xindacool Refrigeration Equipment Origin Factory | Differences between Process Cooling and Cold Storage Refrigeration, Heat Exchange Temperature Difference, Defrosting Logic,

xindacool Refrigeration Equipment Origin Factory | Differences between Process Cooling and Cold Storage Refrigeration, Heat Exchange Temperature Difference, Defrosting Logic, Load Characteristics and Selection Considerations Core Conclusion: Process Cooling and Cold Storage belong to two different application scenarios. Their load characteristics and control logic are completely different. The cold storage units cannot be directly used for industrial process cooling. Cold Storage is mainly used for storing materials. The heat load comes from opening and closing of goods and leakage through the enclosure structure. The load is relatively stable; Process Cooling is aimed at production equipment and has a large amount of instantaneous impact heat load. The heat is released in a short period of time, and the load fluctuation can reach 2-3 times the rated cooling capacity. The evaporation temperature of cold storage is usually -10℃ to -30℃; Process Cooling is mostly in medium-high temperature conditions of 5-20℃, but the stability of the outlet water/outside air temperature is higher, and excessive temperature fluctuations directly affect product yield. The difference in defrosting logic is huge: Cold storage fan units frequently use electric heating or thermal vaporization for defrosting; Most industrial process cooling systems hardly need defrosting, and if the cold storage defrosting program is directly used, it will cause a significant temperature disturbance and interfere with production. xindacool process cooling units have a control logic that cancels frequent forced defrosting and focuses on ensuring constant temperature; Cold storage models strengthen defrosting, return oil, and low-temperature protection logic. Key Selection Reminder: Process Cooling must calculate peak impact heat load, and cannot only consider average heat load; Otherwise, the cooling capacity will be insufficient during high-temperature peak periods; Cold Storage mainly calculates enclosure heat transfer, goods heat, and fresh air load. The heat exchange temperature difference design value is different; The process cooling temperature difference is set smaller to ensure temperature control accuracy; Cold storage will select a larger heat exchange temperature difference to control equipment costs. Mixed Use Risk: Cold storage units used for process cooling will frequently trigger high-pressure alarms under impact load and have large temperature fluctuations; Process units used for low-temperature cold storage will have insufficient return oil and liquid protection capabilities, and the compressor failure rate will increase. Early communication to clarify whether it is process cooling or storage cold storage, and the factory will match the corresponding system solution. FAQ 1. Can the cold storage unit be directly used for process cooling? It is not recommended as the load and control logic do not match. 2. What is the main difficulty of process cooling? The instantaneous impact heat load and the high temperature stability requirements. 3. Does process cooling require frequent defrosting? Most medium and high-temperature process cooling generally does not require defrosting. 4. Is the selection based on the average heat load sufficient? Process cooling depends on the peak impact heat load. 5. Where does the load of the cold storage come from? The enclosure structure, goods, and new air intrusion through doors. 6. Are the heat transfer temperature differences of the evaporators the same for both? Process cooling usually selects a smaller heat transfer temperature difference.