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.
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 |