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Monthly Archives: June 2011
hard rock gold mining is formed when the gold is encased in rock, rather than found as particles in loose sediment. most of the world’s gold was found in hard rock mining. sometimes open-pit mining is used, such as at the ft. knox mine in central alaska. other gold mines use underground mining, where the ore is extracted through tunnels or shafts. south africa has the world’s deepest hard-rock gold mine, which mines gold from as deep as 3900 meters under the ground.
crushed mica powder is important raw materials of cosmetics and aerospace industry. before processing mica powder for cosmetics or aerospace industry, you need firstly pulverize mica stone to be 1250mesh ~ 2500mesh. sbm offers scm series ultrafine mill to grind mica stone. and you can choose open circuit or closed circuit powder grinding system according to your real situation.
cosmetics and aviation materials industry introduction
the application of mica powder varies according to its fineness. for example, the mica powder with fineness between 8mesh and 20mesh is mainly used for building materials which can help make waterproof, fire protection, thermal insulation and decorative. the mica powder of 60mesh~120mesh is often used as blending agent of paint, filler, cover and lubricants of rubber, filler of plastic. and also it’s the basic raw material for mica ceramics.
for anything about sbm stone crusher, grinding machine and mobile crusher plant, please use the information below to contact us. if you have any questions about our products or services, please contact us by the phone or email below. and you can contact us by the online support center which is free and online for 24 hours.
sbm head office
tel: 0086-21-58383058, 58383098
office add: no.416 jianye road, south jinqiao area, pudong new area, rockghai, china.
мобильные: 8-702-3216733, 8-777-3427559
адрес: республика казахстан, г. алматы, ул.панфилова 53
tel: 00234-2872 1909
add: house 3b, buffalo estate, apareh close off bamisile street, allen-avenue, ikeja, lagos, nigeria.
tel: +62 21 5694 6132
mobile: +62 812 8373 8811
mobile: +62 812 8328 2822
add: bukit golf mediterania, rukan ekslusif blok. c no. 29, pantai indah kapuk, jakarta utara 14470, indonesia.
tel: 0091 11 47323929
mobile: 0091 95605 18383
mobile: 0091 95605 08383
(rockghai head staff)
add: h – 415, ground floor,vikas puri, new delhi – 110 018. india.
mobile: 006-017 2998801 006-0102803398
add: 53-3-2, 3rd floor,jalan medan putra 1, medan putra business centre, bandar manjalara, 52200 kuala lumpur. malaysia.
in oil drilling industry, people usually need crushed barite powder which is about less than 325mesh and larger than 200mesh to add into drilling mud. sbm will offer you 3 kinds of powder grinding mills for barite pulverizing. also, we can customize most suitable barite grinding plant for you. you can choose electronic elements of control cabinet, such as abb or simens.
in paint industry, people need crushed or grinded limetsone powder, calcite powder, gypsum powder or barite powders which meet desired fineness to produce various coating products. here sbm will offer you the very grinding equipment to produce suitable powders. also, we usually customize powder grinding plant for our customers. for example, sbm also designs packaging machines to follow the grinding mill for packing process.
crushed limetsone and gypsum are popular cement additives. however, the crushed limetsone and gypsum must be pulverized into 200mesh powder before being used to produce cement additives. sbm offers mtm trapezium grinding mill and mtw european trapezium grinding machine for limetsone grinding and gypsum grinding. aside from single mill units, sbm also offers customized solutions, for instance, you can choose trusted spare parts for the whole grinding plant, such as abb or simens.
in papermaking industry, fine calcite powder and barite powder are increasingly used as filler which are of more advantages than usual materials. the fineness of grinded calcite or barite powder is 1250mesh. considering about the fineness and final capacity, sbm will offer you calcite, barite ultrafine powder production line with both open circuit and closed circuit available.
crushed limetsone powder is important material for flue gas desulfurization or power plant desulfurization. the desired fineness is usually 200mesh. sbm can offer you suitable grinding mills to produce limetsone powder with 200mesh fineness, such as mtm trapezium grinding mill and mtw european trapezium grinding machine. aside from single grinding unit, sbm can also design complete limetsone powder grinding plant with customized solutions.
sbm ball mill is the key grinding machine for grinding after the crushing process, and ball mills are efficient grinding mill for grinding many materials into fine powder. our ball mill can be used for grinding various ore and other grinder-able materials dry or wet.
ball mills’ working principle:
this ball mill, a horizontal type and tubular running, has two warehouses. it runs along the outside gear. materials spirally and evenly enter the first warehouse along the input hollow axis by input devices. in the warehouse, there is a ladder scale board or ripple scale board. steel balls of different specifications are installed in the scale board. (more…)
impact crushers are optimized and widely applied in the primary and secondary crushing process. this rock crusher is applicable for various coarse, medium, fine materials( such as granite, limetsone, concrete, basalt, bluestone etc.), whose grain size not exceeding 500mm and compression strength not higher than 360mpa. sbm impact crusher machine is widely applied in mining and construction, transportation, energy and chemical industry.