Method for synthesizing alumina-based lightweight high-strength mullite by fractional step method

The invention belongs to the technical field of refractory materials, and relates to a method for synthesizing alumina-based lightweight high-strength mullite by a fractional step method. Comprising the following steps: 1, homogenizing blocky bauxite, crushing, screening, melting the bauxite with th...

Full description

Saved in:
Bibliographic Details
Main Authors ZHOU XIAOWEI, LUO HUAMING, WANG YALI, AN JIANCHENG, MA SHULONG, GUO JIANWEI, LIAN WEIKANG, WU YINGLONG, LI YANJING
Format Patent
LanguageChinese
English
Published 26.03.2024
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
Online AccessGet full text

Cover

More Information
Summary:The invention belongs to the technical field of refractory materials, and relates to a method for synthesizing alumina-based lightweight high-strength mullite by a fractional step method. Comprising the following steps: 1, homogenizing blocky bauxite, crushing, screening, melting the bauxite with the particle size of more than 8mm at the temperature of more than 2000 DEG C, and then applying airflow to atomize the molten liquid when the molten liquid flows out; and rapidly cooling the material in the falling process to obtain the sphere-like amorphous hollow intermediate. And 2, according to 10-25% of fine powder obtained by grinding bauxite with the mass percentage smaller than 8 mm and the balance of an intermediate ingredient, 5-8% of a binding agent is added, wheel milling is conducted for 10-15 min, molding and drying are conducted, calcination is conducted for 8-12 h at the temperature of 1580-1650 DEG C, and the aluminum alloy is obtained after natural cooling. The high-quality alumina-based light-weig
Bibliography:Application Number: CN202311772069