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公开(公告)号：US4726712A
公开(公告)日：1988-02-23
申请号：US722240
申请日：1985-04-11
申请人： Friedrich Sill , Ulrich Kramer , Hans Maurer
发明人： Friedrich Sill , Ulrich Kramer , Hans Maurer
CPC分类号： E21F15/08
摘要： In conjunction with the face mining of bituminous coal, previously excavated or some portions of the tunnel are collapsed in a manner to form a mass of debris into which a mixture of electrostatic filter ash and water is injected to stabilize the structure.
摘要翻译： 随着沥青煤的开采，结合先前挖掘的隧道或隧道的一些部分以形成大量碎屑的方式折叠，静电过滤灰和水的混合物注入到其中以稳定结构。
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公开(公告)号：US4072018A
公开(公告)日：1978-02-07
申请号：US627685
申请日：1975-10-31
摘要： In this invention there is taught the use of air tubes or fluid-filled containers to define permanent hollow tubular space within a body of solidified fill material placed in a mining excavation. The fill uses a mixture of solids and liquids with the addition of a structurally binding substance such as cement in order to make the fill substance permanent and capable of providing structural integrity and strength in the fill notwithstanding the empty tubular space. The empty tubular space can be used in accessways for mining and hauling of ore, or ventilation; it can also be used to provide volume within which to place fine component of tailings of a concentrator, or to store contaminants, or to route fill material. The tubular empty space within the fill reduces the weight, time and cost of the fill operation, and eliminates the need to drive galleries in waste rock, or of constructing costly timbered galleries or steel tubes within the stope prior to backfilling with tails. The fill provides support to the excavation, and permits work to be done below or above the fill substance. Mining methods are specified for the invention, including the use of raises, galleries and ramps in stopes. Apparatus is provided for the construction of large diameter inflatable tubes, having low surface tension. Air tubes that permit passage of workmen below the tube are specified, to permit progress of work while concrete roofs are setting. Special designs of hollow inflatable tubes using ring elements and axial elements are specified. There is taught method and apparatus for the use of inflatable tubes acting as moulds or forms for construction of concrete tubes, in which the tube's fabric substitutes firstly conventional wood or metal forms, and can remain integrated to the tube's concrete fill providing tension elements in substitution of steel.
摘要翻译： 在本发明中，教导了使用空气管或流体填充的容器来在放置在采矿开挖中的固化填充材料的主体内限定永久的中空管状空间。 填充物使用固体和液体的混合物，添加结构结合物质如水泥，以使填充物质永久，并且能够在填充物中提供结构完整性和强度，尽管空管状空间。 空的管状空间可用于采矿和运送矿石或通风的通道; 它也可以用于提供容量以在其中放置浓缩器尾矿的精细成分，或者存储污染物，或者填充材料的路线。 填充物中的管状空间可减少填充操作的重量，时间和成本，并且在回填尾部之前不需要在废弃岩石中驱动画廊，或者在站内建造昂贵的木材画廊或钢管。 填充提供对挖掘的支持，并允许在填充物质的下方或上方进行工作。 为本发明规定了采矿方法，包括在起落架中使用升降机，画廊和坡道。 提供了用于构造具有低表面张力的大直径可充气管的装置。 规定允许工人在管下通过的空气管，以允许工作进行，同时混凝土屋顶正在安装。 规定了使用环形元件和轴向元件的中空充气管的特殊设计。 已经教导了使用作为用于构造混凝土管的模具或形式的充气管的方法和装置，其中管的织物首先代替常规的木材或金属形式，并且可以保持与管的混凝土填充物一体化，以提供替代的张力元件 的钢。
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公开(公告)号：US3927719A
公开(公告)日：1975-12-23
申请号：US57249675
申请日：1975-04-25
申请人： US INTERIOR
发明人： MASER KENNETH R
IPC分类号： E21B33/05 , E21B33/138 , E21F15/08 , E21F17/103 , A62C1/00 , A62C3/02 , E21B33/13
CPC分类号： E21B33/05 , E21B33/138 , E21F15/08 , E21F17/103
摘要： Mine passages are sealed remotely from the surface by drilling a borehole from the surface to intersect a mine passage. Fly ash is then pneumatically injected down the borehole in dilute phase at high velocity to form a partial seal obstructing more than 90% but less than 99% of the area of the mine passage. The emplaced fly ash displays the form of a conical pile with the flanking slopes curving concavely upward to the lips of a crater formed beneath the injection borehole. Sealing is then completed by injection of an expanding foam into the crater area.
摘要翻译： 通过从表面钻出钻孔与矿井通道相交，将矿井通道远离地面密封。 然后将飞灰以高速气相在稀释相中的气孔中被气动地注入，以形成阻塞矿区通道面积的90％以上但小于99％的部分密封。 放置的飞灰显示圆锥形桩的形式，其侧面倾斜向上弯曲成形成在注射井眼下方的火山口的嘴唇。 然后通过将膨胀的泡沫注入火山口区域来完成密封。
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公开(公告)号：US3817039A
公开(公告)日：1974-06-18
申请号：US8675570
申请日：1970-11-04
申请人： DOW CHEMICAL CO
摘要： A method is provided for backfilling a subterranean void, e.g. a mined out cavity such as a tunnel, etc. An aqueous suspension of solid particles (fill material) is injected through a conduit which connects the void with a suitable work surface (said conduit and void consisting of a closed pressurized system during injection) and into the void at a certain critical minimum rate.
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公开(公告)号：US3786639A
公开(公告)日：1974-01-22
申请号：US3786639D
申请日：1972-12-18
申请人： TAMBURRO A , PINENO S
发明人： PINENO S , TAMBURRO A
IPC分类号： E21F15/08
CPC分类号： E21F15/08
摘要： A system for backfilling an underground cavity, such as a coal mine or the like, wherein a slurry of fill material is uniformly displaced and propelled in all directions in the cavity through the aid of a high pressure air jet.
摘要翻译： 用于回填地下空腔的系统，例如煤矿等，其中填充材料的浆料通过高压空气喷射在空腔中在所有方向上均匀地移位和推进。
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公开(公告)号：US2710232A
公开(公告)日：1955-06-07
申请号：US16813550
申请日：1950-06-14
申请人： SCHMIDT LAWRENCE D , HOLDEN JOHN H
发明人： SCHMIDT LAWRENCE D , HOLDEN JOHN H
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17.发明授权公开(公告)号：US12044125B2
公开(公告)日：2024-07-23
申请号：US18275409
申请日：2022-05-27
发明人： Dayang Xuan , Jian Li , Jialin Xu
摘要： An isolated overburden grouting filling method for coal gangue underground emission reduction includes determining a grouting filling key stratum according to information of a coal face; constructing a directional borehole from an underground tunnel to the inside of the grouting filling key stratum; constructing a plurality of branch holes downward in a main hole of the directional borehole; and by establishing a grouting filling system under a mine, gangue obtained from excavation gangue of the mine and gangue sorting being made into a filling slurry by means of breaking and grinding, and the filling slurry filling fractures below the key stratum through the directional borehole. The gangue generated from a mine is directly made into a filling slurry under the mine and then fills overburden mining-induced fractures, thereby achieving harmless disposal of the gangue, effectively supporting a key stratum, and controlling stratum movement and surface subsidence.
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公开(公告)号：US20210040850A1
公开(公告)日：2021-02-11
申请号：US16622263
申请日：2018-12-25
发明人： Shaojie CHEN , Zhaowen DU , Zhiguo XIA , Zhen ZHANG , Bing CHEN , Zhiyuan LI , Yong JIAN
摘要： Provided is a filling mining method for a fully-mechanized top coal caving working face, which relates to the field of mining engineering technologies. The method solves the technical problems of roof control of the fully-mechanized top coal caving working face and a large ground deformation of top coal caving mining. The method includes the following steps: at step A, dividing the fully-mechanized top coal caving working face into a filling zone and a top coal caving zone along a strike of the working face, or dividing the working face into a filling zone and a top coal caving zone along a strike and an inclination of the working face; at step B, determining a cycle interval of the working face; at step C, performing supporting for the filling zone before the working face, and completing coal caving in the top coal caving zone and performing round wood supporting in the filling zone; at step D, after the filling zone reaches the filling interval, disposing a filling tarpaulin behind a hydraulic support and pumping the filling paste; at step E, repeating steps C and D to complete mining. A mining method of alternate coal caving and filling is provided to complete the filling mining of the top coal caving working face. In this way, the roof is effectively controlled, ground subsidence is reduced and advantages such as safety and high efficiency are available.
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公开(公告)号：US20170044898A1
公开(公告)日：2017-02-16
申请号：US15307030
申请日：2015-04-28
摘要： Mining provides our society with many of minerals, metals, and gemstones for a wide variety of applications from mundane items through to expensive jewelry. But the mining operations generate waste and large empty shafts and stopes within the ground. It would beneficial to provide a lightweight material for backfill which can provide safer working conditions for miners as well as advantages in respect of weight reduction, reducing water consumption, rheology improvement and cost minimization. Equally, it would be beneficial for the lightweight backfill material to include mining tailings to reduce the impact external to the mine. However, the inclusion of mine tailings into a foam is counter-intuitive as mine tailings are generally characterized by a high proportion of small particles with sharp edges. However, embodiments of the invention provide just such a foam based mine backfill material.
摘要翻译： 矿业为我们的社会提供了许多矿物，金属和宝石，用于从普通物品到昂贵的首饰的各种应用。 但是，采矿作业在地面内产生废物和大的空转轴和停站。 提供用于回填的轻质材料将是有益的，其可以为矿工提供更安全的工作条件，以及在减轻重量，减少水消耗，流变学改进和成本最小化方面的优点。 同样地，对于轻质回填材料来说，包括采矿尾矿减少矿井外部的影响也是有益的。 然而，将矿尾矿纳入泡沫体是不直观的，因为矿尾矿一般具有高比例的具有锋利边缘的小颗粒。 然而，本发明的实施例仅提供这种基于泡沫的矿物回填材料。
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公开(公告)号：US07464992B1
公开(公告)日：2008-12-16
申请号：US11961353
申请日：2007-12-20
申请人： Alden Ozment
发明人： Alden Ozment
IPC分类号： E21F15/08
CPC分类号： A62C3/0221 , A62C2/06 , E21F17/103
摘要： A method for forming a barrier to seal off a remote chamber includes the steps of: forming a borehole that communicates between a first location and the remote chamber; inserting a conduit through the borehole to extend into the remote chamber; introducing a flowable material through the conduit to the remote chamber and dispensing the flowable material from the conduit to the desired location for the barrier, the flowable material upon being dispensed producing a substantially solid, self-sustaining composition; maintaining dispensing the flowable material to produce a sufficient quantity of the self-sustaining composition to form the barrier to seal the remote chamber, while ensuring that the composition does not block the borehole from communicating between the first location and the remote chamber; and thereafter removing the conduit to allow access to the borehole.
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