| 摘要 |
FIELD: pulp-and-paper industry. SUBSTANCE: cooker has vertical housing, charging and discharge augers, withdrawing devices, diffusers and recirculation devices. Withdrawing devices have spiral coils defining perforated bottoms and injectors above them. Perforated bottoms are equipped with acoustic generators. Spiral channel under each perforated bottom is adapted for withdrawal of cellulose mass from apparatus. EFFECT: simplified construction, enhanced reliability in operation and improved quality of product. 2 dwg
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