3350mm Jet Width Stainless Steel Air Cushion Type Head Box

1.Air Cushion Type Head Box Description

The main function and objective of the headbox is to distribute a suspension of stock evenly and uniformly on to the forming fabric. This is the most important part of paper making .The headbox 's (Operational parameters )will determine and influence many of the important end paper properties like formation,surface characteristics ,sheet stability and strength.

This headbox is consist of flow distributor device ,evener device ,lip device ,headbox body ,air supply system ,computer controller .Its working speed is 200-400m/min (or special designed according to requirement ).

1.Flow distributor device : pipe mainfold pulp inlet ,3 steps pulp distributor .equipped with pressure balance indicator to help adjust the balance of pulp inlet pressure .

2.Evener device :two evener rolls , evener roll drive with constant speed worm-gear case

3.Lip device :consist of up lip ,bottom lip , micro-adjuster device and opening indicator .up lip can be adjusted up and down ,forth and back ,adjusted by manual worm-gear case , opening is 5-70mm.up lip outlet with vertical small lip ,vertical small lip is adjusted by precise worm-gear ,with dial indicator .

4.Headbox body : sealed stainless steel box .

5.Air supply device : Trefoil low ripple roots blower

6.Computer controller : decoupling of the entire computer automatic control .total pressure control and pulp level control is stable and easy to operate.

2.Air Cushion Type Head Box Specification

3.Air Cushion Type Head Box Application

The Head box serves three important functions in the paper production process. If the Head box does not perform acceptably in any of these three functions, the quality of the paper produced will be greatly diminished.

1. Spread the stock evenly along the width of the paper machine.

2. Accelerate the stock up to the machine operating speed.

3. Suspend the pulp fibers throughout the outgoing slurry.

4.Air Cushion Type Head Box Advantage

Head Box is the heart of paper machine.Its function is to supply even and stable pulp flow to the wire section of paper machine.Every head box design has its special technical conditions,which is different according to the kind of stock,speed,flow and so on.Our company design and manufacture head box according to the actual production of the customer,and calculation and design accurately,and calculation and design accuratrly under the help of com-puter.Therefore,the head box can meet the suitable speed 350-2000m/min,air cushion head box,with suitable speed 160-480m/min.open type speed with suitable speed 80-280m/min.

5.Air Cushion Type Head Box Pictures