CN202791119U - Independently heated flexible plastic steel reinforced composite pipe - Google Patents
Independently heated flexible plastic steel reinforced composite pipe Download PDFInfo
- Publication number
- CN202791119U CN202791119U CN 201220522706 CN201220522706U CN202791119U CN 202791119 U CN202791119 U CN 202791119U CN 201220522706 CN201220522706 CN 201220522706 CN 201220522706 U CN201220522706 U CN 201220522706U CN 202791119 U CN202791119 U CN 202791119U
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- heating
- electric
- pipeline section
- reinforced composite
- flexible plastic
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- Expired - Fee Related
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model relates to an independently heated flexible plastic steel reinforced composite pipe which comprises an internal expanding tube, heat-insulating foam, a power supply controller and an electric heating pipe section, wherein the electric heating pipe section is coated at the outer periphery of the internal expanding tube, the heat-insulating foam is coated at the outer periphery of the electric heating pipe section, the electric heating pipe section is in circuit connection with the power supply controller. The independent and insulating heating control on an oil pipeline between wells and stations ensures the safety and reliability, and one-way in-series lamination heating can be realized according to the length of the pipe; the independently heated flexible plastic steel reinforced composite pipe is simple in structure, less in heat loss, and energy-saving and environment-friendly; a constant-temperature resistance heating net of a metal pipe is used as a current carrier, electric heat tracing is omitted, and the installation and the construction are convenient and fast. The total pipe is evenly heated, and heat generated by same materials is equal through the same section and under the same environment conditions. The heating speed is fast, the heating temperature is controllable, and the heating speed and the heating temperature are only in direct proportion to the size of current, so that the independently heated flexible plastic steel reinforced composite pipe is beneficial to heating control.
Description
Technical field
The utility model belongs to composite pipe, particularly relates to a kind of independent heating flexible plastic-steel reinforced composite pipe.
Background technique
Well head recovers the oil when carrying, and in the environment of low temperature, ducted crude oil can produce the phenomenon of condensing, and when delivery temperature is lower than former oil freezing point, can produce wax deposition, freezing, causes whole oil transportation work to stop.Therefore, in such environment, should consider the problem aspect two, 1, in wax deposition, when freezing, can promptly carry out de-plugging work 2, in the oil transportation process, monitor at any time the temperature of pipeline, when being lower than uniform temperature, heat or be incubated.Mode of heating commonly used: 1, wet method heating: by in crude oil, mixing hot water heating, steam heating 2, dry type heating: the heating of hot-water line companion heat, resistance heating, electromagnetic induction heating adopt the wet method heating, and great majority all adopt the wet method heating in present oil field oil transportation process.The part Crude Oil Transportation is taked the dry type heating, and the inapplicable dry type heating of continuous reinforced plastic composite pipe (insulation) therefore can only be considered in resistance heating and electromagnetic induction heating.Resistance heating: utilize electric current to emit the heating means that heat comes heating of metal by electrothermal body.Electrothermal body takes insulation mode to be wrapped in above the heated pipeline, utilizes the conduction of heating unit, heat transfer in pipeline.Can adopt the mode of interchange or direct current.Electromagnetic Heating: the Skin effect, eddy current, the resistance heat that utilize electromagnetic induction to produce make the rapidly mode of heating of metal body.Electromagnetic induction heating is to be heated that pipeline is sensed magnetic energy and a kind of mode of heating of generating heat by electric energy being converted to magnetic energy, making, that is: electric energy conversion is magnetic energy, is converted into heat energy again.Adopt above dual mode to the heating of pipeline, no matter be resistance heating mode and induction heating mode, all need resistance wire or inductor coil are wrapped on the pipeline, if pipeline is embedded in underground, resistive conductor or the line of induction have broken, and whole heating all stops, and change also cumbersome.
Summary of the invention
The utility model is intended to overcome the deficiencies in the prior art, and a kind of independent heating flexible plastic-steel reinforced composite pipe is provided.
Independent heating flexible plastic-steel reinforced composite pipe of the present utility model, be to be consisted of by interior swollen cylinder, insulation foam, power-supply controller of electric and electric heating pipeline section, it is characterized in that interior swollen cylinder periphery has coated that electric heating pipeline section, electric heating pipeline section periphery have coated the insulation foam, the electric heating pipeline section is connected with power controller circuit.
As further improvement of the utility model, interior swollen cylinder periphery has coated more than one electric heating pipeline section.
As further improvement of the utility model; the electric heating pipeline section is to have coiled constant temperature resistance heating net, constant temperature resistance heating net periphery in the periphery of core pipe to be provided with successively isolation layer, to strengthen steel belt layer and polyethylene protective layer; two ends at constant temperature resistance heating net are connected with conductive hoop; be equipped with dead ring, two dead rings and the enhancing steel belt layer between it and polyethylene protective layer drive fit in the inboard of two ends conductive hoop, electric heating pipeline section outermost surface is for withholding cover.
As further improvement of the utility model, the conductive hoop of electric heating pipeline section connects wiring terminal, and wiring terminal connects power-supply controller of electric by heating cable.
As further improvement of the utility model, be provided with connecting pipe hoop between each electric heating pipeline section.
As further improvement of the utility model, electric heating pipeline section periphery coats and is provided with the insulation foam, the insulation foam is provided with containment vessel outward.
Independent heating flexible plastic-steel reinforced composite pipe of the present utility model has the following advantages:
1, adopt between well, stand between independent, the insulation of petroleum pipeline add heat control, safe and reliable, can realize according to the length of pipeline that also unidirectional overlapped in series heats;
2, simple in structure, thermal loss is few, energy-conserving and environment-protective;
3, utilize the constant temperature resistance heating of metallic conduit net own as the carrier of electric current, cancelled electrical tracing, installation is convenient and swift;
4, full pipeline heating is even, and by same cross-sectional, under identical environmental conditions, the heat energy that same material produces equates;
5, rate of heating is fast, and heating-up temperature is controlled, and rate of heating, temperature be big or small proportional with electric current only, the control that is conducive to heat;
6, have the tube wall oscillation action, reduce the flowability that viscosity of crude increases crude oil.
Description of drawings
Fig. 1 is the structural representation of independent heating flexible plastic-steel reinforced composite pipe of the present utility model.
Embodiment
As shown in Figure 1, independent heating flexible plastic-steel reinforced composite pipe of the present utility model, be to be made of interior swollen cylinder 1, insulation foam 2, power-supply controller of electric 3 and electric heating pipeline section 4, interior swollen cylinder 1 periphery has coated that electric heating pipeline section 4, electric heating pipeline section 4 peripheries have coated insulation foam 2, electric heating pipeline section 4 is connected with power-supply controller of electric 3 circuit.Interior swollen cylinder 1 periphery has coated more than one electric heating pipeline section 4.
Electric heating pipeline section 4 is to have coiled constant temperature resistance heating net 6, constant temperature resistance heating net 6 peripheries in the periphery of core pipe 5 to be provided with successively isolation layer 7, to strengthen steel belt layer 8 and polyethylene protective layer 9; two ends at constant temperature resistance heating net 6 are connected with conductive hoop 10; be equipped with dead ring 11, two dead rings 11 and the enhancing steel belt layer 8 between it and polyethylene protective layer 9 drive fits in the inboard of two ends conductive hoop 10; electric heating pipeline section 4 outermost surfaces are withheld cover 12 and are made for non-conducting material for withholding cover 12.The conductive hoop 10 of electric heating pipeline section 4 connects wiring terminal 13, and wiring terminal 13 connects power-supply controller of electric 3 by heating cable 14.Be provided with connecting pipe hoop 15 between each electric heating pipeline section 4.Electric heating pipeline section 4 peripheries coat and are provided with insulation foam 2, the insulation foam 2 outer containment vessels 16 that are provided with.
Independent heating flexible plastic-steel reinforced composite pipe of the present utility model, directly utilize the metallic carrier of pipeline itself, realize the technology of pipeline heating, utilize ducted constant temperature resistance heating net 6 as heating element, like this, when carrying electric current by power-supply controller of electric 3 to independent heating flexible plastic-steel reinforced composite pipe, constant temperature resistance heating net 6 can produce certain controlled heat energy in the pipeline, equally, if electric current produces alternation, can produce the magnetic field of alternation, produce Skin effect by electromagnetic induction, therefore eddy current effect, understands very fast formation heat at the constant temperature resistance heating net 6 of independent heating flexible plastic-steel reinforced composite pipe pipeline on constant temperature resistance heating net 6, this part heat by the liquid in the inwall heating pipe, is realized pipeline heating in the mode of conduction.
Claims (6)
1. independent heating flexible plastic-steel reinforced composite pipe, be to be consisted of by interior swollen cylinder (1), insulation foam (2), power-supply controller of electric (3) and electric heating pipeline section (4), it is characterized in that interior swollen (1) periphery coated that electric heating pipeline section (4), electric heating pipeline section (4) periphery have coated insulation foam (2), electric heating pipeline section (4) is connected with power-supply controller of electric (3) circuit.
2. independent heating flexible plastic-steel reinforced composite pipe as claimed in claim 1 is characterized in that interior swollen cylinder (1) periphery has coated more than one electric heating pipeline section (4).
3. independent heating flexible plastic-steel reinforced composite pipe as claimed in claim 1 or 2; it is characterized in that electric heating pipeline section (4) is to have coiled constant temperature resistance heating net (6) in the periphery of core pipe (5); constant temperature resistance heating net (6) periphery is provided with isolation layer (7) successively; strengthen steel belt layer (8) and polyethylene protective layer (9); be connected with conductive hoop (10) at the two ends of constant temperature resistance heating net (6); be equipped with dead ring (11) in the inboard of two ends conductive hoop (10); two dead rings (11) and the enhancing steel belt layer (8) between it and polyethylene protective layer (9) drive fit, electric heating pipeline section (4) outermost surface is for withholding cover (12).
4. independent heating flexible plastic-steel reinforced composite pipe as claimed in claim 1 or 2 is characterized in that the conductive hoop (10) of electric heating pipeline section (4) connects wiring terminal (13), and wiring terminal (13) connects power-supply controller of electric (3) by heating cable (14).
5. independent heating flexible plastic-steel reinforced composite pipe as claimed in claim 1 is characterized in that being provided with connecting pipe hoop (15) between each electric heating pipeline section (4).
6. independent heating flexible plastic-steel reinforced composite pipe as claimed in claim 1 is characterized in that the coating of electric heating pipeline section (4) periphery is provided with insulation foam (2), the outer containment vessel (16) that is provided with of insulation foam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522706 CN202791119U (en) | 2012-10-13 | 2012-10-13 | Independently heated flexible plastic steel reinforced composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522706 CN202791119U (en) | 2012-10-13 | 2012-10-13 | Independently heated flexible plastic steel reinforced composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202791119U true CN202791119U (en) | 2013-03-13 |
Family
ID=47818382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220522706 Expired - Fee Related CN202791119U (en) | 2012-10-13 | 2012-10-13 | Independently heated flexible plastic steel reinforced composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202791119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061399A (en) * | 2013-03-19 | 2014-09-24 | 天津市普友机电设备制造有限公司 | Liner type electric heating lifting pipe |
-
2012
- 2012-10-13 CN CN 201220522706 patent/CN202791119U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061399A (en) * | 2013-03-19 | 2014-09-24 | 天津市普友机电设备制造有限公司 | Liner type electric heating lifting pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20131013 |