Abstract: Bran shell furnace is mainly used in drying system of rice factory. It provides stable heat source for the drying system. This paper has introduced the overall frame,module and workflow of the control system of bran shell furnace. The upper computer software is designed based on the VS2008 development environment. The lower computer is based on the MD88 module for control and state monitoring,and the thermocouple and temperature sensor are used for real-time detection of the furnace temperature and water temperature. Control methods include manual control and automatic control. Automatic control can achieve unattended. This system is stable and reliable.

Key words: bran shell furnace, upper computer, automatic control, unattended