CN202091706U - Replaceable heat tracing belt type heat insulation pipe - Google Patents
Replaceable heat tracing belt type heat insulation pipe Download PDFInfo
- Publication number
- CN202091706U CN202091706U CN201120061070XU CN201120061070U CN202091706U CN 202091706 U CN202091706 U CN 202091706U CN 201120061070X U CN201120061070X U CN 201120061070XU CN 201120061070 U CN201120061070 U CN 201120061070U CN 202091706 U CN202091706 U CN 202091706U
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- Prior art keywords
- pipe
- tracing
- heat insulation
- heating tape
- replaceable
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Abstract
The utility model discloses a replaceable heat tracing belt type heat insulation pipe which comprises a steel pipe and a heat tracing belt. Tracing pipes with equal lengths are welded and fixed on the outer surface of the steel pipe; a foam forming polyurethane heat insulation layer is sprayed or normally pressed on the steel pipe and the outer surfaces of the of the tracing pipes; an outer polyethylene protection layer is extruded and wrapped on the outer surface of the polyurethane heat insulation layer; and the heat tracing belt penetrates into one end of each tracing pipe and out of the other end of the tracing pipe. Due to the replaceable heat tracing belt type heat insulation pipe, the structural model of the traditional electric heat tracing belt type heat insulation pipe is broken through, a new structure for the replaceable heat tracking belt is innovatively designed, the quantity of connectors is reduced and the purpose of easily replacing the heating belt is achieved, therefore, the reliability of the whole electric heat tracing type heat insulation pipe is improved, and the service life is prolonged.
Description
Technical field
The utility model relates to a kind of buried steel electric tracing thermal insulation pipe, is the required electric tracing thermal insulation pipeline of a kind of electric heating oil transportation specifically.
Background technique
The electric tracing thermal insulation pipeline is to follow the oil field gathering and transportation technological development and a kind of new oil production technology technical products that produces.Its major function is to guarantee in the certain-length, line transportation medium (crude oil or oil gas aqueous mixtures) temperature-resistant, prevent to freeze in the medium transport plug, wax deposition, generally need steel tube surface be heated by external application electrical tracing body, be transmitted to interior media again, its temperature is reached more than the medium solidifying point, thereby be convenient to flowing of medium.Conventional electric tracing thermal insulation pipe method for prefabricating is: carbon fibre electrothermal wire (or permanent power heating tape) is twined in the steel pipe outside, then at steel pipe and spraying of heating tape outside or foaming polyurethane insulation coating, at last at polyurethane insulation coating outside polyethylene extrusion outer protective layer; Usually being prefabricated in the factory becomes the single tube of 10~18m, heating tape is embedded in the polyurethane insulation coating in prefabricated process, and it is closely together coated with polyurethane, during on-the-spot the installation, at first steel tube end part is welded together, utilize terminal box or plastic packaging joint that heating unit is coupled together then, at last the ribbon heater joint is embedded in the thermal insulation pipe mending orifice joint.The advantage of this electric tracing thermal insulation tubular construction is that heating tape and steel pipe do not have the gap, damages in case shortcoming is a heating tape, can't change again, causes adding thermal failure, and the TRACER road loses heating function.
Summary of the invention
The purpose of this utility model provides a kind of electric tracing thermal insulation pipeline of replaceable heating tape, and this electric tracing thermal insulation pipe can realize freely changing the purpose of heating tape, and can reduce the heating tape joint, prevents from that heating tape is overheated to blow.
For achieving the above object, the technological scheme that the utility model adopted is: replaceable heating tape formula thermal insulation pipe, comprise steel pipe, heating tape, outer surface at steel pipe welds fixedly companion's line pipe of equal length, outer surface spraying or normal pressure foaming polyurethane insulation coating in steel pipe and companion's line pipe, extrude coated polyethylene outer protective layer at the outer surface of polyurethane insulation coating, heating tape penetrates from an end of companion's line pipe, passes from the other end.
Beneficial effect: the application's replaceable heating tape formula thermal insulation pipe, broken through the tactic pattern of traditional electrical tracing thermal-insulating pipe, innovative design the new structure of replaceable heating tape, compare with traditional electrical tracing thermal-insulating pipe, reduce joint quantity, improved electric tracing thermal insulation pipeline whole reliability; In companion's line pipe, walk heating tape, reached the purpose that is easy to change heating tape, can not destroy the external application thermal insulation layer during renewal, reduce easily damaged parts consumption, reduce expenses; Adopt from limitting warm insulation belt, the temperature limit of electric tracing thermal insulation pipe is fixed in the zone of reasonableness, do not have the drawback of overheated scaling loss, reduce operation power consumption, prolong the whole service life of electric tracing thermal insulation pipeline.
Description of drawings
Fig. 1 is the structural representation of replaceable heating tape formula thermal insulation pipe;
Fig. 2 is the side view of Fig. 1.
Embodiment
Shown in accompanying drawing 1, replaceable heating tape formula thermal insulation pipe, comprise steel pipe 1, heating tape 5, outer surface at steel pipe 1 welds fixedly companion's line pipe 2 of equal length, outer surface spraying or normal pressure foaming polyurethane insulation coating 3 in steel pipe 1 and companion's line pipe 2, extrude coated polyethylene outer protective layer 4 at the outer surface of polyurethane insulation coating 3, heating tape 5 penetrates from an end of companion's line pipe 2, passes from the other end.
Use this replaceable heating tape formula thermal insulation pipe to lay the electric tracing thermal insulation pipeline, the insulating steel tube of several bands companion line pipe 2 that at first is prefabricated in the factory, method for prefabricating is to stick an equal length companion line pipe 2 in the welding of steel pipe 1 outer surface, at the outer surface spraying or the normal pressure foaming polyurethane insulation coating 3 of steel pipe 1 and companion's line pipe 2, extrude coated polyethylene outer protective layer 4 then at the outer surface of polyurethane insulation coating 3; During construction the insulating steel tube of prefabricated band companion line pipe 2 is transported to the scene, each steel pipe 1 is welded together, note during welding guaranteeing to accompany line pipe 2 to dock mutually, all the steel pipe welding finishes, heating tape 5 is walked from each companion's line pipe 2 that has connected, heating tape length is decided with duct length, can cut arbitrarily.Convenient for crossing construction, adopt self-limiting heating cable, can appoint and get length, the volitional check heating-up temperature, heating tape damages can extract out again and changes in the using process.Heating tape 5 non-joint in companion's line pipe 2 is walked, and has solved the in a single day overheated problem of blowing of companion's hot material.Key is according to different operating modes, can select the self-limiting heating cable heating power, according to heating tape boundary dimension, determines companion's row groove size, guarantees that heating tape freely passes through in groove.The heating principle is when giving the heating tape heating power, and heat at first conducts to companion's row groove, passes to the metallic conduit outer surface again, is delivered to interior media at last, constantly keeps the medium transport temperature.
Embodiment 1: adopt φ 60mm steel pipe, the flat type channel-section steel pipe of an equal length of surface soldered outside, spraying or normal pressure foaming thickness are the polyurethane insulation coating of 40mm, the polyethylene layer that to extrude a coated layer thickness be 1.5mm on-the-spotly welds together many thermal insulation pipes, with the flat heating tape from pipeline one end through the other end, the heating tape joint is connected with the 220v power supply, and do water-proofing treating, and insulation waterproof repaired mouth is made in each single tube joint handle, form a whole set of tracing thermal-insulating pipeline.Energising 30min, oil gas aqueous medium temperature in the testing conduit according to selected heating tape power, can make the interior medium of pipe reach 30 ℃~60 ℃, satisfies the delivery technology needs.
[0009] embodiment 2: adopt φ 76mm steel pipe, the flat type channel-section steel pipe of an equal length of surface soldered outside, spraying or normal pressure foaming thickness are the polyurethane insulation coating of 40mm, the polyethylene layer that to extrude a coated layer thickness be 1.5mm, on-the-spot many thermal insulation pipes are welded together, with the flat heating tape from pipeline one end through the other end.
Embodiment 3: adopt φ 89mm steel pipe, the flat type channel-section steel pipe of an equal length of surface soldered outside, spraying or normal pressure foaming thickness are the polyurethane insulation coating of 50mm, the polyethylene layer that to extrude a coated layer thickness be 1.5mm, on-the-spot many thermal insulation pipes are welded together, with the flat heating tape from pipeline one end through the other end.
Claims (1)
1. replaceable heating tape formula thermal insulation pipe, comprise steel pipe (1), heating tape (5), it is characterized in that: the outer surface at steel pipe (1) welds fixedly companion's line pipe (2) of equal length, outer surface spraying or normal pressure foaming polyurethane insulation coating (3) in steel pipe (1) and companion's line pipe (2), extrude coated polyethylene outer protective layer (4) at the outer surface of polyurethane insulation coating (3), heating tape (5) penetrates from an end of companion's line pipe (2), passes from the other end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201120061070XU CN202091706U (en) | 2011-03-10 | 2011-03-10 | Replaceable heat tracing belt type heat insulation pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201120061070XU CN202091706U (en) | 2011-03-10 | 2011-03-10 | Replaceable heat tracing belt type heat insulation pipe |
Publications (1)
Publication Number | Publication Date |
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CN202091706U true CN202091706U (en) | 2011-12-28 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201120061070XU Expired - Fee Related CN202091706U (en) | 2011-03-10 | 2011-03-10 | Replaceable heat tracing belt type heat insulation pipe |
Country Status (1)
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CN (1) | CN202091706U (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104373740A (en) * | 2014-10-29 | 2015-02-25 | 无锡金顶石油管材配件制造有限公司 | Petroleum pipeline |
CN105387292A (en) * | 2015-12-29 | 2016-03-09 | 淄博环能海臣环保技术服务有限公司 | Metal conductor electric heating heat-preservation plastic pipe |
CN106535373A (en) * | 2016-12-16 | 2017-03-22 | 杜文晶 | Dismantling-free thermal-insulation replaceable electric heat tracing apparatus and use method therefor |
CN106959222A (en) * | 2017-03-06 | 2017-07-18 | 无锡中科水质环境技术有限公司 | A kind of water sampling device for monitoring water quality on line system |
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 |
CN107965632A (en) * | 2017-11-27 | 2018-04-27 | 淮阴工学院 | The insulation construction and installation method of gas theory waste heat boiler instrument sampling line |
CN109681714A (en) * | 2018-12-20 | 2019-04-26 | 科莱斯(天津)电热科技有限公司 | A kind of method that accompanying-heat cable threading is welded with steel pipe skylight |
CN110043739A (en) * | 2019-04-30 | 2019-07-23 | 广船国际有限公司 | Electric tracer heating system keeps the temperature pipe clamp and pipe insulation method |
CN113738957A (en) * | 2021-09-02 | 2021-12-03 | 芜湖达锦新材料科技有限公司 | Air-conditioning heat-insulating pipe for low-temperature-resistant modified high-molecular polyethylene material and preparation method thereof |
CN114454906A (en) * | 2022-02-25 | 2022-05-10 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle under-car pipeline arrangement structure, underframe and railway vehicle |
-
2011
- 2011-03-10 CN CN201120061070XU patent/CN202091706U/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104373740A (en) * | 2014-10-29 | 2015-02-25 | 无锡金顶石油管材配件制造有限公司 | Petroleum pipeline |
CN105387292A (en) * | 2015-12-29 | 2016-03-09 | 淄博环能海臣环保技术服务有限公司 | Metal conductor electric heating heat-preservation plastic pipe |
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 |
CN106535373A (en) * | 2016-12-16 | 2017-03-22 | 杜文晶 | Dismantling-free thermal-insulation replaceable electric heat tracing apparatus and use method therefor |
CN106959222A (en) * | 2017-03-06 | 2017-07-18 | 无锡中科水质环境技术有限公司 | A kind of water sampling device for monitoring water quality on line system |
CN107965632A (en) * | 2017-11-27 | 2018-04-27 | 淮阴工学院 | The insulation construction and installation method of gas theory waste heat boiler instrument sampling line |
CN109681714A (en) * | 2018-12-20 | 2019-04-26 | 科莱斯(天津)电热科技有限公司 | A kind of method that accompanying-heat cable threading is welded with steel pipe skylight |
CN110043739A (en) * | 2019-04-30 | 2019-07-23 | 广船国际有限公司 | Electric tracer heating system keeps the temperature pipe clamp and pipe insulation method |
CN113738957A (en) * | 2021-09-02 | 2021-12-03 | 芜湖达锦新材料科技有限公司 | Air-conditioning heat-insulating pipe for low-temperature-resistant modified high-molecular polyethylene material and preparation method thereof |
CN114454906A (en) * | 2022-02-25 | 2022-05-10 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle under-car pipeline arrangement structure, underframe and railway vehicle |
CN114454906B (en) * | 2022-02-25 | 2023-09-19 | 中车青岛四方机车车辆股份有限公司 | Lower pipeline arrangement structure of railway vehicle, underframe and railway vehicle |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20200310 |