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Degumming of Corrugated Paper

degumming-of-corrugated-paperDegumming is a kind of complex defects in paper making industry. Do you know how to deal with it?

Corrugated paper medium layer degumming

Causes Analysis:
1. Glue quality doesn’t meet the production requirement or spoils;
2. Glue quantity is not enough;
3. Heat of pressure roll or corrugated roll is not enough;
4. The pressure of pressure roll is not enough;
5. Pressure roll or corrugated roll is heavily worn.
Corresponding Solution:
1. Change eligible glue soluting;
2. Increase the glue-spread appropriately;
3. Increase the temperature of pressure roll and corrugated roll. Improve the temperature to 180℃ above when starting up;
4. Appropriately adjust pressure of corrugated roll;
5. Polish or change the pressure roll or corrugated roll.

Degumming between top layer & corrugated paper

Causes Analysis:
1. Glue quality is not enough, dryer speed is too slow;
2. Glue solution is too thin;
3. Temperature of Dryer hot plate is not enough;
4. Dryer speed is too high, the dryness is not enough.
Corresponding Solution:
1.Increase glue-spread and improve speed appropriately;
2.Add moderate emulgator, or change glue soluting;
3.Improve the temperature to 180℃ above when starting up;
4.Reduce the speed.

Leizhan provides various kinds of paper and pulp equipment. Welcome to contact us for more details.
Email:leizhanpapermachine@gmail.com

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