| 复杂地质条件下薄煤层综采技术的研究与实践 |
| |
| 引用本文： | 杨怀敏.复杂地质条件下薄煤层综采技术的研究与实践[J].矿业研究与开发,2009(1):7-8,37. |
| |
| 作者姓名： | 杨怀敏 |
| |
| 作者单位： | 河北工程大学; |
| |
| 摘 要： | 在峰峰矿区小屯矿4号煤层14459工作面试验中,针对煤层薄、断层多、顶板坚硬且破碎等复杂地质条件,采用大功率采煤机、高强度液压支架,爆破破底方法等,成功实现了平均厚度为1.1 m薄煤层的综采,取得了工效提高16.2t/工、成本降低5.8元/t、安全事故减少75%、产煤量增加1倍的较好经济技术指标,为峰峰矿区的薄煤层开采奠定了基础。
|
| 关 键 词： | 薄煤层开采 综合机械化 峰峰矿区 |
Research and Practice of Fully Mechanized Coal Caving Technology for Thin Coal Seam Under Complicated Geological Conditions |
| |
| Yang Huaimin.Research and Practice of Fully Mechanized Coal Caving Technology for Thin Coal Seam Under Complicated Geological Conditions[J].Mining Research and Development,2009(1):7-8,37. |
| |
| Authors: | Yang Huaimin |
| |
| Affiliation: | Hebei University of Engineering;Handan;Hebei 056038;China |
| |
| Abstract: | During the fully mechanized mining experiment of 14459 coal face of the No.4 coal seam at Xiaotun colliery in Fengfeng mining district,in view of the complicated geological conditions of thin coal seam,many faults,and hard but fractured roof,high-powered shearer,high-strength hydraulic support and the floor blasting technology were used.The fully-mechanized caving of the thin coal seam with average thickness of 1.1m was achieved,and the mining efficiency was raised by 16.2 t/man,mining cost was reduced by 5... |
| |
| Keywords: | Thin coal seam mining Fully mechanized coal caving Fengfeng coal mining district |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《矿业研究与开发》浏览原始摘要信息 |
|
点击此处可从《矿业研究与开发》下载全文 |
|
