回轉窯的(de)(de)墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)用來將筒體(ti)載荷(he)傳遞到滾圈(quan)上，使筒體(ti)不直接(jie)與(yu)滾圈(quan)相磨損(sun)，墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)之間(jian)的(de)(de)空(kong)隙增(zeng)加了滾圈(quan)的(de)(de)散熱面積。墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)塊數(shu)按其(qi)中心距為(wei)300~400毫(hao)米(mi)而定，墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)寬度占整個(ge)圓(yuan)周長的(de)(de)60~70%，墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)厚S=30~60毫(hao)米(mi)。墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)使用中必須注意倆個(ge)問題(ti)。（1）墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)的(de)(de)磨損(sun)當松套(tao)式滾圈(quan)與(yu)墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)間(jian)隙過大(da)時，兩者相對滑動(dong)(dong)大(da)，接(jie)觸面磨損(sun)大(da)。回(hui)轉(zhuan)窯(yao)速(su)愈高，磨損(sun)愉快(kuai)。為(wei)此，可采用計(ji)息可調試墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)。（2）墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)與(yu)回(hui)轉(zhuan)窯(yao)筒體(ti)的(de)(de)固定，兩者一般為(wei)焊接(jie)固定，有點事焊后可加工墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)外圓(yuan)，安裝方(fang)便，對間(jian)隙的(de)(de)控制叫準確。但由(you)于墊(dian)(dian)(dian)板(ban)(ban)(ban)(ban)傳遞回(hui)轉(zhuan)窯(yao)筒體(ti)與(yu)滾圈(quan)間(jian)的(de)(de)巨大(da)壓力盒筒體(ti)軸向竄(cuan)動(dong)(dong)力。
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