New Generation of Solar thermal Cooling with Yazaki. Wei Zheng Yazaki Energy System Corporation Beijing Office

Transcription

1 New Generation of Solar thermal Cooling with Yazaki Wei Zheng Yazaki Energy System Corporation Beijing Office

2 Contents 1.Company Introduction 2.Yazaki s Absorption Chiller in SHC 3.Yazaki-SHC Development Consideration 4.SHC in a passive house of China 5.New Absorption Chiller Concept 2

3 1.Company Introduction: Corporate snapshot Founded in 1929 by Mr. Sadami Yazaki Established as YAZAKI Corporation in 1941 Today the company operates globally Privately owned Chairman: Mr. Yasuhiko Yazaki President: Mr. Shinji Yazaki Locations World Headquarters Y-City, 1500 Mishuku, Susono-City, Shizuoka , Japan Chairman: Mr. Yasuhiko Yazaki President: Mr. Shinji Yazaki Wiring Harness Production 1958 in Numazu, Japan Tokyo Headquarters 17 th floor, Mita-Kokusai Bdg., Mita, Minato-Ku, Tokyo , Japan 2016 COPYRIGHT BY YAZAKI ENERGY SYSTEM CORPORATION. ALL RIGHTS RESERVED.

4 1.Company Introduction: business scope ENERGY SYSTEMS Absorption & Solar Thermal Technology Electrical Wires Gas Equipment General Transportation Systems AUTOMOTIVE Electrical Distribution Systems Components Electronics & Instrumentation High Voltage NEW BUSINESS Recycling Nursing Care 2016 COPYRIGHT BY YAZAKI ENERGY SYSTEM CORPORATION. ALL RIGHTS RESERVED.

5 1.Company Introduction: Group global footprint As of YA Z A K I W O R K S I N 4 5 C O U N T R I E S A N D L O C AT I O N S T O D AY 2016 COPYRIGHT BY YAZAKI ENERGY SYSTEM CORPORATION. ALL RIGHTS RESERVED.

6 2.Yazaki s Absorption Chiller in SHC EU 132 Projects 56 Spain ASIA 230 Projects USA&CND 25 Projects 2009 First SHC House In the world Vatican Canada 2008 Abu Dhabi 2013 Japan Total 387 Projects Beijing 6

7 3. Yazaki-SHC Development Consideration SHC 1.0 ( ) Energy Efficiency + Renewables Focus: supply SHC 2.0 (2018) Energy Efficiency + Renewables + Passive Architecture 1.0 Focus: supply + demand Yazaki Thermal Concepts Energy Efficiency + Renewables + Passive Architecture 2.0 Focus: supply + demand + grid 2016 COPYRIGHT BY YAZAKI ENERGY SYSTEM CORPORATION. ALL RIGHTS RESERVED.

8 4.SHC in a passive house of China Passive House Project Conceptual Diagram of Emergency Control Center Automatic shutter Vacuum tube type solar collector m 2 low energy consumption building and green building in Triple glazing window B1: WFC-SC10 Shandong Province, 2015 Adjacent garden 1Energy consumption for air-conditioning (<30kWh/m 2 y) 2Proportion of renewable energy (>12%) Installation location of Vacuum tube type solar collector Facade heat insulation Surface of radiation panel Back of radiation panel PV power unit Fresh air: CO 2 sensor control Radiation panel for cooling and heating 8

9 4.SHC in a passive house of China Comparison between general buildings and passive buildings Passive House Project General buildings (hypothesis) Building construction Heat transmission coefficient (HTC) Building construction Passive buildings HTC Facade HTC(W/m2 K):1.06 Facade 固定ネジ HTC(W/m2 K):0.15 Roof RC PS RC PS PS Waterproof Waterproof Roof sheet sheet PS RC HTC(W/m2 K):1.09 PS PS HTC(W/m2 K):0.15 Window Window RC Double glazing window HTC(W/m2 K):2.40 Triple glazing window HTC(W/m2 K):1.00 Aluminum frame Based on passive house, Aluminum+ resin frame HTC of facades and roof achieves an 85% reduction. HTC of the window is decreased about 60%. 9

10 4.SHC in a passive house of China 全熱負荷 [kwh] 全熱負荷 [kwh] 全熱負荷 [kwh] 全熱負荷 [kwh] General buildings Passive buildings Internal heat generation (NO) Internal heat generation (YES) 16,000 12,000 8,000 4, ,000 12,000 8,000 4,000 0 Cooling Heating 冷房暖房 1 月 2 月 3 月 4 月 5 月 6 月 7 月 8 月 9 月 10 月 11 月 12 月 冷房暖房 1 月 2 月 3 月 4 月 5 月 6 月 7 月 8 月 9 月 10 月 11 月 12 月 16,000 12,000 8,000 4,000 Annual thermal load, including 0 internal heat generation is decreased about 70% Heating load: 23,879kWh 263kWh (nearly zero) Cooling load: 39,800kWh 21,317kWh 16,000 (half) Annual thermal load: 63,679kWh 21,580kWh Cooling Heating 12,000 8,000 4,000 0 冷房暖房 1 月 2 月 3 月 4 月 5 月 6 月 7 月 8 月 9 月 10 月 11 月 12 月 Nearly zero Cooling load is half reduced Cooling Heating 冷房暖房 Cooling Heating 1 月 2 月 3 月 4 月 5 月 6 月 7 月 8 月 9 月 10 月 11 月 12 月 10

11 4. SHC in a passive house of China: Example: passive buildings in Shandong, China High temperature sensor T 2 <System concept> 1Primary energy reduction due to solar thermal The water fired chilled (WFC) for cooling is applied Prior control for cooling and heating from solar thermal 2Application of radiation cooling and heating Power reduction of indoor unit System efficiency improvement from cold water with higher temperature and hot water with lower temperature 3Application of variable flow cold water system by load-side two-way valve Power reduction by the inverter control for load-side cold water pump Heat medium control valve WFC cooling tower Heat mediu m pump Cooling tower pump Heating loop Supply-side cold water pump Cooling dehumidifier Fresh Air T 3 T 4 Low temperature sensor T 1 Heat medium pump Heat storage tank 5m 3 WFC 35kW T 5 Pressure valve Cold water tank 1.5m 3 T 7 Pressure valve Loadside cold water pump Indoor radiant air-conditioner EHP 32.2kW T 6 Cold water control valve T 8 House 11

12 4. SHC in a passive house of China Requirements Supply side Solar thermal heating Solar and cooling system(shc) collector cooling tower Ta nk WFC EHP system low energy consumption building and green building in Shandong Province, Energy consumption for airconditioning (<30kWh/m 2 y) 2Proportion of renewable energy (>12%) Air conditioning system ASHP Load side Building Radiation air conditioning Energy saving assessment supply-side only (kwh/m 2 ) Cooling Heating Annual Ventilation system More energy could be saved and the renewable energy ratio is higher than expected Energy consumption prediction for yearly air conditioning system including load side( 1) (kwh/m 2 ) Renewable energy ratio ( 2) (%) Energy consumption ratio of supply side and load side is 50:50 2 Renewable energy ratio =output of SHC/(output of SHC + output of EHP) 12

13 Primary energy usage [GJ] Primary energy reduction rate[%]. SHC in a passive house of china: PE reduction Buildings Supply side airconditioning device Aperture area [m 2 ] Primary energy Usage[GJ] Reduction[%] A General Air source Heat pump(ashp) B High thermal insulation ASHP C High thermal insulation ASHP+SHC High efficiency ASHP+SHC D High thermal insulation upgrade + Integration with buildings General Buildings (passive buildings) with buildings thermal insulation ASHP(Standard) High efficiency ASHP 52 SHC 72 A B C D SHC upgrade Integration with buildings ASHP(cooling COP 2.84, heating COP 3.87) High efficiency ASHP(cooling COP 4.80, heating COP 4.80) SHC upgrade tech High efficiency collector Thermal stratified tank Power reduction of pump Low temperature driven chiller System optimal control Example Unique design, More thermal collection

14 System COP 5.New Absorption Chiller Concept technology & initiatives for low temperature driven of YAZAKI WFC Small size & compact Simple design & installation High durability & long life Only One tech Low maintenance WFC technical development 1low temperature heat medium 2low power for pump Working condition for the new chiller 18 Available rage for solar energy (WFC with low temperature heat medium) 2 Working condition for conventional chiller Low temperature heat medium + Low power Low temperature heat medium 8 4 Turbo chiller Available rage for solar energy (conventional WFC) 8 Conventio nal chiller Heat medium temperature 14

15 5.New Absorption Chiller Concept 2465 Yazaki s new package SHC system (Plug-in system) Heat Storage Tank Cooling Tower (Closed Type) WFC-SC5 15

16 Thank you for your attention! Wei Zheng 16