L i f e  &  E n e r g y   A u d i t

                                                      210 ECOs
Boilers
ƒ   Increase steam output  through improved efficiency
ƒ   Install economizer in Boiler for preheating feed water
ƒ   Improve the efficiency of the boiler by soot blowing
ƒ   Installation of Air preheater to the boiler
ƒ   Convert the existing grate fired boiler to fluidized bed boiler
ƒ   Blow down loss reduction
ƒ   Usage of fuel oil additive for LSHS
ƒ   To modify Burner in Boiler to improve combustion efficiency
ƒ   Conversion of coal fired thermic fluid heaters to fluidized bed combustion heaters using bagasse
ƒ   Install variable frequency (VFD) for FD fan of Boiler ƒ Use coal after drying in sunlight
ƒ   Reduce of boiler pressure from 9.0 Kg/cm2 to 4.0 Kg/cm2
ƒ   Replacing the boiler with a 25/HR boiler
 
Steam Systems
ƒ   To provide separate line for condensate recovery
ƒ   Replace existing electrical heating system by steam heating
ƒ   Improve the efficiency of steam distribution system
ƒ   Improvement of Efficiency of the turbine
ƒ   Stop Steam condensate pump
ƒ   Attend to steam leaks in steam lines and valves
ƒ   Optimization of steam utilization
ƒ   Install the right Steam Traps

Furnaces
ƒ   Fuel efficiency Improvement in furnace
ƒ   Minimize the heat loss through the exhaust fans
ƒ   Replace present control panels by thyristor control panel
ƒ   Interlock Operation of Exhaust Blowers with Door openings in PCO & WDO
ƒ   Installation of Flux-maxiox in furnace oil supply line
ƒ   Use LPG as fuel instead of Town gas
ƒ   Improve the efficiency of dryer
ƒ   To keep usage of holding furnace to the minimum possible to avoid energy loss
ƒ   Shot Blast to remove the sand
ƒ   Install ladle preheating for furnace
ƒ   Loading the furnace to the full capacity
ƒ   Re-scheduling the batch operations of furnace
ƒ   Reduce the tapping temperature ƒ Minimize Pouring Time


Insulation & Refractory’s
ƒ   Insulate the pipeline and equipments
ƒ   Replace the existing refractory with ceramic wool ƒ To provide ceramic wool lining backed by rock wool
ƒ   Insulating the uninsulated pipelines
ƒ   Installation of polypropylene balls in the Electroplating baths
ƒ   Minimizing the heat loss through insulated surfaces
ƒ   Providing thermocole lid  just on the surface of the hot baths
ƒ   Insulate the bare steam lines in the identified areas
ƒ   Install Covers for tanks with Heaters
ƒ   Insulating Furnace Wall
ƒ   Provision of lid for 2 T furnace and replace existing lid with Insulation in the barrels of all the Electrical heaters in Line A, B, C.
ƒ   To insulate the barrels of all the Electrical heaters in lines.

Co-generation
*     Replace the present condensing type turbine

Waste Heat Recovery
ƒ   Utilize the heat generated through incineration
ƒ   Operate the existing heat recovery system in Pot concentrator furnaces for recovering the waste heat

Thermic Fluid Heaters
ƒ   To reduce excess air in the exit gas
ƒ   Conversion of Electrically heated water baths
ƒ   Performance improvement of thermic fluid heater
ƒ   Conversion of electrical heating to thermic fluid heating
ƒ   Installing a boiler working on thermic fluid heating
ƒ   Improve the efficiency of Aquatherm
ƒ   Optimization of thermic fluid heaters

Cooling Towers
ƒ   Replace existing metal blades by FRP blades for C.T.’s
ƒ   Install automatic temperature controller in the cooling tower systems
ƒ   Centralization of utilities
ƒ   Saving by water quality management
ƒ   To install side stream fitters for Cooling Tower of power plant
ƒ   Install cooling tower for radiator cooling.

Water Treatment
ƒ   To revamp the existing cooling water treatment

Electrical Systems / Systems Study
ƒ   Install harmonic filters and suppress waveform distortion
ƒ   Install high-tension voltage stabilizer
ƒ   Reallocate the loading pattern of transformers
ƒ   Operate the two transformers in parallel
ƒ   To lay additional runoff cable from substation
ƒ   Install energy saver for welding transformer
ƒ   Load management of electrical energy requirements
ƒ   Improve the load factor
ƒ   Optimization of energy cost by using fuel additive in HSD
ƒ   Install 115 kVAR power factor correction capacitors
ƒ   Install low tension voltage stabilizer
ƒ   Use additive in lube oil
ƒ   Reduce DG Set Frequency to 48.5
ƒ   Reduce frequency of VFD of AHU
ƒ   Reduce cable loss by reducing drop in voltage
ƒ   Reduce Max demand
ƒ   Replace Defective Capacitors
ƒ   Optimization of UPS system
ƒ   Provide captive power generation to obviate losses
ƒ   Replace motor - generator sets with thyristor based welding sets
ƒ   Reduce voltage by 5% at transformer
ƒ   Use super kerosene as fuel for the DG sets
ƒ   Install energy saver for DG sets
ƒ   Improving the performance of DG set by fine tuning
ƒ   Install electrical meters for power delivery network
ƒ   Provision of capacitors across the terminals of A.C. welding transformers.
ƒ   Re-engineering of the power delivery network.
ƒ   Replace single welder type welding transformers with double welder type

Motors
ƒ   Install Auto Delta-Star Controller for under loaded motors
ƒ   Installation of soft starters for selected e quipments
ƒ   Replace fluid coupling drives by variable frequency drives
ƒ   Install variable speed drives for cooling blower
ƒ   To provide interlock system for the main mill section
ƒ   Replace V-Belt drives by Flat Belt Drives
ƒ   Replace Metal cooling fans of indicated motors by plastic fans
ƒ   Replace under loaded motors
ƒ   Install VSD for motor of pump
ƒ   Installation of cyclic load energy savers
ƒ   Install shunt capacitors across the terminals of induction motors
ƒ   Conversion of lightly loaded Delta conversion motors to permanent star connection
ƒ   Periodical motor load survey


HVAC & Refrigeration
ƒ   Replace the existing A/c units with VAM
ƒ   Utilize the waste heat for VAM
ƒ   Replace the window air conditioners by FCU’s
ƒ   Provide ventilation by roof extractors
ƒ   Install Mega saver units for air conditioning system
ƒ   Fix Sun Film Control For Windows
ƒ   Use 250 TR Unit Instead of Air Cooled 60 TR Units
ƒ   Optimize Operation of HVAC’s
ƒ   Install Conquest Energy Saver
ƒ   Reduce RPM of AHU Fans in the Office Building
ƒ   Install Loading and Unloading Mechanism for Chiller Compressors
ƒ   Install motorized dampers to the air conditioning ducts
ƒ   Install Energy Efficient Refrigeration Compressor
ƒ   Convert water cooled A/c to Air cooled A/c system
ƒ   Install Automatic Loading System in Refrigeration Compressor
ƒ   Provide false ceiling in all the sections of the plant

Pumps
ƒ   Optimization of Chilling Plant circulating pump operation
ƒ   Improve efficiency of Pump
ƒ   Operate two Pumps instead of three pumps
ƒ   Install Right Size Pump for Water Supply
ƒ   Install Lower Size Impeller for Water Pumps
ƒ   Reduce pressure drop in the water supply header
ƒ   To stop the Continuous Hardening Furnace Quenching oil pump
ƒ   Savings obtained by Lowering the Steam Pressure in the Boiler
ƒ   To optimize the cooling tower pump operation
ƒ   Segregate high and low water pressure users
ƒ   Erect overhead tank for water supply
ƒ   Install water level controller to over head tank
ƒ   Trim impeller of water pump
ƒ   Install VFD for the process pump
ƒ   Install soft starters for pumps

Fans and Blowers
ƒ   Replacement of Inefficient fans
ƒ   Performance testing of fans
ƒ   Interconnection of Blowers in the plant
ƒ   Replacement of inefficient blower
ƒ   Down size the Air Supply Blower
ƒ   Stopping of Exhaust Fans
ƒ   Reducing the Speed of Blower

SECTOR WISE
Cement Industry
ƒ   Saving by Reducing air flow in Kiln
ƒ   Saving by Reducing air flow in discharge circuit
ƒ   Speed reduction in Bag Filter fans
ƒ   To reduce the pressure drop the Preheater
ƒ   Arresting Air ingress by installing a Nose Ring Seal
ƒ   Conversion of Worm gear drives to Helical gear drives
ƒ   Conversion from Pneumatic Conveyor
ƒ   Elimination of Coal mill Booster fan
ƒ   Reduce the peak hour consumption by staggering running of raw mill

Textile Industry
ƒ   Replace Aluminium Blade by FRP blades for Humidification
ƒ   To provide False Ceiling for all the sections of the plant
ƒ   Installation of Solid State Controller for Ring Frames
ƒ   Use plastic type Aerofoil Louvers
ƒ   Changeover from Spray to Cell type air washer
ƒ   Reduce the Spindle Wharves Diameter in Ring Frame
ƒ   Use Synthetic spindle oil for all Ring Frames
ƒ   Use vacuum cleaner and eliminate use of compressed air
ƒ   Use pneumofil fans of aluminium
ƒ   Install Power Planner for Blow room
ƒ   Install Schlaforst 338 for auto coner Building and Commercial
ƒ   Provision of venetian blinds for  windows
ƒ   Install ‘Occupancy Sensor’ for Lighting in the Halls
ƒ   Replace the D/C driven motor of the lift by A/C drives
ƒ   Switching off the computers during lunch time
Fertilizer Industry
ƒ   Replace the feed conveyor by a duct in the DAP conveyors system Chlor Alkali
ƒ   Reduce electrical joint resistance


​Lighting Systems
ƒ   Replace incandescent lamps
ƒ   To utilize natural light by installing translucent sheets
ƒ   Install Photo Electric Controls to control artificial lighting
ƒ   Install solar energy systems
ƒ   To provide Reflectors in light Fittings
ƒ   Installation of Energy Saver in Lighting Circuit
ƒ   Replace Electromagnetic Ballasts by Electronic Ballasts
ƒ   Replace Standard Lamps by Compact Fluorescent Lamps
ƒ   Provide Day Light Switches to control lamps
ƒ   Replace Slim Tube Fluorescent Lamps by Philips Trulite
ƒ   Conversion to High pressure sodium vapour lamp
ƒ   Install Lighting Transformers In Lighting Feeders ƒ Switch Off Lights in Identified Areas
ƒ   Replace Filament Indication Lamps in Control Panels with LED Lamps
ƒ   Replace machine spot lights with CFLS
ƒ   Replace reflectors of tube light fittings
ƒ   Replace of 50 Nos. of FT lamps with LED lamps
ƒ   Balancing of electrical loads on 3 phase LT lighting feeder
ƒ   Reduce input voltage to the lighting loads
ƒ   Replace FT lamps with LED Lamps

Compressed Air System
ƒ   Reduce the temperature inside the compressor house
ƒ   Install Refrigeration dryers in Compressed Air System
ƒ   Saving by arresting Leakages
ƒ   Avoid use of compressed air for other purposes
ƒ   Replace single stage compressor by double stage compressor
ƒ   Use Transvector Nozzle for cleaning
ƒ   Interconnect Suction of Blowers
ƒ   Install Ejector instead of flash gas compressor
ƒ   Optimize compressed air by usage of Nitrogen and smaller rating compressor
ƒ   Stop 200 cfm Compressor
ƒ   Optimize the usage of compressed air
ƒ   To reduce the pressure loss in the compressed air pipe lines
ƒ   Reduce Compressed air Pressure
ƒ   Conversion of pneumatic conveying system to mechanical system for transportation of cement
ƒ   Change lube oil of the compressors by Shatex Syn lube compressor oil - XSE
ƒ   Conversion to electrical grinding