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- coal winning technique 回采工艺
- How to increase tractive effort of MG300W type coal winning machine and adopt some measures. 针对如何增加MG300W型采煤机牵引力而采取的一些措施。
- Bolt support gives good expression to top slope pressure roadway, it guarantees stability of supporting and driving speed of coal winning. 尤其是在顶帮压力较大的巷道中,锚杆支护的优越性得到了充分的体现,保证了巷道支护的稳定性和回采的快速推进。
- When long wall mining to the dip in fully-mechanized coal winning working face is inclined area,we may can't use existing drift draw off water. 当倾斜长壁开采的综放工作面初采范围处于向斜构造区,造成初采放水无法利用已有巷道形成自流放水,必须考虑动力排水或其他的放水方式。
- Coal mining of fully -mechanized coal winning and caving the roof included two processes:fully -mechanized c oal winning and caving the roof. 综放开采包括综采和放顶煤两个过程,在放顶煤的过程中由于其开采空间,实际落煤损失难以确定,导致工作面采出煤量计算困难。
- Through analysing the parameters,construction,designing principle of MG300BW type thin seam coal winning,this paper discusses its developing vista in extremum thin seam winning. 通过对MG300BW型薄煤层采煤机的参数、结构设计原理进行分析,论述在薄煤层开采中的发展前景。
- The gob-side entry driving in the fully-mechanized coal winning face can be protected successfully by using the anchored cable and rod supporting system. 采用锚杆、锚索支护系统成功地维护了综放沿空掘巷,保证了综放面顺利回采。
- Because the increase of mining height in fully-mechinzed coal winning caving roof,it brings convenient and both brings the changing of rock rationlations. 大采高综放工作面由于机采高度的加大,在给工作面生产带来便利的同时,也带来支架与围岩关系的变化。
- Keywords fully-mechanized;winning technique;coal pillar face;through gobs; 综采工艺;煤柱工作面;通过空巷;
- Abstract: The join way of scraper coveyor cable pan using in mechanizeworking face is designed into fixtureless join way.This way suits fully-mechanized and coventionally-mechanized coal winning face. 文摘:将机械化采煤工作面刮板输送机电缆槽之间的联接，设计成无紧固件的联接方式。适用于综采、高档普采等机械化采煤工作面。
- The join way of scraper coveyor cable pan using in mechanize working face is designed into fixtureless join way.This way suits fully_mechanized and coventionally_mechanized coal winning face. 将机械化采煤工作面刮板输送机电缆槽之间的联接,设计成无紧固件的联接方式。适用于综采、高档普采等机械化采煤工作面。
- Safety Coal Winning of Upper and Down Coal Seam 上、下层工作面的安全回采
- MG200 - QW coal winning machinery MG200-QW采煤机
- electrical control coal winning machine 电牵引采煤机
- fully-mechanized coal winning technology 综采
- the fully-mechanized coal winning face 综放工作面
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- fully - machined coal winning equipment and kit 综放设备及配套
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
