| 通风柜变风量控制的技术分析 |
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| 引用本文： | 刘卫斌.通风柜变风量控制的技术分析[J].武汉工业学院学报,2007,26(1):79-81,89. |
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| 作者姓名： | 刘卫斌 |
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| 作者单位： | 武汉工业学院,土木工程系,湖北,武汉,430023 |
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| 摘 要： | 通风柜是实验室中主要的安全设备，为了控制有害物质的外溢和保证实验正常进行，必须有效地控制罩面风速。在实验过程中，随着柜门的操作，通风柜开口面积发生变化，罩面风速变化较大，通风系统达不到设计要求，影响实验和抽风效果。通过对通风系统中管路和风机性能分析，设计及采用控制系统对通风柜通风系统进行变风量控制，使系统罩面风速基本稳定不变，从而达到设计要求。
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| 关 键 词： | 实验室 通风系统 变风量控制 通风柜 |
| 文章编号： | 1009-4881（2007）01-0079-03 |
| 收稿时间： | 2006-09-14 |
| 修稿时间： | 2006-09-14 |
TECHNICAL ANALYSIS OF LOCAL FUME HOOD VAV CONTROL |
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| LIU Wei-bin.TECHNICAL ANALYSIS OF LOCAL FUME HOOD VAV CONTROL[J].Journal of Wuhan Polytechnic University,2007,26(1):79-81,89. |
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| Authors: | LIU Wei-bin |
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| Affiliation: | Department of Civil Engineering, Wuhan Polytechnic University, Wuhan 430023 ,China |
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| Abstract: | The fume hood is the main safety in lab. In order to control harmful material leakage and keep the experiment working properly , the face velocity must be controlled efficiently. The hatch area changes with the fume hood door operation,the face velocity has a big change, the ventilating system can not reach the design request, and affect experiment and ventilating performance. According to analysis of pipeline and fan performance in the ventilating system. We gesign and apply control system to control the fume hood ventilating system with various air volume , the face velocity sustains unchangeably, and this control system could be applied widely. |
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| Keywords: | lab ventilating system VAV control fume hood |
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