vt.弄臟；玷污

The reason of refinery cooling equipment corrosion and begriming was analyzed. 對(duì)煉油廠冷換設(shè)備管束的腐蝕、結(jié)垢原因進(jìn)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. 針對(duì)煤礦立井淋幫水大,井筒壁嚴(yán)重結(jié)垢造成卡罐、墜罐,嚴(yán)重困擾著煤礦安全提升的現(xiàn)狀,研制開發(fā)了一種新型除垢設(shè)備,經(jīng)實(shí)際使用表明除垢效果良好,能適應(yīng)井筒中惡劣工況下切除水垢,安全可靠。

Keywords side-wall begriming;cage jamming;scaling;leakage protection;scaling machine; 井壁結(jié)垢;卡罐;除垢;漏電保護(hù);水垢切除機(jī);