CN209196413U - It is a kind of with the heat preservation pipe prefabricated of electric tracer heating system - Google Patents
It is a kind of with the heat preservation pipe prefabricated of electric tracer heating system Download PDFInfo
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- CN209196413U CN209196413U CN201821667564.0U CN201821667564U CN209196413U CN 209196413 U CN209196413 U CN 209196413U CN 201821667564 U CN201821667564 U CN 201821667564U CN 209196413 U CN209196413 U CN 209196413U
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- pipe
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- heating system
- heat preservation
- tube
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Abstract
A kind of to belong to pipe-line equipment technical field with the heat preservation pipe prefabricated of electric tracer heating system, it includes the working steel tube, polyurethane insulation coating and outer protection tube set gradually from inside to outside；Its special feature is that: be arranged on the outer wall of the working steel tube one group of inner cavity axially through heat tracing pipe, the heat tracing pipe uses mental section, and heating cable is laid in heat tracing pipe, the heating cable is constant temperature cable, and insulative pipe sleeve is coated outside heating cable.The utility model avoids scattering and disappearing for heat in medium transmission process, ensure that the ride comfort that the stability of medium temperature and medium flow in the duct.
Description
Technical field
It is especially a kind of with the heat preservation pipe prefabricated of electric tracer heating system the utility model relates to a kind of polyurethane thermal pipe, belong to
In pipe-line equipment technical field.
Background technique
Polyurethane thermal pipe is by interior media pipeline (working steel tube), intermediate rigid polyurethane foam layer (insulating layer)
It is formed with external protection coating (outer protection tube).According to the type of pumped (conveying) medium, polyurethane thermal pipe can be divided into water supply insulating tube,
High-temperature-resistant thermal-insulation pipe conveys the types such as the steamy thermal insulated direct-buried pipe of steam, buried corrosion-resistant insulating tube on petroleum.Especially
For petroleum transportation pipeline, in order to guarantee the stability and its ride comfort that flows in the duct of petroleum temperature, flowing resistance is reduced
Tracing system need to be arranged in power in utilidor, i.e., under the adjoint booster action of external heat source, keep defeated needed for tube fluid
The mode of movement of temperature is sent, therefore optimization design is a kind of heat preservation pipe prefabricated imperative with electric tracer heating system.
Utility model content
The utility model provides a kind of with the heat preservation pipe prefabricated of electric tracer heating system, it passes through outside the working steel tube of insulating tube
Heating cable is arranged on wall, is reached and is guaranteed that temperature of fluid medium is stable, reduces the flow resistance of fluid, promotes fluid media (medium) in pipe
The purpose smoothly flowed in road.
To achieve the above objectives, the present invention adopts the following technical solutions:
It is a kind of with the heat preservation pipe prefabricated of electric tracer heating system, working steel tube, polyurethane including setting gradually from inside to outside are protected
Warm layer and outer protection tube；Its special feature is that: be arranged on the outer wall of the working steel tube one group of inner cavity axially through heat tracing
Pipe, the heat tracing pipe uses mental section, and heating cable is laid in heat tracing pipe, and the heating cable is constant temperature cable,
Insulative pipe sleeve is coated outside heating cable.
It is above-mentioned with the heat preservation pipe prefabricated of electric tracer heating system, the heat tracing pipe is pasted onto work steel by aluminium foil rubbery material
On the outer wall of pipe.
It is above-mentioned with the heat preservation pipe prefabricated of electric tracer heating system, the heat tracing pipe is fixed on working steel tube outer wall by welding manner
On, and aluminium foil rubbery material is pasted in heat tracing tube outer surface.
Above-mentioned with the heat preservation pipe prefabricated of electric tracer heating system, the heat tracing pipe quantity is no less than three, and cross section is rectangle
Pipe or round tube or semi-enclosed die mould box piece structure.
It is above-mentioned with the heat preservation pipe prefabricated of electric tracer heating system, spray epoxy powder coating on the working steel tube outer wall, institute
Epoxy powder coating thickness is stated not less than 0.4 millimeter.
It is above-mentioned that polyurethane insulation coating is formed using polyurethane coating technique with the heat preservation pipe prefabricated of electric tracer heating system, and
Polyurethane insulation coating is outer to coat outer protection tube with polyethylene canoe.
It is above-mentioned with the heat preservation pipe prefabricated of electric tracer heating system, polyurethane heat-insulation is formed using tube-in-tube polyurethane foam technique
Layer.
The utility model is a kind of with the heat preservation pipe prefabricated of electric tracer heating system, and suitable for the conveying of petroleum, it is in work steel
Be arranged on the outer wall of pipe one group of inner cavity axially through heat tracing pipe, the heat tracing pipe use mental section, and in heat tracing pipe apply
If heating cable, thus heat can be generated by heating cable, to make up the thermal loss in medium transmission process；This is practical new
Heat tracing pipe is also pasted on steel pipe by type by aluminium foil rubbery material, or on being welded in working steel tube outer wall heat tracing pipe it is outer
Surface mount aluminium foil rubbery material can reduce the loss of heat by aluminium foil reflecting layer.It can be seen that the utility model avoids
Heat scatters and disappears in medium transmission process, ensure that the ride comfort that the stability of medium temperature and medium flow in the duct.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is A-A the schematic diagram of the section structure in Fig. 1；
Fig. 3 is schematic enlarged-scale view at I in Fig. 2.
Each list of reference numerals in figure are as follows: 1, working steel tube, 2, polyurethane insulation coating, 3, outer protection tube, 4, aluminium foil rubbery material,
5, heat tracing pipe, 6, epoxy powder coating, 7, heating cable, 7-1, insulative pipe sleeve.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the utility model is described in further detail.
Referring to Fig. 1, Fig. 2, Fig. 3, the utility model be it is a kind of with the heat preservation pipe prefabricated of electric tracer heating system, it includes by interior
Working steel tube 1, polyurethane insulation coating 2 and the outer protection tube 3 set gradually outward sprays epoxy on the outer wall of the working steel tube 1
Powder coating 6,6 thickness of epoxy powder coating are not less than 0.4 millimeter；Its special feature is that: in the working steel tube 1
Be arranged on outer wall at least three inner cavities axially through heat tracing pipe 5, the heat tracing pipe 5 use mental section, cross section be square
Shape pipe or round tube or semi-enclosed die mould box piece structure lay heating cable 7, the heating electric in 5 inner cavity of heat tracing pipe
Cable 7 is constant temperature cable, and insulative pipe sleeve 7-1 is coated outside heating cable 7.
It is described in the utility model with the heat preservation pipe prefabricated of electric tracer heating system, first embodiment referring to Fig. 2, Fig. 3 are as follows:
The heat tracing pipe 5 is pasted on the outer wall of working steel tube 1 by aluminium foil rubbery material 4.Its second embodiment are as follows: the heat tracing
Pipe 5 is fixed on 1 outer wall of working steel tube by welding manner, and pastes aluminium foil rubbery material 4 in 5 outer surface of heat tracing pipe.
It is described in the utility model with the heat preservation pipe prefabricated of electric tracer heating system referring to Fig. 1, Fig. 2, Fig. 3, suitable for the defeated of petroleum
Send, it be arranged on the outer wall of working steel tube 1 one group of inner cavity axially through heat tracing pipe 5, the heat tracing pipe 5 use metal mold
Material, and heating cable 7 is laid in heat tracing pipe 5, thus heat can be generated by heating cable 7, to make up medium transmission process
In thermal loss；Heat tracing pipe 5 is also pasted on steel pipe by the utility model by aluminium foil rubbery material 4, or is being welded in
Aluminium foil rubbery material 4 is pasted in the outer surface of heat tracing pipe on 1 outer wall of working steel tube, and the stream of heat can be reduced by aluminium foil reflecting layer
It loses, so that the utility model be made to avoid scattering and disappearing for heat in medium transmission process, ensure that stability and the Jie of medium temperature
The ride comfort that matter flows in the duct.
Claims (7)
1. a kind of with the heat preservation pipe prefabricated of electric tracer heating system, working steel tube (1), polyurethane including setting gradually from inside to outside are protected
Warm layer (2) and outer protection tube (3)；It is characterized in that be arranged on the outer wall of the working steel tube (1) one group of inner cavity axially through companion
Heat pipe (5), the heat tracing pipe (5) uses mental section, and lays heating cable (7) in heat tracing pipe (5), the heating cable
(7) it is constant temperature cable, coats insulative pipe sleeve (7-1) outside heating cable (7).
2. according to claim 1 with the heat preservation pipe prefabricated of electric tracer heating system, characterized in that the heat tracing pipe (5) passes through
Aluminium foil rubbery material (4) is pasted on the outer wall of working steel tube (1).
3. according to claim 1 with the heat preservation pipe prefabricated of electric tracer heating system, characterized in that the heat tracing pipe (5) passes through
Welding manner is fixed on working steel tube (1) outer wall, and pastes aluminium foil rubbery material (4) in heat tracing pipe (5) outer surface.
4. according to claim 2 or 3 with the heat preservation pipe prefabricated of electric tracer heating system, characterized in that heat tracing pipe (5) number
Amount no less than three, cross section is rectangular tube or round tube or semi-enclosed die mould box piece structure.
5. according to claim 4 with the heat preservation pipe prefabricated of electric tracer heating system, characterized in that in the working steel tube (1)
Outer wall on spray epoxy powder coating (6), epoxy powder coating (6) thickness be not less than 0.4 millimeter.
6. according to claim 5 with the heat preservation pipe prefabricated of electric tracer heating system, characterized in that use polyurethane coating technique
Polyurethane insulation coating is formed, and outer protection tube (3) are coated with polyethylene canoe outside in polyurethane insulation coating (2).
7. according to claim 5 with the heat preservation pipe prefabricated of electric tracer heating system, characterized in that sent out using tube-in-tube polyurethane
It steeps technique and forms polyurethane insulation coating (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821667564.0U CN209196413U (en) | 2018-10-15 | 2018-10-15 | It is a kind of with the heat preservation pipe prefabricated of electric tracer heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821667564.0U CN209196413U (en) | 2018-10-15 | 2018-10-15 | It is a kind of with the heat preservation pipe prefabricated of electric tracer heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196413U true CN209196413U (en) | 2019-08-02 |
Family
ID=67407989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821667564.0U Active CN209196413U (en) | 2018-10-15 | 2018-10-15 | It is a kind of with the heat preservation pipe prefabricated of electric tracer heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209196413U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365551A (en) * | 2019-10-18 | 2020-07-03 | 徐昊阳 | Modular heat tracing unit |
| CN112653066A (en) * | 2020-12-19 | 2021-04-13 | 北京太易德电气安装有限公司 | Anti-freezing structure of buried pipeline and construction method |
| CN113970028A (en) * | 2021-11-03 | 2022-01-25 | 安徽启格包装材料有限公司 | Heat preservation device for steam boiler pipeline |
-
2018
- 2018-10-15 CN CN201821667564.0U patent/CN209196413U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365551A (en) * | 2019-10-18 | 2020-07-03 | 徐昊阳 | Modular heat tracing unit |
| CN112653066A (en) * | 2020-12-19 | 2021-04-13 | 北京太易德电气安装有限公司 | Anti-freezing structure of buried pipeline and construction method |
| CN113970028A (en) * | 2021-11-03 | 2022-01-25 | 安徽启格包装材料有限公司 | Heat preservation device for steam boiler pipeline |
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