Introduction About The Main Parts Of Preheater

Introduction about the Main Parts of Preheater

The preheater is one of the hosts of the active lime equipment. The main function of vertical preheater is to send the materials to the upper part of the body, at the same time, using the high temperature exhaust gas (about 1150 degrees Celsius) to evenly preheat the materials to about 900 degrees Celsius. In the preheating process, 30% CaCO3 will be decomposed, and then the high temperature exhaust gas will be pushed to the kiln by the hydraulic plunger. This burning technology not only greatly reduces the burning time of limestone, but also gets a higher degree activity of lime.

The preheater is mainly composed of five parts.

1. The upper feeding system

This part mainly consists of the silo and the feeding tube. The structure and the way of material preparation can ensure that the preheater body is totally closed in the feeding process, so that the cool air can not enter the preheater, which ensures the preheating efficiency of the preheater.

2. The preheater body

It is the key part to preheat the material to 900 degrees Celsius. This part mainly consists of the preheating chamber, the suspension gear, and the firebrick lining (which does not belong to the scope of equipment design and manufacture). Most of the components are made of the metal construction. And usually, it uses the heat resistant steel. This part can ensure the uniform preheating of material and make the material get a certain temperature.

3. The pushing device

This part mainly consists of the clipper, framework and the connecting rod. The clipper is casted or welded by the heat resistant steel, which can suffer the high temperature. With the electronic control and hydraulic system, each hydraulic pushing rod can realize the sequentially pushing according to the automatic control program.

4. The hydraulic system

This part mainly consists of the tank, pump, motor, solenoid valve, and hydraulic tube. The main function of the hydraulic system is to control the pushing device and complete the pushing process.

5. The lower feeding chamber

This part mainly consists of the elephant trunk, feeding room and feeding mouth. The main function of this part is to send the preheated material to the kiln.

Henan Hongxing Mining Machinery Co., Ltd. is one of the most famous crushing equipments manufacturers in China. Except the preheater, the main products of Hongxing Company include jaw crusher, belt conveyor and so on.

Vibrating screen : http://www.hxjqcrusher.com/Circular-vibrating-Screen.html

by: jocelyn

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