TAPPI 2013 - AFT POM

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Mr. Jukka Helin Company Introduction w

AFT Aikawa Fiber Technology

POM System - 濕端精簡系統 POM

WL

2013/11/6 Acknowledgements

1994 成立

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Finnish Innovation Prize

> Compact Wet End System

1997 POM compact short circulation

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Wallenberg Prize

> Screening

1999 Complete system

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TAPPI Harris Award

> Stock Preparation

2003 InnoFinland

-60% Grade change Time

2004 MWP Marcus Wallenbreg Prize

-75% Wet end Breaks

2006 Part of Aikawa Group

- 20% Wet End Energy Resuction

2013 80+ References over the World

- 50% Wash-up Frequency -50% Chemical Usage

3% ~ 10% Overall Improvement

+100% white water dearation

POM System Principles POM System w

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Machine Chest & Mixing Chest

Air/gas short circulation

Gas removal right after wire section

No flotation of dirt and pitch on air bubbles

網部後立即移除氣體

Less microbiological activities

> replaced by POMix w

WW PIT2, Reject Tank, Reject from Screen

Less flocs, less pulsations w

> POM Header w

Close process with fast recycling

No tanks with open surfaces to collect pitch and di

封閉式及快速循環之流程

Smart white water fractionation saving fivers and fi

WW PIT, Seal PIT > POMp and POMlock

KEY : Make the system compact by removing Gas on earlier stage

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Compact dimensioning

Minimal space requirement and fast flow speeds,

簡潔空間設計

which clean up the pipes

Faster, More Accurate, Cleaner, Stabler


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