Paper Machine Double Air Tube Doctor Blade Holder
The doctor blade holder is used in wet and dryer section on paper machine to ensure the paper machine can running safely and efficiently. It can be divided into motor oscillate and air oscillate.
Vacuum couch roll use the double doctor blades, it can erase the water, small fibre and dirt of the hole, then the drynessof wet paper can be improve 1.5%-2.0% on couch roll, equal to the dryness of wet paper improved 1 % on press section, saving air to dr39-49%. The investment of double doctor blades can be taken back within 2-3 months. it plays a tremendous effect to improve water uniformity and reduce the water into the press section.
A. lmprove water uniformity and reduce the water into the press section after installed the vacuum couch roll.
B. The water of return to the wire part can be reduced so as to improve the character.
C. The special form ofthe doctor blade can produce negative pressure on the back ofblade, then suck out moisture and dirt of roll holes
reduce the mesh clogging and improve the life of roll.
D. The water phenomenon and water mist around of vacuum couch roll are resolved.
E. According to information provided by the client, the weight of paper are improved and unit weight becomestable. Play a good result in terms of product quality and cut costs.
Double Doctor Blade Holder
Single Doctor Blade Holder
Oscillator Doctor Blade