ORC High Temperature

When do you implement an ORC HT unit? A high temperature ORC is powered by excess heat with a temperature between 105°C and 135°C. One of the many applications is condensing low pressure waste steam. Higher efficiencies can be obtained by using extra internal heat exchangers.

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ORC High Temperature Cooling Circuits

This ORC type ideally works with a cooling circuit at temperatures of 30°C to 40°C. According to the temperatures at the hot water circuit, the cooling water can be increased to 60°C.

 

Heat source inlet temperatures 105 - 135°C
10ft container ≤ 1.5MWth
20ft container ≤ 3MWth
Recuperators (internal heat optimization) Optional
Direct air cooled condensers Optional
ORC cooling for heating purpose (CHP mode) ≤ 60°C
Off-grid integration (island mode) Optional
Double grid connection
(grid consumption and grid injection separated)
Optional
Range of net efficiency 6.5 – 10.5%
Capacitor bank Optional
MACHINE SIZE 10ft machine 20ft machine
OPERATING PARAMETERS
Range of thermal input 0.5 – 1.5MWth 1.5 – 3MWth
Range of installed electric power 90 – 160kWe 90 – 355kWe
Efficiency 6.5 – 8% 6.5 – 10.5%
Noise level at 10m < 90dB < 75dB
Heat source Hot water, Steam, Thermal oil
Cooling system Closed loop water cooling, Wet cooling tower, Direct air cooled condenser
Required utilities Instrument air (≥ 6barg)
CONFIGURATION INFORMATION
Standard flange connections DN150 PN16 DN150 PN16 or DN200 PN16
Expander E-RATIONAL single screw expander
Generator type Asynchronous – 2 pole – 3 phase – 380-460VAC
50Hz – 3000RPM
60Hz – 3600RPM
Standard heat exchangers Copper brazed AISI plate heat exchangers
Pump Multistage in-line centrifugal pump
Control system Siemens PLC + Siemens operating panel
Housing IP32: Suitable for indoor IP55: Suitable for outdoor
Machine weight 6 ton 25 ton
Applied EU-norms Machine directive 2006/42/EG
EMC directive 2004/108/EG
Low voltage directive 2014/35/EG
PED 2014/68/EU

 

Details

Download a PDF with details on size, maintenance area, connections, etc.:

  ORC LT ORC HT ORC UHT
Heat source inlet temperatures 85 - 115°C 105 - 135°C 130 - 175°C
10ft container ≤ 1.5MWth ≤ 1.5MWth ≤ 1.5MWth
20ft container ≤ 3MWth ≤ 3MWth ≤ 3MWth
Recuperators (internal heat optimization) N/A Optional Optional
Direct air cooled condensers Optional Optional Optional
ORC cooling for heating purpose (CHP mode) ≤ 45°C ≤ 60°C ≤ 95°C
Off-grid integration (island mode) Optional Optional Optional
Double grid connection
(grid consumption and grid injection separated)
Optional Optional Optional
Range of net efficiency 5 – 8% 6.5 – 10.5% 6.5 – 10.5%
Capacitor bank Optional Optional Optional