Cooking System (Digester)

Product Overview

Rajshree Group supplies complete Digester and Cooking Systems for chemical pulp mills. Our digesters — available in batch and continuous configurations — cook wood chips with white liquor under controlled temperature and pressure to selectively dissolve lignin while preserving cellulose fibre integrity. The result is strong, high-quality unbleached kraft pulp.

Key Features

• ✓Cold blow or hot blow batch digesters
• ✓Continuous digester with chip level sensors
• ✓White liquor impregnation vessel
• ✓Blow tank with heat recovery
• ✓Black liquor displacement heating
• ✓Automatic cooking sequence control
• ✓Safety interlocks and pressure relief
• ✓Integration with chemical recovery system

Applications

• Softwood kraft pulping
• Hardwood kraft pulping
• Agro-residue pulping
• Dissolving pulp production
• Pre-hydrolysis kraft process