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Release date: 2017-02-15 15:04:16
Since the reform opening up, the rapid development of the domestic economy to promote the rapid development of socialist construction, which in the process of urbanization, construction products consumption is getting huge, cement is one of them. Cement cannot be produced without crushing machinery while at the same time to get different degrees of progress and development. In the economic restructuring, crushing machinery take pivotal position in the comprehensive utilization of mining resources, production line with reasonable crushing machinery to realize full use of various stages of crushing, to achieve zero emissions of pollution will be the future development trend.
The first step in cement manufacturing process is crushing.
Rely on external forces to overcome the internal cohesion between the solid material molecules, so that solid material damage split. Change from large pieces into small pieces; coarse particles become fine powder process known as crushing. The industry used to block the process of small pieces called broken; coarse particles change into fine powder process called grinding;
After the solid material been crushed, the internal crystal structure changes, the surface energy increases, the unit area of the variable area (specific surface area) also increased which can improve the rate of physical and chemical reactions, easy to mix evenly, improve the homogenization effect, to create favorable conditions for dry, storage and delivery.
Take cement production for example, the main raw material limestone mining from the mine, small blocks are 300 ~ 500mm, large ones are 1000 ~ 2000mm. Those blocks must be broken through crushing machinery. 1ton of cement production need crushing materials about 3~4tons, electricity consumption of crushing process occupied 60% to 70% of the whole plant power consumption. So choose reasonable crushing machinery, simplify the whole plant smashing process, improve the traditional crushing operations, and improve the level of operation of the crushing operation, have great significance on the production of cement to achieve high yield, high quality and low consumption.
Application examples of crushing machinery in cement enterprises
Guilin Hong Cheng Jaw crusher and HLM vertical grinding machine is professional for cement manufacturing process.