Paper Machine Spare Parts Headbox

Inquiry for Paper Machine Spare Parts

Type: Headbox . With technical dokumentation
Class: New or second hand

Headbox for top ply

The headbox will be used as third, for top ply (we owned 2 headboxes)
Paper grades: Cardboard – White line chipboard (WLC) 200-400 g/m2
Furnish composition: Hard wood kraft pulp BHKP
Mechanical design speed: 860 m/min

Material: stainless steel
Trim width : 4000 mm
Jumbo reel diameter: 3600 mm
Width web of the headbox. 3842 mm

The headbox has be smoothed mechanicaly as follows: Header 0,80 Ra
Distribution tubes 0,60 Ra
Slice section 0,20 Ra

Hydraulic control: major adjustmen for slice opening
Minimal flow on slice: 284 l/s
Maximal flow on slice: 568 l/s
Consistency in the headbox: 0,22-0,25 %
Retention: 75-88 %

Headbox flow rates

If you need paper machine or spare parts of paper machine, you can send email to leizhanworld@gmail.com
We are pleasure to answer the questions about the paper machine.

Name of grade WLC WLC WLC WLC WLC WLC WLC
Total basis weight at reel g/m2 200 225 250 275 300 350 400
Speed at reel m/min 445 396 356 307 270 222 187
Basis weight g/m2 35 40 40 45 50 55 60
Basis weight g/m2 0,25 0,25 0,25 0,25 0,25 0,24 0,22
Retention % 75 80 82 85 86 87 88
Slice flow l/s 472 450 395 369 357 332 329
Slice flow /m l/s/m 123 117 103 96 93 87 86
Slice opening mm 20,6 22,1 21,6 23,4 25,7 29,1 34,3

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