承压设备厚板中频感应加热局部热处理试验研究

doi:10.3901/JME.2023.08.083

机械工程学报 ›› 2023, Vol. 59 ›› Issue (8): 83-90.doi: 10.3901/JME.2023.08.083

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承压设备厚板中频感应加热局部热处理试验研究

金强¹, 蒋文春¹, 王金光², 李刚³, 张凯³, 李滨⁴, 涂善东⁵

1. 中国石油大学(华东)新能源学院青岛 266580;
2. 中国石化工程建设有限公司北京 100101;
3. 青岛兰石重型机械设备有限公司青岛 266500;
4. 青岛海越机电科技有限公司青岛 266000;
5. 华东理工大学机械与动力工程学院上海 20023

收稿日期:2022-02-06 修回日期:2022-10-14 出版日期:2023-04-20 发布日期:2023-06-16
通讯作者: 蒋文春,男,1980年出生,博士,教授,博士研究生导师。主要研究方向为能源与化工装备安全。E-mail:jiangwenchun@126.com
作者简介:金强,男,1992年出生,博士研究生。主要研究方向为大型承压设备主副感应加热局部热处理。E-mail:jinqiangupc@163.com
基金资助:
国家自然科学基金企业创新发展联合基金资助项目(U21B2076)

Experimental Study on Local Heat Treatment of Thick Plate with Medium Frequency Induction Heating in Pressure Equipment

JIN Qiang¹, JIANG Wen-chun¹, WANG Jin-guang², LI Gang³, ZHANG Kai³, LI Bin⁴, TU Shan-dong⁵

1. College of New Energy, China University of Petroleum(East China), Qingdao 266580;
2. China Petrochemical Corporation (SINOPEC), Beijing 100101;
3. Qingdao Lanshi Heavy Machinery Equipment Co., Ltd., Qingdao 266500;
4. Qingdao Haiyue Electro-mechanical Technologies Co., Ltd., Qingdao 266000;
5. School of Mechanical and Power Engineering,East China University of Science and Technology, Shanghai 200237

Received:2022-02-06 Revised:2022-10-14 Online:2023-04-20 Published:2023-06-16

摘要/Abstract

摘要： 为了实现承压设备总装环缝局部热处理,基于中频感应加热技术,研究了超厚板在感应加热过程中的温度分布规律及温度均匀性。热处理过程中均温区的温度均匀性是保证局部热处理效果的关键。以马鞍形厚板为研究对象,进行感应加热试验,利用布置在不同深度的热电偶测量感应加热过程中沿壁厚方向的温度演化曲线。同样,将感应加热应用于加氢反应器筒体,测量感应加热过程中沿轴向方向的温度演化曲线。结果表明:马鞍形厚板在整个感应加热过程中沿壁厚方向最大温差在17℃以内,在保温阶段的最大温差为14.4℃;加氢反应器筒体焊接接头均温区在整个感应加热过程中最大温差在42℃以内,在保温阶段的最大温差为12℃。感应加热温度控制精度能够满足超厚板局部热处理均温性的要求,可在大型厚壁容器局部热处理中推广应用。

关键词: 承压设备, 筒体合拢缝, 局部热处理, 中频感应加热, 均温性

Abstract: In order to realize the local heat treatment of the cylinder to cylinder girth welds of pressure equipment, the temperature distribution and temperature uniformity of the ultra-thick plate during the induction heating are studied based on the medium frequency induction heating technology. The temperature uniformity of the soak band during the heat treatment is the key to ensure the effect of the local heat treatment. The induction heating experiments were carried out on the saddle-shaped ultra-thick plate, and the temperature evolution curve along the direction of wall thickness during the induction heating were measured by using thermocouples arranged at different depths. Similarly, the induction heating experiments were applied to the heavy hydroprocessing reactor cylinder, and the temperature evolution curve along the axial direction during the induction heating were measured. The results show that the maximum temperature difference of the saddle-shaped thick plate during the whole induction heating process is within 17 ℃, and the maximum temperature difference at the preservation stage is 14.4 ℃. The maximum temperature difference in the uniform temperature zone of the welded joints of the heavy hydroprocessing reactor cylinder during the whole induction heating process is within 42 ℃, and the maximum temperature difference at the holding stage is 12 ℃. The precision of induction heating temperature control can meet the requirements of local heat treatment of ultra-thick plates, and can be widely used in local heat treatment of large thick-walled vessels.

Key words: pressure equipment, cylinder to cylinder girth welds, local postweld heat treatment, medium frequency induction heating, temperature uniformity

中图分类号:

TG156

金强, 蒋文春, 王金光, 李刚, 张凯, 李滨, 涂善东. 承压设备厚板中频感应加热局部热处理试验研究[J]. 机械工程学报, 2023, 59(8): 83-90.

JIN Qiang, JIANG Wen-chun, WANG Jin-guang, LI Gang, ZHANG Kai, LI Bin, TU Shan-dong. Experimental Study on Local Heat Treatment of Thick Plate with Medium Frequency Induction Heating in Pressure Equipment[J]. Journal of Mechanical Engineering, 2023, 59(8): 83-90.

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承压设备厚板中频感应加热局部热处理试验研究

Experimental Study on Local Heat Treatment of Thick Plate with Medium Frequency Induction Heating in Pressure Equipment

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