一种大功率石油传输管道加热系统  

A High-Power Heating System for Pipelines of Crud Oil Transportation

作　　者：张恭铭[1] 李婉莹[1] 张锷[1] 

机构地区：[1]哈尔滨师范大学物理与电子工程学院,黑龙江哈尔滨150025

出　　处：《哈尔滨理工大学学报》2016年第2期44-48,共5页Journal of Harbin University of Science and Technology

基　　金：黑龙江省自然科学基金(A201104)

摘　　要：针对高寒地区石油传输管道存在管道结蜡、石油凝结和输送效率低等问题,设计了一种中频加热电源.依据电磁感应原理,在分析系统原理的基础上设计了控制电路的结构,给出了整流滤波电路、半桥逆变电路、防浪涌保护电路等的设计过程和相应的硬件电路图.建立了比例积分微分(proportional integral derivative,PID)温度控制系统模型,并阐述了系统功率和加热温度的控制方法 .依据电路结构推导出了电路的参数,编写控制程序确定系统模型的参数.通过搭建硬件电路实现了最大输出功率20 k W、频率25 k Hz的感应加热电源,从而验证了系统设计的合理性.In order to solve wax deposition,oil solidification,low transmission efficiency and the like in the pipelines of crude oil transportation in cold areas,the medium-frequency induction electric heating power is devised. Based on the principle of electromagnetic induction,and the analysis of systems theory,the structure of the control circuit is devised,together with the processes of designing rectifier filter circuit,half bridge inverter circuit,anti surge protection circuit,and their corresponding hardware circuit diagrams. In addition,the model of PID temperature-controlling system is constructed and the controlling methods of system power and heating temperature are stated. Furthermore,according to the circuit structure,the parameters of the circuit are deduced. The control programs are written,and the parameters of the system model are determined. By designing hardware circuit,induction heating power supply with the output power maximum 20 k W,frequency 25 k Hz is invented,which proves that the design of the system is reasonable.

关 键 词：感应加热 中频 PID控制 逆变器 

分 类 号：TN86[电子电信—信息与通信工程]