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IS 14860:2000 is the Indian Standard (BIS) for guidelines on fuel saving in vertical mixed-feed lime shaft kilns. This standard provides guidelines for conserving fuel in vertical mixed-feed lime shaft kilns. It covers the selection and preparation of raw materials and fuel, optimal operational parameters, and design aspects of the kiln to maximize thermal efficiency. The primary objective is to reduce energy consumption per unit of lime produced.
Guidelines on Fuel Saving in Vertical Mixed-feed Lime Shaft Kilns
Overview
Status
Current
Usage level
Specialized
Domain
Materials Science — Building Limes and Gypsum Products
! Maintaining a uniform size ratio between limestone and fuel is critical for even heat distribution and preventing segregation in the kiln.
! The ash fusion temperature of the fuel must be higher than the maximum operating temperature of the kiln to prevent the formation of clinker, which obstructs the flow of material.
! Regular monitoring of flue gas composition (O2, CO, CO2) and temperature is the most effective way to control the combustion process and optimize the air-to-fuel ratio.