CN111629466B - Distributed flexible electromagnetic induction heating device and heating structure - Google Patents

Distributed flexible electromagnetic induction heating device and heating structure Download PDF

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Publication number
CN111629466B
CN111629466B CN202010412774.0A CN202010412774A CN111629466B CN 111629466 B CN111629466 B CN 111629466B CN 202010412774 A CN202010412774 A CN 202010412774A CN 111629466 B CN111629466 B CN 111629466B
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heating
flexible
electromagnetic induction
supporting
heating device
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CN111629466A (en
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齐凤河
王正春
齐绍良
王天健
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Daqing Weilan Oilfield Technology Co ltd
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Individual
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30Heating of pipes or pipe systems
    • F16L53/34Heating of pipes or pipe systems using electric, magnetic or electromagnetic fields, e.g. using induction, dielectric or microwave heating
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/36Coil arrangements

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Induction Heating (AREA)

Abstract

The invention discloses a distributed flexible electromagnetic induction heating device and a heating structure, wherein the heating device comprises a heating coil, a supporting part and a flexible connecting part, the heating coil is fixed on one side of the flexible connecting part, and the supporting part is supported on the other side of the flexible connecting part; the supporting part and the flexible connecting part are both made of non-metallic materials; the heating coil is formed by connecting a plurality of heating induction units in series, and each heating induction unit is formed by winding a multi-core high-frequency high-strength enameled wire; this application heating coil is established ties by a plurality of heating induction element and is formed, and a plurality of heating induction element are the form of being listed as and fix the one side at flexible connection portion, make the arbitrary radian of this device flexible to the pipeline heating of the different pipe diameters of adaptation has overcome among the prior art heating coil and has bent limited drawback for the plane is whole.

Description

Distributed flexible electromagnetic induction heating device and heating structure
Technical Field
The invention relates to the technical field of pipeline systems, in particular to a distributed flexible electromagnetic induction heating device and a heating structure.
Background
In order to enhance the corrosion resistance of the oil and gas long-distance pipeline, the pipeline is coated with an anticorrosive coating. The anticorrosive coating is composed of a plurality of materials, and generally speaking, the anticorrosive coating has the characteristics of strong bonding capability, high material hardness and good anticorrosive performance. When the conveying pipeline is damaged by external force or is aged, the anticorrosive coating coated outside the pipeline needs to be removed immediately to carry out accident first-aid repair or construction operation. When the anticorrosive coating is removed, the existing safe and quick stripping mode is to adopt an electromagnetic induction heating pipeline to soften the anticorrosive coating and further adopt a cutting knife to strip. The stripping technology is adopted by the Chinese invention patent with the publication number of CN103567195A, namely an electromagnetic induction type pipeline 3PE anti-corrosion quick stripping device, and the Chinese invention patent with the publication number of CN110843321A, namely a pipeline anti-corrosion layer stripping device. However, in these disclosed techniques, the electromagnetic induction heating coils for heating the pipe to soften the anticorrosive coating are all integrated, and each electromagnetic induction heating coil is a planar structure formed by winding a wire, and has a fixed length and a limited bending radian, and is difficult to adapt to heating of different pipe diameters.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide a distributed flexible electromagnetic induction heating device.
Furthermore, the invention also provides a distributed flexible electromagnetic induction heating structure.
The technical scheme adopted by the invention is as follows:
a distributed flexible electromagnetic induction heating device comprises a heating coil, a supporting part and a flexible connecting part, wherein the heating coil is fixed on one side of the flexible connecting part, and the supporting part is supported on the other side of the flexible connecting part; the heating coil is formed by connecting a plurality of heating induction units in series, and each heating induction unit is formed by winding a multi-core high-frequency high-strength enameled wire.
Further, the heating induction units are arranged at intervals.
Further, the supporting part comprises a plurality of supporting units which are arranged at intervals.
Further, the supporting part comprises a plurality of supporting units, the cross section of each supporting unit is trapezoidal, and the large end of each supporting unit is fixed on the other side of the flexible connecting part.
Further, the flexible connecting part is made of textile.
Furthermore, the flexible connecting part also comprises a fireproof layer, and the fireproof layer is made of fireproof materials sprayed on the surface of the flexible connecting part.
Further, the supporting part and the flexible connecting part are both made of non-metal materials.
Further, the height of the supporting part is 1-2 cm.
Further, this application still provides a flexible electromagnetic induction heating structure of distributing type, including heating device and pipeline, heating device adopts foretell flexible electromagnetic induction heating device of distributing type, the supporting part is the arc and installs the lateral wall at the pipeline.
Further, this application still provides a flexible electromagnetic induction heating structure of distributing type, including heating device and pipeline, heating device adopts foretell flexible electromagnetic induction heating device of distributing type, the supporting part is the arc and installs the inside wall at the pipeline.
By adopting the technical scheme, the invention has the following beneficial effects:
this application heating coil is established ties by a plurality of heating induction element and is formed, and a plurality of heating induction element are the form of being listed as and fix the one side at flexible connection portion, make the arbitrary radian of this device flexible to the pipeline heating of the different pipe diameters of adaptation has overcome among the prior art heating coil and has bent limited drawback for the plane is whole.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a distributed flexible electromagnetic induction heating apparatus provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of another direction of the distributed flexible electromagnetic induction heating apparatus provided in the embodiment of the present application;
fig. 3 is a schematic structural diagram of a use mode of the distributed flexible electromagnetic induction heating device provided by the embodiment of the application;
fig. 4 is a schematic structural diagram of another use mode of the distributed flexible electromagnetic induction heating apparatus provided in the embodiment of the present application.
Wherein, heating induction unit 1, flexible connecting portion 2, supporting part 3, pipeline 4.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Referring to fig. 1 to 2, the distributed flexible electromagnetic induction heating device of the present application includes a heating coil, a support portion 3 and a flexible connection portion 2, wherein the heating coil is fixed on one side of the flexible connection portion 2, and the support portion 3 is supported on the other side of the flexible connection portion 2; the supporting part 3 and the flexible connecting part 2 are both made of non-metal materials; the heating coil is formed by connecting a plurality of heating induction units 1 in series, and each heating induction unit 1 is formed by winding a multi-core high-frequency high-strength enameled wire.
This application heating coil is established ties by a plurality of heating induction unit 1 and is formed, and a plurality of heating induction unit 1 are the form of being listed as and fix in one side of flexible connecting portion 2, make the arbitrary radian of this device flexible to the heating of 4 pipelines of the different pipe diameters of adaptation has overcome among the prior art heating coil for the whole and crooked limited drawback of plane.
The supporting part 3 supports the other side of the flexible connecting part 2, plays a supporting role for the heating coil and ensures the strength of the device.
In one embodiment, the support portion 3 includes a plurality of support units, and the plurality of support units are arranged at intervals. The spacing distance between adjacent support units can be set according to the pipe diameter of the heated pipeline 4, and when the device is bent, the adjacent two support units do not interfere with each other. When the supporting units are arranged at intervals, each supporting unit is arranged corresponding to the heating induction unit 1 to better support the heating coil.
In another embodiment, the supporting portion 3 comprises a plurality of supporting units, each supporting unit has a trapezoidal cross section, the large end of the supporting unit is fixed to the other side of the flexible connecting portion 2, and the small end of the supporting unit extends in a direction away from the flexible connecting portion 2. The large end of the supporting unit is one end with a large sectional area, and the other end opposite to the large end is a small end. The supporting units adopt a trapezoidal structure, so that the spacing distance between two adjacent supporting units can be reduced, and the bending radian of the device is not influenced. For example, in some cases, the distance between two adjacent supporting units can be set to zero, and because the supporting units have a trapezoidal structure, when the device is bent, the supporting units can still be ensured not to interfere with each other.
The supporting unit is made of non-metal materials, such as bakelite, rubber and the like, so that the insulation property of the supporting unit is ensured.
In one embodiment, adjacent heating and sensing units 1 are spaced apart; that is, a certain distance is formed between two adjacent heating induction units 1.
The heating induction units 1 are arranged at intervals, so that the device can be bent in the opposite direction conveniently, namely after the device is bent, the heating induction units 1 are positioned on the inner side of the circular arc, and the supporting parts 3 are positioned on the outer side of the circular arc; so that the device can be placed inside the pipeline 4 for heating.
The flexible connecting part 2 is made of non-metal materials, such as canvas, silica gel cloth and other textiles. The flexible connection part 2 is made of textiles, and on one hand, the flexible connection part has good insulating property and soft deformation performance, so that the device can bend in any radian in the positive and negative directions to adapt to pipelines 4 with different pipe diameters and heat the outer side and the inner side of the pipeline 4, and on the other hand, the textiles cannot become brittle and hard due to heating and cooling, so that the device can be used in a working environment of 50 degrees below zero.
Further, the flexible connecting portion 2 further comprises a fireproof layer, and the fireproof layer is made of fireproof materials sprayed on the surface of the flexible connecting portion 2. During the heating process, the fireproof layer has the fireproof and flame-retardant effects.
In a specific embodiment, the height of the supporting portion 3 is 1-2 cm; more specifically, the height of the support 3 is 1.5 cm, which prevents electromagnetic saturation from damaging the heating device.
During the use, this heating device can adopt wire and electromagnetic heating control system to be connected, electromagnetic heating control system becomes the high frequency alternating current with power frequency alternating current rectification, filtering, the contravariant and supplies with this application heating device, the high frequency alternating current acts on pipeline 4 or locates the metal material on pipeline 4, produce alternating magnetic field at the heating coil plane, this alternating magnetic field makes pipeline 4 or metal material self generate heat, the viscose that makes between anticorrosive coating and the metal pipeline melts, and then the heating anticorrosive coating makes the anticorrosive coating soften, the anticorrosive coating is peeled off to the stripping equipment of being convenient for.
Referring to fig. 3, the application further provides a distributed flexible electromagnetic induction heating structure, which includes a heating device and a pipeline 4, wherein the heating device adopts the above distributed flexible electromagnetic induction heating device, and the supporting portion 3 is installed on the outer side wall of the pipeline 4 in an arc shape.
Referring to fig. 4, the application further provides a distributed flexible electromagnetic induction heating structure, which includes a heating device and a pipeline 4, wherein the heating device adopts the above distributed flexible electromagnetic induction heating device, and the supporting portion 3 is installed on the inner side wall of the pipeline 4 in an arc shape.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (7)

1. The distributed flexible electromagnetic induction heating device comprises a heating coil and is characterized by further comprising a supporting part (3) and a flexible connecting part (2), wherein the heating coil is fixed on one side of the flexible connecting part (2), and the supporting part (3) is supported on the other side of the flexible connecting part (2); the heating coil is formed by connecting a plurality of heating induction units (1) in series, and each heating induction unit (1) is formed by winding a multi-core high-frequency high-strength enameled wire;
the heating induction units (1) are arranged at intervals;
the supporting part (3) comprises a plurality of supporting units which are arranged at intervals;
the supporting part (3) comprises a plurality of supporting units, the cross section of each supporting unit is trapezoidal, and the large end of each supporting unit is fixed on the other side of the flexible connecting part (2).
2. A distributed flexible electromagnetic induction heating apparatus as claimed in claim 1, characterized in that the flexible connection (2) is made of textile.
3. A distributed flexible electromagnetic induction heating apparatus as claimed in claim 2, characterized in that said flexible connection portion (2) further comprises a fire-resistant layer of fire-resistant material sprayed on the surface of the flexible connection portion (2).
4. A distributed flexible electromagnetic induction heating apparatus according to any one of claims 1 to 3, characterized in that the supporting part (3) and the flexible connecting part (2) are made of non-metallic material.
5. A distributed flexible electromagnetic induction heating apparatus according to any of claims 1 to 3, characterized in that the height of the support (3) is 1 to 2 cm.
6. A distributed flexible electromagnetic induction heating structure is characterized by comprising a heating device and a pipeline, wherein the heating device adopts the distributed flexible electromagnetic induction heating device as claimed in any one of claims 1-5, and the supporting part (3) is installed on the outer side wall of the pipeline in an arc shape.
7. A distributed flexible electromagnetic induction heating structure is characterized by comprising a heating device and a pipeline, wherein the heating device adopts the distributed flexible electromagnetic induction heating device as claimed in any one of claims 1-5, and the supporting part (3) is installed on the inner side wall of the pipeline in an arc shape.
CN202010412774.0A 2020-05-15 2020-05-15 Distributed flexible electromagnetic induction heating device and heating structure Active CN111629466B (en)

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Application Number Priority Date Filing Date Title
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CN111629466B true CN111629466B (en) 2021-07-27

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002043047A (en) * 2000-07-24 2002-02-08 Sharp Corp Induction heating device
CN108723015A (en) * 2017-04-24 2018-11-02 杨永和 A kind of new device for pipeline outer wall anticorrosive coating peeling
CN209562840U (en) * 2018-11-27 2019-10-29 北京智润天成节能设备有限公司 A kind of coil skeleton structure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1988740A (en) * 2006-12-29 2007-06-27 董宇娟 Induction heating energy saving system for plastic processing anti-radiation interference
CN102374356A (en) * 2010-08-20 2012-03-14 珠海市洁星洗涤科技有限公司 Internal heating device for weak magnetic pipeline or non-magnetic pipeline and assembling method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002043047A (en) * 2000-07-24 2002-02-08 Sharp Corp Induction heating device
CN108723015A (en) * 2017-04-24 2018-11-02 杨永和 A kind of new device for pipeline outer wall anticorrosive coating peeling
CN209562840U (en) * 2018-11-27 2019-10-29 北京智润天成节能设备有限公司 A kind of coil skeleton structure

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Effective date of registration: 20220810

Address after: Room 622, Block D-1, Service Outsourcing Industrial Park, No. 8 Xinfeng Road, High-tech Zone, Daqing City, Heilongjiang Province, 163311

Patentee after: Daqing Weilan Oilfield Technology Co.,Ltd.

Address before: 163000 Room 301, gate 2, No.2, Changqing community, Ranghulu District, Daqing City, Heilongjiang Province

Patentee before: Qi Fenghe