WO2016206618A1 - 长壁开采n00工法 - Google Patents
长壁开采n00工法 Download PDFInfo
- Publication number
- WO2016206618A1 WO2016206618A1 PCT/CN2016/086985 CN2016086985W WO2016206618A1 WO 2016206618 A1 WO2016206618 A1 WO 2016206618A1 CN 2016086985 W CN2016086985 W CN 2016086985W WO 2016206618 A1 WO2016206618 A1 WO 2016206618A1
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- WO
- WIPO (PCT)
- Prior art keywords
- mining
- passage
- downhill
- roadway
- downhill passage
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- 238000010276 construction Methods 0.000 title abstract 2
- 238000005065 mining Methods 0.000 claims abstract description 86
- 238000005520 cutting process Methods 0.000 claims abstract description 7
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/006—Ventilation at the working face of galleries or tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
- E21D19/02—Provisional protective covers for working space for use in longwall working
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- E21D23/0463—Hanging or shifting means for tubes, electric feeding cables or the like
Abstract
Description
Claims (7)
- 一种长壁开采N00工法,其特征在于,在一个全新采区的N个工作面,实施一种无巷道掘进,且无煤柱开采,整个采区设置回风下山通道、皮带下山通道和轨道下山通道,其中回风下山通道和轨道下山通道位于所述采区的一端,所述皮带下山通道连通所述采区的另一端,并与所述回风下山通道连通。
- 如权利要求1所述的长壁开采N00工法,其特征在于,每一所述工作面的开采过程包括:从所述皮带下山通道的一端向所述回风下山通道和轨道下山通道一端开采;形成采空区;在开采过程中切顶卸压并留巷,留巷位置为靠近下一工作面的部分,该留巷成为下一工作面的上顺槽。
- 如权利要求2所述的长壁开采N00工法,其特征在于,所述皮带下山通道在开采过程中变化,一头始终通过切眼和留巷与井口连通,另一头始终与回风下山通道连通。
- 如权利要求3所述的长臂开采N00工法,其特征在于,所述切顶沿空留巷过程中采用定向切缝。
- 如权利要求4所述的长臂开采N00工法,其特征在于,所述切顶沿空留巷过程中采用锚杆和锚索进行顶板支护。
- 如权利要求4所述的长臂开采N00工法,其特征在于,所述切顶沿空留巷过程中巷旁采用液压支柱支护。
- 如权利要求6所述的长臂开采N00工法,其特征在于,所述液压支柱上设置木托盘。
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US15/739,426 US10494924B2 (en) | 2015-06-24 | 2016-06-24 | Longwall mine construction method N00 |
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CN107905790B (zh) * | 2015-06-24 | 2019-05-31 | 何满潮 | 长壁开采n00工法 |
CN106593501B (zh) * | 2015-09-30 | 2018-07-03 | 北京中矿创新联盟能源环境科学研究院 | 无巷道无煤柱自留巷开采工法的防尘防冲支架及装备系统 |
CN105952453B (zh) * | 2016-06-30 | 2018-04-13 | 中煤北京煤矿机械有限责任公司 | 长壁前进式煤层工作面机械化无巷开采成套设备 |
CN105971649A (zh) * | 2016-06-30 | 2016-09-28 | 中煤北京煤矿机械有限责任公司 | 切顶留巷成套支护设备 |
CN108843319B (zh) * | 2018-07-04 | 2019-11-05 | 长沙矿山研究院有限责任公司 | 深部开拓系统的形成方法 |
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CN109209382B (zh) * | 2018-10-23 | 2020-12-04 | 西山煤电(集团)有限责任公司 | 无煤柱无掘巷z型工作面回采方法 |
CN109630112B (zh) * | 2018-10-26 | 2020-07-28 | 山东科技大学 | 一种切顶充填的n00采矿法 |
CN110130899B (zh) * | 2019-07-09 | 2019-11-05 | 北京中矿创新联盟能源环境科学研究院 | 全矿区无煤柱留设无巷道掘进采煤方法 |
CN110130898B (zh) * | 2019-07-09 | 2019-09-17 | 北京中矿创新联盟能源环境科学研究院 | 无煤柱留设无巷道掘进矿井设计方法 |
CN111119891A (zh) * | 2019-12-18 | 2020-05-08 | 永城煤电控股集团有限公司 | 一种长壁开采120工法 |
CN111219191B (zh) * | 2020-04-24 | 2020-07-31 | 北京中矿创新联盟能源环境科学研究院 | 基于n00工法的极薄煤层长壁开采方法 |
CN111636873B (zh) * | 2020-07-09 | 2021-02-23 | 北京中矿创新联盟能源环境科学研究院 | 用于薄煤层n00开采工法的采空区防漏风方法 |
CN111828005A (zh) * | 2020-07-24 | 2020-10-27 | 北京中矿创新联盟能源环境科学研究院 | 工作面开采方法 |
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US20180187547A1 (en) | 2018-07-05 |
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