It is an energy-efficient adsorption refrigeration system activated by low grade heat source such as waste boiler heat to solve problems of adsorbent, adsorption bed, heat transfer, system stability in the field of adsorption refrigeration, which mainly used in commercial, and industrial construction. The technology has the advantages of energy saving and environmental protection：Reduce the waste of low-grade energy and ensure refrigeration efficiency and Operational Reliability；Reduce energy consumption of building cooling by 50% ~ 80% and has distinct energy-saving effect.