Siemens, Combined Heat & Power Generation Plant, 1987 to 2011, 250 MW, 2 Units, 10.5 kV

Overview

1. Two identical units, each rated 125 mw electrical power and 145 mw heat transfer.

2. Permanently upgraded and in excellent condition.

3. Turbine will be re-installed by authorized service company for separate quotation.

4. New generator protection inside.

5. Preserved with dry air since shut down.

6. Able to modify for coal firing.

Steam Boilers

1. Two steam boilers by Babcock Benson.

2. Fuel: oil or gas.

3. Output: 365 to/h.

4. Pressure: 205 bar.

5. Temperature: 540 °c.

6. Fuel: gas or fuel oil.

Turbine

1. Turbine by Siemens, type condensing turbine.

2. Output: 2x 128 mw.

3. Steam flow: 365 to/h.

Generator

1. Generator Siemens.

2. Active power: 2x 128 mw.

3. Voltage: 10.5 kv.

4. Speed: 3,000 rpm.

Condenser and Pumps

1. Condenser by cooling water outlet.

2. Condensate pumps: 2 + 2 pumps.

3. Discharge quantity: 225 m³/h.

4. Discharge pressure: < 20 bar.

5. Feed water pump discharge quantity: 225 m³/h.

6. Feed water pump discharge pressure: < 20 bar.

Circulation

1. Straight condensing mode.

Auxiliary Equipment

1. All safety and control systems for full and safe operating.

Condition

1. Material tested during last revision 2010 – no material aging of critical parts.

2. Originally the boiler has been designed for coal and can relatively easy be converted to coal.

3. The waste incineration plant with a capacity of 40 to/h was transferred to a different location.

4. The main boiler was either used alone or in line with the incineration boiler which warmed the feed water.

5. It is possible to add another waste incineration system with a waste heating factor of 1-2,000 kcal/kg.