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Dual Fuel Engines for Biogas CHP
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Dual fuel engines are selfignition engines after the diesel-functional procedure. To their function an admixture from up to 10% of fuel oil is necessary. The specific feature of the dual fuel engines is her ability to be able to react to fluctuating methane salaries between 50-70% in the biogas automatically with an achievement adaptation. Dual fuel engines have a high electric efficiency (greater than 37%) and own a high coolant temperature, what improves her CHP abilities. Dreyer & Bosse make for you co-generation sets with Dual fuel engines between 70 and 265 kW of electric achievement.
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Standard conditions according to DIN ISO 3046 (air pressure 1000 mbar, air temperature 298 K, humidity 30%)
Performance data for biogas HU = 5.0 kWh/Nm3, depending on several engines.
Performance data for other kinds of gas on request at Dreyer & Bosse.
Cooling water qualities according to engine manufacturer' s instructions.
Motor oil qualities engine according to engine manufacturer's instructions.
Efficiency data are subject to a tolerance up to 8 % due to permissible errors, varying basic conditions and fluctuations in the fuel condition.
In co-generation plants efficiencies of up to 80 % are attainable related to the primary energy. Which amount of heat can be used in detail, depends on the technical conception of the overall system.
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