# TYPE: Kraft Liner Paper Making Line TIME: 2017-10-12
1. The spots of broken paper is mainly due to that the broken paper is not breaking well in the pulper. You can strengthen the effect of fiber deflaker. If the beating machine is used as a fiber deflaker, it is unlikely to achieve the desired effect.
2. Black and spot in calendering process are caused by poor forming.
3. Wrinkling is related to drying and reflects the quality distribution of the paper sheet. Reducing the beating and improve the forming will help.
4. Increase the amount of short fiber or reduce the beating degree will help to resolve the curling problem.
5. The main reason of fluffing is the lack of sizing or false sizing, and this problem is aggravated by slurry freeness overload.
6. The main reason for poor forming is the poor dehydration of the wire section and excessive fiber content in the slurry. It will help to improve the beating degree, but it is necessary to reduce the amount of long fiber.
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