Based on can bus , this thesis develops an innovational air preheater leakage control system , with pcs structure to fulfil the optimal control over system structure and the multi - signals transfer 为了优化控制系统结构并解决系统中多种信号的传递问题，本课题以can总线为基础，建立了fcs结构的新一代空气预热器密封间隙控制系统。
Air cannon block clearer is a special device used to prevent and remove the material blast and block of all kinds of bunker , hopper , cement preheating furnace , pipeline y section and mine drawshaft and drawslope 空气炮清堵器是防止和消除各类型料仓，料斗、水泥预热器窑和管道分叉处及矿山溜井、溜坡的物料起拱，粘仓闭塞等现象的专用装置。
Power boiler air preheater hot spots detection system is a indispensable installation which are applied in power plant largely . it fires easily for air preheater in practice application situation because of its characteristic 电站锅炉空气预热器是广泛应用于火力发电厂的不可缺少的设备，但是由于其自身的工作特性所决定，空气预热器比较容易起火。
Leakage of high pressure ammonia preheater pipe and ellipsoidal head in the joint production of melamine with urea is introduced , hazard and reasons of leakage are analyzed to put forward the methods for prevention of similar accidents 摘要介绍了三聚氰胺尾气联产尿素装置的高压氨预热器列管及封头发生泄漏的情况，分析了泄漏产生的危害及原因，提出了防止类似事故发生的方法。
