Mo Laishi

One, Molaishi's introduction:
Mo Laishi (Mullite) it is Al2O3 -SiO2 n duality the binary compound that fastens middling to press next stability to exist, chemical type is 3Al2O3-2SiO2, academic composition is: Al2O3 71.8% , siO2 28.2% . Natural Molaishi is more exiguous, the Molaishi that uses normally is to pass artificial compound, have agglomeration Mo Laishi and electric frit Mo Laishi.
2, early production time of Molaishi:
The time of production methods of Mo Laishi of early artificial synthesis: Electric frit Mo Laishi is 1926, produce through artificial complex method first. Was produced 1928 and agglomeration Mo Laishi is made.
3, Molaishi's characteristic and function:
Synthesizing Molaishi is a kind of high quality fireproof raw material, it is had expand stability of even, thermal shock creep of tall, high temperature is worth softening point of wonderful, loading small, hardness is big, it is good to fight chemistry to corrode function wait for a characteristic.
4, Molaishi's solid solution:
Be opposite with X ray natural with artificial synthesis Molaishi undertakes study, discovery has axis of afterbirth of 3 kinds of brilliant to exist than different Molaishi, namely α- Mo Laishi, - Molaishi and Molaishi 3 kinds.
5, the sort that synthesizes Molaishi:
The sort that synthesizes Molaishi has a lot of. Have agglomeration Mo Laishi and electric frit Mo Laishi by complex method; The chemical composition that presses raw material has low aluminium Molaishi, medium aluminous Molaishi, tall aluminous Molaishi and zirconium Molaishi; If press place,be some raw material sort have to calcine kaolin (low aluminium) , to calcine cyanite (in aluminous) , round-the-clock fuel Mo Laishi (tall aluminium) , high pure Molaishi.

6, the manufacturing technology of agglomeration Mo Laishi and method: (picture or photograph)
Agglomeration Mo Laishi uses high quality natural aluminous alumina to be raw material, via handpick working procedure and multistage leveling, become via agglomeration of rotary kiln of high temperature of 1750 ℃ above.
7, the function characteristic of agglomeration Mo Laishi and application:
Agglomeration Mo Laishi has content density of tall, bulk is big, xiaohe of value of creep of good, high temperature fights thermal shock dynamic stability chemistry is caustic good wait for function characteristic, quality is stable, in the meantime, agglomeration Mo Laishi is to produce all sorts of finalizing the design advanced and as fireproof as inconstancy material, wholesome clean provides base substrate, nicety to cast the good raw material that waits for a product.
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