| 摘要 |
In the production of mechanical pulp a refiner (defibrator) is driven by a steam turbine. The steam supply for the turbine comprises process steam generated in the refiner during the refiner action, which steam is passed through a reboiler and then superheated, in a superheater or economizer, before being supplied to the turbine. A boiler comprises a secondary source of steam and that steam too is introduced to the steam turbine, either directly or after passage through another turbine which powers an electric generator. The off-gases from the boiler may drive a gas turbine. All the components may be mounted on a train, and the gas turbine may power the locomotive for the train. The gas turbine can also power an air compressor providing compressed combustion air to the boiler. |
