Introduction of Automation Control System of Lime Rotary Kiln
Lime rotary kiln is a key device used in industrial production and burning process of active lime. Compared with traditional vertical kilns and intermittent kilns, lime rotary kiln has the advantages of energy saving and emission reduction. In order to effectively control the temperature and other parameters in the rotary kiln and improve the stability of the whole production line, the automatic control system of lime rotary kiln is used to achieve accurate control, so that the quality of lime products can be effectively upgraded.
The automation control system of lime rotary kiln is mainly composed of DCS system and PLC system. Through the DCS system, all operating parameters of the production line, such as temperature, pressure, speed and composition, can be monitored and controlled in real time. At the same time, the PLC system is used to control the mechanical automation operation of the production line, including the motor, frequency converter and pertinent auxiliary equipment.
The automation control system of lime rotary kiln is designed according to process requirements and PLC can be connected with mainstream systems of DCS, such as Siemens S7, Delta DVP and Mitsubishi series. It can monitor various parameters in the process, collect detailed data process and detect various problems. It is also equipped with analog and digital outputs and inputs to enable the process operation to be monitored and easily operated. In the event of operating anomalies and possible malfunctions, the system will notify the personnel in charge promptly through the alarm output.
The DCS system for lime rotary kiln consists of distributed control system hardware, loop control system hardware and redundant data communication backplane hardware. The loop control system mainly consists of three parts: the detection and control of temperature, pressure and flow. Through this system, a series of common control strategies, such as PID, reset, feed forward and error detection, can be realized. Also, it can realize computer terminal remote control, data acquisition and analysis, modern data processing, data preparation, data printing and other functions.
The PLC system of lime rotary kiln aims to achieve automatic operation, automatic control and intelligent display. In order to monitor and control the parameters of the whole production line, the system is equipped with a series of sensors and a Liquid Crystal Display (LCD) The sensors continuously collect the operation parameters of the whole line and the signal is converted into digital signal by the converter, which is then sent to the PLC for signal processing Status operation is displayed on the LCD according to the signal processed by the PLC. Based on the real-time display information, the operator can directly operate the equipment in the local control cabinet to manually adjust the production process.
The automation control system of lime rotary kiln adopts a variety of control methods and methods, from automated device control and system control to intelligent control of production process, which makes the production process more simulated and intuitive, improves the control precision and provides accurate operation parameters for the whole production line. The system has the advantages of stable and reliable operation, wide scope of application, simple and convenient maintenance, greatly reducing the labor intensity and greatly increasing the production efficiency.
All in all, the automation control system of lime rotary kiln is an important part in the production process of lime, providing the production demand of operating parameters and making the whole production process stable and controllable. It is of great significance to provide technical support and guarantee for the smooth production and development of the enterprise.
