IIT Madras

IIT Hyderabad

IIT Bombay

IIT Indore

IIT Gandhinagar

IIT Guwahati

IIT Ropar

Kotak - IIT Madras Save Energy Mission (KISEM)

Indian Institute of Technology Madras

EAR/23-24/KISEM/IITI-06/01

The subject plant is located in Pithampur district of Madhya Pradesh and falls under NIC Category-22112. This assessment was carried out by the IEAC Center, IIT Indore, during the course of the year 2023.

General Info

Principal Product

Rubber Tyre tubes, Curing bags and Flaps Manufacturer

Plant Area (Sq.ft)

30,000

No. of Employees

45

Production Hours

7,200

Annual Production

90,00,000

Annual Sales

Assessment Summary

Total Energy Costs(per year)

₹1,57,01,465

Total Recommended Investment(one time)

₹26,11,600

Total Recommended Savings(per year)

₹46,68,667

Energy Costs Calculation
Electricity (Grid)

Annual Usage

7,92,000

Unit

kWh

Unit Cost

₹9.4

Annual Cost

₹74,77,000

Electricity (solar)

Annual Usage

17356

Unit

kWh

Unit Cost

₹9.4

Annual Cost

Bio Coal

Annual Usage

1189000

Unit

Kg

Unit Cost

₹6.8

Annual Cost

₹ 8125000

Diesel

Annual Usage

1047

Unit

Litres

Unit Cost

₹95

Annual Cost

₹99,465

Total Energy Costs(per year)

₹1,57,01,465

Observations & Recommendations
CR - Compressor
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Overall air leakages are found to be high at different points of the circuitArrest air leakages regularly by conducting maintenance of compressed air system consisting of the plant, circuit and fittings.24,214₹2,23,494₹1,25,0007
Screw compressor 2 - unloading time is high due to varying pressure demandExisting screw compressor 2 could be retrofitted with a VFD drive and optimize power consumption according to actual pressure demand20640₹190507₹750005
Reciprocating Compressor 3 is unnecessarily used for short duration every day eventhough pressure demand is metSwitch OFF the Reciprocating Compressor (Comp 3) and operate Comp 2 alone48865₹451024
MT - Motors
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Efficiency and Loading of Induction Motors used in 6 inch Extruder is lowReplace 50 HP Induction motor with 50 HP IE3 Efficiency class Induction Motor12326₹113770₹10000011
Efficiency and Loading of Induction Motor used in Mixing Mills - 1,2 and 3 is lowReplace 3 Nos of 60 HP Induction motors with 30 HP IE3 Efficiency class Induction Motor32224₹297430₹22500010
Efficiency and Loading of Induction Motor used in Kneeder - 1,2 and 3 is lowReplace 3 Nos of 100 HP Induction motors with 60 HP IE3 Efficiency class Induction Motor55098₹508551₹3600009
Mechanical power transmission slip found to be slightly high in Kneeder 1 and Secondary ID FanReduce slippage in belt and pulley system through replacement of conventional V-belts with Cogged Vbelts and reduce motor speed using existing VFD2071₹19116₹100007
Energy loss in VFDs were found high in Boiler - Secondary ID FanReplace high power consuming VFDs with modern low loss VFDs and do maintenance of heat sinks in certain VFDs.2400₹22152₹2500014
CT - Cooling Tower
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
The Cooling tower is underloaded and effectiveness is found low.Improve range by reducing waterflow rate by switching OFF one pump, operating the pump using VFD and intermediate operation of fan14,903₹1,37,558₹20,0002
BR - Boiler & Steam Line
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Heat lost through leakages and non insulated surfaces of steam mains, Steam feeders and Condensate mains distribution lines - to Curing MachinesSeal the leak points and Provide thermal insulation at the high temperature surfaces and save fuel23,357₹1,59,526₹2,00,00016
Steam leakages are found at various points of the steam distribution systemArrest steam leakages. More attention to be brought to curing machine feeder lines2,95,688₹19,81,110₹25,0001
BR - Boiler & Steam Line
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Condensate recovery factor found 34% and condensate recovered through centrifugal pump flash steam not collected in proper systemcondensate recovery can be increased up to 85 % with flash steam1,37,799₹9,23,253₹10,00,00013
boiler operated at 14 bar pressure with rated capacity of 18.5 barRun boiler at 17 bar pressure and install PRV to get optimum pressure and increase steam quality15735₹105425₹30000035
DG - Diesel Generator
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Specific Energy Generated by the DG Set is very lowCarry out overall maintenance of the DG set to improve SEG and save fuel₹61,824₹30,0006
TR - Transformer
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Daily Energy Losses are high compared to standard similar rating TransformerCarry out overall maintenance and oil filtration of the Transformer8,979₹73,987₹15,0003
LT - Lighting
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Lighting used in the office and inspection areas are low efficiency T5 fluorescent tube lightsRetrofitting 6 Nos of Conventional Tubelights - 36 W T8 FTL with 20W LED Patterns346₹3224₹360014
Lights are switched ON at Extrusion, Splicing and Boiler Sections eventhough daylight is sufficientInstall more skylights and switch OFF 10 Nos of 150W LED industrial down lights1600₹13184₹1500014
FN - Fans
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Ceiling fans used in the office and inspection sections are inefficient conventional typeReplace 15 Nos of Conventional ceiling fans with BEE 5 Star Label BLDC ceiling fans1822₹19817₹4800030
HVC - Heating Ventilation & Cooling
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Air Conditioner used in the testing lab is old inefficient Window typeReplace 1 Nos of 1.5 TR Window AC with BEE 5 Star label Inverter Split AC775₹6567₹3500064