Boiler computer control is a new technology developed in recent years, which is the product of the close combination of microcomputer software, hardware, automatic control and boiler energy saving. As a boiler control device, its main task is to ensure the safe, stable and economical operation of the boiler and reduce the labor intensity of workers. Using microcomputer control, the boiler can be automatically detected and controlled. Due to the backward production and operation level of industrial boilers in China, a lot of heat energy is lost. Practice has proved that the microcomputer control of industrial boilers is a pioneering work for boiler safety production, improving thermal efficiency and saving energy, and also opens up a broad prospect for boiler production.

This design adopts three-impulse water level control system, with boiler water level as the main control signal, steam flow as the feedforward signal and feed water flow as the feedback signal of the controller. Through the control of single chip microcomputer, the boiler water level is maintained in the normal range, and when the water level exceeds the upper or lower limit, it can give an alarm in time and take corresponding measures.

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