Vertical preheater is consist of upper feeding system, suspended ceiling device, main body, pusher system, hydraulic system and so on. Concrete structure such as below drawing. The characteristics of each sub-system is:

1. Upper feeding system
It main include upper hopper, discharge chute, hopper legs and so on, its main role is to ensure complete sealing when feeding materials into main body of preheater, and avoid cool air enter into preheater.

2. Suspended ceiling device
Its main role is bearing the weight of hanger bricks.

3. Main body of preheater
The main body of preheater is consist of preheating room, hanger device and so on, it’s the key part of ensuring materials preheated more than 800℃。

4. Pusher system
Include push head, liner support frame and so on, to ensure push materials steady, reliable and accurate.

5. Hydraulic system
Include oil box, oil pump, motor, electro magnetic valve, hydraulic oil tube and so on, it’s main used to control pusher device, complete push action.

6. Bottom feed hopper
Include feed hopper and so on, its main used to import preheated materials into rotary kiln by transfer chute for calcination.

7. Recycle system
Include dust collection silo, recycle slide pipe and so on.