Paper Mill Production Line Machine Headbox

The headbox of paper machine components can be roughly divided into four types, namely open headbox, air-cushion headbox, full-flow headbox and full-flow air-cushion combined headbox. They have different working properties in the paper making process.

Headbox Brife Introduction

Open headbox: The pulp speed of the feed drum sizing machine depends on the height of the pulp surface in the box and is controlled by the overflow. Air-cushion headbox: The top of the box is closed, and the height of the solution in the box is fixed. The flow rate of the paper machine into the net paper cylinder is controlled by adjusting the pressure of the air cushion above the liquid level through the open headbox. Full-flow headbox: There is no large box, and the pressure of the pulp pump is usually applied to achieve the required pulp speed. Full-flow air-cushion combined headbox: An air-cushion box is provided on the ordinary full-flow headbox, and the air-cushion pressure in the air-cushion box is applied to adjust the pulp feeding speed.

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