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Cement Production Processes and Tips for Improving Grinding

Release Date: 2017-06-18 Click times: 120 Edited by: admin

Cement industry is closely related to people's livelihood. After several decades of development, the cement plants almost adopt the same production processes. Among them, the grinding process will directly affect the overall level of cement production, so it is important to constantly improve the process.

songji cement plant gravel aggregate production line

1.Raw Material Crushing & Pre-homogenization   
In the process of cement production, most of the raw materials such as limestone, clay, iron ore and coal shall be first crushed. During the process of storage and transportation, the raw materials can be homogenized with scientific storage and stacking technology. 

2.Raw Material Preparation
After crushing a variety of raw materials, fuel, clinker, mixture and gypsum, we shall select reasonable grinding equipment and process. 

3.Raw Material Homogenization
Uniform feed of the raw materials is premise for stable firing of the clinker. Raw material homogenization system plays an important role in stabilizing the component of the raw materials.  

Preheat Decomposition
It is recommended to adopt the preheater to complete raw material preheating and partial decomposition so as to replace partial function of the rotary kiln. In this way, the length of kiln can be shortened and the gas heat can be transferred under the stacked state.

Burning of Cement Clinker
In the rotary kiln, the carbonate is rapidly decomposed and a series of solid-phase reactions take place, then the minerals is produced for cement clinker preparation. As the material temperature rises, the minerals become liquid. Then the C2 S dissolved in the liquid phase reacts to CaO, producing a large amount of clinkers. 

Cement grinding
Its main function is to grind cement clinker (gelling agent, performance adjustment materials, etc.) to the appropriate size (in terms of fineness, specific surface area, etc.) for the formation of certain particle gradation.

Improvement of Grinding and Crushing Technology

1. Grinding Process
The grinding process shall be designed according to the customer requirements for the cement strength and particle distribution; besides, the cement grinding process shall be more intelligent and controllable. 

2. Crushing Process
Since limestone takes a large proportion among various raw materials for cement production, it is important to select suitable limestone crusher so as to ensure the quality of finished cement products. Zhongyu Dingli is a professional manufacturer of stone crusher machine especially for the crushing production line of the cement plant. If you have any interest, welcome to contact us through online service staff or email to dingli@dinglicrusher.com.


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