In order to enlarge the applied scope of hot-air-flow power plant system using solar energy

a new kind of hot-air-flow power plant relying on high buildings and using solar energy has been designed

the structure of said new type power plant being presented

and its ventilating air flow rate

energy conversion efficiency

economic behavior

and environmental benefit being analysed.The analysis shows that the new type power plant system has high feasibility in aspects of the principle and the structure

meanwhile

it can improve the quality of air incoming to the buildings

reducing the usage of high energy-consuming equipments

improving the micro-climate environment around high buildings

and enhancing the terraced utilization of energy source

being a useful supplement to the distributed energy system.