This page contains a Flash digital edition of a book.
MINERALS


OIL & GAS POWER & INDUSTRIAL WEIRBULLETIN | MARCH 2011


Loy Yang B beater wheel


New solution reduces refurbishment time


Loy Yang B power station in the Latrobe Valley, east of Melbourne in Australia, generates 17 per cent of Victo- ria’s power using coal from the adjacent open cut mine. Weir Minerals service facility in Sale,


Australia carry out major refurbishment of up to 10 of Loy Yang B’s beater wheels every year.


The three metre high, 28 tonne beater


wheel performs a complex role of the coal delivery system, spinning at approximately 490 revolutions per minute within the mill and operating in temperatures between 320-400 degrees Celsius. The wheel pulverises the coal into fine dust particles which are blown into the boiler to fuel the furnace fire. Beater wheels need to be


changed regularly as a result of the harsh conditions they are exposed to during operation.


Manoeuvring the wheels on to transpor-


tation has been time consuming, lasting up to one hour. However, the team at Sale developed a new lifting system which has reduced the changeover period to only 10 minutes.


27


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32