西南典型矿区煤等温吸附/解吸影响因素研究

doi:10.11799/ce201906004

摘要/Abstract

摘要： 为了探讨煤质、变质程度、变形程度、实验温度、压力等因素对煤吸附/解吸性能的影响，系统采集了西南典型矿区煤样，进行了煤岩测试、工业分析和等温吸附/解吸实验。结果表明：中变质阶段，煤的吸附能力与变质程度呈正相关，高变质阶段呈负相关，Ro，max在3%左右吸附能力最强|煤的吸附能力与镜质组含量呈正相关，与惰质组含量呈负相关|低-特高固定碳阶段，煤的吸附能力与固定碳含量呈正相关关系，水分、挥发分的存在降低了煤的吸附能力|变形程度越高，吸附/解吸能力越强|温度升高，煤吸附量下降，解吸率增高。压力升高吸附量增大，解吸率下降。

关键词: 吸附/解吸性能, 煤质, 变质程度, 变形程度, 温度, 压力

Abstract: The coal petrography analysis，proximate analysis and isothermal adsorption experiment of samples from Southwest typical mining area are carried out to investigate the influence of coal quality, metamorphic grade, deformation degree, experimental temperature and pressure on gas adsorption and desorption capacity. The results show that:(1) There is a positive correlation between metamorphic grade and gas adsorption capacity at medium-rank metamorphism stage，and there is a negative correlation between metamorphic grade and gas adsorption capacity at high-rank metamorphism stage, and has the strongest adsorption capacity at the nearby 3 percent of Ro,max (2) The capacity of the coal adsorption has a normal correlation to the vitrinite content and an inverse correlation to the inertinite content of the coal. (3) The capacity of the coal adsorption has a normal correlation to the fixed carbon content, and Moisture and volatile matter in coal can decrease the adsorption capacity of the coal reservoir．(4) The higher the deformation degree, and the stronger gas adsorption and desorption capacity of the coal. (5) the adsorption capacity of gas decreases and the desorption efficiency increase with temperature increase. the adsorption capacity of gas increase and the desorption efficiency decreases with pressure increase.

张永强, 韩志雄, 薛海军, 路冠文. 西南典型矿区煤等温吸附/解吸影响因素研究[J]. 煤炭工程, 2019, 51(6): 18-23.

zhang yongqiang. Impact Factors on Gas Adsorption and Desorption of Typical Mining area in Southwest China[J]. Coal Engineering, 2019, 51(6): 18-23.

参考文献 41

[1]	林柏泉, 周世宁.含瓦斯煤体变形规律的实验研究[J].中国矿业学院学报, 1986, 15(3):67-72
[2]	LIN Baiquan, ZHOU Shining.Experimental investigation on the[J].中国矿业学院学报, 1986, 15(3):67-72
[3]	deformation law of coal body containing methane[J].Journal of China University of Mining & Technology, 1986, 15(3): 67- 72.[J].Journal of China University of Mining & Technology, 1986, 15(3):67-72
[4]	欧成华, 李士伦, 杜建芬.煤层气吸附机理研究的发展与展望[J].西南石油学院学报, 2003, 25(5):34-39
[5]	OU Chenghua, LI Shilun, DU Jianfen.Development and prospect on adsorption mechanism of coalbed methane in coal seams[J].Journal of Southwest Petroleum Institute, 2003, 25(5):34-39
[6]	钟玲文, 张慧, 员争荣等.煤的比表面积孔体积及其对煤吸附能力的影响[J].煤田地质与勘探, 2003, 30(3):26-29
[7]	ZHONG Lingwen, ZHANG Hui, YUN Zhengrong, et al.Influence of specific pore area and pore volume of coal on adsorption capacity[J].Coal Geology & Exploration, 2003, 30(3):26-29
[8]	陈春琳, 林大杨.等温吸附曲线方法在煤层气可采资源量估算中的应用[J].中国矿业大学学报, 2005, 34(5):679-682
[9]	CHEN Chunlin，LIN Dayang.Application of isothermalcurves in estimating minable resource of coalbed methane[J].Journal of China University of Mining ＆ Technology, 2005, 34(5):679-682
[10]	田永东, 李宁.煤对甲烷吸附能力的影响因素[J].西安科技大学学报, 2007, 27(2):247-250
[11]	TING Yongdong, LI Ning.Affecting factors of the coal adsorbing methane capability[J].Journal of Xi' an University of Science and Technology, 2007, 27(2):247-250
[12]	牛国庆, 颜爱华, 刘明举.瓦斯吸附和解吸过程中温度变化实验研究[J].辽宁工程技术大学学报, 2003, 22(2):155-157
[13]	NIU Guoqing, YAN Aihua, LIU Ming-ju.Experimental study on temperature variation of gas being absorbed and extracted[J].Journal of Liaoning Technical University, 2003, 22(2):155-157
[14]	刘贝, 黄文辉, 敖卫华等.高阶煤的吸附性能及其影响因素—以沁水盆地柿庄区块为例[J].西安石油大学学报自然科学版, 2014, 29(5):31-37
[15]	LIU Bei, HUANG Wenhui, AO Weihua, et al.Adsorption capacity of high-rank coal and its influencing factors: taking Shizhuang block of Qinshui Basin as an example[J].Journal of Xi' an Shiyou University( Natural Science Edition), 2014, 29(5):31-37
[16]	钟玲文.煤的吸附性能及影响因素[J].中国地质大学学报, 2004, 29(3):327-332
[17]	ZHONG Lingwen.Adsorptive capacity of coals and Its affecting factors[J].Journal of China university of geosciences, 2004, 29(3):327-332
[18]	苏现波, 张丽萍, 林晓英.煤阶对煤的吸附能力的影响[J].天然气工业, 2015, 25(1):19-21
[19]	SU Xianbo, ZHANG Liping, LIN Xiaoyin.Influence of coal rank on coal adsorption capacity[J]. 2015, 25(1) : 19-21.[J].Natural Gas Industry, 2015, 25(1):19-21
[20]	姚艳斌, 刘大锰.华北重点矿区煤储层吸附特征及其影响因素[J].中国矿业大学学报, 2007, 36(3):308-314
[21]	YAO Yan-bin，LIU Da-meng.Adsorption characteristics ofcoal reservoirs in North China and its influencing factors[J].Journal of China University of Mining ＆ Technology, 2007, 36(3):308-314
[22]	张庆玲, 崔永君, 曹利戈.煤的等温吸附实验中各因素影响分析[J].煤田地质与勘探, 2004, 32(2):16-19
[23]	ZHANG Qingling, CUI Yongjun, CAO Li-ge.Analysis on different factors affecting coal isothermal adsorption test[J].Coal geology and exploration, 2004, 32(2):16-19
[24]	王伟.压力对煤瓦斯吸附解吸性能影响的实验研究[J].煤炭技术, 2016, 35(11):148-150
[25]	WANG Wei.Experimental Study of Pressure on Influence of Coal Gas Adsorption and Desorption[J].Coal Technology, 2016, 35(11):148-150
[26]	郝世雄, 王承洋, 江成发.固定碳对煤的孔结构和甲烷吸附量的影响[J].煤炭学报, 2012, 37(9):1477-1482
[27]	HAO Shixiong, WANG Chengyang, JIANG Chengfa.Influence of fixed carbon on coal textural character and methane adsorption capacity[J].Journal of China Coal Society, 2012, 37(9):1477-1482
[28]	钟玲文, 张新民.煤的吸附能力与其煤化程度和煤岩组成间的关系[J].煤田地质与勘探, 1990, 18(4):29-36
[29]	Zhong Lingwen，Zhang Xinmin.The relationship between coal adsorption capacith，degree of coalification and maceral composition[J].Coal Geology ＆ Exploration, 1990, 18(4):29-36
[30]	屈争辉.构造煤结构及其对瓦斯特性的控制机理研究[D]. 徐州: 中国矿业大学，2010.
[31]	Qu Zhenghui.Study of tectonized coal texture and its controlling mechanism upon gas properties[D]. Xuzhou: China University of Mining ＆ Technology, 2010.
[32]	孟召平, 刘珊珊, 王保玉等.不同煤体结构煤的吸附性能及其孔隙结构特征[J].煤炭学报, 2015, 40(8):1865-1870
[33]	Meng Zhaoping，Liu Shanshan，Wang Baoyu，et al.Adsorption capacity and its pore structure of coals with different coal body structure[J].Journal of China Coal Society, 2015, 40(8):1865-1870
[34]	路冠文.汪吉林, 张娅婷西南地区构造煤吸附解吸特性研究[J].煤矿安全, 2016, 47(2):9-13
[35]	LU Guanwen, WANG Jilin, ZHANG Yating, et al.Study on Gas Adsorption and Desorption Characteristics of Tectonic Coal in Southwest China[J].Safety in Coal Mines, 2016, 47(2):9-13
[36]	郝吉生，袁崇孚，张子戌.构造煤及其对煤与瓦斯突出的控制作用[J].焦作工学院学报自然科学版, 2000, 19(06):403-406
[37]	HAO Jisheng, YUAN Chongfu, ZHANG Zixu.The tectonic coal and its effects on coal and gas outburst[J].Journal of Jiaozuo Institute of Technology (Natural Science), 2000, 19(06):403-406
[38]	曾社教，马东民，王鹏刚.温度变化对煤层气解吸效果的影响[J].西安科技大学学报, 2009, 29(4):449-453
[39]	ZENG Shejiao, MA Dongmin, WANG Penggang.Effect of temperature changing on desorption of coalbed methane[J].Jouranal of Xi\an University of Science and Technology, 2009, 29(4):449-453
[40]	马东民, 韦波, 蔡忠勇.煤层气解吸特征的实验研究[J].地质学报, 2008, 82(10):1432-1436
[41]	MA Dongmin, WEI Bo, CAI Zhongyong.Experimental Study of Coalbed Methane Desorption[J].Acta Geologica Sinica, 2008, 82(10):1432-1436