Mining method of thin vein
The invention relates to a mining method of a thin vein. The mining method of the thin vein comprises the following steps that a, a concrete bottom (20) is arranged in a bottom roadway below an ore block (10), a chute is arranged in the concrete bottom, an ore drawing space (31) is formed below the...
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| creator | ZHANG CHANGZHENG ZHANG BANGQIONG SONG SHISHENG LI DA YANG CHENRONG HOU JUN ZHANG JIANHUA TANG XUEYI |
| description | The invention relates to a mining method of a thin vein. The mining method of the thin vein comprises the following steps that a, a concrete bottom (20) is arranged in a bottom roadway below an ore block (10), a chute is arranged in the concrete bottom, an ore drawing space (31) is formed below the concrete bottom, and an operation space (32) is formed between the concrete bottom and the ore block; b, blasting layer by layer is performed from the bottom of the ore block; b1, after blasting of each time, a draw shaft (41) corresponding to the position of the chute is heightened, ore (11) is drawn to the ore drawing space through the draw shaft, and a filling area is formed above the concrete bottom; b2, a pedestrian road (50) on the side edges of the draw shaft and the ore block is upwardssupported; and b3, foam concrete (60) fills the filling area. Thus, when mining is performing aiming at the thin vein, the foam concrete is selected for filling a mined ore area so that the safety ofstope stoping operation ca |
| format | Patent |
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The mining method of the thin vein comprises the following steps that a, a concrete bottom (20) is arranged in a bottom roadway below an ore block (10), a chute is arranged in the concrete bottom, an ore drawing space (31) is formed below the concrete bottom, and an operation space (32) is formed between the concrete bottom and the ore block; b, blasting layer by layer is performed from the bottom of the ore block; b1, after blasting of each time, a draw shaft (41) corresponding to the position of the chute is heightened, ore (11) is drawn to the ore drawing space through the draw shaft, and a filling area is formed above the concrete bottom; b2, a pedestrian road (50) on the side edges of the draw shaft and the ore block is upwardssupported; and b3, foam concrete (60) fills the filling area. Thus, when mining is performing aiming at the thin vein, the foam concrete is selected for filling a mined ore area so that the safety ofstope stoping operation ca</description><language>chi ; eng</language><subject>AMMUNITION ; ARTIFICIAL STONE ; BLASTING ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; EARTH DRILLING ; FIXED CONSTRUCTIONS ; HEATING ; LIGHTING ; LIME, MAGNESIA ; MECHANICAL ENGINEERING ; METALLURGY ; MINING ; MINING OR QUARRYING ; REFRACTORIES ; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS ; SLAG ; TREATMENT OF NATURAL STONE ; WEAPONS</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201030&DB=EPODOC&CC=CN&NR=111852473A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201030&DB=EPODOC&CC=CN&NR=111852473A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG CHANGZHENG</creatorcontrib><creatorcontrib>ZHANG BANGQIONG</creatorcontrib><creatorcontrib>SONG SHISHENG</creatorcontrib><creatorcontrib>LI DA</creatorcontrib><creatorcontrib>YANG CHENRONG</creatorcontrib><creatorcontrib>HOU JUN</creatorcontrib><creatorcontrib>ZHANG JIANHUA</creatorcontrib><creatorcontrib>TANG XUEYI</creatorcontrib><title>Mining method of thin vein</title><description>The invention relates to a mining method of a thin vein. The mining method of the thin vein comprises the following steps that a, a concrete bottom (20) is arranged in a bottom roadway below an ore block (10), a chute is arranged in the concrete bottom, an ore drawing space (31) is formed below the concrete bottom, and an operation space (32) is formed between the concrete bottom and the ore block; b, blasting layer by layer is performed from the bottom of the ore block; b1, after blasting of each time, a draw shaft (41) corresponding to the position of the chute is heightened, ore (11) is drawn to the ore drawing space through the draw shaft, and a filling area is formed above the concrete bottom; b2, a pedestrian road (50) on the side edges of the draw shaft and the ore block is upwardssupported; and b3, foam concrete (60) fills the filling area. 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The mining method of the thin vein comprises the following steps that a, a concrete bottom (20) is arranged in a bottom roadway below an ore block (10), a chute is arranged in the concrete bottom, an ore drawing space (31) is formed below the concrete bottom, and an operation space (32) is formed between the concrete bottom and the ore block; b, blasting layer by layer is performed from the bottom of the ore block; b1, after blasting of each time, a draw shaft (41) corresponding to the position of the chute is heightened, ore (11) is drawn to the ore drawing space through the draw shaft, and a filling area is formed above the concrete bottom; b2, a pedestrian road (50) on the side edges of the draw shaft and the ore block is upwardssupported; and b3, foam concrete (60) fills the filling area. Thus, when mining is performing aiming at the thin vein, the foam concrete is selected for filling a mined ore area so that the safety ofstope stoping operation ca</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | AMMUNITION ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE EARTH DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY MINING MINING OR QUARRYING REFRACTORIES SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SLAG TREATMENT OF NATURAL STONE WEAPONS |
| title | Mining method of thin vein |
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