The RCL facility is located on a 42.5-acre site, in the Visakhapatnam Port Area. The site is approximately three kilometers from the deep water dock where GPC is discharged and export shipments of CPC are loaded. View of the Plant   Calcination   GPC is transported from the ship to the site by trucks and automatically inventoried on a 80,000 ton storage pad using a modern belt conveyor system and high capacity stacker/reclaimer. Segregated inventorying of various GPC qualities is maintained. From the storage area, GPC is retrieved by the reclaimer and fed into the crushing and screening station.   The crushed material is sent to one of four day bins, to allow a high degree of flexibility for blending different kiln feed stock. From the bins, the coke is fed into the rotary kiln on a controlled weight basis in the required blend. Such custom GPC blending enables the company to achieve a wide variety of product qualities (sulfur varying from 0.5% to 3.5%) as specified by aluminum smelter customers.   The rotary coke calciner, which is equipped with variable drive to meet the operational requirements, is a world-class model. Its production capacity is over 300,000 tons of CPC per year. To enhance performance, the calciner tube is equipped with rotating kiln-mounted tertiary air blowers and refractory lifters. These systems are known to improve production rates and CPC vibrated bulk density. An advanced distributed control system runs the entire operation under algorithms specifically designed for RCL. Rotary Kiln With Tertiary Air System     The feed stock is heated to a temperature of up to 1300°C in the kiln, which drives off the volatiles and moisture in the GPC. After calcination, the CPC goes into a cooler where water is sprayed to cool the material.The CPC from the rotary cooler is transferred to one of six CPC storage silos. Different qualities of CPC are segregated in each CPC silo. The storage silo outlets are specially designed to enable custom blending of various grades of CPC from the silos, as may be desired.   Distributed Control System   Customer CPC shipments are moved from the silos to a truck loading station. Trucks carrying export shipments are then moved directly to the assigned Visakhapatnam Port dock. Local Indian shipments are either directly sent by truck or bagged prior to shipment.   © Copyright 2007 RCL. All Rights Reserved.