CN110697329A - Layered flame-retardant conveyor belt for coal mine - Google Patents
Layered flame-retardant conveyor belt for coal mine Download PDFInfo
- Publication number
- CN110697329A CN110697329A CN201911122905.5A CN201911122905A CN110697329A CN 110697329 A CN110697329 A CN 110697329A CN 201911122905 A CN201911122905 A CN 201911122905A CN 110697329 A CN110697329 A CN 110697329A
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- Prior art keywords
- retardant
- conveyor belt
- rubber
- flame
- nylon cloth
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Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 56
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000003245 coal Substances 0.000 title claims abstract description 20
- 229920001778 nylon Polymers 0.000 claims abstract description 57
- 239000004744 fabric Substances 0.000 claims abstract description 45
- 239000004677 Nylon Substances 0.000 claims abstract description 42
- 229920000271 Kevlar® Polymers 0.000 claims abstract description 20
- 239000004761 kevlar Substances 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 16
- 229920001971 elastomer Polymers 0.000 claims description 34
- 239000005060 rubber Substances 0.000 claims description 34
- 239000007767 bonding agent Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 12
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 6
- 244000043261 Hevea brasiliensis Species 0.000 claims description 6
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 6
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052794 bromium Inorganic materials 0.000 claims description 6
- 239000000460 chlorine Substances 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 6
- 239000000347 magnesium hydroxide Substances 0.000 claims description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 6
- 229920003052 natural elastomer Polymers 0.000 claims description 6
- 229920001194 natural rubber Polymers 0.000 claims description 6
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 6
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims 1
- 239000002105 nanoparticle Substances 0.000 claims 1
- 239000002759 woven fabric Substances 0.000 claims 1
- 239000012790 adhesive layer Substances 0.000 abstract description 22
- 239000010410 layer Substances 0.000 abstract description 10
- 239000011162 core material Substances 0.000 description 23
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
- B65G15/38—Belts or like endless load-carriers made of rubber or plastics with flame-resistant layers, e.g. of asbestos, glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K2003/026—Phosphorus
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Belt Conveyors (AREA)
- Laminated Bodies (AREA)
Abstract
A layered flame-retardant conveyor belt for coal mines is composed of a covering glue layer (2), a rubberizing layer (1) and a conveyor belt core; the belt core of the conveying belt comprises EP canvas (3), Kevlar fibers (5) and nylon cloth (4), the nylon cloth (4) is mesh cloth formed by mutually perpendicular and crossed nylon fibers (41), 3-7 layers of nylon cloth (4) are stacked in the center of the belt core of the conveying belt, the Kevlar fibers (5) penetrate through meshes (42) of the stacked nylon cloth and extend with the nylon cloth (41) in a crossed manner on the upper surface and the lower surface of the stacked nylon cloth (4), the EP canvas (3) is arranged on the upper surface and the lower surface of the stacked nylon cloth (4), and covering glue is filled in gaps of the belt core of the conveying belt; the upper surface and the lower surface of the layered flame-retardant conveyor belt for the coal mine are respectively provided with an adhesive layer (1), the center of the layered flame-retardant conveyor belt is provided with a conveyor belt core, a covering adhesive layer (2) is arranged between the adhesive layer (1) and the conveyor belt core, and the three are tightly combined. The invention has high flame-retardant and antistatic performance and low use cost.
Description
Technical Field
The invention relates to a conveyor belt, in particular to a special flame-retardant conveyor belt for a coal mine.
Background
In order to adapt to the transportation of coal mines, the conveying belt must have high flame-retardant and antistatic performances, the traditional laminated fabric conveying belt cannot achieve a good flame-retardant and antistatic effect, and great potential safety hazards are brought to the transportation operation of coal mines if the traditional laminated fabric conveying belt is used, so that the PVC and PVG whole-core flame-retardant conveying belt is greatly used at present, but the service life of the PVC and PVG conveying belt is short, and the use cost is high.
Disclosure of Invention
The invention aims to provide a layered flame-retardant conveyor belt for a coal mine, which solves the technical problems, so that the conveyor belt meets the performance requirements of high flame retardance and static electricity resistance, and also meets the economic requirement of low use cost.
In order to solve the technical problems, the invention adopts the following technical scheme:
the layered flame-retardant conveyor belt for the coal mine consists of a covering adhesive layer 2, an adhesive layer 1 and a conveyor belt core; the belt core of the conveyor belt comprises EP canvas 3, Kevlar fiber 5 and nylon cloth 4, wherein the nylon cloth 4 is mesh cloth formed by mutually and vertically crossing nylon fibers 41, the diameter of the nylon fibers 41 is 0.3-5 mm, 3-7 layers of nylon cloth 4 are stacked in the center of the belt core of the conveyor belt, the Kevlar fiber 5 penetrates through meshes 42 of the stacked nylon cloth and extends in a way of crossing with the nylon fibers 41 on the upper and lower surfaces of the stacked nylon cloth 4, the diameter of the Kevlar fiber 5 is 0.3-5 mm, the EP canvas 3 is arranged on the upper and lower surfaces of the stacked nylon cloth 4, and covering glue is filled between gaps of the belt core of the conveyor belt; the upper and lower surfaces of the layered flame-retardant conveyor belt for the coal mine are adhesive layers 1, a conveyor belt core is arranged at the center, a covering adhesive layer 2 is arranged between the adhesive layers 1 and the conveyor belt core, the three are tightly combined, the covering adhesive layer 2 is made of covering adhesive, and the adhesive layer 1 is made of adhesive.
The covering rubber comprises a flame retardant and a rubber material special for the covering rubber, wherein the rubber material special for the covering rubber comprises chloroprene rubber, zinc oxide, magnesium oxide, an NA-22 vulcanization system and a flame-retardant softener chlorinated paraffin.
The special rubber material for rubberizing comprises chloroprene rubber, styrene butadiene rubber, natural rubber and a metamethylene white bonding system consisting of a bonding agent A, a bonding agent RE, a bonding agent RH, a bonding agent RS and white carbon black.
Further, the flame retardant in the covering glue comprises nanometer aluminum hydroxide, magnesium hydroxide, zinc borate with finer particles, chlorine-containing and bromine-containing flame retardants capable of blocking free radicals: decabromodiphenyl ether, antimony trioxide, novel composite flame retardant: microencapsulated red phosphorus.
Further, the flame retardant in the patch comprises nanometer aluminum hydroxide, magnesium hydroxide, zinc borate with finer particles, chlorine-containing and bromine-containing flame retardants capable of blocking free radicals: decabromodiphenyl ether, antimony trioxide, novel composite flame retardant: microencapsulated red phosphorus.
The diameter of the mesh edge of the woven meshes of the EP canvas 3 and the nylon cloth 4 is 0.3 mm-1.5 mm.
Drawings
Fig. 1 is a schematic structural diagram of a layered flame retardant conveyor belt for coal mines.
Fig. 2 is a schematic diagram of a nylon cloth 4 weaving structure.
FIG. 3 is a schematic diagram showing the relationship between the Kevlar fiber 5 and the nylon fiber 41.
1-adhesive layer 1, 2-covering adhesive layer, 3-EP canvas, 4-nylon cloth, 41-nylon fiber, 42-nylon cloth mesh and 5-Kevlar fiber.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Example 1
The layered flame-retardant conveyor belt for the coal mine consists of a covering glue layer 2, a rubberizing layer 1 and a conveyor belt core; the belt core of the conveyor belt comprises EP canvas 3, Kevlar fiber 5 and nylon cloth 4, wherein the nylon cloth 4 is mesh cloth formed by mutually and vertically crossing nylon fibers 41, the diameter of the nylon fibers 41 is 0.3-5 mm, 3-7 layers of nylon cloth 4 are stacked in the center of the belt core of the conveyor belt, the Kevlar fiber 5 penetrates through meshes 42 of the stacked nylon cloth and extends in a way of crossing with the nylon fibers 41 on the upper and lower surfaces of the stacked nylon cloth 4, the diameter of the Kevlar fiber 5 is 0.3-5 mm, the EP canvas 3 is arranged on the upper and lower surfaces of the stacked nylon cloth 4, and covering glue is filled between gaps of the belt core of the conveyor belt; the upper and lower surfaces of the layered flame-retardant conveyor belt for the coal mine are adhesive layers 1, a conveyor belt core is arranged at the center, a covering adhesive layer 2 is arranged between the adhesive layers 1 and the conveyor belt core, the three are tightly combined, the covering adhesive layer 2 is made of covering adhesive, and the adhesive layer 1 is made of adhesive.
The covering rubber comprises a flame retardant and a rubber material special for the covering rubber, wherein the rubber material special for the covering rubber comprises chloroprene rubber, zinc oxide, magnesium oxide, an NA-22 vulcanization system and a flame-retardant softener chlorinated paraffin.
The special rubber material for rubberizing comprises chloroprene rubber, styrene-butadiene rubber, natural rubber and a metaformaldehyde bonding system consisting of a bonding agent A, a bonding agent RE, a bonding agent RH, a bonding agent RS and white carbon black, and is mainly composed of the chloroprene rubber, the styrene-butadiene rubber and the natural rubber.
The flame retardant in the patch comprises nanometer aluminum hydroxide, magnesium hydroxide and zinc borate with finer particles, and chlorine-containing and bromine-containing flame retardants capable of blocking free radicals: decabromodiphenyl ether, antimony trioxide, novel composite flame retardant: microencapsulated red phosphorus.
In order to enable the rubber body of the covering rubber to be combined with the belt core of the conveyor belt more fully, the hole edge diameters of woven meshes of the EP canvas 3 and the nylon cloth 4 are 0.3 mm-1.5 mm, so that the rubber body can be more easily penetrated.
In the design, common Kevlar, nylon and EP canvas 3 are mainly used and matched with flame-retardant covering glue and rubberizing to ensure that the full-thickness flame-retardant antistatic performance of the belt body meets the MT830 standard requirement, and common Kevlar, nylon and EP canvas 3 are core materials and cannot meet the full-thickness flame-retardant antistatic performance requirement.
Example 2
The layered flame-retardant conveyor belt for the coal mine consists of a covering glue layer 2, a rubberizing layer 1 and a conveyor belt core; the belt core of the conveyor belt comprises EP canvas 3, Kevlar fiber 5 and nylon cloth 4, wherein the nylon cloth 4 is mesh cloth formed by mutually and vertically crossing nylon fibers 41, the diameter of the nylon fibers 41 is 0.3-5 mm, 3-7 layers of nylon cloth 4 are stacked in the center of the belt core of the conveyor belt, the Kevlar fiber 5 penetrates through meshes 42 of the stacked nylon cloth and extends in a way of crossing with the nylon fibers 41 on the upper and lower surfaces of the stacked nylon cloth 4, the diameter of the Kevlar fiber 5 is 0.3-5 mm, the EP canvas 3 is arranged on the upper and lower surfaces of the stacked nylon cloth 4, and covering glue is filled between gaps of the belt core of the conveyor belt; the upper and lower surfaces of the layered flame-retardant conveyor belt for the coal mine are adhesive layers 1, a conveyor belt core is arranged at the center, a covering adhesive layer 2 is arranged between the adhesive layers 1 and the conveyor belt core, the three are tightly combined, the covering adhesive layer 2 is made of covering adhesive, and the adhesive layer 1 is made of adhesive.
The covering rubber comprises a flame retardant and a rubber material special for the covering rubber, wherein the rubber material special for the covering rubber comprises chloroprene rubber, zinc oxide, magnesium oxide, an NA-22 vulcanization system and a flame-retardant softener chlorinated paraffin.
The special rubber material for rubberizing comprises chloroprene rubber, styrene-butadiene rubber, natural rubber and a metaformaldehyde bonding system consisting of a bonding agent A, a bonding agent RE, a bonding agent RH, a bonding agent RS and white carbon black, and is mainly composed of the chloroprene rubber, the styrene-butadiene rubber and the natural rubber. .
The flame retardant in the covering glue comprises nanometer aluminum hydroxide, magnesium hydroxide and zinc borate with finer particles, and chlorine-containing and bromine-containing flame retardants capable of blocking free radicals: decabromodiphenyl ether, antimony trioxide, novel composite flame retardant: microencapsulated red phosphorus.
The flame retardant in the patch comprises nanometer aluminum hydroxide, magnesium hydroxide and zinc borate with finer particles, and chlorine-containing and bromine-containing flame retardants capable of blocking free radicals: decabromodiphenyl ether, antimony trioxide, novel composite flame retardant: microencapsulated red phosphorus.
In order to enable the rubber body of the covering rubber to be combined with the belt core of the conveyor belt more fully, the hole edge diameters of woven meshes of the EP canvas 3 and the nylon cloth 4 are 0.3 mm-1.5 mm, so that the rubber body can be more easily penetrated.
Tests show that the tensile strength of the covering rubber reaches 17MPa, the elongation at break reaches 400 percent, and the abrasion loss is 140mm3And the performance indexes of sample combustion (with flame and without flame), friction drum, surface resistance, propane tunnel combustion and the like all reach the MT830 standard.
In the design, common Kevlar, nylon and EP canvas 3 are mainly used and matched with flame-retardant covering glue and rubberizing to ensure that the full-thickness flame-retardant antistatic performance of the belt body meets the MT830 standard requirement, and common Kevlar, nylon and EP canvas 3 are core materials and cannot meet the full-thickness flame-retardant antistatic performance requirement.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (5)
1. A layered flame-retardant conveyor belt for coal mines is characterized by comprising a covering glue layer (2), a rubberizing layer (1) and a conveyor belt core;
the conveying belt core comprises EP canvasses (3), Kevlar fibers (5) and nylon cloth (4), the nylon cloth (4) is mesh cloth formed by mutually perpendicular and crossed nylon fibers (41), the diameter of the nylon fibers (41) is 0.3-5 mm, 3-7 layers of nylon cloth (4) are stacked in the center of the conveying belt core, the Kevlar fibers (5) penetrate through meshes (42) of the stacked nylon cloth and extend with the nylon fibers (41) in a crossed manner on the upper surface and the lower surface of the stacked nylon cloth (4), the diameter of the Kevlar fibers (5) is 0.3-5 mm, the EP canvasses (3) are arranged on the upper surface and the lower surface of the stacked nylon cloth (4), and covering glue is filled between gaps of the conveying belt core;
the coal mine is with lower surface on the fire-retardant conveyer belt of layering be rubberizing layer (1), and the center is the conveyer belt tape core, for covering glue film (2) between rubberizing layer (1) and conveyer belt tape core, the three combines closely, the material that covers glue film (2) is for covering glue, the material of rubberizing layer (1) be rubberizing.
2. The layered flame-retardant conveyor belt for coal mines as claimed in claim 1, wherein the cover rubber comprises a flame retardant, a rubber material special for cover rubber,
the rubber material special for the covering rubber comprises chloroprene rubber, zinc oxide, magnesium oxide, an NA-22 vulcanization system and a flame-retardant softener chlorinated paraffin.
3. The layered flame-retardant conveyor belt for coal mines as claimed in claim 2, wherein the coating rubber comprises a flame retardant, a rubber material special for coating rubber,
the special rubber material for rubberizing comprises chloroprene rubber, styrene-butadiene rubber, natural rubber and a methyl-white bonding system consisting of a bonding agent A, a bonding agent RE, a bonding agent RH, a bonding agent RS and white carbon black.
4. A layered fire retardant conveyor belt for coal mines as claimed in any of claims 2 and 3 wherein said fire retardant comprises more finely divided nano-sized aluminium hydroxide, magnesium hydroxide, zinc borate, free radical-blocking chlorine-containing, bromine-containing fire retardants: decabromodiphenyl ether, antimony trioxide, novel composite flame retardant: microencapsulated red phosphorus.
5. The conveyor belt according to claim 4, wherein the diameter of the mesh openings of the woven fabric of the EP canvas 3 and the nylon cloth 4 is 0.3 mm to 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911122905.5A CN110697329B (en) | 2019-11-16 | 2019-11-16 | Layered flame-retardant conveyor belt for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911122905.5A CN110697329B (en) | 2019-11-16 | 2019-11-16 | Layered flame-retardant conveyor belt for coal mine |
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| Publication Number | Publication Date |
|---|---|
| CN110697329A true CN110697329A (en) | 2020-01-17 |
| CN110697329B CN110697329B (en) | 2024-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911122905.5A Active CN110697329B (en) | 2019-11-16 | 2019-11-16 | Layered flame-retardant conveyor belt for coal mine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115678288A (en) * | 2021-07-21 | 2023-02-03 | 沈阳欧贝赛橡塑材料有限公司 | Composite flame retardant for improving friction performance of mining flame-retardant steel wire belt roller |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0309605A1 (en) * | 1987-10-01 | 1989-04-05 | OLBO Textilwerke GmbH | Conveyor belt |
| CN2910977Y (en) * | 2006-05-17 | 2007-06-13 | 张增林 | Anti-tearing net for conveyer belt |
| CN101585934A (en) * | 2008-05-23 | 2009-11-25 | 北京化工大学 | Low-smoke and halogen-free fire-retardant rubber material for covering layer of conveyor belt and preparation method thereof |
| CN102424237A (en) * | 2011-08-19 | 2012-04-25 | 安徽天地人科技集团输送带有限公司 | Flameretardant conveyor belt for aramid fiber core |
| CN109054123A (en) * | 2018-09-26 | 2018-12-21 | 兖矿集团唐村实业有限公司 | Fire retarding conveying band and preparation method thereof |
| CN211643532U (en) * | 2019-11-16 | 2020-10-09 | 山东威普斯橡胶股份有限公司 | Layered flame-retardant conveyor belt for coal mine |
-
2019
- 2019-11-16 CN CN201911122905.5A patent/CN110697329B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0309605A1 (en) * | 1987-10-01 | 1989-04-05 | OLBO Textilwerke GmbH | Conveyor belt |
| CN2910977Y (en) * | 2006-05-17 | 2007-06-13 | 张增林 | Anti-tearing net for conveyer belt |
| CN101585934A (en) * | 2008-05-23 | 2009-11-25 | 北京化工大学 | Low-smoke and halogen-free fire-retardant rubber material for covering layer of conveyor belt and preparation method thereof |
| CN102424237A (en) * | 2011-08-19 | 2012-04-25 | 安徽天地人科技集团输送带有限公司 | Flameretardant conveyor belt for aramid fiber core |
| CN109054123A (en) * | 2018-09-26 | 2018-12-21 | 兖矿集团唐村实业有限公司 | Fire retarding conveying band and preparation method thereof |
| CN211643532U (en) * | 2019-11-16 | 2020-10-09 | 山东威普斯橡胶股份有限公司 | Layered flame-retardant conveyor belt for coal mine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115678288A (en) * | 2021-07-21 | 2023-02-03 | 沈阳欧贝赛橡塑材料有限公司 | Composite flame retardant for improving friction performance of mining flame-retardant steel wire belt roller |
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| Publication number | Publication date |
|---|---|
| CN110697329B (en) | 2024-09-17 |
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