CN203003361U - Pipeline preheater - Google Patents
Pipeline preheater Download PDFInfo
- Publication number
- CN203003361U CN203003361U CN2012206624787U CN201220662478U CN203003361U CN 203003361 U CN203003361 U CN 203003361U CN 2012206624787 U CN2012206624787 U CN 2012206624787U CN 201220662478 U CN201220662478 U CN 201220662478U CN 203003361 U CN203003361 U CN 203003361U
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- China
- Prior art keywords
- pipeline
- shell
- temperature
- pipeline preheater
- ceramic heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model discloses a pipeline preheater. The problems that an existing pipeline preheater is low in heating and temperature rising efficiency and uneven in temperature, the existing pipeline preheater can be affected by external temperature, and interlayer temperature cannot be guaranteed are solved. The pipeline preheater comprises an outer shell and a ceramic heating block which is connected with the outer shell through a fixing sleeve. The ceramic heating block is provided with an electric heating wire connected with an external power supply. The pipeline preheater has the advantages of being high in preheating and temperature rising efficiency, even in preheating temperature, small in environment influence and capable of guaranteeing interlayer temperature, welding quality of a pipeline welded junction is improved, and the pipeline preheater is suitable for pipeline preheating work in petrochemical industries and other industries.
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 technology
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 interlayer temperature, otherwise affecting weld bond and cold crack can occur due to temperature.
Granted publication number discloses a kind of annular pipe opening heater for the Chinese utility model patent of CN 201455569 U, comprise two semicircular arc heating components, it is characterized in that: heating component has the tracheae of the semicircular arc of a sealing, be provided with the gas nozzle of space on the inner arc of tracheae, be provided with one or more support on the inner arc of tracheae, foot at support is provided with castor, is provided with suction nozzle on 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; Be provided with handle on the outer arc of tracheae.
Existing pre-heating device exists that pre-heating temperature elevation efficient is low, and heating-up temperature is inhomogeneous, is affected by the external environment large, can't guarantee the problem of interlayer temperature.
The utility model content
The utility model is in order to overcome above-mentioned technical problem, and a kind of pipeline preheater is provided, and has pre-heating temperature elevation efficient is high, preheat temperature evenly, is not subject to environment impact, can guarantee the characteristics of interlayer temperature, thereby improve the pipe welding port welding quality.
For achieving the above object, the technical scheme that adopts of the utility model is:
The pipeline preheater comprises shell and ceramic heat piece, and the ceramic heat piece is connected with shell through fixed cover, and the ceramic heat piece is provided with the heating wire that is connected with external power source.
Further, be provided with heat-insulation layer between described shell and ceramic heat piece.
Further, described shell is connected in aggregates by two semicircular arc housings through connecting hinge with stretching device.Further, described semicircular arc housing is provided with the outlet protective cover for the protection of element connecting link.
Further, described fixed cover is connected with shell through bolt or screw.
Further, be equiped with thermocouple on described shell.
Further, described shell is provided with flexible handle.
Operation principle of the present utility model is:
The pipeline preheater is arranged on pipeline outer wall, the ceramic heat piece is close on pipeline outer wall, and the heating wire in the ceramic heat piece generates heat under the function of current, and passes to pipeline outer wall, be located at the heat-insulation layer between ceramic heat piece and shell, can effectively prevent heat loss.
Compared with prior art, the utlity model has following beneficial effect:
One, the utility model comprises shell and ceramic heat piece, and the ceramic heat piece is connected with shell through fixed cover, and the ceramic heat piece is provided with the heating wire that is connected with external power source; Have that pre-heating temperature elevation efficient is high, preheat temperature is even, ambient influnence is little, can guarantee interlayer temperature, improve the pipe welding port welding quality.
Two, be provided with heat-insulation layer between the utility model shell and ceramic heat piece, can effectively prevent heat loss, save electric energy.
Three, shell of the present utility model is connected in aggregatesly by two semicircular arc housings through connecting hinge with stretching device, is convenient to processing and manufacturing and use, utilizes stretching device can guarantee that again the ceramic heat piece in shell can be close to pipeline outer wall, the raising efficiency of heating surface.
Four, to have a heat-radiating properties good for ceramic heat piece of the present utility model, and the pipeline outer wall that passes to of the heat low-consumption high-efficiency of heating wire, pottery has good insulating properties simultaneously, can guarantee to use safety.
Five, the utility model is provided with the outlet protective cover on shell, can guarantee that electric wire does not contact with thermal source, has improved safety in utilization.
Six, the utility model is equipped with on shell and is thermocouple, can detect accurately heating-up temperature, and carries out corresponding control operation.
Seven, this Practical casing is provided with flexible handle, and is easy to install.
Description of drawings
Fig. 1 is the structural representation of pipeline preheater of the present utility model;
Fig. 2 is the cutaway view of pipeline preheater of the present utility model;
Mark in figure: 1 is shell, and 2 is thermocouple, and 3 for connecting hinge, and 4 is stretching device, and 5 are the outlet protective cover, and 6 is fixed cover, and 7 is flexible handle, and 8 is the ceramic heat piece, and 9 is heating wire, and 10 is heat-insulation layer.
The specific 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 and ceramic heat piece 8, and ceramic heat piece 8 is connected with shell through fixed cover 6, and fixed cover 6 is connected with shell 1 through bolt or screw; Be provided with the heating wire 9 that is connected with external power source in ceramic heat piece 8.
The utility model is provided with heat-insulation layer 10 in order to prevent heat loss between shell 1 and ceramic heat piece 8; And be provided with thermocouple 2 on shell 1, can detect accurately heating-up temperature, conveniently carry out corresponding control operation; For easy to install and use, the utility model also is provided with flexible handle 7 on shell 1.
Embodiment one
The pipeline preheater of the present embodiment comprises shell 1 and ceramic heat piece 8, and ceramic heat piece 8 is connected with shell 1 through fixed cover 6, and fixed cover 6 is connected with shell 1 through bolt; Be provided with the heating wire 9 that is connected with external power source in ceramic heat piece 8.
Preferably, fixed cover 6 uses the stainless steel fixed covers, and the semicircular arc housing is provided with 8 with the stainless steel fixed cover, guarantees that ceramic heat piece 8 installs stable.
Be provided with on the semicircular arc housing and protective cover 5 occurs, be used for preventing that the connecting line of heating wire 9 from contacting with thermal source, preferably, outlet protective cover 5 all acute angles are all worn into fillet, and power line becomes 90 angles with the shell of pipeline preheater.
The present embodiment is provided with heat-insulation layer 10 in order to prevent heat loss between shell 1 and ceramic heat piece 8, the material of heat-insulation layer 10 mainly adopts aluminosilicate fiber cotton, has heat loss little, saves the effect of electric energy.Be provided with thermocouple 2 on shell 1, the thermocouple that the present embodiment uses is K type screw-fixing type stage clip thermocouple, has easy for installationly, can be close to by stage clip and pipeline simultaneously, makes this detected temperatures more accurately and reliably.
The present embodiment is provided with flexible handle 7 on shell 1, so that the installation of pipeline preheater and use.
The utility model comprises shell and ceramic heat piece, and the ceramic heat piece is connected with shell through fixed cover, and the ceramic heat piece is provided with the heating wire that is connected with external power source; Have that pre-heating temperature elevation efficient is high, preheat temperature is even, ambient influnence is little, can guarantee interlayer temperature, improve the pipe welding port welding quality.
Claims (7)
1. the pipeline preheater, comprise shell and ceramic heat piece, and the ceramic heat piece is connected with shell through fixed cover, and the ceramic heat piece is provided with the heating wire that is connected with external power source.
2. pipeline preheater according to claim 1, is characterized in that: be provided with heat-insulation layer between described shell and ceramic heat piece.
3. pipeline preheater according to claim 1 is characterized in that: described shell is connected in aggregates by two semicircular arc housings through connecting hinge with stretching device.
4. pipeline preheater according to claim 3, it is characterized in that: described semicircular arc housing is provided with the outlet protective cover for the protection of element connecting link.
5. pipeline preheater according to claim 1, it is characterized in that: described fixed cover is connected with shell through bolt or screw.
6. pipeline preheater according to claim 1, is characterized in that: be equiped with thermocouple on described shell.
7. pipeline preheater according to claim 1, it is characterized in that: described shell is provided with flexible handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206624787U CN203003361U (en) | 2012-12-05 | 2012-12-05 | Pipeline preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206624787U CN203003361U (en) | 2012-12-05 | 2012-12-05 | Pipeline preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203003361U true CN203003361U (en) | 2013-06-19 |
Family
ID=48594994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206624787U Expired - Lifetime CN203003361U (en) | 2012-12-05 | 2012-12-05 | Pipeline preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203003361U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014917A (en) * | 2014-06-12 | 2014-09-03 | 山东电力建设第一工程公司 | Dual-camera device for monitoring welding quality of super-thick-wall high alloy steel pipelines |
| CN106181149A (en) * | 2016-08-17 | 2016-12-07 | 广东工业大学 | The sweating heat processing means that a kind of large-scale sea frock is standby |
| CN111039081A (en) * | 2019-12-31 | 2020-04-21 | 顾建荣 | A categorised wire winding dress for cable production |
-
2012
- 2012-12-05 CN CN2012206624787U patent/CN203003361U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014917A (en) * | 2014-06-12 | 2014-09-03 | 山东电力建设第一工程公司 | Dual-camera device for monitoring welding quality of super-thick-wall high alloy steel pipelines |
| CN104014917B (en) * | 2014-06-12 | 2016-04-06 | 山东电力建设第一工程公司 | Dual camera monitoring hyper-thick pipe high-alloy steel pipeline welding quality device |
| CN106181149A (en) * | 2016-08-17 | 2016-12-07 | 广东工业大学 | The sweating heat processing means that a kind of large-scale sea frock is standby |
| CN111039081A (en) * | 2019-12-31 | 2020-04-21 | 顾建荣 | A categorised wire winding dress for cable production |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |