發(fā)布時(shí)間：2018-08-14 09:09

【摘要】：礦井粉塵的防治對(duì)于煤礦的安全生產(chǎn)有著極其重要的意義。礦井的粉塵災(zāi)害一直是困擾煤礦安全生產(chǎn)的重要的難題。由于吸入粉塵所引起的塵肺病也成為影響煤礦工人身心健康的一大隱患。在這樣嚴(yán)峻的形式下,加強(qiáng)對(duì)粉塵災(zāi)害的防治力度,努力減小粉塵災(zāi)害對(duì)煤礦安全生產(chǎn)和工人身心健康的危害已經(jīng)成為勢在必行的舉措。 煤層注水是防治礦井粉塵災(zāi)害的行之有效的方法。它預(yù)先在煤體內(nèi)打注水鉆孔,在將壓力水引入鉆孔內(nèi),使得煤體事先得到濕潤,并且改變了煤體的物理力學(xué)性質(zhì),使采動(dòng)時(shí)煤體原來的脆性破碎變成塑性變形,從源頭上控制了煤塵的產(chǎn)生。 本文通過對(duì)煤層注水機(jī)理的研究、煤層注水的降塵原理的研究以及影響煤層注水相關(guān)因素的研究,并結(jié)合淮北礦業(yè)集團(tuán)祁南礦10114工作面的實(shí)際注水情況,對(duì)煤層注水進(jìn)行了系統(tǒng)的研究。 本文在理論分析的指導(dǎo)下,對(duì)煤層注水前相關(guān)基礎(chǔ)參數(shù)的測定、煤層注水參數(shù)的確定以及注水實(shí)施的相關(guān)措施進(jìn)行了詳細(xì)的闡述。通過煤層注水措施實(shí)施前后的工作面粉塵濃度的對(duì)比,可以很明顯的發(fā)現(xiàn)煤層注水可以有效的控制工作面的粉塵濃度,起到非常好的降塵效果。同時(shí),對(duì)煤礦的安全生產(chǎn)也有很重要的理論和實(shí)踐意義。
[Abstract]:The prevention and cure of mine dust is of great significance to the safety production of coal mine. Mine dust disaster has been an important problem puzzling coal mine safety production. Pneumoconiosis caused by dust inhalation has also become a hidden danger to coal miners' physical and mental health. In such a severe situation, it is imperative to strengthen the prevention and control of dust disasters and to reduce the harm of dust disasters to the safety of coal mine production and workers' physical and mental health. Coal seam water injection is an effective method to prevent mine dust disaster. It pre-drilled water injection into the coal body, introduced pressure water into the borehole, made the coal body wetted in advance, and changed the physical and mechanical properties of the coal body, so that the original brittle breakage of the coal body became plastic deformation during mining. The coal dust was controlled from the source. In this paper, the mechanism of coal seam water injection, the dust control principle of coal seam water injection and the related factors affecting coal seam water injection are studied, and the actual water injection situation of 10114 working face of Qinan Coal Mine of Huaibei Mining Group is combined. A systematic study of coal seam water injection is carried out. Under the guidance of theoretical analysis, this paper expounds in detail the determination of basic parameters before water injection in coal seam, the determination of water injection parameters in coal seam and the relevant measures for water injection. Through the coal seam water injection measures before and after the dust concentration contrast, it can be found that coal seam injection can effectively control the face dust concentration, play a very good dust reduction effect. At the same time, the coal mine safety production also has the very important theory and the practice significance.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TD714.4

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