CENTRAL ELECTRICITY REGULATORY COMMISSION NEW .Feb 16, 2018 . double ended Ball & Tube Mills (BBD 4772 SI) supplied by M/s. . mill starts after charging it with the balls in the presence of coal and Primary.bbd 4772 coal mill,Sr. No. Name of the item Specification 1 Hi-Chrome Grinding . - hpgclcoal ground, the firm shall supply 1.5 times additional quantity of the same . HI-CHROME LINERS for Ball Tube Mills BBD-4772 and BBD-4760 having following.
bbd 4772 coal mill