The displacement digester system is also known as DDS cooking system. As the most advanced batching cooking technology in the world, it applies for wood pulp or bamboo pulp project with 50-300 thousand tons annual output.
The displacement digester system is also known as DDS cooking system. As the most advanced batching cooking technology in the world, it applies for wood pulp or bamboo pulp project with 50-300 thousand tons annual output.
Displacement digester specifications:
Model | ZJG3 | ZJG4 | ZJG5 | ZJG6 | ZJG7 | ZJG8 | ZJG9 |
Effective volume (m³) | 110 | 135 | 175 | 225 | 250 | 330 | 400 |
Diameter (internal) (mm) | 3600 | 4000 | 4500 | 4500 | 4500 | 5600 | 5800 |
Design pressure(Mpa) | 0.9/1.2 | ||||||
Design temperature (℃) | 180/240 |
The displacement digester cooking system is made up of conveyor, digester, storage tank, blow tank, separator, heat exchanger, foam breaker, black liquor filter and pump, and other equipment.
The displacement digester cooking system include four basic units, such as cooking, heat exchange, black liquor filter and exhaust gas separation. The cooking process can be divided into 6 steps as following: