coarse aggregate includes pebbles, pebbles, crushed gravel, blast furnace slag, broken bricks, the 2nd aggregate (concrete crushing objects), and also various natural rocks (such as andesite, quartzite) or artificial calcined materials (such because brick blocks, refractory clay clinker) with special features, etc.
fine aggregate refers to this gravel or even crushed stone material in whose stone size is less than 5mm used for planning the concrete. fine aggregate is usually divided into coarse sand, method sand, fine sand as well as finer sand, whose fineness modulus is actually of 3. 7 ~ 3. 1, 3. 0 ~ 2. 3, 2. 2 ~ 1. 6 and also 1. 5 ~ 0. 7. according to production sources and materials, fine aggregate may be divided in to ordinary river sand, mountain sand, sea sand, artificial killed sand (stone chips), and waste sand.
after many years of practice and improvement, the structure of raymond mill is getting perfect by low consumption, low investment, environment friendly, small occupation area, and more efficient than the traditional mill.
as well it’s easier to change a wear aspect and also the common check and maintenance.about aggregate raymond mill,it’s improved on mtm trapezium mill. both grinding mills are usually advanced than common ball mill. you can select these grinding as aggregate grinding equipment.
shanghai zenith mining and construction machinery co., ltd. is a high technology engineering group,aggregate raymond mill is one of our good products.zenith can according to the needs of your dressing and the actual situation of the mine for you to choose the most appropriate and effective machine. our company will create a perfect product line for you.