green campus with gshp - home | international ground ... · shawn xu, university of missouri 1...
TRANSCRIPT
Shawn Xu, University of Missouri
1
Green Campus with GSHP:Practice of an American School in China
Shawn Y. Xu, Ph.D.University of Missouri
Shawn Xu, University of Missouri
2 American Schools in China
Private school with permission of Chinese governments
Children of employee’s of U.S. and foreign companies and organizations in China
American curriculum
American teachers and staff
Shawn Xu, University of Missouri
3 Concordia International School
Located in Pudong (Eastern Shanghai)
Jingqiao Export Manufacturing Region
Shawn Xu, University of Missouri
4 Concordia International School
Soccer field
New office/classroomcomplex
ElementarySchool
Shawn Xu, University of Missouri
5 Building Space
Existing building space: 230,000 sft
New construction space: 140,000 sft
Total GSHP conditioned: 370,000 sft
Shawn Xu, University of Missouri
6 Building Functions
Class rooms
Administration offices
Teacher’s offices
Art center
Gymnasium
Laboratories
Library
Shawn Xu, University of Missouri
7 Building Functions
Shawn Xu, University of Missouri
8 Conventional Systems
Oil furnace for heating in winter
Central chiller for cooling
Small units of water loop HP with cooling tower
Roof-top AC system
Shawn Xu, University of Missouri
9 Motivations for GSHP
Green campus, on-site fossil fuel free;
Utility saving and 5-6 years payback
Education tool and energy efficiency course
Shawn Xu, University of Missouri
10 Implementation Team
GSHP design: Shawn Xu, Ph.D.
Contractor: Asia Clean Utility Solutions
Mechanical: ZE Engineering
Shawn Xu, University of Missouri
11 Space and Load
New Construction Retrofitting
TOTALBlok 4 Blok 1 Blok 2 & 3
Floor space
Sft 12,716 6,000 15,670 34,386
M2 136,875 64,584 168,672 370,131
Cooling load
Kw 2,085 940 2,398 5,423
Ton 593 267 682 1,542
Heating load
Kw 903 760 1,880 3,543
Ton 257 216 535 1007
Shawn Xu, University of Missouri
12 System Configuration
Water pump
Fan/coil
Vertical ground loop
Water pump
Water pump
Fan/coil
Wall Standing
Horizontal
New Construction Retrofitting
Shawn Xu, University of Missouri
13 Loop Location
Located under the soccer filed
Underground space of 80,000 sft
Shawn Xu, University of Missouri
14 Soil Property Test
Shawn Xu, University of Missouri
15 Site Survey
Shawn Xu, University of Missouri
16 Loop Field Excavation
Shawn Xu, University of Missouri
17 Loop Installation
Shawn Xu, University of Missouri
18 Loop Details
Number of boreholes: 900
Depth of boreholes: 250 ft
Pipe length (DN1-1/2’): 198 km (650,000ft)
Pipe length (DN6.0’): ): 3.2 km(10,200ft)
HDPE valves: 1830
Total joints: 9570
Drilling machines on site: 18
Shawn Xu, University of Missouri
19 Mechanical Room
Shawn Xu, University of Missouri
20 Ductwork and Terminal System
Shawn Xu, University of Missouri
21 Test and Start-Up
Shawn Xu, University of Missouri
22 Green Roof
Shawn Xu, University of Missouri
23 Green Roof
Shawn Xu, University of Missouri
24 Visitors to the School
Shawn Xu, University of Missouri
25 Potentials
Higher energy prices
Natural gas: $0.3-0.5/Nm3
Electricity: $0.10-0.15/Kw-hr
Lower labor cost: $2.0-3.0/hr
Typical payback year 2-5
Shawn Xu, University of Missouri
26 Potentials
Private and public schools
Winter and summer operation
Third party investment and utility services
Shawn Xu, University of Missouri
27 Contact
Shawn Y. Xu, Ph.D.
Institute for Energy Technologies
University of Missouri
Columbia, MO 65211
Phone: 882-4051
Email: [email protected]