The equipment appears to be running smoothly, but the power consumption remains high. High cold room power consumption in cold storage is a common problem for many cold storage users. Electricity costs account for over 50% of a chiller's daily operating costs, directly determining the profitability of cold chain projects. Therefore, improving system energy efficiency is essential to reduce cold room power consumption.
The main problems currently existing in cold storage are:
(1) Outdated equipment and technology, and extensive management. The peak of domestic cold storage construction was in the 1980s. However, the cold room built during this period generally had low automation, outdated equipment and technology, high energy consumption and low efficiency. These factors contribute to elevated power consumption. In terms of management, due to the influence of the state-owned system for many years and the long-term low energy prices, the management of enterprises was extensive. Most cold storages do not have energy consumption monitoring instruments. They also do not maintain energy records. As a result, energy consumption accounted for more than 30% of the cost of many enterprises.
(2) The design of some cold storages was not standardized, and there were many safety hazards. The lack of unified industry standards and special equipment safety technical files was a common phenomenon. The operators have not received professional training and are working without a license. Additionally, the managers have a weak sense of safety. This can lead to increased cold room power consumption due to inefficiencies.
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