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MANUFACTURING METHOD OF MAGNESIUM-ALUMINIUM SPINEL BRICK AND MAGNESIUM-ALUMINIUM SPINEL BRICK MANUFACTURED BY THE METHOD
A manufacturing method of a low heat-conducting magnesium-aluminium spinel brick includes: (1) evenly mixing sintered magnesia, fused magnesia, magnesium-aluminium spinel and corundum to prepare flame retardant coating raw material mixed powder, adding naphthalene binder to the flame retardant coating raw material mixed powder to prepare the flame retardant coating raw materials after evenly mixing; (2) evenly mixing forsterite, fayalite and magnesia, adding the naphthalene binder to the mixed powder, moulding, drying, and then burning to obtain aggregate composite hortonolite raw materials; adding the naphthalene binder to the aggregate composite hortonolite having granularity ≤5 mm to prepare the thermal insulating layer raw materials after evenly mixing; (3) spacing and loading the flame retardant coating raw materials and the thermal insulating layer raw materials in a mold, pressing into green bricks, keeping the green bricks at a temperature of 110° C. for 24 hours, drying, and burning into magnesium-aluminium spinel bricks.
MANUFACTURING METHOD OF MAGNESIUM-ALUMINIUM SPINEL BRICK AND MAGNESIUM-ALUMINIUM SPINEL BRICK MANUFACTURED BY THE METHOD
A manufacturing method of a low heat-conducting magnesium-aluminium spinel brick includes: (1) evenly mixing sintered magnesia, fused magnesia, magnesium-aluminium spinel and corundum to prepare flame retardant coating raw material mixed powder, adding naphthalene binder to the flame retardant coating raw material mixed powder to prepare the flame retardant coating raw materials after evenly mixing; (2) evenly mixing forsterite, fayalite and magnesia, adding the naphthalene binder to the mixed powder, moulding, drying, and then burning to obtain aggregate composite hortonolite raw materials; adding the naphthalene binder to the aggregate composite hortonolite having granularity ≤5 mm to prepare the thermal insulating layer raw materials after evenly mixing; (3) spacing and loading the flame retardant coating raw materials and the thermal insulating layer raw materials in a mold, pressing into green bricks, keeping the green bricks at a temperature of 110° C. for 24 hours, drying, and burning into magnesium-aluminium spinel bricks.
MANUFACTURING METHOD OF MAGNESIUM-ALUMINIUM SPINEL BRICK AND MAGNESIUM-ALUMINIUM SPINEL BRICK MANUFACTURED BY THE METHOD
CHEN JUNHONG (author) / FENG JISHENG (author) / JIA YUANPING (author) / WU YANXIA (author) / ZHU BO (author) / GUO YUTAO (author)
2020-11-19
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2022
| European Patent Office | 2020
| European Patent Office | 2022
| European Patent Office | 2022