CN101648644A - Metal net firing-resistant conveyer belt and production method thereof - Google Patents
Metal net firing-resistant conveyer belt and production method thereof Download PDFInfo
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- CN101648644A CN101648644A CN200810147350A CN200810147350A CN101648644A CN 101648644 A CN101648644 A CN 101648644A CN 200810147350 A CN200810147350 A CN 200810147350A CN 200810147350 A CN200810147350 A CN 200810147350A CN 101648644 A CN101648644 A CN 101648644A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000010304 firing Methods 0.000 title claims abstract description 15
- 239000010410 layer Substances 0.000 claims abstract description 50
- 239000003292 glue Substances 0.000 claims abstract description 41
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 230000007704 transition Effects 0.000 claims abstract description 11
- 239000002344 surface layer Substances 0.000 claims abstract description 7
- 239000012792 core layer Substances 0.000 claims abstract description 6
- 238000003490 calendering Methods 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 238000004073 vulcanization Methods 0.000 claims abstract description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 36
- 238000001354 calcination Methods 0.000 claims description 32
- 238000007667 floating Methods 0.000 claims description 21
- 239000000853 adhesive Substances 0.000 claims description 19
- 230000001070 adhesive effect Effects 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 19
- 235000021355 Stearic acid Nutrition 0.000 claims description 18
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 18
- 239000006229 carbon black Substances 0.000 claims description 18
- 239000000395 magnesium oxide Substances 0.000 claims description 18
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 18
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 18
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 18
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 18
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 18
- 239000008117 stearic acid Substances 0.000 claims description 18
- 239000011787 zinc oxide Substances 0.000 claims description 18
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 12
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 claims description 12
- 230000003712 anti-aging effect Effects 0.000 claims description 12
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 claims description 12
- 239000000460 chlorine Substances 0.000 claims description 12
- 229910052801 chlorine Inorganic materials 0.000 claims description 12
- REQPQFUJGGOFQL-UHFFFAOYSA-N dimethylcarbamothioyl n,n-dimethylcarbamodithioate Chemical compound CN(C)C(=S)SC(=S)N(C)C REQPQFUJGGOFQL-UHFFFAOYSA-N 0.000 claims description 12
- 239000001993 wax Substances 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 11
- 239000005060 rubber Substances 0.000 claims description 11
- 229920002943 EPDM rubber Polymers 0.000 claims description 10
- 239000001828 Gelatine Substances 0.000 claims description 10
- 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 10
- 229920000159 gelatin Polymers 0.000 claims description 10
- 235000019322 gelatine Nutrition 0.000 claims description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 9
- 210000001161 mammalian embryo Anatomy 0.000 claims description 9
- 238000005987 sulfurization reaction Methods 0.000 claims description 9
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 239000005864 Sulphur Substances 0.000 claims description 6
- 229920006271 aliphatic hydrocarbon resin Polymers 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000010987 cubic zirconia Substances 0.000 claims description 6
- 239000012188 paraffin wax Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 5
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 claims description 5
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
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- 230000008901 benefit Effects 0.000 abstract description 2
- 230000032798 delamination Effects 0.000 abstract description 2
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- 235000021317 phosphate Nutrition 0.000 description 4
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- 239000003063 flame retardant Substances 0.000 description 3
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- 229910052717 sulfur Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a firing-resistant conveyer belt of a metal mesh and a production method thereof, wherein the conveyer belt comprises a framework core layer and a heat-resistant strong transition layer coated on the outer surface of the framework core layer, the upper surface of the heat-resistant strong transition layer is covered with a high-temperature firing-resistant surface layer, and the framework core layer is composed of a metal framework and an intermediate glue layer extruded into the metal framework. The production method comprises the steps of plastication, mixing, calendering, molding and vulcanization. The multi-layer structure of the invention can greatly improve the high temperature resistance of the conveyer belt, has the advantages of high strength, no delamination and foaming during conveying and the like, has the characteristics of small strength loss at high temperature, no shrinkage deformation and difficult fracture, and greatly prolongs the service life of the conveyer belt.
Description
Technical field
The present invention relates to a kind of mechanically operated load-transfer device that is used for, specifically, relate to a kind of load-transfer device and production method thereof that is used for the transmission of material under the hot conditions.
Background technology
The load-transfer device that existing mechanical power transmits is the framework material load-transfer device with cotton canvas, high temperature low-shrinkage cloth, and heat resisting temperature is low; This load-transfer device is because the shape of casing play own, in the convey materials process, because temperature of charge height, adhesive tape service life is short, and is not yielding, shock-resistant and tear, casing play is easy to fracture, easily cause the hidden danger of safety misadventure, also can cause the damage of feedway simultaneously, waste great amount of manpower, financial resources.In addition, also have some novel load-transfer devices on the market, but its high temperature resistant anti-calcination ability is still limited, can not satisfy the needs of actual production process at conveyor belt surface interpolation high temperature material.
Summary of the invention
The objective of the invention is to deficiencies such as poor at the heat-resisting ability of existing transmission, load-transfer device existence, that service life is low, a kind of novel load-transfer device of anti-calcination the and production method thereof of later-model multi-ply construction is provided.
Technical scheme of the present invention is: a kind of firing resistant conveying belt for metal screen, comprise the skeleton sandwich layer, and the heat-resisting powerful cambic horizon of skeleton sandwich layer outside face coating, be coated with high temperature resistant calcination top layer at heat-resisting powerful cambic horizon upper surface, described skeleton sandwich layer is by metallic framework and be squeezed into that intermediate gelatine layer constitutes in the metallic framework, and described high temperature resistant calcination top layer is made of by weight following material:
Ethylene propylene diene rubber 55-65 part poly-chloroprene rubber 35-45 part
TM monex TD 1.0-1.5 part accelerant CZ 1.5-2.0 part
Vulcanizator TAIC 1.5-2.5 part zinc oxide 10-15 part
Magnesium oxide 3-6 part stearic acid 0.8-1.2 part
Carbon black N220 35-45 part pentaerythrite 18-25 part
Antioxidant 4010NA 0.8-1.2 part anti-aging agent RD 0.8-1.2 part
Antimony oxide 7-15 part deca-BDE 4-7 part
APP 6-10 part triaryl phosphate 6-10 part;
Described heat-resisting powerful cambic horizon is made of by weight following material:
Poly-chloroprene rubber 45-55 part GB 1# glue 45-55 part
Zinc oxide 10-15 part magnesium oxide 3-5 part
Accelerant CZ 0.8-1.2 part TM monex TD 1-3 part
Stearic acid 1.2-1.8 part paraffin 0.8-1.2 part
Deca-BDE 5-8 part C5 resin 3-5 part
Carbon black N220 55-65 part antioxidant 4010NA 0.8-1.2 part
Anti-aging agent RD 0.8-1.2 part 7% chlorine wax 22-27 part
Antimony oxide 8-15 part;
Described intermediate gelatine layer is made of by weight following material:
Butylbenzene 1500 90-120 part reclaimed rubber 55-65 parts
Zinc oxide 8-15 part magnesium oxide 0.8-1.2 part
Stearic acid 1-4 part antioxidant SP 1-4 part
Cobalt naphthenate 3-6 part adhesives RE 1.2-1.8 part
White carbon 5-8 part accelerant N OBS 1.5-2.5 part
Carbon black N330 65-75 part 52% chlorine wax 15-20 part
Antimony oxide 5-8 part sulphur 2-3 part
Adhesive A 1.0-1.5 part.
Preferably, described metallic framework is a metal spiral net whole belt core.
Another object of the present invention provides a kind of production method of above-mentioned firing resistant conveying belt for metal screen, and described production method may further comprise the steps:
1) plasticates: poly-chloroprene rubber and ethylene-propylene-diene monomer in the batching are plasticated;
2) mixing: as to carry out mixingly with Banbury mixer, make the half-blank of high temperature resistant calcination top layer, heat-resisting powerful cambic horizon and intermediate gelatine layer respectively;
3) calendering: will mix half-blank sizing material high temperature resistant calcination surface layer adhesive and heat-resisting powerful transition glue and make smooth film respectively with tri-roll press machine, and by thickness requirement middle glue be clamp-oned metal gauze inside with four-roll calender with regulation section thickness and width by different dimensional characteristics;
4) moulding: compound film on workbench;
5) sulfuration: will become good band embryo to put into vulcanizing press and vulcanize.
Preferably, in mixing process, comprise following a few part:
(1) high temperature resistant calcination surface layer adhesive is mixing: stearic acid, carbon black N220, pentaerythrite, anti-aging agent RD, antimony oxide, deca-BDE are all dropped into banburying chamber, caving bolt pressurization 1-2 minute; Rise floating weight, drop into accelerant CZ, magnesium oxide, antioxidant 4010NA, APP, triaryl phosphate more successively, caving bolt pressurization 1-2 minute; Rise floating weight, drop into the ethylene propylene diene rubber and the poly-chloroprene rubber of plasticating, caving bolt pressurization 4 minutes, binder removal; Change mill, roller temperature is below 90 ℃, roll spacing 5～7mm, and gradation adds TM monex TD, vulcanizator TAIC, zinc oxide, suffers all and then plays 4～6 of triangle bags, following sheet;
(2) heat-resisting powerful transition glue is mixing: the poly-chloroprene rubber that will plasticate and international 1# glue all drop into banburying chamber, caving bolt pressurization 2 minutes; Rise floating weight, drop into magnesium oxide, accelerant CZ, stearic acid, paraffin, deca-BDE, C5 resin, antioxidant 4010NA, anti-aging agent RD, 7% chlorine wax, antimony oxide successively, caving bolt pressurization 2.5 minutes; Rise floating weight, drop into carbon black N220, caving bolt pressed temperature to 105～110 ℃, binder removal; Change mill, roller temperature is below 90 ℃, roll spacing 5～7mm, and gradation adds TM monex TD, zinc oxide, suffers all and then plays 4～6 of triangle bags, following sheet;
(3) glue is mixing in the middle of: butylbenzene 1500, reclaimed rubber in the middle glue prescription charging sequence are all dropped into banburying chamber, caving bolt pressurization 2 minutes; Rise floating weight, drop into zinc oxide, magnesium oxide, stearic acid, antioxidant SP, adhesives RE, white carbon, antimony oxide successively, caving bolt pressurization 2 minutes; Rise floating weight, drop into cobalt naphthenate, carbon black N330, caving bolt pressurization 2 minutes rises floating weight, drops into 52% chlorine wax to dump temperature 115～120 binder removals; Change mill, roller temperature is below 90 ℃, roll spacing 5～7mm, and gradation adds accelerant N OBS, adhesive A, and sulphur is suffered all and is then played 3～5 of triangle bags, following sheet.
Preferably, top roll required 85～95 ℃ when high temperature resistant calcination surface layer adhesive was rolled, and central roll requires 80～90 ℃, and lower roll requires 90～100 ℃; Top roll required 85～90 ℃ when heat-resisting powerful transition glue rolled, and central roll requires 75～85 ℃, and lower roll requires 70～75 ℃; Middle rubber roll temperature requires 80～95 ℃.
Preferably, described forming step is:
1) during compound film, earlier heat-resisting powerful cambic horizon and high temperature resistant calcination top layer are fit together, again with the skeleton sandwich layer applying that presses;
2) top glue, limit glue thickness is consistent with the skeleton core layer thickness, and limit glue is close to the skeleton sandwich layer;
3) gone up the heat-resisting powerful cambic horizon on the high temperature resistant calcination top layer of having fitted on last behind the glue of limit;
4) a/s width prescinds unnecessary film.
Preferably described vulcanisation step is: the band embryo of forming put into vulcanizing press vulcanizes, and under 158 ℃～160 ℃ temperature, unit pressure 3.2～3.5Mpa/cm
2, through 38 minutes constant temperature, finishing to the time sulfuration, release is pulled out vulcanizer with the adhesive tape that vulcanizates, and vulcanizes next section band embryo again, vulcanizes successively, till whole sulfurations are intact.
Beneficial effect of the present invention is: adopting metal spiral net whole belt core is casing play, is made of high temperature resistant calcination layer, heat-resisting powerful cambic horizon and intermediate gelatine layer.High temperature resistant calcination layer formula design is unique, employing is based on ethylene propylene diene rubber, material such as fire retardant, heat proof material, resin in addition, adopted non-sulfur cross-linking system (without sulfur cross-linking, use other vulcanizator instead, can increase calcination), solved because of shortcomings such as EP rubbers degree of saturation specific humidity height, poor adhesion, improve the anti-calcination of calcination layer greatly, tape surface can form fine and close carburization zone rapidly and reach the effect of heat insulation anti-calcination, the service life of having improved load-transfer device greatly under the condition of high temperature; The heat-resisting cambic horizon of high-tenacity adopts based on natural rubber and poly-chloroprene rubber, and in addition materials such as reinforcing agent, activating agent, fire retardant have resistance to effect of heat and can stop heat further to transmit in band, the effect of reduction adhesive tape internal intensity; To adopt buna-S be main to glue in the middle of the load-transfer device, and in addition reinforcing agent, extending agent, adhesives, fire retardant have adopted the sulfur cross-linking system to increase the bond strength of rubber and metal gauze, make load-transfer device have powerful height, advantage such as not delamination foaming in the conveying; Adopting copper facing metal spiral net whole belt core is casing play, can increase the load-transfer device binding power, anti-puncture, anti tear, and it is little to have under the high temperature loss of strength, not shrinkage distortion, the characteristic of easy fracture not.Prolonged the service life of load-transfer device greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a flow sheet of the present invention.
The specific embodiment
Specific embodiments of the invention as shown in Figure 1, a kind of firing resistant conveying belt for metal screen, comprise the skeleton sandwich layer, and the heat-resisting powerful cambic horizon 2 of skeleton sandwich layer outside face coating, be coated with high temperature resistant calcination top layer 1 at heat-resisting powerful cambic horizon 2 upper surfaces, described skeleton sandwich layer is made of metal spiral net whole belt core 4 and the intermediate gelatine layers 3 that are squeezed in the metal spiral net whole belt core 4, and described high temperature resistant calcination top layer 1 is made of by weight following material:
60 parts of ethylene propylene diene rubbers, 40 parts of poly-chloroprene rubbers, 1.2 parts of TM monex TD, 1.8 parts of accelerant CZs, 2.0 parts of vulcanizator TAIC, 12 parts in zinc oxide, 4 parts in magnesium oxide, 1 part of stearic acid, 40 parts of carbon black N220,20 parts of pentaerythrites, 1 part of antioxidant 4010NA, 1 part of anti-aging agent RD, 10 parts of antimony oxides, 5 parts of deca-BDEs, 8 parts of APP, 8 parts of triaryl phosphates;
Described heat-resisting powerful cambic horizon 2 is made of by weight following material:
50 parts of poly-chloroprene rubbers, 50 parts in GB 1# glue, 13 parts in zinc oxide, 4 parts in magnesium oxide, 1 part of accelerant CZ, 2 parts of TM monex TD, 1.5 parts of stearic acid, 1 part in paraffin, 6 parts of deca-BDEs, 4 parts of C5 resins, 60 parts of carbon black N220,1 part of antioxidant 4010NA, 1 part of anti-aging agent RD, 25 parts in 7% chlorine wax, 10 parts of antimony oxides;
Described intermediate gelatine layer 3 is made of by weight following material:
1,500 100 parts of butylbenzene, 60 parts of reclaimed rubbers, 13 parts in zinc oxide, 1 part in magnesium oxide, 2 parts of stearic acid, 2 parts of antioxidant SPs, 4 parts of cobalt naphthenates, 1.5 parts of adhesives RF, 6 parts of white carbons, 70 parts of 2 parts of accelerant N OBS, carbon black N330,18 parts in 52% chlorine wax, 6 parts of antimony oxides, 2.6 parts in sulphur, 1.2 parts of adhesive As.
The production method of a kind of above-mentioned firing resistant conveying belt for metal screen as shown in Figure 2, described production method may further comprise the steps:
1) plasticates: poly-chloroprene rubber and ethylene-propylene-diene monomer in the batching are plasticated;
2) mixing: as to carry out mixingly with Banbury mixer, make the half-blank of high temperature resistant calcination top layer 1, heat-resisting powerful cambic horizon 2 and intermediate gelatine layer 3 respectively;
3) calendering: will mix high temperature resistant calcination top layer half-blank sizing material 1 glue and heat-resisting powerful transition glue and make smooth film respectively with tri-roll press machine, and by thickness requirement middle glue be clamp-oned metal gauze inside with four-roll calender with regulation section thickness and width by different dimensional characteristics;
4) moulding: compound film on workbench;
5) sulfuration: will become good band embryo to put into vulcanizing press and vulcanize.
In mixing process, comprise following a few part:
(1) high temperature resistant calcination top layer 1 glue is mixing: stearic acid, carbon black N220, pentaerythrite, anti-aging agent RD, antimony oxide, deca-BDE are all dropped into banburying chamber, caving bolt pressurization 1-2 minute; Rise floating weight, drop into accelerant CZ, magnesium oxide, antioxidant 4010NA, APP, triaryl phosphate more successively, caving bolt pressurization 1-2 minute; Rise floating weight, drop into the ethylene propylene diene rubber and the poly-chloroprene rubber of plasticating, caving bolt pressurization 4 minutes, binder removal; Change mill, roller temperature is below 90 ℃, roll spacing 5～7mm, and gradation adds TM monex TD, vulcanizator TAIC, zinc oxide, suffers all and then plays 4～6 of triangle bags, following sheet;
(2) heat-resisting powerful transition glue is mixing: the poly-chloroprene rubber that will plasticate and international 1# glue all drop into banburying chamber, caving bolt pressurization 2 minutes; Rise floating weight, drop into magnesium oxide, accelerant CZ, stearic acid, paraffin, deca-BDE, C5 resin, antioxidant 4010NA, anti-aging agent RD, 7% chlorine wax, antimony oxide successively, caving bolt pressurization 2.5 minutes; Rise floating weight, drop into carbon black N220, caving bolt pressed temperature to 105～110 ℃, binder removal; Change mill, roller temperature is below 90 ℃, roll spacing 5～7mm, and gradation adds TM monex TD, zinc oxide, suffers all and then plays 4～6 of triangle bags, following sheet;
(3) glue is mixing in the middle of: butylbenzene 1500, reclaimed rubber in the middle glue prescription charging sequence are all dropped into banburying chamber, caving bolt pressurization 2 minutes; Rise floating weight, drop into zinc oxide, magnesium oxide, stearic acid, antioxidant SP, adhesives RE, white carbon, antimony oxide successively, caving bolt pressurization 2 minutes; Rise floating weight, drop into cobalt naphthenate, carbon black N330, caving bolt pressurization 2 minutes rises floating weight, drops into 52% chlorine wax to dump temperature 115～120 binder removals; Change mill, roller temperature is below 90 ℃, roll spacing 5～7mm, and gradation adds accelerant N OBS, adhesive A, and sulphur is suffered all and is then played 3～5 of triangle bags, following sheet.
In the calender line, high temperature resistant calcination top layer 1 glue laminated time-delay top roll requires 85～95 ℃, and central roll requires 80～90 ℃, and lower roll requires 90～100 ℃; Top roll required 85～90 ℃ when heat-resisting powerful transition glue rolled, and central roll requires 75～85 ℃, and lower roll requires 70～75 ℃; Middle rubber roll temperature requires 80～95 ℃.
Described forming step is:
1) during compound film, earlier heat-resisting powerful cambic horizon 2 is fit together with high temperature resistant calcination top layer 1, fit with the skeleton sandwich layer that presses again;
2) top glue, limit glue thickness is consistent with the skeleton core layer thickness, and limit glue is close to the skeleton sandwich layer;
3) gone up the heat-resisting powerful cambic horizon 2 on the high temperature resistant calcination top layer 1 of having fitted on last behind the glue of limit;
4) a/s width prescinds unnecessary film.
Described vulcanisation step is: the band embryo of forming put into vulcanizing press vulcanizes, and under 158 ℃～160 ℃ temperature, unit pressure 3.2～3.5Mpa/cm
2, through 38 minutes constant temperature, finishing to the time sulfuration, release is pulled out vulcanizer with the adhesive tape that vulcanizates, and vulcanizes next section band embryo again, vulcanizes successively, till whole sulfurations are intact.
Claims (7)
1. firing resistant conveying belt for metal screen, comprise the skeleton sandwich layer, and the heat-resisting powerful cambic horizon of skeleton sandwich layer outside face coating, be coated with high temperature resistant calcination top layer at heat-resisting powerful cambic horizon upper surface, it is characterized in that, described skeleton sandwich layer is by metallic framework and be squeezed into that intermediate gelatine layer constitutes in the metallic framework, and described high temperature resistant calcination top layer is made of by weight following material:
Ethylene propylene diene rubber 55-65 part poly-chloroprene rubber 35-45 part
TM monex TD 1.0-1.5 part accelerant CZ 1.5-2.0 part
Vulcanizator TAIC 1.5-2.5 part zinc oxide 10-15 part
Magnesium oxide 3-6 part stearic acid 0.8-1.2 part
Carbon black N220 35-45 part pentaerythrite 18-25 part
Antioxidant 4010NA 0.8-1.2 part anti-aging agent RD 0.8-1.2 part
Antimony oxide 7-15 part deca-BDE 4-7 part
APP 6-10 part triaryl phosphate 6-10 part;
Described heat-resisting powerful cambic horizon is made of by weight following material:
Poly-chloroprene rubber 45-55 part GB 1# glue 45-55 part
Zinc oxide 10-15 part magnesium oxide 3-5 part
Accelerant CZ 0.8-1.2 part TM monex TD 1-3 part
Stearic acid 1.2-1.8 part paraffin 0.8-1.2 part
Deca-BDE 5-8 part C5 resin 3-5 part
Carbon black N220 55-65 part antioxidant 4010NA 0.8-1.2 part
Anti-aging agent RD 0.8-1.2 part 7% chlorine wax 22-27 part
Antimony oxide 8-15 part;
Described intermediate gelatine layer is made of by weight following material:
Butylbenzene 1500 90-120 part reclaimed rubber 55-65 parts
Zinc oxide 8-15 part magnesium oxide 0.8-1.2 part
Stearic acid 1-4 part antioxidant SP 1-4 part
Cobalt naphthenate 3-6 part adhesives RE 1.2-1.8 part
White carbon 5-8 part accelerant N OBS 1.5-2.5 part
Carbon black N330 65-75 part 52% chlorine wax 15-20 part
Antimony oxide 5-8 part sulphur 2-3 part
Adhesive A 1.0-1.5 part.
2. firing resistant conveying belt for metal screen as claimed in claim 1 is characterized in that: described metallic framework is a metal spiral net whole belt core.
3. the production method of firing resistant conveying belt for metal screen as claimed in claim 1 is characterized in that, described production method may further comprise the steps:
1) plasticates: poly-chloroprene rubber and ethylene-propylene-diene monomer in the batching are plasticated;
2) mixing: as to carry out mixingly with Banbury mixer, make the half-blank of high temperature resistant calcination top layer, heat-resisting powerful cambic horizon and intermediate gelatine layer respectively;
3) calendering: will mix half-blank sizing material high temperature resistant calcination surface layer adhesive and heat-resisting powerful transition glue and make smooth film respectively with tri-roll press machine, and by thickness requirement middle glue be clamp-oned metal gauze inside with four-roll calender with regulation section thickness and width by different dimensional characteristics;
4) moulding: compound film on workbench;
5) sulfuration: will become good band embryo to put into vulcanizing press and vulcanize.
4. the production method of firing resistant conveying belt for metal screen as claimed in claim 3 is characterized in that, in mixing process,
(1) high temperature resistant calcination surface layer adhesive is mixing: stearic acid, carbon black N220, pentaerythrite, anti-aging agent RD, antimony oxide, deca-BDE are all dropped into banburying chamber, caving bolt pressurization 1-2 minute; Rise floating weight, drop into accelerant CZ, magnesium oxide, antioxidant 4010NA, APP, triaryl phosphate more successively, caving bolt pressurization 1-2 minute; Rise floating weight, drop into the ethylene propylene diene rubber and the poly-chloroprene rubber of plasticating, caving bolt pressurization 4 minutes, binder removal; Change mill, roller temperature is below 90 ℃, roll spacing 5～7mm, and gradation adds TM monex TD, vulcanizator TAIC, zinc oxide, suffers all and then plays 4～6 of triangle bags, following sheet;
(2) heat-resisting powerful transition glue is mixing: the poly-chloroprene rubber that will plasticate and international 1# glue all drop into banburying chamber, caving bolt pressurization 2 minutes; Rise floating weight, drop into magnesium oxide, accelerant CZ, stearic acid, paraffin, deca-BDE, C5 resin, antioxidant 4010NA, anti-aging agent RD, 7% chlorine wax, antimony oxide successively, caving bolt pressurization 2.5 minutes; Rise floating weight, drop into carbon black N220, caving bolt pressed temperature to 105～110 ℃, binder removal; Change mill, roller temperature is below 90 ℃, roll spacing 5～7mm, and gradation adds TM monex TD, zinc oxide, suffers all and then plays 4～6 of triangle bags, following sheet;
(3) glue is mixing in the middle of: butylbenzene 1500, reclaimed rubber in the middle glue prescription charging sequence are all dropped into banburying chamber, caving bolt pressurization 2 minutes; Rise floating weight, dropped into zinc oxide, magnesium oxide, stearic acid, antioxidant SP, adhesives RE, white carbon, antimony oxide, the pressurization of caving bolt successively 2 minutes; Rise floating weight, drop into cobalt naphthenate, carbon black N330, caving bolt pressurization 2 minutes rises floating weight, drops into 52% chlorine wax to dump temperature 115～120 binder removals; Change mill, roller temperature is below 90 ℃, roll spacing 5～7mm, and gradation adds accelerant N OBS, adhesive A, and sulphur is suffered all and is then played 3～5 of triangle bags, following sheet.
5. the production method of firing resistant conveying belt for metal screen as claimed in claim 3 is characterized in that, top roll required 85～95 ℃ when high temperature resistant calcination surface layer adhesive was rolled in the described calendering step, and central roll requires 80～90 ℃, and lower roll requires 90～100 ℃; Top roll required 85～90 ℃ when heat-resisting powerful transition glue rolled, and central roll requires 75～85 ℃, and lower roll requires 70～75 ℃; Middle rubber roll temperature requires 80～95 ℃.
6. the production method of firing resistant conveying belt for metal screen as claimed in claim 3 is characterized in that, described forming step is:
1) during compound film, earlier heat-resisting powerful cambic horizon and high temperature resistant calcination top layer are fit together, again with the skeleton sandwich layer applying that presses;
2) top glue, limit glue thickness is consistent with the skeleton core layer thickness, and limit glue is close to the skeleton sandwich layer;
3) gone up the heat-resisting powerful cambic horizon on the high temperature resistant calcination top layer of having fitted on last behind the glue of limit;
4) a/s width prescinds unnecessary film.
7. the production method of firing resistant conveying belt for metal screen as claimed in claim 3 is characterized in that, described vulcanisation step is:
The band embryo of forming is put into vulcanizing press vulcanize, under 158 ℃～160 ℃ temperature, unit pressure 3.2～3.5Mpa/cm
2, through 38 minutes constant temperature, finishing to the time sulfuration, release is pulled out vulcanizer with the adhesive tape that vulcanizates, and vulcanizes next section band embryo again, vulcanizes successively, till whole sulfurations are intact.
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| CN200810147350A CN101648644A (en) | 2008-08-11 | 2008-08-11 | Metal net firing-resistant conveyer belt and production method thereof |
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