CN104819350A - High pressure conveying pipe made from novel wax-prevention and wax-removing flexible composite plastic and production process - Google Patents
High pressure conveying pipe made from novel wax-prevention and wax-removing flexible composite plastic and production process Download PDFInfo
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- CN104819350A CN104819350A CN201510217936.4A CN201510217936A CN104819350A CN 104819350 A CN104819350 A CN 104819350A CN 201510217936 A CN201510217936 A CN 201510217936A CN 104819350 A CN104819350 A CN 104819350A
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- pipeline
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- thermal insulation
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Classifications
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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
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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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
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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
- 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 the technical field of an oil pipeline, and discloses an high pressure conveying pipe made from a novel wax-prevention and wax-removing flexible composite plastic and a production process. The innermost layer of a pipe body is provided with an oil pipeline and a heat tracing pipe, the oil pipeline and the heat tracing pipe are covered by an insulating layer, and the outer part of the insulating layer is an outer protective layer. The production process comprises the steps: (1) drying an inner core tube for more than 4 hours at 100 DEG C by taking either polyethylene or nylon PASS as a substrate, after barium stearate, a plasticizer and a heat stabilizer are mixed; (2) processing a raw material into the inner core tube by extruding, vacuum, cooling, traction, coiling and cutting; (3) twisting either an industrial polyester silk or a polyester belt on the outer part of the inner core tube to form a reinforcement layer; (4) covering the protective layer on the twisted reinforcement layer; (5) simultaneously covering the oil pipeline and the heat tracing pipe by either a polyethylene high-foaming thermal insulation material or a foamed insulated rubber and plastic sponge tube, so as to form a heat preservation layer; (6) covering an upper outer protective layer on the outer part of the heat preservation layer.
Description
Technical field
The invention belongs to oil transport pipeline technical field, be specifically related to a kind of novel wax control paraffin removal flexible compound plastic high voltage delivery pipe and production technology thereof.
Background technique
At present, one of oil transport pipeline main means of delivery having become oil, current by each elephant extensive use, and future still there is suitable development potentiality.
Known, current use more widely oil transport pipeline is generally steel pipe manufacturing, the connection sets such as welding and flange are used to connect into long-distance pipe oil transportation, but there is technical drawback in current oil transport pipeline, the oil transport pipeline of existing steel matter is in oil transportation process, and the tube wall of steel pipe easily corrodes, and occurs precipitation or wax deposition phenomenon, cause pipeline blockage, have a strong impact on petroleum production efficiency.
Summary of the invention
For prior art Problems existing, the object of this invention is to provide a kind of novel wax control paraffin removal flexible compound plastic high voltage delivery pipe, by technological improvement, can heat to tube wall and reach good paraffin removal effect, effectively avoid tube wall to occur wax deposition phenomenon, cause pipeline blockage.
The technical solution adopted for the present invention to solve the technical problems is: a kind of novel wax control paraffin removal flexible compound plastic high voltage delivery pipe; it comprises a body; body is made up of four parts; innermost layer is petroleum pipeline and heat traced pipeline; coated by thermal insulation layer while of described heat traced pipeline and petroleum pipeline, the outside of thermal 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 paraffin removal flexible compound plastic high voltage delivery pipe, comprises the following steps:
(1) petroleum pipeline and heat traced pipeline internal layer with PE or PA11 for base-material, add the barium stearate of 0.3%, 0.7% plasticizing agent, 2% heat stabilizer mixing after, under the condition of 100 DEG C, dry more than 4 hours;
(2) pour into after having dried in extruder, by extruding, vacuum, cooling, drawing, coil, cut inner core tube Raw material processing being become 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; Degree of vacuum is :-0.04 ~-0.06 MPa; The temperature of cooling water is not higher than 20 DEG C;
(3) inner core tube has been extruded the rear Wiring apparatus that utilizes and industrial dacron thread or polyester belt has been wrapped in the outside of inner core tube, and form enhancement layer, in winding process, tension force controls in the scope of 4kgf-6kgf;
(4) by coated for protective layer 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 thermal insulating material or foamed heat insulating rubber and plastic sponge pipe parcel, form thermal insulation layer, the thermal conductivity of described thermal insulation layer controls within 0.038 [W/ (mk)];
(6) the outside coated upper external protection of thermal insulation layer, external thermal insulation is made up of anticorrosion adhesive tape, and temperature 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.
Beneficial effect of the present invention: the present invention is by Improvement technique and pipe structure; inner core tube is effectively protected and is incubated; pass through coated while of petroleum pipeline and heat traced pipeline again; make petroleum pipeline of the present invention while self insulation; also carry out secondary by heat traced pipeline to petroleum pipeline to heat; make the present invention have better heat insulation effect, effectively avoid low temperature wax deposition in oil transportation process, prevent body from blocking.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further detailed
Fig. 1 is the three-dimensional 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, thermal insulation layer, 4, heat traced pipeline, 5, petroleum pipeline, 6, inner protective layer, 7, enhancement layer, 8, inner core tube.
Embodiment
Below in conjunction with embodiment, the present invention is conducted further description.
A kind of novel wax control paraffin removal flexible compound plastic high voltage delivery pipe; it comprises 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 it is coated by thermal insulation layer 3 while of heat traced pipeline 4 and petroleum pipeline 5; the outside of thermal insulation layer 3 is external protection 2; described petroleum pipeline 5 is identical with the cross section structure of heat traced pipeline 4; all be made up of three parts, be followed successively by inner core tube 8, enhancement layer 7 and inner protective layer 6 from the inside to the outside.
Further will be explained production technology of the present invention by embodiment below:
Embodiment 1:
(1) inner core tube is base-material with polyethylene, add the barium stearate of 0.6%, 0.6% plasticizing agent, 3% heat stabilizer mixing after, under the condition of 100 DEG C, dry 4 hours;
(2) pour into after having dried in extruder, extruder internal mold adopts 25mm, and by extruding, vacuum, cooling, drawing, coil, cut inner core tube Raw material processing being become certain length, extrusion temperature controls: 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; Degree of vacuum is :-0.04 MPa; The temperature of cooling water 18 DEG C;
(3) inner core tube has been extruded the rear Wiring apparatus that utilizes and industrial dacron thread has been wrapped in the outside of inner core tube, and form enhancement layer, in winding process, tension force controls at 4kgf;
(4) by coated for protective layer 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 thermal insulating material or foamed heat insulating rubber and plastic sponge pipe parcel, form thermal insulation layer, the thermal conductivity of described thermal insulation layer controls within 0.038 [W/ (mk)];
(6) the outside coated upper external protection of thermal insulation layer, external thermal insulation is made up of anticorrosion adhesive tape, and temperature 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, obtain the novel wax control paraffin removal flexible compound plastic high voltage delivery pipe of 25 millimeters of internal diameters.
Embodiment 2:
(1) inner core tube with nylon PA11 for base-material, add the barium stearate of 0.6%, 0.6% plasticizing agent, 3% heat stabilizer mixing after, under the condition of 100 DEG C, dry 5 hours;
(2) pour into after having dried in extruder, extruder internal mold adopts 50mm, and by extruding, vacuum, cooling, drawing, coil, cut inner core tube Raw material processing being become certain length, extrusion temperature controls: 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; Degree of vacuum is :-0.06 MPa; The temperature of cooling water 20 DEG C;
(3) inner core tube has extruded the rear outside utilizing Wiring apparatus polyester belt to be wrapped in inner core tube, and form enhancement layer, in winding process, tension force controls at 6kgf;
(4) by coated for protective layer 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 after completing and heat traced pipeline foamed heat insulating rubber and plastic sponge pipe parcel, form thermal insulation layer, the thermal conductivity of described thermal insulation layer controls within 0.038 [W/ (mk)];
(6) the outside coated upper external protection of thermal insulation layer, external thermal insulation is made up of anticorrosion adhesive tape, and temperature 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, obtain the novel wax control paraffin removal flexible compound plastic high voltage delivery pipe of 50 millimeters of internal diameters.
Comprehensive above embodiment, in forming process of the present invention, the preferred PA11 of inner core tube is base-material, and the preferred industrial dacron thread of enhancement layer is wound around, and the preferred foamed heat insulating rubber and plastic of the petroleum pipeline after completing sponge pipe wraps up, and forms thermal insulation layer.
Claims (4)
1. a novel wax control paraffin removal flexible compound plastic high voltage delivery pipe; it comprises a body, it is characterized in that: body is made up of four parts, and innermost layer is petroleum pipeline and heat traced pipeline; coated by thermal insulation layer while of described heat traced pipeline and petroleum pipeline, the outside of thermal insulation layer is external protection.
2. novel wax control paraffin removal flexible compound plastic high voltage delivery pipe as claimed in claim 1, is characterized in that: 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.
3. novel wax control paraffin removal flexible compound plastic high voltage delivery pipe as claimed in claim 1, it is characterized in that: the internal diameter of described petroleum pipeline is 50mm, the internal diameter of heat traced pipeline is 25mm.
4. novel wax control paraffin removal flexible compound plastic high voltage delivery pipe as claimed in claim 1, its production technology comprises the following steps:
(1) petroleum pipeline and heat traced pipeline internal layer with PE or PA11 for base-material, add the barium stearate of 0.3%, 0.7% plasticizing agent, 2% heat stabilizer mixing after, under the condition of 100 DEG C, dry more than 4 hours;
(2) pour into after having dried in extruder, by extruding, vacuum, cooling, drawing, coil, cut inner core tube Raw material processing being become 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; Degree of vacuum is :-0.04 ~-0.06 MPa; The temperature of cooling water is not higher than 20 DEG C;
(3) inner core tube has been extruded the rear Wiring apparatus that utilizes and industrial dacron thread or polyester belt has been wrapped in the outside of inner core tube, and form enhancement layer, in winding process, tension force controls in the scope of 4kgf-6kgf;
(4) by coated for protective layer 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 thermal insulating material or foamed heat insulating rubber and plastic sponge pipe parcel, form thermal insulation layer, the thermal conductivity of described thermal insulation layer controls within 0.038 [W/ (mk)];
(6) the outside coated upper external protection of thermal insulation layer, external thermal insulation is made up of anticorrosion adhesive tape, and temperature 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN104819350A true CN104819350A (en) | 2015-08-05 |
| CN104819350B CN104819350B (en) | 2016-06-29 |
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| CN201510217936.4A Active 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109749782A (en) * | 2019-01-28 | 2019-05-14 | 青岛伊莱新材料有限公司 | Aoxidize compound chloroflo continuous production technology |
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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 |
-
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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109749782A (en) * | 2019-01-28 | 2019-05-14 | 青岛伊莱新材料有限公司 | Aoxidize compound chloroflo continuous production technology |
| 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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| CN104819350B (en) | 2016-06-29 |
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Inventor after: Gu Xinjun Inventor after: Xie Qi Inventor after: Afoni sub Inventor after: Zhang Chunjian Inventor before: Zhang Chunjian |
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