CN116480872A - Self-adaptive pipeline constant temperature heating device - Google Patents
Self-adaptive pipeline constant temperature heating device Download PDFInfo
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- CN116480872A CN116480872A CN202310250363.XA CN202310250363A CN116480872A CN 116480872 A CN116480872 A CN 116480872A CN 202310250363 A CN202310250363 A CN 202310250363A CN 116480872 A CN116480872 A CN 116480872A
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- heating
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- power supply
- constant temperature
- adaptive
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 114
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 23
- 238000005253 cladding Methods 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 14
- 239000004519 grease Substances 0.000 claims description 12
- 229920001296 polysiloxane Polymers 0.000 claims description 12
- 230000003044 adaptive effect Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 239000000741 silica gel Substances 0.000 description 6
- 229910002027 silica gel Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009957 hemming Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/34—Heating of pipes or pipe systems using electric, magnetic or electromagnetic fields, e.g. using induction, dielectric or microwave heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a self-adaptive pipeline constant-temperature heating device, which comprises a heating power supply, a plurality of heating blankets, an electric cable and a binding belt, wherein the heating power supply is connected with the heating blankets; a plurality of heating blankets are used for wrapping the outer wall of the pipeline in a surrounding manner, and the bundling belt is used for bundling the plurality of heating blankets on the pipeline; the electric cable is connected with a heating power supply and connected with a plurality of heating blankets in series, and an electromagnetic induction coil is formed in each heating blanket by the electric cable and is used for heating the pipeline by generating a magnetic field through alternating current output by the heating power supply. The invention has the beneficial effects that the pipeline heating device has a good pipeline heating effect, and the power can be self-adaptively adjusted according to the temperature of the pipeline.
Description
Technical Field
The invention relates to a heating device, in particular to a self-adaptive pipeline constant-temperature heating device.
Background
The pipeline for transporting petroleum or natural gas is easy to be blocked in winter, the blocking phenomenon is mainly liquid water or gaseous water in the pipeline, the liquid water is not thoroughly dried before the pipeline is put into production and remains, ice is formed when the temperature is lower, the pipeline is blocked, the gaseous water is blocked, the liquid water is separated out under certain temperature and pressure conditions due to the excessively high content, and then natural gas hydrate is produced under certain conditions.
Aiming at the situation, the prior art publication number CN212718639U discloses an energy-saving efficient heating blanket for petroleum pipelines, and the technical scheme is characterized in that: the novel heating blanket comprises a heating blanket body, wherein supporting rings are arranged at two ends of the inner side of the heating blanket body, fixing rings are arranged at two ends of the outer side of the heating blanket body, a lock catch is welded at one end of each fixing ring, an adjusting bolt is connected with the inside of each lock catch in a threaded mode, a driver is arranged on one side of the heating blanket body, a cable is arranged at the bottom end of the driver, a plug is arranged at the end of the cable, rubber pads are arranged at two ends of the outer side of the heating blanket body, a plurality of groups of fixing belts are arranged on the rubber pads, and an air dispersing net is arranged in the middle of the heating blanket body; the device can be stably sleeved on the petroleum pipe, and the two ends of the heating blanket are fixedly provided with fixing rings which are stably and fixedly arranged on the oil filling pipe; the support ring is arranged, so that a certain gap can be reserved when the heating blanket is sleeved on the petroleum pipe, and the air dispersing net is arranged, so that the expanded air can be dispersed.
In this patent application, the pipeline is heated by the heating wire wound inside the heating blanket body, and the heating mode of this kind of heat conduction has the problem of slower heating speed, and the problem of lower thermal efficiency is caused by the larger heat loss in the heating process, so that the energy saving performance is poor.
Disclosure of Invention
The invention provides a self-adaptive pipeline constant-temperature heating device, which aims to solve the technical problems.
The invention is realized by the following technical scheme.
A self-adaptive pipeline constant temperature heating device comprises a heating power supply, a plurality of heating blankets, an electric cable and a binding belt; a plurality of heating blankets are used for wrapping the outer wall of the pipeline in a surrounding manner, and the bundling belt is used for bundling the plurality of heating blankets on the pipeline; the electric cable is connected with a heating power supply and connected with a plurality of heating blankets in series, and an electromagnetic induction coil is formed in each heating blanket by the electric cable and is used for heating the pipeline by generating a magnetic field through alternating current output by the heating power supply.
As a further improvement of the invention, the heating blanket is provided with a temperature sensor for monitoring the temperature of the pipe; the heating power supply is configured with a processing unit for adjusting the output power of the heating power supply according to the temperature fed back by the temperature sensor, so that the temperature of the pipeline is kept constant.
As a further improvement of the invention, the heating power supply also comprises a box body, wherein the heating power supply is arranged in the box body; the bottom of the box body is provided with rollers, and the box body is provided with a foldable push-pull frame.
As a further development of the invention, the heating blanket comprises an inner hollow outer cladding, the electromagnetic induction coil being formed by an electric cable introduced into the outer cladding, which is helically wound into multiple loops.
As a further improvement of the invention, a plurality of positioning and fixing mechanisms extending from the center of the electromagnetic induction coil to the edge along the radial direction are arranged in the outer cladding, each positioning and fixing mechanism comprises a plurality of positioning units and connecting pieces for connecting adjacent positioning units, and the plurality of positioning units are respectively used for buckling and fixing adjacent turns on one inner surface of the outer cladding.
As a further improvement of the invention, the positioning unit comprises a half-pipe structure and at least two pressing sheets; the half-pipe structure is used for buckling the turn ring on one inner surface of the outer cladding; the pressing sheet is arranged in the half-pipe structure and pressed on the outer wall of the turn ring; and a filling gap is formed between the inner wall of the half-pipe structure and the outer wall of the turn, and an opening communicated with the filling gap is formed in the half-pipe structure and used for injecting silicone grease into the filling gap to adhere and fix the turn and the outer cladding.
As a further improvement of the invention, the inner wall of the half-pipe structure is provided with two half-rings which are mutually spaced, and the half-pipe structure is divided into a middle area and side areas positioned at two sides of the middle area; the preforms are located in the middle region and the filling gaps are located in the side regions.
As a further improvement of the invention, an elastic compression structure is arranged between the pressing sheet and the inner wall of the half-pipe structure for connecting the pressing sheet and the inner wall of the half-pipe structure.
As a further development of the invention, the connecting piece is provided as a pull rope, and two pull ropes are arranged side by side between two adjacent positioning units.
The invention has the beneficial effects that:
the electromagnetic induction coil formed by the electric cable in the heating blanket, the alternating magnetic field formed by the electromagnetic induction coil can directly act on the pipeline to heat the pipeline, has the advantages of high power density and higher heating speed, can avoid the loss of the pipeline due to heat transfer, is more energy-saving in use, and is higher in pipeline temperature rising feedback speed, thereby being beneficial to controlling the adjustment of heating temperature;
the positioning and fixing structure arranged in the heating blanket can realize that the coil is positioned and fixed on the inner surface of the outer cladding layer rapidly, reduce the difficulty of preparing the electromagnetic induction coil and save the construction time, and in addition, the half-pipe structure of the positioning unit can play a role in shaping and restraining the silicone grease, so that the situation that the adhesive force between the coil and the outer cladding layer becomes weak due to the fact that the adhesive force between the coil and the outer cladding layer becomes small after the silicone grease is partially melted and diffused is avoided.
Drawings
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawings, to facilitate understanding of the objects and advantages of the present invention, wherein:
FIG. 1 is a schematic diagram of the composition of an adaptive duct constant temperature heating apparatus;
FIG. 2 is a schematic diagram of the structure of the case;
FIG. 3 is a schematic view of the internal structure of the heating blanket;
FIG. 4 is a schematic view of the positioning unit and the connector;
FIG. 5 is a schematic cross-sectional view taken in the direction A-A' of FIG. 4;
FIG. 6 is a schematic cross-sectional view taken in the direction B-B' of FIG. 4;
FIG. 7 is a schematic cross-sectional view taken along the direction C-C' of FIG. 4.
Detailed Description
The invention is described in further detail below with reference to the drawings and the examples.
The terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible in this specification are defined with respect to the configurations shown in the drawings, and the terms "inner" and "outer" refer to the relative concepts of the terms toward or away from the geometric center of a particular component, respectively, and thus may be changed accordingly depending on the location and use state of the component. These and other directional terms should not be construed as limiting terms.
Referring to fig. 1, an adaptive type pipeline constant temperature heating device comprises a heating power supply 1, a plurality of heating blankets 2, an electric cable 3 and a bundling belt 4, wherein the electric cable 3 is connected with the heating power supply 1 and is connected with the plurality of heating blankets 2 in series, the plurality of heating blankets 2 are used for being wrapped on the outer wall of a pipeline, the bundling belt 4 is used for bundling the plurality of heating blankets 2 on the pipeline, and the electric cable 3 forms an electromagnetic induction coil 3A in each heating blanket 2 and is used for heating the pipeline through an alternating current generated magnetic field output by the heating power supply 1.
The heating device of the embodiment is based on the principle that alternating current output by a heating power supply 1 generates an alternating magnetic field through an electromagnetic induction coil 3A formed in a heating blanket 2 by an electric cable 3, and a magnetically permeable object is arranged in the alternating magnetic field line to cut alternating magnetic force lines, so that alternating current, namely vortex flow, is generated in the object, atoms in the object move randomly at a high speed, and collide and rub with each other to generate heat energy, thereby playing a role in heating objects, namely, the heated steel body (namely a pipeline) senses the magnetic energy to generate heat by converting the electric energy into the magnetic energy, and the phenomenon of ice blockage of the pipeline is solved.
Compared with the heating mode of heat conduction of the heating wire in the prior art, the heating device of the embodiment can directly act on the pipeline by forming the alternating magnetic field, has the advantages of being high in power density and enabling heating speed to be higher, can avoid the loss of the pipeline due to heat transfer, is more energy-saving in use, is higher in pipeline temperature rising feedback speed, and is beneficial to controlling the adjustment of heating temperature.
In this embodiment, the heating blanket 2 is in a square structure with a certain thickness, and can be moderately bent to match the shape of the pipe, and the number and size of the heating blankets 2 are set according to the actual application requirements.
In this embodiment, the heating blanket 2 is provided with a temperature sensor for monitoring the real-time temperature of the pipeline, the heating power supply 1 is configured with a processing unit, and the processing unit adjusts the output power of the heating power supply 1 according to the temperature monitored and fed back by the temperature sensor, so that the temperature of the pipeline is kept constant, and an adaptive constant-temperature heating mechanism is realized, so that the poor heating effect caused by the too low temperature of the pipeline and the high-temperature damage of the heating blanket 2 caused by the too high temperature of the pipeline can be avoided.
Referring to fig. 2, the heating device of this embodiment further includes a box 5, where the box 5 is an explosion-proof box 5, and has a higher safety factor, the heating power supply 1 is assembled in the box 5, rollers 51 are configured at the bottom of the box 5, and a foldable push-pull frame 52 is disposed on the box 5, so that the heating device is portable and more flexible to use.
In this embodiment, referring to fig. 3 and 4, the heating blanket 2 includes an outer covering 21, where the outer covering 21 is of an inner hollow structure, is made of a high-temperature-resistant silica gel skin material, and has excellent weather resistance, and is mainly characterized in wear resistance and light resistance, and is not easy to wear and exposure and aging. The outer covering 21 is provided with two openings 613 on one side edge thereof for allowing the cable to pass in and out. The electromagnetic induction coil 3A is formed by spirally winding an electric cable 3 introduced into the outer cladding 21 into a multi-ring turn 3b, and the electromagnetic induction coil 3A is basically covered on one inner surface of the outer cladding 21, so that the coverage range of the generated alternating magnetic field can be maximized.
In this embodiment, referring to fig. 4 and 5, the outer cover 21 is provided with a plurality of positioning and fixing mechanisms 6, and the positioning and fixing mechanisms 6 are in a linear structure as a whole, and extend from the center of the electromagnetic induction coil 3A to the edge in the radial direction, specifically, the positioning and fixing mechanisms 6 include a plurality of positioning units 61 and a plurality of connecting pieces 62, and the positioning units 61 respectively fasten and fix adjacent turns 3b on one of the inner surfaces of the outer cover 21, and the connecting pieces 62 connect the adjacent positioning units 61.
In the electric blanket of the embodiment, the outer wrapping 21 is made by folding a complete silica gel sheet and then hemming three sides, the cable is folded and coiled into the electromagnetic induction coil 3A before hemming, the electromagnetic induction coil is laid and fixed on the silica gel sheet, and then the silica gel sheet is folded and hemmed. When the electromagnetic induction coil 3A is paved and fixed on the silica gel sheet, the coil 3b is buckled by the locating unit 61, firstly, the electromagnetic induction coil 3A can be fixed on one of the inner surfaces of the silica gel sheet, namely the outer cladding 21, so that the situation that the electromagnetic induction coil 3A falls off when the heating blanket 2 is used is avoided; secondly, the spacing between the adjacent positioning units 61 is defined by the connecting pieces 62, namely, the turn pitch of the electromagnetic induction coil 3A can be accurately defined, so that the intensity distribution of the alternating magnetic field generated by the electromagnetic induction coil 3A is more uniform; moreover, after the worker approximately turns the cable wire in a spiral manner, the worker only needs to fasten the positioning unit 61 on the corresponding turn 3b, so that the difficulty in preparation can be reduced and the time can be saved.
In this embodiment, in general, four positioning and fixing mechanisms 6 are provided, the adjacent positioning and fixing mechanisms 6 are perpendicular to each other, and each of the four positioning and fixing mechanisms 6 is directed to one side edge of the outer cladding 21.
In another embodiment, in order to obtain a better positioning and fixing effect on the electromagnetic induction coil 3A, positioning and fixing mechanisms 6 are added at the positions corresponding to the corners of the turns 3b, that is, eight positioning and fixing mechanisms 6 are provided in total and are arranged in a shape of a Chinese character 'mi'.
More specifically, referring to fig. 5 to 7, the positioning unit 61 of the present embodiment includes a half-pipe structure 611 and at least two pressing pieces 612, wherein the half-pipe structure 611 is used for fastening the turn 3b on one of the inner surfaces of the outer cladding 21, the pressing pieces 612 are disposed in the half-pipe structure 611, and when the half-pipe structure 611 is fastened to the turn 3b, the pressing pieces 612 are pressed on the outer wall of the turn 3b, the pressing pieces 612 can accurately position the turn 3b, and a filling gap 61a is formed between the inner wall of the half-pipe structure 611 and the outer wall of the turn 3b, and an opening 613 communicating with the filling gap 61a is formed in the half-pipe structure 611 for injecting silicone grease into the filling gap 61a to adhesively fix the turn 3b and the outer cladding 21.
The positioning unit 61 of the present embodiment, the half-pipe structure 611 can accurately position the coil 3b, and the silicone resin injected into the filling gap 61a can adhere and fix the coil 3b and the outer cladding 21 together after curing. When the heating blanket 2 is wrapped on the pipeline for heating, heat can be transferred to the heating pad after the pipeline heats, so that the condition that the silicone grease is partially melted easily is caused, the filling gap 61a defined by the half-pipe structure 611 can play a role in shaping and restraining the silicone grease, the situation that the adhesion between the turn 3b and the outer cladding 21 is weakened after the silicone grease is partially melted and diffused is avoided, and the adhesion between the turn 3b and the outer cladding 21 is weakened is caused. In addition, the half-pipe structure 611 is made of a high-temperature resistant material, so as to avoid deformation in a high-temperature environment.
In this embodiment, two semi-rings 614 spaced apart from each other are provided on the inner wall of the semi-pipe structure 611 to divide the semi-pipe structure 611 into a middle region and side regions located at both sides of the middle region, the pressing pieces 612 are located in the middle region, and the filling gaps 61a are located in the side regions. The half-ring 614 is able to isolate the middle and side regions so that the injected silicone grease does not adhere to the presser 612, and the silicone grease is injected into the two side regions so that the adhesion fixation of the positioning unit 61 to the turns 3b is balanced.
In this embodiment, an elastic compression structure 615 for connecting the two is disposed between the pressing sheet 612 and the inner wall of the half-pipe structure 611, the elastic compression structure 615 is preferably a compression spring, and when the half-pipe structure 611 is fastened to the turn 3b, the elastic compression structure 615 is compressed, so that the pressing sheet 612 applies a certain elastic force to the outer wall of the turn 3b, and the fastened half-pipe structure 611 is not easy to loose, which is beneficial to the subsequent injection of silicone grease.
In this embodiment, the connection piece 62 is set to be a pull rope, and two side-by-side pull ropes are disposed between two adjacent positioning units 61, and the two side-by-side pull ropes play a role in balancing, so as to avoid deflection of the half-pipe structure 611, and in addition, the pull ropes are made of a high-temperature resistant material, so that breakage of the pull ropes in a high-temperature environment is avoided, and in a step, even if the pull ropes are broken, the half-pipe structure 611 is restrained from partial melting and diffusion of silicone grease, and the turn 3b is not separated from the outer cladding 62.
It is noted that, in the preparation of the electric blanket, not only the electric cable 3 needs to be spirally wound into the electromagnetic induction coil 3A, but also the portion of the electric cable 3 corresponding to the corner of the outer cladding 21 should be bent as much as possible, so that the coverage area of the electromagnetic induction coil 3A can be maximized. In this embodiment, when the cable is spirally wound into the electromagnetic coil, only the basic shape is required to be wound, when the positioning piece is buckled on the coil 3b, the coil distance between the adjacent coils 3b can be accurately limited under the tensioning action of the pull rope, and in addition, the corner of the electric cable 3 corresponding to the outer cladding 21 is not required to be bent, after the positioning units 61 of the four positioning and fixing mechanisms 6 are buckled on the corresponding coils 3b, the corresponding corner of the electric cable 3 can be naturally bent to be in a matched shape, so that the preparation difficulty can be reduced and the time can be saved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme recorded in each embodiment can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
1. The self-adaptive pipeline constant-temperature heating device is characterized by comprising a heating power supply, a plurality of heating blankets, an electric cable and a binding belt; a plurality of heating blankets are used for wrapping the outer wall of the pipeline in a surrounding manner, and the bundling belt is used for bundling the plurality of heating blankets on the pipeline; the electric cable is connected with a heating power supply and connected with a plurality of heating blankets in series, and an electromagnetic induction coil is formed in each heating blanket by the electric cable and is used for heating the pipeline by generating a magnetic field through alternating current output by the heating power supply.
2. The adaptive duct constant temperature heating apparatus according to claim 1, wherein the heating blanket is provided with a temperature sensor for monitoring the temperature of the duct; the heating power supply is configured with a processing unit for adjusting the output power of the heating power supply according to the temperature fed back by the temperature sensor, so that the temperature of the pipeline is kept constant.
3. The adaptive duct constant temperature heating apparatus of claim 1, further comprising a housing, said heating power source being mounted within said housing; the bottom of the box body is provided with rollers, and the box body is provided with a foldable push-pull frame.
4. The adaptive duct constant temperature heating apparatus according to claim 1, wherein the heating blanket comprises an inner hollow outer cladding, and the electromagnetic coil is formed by spirally winding an electric cable introduced into the outer cladding into a multi-ring turn.
5. The adaptive duct constant temperature heating apparatus according to claim 4, wherein a plurality of positioning and fixing mechanisms extending from the center of the electromagnetic coil to the edge in the radial direction are provided in the outer cover, the positioning and fixing mechanisms include a plurality of positioning units, and connecting members connecting adjacent positioning units, and the plurality of positioning units are respectively used for fastening and fixing adjacent coils on one of the inner surfaces of the outer cover.
6. The adaptive duct constant temperature heating apparatus according to claim 5, wherein the positioning unit comprises a half-pipe structure, at least two pressing pieces; the half-pipe structure is used for buckling the turn ring on one inner surface of the outer cladding; the pressing sheet is arranged in the half-pipe structure and pressed on the outer wall of the turn ring; and a filling gap is formed between the inner wall of the half-pipe structure and the outer wall of the turn, and an opening communicated with the filling gap is formed in the half-pipe structure and used for injecting silicone grease into the filling gap to adhere and fix the turn and the outer cladding.
7. The adaptive duct constant temperature heating apparatus according to claim 6, wherein two half-rings spaced apart from each other are provided on an inner wall of the half-tube structure, dividing the half-tube structure into a middle region and side regions located at both sides of the middle region; the preforms are located in the middle region and the filling gaps are located in the side regions.
8. The adaptive duct constant temperature heating apparatus according to claim 6, wherein an elastic compression structure connecting the pressing piece and the inner wall of the half-pipe structure is provided therebetween.
9. The adaptive duct constant temperature heating apparatus according to claim 6, wherein the connection member is provided as a string, and two strings are provided side by side between two adjacent positioning units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310250363.XA CN116480872B (en) | 2023-03-16 | 2023-03-16 | Self-adaptive pipeline constant temperature heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310250363.XA CN116480872B (en) | 2023-03-16 | 2023-03-16 | Self-adaptive pipeline constant temperature heating device |
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| Publication Number | Publication Date |
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| CN116480872A true CN116480872A (en) | 2023-07-25 |
| CN116480872B CN116480872B (en) | 2023-10-27 |
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| CN202310250363.XA Active CN116480872B (en) | 2023-03-16 | 2023-03-16 | Self-adaptive pipeline constant temperature heating device |
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| GB704685A (en) * | 1951-05-11 | 1954-02-24 | Unilever Ltd | Improvements relating to tubular coils, particularly for use in heat exchangers |
| CN2713771Y (en) * | 2004-07-02 | 2005-07-27 | 韩秀艳 | Electromagnetic induction heating coil |
| CN2937756Y (en) * | 2006-08-03 | 2007-08-22 | 胜利油田顺威石油科技开发有限公司 | Multifunction thermal insulation blanket |
| CN202992508U (en) * | 2013-01-10 | 2013-06-12 | 东北石油大学 | Power-adjustable electromagnetic heating blanket thawing device |
| CN104470017A (en) * | 2014-12-11 | 2015-03-25 | 河北同光晶体有限公司 | Induction heating coil device |
| JP2016207519A (en) * | 2015-04-24 | 2016-12-08 | 株式会社大勇フリーズ | Method for thawing frozen in-line water and thawing device used therefor |
| WO2019170511A1 (en) * | 2018-03-06 | 2019-09-12 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Induction heating device and method for operating an induction heating device |
| WO2020140990A1 (en) * | 2019-01-03 | 2020-07-09 | 佛山市顺德区美的电热电器制造有限公司 | Coil disk and cooking appliance |
| KR20220097020A (en) * | 2020-12-31 | 2022-07-07 | 세메스 주식회사 | IPA heating unit and apparatus for processing a substrate having the same |
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| CN116480872B (en) | 2023-10-27 |
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