Purchase of recognized producers of cogeneration units Jenbacher, Wartsila, Horus, Rolls Royce, Man

We are interested in purchase of recognized producers of cogeneration units like: Jenbacher, Wartsila, Horus, Rolls Royce, Man:

Cogeneration unit with J620 gas engine from Jenbacher.

Technical data nominal parameters

- Power delivered in fuel: 7507 kW,

- Fuel type: network natural gas of the "E" group

- Fuel consumption: 790 Nm3 / h,

- Electric power: 3 359 kWe,

- Thermal power: 3,190 kW,

- Own electrical needs: 224 kWh / kWeh

- Thermal efficiency: 42.5%,

- Electrical efficiency: 44.7%

- Total efficiency (CHP): 87.2%

- Heated water circuit, internal circuits

- supply temperature: 70-75oC,

- outlet temperature: 100oC

- flow rate: 92-110 m3 / h

Gas engine;

- way of working: 4-stroke,

- V 600 design

- number of cylinders: 20

- rated speed: 1500 rpm,

- average piston speed: 11 m / s

- length: 5 542 mm

- height: 1 900 mm,

- weight (empty engine) 15,000 kG,

- operating weight: 16,000 kg

- direction of rotation (looking towards the flywheel): left

- starter power: 20 kW,

- starter voltage: 24 V,

Fumes

- exhaust gas temperature for nominal load: 3390C,

- wet exhaust gas mass flow: 19 668 kg / h,

- dry exhaust gas mass flow: 18,499 kg / h,

- wet flue gas stream: 15 543 Nm3 / h,

- dry flue gas stream: 14,090 Nm3 / h,

- maximum allowable back pressure at the outlet: 50 mbar

Combustion air:

- combustion air volume flow: 14 817 Nm3 / h,

- combustion air mass flow: 19 147 kg,

- max. permissible pressure drop on the filter: 10 mbar.

Generator

Producer: TD Power System Limited

- type: TD125-F2G7,

- power: 4 500 kVA,

- nominal power: 4 173 kVA

- power factor cosø: 0.85-0.95

- rated voltage: 6300 V

- voltage variation: ± 10%,

- frequency: 50 Hz,

- rated current: 382.4 A,

- rotational speed, nom .: 1500 rpm,

- rotational speed max. 1800 rpm,

- degree of protection: IP 23

- generator cooling: air

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1.Engine Type: CG 170-20 TURBOCHARGED

Producer: CATERPILLAR

- working method: four-stroke

- number of cylinders: 20

- engine displacement: 89 dm3

- rotational speed: 1500 rpm

- fuel: gas from mine methane drainage

2. Generator

- type: MJH 630 - MB4 Manufacturer: Marelli

Power: 2000kW

Voltage: 6300V

Frequency: 50Hz

3. Energy balance

Electric power: 2000kWel

Heat from engine cooling: 1000kW

Heat from cooling the mixture: 181kW

Heat from exhaust gases: 1080kW

Exhaust gas temperature: 455stC

Heat loss from the engine: 70kW

Heat loss from the generator: 56kW

Engine power input in fuel: 4600kW

Electrical efficiency: 42.8%

Thermal efficiency: 44.6%

General efficiency: 87.4%