qi chengying - study on building energy consumption in china

7/31/2019 Qi Chengying - Study on Building Energy Consumption in China

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Building Energy Consumptionin China

Chengying Qi & Xiuqin Ma

June 2012, Manila


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Why Energy Efficiency and

Renewable in Building Area?

High growth rate in urbanization

High growth rate in building heating

Renewable energy technologies

Environment constraint


3/16

GHG Emissions in Building Area


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Speed of Urbanization in China(source: China statistic yearbook)

Ur bani zat i on Rat e f r om 1994 t o 2011

0

10

20

30

40

50

60

1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

Year


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Growth Rate of Buildings in Urban(source: China statistic yearbook)

0

500

1000

1500

2000

1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009

Year

Million

Sq.

Bui l di n s com l et ed Resi dent i al bui l di n s


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Building Climate Map of China


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Energy consumption in rural areas(Northern China)

kg standard coal/(m2.a)

37.4634.97

33.4332.34

28.85

22.93 22.36

19.7518.69

16.46 16.36 15.8 15.38

9.45

0.00

5.0010.00

15.00

20.00

25.00

30.0035.00

40.00

Neim

eng

Liaonin

gJilin

Xinji

ang

Beijin

g

Shanxi

Qinghai

Ningxia

Hebei

Gansu

Tianjin

Shandong

Shanxi

Henan


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Energy consumption in rural areas(Southern China)

kg standard coal/(m2.a)

25.82

12.53

9.34 9.13

8.48 5.77 5.76 5.51

0.00

5.00

10.00

15.00

20.00

25.00

30.00

Sichuan Anhui Jiangxi Hunan Zhejiang Hubei Jiangsu Shanghai


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Proportion of Energy Consumptionfor all Kinds of Building

25

2

12118

23

19Northern City heating

HSCW City heating

Northern rural heating

HSCW rural heating

City residential

Rural

Public


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Case Study of Reforming DistrictHeating System Around the University

40 inefficient coal-burning boilers in the 18heating plants, 308MW

Heating Areas: 44.2 million m2

5 high efficient boilers--350MW

Heating Area:44.2+36.4million m2


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Before the

reforming

After the

reforming

Emission

reduction

The heat of coal

boiler, TJ2907.1 2361.9 545.1

The amount of

consuming coal, t121836.9 98992.5 22844.4

CO2, t 275004.8 223441.4 51563.4

Soot, t 40.5 32.9 7.6

SO2, t 119.9 97.4 22.5

NOX, t 881.4 716.1 165.3

CO, t 5569.7 4525.4 1044.3

Boiler slag, t 11330.8 9206.3 2124.5

Coal ash,

t 5098.9 4142.8 956.1


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Economic Analysis

1.High efficiency coal-fired boiler

Investment

IRR

IPP

2.Ground resource heat pump

InvestmentIRR

IPP


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Barriers

1. Renewable energy-high pre-investment

2. Low of awareness of environment

3. Financing Barrier4. Lack of new technologies.

5. Lack of education


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Suggestions

1. CERs in CDM?

2. ERs in national carbon market?

3. Government supports?4. Local government supports?


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Hebei University of Technology

Department of Energy and Environmental Engineeringis engaged in building energy conservation, renewableand new energy development, clean developmentmechanism, atmospheric cleaning and waste treatment

technologies and etc.

1. 5000m2 Engineering Experimental Building

2. The Experimental Building is heating and cooling by

underground resource heat pump3. Wind Power

4. Solar Power


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Thanks

Hebei University of Technology,

P.R China

www.hebut.edu.cn

[email protected]
http://www.hebut.edu.cn/http://www.hebut.edu.cn/

qi chengying - study on building energy consumption in china

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