Rotary Kiln Operation Enters Up on Automatic Phase

Rotary kiln is a large sized thermal machine with the advantages such as high quality of roasting and products so that it plays an important role in many industrial departments such as chemistry, metallurgy and mining. However, this equipment belongs to those kinds of devices that have very high energy consumption in our country. Especially inside the small and medium companies, the automatic level of the production process of the rotary kiln is very low, so that the whole working process of the equipment should be in a high energy consumption station for a very long period of time which will definitely aggravate the tension of the energy resources in our country.

At present, there is still no report on the research of computer online examination of the angle of repose of the materials inside the industrial rotary kiln. Aiming at the characteristics of the complicated image area and low noises of the materials in the kiln, experts of Hongxing Machinery put forward a measurement method of the angle repose of the materials based on the image processing technology.

Some large sized mining companies in our country also did some meaning practice in the automatic control aspect of the rotary kiln, mainly by way of examining the thermo technical signals inside the kiln such as temperature, pressure and flow amount of the slurry, on the basis of which, keep the temperature of the burning area in a allowable range with the method of intelligent control. However, because of the limit of the examining means, when designing such control systems, the experts often forget the important information of the moving state of the materials inside the kiln. As a matter of fact, the moving state of the materials has a decisive effect on the energy transmission process of the kiln.

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The materials inside the industrial rotary kiln such as aluminum oxide rotary kiln...