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DDWT coal-refinement Schwarze Pumpe

The Technology

At the coal-refinement location Schwarze Pumpe VATTENFALL Europe Generation has etablished a pilot plant for dying raw lignite. The plant works as charged -steam fluidized-bed – drying (DDWT). The objective is the use of this technology in power-plant-units with CCS-technology, for which pre-dried lignite is used. The raw lignite which is already mechanically processed (chrushed and screened), is dying in a fluidized-bed driert, for the most part the deposition of the dry coal takes place through a bag filter.

The vapor is passed in a closed circuit and provides the inerting. The pilot plant at Schwarze Pumpe supplies the local CCS pilot plant with dry coal.

Automation System
  • PLC S7-300F as Fail Safe control
  • 2 WinCC stations
  • diverse ET200 am FU at Profibus DP
  • ASi Bus for the locally operating level
realized
  • 2007 – 2009
Scope of Work AVI
  • software, commissioning, service

 

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