Combine magnesian chromic brick to reach furnace of kiln of steely industry high temperature to went up to all get extensive use in cement kiln directly, synthetic magnesian chromium is arenaceous it is the main raw material that makes chromic brick of direct union magnesium. Use agglomeration to synthesize craft, use synthesis magnesian chromium is arenaceous make chromic brick of direct union magnesium, made full use of not only our country's substantial magnesite natural resources, and reduced firing temperature.
The synthetic magnesian chromium that is used at making to combine magnesian chromic brick directly is arenaceous it is to if burn magnesian pink and chromite magnesite, gently to be raw material,use natural magnesian qualitative raw material, by the design the requirement undertakes assorted, fine grind, the gives priority to composition with magnesian chromic pointed spar raw material that press ball, to calcine or gets through electric frit.
When production agglomeration magnesian chromium is arenaceous, the will light pink that burn magnesium and handpick chromium mine ask to deserve to compare by the design, the course is farther mill, after controlling a ball, fall in oxidisability atmosphere via 1700? 1900 ℃ to calcine, make to calcine magnesian chromium is arenaceous. Electric frit magnesian chromium is arenaceous with burning magnesian pink and handpick chromium gently mine is raw material, via cooperating, make after melt. Electric frit magnesian chromium is arenaceous crystal and perfect, organization compact, porosity is low, direct combinative rate is high. Accordingly, magnesian chromic brick has founding recombine to be able to bear or endure wonderfully aggressivity, be used extensively at eroding very slashing circumstance. But, founding recombine is magnesian the heatproof shake function of chromic brick second the direct union magnesium at be being made by magnesia and chromite is chromic brick.
The chromic ore deposit that fireproof stuff place uses belongs to aluminous chromite (MgFe) (CrAl)2O4, contain W(Cr2O3 commonly)
For 30% ? 60% , the oxide of iron (with Fe2O3 plan) content should is less than 14% , the matter content such as SiO2 and CaO wants as far as possible small, in order to reduce Tie Jianjing stone kind with iron aluminous acid of the low frit content such as 4 calcium generate. Content of placer deposit of magnesian chromic pointed spar comprises artificial complex relatively complex, its character change is very big. Differ according to what make way, can divide for: Magnesian chromium of agglomeration law synthesis is arenaceous with magnesium of electric frit law chromium is arenaceous.
Zhengzhou flourish fills factitive Central Plains to be able to bear or endure material character, pay attention to the amplification of oneself dimensions not only, more important is to stand in long-term development point of view from beginning to end, ceaseless development gives new-style fireproof data, satisfy more firm market demand ceaselessly thereby, comply with the development of tendency of the day. Major of flourish Cheng Naicai produces all sorts of tall aluminous bricks, firebrick, argillaceous brick, pouring the product such as makings, welcome broad client to come to a factory make an on-the-spot investigation on the spot, establish long cooperative relationship.
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