1、Waste Heat of the data center for dehumidification and air conditioningIndustrial Technology Research InstituteCOOLING ENVIRONMENTSWaste Heat of the data center for dehumidification and air conditioningDr.Chen Chih-HaoManager/Industrial Technology Research InstituteOutline 321Liquid Desiccant Air Co
2、nditioning(LDAC)System Novel Ionic Liquid Desiccant for the LDAC SystemConclusionsBackground The suitable relativehumidityfor humansis 4060%.In the post-epidemicera,the sterilizationdemandhas increaseddramatically.livelihoodIndustry The power consumption of air conditioners accounts for 50%of the li
3、velihood and 12%of industry.LatentHeatis over40%in Taiwan.(subtropicalregion)Industrial precision process pays more attention to humidity control(Clear room,Lithiumbattery,Biotechnology)Temperature and humidity decoupling control for air conditioning is proven to be oneof the effectiveenergy-savingt
4、echnologies.11 Energy&Buildings 275(2022)112473Design of ionic liquids as liquid desiccant for an air conditioning system./Green Energy&Environment 4(2019)1391Industry(kWh)Electrical578Chemical331Metal185Government Statistics(2022)Air Conditioning system 24%Working Principle LDAC has the advantages
5、of energy-saving dehumidification,sterilization,and air purification.(Three in onecharacteristics)Theabsorbentissprayedanddirectly exchanges heat and masswith the air.Absorbent will be regenerated byheating.(heat pump,waste heat,solar energy)Dry Supply AirRegeneration Exhaust airReturn AirChilled wa
6、ter CoilHotwater CoilFanpumpAbsorbentAbsorbentsprayerOutside AirSprayerAbsorbentDehumidificationtypePrincipleChilled water temperature(Traditional)Condensation45Liquid desiccant1014EX.Clean Room:22、40%RH (Dew Point:7)Decrease Temp.to DP(VaporWater)Absorb(Vapordesiccant)Traditiona