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Title: Pneumatic Jet-control Valve for Dual Circulating Fluidized Beds
Author: Jiang Haibo1, 2; Dong Pengfei2; Zhu Zhiping2; Wang Kun2; null(张玉魁)1, 2; Lu Qinggang2
Source: JOURNAL OF THERMAL SCIENCE
Issued Date: 2015-11-01
Volume: 24, Issue:6, Pages:574-582
Keyword: jet-control valve ; circulating fluidized bed ; two-valve model
DOI: 10.1007/s11630-015-0825-8
DOC Type: Article
English Abstract: With the rapid development of circulating fluidized bed (CFB) technology in different fields, the disadvantages of conventional non-mechanical valves are becoming more apparent, and they are not suitable to be used in complex CFB systems. In this paper, a novel non-mechanical valve named the jet-control valve is presented which can avoid the fluidization of solid particles. The feasibility and performance characteristics of the new valve are investigated with a cold-model dual CFB. The results show that compared with the conventional non-mechanical valve, the jet-control valve can transfer solid particles steadily over a larger range, prevent artesian flow, and improve the leakage characteristics. The effects of the operating parameters and structural parameters on the minimum aeration velocity, solid flow rate, and maximum solid flow rate are studied. A two-valve model is proposed to explain the transport capacity of the valve for one jet pipe. A semi-theoretical expression is obtained based on the experimental data with a maximum deviation of 30% providing useful guide for scaling-up the design.
WOS Headings: Science & Technology ; Physical Sciences ; Technology
WOS Subject: Thermodynamics ; Engineering, Mechanical
WOS Subject Extended: Thermodynamics ; Engineering
WOS Keyword Plus: GAS-SOLID FLOW ; SYSTEM ; OPERATION ; GASIFICATION ; PARTICLES ; REACTOR ; BOTTOM ; CFB
Indexed Type: SCI
Funder: Strategic Priority Research Program of the Chinese Academy of Sciences(XDA07010300)
Language: 英语
WOS ID: WOS:000364707400011
Citation statistics:
Content Type: 期刊论文
URI: http://ir.etp.ac.cn/handle/311046/112300
Appears in Collections:中国科学院工程热物理所(论文库)_期刊论文(SCI)

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description.institution: 1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
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