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Analysis of Advantages and Disadvantages of Centralized Cooling and Decentralized Cooling in Refrigeration System
1. Centralized cooling type
The main machines and equipment of the refrigeration unit are installed in a specific machine room on site. Connect the liquid supply, return pipeline and the cooling equipment of each warehouse, which is called centralized cooling mode. At present, China's cold storage are generally used in this way of cooling.
The advantage of centralized cooling is that a set of refrigeration equipment can supply cold to different cooling facilities such as cold processing, refrigeration and ice making at the same time. Cold can be adjusted to each other, flexible distribution, so the utilization rate of machinery and equipment is high. Its disadvantage is that the construction period of cold storage is long and the construction cost is high; the efficiency of refrigeration equipment depends not only on the design level, but also on the quality of installation technology; when the heat load of a warehouse fluctuates, it will affect the stability of other warehouse working conditions.
2. Decentralized cooling type
The refrigeration machines and equipment are assembled into a compact and efficient fully automatic refrigeration unit in the manufacturing plant. After the completion of the cold storage, the complete set of equipment will be directly installed in the cold storage's Sichuan hall, platform and other places. As long as the water and electricity are connected and the air supply duct is installed, it can be put into operation. Generally, a refrigeration unit is responsible for cooling a warehouse. Therefore, each warehouse is an independent refrigeration system, mutual non-interference, accurate temperature control, and greatly simplifies the workload of on-site installation, so that the cold storage construction cycle is shortened. The disadvantage is that the refrigerating capacity of each refrigeration unit can not be adjusted to each other, and the utilization rate of the equipment is low.
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The main machines and equipment of the refrigeration unit are installed in a specific machine room on site. Connect the liquid supply, return pipeline and the cooling equipment of each warehouse, which is called centralized cooling mode. At present, China's cold storage are generally used in this way of cooling.
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