WET

END

Technologies

  

2 

(11) 

 

From headbox feed pump/screen onwards 
with conventional mixing intensity

6 - 10 meters

1 second

2 seconds

REACTION

RANDOM         MIXING

Additive in

6...20 seconds

Headbox

3 - 5 meters

 

 

Figure 1: Principle of mixing of additive with conventional mixing intensity. The blue horizontal pipe illustrates 
the headbox feed pipe showing red trace of additive moving onwards from left to right. Mixing takes place 
slowly and randomly on its towards headbox.  
图 1；传统混合强度化学品混合原理，兰色的水平管演示了流浆箱喂料管，红色的是添加剂从左向右运动痕迹 
添加剂的混合在流浆箱方向发生即缓慢又无序 

 

 

Figure 2: PM short circulation process showing different circulation loops. Single pass percentage of additive 

to the slice is also shown in a table at upper right corner 

图 2：纸机短循环工艺描述了不同的循环回路，添加剂单程通过百分率见右上角数据