每小時(shí)生產(chǎn)干膠量=40×0.126=5.04t 生產(chǎn)一噸橡膠消耗蒸汽:9.4/5.04=1.87t
返回R443的量為4.0-4.0×30%=2.8(m/h) 答:每小時(shí)返回R443塔底油2.8m/h.