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首页> 外国专利> METHOD OF LOCALIZATION OF EXPLOSION OF METHANE-AIR MIXTURE AND COAL DUST AND DEVICE FOR ITS IMPLEMENTATION

METHOD OF LOCALIZATION OF EXPLOSION OF METHANE-AIR MIXTURE AND COAL DUST AND DEVICE FOR ITS IMPLEMENTATION

机译：甲烷-空气混合物和煤尘爆炸的局部化方法及其实施装置

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FIELD: mining.;SUBSTANCE: invention relates to the mining industry, in particular to methods and devices for localizing explosions of methane-air mixture and coal dust. To this end, in the method, a primary blasting agent-a flame-extinguishing cloud-is formed by the energy of a compressed gaseous inhibitor, in addition to the powder in the suspended state, in the flow of the shock air wave. At the same time, with the formation of the primary explosive-shielding barrier from the extinguishing powder in the suspended state and the gaseous inhibitor before the propagating flame front, form a secondary barrier from the gaseous inhibitor behind the flame front in the zone of heated explosion products consisting of carbon monoxide, hydrogen and homologues of methane capable of exploding and igniting. Moreover, the secondary explosive-shielding barrier is formed by the energy of a compressed gaseous inhibitor fed into the heated-up explosion product stream, with the possibility of inhibiting explosive mixtures and cooling the temperature on the front of the flame and the products of the explosion, both primary and secondary explosion-blocking barriers form behind it. Also provided is an apparatus for carrying out a process in which a working chamber filled with a compressed gaseous inhibitor is divided, by means of a perforated metal membrane, into two equal containers V1 and V2. At the same time, on the left side of the piston there is a protrusion for supporting metal balls by reducing the diameter of the piston, and in the right part of the piston seals are arranged. Assembly connected to the outboard metal bar is connected to a sliding sleeve made with two grooves to move the supporting metal balls when the device is triggered by the impact air shock. Remote metal rod at both ends is equipped with two shields for receiving the force impact of the shock air wave, both from the side of the extension rod, and from the side of the cone hopper. Hopper for placing the flame-suppressing powder is in the form of a truncated cone.;EFFECT: increasing the efficiency and reliability of localization of methane explosions, but primarily coal dust spreading through a network of mine workings.;4 cl, 3 dwg
机译：技术领域本发明涉及采矿业，尤其涉及用于定位甲烷-空气混合物和煤尘爆炸的方法和装置。为此，在该方法中，除了悬浮状态的粉末之外，在冲击空气波的流动中，还通过压缩的气态抑制剂的能量形成了一次爆炸剂-灭火云。同时，由处于悬浮状态的灭火粉末和在火焰传播前的气态抑制剂形成主要的爆炸屏蔽层，在加热区域中由位于火焰前的气态抑制剂形成二级屏障。爆炸产物，由一氧化碳，氢气和甲烷的同系物组成，能够爆炸和点燃。此外，辅助爆炸屏蔽层是由压缩的气态抑制剂的能量形成的，该压缩的气态抑制剂被送入加热的爆炸产物流中，从而有可能抑制爆炸混合物并冷却火焰及其前缘产物的温度。爆炸时，在其后面会形成主要和次要的爆炸屏障。还提供了一种用于进行处理的设备，在该设备中，填充有压缩气态抑制剂的工作室通过穿孔的金属膜被分成两个相等的容器V1和V2。同时，在活塞的左侧有一个突起，用于通过减小活塞的直径来支撑金属球，并且在活塞的右侧布置了密封件。连接到外侧金属杆的组件连接到带有两个凹槽的滑动套筒，以在冲击空气冲击触发设备时移动支撑金属球。远端金属杆的两端都装有两个防护罩，用于从延伸杆侧面和锥形料斗侧面接收冲击波的力冲击。放置消焰粉的料斗为截头圆锥形;效果：提高了甲烷爆炸局部化的效率和可靠性，但主要是粉尘通过矿山网络传播; 4 cl，3 dwg

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