機(ji)械化造(zao)(zao)漿生(sheng)產(chan)過程(cheng)(cheng)中(zhong)雖(sui)然不(bu)使(shi)用(yong)(yong)化學藥品(pin)，腐蝕程(cheng)(cheng)度較輕，但造(zao)(zao)紙工(gong)業講究清潔，其機(ji)械設(she)備如采(cai)(cai)用(yong)(yong)普通(tong)鋼(gang)鐵制(zhi)造(zao)(zao)，使(shi)用(yong)(yong)時(shi)間(jian)長(chang)了難免會產(chan)生(sheng)鐵銹，從(cong)而對(dui)紙漿產(chan)生(sheng)污(wu)染，因此(ci)廣(guang)泛采(cai)(cai)用(yong)(yong)不(bu)銹鋼(gang)制(zhi)造(zao)(zao)。為了在(zai)(zai)生(sheng)產(chan)紙的(de)過程(cheng)(cheng)中(zhong)減少污(wu)染和維修方便，如在(zai)(zai)造(zao)(zao)紙過程(cheng)(cheng)中(zhong)使(shi)用(yong)(yong)的(de)冷卻塔、盛酸桶、蒸煮鍋(guo)等設(she)備及(ji)管道(dao)，也廣(guang)泛采(cai)(cai)用(yong)(yong)不(bu)銹鋼(gang)制(zhi)造(zao)(zao)。其應用(yong)(yong)情況(kuang)見表2-18。