Solar-heat pump combined food air thawing system and thawing method

• Main Authors: ZHANG XIAOSONG, YAN JUNHAI
• Format: Patent
• Language: Chinese; English
• Published: 24.11.2010
• Subjects: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; FOODS OR FOODSTUFFS; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HUMAN NECESSITIES; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

The invention provides a solar-heat pump combined food air thawing system and a solar-heat pump combined food air thawing method and belongs to the technical field of food air thawing. The system comprises an air circulation subsystem, a solar hot water circulation heat exchange subsystem and a refrigerating medium circulating subsystem. The air circulation subsystem comprises a food thawing chamber (1), a fan (12), an air electric heater (11), an air volume regulating valve (10), an atmospheric condenser (6), an air volume regulating valve (16) and an evaporator (14); the solar hot water circulation heat exchange subsystem comprises a solar heat collector (2), a water flow regulating valve (3), a water-water heat exchanger (13) and a water supply pump (14); and the refrigerating medium circulating subsystem comprises a refrigerating fluid container (8), the atmospheric condenser (6), a refrigerating expansion valve (5), the evaporator (4) and a refrigerating compressor (7). The system has the advantages of q