30-degree soft polishing process applied to rock board surface layer

• Main Authors: WEN LIANGXING, LIU LILI, HUANG LIJUN, ZHOU MENGCHUN, FENG GUO, WANG HUANGJIAN
• Format: Patent
• Language: Chinese; English
• Published: 04.12.2020
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; LIME, MAGNESIA; METALLURGY; PERFORMING OPERATIONS; REFRACTORIES; SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER; SLAG; TRANSPORTING; TREATMENT OF NATURAL STONE; WORKING CEMENT, CLAY, OR STONE

The invention discloses a 30-degree soft polishing process applied to a rock board surface layer, which comprises the following steps: carrying out primary drying on a green brick pressed by a press to remove free water in the green brick, controlling the moisture content in the green brick to be less than 0.7% of the total mass of the green brick, spraying water mist on the surface of the green brick after the green brick is taken out of a drying kiln, spraying ground coat on the surface of the green brick, and carrying out pattern printing using an ink jet printing machine; drying in a drying kiln, spraying and polishing glaze in sequence, drying in the drying kiln for the second time, putting an obtained product into a firing kiln, firing at the high temperature of 1196 to 1205 DEG C for 60 to 70 minutes, performing rough polishing, medium polishing, fine polishing and soft polishing in sequence, and finally, detecting to apply the qualified rock plate to furniture assembly, house decoration and the like.