Significance of Co-ah technique for building energy supply industry in Beijing

Points out the problems of energy supply for buildings in Beijing, including lack of central heat sources and poor delivery capacity of heat network. Analyses the advantages of adopting Co-ah(Co-generation based absorption heat-exchange) technique in this region, including increasing the heating capacity by 30% for the existing six CHP plants in the city without reducing generating capacity through waste heat recovery; by reducing the primary network return water temperature, increasing the existing delivery capacity of heat network by 75%, in addition to greatly reduce the investment of pipe connecting the remote heat source around the urban areas; achieving district cooling based on this technology in summer, avoiding idling of heating-devices and increasing the potential of heat-driven district cooling by recovering waste heat.