2. – Manufacture and Market Vapour Absorption Chillers
• Unlike electrical chillers, vapour absorption chillers are powered by
heat sources like steam, hot water, waste heat, natural gas and
other readily available low cost fuels.
– Established in 1984 in partnership with Sanyo
• 1988 – Technical Collaboration
• 1994 – Independent
– Presence
• 2 State-of-the-art manufacturing facilities in Pune (India) and
Zhejiang (China)
• More than 6000 installations across 70 countries
• Major markets include USA, Europe, India, Middle East, South East
Asia
• Extensive Global Service Network
About Us
3. Thermally Activated Technology
• Fuel Driven Chillers: 50 – 1600 TR
• Steam Driven Chillers: 50 – 3500 TR
• Hot Water Driven Chillers:
Low Temp: 10 – 1350 TR
Medium Temp: 50 – 2000 TR
High Temp: 50 – 3500 TR
• Multi Energy Chillers:
50 – 3500 TR without fuel firing
50 – 1350 TR with fuel firing option
• Hybrid Chillers: 25 – 500 TR (up to -40°C)
• Heat Pumps: 500 kW – 40 MW
• Chiller Heaters:
100-3500 TR Cooling
250 kW to 9 MW Heating
7. • To overcome all the detrimental effects of PG use, Thermax has
introduced a series of chillers which can give 1oC chilled water outlet
temperature.
• Sufficient care has been taken in the design to avoid freezing of water.
• As pure water is being used, optimum HTCs are observed in the chiller
and cost/ TR reduces.
• Also, , the recurring costs of glycol maintenance is avoided
• The pumping power requirement will also reduce
1oC Chiller : Glycol Free Operation
8. • To overcome all the energy losses of conventional IBT system,
Thermax has introduced a series of chillers which can give 1oC
chilled water outlet temperature.
• Since open Ice bank system were used there are lot of losses energy
and the compressor were running continuously consuming lot of
electrical energy.
• With 1oC water Chiller we can reduce these losses as the water can
go directly to the PHE for milk chilling or through closed Hot/cold
well circuit.
1oC Chiller : Reduce energy losses of
IBT System
9. • At Lower Chilled water outlet temperatures, LiBr is added to the refrigerant
circuit to avoid freezing
• The amount of LiBr to be added to the refrigerant circuit is governed by
depression in freezing point desired.
• LiBr amount added is continuously monitored and maintained during chiller
operation to ensure efficient running
• SS tubes are used in the Evaporator
• Chilled water flow meter is included as a standard feature
• The flow meter is used to monitor & control flow velocity in the tubes, the
flow is not allowed to go below 60% of rated flow there by maintaining
minimum velocity of water in tubes
1oC Chiller : An Overview of
Technology
11. A PLANT IN AP
(350,000 LPD Capacity)
(MILK, POWDER, PANEER, CURD, BUTTER, LASSI, BUTTER MILK &
ALLIED DAIRY PRODUCTS)
12. Utility Details
• Boiler : 3 TPH @10.54 Barg
4 TPH @ 17.5 Barg
• Fuel : Briquette, Wood, Coal
• Refrigeration System :
– IBT System : For Chilled Water Generation
» KC6 x 3 Nos. (150HP x 3 Nos.)
– Cold Storage : Maintain Room temp at 0~5 Deg C
» KC2 x 3 Nos. (40 HP x 3 Nos.)
– Deep Freezer : Maintain Room temp at -20 Deg C
» KC21 + HDI Frick
– IBT System : For Chilled Water Generation
» Steam driven Vapor Absorption Heat Pump- Chiller Heater
13. OPERATIONAL DETAILS
• KC6 x 1 No. – 18 Hours
• KC6 x 1 No. – 10 Hours
• KC2 x 3 Nos. – 72
Hours
• KC6 x 1 No. – 16-18
Hours
• 133 TR VAM – 22
Hours
BEFORE AFTER
14. Chilled water In
100CMH @ 5~7 Deg C
IBT TANK
PHE
Ammonia Vapor
AmmoniaLiquid
S W
Chilled water Out to Plant
100 CMH @ 1.0 ~2.0 Deg CW
Chilled water Out
100CMH @ 3.5 Deg C
Chilled water Out
100CMH @ 1~2 Deg C
W
W
S
Chilled water In
100CMH @ 5~7 Deg C
PHE
Ammonia
Vapor
AmmoniaLiquid
S W
Chilled water In
100 CMH @ 1.0 Deg C
OPTIONAL :
HOT WATER : 3,00,000 kcal/hr
Hot Water Inlet
30CMH @80/90 Deg C
Ammonia Liquid
For the Cold Room
IBT TANK
Chilled water Out
100CMH @ 1 Deg C
17. • HEAT SOURCE
• Dry Saturated Steam (3.0 – 10.0 bar.g)
• High temperature hot water (145 – 180 oC)
• Direct Fuel Firing (Gas/Oil/LPG/Propane)
• Exhaust Gas (275 – 600 oC)
• CAPACITY RANGE
• Cooling : 100 – 3500 TR
• Heating : 100 kW – 9 MW
High Efficiency Chiller Heater
18. • TEMPERATURE RANGE
• Cooling : -2 – 30 oC
Delta T : 30 oC max
• Heating : 30 – 90 oC
Delta T : 5 – 50 oC
• 23% saving in overall heat input
OR
40% saving on heat input for heating
High Efficiency Chiller Heater
21. High Efficiency Chiller Heater - Features
• Chiller and heater circuit are conjoined in a way that both are made mutually
interdependent.
• Easy controllability of vapor flow during various load conditions.
• Reduced Energy consumptions like Gas / oil /Steam etc, 40 % reduction in
Heating energy
• Reduction in CO2 emission.
• Heat rejection to cooling water is reduced results in reduction in make-up
water required for cooling tower
• As Chiller heaters use latent heat of refrigerant vapour, 75% of chilling capacity
can be attained as heating duty, as against electric chillers which use sensible
heat due to which only ~8-10% of chilling duty can be provided as heating
duty.
24. Capacity Chilled water Cooling water Heat source Hot water
TR
Temp profile I/L Temp Flow
8 kg
steam
Flow Temp profile Flow
°C °C m3/hr Kg/hr °C m3/hr
400 5-1 32 400 2884 80 - 85 184.7
Dairy- Uttar Pradesh
25. • Breweries require to cool and reheat their process fluids as per the requirement of the
manufacturing process.
• A Chiller heater has been supplied to a brewery for the same with a scheme as follows:
Capacity Chilled water Cooling water Heat source Hot water
TR
Temp profile I/L Temp Flow
8 kg
steam
Flow Temp profile Flow
°C °C m3/hr Kg/hr °C m3/hr
160.5 12-4 30 180 1030 75-90 25
CHILLER HEATER
Brewery- Aurangabad
26. • A similar scheme has been provided to a Coffee making plant in Hosur.
Capacity Chilled water Cooling water Heat source Hot water
TR
Temp profile I/L Temp Flow
8 kg
steam
Flow Temp profile Flow
°C °C m3/hr Kg/hr °C m3/hr
197 17-4 29.4 220 911 60-90 6
CHILLER HEATER
Coffee Making Plant- Hosur
