Paper Machine open type headbox

Open Type Headbox

Open headbox (with two-distribution rolls) stock flow process,perforated rolls and other mainly equipment are similar with air-cushion headbox. A gravity head of stock is used to give the corrected by pond level.Open headbox‘s work speed is mainly slow.

Application

lt's suitable for the paper machine with working speed 80-280m/min as the requested design.

Features

1.The pulp level in the box is used to control the speed of online pulp (pulp speed), which is usually controlled by adjusting the height of weir plate in the box

2.Equipped with dial gauge for fine tuning.

3.Paper web Lateral directional difference is士1%-2%

4.lt consists of cone duct cloth paste, organic glass, spiral hole diffusion step, before the rectifier roll overflow, the upper lip plate adjustment and upper lip plate spinner indicator.

Key parameters

Adaptive speed : 80-280M/min (designed on requirements)

For example: 1800/200 Open Type Headbox