Preheater

Description

The preheater uses the exhaust gas at the tail of the rotary kiln to exchange heat with the raw material, making full use of the heat of the tail gas, reducing the unit energy consumption and reducing the exhaust temperature at the same time.

Suspension preheater is installed at the rotary kiln end for dry cement production, so that the raw material entering the kiln can be suspended in the flue gas and exchange heat with the flue gas. The raw material is preheated and decomposed before being calcined in the kiln. This equipment is a new product that has been digested and absorbed on the basis of the introduction of foreign advanced technology, and has low heat consumption per unit product. It has the advantages of low heat consumption per unit product, high output per unit volume of the kiln, strong adaptability to raw materials, high feed decomposition rate, and anti-caking etc.

Vertical preheater for preheating refractory raw materials. It has the characteristics of reasonable structure, high thermal efficiency and high level of automation, but it cannot make full use of scrap (required feed particles 18-50mm) and is not suitable for raw materials with poor thermal stability. The vertical preheater is used in conjunction with the rotary kiln to preheat raw materials with poor thermal stability, such as active lime or dolomite.

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