A phenomenological approach to solving fireside corrosion in energy from waste boilers (EFW) is discussed. Corrosion in two areas of the boilers; 1) the grate bars and 2) the superheater/generator bank region was investigated. High temperature corrosion and melting, forced a change from ductile iron grate bars to high strength, corrosion resistant, high melting point HN alloy grate bars. In the superheater/generator bank region an immediate fix to increasing tube life was to use sacrificial metal shielding. Corrosion probe studies, conducted in this investigation have provided information needed for extending the tube lives without extensive shielding.

Subject
Corrosion rate, Nickel based alloys, Tubes, Walls, Metal wastage, Metals, Shielding, Wastage, Boilers, Corrosion probes, Corrosion resistance, Alloys, Wastes
Keywords:
Energy from Waste, Boiler Stoker Grates, High Temperature Corrosion
© 1991 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1991
Association for Materials Protection and Performance (AMPP)
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