新型化学木浆封闭筛选洗涤流程、设备及操作控制

New process,operational control of equipment for wash ing and closed screening of chemical wood pulp

双辊挤压型洗浆机因其洗涤因子小、洗涤效率高而在木浆生产过程中被广泛采用。控制好封闭热筛选实际运行中的压力筛压差,对于防止筛板糊堵和排渣阀堵塞非常重要,流量因子的正确设定和调整在串级控制运行模式下是封闭热筛选正常运行的关键。

The twin-roll extrusion-type pulp washing machines are widely used because of its small washing factor and high washing efficiency in the pulp production process.Good control of pressure screen difference of the closed thermal pressure screening is very important for the prevention of sieve paste and blocking of slag.Correct settings and adjustment of flow factors are keys to the normal operation of closed thermal screening.