kraft paper/offset paper making machine

1.Main Parameters:

Output products:writing paper fluting paper  kraft paper two-side offset paper rebirth newspaper

Basis weight: 40-300g/m2

Working speed: 150-550m/minproductivity: 20-260t/ddrive way:AC sectional control

2.Constructure Overview:

Headbox

open type headbox/air-cushioned headbox with rectangle-taper manifold,step-hole plate diffuser,  distributor roll

surface  of  headbox  (incl:  distributor  roll)  exposed  to  stock  is  mirror-polished

Wire section

Comprised  of  wire  frame,  walking  board,  white  water  pan,  forming  plate,  drainage  foil,  

vacuum  drainage  foil,  wet  suction  box,  suction  box,  breast  roller  support  and  lifter,  vacuum  

couch  roller,  wire-driving  roller,  wire-leading  roller,  compound  roller,  scraper,  spray  tube,  

slitter  edge  tail  cutter,  wire  tension  unit,  guide  and  starch  applicator,  etc.  longish  wire  is  

polyester forming wire and replaced in cantilever method. Jack is at the operating side, use jack  

which is applicable to load.  

Basic configuration can ensure making capacity of wires complying with product basis weight  

range,  adjust  dehydration  capacity  of  wires,  even  and  uniform  dryness  of  wet  paper 

Dehydration units in wire section

Dehydration units are configured according to max. basis weight and pulp type of the product,

can ensure paper-making capacity. When the basis weight of paper-making changes, can adjust

vacuum  degree  of  vacuum  dehydration  units  to  ensure  paper  dryness.  According  to  vacuum

degree  from  low  to  high,  configure  that  forming  plate,  drainage  foil,  vacuum  drainage  foil,

low-vacuum wet suction box, high vacuum suction box. Dehydrating units touching with wire

surface is made of ceramic, front part of wiper blade is flat and straight. Box body is made of

stainless   steel.   Each   vacuum   suction   box   is   equipped   with   steam/water   separator   and

connection with vacuum main tube.

Dryer section

 the dryer are driven by closed gear box,all the bearings of dryer cylinders and the felt roll and bearing are lubricated by centrol thin oil station,

The dryer comprised of cylinder body, cover, spindle nose and access hole cover. Connect cylinder cover with spindle nose with split bolt. Cylinder cover is structured into two layers.

The dryer section has guide rolls paper roll, tension sensor, autoguide,stretcher,dryerdoctor,walkway. 

More information,please contact us.