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