Patent AU-2021290246-B2 (AU)
Title: Vitrified aggregate biscuit anti-powder-shedding film overlaying agent, film overlaying system and film overlaying method
Inventor: ZHU YING
IPC: B28B11/04
Filed: 2021-12-01
Granted: 2023-11-02
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(54) Title: ANTI-POWDER-FALLING FILM COATING AGENT FOR CERAMIC AGGREGATE GREEN BODY, FILM 
COATING SYSTEM AND FILM COATING METHOD 
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AA Raw material mixing 
BB Slurry preparation pool 
CCSlurry pool 
DD Spray coating 
EE Coat an aggregate with a film 
FF Recovering pipeline 
GGSlurry recovering pool 
(57) Abstract: An anti-powder-falling film coating agent for a ceramic aggregate green body, a film coating system and a film coating 
method. Water glass, highly adhesive attapulgite clay, high-liquid-limit clay and water are mixed according to a set proportion and 
then subjected to high-speed discrete stirring, so as to prepare a stable slurry; and the prepared stable slurry is uniformly attached to 
the surface of a ceramic aggregate green body to form a coating film. By coating the surface of a ceramic aggregate green body with a 
T high-strength and wear-resistant film layer, sufficient wear resistance is provided for the green body before the green body is sintered, 
so that powder falling is greatly reduced. In addition, parameters such as the strength of an aggregate product are effectively improved 
by means of a reaction with an aggregate matrix during the aggregate sintering process, so that the problem of powder falling while 
grinding, which is easily caused by the insufficient strength of a ceramic particle green body during the ceramic aggregate production 
process and during the drying process after the green body is formed, is solved.
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