Working principle of vertical cooler
Date:2022-05-20 15:27:42
Author:admin
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The vertical cooler is a vertical cooling device developed by Henan Zhengzhou Mining Machinery Co., Ltd. on the basis of introducing and absorbing foreign advanced technology for cooling high-temperature clinker. It has the characteristics of high heat exchange efficiency, less wear parts, and no waste gas. It is suitable to use the terrain height difference configuration, and can be used in the calcination system of building materials, chemical industry and other industries. This type of equipment can significantly increase the temperature of the secondary air entering the kiln, which can save energy and reduce consumption. It is an energy-saving and environmentally friendly product.
Its working principle is mainly:
The material calcined by the rotary kiln falls from the kiln head into the shell with the lined castable, and the burned or agglomerated material larger than 100mm is stored in the upper part of the grate, and is regularly discharged by the dumping chute; the material that can pass through the grate falls. The material that can pass through the grate plate falls into the main body of the cooler. During the falling process of the material, the natural air blown into the lower cooler by the centrifugal blower moves upward through the main cold air caps of the upper and lower air chambers and the four sub-chamber air caps to cool the material; The natural air becomes hot air and enters the rotary kiln to assist fuel combustion to achieve the purpose of making full use of the waste heat. After the material remains in the cooler body for a period of time, when the temperature of the material drops to about 60°C higher than the normal temperature, the central control system outputs a signal to start the four electromagnetic vibrating feeders at the bottom of the feeding pipe that communicate with the cooler body, and then unload the cooled material.
The vertical cooler is especially suitable for cooling the bulk material after calcination. It can effectively improve the thermal efficiency of the rotary kiln, reduce the heat consumption by more than 30%, and effectively reduce the fuel cost.
