定量改进HAZOP法在瓦斯隧道施工通风安全中的应用

doi:10.16265/j.cnki.issn1003-3033.2017.04.017

摘要/Abstract

摘要： 为改善瓦斯隧道施工通风系统的通风效果,将定量改进危险与可操作性分析(HAZOP)法应用于瓦斯隧道施工通风系统的研究中。通过引入偏离度量化分析存在的偏差,建立单一参数偏离度、节点偏离度和各工区不同施工通风阶段偏离度计算模型,并划分为Ⅰ、Ⅱ、Ⅲ、Ⅳ等4个偏离等级。以某瓦斯隧道出口施工通风第4阶段为分析对象,将其划分为5个节点,并以其工作面节点为例进行HAZOP分析,计算其偏离度,进而确定此阶段偏离等级。结果表明,该阶段的偏离等级为Ⅱ,属中度偏离,需要根据现有情况采取安全措施;分析结果与该工区实际情况相符。

关键词: 瓦斯隧道施工, 通风系统, 危险与可操作性分析(HAZOP), 定量改进, 偏离度, 偏离等级

Abstract: In order to strengthen the ventilation effect for construction ventilation system of gas tunnel, the quantitatively improved HAZOP was used in studying ventilation system of gas tunnel construction. The existing deviations were analyzed quantitatively by introducing the deviation. Models were built for calculating single parameter deviation degree, node deviation degree and deviation degree of different ventila stages of every work area, the deviations were divided into four levels of I, II, III and IV. The fourth stage of a certain gas tunnel construction ventilation was taken as the analysis object, which was divided in to five nodes, and the face node was taken as an example of the HAZOP analysis, 5 node deviation degrees were obtained respectively by calculation, then deviation degree and deviation level of this stage were obtained. The results show that the deviation level of this stage is Ⅱ, belonging to moderate deviation,and needing to take safety measures according to the current situation,and that the analysis result conforms with the actual situation in the work area.

Key words: gas tunnel construction, ventilation system, hazard and operability study(HAZOP), quantitative improvement, deviation degree, deviation level

中图分类号:

X936

刘辉, 张智超. 定量改进HAZOP法在瓦斯隧道施工通风安全中的应用[J]. 中国安全科学学报, 2017, 27(4): 92-97.

LIU Hui, ZHANG Zhichao. Application of quantitatively improved HAZOP method in ventilation safety during gas tunnel construction[J]. China Safety Science Journal, 2017, 27(4): 92-97.

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