Title:
【発明の名称】ガス・蒸気・組み合わせ過程のためのかっ炭精選法
Document Type and Number:
Japanese Patent JPH06504568
Kind Code:
A
Abstract:
The invention concerns a process for dressing brown coal for combined gas and steam processes in heat-generating installations. The aim of the invention is to achieve substantial reduction of the CO2? emission per useful effect unit by reduced use of fossil energy carriers; the devices for drying raw brown coal are to be connected to the heat-generating installation in such a manner that the energy of the exhaust vapours is fully utilized. To this end, raw brown coal is dried and dried brown coal is pyrolysed in two separate filled shaft reactors, but in direct succession; the drying reactor is heated indirectly with saturated steam and the pyrolysis reactor is heated indirectly with live steam (> 130 bar, > 500 C) from a steam boiler with a pressurized-fluidized bed combustor; the coke is conveyed from the pyrolysis reactor into the same steam boiler and the pyrolysis gas, from which the dust is removed in the reactor, is conveyed from the same steam boiler into an additional burner which raises the temperature of the fluidized bed exhaust gases.
Inventors:
Sparks, Stephen, Wilbaa
Diamond Technologies Company
Diamond Technologies Company
Application Number:
JP50412292A
Publication Date:
May 26, 1994
Filing Date:
February 13, 1992
Export Citation:
Assignee:
Kladel Bernd
International Classes:
C10F5/06; F01K23/06; F23K1/04; (IPC1-7): C10F5/06; F01K23/06
Attorney, Agent or Firm:
Mitsuyoshi Esaki (3 outside)