CN101937246A - Method and device for controlling temperature uniformity of heating roller - Google Patents
Method and device for controlling temperature uniformity of heating roller Download PDFInfo
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- CN101937246A CN101937246A CN 201010294248 CN201010294248A CN101937246A CN 101937246 A CN101937246 A CN 101937246A CN 201010294248 CN201010294248 CN 201010294248 CN 201010294248 A CN201010294248 A CN 201010294248A CN 101937246 A CN101937246 A CN 101937246A
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Abstract
The invention discloses a method and a device for controlling the temperature uniformity of a heating roller. In the invention, the heating roller is heated by an electromagnetic heating process, the heating roller is a hollow roller of which the middle is hollow, an electromagnetic heating device is arranged in the hollow part of the heating roller; and the electromagnetic heating device comprises more than three electromagnetic heating coils, and the heat productivities of the electromagnetic heating coils are controlled respectively to control the temperature uniformity of the heating roller. Controlling the temperature uniformity of the heating roller by controlling the heat productivities of the electromagnetic heating coils respectively is arranging the electromagnetic heating coils in the hollow part of the heating roller and along the axial direction of the heating roller, wherein the heating powers of the electromagnetic heating coils are different according to the radiation condition of the heating roller, namely electromagnetic heating coils with high heating powers are used for the parts, on which radiation is quick, of the heating roller, while electromagnetic heating coils with low heating powers for the parts, on which radiation is low, of the heating roller, so as to ensure the radiation rate and heat absorption rate of the heating roller are the same; and thus, the temperature of the entire heating roller raises and falls uniformly.
Description
Technical field
The present invention relates to a kind of arrangement method and structure of device, refer in particular to a kind of control method and device of heating roller temperature uniformity coefficient, international Patent classificating number is G01K, G08C and H04B, is mainly used in the temperature uniformity control of various warm-up mills.
Background technology
Warm-up mill is widely used in industries such as plastic wire-drawing, plastics making sheet, composite membrane, laser printing, process hides, nonwoven fabrics, is mainly used in the heating to material; Now general warm-up mill mostly is and adopts conduction oil or two kinds of type of heating of electrothermal tube, and these two kinds of type of heating ubiquity thermals efficiency are low, energy consumption big, environmental pollution, temperature control precision is low and shortcoming such as temperature uniformity difference.Especially aspect temperature detection, the temperature detecting point of traditional warm-up mill has dual mode:
1, the heat-conducting oil heating roller is to adopt the mode that detects the conduction oil temperature.The shortcoming of this mode is: the oil temperature is big with the roll surface temperature difference, temperature system control hysteresis is big, temperature difference turnover oil is big, the roll surface temperature uniformity coefficient is not high.
2, the electric heating roller employing is directly adopted the rubbing contact thermometric in the position that roll surface does not have actuating medium.The shortcoming of this mode is: directly not high, the temperature element of the temperature variation in the testing zone, temperature control precision affected by environment big, the proportion of goods damageds are high.
Along with modern processing industry improving constantly to temperature control requirement, temperature detection mode in the past can not satisfy the requirement of present heating roller temperature control fully, in order to solve in the production requirement to high-temperature precision warm-up mill, propose to guarantee that as present many warm-up mills heating-up temperature is 100 ℃-400 ℃ the time, temperature controlled uniformity coefficient must guarantee ± 1 ℃/1000mm in, and do not reach above-mentioned requirements with present traditional device arrangement method of heating, therefore the necessary a kind of new warm-up mill of seeking other the device arrangement method of heating is with the temperature uniformity of further raising warm-up mill.
Summary of the invention
This patent is invented problem to be solved: do not reach the deficiency of practical work requirement at existing heating roller temperature uniformity coefficient control accuracy, propose a kind of control method and device that can further improve the heating roller temperature uniformity coefficient of heating roller temperature uniformity coefficient.
The objective of the invention is to be achieved through the following technical solutions: a kind of control method of heating roller temperature uniformity coefficient, utilize the electromagnetic heating method heating roller, warm-up mill is the hollow roll of intermediate hollow, electromagnetic heater is located in the hollow parts of warm-up mill; Described electromagnetic heater is a plurality of electromagnetism heating collars more than three, controls the temperature uniformity of warm-up mill by the thermal value of controlling the electromagnetism heating collar respectively.The described temperature uniformity of controlling warm-up mill by the thermal value of controlling the electromagnetism heating collar respectively be with the electromagnetism heating collar in the hollow parts of warm-up mill along the warm-up mill axial array, and according to warm-up mill heat radiation situation, each electromagnetism heating collar is different heating power; Warm-up mill partly adopts the bigger electromagnetism heating collar of heating power to dispelling the heat faster, partly adopt the less electromagnetism heating collar of heating power for the slower warm-up mill of heat radiation, identical with the heat radiation that guarantees warm-up mill with the heat absorption rate, thus reach the even lifting of whole heating roller temperature.
Control device according to a kind of heating roller temperature uniformity coefficient that said method proposed is: a kind of control device of heating roller temperature uniformity coefficient comprises warm-up mill, warm-up mill bracing or strutting arrangement and heating arrangement; Warm-up mill is installed on the warm-up mill bracing or strutting arrangement, and warm-up mill is that center section is hollow hollow warm-up mill, in the warm-up mill central hollow heating arrangement is installed partly, and heating arrangement is an electromagnetic heater; Described electromagnetic heater is a plurality of electromagnetism heating collars more than three, and along the warm-up mill axial array, and according to warm-up mill heat radiation situation, each electromagnetism heating collar is different heating power to the electromagnetism heating collar in the hollow parts of warm-up mill; Warm-up mill partly adopts the bigger electromagnetism heating collar of heating power to dispelling the heat faster, partly adopt the less electromagnetism heating collar of heating power for the slower warm-up mill of heat radiation, identical with the heat radiation that guarantees warm-up mill with the heat absorption rate, thus reach the even lifting of whole heating roller temperature.
The present invention controls the temperature uniformity of warm-up mill by the thermal value of controlling the electromagnetism heating collar respectively, according to warm-up mill heat radiation situation, sets the heating power of each electromagnetism heating collar respectively; Warm-up mill partly adopts the bigger electromagnetism heating collar of heating power to dispelling the heat faster, partly adopt the less electromagnetism heating collar of heating power for the slower warm-up mill of heat radiation, can guarantee effectively that like this heat radiation of warm-up mill is identical with the heat absorption rate, thereby reach the even lifting of whole heating roller temperature, effectively control the temperature uniformity of warm-up mill.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is warm-up mill and electromagnetism heating collar temperature relation curve synoptic diagram.
Embodiment
The present invention is described further below in conjunction with drawings and Examples.
Embodiment one
Accompanying drawing 1 has provided one embodiment of the present of invention, from accompanying drawing, as can be seen, the present invention relates to a kind of control method of heating roller temperature uniformity coefficient, utilize the electromagnetic heating method heating roller, warm-up mill is the hollow roll of intermediate hollow, and electromagnetic heater is located in the hollow parts of warm-up mill; Described electromagnetic heater is a plurality of electromagnetism heating collars more than three, controls the temperature uniformity of warm-up mill by the thermal value of controlling the electromagnetism heating collar respectively.The described temperature uniformity of controlling warm-up mill by the thermal value of controlling the electromagnetism heating collar respectively be with the electromagnetism heating collar in the hollow parts of warm-up mill along the warm-up mill axial array, and according to warm-up mill heat radiation situation, each electromagnetism heating collar is different heating power; Warm-up mill partly adopts the bigger electromagnetism heating collar of heating power to dispelling the heat faster, partly adopt the less electromagnetism heating collar of heating power for the slower warm-up mill of heat radiation, identical with the heat radiation that guarantees warm-up mill with the heat absorption rate, thus reach the even lifting of whole heating roller temperature.
Control device according to a kind of heating roller temperature uniformity coefficient that said method proposed is: a kind of control device of heating roller temperature uniformity coefficient comprises warm-up mill 2, warm-up mill bracing or strutting arrangement 3 and heating arrangement 1; Warm-up mill 2 is installed on the warm-up mill bracing or strutting arrangement 3, and warm-up mill 2 partly is equipped with heating arrangement 1 for center section is hollow hollow warm-up mill in warm-up mill 2 central hollow, and heating arrangement 1 is an electromagnetic heater; Described electromagnetic heater 1 is that 8 electromagnetism heating collar even numbers are arranged, be respectively the first electromagnetism heating collar 3, the second electromagnetism heating collar 4, the 3rd electromagnetism heating collar 5, the 4th electromagnetism heating collar 6, the 5th electromagnetism heating collar 7, the 6th electromagnetism heating collar 8, the 7th electromagnetism heating collar 9 and the 8th electromagnetism heating collar, the first electromagnetism heating collar 3, the second electromagnetism heating collar 4, the 3rd electromagnetism heating collar 5, the 4th electromagnetism heating collar 6, the 5th electromagnetism heating collar 7, the 6th electromagnetism heating collar 8, the 7th electromagnetism heating collar 9 and the 8th electromagnetism heating collar 10 axial array are in the hollow parts of warm-up mill, and each electromagnetism heating collar is different heating power; The power of electromagnetism heating collar is adjusted according to warm-up mill heat radiation situation is independent respectively; Wherein, the two end portions 12 and 13 of warm-up mill adopts the bigger electromagnetism heating collar of heating power to dispelling the heat faster, the warm-up mill center section slower for heat radiation adopts the less electromagnetism heating collar of heating power, identical with the heat radiation that guarantees warm-up mill with the heat absorption rate, thus reach the even lifting of whole heating roller temperature.The i.e. heating power maximum of the first electromagnetism heating collar 3 and the 8th electromagnetism heating collar 10, the heating power of the second electromagnetism heating collar 4 and the 7th electromagnetism heating collar 9 takes second place, the heating power of the 3rd electromagnetism heating collar 5 and the 6th electromagnetism heating collar 8 takes second place again, the heating power minimum of the 4th electromagnetism heating collar 6 and the 5th electromagnetism heating collar 7.Warm-up mill 2 is installed on the warm-up mill bracing or strutting arrangement 3 by bearing 11.
The temperature curve relation of warm-up mill and electromagnetism heating collar as shown in Figure 2.From accompanying drawing 2 as can be seen warm-up mill because of heat radiation to cause the temperature distribution history of roller be shown in the curve 14, two ends are because of rapid heat dissipation, so cause temperature low; So the heat that the electromagnetism heating collar provides according to the heat radiation situation of warm-up mill shown in curve 15.The two ends thermal loss is big, then remedies by the power that increases the electromagnetism heating collar, and with assurance waste heat balance, thus the temperature uniformity of assurance warm-up mill.
The number of electromagnetism heating collar also can be a plurality of electromagnetism heating collars of even number such as 4,6 or 10, axially is distributed in the warm-up mill 2 central hollow part.Described electromagnetism heating collar is fixed on warm-up mill bracing or strutting arrangement 3, does not rotate with warm-up mill.
Embodiment two
The principle of embodiment two is the same with embodiment one, and just the electromagnetism heating collar is that odd number is arranged, is respectively a plurality of electromagnetism heating collars of odd number such as 3,5,7,9.Described electromagnetism heating collar is fixed in the warm-up mill 2, rotates with warm-up mill.
Claims (9)
1. the control method of a heating roller temperature uniformity coefficient is utilized the electromagnetic heating method heating roller, and warm-up mill is the hollow roll of intermediate hollow, and electromagnetic heater is located in the hollow parts of warm-up mill; It is characterized in that: described electromagnetic heater is a plurality of electromagnetism heating collars more than three, controls the temperature uniformity of warm-up mill by the thermal value of controlling the electromagnetism heating collar respectively.
2. the control method of heating roller temperature uniformity coefficient as claimed in claim 1, it is characterized in that: the described temperature uniformity of controlling warm-up mill by the thermal value of controlling the electromagnetism heating collar respectively be with the electromagnetism heating collar in the hollow parts of warm-up mill along the warm-up mill axial array, and according to warm-up mill heat radiation situation, each electromagnetism heating collar is different heating power; Warm-up mill partly adopts the bigger electromagnetism heating collar of heating power to dispelling the heat faster, partly adopt the less electromagnetism heating collar of heating power for the slower warm-up mill of heat radiation, identical with the heat radiation that guarantees warm-up mill with the heat absorption rate, thus reach the even lifting of whole heating roller temperature.
3. according to the control device of a kind of heating roller temperature uniformity coefficient that control method proposed of the described heating roller temperature uniformity coefficient of claim 1, comprise warm-up mill, warm-up mill bracing or strutting arrangement and heating arrangement; Warm-up mill is installed on the warm-up mill bracing or strutting arrangement, and warm-up mill is that center section is hollow hollow warm-up mill, in the warm-up mill central hollow heating arrangement is installed partly, and heating arrangement is an electromagnetic heater; It is characterized in that: described electromagnetic heater is a plurality of electromagnetism heating collars more than three, and along the warm-up mill axial array, and according to warm-up mill heat radiation situation, each electromagnetism heating collar is different heating power to the electromagnetism heating collar in the hollow parts of warm-up mill.
4. the control device of heating roller temperature uniformity coefficient as claimed in claim 3, it is characterized in that: warm-up mill partly adopts the bigger electromagnetism heating collar of heating power to the heating power of the heating power of described electromagnetism heating collar to dispelling the heat faster, partly adopt the less electromagnetism heating collar of heating power for the slower warm-up mill of heat radiation, identical with the heat radiation that guarantees warm-up mill with the heat absorption rate.
5. the control device of heating roller temperature uniformity coefficient as claimed in claim 4 is characterized in that: electromagnetism heating collar even number is arranged a plurality of electromagnetism heating collars, axially is distributed in the warm-up mill central hollow part.
6. the control device of heating roller temperature uniformity coefficient as claimed in claim 4 is characterized in that: the power of electromagnetism heating collar is adjusted according to warm-up mill heat radiation situation is independent respectively; Wherein, the part two end portions of warm-up mill adopts the bigger electromagnetism heating collar of heating power to dispelling the heat faster, and the warm-up mill center section slower for heat radiation adopts the less electromagnetism heating collar of heating power.
7. the control device of heating roller temperature uniformity coefficient as claimed in claim 4 is characterized in that: electromagnetism heating collar odd number is arranged a plurality of electromagnetism heating collars, axially is distributed in the warm-up mill central hollow part.
8. the control device of heating roller temperature uniformity coefficient as claimed in claim 4 is characterized in that: described electromagnetism heating collar is fixed on the warm-up mill bracing or strutting arrangement, does not rotate with warm-up mill.
9. the control device of heating roller temperature uniformity coefficient as claimed in claim 4 is characterized in that: described electromagnetism heating collar is fixed in the warm-up mill, rotates with warm-up mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010294248 CN101937246A (en) | 2010-09-28 | 2010-09-28 | Method and device for controlling temperature uniformity of heating roller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010294248 CN101937246A (en) | 2010-09-28 | 2010-09-28 | Method and device for controlling temperature uniformity of heating roller |
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| CN101937246A true CN101937246A (en) | 2011-01-05 |
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| CN 201010294248 Pending CN101937246A (en) | 2010-09-28 | 2010-09-28 | Method and device for controlling temperature uniformity of heating roller |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526934A (en) * | 2014-12-29 | 2015-04-22 | 常州市龙道电子商务有限公司 | Heating roller |
| CN105599197A (en) * | 2016-03-10 | 2016-05-25 | 安徽皖维高新材料股份有限公司 | Method for heating curtain coating roller of polyvinyl alcohol water solution |
| CN108345328A (en) * | 2017-01-23 | 2018-07-31 | 上海联净电子科技有限公司 | Electromechanic heating roller temperature-controlling system and its method |
| CN108856294A (en) * | 2017-05-12 | 2018-11-23 | 深圳市科晶智达科技有限公司 | Heat roller and using the heating roller to roller mill |
| CN111638048A (en) * | 2020-05-28 | 2020-09-08 | 扬州大学 | Simulation device for rubbing fault caused by thermal bending of multistage bladed disk rotor |
| CN117246039A (en) * | 2023-10-26 | 2023-12-19 | 浙江京华激光科技股份有限公司 | Infrared heating's moulding roller group and mould pressing equipment |
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| CN1447628A (en) * | 2002-03-27 | 2003-10-08 | 哈利盛东芝照明株式会社 | Induction heating roller appts. and image foming device |
| CN1452436A (en) * | 2002-04-17 | 2003-10-29 | 哈利盛东芝照明株式会社 | Induction heating roller device, fixing device and image forming device |
| CN2622741Y (en) * | 2003-05-12 | 2004-06-30 | 黄克 | Electromechanic heating roller |
| CN101254638A (en) * | 2008-03-10 | 2008-09-03 | 株洲科力通用设备有限公司 | Heating roller heating method and heating roller |
| CN201483735U (en) * | 2009-06-17 | 2010-05-26 | 青岛福润德塑料挤出技术有限公司 | High-efficiency energy-saving molding machine |
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2010
- 2010-09-28 CN CN 201010294248 patent/CN101937246A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1447628A (en) * | 2002-03-27 | 2003-10-08 | 哈利盛东芝照明株式会社 | Induction heating roller appts. and image foming device |
| CN1452436A (en) * | 2002-04-17 | 2003-10-29 | 哈利盛东芝照明株式会社 | Induction heating roller device, fixing device and image forming device |
| CN2622741Y (en) * | 2003-05-12 | 2004-06-30 | 黄克 | Electromechanic heating roller |
| CN101254638A (en) * | 2008-03-10 | 2008-09-03 | 株洲科力通用设备有限公司 | Heating roller heating method and heating roller |
| CN201483735U (en) * | 2009-06-17 | 2010-05-26 | 青岛福润德塑料挤出技术有限公司 | High-efficiency energy-saving molding machine |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526934A (en) * | 2014-12-29 | 2015-04-22 | 常州市龙道电子商务有限公司 | Heating roller |
| CN105599197A (en) * | 2016-03-10 | 2016-05-25 | 安徽皖维高新材料股份有限公司 | Method for heating curtain coating roller of polyvinyl alcohol water solution |
| CN105599197B (en) * | 2016-03-10 | 2018-05-22 | 安徽皖维高新材料股份有限公司 | A kind of method of polyvinyl alcohol water solution curtain coating roller heating |
| CN108345328A (en) * | 2017-01-23 | 2018-07-31 | 上海联净电子科技有限公司 | Electromechanic heating roller temperature-controlling system and its method |
| CN108345328B (en) * | 2017-01-23 | 2020-02-07 | 上海联净电子科技有限公司 | Temperature control system and method for electromagnetic heating roller |
| CN108856294A (en) * | 2017-05-12 | 2018-11-23 | 深圳市科晶智达科技有限公司 | Heat roller and using the heating roller to roller mill |
| CN108856294B (en) * | 2017-05-12 | 2024-05-24 | 深圳市科晶智达科技有限公司 | Heating roller and pair rolling mill adopting same |
| CN111638048A (en) * | 2020-05-28 | 2020-09-08 | 扬州大学 | Simulation device for rubbing fault caused by thermal bending of multistage bladed disk rotor |
| CN117246039A (en) * | 2023-10-26 | 2023-12-19 | 浙江京华激光科技股份有限公司 | Infrared heating's moulding roller group and mould pressing equipment |
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Application publication date: 20110105 |