機械(xie)化(hua)造(zao)(zao)漿生(sheng)(sheng)產(chan)(chan)過(guo)程中(zhong)(zhong)雖然不使用(yong)化(hua)學藥品,腐蝕程度(du)較(jiao)輕,但(dan)造(zao)(zao)紙(zhi)工業講究(jiu)清潔,其(qi)機械(xie)設備(bei)如采用(yong)普通鋼鐵(tie)制(zhi)造(zao)(zao),使用(yong)時間長了難免(mian)會產(chan)(chan)生(sheng)(sheng)鐵(tie)銹,從而(er)對紙(zhi)漿產(chan)(chan)生(sheng)(sheng)污染,因此廣泛(fan)采用(yong)不銹鋼制(zhi)造(zao)(zao)。為了在生(sheng)(sheng)產(chan)(chan)紙(zhi)的過(guo)程中(zhong)(zhong)減少污染和維修方(fang)便,如在造(zao)(zao)紙(zhi)過(guo)程中(zhong)(zhong)使用(yong)的冷卻(que)塔、盛(sheng)酸桶(tong)、蒸煮鍋等設備(bei)及(ji)管道,也廣泛(fan)采用(yong)不銹鋼制(zhi)造(zao)(zao)。其(qi)應用(yong)情況(kuang)見表2-18。


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