CN101644164A - Coal mine air cylinder and manufacturing method thereof - Google Patents
Coal mine air cylinder and manufacturing method thereof Download PDFInfo
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- CN101644164A CN101644164A CN200910101573A CN200910101573A CN101644164A CN 101644164 A CN101644164 A CN 101644164A CN 200910101573 A CN200910101573 A CN 200910101573A CN 200910101573 A CN200910101573 A CN 200910101573A CN 101644164 A CN101644164 A CN 101644164A
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Abstract
The invention relates to a coal mine air cylinder which comprises gridding base cloth and a PVC calendered coating covered on the base cloth, wherein the PVC calendered coating is coated with antistatic agent, and the gridding base cloth is spun by taking twisting polyester fiber filament yarn as warp and weft; the PVC calendered coating comprises the components based on the parts by weight: 100 parts of SG-70 resin, 73-112 parts of plasticizer, 8-12 parts of inorganic fire retardant, 60-65 parts of inorganic filler, 0.2-1 part of anti-aging agent, 0.1 part of antiseptic, 20-25 parts of pigment and 6-12 parts of coupling agent. The coal mine air cylinder has the advantages of good abrasive resistance, tear resistance, light weight, water resistance, pollution and mould prevention, inflaming retarding, good antistatic effect, ageing resistance, long service life and single-width formation.
Description
Technical field
The present invention relates to a kind of colliery air duct, especially relate to the antistatic whole air duct of a kind of underground mine use single width moulding high-strength fire-retarding.
Background technology
At present China's coal-mine is to be base cloth with the fiberglass fiber fabric with whole air duct, makes rubber through the rubber calendering and forms with surperficial French chalk processing.Existing colliery exists low easily the blowing open of intensity to leak out with air duct, and fire-retardant, antistatic behaviour, flexibility are not better, and be heavy, there is French chalk to pollute, easily aging, cold-resistant, heat resistance is bad, the narrow spicing forming type that needs of face, processing technology thereof is simple, through defectives such as, latitude breaking strength are not up to standard.
Summary of the invention
In order to solve existing colliery with the problem that air duct exists, an object of the present invention is to disclose that a kind of abrasion resistance is strong, big through the broadwise tearing strength, antistatic property good, the life-span is long, colliery air duct that can the single width moulding.The free of contamination above-mentioned colliery preparation method of air duct when an object of the present invention is to disclose a kind of production.
In order to reach the foregoing invention purpose, the present invention has adopted following technical proposals:
A kind of colliery air duct comprises grid base cloth and the multiple PVC calendered film of film on base cloth, scribbles antistatic additive on the PVC calendered film; The polyster fibre long filament is done warp to described grid base cloth, parallel is weaved and formed by twisting; Described PVC calendered film comprises that by weight following component makes:
100 parts of SG-70 resins, plasticizing agent 73-112 part, inorganic combustion inhibitor 8-12 part, inorganic filler 60-65 part, age resister 0.2-1 part, 0.1 part of antibacterial mildew inhibitor, colorant 20-25 part, coupling agent 6-12 part.
As preferably, plasticizing agent is: adjacent benzene class plasticizing agent 45-50 part, and its plasticizing efficiency and all better with the compatibility performance of PVC has guaranteed the long-term stability of product; Tricresyl phosphate ester plasticizer 10-20 part has good flame retardation effect, the characteristics that compatibility is good; Cationic plasticizing agent 8-12 part, cold resistant plasticizer 8-25 part can obviously be improved the cryogenic property of goods, makes the product can be under-30 ℃ of cryogenic conditions, and under 150 ℃ of hot conditions, material is not clamminess, and has stable excellent temperature resistance ageing ability; Epoxy plasticiser 2-5 part, epoxy plasticizer has increased the weather resistance of material greatly.
As preferably, described PVC calendered film comprises that by weight following component makes: 100 parts of SG-70 resins, 47 parts in adjacent benzene class plasticizing agent, 15 parts of tricresyl phosphate ester plasticizers, 10 parts in cationic plasticizing agent, 15 parts of cold resistant plasticizer, 2.5 parts of epoxy plasticisers, 8 parts of inorganic combustion inhibitors, 60 parts of inorganic fillers, 0.2 part of age resister, 0.1 part of antibacterial mildew inhibitor, 20 parts in colorant, 8 parts of coupling agents.
As preferably, described grid base cloth is to adopt the ultralow contraction twisting of 1300D-1500D polyster fibre long filament to do the warp parallel, and warp, parallel are along weaving expansion and form through, latitude direction translation.
As preferably, described PVC calendered film is divided into film and following film, and base cloth places between film and the following film, and last film thickness is 20, and following film is 16.
As preferably, the degree of polymerization of described SG-70 resin is at least 1300; Adjacent benzene class plasticizing agent is a dioctyl ester; Cold resistant plasticizer is di-n-octyl sebacate or dioctyl adipate; Cationic plasticizing agent is cationic quaternary ammonium salt CTAB, and colorant is conductive carbon black and antimony oxide; Antibacterial mildew inhibitor is adjacent three acid imides of Bravo or benzene; Nanometer grade calcium carbonate is all selected in inorganic filler for use; Age resister is the plastic anti-aging agent bisphenol-A.
A kind of colliery comprises the following steps: with the preparation method of air duct
(1) making of base cloth: adopt the ultralow contraction twisting of 1300D-1500D polyster fibre long filament to do warp and parallel, warp loom is weaved expansion and is formed latticed base cloth;
(2) making of PVC calendered film: the described PVC calendering coating materials that mixes of claim 1 is stirred through high speed dispersor, plastify then, on calendered film equipment, roll into the PVC film;
(3) adopt laminating machine that PVC calendered film and base cloth are formed through high temperature plasticizing overlay film:
1. PVC calendered film and base cloth are put into unreeling machine simultaneously, by unreeling machine PVC calendered film and base cloth are sent into and be laminated with baking oven; 2. in multiple film baking oven with the preliminary thermoplastification of PVC calendered film and compound calendering on base cloth; 3. PVC calendered film and base cloth are prolonged the plasticizing typing of fitting by answer mould while cooling off; 4. the monoclonal antibody film-coated fabrics rolling that will cool off by winder; 5. the monoclonal antibody film-coated fabrics of rolling being placed on and carrying out antistatic surface on the volume machine that is coated with electrostatic apparatus and handle, specifically is to be coated with antistatic additive on the surface, oven dry then; 6. surface-treated air duct cloth is carried out cutting, cotton cord bag card is synthesized the tenterloin braces with air duct cloth; 7. the tenterloin braces is attached on the air duct cloth with heat seal; 8. the air duct cloth of first-class tenterloin braces is fitted into the whole air duct of single width moulding.
As preferably, described antistatic dosage is 30g-60g/m
2, temperature of oven is between 60 ℃-80 ℃ when being coated with antistatic additive and oven dry, and the temperature of plasticizing is 220 ℃-250 ℃ in the described multiple film baking oven.
As preferably, per 10 centimeters 51 of the density of described warp, 10 centimeters 47 of the density of parallel, warp loom is weaved expansion and is formed 2000 meters of latticed length, wide 3 meters base cloth.
By a kind of colliery air duct that technique scheme is made, the SG-70 resin has the good transparency, heat stability, water-resistance, weatherability.Plasticizing agent and resin have good compatibility.It can improve resin flow when processing and forming, reduces the active force between the PVC strand, makes the vitrification point of resin, and the fusing point of flowing temperature and contained crystallite all reduces.Plasticizing agent can improve the plasticity of resin, makes goods softness, resistance to low temperature good.The main effect of stabilizing agent is to catch the hydrogen chloride with catalytic action that the SG-70 resin is emitted, and is that the unstable polyene structure that produces with the SG-70 resin plays addition reaction, with the decomposition that stops or alleviate the SG-70 resin.Inorganic filler is in order to improving composite property, and the solid additive that can reduce cost, and inorganic filler has effectively guaranteed the contradiction of the economy of the physical property of product and product, makes the high-quality of product and economy obtain unification.That inorganic combustion inhibitor has is fire-retardant, become charcoal, press down cigarette, press down fire-retardant and prevent to generate multiple efficacies such as molten, the fire-retardant index of product is reached do not fire.Ageing-resistant dose has the good discoloration that light and heat causes that prevents, also has certain light stabilization simultaneously.Mould inhibitor can prevent because of microorganism cause mouldy.Coupling agent plays curing.The anti-tear power of above-mentioned base cloth is strong, breaking strength is high, its warp-wise, filling-tear resistance all above reality can reach 630N above (national standard 〉=150N), in light weight, fabric width is wide, wear-resisting, the low temperature environment for use is not crisp, indeformable in the down-hole, the life-span is long.
In sum, colliery of the present invention has abrasion resistance with air duct and tear resistance is good, in light weight, waterproof, antifouling, mildew-resistant, fire-retardant, antistatic effect good, ageing-resistant, application life is very long, the spalling of product and weather resistance are good, and can the single width moulding, the potential safety hazard when having guaranteed to use under coal mine.
The specific embodiment
Embodiment 1
A kind of colliery air duct comprises grid base cloth and the multiple PVC calendered film of film on base cloth, and the PVC calendered film is divided into film and following film, and base cloth places between film and the following film, and last film thickness is 20, and following film is 16, scribbles antistatic additive on the PVC calendered film lateral surface; Polyster fibre long filament grid base cloth is to adopt the ultralow contraction twisting of 1300D polyster fibre long filament to do the warp parallel to weave and form; Described PVC calendered film is made by following component by weight:
100 parts of SG-70 resins, 47 parts in adjacent benzene class plasticizing agent, 15 parts of tricresyl phosphate ester plasticizers, 10 parts in cationic plasticizing agent, 15 parts of cold resistant plasticizer, 2.5 parts of epoxy plasticisers, 8 parts of inorganic combustion inhibitors, 60 parts of inorganic fillers, 0.2 part of age resister, 0.1 part of antibacterial mildew inhibitor, 20 parts in colorant, 8 parts of coupling agents.
The degree of polymerization of above-mentioned SG-70 resin is at least 1300.Adjacent benzene class plasticizing agent is a dioctyl ester.The tricresyl phosphate ester plasticizer is a kind of of aromatic phosphoric ester, aliphatic phosphate ester or aromatic-aliphatic phosphate.Cationic plasticizing agent is cationic quaternary ammonium salt CTAB.Cold resistant plasticizer is a kind of of di-n-octyl sebacate or dioctyl adipate or both mixing.Epoxy plasticiser is epoxidized soybean oil ESO.Inorganic combustion inhibitor is a magnesium hydroxide.Inorganic filler is a nanometer grade calcium carbonate.Age resister is the plastic anti-aging agent bisphenol-A.Antibacterial mildew inhibitor is adjacent three acid imides of Bravo or benzene.Colorant is conductive carbon black and antimony oxide, especially the intermixture that cationic quaternary ammonium salt, conductive carbon black and antimony oxide close according to weight ratio 10-20: 20-25: 5-10 mixing, by constantly moving outside of plasticizing agent, absorb the ability that airborne moisture content reduces sheet resistance simultaneously, further reduce sheet resistance and specific insulation simultaneously.
Above-mentioned colliery comprises the following steps: with the preparation method of air duct
(1) making of base cloth: adopt 1300D high-strength wearable type ultralow contraction terylene fiber filament on the import twisting mill, to twist and form as warp, parallel adopts 1300D high-strength wearable type ultralow contraction terylene fiber filament to twist on the import twisting mill and forms, per 10 centimeters 51 of the density of warp, 10 centimeters 47 of the density of parallel, weave expansion through the import braider and form 2000 meters of latticed length, wide 3 meters base cloth.
(2) making of PVC calendered film: the described PVC calendering coating materials that mixes of claim 1 is stirred through high speed dispersor, plastify then, on calendered film equipment, roll into the PVC film; Stirred 20-30 minute through high speed dispersor, take out that the banbury that is placed on import plastifies and calendered film equipment under the situation of 160 ℃ of temperature, roll on the PVC film 20 of films, 16 of following films, 3 meters of fabric widths, 2000 meters of length.
(3) adopt laminating machine that PVC calendered film and base cloth are formed through high temperature plasticizing overlay film:
1. last film, base cloth, time film are put into unreeling machine simultaneously, film and base cloth are sent into the speed of 3 meters of per minutes with 0.5 meter tension force and are laminated with baking oven about inciting somebody to action respectively by three unreeling machines; 2. again in the film baking oven temperature of 220 ℃ of constant temperature up and down the preliminary thermoplastification of film and compound calendering on base cloth; 3. the film up and down that will go out multiple film baking oven with the speed of 3 meters of per minutes with 0.8 ton pressure and base cloth by while cool off multiple mould prolong to fit to plastify and finalize the design; 4. the monoclonal antibody film-coated fabrics rolling that will cool off by winder; 5. the monoclonal antibody film-coated fabrics of rolling being placed on and carrying out antistatic surface on the volume machine that is coated with electrostatic apparatus and handle, specifically is to be coated with antistatic additive on the surface, oven dry then, and antistatic dosage is 30g-60g/m
2, temperature of oven is between 60 ℃-80 ℃ when being coated with antistatic additive and oven dry; 6. surface-treated air duct cloth is cut into different size specifications, the speed with 5 meters/minute under 350 ℃ temperature is synthesized the tenterloin braces with air duct cloth with cotton cord bag card; 7. be attached to the tenterloin braces on the air duct cloth with heat seal in the speed with 3.3 meters/minute under 300 ℃ the temperature; 8. the single width molded integral air duct of under 300 ℃ temperature, the air duct cloth of first-class tenterloin braces being fitted and becoming into all size with 3 meters/minute speed by the product specification size.
Embodiment 2
A kind of colliery air duct comprises grid base cloth and the multiple PVC calendered film of film on base cloth, and the PVC calendered film is divided into film and following film, and base cloth places between film and the following film, and last film thickness is 20, and following film is 16, scribbles antistatic additive on the PVC calendered film lateral surface; Polyster fibre long filament grid base cloth is to adopt the ultralow contraction twisting of 1500D polyster fibre long filament to do the warp parallel to weave and form; Described PVC calendered film comprises that by weight following component makes:
100 parts of SG-70 resins, 45 parts in adjacent benzene class plasticizing agent, 10 parts of tricresyl phosphate ester plasticizers, 8 parts in cationic plasticizing agent, 8 parts of cold resistant plasticizer, 2 parts of epoxy plasticisers, 8 parts of inorganic combustion inhibitors, 60 parts of inorganic fillers, 0.2 part of age resister, 0.1 part of antibacterial mildew inhibitor, 20 parts in colorant, 6 parts of coupling agents.
The degree of polymerization of above-mentioned SG-70 resin is at least 1300.Adjacent benzene class plasticizing agent is a dioctyl ester.The tricresyl phosphate ester plasticizer is a kind of of aromatic phosphoric ester, aliphatic phosphate ester or aromatic-aliphatic phosphate.Cationic plasticizing agent is cationic quaternary ammonium salt CTAB.Cold resistant plasticizer is a kind of of di-n-octyl sebacate or dioctyl adipate or both mixing.Epoxy plasticiser is epoxidized soybean oil ESO.Inorganic combustion inhibitor is a magnesium hydroxide.Inorganic filler is a nanometer grade calcium carbonate.Age resister is the plastic anti-aging agent bisphenol-A.Antibacterial mildew inhibitor is adjacent three acid imides of Bravo or benzene.Colorant is conductive carbon black and antimony oxide.
Except that polyster fibre long filament grid base cloth is to adopt the ultralow contraction twisting of 1500D polyster fibre long filament to do the warp parallel weaves, other preparation method is all identical with embodiment 1.
Embodiment 3
A kind of colliery air duct comprises grid base cloth and the multiple PVC calendered film of film on base cloth, and the PVC calendered film is divided into film and following film, and base cloth places between film and the following film, and last film thickness is 20, and following film is 16, scribbles antistatic additive on the PVC calendered film lateral surface; Polyster fibre long filament grid base cloth is to adopt the ultralow contraction twisting of 1300D polyster fibre long filament to do the warp parallel to weave and form; Described PVC calendered film comprises that by weight following component makes:
100 parts of SG-70 resins, 50 parts in adjacent benzene class plasticizing agent, 20 parts of tricresyl phosphate ester plasticizers, 12 parts in cationic plasticizing agent, 25 parts of cold resistant plasticizer, 5 parts of epoxy plasticisers, 12 parts of inorganic combustion inhibitors, 65 parts of inorganic fillers, 1 part of age resister, 0.1 part of antibacterial mildew inhibitor, 25 parts in colorant, 12 parts of coupling agents.
The degree of polymerization of above-mentioned SG-70 resin is at least 1300.Adjacent benzene class plasticizing agent is a dioctyl ester.The tricresyl phosphate ester plasticizer is a kind of of aromatic phosphoric ester, aliphatic phosphate ester or aromatic-aliphatic phosphate.Cationic plasticizing agent is cationic quaternary ammonium salt CTAB.Cold resistant plasticizer is a kind of of di-n-octyl sebacate or dioctyl adipate or both mixing.Epoxy plasticiser is epoxidized soybean oil ESO.Inorganic combustion inhibitor is a magnesium hydroxide.Inorganic filler is a nanometer grade calcium carbonate.Age resister is the plastic anti-aging agent bisphenol-A.Antibacterial mildew inhibitor is adjacent three acid imides of Bravo or benzene.Colorant is conductive carbon black and antimony oxide.
Preparation method is identical with embodiment 1.
The concrete parameter of ultralow contraction twisting polyster fibre long filament that the present invention adopts sees following table for details,
Ultralow contraction:
Add twisted filament:
| Fiber number | ??Denier | ??1300D | ??1500D |
| Hole count | ??F | ??192 | ??192 |
| The twist | ??T/M | ??T±6 | ??T±6 |
| Breaking strength | Be equivalent to precursor 90% level | Be equivalent to precursor 90% level | |
| Extension at break | ??％ | ??14±2 | ??14±2 |
| 177 ℃ of xeothermic contractions | ??％ | ??≤0.5 | ??≤0.5 |
| Sth. made by twisting is to S/Z | S or Z | S or Z |
The colliery of this patent is made the rubber air duct with air duct with existing rubber calendering and is compared:
1. smell was big when the rubber air duct was produced, and French chalk is arranged, and heaviness is wanted several moulding, easily blows open; The air duct moulding of this patent is simple and easy, produces pollution-freely, and wide cut makes the moulding of whole air duct single width more than 2.8 meters.
2. good airproof performance, hundred meters air leak rate of air curtain of national standard air duct (%)≤4.0, the air duct of this patent reaches 0.59, than 5.93 times of high day of rubber air ducts; Anti-blast national standard: the anti-blast of air duct (Pa) 〉=5000, the air duct of this patent can reach 5800Pa, is higher than 1000Pa than rubber air duct; It is little to expand, national standard air duct expansion rate (%)≤3.0, and the air duct of this patent can reach 1.01%, and is littler 3 times than rubber air duct.
3. tensile strength height, long service life, the national standard warp-wise is pulled apart brute force (N/50mm), and the air duct of this patent can reach 2564N, and is higher 2 times than rubber air duct; The national standard broadwise is pulled apart brute force (N/50mm), and the air duct of this patent can reach 2470N, and is higher 2 times than rubber air duct; It is higher 3 times than rubber air duct that national standard warp-wise tear edge (N) 〉=250, the air duct of this patent reach 760.80N; It is higher 4 times than rubber air duct that national standard broadwise tear edge (N) 〉=250, the air duct of this patent can reach 1142.20N.
4. antistatic good, security performance is better, national standard sheet resistance (Ω)≤3 * 10
8, the air duct of this patent can reach 1.9 * 10
4, littler much than rubber air duct resistance.
5. flame-retardance and thermal endurance is good, security performance is better, national standard alcohol blast burner flaming combustion time (S) wall scroll≤10, the air duct of this patent can reach 3.2 (S), littler 3 times than rubber air duct, alcohol blast burner flameless combustion time (S) wall scroll≤60, the air duct of this patent can reach 1.9 (S), and is littler 21 times than rubber air duct.
6. cold tolerance height ℃ does not ftracture at low temperatures-30.
Concrete contrast form is as follows:
| Project name | National normal value | The air duct of this patent | Existing rubber air duct |
| Hundred meters windage (NS of air duct 2/m 8) | ??≤24 | ??19.80 | ??23 |
| Hundred meters air leak rate of air curtain of air duct (%) | ??≤4.0 | ??0.59 | ??3.5 |
| The anti-blast of air duct (Pa) | ??≥5000 | ??5800 | ??4800 |
| Air duct expansion rate (%) | ??≤3.0 | ??1.01 | ??3.01 |
| Warp-wise is pulled apart brute force (N/50mm) | ??≥2000 | ??2564.00 | ??1290 |
| Broadwise is pulled apart brute force (N/50mm) | ??≥2000 | ??2470.00 | ??1280 |
| Warp-wise tear edge (N) | ??≥250 | ??760.80 | ??250 |
| Broadwise tear edge (N) | ??≥250 | ??1142.20 | ??280 |
| Sheet resistance (Ω) | ??≤3×10 8 | ??1.9×10 4 | ??3×10 9 |
| Alcohol blast burner flaming combustion time (S) wall scroll | ??≤10 | ??3.2 | ??10 |
| Alcolhol burner flameless combustion time (S) wall scroll | ??≤60 | ??1.9 | ??40 |
Data in the form are to be detected through national dust suppression in mine ventilation safety product quality supervision and inspection center with air duct by the colliery that embodiment 1 described technical scheme is made to obtain.
Above-mentioned several embodiment only is a this patent embodiment preferably, and the structure that all employing the technical program are described, feature and the variation on its spiritual principle, modification all belong to the protection domain of this patent.
Claims (9)
1. a colliery air duct is characterized in that comprising grid base cloth and the multiple PVC calendered film of film on base cloth, scribbles antistatic additive on the PVC calendered film; The polyster fibre long filament is done warp to described grid base cloth, parallel is weaved and formed by twisting; Described PVC calendered film comprises that by weight following component makes:
100 parts of SG-70 resins, plasticizing agent 73-112 part, inorganic combustion inhibitor 8-12 part, inorganic filler 60-65 part, age resister 0.2-1 part, 0.1 part of antibacterial mildew inhibitor, colorant 20-25 part, coupling agent 6-12 part.
2. a kind of colliery according to claim 1 air duct is characterized in that plasticizing agent is: adjacent benzene class plasticizing agent 45-50 part, tricresyl phosphate ester plasticizer 10-20 part, cationic plasticizing agent 8-12 part, cold resistant plasticizer 8-25 part, epoxy plasticiser 2-5 part.
3. a kind of colliery according to claim 2 air duct is characterized in that described PVC calendered film made by following component by weight:
100 parts of SG-70 resins, 47 parts in adjacent benzene class plasticizing agent, 15 parts of tricresyl phosphate ester plasticizers, 10 parts in cationic plasticizing agent, 15 parts of cold resistant plasticizer, 2.5 parts of epoxy plasticisers, 8 parts of inorganic combustion inhibitors, 60 parts of inorganic fillers, 0.2 part of age resister, 0.1 part of antibacterial mildew inhibitor, 20 parts in colorant, 8 parts of coupling agents.
4. according to claim 1 or 2 or 3 described a kind of colliery air ducts, it is characterized in that described grid base cloth is to adopt the ultralow contraction twisting of 1300D-1500D polyster fibre long filament to do the warp parallel, warp, parallel are weaved expansion along warp, the translation of latitude direction and are formed.
5. according to claim 1 or 2 or 3 described a kind of colliery air ducts, it is characterized in that described PVC calendered film is divided into film and following film, base cloth places between film and the following film, and last film thickness is 20, and following film is 16.
6. according to claim 2 or 3 described a kind of colliery air ducts, it is characterized in that described adjacent benzene class plasticizing agent is a dioctyl ester; Cold resistant plasticizer is di-n-octyl sebacate or dioctyl adipate; Cationic plasticizing agent is cationic quaternary ammonium salt, and colorant is conductive carbon black and antimony oxide; Antibacterial mildew inhibitor is adjacent three acid imides of Bravo or benzene; Nanometer grade calcium carbonate is all selected in inorganic filler for use; Age resister is a plastic anti-aging agent.
7. the preparation method of a colliery usefulness air duct is characterized in that comprising the following steps:
(1) making of base cloth: adopt the ultralow contraction twisting of 1300D-1500D polyster fibre long filament to do warp and parallel, warp loom is weaved expansion and is formed latticed base cloth;
(2) making of PVC calendered film: the described PVC calendering coating materials that mixes of claim 1 is stirred through high speed dispersor, plastify then, on calendered film equipment, roll into the PVC film;
(3) adopt laminating machine that PVC calendered film and base cloth are formed through high temperature plasticizing overlay film:
1. PVC calendered film and base cloth are put into unreeling machine simultaneously, by unreeling machine PVC calendered film and base cloth are sent into and be laminated with baking oven; 2. in multiple film baking oven with the preliminary thermoplastification of PVC calendered film and compound calendering on base cloth; 3. PVC calendered film and base cloth are prolonged the plasticizing typing of fitting by answer mould while cooling off; 4. the monoclonal antibody film-coated fabrics rolling that will cool off by winder; 5. the monoclonal antibody film-coated fabrics of rolling being placed on and carrying out antistatic surface on the volume machine that is coated with electrostatic apparatus and handle, specifically is to be coated with antistatic additive on the surface, oven dry then; 6. surface-treated air duct cloth is carried out cutting, cotton cord bag card is synthesized the tenterloin braces with air duct cloth; 7. the tenterloin braces is attached on the air duct cloth with heat seal; 8. the air duct cloth of first-class tenterloin braces is fitted into the whole air duct of single width moulding.
8. a kind of colliery according to claim 7 is characterized in that with the preparation method of air duct described antistatic dosage is 30g-60g/m
2, temperature of oven is between 60 ℃-80 ℃ when being coated with antistatic additive and oven dry, and the temperature of plasticizing is 220 ℃-250 ℃ in the described multiple film baking oven.
9. according to claim 7 or 8 described a kind of collieries preparation method with air ducts, it is characterized in that per 10 centimeters 51 of the density of described warp, 10 centimeters 47 of the density of parallel, warp loom is weaved expansion and is formed 2000 meters of latticed length, wide 3 meters base cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101015732A CN101644164B (en) | 2009-08-17 | 2009-08-17 | Coal mine air cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101015732A CN101644164B (en) | 2009-08-17 | 2009-08-17 | Coal mine air cylinder |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110316369 Division CN102392671B (en) | 2009-08-17 | 2009-08-17 | Manufacturing method of mine blow dryer |
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| CN101644164A true CN101644164A (en) | 2010-02-10 |
| CN101644164B CN101644164B (en) | 2012-07-04 |
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Application publication date: 20100210 Assignee: The world, Zhejiang Su Ye company limited Assignor: Yu Gaoliang Contract record no.: 2013330000299 Denomination of invention: Coal mine air cylinder and manufacturing method thereof Granted publication date: 20120704 License type: Exclusive License Record date: 20131010 |
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