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Yingkou Xinhua Feng Magnesium Products Co., Ltd.

Telephone:13941724528

Contact person: Jin Feng

Telephone:13941732978

Contact person: Jinbing

Address: Guantun Town, Dashiqiao City, Yingkou City, Liaoning Province

Website:en.sytz888.com


What is light burnt magnesium powder?

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What is light burnt magnesium powder?

Date of release:2018-10-19 Author: Click:

Our factory mainly produces light burnt magnesia powder, light burnt magnesia ball, heavy burnt magnesia, bitter earth powder, fused magnesia, metallurgical sand and other refractory products, products are mainly used in metallurgy, chemical industry, feed, environmental protection, medicine, fertilizer, building materials and other industries. At the same time, Raymond processing of various powders can be operated concurrently, and various physical and chemical indicators can be adjusted according to the needs of customers

Our factory has strong production capacity, strong technical force, perfect testing means, skilled workers, products have passed the ISO9000 international quality system certification。 At present, the products have been exported to more than 20 countries and regions, such as Europe, America, North and South America and Southeast Asia, and are well received by customers。

五分时时彩In line with the enterprise tenet of "business with morality and credit first", our factory is willing to cooperate better with customers at home and abroad, to meet the needs of our customers with high quality products and the best price, and warmly welcome to our company for negotiation and cooperation。

Light-burned magnesia powder, short for light-burned magnesia powder, is a kind of active magnesia obtained by calcining magnesite, brucite and magnesium hydroxide extracted from seawater or brine at about 800-1000 C. Light burnt magnesia powder is a light yellow and light brown powder. Its particle size is mostly below 100 mesh. Its crystal density is 3.07-3.22g/cm3. It has large lattice constant, many lattice defects, brittle texture, porous structure and high reactivity. It is easy to react with water to form Mg(OH)2, which hardens and has bonding ability.

Selection of calcination method and control of light-burning temperature are important means to obtain good activity。 With the increase of calcination temperature, the specific surface area of MgO decreases significantly。 The recrystallization rate of MgO increases, the dispersion decreases sharply and the activity decreases when the temperature is higher than 1000 C。 Different calcination methods and equipment at the same temperature are also important factors affecting MgO activity。 If calcined in fluidized bed furnace and suspension furnace, it can decompose rapidly in an instant, and the lightly burned magnesia powder with the greatest activity can be obtained。 Using tunnel kiln and reflective kiln as large blocks, the calcination time is long, and the surface is often overburned while the interior is burned, which will reduce the activity of light-burned magnesia powder。 When calcining granular magnesite in rotary kiln, the situation is between the two, and the activity of light-burned magnesia powder can also be maintained。

五分时时彩Light burnt magnesia powder is a kind of raw material with medium basicity and chemical activity. It is used in other industrial fields besides refractory and cementitious materials. In addition, the development of converter slag splashing technology has further expanded the application scope of light burning magnesia powder. At present, the slag splashing technology mostly uses light-burned magnesia powder as pellets, such as light-burned magnesia powder pellets, carbon-containing light-burned magnesia pellets and carbon-containing calcium-containing light-burned magnesia pellets.

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