機械密(mi)封(feng)包括壓(ya)力控(kong)(kong)制、溫度控(kong)(kong)制、流(liu)體替換(huan)(堵塞)和雜質去除系(xi)統(tong)。在機械密(mi)封(feng)系(xi)統(tong)中，上(shang)述系(xi)統(tong)并不(bu)同時包括在內(nei)。密(mi)封(feng)系(xi)統(tong)的選(xuan)擇主要取決于(yu)主密(mi)封(feng)件(jian)的應(ying)用范圍(wei)。例(li)如，如...
雙端(duan)面小彈簧平衡型密(mi)封(feng)所用摩擦(ca)副材料由動(dong)環和靜(jing)環所組(zu)成(cheng)的(de)摩擦(ca)副是機械密(mi)封(feng)重要的(de)零件，從理(li)論上講，為了減少機械密(mi)封(feng)的(de)磨損量，應該(gai)在合理(li)的(de)動(dong)力流(liu)體潤(run)滑條件下工作運(yun)轉...
我們(men)使(shi)用泵過(guo)程中(zhong)總會(hui)遇(yu)到(dao)密封(feng)(feng)膠(jiao)圈損(sun)(sun)壞(huai)的(de)情況，一(yi)旦損(sun)(sun)壞(huai)就要(yao)進行更換，作為一(yi)個(ge)工程技術人員(yuan)首先要(yao)分辨自己的(de)泵到(dao)底(di)是哪種(zhong)型號(hao)，才能購(gou)買到(dao)相(xiang)應口徑的(de)機械密封(feng)(feng)，由于在市場(chang)...
在使用過(guo)程中(zhong)，大多數機械密封(feng)(feng)都屬(shu)于接觸(chu)式密封(feng)(feng)，其機理是靠動密封(feng)(feng)環與靜密封(feng)(feng)環的(de)接觸(chu)端面在密封(feng)(feng)流體壓力和彈性元件(jian)壓緊(jin)力的(de)作(zuo)(zuo)用下緊(jin)密貼(tie)合(he)，并(bing)相對滑動而(er)達(da)到密封(feng)(feng)。工作(zuo)(zuo)時...
機械密封(feng)利(li)用機械方(fang)式傳(chuan)(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)力和(he)(he)運動(dong)(dong)(dong)的傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)，機械傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)在(zai)機械工程中應用非常廣(guang)泛，有多種形式，主要包(bao)括皮帶傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、鏈(lian)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、蝸桿蝸輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪(lun)齒(chi)條(tiao)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)和(he)(he)螺旋(xuan)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)...
由于有氣囊的存在，氮氣與隔離(li)(li)液(ye)(ye)完全(quan)不接觸，避免了加壓(ya)(ya)氣體被隔離(li)(li)液(ye)(ye)吸收，使填料改集(ji)式(shi)密封(feng)可以用于液(ye)(ye)力透平等高壓(ya)(ya)操作工況，但是由于隔離(li)(li)液(ye)(ye)是在換熱(re)器的盤管中流動，因此(ci)...
