Rotary kiln automatic control system and method

Abstract

The invention relates to a rotary kiln automatic control system. The rotary kiln automatic control system comprises a fuel supplying device, a rotary kiln, a temperature detection device, a field control station, a temperature regulating module and a central control room operation station. The field control station compares the detected radiation temperature signals, flame temperature signals andflue temperature signals which are generated by the temperature detection device with the preset radiation temperature reference value, the flame temperature reference value and the flue temperature reference value to control the fuel supplying device to regulate the fuel supply and the temperature regulating module to control the air flow and to monitor the host machine of the rotary kiln; and the central control room operation station receives the radiation temperature value, the flame temperature value, the flue temperature value and the technical parameter value which are provided by the field control station, and stores and displays the received values. Thus, the system realizes automatic control of the production process of rotary kiln, ensures the stability of temperature in the rotary kiln, and further ensures the quality stability of forged reduction materials. The invention also provides an automatic control method of the rotary kiln.

Description

Technical field: [0001] The invention relates to the technical field of metal smelting, in particular to a rotary kiln automatic control system and a rotary kiln automatic control method. Background technique: [0002] Magnesium metal was discovered in the early 18th century and has a history of more than 200 years. Due to the excellent mechanical properties and physical and chemical properties of magnesium and magnesium alloys, magnesium is more and more widely used in industry. The current magnesium smelting method in China is mainly the Pidgeon method. Magnesium smelting by Pidgeon method can be divided into four stages: dolomite calcination, raw material preparation, reduction and refining. In the dolomite calcination stage, a rotary kiln is generally used to calcine dolomite ore to obtain reduced raw materials. [0003] However, because the process control of the rotary kiln in the prior art is manually operated, the control of the process parameters during the opera...

AI Technical Summary

Problems solved by technology

[0003] However, due to the manual operation of the process control of the rotary kiln in the prior art, the control of the process parameters during the operation of the rotary kiln is not uniform, resulting in unstable quality of the calcined reduced raw materials

For example, the staff cannot timely monitor the operating parameters of the rotary kiln and adjust the calcination temperature in the rotary kiln, resulting in an unstable calcination temperature in the rotary kiln, which in turn makes the quality of the calcined reduced raw materials unstable

Images