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Strip material treatment apparatus

A processing device and strip technology, applied in heat treatment furnaces, pretreatment surfaces, heat treatment equipment, etc., can solve the problems of uneven temperature, uneven calorific value, and insufficient heat treatment of strips, and achieve the correction of uneven temperature, temperature uniform effect

Active Publication Date: 2012-10-17
CHUGAI RO CO LTD
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Problems solved by technology

[0003] However, the amount of heat generated by induction heating varies depending on the shape and arrangement of the heating coil, so there is a disadvantage that the temperature of the strip is not uniform in the width direction
For the induction heating of the strip, in order to reduce the temperature difference in the width direction, although the shape and configuration of the heating coil have been studied, it is not sufficient for the high-demand heat treatment of the strip
[0004] Therefore, when the uniformity of heating is required, even if induction heating is used in the heat treatment of the strip, the induction heating is only responsible for generating a part of the heat applied to the strip, which largely depends on the uniform heating Indirect heating such as radiation method and forced convection method, so the miniaturization of the device is not satisfied

Method used

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Embodiment Construction

[0025] Hereinafter, embodiments of the present invention will be described with reference to the drawings. figure 1 The outline of the strip processing apparatus 1 according to the first embodiment of the present invention is shown. The strip processing device 1 comprises: an induction heating chamber 3 having an induction heating coil 2 with an output power of 3.0 MW, a temperature difference compensation chamber 5 having a temperature-regulating pressure pad 4 involved in the present invention, and a resistor with an output power of 0.5 MW. The indirect heating chamber 7 of the heating element 6 . The strip 8 is supplied to the induction heating chamber 3 under the guidance of the guide roller 9 , passes through the temperature difference compensation chamber 5 , is heated to the final target temperature in the indirect heating chamber 7 , and is then carried out to the next process under the guidance of the pressure pad 10 .

[0026] For example, a normal-temperature strip...

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Abstract

A strip material treatment apparatus (1) capable of uniforming the temperature of a strip material in the widthwise direction has a plurality of hot air blowing means (18) constituted by segmenting a circulation duct (15) having a heater (14) in the widthwise direction of the strip material (8) at the portion downstream of the heater (14) and to blow hot air against the strip material (8), temperature measuring means (20) that measures a temperature distribution in the widthwise direction of the strip material (8) in downstream of the hot air blowing means (18), and a hot air regulating means(21) that regulates the airflow quantity of hot air to be blown by adjusting the degree of opening of a damper (16) for each hot air blowing means (18) so that the temperature variation in the widthwise direction of the strip material (8) is reduced in accordance with a detection result of the temperature measuring means (20).

Description

technical field [0001] The invention relates to a strip handling device. Background technique [0002] Japanese Patent Laid-Open No. 2005-15873 and Japanese Patent Laid-Open No. 10-180181 describe strip processing devices using induction heating. Induction heating is a direct heating method to heat the strip itself. Since the calorific value changes linearly with the input power, the response of temperature control is fast. In addition, since induction heating can increase the heating amount per unit area, there is an advantage that processing equipment can be reduced. [0003] However, since the amount of heat generated by induction heating varies depending on the shape and arrangement of the heating coil, there is a disadvantage that the temperature of the strip is not uniform in the width direction. For the induction heating of the strip, although the shape and arrangement of the heating coils have been studied in order to reduce the temperature difference in the width ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/52C21D1/34C21D11/00
CPCC21D9/63C21D9/60C21D9/62C21D11/00C21D1/42Y02P10/25B05D3/02
Inventor 城野洋
Owner CHUGAI RO CO LTD
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