Heating device and method for steel plate weld joint heat treatment
A heating device and steel plate technology, applied in heat treatment furnaces, heat treatment equipment, heat treatment process control, etc., can solve the problems of rough control mode, single control target, large thermal stress, etc., and achieve the effect of improving heat treatment quality and precise temperature control
Active Publication Date: 2021-10-19
安徽晟合智能装备制造有限公司
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Problems solved by technology
Although this method has the advantages of high heating efficiency, energy saving and environmental protection, and small distortion, it has the following disadvantages and shortcomings: when the weld is heated, only the weld temperature is used as a single control target, the control method is relatively rough, and how to control the heating process The problem of achieving more precise control to improve the quality of weld heat treatment has not yet been resolved. At the same time, one more sensor is used to heat the weld. The temperature gradient in the non-heat treatment area around the weld is relatively large, and it is easy to cause large thermal stress during the heating process. Cracks appear
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[0045] In order to detail the technical content, structural features, achieved goals and effects of the present invention, the following will be described in detail in conjunction with the accompanying drawings.
[0046] The steel plate welding seam heat treatment heating device provided by the present invention, such as figure 1 As shown, it includes computer, device body, conveying shaft, main coil, first monitoring device, steel plate to be processed, second monitoring device, auxiliary coil device, first motor, main induction power supply and auxiliary induction power supply, the first motor and The conveying shaft is fixedly connected, the main coil installed on the body of the device is located directly above the weld seam of the steel plate to be processed, and is connected to the main induction power supply, the first monitoring device is installed in front of the main coil, and one is installed on each side of the main coil. The auxiliary coil device connected with th...
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The invention relates to a heating device for steel plate weld joint heat treatment. The heating device comprises a computer, a device body, a conveying shaft, a main coil, a first monitoring device, a to-be-treated steel plate, a second monitoring device, secondary coil devices, a first motor, a main sensing power source and secondary sensing power sources. The first motor is fixedly connected with the conveying shaft. The main coil mounted on the device body is located over a weld joint of the to-be-treated steel plate and connected with the main sensing power source. The first monitoring device is mounted in front of the main coil. The two sides of the main coil are each provided with one secondary coil device connected with the corresponding secondary sensing power source. The second monitoring device is mounted in front of the secondary coil devices. The computer conducts data interaction with all the devices. A heating method for steel plate weld joint heat treatment is provided on the basis of the heating device for steel plate weld joint heat treatment. According to the heating device and method for steel plate weld joint heat treatment, the temperature and the thermal stress are used as control objects, the secondary coil devices are used for conducting temperature gradient adjustment on other areas of the weld joint while the main coil is used for heating the weld joint, and therefore the weld joint heat treatment quality of the to-be-treated steel plate is improved.
Description
technical field [0001] The invention belongs to the technical field of steel plate production, and in particular relates to a heating device and method for heat treatment of steel plate weld seams. Background technique [0002] As a common metal connection method, welding is widely used in the field of steel plate production. However, due to the high temperature during welding and the uneven temperature around the weld, the residual stress at the weld is relatively large, and relatively easy to appear inside the weld. Small cracks and hard spots. In order to improve the reliability of welds, researchers often use normalizing and high temperature tempering to heat treat welds. [0003] At present, in order to obtain better quality of weld heat treatment, researchers have proposed a method of heat treatment of weld using electromagnetic induction heating. Although this method has the advantages of high heating efficiency, energy saving and environmental protection, and small...
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IPC IPC(8): C21D9/50C21D11/00
CPCC21D9/50C21D11/00Y02P10/25
Inventor高新亮任善银刘伟
Owner安徽晟合智能装备制造有限公司