What is the requirement of the control system of a coal-fired steam boiler ?

The coal-fired steam boiler is a forced circulation high-pressure single-tube DC boiler. Its operation process includes three processes: the combustion process of the fuel, the heat transfer process of flue gas to water and the vaporization process after water absorbs heat. In order to better control these different processes, the control system should make the heat of pulverized coal combustion adapt to the requirements of steam load changes and dryness.

In other words, the purpose of the operation of the control system in a coal-fired steam boiler and the organic waste gas treatment is to keep the steam dryness and steam pressure in a certain range and improve the thermal efficiency of the steam boiler. Meanwhile, it is also necessary to adjust the amount of air blast, induced air, coal supply and water supply to maintain an appropriate proportional relationship between them. In addition, the control system should realize the automatic control of the boiler's automatic ignition control and soot blowing process.