大傾角綜采面采煤機(jī)裝煤效果分析
[Abstract]:Coal loading is one of the five working procedures in fully mechanized mining face, and the coal loading effect directly determines the push amount of scraper conveyor and the production efficiency of fully mechanized mining face. The production practice of longwall fully mechanized mining in high dip coal seam shows that with the increase of inclined angle of working face, the effect of coal loading becomes worse sharply. Based on the principle of drum coal loading and the inclination angle of working face, the main factors affecting the coal loading effect of shearer in longwall fully mechanized mining face with large dip angle are analyzed. It is pointed out that when the arc retaining plate is not used, the coal loading effect of the downlink coal cutting drum of the shearer is much better than that of the uplink coal cutting. After adding arc retaining plate, the best coal loading effect can be obtained by cutting coal up and down. It is suggested that the coal loading effect of shearer in longwall working face with high dip angle coal seam should be improved by adding arc retaining plate, optimizing drum parameters and reducing chute height.
【作者單位】: 西安科技大學(xué)能源學(xué)院;教育部西部礦井開(kāi)采及災(zāi)害防治重點(diǎn)實(shí)驗(yàn)室;
【基金】:國(guó)家自然科學(xué)基金重大研究計(jì)劃資助項(xiàng)目(90210012);國(guó)家自然科學(xué)基金重點(diǎn)項(xiàng)目“大傾角煤層長(zhǎng)壁工作面安全高效開(kāi)采基礎(chǔ)研究”(51634007)
【分類號(hào)】:TD421.6
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