, 1.0~50 liters/min of gas flow rate, and then plays fixed
Effect；
(6) superfine fibre layer 4 is adhered on film layer A3 using hot rolling technique,；
(7) film layer B5, is processed into using bubble spinning technique or coating processing technology, by hot rolling technique by film
Layer B5 is adhered on superfine fibre layer 4；
(8) bound edge tissue E6, is made in the upper and lower surface of whole filtering material using wrapping process, or is entirely being filtered
The left and right sides of material is made bound edge tissue F7.
(9) whole filtering material is penetrated with nano level wire,.
The process conditions of the hot rolling technique are：30~500 DEG C of tack temperature, 0.1~10kpa of nip pressure and production speed
Degree 0.1mm~1000m/min.
Wherein, the thickness of film layer B5 is 0.1~2 micron, and the number of plies of film layer B5 is one layer or multilayer, works as the number of plies
During for multilayer, its pore size successively decrease successively from lower to upper film B5 use：Bidirectional stretching polypropylene film, low density polyethylene (LDPE)
Film, polyester film, nylon film, cast polypropylene film, metallized film etc..
In the present invention, woven use gripper shuttle loom, rapier loom, air-jet loom, water-jet loom, dobby machine, jacquard weave are knitted
One kind in machine；Knitting use weft machine, tricot machine, single bed knit machine, double needle bed machine, flatbed knitting machine, round pin
One kind in loom, crochet hook machine, latch needles machine, compound needle machine.
And nonwovens process is：Dry-laying, it is carded to net, air lay, mechanical consolidation, needle point method, loop bonding method, jet
Spray net method, chemical adhesion, saturation infusion process, foam impregnation method, spraying, Decal, heat bonding, hot melt, Hot rolling, wet method
Into net, cylinder into net, inclined wire into net, chemical adhesion method, heat viscosity method, extruded polymer into net, filature fleece formation, chemical adhesion
Method, heat viscosity method, needle point method, melt blown webbing, self-adhesion are legal, heat viscosity method etc., film are cleaved into net, heat viscosity method, needle point method
It is a kind of.
It is embodiments of the invention two such as Fig. 2, embodiment two is essentially identical with preparation method with the structure of embodiment one,
The difference of the two is：(1), the netted filtering layer 2 of embodiment two is interior and is not provided with activated carbon 8；(2), not in netted filtering
The materials such as wire are added in layer 2.So design advantage be：In the premise of the filter effect for somewhat reducing whole filtering material
Under, production cost is reduced, simplify manufacture craft.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (5)
1. a kind of industrial waste gas filtering material, it is characterised in that including：The basic unit of the bottom, basic unit up sets up net successively
Shape filter layer, superfine fibre layer and film layer B, the basic unit is knitted using metal or nonmetallic materials using woven or knitting technology
Into three-dimensional netted tissue, netted filtering layer using natural fiber it is woven or it is knitting form, the superfine fibre layer is through non-
Weaving process or weaving are made, and its pore size scope is 0.1 nanometer~1000 microns, and pore size is from lower past
On successively decrease successively, the film layer B is processed into using coating processing technology, and film layer B aperture less than superfine fibre layer
Minimum-value aperture；
Activated carbon is additionally provided with netted filtering layer, the activated carbon is made up of flaxen fiber or bamboo fibre；
One layer or multi-layer thin are provided between the basic unit and netted filtering layer and between netted filtering layer and superfine fibre layer
The thickness range of film layer A, the film layer A is 0.1~2 micron；
The upper and lower surface of the filtering material is provided with bound edge tissue E or the left and right sides is provided with bound edge tissue F, the filtering material
Inside also penetrate through and be provided with nano level wire；
The filtering material preparation method comprises the following steps：
(1), it is made into three-dimensional netted setup action basic unit using woven or knitting technology using metal or nonmetallic materials；
(2) natural fiber, is woven into netted filtering layer using woven or knitting technology, and activated carbon is filled to netted mistake
In filtering layer；
(3) one layer or multi-layer thin film layer A is adhered in basic unit using hot rolling technique, using hot rolling technique by netted filtering
Layer is adhered on film layer A；
(4) hot rolling technique, is reused to adhere on netted filtering layer one layer or multi-layer thin film layer A；
(5), make superfine fibre layer using nonwovens process or weaving, and by high pressure draught gas pressure 1.0~
The fibrous material in this layer is mutually tangled when 50kpa, 1.0~50 liters/min of gas flow rate, and then plays fixed effect；
(6) superfine fibre layer is adhered on film layer A using hot rolling technique,；
(7) film layer B, is processed into using coating processing technology, film layer B is adhered to by superfine fibre layer by hot rolling technique
On；
(8) bound edge tissue E, is made in the upper and lower surface of whole filtering material using wrapping process, or in whole filtering material
The left and right sides be made bound edge tissue F；
(9) whole filtering material is penetrated with nano level wire,.
2. a kind of industrial waste gas filtering material according to claim 1, it is characterised in that the film layer A utilizes electrostatic
Spining technology or coating technology are made.
3. a kind of industrial waste gas filtering material according to claim 1, it is characterised in that when the number of plies of film layer A is many
During layer, its pore size is sequentially reduced from the bottom up.
4. a kind of industrial waste gas filtering material according to claim 1, it is characterised in that the bound edge tissue E or bound edge
Organize F institutional framework be：One kind in plain weave, twill, satin weave, alternative construction, united organization, complex tissue.
5. a kind of manufacture method of industrial waste gas filtering material according to claim 1, it is characterised in that the hot rolling skill
The process conditions of art are：30~500 DEG C of tack temperature, 0.1~10kpa of nip pressure and speed of production 0.1mm~1000m/
min。
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| CN105032038B (en) * | 2015-08-25 | 2017-05-10 | 福建福联精编有限公司 | Integral type warp-knitted spacer fabric sterilization and filtering material and preparation method thereof |
| CN105113117B (en) * | 2015-09-18 | 2018-04-06 | 南京九思高科技有限公司 | A kind of antistatic flow-guiding screen and its preparation method and application |
| CN109893910A (en) * | 2017-12-08 | 2019-06-18 | 江苏赛尔亚环保科技有限公司 | A kind of deodorizing device high-performance filtrate |
| CN108159781A (en) * | 2017-12-26 | 2018-06-15 | 东华大学 | A kind of three-dimensional structure filtration fabrics and preparation method thereof |
| CN109572123A (en) * | 2018-11-16 | 2019-04-05 | 江苏恒生环保科技有限公司 | Woven knitting composite construction based high-temp-resistant environmental protection filtrate of one kind and preparation method thereof |
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Effective date of registration: 20181229 Address after: 224412 No. 8 Industrial Park of Banhu Town, Funing County, Yancheng City, Jiangsu Province Patentee after: JIANGSU XI YANGYANG ENVIRONMENTAL PROTECTION EQUIPMENT SCIENCE AND TECHNOLOGY CO., LTD. Address before: 224051 Jianjun road 211, Ting Hu District, Yancheng City, Jiangsu Patentee before: Yangcheng Institute of Technology |