发明名称 |
Method and apparatus for evaporating waste liquor produced when cooking fibrous material containing cellulose |
摘要 |
The present invention relates to a method and apparatus for evaporating waste liquor produced when cooking fibrous material containing cellulose in a continuous pulp digester. In the continuous cooking process, fibrous material is heated to the process temperature by direct or indirect vapor heating in the digester at an increased pressure. The invention especially relates to digesters, in which fibrous material is heated directly with vapor.
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申请公布号 |
US4944840(A) |
申请公布日期 |
1990.07.31 |
申请号 |
US19890295825 |
申请日期 |
1989.01.11 |
申请人 |
AHLSTROEMFOERETAGEN SVENSKA AB |
发明人 |
HENRICSON, KAJ;RYHAM, ROLF;SANNHOLM, KRISTER |
分类号 |
D21C7/10;D21C11/10 |
主分类号 |
D21C7/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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