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Jan 27 2010· Cement the common binding material which has been used for several days on wards There are many types of cements but portland cement is used commonly The manufacture of Portland cement can be done by two methods Process Process In this
Cement is manufactured through a closely controlled chemical combination of calcium silicon aluminum iron and other ingredients Common materials used to manufacture cement include limestone shells and chalk or marl combined with shale clay slate blast furnace slag silica sand and iron ore
Cement manufacturing process what is cement made of it can be discussed conveniently under two headings Selection of Raw materials and manufacturing methods Raw Materials of Cement Most important raw materials what is cement made of required in the manufacture of Portland Cement are Limestone Clay Gypsum Fuel and Water in wet method
The cement manufacturing is done by majorly by two methods known as wet process and dry process depending on their mixing is done with water or without water The wet process of cement manufacturing too popular for several decades because of the possibility of
Cement blocks are probably the most important building material in urban Kenya They are made by mixing cement sand and small stones together and forming the mixture into blocks of varying size
manufacturing of cement In cement Manufacture of cement are known as the wet dry and semidry processes and are so termed when the raw materials are ground wet and fed to the kiln as a slurry ground dry and fed as a dry powder or ground dry and then moistened to form nodules that are fed to the Read More
and are therefore called hydraulic cement The name Portland cement given originally due to the resemblance of the color and quality of the hardened cement to Portland stone Portland – island in England Manufacture of Portland cement Raw materials • Calcareous material – such as limestone or chalk as a source of lime CaO
Jul 31 2016· Manufacturing of portland cement Wet process • Wet process In this process the raw materials are changed to powdered form in the presence of water In this process raw materials are pulverized by using a Ball mill which is a rotary steel cylinder with hardened steel balls When the mill rotates steel balls pulverize
Methods of Manufacturing Process of Cement 1 Dry Process of Manufacture of Cement 2 Wet Process of Manufacturing of Cement
Cement Manufacturers in your city The wet process of cement manufacturing involves adding water to finely crushed raw material such as limestone clay or iron ore in a proportion of 35 to 50 percent water to 50 to 65 percent raw material to make a slurry that is fed into a cement kiln whereas no water is added in the dry process
manufacturing of cement In cement Manufacture of cement manufacture are known as the wet dry and semidry processes and are so termed when the raw materials are ground wet and fed to the kiln as a slurry ground dry and fed as a dry powder or ground dry and then moistened to form nodules that are fed to Read More
In dry and semi dry processes for manufacturing of cement the raw materials are crushed and fed in the correct proportions into a grinding mill The raw materials are dried and reduced in size to a fine powder in to grinding mill The dry powder is called the raw meal The raw meal is pumped into a blending silo
Aug 30 2012· Cement Manufacturing Process Phase 1 Raw Material Extraction Cement uses raw materials that cover calcium silicon iron and aluminum Such raw materials are limestone clay and sand Limestone is for calcium It is combined with much smaller proportions of sand and clay Sand clay fulfill the need of silicon iron and aluminum
Aug 15 2017· Manufacture Process of Cement The manufacture procedures of Portland cement is described below Mixing of raw material Burning Grinding Storage and packaging 1 Mixing of raw material The major raw materials used in the manufacture of cement
Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement in which calcium carbonate reacts with silicabearing minerals to form a mixture of calcium silicates Over a billion tonnes of cement are made per year and cement kilns are the heart of this production process their capacity usually defines the capacity of the cement plant As the main
Comparison between wet and dry process Wet process Dry process 1 Moisture content of the slurry is 3550 1 Moisture content of the pellets is 12 2 Size of the kiln needed to manufacture the cement is bigger 2 Size of the kiln needed to manufacture the cement is smaller 3 The amount of heat required is higher so the required fuel
Manufacturing Portland Cement The basic ingredients of both the dry and wet processes are the same By mass lime and silica make up approximately 85 of portland cement The materials that are commonly used are limestone shells chalk shale clay slate silica sand and iron ore Since limestone is the main component
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