輕燒鎂粉是什么? What is Light Burnt Magnesium Powder?
發布日期:2016-02-29 00:00 來源:http://www.usygg.com 點擊:
本廠自籌建以來,依靠大石橋市豐富的菱鎂資源,以及交通便捷暢達優勢,致力于菱鎂礦的深加工和產業化。我廠主要生產輕燒鎂粉、輕燒鎂球、重燒鎂砂、苦土粉、電熔鎂、冶金砂等耐火材料產品,產品主要用于冶金、化工、飼料、環保、醫藥、肥料、建材等行業。同時兼營各種粉體雷蒙加工,并且可根據客戶的需求調整各種理化指標。
我廠的生產能力強大,技術力量雄厚,檢測手段完善,工人操作技術熟練,產品均已通過ISO9000國際質量體系認證。目前,產品已遠銷歐美、南北美洲及東南亞等20多個國家和地區,并深受廣大客戶好評。
我廠本著“以德經商、信譽至上”的企業宗旨,愿與國內外用戶更好的合作,以優質的產品,Z優的價格來滿足廣大客戶的需要,并熱忱歡迎來我公司洽談、合作。
輕燒鎂粉,簡稱輕燒鎂粉,是一種由菱鎂礦、水鎂石和由海水或鹵水中提取的氫氧化鎂經800~1000℃左右煅燒所獲得活性氧化鎂。輕燒鎂粉為呈淡黃色、淡褐色的粉末,粒度大都在100目以下,方鎂石結晶很小,密度3.07~3.22g/cm3,晶格常數大,晶格缺陷多,質地松脆,呈多孔結構,反應活性很大,易進行固相反應或燒結,與水作用生成Mg(OH)2而硬化,有粘結能力。
輕燒鎂粉是一種具有中等堿度和化學活性的原料,除作為耐火材料和膠凝材料外,還應用于其他工業領域。另外,轉爐濺渣護爐技術的發展,進一步擴展了輕燒氧化鎂粉的應用范圍。目前,濺渣護爐技術多將輕燒氧化鎂粉成球后使用,有輕燒氧化鎂粉球、含碳輕燒氧化鎂分球和含碳含鈣輕燒鎂球等。
Since the establishment of the factory, relying on the rich magnesite resources in Dashiqiao City and the advantages of convenient transportation, it is committed to the deep processing and industrialization of magnesite. Our factory mainly produces refractory products such as light-burned magnesium powder, light-burned magnesium balls, re-burned magnesia, bitter clay powder, fused magnesium, metallurgical sand, etc. The products are mainly used in metallurgy, chemical industry, feed, environmental protection, medicine, fertilizer, Building materials and other industries. At the same time concurrently operating various powder Raymond processing, and can adjust various physical and chemical indicators according to customer needs.
Our factory has strong production capacity, strong technical force, perfect testing methods, skilled workers in operating techniques, and our products have passed ISO9000 international quality system certification. At present, the products have been exported to more than 20 countries and regions in Europe, America, North and South America and Southeast Asia, and have been well received by customers.
Based on the corporate tenet of "doing business with virtue and reputation 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 prices. Cooperation.
Light-burned magnesium powder, referred to as light-burned magnesium powder, is a kind of active magnesium oxide obtained by calcining magnesite, brucite and magnesium hydroxide extracted from seawater or brine to about 800 ~ 1000 ° C. Light-burned magnesium powder is a light yellow and light brown powder with a particle size of less than 100 mesh. The periclase crystals are very small with a density of 3.07 ~ 3.22g / cm3, a large lattice constant, many lattice defects, and a crisp texture. It has a porous structure and is highly reactive. It is easy to undergo solid phase reaction or sintering. It reacts with water to form Mg (OH) 2 and hardens. It has binding ability.
Selecting the calcination method and controlling the light firing temperature are important means to obtain good activity. With the increase of calcination temperature, the specific surface area of MgO decreased significantly. When the temperature is higher than 1000 ° C, the recrystallization speed of MgO increases, the degree of dispersion decreases sharply, and the activity deteriorates. Using different calcination methods and calcining equipment at the same temperature is also an important factor affecting MgO activity. If it is calcined by a boiling furnace or a suspension furnace, it can be quickly and rapidly decomposed to obtain light-burned magnesia powder with maximum activity. By adopting the block method of tunnel kiln and reflection kiln, the calcination time is long, and the surface is often over-burned and the internal burn-in is caused, which will reduce the activity of light-burned magnesium oxide powder. Rotary kiln is used for calcining granular magnesite, the situation lies between the two, and it can also keep the activity of obtaining lightly burned magnesia powder.
Light-burned magnesium powder is a raw material with medium alkalinity and chemical activity. In addition to being used as refractories and gelling materials, it is also used in other industrial fields. In addition, the development of converter slag splashing furnace protection technology has further expanded the scope of application of light-burned magnesia powder. At present, the slag splashing furnace protection technology mostly uses light-burned magnesia powder into balls, including light-burned magnesia powder balls, carbon-containing light-burned magnesia balls, and carbon-containing calcium-containing light-burned magnesium balls.
相關標簽:輕燒鎂粉
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