CN112040581A - Three-phase heating cable - Google Patents
Three-phase heating cable Download PDFInfo
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- CN112040581A CN112040581A CN202011030769.XA CN202011030769A CN112040581A CN 112040581 A CN112040581 A CN 112040581A CN 202011030769 A CN202011030769 A CN 202011030769A CN 112040581 A CN112040581 A CN 112040581A
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- Prior art keywords
- layer
- copper conductor
- phase heating
- heating cable
- sintering
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
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Abstract
The invention relates to the technical field of three-phase heating cables, in particular to a three-phase heating cable which comprises copper conductors, wherein the outer walls of the copper conductors are wrapped with sintered layers, the outer walls of the sintered layers are provided with wrapping layers, the outer walls of the wrapping layers are wrapped with armor layers, the outer walls of the armor layers are wrapped with high-temperature-resistant insulating rubber sleeves, the number of the copper conductors is not less than three, the diameter of each copper conductor is 5.19mm, the thickness of each sintered layer is 0.6mm, each wrapping layer is a glass fiber wrapping layer, the thickness of each wrapping layer is 2mm, each armor layer is a non-plated steel belt, and the thickness of each armor layer is 0.5 mm.
Description
Technical Field
The invention relates to the technical field of three-phase heating cables, in particular to a three-phase heating cable.
Background
Present heating cable generally chooses for use double-phase electrical heating, perhaps adopts high resistance material to heat, and the heating of intermediate frequency is adopted to the mode in addition, heats with high resistance material, and resistance material is with high costs, and through the resistance material bearing, intensity is low, can't satisfy the requirement of big length heating, and need cooperate coiled tubing frock etc. to go into the well in the oil field, and the operation degree of difficulty is big, and the operating cost is high, and intermediate frequency heating inefficiency, and the circuit that needs is complicated.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a three-phase heating cable and a forming process thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is a three-phase heating cable which comprises a copper conductor, wherein the outer wall of the copper conductor is wrapped with a sintering layer, the outer wall of the sintering layer is provided with a wrapping layer, the outer wall of the wrapping layer is wrapped with an armor layer, and the outer wall of the armor layer is wrapped with a high-temperature-resistant insulating rubber sleeve.
Preferably, the number of the copper conductors is not less than three, and the diameter of the copper conductors is 5.19 mm.
Preferably, the thickness of the sintering layer is 0.6 mm.
Preferably, the lapping layer is a glass fiber lapping layer, and the thickness of the lapping layer is 2 mm.
Preferably, the armor is a non-plated steel strip, and the thickness of the armor is 0.5 mm.
Preferably, a filling layer is filled between the armor layer and the wrapping layer, and the filling layer is an inorganic mineral insulating filling layer.
Preferably, the outer wall of the high-temperature-resistant insulating rubber sleeve is sleeved with a waterproof layer, the waterproof layer is made of polyethylene, and a plurality of axially-arranged wear-resistant strips are integrally formed on the outer wall of the waterproof layer.
A forming process of a three-phase heating cable comprises the following steps:
s1, sintering, namely paying off the copper conductor wound on the conductor wire-proofing device at a constant speed, sequentially passing through film winding equipment and sintering equipment, and then taking up the copper conductor by a winding device;
s2, lapping, namely uniformly preventing the copper conductor after the sintering step from being wound again by conductor wire prevention equipment, and winding the lapping layer outside the sintering layer after the copper conductor passes through the lapping equipment;
s3, welding and forming, namely, uniformly unwinding a steel belt by a steel belt coiling device, processing by a steel belt primary forming device, simultaneously uniformly unwinding the wrapped copper conductor by using a cable wire-proof device, welding and forming the steel belt and the copper conductor by a laser welding device, detecting by a nondestructive detection device, and drawing to the coiling device by a drawing device to complete armoring;
s4, cabling, namely processing the copper conductor subjected to the welding forming step by cabling equipment again at a constant speed by cabling equipment, and finally winding by winding equipment;
and S5, coating by a protective layer, coating the copper conductor subjected to welding forming by a cable coating extruder by a high-temperature-resistant insulating rubber sleeve, and finally completing the forming process of the cable.
The invention provides a three-phase heating cable, which has the beneficial effects that: adopt copper as the conductor, increase the resistance value of cable through the sintering, cut off body and cable around the package through the fibre, glass fiber temperature resistance 350 ℃, can furthest's increase cable temperature resistance, outer armor can effectually prevent that welding cable from being damaged, greater intensity and corrosion resisting property are provided, the waterproof layer and the wear-resisting strip of cladding have better waterproof performance and wear-resisting effect simultaneously, it has heating efficiency height to compare current heating cable, high temperature resistance, waterproof and wear-resisting performance.
Drawings
Fig. 1 is a cross-sectional view of a three-phase heating cable according to the present invention;
FIG. 2 is a welding forming flow chart of a three-phase heating cable forming process according to the present invention;
FIG. 3 is a cabling flow diagram of a three-phase heating cable forming process according to the present invention;
FIG. 4 is a sintering flow chart of a three-phase heating cable forming process according to the present invention;
fig. 5 is a wrapping flow chart of a three-phase heating cable forming process provided by the invention.
In the figure: 1 copper conductor, 2 sintered layers, 3 around covering, 4 high temperature resistant insulating gum covers, 5 armor, 6 filling layer, 7 waterproof layers, 8 resistant rubbing strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a three-phase heating cable comprises a copper conductor 1, wherein the outer wall of the copper conductor 1 is coated with a sintering layer 2, the outer wall of the sintering layer 2 is provided with a winding layer 3, the outer wall of the winding layer 3 is coated with an armor layer 5, and the outer wall of the armor layer 5 is coated with a high-temperature-resistant insulating rubber sleeve 4.
The number of the copper conductors 1 is not less than three, and the diameter of the copper conductors 1 is 5.19 mm.
Sintered layer 2 the polyimide sintered layer, the thickness of sintered layer 2 being 0.6 mm.
The covering 3 is a glass fiber covering, and the thickness of the covering 3 is 2 mm.
The armor layer 5 is a non-plated steel strip, and the thickness of the armor layer 5 is 0.5 mm.
And a filling layer 6 is filled between the armor layer 5 and the wrapping layer 3, and the filling layer 6 is an inorganic mineral insulating filling layer.
The outer wall cover of high temperature resistant insulating gum cover 4 is equipped with waterproof layer 7, waterproof layer 7 polyethylene waterproof layer, and waterproof layer 7's outer wall integrated into one piece is equipped with the wear strip 8 of many axial settings.
A forming process of a three-phase heating cable comprises the following steps:
s1, sintering, namely paying off the copper conductor 1 wound on the conductor wire-proofing device at a constant speed, sequentially passing through film winding equipment and sintering equipment, and then taking up the copper conductor by a winding device;
s2, lapping, namely uniformly preventing the copper conductor 1 after the sintering step from being wound again by conductor wire prevention equipment, and winding the lapping layer 3 outside the sintering layer 2 after the copper conductor 1 passes through the lapping equipment;
s3, welding and forming, namely, uniformly unwinding a steel belt by a steel belt coiling device, processing by a steel belt primary forming device, simultaneously uniformly unwinding the wrapped copper conductor 1 by using a cable wire-proof device, welding and forming the steel belt and the copper conductor 1 by a laser welding device, detecting by a nondestructive detection device, and drawing to the coiling device by a drawing device to complete armoring;
s4, cabling, namely processing the copper conductor 1 subjected to the welding forming step by cabling equipment again at a constant speed by cabling equipment, and finally winding by winding equipment;
and S5, coating by a protective layer, coating the high-temperature-resistant insulating rubber sleeve 4 on the welded and molded copper conductor 1 by a cable coating extruder, and finally completing the molding process of the cable.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a three-phase heating cable, includes copper conductor (1), its characterized in that, the outer wall cladding of copper conductor (1) has sintering layer (2), the outer wall of sintering layer (2) is provided with around covering (3), the outer wall cladding around covering (3) has armor (5), the outer wall cladding of armor (5) has high temperature resistant insulating gum cover (4).
2. A three-phase heating cable according to claim 1, characterized in that the number of copper conductors (1) is not less than three, the diameter of the copper conductors (1) being 5.19 mm.
3. A three-phase heating cable according to claim 1, characterized in that the sintered layer (2) is a polyimide sintered layer, the thickness of the sintered layer (2) being 0.6 mm.
4. A three-phase heating cable according to claim 1, characterized in that the wrapping layer (3) is a glass fiber wrapping layer, and the thickness of the wrapping layer (3) is 2 mm.
5. A three-phase heating cable according to claim 1, characterized in that said armouring layer (5) is an uncoated steel tape, said armouring layer (5) having a thickness of 0.5 mm.
6. A three-phase heating cable according to claim 1, characterized in that a filler layer (6) is filled between the armouring layer (5) and the wrapping layer (3), and the filler layer (6) is an inorganic mineral insulating filler layer.
7. A three-phase heating cable according to claim 1, wherein the outer wall of the high temperature resistant insulating rubber sleeve (4) is sheathed with a waterproof layer (7), the waterproof layer (7) is made of polyethylene, and the outer wall of the waterproof layer (7) is integrally formed with a plurality of axially arranged wear-resistant strips (8).
8. A three-phase heating cable forming process is characterized by comprising the following steps:
s1, sintering, namely paying off the copper conductor (1) wound on the conductor wire-proofing device at a constant speed, sequentially passing through film winding equipment and sintering equipment, and then taking up the copper conductor by a winding device;
s2, lapping, namely uniformly preventing the copper conductor (1) after the sintering step from being wound again by conductor wire prevention equipment, and winding the lapping layer (3) outside the sintering layer (2) after the copper conductor passes through the lapping equipment;
s3, welding and forming, namely, uniformly unwinding a steel belt by a steel belt coiling device, processing by a steel belt primary forming device, simultaneously uniformly unwinding the wrapped copper conductor (1) by using a cable wire-proof device, welding and forming the steel belt and the copper conductor (1) by a laser welding device, detecting by a nondestructive detection device, and drawing to the coiling device by a drawing device to complete armoring;
s4, cabling, namely processing the copper conductor (1) subjected to the welding forming step by cabling equipment again at a constant speed by cabling equipment, and finally winding by winding equipment;
and S5, coating by a protective layer, coating the high-temperature-resistant insulating rubber sleeve (4) on the welded and molded copper conductor (1) by a cable coating extruder, and finally completing the molding process of the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030769.XA CN112040581A (en) | 2020-09-27 | 2020-09-27 | Three-phase heating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030769.XA CN112040581A (en) | 2020-09-27 | 2020-09-27 | Three-phase heating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112040581A true CN112040581A (en) | 2020-12-04 |
Family
ID=73574508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011030769.XA Pending CN112040581A (en) | 2020-09-27 | 2020-09-27 | Three-phase heating cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112040581A (en) |
-
2020
- 2020-09-27 CN CN202011030769.XA patent/CN112040581A/en active Pending
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