The biogas cogeneration unit uses biogas as engine fuel. At the same time of generating electricity, the waste heat of exhaust gas and cylinder liner water are recovered to generate hot water or steam, which can be used to provide hot water for daily use or to heat water for anaerobic fermentation tank to further improve biogas production.
The biogas cogeneration unit is composed of biogas engine, alternator, waste heat recovery system, control system and common base. The electricity generated can be used for both self-use and power grid. The high-temperature exhaust gas from the biogas engine at 550-600 C and the cylinder liner water at 80-90 C can generate 85-90 C hot water through plate heat exchangers and waste heat boilers for domestic hot water, winter heating or anaerobic fermentation tank.
1. Improving the comprehensive utilization rate of energy and reducing the cost of energy
Cogeneration systems are more efficient in generating electricity and heat and can significantly reduce costs. The heat generated can be used entirely for domestic hot water or heating, the electricity generated can be used for relevant engineering sites, and the surplus electricity can also be sent to the power grid, which can provide additional benefits and high independence in the volatile energy market.
2. Reducing Carbon Emission and Environmental Pollution
Cogeneration units can save up to 40% of primary energy and reduce carbon dioxide emissions by 60% compared with traditional power generation methods. Compared with other fossil fuels, carbon dioxide emissions from combustion are lower.
3. Compact structure, less space occupation
The compact structure allows the most efficient conversion of engine power and combustion heat into electrical and thermal energy. Integrated design, compact structure, reasonable layout, the space occupied by units in the building is minimized, while reducing the cost of installation and connection of units.
4. Intelligent control, simple operation and maintenance.
Heating and power output can be automatically adjusted, intelligent control technology. It can supply power synchronously with the power grid and automatically track the frequency of the power grid to ensure the safety of power supply.
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