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Stainless Steel Pulp Making System Air Cushion Headbox
1.The Air Cushion Headbox Description
1) distributed pulp device
The distributed pulp device adopts the tapered main pipe to enter
the pulp, and the three steps diffuse the pulp. The tapered header
is composed of inlet flange, large end connection pipe, conical
main body, small end connection pipe and outlet flange.
The tapered header is equipped with a pressure balance indicator
tube, which is convenient to adjust the pressure balance of the
tapered header into the pulp.
2) well-distributed pulp device
The well-distributed pulp device is two doctor rollers (lip doctor
roller and throat doctor roller), with double spiral holes and
quality stainless steel pipe (304).
The parameters such as the diameter of the doctor roller and the
opening rate are determined according to the process requirements.
3) lip device
The lip device is composed of upper and lower lip plates,
fine-tuning mechanism and lip opening indicator.The upper lip plate
is a special joint structure. Can up and down, before and after
adjustment lip opening.
Headbox is the key part of modern paper machine. Its structure and
performance play a decisive role in the formation of paper pages
and the quality of paper.
Classified editor:Open headbox,Air cushion headbox,Hydraulic
headbox.
Its main tasks:
It can disperse fiber effectively. High turbulence headbox can
produce high-intensity micro turbulence, effectively disperse
fibers, prevent fiber precipitation and re flocculation, and
effectively improve the strength of paper.
Evenly distribute the paper material horizontally along the paper
machine. (determines the horizontal quantitative distribution of
the web)
The shotcreting is stable to ensure the consistency between the
slurry speed and the mesh speed. (determines the vertical
quantitative distribution of the web)
2. The Air Cushion Headbox Specification
Trimmed Width (mm) | 3200 | 3600 | 3800 |
Width of Jet (mm) | 3350 | 3800 | 4050 |
Work Speed (m/min) | 200-300 | 200-300 | 200-300 |
Diameter of holy roll (mm) | 220 | ||
Cloth Paste Way | Square taper pipe into the slurry,cloth pulp by the organic glass holey plate | ||
Outline size (m) | 2.6*4.4*1.6 | 2.6*4.4*1.6 | 2.6*5*1.6 |
Arrangement | Left or right hand machine |
3.The Air Cushion Headbox Pictures