Explosion-proof system design and test verification of performance laboratory for mechanical transport refrigeration units based on lower flammable refrigerant test
Taking R1234yf as an example,the explosion-proof upgrade and design of the test room and calorimeter box of the performance laboratory for mechanical transport refrigeration units are carried out,which mainly includes the selection of refrigerant moni-tor,the calculation of emergency exhaust air volume,the design of fresh air and exhaust air system,and the design of control system.The control logic and reliability of the explo-sion-proof system are verified by simulating the R1234yf refrigerant leakage inside and outside of the calorimeter box.The results show that the upgraded test bench has high re-liability,good safety,high operation efficiency and reasonable design,which can meet test and safe use requirements of lower flammable refrigerant.
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