1) full-mechanized caving mining
综放
1.
Based on detection and analysis of damage characteristics of overlying strata and roof status of Meihe 4th Mine and aided by DEM numerical simulation,displacement and damage situation of roof and floor of the lower slice full-mechanized caving mining in different roof conditions were obtained.
通过对梅河四井溃泥工作面覆岩破坏特征和顶板岩层状态的探测分析,结合离散元数值模拟手段,模拟了不同状态顶板条件下水平分层综放开采的顶底板位移场和破坏场,探索了溃泥、溃砂发生的成因和机理,丰富了水体下采煤的理论和技术体系。
2.
Based on the geological and mining conditions and occurrence characteristics of loose aquifer of Xinglongzhuang Colliery,water bursting cause of 4303 full-mechanized caving mining face under loose aquifer was analyzed,the prevention measures of the 3rd aquifer and reasonable dimension of coal pillar for sand proof were discussed in this paper.
根据兴隆庄煤矿地质采矿条件,结合松散含水层赋存特征,分析了四采区4303综放工作面第四系松散含水层出水的原因,探讨了防治三含水的技术途径和留设防砂煤柱的合理尺寸。
3.
Underground pressure behavior rules were obtained by observation of working resistance of supports,stress of surrounding rock and movement of top coal in full-mechanized caving mining face in Anjialing 1st Mine,which provided foundation of safe and high-effect mining for full-mechanized caving mining face in shallow buried and extremely thick coal seam.
通过对安家岭一号井综放工作面支架工作阻力、围岩应力、顶煤活动等的实测研究,得出了综放工作面矿压显现规律,为实现浅埋深特厚综放工作面安全高效回采提供了依据。
2) fully mechanized caving
综放
1.
Practices and experiences on fully mechanized caving tech. in relatively thinner thick coal seam;
较薄厚煤层综放实践与认识
2.
The unbalance abnormal gas burst with fully mechanized caving method in very soft inflammable and very thick outburst coal seam is main technical puzzle.
瓦斯不均衡异常涌出是极软易燃特厚高瓦斯突出煤层综放开采的主要技术难题,本文提出的"来压倍增"的认识以及采用顶板巷排放瓦斯的实践,成功地防治了综放工作面上隅角及回风巷和顶板巷瓦斯超限问题。
3.
1303 fully mechanized caving face annually producing 6 million tons of coal in Dongtan Colliery,Yanzhou Mining Group Co.
针对兖矿集团东滩煤矿年产600万t 1303综放工作面实际情况,进行了工作面尘源分析,并基于风流紊流的三维k-ε流动方程组模型,应用控制容积法和计算流体力学(CFD)的SIMPLE(压力耦合方程式的半阴解法)方法,对工作面断面粉尘流场的浓度和流线进行了ANSYS数值模拟,然后根据支架喷雾降尘用喷嘴的性能实验,优选了安设到综放液压支架上的喷嘴类型,最后提出了1303综放工作面支架喷雾降尘装置的优化设计方案。
3) combined mining
综放
1.
Application of high pressure injection water at combined mining face;
高压注水在综放工作面的应用
4) mechanized top-coal caving
综采综放
1.
Comprehensive evaluation system of mechanized top-coal caving mine section geological conditions;
综采综放采区地质条件综合评价系统研究
5) high top coal caving mining
大放高综放
1.
Base the seam conditions of hard, density, undeveloped joints and cracks, and 16 m average thickness, with the pre-comprehensive weakening technology and the mining technology study of the coal mining face, the difficult issue of the fully mechanized high top coal caving mining in hard seam has been overcame with a safe and high efficient production.
针对坚硬致密、节理裂隙不发育、平均厚度 16m煤层的赋存特点 ,通过对顶煤预先综合弱化技术和工作面回采工艺的研究 ,攻克坚硬煤层大放高综放开采技术难题 ,实现安全、高效生产 ,提高了矿井经济效
6) fully mechanized top-coal caving face
综放面
1.
Study on strata pressure laws and adaptability of supports in fully mechanized top-coal caving face ofthree-soft seam;
“三软”煤层综放面矿压规律及支架适应性研究
2.
Influence of mining velocity on mechanical characteristics of surrounding rock in fully mechanized top-coal caving face;
开采速度对综放面围岩力学特征影响研究
3.
The coal seam of fully mechanized top-coal caving face 1151(3) in Xieqiao coal mine of Huainan mining area is soft and loose,and is of low permeability and poor wetting condition.
基于淮南矿区谢桥煤矿1151(3)综放面,煤层松软、渗透性低、湿润性差的特殊条件,采用煤层注水工艺技术降尘,在注水孔布置方式及参数、注水孔封孔工艺、注水工艺等方面采取一定的技术措施。
补充资料：骜放
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