CLC number: TK223.2
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2009-09-09
Cited: 0
Clicked: 5851
Li-ping PANG, Bao-min SUN, Tong LIU. Experimental and thermal stress investigation on side wall deformation at the pendent convective pass in a utility boiler[J]. Journal of Zhejiang University Science A, 2009, 10(11): 1589-1594.
@article{title="Experimental and thermal stress investigation on side wall deformation at the pendent convective pass in a utility boiler",
author="Li-ping PANG, Bao-min SUN, Tong LIU",
journal="Journal of Zhejiang University Science A",
volume="10",
number="11",
pages="1589-1594",
year="2009",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0820763"
}
%0 Journal Article
%T Experimental and thermal stress investigation on side wall deformation at the pendent convective pass in a utility boiler
%A Li-ping PANG
%A Bao-min SUN
%A Tong LIU
%J Journal of Zhejiang University SCIENCE A
%V 10
%N 11
%P 1589-1594
%@ 1673-565X
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0820763
TY - JOUR
T1 - Experimental and thermal stress investigation on side wall deformation at the pendent convective pass in a utility boiler
A1 - Li-ping PANG
A1 - Bao-min SUN
A1 - Tong LIU
J0 - Journal of Zhejiang University Science A
VL - 10
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SP - 1589
EP - 1594
%@ 1673-565X
Y1 - 2009
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A0820763
Abstract: An experimental investigation is performed on side wall deformation at the pendant convective pass (PCP) in a 300 MW and a 600 MW utility boiler. The temperature distributions are measured on the side wall areas of the water-cooled wall, the PCP and the horizontal convective pass (HCP) in the two utility boilers. These experiments show that there are great temperature differences in the side wall areas during the startup process in both utility boilers. These temperature differences can reach 80~150 (C with the side wall temperature in the PCP area higher than those in the water-cooled wall and the HCP. The highest temperature in the PCP is close to the flue gas side temperature at the same position in the horizontal flue gas pass. Thermal stress analyses are conducted in the side wall areas in the water-cooled wall, the PCP and the HCP with the software ANSYS. The results show that, at great temperature differences, the PCP side wall undergoes negative thermal stresses that exceed the yield strength causing deformation in the PCP side wall.
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