비균일 열전도성 반응블럭의 반응특성 연구

박성호; 윤여일; 김성현

Journal of the Korean Industrial and Engineering Chemistry, Vol.8, No.5, 872-879, October, 1997

Export Citation

비균일 열전도성 반응블럭의 반응특성 연구

A Kinetic Study of Non-uniform Thermal Conductive Reaction Block

박성호, 윤여일, 김성현

초록

암모니아 금속염과의 기-고 반응을 이용한 화학열펌프에서 열전달 특성과 물질전달 특성을 개선하기 위하여 금속염을 팽창흑연에 반지름 방향으로 겉보기 밀도가 증가하도록 함침시켜 새로운 비균일 열전도성 반응블럭을 제조하였다. 이것은 겉보기 밀도가 반지름 방향으로 165, 222, 279, 337, 394(kg/m³)로 증가하도록 만든 것으로 균일 열전도성 반응블럭과 반응특성을 비교하였다. 실험결과 열전달특성은 비균일 열전도성 반응블럭이 훨씬 좋았고, 반응을 반복함에 따라 물질전달과 반응특성이 개선되었으며 반응의 재현성도 양호함을 알 수 있었다.

The nonuniform thermal conductive reaction blocks were manufactured by impregnation of metal salts on the expanded graphite to improve the heat and mass transfer ability of reaction of ammonia and metal salts(halide). The nonuniform blocks were designated to increase apparent density, like 165, 222, 279, 337, 394 kg/m³ radially The experimental results showed that the heat transfer characteristics of nonuniform blocks were better than uniform blocks. As the reaction of ammonia repeated, the volumetric expansion in the reaction block makes the mass transfer improve, and the reproducibility better.

[References]

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[1] "국내 에너지 경제구조," 경제연구원 (1994)

[2] 냉동공조기술, 편집부, 8, 6 (1991)

[3] 최승훈, 고려대학교 박사학위논문 (1995)

[4] 한국에너지기술연구소, 과학기술처 보고서 (1994)

[5] 한국에너지기술연구소, 과학기술처 보고서 (1995)

[6] Goetz V, Elie F, Spinner B, Heat Recov. Syst. CHP, 13, 79 (1991)

[7] Rockenfeller U, Kirol LD, Proceed. IAHPC, 31, 433 (1994)

[8] Fujiwara I, Sato M, Refrigeration, 60, 24 (1985)

[9] 이종호, 통상산업부 보고서 (1995)

[10] Wettermark G, "Storage of Heat - A Survey of Efforts and Possibilities," Swedish Council for Building Research (1979)

[11] 조명제, 한국동력자원연구소 (1985)

[12] Best R, Eisa MAR, Holland FA, Heat Recov. Syst. CHP, 7, 167 (1987)

[13] Balat M, Spinner B, Heat Recov. Syst. CHP, 13, 277 (1993)

[14] Taube M, Nucl. Technol., 38, 62 (1978)

[15] Coste, et al., U.S. Patent, 4,595,774 (1986)

[16] Roca, et al., U.S. Patent, 022,5,86 (1992)

[17] ByronBird R, Stewart WE, Lightfoot EN, "Transport Phenomena," John Wiley & Sons, Inc. (1960)

[18] Collins RE, "Flow of Fluids through Porous Materials," Reinhold Publishing Corp., London (1961)

[19] Jadot R, Sol. Energy Appl. Dwell., 193 (1982)

[20] Jadot R, Study of A Chemical Heat Pump, 400 (1984)

[21] Dunlup RM, "Heat Driven Heat Pump Using Paired Ammoniated Salts," No. 6-182367, U.S. Patent (1980)

[22] Mazet N, Meyer P, Neveu P, Spinner B, Proceed. IAHPC, 31, 407 (1994)

[23] Rockenfeller U, 8, U.S. Patent, 90-01171 (1989)

[24] Goetz V, Marty A, Chem. Eng. Sci., 47, 4445 (1992)

[25] Lebrun M, Spinner B, Chem. Eng. Sci., 45, 1743 (1990)