CN102325395A - Electromagnetic induction heating roller - Google Patents
Electromagnetic induction heating roller Download PDFInfo
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- CN102325395A CN102325395A CN201110240976A CN201110240976A CN102325395A CN 102325395 A CN102325395 A CN 102325395A CN 201110240976 A CN201110240976 A CN 201110240976A CN 201110240976 A CN201110240976 A CN 201110240976A CN 102325395 A CN102325395 A CN 102325395A
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Abstract
The invention discloses an electromagnetic induction heating roller in which high-frequency electromagnetic induction coils are arranged. The main body is a hollow roller body; a magnetism conductive iron core is arranged in the roller body; one end of the magnetism conductive iron core is connected with a cable connector through a half shaft; a heating coil wound on the magnetism conductive iron core is led into the roller body via the cable connector; a compensative heating coil wound on both ends of the magnetism conductive iron core is led into the roller body via the cable connector; a layer of water-filled isolating cavity is arranged in the wall of the roller body; and the surfaces of both ends of the roller body are respectively provided with a plurality of air holes for exhausting heat. The heating roller which is produced by utilizing the electromagnetic induction heating principle can replace various other heating rollers which are still used in a large quantity at present. Compared with the currently used steam heating, resistance wires, electric heating tubes or method for heating the surface of the heating roller with hot kerosene, the electromagnetic induction heating roller can save more electricity consumption and increase the temperature stability and precision of the roller surface.
Description
Technical field:
The present invention relates to a kind of warm-up mill, particularly a kind of roller inside is provided with the warm-up mill of high-frequency electromagnetic induction coil.
Background technology:
Modern electromagnetic induction heating technology had had very much progress in recent years, and had obtained using widely in every profession and trade.
At present domestic existing a lot of producer is all in the development of being engaged in this technology and be applied in and produce, and enhances productivity and improves operational environment and all shown extraordinary prospect for saving electricity consumption.
Because each family's research and development is different with the industry of promoting, its technology and technology also all have very big difference.Technology and processing quality problem some products also arranged owing to can not reach its expected effect, so that can't further be promoted the use of in some field.
At present the roller electromagnetic induction heating there are two kinds of modes, the one, at roller outer setting electromagnetic heater, use coil windings that roller surface is carried out holding of certain angle; After coil was applied high-frequency current, coil can produce high frequency magnetic field, acted on the roller surface of steel; At this moment roller is equivalent to secondary coil, and is closed loop, does the time spent receiving high frequency magnetic field; Will produce induced current in the inside of roll surface; Because this electric current is short circuit, evolution of heat makes electric energy change into heat energy and in roll surface, propagates with regard to having formed some little eddy current for this.
Because there are some rollers when work, can change the position; Cause the distance and the angle of coil and roller to change; Answer intensity thereby changed magnetic field, the inhomogeneous instability of roll body surface temperature also has the temperature owing to reason roll body two ends of technology to be difficult to be consistent with the temperature of interlude.This has directly influenced the efficient of product quality and production.All open a way in the magnetic field of most of inductance coil in addition, as do not have reliable shield facility to cause electromagnetic radiation pollution to environment.This is the shortcoming in the roller external heat.
Another kind is in the inner electromagnetic induction heating mode that adopts of roller.This mode has had very big progress than external heat, from seeing the device that induction coil is not installed in appearance, because the high-frequency inductor coil of heating usefulness and some servicing units are all inner at roller, does not have the outside radiation of high frequency magnetic field pair roller.Operational environment to the outside does not impact and obstacle.Clean roll surface to the operative employee, adjustment equipment is tested product and has been created good condition with picking up.
The lead that this hot-rolling need be selected to tolerate high temperature is made electromagnetic induction coil, requires coil at high temperature to work long hours.In addition, owing to roller inner induction coil bracing or strutting arrangement and other various parts require under the long term high temperature condition, to use.To select non-magnet material for use as far as possible.If on manufacturing process, do not adopt an effective measure, have the part leakage field magnetic conduction parts near magnetic field are magnetized and make it the heating.So both damage these parts easily and also consumed simultaneously a part of electric energy.
Summary of the invention:
In view of above-mentioned technical problem, the invention provides the warm-up mill that a kind of roller inside is provided with the high-frequency electromagnetic induction coil.This device utilizes the hot-rolling of electromagnetic inductive heating principle manufacturing to substitute various other hot-rollings that have that also using in a large number now.The electromagnetic induction heating roller more can be saved power consumption compared with the Steam Heating of present use, resistance wire, electrothermal tube or through the method for hot coal oil heating roller surface, improves the temperature stability and the accuracy on roller surface.
Concrete technical scheme of the present invention is following:
Electromagnetic induction heating roller, main body are the roll body of a hollow; Said roll body is built-in with conducting magnet core; One end of said conducting magnet core is through semiaxis stube cable connector; Said in roll body, drawing through this cable connector twines the heater coil in conducting magnet core outside having; The said compensation heater coil that is entangled in the conducting magnet core two ends outside having that in roll body, draws through cable connector; Be provided with one deck water-filling separate space in the roller wall of said roll body; Be respectively equipped with a plurality of ventilation holes that are used for heat extraction on the roll surface of said roll body both sides.
In the such scheme, said conducting magnet core two ends are respectively equipped with the semiaxis with high temperature resistant sleeve bearing of hollow, and an end is through built-in heater coil and compensation heater coil stube cable connector, and the other end connects the axial-flow type air cooling equipment of an air draft in roll body.
In the such scheme, saidly in the roller wall, be mounted with a plurality of built-in type temperature sensors, this temperature sensor evenly distributes, and is used for gathering and collecting the temperature of whole roller outer surface.
In the such scheme, said roll body two ends are provided with the connecting axle that tape spool holds.
Beneficial effect of the present invention is following:
1. the present invention has fundamentally changed the technology that roller heating in the past uses the conduction oil conduction to heat.Compare and to economize on electricity more than 30%, reduced because environmental pollution and the fire that the conduction oil evaporating, emitting, dripping or leaking of liquid or gas causes.The operational environment in workshop and the condition of safety in production have been improved greatly.
2. the special manufacturing of heater coil of the present invention and structure thereof has determined the uniformity of better energy-saving effect, temperature and to accuracy control over temperature.Domestic existing electromagnetism warm-up mill is externally to heat mostly at present, and the volume of heater is very big, and the overslaugh operative employee tests picking up of product and observes and the sassafras of roller is wiped away.The manufacturing of coil of the present invention and mounting process make that the heating DISTRIBUTION OF MAGNETIC FIELD is more reasonable, make the control precision that is transmitted to roll surface temperature can be in ± 2 ℃.
3. device has adopted diamagneticization and exotic material in the roller of the present invention, can water-cooled iron core effective coil cooling system in the roller in addition, make the roller surface Working Temperature can reach 350 ℃ high temperature and can not damage in the roller and install.Early stage electromagnetism heating roller temperature generally can only reach about 200 ℃.
4. warm-up mill surface temperature of the present invention is when needs are lowered the temperature, and system carries out forced cooling to roll surface with the self-starting wind cooling temperature lowering.And the electromagnetism warm-up mill of other form does not mostly have heat sink at present, is producing the situation that has roller can not be lowered the temperature by the high-temperature material parcel often, and the use of forced cooling device has solved this difficult problem.
5. warm-up mill inner heating device of the present invention is provided with rational magnetic circuit system, makes its leakage field minimum, has reduced magnetic resistance and has strengthened magnetic flux density, has improved the efficient of power conversion.Thereby more saved power consumption.And stoped the magnetization of parts in the pair roller of magnetic field effectively, avoided damaging because of heating.
6. the supporting digital type controller that has used up-to-date development of the present invention; Adopted the dual DSP digital control chip; Having start and automatically regulating operating frequency, regulating multiple function such as power output automatically and survey with picking up certainly that fault shows and external control is connected communication port to adapt to the magnetic conduction characteristic of heated object.Make heating have higher stability and temperature accuracy and better power savings to roller.
Description of drawings:
Further specify the present invention below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the sectional structure chart of electromagnetic induction heating roller of the present invention.
Fig. 2 is a coil water cooling sketch map in the electromagnetic induction heating roller of the present invention.
Embodiment:
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1, that show among the figure is optimum embodiment of the present invention, and wherein the main part of warm-up mill is a hollow, and two ends are provided with the roll body 8 that tape spool holds 2 connecting axle, and roll body 8 can be just system.This roll body 8 is built-in with conducting magnet core 4, and the two ends of conducting magnet core 4 are provided with the semiaxis 11 with high temperature resistant sleeve bearing 10 of hollow.Wherein an end is through semiaxis 11 stube cable connectors 12.Draw in roll body 8 from this cable connector 12 and to twine heater coil 5 outside having in conducting magnet core 4.And in roll body 8, also draw the compensation heater coil 3 that is entangled in conducting magnet core 4 two ends outside having from cable connector 12.Above-mentioned heater coil 5 is built in this end semiaxis 11 with compensation heater coil 3.The semiaxis 11 of the other end connects the axial-flow type air cooling equipment 1 of an air draft in roll body 8.
In addition, be provided with one deck water-filling separate space 6 in the roller wall of roll body 8.Simultaneously in the roller wall, be mounted with a plurality of built-in type temperature sensors 7, this temperature sensor 7 evenly distributes, and is used for gathering and collecting the temperature of whole roller outer surface.Usually settle at least 3 built-in type temperature sensors 7 in the two ends and the stage casing of roll body 8.In addition, be respectively equipped with a plurality of ventilation holes 9 that are used for heat extraction on the roll surface of roll body 8 both sides.
According to such scheme, the running of warm-up mill of the present invention is following:
At first, frequency is the heater coil 5 of high-frequency low-voltage power supply one tunnel in handling cable, cable connector 12 entering roll bodies of 18～25KHZ.Around coil, produce alternating magnetic field; This action of a magnetic field portion's induced current and form some little eddy current and cause roll body heating within it when roll body; It is superheated steam that this heat can make the evaporating pure water in the water-filling separate space 6; The heat that it distributes mixes the temperature that can effectively regulate balanced roll body outer surface with the heat that outer roll body directly obtains.The pressure of superheated steam can be very big when roll surface temperature surpasses 150 ℃, at this moment can in separate space, change to fill out to be high temperature heat conductive oil, also has well all thermal effects.This high-frequency low-voltage power supply adopts the boiler water circulation cooling when the high temperature roller to minor diameter heats.
The compensation heater coil 3 that another road power supply gets in the roll body via cable connector 12.Be used for heating two sides of roller.7 of built-in type temperature sensors are picked up the temperature signal that measures, and feed back to power end digital temperature controller, by the operating state of temperature controller output order control heating power supply.
In addition, the conducting magnet core 4 in the roll body is used for reducing leakage field, strengthens magnetic flux density, further improves the magnetization heating functioin that electromagnetic conversion efficient can be isolated magnetic conduction parts in the pair roller tube of magnetic field simultaneously.And the semiaxis 11 at conducting magnet core 4 two ends is used for supporting whole calandria device, can avoid the mid portion heating that is magnetized.As for axial-flow type air cooling equipment 1, its semiaxis 11 through hollow is given heat radiation of roller interior loop and outer roll body cooling.Through in roll body, carrying out air-cooled operation, make hot blast in ventilation hole 9 distributing rollers.
It is pointed out that the present invention possesses following characteristics;
1. the present invention adopts the material manufacture roller inner part of high temperature resistant, high strength, high insulativity.It is a kind of industrial crystallite ceramic product of special preparation.
2. the iron core that the present invention adopted is high saturated permeability magnetic material, and its good permeance has played the magnetic isolation and reduced the effect that leakage field strengthens magnetic flux density.Can select silicon steel sheet in frequency for use during for power frequency, can select for use permalloy, Fe-based amorphous alloy and iron-base nanometer crystal alloy to make during high-frequency.
3. inductance coil of the present invention adopts the specific process coiling, and accurate assembling makes its Distribution of Magnetic Field more evenly rationally.Can start the low-voltage coil water-cooling system during temperature more than 250 ℃.The lead of heater coil is a hollow conductor, and the recirculated cooling water of can in lead, annotating is respectively equipped with water inlet 21 and delivery port 22 on this lead, makes coil under rational temperature, work (referring to Fig. 2).
4. the present invention adopts air-cooled the cooling with water-cooling system pair roller inner iron core, roll body to make it protection coil and iron core when high temperature, and can reduce roll surface temperature fast.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection range to be defined by appending claims and equivalent thereof.
Claims (4)
1. electromagnetic induction heating roller, main body is the roll body of a hollow; It is characterized in that said roll body is built-in with conducting magnet core; One end of said conducting magnet core is through semiaxis stube cable connector; Said in roll body, drawing through this cable connector twines the heater coil in conducting magnet core outside having; The said compensation heater coil that is entangled in the conducting magnet core two ends outside having that in roll body, draws through cable connector; Be provided with one deck water-filling separate space in the roller wall of said roll body; Be respectively equipped with a plurality of ventilation holes that are used for heat extraction on the roll surface of said roll body both sides.
2. according to the electromagnetic induction heating roller of claim 1; It is characterized in that; Said conducting magnet core two ends are respectively equipped with the semiaxis with high temperature resistant sleeve bearing of hollow; One end is through built-in heater coil and compensation heater coil stube cable connector, and the other end connects the axial-flow type air cooling equipment of an air draft in roll body.
3. according to the electromagnetic induction heating roller of claim 1, it is characterized in that saidly in the roller wall, be mounted with a plurality of built-in type temperature sensors, this temperature sensor evenly distributes, and is used for gathering and collecting the temperature of whole roller outer surface.
4. according to the electromagnetic induction heating roller of claim 1, it is characterized in that said roll body two ends are provided with the connecting axle that tape spool holds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110240976A CN102325395A (en) | 2011-08-22 | 2011-08-22 | Electromagnetic induction heating roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110240976A CN102325395A (en) | 2011-08-22 | 2011-08-22 | Electromagnetic induction heating roller |
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| CN102325395A true CN102325395A (en) | 2012-01-18 |
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| CN201110240976A Pending CN102325395A (en) | 2011-08-22 | 2011-08-22 | Electromagnetic induction heating roller |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778117A (en) * | 2012-08-04 | 2012-11-14 | 朱树伟 | Drying device and design method |
| CN103561491A (en) * | 2013-11-05 | 2014-02-05 | 倪伟杰 | Electromagnetic heating device |
| CN105463165A (en) * | 2015-11-18 | 2016-04-06 | 成都新话题广告有限公司 | High-precision high-temperature electromagnetic heating roller |
| TWI549827B (en) * | 2015-06-02 | 2016-09-21 | Electromagnetic induction heating wheel | |
| CN106017741A (en) * | 2016-07-28 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Sealable optical fiber sensor temperature calibration device used for meteorology |
| CN106017739A (en) * | 2016-07-28 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Temperature sensor calibration device |
| CN106017740A (en) * | 2016-07-28 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Temperature sensor calibration equipment convenient for installation and maintenance |
| CN106225954A (en) * | 2016-07-28 | 2016-12-14 | 无锡信大气象传感网科技有限公司 | There is the calibrating device for temperature sensor of electromagnetic induction roller heating |
| CN106248253A (en) * | 2016-07-28 | 2016-12-21 | 无锡信大气象传感网科技有限公司 | The temperature sensor calibrator (-ter) unit of uniform temperature fields |
| CN106525687A (en) * | 2016-10-28 | 2017-03-22 | 武汉大学 | A supercritical carbon dioxide shale soaking experiment apparatus |
| CN106903932A (en) * | 2017-04-25 | 2017-06-30 | 安徽热速达电子科技有限责任公司 | A kind of Corrugating Machine Electromechanic heating roller and its application and Corrugating Machine electromagnetic heating method |
| CN106906687A (en) * | 2017-03-10 | 2017-06-30 | 胡和萍 | A kind of papermaking dryer |
| CN108430126A (en) * | 2017-02-13 | 2018-08-21 | 特电株式会社 | Incude heat generation roller device |
| CN109640759A (en) * | 2016-05-03 | 2019-04-16 | 瑞亚供产商服务有限公司 | The equipment for being used to prepare and distributing beverage |
| CN110536497A (en) * | 2019-09-23 | 2019-12-03 | 西安慧金科技有限公司 | A kind of Double layer high efficient induction heater and heating means |
| CN111319270A (en) * | 2020-03-12 | 2020-06-23 | 淮南市百邦气动科技有限公司 | Hot-melt bonding production equipment for mining air duct |
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| CN2870091Y (en) * | 2005-12-20 | 2007-02-14 | 浙江开成电缆制造有限公司 | Conductor preheating device for crosslinked cable production line |
| TW201117674A (en) * | 2009-11-13 | 2011-05-16 | Tokuden Kk | Induction heating roller device |
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| US5553729A (en) * | 1994-08-30 | 1996-09-10 | Tokuden Co., Ltd. | Induction heating roller apparatus |
| CN2622741Y (en) * | 2003-05-12 | 2004-06-30 | 黄克 | Electromechanic heating roller |
| CN2870091Y (en) * | 2005-12-20 | 2007-02-14 | 浙江开成电缆制造有限公司 | Conductor preheating device for crosslinked cable production line |
| TW201117674A (en) * | 2009-11-13 | 2011-05-16 | Tokuden Kk | Induction heating roller device |
| CN202276488U (en) * | 2011-08-22 | 2012-06-13 | 张家港市鹏氏电子科技有限公司 | Electromagnetic induction heating roller |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778117B (en) * | 2012-08-04 | 2013-06-05 | 朱树伟 | Drying device and design method |
| CN102778117A (en) * | 2012-08-04 | 2012-11-14 | 朱树伟 | Drying device and design method |
| CN103561491A (en) * | 2013-11-05 | 2014-02-05 | 倪伟杰 | Electromagnetic heating device |
| TWI549827B (en) * | 2015-06-02 | 2016-09-21 | Electromagnetic induction heating wheel | |
| CN105463165A (en) * | 2015-11-18 | 2016-04-06 | 成都新话题广告有限公司 | High-precision high-temperature electromagnetic heating roller |
| CN109640759A (en) * | 2016-05-03 | 2019-04-16 | 瑞亚供产商服务有限公司 | The equipment for being used to prepare and distributing beverage |
| CN106017741A (en) * | 2016-07-28 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Sealable optical fiber sensor temperature calibration device used for meteorology |
| CN106017739A (en) * | 2016-07-28 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Temperature sensor calibration device |
| CN106017740A (en) * | 2016-07-28 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Temperature sensor calibration equipment convenient for installation and maintenance |
| CN106225954A (en) * | 2016-07-28 | 2016-12-14 | 无锡信大气象传感网科技有限公司 | There is the calibrating device for temperature sensor of electromagnetic induction roller heating |
| CN106248253A (en) * | 2016-07-28 | 2016-12-21 | 无锡信大气象传感网科技有限公司 | The temperature sensor calibrator (-ter) unit of uniform temperature fields |
| CN106525687A (en) * | 2016-10-28 | 2017-03-22 | 武汉大学 | A supercritical carbon dioxide shale soaking experiment apparatus |
| CN106525687B (en) * | 2016-10-28 | 2020-06-23 | 武汉大学 | Supercritical carbon dioxide soaks shale experimental apparatus |
| CN108430126A (en) * | 2017-02-13 | 2018-08-21 | 特电株式会社 | Incude heat generation roller device |
| KR20180093800A (en) * | 2017-02-13 | 2018-08-22 | 토쿠덴 가부시기가이샤 | Induction heated roll apparatus |
| CN108430126B (en) * | 2017-02-13 | 2021-11-09 | 特电株式会社 | Induction heating roller device |
| KR102388095B1 (en) * | 2017-02-13 | 2022-04-20 | 토쿠덴 가부시기가이샤 | Induction heated roll apparatus |
| CN106906687A (en) * | 2017-03-10 | 2017-06-30 | 胡和萍 | A kind of papermaking dryer |
| CN106906687B (en) * | 2017-03-10 | 2018-07-03 | 江门中顺纸业有限公司 | A kind of papermaking dryer |
| CN106903932A (en) * | 2017-04-25 | 2017-06-30 | 安徽热速达电子科技有限责任公司 | A kind of Corrugating Machine Electromechanic heating roller and its application and Corrugating Machine electromagnetic heating method |
| CN110536497A (en) * | 2019-09-23 | 2019-12-03 | 西安慧金科技有限公司 | A kind of Double layer high efficient induction heater and heating means |
| CN110536497B (en) * | 2019-09-23 | 2024-04-12 | 西安慧金科技有限公司 | Double-layer efficient induction heater and heating method |
| CN111319270A (en) * | 2020-03-12 | 2020-06-23 | 淮南市百邦气动科技有限公司 | Hot-melt bonding production equipment for mining air duct |
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Owner name: ZHANGJIAGANG HONGYANG PETROCHEMICAL MACHINERY CO., Free format text: FORMER OWNER: ZHANGJIAGANG PENGSHI ELECTRONIC TECHNOLOGY CO., LTD. Effective date: 20130515 |
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Effective date of registration: 20130515 Address after: Zhangjiagang City gold town Houchen Village Triangle in Suzhou City, Jiangsu province 215600 Applicant after: Zhangjiagang Hongyang Petrochemical Machinery Co., Ltd. Address before: Zhangjiagang Ganghua Road Town Gold Beach Village in Suzhou City, Jiangsu province 215600 Applicant before: Zhangjiagang Pengshi Electronic Technology Co., Ltd. |
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Application publication date: 20120118 |