CN2268829Y - Automatic temperature controlling electric heating film for pipelines - Google Patents
Automatic temperature controlling electric heating film for pipelines Download PDFInfo
- Publication number
- CN2268829Y CN2268829Y CN 96245846 CN96245846U CN2268829Y CN 2268829 Y CN2268829 Y CN 2268829Y CN 96245846 CN96245846 CN 96245846 CN 96245846 U CN96245846 U CN 96245846U CN 2268829 Y CN2268829 Y CN 2268829Y
- Authority
- CN
- China
- Prior art keywords
- pipeline
- electric heating
- heating
- heating film
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a pipeline electric-heating film heater with an automatic temperature controller, which is used for heating pipelines. The pipeline electric-heating film heater with an automatic temperature controller comprises two insulated carrier tiles having back sides attached with electric-heating films, wherein the insulated carrier tiles are buckled on a pipeline, the outer part of the pipeline is coated with a shell body, an insulating layer for thermal insulation is arranged between the shell body and the electric-heating films, and automatic temperature controllers connected in series with conducting wires are arranged on the electric-heating films. When an oil feeding pipeline has not oil or is blocked by mud and the temperature of the pipeline is beyond a rated value, the temperature controllers can automatically cut a power supply; when the temperature of the pipeline is below the rated value, the temperature controllers can automatically switch on the power supply, and the heating temperature of the pipeline can keep in a safe temperature range. The utility model can be widely used for heating pipelines in dangerous places containing explosive mixtures in oil field well sites or factory sites.
Description
This practicality newly belongs to a kind of device for heating electric heating membrane that is used for the pipeline heating.
In the China's oil exploitation, high or in being lower than 0 ℃ environment at oil well oil nozzle place because of the crude oil content of wax, easily in oil nozzle place wax deposition or freeze, cause oil yielding rate to descend or interrupt fuel-displacedly, influence the production of crude oil.For preventing oil nozzle place wax deposition or freezing, invented a kind of pipeline electric heating film heater, its heat transfer efficiency height, long service life is particularly suitable for the various pipeline heating uses in the oil field.But this pipeline electric heating film heater does not have temperature controlling function, does not conform to the ex electrical product quality requirement, can't be applied to the hazardous location that well site, oil field and factory district include explosive mixture.Not fuel-displaced when oil well, or the oil well oil nozzle is when being stopped up by silt particle, and heater can not in time be cut off the electricity supply, and still continues the energising heating, when heated pipe temperature is too high, causes blast easily or causes fire.
The purpose of this utility model is to provide a kind of pipeline electric heating film heating device that has automatic thermostat, heating pipe easily not only prevents to tie cured or icing, guarantees the ordinary production of crude oil, and when oil well not fuel-displaced, or the oil well oil nozzle stopped up by silt, when the temperature of heating pipe surpasses safety value, can cut off the power supply automatically, heated pipe temperature is descended, when temperature drops to rating value, again can automatic processing circuit, continue heating pipe.
The utility model is achieved in that the pipeline electric heating film heating device that has automatic thermostat, comprise that the insulating carrier tile that is fitted with electric heating film on two back sides is fastened on the pipeline, on the insulating carrier tile, be surrounded by housing, between housing and electric heating film, be provided with heat-insulating layer, anti-explosion terminal box is being fixed on top at housing, automatic thermostat is installed on electric heating film, and automatic thermostat is connected on the electrode cable of electric heating film.
The utility model not only pipeline is provided with device for heating electric heating membrane, can be easily the various pipelines in oil field be heated, and can control the temperature of heating pipe by automatic thermostat, when heating-up temperature surpassed safe rating value, automatic thermostat cut off the power supply automatically, and heated pipe temperature is descended, when temperature drops to safe rating value, can automatic processing circuit, continue heating pipe, make the heating-up temperature of pipeline remain at work in the scope of safe rating value.
Fig. 1 is a structural representation of the present utility model, and Fig. 2 is a bimetallic strip automatic thermostat contact closure structures schematic representation, and Fig. 3 is a bimetallic strip automatic thermostat contact disrupted configuration schematic representation, and Fig. 4 is a memory alloy automatic thermostat structural representation.Below in conjunction with accompanying drawing the utility model is further described, the pipeline electric heating film heating device that has automatic thermostat is that the insulating carrier tile (6) that is fitted with electric heating film (5) on two back sides is fastened on the pipeline (7), on insulating carrier tile (6), be surrounded by housing (4), between housing (4) and electric heating film (5), be provided with heat-insulating layer (3), fixing anti-explosion terminal box (1) on the top of housing (4), automatic thermostat (2) is installed on electric heating film (5), and automatic thermostat (2) is connected on the electrode cable of electric heating film (5).Only be connected on automatic thermostat (2) on the electrode cable of electric heating film (5) and can be 1-3, automatic thermostat (2) can be the bimetallic strip automatic thermostat, the bimetallic strip automatic thermostat is totally-enclosed built-in, its structure is all to be enclosed in the seal casinghousing of being made by sytull (8) by the stationary contact (12) that the movable contact (9) of two kinds of metal rolled tinsels that form of different heat expansion coefficient and single gold constitute, housing vacuumizes in (8), and charge into inert gas, as nitrogen or argon gas, draw from housing its two terminated line (10), (11).When the utility model energising heating, the heat that electric heating film (5) is sent is taken away after being absorbed by flowing liquid in the pipeline, and therefore, the movable contact (9) of the bimetallic strip in the automatic thermostat (2) is closed state with stationary contact (12); When not having flow of fluid or oil well mouth to be stopped up in the pipeline by silt particle, the heat that electric heating film (5) is sent can not in time be pulled away, insulating carrier tile (6) is sharply heated up, when temperature rises to overrate, two gold plaques of movable contact (9) are deflected, and cut off circuit, when being reduced to rating value under the temperature, the bimetallic strip of movable contact (9) returns to the state that stretched originally again, makes movable contact (9) and stationary contact (12) be closed state.Automatic thermostat (2) also can be the memory alloy automatic thermostat, it is made of the movable contact (15) and the stationary contact (14) of spring (13) control, by movable contact (15), stationary contact (14) and spring (13) be sealed to be assemblied in the housing (8) of sealing, spring (13) one ends of being made by memory alloy are fixed on the housing (8), the head of the other end and movable contact (15) links, the spring that memory alloy is made (13) is that processing produces plastic deformation under room temperature, after the inner chamber of housing (8) is evacuated, refill inert gases such as nitrogen or argon gas, the wiring (10) of movable contact (15) and stationary contact (14), draw from housing (8) respectively (11).When the utility model energising heating, movable contact (15), the temperature of stationary contact (14) and memory alloy spring (13) raises gradually, when temperature rising overrate, memory alloy spring (13) restores to the original state and is contraction state, movable contact (15) and stationary contact (14) are disengaged, cut off circuit, heater stops heating, when being reduced to rating value under the temperature, memory alloy spring (13) elongation, movable contact (15) and stationary contact (14) closure, heating process is restarted, and makes the interior constant temperature of safety temperature limit of heated pipeline.Automatic thermostat (2) is preferably installed two, if one of them automatic thermostat (2) lost efficacy, then another works, and makes it to have the dual security protection function.
Claims (4)
1. pipeline electric heating film heating device that has automatic thermostat, comprise that the insulating carrier tile (6) that is fitted with electric heating film (5) on two back sides is fastened on the pipeline (7), on insulating carrier tile (6), be surrounded by housing (4), between housing (4) and electric heating film (5), be provided with heat-insulating layer (3), fixing anti-explosion terminal box (1) on the top of housing (4), it is characterized in that automatic thermostat (2) is installed on electric heating film (5), automatic thermostat (2) is connected on the electrode cable of electric heating film (5).
2. pipeline electric heating film heating device according to claim 1 is characterized in that series connection 1-3 automatic thermostat (2) on the electrode cable of electric heating film (5).
3. pipeline electric heating film heating device according to claim 1 is characterized in that automatic thermostat (2) can be the bimetallic strip automatic thermostat.
4. pipeline electric heating film heating device according to claim 1 is characterized in that automatic thermostat (2) also can be the memory alloy automatic thermostat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96245846 CN2268829Y (en) | 1996-11-09 | 1996-11-09 | Automatic temperature controlling electric heating film for pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96245846 CN2268829Y (en) | 1996-11-09 | 1996-11-09 | Automatic temperature controlling electric heating film for pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2268829Y true CN2268829Y (en) | 1997-11-26 |
Family
ID=33918747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96245846 Expired - Fee Related CN2268829Y (en) | 1996-11-09 | 1996-11-09 | Automatic temperature controlling electric heating film for pipelines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2268829Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752600A (en) * | 2008-12-05 | 2010-06-23 | 比亚迪股份有限公司 | Power battery pack |
| CN102597596A (en) * | 2009-11-04 | 2012-07-18 | 东芝三菱电机产业系统株式会社 | Heat transfer device |
| CN105764167A (en) * | 2016-04-22 | 2016-07-13 | 深圳升阳创新科技有限公司 | Heating device with temperature control function and manufacturing technology thereof |
| CN110107257A (en) * | 2019-04-12 | 2019-08-09 | 江苏中船海洋设备有限公司 | High efficiency energy storage environmental protection well head heat-preserving equipment device |
-
1996
- 1996-11-09 CN CN 96245846 patent/CN2268829Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752600A (en) * | 2008-12-05 | 2010-06-23 | 比亚迪股份有限公司 | Power battery pack |
| CN101752600B (en) * | 2008-12-05 | 2013-12-04 | 比亚迪股份有限公司 | Power battery pack |
| CN102597596A (en) * | 2009-11-04 | 2012-07-18 | 东芝三菱电机产业系统株式会社 | Heat transfer device |
| CN102597596B (en) * | 2009-11-04 | 2015-04-01 | 东芝三菱电机产业系统株式会社 | Heat transfer device |
| US9423185B2 (en) | 2009-11-04 | 2016-08-23 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Heat transfer device |
| CN105764167A (en) * | 2016-04-22 | 2016-07-13 | 深圳升阳创新科技有限公司 | Heating device with temperature control function and manufacturing technology thereof |
| CN110107257A (en) * | 2019-04-12 | 2019-08-09 | 江苏中船海洋设备有限公司 | High efficiency energy storage environmental protection well head heat-preserving equipment device |
| CN110107257B (en) * | 2019-04-12 | 2021-05-25 | 江苏中船海洋设备有限公司 | High-efficiency energy-storage environment-friendly wellhead thermal insulation equipment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |