THE YEAR-BOOK OF THE COKE OVEN - Coke Oven Managers ...

The damage of bridge pipes commenced from the early days ofcommissioning. The commissioning of Battery Nos. 7 and 8 startedtowards end of December 2007. There after sequentially other batterieswere commissioned in January 2008 (No.5 and 6), March 2008 (No. 3 and4) and May 2008 (No.1 and 2). The damage of bridge pipes started in themonths of January-February 2008 and the first replacement was done inoven No. 86 coke side (Battery#8) on 13.02.2008. It means that the damageof bridge pipe had commenced within a month’s time of firstcommissioning. During subsequent months replacement of damaged bridgepipes went on as follows: March 2008-3, April 2008-3, May 2008-6, June2008-7, July 2008-8, August 2008-5, September 2008-5, October 2008-7,November 2008-6, December 2008-10 and so on. Thus year wise bridgepipe replacements were: 2008-61 Nos. 2009-147 Nos. and 2010 (till July) -66 Nos. There was a time when bridge pipes became damaged within a fewdays of installation.Internal lining work of bridge pipe is in progress in coke oven plant