|本期目录/Table of Contents|

[1]董贺,王佰顺.聚氨酯-水泥带压注水封孔测压技术研究[J].中国安全生产科学技术,2014,10(7):147-151.[doi:10.11731/j.issn.1673-193x.2014.07.026]
　DONG He,WANG Bai-shun.Study on pressure measurement technology of water injection sealing under pressure by polyurethanecement[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2014,10(7):147-151.[doi:10.11731/j.issn.1673-193x.2014.07.026]
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聚氨酯-水泥带压注水封孔测压技术研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
10
期数:
2014年7期
页码:
147-151
栏目:
职业安全卫生管理与技术
出版日期:
2014-07-31

文章信息/Info

Title:
Study on pressure measurement technology of water injection sealing under pressure by polyurethanecement
作者:
董贺; 王佰顺
（安徽理工大学 能源与安全学院，安徽 淮南 232001）
Author(s):
DONG He;  WANG Bai-shun
（Faculty of Energy and Safety, Anhui University of Science & Technology, Huainan Anhui 232001, China）
关键词:
瓦斯压力;  带压注水;  带压注浆;  主动测压;  上向孔
Keywords:
gas pressure;  water injection under pressure;  grouting under pressure;  activemeasurement of gas pressure;  upwardhole
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2014.07.026
文献标志码:
A
摘要:
基于传统上向钻孔测压技术的分析，提出一种新型上向孔测压技术—聚氨酯—水泥带压注水封孔测压技术。该技术利用气体渗透性大于液体的弱点，变传统封堵漏气通道为封堵液体泄漏通道，降低封堵漏气难易程度，提高测压成功率；同时利用水作为动力介质和辅助封孔材料，实现主动测压和钻孔带压注浆，隔绝钻孔瓦斯与外界环境的直接接触，提高系统本身测压的可靠性。通过理论分析及与常用测压技术对比表明，该技术用于煤层瓦斯压力测定是完全可行的。
Abstract:
Based on the analysis of traditional gas measurement technologies of upwardhole drilling, a new measuring technology was proposed, namely pressure measurement technology of water injection sealing under pressure by polyurethanecement. As the permeability of gas is larger than liquid, the new technology sealed gas leakage channels instead of liquid in order to reduce the degree of sealing leakage and improve the success rate of pressure measurement. At the same time, by using the water as motive medium and auxiliary hole sealing material, the active pressure measurement and drilling grouting under pressure can be achieved. It can cut off the direct contact of gas with the external environment, and improve the reliability of pressure measurement system itself. By theoretical analysis and contrastive analysis with other general gas measurement technologies, it showed that applying this technology on pressure measurement of coal seam gas is feasible.

参考文献/References:

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2014-07-30