TELL : +91 0 99 08 87 07 06

 Mcmed International ®: Largest Journal Publication in world

International Journal of Research in Mechanical and Materials Engineering

Volume 1, Issue 1, 2015
Mcmed International
International Journal of Research in Mechanical and Materials Engineering
Issn
XXX-XXXX (Print), XXXX-XXXX (Online)
Frequency
bi-annual
Email
editorijrmme@mcmed.us
Journal Home page
Recommend to
A Friend  | A librarian
Purchase
Purchase Issue
Abstract
Title
DESIGN AND FABRICATION OF EROSION PROTECTION SHIELD FOR BOILER TUBES AND ITS ANALYSIS
Author
K.Balamanikandasuthan1*, K. Arun2, Sharath Sekar Palam2
Email
suthanapatvit@gmail.com
keyword
Fly ash erosion, Boiler tube failure, Tube shielding.
Abstract
A major portion of the total electricity generated in our country is through thermal power plants using direct combustion of pulverized coal. The coal used in Indian power stations has large amounts of ash (about 50%) which contain abrasive mineral species such as hard quartz (up to 15%) which increase the erosion propensity of coal. The majority of forced outages of these thermal power stations are due to premature failure of vital components such as boiler tubes. Boiler tube failures (BTFs) represent the largest portion of availability loss in the fossil boiler industry at about 4%. Approximately 25% of all tube failures are due to fly ash erosion (FAE).Fly ash particles entrained in the flue gas from boiler furnaces in coal-fired power stations can cause serious erosive wear on steel surfaces along the flow path. Such erosion can significantly reduce the operational life of the boiler components. An understanding of these problems and thus to develop suitable protective system is essential for maximizing the utilization of such components. These problems can be prevented by either changing the material or altering the environment or by separating the component surface from the environment. Corrosion prevention by the use of coatings for separating material from the environment is gaining importance in surface engineering. In this paper, the use of tube shields for the boiler tube protection is studied and an analysis of different alloy materials for tube shielding is done by comparing its thermal property and a suitable material is selected.
Download Broucher
Back to Top >>>>