SU1797453A3 - Device for storing agricultural products - Google Patents

Description

The invention relates to refrigeration and can be used for storing food, biological and other products at low temperatures.

A device for storing food is known, comprising a double-walled heat-insulated casing with compartments for storing food.

Such a device for storing food does not contain a device for forced circulation and ventilation of compartments, and food is stored in chambers with ineffective natural ventilation (convection) of air, which leads to deterioration during long-term storage.

It is also known a device for storing food containing a heat-insulated housing, fences with holes installed in the housing to form supply and exhaust air ducts, horizontal panels installed between the fences to form chambers for placing products, an evaporator and a fan attached to the housing.

The device is equipped with one-way ventilation of the chambers without air flow regulation in separate chambers. With such ventilation of the chambers, the temperature in them is maintained at the same level.

The disadvantage of this device is the impossibility to intensify the ventilation and cooling processes in the chambers and the impossibility of providing a long

1797453 AZ storage of products while maintaining their quality.

The aim of the invention is to provide an intensification of the ventilation and cooling processes of the chambers and to ensure long-term storage of products while maintaining their quality.

The goal is achieved by the fact that in a food storage device containing a heat-insulated casing, fences with holes installed in the housing to form supply and exhaust air ducts, horizontal panels installed between the fences to form chambers for product placement, an evaporator and a fan fixed to the housing, fences are located parallel to the side walls of the housing, the horizontal panels are installed to ensure contact with the fences and contain two perforated walls connected to form a cavity between them, while the holes in the fence of the supply air duct are made in the area of the panels location to communicate their cavities with the supply air duct. In addition, the device for storing food is equipped with a means for regulating the supply of air, made in the form of dampers fixed with the possibility of movement on the panels in the area of communication of their cavities with the supply air duct.

Such a constructive solution provides effective circulation and regulation of the air flow in the chambers by means of cavities and holes made in the walls of the panels and fences, as well as the installation of control dampers at the entrance to the cavities of the panels.

The drawing shows a food storage device.

The device contains the following main units and parts: insulated housing 1, fences 2 with holes 3 installed in housing 1 to form a supply air duct 4 and an exhaust air duct 5, horizontal panels b installed between fences 2 to form chambers 7 for placing products, fixed on casing 1 evaporator 8 and fan 9. Guardrails 2 are located parallel to the side walls 10 of casing 1, horizontal panels 6 are installed to ensure contact with guardrails 2 and contain two perforated walls 11 and 12 connected to form a cavity 13 between them, with holes 14 in the enclosure 2 of the supply air duct 4 are made in the area of the location of the panels 6 to communicate their cavities 13 with the incoming air duct 4. The storage device is equipped with a means for regulating the air supply 15, made in the form of dampers 16, fixed with the possibility of movement on the panels 6 in the zone connections and> cavities 13 with air supply House 4.

The food storage device works as follows.

Refrigerant, for example liquefied propane, is supplied to the refrigerant circuit 17 of the evaporator 8, where the liquid propane evaporates, taking away heat from the walls of the evaporator 8 and the air in contact with it. The cooled air from the evaporator 8, pumped by the fan 9, is supplied through the supply air duct 4 to the inlet 16 in the cavities 13 communicated with the supply air duct 4 through holes 14 made in the enclosure 2 of the supply air duct 4. From the cavities 13 formed in the horizontal panels 6, air through perforation of walls 11 and 12 enters chambers 7, where it cools and humidifies the products placed there, while the air in the chamber due to counter flows from the adjacent upper and lower panels 6 receives a swirl, turbulization of the flow, which ensures effective blowing and cooling of the product from all sides and also increases the ventilation efficiency of chambers 7, i.e. intensification of ventilation and cooling processes is provided, both of chambers 7 and the products placed in them. From chambers 7 through holes 3, air enters the exhaust duct 5 and then to the fan 9, and then the air circulation process is repeated. When the air passes through the supply air duct 4 and the outlet air duct 5, it is possible to remove heat flows coming from the outside through the walls 10 of the housing 1, which significantly improves and maintains the internal thermal (refrigeration) balance in the food storage device. The regulation of the air flow through the cavities 13 and chambers 7 is provided by means for regulating the air supply 15, which makes it possible to partially or completely block the inlet 18 in the cavities 13 by moving the flaps 16.

A technical solution in terms of the formation of chambers for placing products using perforated panels with cavities for supplying air to the chambers from two opposite sides, regulating the air flow by moving the dampers and 'interconnection of all structural elements of the device for storing products, provides an intensification of the ventilation and cooling process chambers and long-term storage of products while maintaining their required quality, which is confirmed by tests of prototypes made using the proposed technical solution.

The use of the proposed device for storing food, for example, in the food industry, household, medicine, etc. will significantly improve the quality

Claims (2)

Claim 1. A device for storing food, containing a heat-insulated body, fences with holes installed in the body with the formation of supply and exhaust air ducts, horizontal panels installed between the fences with the formation of chambers for placing products, an evaporator and a fan fixed to the body, for heating and tea due to the fact that, in order to intensify the ventilation and cooling processes of the chambers and ensure long-term storage of products while maintaining their quality, the fences are located parallel to the side walls of the stored products at low temperatures due to effective and stable thermostating and ventilation of the chambers with products, while due to the efficient use of cold and regulation of the air flow and, consequently, the cooling temperature in the chambers, cold losses and energy consumption are reduced during long-term storage of products. the housing, horizontal panels are installed to ensure contact with the fences and contain two perforated walls connected to form a cavity between them, while the holes in the fence of the supply air duct are made in the area of the panels location to communicate their cavities with the supply air duct. 2. The device according to claim. 1, characterized in that it is provided with a means for regulating the air supply, made in the form of dampers fixed with the possibility of movement on the panels in the zone of communication of their cavities with the supply air duct.