织纳煤田红梅煤矿煤中硫分特征及其成煤环境研究
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摘要
为分析贵州西部织纳煤田以发育海陆过渡相含煤岩系而成为研究高硫煤与成煤环境之间关系,根据地质勘探资料和煤心煤样的化验结果,对贵州织纳煤田织金矿区红梅煤矿煤中硫分在平面、垂向上分布特征及硫分组成特征与成煤环境的关系进行了研究。研究结果表明:该矿可采煤层全硫较高、变化较大;硫分垂向上总体呈先减小后增加的趋势;平面上主要呈现由南东向北西方向减小的趋势;形成于海进环境的7煤、21煤、23煤、27煤中高硫煤达80%以上,均分布在矿区南东部(靠海一侧),而形成于海退环境的17煤的硫分较低;黄铁矿硫(S_(p,d))含量的增加是导致该区煤中硫分变高的主要原因,硫分高低与泥炭沼泽受海水影响的程度有直接关系,综合分析确定6煤、7煤、21煤、23煤、27煤形成于浅水潟湖体系,受海水的影响程度较大;而16煤、17煤形成于潮控三角洲体系,受海水的影响程度较小。
The Zhijin-Nayong Coalfield in western Guizhou Province is well developed with marine-continental transitional facies and limestone markers,and thus became an ideal for studying sulfur characteristics and its paleoenvironment in coal.Based on geological exploration data and labor results of coal samples,the sulfur contents and distribution characteristics in coal as well as the relationship with paleoenvironment were studied in Hongmei Mine of Zhina Coalfield,Guizhou Province.The results show that in general the sulfur content of each coal seam is rather high,varied from a low sulfur to a high sulfur.In vertical direction,the sulfur content of different coal seams is reduced from high to low and from low to high.On the contour,the sulfur content in different areas of the same coal seam decreases gradually from the south east to the north west.The sulfur content in coal of No.7,21,23,27 seam formed transgressive period is up to 80%,distributed in the south east( near the sea side),and No.17 seam formed regressive period is a low sulfur coal.The increase of pyritic sulfur content is the main factor that leads to a high sulfur content of coal seam.The sulfur content and the influence of sea water in the study area has a direct relationship.The comprehensive analysis determined that No.6,7,21,23,27 seam in Hongmei Mine were formed in the shallow lagoon system under the influence of sea water and No.16,17 seam were formed in the delta system less affected by sea water.
The Zhijin-Nayong Coalfield in western Guizhou Province is well developed with marine-continental transitional facies and limestone markers,and thus became an ideal for studying sulfur characteristics and its paleoenvironment in coal.Based on geological exploration data and labor results of coal samples,the sulfur contents and distribution characteristics in coal as well as the relationship with paleoenvironment were studied in Hongmei Mine of Zhina Coalfield,Guizhou Province.The results show that in general the sulfur content of each coal seam is rather high,varied from a low sulfur to a high sulfur.In vertical direction,the sulfur content of different coal seams is reduced from high to low and from low to high.On the contour,the sulfur content in different areas of the same coal seam decreases gradually from the south east to the north west.The sulfur content in coal of No.7,21,23,27 seam formed transgressive period is up to 80%,distributed in the south east( near the sea side),and No.17 seam formed regressive period is a low sulfur coal.The increase of pyritic sulfur content is the main factor that leads to a high sulfur content of coal seam.The sulfur content and the influence of sea water in the study area has a direct relationship.The comprehensive analysis determined that No.6,7,21,23,27 seam in Hongmei Mine were formed in the shallow lagoon system under the influence of sea water and No.16,17 seam were formed in the delta system less affected by sea water.
引文
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[19]李焕同,李搛倬,李阳,等.彬长矿区胡家河井田煤质特征对成煤环境的指示意义[J].中国科技论文,2017,12(21):2431-2437.LI Huantong,LI Jianzhuo,LI Yang,et al.Significance of coal quality characteristics for coal forming environment of Hujiahe coalmine in Binchang mining area[J].China Science Paper,2017,12(21):2431-2437.
[20]赵师庆,王飞宇,董名山.论“沉积环境-成煤类型-煤质特征”概略成因模型-Ⅰ.环境与煤相[J].沉积学报,1994,12(1):32-39.ZAHO Shiqing,WANG Feiyu,DONG Mingshan.Discussion on the sedimentary environment-type of coal-forming-characteristic of coal quality:rough genetic model[J].Acta Sedimentologica Sinica,1994,12(1):32-39.
[21]汤达祯,杨起,周春光,等.华北晚古生代成煤沼泽微环境与煤中硫的成因关系研究[J].中国科学:D辑,2000,30(6):584-591.TANG Dazhen,YANG Qi,ZHOU Chunguang,et al.Study on the relationship between coal-forming swamp environment and the cause on sulfur in coal of the late Paleozoic,Huabei area[J].Science in China Series D-Earth Sciences,2000,30(6):584-591.
[2]秦勇,高第.贵州省煤层气资源潜力预测与评价[M].徐州:中国矿业大学出版社,2012:19-24.
[3]贵州省煤田地质局.贵州晚二叠世含煤地层沉积环境与聚煤规律[R].贵阳:贵州省煤田地质局,1991.
[4]徐彬彬,何德明.贵州煤田地质[M].徐州:中国矿业大学出版社,2003.
[5]向英福,陈宗富.贵州晚二叠世沉积相及其演化规律探讨[J].贵州地质,1989,6(3):191-202.XIANG Fuying,CHEN Zongfu.Discussion on sedimentary facies and their evolution of Late Permian in Guizhou[J].Guizhou Geology,1989,6(3):191-202.
[6]郭立君,洪愿进,邵龙义,等.黔西织纳煤田上二叠统层序地层及聚煤作用[J].古地理学报,2011,13(5)493-500.Guo Lijun,Hong Yuanjin,Shao Longyi,et al.Sequence stratigraphy and coal accumulation of the Upper Permian in Zhijin-Nayong Coalfield of western Guizhou Province[J].Journal of Palaeogeography,2011,13(5):493-500.
[7]贵州省煤田地质局一四二队.贵州省织金矿区红梅煤矿煤炭资源储量核实及补充勘探报告[R].贵阳:贵州省煤田地质局一四二队,2017.
[8]解习农,程守田.贵州织纳煤田晚二叠世海进海退旋回及煤聚积[J].煤田地质与勘探,1992,20(5):1-6.XIE Xinong,CHEN Shoutian.Transgressive-regressive cycles and coal accumulation of Upper Permian,Zhina Coalfield in Guizhou[J].Coal Geology&Exploration,1992,20(5):1-6.
[9]程伟,杨瑞东,崔玉朝,等.贵州毕节地区晚二叠世煤质特征及其成煤环境意义[J].地质学报,2013,87(11):1763-1777.CHENG Wei,YANG Ruidong,CUI Yuchao,et al.Characteristics of late Permian coal quality from Bijie,Guizhou Province and its significance for paleoenvironment[J].Acta Geological Sinica,2013,87(11):1763-1777.
[10]熊孟辉,秦勇,易同生.贵州晚二叠世含煤地层格局及其构造控制[J].中国矿业大学学报,2006,35(6):778-782.XIONG Menghui,QIN Yong,YI Tongsheng.Sedimentary patterns and structural controls of Late Permian coal-bearing strata in Guizhou[J].Journal of China University of Mining&Technology,2006,35(6):778-782.
[11]汪洋,刘志臣,李隆富.黔北煤田晚二叠世煤层含硫特征与沉积环境研究[J].煤炭科学技术,2017,45(2):185-190.WANG Yang,LIU Zhichen,LI Longfu.Study on coal sulfur content and sedimentary environment of Permian seams in northern Guizhou Coalfield[J].Coal Science and Technology,2017,45(2):185-190.
[12]肖建新.一种低能障壁-潟湖含煤沉积体系:以贵州织金晚二叠世煤系上部为例[J].煤田地质与勘探,1997,25(4):1-3.XIAO Jianxin.One coal-bearing low energy barrierlagoon depositional system:taking upper coal measures in Late Permian in Zhijing area,Guizhou Province as an example[J].Coal Geology&Exploration,1997,25(4):1-3.
[13]黄昔容,陶述平.贵州织金晚二叠世的沉积环境分析[J].贵州地质,1996,16(4):301-306.HUANG Xirong,TAO Shuping.Analysis on sedimentary environment of Upper Permian in Zhijin Region of Guizhou[J].Guizhou Geology,1996,16(4):301-306.
[14]胡军,郑宝山,王明仕,等.中国煤中硫的分布特征及成因[J].煤炭转化,2005,28(4):1-6.Hu Jun,Zheng Baoshan,Wang Mingshi,et al.Distribution and forming cause of sulfur in Chinese coals[J].Coal Conversion,2005,28(4):1-6.
[15]赵福平.贵州省晚二叠世煤中硫的分布特征及成因[J].煤炭转化,2007,30(3):16-20.Zhao Fuping.Cause and distribution sulfurous content of the late Permian coal in Guizhou Province[J].Coal Conversion,2007,30(3):16-20.
[16]张双全.煤化学[M].徐州:中国矿业大学出版社,2004.
[17]韩钖周.贵州煤层中硫分的分布特征[J].贵州煤炭,1987(2):1-15.HAN Yangzhou.Distribution sulfurous content of the coal in Guizhou Province[J].Guizhou Goal,1987,(2):1-5.
[18]王胜建,高为,郭天旭,等.黔北林华井田煤质参数特征及其成煤沉积环境意义[J].煤炭科学技术,2017,45(10):162-169.WANG Shengjian,GAO Wei,GUO Tianxu,et al.Coal quality parameters features and coal formation sedimentary environment significance of Linhua Minefield in north Guizhou[J].Coal Science and Technology,2016,44(2):55-61.
[19]李焕同,李搛倬,李阳,等.彬长矿区胡家河井田煤质特征对成煤环境的指示意义[J].中国科技论文,2017,12(21):2431-2437.LI Huantong,LI Jianzhuo,LI Yang,et al.Significance of coal quality characteristics for coal forming environment of Hujiahe coalmine in Binchang mining area[J].China Science Paper,2017,12(21):2431-2437.
[20]赵师庆,王飞宇,董名山.论“沉积环境-成煤类型-煤质特征”概略成因模型-Ⅰ.环境与煤相[J].沉积学报,1994,12(1):32-39.ZAHO Shiqing,WANG Feiyu,DONG Mingshan.Discussion on the sedimentary environment-type of coal-forming-characteristic of coal quality:rough genetic model[J].Acta Sedimentologica Sinica,1994,12(1):32-39.
[21]汤达祯,杨起,周春光,等.华北晚古生代成煤沼泽微环境与煤中硫的成因关系研究[J].中国科学:D辑,2000,30(6):584-591.TANG Dazhen,YANG Qi,ZHOU Chunguang,et al.Study on the relationship between coal-forming swamp environment and the cause on sulfur in coal of the late Paleozoic,Huabei area[J].Science in China Series D-Earth Sciences,2000,30(6):584-591.
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