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 |
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Details
Download a PDF with details on size, maintenance area, connections, etc.:
Reference Applications
Download reference applications:
- Penrith, UK - Biomass CHP (English)
- Hamyang, KR - Industrial_Waste_Heat (English)
- Lochmaben, UK - Biomass CHP Off-grid (English)
- Strasbourg, FR - Industrial Waste Heat (English)
Typical Applications
Typical applications for this machine type include:
| 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 |