Energy saving control system for precooling cold store

Abstract

An energy saving control system for a precooling cold store comprises a store body and a control system. An air cooler and a cooling discharge pipe are arranged inside the store body. The energy saving control system is characterized by further comprising a refrigerant passage, a secondary refrigerant passage and an evaporator which are arranged outside the store body, the refrigerant passage is communicated with a first side passage of the evaporator to form a loop, a compressor and a condenser are serially connected to the refrigerant passage, a throttle element is communicated between the condenser and the first side passage, one end of the refrigerant passage is communicated with the condenser through a solution tank, and the other end of the refrigerant passage is communicated with the air cooler and the cooling discharge pipe. Compared with the prior art, the energy saving control system is significant energy saving effect, and energy can be saved by up to 20%.

Description

technical field [0001] The invention relates to a pre-cooler, in particular to an energy-saving control system for the pre-cooler, and belongs to the fields of mechanical refrigeration and storage and processing of agricultural products. Background technique [0002] Pre-cooling refers to the process in which food rapidly drops from the initial temperature (about 25-30°C) to the required refrigeration temperature (0°C-15°C). Pre-cooling is an effective measure to quickly remove field heat, inhibit respiration, maintain the freshness of fruits and vegetables, and extend the storage period. Practice has proved that the temperature of pre-cooled fruits and vegetables is uniform, the breathing intensity is small, and the storage quality can be maintained. However, the current pre-cooling warehouses often do not distinguish between the types and quantities of pre-cooling fruits and vegetables. Regardless of the amount of purchase, all cooling equipment is turned on. The cooling ...

AI Technical Summary

Problems solved by technology

The utility model pre-cooler uses a variable speed control mechanism to optimize the speed of the fan, which can greatly reduce the energy consumption of the fruit and vegetable pressure difference pre-cooler, and at the same time improve the quality of fruits and vegetables, but its energy-saving effect needs to be improved.

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