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Air Impact on Paper Making Process


Cause of Air in Paper Stock

1. Unsuitable mechanical agitation;
2. Air leakage of conveying equipment, such as pulp pump, white water pump;
3. Poor system sealing performance brings air in;
4. The fiber fines in recycling white water bring air.

Harmful Effect of Air on Paper Making Process

1. Produce froth and then make paper making more difficult;
2. Increase dewatering obstruction and decrease drying efficiency;
3. Cause uneven concentration distribution

Method of Removing Air on Paper Making Process

1. Chemical process(such as add surface active agent)
2. Physical method(such as superheated steam)
3. Put in a buffer tank

Leizhan provides various kinds of paper and pulp machine. Welcome to contact us for more details.

Project Case

Kraft Liner Paper Making Line

Kraft Liner Paper Making Line

Testline paper machine, also called kraft liner board machine is to produce testliner paper. With large capacity, lower energy consumption, superior quality and the most competitive price, our testliner paper making line enjoys the good command and admission of our customers. If you are interested in our products, welcome to our company, you can also consult via telephone or mail to us. Email:

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Corrugated Paper Making Line

Corrugated Paper Making Line

Corrugated Paper Making Line needs Chain Conveyor, Drum Pulper, D Type Hydrapulper, Mid Consistency Pressure Screen, Double Disc Refiner, Inflow Pressure Screen, and so on. Paper pulp machine used to make waste paper turn to fine pulp for paper forming on the paper machine. Leizhan plays great emphasis on designing most suitable Corrugated packaging paper manufacturing solutions for corrugated packaging paper makers.

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Cultural Paper Making Line

Cultural Paper Making Line

Cultural paper machine line: Firstly, Raw materials are conveyed by Chain Conveyor into Drum Pulper for pulping. Then, High Density Cleaner helps to remove heavy impurities. What’s more, we need to improve slurry beating degree by using Double Disc Refiner. Eventually, the waste paper turn into fine pulp after a series of screening and deslagging and it will be conveyed into Headbox for paper making.

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