存储式电子压力计在瓦斯压力测定中的应用.pdfVIP

煤炭技术 Vol. 33No. 12 第33 卷第 12 期 Dec.2014 2014 年 12 月 Coal Technology doi: 10. 13301lj. cnki. ct. 2014. 12.067 存储扎电子压fJ 计在瓦斯压fJ tj!~ ;之中伪雇用 孙丙周，马静驰2 (1.河南理工大学安全科学与工程学院，河南焦作 454∞3;2. 河南能源、化工集团焦煤公司古汉山矿， 河南焦作，454∞2) 摘 要:煤层瓦斯压力的准确测定可以为矿企制定合理有效的瓦斯灾害防治措施提供依据，为 了提高井下煤层瓦斯压力直接测试时的测定精度，分析当前煤层瓦斯压力测定的几种方法，认为通 过观测压力表变化而确定煤层瓦斯压力时，存在压力表精度不够、观测费时费力、读数误差大等问 题。将存储式电子压力计应用于井下瓦斯压力实测，解决了压力表在测压工作中的不足，存储式电 子压力计在瓦斯压力测定中具有精准性、连续性、抗震性和便捷性等优点。 关键词:瓦斯压力;存储式电子压力计;压力测定 中图分类号:TD712 文献标志码:A 文章编号:1∞8 -8725(2014)12 -0192 -03 Application of Electronic Memory Gauge in Gas Pressure Measuring SUN Bing-zhou ,MA Jing-chf (1. Sch∞1 of Safety Science and Engine哩ring ， Henan Pol阳chnic University ,Jiaozuo 454∞3 ,China ;2. Guhanshan Coal Mine ,Jiao Coal Company ,Henan Energy Chemical Group ,Jiaozuo 454∞2 ， China) Abstract: Accurate determination of the coal seam gas pressure can develop reasonable and effective gas disaster prevention measures provide a basis for the mining companies ,In order to improve the measure- ment accuracy when direct testing of underground coal seam gas pressure ,To analyze the several methods of seam gas pressure measurement ,There have some problems in gas pressure ,Such as Gauge accuracy is not enough ,the observation time-consuming and large reading eπOf. When the elec甘onic memory gauge in the gas prcssure 由at have solve the shortage of gauge ,showed some of the advantages ,such as accuracy , continuity ,earthquake ,convenience. Key words: methane pressure; electronic memo巧 gauge; gas pressure; 。 引言