Design of Air Thermal Recovery Experiment Device and Analysis of Thermal Efficiency

摘要

It was significant for energy save and environment protection that heat recovering high temperature and high humidity air directly discharged into the atmosphere.Based on high temperature and high humidity mine retention tower and return air fluid,the air heat recovery simulation experiment device was designed,and air heat recovery experiment was researched by using spray heat exchanger.Heat exchange efficiency was tested by experiment with certain water spray coefficient and different nozzle number,and experiment result that was error analysis and data correction through compared with theoretical analysis results.Result showed that the air heat recovery simulation device can recycle heat of air fluid stably,and rise temperature of spray cold water to about 15 0C.The heat exchange efficiency would be 90％ with certain water spray coefficient,which is basically identical with theoretical analysis.Energy saving effect of this device was remarkable with high heat exchange efficiency.