CN104109943A - Chenille warp-knitted spacer fabric for high-temperature air filtering - Google Patents
Chenille warp-knitted spacer fabric for high-temperature air filtering Download PDFInfo
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- CN104109943A CN104109943A CN201410293807.9A CN201410293807A CN104109943A CN 104109943 A CN104109943 A CN 104109943A CN 201410293807 A CN201410293807 A CN 201410293807A CN 104109943 A CN104109943 A CN 104109943A
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- knitted spacer
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Abstract
The invention discloses chenille warp-knitted spacer fabric for high-temperature air filtering. The chenille warp-knitted spacer fabric is three-dimensional chenille warp-knitted spacer fabric made of chenille yarn. The three-dimensional chenille warp-knitted spacer fabric comprises surface layers and a middle layer. The middle layer is involved in knitting of the upper surface layer and the lower surface layer. The upper surface layer and the lower surface layer are connected through the middle layer. Compared with the prior art, the chenille warp-knitted spacer fabric has the following advantages that the chenille warp-knitted spacer fabric is of a three-dimensional spatial structure, strength is high, heat dissipation and breathability are good, the anti-mildew and mothproof purpose is achieved, and the unique characteristics of restraining growth of bacteria and effectively blocking penetration of ultraviolet rays are achieved; the chenille warp-knitted spacer fabric is breathable, environmentally friendly, light, high in supporting force, good in resilience, capable of being applied to the fields of air filtering and purifying and the like and being used for replacing a traditional filtering material for air filtering and purifying and the like.
Description
Technical field
The present invention relates to a kind of warp-knitted spacer fabric, be specifically related to a kind of high temperature air and filter with snow Neil warp-knitted spacer fabric.
Background technology
Its heart yearn of chenille yarn of the prior art is to take acrylic yarn to form as raw material twisting, and camlet is to take spun rayon short plumage forms as raw material cuts into, and is widely used in house and spins and knitwear field.Adopt the common woven fabric of chenille yarn generally to get its decorative effect, its comfortableness aspect is poor more.Be rarely used in air filtration purposes.
China experienced " coal-smoke pollution " that the industrial revolution of 18th century brings and 19th century oil and auto industry " photochemical pollution " that bring afterwards, modern just experiencing take " serious PM2.5 type haze air environmental pollution " with Chinese characteristics be the 3rd pollution period indicating.The residing living environment of people is more and more severe now, and endless industrial discharged waste gas, the vehicle exhaust being seen everywhere have caused day by day serious air pollution.Haze weather, PM2.5 warn air-polluting to people and have a strong impact on.Industrialized process is increasingly strict to the demand of air cleaner, as dust proof workshops such as medical treatment, health, food, chemical industry, electronics, and clean room, laboratory and toilet, or dustproof for electric mechanical communication equipment etc.
Air cleaner is generally divided into just imitates the models such as air cleaner, middle effect air cleaner, high efficiency particle air filter and inferior high-efficient air filter.Filtering material has nonwoven fabric, nylon wire, activated carbon filtration cotton, metal hole pattern etc., and protection network has two-sided plastic-blasting wire netting and double side zinc coating wire netting.Inexpensive, lightweight, versatility is good, compact conformation.Filter material selects generally all will to consider resistance and the use problem of air cleaner, in case airborne suspended particle impacts to clean area, and guarantees filter service life.
Particulate in air removal technology mainly contains mechanical filter, absorption, electrostatic precipitation, anion and plasma method and the filtration of static electret etc.Mechanical filter is general mainly catches particulate by following 3 kinds of modes: directly interception, and inertial collision, Blang's diffusion mechanism, it is to fine particle thing collecting effect is good but windage is large, and in order to obtain high purification efficiency, filter core needs fine and close and regularly replaces.Absorption is to utilize the high surface area of material and loose structure to catch particulate pollutant, is easy to stop up, more remarkable for gas pollutant removal effect; Thereby electrostatic precipitation is to utilize high-voltage electrostatic field to make gas ionization make dust particles be adsorbed onto the collecting method on electrode, though its windage is little, to larger particles and fiber trapping weak effect, can cause electric discharge, and cleaning trouble is time-consuming, easily produce ozone, form secondary pollution.The operation principle that anion and plasma method are removed indoor particle pollutant is similar, all by making airborne particle charged, coalescent formation larger particles and sedimentation, but in fact particle does not remove, on near surface being just attached to, easily cause airborne dust again.Static electret filters that to take 3M " high efficiency electrostatic airstrainer " be representative, adopt the breakthrough permanent static filter material that carries, effectively intercept in air and be greater than the particulate pollutant of 0.1 micron, as dust, soft flocks, pollen, bacterium etc., super-low impedance is guaranteed air-conditioning stable operation and refrigeration simultaneously.In addition, longer service life is guaranteed in the design of degree of depth appearance dirt.At family and on-board air conditioner (as above vapour, masses, the famous brand name situation of selling well vehicle such as general) and some commercial building fields (as Bird's Nest, the Beijing Hotel, three phases of the Capital Airport), be used widely.Traditional standard filter media can be removed 10 microns of above particles very effectively.When the particle diameter of particle is except to 5 microns, 2 microns even during the scope of sub-micron, mechanical type filtration system will become more expensive efficiently, and windage can significantly increase.By static electret air filting material, filter, can with lower energy resource consumption, reach very high capture rate, have the advantage of the low windage of electrostatic precipitation simultaneously concurrently, but the voltage without external volts up to ten thousand, therefore can not produce ozone, and because it consists of polypropylene material, easily abandon processing.Such filtrate is more useful to low temperature contaminated air, and due to the restriction of fibrous material self, higher than the contaminated air environment of 130 degree, such material can not be used.
Terylene needled felt has more the filtering material of the efficient material of advanced function.General flue-gas temperature, not higher than 150 ℃, can select the flexible filter materials such as terylene needle punched non-woven fabrics, but industrial temperature is higher than more than 150 ℃, as chemical industry, carbon black tail gas, blast furnace coal gas, vertical cellar for storing things, cement plant tail gas, calcium carbide factory's cellar for storing things furnace exhaust gas, casting, steel-making flue gas, bituminous concrete stirs bitumen flue gas, coking flue gas, flue gas during smelting etc. are selected aramid fibre filter bag.The one, because these exhaust gas dusts are because being subject to be not suitable for the electricity collection of gathering dust than resistance limits, can only adopt cloth bag collection; The 2nd, as ash-laden gas temperature being down to below 150 ℃, investing higher or limited by place; The 3rd, because include the composition of sulphur in dust flue gas temperature, tool acid dew point, ash-laden gas can only carry out the factors such as isolated by filtration under the higher situation of the above temperature of acid dew point.
Fiberglass needled mat, can be widely used in chemical industry, iron and steel, metallurgy, carbon black, generating, the filtering high-temperature flue gas of the various industrial furnaces such as cement.Be applicable to the various sack cleaners such as pulse dust cleaning and higher speed reverse gas cleaning.Fiberglass needled mat is a kind of rational in infrastructure, the fire resistant filter material of better performances.It is high temperature resistant that it not only has Woven glass cloth, corrosion-resistant, dimensionally stable, and elongation shrinkage factor is minimum, the advantage that intensity is high, and carpet veneer fiber holds filament, three-dimensional micropore structure, porosity is high, little to gas filtration resistance, be a kind of higher speed, efficient high-temperature-resistant filtering material.Compare with other high temperature resistant chemical fibre felt, there is price low, the more high special benefits of heatproof.But its running resistance will be higher than general chemical fibre high-temperature filter material, and filtering accuracy is lower slightly.
For high temperature contaminated air, " the thin composite filtering material of micropore " is the current air filting material in specific environment practicality." the thin composite filtering material of micropore " is to be raw material through polytetrafluoroethylene (PTFE), is puffed to a kind of film with microporosity, and this film is compounded on various fabrics or paper substrates with special process, becomes a kind of novel " the thin composite filtering material of micropore ".This is a kind of desirable filtering material, it has the splendid chemical stability of the intrinsic performance of polytetrafluoroethylene (PTFE), extremely smooth, the extremely low sassafras coefficient that rubs in surface, high-low temperature resistant, can not aging, durable consumer goods use, and it also has microporosity, gas permeability and hydrophobicity.But such filtrate is due to the problem of material itself, and air drag is huge, and price is high, has limited it and applied.
Summary of the invention
For the problem that filter materials running resistance is higher, filter efficiency is lower existing in prior art, the invention provides a kind of high temperature air filters with snow Neil warp-knitted spacer fabric, make it in normal temperature or high temperature contaminated air filter process, not only can reduce filtration resistance, and improve air filtration filter effect.
For achieving the above object, the present invention is by the following technical solutions:
High temperature air filters with a snow Neil warp-knitted spacer fabric, and it is the 3 D stereo snow Neil warp-knitted spacer fabric of being prepared by chenille yarn, and described 3 D stereo snow Neil warp-knitted spacer fabric comprises top layer and intermediate layer.
Described top layer comprises upper epidermis and lower top layer, and described intermediate layer participates in the woollen yarn knitting on upper epidermis and lower top layer, and described upper epidermis is connected by intermediate layer with lower top layer, and the thickness of 3 D stereo snow Neil warp-knitted spacer fabric is 2mm ~ 600mm.
Described top layer is made into by chenille yarn, and intermediate layer employing diameter is that the chenille yarn between 0.06mm-20mm is made into, and supports the top layer of warp-knitted spacer fabric to ensure enough support forces.
Described intermediate layer is cross one another X structure or the structure that is parallel to each other.
Described top layer is mesh-structured or planar structure.
Described chenille yarn is high temperature resistant chenille yarn, wherein the heart yarn material of high temperature resistant chenille yarn is one or more the mixing in quartz glass fibre, polyamide-imide fiber, polyetheretherketonefiber fiber, polyphenylene sulfide fibre, polysulfones base nylon, polyparaphenylene's benzo-dioxazole fiber, polybenzimidazole fiber, polytetrafluoroethylene fibre, polyimide fiber, aramid fiber and basalt, and the fiber surface of one of them has the coating of thermoplasticity, thermosetting melten gel; The material of high temperature resistant chenille yarn camlet is one or more the mixed yarn in basalt fibre or basalt fibre and quartz glass fibre, resurrection glass fibre, alumina silicate fibre, polyamide-imide fiber, polyetheretherketonefiber fiber, polyphenylene sulfide fibre, polysulfones base nylon, polyparaphenylene's benzo-dioxazole fiber, polybenzimidazole fiber, polytetrafluoroethylene fibre, polyimide fiber, aramid fiber, and the fiber surface of one of them has the coating of thermoplasticity, thermosetting melten gel.
In described chenille yarn, the fineness of heart yarn is 0.01-100Nm, and the twisting twist of this heart yarn is 10-1000 twist/m.
In described chenille yarn, the fineness of camlet is 0.01-100Nm, and the axial density of this camlet is 10-10000 root/cm.
Compared with prior art, the present invention has the following advantages: 1. avenge Neil warp-knitted spacer fabric and have three-D space structure, powerful large, radiate heat and ventilate is good, anti-mildew is mothproof, and unique bacteria growing inhibiting and efficiently intercept the characteristic that ultraviolet ray penetrates; 2. acupuncture filter cloth and the filter bag of relatively same density, lightweight, and filter effect is high, and resistance is little, and its performance is that the air filting material that tradition utilizes glass fibre, chemical fibre to make for raw material can not be compared; 3. this snow Neil warp-knitted spacer fabric have ventilative, environmental protection, the feature such as quality is light, and the strong and resilience of support force is good, can be applied in the fields such as air filtration and purification, and filter and purification filtering material for substituting conventional air.
The specific embodiment
embodiment 1
The present embodiment high temperature air filters with snow Neil warp-knitted spacer fabric, it is the 3 D stereo snow Neil warp-knitted spacer fabric of being prepared by chenille yarn, its thickness is 2mm, described 3 D stereo snow Neil warp-knitted spacer fabric comprises top layer and intermediate layer, described top layer comprises mesh-structured upper epidermis and the lower top layer that the chenille yarn prepared by superfine fibre is made into, described intermediate layer is that the chenille yarn of 2mm is made into by containing diameter, described intermediate layer is cross one another X structure, intermediate layer participates in the woollen yarn knitting on upper epidermis and lower top layer, thereby make to interconnect between upper epidermis and lower top layer.
In the present embodiment, chenille yarn is high temperature resistant chenille yarn, and the material of this chenille yarn heart yarn is aramid fiber, and its fineness is that 100Nm, the twisting twist are 1000 twists/m, and the surface of heart yarn is coated with thermoplastic epoxy coating by spraying coating process; The material of its camlet is polyparaphenylene's benzo-dioxazole fiber, and the fineness of this camlet is that the axial density of 100Nm, camlet is 10000/cm, and the surface of this camlet is coated with thermoplastic epoxy coating.Warp-knitted spacer fabric is woven on warp knitting machine to 1.87 meters of fabric widths, vertical close: 22.4cpc is (on machine: 22.0 cpc); Horizontal close: 37wpi; Grammes per square metre: 230.3 g/m
2snow Neil warp-knitted spacer fabric, the power plant contaminated air that is applied to 210 degree filters.
embodiment 2
The present embodiment high temperature air filters with snow Neil warp-knitted spacer fabric, it is the 3 D stereo snow Neil warp-knitted spacer fabric of being prepared by chenille yarn, its thickness is 150mm, described 3 D stereo snow Neil warp-knitted spacer fabric comprises top layer and intermediate layer, described top layer comprises mesh-structured upper epidermis and the lower top layer being made into by chenille yarn, described intermediate layer is that the chenille yarn of 5mm is made into by containing diameter, described intermediate layer is the structure being parallel to each other, intermediate layer participates in the woollen yarn knitting on upper epidermis and lower top layer, thereby makes to interconnect between upper epidermis and lower top layer.
In the present embodiment, chenille yarn is high temperature resistant chenille yarn, the material of this chenille yarn heart yarn is the mixed yarn of polytetrafluoroethylene fibre and polyimide fiber, its fineness is that 0.1Nm, the twisting twist are 10 twists/m, and the surface of heart yarn is coated with thermoplastic epoxy coating by spraying coating process; The material of its camlet is polyimide fiber and the mixing of aramid fiber, and the fineness of this camlet is that the axial density of 0.1Nm, camlet is 10/cm, and the surface of this camlet is coated with thermoplastic epoxy coating.Warp-knitted spacer fabric is woven on warp knitting machine to 2 meters of fabric widths, vertical close: 22.4cpc is (on machine: 22.0 cpc); Horizontal close: 37wpi; Grammes per square metre: 230.3 g/m
2snow Neil warp-knitted spacer fabric, be applied to contaminated air below 110 degree and filter.
embodiment 3
The present embodiment high temperature air filters with snow Neil warp-knitted spacer fabric, it is the 3 D stereo snow Neil warp-knitted spacer fabric of being prepared by chenille yarn, its thickness is 320mm, described 3 D stereo snow Neil warp-knitted spacer fabric comprises top layer and intermediate layer, described top layer comprises mesh-structured upper epidermis and the lower top layer being made into by chenille yarn, described intermediate layer is that the chenille yarn of 9mm is made into by containing diameter, described intermediate layer is cross one another X structure, intermediate layer participates in the woollen yarn knitting on upper epidermis and lower top layer, thereby makes to interconnect between upper epidermis and lower top layer.
In the present embodiment, chenille yarn is high temperature resistant chenille yarn, the material of this chenille yarn heart yarn is polyparaphenylene's benzo-dioxazole fiber and basaltic mixed yarn, its fineness is that 30Nm, the twisting twist are 600 twists/m, and the surface of heart yarn is coated with thermoplastic epoxy coating by spraying coating process; The material of its camlet is the mixed yarn of resurrection glass fibre and alumina silicate fibre, and the fineness of this camlet is that the axial density of 50Nm, camlet is 2600/cm, and the surface of this camlet is coated with thermoplastic epoxy coating.Warp-knitted spacer fabric is woven on warp knitting machine to 1.87 meters of fabric widths, vertical close: 22.4cpc is (on machine: 22.0 cpc); Horizontal close: 37wpi; Grammes per square metre: 230.3 g/m
2snow Neil warp-knitted spacer fabric, be applied to contaminated air below 210 degree and filter.
embodiment 4
The present embodiment high temperature air filters with snow Neil warp-knitted spacer fabric, it is the 3 D stereo snow Neil warp-knitted spacer fabric of being prepared by chenille yarn, its thickness is 600mm, described 3 D stereo snow Neil warp-knitted spacer fabric comprises top layer and intermediate layer, described top layer comprises mesh-structured upper epidermis and the lower top layer that basalt fibre chenille yarn is made into, described intermediate layer is that the basalt fibre chenille yarn of 10mm is made into by containing diameter, described intermediate layer is cross one another X structure, intermediate layer participates in the woollen yarn knitting on upper epidermis and lower top layer, thereby make to interconnect between upper epidermis and lower top layer.
In the present embodiment, chenille yarn is high temperature resistant chenille yarn, the material of this is high temperature resistant chenille yarn heart yarn is quartz glass fibre, its fineness is that 24Nm, the twisting twist are 590 twists/m, and the surface of heart yarn is coated with thermoplastic epoxy coating by spraying coating process; The material of its camlet is basalt fibre, and the fineness of this camlet is that the axial density of 21 Nm, camlet is 390/cm, and the surface of this camlet is coated with thermoplastic epoxy coating.Chenille Yarns linear diameter 10mm, take basalt chenille yarn as intermediate supports yarn, and basalt chenille yarn is superficial layer yarn, is woven into 1.87 meters of fabric widths on warp-knitted spacer fabric warp knitting machine, vertical close: 22.4cpc is (on machine: 22.0 cpc); Horizontal close: 37wpi; Grammes per square metre: the snow Neil warp-knitted spacer fabric of 250.3 g/m2, the power plant contaminated air that is applied to 310 degree filters.
embodiment 5
The present embodiment high temperature air filters with snow Neil warp-knitted spacer fabric, it is the 3 D stereo snow Neil warp-knitted spacer fabric of being prepared by chenille yarn, its thickness is 450mm, described 3 D stereo snow Neil warp-knitted spacer fabric comprises top layer and intermediate layer, described top layer comprises mesh-structured upper epidermis and the lower top layer that the chenille yarn prepared by superfine fibre is made into, described intermediate layer is that the chenille yarn of 20mm is made into by containing diameter, described intermediate layer is cross one another X structure, intermediate layer participates in the woollen yarn knitting on upper epidermis and lower top layer, thereby make to interconnect between upper epidermis and lower top layer.
In the present embodiment, chenille yarn is high temperature resistant chenille yarn, the material of this is high temperature resistant chenille yarn heart yarn is polytetrafluoroethylene fibre, its fineness is that 55Nm, the twisting twist are 450 twists/m, and the surface of heart yarn is coated with thermoplastic epoxy coating by spraying coating process; The material of its camlet is the mixed yarn of polyparaphenylene's benzo-dioxazole fibre peacekeeping aramid fiber, and the fineness of this camlet is that the axial density of 50 Nm, camlet is 4500/cm, and the surface of this camlet is coated with thermoplastic epoxy coating.Warp-knitted spacer fabric is woven on warp knitting machine to 1.87 meters of fabric widths, vertical close: 22.4cpc is (on machine: 22.0 cpc); Horizontal close: 37wpi; Grammes per square metre: 230.3 g/m
2snow Neil warp-knitted spacer fabric, the power plant contaminated air that is applied to 310 degree filters.
In addition; it should be noted that; patent person of ordinary skill in the field of the present invention can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from the structure of patent of the present invention or surmount this scope as defined in the claims, all should belong to the protection domain of patent of the present invention.
Claims (8)
1. high temperature air filters with a snow Neil warp-knitted spacer fabric, it is characterized in that: it is the 3 D stereo snow Neil warp-knitted spacer fabric of being prepared by chenille yarn, and described 3 D stereo snow Neil warp-knitted spacer fabric comprises top layer and intermediate layer; Described intermediate layer participates in the woollen yarn knitting on upper epidermis and lower top layer, and described upper epidermis is connected by intermediate layer with lower top layer.
2. high temperature air as claimed in claim 1 filters with snow Neil warp-knitted spacer fabric, it is characterized in that: the thickness of described 3 D stereo snow Neil warp-knitted spacer fabric is 2mm ~ 600mm.
3. high temperature air as claimed in claim 1 filters with snow Neil warp-knitted spacer fabric, it is characterized in that: described top layer is made into by chenille yarn, and described intermediate layer employing diameter is that the chenille yarn between 0.06mm-20mm is made into.
4. high temperature air as claimed in claim 1 filters with snow Neil warp-knitted spacer fabric, it is characterized in that: the structure in described intermediate layer is cross one another X structure or the structure that is parallel to each other.
5. high temperature air as claimed in claim 1 filters with snow Neil warp-knitted spacer fabric, it is characterized in that: described top layer is mesh-structured or planar structure.
6. high temperature air as claimed in claim 1 filters with snow Neil warp-knitted spacer fabric, it is characterized in that: described chenille yarn is high temperature resistant chenille yarn.
7. high temperature air as claimed in claim 1 filters with snow Neil warp-knitted spacer fabric, it is characterized in that: in described chenille yarn, the fineness of heart yarn is 0.01-100Nm, and the twisting twist of this heart yarn is 10-1000 twist/m.
8. the high temperature air as described in as arbitrary in claim 1-7 filters with snow Neil warp-knitted spacer fabric, it is characterized in that: in described chenille yarn, the fineness of camlet is 0.01-100Nm, and the axial density of this camlet is 10-10000 root/cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293807.9A CN104109943A (en) | 2014-06-27 | 2014-06-27 | Chenille warp-knitted spacer fabric for high-temperature air filtering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293807.9A CN104109943A (en) | 2014-06-27 | 2014-06-27 | Chenille warp-knitted spacer fabric for high-temperature air filtering |
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| CN104109943A true CN104109943A (en) | 2014-10-22 |
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| CN201410293807.9A Pending CN104109943A (en) | 2014-06-27 | 2014-06-27 | Chenille warp-knitted spacer fabric for high-temperature air filtering |
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| CN105220349A (en) * | 2015-11-03 | 2016-01-06 | 江苏聚杰微纤纺织科技集团有限公司 | A kind of functional superfine fibre is through compiling haze screen window fabric and preparation method thereof |
| CN106609410A (en) * | 2015-10-26 | 2017-05-03 | 吴江耀迪纺织品有限公司 | Chenille fabric capable of PM2.5 purification |
| CN112267206A (en) * | 2020-10-27 | 2021-01-26 | 江南大学 | Preparation method of ultra-large gauge warp-knitted spacer fabric |
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| CN112267206B (en) * | 2020-10-27 | 2022-04-15 | 江南大学 | Preparation method of super-large-gauge warp-knitted spacer fabric, application of super-large-gauge warp-knitted spacer fabric and inflatable cushion |
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Application publication date: 20141022 |
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