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发明授权
CN101049951B 一种氧化铝生产中乏汽利用工艺及其设备 有权

一种氧化铝生产中乏汽利用工艺及其设备
摘要：
本发明公开了一种乏汽利用工艺及设备，特别是涉及一种在氧化铝生产系统中压煮溶出工序的乏汽利用工艺及其设备。它是由下述结构构成：稀释槽(2)和末级冷凝水罐(3)的出水端与洗水加热器(1)连接，蒸发下水或新水(7)输送管路的出水管与洗水加热器(1)连接，洗水加热器(1)的热水出口管与热水槽4连接。本发明减少了二次蒸汽的外泄，降低了生产过程的能耗。
摘要（英）：

This invention relates to technique and apparatus for utilizing steam exhaust in aluminum oxide production system. The apparatus is characterized by: The water outlet end of the diluting tank and the end-stage water condenser is connected with the washing water heater. The water outlet pipe of the evaporated water or fresh water transportation pipeline is connected with the washing water heater. The hot water outlet pipe of the washing water heater is connected with the hot water tank. The apparatus has such advantages as low secondary steam leakage and low energy consumption.

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