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Method of producing Cellulosic material by chemical Pulp cooking, Preserving Heat, and the content of turpentine in the steam
Method of producing Cellulosic material by chemical Pulp cooking, Preserving Heat, and the content of turpentine in the steam
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机译:通过化学纸浆蒸煮,保温和蒸汽中松节油含量生产纤维素材料的方法
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摘要
A method of cooking cellulose material and effectively preserving the heat and terpentine content of the cooking liquor is disclosed. The cooking liquor is allowed to expand and the expansion steam (blow steam) is conveyed into a bed of cellulose material in a storage container (3', 3) to heat and impregnate the cellulose material before cooking. A heated zone is maintained in the bed of material below the surface of the bed by regulating the flow of expansion steam into the container. Uncondensed, evil-smelling and poisonous gases are at the same time prevented from flowing out into the atmosphere. These gases are drawn off from the storage container for destruction.
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