CN105072720A - Series-connected electric tracing ribbon used for oil well long-distance transmission pipeline - Google Patents
Series-connected electric tracing ribbon used for oil well long-distance transmission pipeline Download PDFInfo
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- CN105072720A CN105072720A CN201510496669.9A CN201510496669A CN105072720A CN 105072720 A CN105072720 A CN 105072720A CN 201510496669 A CN201510496669 A CN 201510496669A CN 105072720 A CN105072720 A CN 105072720A
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Abstract
The invention discloses a series-connected electric tracing ribbon used for an oil well long-distance transmission pipeline. The series-connected electric tracing ribbon comprises a heating core which is externally wrapped by an insulating layer. The insulating layer is externally wrapped by a sheath layer which is externally wrapped by a metal braiding layer. The metal braiding layer is externally wrapped by a reinforcing layer which is made of polypropylene material. The series-connected electric tracing ribbon used for the oil well long-distance transmission pipeline is heat-resistant, anti-corrosion and excellent in mechanical property.
Description
Technical field
The present invention relates to the coat layer of power cable field of material technology, particularly relate to a kind of oil well long-distance transport pipes serial electric heating tape.
Background technology
Serial electric heating tape is exactly a kind of special cable by heating after electric energy heating, has been widely used at present in the industries such as oil, chemical industry, medicine and food, for heat-preserving anti-freezing and thermostatic control.Its principle is for when heart yearn is by big current, and itself produces Joule heat, thus realizes producing electrically heat tracing effect.In oil well long-distance transport pipes field, operating environment is severe, and all have higher requirements for the corrosion resistance of electric-heating belt, mechanical property, heat resistance, existing electric-heating belt is difficult to be suitable for.How to prepare a kind of oil tank tandem invariable power electric-heating belt that is heat-resisting, corrosion-resistant, excellent in mechanical performance and become the current technical issues that need to address.
Summary of the invention
The present invention proposes a kind of oil well long-distance transport pipes serial electric heating tape, heat-resisting, corrosion-resistant, excellent in mechanical performance.
A kind of oil well long-distance transport pipes serial electric heating tape that the present invention proposes, comprise heat generating core, heat generating core is coated with insulating barrier, insulating barrier is coated with restrictive coating, restrictive coating is coated with wire sheathing, and wire sheathing is coated with reinforced layer, and reinforced layer is made up of polypropylene material.
Preferably, the raw material of described polypropylene material comprises by weight: butadiene-styrene rubber 30-40 part, ethylene propylene diene rubber 20-35 part, polypropylene 20-35 part, phthalic acid second monooctyl ester 1-3 part, trioctyl phosphate 0.5-2.5 part, hydrocarbon oil 1.2-1.5 part, carbon fiber 20-35 part, diatomite 5-15 part, chrysotile 10-15 part, modification compounded mix 15-30 part, hard (china) clay 5-15 part, polyvinyl alcohol 1-2.5 part, polyvinyl butyral resin 1-4 part, liquid coumarone indene resin 0.5-3.5 part, benzotriazole light stabilizer 1.5-3.5 part, stearic acid 1.5-3.5 part, oleic acid 0.1-0.9 part, benzoyl hydroperoxide tertiary fourth fat 1-3 part, dual-tert-butyl cumyl peroxide 1-2 part, ammonium dichromate sodium 0.5-1.4 part, altax 0.5-1 part, Vulcanization accelerator TMTD 0.5-1 part.
Preferably, in the preparation process of modification compounded mix, take 20-30 part gel calcium carbonate by weight, 20-50 part nano silicon, gel calcium carbonate particle diameter is 0.2-1mm, nano silicon particle diameter is 10-50nm, deliver in still kettle, passing into steam pressure in water vapour to still kettle is 0.2-0.5MPa, steam temperature is 120-145 DEG C, the steam pressure time is 2-10h, stop passing into steam, being dried to material moisture is that 5-15wt% obtains prefabricated material, add 0.5-1.5 part silane coupler again to stir, mixing speed 3000-4500r/min, temperature of charge is 90-95 DEG C, dry, pulverize, obtain modification compounded mix.
Preferably, in nano silicon, particle diameter is that the nano silicon of 10-20nm accounts for 40-60wt%, and particle diameter is that the nano silicon of 20-40nm accounts for 20-30wt%, and all the other are the nano silicon of particle diameter 40-50nm.
Preferably, benzene rubber, ethylene propylene diene rubber and polyacrylic weight ratio are 34-36:26-30:26-28.
Preferably, the weight ratio of carbon fiber, diatomite, chrysotile, modification compounded mix and hard (china) clay is 25-30:8-10:12-14:20-24:10-12.
Preferably, the weight ratio of the tertiary fourth fat of benzoyl hydroperoxide, dual-tert-butyl cumyl peroxide, ammonium dichromate sodium, altax and Vulcanization accelerator TMTD is 1.4-1.7:0.7-1.1:0.6-0.8:0.7-0.9:1.6-2.
Preferably, the raw material of described polypropylene material comprises by weight: butadiene-styrene rubber 34-36 part, ethylene propylene diene rubber 26-30 part, polypropylene 26-28 part, phthalic acid second monooctyl ester 1.2-1.8 part, trioctyl phosphate 0.8-1.4 part, hydrocarbon oil 1.3-1.4 part, carbon fiber 25-30 part, diatomite 8-10 part, chrysotile 12-14 part, modification compounded mix 20-24 part, hard (china) clay 10-12 part, polyvinyl alcohol 1.5-2 part, polyvinyl butyral resin 2-3 part, liquid coumarone indene resin 1-1.4 part, benzotriazole light stabilizer 2-2.6 part, stearic acid 2.8-3 part, oleic acid 0.2-0.5 part, benzoyl hydroperoxide tertiary fourth fat 1.6-2 part, dual-tert-butyl cumyl peroxide 1.4-1.7 part, ammonium dichromate sodium 0.7-1.1 part, altax 0.6-0.8 part, Vulcanization accelerator TMTD 0.7-0.9 part.
In the present invention, the preparation method of described polypropylene material comprises the steps: above-mentioned carbon fiber, diatomite, chrysotile, modification compounded mix, hard (china) clay mixing, add phthalic acid second monooctyl ester after stirring, trioctyl phosphate, hydrocarbon oil mix, 5-10min is incubated at 90-100 DEG C, be cooled to normal temperature, add benzotriazole light stabilizer, stearic acid, oleic acid obtains prefabricated material A at 800-1000r/min dispersed with stirring 1-2min; Butadiene-styrene rubber, ethylene propylene diene rubber, polypropylene are put into mill, and at 90-95 DEG C, mixing 1-3min obtains prefabricated material B; After above-mentioned prefabricated material A is mixed with prefabricated material B, add polyvinyl alcohol, polyvinyl butyral resin, liquid coumarone indene resin, benzoyl hydroperoxide tertiary fourth fat are mixing, mixing time is 1-3min, add dual-tert-butyl cumyl peroxide, ammonium dichromate sodium, altax, Vulcanization accelerator TMTD again, after thin-pass 2-5 time, extruder plastication granulation, the extrusion temperature of plastic extruding machine is 140-160 DEG C, obtains polypropylene material.
In the present invention, ethylene propylene diene rubber is ageing-resistant, corrosion resistant performance good, but tack or mutual viscosity poor, polypropylene physical and mechanical properties is good, rotproofness performance is good, and caking property is good, but resistance to impact is poor, butadiene-styrene rubber is heat-resisting, ageing-resistant performance good, but sizing material poor adherence, ethylene propylene diene rubber, polypropylene and butadiene-styrene rubber act synergistically, under the prerequisite ensureing corrosion resistant, ageing-resistant performance excellence, physical and mechanical properties is good, has comparatively high-impact energy, carbon fiber, diatomite, chrysotile, modification compounded mix and hard (china) clay strengthen immixture as filling, significantly can strengthen Mechanical Properties of Products, in modification compounded mix, the surface of gel calcium carbonate is one deck fatty acid soaps, cause activity larger, in gel calcium carbonate and surface modification of silica grafting, mechanical property and the heat resistance of the modification compounded mix obtained are fabulous, modification compounded mix and ethylene propylene diene rubber, the compatibility of the organic material such as polypropylene and butadiene-styrene rubber is good, it is good that storeroom mixes performance, extrudate density is high, adhesion is strong, corrosion-resistant and mechanical property strengthens further, adopt phthalic acid second monooctyl ester in addition, trioctyl phosphate and hydrocarbon oil synergy, can promote that toughness and hardness reach balanced not frangibility, mechanical property is good, the tertiary fourth fat of benzoyl hydroperoxide, dual-tert-butyl cumyl peroxide, altax and Vulcanization accelerator TMTD synergy are as vulcanizing system, cure is good, mechanical property is good, rotproofness and the resistance to heat energy of goods strengthen further.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of oil well long-distance transport pipes serial electric heating tape that the present invention proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of oil well long-distance transport pipes serial electric heating tape that the present invention proposes.
Embodiment 1
With reference to Fig. 1, a kind of oil well long-distance transport pipes serial electric heating tape, comprises heat generating core 1, heat generating core 1 is coated with insulating barrier 2, and insulating barrier 2 is coated with restrictive coating 3, and restrictive coating 3 is coated with wire sheathing 4, wire sheathing 4 is coated with reinforced layer 5, and reinforced layer 5 is made up of polypropylene material.
The raw material of described polypropylene material comprises by weight: 30 parts, butadiene-styrene rubber, ethylene propylene diene rubber 35 parts, polypropylene 20 parts, phthalic acid second monooctyl ester 3 parts, trioctyl phosphate 0.5 part, hydrocarbon oil 1.5 parts, 20 parts, carbon fiber, 15 parts, diatomite, chrysotile 10 parts, modification compounded mix 30 parts, hard (china) clay 5 parts, polyvinyl alcohol 2.5 parts, polyvinyl butyral resin 1 part, liquid coumarone indene resin 3.5 parts, benzotriazole light stabilizer 1.5 parts, stearic acid 3.5 parts, oleic acid 0.1 part, 3 parts, the tertiary fourth fat of benzoyl hydroperoxide, dual-tert-butyl cumyl peroxide 1 part, 1.4 parts, ammonium dichromate sodium, altax 0.5 part, Vulcanization accelerator TMTD 1 part.
Embodiment 2
A kind of oil well long-distance transport pipes serial electric heating tape, comprise heat generating core 1, heat generating core 1 is coated with insulating barrier 2, insulating barrier 2 is coated with restrictive coating 3, restrictive coating 3 is coated with wire sheathing 4, and wire sheathing 4 is coated with reinforced layer 5, and reinforced layer 5 is made up of polypropylene material.
The raw material of described polypropylene material comprises by weight: 40 parts, butadiene-styrene rubber, ethylene propylene diene rubber 20 parts, polypropylene 35 parts, phthalic acid second monooctyl ester 1 part, trioctyl phosphate 2.5 parts, hydrocarbon oil 1.2 parts, 35 parts, carbon fiber, 5 parts, diatomite, chrysotile 15 parts, modification compounded mix 15 parts, hard (china) clay 15 parts, polyvinyl alcohol 1 part, polyvinyl butyral resin 4 parts, liquid coumarone indene resin 0.5 part, benzotriazole light stabilizer 3.5 parts, stearic acid 1.5 parts, oleic acid 0.9 part, 1 part, the tertiary fourth fat of benzoyl hydroperoxide, dual-tert-butyl cumyl peroxide 2 parts, 0.5 part, ammonium dichromate sodium, altax 1 part, Vulcanization accelerator TMTD 0.5 part.
Embodiment 3
A kind of oil well long-distance transport pipes serial electric heating tape, comprise heat generating core 1, heat generating core 1 is coated with insulating barrier 2, insulating barrier 2 is coated with restrictive coating 3, restrictive coating 3 is coated with wire sheathing 4, and wire sheathing 4 is coated with reinforced layer 5, and reinforced layer 5 is made up of polypropylene material.
The raw material of described polypropylene material comprises by weight: 34 parts, butadiene-styrene rubber, ethylene propylene diene rubber 30 parts, polypropylene 26 parts, phthalic acid second monooctyl ester 1.8 parts, trioctyl phosphate 0.8 part, hydrocarbon oil 1.4 parts, 25 parts, carbon fiber, 10 parts, diatomite, chrysotile 12 parts, modification compounded mix 24 parts, hard (china) clay 10 parts, polyvinyl alcohol 2 parts, polyvinyl butyral resin 2 parts, liquid coumarone indene resin 1.4 parts, benzotriazole light stabilizer 2 parts, stearic acid 3 parts, oleic acid 0.2 part, 2 parts, the tertiary fourth fat of benzoyl hydroperoxide, dual-tert-butyl cumyl peroxide 1.4 parts, 1.1 parts, ammonium dichromate sodium, altax 0.6 part, Vulcanization accelerator TMTD 0.9 part.
In the preparation process of modification compounded mix, take 20 parts of gel calcium carbonate by weight, 50 parts of nano silicons, gel calcium carbonate particle diameter is 0.2-1mm, nano silicon particle diameter is 10-50nm, deliver in still kettle, passing into steam pressure in water vapour to still kettle is 0.2MPa, steam temperature is 145 DEG C, the steam pressure time is 2h, stop passing into steam, being dried to material moisture is that 15wt% obtains prefabricated material, add 0.5 part of silane coupler again to stir, mixing speed 4500r/min, temperature of charge is 90 DEG C, dry, pulverize, obtain modification compounded mix.
In nano silicon, particle diameter is that the nano silicon of 10-20nm accounts for 60wt%, and particle diameter is that the nano silicon of 20-40nm accounts for 20wt%, and all the other are the nano silicon of particle diameter 40-50nm.
The preparation method of described polypropylene material comprises the steps: above-mentioned carbon fiber, diatomite, chrysotile, modification compounded mix, hard (china) clay mixing, add phthalic acid second monooctyl ester after stirring, trioctyl phosphate, hydrocarbon oil mix, 5min is incubated at 100 DEG C, be cooled to normal temperature, add benzotriazole light stabilizer, stearic acid, oleic acid obtains prefabricated material A at 1000r/min dispersed with stirring 1min; Butadiene-styrene rubber, ethylene propylene diene rubber, polypropylene are put into mill, and at 95 DEG C, mixing 1min obtains prefabricated material B; After above-mentioned prefabricated material A is mixed with prefabricated material B, add polyvinyl alcohol, polyvinyl butyral resin, liquid coumarone indene resin, benzoyl hydroperoxide tertiary fourth fat are mixing, mixing time is 3min, add dual-tert-butyl cumyl peroxide, ammonium dichromate sodium, altax, Vulcanization accelerator TMTD again, after thin-pass 2 times, extruder plastication granulation, the extrusion temperature of plastic extruding machine is 160 DEG C, obtains polypropylene material.
Embodiment 4
A kind of oil well long-distance transport pipes serial electric heating tape, comprise heat generating core 1, heat generating core 1 is coated with insulating barrier 2, insulating barrier 2 is coated with restrictive coating 3, restrictive coating 3 is coated with wire sheathing 4, and wire sheathing 4 is coated with reinforced layer 5, and reinforced layer 5 is made up of polypropylene material.
The raw material of described polypropylene material comprises by weight: 36 parts, butadiene-styrene rubber, ethylene propylene diene rubber 26 parts, polypropylene 28 parts, phthalic acid second monooctyl ester 1.2 parts, trioctyl phosphate 1.4 parts, hydrocarbon oil 1.3 parts, 30 parts, carbon fiber, 8 parts, diatomite, chrysotile 14 parts, modification compounded mix 20 parts, hard (china) clay 12 parts, polyvinyl alcohol 1.5 parts, polyvinyl butyral resin 3 parts, liquid coumarone indene resin 1 part, benzotriazole light stabilizer 2.6 parts, stearic acid 2.8 parts, oleic acid 0.5 part, 1.6 parts, the tertiary fourth fat of benzoyl hydroperoxide, dual-tert-butyl cumyl peroxide 1.7 parts, 0.7 part, ammonium dichromate sodium, altax 0.8 part, Vulcanization accelerator TMTD 0.7 part.
In the preparation process of modification compounded mix, take 30 parts of gel calcium carbonate by weight, 20 parts of nano silicons, gel calcium carbonate particle diameter is 0.2-1mm, nano silicon particle diameter is 10-50nm, deliver in still kettle, passing into steam pressure in water vapour to still kettle is 0.5MPa, steam temperature is 120 DEG C, the steam pressure time is 10h, stop passing into steam, being dried to material moisture is that 5wt% obtains prefabricated material, add 1.5 parts of silane couplers again to stir, mixing speed 3000r/min, temperature of charge is 95 DEG C, dry, pulverize, obtain modification compounded mix.
In nano silicon, particle diameter is that the nano silicon of 10-20nm accounts for 40wt%, and particle diameter is that the nano silicon of 20-40nm accounts for 30wt%, and all the other are the nano silicon of particle diameter 40-50nm.
The preparation method of described polypropylene material comprises the steps: above-mentioned carbon fiber, diatomite, chrysotile, modification compounded mix, hard (china) clay mixing, add phthalic acid second monooctyl ester after stirring, trioctyl phosphate, hydrocarbon oil mix, 10min is incubated at 90 DEG C, be cooled to normal temperature, add benzotriazole light stabilizer, stearic acid, oleic acid obtains prefabricated material A at 800r/min dispersed with stirring 2min; Butadiene-styrene rubber, ethylene propylene diene rubber, polypropylene are put into mill, and at 90 DEG C, mixing 3min obtains prefabricated material B; After above-mentioned prefabricated material A is mixed with prefabricated material B, add polyvinyl alcohol, polyvinyl butyral resin, liquid coumarone indene resin, benzoyl hydroperoxide tertiary fourth fat are mixing, mixing time is 1min, add dual-tert-butyl cumyl peroxide, ammonium dichromate sodium, altax, Vulcanization accelerator TMTD again, after thin-pass 5 times, extruder plastication granulation, the extrusion temperature of plastic extruding machine is 140 DEG C, obtains polypropylene material.
Embodiment 5
A kind of oil well long-distance transport pipes serial electric heating tape, comprise heat generating core 1, heat generating core 1 is coated with insulating barrier 2, insulating barrier 2 is coated with restrictive coating 3, restrictive coating 3 is coated with wire sheathing 4, and wire sheathing 4 is coated with reinforced layer 5, and reinforced layer 5 is made up of polypropylene material.
The raw material of described polypropylene material comprises by weight: 35 parts, butadiene-styrene rubber, ethylene propylene diene rubber 28 parts, polypropylene 27 parts, phthalic acid second monooctyl ester 1.5 parts, trioctyl phosphate 1 part, hydrocarbon oil 1.32 parts, 27 parts, carbon fiber, 9 parts, diatomite, chrysotile 13 parts, modification compounded mix 22 parts, hard (china) clay 11 parts, polyvinyl alcohol 1.8 parts, polyvinyl butyral resin 2.3 parts, liquid coumarone indene resin 1.2 parts, benzotriazole light stabilizer 2.3 parts, stearic acid 2.9 parts, oleic acid 0.3 part, 1.8 parts, the tertiary fourth fat of benzoyl hydroperoxide, dual-tert-butyl cumyl peroxide 1.6 parts, 1 part, ammonium dichromate sodium, altax 0.7 part, Vulcanization accelerator TMTD 0.8 part.
In the preparation process of modification compounded mix, take 25 parts of gel calcium carbonate by weight, 38 parts of nano silicons, gel calcium carbonate particle diameter is 0.2-1mm, nano silicon particle diameter is 10-50nm, deliver in still kettle, passing into steam pressure in water vapour to still kettle is 0.3MPa, steam temperature is 130 DEG C, the steam pressure time is 6h, stop passing into steam, being dried to material moisture is that 10wt% obtains prefabricated material, add 1 part of silane coupler again to stir, mixing speed 4000r/min, temperature of charge is 92 DEG C, dry, pulverize, obtain modification compounded mix.
In nano silicon, particle diameter is that the nano silicon of 10-20nm accounts for 50wt%, and particle diameter is that the nano silicon of 20-40nm accounts for 25wt%, and all the other are the nano silicon of particle diameter 40-50nm.
The preparation method of described polypropylene material comprises the steps: above-mentioned carbon fiber, diatomite, chrysotile, modification compounded mix, hard (china) clay mixing, add phthalic acid second monooctyl ester after stirring, trioctyl phosphate, hydrocarbon oil mix, 8min is incubated at 95 DEG C, be cooled to normal temperature, add benzotriazole light stabilizer, stearic acid, oleic acid obtains prefabricated material A at 9000r/min dispersed with stirring 1.2min; Butadiene-styrene rubber, ethylene propylene diene rubber, polypropylene are put into mill, and at 93 DEG C, mixing 2min obtains prefabricated material B; After above-mentioned prefabricated material A is mixed with prefabricated material B, add polyvinyl alcohol, polyvinyl butyral resin, liquid coumarone indene resin, benzoyl hydroperoxide tertiary fourth fat are mixing, mixing time is 2min, add dual-tert-butyl cumyl peroxide, ammonium dichromate sodium, altax, Vulcanization accelerator TMTD again, after thin-pass 4 times, extruder plastication granulation, the extrusion temperature of plastic extruding machine is 150 DEG C, obtains polypropylene material.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. an oil well long-distance transport pipes serial electric heating tape, it is characterized in that, comprise heat generating core (1), heat generating core (1) is coated with insulating barrier (2), insulating barrier (2) is coated with restrictive coating (3), restrictive coating (3) is coated with wire sheathing (4), and wire sheathing (4) is coated with reinforced layer (5), and reinforced layer (5) is made up of polypropylene material.
2. oil well long-distance transport pipes serial electric heating tape according to claim 1, it is characterized in that, the raw material of described polypropylene material comprises by weight: butadiene-styrene rubber 30-40 part, ethylene propylene diene rubber 20-35 part, polypropylene 20-35 part, phthalic acid second monooctyl ester 1-3 part, trioctyl phosphate 0.5-2.5 part, hydrocarbon oil 1.2-1.5 part, carbon fiber 20-35 part, diatomite 5-15 part, chrysotile 10-15 part, modification compounded mix 15-30 part, hard (china) clay 5-15 part, polyvinyl alcohol 1-2.5 part, polyvinyl butyral resin 1-4 part, liquid coumarone indene resin 0.5-3.5 part, benzotriazole light stabilizer 1.5-3.5 part, stearic acid 1.5-3.5 part, oleic acid 0.1-0.9 part, benzoyl hydroperoxide tertiary fourth fat 1-3 part, dual-tert-butyl cumyl peroxide 1-2 part, ammonium dichromate sodium 0.5-1.4 part, altax 0.5-1 part, Vulcanization accelerator TMTD 0.5-1 part.
3. oil well long-distance transport pipes serial electric heating tape according to claim 2, it is characterized in that, in the preparation process of modification compounded mix, take 20-30 part gel calcium carbonate by weight, 20-50 part nano silicon, gel calcium carbonate particle diameter is 0.2-1mm, nano silicon particle diameter is 10-50nm, deliver in still kettle, passing into steam pressure in water vapour to still kettle is 0.2-0.5MPa, steam temperature is 120-145 DEG C, the steam pressure time is 2-10h, stop passing into steam, being dried to material moisture is that 5-15wt% obtains prefabricated material, add 0.5-1.5 part silane coupler again to stir, mixing speed 3000-4500r/min, temperature of charge is 90-95 DEG C, dry, pulverize, obtain modification compounded mix.
4. oil well long-distance transport pipes serial electric heating tape according to claim 3, it is characterized in that, in nano silicon, particle diameter is that the nano silicon of 10-20nm accounts for 40-60wt%, particle diameter is that the nano silicon of 20-40nm accounts for 20-30wt%, and all the other are the nano silicon of particle diameter 40-50nm.
5. the oil well long-distance transport pipes serial electric heating tape according to any one of claim 2-4, is characterized in that, benzene rubber, ethylene propylene diene rubber and polyacrylic weight ratio are 34-36:26-30:26-28.
6. the oil well long-distance transport pipes serial electric heating tape according to any one of claim 2-5, is characterized in that, the weight ratio of carbon fiber, diatomite, chrysotile, modification compounded mix and hard (china) clay is 25-30:8-10:12-14:20-24:10-12.
7. the oil well long-distance transport pipes serial electric heating tape according to any one of claim 2-6, it is characterized in that, the weight ratio of the tertiary fourth fat of benzoyl hydroperoxide, dual-tert-butyl cumyl peroxide, ammonium dichromate sodium, altax and Vulcanization accelerator TMTD is 1.4-1.7:0.7-1.1:0.6-0.8:0.7-0.9:1.6-2.
8. the oil well long-distance transport pipes serial electric heating tape according to any one of claim 2-7, it is characterized in that, the raw material of described polypropylene material comprises by weight: butadiene-styrene rubber 34-36 part, ethylene propylene diene rubber 26-30 part, polypropylene 26-28 part, phthalic acid second monooctyl ester 1.2-1.8 part, trioctyl phosphate 0.8-1.4 part, hydrocarbon oil 1.3-1.4 part, carbon fiber 25-30 part, diatomite 8-10 part, chrysotile 12-14 part, modification compounded mix 20-24 part, hard (china) clay 10-12 part, polyvinyl alcohol 1.5-2 part, polyvinyl butyral resin 2-3 part, liquid coumarone indene resin 1-1.4 part, benzotriazole light stabilizer 2-2.6 part, stearic acid 2.8-3 part, oleic acid 0.2-0.5 part, benzoyl hydroperoxide tertiary fourth fat 1.6-2 part, dual-tert-butyl cumyl peroxide 1.4-1.7 part, ammonium dichromate sodium 0.7-1.1 part, altax 0.6-0.8 part, Vulcanization accelerator TMTD 0.7-0.9 part.
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| CN201510496669.9A CN105072720B (en) | 2015-08-12 | 2015-08-12 | A kind of oil well long-distance transport pipes tandem electric-heating belt |
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| CN201510496669.9A CN105072720B (en) | 2015-08-12 | 2015-08-12 | A kind of oil well long-distance transport pipes tandem electric-heating belt |
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| CN105072720A true CN105072720A (en) | 2015-11-18 |
| CN105072720B CN105072720B (en) | 2019-07-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504541A (en) * | 2015-12-31 | 2016-04-20 | 崇夕山 | Outer sheath used for self-temperature-limiting electric heat tracing band and having excellent thermal conductivity |
| CN105504540A (en) * | 2015-12-31 | 2016-04-20 | 崇夕山 | Ethylene propylene diene monomer outer sheath for self-limiting electric tracing band |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201957271U (en) * | 2011-02-11 | 2011-08-31 | 顾建忠 | Electric ribbon heater for thick oil well |
| CN202907236U (en) * | 2012-10-25 | 2013-04-24 | 安徽江淮电缆集团有限公司 | High temperature constant power electric heating tape |
| CN203086765U (en) * | 2013-01-10 | 2013-07-24 | 安徽华津电缆集团有限公司 | A three-phase power-constant electric heating strap used for conducting heat and preserving temperature in a large-diameter pipeline |
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2015
- 2015-08-12 CN CN201510496669.9A patent/CN105072720B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201957271U (en) * | 2011-02-11 | 2011-08-31 | 顾建忠 | Electric ribbon heater for thick oil well |
| CN202907236U (en) * | 2012-10-25 | 2013-04-24 | 安徽江淮电缆集团有限公司 | High temperature constant power electric heating tape |
| CN203086765U (en) * | 2013-01-10 | 2013-07-24 | 安徽华津电缆集团有限公司 | A three-phase power-constant electric heating strap used for conducting heat and preserving temperature in a large-diameter pipeline |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504541A (en) * | 2015-12-31 | 2016-04-20 | 崇夕山 | Outer sheath used for self-temperature-limiting electric heat tracing band and having excellent thermal conductivity |
| CN105504540A (en) * | 2015-12-31 | 2016-04-20 | 崇夕山 | Ethylene propylene diene monomer outer sheath for self-limiting electric tracing band |
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| Publication number | Publication date |
|---|---|
| CN105072720B (en) | 2019-07-05 |
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