CN209545896U - A kind of heating device for the experiment of piping thermal (temperature difference) stress - Google Patents
A kind of heating device for the experiment of piping thermal (temperature difference) stress Download PDFInfo
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- CN209545896U CN209545896U CN201822027128.3U CN201822027128U CN209545896U CN 209545896 U CN209545896 U CN 209545896U CN 201822027128 U CN201822027128 U CN 201822027128U CN 209545896 U CN209545896 U CN 209545896U
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Abstract
The utility model belongs to electric power system power transformation equipment temperature rise test field, more particularly to a kind of heating device for the experiment of piping thermal (temperature difference) stress, including heating system and temperature control equipment two parts, the heating system includes: external insulation layer, helical corrugation heating tube and fixed bracket, the insulating layer is coated on the outer surface of tested pipeline, the fixed bracket is made of mobile jib and strut, one end of the strut is fixed together with mobile jib, and strut along the axial direction of mobile jib at Spiral distribution, the other end of the strut is provided with through-hole by the position of close end, the helical corrugation heating tube is flexible, it forms spiral shape heating element after sequentially passing through the through-hole on each strut, the power input of the helical corrugation heating tube is connect with the power output end of the temperature control equipment.The heating devices heat of the utility model is high-efficient, low cost, temperature rise are fast, the homogeneous heating and easily controllable temperature heating device for tested pipeline heating.
Description
Technical field
The utility model relates to electric power system power transformation equipment temperature rise test fields, more particularly to a kind of piping temperature difference that is used for answer
The heating device of power experiment.
Background technique
In probing into the experiment that temperature influences pipe stress, need to heat up to tested pipeline, existing heating side
Formula is mainly gas heating or hot water circulation type heating, and wherein that there are heating efficiencies is low, cost is high, temperature rise is slow asks for gas heating
Topic；In addition, there is also the defects for having open fire, exhaust gas, waste residue for gas heating；Hot water circulation type heating is too fast, warm there is also cooling down
Degree should not control, heat non-uniform problem；In addition hot water circulation type heating damages laboratory apparatus there is also leak
Defect.Therefore, it is necessary to study the heating devices that one kind can overcome the above problem, in order to probe into temperature to pipe stress shadow
The progress of loud experiment.
Utility model content
For above-mentioned problems of the prior art, the purpose of this utility model is to provide one kind to be used for the piping temperature difference
The heating device of stress test.The heating devices heat of the utility model is high-efficient, low cost, temperature rise are fast, homogeneous heating and easily
In the heating device for tested pipeline heating of control temperature.
To achieve the above object, specifically, the utility model discloses following technical proposals:
A kind of heating device for the experiment of piping thermal (temperature difference) stress, comprising: heating system and temperature control equipment two parts,
The heating system includes: that external insulation layer, helical corrugation heating tube and fixed bracket, the insulating layer are coated on tested pipeline
Outer surface, the fixed bracket is made of mobile jib and strut, and one end and the mobile jib of the strut are fixed together, and props up
For bar along the axial direction of mobile jib at Spiral distribution, the other end of the strut is provided with through-hole by the position of close end, described
Helical corrugation heating tube be it is flexible, sequentially pass through and form spiral shape heating element after the through-hole on each strut.
Further, the temperature control equipment includes: central controller, relay, solenoid valve and temperature sensor, institute
It states temperature sensor to be installed between the heating tested pipeline and the external insulation layer, the signal of the temperature sensor is defeated
Outlet is connect with the temperature signal input of the central controller, the control signal output and relay of the central controller
The signal input part of device connects, and the signal output end of the relay and the signal input part of solenoid valve connect, the solenoid valve
It is connected to the power output end of the helical corrugation heating tube.The temperature of pipeline can be understood at any time by temperature sensor, in
Centre controller compares the actual temperature of pipeline and set temperature needed for experiment, to realize energization power-off, keeps pipe
Channel temp is relative constant.
The power input of the helical corrugation heating tube is connect with the power output end of the temperature control equipment.
Further, the helical corrugation heating tube is made of asbestos shell flexible and internal resistance silk.
Further, the length of the mobile jib is not more than the length of tested pipeline.
Further, the length of the strut, which is subject to, to be put into tested pipeline for fixed bracket, be put into rear mobile jib with
Tested pipeline coaxial line.
Further, the external insulation layer is made of polyurethane foam.
Further, the fixed bracket is made of the material resistant to high temperature such as steel or aluminium alloy.
Compared with prior art, the utility model obtains following technical effect:
(1) the utility model is made pipeline temperature rise by the way of heat transfer and heat preservation and keeps temperature in a certain range
It is constant, the method thermal efficiency is high, it can be achieved that the flames of anger, the Simple automation control without exhaust gas, waste residue, low cost, easy to operate
And quick heating, work efficiency is high.The heating device of the utility model can be widely applied to the heating experiment of various thermal conductive pipes.
(2) the utility model fixes helical corrugation heating tube with fixed bracket, and can reach makes tested pipeline and electric heating spiral shell
The purpose to insulate between spin line circle, and tested pipeline can be made to be uniformly heated, it can also avoid contacting with laboratory apparatus causing
The damage of laboratory apparatus.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the schematic diagram of heating device that the utility model is used for the experiment of piping thermal (temperature difference) stress.
Fig. 2 is the support bracket fastened structural schematic diagram of the utility model.
Fig. 3 is the structural schematic diagram of the utility model strut.
Fig. 4 is structural schematic diagram of the utility model for the heating device use state of piping thermal (temperature difference) stress experiment.
Marking in attached drawing indicates: 1- external insulation layer, 2- helical corrugation heating tube, 3- mobile jib, 4- strut, 5- through-hole, 6-
Line inlet, 7- line outlet, 8- tested pipeline.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, currently, there are more problems, such as support knot for the sliding supporting structure that uses of scene
Structure is thin, easily deforms under piping gravity, and piping can not be slided normally；It is of poor quality to slidably support gasket, friction system
Number is high；To solve the above-mentioned problems, the utility model provides a kind of heating device for the experiment of piping thermal (temperature difference) stress, below
The utility model is described further in conjunction with the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1-3, a kind of heating device for the experiment of piping thermal (temperature difference) stress, comprising: heating system and temperature control
Device two parts processed, the heating system include: external insulation layer 1, helical corrugation heating tube 2 and fixed bracket, the heat preservation
Layer is coated on the outer surface of tested pipeline 8, and the fixed bracket is made of mobile jib 3 and strut 4, one end of the strut 4 and master
Bar 3 is fixed together, and strut 4 along the axial direction of mobile jib 3 at Spiral distribution, the other end of the strut 4 is close
The position of end is provided with through-hole 5, the helical corrugation heating tube 2 be it is flexible, sequentially pass through logical on each strut 4
Spiral shape heating element is formed behind hole 5.
The temperature control equipment includes: central controller, relay, solenoid valve and temperature sensor, and the temperature passes
Sensor is installed between the heating tested pipeline and the external insulation layer, the signal output end of the temperature sensor and institute
State the temperature signal input connection of central controller, the control signal output of the central controller and the signal of relay
Input terminal connection, the signal output end of the relay and the signal input part of solenoid valve connect, and the solenoid valve is connected to institute
State the power output end of helical corrugation heating tube.
The power input of the helical corrugation heating tube 2 is connect with the power output end of the temperature control equipment.
The length of the mobile jib 3 is not more than the length of tested pipeline 8.The length of the strut 4 is can will fix bracket
It is put into subject to tested pipeline 8, is put into rear mobile jib 3 and 8 coaxial line of tested pipeline.The external insulation layer 1 is by polyurethane foam system
At.The fixed bracket is formed from steel.The helical corrugation heating tube 2 is made of asbestos shell flexible and internal resistance silk.
Embodiment 2
The application method of heating device described in embodiment 1 for the experiment of piping thermal (temperature difference) stress, as shown in Figure 4, comprising:
(1) external insulation layer 1 is coated on to the outside for needing detected pipeline 8 first；
(2) line inlet 6 and line outlet 7 are opened up respectively at the both ends of tested pipeline 8；
(3) spiral shell is formed after helical corrugation heating tube 2 being sequentially passed through the through-hole 5 on each strut 4 on fixed bracket
Revolve shape heating element；Then the spiral shape heating element is put into pipeline along the axial direction of tested pipeline 8；
(4) power input of helical corrugation heating tube 2 is pierced by from line inlet rear and the temperature control equipment
Power output end connection connects the power output end of helical corrugation heating tube is pierced by the rear and solenoid valve from line outlet
It is logical；
(5) after the installation is completed by the port closed of tested pipeline 8, to 2 electrified regulation of helical corrugation heating tube；Pass through temperature
Sensor can understand the temperature of pipeline, the central controller set temperature that the actual temperature of pipeline and experiment is required at any time
(between 60-70 DEG C) compares, to realize energization power-off, keeps pipe temperature relative constant.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (6)
1. a kind of heating device for the experiment of piping thermal (temperature difference) stress, which is characterized in that the heating device includes: heating system
With temperature control equipment two parts, the heating system includes: external insulation layer, helical corrugation heating tube and fixed bracket, institute
State the outer surface that insulating layer is coated on tested pipeline, the fixed bracket is made of mobile jib and strut, one end of the strut with
Mobile jib is fixed together, and strut along the axial direction of mobile jib at Spiral distribution, the other end of the strut leans on proximal end
The position in portion is provided with through-hole, the helical corrugation heating tube be it is flexible, after sequentially passing through the through-hole on each strut
Form spiral shape heating element；
The temperature control equipment includes: central controller, relay, solenoid valve and temperature sensor, the temperature sensor
Be installed between the heating tested pipeline and the external insulation layer, the signal output end of the temperature sensor and it is described in
The temperature signal input connection of controller is entreated, the control signal output of the central controller and the signal of relay input
End connection, the signal output end of the relay and the signal input part of solenoid valve connect, and the solenoid valve is connected to the spiral shell
Revolve the power output end of ripple heating tube；
The power input of the helical corrugation heating tube is connect with the power output end of the temperature control equipment.
2. the heating device for the experiment of piping thermal (temperature difference) stress as described in claim 1, which is characterized in that the helical corrugation
Heating tube is made of asbestos shell flexible and internal resistance silk.
3. the heating device for the experiment of piping thermal (temperature difference) stress as described in claim 1, which is characterized in that the length of the mobile jib
Degree is not more than the length of tested pipeline.
4. the heating device as described in any one of claims 1-3 for the experiment of piping thermal (temperature difference) stress, which is characterized in that described
The length of strut, which is subject to, to be put into tested pipeline for fixed bracket, be put into rear mobile jib and tested pipeline coaxial line.
5. the heating device as described in any one of claims 1-3 for the experiment of piping thermal (temperature difference) stress, which is characterized in that described
External insulation layer is made of polyurethane foam.
6. the heating device as described in any one of claims 1-3 for the experiment of piping thermal (temperature difference) stress, which is characterized in that described
Fixed bracket is made of steel or aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822027128.3U CN209545896U (en) | 2018-12-04 | 2018-12-04 | A kind of heating device for the experiment of piping thermal (temperature difference) stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822027128.3U CN209545896U (en) | 2018-12-04 | 2018-12-04 | A kind of heating device for the experiment of piping thermal (temperature difference) stress |
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| Publication Number | Publication Date |
|---|---|
| CN209545896U true CN209545896U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822027128.3U Expired - Fee Related CN209545896U (en) | 2018-12-04 | 2018-12-04 | A kind of heating device for the experiment of piping thermal (temperature difference) stress |
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| CN (1) | CN209545896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838210A (en) * | 2022-05-12 | 2022-08-02 | 上海山安建设工程有限公司 | Automatic heating medium heating system for heating power secondary pipe network |
-
2018
- 2018-12-04 CN CN201822027128.3U patent/CN209545896U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838210A (en) * | 2022-05-12 | 2022-08-02 | 上海山安建设工程有限公司 | Automatic heating medium heating system for heating power secondary pipe network |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20211204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |