加蓋(gai)(gai)保(bao)溫(wen)鐵水(shui)包(bao)(bao)(bao)(bao)：是在(zai)(zai)普通鐵水(shui)包(bao)(bao)(bao)(bao)的(de)(de)基礎上改進(jin)而成，它在(zai)(zai)鐵水(shui)澆包(bao)(bao)(bao)(bao)包(bao)(bao)(bao)(bao)口上加裝(zhuang)了包(bao)(bao)(bao)(bao)蓋(gai)(gai)。包(bao)(bao)(bao)(bao)蓋(gai)(gai)拉開(kai)，包(bao)(bao)(bao)(bao)口敞開(kai)，倒入(ru)鐵液后蓋(gai)(gai)上包(bao)(bao)(bao)(bao)蓋(gai)(gai)，迅速蓋(gai)(gai)住包(bao)(bao)(bao)(bao)口，將空氣與鐵液隔(ge)(ge)絕，起到一(yi)定(ding)的(de)(de)隔(ge)(ge)溫(wen)作用，另外包(bao)(bao)(bao)(bao)體(ti)也可做成雙層，中間(jian)填(tian)充保(bao)溫(wen)棉來(lai)保(bao)溫(wen)。如是球(qiu)鐵包(bao)(bao)(bao)(bao)，包(bao)(bao)(bao)(bao)蓋(gai)(gai)蓋(gai)(gai)上后，球(qiu)化(hua)(hua)劑與鐵液接觸發生(sheng)反應，在(zai)(zai)包(bao)(bao)(bao)(bao)內形成一(yi)定(ding)的(de)(de)壓力(li)，從而使球(qiu)化(hua)(hua)處(chu)理在(zai)(zai)一(yi)定(ding)壓力(li)和(he)相對(dui)缺(que)氧環境下進(jin)行，減少(shao)了球(qiu)化(hua)(hua)劑的(de)(de)燒損、提高吸收率，并(bing)且減少(shao)了鎂光、煙塵和(he)鐵水(shui)的(de)(de)飛濺。澆包(bao)(bao)(bao)(bao)傳(chuan)動(dong)(dong)減速機采用蝸(gua)輪蝸(gua)桿傳(chuan)動(dong)(dong)，轉動(dong)(dong)靈(ling)活自(zi)如，雙向回轉，可逆性好(hao)。分手(shou)動(dong)(dong)和(he)手(shou)電(dian)(dian)兩用，手(shou)動(dong)(dong)操作方便(bian)，電(dian)(dian)動(dong)(dong)為電(dian)(dian)機傳(chuan)動(dong)(dong)安全(quan)省力(li)。吊(diao)(diao)桿采用鍛件，比(bi)鋼板焊接安全(quan)可靠；包(bao)(bao)(bao)(bao)體(ti)鋼板較厚，包(bao)(bao)(bao)(bao)底采用錐度、底箍、焊筋相結(jie)合，既延長了使用壽命(ming)，又(you)確保(bao)了安全(quan)；包(bao)(bao)(bao)(bao)體(ti)與吊(diao)(diao)桿和(he)減速箱(xiang)均裝(zhuang)有鉸(jiao)鏈(lian)卡板,可隨時鎖定(ding)；兩包(bao)(bao)(bao)(bao)軸(zhou)與吊(diao)(diao)桿間(jian)裝(zhuang)有調心軸(zhou)承，一(yi)致(zhi)性好(hao)。（5T以上可選電(dian)(dian)動(dong)(dong)）
