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cement making machinery /cement making manufacturer/ cement making production line
1. crushing and prehomogenization
In the course of cement production, most of the raw materials will be crushed, such as limestone, clay, iron ore and coal etc. The limestone is greatest in consumption of all the raw materials when producing the cement, has the bigger size and higher hardness after the exploitation.
Therefore the crushing of the limestone plays an important role in all the materials at the cement plant. It applies the scientific stacking and taking technology, and realizes the initial homogenization of materials, so that the materials stockyard has the function of storage and homogenization simultaneously.
2. Raw Material Preparation
In process of producing the cement, the production of 1 ton Portland cement needs grinding at least 3 tons of materials (including all kinds of raw materials, fuel, clinker, mixture, plaster). According to the statistics, the required power consumption for grinding dry cement accounts for more than 60% that of the whole plant, in which more than 30% for raw material grinding, about 3% for coal grinding, about 40% for cement grinding. Therefore, reasonable choice of grinding equipment and process, the optimization of technological parameters, correct operation, the control of operation system are of great significance of ensuring the quality of products and reducing energy consumption.
3. homogenization
In the production process of new dry cement, the stability of raw material component entering the cellar is premise of stabilizing the clinker sintering thermal system. The homogenization system plays the last line of control function in stabilizing the raw material components entering the cellar.
4. Preheating and decomposition
The preheating and decomposition of raw materials are accomplished by the preheater, instead of rotary kiln, shortening the kiln length, and make the heat exchange process of materials in the state of accumulation in the kiln.
5. sintering of cement clinker
After the raw material completes preheating and precalcining in the cyclone preheater, it begins the sintering of the clinker within the rotary kiln for the next procedure.
In rotary kiln the carbonate is for further quick decomposition and makes a series of solid-phase reaction, generating the cement clinker mineral. With the rising of the materials temperature, these minerals will become into the liquid phase, and make reactions and produce large numbers of the clinkers.
After the clinker sintering, the temperature goes down. finally the high temperature clinker unloaded from the rotary kiln is cooled by the cooling machine to the temperature which can be borne by the downstream conveying, storage and cement mill, recycle the sensible heat of the high temperature clinker at the same time, and improve the heat efficiency of the system and quality of the clinker.
6. Cement grinding
The cement grinding is the last process, and also the most power consumption of the process. Its main function is to grind the cement clinker (gelling agent, performance adjusting material, etc) to the suitable size (indicated by the degree of fineness, specific surface area), form a certain grain composition, increase its hydration area, accelerate the hydration speed, and meet the needs of the cement slurry condensation and hardening.
7. cement packing
The Cement has two kinds of shipping methods of bag and bulk packing on delivery
Henan Zhongke Engineering & Technology Co., Ltd. is specialized in heavy equipment like various crushers, stone jaw crusher machine, magnetic separators, mining machines, bricks and blocks machines, cement production line, AAC block line, etc., which is located in the middle of China. Our competitive price, high quality products and excellent after-sales service had gain us good reputation in this field.
Scenes of Workshop:
International cooperation:
Pre-sale services:
1. Select proper equipment model;
2. Design and manufacture products according to clients' special requirement;
3. Arrange for visiting our factory, assist them to handle relative procedure, such as visa.
Services during the sale:
1. Make sure goods prepared within delivery time;
2. Pre-check and accept products ahead of delivery;
3. Prepare documents required to help customer pass customs clearance.
4. Help clients to make Project evaluation and feasibility analysis and draft solving plans.
After-sale services:
1. Assist clients to prepare for the first construction scheme;
2. Install, debug and examine the equipment;
3. Train technical personnel the first-line operators;
4. Provide technical exchanging
5. Offer spare parts at a best price for long term
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