機械密(mi)(mi)(mi)封(feng)包(bao)括(kuo)壓力控制、溫度控制、流體替換(堵塞)和雜質去除系(xi)統(tong)。在機械密(mi)(mi)(mi)封(feng)系(xi)統(tong)中，上(shang)述(shu)系(xi)統(tong)并不同時包(bao)括(kuo)在內。密(mi)(mi)(mi)封(feng)系(xi)統(tong)的(de)選(xuan)擇主要取決于主密(mi)(mi)(mi)封(feng)件的(de)應用范圍。例(li)如，如...
機械密(mi)封(feng)利(li)用機械方式傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)力和運動(dong)(dong)(dong)的傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)，機械傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)在機械工程中(zhong)應用非(fei)常廣泛(fan)，有多種形式，主要包括皮帶傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、蝸桿(gan)蝸輪(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪(lun)齒(chi)條傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)和螺旋(xuan)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)...
機械(xie)密封是靠彈性元件(jian)(繃簧、波紋管等) 和(he)密封液體(ti)壓(ya)力(li)在相(xiang)對運動的(de)動環(huan)(huan)和(he)靜環(huan)(huan)的(de)接觸面(端(duan)面)上(shang)發作一恰(qia)當的(de)壓(ya)緊(jin)力(li)(比壓(ya))使(shi)兩個亮光(guang)、 平直的(de)端(duan)面緊(jin)密貼(tie)合；端(duan)面間...
機械(xie)密(mi)封是一種(zhong)依(yi)靠彈性元(yuan)件(jian)對(dui)動(dong)、靜(jing)環端(duan)(duan)面(mian)密(mi)封副的(de)預緊和介質(zhi)壓(ya)力與彈性元(yuan)件(jian)壓(ya)力的(de)壓(ya)緊而達到(dao)密(mi)封的(de)軸(zhou)向端(duan)(duan)面(mian)密(mi)封裝置。動(dong)環和靜(jing)環的(de)端(duan)(duan)面(mian)組(zu)成(cheng)一對(dui)摩擦副，動(dong)環靠密(mi)封室中液...
熱水(shui)泵(beng)集式機械(xie)密封(feng)是指安(an)(an)裝(zhuang)運行在泵(beng)類設備中起(qi)動態密封(feng)作用的(de)裝(zhuang)置(zhi)，避免水(shui)泵(beng)蝸殼(ke)中的(de)流體(ti)介質通過泵(beng)軸(zhou)流出。由于水(shui)泵(beng)多為(wei)輸(shu)送(song)流體(ti)介質，具有水(shui)平(ping)安(an)(an)裝(zhuang)、高轉速、高壓(ya)力、帶...
反壓(ya)狀(zhuang)態是不(bu)良的(de)工(gong)作狀(zhuang)態，介質中的(de)顆粒、雜質很容(rong)易進(jin)入密封面，使(shi)密封失效。磨軸(zhou)的(de)主要件(jian)為橡膠波紋管，且由于(yu)上端密封面處于(yu)不(bu)良潤滑狀(zhuang)態，動(dong)靜環之(zhi)間的(de)摩擦力(li)矩大于(yu)橡...
