A process for the production of cement comprises the preparation of raw mixture, burning and grinding of clinker together with gypsum rock, mineral additives and grinding aid - molasses distillery stillage. The process is characterized by that as grinding aid 5-10 % aqueous solution of molasses ...
水泥生产工艺流程(Cementproductionprocess)CementproductionprocessAuthor:sitedatacollationunit:[2007-9-19]Keywords:cementproductionAbstract:Thosewhoknowalittleaboutcementproductionsaythattheproductionofcementwillbereferredtoas"twogrindingandoneburning".Theyarerawmaterialpreparation,clinkerburningandcementgrinding.Someofthe...
It is clear that there are five stages in the production of cement, beginning with the input of raw materials and ending with bags of the finished product. To produce concrete, four different materials are mixed together. At the first stage in the production of cement, limestone and clay are...
A further development for in the production of cement clinker calls for de-acidifying the raw material as far as possible in a separate unit, which is connected between the suspension-type heat exchanger and the rotary kiln and may consist of a heated pneumatic conveyor for feeding the raw mat...
PROBLEM TO BE SOLVED: To provide a production process of a cement hardener in which the shapes of the constituent primary particles of each of aluminum hydroxide secondary particles are highly controlled.;SOLUTION: This production process comprises grinding a powdery mixture of aluminum hydroxide and ...
In a method for producing a cement for medical use, a liquid component containing a polymerizable substance is combined with a solid component comprising a plastic substance to provide a setting mass to form the cement. In order to e.g. improve the biological and mechanical properties of the ...
A cement and process of producing the cement is disclosed wherein the cement comprises at least two clinkers, one being a Portland cement clinker of conventional composition and at least one other clinker of low-calcium content or marl clinker. This marl clinker is heated between 450 DEG C an...
A cement and process of producing the cement is disclosed wherein the cement comprises at least two clinkers, one being a Portland cement clinker of conventional composition and at least one other clinker of low- calcium content or marl clinker. This marl clinker is heated between 450. degree...
PROBLEM TO BE SOLVED: To obtain a dispersing agent for a cement capable of imparting a high fluidity with a suppressed slump loss to a cement composition and further a high early strength thereto by compounding two specific kinds of water-soluble vinyl copolymers in a specified proportion. ;SOLU...
FIELD: manufacture of building materials, namely production of cement. SUBSTANCE: at making cement raw material is subjected to preliminary heating and then it is subjected at least to partial roasting in roasting chamber. In upper central portion of said chamber burner is mounted. Raw material is...