Heat-Recovery and Seed-Recovery Development Project: Scale Up to Large-Size System Report

摘要

In the MHD-HRSR combined-cycle plant, the heat recovery and seed recovery system (HRSR) is coupled to the MHD topping cycle which consists of the MHD combustor, the channel, super conducting magnet and the diffuser. In the HRSR system, a boiler is designed to recover the usable heat in the form of superheated steam and to collect the spent seed which condenses out of the flue gas as it is cooled down in the boiler. The boiler is a subcritical, drum type with pump assisted circulation. The heat absorption equipment in the boiler consists of the furnace, the superheaters, the intermediate temperature air heaters, the low temperature air heaters, and the economizer. A turbine-generator-condenser system is also designed to utilize superheated steam for power generation. The final solids removal will be done with an electrostatic precipitator. The combined process of preheating and oxygen enrichment of the combustion air will be utilized. The 300 MWt HRSR system that will form the basis of the design of the 20 MW test facility is described. Existing equipment and techniques in the boiler industry are applied to develop the conceptual design of the 300 MWt HRSR system. (ERA citation 06:027272)