- Q:Is dolomite useful in shale?
- Shale was formed in lentic environment, sediment deposition after a long time, so often exist in the lake and river deltas, formed in the continental shelf is shale, shale often contains ancient fossil plants and animals. Sometimes there are animal footprints, even traces of ancient raindrops may be preserved in shale.
- Q:What is dolomite?
- Dolomite crystals belong to three square system carbonate minerals. The chemical composition is CaMg (CO3) 2. Isomorphous, manganese and other isomorphous (instead of magnesium). When the number of iron or manganese exceeds that of magnesium, it is called dolomite or manganese dolomite. Three crystal system, crystal is rhombohedral, crystal surface is often bent into saddle shape, poly double crystal is common. Aggregates are usually grainy. Pure is white; gray when iron; brown after weathering. Glassy luster. It is the main mineral of dolomite. Marine sedimentary dolomite is often interbedded with siderite and limestone. In lacustrine sediments, dolomite and gypsum, anhydrite, halite, sylvite, symbiosis.
- Q:How to determine the amount of dolomite added in converter steelmaking?
- (1) the amount of dolomite to be added (Kg/t) = slag content% (%MgO) *1000/ and dolomite MgO content(2) dolomite time addition = amount to be added - amount of dolomite converted by MgO in lime - lining erosion into MgO converted dolomite
- Q:Why is the coarse aggregate in lime stones mixed with dolomite or calcined
- After calcination, the aggregate is alkaline, and the alkali aggregate reaction is easy to occur, which seriously affects the strength of concrete.The alkali aggregate reaction is called "concrete cancer.""
- Q:What is the production process of dolomite powder? What are the fields in which dolomite is used after grinding machines?
- After screening, beneficiation process of dolomite ore washing complete dolomite ore, and then through the jaw crusher are crushed, crushed dolomite ore through the cone crusher two broken after processing into a povee mechanical mill for grinding operation, after the final classification processing and packaging operations made dolomite powder.
- Q:Why, in the process of calcination of dolomite bonding than magnesite. "
- Which contains the CaMgCO3 dolomite and magnesite, inside the main MgCO3, Ca very low.
- Q:Dolomite MgO content 18-23, what can be used?
- Stone as a basic flux used in blast furnace smelting, is a typical carbonate minerals, its main component is calcium carbonate, magnesium carbonate and a small amount of silica impurities, mainly by simple analysis to the usually three. Analysis of sodium carbonate melt system standard, due to the use of platinum crucible, the analysis of the cost increase, put forward higher requirements for daily management.
- Q:Basic properties of dolomite
- Biogenic dolomite and detrital dolomite: it can be seen that the fossil remains are mostly formed by the replacement of detrital limestone by dolomitization.
- Q:What stage of dolomite is used in steelmaking?
- The purpose is to improve the Magnesium Oxide adding dolomite content in slag, and replaced a part of limestone.
- Q:What is the use of dolomite?
- The molecular formula of dolomite is CaCO3 and MgCO 3. Theoretical components: CaO 30.4%, MgO 21.9%, and CO2 47.7%. Often contain silicon, aluminum, iron, titanium and other impurities.
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