Structure and function of rotary kiln

Mesibi Machine Building

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Structure and function of rotary kiln
What is a rotary kiln?

Rotary oven is a type of industrial equipment that is used for cooking or heating materials. These furnaces have a cylindrical body inside which materials such as minerals, cement, tiles, ceramics and food are placed. The main feature of these furnaces is the possibility of rotating their bodies, which causes the materials inside the furnace to be heated or cooked uniformly. In the operation of these furnaces, the materials entered into the cylindrical body of the furnace and along with its rotational movement are affected by heat. This heat is usually provided by a combustion system (such as gas or electric fuel). As a result, the materials inside the furnace are heated and cooked by direct contact with the hot walls and each other. Rotary furnaces are used in various industries such as mining, steel, cement, tile and ceramic industries, food industries, etc. >

Structure and function of rotary kiln

Rotary oven is an industrial equipment that is used for cooking, drying, or processing different materials.

Rotary kiln structure

- Furnace body: The body of the rotary furnace is made of steel or concrete with special planning to withstand high temperatures and optimal strength. - Rotating cylinder: the main part of the furnace that moves the processed materials inside. This cylinder has a rotational rotation. - Support system: This system includes rollers, wheels, and other parts. which helps the correct and stable rotation of the rotating cylinder. - Heating system: To create the temperatures required for the process, the rotary kiln has a heating system. which can use different types such as direct combustion, steam, or oil. - Ventilation system: To manage the temperature and air inside the furnace, there is a ventilation and re-ventilation system.

Rotary kiln performance

- Material loading: The materials to be processed enter the furnace through a valve. - Rotation of the rotating cylinder: after loading, the rotating cylinder starts to rotate and the materials are moved inside it. - Heat application: the heating system is activated and the desired temperature is created for the desired process. - Materials processing: Materials are transferred inside the furnace to the temperatures required for baking, drying, or the desired processing, and their processing process begins. - Product discharge: after the process is finished, the final product is removed through special valves of the rotating cylinder.

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Types of rotary kilns

Rotary furnaces are designed in different shapes and types, each of which can be used for their own needs and processes. Some types of rotary kilns are: Ceramic rotary kiln: It is used for firing ceramics and processing minerals. It has a temperature-resistant body and a suitable heating system to create optimal cooking conditions. Industrial rotary kiln: It is used to process materials such as steel, iron, food and other industrial materials. This type of oven has the ability to adjust the temperature and rotation speed to perform different processes. Garbage rotary kiln: It is used for disposal and management of municipal and industrial waste. Using high temperature and chemical processes, waste is converted into materials that can be recycled or decomposed. Food rotary oven: It is used to cook and dry food such as flour, corn, peas, and other products. It has proper temperature control and rotation speed to maintain food quality. Other rotary kilns: Depending on the specific needs of industries, other types of rotary kilns are designed such as rotary kilns for drying wood, baking some chemicals, and processing semiconductor materials. Each of these types of rotary kilns has a unique structure and function to carry out specific processes, and depending on the type of materials and the required process, they are suitable for different applications.

Rotary kiln applications

Rotary furnaces are used in various industries due to their unique features: Cement industry: One of the main applications of rotary kilns is in the cement industry. These furnaces are used to bake clinker and produce cement. Ceramic and tile industry: In this industry, rotary kilns are used to bake ceramic tiles. These furnaces provide the possibility of cooking materials with precise temperature and time. Steel industry: Rotary kilns are used in processes such as baking silicate sands and crushing clinker in steel production. Mineral Industries: In sectors such as mineral processing, rotary kilns are used for baking minerals, crushing minerals and extracting minerals from minerals. Food industry: In the production of products such as flour, grains, and baked food products, rotary kilns are used. Chemical factories industry: These furnaces are used for cooking and processing chemicals. Recycling and material recovery industry: Rotary furnaces are used in the recycling and recovery processes of materials such as plastic and pressed plastics. Wood and paper industries: In the production of wood and paper products, these ovens are used for drying and baking materials. Various other industries: Rotary furnaces are also used in various industries such as oil industry, petrochemical industry, electronic industry, etc.

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