流体机械
流體機械
류체궤계
FLUID MACHINERY
2014年
3期
67-70
,共4页
肖庭庭%李征涛%陈坤%陈忆喆%张振亚
肖庭庭%李徵濤%陳坤%陳憶喆%張振亞
초정정%리정도%진곤%진억철%장진아
R290%灌注量%制冷量%平行流换热器%冷风型分体机
R290%灌註量%製冷量%平行流換熱器%冷風型分體機
R290%관주량%제랭량%평행류환열기%랭풍형분체궤
R290%performance%charge%parallel flow heat exchanger%cooling air split-type unit
分析了R290应用于家用空调的优势及可行性,采用某企业生产的R22家用冷风型分体机,直接充注R290制冷剂,在焓差实验室内调整毛细管规格及制冷剂灌注量,使性能达到最佳状态,结果表明:R22系统直接灌注R290制冷剂,灌注量仅为原来的44.7%,但制冷量下降13.64%,能效比稍有提高。为进一步减小灌注量、提高制冷量,采用了平行流换热器作为冷凝器,重新调整灌注量及毛细管规格,结果显示R290灌注量大幅减少,制冷量及能效比显著提高, R290灌注量的减少有利于制冷系统的安全性。
分析瞭R290應用于傢用空調的優勢及可行性,採用某企業生產的R22傢用冷風型分體機,直接充註R290製冷劑,在焓差實驗室內調整毛細管規格及製冷劑灌註量,使性能達到最佳狀態,結果錶明:R22繫統直接灌註R290製冷劑,灌註量僅為原來的44.7%,但製冷量下降13.64%,能效比稍有提高。為進一步減小灌註量、提高製冷量,採用瞭平行流換熱器作為冷凝器,重新調整灌註量及毛細管規格,結果顯示R290灌註量大幅減少,製冷量及能效比顯著提高, R290灌註量的減少有利于製冷繫統的安全性。
분석료R290응용우가용공조적우세급가행성,채용모기업생산적R22가용랭풍형분체궤,직접충주R290제랭제,재함차실험실내조정모세관규격급제랭제관주량,사성능체도최가상태,결과표명:R22계통직접관주R290제랭제,관주량부위원래적44.7%,단제랭량하강13.64%,능효비초유제고。위진일보감소관주량、제고제랭량,채용료평행류환열기작위냉응기,중신조정관주량급모세관규격,결과현시R290관주량대폭감소,제랭량급능효비현저제고, R290관주량적감소유리우제랭계통적안전성。
The feasibility of R290 applying in residential air conditioner was analyzed,and used a R22 domestic cooling air split-type unit produced by a company to charge R290 directly.To achieve the best cooling effect,the experiment of matching the refrigerant charge and the capillary specification were carried out in the ARI condition in an enthalpy difference lab.The results showed a decrease in charge by 55.3% and a cooling capacity decreasing by 13.64% after R290 directly charging R22 system, while the EER slightly increased.In order to further reduce refrigerant charge and improve the cooling capacity,A re-matching experiment was carried out in the use of parallel flow heat exchanger as a condenser.The results showed that the use of parallel flow heat exchanger led R290 charge to reduce significantly,the cooling capacity and EER improved significantly.The reduced charge of R290 benefited the security of the refrigeration system.