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논문 기본 정보

자료유형
학술저널
저자정보
이철우 (강원대학교) 이광섭 (강원대학교) 최경화 (강원대학교) 류정용 (강원대학교)
저널정보
한국펄프·종이공학회 펄프·종이기술 펄프·종이기술 제56권 제5호(통권 제220호)
발행연도
2024.10
수록면
87 - 93 (7page)

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초록· 키워드

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In this study, the effects of the intensity of vibrations applied to the forming fabric during the WEPS sheet forming process, which involves vacuum-applied dewatering, on the retention, drainage, and formation of hardwood and softwood pulp stocks were explored. It was found that as the intensity of vibrations increased during the WEPS sheet forming, the drainage of hardwood pulp stock improved, while the drainage of softwood pulp stock deteriorated. Although the changes in retention and formation of hardwood pulp were minimal, significant improvements in the retention and formation of softwood pulp were observed. Specifically, in the case of hardwood pulp, introducing vibrations during vacuum dewatering delayed the initial consolidation of wet web and improved drainage without greatly affecting retention and formation. For softwood pulp, which typically has poor formation and high wet web density, introducing vibrations improved retention and formation but could lead to a decrease in drainage efficiency. Given that the traditional CSF values measured to predict pulp drainage efficiency are not suitable for representing drainage in actual papermaking machines, it was confirmed that comprehensive analysis of retention, drainage, and formation should be conducted by introducing vibrations during vacuum dewatering in laboratory-scale papermaking experiments simulating actual field conditions using WEPS.

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ABSTRACT
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
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