Cogeneration technology
Gas turbines generate electricity through combustion of natural gas to produce high-grade electricity to meet the electricity needs of buildings. At the same time, the higher temperature heat energy emitted by the generator set can directly provide heating heating and provide domestic and sanitary hot water for the building; on the other hand, it can be used as a heat source for driving lithium bromide or ammonia absorption chiller. Cold water for air conditioning in summer. The lower grade thermal energy discharged from the absorption chiller can be used as a driving heat source for the liquid dehumidifier, that is, to provide heat energy required for regenerating the liquid desiccant, thereby forming a cold and heat electricity triple supply system. The system combines power generation and air conditioning systems into one system, integrates and optimizes a variety of equipment, and solves all the needs of building electricity, cold, heat, etc. The system can realize the cascade utilization and efficient conversion of terminal energy to avoid long-distance transmission. And the distribution of losses, so that the total efficiency of energy use from 25% to 35% of power generation, increased to 70% to more than 90%, significantly reducing building energy consumption. It effectively solves the contradiction between the gas company's summer gas supply surplus and insufficient winter gas supply, and the power company's summer power supply shortage and winter surplus.
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