| 阳泉矿区3~#煤层气吸附—放散特性的实验研究 |
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| 引用本文： | 张力,王建忠.阳泉矿区3~#煤层气吸附—放散特性的实验研究[J].煤,2001(5). |
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| 作者姓名： | 张力 王建忠 |
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| 作者单位： | 中国矿业大学 江苏徐州221008
(张力)，阳泉荫营煤矿 山西阳泉045000(王建忠) |
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| 摘 要： | 阳泉矿区是全国最大的无烟煤基地。主采煤层 3#煤层富含大量的煤层气 ,开采过程中煤层气涌出量较大。煤储层吸附—解吸特性是煤层气开发成败的关键因素之一。文章以实验为基础 ,研究了 3#煤层气的吸附—放散特性 ,实验表明 3#煤层气吸附过程是一个非常缓慢的过程 ,需要很长一段时间才能达到吸附平衡 ;3#煤层气产气速率主要受裂隙中气体流动的限制。增加裂隙度 ,提高渗透率是 3#煤层气开发和利用最关键的环节
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| 关 键 词： | 煤层气 吸附 解吸 扩散 渗流 |
Test Study on Adsorption Diffusion Feature of 3~# Coalbed Gas in Yangquan Coal Mine |
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| ZHANG Li ,WANG Jian?zhong.Test Study on Adsorption Diffusion Feature of 3~# Coalbed Gas in Yangquan Coal Mine[J].Coal,2001(5). |
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| Authors: | ZHANG Li WANG Jian?zhong |
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| Affiliation: | ZHANG Li 1,WANG Jian?zhong 2 |
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| Abstract: | Yangquan coal mine is the biggest anthracite base in our country 3 # main mining coal seam contain enormous coalbed gas,enormous coalbed gas gush out as mining.Adsorption-untuing adsorption proprety is one of key tactors of failure when coalbed gas exploited.This paper take test as basis,it study adsorption-untying adsorption property of 3 # coal seam.Test indicate:adsorption of 3 # coal seam is a very slow process,it need very long time to get balance of adsorption; rate of product ags in 3 # coal seam is restricted by gas folw of crack.Extend crack degtee and raising permeability is key link with 3 # coalbed gas exploited and utilized. |
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| Keywords: | coalbed gas adsorption untying adsorption diffusion permeability |
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