Power consumption distribution in a TMP refiner:: comparison of the first and second stages

被引：0

作者：

Illikainen, Mirja ^{[1
]}

Harkonen, Esko

Ullmar, Mats

Ninimaki, Jouko

机构：

[1] Oulu Univ, Fibre & Particle Engn Lab, Oulu, Finland

[2] UPM Kymmene R&D, Lappeenranta, Finland

[3] Metso Paper, Sundsvall, Sweden

来源：

TAPPI JOURNAL | 2007年 / 6卷 / 09期

关键词：

D O I：

暂无

中图分类号：

TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];

学科分类号：

0805 ; 080502 ; 0822 ;

摘要：

Wood chips are broken rapidly into coarse pulp in the breaking zone in the feed of a first stage TMP refiner. In a second stage refiner the breaking zone is removed, because the feed is coarse pulp discharged from the first stage refiner. We studied the power consumption in a second stage refiner and calculated the power consumption distribution for the first and second stages. The results show that the power consumption in a second stage refiner increases along the radius, while in a first-stage refiner, the distribution is more even. The innermost part of the second stage refiner seemed to work with a very low energy consumption, compared with the outer parts.

引用

页码：18 / 23

页数：6

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