vt.弄脏；玷污
The reason of refinery cooling equipment corrosion and begriming was analyzed. 对炼油厂冷换设备管束的腐蚀、结垢原因进行分析。
In view of the cage jamming and cage falling caused by begriming from heavy side-wall water on shaft walls which has a serious effect on coal mine safety hoisting, a new scaling unit is developed. 针对煤矿立井淋帮水大,井筒壁严重结垢造成卡罐、坠罐,严重困扰着煤矿安全提升的现状,研制开发了一种新型除垢设备,经实际使用表明除垢效果良好,能适应井筒中恶劣工况下切除水垢,安全可靠。
Keywords side-wall begriming;cage jamming;scaling;leakage protection;scaling machine; 井壁结垢;卡罐;除垢;漏电保护;水垢切除机;
