CN214665217U - Heat conduction oil electric heating device and drying equipment with same - Google Patents
Heat conduction oil electric heating device and drying equipment with same Download PDFInfo
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- CN214665217U CN214665217U CN202120646696.0U CN202120646696U CN214665217U CN 214665217 U CN214665217 U CN 214665217U CN 202120646696 U CN202120646696 U CN 202120646696U CN 214665217 U CN214665217 U CN 214665217U
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Abstract
The utility model relates to a drying equipment technical field provides a conduction oil electric heating device and have its drying equipment. The heat conduction oil electric heating device comprises a circulating pipeline and an electric heating part, wherein heat conduction oil is used for circulating in the circulating pipeline; the electric heating part is arranged on the outer surface of the circulating pipeline and arranged around the circumferential direction of the circulating pipeline, and the electric heating part is used for being connected with the power supply part to heat the heat conduction oil in the circulating pipeline. By electrically connecting the electric heating portion and the power supply portion, the electric heating portion can heat the heat transfer oil in the circulation pipe. Because electric heating portion and circulating line direct contact, heat the conduction oil in the circulating line through heating circulating line promptly to directly not contacting with the conduction oil, avoided the influence of conduction oil to electric heating portion, and avoided the conduction oil problem such as ageing appear, improve the performance of heat conduction oil electric heater unit with this.
Description
Technical Field
The utility model relates to a drying equipment technical field especially relates to a conduction oil electric heating device and have its drying equipment.
Background
The drying equipment is suitable for drying and insulating treatment equipment of bodies of large-capacity transformers, converter transformers, high-voltage bushings and the like. The heat source in the drying process is sometimes used as a heat conduction oil electric heater.
The electric heater of heat conducting oil uses electricity as energy source, the heat conducting oil is heat carrier, the heating element is contacted with organic carrier (heat conducting oil) to directly heat, the heated high temperature organic carrier utilizes high temperature circulating pump to forcedly carry out liquid phase circulation, the heat is transferred to tank wall or other heat utilization equipment, after the heat utilization equipment, a part of heat is released from the organic carrier, the product to be heated is heated, the heat which is not released and the organic carrier return to the heater again, and then the heat is absorbed and transferred to the heat utilization equipment, and the process is repeated, thereby realizing the continuous transfer of heat, raising the temperature of the heated object and meeting the technological requirement of heating.
The heat conducting oil heater adopts a digital display temperature controller to control temperature, has the functions of overtemperature alarm, low oil level alarm and overpressure alarm, and is efficient and energy-saving heat supply equipment in drying equipment. But the structure of this kind of equipment has some hidden dangers, in the design process, it is whole cavity full of mobile organic carrier conduction oil, and electric heating pipe is direct and conduction oil contact, in actual day-by-day application process, but the easy ageing of heat conduction oil that takes place, the wearing and tearing of pump, electric heater trouble, the oil of pipeline cuts off when overhauing, all can bring heat conduction oil flow to reduce or cut off, electric heating has the danger of out of control this moment, the safety hazard of conflagration even takes place, cause harmful effects to the production process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a conduction oil electric heater unit and have its drying equipment to improve conduction oil electric heater unit's performance.
According to the utility model discloses a first aspect provides a conduction oil electric heater unit, include:
the circulating pipeline is used for circulating heat conducting oil;
the electric heating part is arranged on the outer surface of the circulating pipeline and arranged around the circumferential direction of the circulating pipeline, and the electric heating part is used for being connected with the power supply part to heat the heat conduction oil in the circulating pipeline.
In an embodiment of the present invention, the electric heating part is an integrated structure.
In an embodiment of the present invention, the electric heating portion is wound around the circulation pipe in a spiral structure along an axial direction of the circulation pipe.
In an embodiment of the present invention, the electric heating portion includes a plurality of heating sections, and the plurality of heating sections are provided at intervals along an axial direction of the circulation pipe.
In an embodiment of the present invention, the plurality of heating sections are arranged in parallel, and an axial direction of the heating sections is parallel to an axial direction of the circulating pipe.
In an embodiment of the present invention, the electric heating portion is an electric heating belt.
In an embodiment of the present invention, the electric heating portion is a ceramic electric heating ring.
In an embodiment of the present invention, the circulation pipes are plural, the electric heating portions are plural, and the plurality of circulation pipes are all provided with the electric heating portions.
In an embodiment of the present invention, the plurality of circulation pipes are connected to each other, and the plurality of electric heating portions are independently provided.
According to a second aspect of the present invention, there is provided a drying apparatus comprising the above-mentioned heat-conducting oil electric heating device.
The utility model discloses heat conduction oil electric heater unit includes circulating line and the electric heating portion of setting at the surface of circulating line, through being connected electric heating portion and power supply portion electricity to can make the conduction oil in the electric heating portion heating circulating line. Because electric heating portion and circulating line direct contact, heat the conduction oil in the circulating line through heating circulating line promptly to directly not contacting with the conduction oil, avoided the influence of conduction oil to electric heating portion, and avoided the conduction oil problem such as ageing appear, improve the performance of heat conduction oil electric heater unit with this.
Drawings
The various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:
fig. 1 is a schematic view illustrating a structure of a thermally conductive oil electric heating apparatus according to an exemplary embodiment.
The reference numerals are explained below:
10. a circulation pipe; 20. an electric heating section; 21. a heating section; 30. a support base; 40. a first connection portion; 41. a second connecting portion; 43. a communication pipe is provided.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.
In the following description of various exemplary embodiments of the disclosure, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the disclosure may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present disclosure. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the disclosure, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of this disclosure.
An embodiment of the utility model provides a conduction oil electric heater unit, please refer to fig. 1, and conduction oil electric heater unit includes: the circulating pipeline 10 is used for circulating heat conducting oil in the circulating pipeline 10; the electric heating part 20 is disposed on the outer surface of the circulation pipeline 10, and is disposed around the circumferential direction of the circulation pipeline 10, and the electric heating part 20 is used for connecting the power supply part to heat the heat conduction oil in the circulation pipeline 10.
The utility model discloses a conduction oil electric heater unit of an embodiment includes circulating line 10 and the electric heating portion 20 of setting at the surface of circulating line 10, through being connected electric heating portion 20 and power supply portion electricity to can make electric heating portion 20 heat the conduction oil in the circulating line 10. Because electric heating portion 20 and circulating line 10 direct contact, heat the conduction oil in the circulating line 10 through heating circulating line 10 promptly to do not directly contact with the conduction oil, avoided the influence of conduction oil to electric heating portion 20, and avoided the conduction oil problem such as ageing appear, so as to improve the performance of heat conduction oil electric heater unit.
In a specific use, the electric heating unit 20 may be directly electrically connected to a power supply unit, which is a power supply unit.
In one embodiment, the electrical heating part 20 is an integrated structure, that is, the circulation pipeline 10 is heated by one complete electrical heating part 20, so that one electrical heating part 20 can be directly connected to the power supply part during use, and the use of connecting wires can be reduced to a certain extent.
In one embodiment, the electric heating part 20 surrounds the circulation pipe 10 in a spiral structure along the axial direction of the circulation pipe 10, so that the circulation pipe 10 can be completely heated, and thus, each part of the circulation pipe 10 is heated, and heat conduction oil in the circulation pipe 10 is uniformly heated.
In one embodiment, as shown in fig. 1, the electric heating part 20 includes a plurality of heating sections 21, and the plurality of heating sections 21 are arranged at intervals along the axial direction of the circulation pipe 10, that is, each heating section 21 is connected to the power supply part to realize separate heating, so that the design mode can ensure the independent replacement of the independent heating section, and even if one of the heating sections has a problem, the heating of the other heating sections 21 is not affected.
In one embodiment, the plurality of heating segments 21 are arranged in parallel, and the axial direction of the heating segments 21 is parallel to the axial direction of the circulation pipeline 10, that is, it is ensured that the heating segments 21 can heat the circulation pipeline 10 to the greatest extent under the condition of the minimum diameter, and it is ensured that the heat conducting oil in the circulation pipeline 10 is reliably heated.
In one embodiment, the electrical heating part 20 is an electrical heating belt, that is, the electrical heating part 20 may be a ring-shaped high-performance electrical heating belt, so as to ensure reliable heating of the circulation duct 10.
In one embodiment, the electrical heating portion 20 is a ceramic electrical heating coil.
In one embodiment, as shown in fig. 1, there are a plurality of circulation pipes 10, a plurality of electric heating portions 20, and the plurality of circulation pipes 10 are provided with the electric heating portions 20, that is, each circulation pipe 10 is provided with the electric heating portion 20, so as to heat the heat conducting oil in each circulation pipe 10.
In one embodiment, a plurality of circulation pipes 10 are communicated, a plurality of electric heating portions 20 are independently provided, and the circulation pipes 10 are communicated through a communication pipe 43, that is, two adjacent circulation pipes 10 are directly provided with one communication pipe 43, as shown in fig. 1.
In one embodiment, the conduction oil electric heating apparatus further includes a support base 30, and the plurality of circulation pipes 10 are supported by the support base 30, thereby ensuring a reliable arrangement. Wherein, the support bases 30 may be at least two, at least two support bases 30 for supporting the plurality of circulation pipes 10.
In one embodiment, a first connection portion 40 and a second connection portion 41 are disposed on the plurality of circulation pipes 10, and the first connection portion 40 and the second connection portion 41 are used for connecting the heat consuming devices, and the heat transfer oil circulates in the circulation pipes 10 and the heat consuming devices, that is, the first connection portion 40 and the second connection portion 41 can be used as an output port and an input port.
In one embodiment, the thermal oil electric heating apparatus further includes a circulation pump group through which the thermal oil can circulate in the circulation pipe 10 and the heat using device.
The utility model discloses a conduction oil electric heating device, the multiple spot through the high-effect electric heating area of rational design encircles and arranges, the multiple spot of high-effect electric heating area encircles and the structure of conduction oil non-contact heating, reliable indirect heating conduction oil, and carry out accurate control to the conduction oil temperature, just so furthest reduces the safety risk that electric heating pipe direct heating conduction oil local overheating brought, if the heating pipe is insulating ageing, the oil is ageing, the safety influence of conflagration is produced when factors such as electrode pole contact spark and conduction oil seepage are to the heating of organic carrier conduction oil, complete operation control and safety monitoring device have simultaneously, can carry out automated control, and is easy and simple to handle, safety and reliability. The utility model discloses a conduction oil electric heater unit has simple structure, stable performance, the cost is lower, practice thrift the characteristics in space, has increased conduction oil electric heater unit fail safe nature, improves work efficiency.
Optionally, the utility model discloses a high-effect electric heating of conduction oil device can encircle to arrange the high-effect electric heating of annular area according to power size multiple spot respectively on circulating line, and at heating control operation in-process, the organic carrier conduction oil flows in circulating line, encircles to the multiple spot and arranges the high-effect electric heating of annular area and carry out temperature control, and the conduction oil is at relevant pipeline circulation in-process, and treats that the heating product carries out the heat exchange.
An embodiment of the utility model also provides a drying equipment, including foretell heat conduction oil electric heater unit.
The utility model discloses a drying equipment's conduction oil electric heater unit includes circulating line 10 and the electric heating portion 20 of setting at the surface of circulating line 10, through being connected electric heating portion 20 and power supply portion electricity to can make electric heating portion 20 heat the conduction oil in the circulating line 10. Because electric heating portion 20 and circulating line 10 direct contact, heat the conduction oil in the circulating line 10 through heating circulating line 10 promptly to directly not contacting with the conduction oil, avoided the influence of conduction oil to electric heating portion 20, and avoided the conduction oil problem such as ageing appear, improve drying equipment's performance with this.
The utility model discloses a drying equipment furthest's reduction conduction oil electric heating device trouble encircles high-effect electric heating area to drying equipment's influence, and heat conversion is high, only produces the heat radiation conduction during the ohmic heating, and the heat percent of passage reaches more than 99%, and the temperature is up to 900 degrees during the heating. The direct-heating type direct-heating power supply has the advantages of no maintenance, high reliability, direct heating, no generation of harmonic wave and no generation of harmonic wave influence on a power system. And the high-effect electric heating of annular area appearance pleasing to the eye, the stable performance, it is anticorrosive, the heating is fast, the heat dissipation is even, insulating properties is good, high pressure resistant, the high-effect electric heating of annular area operating temperature is high, the intensification is fast, the thermal efficiency is high, pollution-free, the even accuracy of heating, the high-effect electric heating of annular area long service life, installation, easy maintenance, use cost low grade. The heat-conducting oil electric heating device is automatically controlled, is simple and convenient to operate, is safe and reliable, reduces the influence of the drying process on production, shortens the drying cycle period of a single product, saves time and reduces the processing cost; and the production efficiency of the product is improved for the client.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (10)
1. A heat conducting oil electric heating device is characterized by comprising:
the circulation pipeline (10) is used for circulating heat conduction oil in the circulation pipeline (10);
the electric heating part (20) is arranged on the outer surface of the circulating pipeline (10) and surrounds the circumferential direction of the circulating pipeline (10), and the electric heating part (20) is used for being connected with a power supply part to heat the heat conduction oil in the circulating pipeline (10).
2. The thermally conductive oil electric heating apparatus according to claim 1, characterized in that the electric heating part (20) is of an integral structure.
3. The thermally conductive oil electric heating apparatus according to claim 2, wherein the electric heating part (20) surrounds the circulation pipe (10) in a spiral structure in an axial direction of the circulation pipe (10).
4. The thermally conductive oil electric heating apparatus according to claim 1, characterized in that the electric heating part (20) comprises a plurality of heating sections (21), the plurality of heating sections (21) being arranged at intervals in an axial direction of the circulation duct (10).
5. The diathermic oil electric heating device according to claim 4, characterized in that a plurality of said heating sections (21) are arranged in parallel, and the axial direction of said heating sections (21) is parallel to the axial direction of said circulation duct (10).
6. A diathermic oil electric heating device according to claim 1, characterized in that said electric heating portion (20) is an electric heating belt.
7. A thermally conductive oil electric heating device according to claim 1, characterized in that the electric heating portion (20) is a ceramic electric heating coil.
8. The thermally conductive oil electric heating device according to claim 1, characterized in that the number of the circulation pipes (10) is plural, the number of the electric heating parts (20) is plural, and the electric heating parts (20) are provided on the plural circulation pipes (10).
9. The thermally conductive oil electric heating apparatus according to claim 8, wherein a plurality of the circulation pipes (10) are communicated, and a plurality of the electric heating parts (20) are independently provided.
10. Drying plant characterized in that it comprises a diathermic oil electric heating device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120646696.0U CN214665217U (en) | 2021-03-24 | 2021-03-24 | Heat conduction oil electric heating device and drying equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120646696.0U CN214665217U (en) | 2021-03-24 | 2021-03-24 | Heat conduction oil electric heating device and drying equipment with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214665217U true CN214665217U (en) | 2021-11-09 |
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ID=78457305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120646696.0U Active CN214665217U (en) | 2021-03-24 | 2021-03-24 | Heat conduction oil electric heating device and drying equipment with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214665217U (en) |
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2021
- 2021-03-24 CN CN202120646696.0U patent/CN214665217U/en active Active
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