Fine combustion air distribution control system and method for corner tangential boiler

The invention discloses a fine combustion air distribution control system and method for a corner tangential boiler. The system comprises a core controller, three types of collection input loops of the core controller and an opening degree control output loop of a small air door of a secondary air box. Three types of collected sensor signals comprise an on-line coal quality signal output by a coal quality on-line monitoring system, a coal feeding quantity signal from a coal feeder and primary air powder flow and air speed signals output by a primary air powder on-line monitoring device installed on a primary air powder pipeline. Based on the current coal quality on-line and air powder on-line measurement technology, the air distribution combustion control is refined through the system and the method. 本发明公开了一种四角切圆锅炉精细化燃烧配风控制系统及方法，该系统包括核心的控制器及其三类采集输入回路和二次风箱小风门的开度控制输出回路。采集的三类传感器信号，包括煤质在线监测系统输出的在线煤质信号、来自给煤机的给煤量信号、安装在一次风粉管道上的一次风粉在线监测装置输出的一次风粉流量、风速信号。本发明基于当前煤质在线与风粉在线测量技术，实现配风燃烧控制的精细化。