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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
In the normal Refrigeration process, the condensation heat of refrigerant has not been used because of its low-temperature waste heat.
To recover the condensation waste heat of R-12 refrigerator, a drying and hot water system was designed and experimented.
The results obtained were summarized as follows:
1. As the temperature a tmosphere was increased, the temperature of discharge gas of compressor was increased. And the temperature was 80-84℃ for air condensing type and was 68-71℃ for water condensing type during summer.
2. The condensation waste heat could be obtained up to 50-55°C of drying heat-source and Hot water in summer. In this case, recovered rate was about 73%. And the more temperature of drying Heat-source and Hot water were increased, the more a recovered rate were decreased.
3. When comparing drying characteristics of Agro-products in dryer of waste heat utilization and Hot air, there was no quality difference in products. But drying time of the former was 3 Hours longer than the latter.
4. The condensation waste heat of compressor' could be applied into the drying of marine products, the pre drying of agro-products and making hot water. And showed high possibility of the waste heat using in low-temperature storage.
To recover the condensation waste heat of R-12 refrigerator, a drying and hot water system was designed and experimented.
The results obtained were summarized as follows:
1. As the temperature a tmosphere was increased, the temperature of discharge gas of compressor was increased. And the temperature was 80-84℃ for air condensing type and was 68-71℃ for water condensing type during summer.
2. The condensation waste heat could be obtained up to 50-55°C of drying heat-source and Hot water in summer. In this case, recovered rate was about 73%. And the more temperature of drying Heat-source and Hot water were increased, the more a recovered rate were decreased.
3. When comparing drying characteristics of Agro-products in dryer of waste heat utilization and Hot air, there was no quality difference in products. But drying time of the former was 3 Hours longer than the latter.
4. The condensation waste heat of compressor' could be applied into the drying of marine products, the pre drying of agro-products and making hot water. And showed high possibility of the waste heat using in low-temperature storage.
목차
ABSTRACT
Ⅰ. 서론
Ⅱ. 실험장치 및 방법
Ⅲ. 결과 및 고찰
Ⅳ. 결론
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