SU1617272A1 - Snow-making plant - Google Patents

Abstract

The invention relates to refrigeration engineering, in particular to the production of artificial snow, and can be used to produce snow in agriculture and other branches. The purpose of the invention is the expansion of technological capabilities by ensuring the production of snow regardless of the ambient temperature and the reduction of energy consumption. In the snow generator, the snow generation chamber 1 has a cooling jacket 18 formed by the evaporator 11 of the refrigeration unit. The water supply pipe 23 to the sprayer 17 is connected to the water circuit 15 of the condenser 13 of the refrigeration unit. The snow generation chamber 1 has a nozzle 2 for creating a fluidized bed and an air humidification section 10. Air is supplied to the humidification section 10 through the additional section 8 of the pipeline. The snow generation chamber 1 through cyclone 4 is connected to the inlet of the fan 5 and through the pipe 6 to the valve 7 to the outlet of the fan 5 with the formation of a circulation circuit. Cold ambient air can be supplied to the cooling jacket 18. In this case, the refrigeration unit may not work. 1 hp f-ly, 1 ill.

Description

The invention relates to refrigeration, in particular to a technique for producing snow on the day of agriculture and other industries.

The purpose of the invention is the expansion of technological capabilities by ensuring the production of snow regardless of the ambient temperature and the reduction of energy consumption.

Such a technical solution reduces energy consumption, since cold losses with exhaust air, the possibility of freezing of water and air sprayers are eliminated, and snow can be obtained with various properties due to the possibility of regulating air humidification. In addition, it becomes possible to obtain snow at low ambient temperatures with the chiller turned off.

The drawing shows a diagram of the proposed snow generator.

The snow generator includes a series-connected snow generation chamber 1 with a nozzle layer 2 located between the grids 3, to create a fluidized [snow separation cyclone 4 layer, fan 5, pipe 6 with valve 7 for supplying air to the generation chamber, section 8 of the pipeline with a valve 9 to supply air to the humidification section 10. The snow generator contains cooling means, which is a refrigeration unit with a series-connected evaporator 11, compressor 12, condenser 13, throttle valve 14, water circuit 15 for cooling condenser 13 with a bypass line 16. A water spray 17 is installed in the humidification section 10. Outside the generating chamber 1, an evaporator 11 is arranged, forming a cooling jacket 18. It is advisable when the cooling jacket 18 has a pipeline with a valve 19 for supplying atmospheric air with a fan 20 and an air exhaust pipe with a valve 21. The water flow in the humidification section 10 is regulated by bypass 22. The pipe 23 the water supply is connected to the water circuit 15 of the capacitor 13.

The snow generator works as follows.

Air is supplied by fan 5 through a pipeline 6 with valves 7 to the generation chamber 1 and through section 8 with valve 9 to the humidification section 10. The latter is irrigated with water from a nebulizer 17. The air that has passed the humidification section 10 is heated with water while moistening it with water vapor and small drops. The humidification section 10 may be made of a fluidized bed nozzle or of any known type and may operate in a foam mode. The humidified air at the outlet of the humidification section 10 is mixed with the cold air coming from the pipe 6 and sent through the grate 3 to the generation chamber 1 with the nozzle layer 2 cooled by the refrigerant in the jacket 18. As when mixing the air in front of the grate 3, and in the chamber In the 1st generation, snow is formed in the air volume due to the cooling of saturated air by unsaturated and due to cooling of the mixed air in the generation chamber 1 by boiling refrigerant. However, ice crust does not form on its walls due to the interaction of the boiling nozzle 2 with the walls. The mixture of air and snow from the generation chamber 1 is sent tangentially to cyclone 4, in which the snow is separated from the air and poured onto the consumer, and air is taken in by fan 5 and returned to the apparatus.

The refrigerant vapor from the jacket 18 enters the compressor 12, in which it is compressed and fed into the condenser 13. In it, they are liquefied with the removal of condensation heat by water and throttled in the valve 14 to the evaporator 11.

Water enters the condenser 13, is heated in it, and then fed to the sprayer 17 for irrigation of the humidification section 10. After interacting with air in it, the water returns to the cooling tower for cooling or is discharged or recycled to the condenser.

If the ambient temperature drops below (–5) - (–10) ° C, it is possible for them to cool the jacket 18 of the generation chamber 1 by supplying air to the fan 20 through a pipeline with valve 19 and ejecting it from the jacket 18 through a pipeline with valve 21. In this In this case, water is supplied to the sprayer 17 through the bypass line 16. In this mode, the snowmaker can operate even in the absence of a refrigeration unit.

Depending on the consumer, the snow properties are controlled by the cooling temperature of the generation chamber 1, the air flow rate through the humidification section 10, and the humidification mode. With a decrease in the cooling temperature of the generation chamber 1, the snow turns out to be finer than at a higher cooling temperature.

The technical and economic effect is achieved by reducing energy consumption, increasing the reliability of the snow generator and improving the quality of snow.

Claims (2)

Claim 1. A snow generator comprising a snow generation chamber, a water supply pipe to the generation chamber, a water atomizer, a fan, an air supply pipe and a cooling means, characterized in that, in order to expand technological capabilities by ensuring snow production regardless of the ambient temperature and reduce energy consumption, the cooling means is a compressor 1617272 weed refrigeration unit, the evaporator of which is located outside the generation chamber and forms a cooling jacket, the generation chamber has a nozzle for creating a fluidized bed and an air humidification section, while the water supply pipe is connected to the water circuit of the condenser of the refrigeration unit, and the sprayer is installed in the humidification section, and the air supply pipe has an additional section for supplying air to the humidification section in front of the sprayer, and the generation chamber snow through a cyclone is connected to the inlet of the fan and through the air supply pipe to the outlet of the fan5 with the formation of a circulation circuit. 2. A snow machine according to π. 1, characterized in that the cooling jacket has pipelines for supplying and discharging outside air, and the condenser water circuit has a bypass line. Editor N. Horvat Order 4111 Compiled by E. Novikova Tehred A. Kravchuk Proofreader S. Shevkun Circulation 440 Subscription VNIIIPI of the State Committee for Inventions and Discoveries at the State Committee for Science and Technology 113035, Moscow, Zh-35, Raushskaya nab., D. 4/5 Production and Publishing Plant "Patent", Uzhhorod, st. Gagarina, 101