Rotatsioonpuuri

Rotatsioonpuuri, also known as a rotating cage or rotary kiln, is a piece of industrial equipment used to carry out a wide range of physical and chemical processes. It consists of a long, cylindrical shell that is inclined at a slight angle. The shell rotates slowly on its axis, causing the material inside to tumble and mix as it moves from the higher end to the lower end.

The primary function of a rotatsioonpuur is to provide controlled heating or cooling of materials. Heat is typically applied to the exterior of the shell or introduced through a burner at one end. As the material moves through the kiln, it is exposed to the heat for a specific period, allowing for processes such as calcination, drying, roasting, or smelting. The rotation ensures uniform exposure to the heat source and promotes efficient mass transfer.

Rotatsioonpuurid are widely used in various industries. In cement production, they are crucial for clinkering limestone and clay. They are also employed in the metallurgical industry for ore roasting and reduction, in the chemical industry for producing catalysts and other compounds, and in waste management for incineration and resource recovery. The design and operating parameters of a rotatsioonpuur are tailored to the specific material being processed and the desired outcome. Factors like rotation speed, inclination angle, temperature profile, and residence time are carefully controlled to optimize the process.