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Paper Machine hydraulic type headbox

The hydraulic headbox is suitable for the speed of 320-1200m/min. Pulp is evenly distributed through the cone-shaped main pipe to step-changing tube . The dilution water is injected into pulp before pulp enters the stepped tube for adjusting the concentration and to improve the quantitative of the entire paper web.

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Hydraulic Headbox


The hydraulic headbox is suitable for the speed of 320-1200m/min. Pulp is evenly distributed through the cone-shaped main pipe to step-changing tube . The dilution water is injected into pulp before pulp enters the stepped tube for adjusting the concentration and to improve the quantitative of the entire paper web.



Application


Used for sizing in fourdrinier wire section of paper making machine for producing the cardboard paper, corrugated base paper, writing and printing paper, offset paper and so on.


Structure and Materials


1.special CD profile adjusting unit with dilution water,high turbulence generator with special vane design, top slice with accurate adjusting mechanism.

2.Box body steel plate welding and lining stainless steel or all stainless steel welding.


 OIP


Key parameters

Adaptive speed : 100-500M/min (designed on requirements)

For example:3600/350 Air cushion Type Headbox

Paper   kinds

100-180g/㎡ paper

Raw   material

Reborn   waste paper pulp

Quantitative

100-180g/㎡

Trim   width

3600mm

Nozzle   width

3900mm

Working   speed

250-300m/min

Design   speed

350m/min

Pulp   consistency

0.8%-1.1%

Contraction   percentage of paper web

≤4

Retention   rate

75%

Gauge

4800mm

Arrange   type

Left   hand machine

 


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