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    • 7. 发明公开
    • 멘홀의 법랑 코팅 방법
    • 用ENAMEL涂装人造石的方法
    • KR1020130036583A
    • 2013-04-12
    • KR1020110100754
    • 2011-10-04
    • 주식회사 유진
    • 허상희
    • C23D5/00C23D13/00
    • C23D5/005C23D3/00C23D13/00
    • PURPOSE: An enamel coating method of a manhole is provided to enable the removal of hydrogen gas inside the manhole and burr on a surface of the manhole, to manufacture the manhole with the smooth and glossy surface, and to apply various colors on the surface of the manhole. CONSTITUTION: An enamel coating method of a manhole comprises: a step for heating the manhole at a temperature of 850-1000>= for 30 minutes to 2 hours; a step for peeling the heat treated manhole with a short ball; a step for evenly spreading a lower oil coating at thickness of 50-80μm on the manhole and burning the same at a temperature of 780-820>= for 30 minutes to 2 hours; a step for evenly spreading a primary upper oil coating of 200-250μm on the manhole and drying the same; and a step for evenly spreading a secondary upper oil coating of 80-120μm on the manhole, drying the same, and burning the same at a temperature of 780-800>=.
    • 目的:提供一种人孔搪瓷涂层方法,能够清除人孔内的氢气,并在人孔表面产生毛刺,制造具有光滑光滑表面的人孔,并将各种颜色施加在 沙井。 构成:人孔的搪瓷涂覆方法包括:在850-1000℃的温度下加热人孔30分钟至2小时的步骤; 用短球剥离热处理的人孔的步骤; 在人孔上均匀铺展厚度为50-80μm的较低油层并在780-820> =的温度下燃烧30分钟至2小时的步骤; 将200-250μm的一次上油层均匀铺展在人孔上并干燥的步骤; 并且在人孔上均匀分散80-120μm的二次上部油涂层的步骤,将其干燥并在780-800℃的温度下燃烧。