limestone

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We can supplyyou any colors of granite, marble, travertine, limestone, and quartz.

Popular marble colors: China Carrara, Pure White, Absolute White,Overlord Flower, Cyan Cream, Yunnan Beige, Pinghua Cream, Bonan Stone, Voladas,Bianca Carrara, Marmara White, Crema Marfil, Royal Botticino, Botticino,Chang'e Beige, Flash Playinum, New Marfil, Peach Honey Onyx, Classic Cream,Wood Vein, Coffee Brown, Hang Grey, Rosso Levanto, Classic Brown, NeroMarquina, Red Cream, Perlato Svevo, Sunny Yellow, Oream, Tiger Beige, GalalaBeige, Moca Cream, Martini Flower, Butterfly Beuge, Habak Geige, China Marfil,Apollo, Shell Beige, Rosalia, Rosa Norwegian, Gold Beige, Emperador Light, DarkEmperador and etc.

Popular granite colors: G603, G654, G681, G682, G636, G633, G635, G640,G623, G664, G687, G617, G439, G684, Tiger skin white, Tiger skin red, Tigerskin red, Spray white, Leopard skin, Huidong Red, Tianshan red, Guilin red,Maple leaf red, Red porphyry, China butterfly green, Absolute black, Kashmir white,Sesame gold, Imperial Gold, Mardura gold, Diamond gold, New veneziano, Gialloveneziano, Giallo ornamental, Santa cecilia, Giallo fiorito, Tropical brown,Baltic brown, Carmen red, Imperial red, Multicolor red, Sapphire gold, Tanbrown, Café imperial, Blue pearl, Butterfly green, Emerald pearl, Verdeubatuba, Santa Cecilia light, Black galaxy and etc.

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packing detail: carton box or as your demand

delivery detail: about 30 days or as the client requirments.

The series of products using innovative production technology, using such as raw materials jade pure, using computer more pipelines from tile colour cloth, texture, light feeling, all aspects designs create perfect create beautiful and elegent noble generous adornment effect.We have many different color and different design in this series, this tile is good sell in the supermarket, shopping mall

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1. CNBM is a state-owned group company. So we have good reputation and credibility.

2. We own many qurries in china,brazil,iran,india to ensure our supply of different types of granite,marble,limestone,sandstone,etc.

3. We are a professional manufacturer so we can provide you various tiles with high quality and best price.

4. We have more than 5 years exports experience.So we can make your order more smooth.

5. All of our goods will pass THREE QUALITY INSPECTIONS before shippment.

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Q: General process flow of calcium carbonate from limestoneIt is best to use words to explain: Industrial calcium by high vacuum distillation process to obtain high purity calcium. The general control of distillation temperature of 780-820, 1 * 10-4. vacuum distillation on Purification of calcium chloride in less effective, can add nitride at lower than the distillation temperature, and to form salt. By adding nitride and vacuum distillation purification, the total impurity elements of calcium in chlorine, manganese, copper, iron, silicon, aluminum and nickel can be reduced to 1000-100ppm, high purity calcium that was 99.9%-99.99%.

Q: How long does it take for limestone to be decomposed in rotary kiln: The main equipment of lime kiln, gas kiln main auxiliary equipment it is because of its fuel gas burner, the burner is through the combustible gas and the required oxygen (air) are mixed according to the proportion in the burner into the furnace combustion, and air volume of different gas required is different, different type of furnace and different heating methods, it needs the flame types are not the same. Such as premixed, semi mixed type, external mixing type and oxidation and neutral flame, reducing flame and so on. So the burner gas kiln to a certain extent determines the effect of calcined lime kiln. Of course, other ancillary equipment is also very important, such as cap see, similarity is very simple, but to ensure that the distribution of it for the amount of wind in the whole kiln kiln section have a good effect.

Q: Limestone grinding, limestone preparation system with what machine is better, where the manufacturer is better?: The limestone powder mill, limestone preparation system, lime ash grinding equipment is a special generalized Hunan science and technology company, our company in 2007 with a set of operation up to now, the vulnerability of the middle for two roller and liners, basically no other fault, but also good.

Q: Wet grinding machine using limestone particle size is not the smaller the better?: The size of limestone used in wet mill is smaller, the better. The smaller the particle size, the higher the efficiency of the wet mill.The main component of limestone is calcium carbonate. Lime and limestone are widely used in building materials and industrial raw materials. The limestone is directly processed into stone and fired into quicklime. Quicklime absorption of moisture or water to become ripe lime, the main component is calcium hydroxide, lime prepared by the deployment of lime slurry, lime paste, used as coating materials and tile adhesives. Limestone reacts with all strong acids to produce calcium salts and carbon dioxide. The rate of reaction depends on the impurities in the limestone and the size of their crystals. The higher the impurity content, the larger the crystal, the smaller the reaction speed.

Q: What materials can be made of limestone: Soda ash is made from limestone, salt, ammonia and other raw materials through a series of reactions. Caustic soda production by lime and soda ash reaction. Bleaching was made by the reaction of pure lime and chlorine. Made of calcium chloride, calcium nitrate, calcium sulfate and calcium salt by important chemical processing of limestone. Lime water can remove the temporary rigid, used as a water softener. Made of pure calcium carbonate powder, which is used as filler for rubber, plastic, paper, toothpaste, cosmetics and so on. Soda lime made of lime and caustic soda, used as an absorbent for carbon dioxide. Quicklime as a desiccant and disinfectant. In agriculture, with quick lime sulfur mixture, such as pesticide bordeaux. The application of slaked lime in the soil can neutralize the acidity of the soil, improve the structure of the soil, and supply the calcium needed for the plant. Use lime to brush the trunk to protect trees.

Q: Effect of limestone dust on human health: Some of the effects, limestone manufacturers need to do a good job of dust removal, dust removal system.Our factory specializes in producing all kinds of limestone crushing equipment, milling equipment, with dust removal system.

Q: What kind of limestone can burn lime: The main component of limestone is calcium carbonate, which is decomposed into calcium oxide and carbon dioxide at a higher temperature.Chemical resistance (L)In addition to acid, many corrosive substances can not be eroded or only slowly eroded limestone.2) acid fast propertiesLimestone reacts with all strong acids to produce calcium salts and carbon dioxide. The rate of reaction depends on the impurities in the limestone and the size of their crystals. The higher the impurity content, the larger the crystal, the smaller the reaction speed. Dolomite is slower than limestone. Dolomite, limestone judgment method: with 10% hydrochloric acid drops on dolomite with a small amount of bubbles produced, drop in the limestone on the violent produce tasteless bubble, the gas can make clear lime water becomes muddy.3) resistance to various gasesChlorine and hydrogen chloride in the dry state and at room temperature and CaCO3, the reaction is very slow, until 600 C began to accelerate, generate CaCl2; sulfur dioxide at room temperature, either gaseous or liquid has no significant effect on CaCO3; nitrogen dioxide (NO2) at 15 DEG C and CaCO3 reaction to generate Ca (NO3 2, NO and CO2).Application:Calcium carbonate is an important building material. Pure white calcium carbonate rock is called white marble, can be directly used for decorative stone or crafts; calcium carbonate due to impurities and has a beautiful pattern known as marble, used for external walls and the inner wall of the building veneer or laying on the ground; texture of dense calcium carbonate rock (limestone) can also be used directly for housing, but the main the use of the production of limestone cement. The white stone with CaCO3 above 90% is crushed, graded and separated by Raymond mill or other high pressure grinding.

Q: How many tons of limestone does each produce ten thousand tons of cement?: Special cement in the material phase and the production process is somewhat different, such as high alumina cement (aluminate cement) material is bauxite, limestone calcined to get the clinker, and then ground into a cement aluminate

Q: When is it appropriate to add limestone in converter steelmaking?: Open the money to join the 1/3 to 1/2 the amount of lime, and then blow 4 minutes or so to join 1/3 or so, at this time can be added to the part of limestone, according to the small amount of furnace temperature in the middle and late to join. It is best to join with lime to reduce the amount of dolomite.