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该文探讨了大兴煤矿可能发生水害的原因,并对大兴煤矿水害治理技术的现状进行了分析。指出只要矿井牢固树立水患意识,坚持"预测预报、有疑必探、先探后掘、先治后采"的防治水原则,采取"防、堵、疏、排、截"的综合治理措施,大兴煤矿的水害是完全可以避免的。 相似文献
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阐述了我国煤矿遭受水害的现状,类型,原因及危害性,提出了“管理是中心,工程是基础,科技进步是关键”的原则,对不同水害类型的矿区采取不同措施,防止重大水害事故的发生,减少水害损失,保证煤矿安全生产。 相似文献
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煤矿水害防治若干技术研究 总被引:1,自引:0,他引:1
针对矿井水害防治工作存在的问题,提出了开采条件安全技术论证,合理确定冒落带、冒落裂隙带和探水线,编制矿井水害防治技术监察表,布置补充探水眼等技术措施,强化煤矿水害防治工作,做到安全开采. 相似文献
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煤矿水害防治专家系统 总被引:1,自引:0,他引:1
介绍了煤矿水害防治专家系统(MWPCES)建立的背景,叙述了煤矿水害防治专家系统的突水水源判别、矿井涌(突)水量计算、水文地质类型确定等主要内容。阐明了系统结构及知识库、数据库、推理机、解释器、辅助模块的建立方式和编程手段,以演马庄煤矿为例,从判别矿井水评议地质类型,判别突水水源及突水能道,预测涌水量,提出水害治理措施,预防同类突水方案等方面演示了系统的运行结果。 相似文献
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水害是煤矿的五大自然灾害之一。近年来因各种原因,重大水灾事故时有发生,造成严重的经济损失和人员伤亡。现对大同市地方煤矿的水文地质条件和水害现状进行了分析研究,提出了相应的防治措施。 相似文献
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介绍了东欢坨矿-230m水平大巷注浆堵水技术。采用地面帷幕注浆切断对断层带的补给水源,充填断层带发生冒落形成的空洞,加固断层带及周围岩层,提高围岩强度,形成完整的闭合圈,解除F_2断层对巷道的威胁,恢复管棚巷道,确保矿井安全。 相似文献
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创建本质安全型煤矿确保煤矿安全生产 总被引:3,自引:0,他引:3
针对煤矿安全生产的特殊性,介绍了本质安全型煤矿的基本情况,阐述了为什么要实现本质安全型煤矿以及创建本质安全型煤矿的5个创新. 相似文献
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文章介绍了煤矿立井大管径多趟排水管道,在从管子道进入井筒时的三种敷设方法和途径,以及井筒底部排水管支撑梁的水锤冲击计算方法。在安全、技术及经济等方面进行了详细分析比较,对其他大涌水量矿井的排水系统管道的敷设具有借鉴意义。 相似文献
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Robert L. P. Kleinmann 《Mine Water and the Environment》1990,9(1-4):269-276
During the last two decades, the United States mining industry has greatly increased the amount it spends on pollution control. The application of biotechnology to mine water can reduce the industry's water treatment costs (estimated at over a million dollars a day) and improve water quality in streams and rivers adversely affected by acidic mine water draining from abandoned mines. Biological treatment of mine waste water is typically conducted in a series of small excavated ponds that resemble, in a superficial way, a small marsh area. The ponds are engineered to first facilitate bacterial oxidation of iron; ideally, the water then flows through a composted organic substrate that supports a population of sulfate-reducing bacteria. The latter process raises the pH. During the past four years, over 400 wetland water treatment systems have been built on mined lands as a result of research by the U.S. Bureau of Mines. In general, mine operators find that the wetlands reduce chemical treatment costs enough to repay the cost of wetland construction in less than a year. Actual rates of iron removal at field sites have been used to develop empirical sizing criteria based on iron loading and pH. If the pH is 6 or above, the wetland area (m2) required is equivalent to the iron load (grams/day) divided by 10. Theis requirement doubles at a pH of 4 to 5. At a pH below 4, the iron load (grams/day) should be divided by 2 to estimate the area required (m2). 相似文献
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