Presentation is loading. Please wait.

Presentation is loading. Please wait.

ENERGY Audit By Ravindra M Datar Senergy Consultants (P) Ltd

Similar presentations


Presentation on theme: "ENERGY Audit By Ravindra M Datar Senergy Consultants (P) Ltd"— Presentation transcript:

1 ENERGY Audit By Ravindra M Datar Senergy Consultants (P) Ltd

2 Senergy Synergybetween Our expertise on conservation of energy & Your experience & knowledge of process, operations, plant engineering, etc. To Save Energy

3 Senergy Leading Energy Conservation Consultants in India Leading Energy Conservation Consultants in India Conducting Studies for past 20 years. Conducting Studies for past 20 years. One of the first auditor to receive ISO certification. One of the first auditor to receive ISO certification. Team of experts headed by a technocrat from IIT Team of experts headed by a technocrat from IIT Customer driven company with many repeat orders & orders form group companies Customer driven company with many repeat orders & orders form group companies

4 Senergy Empanelled with Maharashtra & Gujarat Governments (MEDA & GEDA) Empanelled with Maharashtra & Gujarat Governments (MEDA & GEDA) BEE certified auditors BEE certified auditors Customer base of over 450 industries Customer base of over 450 industries Contributing Rs 50 crores/year, towards conservation of energy Contributing Rs 50 crores/year, towards conservation of energy

5 Senergy Interactive studies. Interactive studies. Practical & Realistic Suggestions. Practical & Realistic Suggestions. Turnkey Consultancy during Implementation. Turnkey Consultancy during Implementation. Long term services for Sustainable Savings & Continuous Improvements. Long term services for Sustainable Savings & Continuous Improvements. Basic & Advanced Training Programs. Basic & Advanced Training Programs.

6 Few of our clients Sterlite Industries Ltd Sterlite Industries Ltd South Seas Distillery South Seas Distillery Excel Industries Ltd Excel Industries Ltd Century Enka Ltd Century Enka Ltd Century Rayon Century Rayon Asian Heart Hospital Asian Heart Hospital Essel World Essel World EBG India Pvt Ltd EBG India Pvt Ltd Aarti Drugs Ltd Aarti Drugs Ltd Emco Ltd Emco Ltd PepsiCo India Ltd PepsiCo India Ltd ICI Ltd ICI Ltd USV Ltd USV Ltd Allana Industries Ltd Allana Industries Ltd Tata Chemicals Ltd Tata Chemicals Ltd Schenectady Herdillia ltd Schenectady Herdillia ltd Hindustan Lever Ltd Hindustan Lever Ltd Nicolas Piramal India Ltd Nicolas Piramal India Ltd Wyeth Lederle Ltd Wyeth Lederle Ltd DGP Hinoday Ltd DGP Hinoday Ltd GTC Industries Ltd GTC Industries Ltd M S E B M S E B Whirlpool of India Ltd Whirlpool of India Ltd Pidilite Industries Ltd Pidilite Industries Ltd Sachivalay – Gujarat Sachivalay – Gujarat Wochkhardt Ltd Wochkhardt Ltd

7 Instruments Ultrasonic non-contact type flow meters for liquids Ultrasonic non-contact type flow meters for liquids Harmonic analyzer Harmonic analyzer Clamp-on type power / energy meters Clamp-on type power / energy meters Anemometers – to measure velocity of gases Anemometers – to measure velocity of gases Digital Manometer Digital Manometer Tachometers – Contact / Non-contact type Tachometers – Contact / Non-contact type Digital thermometers for liquid / surface temperature Digital thermometers for liquid / surface temperature Lux meter Lux meter Combustion Gas Analyzer Combustion Gas Analyzer Pressure Gauges Pressure Gauges Digital Hygro-temp Meter (for Temp & RH measurement) Digital Hygro-temp Meter (for Temp & RH measurement)

8 Energy Audit 1. Specific Energy Consumption 2. Targets & Benchmarks 3. Unaccounted Consumption 4. Equipments Performance 5. Distribution System 6. Utilization 7. Recovery from Waste Energy 8. Cost of Energy 9. Renewable Energy 10. Energy Monitoring

9 Specific Energy Consumption Specific Energy: Energy consumed per unit output. Specific Energy: Energy consumed per unit output. It is the Key performance assessment tool for every energy consumer. It is the Key performance assessment tool for every energy consumer. Collect the details on Collect the details on –Total production –Power consumption – SEB & Captive –Consumption of each type of fuel –Cost of each type of fuel

10 Specific Energy Consumption

11

12

13 Targets & Benchmarks Benchmark is the desired or targeted consumption of energy or specific energy consumption. Benchmark is the desired or targeted consumption of energy or specific energy consumption. The benchmark values are set based on The benchmark values are set based on Theoretical Calculations Theoretical Calculations Specifications by equipment / plant supplier Specifications by equipment / plant supplier Best achieved in the same plant Best achieved in the same plant Best achieved in the similar industry. Best achieved in the similar industry.

14 Specific Power Consumption for Office Premises Case Study: 343 kWh/M 2 /Year Wipro :190 kWh/M 2 /Year ITC :125 kWh/M 2 /Year CII :70 kWh/M 2 /Year

15 Energy Accounting & Un-accounted Consumption Prepare break up of consumption for each form of Resources energy by Prepare break up of consumption for each form of Resources energy by –Computing consumption of the respective area / equipment. –Noting down operating period. –Take data from various sub-meters Compare total consumption as estimated above with actual consumption to ascertain Compare total consumption as estimated above with actual consumption to ascertain –Unaccounted or Miscellaneous portion of the consumption Analyze consumption pattern Analyze consumption pattern

16 Energy Accounting / Balancing

17 Equipment Performance Compute performance of all the equipments by measuring Compute performance of all the equipments by measuring Actual Output Actual Output –Flow, pressure, refrigeration effect, FAD, etc. Specific Energy Consumption Specific Energy Consumption –kWh/TR, CFM/kWh, Steam to fuel ratio Efficiency Efficiency –Pump, boiler, thermopac

18 Performance of the Machines

19 Specific Power Consumption : AC

20 Norms: Specific Output - Air Compressor

21 Distribution System Heat Loss – Hot Insulation, Surface Evaporation Heat Loss – Hot Insulation, Surface Evaporation Heat Ingress – Cold Insulation, Openings in AC area Heat Ingress – Cold Insulation, Openings in AC area Leakages – Compressed Air, Thermic Fluid Leakages – Compressed Air, Thermic Fluid Pressure Drop – Pumping Systems, Compressed Air Pressure Drop – Pumping Systems, Compressed Air Power Loss – Electrical Systems & Cabling Power Loss – Electrical Systems & Cabling

22 Utilization Over / Under Sized Equipment Over / Under Sized Equipment Pumps, boilers, air compressors Pumps, boilers, air compressors High Grade Energy for Low Grade Applications High Grade Energy for Low Grade Applications Compressed air for cleaning, brine in place of chilled water Compressed air for cleaning, brine in place of chilled water Unwarranted & Rigid Specifications. Unwarranted & Rigid Specifications. Stringent Process Conditions Stringent Process Conditions

23 Recovery of Waste Energy Recovery from Flue Gas Exhaust Recovery from Flue Gas Exhaust Preheat water, combustion air, product Preheat water, combustion air, product Recovery form Hot Effluent Recovery form Hot Effluent Preheat water or process fluid Preheat water or process fluid Process Energy Optimization Process Energy Optimization Pinch Analysis to optimize heating & cooling load Pinch Analysis to optimize heating & cooling load Condensate Heat Recovery Condensate Heat Recovery Low Pressure Flash Steam, condensate Low Pressure Flash Steam, condensate

24 Cost of Energy Avail Maximum Tariff Concessions & Benefits Avail Maximum Tariff Concessions & Benefits Unity PF, Night Operation, Bulk Discount, Bulk Purchases Unity PF, Night Operation, Bulk Discount, Bulk Purchases Switchover to cheaper Fuel Switchover to cheaper Fuel Electrical to fuel heating. FO to Coal for Boiler, thermopac. FO to Producer Gas for furnaces. Electrical to fuel heating. FO to Coal for Boiler, thermopac. FO to Producer Gas for furnaces. Co-generation Co-generation Heat Recovery from engine exhaust / cooling. Steam based co-generation Heat Recovery from engine exhaust / cooling. Steam based co-generation

25

26 Renewable Energy Solar Heating Applications up to 80 o C Solar Heating Applications up to 80 o C Wind Mills Wind Mills Fuel From Organic / Agro Waste Fuel From Organic / Agro Waste Methane from Effluent Methane from Effluent Fuel from Municipal Waste Fuel from Municipal Waste

27 Energy Monitoring Overall Monitoring of Energy as well as Specific Energy Consumption Overall Monitoring of Energy as well as Specific Energy Consumption Key parameters for all the major equipments Key parameters for all the major equipments Cost of Energy Cost of Energy Power Factor, Maximum Demand Power Factor, Maximum Demand

28 Case Study - I Specific Energy Consumption

29 Process Waste Ice 8.5 TPD Ch Water 11 0 C Effluent 12 0 C To E T P 300 m3/DAY To E T P 300 m3/DAY Fish, laced with ice is received in trucks from various places. The ice is removed and thrown in common pit and fed to ETP Chilled Water is used for washing the fish. The Chilled Water is collected in a common pit and fed to ETP. On an average 300 M3/hr of water is chilled from 30 to 10 Deg C. Original System: 1400 TR of Load per day Case Study - II Heat Recovery from Waste Stream

30 Plate Type Heat Exchanger Waste Ice 8.5 TPD Fresh Water 30 0 C 221m 3 /day Ch Water 11 0 C 25 0 C E T P Effluent 12 0 C m 3 /day 1250 TR / 221 M 3 /day 13 0 C Reduction in refrigeration load: 82% Reduction in refrigeration load: 82% Process Chilled Water System (1400 TR) Case Study - II Heat Recovery from Waste Stream

31 Case Study - III Condensing Turbine Thermal Efficiency of the system depends on Steam temperature & pressure at the inlet of turbine. Steam temperature & pressure at the inlet of turbine. Steam temperature & pressure at turbine outlet Controlled by Cooling Water Temperature. Steam temperature & pressure at turbine outlet Controlled by Cooling Water Temperature. 12% Addition Power through rationalization of Cooling Water System 12% Addition Power through rationalization of Cooling Water System

32 Case Study - III Condensing Turbine

33

34 Flow Rate / Efficiency is greatly influenced by Discharge Pressure. Discharge Pressure. Pump Conditions Pump Conditions Suction Pressure. Suction Pressure. 20 to 50% Energy Savings through rationalization of Suction & Discharge Pressures 20 to 50% Energy Savings through rationalization of Suction & Discharge Pressures Case Study - IV Pumps, Fans & Blowers

35 Variable Speed based Control

36 ThankYou!


Download ppt "ENERGY Audit By Ravindra M Datar Senergy Consultants (P) Ltd"

Similar presentations


Ads by Google