CN203453649U - Thermal-insulation pipeline with continuous heating function - Google Patents
Thermal-insulation pipeline with continuous heating function Download PDFInfo
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- CN203453649U CN203453649U CN201320433689.8U CN201320433689U CN203453649U CN 203453649 U CN203453649 U CN 203453649U CN 201320433689 U CN201320433689 U CN 201320433689U CN 203453649 U CN203453649 U CN 203453649U
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- continuous heating
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- insulation layer
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Abstract
The utility model relates to a thermal-insulation pipeline with a continuous heating function. The thermal-insulation pipeline comprises a steel pipe used for conveying fluid media, an electric tracing pipe, a thermal-insulation layer, a heat preservation layer and an outer protective pipe from interior to exterior in sequence. The thermal-insulation pipeline with the continuous heating function is easy and convenient to construct; a skin effect heat tracing cable can be replaced at any time when damaged, and the thermal-insulation pipeline is convenient to maintain and low in cost.
Description
Technical field
The utility model relates to insulation pipe, particularly relates to a kind of insulation pipe of continuous heating.
Background technique
The industries such as oil, petrochemical industry and chemical industry are because pipeline need to be in holding temperature (higher than ambient temperature, the specified temp in state of equilibrium that medium or process stream reach under the design condition of regulation) lower operation, as only taked Insulation, no matter it is how thick that insulation is done, the temperature of pipeline finally all can drop to ambient temperature, and this is because there is thermal loss.
Traditional insulation pipe only has heat insulation function, does not possess heating function, when therefore traditional insulation pipe cannot be carried normal temperature, is the medium of curdled appearance.If medium becomes liquid state after heating, just can meet the requirement of conveying, particularly, in long distance line transportation art, dielectric viscosity is higher at normal temperatures, be difficult to flow, but be easy to flow after heating, as: viscous crude, high solidifying oil, fuel heavy oil, coal tar oil.Tradition insulation pipe cannot meet the conveying requirement of above-mentioned medium at all.
Summary of the invention
Because the existing defect of above-mentioned prior art, the purpose of this utility model is, a kind of insulation pipe of continuous heating is provided, and makes it possess the function that insulation is held concurrently and heated.
For above-mentioned purpose, according to the insulation pipe that the invention provides a kind of continuous heating, it comprises from the inside to surface successively: for delivery of steel pipe, electric tracing tube, heat insulation layer, thermal insulation layer and the outer pillar of flowing medium.
The insulation pipe of aforesaid continuous heating, wherein said electric tracing tube is for having ferromagnetic steel pipe, and collection skin accompanying-heat cable is through in TRACER, and the collection skin accompanying-heat cable of this electric tracing tube and insulation at one end links together; This electric tracing tube is arranged at the outer also radially extension of steel pipe of carrying flowing medium.
The insulation pipe of aforesaid continuous heating, wherein said electric tracing tube is welded on this outer surface of steel tube.
The insulation pipe of aforesaid continuous heating, wherein said electric tracing tube is one or follows more.
The insulation pipe of aforesaid continuous heating, wherein said heat insulation layer is aerogel blanket heat insulation layer; Be coated on outside the steel pipe and this electric tracing tube of this conveying flowing medium.
The insulation pipe of aforesaid continuous heating, the material of wherein said this thermal insulation layer is polyurethane foam; This thermal insulation layer is coated on outside this heat insulation layer.
The insulation pipe of aforesaid continuous heating, wherein said polyurethane foam is hard polyurethane foams.
The insulation pipe of aforesaid continuous heating, the material of wherein said outer pillar is high density polyethylene (HDPE); This outer pillar is coated on outside this thermal insulation layer.
The utility model compared with prior art has obvious advantage and beneficial effect.By technique scheme, the insulation pipe of continuous heating of the present utility model, at least has following advantages:
One. the insulation pipe of continuous heating of the present utility model, not only possesses the double companion of insulation hot merit energy, and applicable all long and short distances are carried flowing medium steel pipes, and system of laying is applicable to Various Complex pipeline to be installed, as direct-burried, under water, River Crossing, built on stilts etc.
Two. the insulation pipe of continuous heating of the present utility model, comprise heat insulation layer and thermal insulation layer, the thermal insulation of heat insulation layer excellence and resistance to heat, make the thermal insulation layer can be high temperature resistant for a long time, and the insulation pipe of heating working life can be more than 30 years.
Three. the insulation pipe of continuous heating of the present utility model, wherein the collection skin accompanying-heat cable for Skin effect is heat-resisting cable, because collection skin accompanying-heat cable self forms insulation system, make steel pipe and electric tracing tube outside all not charged, steel pipe safety grounding, guarantee that whole pipeline is zero potential all the time, safe and reliable.
Four. the insulation pipe of continuous heating of the present utility model, site operation is simple and convenient, once the collection skin accompanying-heat cable of insulation damages in construction and installation process, can to it, change at any time, can not affect thermal insulation layer, easy to maintenance, cost is low.
Five. the insulation pipe of continuous heating of the present utility model, its outer pillar utilizes the waterproof sealing performance of high-density polyethylene external protective pipe, effectively keeps out disposable water.
Six. the insulation pipe of continuous heating of the present utility model, the insulation heat-insulating property of its excellence, can significantly reduce insulation layer thickness, and the utilization ratio of construction space can be effectively provided.
Accompanying drawing explanation
Fig. 1 is the axial cross-sectional schematic of the insulation pipe preferred embodiment of the utility model continuous heating.
Fig. 2 is the end face cross-sectional schematic of the insulation pipe of the utility model continuous heating.
Embodiment
For further setting forth the utility model, be to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of insulation pipe of the continuous heating according to the utility model proposes, step, structure, feature and effect thereof are described in detail.
Referring to shown in Fig. 1, Fig. 2, is respectively axial cross-sectional schematic, the end face cross-sectional schematic of the insulation pipe preferred embodiment of the utility model continuous heating.The utility model continues the insulation pipe of the heating of preferred embodiment, comprises successively from the inside to surface steel pipe 1, electric tracing tube 5, heat insulation layer 2, thermal insulation layer 3 and outer pillar 4 for delivery of material.
This electric tracing tube 5 is for having ferromagnetic steel pipe, and collection skin accompanying-heat cable is through in TRACER 5, and the collection skin accompanying-heat cable of this electric tracing tube 5 and insulation at one end links together.During use, at the other end, be connected with ac power supply.This electric tracing tube 5 is arranged at the periphery of this steel pipe 1; In the present embodiment, this electric tracing tube 5 is welded on the periphery of this steel pipe 1.Electric tracing tube 5 has one at least, and the periphery at steel pipe 1 in embodiment is evenly provided with four electric tracing tubes 5.
This heat insulation layer 2 is aerogel blanket heat insulation layer.This heat insulation layer almost can block the transfer of heat that heat conduction, convection current, three kinds of heat transfer types of radiation bring, and this heat insulation layer material is pliable and tough, environmental protection, can suppress radiation, can construct flexibly.This heat insulation layer 2 is coated on outside the steel pipe 1 and this electric tracing tube 5 of this conveying flowing medium.
The material of this thermal insulation layer 3 is polyurethane foam, is preferably hard polyurethane foams.This thermal insulation layer 3 is coated on outside this heat insulation layer 2.
The material of this outer pillar 4 is high density polyethylene (HDPE), possesses the performance of tolerance water soaking and sealing.This outer pillar 4 has that mechanical strength is high, shock-resistant, resisting environmental stress and cracking, corrosion-resistant, low temperature resistant, easy welding, easy construction, strictly seal ne-leakage, long service life.In use this outer pillar has high mechanical strength and good decay resistance, can protect tubing in transportation, installation and use process, to avoid the destruction of causing because of extraneous factor.This outer pillar 4 is coated on outside this thermal insulation layer 3.
During use, the electric tracing tube of the thermal insulation pipe of above-mentioned sustainable heating 5 and collection skin accompanying-heat cable at one end link together, and at the other end, are connected with ac power supply (be generally 50 or 60Hz).Alternating voltage will be in electric tracing tube generation current, electric current flows back to from the inner wall surface of electric tracing tube.Due to the electric current between collection skin accompanying-heat cable and ferromagnetic electric tracing tube in insulation, to produce magnetic flux associated, makes return current concentrate on the inner wall surface of electric tracing tube, in the outer wall surface of heat pipe, in fact there is no the voltage that can measure.When electric current concentrates on the internal surface of electric tracing tube, the heat of generation is delivered to the steel pipe 1 of conveying material and the material being transferred from electric tracing tube, makes its temperature be elevated to predetermined level.
One. the insulation pipe of continuous heating of the present utility model, not only possesses the double companion of insulation hot merit energy, and applicable all long and short apart from conveying liquid body medium steel pipe, system of laying is applicable to Various Complex pipeline to be installed, as direct-burried, under water, River Crossing, built on stilts etc.
Two. the insulation pipe of continuous heating of the present utility model, comprise heat insulation layer and thermal insulation layer, the thermal insulation of heat insulation layer excellence and resistance to heat, make the thermal insulation layer can be high temperature resistant for a long time, and the insulation pipe of heating working life can be more than 30 years.
Three. the insulation pipe of continuous heating of the present utility model, wherein the collection skin accompanying-heat cable for Skin effect is heat-resisting cable, because collection skin accompanying-heat cable self forms insulation system, make steel pipe and electric tracing tube outside all not charged, steel pipe safety grounding, guarantee that whole pipeline is zero potential all the time, safe and reliable.
Four. the insulation pipe of continuous heating of the present utility model, site operation is simple and convenient, once insulation collection skin accompanying-heat cable damages in construction and installation process, can to it, change at any time, can not affect thermal insulation layer, easy to maintenance, cost is low.
Five. the insulation pipe of continuous heating of the present utility model, its outer pillar utilizes the waterproof sealing performance of high-density polyethylene external protective pipe, effectively keeps out disposable water.
Six. the insulation pipe of continuous heating of the present utility model, the insulation heat-insulating property of its excellence, can significantly reduce insulation layer thickness, and the utilization ratio of construction space can be effectively provided.
Although the utility model discloses as above with preferred embodiment, the scope of so not implementing in order to limit the utility model, the simple equivalence of doing according to claims of the present utility model and description changes and modifies, and still belongs in the scope of technical solutions of the utility model.
Claims (8)
1. an insulation pipe for continuous heating, is characterized in that comprising successively from the inside to surface: for delivery of steel pipe, electric tracing tube, heat insulation layer, thermal insulation layer and the outer pillar of flowing medium, wherein this heat insulation layer is aerogel blanket heat insulation layer.
2. the insulation pipe of continuous heating as claimed in claim 1, is characterized in that wherein said electric tracing tube is for having ferromagnetic steel pipe, and collection skin accompanying-heat cable is through in TRACER, and the collection skin accompanying-heat cable of this electric tracing tube and insulation at one end links together; This electric tracing tube is arranged at the outer also radially extension of steel pipe of carrying flowing medium.
3. the insulation pipe of continuous heating as claimed in claim 1, is characterized in that wherein said electric tracing tube is welded on this outer surface of steel tube.
4. the insulation pipe of the continuous heating as described in claim 1 or 3, is characterized in that wherein said electric tracing tube is for one or more.
5. the insulation pipe of continuous heating as claimed in claim 1, is characterized in that wherein said heat insulation layer is coated on outside the steel pipe and this electric tracing tube of this conveying flowing medium.
6. the insulation pipe of continuous heating as claimed in claim 1, the material that it is characterized in that wherein said this thermal insulation layer is polyurethane foam; This thermal insulation layer is coated on outside this heat insulation layer.
7. the insulation pipe of continuous heating as claimed in claim 6, is characterized in that wherein said polyurethane foam is hard polyurethane foams.
8. the insulation pipe of continuous heating as claimed in claim 1, the material that it is characterized in that wherein said outer pillar is high density polyethylene (HDPE); This outer pillar is coated on outside this thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320433689.8U CN203453649U (en) | 2013-07-19 | 2013-07-19 | Thermal-insulation pipeline with continuous heating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320433689.8U CN203453649U (en) | 2013-07-19 | 2013-07-19 | Thermal-insulation pipeline with continuous heating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203453649U true CN203453649U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320433689.8U Expired - Lifetime CN203453649U (en) | 2013-07-19 | 2013-07-19 | Thermal-insulation pipeline with continuous heating function |
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| Country | Link |
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| CN (1) | CN203453649U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989906A (en) * | 2015-08-12 | 2015-10-21 | 辽宁华孚石油高科技股份有限公司 | Continuous steel tube sheath cable electric heat tracing method |
| CN107781581A (en) * | 2017-10-23 | 2018-03-09 | 中投（天津）热力股份有限公司 | A kind of heat tracing of novel anti-abrasion is heat preservation pipe prefabricated |
| CN109253318A (en) * | 2017-07-13 | 2019-01-22 | 中国石油天然气集团公司 | It is a kind of for the Pipeline Crossing Program device of fire wall and application |
| CN109595429A (en) * | 2019-01-25 | 2019-04-09 | 哈尔滨朗格斯特节能科技有限公司 | The superhigh temperature utilidor and heat preservation method compound with polyurethane |
| CN110067911A (en) * | 2019-05-16 | 2019-07-30 | 中建材行业生产力促进中心有限公司 | Embedded medium pipeline and preparation method thereof with freeze proof dampproof effect |
| CN114046388A (en) * | 2021-10-20 | 2022-02-15 | 北京石油化工学院 | Double-layer skin heat tracing device and method for submarine pipeline |
| CN116772018A (en) * | 2023-08-24 | 2023-09-19 | 无锡市环球电器装备有限公司 | Skin-care heat conduction bridge and working method thereof |
-
2013
- 2013-07-19 CN CN201320433689.8U patent/CN203453649U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989906A (en) * | 2015-08-12 | 2015-10-21 | 辽宁华孚石油高科技股份有限公司 | Continuous steel tube sheath cable electric heat tracing method |
| CN109253318A (en) * | 2017-07-13 | 2019-01-22 | 中国石油天然气集团公司 | It is a kind of for the Pipeline Crossing Program device of fire wall and application |
| CN107781581A (en) * | 2017-10-23 | 2018-03-09 | 中投（天津）热力股份有限公司 | A kind of heat tracing of novel anti-abrasion is heat preservation pipe prefabricated |
| CN109595429A (en) * | 2019-01-25 | 2019-04-09 | 哈尔滨朗格斯特节能科技有限公司 | The superhigh temperature utilidor and heat preservation method compound with polyurethane |
| CN110067911A (en) * | 2019-05-16 | 2019-07-30 | 中建材行业生产力促进中心有限公司 | Embedded medium pipeline and preparation method thereof with freeze proof dampproof effect |
| CN114046388A (en) * | 2021-10-20 | 2022-02-15 | 北京石油化工学院 | Double-layer skin heat tracing device and method for submarine pipeline |
| CN116772018A (en) * | 2023-08-24 | 2023-09-19 | 无锡市环球电器装备有限公司 | Skin-care heat conduction bridge and working method thereof |
| CN116772018B (en) * | 2023-08-24 | 2023-10-27 | 无锡市环球电器装备有限公司 | Skin-care heat conduction bridge and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180307 Address after: No. 6, Liu Fang North Street, Chaoyang District, Beijing City, Beijing Patentee after: BEIJING DISTRICT HEATING Group Address before: 100176 Daxing District economic and Technological Development Zone, Beijing into the street, No. 12 Patentee before: BEIJING HTN PIPELINE EQUIPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |