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Valmet IQ Steam Profiler

Valmet IQ Steam Profiler (IQ Steam Profiler) is the highest efficiency steam profiler family to increase production capacity, decrease energy consumption and improve moisture profile.

IQ Steam Profiler is a multi-zone steam actuator system that provides unique profiling accuracy through its electromechanical actuator with position feedback. It features advanced steam injection technology that maximizes steam absorption efficiency and temperature increase, providing very high dryness after the press.

Valmet IQ Steam Profiler for tissue

  • Steambox design and installation position depends on the machine concept
    • Curved against suction roll
    • Flat against suction box
  • Fiber build-up is minimized by patented design
  • Heated cover and insulated design ensures dripping free operation
  • Automatic cleaning shower reduces the need of manual washing

Easy and safe cleaning with an optional cleaning shower

  • Design of IQ Steam Profiler prevents fiber build-up
    • Structure and position of the beam
    • Diffuser plate design
  • Automatic washing will clean entire diffuser plate
    • Washing sequence executed in every sheet brake, blade change or whenever needed
    • No manual washing needed
    • Clean surface and internals will ensure optimum performance
  • Location and design specified case-by-case

 

Valmet IQ Steam Profiler effect on hood gas consumption

Effect of Valmet steam profiler on hood gas consumption

Hood gas consumption increased after IQ Steam Profiler shut from 740 Nm3/h to 882 Nm3/h

 

Valmet IQ Steam Profiler effect on moisture CD profile 2-sigma

Effect of Valmet steam profiler on moisture profile 2-sigma

Moisture CD profile 2-sigma increased after IQ Steam Profiler shut from 0.82% to 1.7%

 

Valmet IQ Steam Profiler effect on hood temperature

Effect of Valmet steam profiler on hood temperature

Hood temperature increased after IQ Steam Profiler shut:

  • Wet end 442°C to 475°C
  • Dry end 442°C to 495°C

 

Lowered gas consumption and improved energy efficiency with a new steam profiler at Metsä Tissue Mänttä Mill

In addition to better cleanliness, the results with Valmet IQ Steam Profiler include lower Yankee hood gas consumption and improved moisture CD profiles at Metsä Tissue Mänttä Mill in Finland PM10.