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预测煤巷突出危险性的连续流量法研究
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摘要
煤与瓦斯突出是威胁煤矿安全生产的严重自然灾害之一,而煤巷掘进时期发生的煤与瓦斯突出次数占矿井突出总次数的首位。因此,进行煤巷掘进工作面的突出预测研究具有非常重要的意义。本文针对煤巷掘进工作面突出预测指标存在的共性问题,结合国内外预测现状,提出了连续流量法煤巷突出预测技术,并对钻孔瓦斯动态涌出规律、预测设备研制、现场试验等关键技术进行了系统的研究。
     文中综述了目前国内外煤巷掘进工作面突出预测的研究现状,分析了目前我国煤巷掘进工作面突出预测技术存在的问题,指出了煤巷掘进工作面动态法预测指标的技术途径。以И.В.包布洛夫的卸压带理论为基础,根据球壳失稳机理及初始释放瓦斯膨胀测定原理,提出了连续测定钻孔过程中的钻孔瓦斯涌出量随钻进深度的变化曲线,该曲线能够综合反映地应力、瓦斯压力和煤体强度对突出危险的影响,能够表征掘进工作面前方的突出危险性。
     利用FLAC3D为工具,建立了在硬煤和硬煤中含构造煤情况下,钻进过程孔壁瓦斯涌出的动态模型,同时以FICK扩散定律为理论基础,结合煤屑瓦斯涌出过程的基本特点,推导出煤屑瓦斯累计涌出量与时间的关系方程,并利用数学叠加的方法,得到钻孔过程中钻孔瓦斯涌出量随钻进深度变化的动态规律:在钻孔钻进过程中,随钻孔深度的逐渐延伸,钻孔瓦斯涌出量不断增加,停钻瞬间钻孔瓦斯涌出量最大;在遇到构造煤的情况下,会出现拐点,钻孔瓦斯涌出量会出现激增,其变化趋势仍然随钻孔深度的增加逐渐递增。
     通过对钻孔密封机理及煤巷突出预测装置的钻孔密封段的封孔要求及各种影响因素分析,在流体力学、渗漏力学以及密封学的基础上,得出了密封段气体泄漏量的理论计算公式以及其与钻孔直径、封孔器与钻孔周边的间隙以及封孔长度的关系。
     研制了ZTL20/1000型连续流量法煤巷突出预测装置[0],该装置能够实现在钻孔钻进过程中对钻孔中瓦斯涌出量以及钻孔深度进行实时数据采集,且能够将所采集到的数据进行显示、储存,并能够反馈控制整个装置。
     首次利用该套设备在薛湖煤矿进行现场试验,得到了硬煤中含构造煤钻孔瓦斯涌出量随钻进深度变化的基本规律,并利用该规律准确预测了掘进工作面前方突出危险性,同时确定了构造煤的分布位置,为如何采取防突措施提供了正确依据,提高了掘进速度,创造了良好的经济效益和安全效益。
Coal and gad outburst is one of most serious natural disasters that threaten coal mine safe product, while the number of coal and gas outburst in advancing coal way accounts for the top of the total number of coal and gas outburst in coal mines. So research on outburst prediction of advancing coal way makes sense very much.
     By analyzing common questions of existing outburst predict indicators of advancing coal way, and research status quo in domestic and abroad, the technology of continual flux method to predict outburst in coal way is brought forward in this paper. Dynamic releasing law of methane in borehole, equipment manufacturing for prediction and trial in coal mine are also studied in this paper.
     This paper summarizes the research actuality of outburst prediction of advancing coal way in domestic and abroad, analyzes shortage of existing predictive technology in China, finds the technical approach to establish predictive indicator of advancing coal way. OnИ.В. Paclv’s theory from the former Soviet Union basis, the author established indicator by measuring initial releasing flux in borehole continually, which can reflect the influence of geological stress, methane pressure and coal intensity which can be as a token of coal and gas outburst in front of the advancing workface. The author’s academic basis is pressure-release area theory and spherical shell lose stability theory.
     The author established dynamic model of methane released from borehole wall in the course of drilling in bastard coal and in structure coal that in bastard coal using Flac3d software; derived formula between accumulated methane volume from coal dust and time, based on FICK diffusion law, associated with characteristic of methane release from coal dust; and also derived dynamic law of released methane volume from borehole in the period of drilling with drill length by mathematic superposition method: in the course of drilling, methane volume released from borehole wall increases gradually while the length of borehole extended, methane volume comes to peak at the moment drill length does not extend; under circumstance of falling across structure coal there will be a inflexion, a sudden increase will be present.
     On fluid mechanics, leakage mechanics and seal doctrine basis, according to analyzing borehole seal mechanism and the demands of predictive equipment and any other factors, author derived formula of leakage volume, and relationship among borehole diameter, clearance between borehole seal equipment and borehole and seal length.
     Continual flux method coal way outburst predictive equipment ZTL20/1000 is invented. The equipment not only realize real time data selection with borehole length extended but also realize data display, data storage and feedback control.
     The equipment has been used in XueHu coal mine ,not only validates the dynamic law referred before, but also predicts the distribution of structure coal in front of advancing workface, which provide coal mine for correct advice that whether or not to take action to prevent outburst, which speed up advance efficiency, generate better economic benefit and safety benefit.
引文
[1]俞启香.矿井瓦斯防治.徐州:中国矿业大学出版社,1992.
    [2]中华人民共和国煤炭工业部.防治煤与瓦斯突出细则.北京:煤炭工业出版社,1995.
    [3]蒋承林,俞启香.煤与瓦斯突出的球壳失稳机理及防治技术.徐州:中国矿业大学出版社,1998.
    [4]于不凡.国内外煤和瓦斯突出日常预测研究综述.见:煤炭科学研究总院重庆分院编.煤与瓦斯突出预测资料汇编,1987.
    [5]丰城矿务局,焦作矿业学院.煤与瓦斯突出点预测方法.见:科研鉴定资料,1984
    [6]范启炜.工作面钻孔瓦斯涌出初速度特征分析.[硕士学位论文]:抚顺,煤炭科学研究总院抚顺分院,1985.
    [7]王克全.突出煤层钻孔瓦斯涌出特点研究.[硕士学位论文]:重庆,煤炭科学研究总院重庆分院,1986.
    [8]中国矿业大学.钻孔排出物预报煤和瓦斯突出机理.见:煤炭科学基金项目研究报告,1992.
    [9]原中国统配煤矿总公司安全管理局,煤炭科学研究总院重庆分院编译.煤矿和页岩矿安全规程(1986年版)附件:苏联煤、岩和瓦斯突出危险层安全开采细则(1989年版),1991.
    [10]王宏图,鲜学福等.用温度指标预测掘进工作面突出危险性的探讨.重庆大学学报.1999.3:34-38.
    [11]曾庆阳.矿井通风监测技术预报煤与瓦斯突出初探.煤炭工程师.1994.4:28-35.
    [13]煤炭科学研究总院抚顺分院,北票矿务局.北票综合防突措施研究.见:国家“七五”科技攻关项目技术鉴定资料,1990.
    [14]蔡成功等.MD-2型煤钻屑瓦斯解吸仪.煤矿安全,1992,(7).
    [15]杨其宗.国外煤(岩)和瓦斯突出机理的研究现状.国外煤和瓦斯突出资料汇编(第一集).科学文献出版社重庆分社,1978年.
    [16]В.Н.普则列夫.苏联根据钻孔瓦斯泄出量预测煤和瓦斯突出的方法.国外煤和瓦斯突出资料汇编(第一集).重庆:科学技术文献出版社重庆分社,1978.
    [17]煤炭科学研究总院重庆分院瓦斯突出预测小组.煤与瓦斯突出预测预报的研究.煤炭工程师,1986,(4).
    [18]刘明举.计算机模式识别技术在煤与瓦斯突出预测预报中的作用.瓦斯地质,1989,(1).
    [19]В.Н.普则列夫.苏联根据钻孔瓦斯泄出量预测煤和瓦斯突出的方法.国外煤和瓦斯突出资料汇编(第一集).重庆:科学技术文献出版社重庆分社,1978.
    [20]王显政.煤矿安全新技术.北京:煤炭工业出版社,2002.
    [21]苏文叔.利用瓦斯涌出动态指标预测煤与瓦斯突出.煤炭工程师,1996(5).
    [22] Sun Jian .Sealing performance analysis of rubber O-ring for fluid sealing. Lubrication Engineering. 2006, p 102-105.
    [23]杨其中.煤与瓦斯突出预测预报发展方向的探讨.见:煤炭科学研究总院重庆分院编.煤与瓦斯突出预测资料汇编,1987.
    [24]煤炭科学技术信息研究所.国外主要产煤国家煤矿安全技术发展动向.1993.57.
    [25]李中成,朱凤山.国外煤矿安全科技动态及我国“九五”期间煤矿安全科技发展方向.煤矿安全,1997,(5):25~28.
    [26]王佑安,王魁军.工作面突出危险性预测敏感指标确定方法探讨.煤矿安全,1991,(10):9~14.
    [27]煤炭科学研究总院抚顺分院等.工作面突出预测敏感指标及临界值的确定.国家“八五”科技攻关项目课题研究报告,1995.12.
    [28]林柏泉,周世宁等.煤巷卸压带及其在煤和瓦斯突出危险性预测中的应用.中国矿业大学学报,1993.
    [29]秦祥基.关于钻孔瓦斯涌出初速度法预测煤巷掘进工作面突出危险性的探讨.焦作矿业学院学报.1993.
    [30]赵旭生,刘胜.钻屑瓦斯解吸指标K1值测定误差的影响因素.矿业安全与环保.2002..
    [31] H.Janace.煤的解吸沼气量和瓦斯涌出情况.李建英译.川煤科技,1981(1).
    [32]胡千庭.WTC瓦斯突出参数仪及其应用.煤炭工程师,1994(6).
    [33] R.Revalor,O.Dechelette and M.Verstraete.Detection of Coal Bump Risk Situations Using Seismoacoustic Monitoring at the Province Collieries.Mining Science &.Technology,1986(4)
    [34]王佑安,杨其銮.煤和瓦斯突出危险性预测.见:煤炭科学研究总院重庆分院编.煤与瓦斯突出预测资料汇编,1983.
    [35] G.H.Carson,J.Gravina and L.N.Arnold.A Dual Microseismic Monitor for Use in Gassy Coal Mines.Report No.51.Commonwealth Scientific and Industrial Research rganization,Institute of Energy and Earth Resources,Division of Geomechanics,1983.
    [36] N.Rigby.Development and Application of An Underground Microseismic Monitoring System for Outbursts Prone Coal Mines.The Mining Engineering,1989(11).
    [37]王显政.煤矿安全新技术.北京:煤炭工业出版社,2002.
    [38]何学秋,刘明举.含瓦斯煤岩破坏电磁阀.煤矿安全,1985(2).
    [39]何学秋,王恩元,聂百胜等.煤岩流变电磁动力学.北京:科学出版社,2003.
    [40]王凯,俞启香.煤与瓦斯突出的非线性特征及预测模型.徐州:中国矿业大学出版社,2005.
    [41]梁冰.煤与瓦斯突出的固流耦合失稳理论的研究:(博士学位论文).沈阳:东北大学,1994.
    [42]秦祥基.关于钻孔瓦斯涌出初速度法预测煤巷掘进工作面突出危险性的探讨.焦作矿业学院学报.1993(3).
    [43]何学秋.含瓦斯煤岩流变动力学.徐州:中国矿业大学出版社,1995.
    [44] B.H.普则列夫.突出预测指标S max、K 1临界值确定方法的探讨.煤炭工程师,1992(1).
    [45]丰城矿务局,焦作矿业学院,煤与瓦斯突出点预测方法.见:科研鉴定资料,1984.
    [46]范启炜.工作面钻孔瓦斯涌出初速度特征分析:(硕士学位论文).抚顺:煤炭科学研究总院抚顺分院,1985.
    [47]丰城矿物局,点预报煤与瓦斯突出的方法,1984.5.
    [48]苏文叔,利用瓦斯涌出动态指标预测煤与瓦斯突出,煤炭工程师,1996.5 (2-7).
    [49]蒋承林,煤壁突出孔洞的形成机理研究,《岩石力学与工程学报》,2000,No.2,P23~26.
    [50] Jiang, Chenglin.Study on restraining coal and gas outburst by increasing air pressure in tunnel. Journal of China University of Mining & Technology 2000, p381-384.
    [51]蒋承林,俞启香,煤与瓦斯突出过程中能量耗散规律的研究,《煤炭学报》,(1996),No.2,P173~178.
    [52]蒋承林,陈松立,陈燕云,煤样的初始释放瓦斯膨胀能测定,《岩石力学与工程.报》,(1996),No.4,P395~400.
    [53]华安增.矿山岩石力学基础.北京:煤炭工业出版社,1980.
    [54]中国航空研究院.应力强度因子手册.北京:科学出版社,1981.
    [55]李贺.岩石断裂力学.重庆:重庆大学出版社,1988.
    [56] Cyrul, T. Prediction of rock and gas outburst occurrence. Engineering Geology. 1993, p 241-250
    [57] Roark R J,Young W C.应力应变公式.汪一麟,汪一骏译.北京:中国建筑工业出版社,1985.
    [58]余楚新,鲜学福,谭学术.煤层瓦斯流动理论及渗流控制方程的研究.重庆大学学报,1989,12(5):1–10.
    [59]孙培德,鲜学福.煤层瓦斯渗流力学的研究进展.焦作工学院学报(自然科学版),2001,20(3):161–167.
    [60]周世宁.瓦斯在煤层中流动的机理.煤炭学报,1990,15(1):15–24.
    [61]杨其銮,王佑安.煤屑瓦斯扩散理论及其应用.煤炭学报,1986(3):87–93.
    [62]焦作矿务局科研所,焦作矿务局九里山矿.焦作矿区矿井瓦斯综合治理研究报告,1990.
    [63]宋元明.钻孔排出物预测预报煤和瓦斯突出的试验研究.[硕士学位论文]:徐州,中国矿业大学,1988.
    [64]林柏泉,张仁贵.钻孔周围煤体中瓦斯流动的理论分析[J].煤炭工程师, 1996(3):14-18.
    [65]柏发松.煤层钻孔瓦斯流量的数值模拟.安徽理工大学学报(自然科学版),2004(6):9-13.
    [66]胡殿明,林柏泉.煤层瓦斯赋存规律及防治技术.中国矿业大学出版社.2006.11.
    [67]В.В.霍多特(宋世钊,王佑安译).煤和瓦斯突出.中国工业出版社,1966.
    [68]屠锡银,马丕梁.阳泉低透气性煤层瓦斯抽放参数计算.见:第22届国际采矿安全会议.
    [69]刘雪峰,程远平等.矿井通风安全管理计算方法与程序设计.徐州:中国矿业大学出版社,1991.
    [70] Jost,w. Diffusion in Solids,Liquids,Gases,Academic,Press,Germany,1952.
    [71] Pickford, R., .Papers Presented at the 10th International Conference on Fluid Sealing . Conference on Fluid Sealing, 1984.
    [72]杨其銮,王佑安.瓦斯球向流动的数学模拟.中国矿业学院学报.1988.3,(55-61).
    [73] Liu, Baoxian.Research on the mechanism and prediction of delay outburst of coal and gas. Chinese Journal of Rock Mechanics and Engineering. 2002, p 647-650.
    [74] Patino Douce A. E. , Humphreys E. D. and Jackson A. D. .Anatexis and metamorphism in tectonically thickened continental crust exemplified by the Sevier hinterland, western North America.Earth and Planetary Science Letters, 1990,97(3–4):290–315
    [75] Zhang Y, Hobbs B. E. and Ord A.Computer simulation of single layer buckling and its associated cleavage development.Geology Science of Australia, 1994(36):185–186
    [76] Zhang Y, Scheibner E, Hobbs B. E. and Ord A, et al.Lithospheric structure in Southeast Australia: a model based on gravity, geoid and mechanical analysis.The AGU Geodynamic Series: Structure and Ebolution of Australian Continent, 1998(26):89–108
    [77]龚纪文,席先武,王岳军等.应力与变形的数值模型方法.华东地质学院学报,2002,25(3):220–227.
    [78] ITASCA Consulting Group. Inc.THEORY AND BACKGROUND,1999
    [79] ITASCA Consulting Group. Inc.FLAC Basics,1999
    [80] ITASCA Consulting Group. Inc.USER’S GUIDE,1999
    [81]徐芝纶.弹性力学简明教程.北京:人民教育出版社,1980.
    [82](德)海因茨·K.米勒(Heinz K. Muller),(英)伯纳德·S.纳乌(Bernard S. Nau)著流体密封技术,北京:机械工业出版社,2002.
    [83] E.迈尔著.机械密封.北京:化学工业出版社,1981.
    [84]顾伯勤.流体力学.北京:中国科学文化出版社,2002.
    [85]林柏泉.三相泡沫流体密封技术及其应用,徐州:中国矿业大学出版社,1997.
    [86] 18th International Conference on Fluid Sealing. Sealing Technology. 2005, p 5-6
    [87]张也影.流体力学。北京:高等教育出版社,1986.
    [88]胡忆沩.动态密封技术.北京:国防工业出版社,1998.
    [89]林柏泉,周世宁.三相泡沫流体密封技术及其应用.煤炭学报,1995,(3):245~249。
    [90]林柏泉,张人贵.钻孔的流体密封机理及其影响因素分析.中国矿业大学学报,1996,(1):P28~33.
    [91] Müller H K & Nau B S.Fluid sealing Sealing Technology.New York:John Wiley &Sons.Inc.1962.
    [92]胡永宏,贺思辉.综合评价方法.北京:科学出版社,2000.
    [93]魏龙.密封技术.北京:北京:化学工业出版社,2004.
    [94]梁星宇.丁晴橡胶应用技术.北京:化学工业出版社.2004.
    [95]龚积球等.橡胶件的工程设计及应用.上海:上海交通大学出版社.2003.
    [96]中川洋.防止泄漏的理论和实际应用.北京:化学工业出版社,1978.
    [97]顾伯勤.检漏方法及选用。石油化工设备,1998.
    [98]顾伯勤.检漏方法及其选用.石油化工设备,1998.
    [99] Hoyes, J.,. 17th international conference on fluid sealing. International Conference on Fluid Sealing. 2003.
    [100] B.S.纳乌尔主编.国际流体密封会议文集。北京:机械工业出版社,1991.3.
    [101] K.Y.Haramy,etal.Control of Coal Mine Bursts.Mining Engineering,1988(4).
    [102] Exxon Chemical.Chlorobutyl Rubber Compounding and Applications.1998.
    [103]蔡峰.煤巷掘进过程中煤与瓦斯突出机理的研究.安徽理工大学.2005.4.
    [104]李运强.煤层潜在突出危险性评价技术的研究.中国地质大学(北京).2006.5.
    [105]陆武,郭德勇.煤体结构在煤与瓦斯突出研究中的应用.煤炭科学技术,1996,24(7):49~51.
    [106]陈松立,蒋承林.初始解吸瓦斯流量测量系统的研究.中国矿业大学学报,2002.7.

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