达子沟煤矿井下超没前探测设计方案_修改20111109.doc
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1、达子沟煤业有限责任公司井下超前探测工作设计方案达子沟煤业有限责任公司中煤科工集团重庆研究院二一一年十一月责 任 表编 写:复 核:审 查:达子沟煤业有限责任公司中煤科工集团重庆研究院二一一年十一月目 录一、前 言1二、工作目的与任务4三、工作方法与技术要求4四、工作进程7五、预期提交成果7六、经费预算7一、前 言山西煤炭运销集团达子沟煤业有限责任公司位于大同市南郊区高山镇碾子沟村南,行政区隶属于大同市南郊区。地理坐标为:东经11257 18-112 5938,北纬 4001 12-4002 492009年11月27日山西省国土资源厅颁发新采矿证,证号C140000200911122004650
2、6,有效期2年,采矿证界定的矿区范围拐点坐标如下表1,矿界示意图见图1。图1 矿井周界示意图表1 矿井控制点坐标煤层点号西安80、6度带坐标北京54、6度带坐标XYXY214435525.5619666965.194435571.99719667036.39724435787.7619667054.494435834.19619667125.69634435814.5619668634.804435861.00019668705.99944436691.5619669582.814436737.99919669654.00354436096.5619670102.814436143.00319
3、671174.00364435045.5619668687.804435092.00319668759.00174434619.4619668120.104434665.90319668191.30584434397.5619668077.794434444.00419668148.99694434418.5619668039.794434465.00419668110.996104434427.5619668014.794434474.00419668085.996114434451.5619667932.794434498.00319668003.996124434467.56196679
4、16.094434514.00319667987.296134434320.5619667718.794434367.00319667789.997煤层点号西安80、6度带坐标北京54、6度带坐标XYXY781114435787.7619667054.494435834.19619667125.69624435814.5619668634.804435861.00019668705.99934436691.5619669582.814436737.99919669654.00344436096.5619670102.814436143.00319670174.00354435045.56196
5、68687.804435092.00319668759.00164434901.5619668498.804434948.00319668570.00274434144.5519669058.804434190.99819669130.00284433787.5519668711.804433833.99819668783.00594433803.5519668694.804433849.99819668766.005104433615.5519668572.794433661.99819668643.996114433961.5519668229.794434007.99619668300.
6、996124433614.5519667909.794433687.99719667980.998134434096.5619667424.794434143.00319667495.999144434320.5619667718.794434367.00319667799.997154435525.5619666965.194435571.99719667036.397煤层点号西安80、6度带坐标北京54、6度带坐标XYXY121414435525.5619666965.194435571.99719667036.39724435787.7619667054.494435834.196196
7、67125.69634435814.5619668634.804435861.00019668705.99944436691.5619669582.814434738.00719669654.00954436096.5619670102.814436143.00319670174.00364435045.5619668687.804435092.00319668759.00174434320.5619667718.794434367.00319667789.997(注:西安80坐标录至新采矿证,北京54坐标由80坐标换算而成)井田南北宽1.90km,东西长约2.20km,面积3.8769km2
8、,批采2、7、8、11、12、14号煤层,开采深度由1307至1055m标高。井田位于大同煤田西北部,距大同市25km,区内有简易公路向北5km到旧高山与109国道相接,铁路有大同至旧高山运煤专线,生产煤炭可经大秦铁路或北同蒲铁路运往全国各地,交通十分便利,其交通位置示意图见图2。图2 矿井地理位置图二、工作目的与任务根据双方签订的合同及煤矿水防治规定(国家安全生产监督管理总局令第28号)等相关法规、技术规范,探测目的与任务内容如下:在本矿各掘进头的掘进过程中采用物探方法进行掘进头超前探测,以查清迎头前方80m范围内的采空区、富水区分布情况及地质导水或富水构造,为甲方巷道迎头掘进工作提供物探成
9、果资料和安全措施。探测距离根据现场实际地质条件在80100米之间。掘进头超前探测时,水平扇形探测掘进头左右探测控制的距离60100米,纵向扇形探测掘进头巷道上下探测控制距离为60100米。三、工作方法与技术要求根据近年来我所矿井物探理论研究及工程实践表明:探测含水异常体采用矿井瞬变电磁法是最佳选择。故本方案亦采用本质安全型瞬变电磁仪。瞬变电磁法(TEM:Transient Electromagnetic Method)是一种脉冲感应类电法,属于时间域电磁法。它通过不接地回线向勘探目标发送一次磁场,测量一次场激励电源关断后一段时间内的二次磁场变化,通过二次磁场衰减变化的信号特征来解释和反演掘进面
10、前方的介质结构的性状。瞬变电磁法的激励场源主要有两种,一种是回线形式(或载流线圈)的磁源,另一种是接地电极形式的电流源。下面以均匀大地的瞬变电磁响应为例,来讨论回线形式磁偶源激发的瞬变电磁场,从而阐述瞬变电磁法测深的基本理论。在导电率为、导磁率为的均匀各向同性大地表面敷设面积为S的矩形发射回线在回线中供以阶跃脉冲电流 (1)在电流断开之前(时),发射电流在回线周围的大地和空间中建立起一个稳定的磁场,如图3所示。图3 矩形框磁力线在t=0时刻,将电流突然断开,由该电流产生的磁场也立即消失。一次磁场的这一剧烈变化通过空气和地下导电介质传至回线周围的大地中,并在大地中激发出感应电流以维持发射电流断开
11、之前存在的磁场、使空间的磁场不会即刻消失。由于介质的欧姆损耗,这一感应电流将迅速衰减,由它产生的磁场也随之迅速衰减,这种迅速衰减的磁场又在其周围的地下介质中感应出新的强度更弱的涡流。这一过程继续下去,直至大地的欧姆损耗将磁场能量消耗完毕为止。这便是大地中的瞬变电磁过程,伴随这一过程存在的电磁场便是大地的瞬变电磁场。选用了煤炭科研研究总院重庆研究院自行研制的本质安全型YCS-40瞬变电磁仪,该套系统完全能够满足本项目的要求,其瞬变电磁仪主要技术指标如下:工作频率:225Hz、75Hz、25Hz、8.3Hz、2.5Hz、0.83Hz、0.25Hz;发射电流:1A20A,发射供电电压12V48V;记
12、录(时窗)时间:0.008ms864ms;叠加次数:322048;测道数:40道;存储容量:2048个测点;传输接口:RS-232C串口、USB口;传输格式:自定;传送速度:28.8K/s。测量装置可根据具体情况作出相应的调整,一般情况下采用重叠回线装置,偶极装置;发射线框和接受线框采用多匝小回线圈,必要的情况下接受线框根据工作需要也采用相应的磁探头。掘进头探测形式扇形探测方式,分水平和垂直两个方向扫描,水平方向扫描左右各50范围,每10一个测点,共11个测点,垂直方向相似,扫描上下各50范围,每10一个测点,共11个测点。探测布置示意图如下:(a) (b)(a) 横向扇形探测布置 (b) 纵
13、向扇形探测布置图4 瞬变电磁法测点布置示意图矿井瞬变电磁法顶底板及侧帮探测方法跟前面的掘进面超前探测一样,也是基于全空间矿井瞬变电磁法理论的。装置型式一般也只能选择多匝小线圈重叠式的。由于物探成果资料解释的多解性、复杂性,物探探测成果必须结合钻探方法进行验证,以确保资料的可靠性和准确性。具体验证钻孔施工设计依据国家颁布的煤矿防治水规定(国家安全监管总局令第28号)相关要求和物探成果资料布置。具体施工设计方案如下:当在探测范围内出现低阻异常区域时,必须一次性向低阻异常区域钻探150m验证物探成果资料可靠性和准确性,当探测未出现低阻异常区域时,根据相关规定也必须向正前方打钻验证验证物探资料的可靠性
14、和准确性。因物探成果资料是前方立体空间探测成果,钻机必须能准确向前方左右、上下物探探测区域钻探100150米进行,每一轮物探探测结果,采用钻探进行验证,控制范围及技术要求需每一轮编制探放水技术措施及设计,确保矿井安全生产。四、工作进程探测具体时间由双方商定,探测具体掘进工作面由矿方决定。从探测之日起,五天时间内提交探测报告电子版,两周之内提交纸质正式报告。五、预期提交成果1、现场采集原始数据;2、物探具体成果图;3、每次探测报告。4、每一轮探测结果的钻探验证方案及探放水技术措施及设计。以上成果均含相应电子文档。六、经费预算项目预算依照当前矿井物探市场价格及具体探测方式进行编制1. 矿井瞬变电磁
15、法连续跟踪探测:以500元米计价收费,预计探测进尺3000米(按实际探测进尺进行计算),共计150万元;2. 每一轮探测结果编制钻探验证专项设计方案及探放水技术措施费用:3.8万元/次。115(英文版 ) easily blame, to prevent the broken window effect. Supervise the leading cadres to play an exemplary role, take the lead in the strict implementation of the and , lead to safeguard the solemnity an
16、d authority of the party discipline, ensure that the party discipline and the laws and regulations for implementation in place. Throughout the discipline in the daily supervision and management, strengthen supervision and inspection, from the thorough investigation of violations of discipline behavi
17、or. Strengthen to key areas, key departments and key projects as well as the masses reflect the concentration of the units and departments for supervision. - strengthening supervision, discipline inspection and supervision of cadres to set an example for compliance with the and is a man must be hexy
18、l, blacksmith needs its own hardware. Discipline inspection organs as the executor of the party discipline, and supervisor of the defenders, for its supervision must be more strictly, discipline inspection and supervision of cadres to firmly establish the awareness of Party Constitution, sense of di
19、scipline and rules consciousness, politics loyalty, sense obey. Action speak Ji Ordinance to set an example of the regulations of the rule of law, strengthen supervision and accept the supervision of the firmness and consciousness, do comply with and . To firmly establish the discipline must first b
20、e disciplined, the supervisor will be subject to the supervision of concept, and consciously safeguard and implement party compasses party, take the lead in practicing three strict real strict, so loyal, clean, play. To be good at learning, the Constitution and the as morality, politics and brought
21、to fruition; to implement , do not want to, dare not, not with disciplinary ruler to supervision; to discipline a ruler, often the control inspection, and consciously in the ideological red line to draw the row Ming Good accumulation is indeed the bottom line, so that the heart has fear, said to hav
22、e quit, the line has ended. Attached: indifferent to heart, calmly to the table in our life, there are many unpredictable things will happen, some good, some bad things, we cannot control is powerless to stop, but with time, you will find in life sometimes turns out to be not good, some bad things f
23、inally turned out to be a good thing, but then we muddy however did not know, this is the life teach us things. 1, life can be complex, can also be simple. Want simple life of precipitation, to have enough time to reflect, to make Become more perfect. Life is the most important thing is not to win,
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