A Note on Case Study Bulletins on Energy Management

Energy efficiency control system for boiler Heat recovery from hot water system of tyre curing system HT VFD for cooler ESP fan Provision of 2 bar compressed air line in place of 5 bar compressed air line Optimise the operation of cooling water pumps Replacement of electrical heating of Bin washing system with LPG heating Heat recovery from DG set jacket cooling water Combined modulation of ID fan suction vane and scoop CFD analysis and flow smoothening in PH down comer duct to reduce pressure drop Steam generation using solar parabolic collectors Replacement of inefficient VRM and cooler vent fans with high efficiency fans Replace Eddy current drive for cane carrier with VFD Biomethanation treatment of bagasse wash water Replacement of extraction cum condensing turbine with back pressure turbine Reduction in cooling water pump power consumption due to siphoning effect Conversion of triple effect evaporator with five effect evaporator Reduction in generating frequency in captive power plant during island mode Weight reduction of fixture used in heat treatment furnace Initiatives taken to reduce AC load Utilisation of solid waste generated in the process as boiler fuel Use of light weight spinning pot made of reinforced carbon fiber Modification of CS2 furnace for high productivity Installation of supply and demand side controllers for compressed air system Increase in cement production by dry flyash addition Installation of water spraying system in precalciner downcomer Reduction of lime stone reclaimer power consumption by controlling travel drive spe Installation of energy efficient hydrofoil agitators Modification in CO2 furnace to reduce steam consumption Flare gas recovery system in refinery Inlet air fogging system for gas turbine capacity augmentation Use of radiant recuperative heating in place of electrical heating Improvement in loading of paint shop Productivity improvement in banbury mixer Back flushing of intercooler and after cooler to improve performance of compressor Installation of VFD for reverse air fan Installation of VFD for chilled water and chilled brine pumps Elimination of coolant chiller & accessories in grinding machines Modification of vacuum jet ejectors to utlise process waste steam Usage of waste steam preheater for instrument air dryer regeneration Energy saving in after treatment dryer Installation of VFD for clear coat AHU fan Increase in clinker production by modifying width of the static flaps of classifier Utilisation of vent gases from VDU in furnaces Installation of electrostatic air filters in lieu of conventional air filters in DG Impeller reduction in main centrifugal air compressor Coal tar injection in blast furnace as alternative fuel Replacement of electrical vaporiser by ambient water vaporiser in LPG storage tank Modification of bloom pusher of reheating furnace Installation of hot air direct ducting system at base transceiver station Heat recovery from exo-gas system