成都圓管輸送機缺點（一）

核心提示：圓管帶式輸送機也(ye)存(cun)在(zai)缺(que)點，主要是(shi)：

成都圓管輸送(song)機缺點(dian)（一）

圓管帶式輸送機(ji)也存在缺點，主要是：

(1)輸送帶(dai)性能(neng)要(yao)求高

盡管(guan)(guan)圓(yuan)管(guan)(guan)帶(dai)式輸(shu)(shu)(shu)(shu)送(song)(song)(song)(song)機(ji)所采(cai)用的輸(shu)(shu)(shu)(shu)送(song)(song)(song)(song)帶(dai)仍然(ran)為平型輸(shu)(shu)(shu)(shu)送(song)(song)(song)(song)帶(dai)，但(dan)是既要將(jiang)輸(shu)(shu)(shu)(shu)送(song)(song)(song)(song)帶(dai)導向(xiang)(xiang)成圓(yuan)管(guan)(guan)形(xing)狀，同時要求(qiu)密封，因此要求(qiu)輸(shu)(shu)(shu)(shu)送(song)(song)(song)(song)帶(dai)的邊緣(yuan)與通用帶(dai)式輸(shu)(shu)(shu)(shu)送(song)(song)(song)(song)機(ji)輸(shu)(shu)(shu)(shu)送(song)(song)(song)(song)帶(dai)的邊緣(yuan)不同；另外為了(le)使(shi)輸(shu)(shu)(shu)(shu)送(song)(song)(song)(song)帶(dai)導向(xiang)(xiang)成圓(yuan)管(guan)(guan)形(xing)狀，并且在輸(shu)(shu)(shu)(shu)送(song)(song)(song)(song)機(ji)運行過程中(zhong)保持圓(yuan)管(guan)(guan)形(xing)狀，因而(er)對輸(shu)(shu)(shu)(shu)送(song)(song)(song)(song)帶(dai)的剛(gang)度要求(qiu)也不同，需要在設計(ji)和制造(zao)中(zhong)特別考慮。

(2)運(yun)行(xing)阻力(li)大

由于運行中物(wu)料被包圍在圓管內，增(zeng)大(da)了物(wu)料與(yu)輸(shu)送帶的擠壓力(亦(yi)即托(tuo)輥與(yu)輸(shu)送帶間的(de)壓力大)，從而圓管輸送(song)機的運行阻力系數比通用帶式輸送(song)機的大。

(3)輸送量小(xiao)

圓管帶(dai)(dai)式輸送機(ji)與(yu)普通帶(dai)(dai)式輸送機(ji)相(xiang)比(bi)，在帶(dai)(dai)速和帶(dai)(dai)寬相(xiang)同的條件下輸送量(liang)小。例如，帶(dai)(dai)寬為100時(shi)，普通帶式輸(shu)送機(ji)的物料(liao)最(zui)大截面積為0.094m2(托(tuo)槽角35，堆積角為10°)，而圓管(guan)帶式輸送機的(de)物(wu)料截面積為0.0409m2，只相當(dang)普通帶(dai)式(shi)輸送機的物料最(zui)大截面積的1/2。

(4)設計(ji)計(ji)算復雜

由于(yu)圓(yuan)管帶式(shi)輸(shu)送機的(de)結構比通用帶式(shi)輸(shu)送機的(de)復雜，因(yin)而(er)使(shi)其設(she)計計算更加復雜，普(pu)通設(she)計人員難以(yi)掌握(wo)。特別需要指(zhi)出的(de)是(shi)，圓(yuan)管帶式(shi)輸(shu)送機的(de)運行(xing)阻力隨運動速度的(de)增大而(er)增大，實際設(she)計中運行(xing)阻力系數的(de)選擇較(jiao)困難。