CN202955404U - Pipeline preheater - Google Patents
Pipeline preheater Download PDFInfo
- Publication number
- CN202955404U CN202955404U CN 201220662298 CN201220662298U CN202955404U CN 202955404 U CN202955404 U CN 202955404U CN 201220662298 CN201220662298 CN 201220662298 CN 201220662298 U CN201220662298 U CN 201220662298U CN 202955404 U CN202955404 U CN 202955404U
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- Prior art keywords
- shell
- pipeline
- insulation layer
- ceramic heat
- thermal insulation
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Abstract
The utility model discloses a pipeline preheater, which aims at solving the problems that heating equipment of the existing pipeline has low heating efficiency and the heating temperature cannot be controlled accurately. The pipeline preheater comprises a shell, a thermal insulation layer and a ceramic heating block, wherein the ceramic heating block is installed on the shell and is internally provided with an electric heating wire connected with an external power supply, the electric heating wire is a nickel chrome wire cable, the thermal insulation layer is arranged between the shell and the ceramic heating block, and the shell is provided with a thermocouple. The pipeline preheater has high preheating efficiency, can control the preheating temperature accurately, prevents heat from losing, and saves electricity energy.
Description
Technical field
The utility model belongs to pipeline preheating technology field, relates in particular to a kind of pipeline preheater, and the utility model is applicable to the oil industry, also is applicable to the pre-hot work of other industry pipeline.
Background technique
At present, transmission for materials such as gas, liquid usually needs pipeline transmission large-scale, long distance, and the weld bond of connecting line is vital, if the pipeline weld bond goes wrong, consequence is well imagined, so one of them critical process when guaranteeing the preheating of weld bond quality and interpass temperature, otherwise because the affecting weld bond and cold crack can occur of temperature.
Notice of authorization number discloses a kind of annular pipe opening heater for the Chinese utility model patent of CN 201455569 U, comprise two semicircular arc heating modules, it is characterized in that: heating module has the tracheae of the semicircular arc of a sealing, be provided with the gas nozzle of space at the inner arc of tracheae, inner arc at tracheae is provided with one or more support, foot at support is provided with castor, is provided with air inlet nozzle at tracheae; The axis of gas nozzle is perpendicular to the tangent line of tracheae phase contact; The axis of support perpendicular to the tangent line of tracheae phase contact; Outer arc at tracheae is provided with handle.
Application number is that the Chinese utility model patent of 200820155217.X discloses a kind of pipeline heater, comprise heating wire, insulation heat insulation loop, heating wire is located in the insulation heat insulation loop, and the insulation heat insulation loop is made as cirque structure, and heating wire is looped around on the inner peripheral surface of insulation heat insulation loop.
This heating wire is looped around on the inner peripheral surface of insulation heat insulation loop, can cause the efficiency of heating surface low.
Simultaneously, existing pipeline heating equipment is not owing to there is temperature controlling device, and causing can only be to the rough heating of heating object, can not accomplish that temperature controls accurately.
The model utility content
The utility model is in order to overcome above-mentioned technical problem, and a kind of pipeline preheater is provided, and it is high to have the pre-thermal efficiency, can control accurately preheating temperature simultaneously.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is:
A kind of pipeline preheater is characterized in that: comprise shell, thermal insulation layer and ceramic heat piece, described ceramic heat piece is installed on the shell, is provided with the electric heating wire that is connected with external power supply in the ceramic heat piece, and described electric heating wire is the nickel chrome wire cable; Described thermal insulation layer is located between shell and the ceramic heat piece; Described shell is provided with thermocouple.
Further, described shell is formed by connecting through connecting hinge and stretching device by two semicircular arc housings.
Further, described thermal insulation layer is made by aluminosilicate fiber cotton.
Further, described thermocouple is K type screw-fixing type stage clip thermocouple.
Working principle of the present utility model is:
The pipeline preheater is installed on the pipeline outer wall, and the ceramic heat piece is close on the pipeline outer wall, and the nickel chrome wire cable in the ceramic heat piece generates heat under the function of current, and is directly passed to pipeline outer wall; Shell is provided with thermocouple simultaneously, can measure the temperature of preheating, thereby control accurately the temperature of preheating.
Compared with prior art, the utlity model has following beneficial effect:
One, the utility model is drawn together shell, thermal insulation layer and ceramic heat piece, and the ceramic heat piece is installed on the shell, is provided with the nickel chrome wire cable electric heating wire that is connected with external power supply in the ceramic heat piece; Thermal insulation layer is located between shell and the ceramic heat piece; Shell is provided with thermocouple.The ceramic heat piece can insulate, by having good thermal radiation.In the time of preheating, the ceramic heat piece directly is close to pipeline outer wall; Simultaneously between ceramic heat piece and shell, be provided with thermal insulation layer, effectively prevent the loss of heat, so that the pre-thermal efficiency of the utility model is high.
Two, the utility model is provided with thermocouple at shell, can measure accurately the temperature of preheating, thereby controls accurately the temperature of preheating.
Three, the utility model is provided with thermal insulation layer between ceramic heat piece and shell, can effectively prevent the loss of heat, plays the effect of saving power.
The advantages such as four, thermal insulation layer of the present utility model adopts aluminosilicate fiber cotton to make, and has high temperature resistant, good thermal stability, and pyroconductivity is low, thermal capacitance is little, anti-mechanical vibration are good, expanded by heating is little, heat-shielding performance is good are so that the utility model high insulating effect.
Five, thermocouple of the present utility model adopts K type screw-fixing type stage clip thermocouple, has characteristics easy to install and use.
Description of drawings
Fig. 1 is the utility model embodiment one structural representation;
Fig. 2 is the sectional view of Fig. 1;
Mark among the figure: 1 is shell, and 2 is thermocouple, and 3 for connecting hinge, and 4 is stretching device, and 5 is fixed cover, and 6 is flexible handle, and 7 is the ceramic heat piece, and 8 is electric heating wire, and 9 is thermal insulation layer, and 10 is screw.
Embodiment
The utility model will be further described below in conjunction with the drawings and the specific embodiments.
Pipeline preheater of the present utility model comprises shell 1, thermal insulation layer 9 and ceramic heat piece 7, and ceramic heat piece 7 is installed on the shell 1, is provided with the electric heating wire 8 that is connected with external power supply in the ceramic heat piece 7, and electric heating wire 8 is the nickel chrome wire cable; Thermal insulation layer 9 is located between shell 1 and the ceramic heat piece 7; Shell 1 is provided with thermocouple 2.Shell 1 is formed by connecting through connecting hinge 3 and stretching device 4 by two semicircular arc housings; Thermal insulation layer 9 is made by aluminosilicate fiber cotton; Thermocouple 2 is K type screw-fixing type stage clip thermocouple.
The pipeline preheater of embodiment's one present embodiment comprises shell 1, thermal insulation layer 9 and ceramic heat piece 7, and ceramic heat piece 7 is installed on the shell 1, is provided with the electric heating wire 8 that is connected with external power supply in the ceramic heat piece 7, and electric heating wire 8 is the nickel chrome wire cable; Thermal insulation layer 9 is located between shell 1 and the ceramic heat piece 7; Shell 1 is provided with thermocouple 2.
Shell 1 is formed by connecting through connecting hinge 3 and stretching device 4 by two semicircular arc housings, and preferably, the semicircular arc housing selects that the high-quality of 1.5mm is cold rolling rolls the volume machine in special use and once roll roll forming with special-purpose assorted mould.Thermal insulation layer 9 is made by aluminosilicate fiber cotton, has high temperature resistant, good thermal stability, the advantage that pyroconductivity is low, thermal capacitance is little, anti-mechanical vibration are good, expanded by heating is little, heat-shielding performance is good; Thermocouple 2 is K type screw-fixing type stage clip thermocouple, has easy to install and use.For the ease of installing and using, present embodiment also is provided with flexible handle 6 outside housing.
The pipeline preheater is installed on the pipeline outer wall, and ceramic heat piece 7 is close on the pipeline outer wall, and the nickel chrome wire cable in the ceramic heat piece 7 generates heat under the function of current, and is directly passed to pipeline outer wall; Shell 1 is provided with thermocouple 2 simultaneously, can measure the temperature of preheating, thereby control accurately the temperature of preheating.
The utlity model has pre-thermal efficiency height, be heated evenly, can control accurately preheating temperature, can also prevent the loss of heat simultaneously, saving power.
Claims (4)
1. pipeline preheater, it is characterized in that: comprise shell, thermal insulation layer and ceramic heat piece, described ceramic heat piece is installed on the shell, is provided with the electric heating wire that is connected with external power supply in the ceramic heat piece, and described electric heating wire is the nickel chrome wire cable; Described thermal insulation layer is located between shell and the ceramic heat piece; Described shell is provided with thermocouple.
2. pipeline preheater according to claim 1 is characterized in that: described shell is formed by connecting through connecting hinge and stretching device by two semicircular arc housings.
3. pipeline preheater according to claim 1, it is characterized in that: described thermal insulation layer is made by aluminosilicate fiber cotton.
4. pipeline preheater according to claim 1, it is characterized in that: described thermocouple is K type screw-fixing type stage clip thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220662298 CN202955404U (en) | 2012-12-05 | 2012-12-05 | Pipeline preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220662298 CN202955404U (en) | 2012-12-05 | 2012-12-05 | Pipeline preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202955404U true CN202955404U (en) | 2013-05-29 |
Family
ID=48460976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220662298 Expired - Lifetime CN202955404U (en) | 2012-12-05 | 2012-12-05 | Pipeline preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202955404U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103476154A (en) * | 2013-09-30 | 2013-12-25 | 邵宏 | High-load heater and control method |
| CN106200722A (en) * | 2016-08-31 | 2016-12-07 | 中国科学院长春光学精密机械与物理研究所 | A kind of accurate thermal controls apparatus for space camera high stability truss rod |
| CN106200723A (en) * | 2016-08-31 | 2016-12-07 | 中国科学院长春光学精密机械与物理研究所 | A kind of accurate thermal controls apparatus for the hollow truss rod of space camera high stability |
| CN107218467A (en) * | 2016-03-21 | 2017-09-29 | 中国石油天然气股份有限公司 | A kind of method and apparatus of pipeline preheating |
| CN110355977A (en) * | 2018-04-08 | 2019-10-22 | 上海纳川核能新材料技术有限公司 | A kind of polyethylene thick-walled pipe hot melt auxiliary traction equipment |
| CN110585989A (en) * | 2019-09-06 | 2019-12-20 | 陕西师范大学 | Preheating type vaporization mixer |
| CN111761260A (en) * | 2020-06-10 | 2020-10-13 | 湖南顶立科技有限公司 | Heating device for spherical shell |
| CN114487007A (en) * | 2022-01-25 | 2022-05-13 | 应急管理部天津消防研究所 | Assembly type steel frame device capable of replacing fire-resistant test component and test method |
-
2012
- 2012-12-05 CN CN 201220662298 patent/CN202955404U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103476154A (en) * | 2013-09-30 | 2013-12-25 | 邵宏 | High-load heater and control method |
| CN107218467A (en) * | 2016-03-21 | 2017-09-29 | 中国石油天然气股份有限公司 | A kind of method and apparatus of pipeline preheating |
| CN107218467B (en) * | 2016-03-21 | 2018-12-25 | 中国石油天然气股份有限公司 | A kind of method and apparatus of pipeline preheating |
| CN106200722A (en) * | 2016-08-31 | 2016-12-07 | 中国科学院长春光学精密机械与物理研究所 | A kind of accurate thermal controls apparatus for space camera high stability truss rod |
| CN106200723A (en) * | 2016-08-31 | 2016-12-07 | 中国科学院长春光学精密机械与物理研究所 | A kind of accurate thermal controls apparatus for the hollow truss rod of space camera high stability |
| CN110355977A (en) * | 2018-04-08 | 2019-10-22 | 上海纳川核能新材料技术有限公司 | A kind of polyethylene thick-walled pipe hot melt auxiliary traction equipment |
| CN110585989A (en) * | 2019-09-06 | 2019-12-20 | 陕西师范大学 | Preheating type vaporization mixer |
| CN110585989B (en) * | 2019-09-06 | 2021-12-21 | 陕西师范大学 | Preheating type vaporization mixer |
| CN111761260A (en) * | 2020-06-10 | 2020-10-13 | 湖南顶立科技有限公司 | Heating device for spherical shell |
| CN111761260B (en) * | 2020-06-10 | 2022-02-11 | 湖南顶立科技有限公司 | Heating device for spherical shell |
| CN114487007A (en) * | 2022-01-25 | 2022-05-13 | 应急管理部天津消防研究所 | Assembly type steel frame device capable of replacing fire-resistant test component and test method |
| CN114487007B (en) * | 2022-01-25 | 2024-02-06 | 应急管理部天津消防研究所 | Assembled steel frame device capable of replacing fireproof test components and testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130529 |
|
| CX01 | Expiry of patent term |