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Setubal project: Large scale trim handling

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The converting plant Trimvac separator, 5,3 diameters, is the largest build so far.
The converting plant Trimvac separator, with a diameter of 5,3 metres, the largest ever built.

Case: A Trimvac® trim handling system for a  new converting plant in Setubal Portugal.  

 


Requirements

The biggest requirement was a scalable and energy efficient solution. Another requirement was to minimize the pressure losses of the system and thus the energy consumption at Setubal’s new converting plant.

Scalability was essential due to the size of the converting hall and the large number of cut size and folio sheeters. Different sheeters have variable demands for trim handling.


Solution

A complete solution was provided by TM Systems, including a large scale Trimvac® system for the converting plant. It is the largest Trimvac® built to date, with a diameter of 5.3 metres.

One of the most important features of the Trimvac® system is that it does not disturb trim cutting at the sheeters. The tension of the trim can be adjusted to fit different production demands.

The duct sections such as t-connections, elbows etc. for the trim handling system had to be carefully designed in order to meet the requirement of minimising pressure losses and thus the energy consumption.

The width of the trim varies requiring different parameters for the branches. The longest distance from a sheeter to the Trimvac® separator is over 150 meters.

TM Systems also delivered a dry trim handling system for the commissioning period of the sheeters and for the periods when the machine is shut down and the pulpers are not in operation.

We also supplied a dust removal system for the sheeters.

During the Setubal project TM Systems delivered trim handling systems for 11 machines in total.


Benefits

A Trimvac® system for the converting plant typically  uses only one third of the energy consumed by a conventional dry trim handling system or a high vacuum trim handling system. The energy consumed per transported trim flow is the lowest ever built by TM Systems.

A Trimvac® also means low maintenance costs. The system has only one standard vacuum fan which does not require cutting knives which would require frequent maintenance. A Trimvac® system does not create cutting dust, thus minimizing the cleaning costs.

The Trimvac® trim system is a world wide leader in its field. The customer had already 10 years of experience of Trimvac® system at their Soporcel Mill, so it was safe to choose TM Systems’ Trimvac® for their new mill.


 

If you are interested, please contact:
KorvelaJani

Jani Korvela
TM Systems
jani.korvela@tmsystems.com
tel +358 2 419 5500

 

Filed Under: Pulp and Paper, References Tagged With: energy efficiency, energy efficiency in paper making, Pulp & Paper, Trim handling, Trim system, Trimvac, wet separator

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Our products and services

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Cases

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  • Mondi Syktyvkar HVAC: Less condensation, better working conditions via HVAC
  • Mondi Stambolijski Trim Handling: More efficiency needed, but no time for shut-down
  • Ilim Group Bratsk Heat Recovery: Less energy loss in Siberian conditions
  • Chinese Customer: Multiplying business
  • BillerudKorsnäs Skärblacka: PM9 Air system rebuild
  • Boliden Kevitsa: It can get cold in process rooms. HVAC helps.
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  • Setubal project: Large scale trim handling
  • Need more references? Not a problem!

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