| 高水压巨厚砂砾层裂隙岩体下控水采煤技术 |
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| 引用本文： | 康永华,赵开全,檀双英. 高水压巨厚砂砾层裂隙岩体下控水采煤技术[J]. 煤炭科学技术, 2009, 37(1) |
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| 作者姓名： | 康永华 赵开全 檀双英 |
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| 作者单位： | 康永华,KANG Yong-hua(天地科技股份有限公司开采设计事业部,北京,100013);赵开全,ZHAO Kai-quan(皖北煤电集团公司,安徽,宿州,234000);檀双英,TAN Shuang-ying(皖北煤电集团公司祁东煤矿,安徽,宿州,234000) |
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| 基金项目： | 国家科技支撑计划重点项目 |
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| 摘 要： | 以宿州煤田的祁东煤矿地质采矿条件为例,阐述了原生纵向裂隙发育覆岩及高水压巨厚含水砂砾层作用条件的特征和控水采煤技术的原理;采用控水采煤技术,通过调整和控制采动影响引起的张裂性破坏区的发育程度及其渗透性变化来控制采煤工作面涌水量大小及其有无涌水.同时还考虑到了未受到采动破坏性影响的保护层的渗透性因素,并结合高水压水体对于裂隙岩体条件下的导水裂缝带高度和保护层厚度的作用和影响,通过完善的控水采煤安全措施的实施,实现了7,14、7112两综采工作面有限程度砂砾层涌水和无砂砾层涌水形式下的安全生产.
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| 关 键 词： | 综采 高水压 中硬覆岩 控水采煤 |
Water Controlled Coal Mining Technology Under Cracking Strata of Super Thick Gravel Layer with High Pressurized Water |
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| KANG Yong-hua ZHAO Kai-quan TAN Shuang-ying. Water Controlled Coal Mining Technology Under Cracking Strata of Super Thick Gravel Layer with High Pressurized Water[J]. Coal Science and Technology, 2009, 37(1) |
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| Authors: | KANG Yong-hua ZHAO Kai-quan TAN Shuang-ying |
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| Affiliation: | 1.Mining and Design Department;Tiandi Science and Technology Company Ltd.;Beijing 100013;China;2.Wanbei Electric Power and Coal Group Corporation;Suzhou 234000;3.Qidong Mine;Wanbei Electric Power and Coal Group Corporation;China |
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| Abstract: | Taking the geological mining conditions of the Qidong Mine in Suzhou Coalfield as an example,the paper stated the features of the original longitudinal fissure developed overburden strata under the high pressurized super thick water bearing gravel layer and the prin- ciple of the water controlled mining technology.With the water controlled mining technology,through the adjustment and control of the de- velopment degree of the tensile cracking failure zone occurred by the mining and through the variation of ... |
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| Keywords: | fully mechanized coal mining high water pressure medium hard strata water controlled coal mining |
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