Geothermal-energy low-temperature grain storage system for grain store

Abstract

The invention discloses a geothermal-energy low-temperature grain storage system for a grain store in the field of refrigerating plants. The geothermal-energy low-temperature grain storage system comprises a shallow geothermal-energy collecting system for collecting geothermal energy, wherein the shallow geothermal-energy collecting system is connected with an energy conversion system; an output end of the energy conversion system is connected with a refrigerant circulating system; the refrigerant circulating system is connected with a storehouse; an intra-store ventilation system is arranged on the bottom part of the storehouse; and a grain flour circulation pipe is arranged on the top part in the store. According to the invention, the geothermal-energy conversion system is used for converting the geothermal energy into refrigerating energy for refrigerating grain in the grain store, so that the problems that the requirement of natural refrigeration on seasonality is high and the mechanical refrigeration is high in cost in the prior art are solved. The geothermal-energy low-temperature grain storage system is suitable to being used for refrigerating various grain stores.

Description

technical field [0001] The invention relates to a refrigeration device, in particular to a ground-energy low-temperature grain storage system. Background technique [0002] Low-temperature grain storage has a long history, and the methods to achieve low-temperature grain storage are generally natural low temperature, mechanical ventilation, low temperature supplemented by mechanical refrigeration, and mechanical refrigeration low temperature. Mechanical refrigeration and air-conditioning low-temperature grain storage has a history of about 40-50 years; at present, the technology of grain coolers has been widely used in Western Europe. The new storage warehouses in China generally adopt mechanical ventilation grain storage technology, mechanical refrigeration or air-conditioning low-temperature storage, which are mainly used to solve the problem of safe passage of rice, flour and other finished grains during summer. Its shortcoming is that traditional low-temperature grain s...

AI Technical Summary

Problems solved by technology

Its shortcoming is that traditional low-temperature grain storage uses low-temperature cold air for mechanical ventilation to cool down. Hydrochlorofluorocarbons are serious damage to the ozone layer and should not be used

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