SU976230A1 - Absorption heliorefrigerator - Google Patents

Description

(54) ABSORBED GEL-REFRIGERATOR

The invention relates to the field of refrigeration engineering, namely to the absorption of solar coolers.

There are known absorption helio coolers containing a concentrator. solar energy with a parabolic cross-section, equipped with a watch mechanism for tracking the sun, and an absorption diffuion cooling unit having a generator with a flame tube and a thermosyphon, a reflux condenser, a condenser, an evaporator placed in a refrigerator, a gas heat exchanger, an absorber with a strong solution collector and a heat exchanger regenerator 1.

A disadvantage of the known solar coolers is their low efficiency, due to the presence of additional heating and refrigeration equipment to ensure round-the-clock operation.

The aim of the invention is to improve the economy.

This goal is achieved by the fact that the solar cooler additionally contains a heat pipe, and the heat pipe is made in the form of a heat accumulator filled with a heat-accumulating substance, and the evaporative evaporator

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the heat pipe zone is located along the focal line of the concentrator, and its condensation zone is located in the flame tube, and a thermosyphon is wound onto the heat pipe outside this zone, the inner surface of the heat tube and the outer surface of the heat pipe condensation zone are provided with fins. Hat drawing is a schematic representation.

10 offered, gel cooler.

The solar cooler contains a solar energy concentrator 1, equipped with a clockwork 2 for tracking the sun, and an absorption-diffusion 5th refrigeration unit, having a generator 3 with a flame tube 4 and a thermosyphon 5, a reflux condenser 6, a condenser 7, an evaporator 8, placed in a refrigerator 9, gas heat exchanger 10, absorber 11 with collection 12 strong solution, heat exchanger-regenerator 13, heat pipe 14 with evaporation zone 15 and condensation zone 16, ribs-17

25 and 18 respectively on the inside

the surface of the flame tube and on the outer surface of the condensation zone 16 of the heat pipe 14 and the heat storage substance 19, filling the flame tube 4 below the neck 30.

Solar cooler works as follows.

The solar energy, concentrated in the focal line of concentrator 1, heats and evaporates the coolant located in the evaporation zone 15 of the heat pipe 13. The heat carrier vapors condense in the condensation zone 16 of the heat pipe 14, and the heat generated is spent on the melt of the heat storage substance placed in the flame tube 4, .and boiling a strong solution in a thermosyphon 5, a vapor-liquid emulsion forming in a thermosyphon 5 is separated in the generator 3, and the refrigerant vapor enters the reflux condenser 6, in which TC from the co-evaporating vapors of the absorbent, and then to the condenser 7, where they are turned into a liquid state, and the remaining weak solution flows through the heat exchanger-regenerator 13 to the absorber 11, in which the refrigerant absorbs coming from the evaporator through the gas heat exchanger 10 8, becomes strong and is discharged into collector 12. Liquid refrigerant from condenser 7 enters evaporator 8, in which it evaporates at low partial pressure to produce the cooling effect used to cool the cabinet 9. In gas heat exchanger ke 10 is cooled by a low-concentrated ammonia-hydrogen mixture directed to an evaporator 8, in which it evaporates at low partial pressure to produce a cooling effect used to cool the cabinet 9; sent to the evaporator 8, with a cold highly concentrated ammonia-hydrogen mixture entering the absorber 11. The strong solution from the collector 12 is sent through a heat exchanger regenerator 13 again in thermosyphon 5. This completes the circulation cycle of the solution and the refrigerant.

The economic efficiency of the proposed solar cooler is expressed in a decrease in metal intensity by using for its round-the-clock operation a heat accumulator made in the form of a flame tube filled with heat accumulating substance and connected to a heat pipe, the evaporation zone of which is located in the focal line of the solar energy concentrator.

Claims (2)

1.Absorption Solar Fridge containing solar concentrator energy of a parabolic cross-section, equipped with a watch mezsanism tracking the sun, and an absorption-diffusion refrigeration unit, having a generator tube and thermosyphon, a reflux condenser, a condenser, an evaporator placed in a refrigerator, a gas heat exchanger, an absorber with a strong solution collector and a heat exchanger-regenerator, characterized in that, in order to improve efficiency by ensuring round-the-clock operation, it additionally contains a heat pipe, and the heat pipe is made in the form of heat accumulator, filled with heat-accumulating substance, and the evaporation zone of the heat pipe is located along the focal line of the concentrator, and its condensation , the zone - in the flame tube and outside this zone of the heat pipe is wound by a thermosiphon. 2. Gel cooler according to claim 1, characterized in that the inner surface of the flame tube and the outer surface of the condensation zone of the heat pipe is provided with fins. Information sources, taken into account during the examination 1. Muradov D. Author's abstract of the master's thesis. The study of the possibility of creating solar household refrigerators year-round action. Ashgabat, Turkmen State University, 1965.