CN104819350B - Novel wax control wax removing flexible compound plastic high voltage conveying pipe and production technology thereof - Google Patents
Novel wax control wax removing flexible compound plastic high voltage conveying pipe and production technology thereof Download PDFInfo
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- CN104819350B CN104819350B CN201510217936.4A CN201510217936A CN104819350B CN 104819350 B CN104819350 B CN 104819350B CN 201510217936 A CN201510217936 A CN 201510217936A CN 104819350 B CN104819350 B CN 104819350B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
- F16L9/19—Multi-channel pipes or pipe assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/32—Heating of pipes or pipe systems using hot fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention belongs to oil pipeline technical field, disclose a kind of novel wax control wax removing flexible compound plastic high voltage conveying pipe and production technology thereof.Its body innermost layer is that petroleum pipeline and heat traced pipeline, heat traced pipeline and petroleum pipeline are coated with by heat-insulation layer, and the outside of heat-insulation layer is external protection.The production technology of the present invention: (1) inner core tube, with polyethylene or nylon PA11 for base material, after adding barium stearate, plasticizer, heat stabilizer mixing, when 100 DEG C, is dried more than 4 hours；(2) by extrusion, vacuum, cooling, draw, coil, cut Raw material processing is become inner core tube；(3) industry dacron thread or polyester belt are wrapped in the outside of inner core tube, form enhancement layer；(4) protective layer is coated with on enhancement layer after winding；(5) with polyethylene high-foaming insulation material or foamed heat insulating rubber-plastic sponge pipe, petroleum pipeline and heat traced pipeline are wrapped up simultaneously, form heat-insulation layer；(6) the upper external protection of the outside cladding of heat-insulation layer.
Description
Technical field
The invention belongs to oil pipeline technical field, be specifically related to a kind of novel wax control wax removing flexible compound plastic high voltage conveying pipe and production technology thereof.
Background technology
At present, one of oil pipeline main means of delivery having become as oil, currently by each elephant extensive use, and following remaining unchanged has suitable development potentiality.
Known, currently used wide oil pipeline is generally steel pipe manufacturing, the connecting devices such as welding and flange are used to connect into long-distance pipe oil transportation, but there is technical drawback in current oil pipeline, the oil pipeline of existing steel matter is in oil transportation process, and the tube wall of steel pipe easily corrodes, and precipitation or wax deposition phenomenon occurs, cause pipeline blockage, have a strong impact on oil exploitation efficiency.
Summary of the invention
For prior art Problems existing, it is an object of the invention to provide a kind of novel wax control wax removing flexible compound plastic high voltage conveying pipe, pass through technological improvement, it is possible to tube wall is heated and reaches good wax removing effect, it is prevented effectively from tube wall and wax deposition phenomenon occurs, cause pipeline blockage.
The technical solution adopted for the present invention to solve the technical problems is: a kind of novel wax control wax removing flexible compound plastic high voltage conveying pipe; it includes a body; body is made up of four parts; innermost layer is petroleum pipeline and heat traced pipeline; described heat traced pipeline and petroleum pipeline are coated with by protective layer simultaneously, and the outside of heat-insulation layer is external protection.
Described petroleum pipeline is identical with the cross section structure of heat traced pipeline, is all made up of three parts, is followed successively by inner core tube, enhancement layer and inner protective layer from the inside to the outside.
The internal diameter of described petroleum pipeline is 50mm, and the internal diameter of heat traced pipeline is 25mm.
The production technology of this novel wax control wax removing flexible compound plastic high voltage conveying pipe, comprises the following steps:
(1) petroleum pipeline and heat traced pipeline internal layer are with PE or PA11 for base material, after the barium stearate of addition 0.3%, the plasticizer of 0.7%, the heat stabilizer mixing of 2%, when 100 DEG C, dry more than 4 hours；
(2) pouring into after having dried in extruder, Raw material processing is become by extrusion, vacuum, cooling, traction, cutting the inner core tube of certain length, extruder heating Shi Youliuge district, extrusion temperature controls respectively: a district, 165～170 DEG C；2nd district, 180～185 DEG C；3rd district, 195～210 DEG C；4th district, 215～230 DEG C；5th district, 198～210 DEG C；6th district, 185～190 DEG C；Vacuum is :-0.04～-0.06 MPa；The temperature of cooling water is not higher than 20 DEG C；
(3) inner core tube utilizes Wiring apparatus that industry dacron thread or polyester belt are wrapped in the outside of inner core tube after having extruded, and forms enhancement layer, and in winding process, tension force controls in the scope of 4kgf-6kgf；
(4) by protective layer cladding enhancement layer after winding, temperature of plate controls: a district, 150～165 DEG C；2nd district, 175～180 DEG C；3rd district, 190～210 DEG C；4th district, 210～215 DEG C；5th district, 180～190 DEG C；6th district, 170～180 DEG C；
(5) petroleum pipeline after completing and heat traced pipeline polyethylene high-foaming insulation material or foamed heat insulating rubber and plastic sponge pipe parcel, form heat-insulation layer, and the heat conductivity of described heat-insulation layer controls within 0.038 [W/ (m k)]；
(6) the upper external protection of the outside cladding of heat-insulation layer, external protection is made up of anticorrosion adhesive tape.
Beneficial effects of the present invention: the present invention passes through Improvement technique and pipe structure; inner core tube is effectively protected and is incubated; it is coated with again through by petroleum pipeline and heat traced pipeline simultaneously; make the petroleum pipeline of the present invention while self insulation; also by heat traced pipeline, petroleum pipeline is carried out secondary to heat; make the present invention have better heat insulation effect, be prevented effectively from oil transportation process low temperature wax deposition, it is prevented that body blocks.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further detailed
Fig. 1 is solid cross section structure figure of the present invention；
Fig. 2 is cross section structure figure of the present invention；
In accompanying drawing, 1, body, 2, external protection, 3, heat-insulation layer, 4, heat traced pipeline, 5, petroleum pipeline, 6, inner protective layer, 7, enhancement layer, 8, inner core tube.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is conducted further description.
A kind of novel wax control wax removing flexible compound plastic high voltage conveying pipe; it includes a body 1; body is formed by four parts; innermost layer is petroleum pipeline 5 and heat traced pipeline 4; the internal diameter of described petroleum pipeline is 50mm; the internal diameter of heat traced pipeline is 25mm; and heat traced pipeline 4 and petroleum pipeline 5 are coated with by heat-insulation layer 3 simultaneously; the outside of heat-insulation layer 3 is external protection 2; described petroleum pipeline 5 is identical with the cross section structure of heat traced pipeline 4; all it is made up of three parts, is followed successively by inner core tube 8, enhancement layer 7 and inner protective layer 6 from the inside to the outside.
Carry out further explaining to the production technology of the present invention following by embodiment:
Embodiment 1:
(1) inner core tube is with polyethylene for base material, after the barium stearate of addition 0.6%, the plasticizer of 0.6%, the heat stabilizer mixing of 3%, when 100 DEG C, dries 4 hours；
(2) pouring into after having dried in extruder, extruder internal diameter adopts 25mm, and Raw material processing is become the inner core tube of certain length by extrusion, vacuum, cooling, traction, cutting, extrusion temperature control a: district, 165 DEG C；2nd district, 180 DEG C；3rd district, 195 DEG C；4th district, 215 DEG C；5th district, 198 DEG C；6th district, 185 DEG C；Vacuum is :-0.04 MPa；The temperature 18 DEG C of cooling water；
(3) inner core tube utilizes Wiring apparatus that industry dacron thread is wrapped in the outside of inner core tube after having extruded, and forms enhancement layer, and in winding process, tension force controls at 4kgf；
(4) by protective layer cladding enhancement layer after winding, temperature of plate controls: a district, 150 DEG C；2nd district, 175 DEG C；3rd district, 190 DEG C；4th district, 210 DEG C；5th district, 180 DEG C；6th district, 170 DEG C；
(5) petroleum pipeline after completing and heat traced pipeline polyethylene high-foaming insulation material or foamed heat insulating rubber and plastic sponge pipe parcel, form heat-insulation layer, and the heat conductivity of described heat-insulation layer controls within 0.038 [W/ (m k)]；
(6) the upper external protection of the outside cladding of heat-insulation layer, external protection is made up of anticorrosion adhesive tape.
Embodiment 2:
(1) inner core tube is with nylon PA11 for base material, add 0.6% barium stearate, 0.6% plasticizer, 3%
Heat stabilizer mixing after, when 100 DEG C, dry 5 hours；
(2) pouring into after having dried in extruder, extruder internal diameter adopts 50mm, and Raw material processing is become the inner core tube of certain length by extrusion, vacuum, cooling, traction, cutting, extrusion temperature control a: district, 170 DEG C；2nd district, 185 DEG C；3rd district, 210 DEG C；4th district, 230 DEG C；5th district, 210 DEG C；6th district, 190 DEG C；Vacuum is :-0.06 MPa；The temperature 20 DEG C of cooling water；
(3) inner core tube utilizes Wiring apparatus that polyester belt is wrapped in the outside of inner core tube after having extruded, and forms enhancement layer, and in winding process, tension force controls at 6kgf；
(4) by protective layer cladding enhancement layer after winding, temperature of plate controls: a district, 165 DEG C；2nd district, 180 DEG C；3rd district, 210 DEG C；4th district, 215 DEG C；5th district, 190 DEG C；6th district, 180 DEG C；
(5) petroleum pipeline and heat traced pipeline foamed heat insulating rubber and plastic sponge pipe after completing wrap up, and form heat-insulation layer, and the heat conductivity of described heat-insulation layer controls within 0.038 [W/ (m k)]；
(6) the upper external protection of the outside cladding of heat-insulation layer, external protection is made up of anticorrosion adhesive tape.
Comprehensive above example, in forming process of the present invention, the preferred PA11 of inner core tube is base material, and enhancement layer preferably industry dacron thread is wound around, and the petroleum pipeline preferred foamed heat insulating rubber and plastic sponge pipe parcel after completing forms heat-insulation layer.
Claims (4)
1. novel wax control wax removing flexible compound plastic high voltage conveying pipe production process; described conveying pipe includes a body, and body is made up of four parts, and innermost layer is petroleum pipeline and heat traced pipeline; described heat traced pipeline and petroleum pipeline are coated with by heat-insulation layer simultaneously, and the outside of heat-insulation layer is external protection；It is characterized in that, comprise the following steps:
(1) petroleum pipeline and heat traced pipeline internal layer are with PE or PA11 for base material, after the barium stearate of addition 0.3%, the plasticizer of 0.7%, the heat stabilizer mixing of 2%, when 100 DEG C, dry more than 4 hours；
(2) pouring into after having dried in extruder, Raw material processing is become by extrusion, vacuum, cooling, traction, cutting the inner core tube of certain length, extruder heating Shi Youliuge district, extrusion temperature controls respectively: a district, 165～170 DEG C；2nd district, 180～185 DEG C；3rd district, 195～210 DEG C；4th district, 215～230 DEG C；5th district, 198～210 DEG C；6th district, 185～190 DEG C；Vacuum is :-0.04～-0.06 MPa；The temperature of cooling water is not higher than 20 DEG C；
(3) inner core tube utilizes Wiring apparatus that industry dacron thread or polyester belt are wrapped in the outside of inner core tube after having extruded, and forms enhancement layer, and in winding process, tension force controls in the scope of 4kgf-6kgf；
(4) by protective layer cladding enhancement layer after winding, temperature of plate controls: a district, 150～165 DEG C；2nd district, 175～180 DEG C；3rd district, 190～210 DEG C；4th district, 210～215 DEG C；5th district, 180～190 DEG C；6th district, 170～180 DEG C；
(5) petroleum pipeline after completing and heat traced pipeline polyethylene high-foaming insulation material or foamed heat insulating rubber and plastic sponge pipe parcel, form heat-insulation layer, and the heat conductivity of described heat-insulation layer controls within 0.038 [W/ (m k)]；
(6) the upper external protection of the outside cladding of heat-insulation layer, external protection is made up of anticorrosion adhesive tape.
2. novel wax control wax removing flexible compound plastic high voltage conveying pipe production process; described conveying pipe includes a body; body is made up of four parts; innermost layer is petroleum pipeline and heat traced pipeline; described heat traced pipeline and petroleum pipeline are coated with by heat-insulation layer simultaneously; the outside of heat-insulation layer is external protection, and described heat traced pipeline is made up of three parts, is followed successively by inner core tube, enhancement layer and inner protective layer from the inside to the outside；It is characterized in that, comprise the following steps:
(1) petroleum pipeline and heat traced pipeline internal layer are with PE or PA11 for base material, after the barium stearate of addition 0.3%, the plasticizer of 0.7%, the heat stabilizer mixing of 2%, when 100 DEG C, dry more than 4 hours；
(2) pouring into after having dried in extruder, Raw material processing is become by extrusion, vacuum, cooling, traction, cutting the inner core tube of certain length, extruder heating Shi Youliuge district, extrusion temperature controls respectively: a district, 165～170 DEG C；2nd district, 180～185 DEG C；3rd district, 195～210 DEG C；4th district, 215～230 DEG C；5th district, 198～210 DEG C；6th district, 185～190 DEG C；Vacuum is :-0.04～-0.06 MPa；The temperature of cooling water is not higher than 20 DEG C；
(3) inner core tube utilizes Wiring apparatus that industry dacron thread or polyester belt are wrapped in the outside of inner core tube after having extruded, and forms enhancement layer, and in winding process, tension force controls in the scope of 4kgf-6kgf；
(4) by protective layer cladding enhancement layer after winding, temperature of plate controls: a district, 150～165 DEG C；2nd district, 175～180 DEG C；3rd district, 190～210 DEG C；4th district, 210～215 DEG C；5th district, 180～190 DEG C；6th district, 170～180 DEG C；
(5) petroleum pipeline after completing and heat traced pipeline polyethylene high-foaming insulation material or foamed heat insulating rubber and plastic sponge pipe parcel, form heat-insulation layer, and the heat conductivity of described heat-insulation layer controls within 0.038 [W/ (m k)]；
(6) the upper external protection of the outside cladding of heat-insulation layer, external protection is made up of anticorrosion adhesive tape.
3. novel wax control wax removing flexible compound plastic high voltage conveying pipe production process; described conveying pipe includes a body; body is made up of four parts; innermost layer is petroleum pipeline and heat traced pipeline; described heat traced pipeline and petroleum pipeline are coated with by heat-insulation layer simultaneously; the outside of heat-insulation layer is external protection, and the internal diameter of described petroleum pipeline is 50mm, and the internal diameter of heat traced pipeline is 25mm；It is characterized in that, comprise the following steps:
(1) petroleum pipeline and heat traced pipeline internal layer are with PE or PA11 for base material, after the barium stearate of addition 0.3%, the plasticizer of 0.7%, the heat stabilizer mixing of 2%, when 100 DEG C, dry more than 4 hours；
(2) pouring into after having dried in extruder, Raw material processing is become by extrusion, vacuum, cooling, traction, cutting the inner core tube of certain length, extruder heating Shi Youliuge district, extrusion temperature controls respectively: a district, 165～170 DEG C；2nd district, 180～185 DEG C；3rd district, 195～210 DEG C；4th district, 215～230 DEG C；5th district, 198～210 DEG C；6th district, 185～190 DEG C；Vacuum is :-0.04～-0.06 MPa；The temperature of cooling water is not higher than 20 DEG C；
(3) inner core tube utilizes Wiring apparatus that industry dacron thread or polyester belt are wrapped in the outside of inner core tube after having extruded, and forms enhancement layer, and in winding process, tension force controls in the scope of 4kgf-6kgf；
(4) by protective layer cladding enhancement layer after winding, temperature of plate controls: a district, 150～165 DEG C；2nd district, 175～180 DEG C；3rd district, 190～210 DEG C；4th district, 210～215 DEG C；5th district, 180～190 DEG C；6th district, 170～180 DEG C；
(5) petroleum pipeline after completing and heat traced pipeline polyethylene high-foaming insulation material or foamed heat insulating rubber and plastic sponge pipe parcel, form heat-insulation layer, and the heat conductivity of described heat-insulation layer controls within 0.038 [W/ (m k)]；
(6) the upper external protection of the outside cladding of heat-insulation layer, external protection is made up of anticorrosion adhesive tape.
4. novel wax control wax removing flexible compound plastic high voltage conveying pipe production process; described conveying pipe includes a body; body is made up of four parts; innermost layer is petroleum pipeline and heat traced pipeline, and described heat traced pipeline and petroleum pipeline are coated with by heat-insulation layer simultaneously, and the outside of heat-insulation layer is external protection; described heat traced pipeline is made up of three parts; being followed successively by inner core tube, enhancement layer and inner protective layer from the inside to the outside, the internal diameter of described petroleum pipeline is 50mm, and the internal diameter of heat traced pipeline is 25mm；It is characterized in that, comprise the following steps:
(1) petroleum pipeline and heat traced pipeline internal layer are with PE or PA11 for base material, after the barium stearate of addition 0.3%, the plasticizer of 0.7%, the heat stabilizer mixing of 2%, when 100 DEG C, dry more than 4 hours；
(2) pouring into after having dried in extruder, Raw material processing is become by extrusion, vacuum, cooling, traction, cutting the inner core tube of certain length, extruder heating Shi Youliuge district, extrusion temperature controls respectively: a district, 165～170 DEG C；2nd district, 180～185 DEG C；3rd district, 195～210 DEG C；4th district, 215～230 DEG C；5th district, 198～210 DEG C；6th district, 185～190 DEG C；Vacuum is :-0.04～-0.06 MPa；The temperature of cooling water is not higher than 20 DEG C；
(3) inner core tube utilizes Wiring apparatus that industry dacron thread or polyester belt are wrapped in the outside of inner core tube after having extruded, and forms enhancement layer, and in winding process, tension force controls in the scope of 4kgf-6kgf；
(4) by protective layer cladding enhancement layer after winding, temperature of plate controls: a district, 150～165 DEG C；2nd district, 175～180 DEG C；3rd district, 190～210 DEG C；4th district, 210～215 DEG C；5th district, 180～190 DEG C；6th district, 170～180 DEG C；
(5) petroleum pipeline after completing and heat traced pipeline polyethylene high-foaming insulation material or foamed heat insulating rubber and plastic sponge pipe parcel, form heat-insulation layer, and the heat conductivity of described heat-insulation layer controls within 0.038 [W/ (m k)]；
(6) the upper external protection of the outside cladding of heat-insulation layer, external protection is made up of anticorrosion adhesive tape.
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| CN201510217936.4A CN104819350B (en) | 2015-04-24 | 2015-04-24 | Novel wax control wax removing flexible compound plastic high voltage conveying pipe and production technology thereof |
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| CN201510217936.4A CN104819350B (en) | 2015-04-24 | 2015-04-24 | Novel wax control wax removing flexible compound plastic high voltage conveying pipe and production technology thereof |
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| CN104819350B true CN104819350B (en) | 2016-06-29 |
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| CN107401638A (en) * | 2016-10-11 | 2017-11-28 | 河北宏广橡塑金属制品有限公司 | Intelligent constant-temperature flexible compound oil-transporting heating pipe line and its manufacture method |
| CN108374934A (en) * | 2018-02-09 | 2018-08-07 | 安徽华奇管业有限公司 | A kind of steel band reinforced polyethylene spiral ripple pipe and its manufacture craft |
| CN109749782B (en) * | 2019-01-28 | 2021-04-06 | 青岛伊莱新材料有限公司 | Continuous production process of oxidized composite hydrocarbon wax |
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| CN201100503Y (en) * | 2007-10-24 | 2008-08-13 | 雷泽永 | An energy-saving concretion prevention structure for oil supply tube |
| CN104266014A (en) * | 2014-10-13 | 2015-01-07 | 河北宏广橡塑金属制品有限公司 | Oilfield oil conveying tracing pipe and processing method thereof |
| CN204805760U (en) * | 2015-04-24 | 2015-11-25 | 河北宏广橡塑金属制品有限公司 | Oil field is with flexible composite plastic high pressure conveyer pipe of novel wax control paraffin removal |
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2015
- 2015-04-24 CN CN201510217936.4A patent/CN104819350B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201100503Y (en) * | 2007-10-24 | 2008-08-13 | 雷泽永 | An energy-saving concretion prevention structure for oil supply tube |
| CN104266014A (en) * | 2014-10-13 | 2015-01-07 | 河北宏广橡塑金属制品有限公司 | Oilfield oil conveying tracing pipe and processing method thereof |
| CN204805760U (en) * | 2015-04-24 | 2015-11-25 | 河北宏广橡塑金属制品有限公司 | Oil field is with flexible composite plastic high pressure conveyer pipe of novel wax control paraffin removal |
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