Energy Recovery

Whilst generating compressed air in the most efficient cost effective manner it is also worth considering ways to recuperate the wasted energy consumed from the compressed air process.

 

This can be achieved from either a simple air curtain utilising the waste heat to form space heating of an adjacent building, or recovering the heat from the oil in the form of hot water.

 

Up to 94% of the energy can be recovered with temperatures of up to 90 Deg C.

 

ER, reinventing warm water

 

The way to achieve the highest energy savings is to recover wasted energy through radiation losses by the use of heat recovery systems.

 

As much as 94% of the electrical energy used by an industrial air compressor is converted into heat and loss through radiation in the compression process. The remaining 6% is converted into compressed air heat losses. Therefore, a properly designed heat recovery unit can recover anywhere from 50-94% of this available thermal energy
(as low-grade heat) to heat air or water (up to 90°C or 140°F).

 

Pre-heated water can be used in the application process to reduce the use of traditional energy sources reducing the amount of CO2 emissions.

 

Features Benefits
Energy savings Reduction of external fuel inputs for the process & associated ancillaries (fans, pumps..)
One size fits all Standardization.
Stand-alone unit Simplified maintenance operations on compressor.
Control of ancillary equipment Optimize energy consumption in the complete compressor room.
Heat recovery Reduced impact on the environment.
Minimum footprint Easy installation because of reduced size.
Stainless Steel or copper brazed heat exchanger For optimal selection depending on your application.
Optional
Energy counter Shows exact energy saving from your ER with the possibility of connecting to your back office.
Extended connection kits Kit containing all required parts to cover the maximum connection distance of 6m.

 

Type GA, GA+
& (nominal
GA VSD
power)
Recoverable Energy Savings Heating Potential oil Reduce C02
kW hp kW hp (L) (Gal) (ton)
ER-S1 11 15 9 12 4.224 1.116 9.292
ER-S1 15 20 12 16 5.760 1.522 12.672
ER-S1 18 25 14 19 6.720 1.775 14.784
ER-S1 22 30 18 24 8.640 2.283 19.008
ER-S1 30 40 24 32 11.520 3.044 25.344
ER-S2 37 50 30 40 14.400 3.804 31.680
ER-S2 45 60 36 48 17.280 4.565 38.016
ER-S2 55 75 44 59 21.120 5.580 46.464
ER-S3 75 100 60 80 28.800 7.609 63.360
ER-S3 90 120 72 97 34.560 9.131 76.032
ER-S4 110 150 88 118 42.240 11.160 92.928
ER-S4 180 241 144 193 69.120 18.262 152.064
ER-S5 200 268 160 215 76.800 20.291 168.960
ER-S5 315 422 262 338 120.960 31.958 266.122

 

Type Low temperature rise
(△T = 10°C, 50°F)
high water flow
High temperature rise
(△T = 60°C, 140°F)
low water flow
l/min GPM l/min GPM
ER-S1 12 3.2 1.9 0.5
ER-S1 15 4.0 2.4 0.6
ER-S1 18 4.8 2.9 0.8
ER-S1 22 5.8 3.6 1.0
ER-S1 32 8.5 5.2 1.4
ER-S2 39 10.3 6.4 1.7
ER-S2 48 12.7 7.9 2.1
ER-S2 59 15.6 9.8 2.6
ER-S3 80 21.1 13.3 3.6
ER-S3 98 25.9 16.2 4.3
ER-S4 118 31.2 19.6 5.2
ER-S4 193 50.9 32.2 8.5
ER-S5 216 56.7 35.8 9.5
ER-S5 337 98.0 56.2 14.9

 

energyrecoveryimg

 

Type Part
numbers
Stailnless Steel
Heat Exchanger
Copper Brazed
Heat Exchanger
Canopy Dimensions
(LxWxH mm)
ER-S1 2230 0080 91 2230 0085 91 477x450x807
ER-S2 2230 0080 92 2230 0085 92 477x450x807
ER-S3 2230 0080 93 2230 0085 93 477x450x807
ER-S4 2230 0080 94 2230 0085 94 877x450x807
ER-S5 2230 0080 96 2230 0085 96 877x450x807