ENERGY-SAVING STORAGE OF AGRICULTURAL PRODUCTS WITH USE OF NATURAL COLD Russian patent published in 2017 - IPC A01J9/04 

FIELD: agriculture.

SUBSTANCE: storage contains a cooled chamber buried in the soil, heat pipes, a fan, valves. The cooled chamber is made in the form of a central compartment filled with soil and a surrounding compartment with an inclined entrance for storage of products. In the central compartment there are evaporative parts of the heat pipes, and their condenser parts are located in an open-topped waterproof rectangular tank located above the central compartment. Two longitudinal opposite walls of the rectangular tank are thermally insulated, and to the lower edges of two other transverse non-thermal insulated walls of the rectangular tank, movable rolls of a heater are attached. A protective screen is located over the rectangular tank. Under the protective screen there are a refrigerating machine, a condenser with a reversible fan located above the central part of the rectangular tank in which the evaporator of the refrigerating machine is placed. An outdoor temperature sensor is installed in the open air. A water level sensor and a water temperature sensor, connected to the control unit, are installed in the upper and the lower parts of the rectangular tank.

EFFECT: increasing the duration of effective use of heat pipes.

1 dwg