Multicylinders drying

15 Courses / 6 hours
  • 6 Total hours
  • 15 Courses
  • Available languages : French, English & Spanish
  • Compatible with : computer, tablet & telephone
  • Internet access requested
  • Unlimited access for a year
  • Log in informations sent within 48hours
  • To learn the basics of thermodynamics and aeraulic concepts
  • To identify the fluids used, the facility set up and the regulations of the drying section
  • To control the wires and adjust their tension and conditioning
  • To adjust the parameters of the steam and the condensate networks, the aeraulics and the printouts according to the incoming paper, the paper produced and the energy costs
Target audience
  • Operators (from new to experimented), technicians and new comers engineers working in Paper/Board Industries
  • Technicians and new comers engineers working in related domain of Paper/Board Industries
List of courses

Generalities on drying (20mins)

- Water elimination cost
- Role of the drying section
- The different drying steps


Steam and condensates installations (25mins)

- Process components
- Role and location of the equipments in the drying section
- The different states of the water inside the process circuit


Ventilation installations (20mins)

- Ventilation process components
- Role and location of the equipments in the drying section
- Air properties at different locations in the process


Notions related to steam and condensates process (30mins)

- Thermodynamic notions
- Pressure notions
- The different types of steam


Flash steam circulation (20mins)

- The installations in details
- The different process of flash steam recirculation
- Water/Steam path in the process


The equipments of the steam and condensates circuits (30mins)

- Working principle of the equipments of the circuit
- Control parameters


Steam and condensates management (25mins)

- Management of the temperature, pressures, deltaP...
- Control loop of the steam and condensates
- Drying curves


Notions related to ventilation process (20mins)

- Definition of the different air humidities
- Absorption capacity
- Relations between the concepts


The equipments of the ventilation process (30mins)

- Description and working principle of the equipments
- Control parameters


Ventilation management (15mins)

- Air humidity management
- Ventilation control loops


The drying fabrics (20mins)

- Design
- Drying fabric characteristics
- Drying fabric paths


The good fonctionning of the drying fabric (15mins)

- Fabric guiding
- Fabric tension
- Fabric cleaning


Impact of the process on the drying section (25mins)

- Impact of fiber types
- Fiber composition
- Refining
- Sheet formation and pressing on the drying section


Parameters and drying section management (40mins)

- Drying parameters
- The draws
- Defects related to drying
machine management


Drying efficiency (25mins)

- Energy comsumption
- Energy recovery
- Drying section efficiency



Multicylinders drying (6 hours)

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