CN104860000A - Special conveyer belt for cement clinker - Google Patents
Special conveyer belt for cement clinker Download PDFInfo
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- CN104860000A CN104860000A CN201510163746.9A CN201510163746A CN104860000A CN 104860000 A CN104860000 A CN 104860000A CN 201510163746 A CN201510163746 A CN 201510163746A CN 104860000 A CN104860000 A CN 104860000A
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- conveyer belt
- cement clinker
- temperature resistant
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- 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
- B65G15/34—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a special conveying belt for cement clinker, which comprises an upper covering glue layer, a belt core and a lower covering glue layer, wherein the upper covering glue layer consists of a high-temperature-resistant glue layer and a heat-resistant bonding buffer layer, and a high-temperature-resistant reinforced framework layer is arranged between the heat-resistant bonding buffer layer and the belt core. The invention has the advantages of firm structure, good high temperature resistance, good shock resistance and long service life.
Description
Technical field
The present invention relates to a kind of load-transfer device, particularly a kind of cement clinker dedicated conveyer belt.
Background technology
Tape transport material replaces the existing upper one-hundred-year history of manpower conveying, and in increasing field, load-transfer device or indispensable, even can be described as load-transfer device and driven the development of industry.Along with economic development, the basic activities such as iron and steel cement shoot up, and the market demand constantly expands, and has higher requirement to high temperature-resistance conveyor belt, and significant economic results in society.
Domestic and international conventional conveyor belt manufacturer and institute all can tolerate the load-transfer device of cement clinker high temperature in development, but all there is not large progress, reason is that nearly all producer is conceived to the heat-resisting ability of load-transfer device upper glue layer, and have ignored the tolerance of whole skeleton, the load-transfer device life-span is caused not obtain too large improvement, and the major defect that high temperature-resistance conveyor belt in use occurs now is, when carrying high-temperature material, adhesive tape driving surface rubber cover aging cracking, driving surface ground floor casing play and rubber cover come off and cause scrapping, and the life-span is shorter.
Chinese patent CN102530470A discloses a kind of high temperature-resistance conveyor belt with cross wall and rib, comprise base band, cross wall and shirt rim, wherein, metal sheet is provided with in cross wall, have some ducts on a metal plate, cross wall is fixed in base band by fastener, solves rubber layer caducous defect when load-transfer device at high temperature uses, but this invention solve only the problem that rubber layer comes off, for the raising of bulk life time without any improvement.Chinese patent CN102167213B discloses a kind of high temperature-resistance conveyor belt, makes material and comprises ethylene propylene diene rubber, government rubber, main crosslinking agent, assistant crosslinking agent, activator, aging inhibitor, adhesives, adhesion promoter, reinforcing agent, dispersing agent, soften flux, improves heat bonding performance by increasing adhesives, but only can life-saving, resistance to effect of heat and applicability cannot be improved.
Summary of the invention
The object of the present invention is to provide a kind of cement clinker dedicated conveyer belt, sound construction, resistance to elevated temperatures is good, and shock resistance is good, long service life.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of cement clinker dedicated conveyer belt, comprise covering glue layer, belt carcass and lower covering glue layer, described upper covering glue layer is made up of high temperature resistant glue-line and Heat-resistant adhesive cushion layer, is provided with high temperature resistant enhancing casing play between described Heat-resistant adhesive cushion layer and belt carcass.
High-temperature plastic layer thickness is 3-4mm, and the thickness of Heat-resistant adhesive cushion layer is 3-6mm.
Upper covering glue layer is driving surface, contact high-temperature material.High temperature resistant glue-line directly contacts with high-temperature material, and high temperature resistant glue-line has good heat insulation and heat dispersion, can adapt to high-temperature material well, and high temperature resistant glue-line has shock resistance preferably simultaneously, and the input that can adapt to high-temperature material is well impacted.High temperature resistant glue-line can tolerate the high temperature of the highest 800 DEG C.
The upper covering glue layer of conventional high temperature-resistance conveyor belt is single layer structure (namely only having high temperature resistant glue-line), high temperature resistant glue-line is due to when carrying high-temperature material, due to high temperature action meeting heat curing, affect normal groove forming character and the flexibility of load-transfer device, the binding force between high temperature resistant glue-line and belt carcass also can be caused significantly to decline, thus be full of cracks, come unstuck, cause scrapping, the life-span is shorter.The present invention has carried out modification to conveyer belt structure, changes upper covering glue layer (i.e. working surface layers) into double-decker, adds Heat-resistant adhesive cushion layer.First Heat-resistant adhesive cushion layer has higher resistance to effect of heat and good high temperature adhesives, at high temperature can also can firmly bond high temperature resistant glue-line like this, improve the anchoring strength of high temperature resistant glue-line, Heat-resistant adhesive cushion layer can also firmly be combined with casing play in high temperature environments simultaneously, and under preventing the condition of high temperature, upper covering glue layer and casing play come off.In addition, the toughness of Heat-resistant adhesive cushion layer is better, under heat insulation, the heat radiation and the combined action preferably of resistance to heat own of high temperature resistant glue-line, and the normal groove forming character of the hardening effect load-transfer device that can not be heated and flexibility.Heat-resistant adhesive cushion layer can provide buffering for the high temperature resistant glue-line of heat curing, improves shock resistance.
The present invention is also provided with special high temperature resistant enhancing casing play between upper covering glue layer and belt carcass, on the one hand, high temperature resistant enhancing casing play can strengthen the structural strength of load-transfer device, on the other hand, high temperature resistant enhancing casing play has good heat-insulating flame-retardant effect, energy protecting high temperature is to the erosion of belt carcass, improve the life-span of belt carcass, in addition, high temperature resistant enhancing casing play has good hole and roughness, Heat-resistant adhesive cushioning layer material can permeate contact zones wicking surface well, improve the adhesive surface condition of Heat-resistant adhesive cushion layer and belt carcass, the binding force of Heat-resistant adhesive cushion layer and belt carcass can be strengthened.
As preferably, the material prescription of described high temperature resistant glue-line is as follows by weight:
Ethylene-propylene diene copolymer 45-55 part, binary second third glue 35-45 part, butyl rubber 10-20 part, hard carbon black 30-50 part, high temperature resistant reinforced modifier 5-10 part, heat-resisting process oil 8-15 part, high-temperature fibre 2-5 part, zinc oxide 6-8 part, stearic acid 1-2 part, magnesium oxide 2-4 part, accelerant NOBS 1-1.5 part, carbowax 1-3 part, tackifier 4-6 part, aging inhibitor 1-3 part, vulcanizator 3-5 part; The summation of described ethylene-propylene diene copolymer, binary second third glue and butyl rubber is 100 parts.
The present invention has carried out modification to the material prescription of high temperature resistant glue-line, develops special material prescription, and structural strength is good, and resistance to elevated temperatures is good, and shock resistance is good.High temperature resistant reinforced modifier is with the addition of in high-temperature plastic layer material formula, not only can the well toughness of reinforcing material and intensity, and greatly can improve the thermal diffusivity of material, thus improve resistance to elevated temperatures.High-temperature fibre is with the addition of in high-temperature plastic layer material formula, can the effect of heat insulation of reinforcing material, thus improve resistance to elevated temperatures.High temperature resistant reinforced modifier coordinates with high-temperature fibre, works in coordination with and plays a role, and from heat insulation and heat radiation modification simultaneously, substantially increases the resistance to elevated temperatures of material.
With the addition of tackifier in high-temperature plastic layer material formula, the binding force of high temperature resistant glue-line and Heat-resistant adhesive cushion layer can be strengthened, improve interfacial bonding strength.
In high-temperature plastic layer material of the present invention formula, base glue adopts Ethylene Propylene Terpolymer and binary second third glue and use, and uses high-temperature fibre, solves the glue-line aging cracking defect in use procedure.Add butyl rubber in base glue, make glue-line bear high-temperature material long time running non-sclerous.Solve and pile up heat-dissipating because of cement powdery grog and cause driving surface rubber cover to harden after breach, the environmental pollution phenomenon that return material spilling causes.
As preferably, described high temperature resistant reinforced modifier is made up of the modified carbon nano-tube of 60%-80% and the nano alumina powder of 20-40% by weight percentage; The preparation method of described modified carbon nano-tube is as follows: carbon nanotube powders adds in the methanol solution of mass concentration 35-45% and is uniformly mixed to obtain premixed liquid by (1), premixed liquid is mixed with the volume ratio of acid solution according to 1:3-5, mechanical agitation 30-60min, filter, use water and absolute ethanol washing CNT respectively, then at 50-60 DEG C, vacuum desiccation 3-4h obtains elementary modified carbon nano-tube; The salpeter solution of described acid solution to be mass concentration be 4-6% and mass concentration are the compound of phosphoric acid solution according to 1:1-2 volume ratio of 10-12%;
By CNT is added in the methanol solution of mass concentration 35-45%, carbon nanotube dispersed can be made even, be beneficial to follow-up acid solution oxidation modification like this.Acid solution can make carbon nanotube hydrophilicity reduce, and lipophilic increases, thus improves the binding force of CNT and rubber, increases and strengthens effect.
(2) elementary modified carbon nano-tube being added mass concentration is in the silane coupling agent-ethanol solution of 6-8%, under logical condition of nitrogen gas, heat 50-80min at 55-65 DEG C, absolute ethanol washing 3-4 time, at 70-80 DEG C, vacuum desiccation 3-5h obtains modified carbon nano-tube.
The present invention adopts modified carbon nano-tube, make carbon tube-surface functional groupization, carbon pipe dispersiveness is promoted to remove the reuniting effect of CNT in rubber substrate, produce the covalent bond that can interlink with rubber substrate at carbon tube-surface simultaneously, make to form powerful covalently bonded between organic/inorganic two interface, when composite material is subject to external impacts, can impact energy be transferred to the stronger carbon pipe of intensity from the rubber substrate that intensity is more weak, by the deformation of carbon tubular elastic or distortion, and then impact energy is dissipated, reach best toughened and reinforced effect.
Silane coupled agent molecule produces silanol base after hydrolyzing, and CNT tentatively modified in its surface with hydroxyl, silanol base can condensation reaction capable of hydroxyl, slough a hydrone after condensation together, make with powerful the linking together of covalently bonded between silane coupling agent and CNT, and give CNT new functional group, this functional group can further with rubber effect, further raising binding ability, the intensity of reinforcing material and toughness.
The present invention, can not only the intensity of reinforcing material and toughness by adding high temperature resistant reinforced modifier, greatly can improve the resistance to elevated temperatures of material simultaneously.High temperature resistant reinforced modifier is made up of the modified carbon nano-tube of 60%-80% and the nano alumina powder of 20-40% by weight percentage, CNT itself has better heat dispersion, the resistance to elevated temperatures of material can be improved, nano alumina powder has excellent heat conductivility, modified carbon nano-tube is linked to be netted in the base, form skeleton, for nano aluminium oxide provides dispersing matrixes, nano aluminium oxide is attached on CNT wall, form high efficiency and heat radiation net, thus improve the resistance to elevated temperatures of material.
As preferably, described high-temperature fibre is shortly cut basalt fibre, and short length of cutting basalt fibre is 5-10mm.Short basalt fibre of cutting can the effect of heat insulation of reinforcing material, thus improves resistance to elevated temperatures.As preferably, the formula meter of described Heat-resistant adhesive cushion layer is as follows:
Ethylene-propylene diene copolymer 65-75 part, natural rubber 25-35 part, hard carbon black 45-55 part, heat-resisting process oil 8-15 part, zinc oxide 6-8 part, stearic acid 1-2 part, magnesium oxide 2-4 part, accelerant NOBS 1-1.5 part, tackifier 2-4 part, aging inhibitor 1-3 part, calcium stearate 4-6 part, vulcanizator 2-3 part; Described ethylene-propylene diene copolymer and natural rubber summation are 100 parts.
This invention exploits special Heat-resistant adhesive cushioning layer material formula.There is higher resistance to effect of heat and good high temperature adhesives, at high temperature can also can firmly bond high temperature resistant glue-line like this, improve the anchoring strength of high temperature resistant glue-line, Heat-resistant adhesive cushion layer can also firmly be combined with casing play in high temperature environments simultaneously, and under preventing the condition of high temperature, upper covering glue layer and casing play come off.In addition, toughness is better, under heat insulation, the heat radiation and the combined action preferably of resistance to heat own of high temperature resistant glue-line, and the normal groove forming character of the hardening effect load-transfer device that can not be heated and flexibility.Heat-resistant adhesive cushion layer can provide buffering for the high temperature resistant glue-line of heat curing, improves shock resistance.
As preferably, described heat-resisting process oil is paraffin oil.
As preferably, described tackifier are C5 petroleum resin E1310.
As preferably, described aging inhibitor is mixed by anti-aging agent RD, antioxidant NBC, RF-heat resistanceheat resistant oxygen agent and ceresine wax and forms.The aging inhibitor combination adopting the present invention special, works in coordination with and plays a role, the heat resistant excellent performance of material, effectively solves film surface be full of cracks problem.
As preferably, described vulcanizator is cumyl peroxide (DCP).
As preferably, described high temperature resistant enhancing casing play is basalt fibre asbeston.Through contriver's long felt, have found optimal high temperature resistant enhancing casing play material: basalt fibre asbeston, on the one hand, the structural strength of basalt fibre asbeston own is good, the structural strength of load-transfer device can be strengthened, on the other hand, basalt fibre asbeston has good heat-insulating flame-retardant effect, energy protecting high temperature is to the erosion of belt carcass, improve the life-span of belt carcass, in addition, basalt fibre asbeston has good hole and roughness, Heat-resistant adhesive cushioning layer material can permeate contact zones wicking surface well, improve the adhesive surface condition of Heat-resistant adhesive cushion layer and belt carcass, the binding force of Heat-resistant adhesive cushion layer and belt carcass can be strengthened.
The invention has the beneficial effects as follows: sound construction, resistance to elevated temperatures is good, and shock resistance is good, long service life.
Accompanying drawing explanation
Fig. 1 is a kind of cross-sectional configuration schematic diagram of the present invention.
In figure: 1, upper covering glue layer, 11, high temperature resistant glue-line, 12, Heat-resistant adhesive cushion layer, 2, belt carcass, 3, lower covering glue layer, 4, high temperature resistant enhancing casing play.
Detailed description of the invention
Below by specific embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
In the present invention, if not refer in particular to, the raw material adopted and equipment etc. all can be buied from market or this area is conventional.Method in following embodiment, if no special instructions, is the conventional approach of this area.
Embodiment 1:
As shown in Figure 1, a kind of cement clinker dedicated conveyer belt, comprise covering glue layer 1, belt carcass 2 (canvas) and lower covering glue layer 3, described upper covering glue layer 1 is made up of high temperature resistant glue-line 11 (thickness 3mm) and Heat-resistant adhesive cushion layer 12 (thickness 3mm), high temperature resistant enhancing casing play 4 (high temperature resistant enhancing casing play is basalt fibre asbeston, commercially available) is provided with between described Heat-resistant adhesive cushion layer 12 and belt carcass 2.Lower covering glue layer material is with high temperature resistant glue-line.
The material prescription of described high temperature resistant glue-line is as follows by weight:
Ethylene-propylene diene copolymer 45 parts, 45 parts, binary second third glue, butyl rubber 10 parts, hard carbon black (carbon black N330, commercially available) 30 parts, high temperature resistant reinforced modifier 10 parts, heat-resisting process oil (paraffin oil, commercially available) 8 parts, high-temperature fibre (shortly cuts basalt fibre, length is 5-10mm, commercially available) 2 parts, 6 parts, zinc oxide, stearic acid 1 part, 4 parts, magnesium oxide, accelerant NOBS (commercially available) 1 part, carbowax 1 part, tackifier (import Exxon C5 petroleum resin E1310, commercially available) 4 parts, aging inhibitor is (by anti-aging agent RD, antioxidant NBC, RF-heat resistanceheat resistant oxygen agent and ceresine wax mixing composition mix according to the mass ratio of 1:1:1:1, each composition is commercially available) 1 part, vulcanizator (cumyl peroxide) 5 parts.Described high temperature resistant reinforced modifier is made up of the modified carbon nano-tube of 60% and the nano alumina powder of 40% by weight percentage; The preparation method of described modified carbon nano-tube is as follows:
(1) carbon nanotube powders is added in the methanol solution of mass concentration 35% and be uniformly mixed to obtain premixed liquid, 1g carbon nanotube powders uses 10ml methanol solution, premixed liquid is mixed with the volume ratio of acid solution according to 1:5, mechanical agitation 60min, filter, use water and absolute ethanol washing CNT respectively, then at 50 DEG C, vacuum desiccation 4h obtains elementary modified carbon nano-tube; Described acid solution to be mass concentration be 4% salpeter solution and mass concentration be that the phosphoric acid solution of 12% is according to the compound of 1:1 volume ratio;
(2) elementary modified carbon nano-tube being added mass concentration is in silane coupling agent (the KH550)-ethanol solution of 6%, under logical condition of nitrogen gas, heat 80min at 55 DEG C, absolute ethanol washing 3 times, at 70 DEG C, vacuum desiccation 5h obtains modified carbon nano-tube.
The formula meter of Heat-resistant adhesive cushion layer is as follows:
Ethylene-propylene diene copolymer 65 parts, (concrete kind is smoke sheet rubber to natural rubber, commercially available) 35 parts, hard carbon black (carbon black N330, commercially available) 45 parts, heat-resisting process oil (paraffin oil, commercially available) 8 parts, 6 parts, zinc oxide, stearic acid 1 part, 4 parts, magnesium oxide, accelerant NOBS (commercially available) 1 part, tackifier (import Exxon C5 petroleum resin E1310, commercially available) 2 parts, aging inhibitor is (by anti-aging agent RD, antioxidant NBC, RF-heat resistanceheat resistant oxygen agent and ceresine wax mixing composition mix according to the mass ratio of 1:1:1:1, each composition is commercially available) 1 part, calcium stearate 4 parts, vulcanizator (cumyl peroxide) 3 parts.
Embodiment 2:
As shown in Figure 1, a kind of cement clinker dedicated conveyer belt, comprise covering glue layer 1, belt carcass 2 (canvas) and lower covering glue layer 3, described upper covering glue layer 1 is made up of high temperature resistant glue-line 11 (thickness 4mm) and Heat-resistant adhesive cushion layer 12 (thickness 6mm), high temperature resistant enhancing casing play 4 (high temperature resistant enhancing casing play is basalt fibre asbeston, commercially available) is provided with between described Heat-resistant adhesive cushion layer 12 and belt carcass 2.Lower covering glue layer material is with high temperature resistant glue-line.
The material prescription of described high temperature resistant glue-line is as follows by weight:
Ethylene-propylene diene copolymer 55 parts, 35 parts, binary second third glue, butyl rubber 10 parts, hard carbon black (carbon black N330, commercially available) 50 parts, high temperature resistant reinforced modifier 5 parts, heat-resisting process oil (paraffin oil, commercially available) 15 parts, high-temperature fibre (shortly cuts basalt fibre, length is 5-10mm, commercially available) 5 parts, 8 parts, zinc oxide, stearic acid 2 parts, 2 parts, magnesium oxide, accelerant NOBS (commercially available) 1.5 parts, carbowax 3 parts, tackifier (import Exxon C5 petroleum resin E1310, commercially available) 6 parts, aging inhibitor is (by anti-aging agent RD, antioxidant NBC, RF-heat resistanceheat resistant oxygen agent and ceresine wax mixing composition mix according to the mass ratio of 1:1:1:1, each composition is commercially available) 3 parts, vulcanizator (cumyl peroxide) 3 parts.
Described high temperature resistant reinforced modifier is made up of the modified carbon nano-tube of 80% and the nano alumina powder of 20% by weight percentage; The preparation method of described modified carbon nano-tube is as follows:
(1) carbon nanotube powders is added in the methanol solution of mass concentration 45% and be uniformly mixed to obtain premixed liquid, 1g carbon nanotube powders uses 10ml methanol solution, premixed liquid is mixed with the volume ratio of acid solution according to 1:3, mechanical agitation 30min, filter, use water and absolute ethanol washing CNT respectively, then at 60 DEG C, vacuum desiccation 3h obtains elementary modified carbon nano-tube; Described acid solution to be mass concentration be 6% salpeter solution and mass concentration be that the phosphoric acid solution of 10% is according to the compound of 1:2 volume ratio;
(2) elementary modified carbon nano-tube being added mass concentration is in silane coupling agent (the KH550)-ethanol solution of 8%, under logical condition of nitrogen gas, heat 50min at 65 DEG C, absolute ethanol washing 4 times, at 80 DEG C, vacuum desiccation 3h obtains modified carbon nano-tube.
The formula meter of Heat-resistant adhesive cushion layer is as follows:
Ethylene-propylene diene copolymer 75 parts, natural rubber 25 parts, hard carbon black (carbon black N330, commercially available) 55 parts, heat-resisting process oil (paraffin oil, commercially available) 15 parts, 8 parts, zinc oxide, stearic acid 2 parts, 2 parts, magnesium oxide, accelerant NOBS (commercially available) 1.5 parts, tackifier (import Exxon C5 petroleum resin E1310, commercially available) 4 parts, aging inhibitor is (by anti-aging agent RD, antioxidant NBC, RF-heat resistanceheat resistant oxygen agent and ceresine wax mixing composition mix according to the mass ratio of 1:1:1:1, each composition is commercially available) 3 parts, calcium stearate 6 parts, vulcanizator (cumyl peroxide) 2 parts.
Embodiment 3:
As shown in Figure 1, a kind of cement clinker dedicated conveyer belt, comprise covering glue layer 1, belt carcass 2 (canvas) and lower covering glue layer 3, described upper covering glue layer 1 is made up of high temperature resistant glue-line 11 (thickness 3mm) and Heat-resistant adhesive cushion layer 12 (thickness 4mm), high temperature resistant enhancing casing play 4 (high temperature resistant enhancing casing play is basalt fibre asbeston, commercially available) is provided with between described Heat-resistant adhesive cushion layer 12 and belt carcass 2.Lower covering glue layer material is with high temperature resistant glue-line.
The material prescription of described high temperature resistant glue-line is as follows by weight:
Ethylene-propylene diene copolymer 45 parts, 35 parts, binary second third glue, butyl rubber 20 parts, hard carbon black (carbon black N330, commercially available) 40 parts, high temperature resistant reinforced modifier 8 parts, heat-resisting process oil (paraffin oil, commercially available) 10 parts, high-temperature fibre (shortly cuts basalt fibre, length is 5-10mm, commercially available) 3 parts, 7 parts, zinc oxide, stearic acid 1.5 parts, 3 parts, magnesium oxide, accelerant NOBS (commercially available) 1 part, carbowax 2 parts, tackifier (import Exxon C5 petroleum resin E1310, commercially available) 5 parts, aging inhibitor is (by anti-aging agent RD, antioxidant NBC, RF-heat resistanceheat resistant oxygen agent and ceresine wax mixing composition mix according to the mass ratio of 1:1:1:1, each composition is commercially available) 2 parts, vulcanizator (cumyl peroxide) 4 parts.
Described high temperature resistant reinforced modifier is made up of the modified carbon nano-tube of 70% and the nano alumina powder of 30% by weight percentage; The preparation method of described modified carbon nano-tube is as follows:
(1) carbon nanotube powders is added in the methanol solution of mass concentration 40% and be uniformly mixed to obtain premixed liquid, 1g carbon nanotube powders uses 10ml methanol solution, premixed liquid is mixed with the volume ratio of acid solution according to 1:4, mechanical agitation 50min, filter, use water and absolute ethanol washing CNT respectively, then at 55 DEG C, vacuum desiccation 3.5h obtains elementary modified carbon nano-tube; Described acid solution to be mass concentration be 5% salpeter solution and mass concentration be that the phosphoric acid solution of 10% is according to the compound of 1:1.5 volume ratio; (2) elementary modified carbon nano-tube being added mass concentration is in silane coupling agent (the KH550)-ethanol solution of 7%, under logical condition of nitrogen gas, heat 60min at 60 DEG C, absolute ethanol washing 3 times, at 75 DEG C, vacuum desiccation 4h obtains modified carbon nano-tube.
The formula meter of Heat-resistant adhesive cushion layer is as follows:
Ethylene-propylene diene copolymer 70 parts, natural rubber (commercially available) 30 parts, hard carbon black (carbon black N330, commercially available) 50 parts, heat-resisting process oil (paraffin oil, commercially available) 10 parts, 7 parts, zinc oxide, stearic acid 1.5 parts, 3 parts, magnesium oxide, accelerant NOBS (commercially available) 1.5 parts, tackifier (import Exxon C5 petroleum resin E1310, commercially available) 3 parts, aging inhibitor is (by anti-aging agent RD, antioxidant NBC, RF-heat resistanceheat resistant oxygen agent and ceresine wax mixing composition mix according to the mass ratio of 1:1:1:1, each composition is commercially available) 2 parts, calcium stearate 5 parts, vulcanizator (cumyl peroxide) 2.5 parts.
Preparation method of the present invention is as follows:
(1) high temperature resistant glue-line preparation
One section mixing: ethylene-propylene diene copolymer, binary second third glue, butyl rubber, high temperature resistant reinforced modifier, zinc oxide, stearic acid, magnesium oxide, accelerant NOBS, carbowax, tackifier and aging inhibitor are added Banbury mixer precompressed mixing 1.5 minutes, melting temperature 70 DEG C, add hard carbon black and heat-resisting process oil carries out high speed mixing 1.5 minutes, melting temperature 70 DEG C, add high-temperature fibre again and carry out mixing 1 minute, melting temperature 70 DEG C, obtains one section of elastomeric compound after parking 24h;
Two-stage mixing: add vulcanizator mixing 3 minutes in one section of elastomeric compound, melting temperature 60 DEG C, then binder removal, obtains high-temperature plastic layer material, calendering obtains high temperature resistant glue-line.
(2) Heat-resistant adhesive cushion layer preparation
One section mixing: ethylene-propylene diene copolymer, natural rubber, zinc oxide, stearic acid, magnesium oxide, accelerant NOBS, tackifier, aging inhibitor and calcium stearate are added Banbury mixer precompressed mixing 1.5 minutes, melting temperature 70 DEG C, add hard carbon black and mixing 1.5 minutes of heat-resisting process oil high speed, melting temperature 70 DEG C, obtains one section of elastomeric compound after parking 24h;
Two-stage mixing: add vulcanizator mixing 3 minutes in one section of elastomeric compound, melting temperature 70 DEG C, then binder removal, obtains Heat-resistant adhesive cushioning layer material, calendering obtains Heat-resistant adhesive cushion layer.
(3) by high temperature resistant glue-line, Heat-resistant adhesive cushion layer, high temperature resistant enhancing casing play, belt carcass and lower covering glue layer compound, sulfuration, vulcanisation step and parameter as follows:
First step sulfuration under the pressure of 0.2-0.4Mpa, temperature at 145 ± 5 DEG C, time 1-3min;
Second step sulfuration is under the pressure of 1.5-3Mpa, and temperature is at 150 ± 5 DEG C, and time 30-60min, makes between each layer tight, reach molecule combination degree.
As follows to the performance testing of high temperature resistant glue-line of the present invention and Heat-resistant adhesive cushioning layer material:
Hardness: GB/T 531.1-2008 detects.Pulling strengrth, 300% tensile modulus, elongation rate of tensile failure, permanent set: GB/T528-1998, GB/T 7759-1996 detection.Proportion: GB/T533-2008 detects.Abrasion: ASTM D1630-2006 detects.
As seen from the above table, each rubber layer excellent performance of load-transfer device of the present invention.Conventional conveyor belt is 1-3 month service life in addition, and the present invention can use 5-7 month, and the life-span is long.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (10)
1. a cement clinker dedicated conveyer belt, comprise covering glue layer, belt carcass and lower covering glue layer, is characterized in that: described upper covering glue layer is made up of high temperature resistant glue-line and Heat-resistant adhesive cushion layer, is provided with high temperature resistant enhancing casing play between described Heat-resistant adhesive cushion layer and belt carcass.
2. cement clinker dedicated conveyer belt according to claim 1, is characterized in that: the material prescription of described high temperature resistant glue-line is as follows by weight:
Ethylene-propylene diene copolymer 45-55 part, binary second third glue 35-45 part, butyl rubber 10-20 part, hard carbon black 30-50 part, high temperature resistant reinforced modifier 5-10 part, heat-resisting process oil 8-15 part, high-temperature fibre 2-5 part, zinc oxide 6-8 part, stearic acid 1-2 part, magnesium oxide 2-4 part, accelerant NOBS 1-1.5 part, carbowax 1-3 part, tackifier 4-6 part, aging inhibitor 1-3 part, vulcanizator 3-5 part; The summation of described ethylene-propylene diene copolymer, binary second third glue and butyl rubber is 100 parts.
3. cement clinker dedicated conveyer belt according to claim 2, is characterized in that: described high temperature resistant reinforced modifier is made up of the modified carbon nano-tube of 60%-80% and the nano alumina powder of 20-40% by weight percentage; The preparation method of described modified carbon nano-tube is as follows:
(1) carbon nanotube powders is added in the methanol solution of mass concentration 35-45% and be uniformly mixed to obtain premixed liquid, premixed liquid is mixed with the volume ratio of acid solution according to 1:3-5, mechanical agitation 30-60min, filter, use water and absolute ethanol washing CNT respectively, then at 50-60 DEG C, vacuum desiccation 3-4h obtains elementary modified carbon nano-tube; The salpeter solution of described acid solution to be mass concentration be 4-6% and mass concentration are the compound of phosphoric acid solution according to 1:1-2 volume ratio of 10-12%;
(2) elementary modified carbon nano-tube being added mass concentration is in the silane coupling agent-ethanol solution of 6-8%, under logical condition of nitrogen gas, heat 50-80min at 55-65 DEG C, absolute ethanol washing 3-4 time, at 70-80 DEG C, vacuum desiccation 3-5h obtains modified carbon nano-tube.
4. cement clinker dedicated conveyer belt according to claim 2, is characterized in that: described high-temperature fibre is shortly cut basalt fibre, and short length of cutting basalt fibre is 5-10mm.
5. cement clinker dedicated conveyer belt according to claim 1, is characterized in that: the formula meter of described Heat-resistant adhesive cushion layer is as follows:
Ethylene-propylene diene copolymer 65-75 part, natural rubber 25-35 part, hard carbon black 45-55 part, heat-resisting process oil 8-15 part, zinc oxide 6-8 part, stearic acid 1-2 part, magnesium oxide 2-4 part, accelerant NOBS 1-1.5 part, tackifier 2-4 part, aging inhibitor 1-3 part, calcium stearate 4-6 part, vulcanizator 2-3 part; Described ethylene-propylene diene copolymer and natural rubber summation are 100 parts.
6. the cement clinker dedicated conveyer belt according to claim 2 or 5, is characterized in that: described heat-resisting process oil is paraffin oil.
7. the cement clinker dedicated conveyer belt according to claim 2 or 5, is characterized in that: described tackifier are C5 petroleum resin E1310.
8. the cement clinker dedicated conveyer belt according to claim 2 or 5, is characterized in that: described aging inhibitor is mixed by anti-aging agent RD, antioxidant NBC, RF-heat resistanceheat resistant oxygen agent and ceresine wax and forms.
9. the cement clinker dedicated conveyer belt according to claim 2 or 5, is characterized in that: described vulcanizator is cumyl peroxide.
10. the cement clinker dedicated conveyer belt according to claim 1 or 2 or 5, is characterized in that: described high temperature resistant enhancing casing play is basalt fibre asbeston.
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| CN106084499A (en) * | 2016-07-25 | 2016-11-09 | 崔贵民 | The endless belt rubberizing of thermal resistance and acid-alkali resistance paper tube, preparation method and paper tube endless belt |
| CN109809106A (en) * | 2018-11-28 | 2019-05-28 | 青岛环球输送带有限公司 | A kind of dedicated heat resistance conveyor belt of large junk and its preparation process |
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| CN104860000B (en) | 2016-02-03 |
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Address after: 317100 No. 518, Guangming Middle Road, Haiyou street, Sanmen County, Taizhou City, Zhejiang Province Patentee after: Sanwei Holding Group Co.,Ltd. Address before: 317100 Zhejiang Sanwei rubber products Co., Ltd., Haiyou Town, Xiakeng village, Sanmen County, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG SANWEI RUBBER ITEM Co.,Ltd. |
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Application publication date: 20150826 Assignee: Zhejiang Shuangfeng Chemical Fiber Co.,Ltd. Assignor: Sanwei Holding Group Co.,Ltd. Contract record no.: X2023330000441 Denomination of invention: Special conveyor belt for cement clinker Granted publication date: 20160203 License type: Common License Record date: 20230724 Application publication date: 20150826 Assignee: Zhejiang Sanmen County Junyu Textile Co.,Ltd. Assignor: Sanwei Holding Group Co.,Ltd. Contract record no.: X2023330000440 Denomination of invention: Special conveyor belt for cement clinker Granted publication date: 20160203 License type: Common License Record date: 20230724 |