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- lump coal output 块煤产量
- They often understated their coal output. 他们常常少报他们的煤炭产量。
- May be used in iced coal or lump coal with a certain thickness. 能用于对一定厚度的冻煤或大块煤采样。
- We have raised the coal output by using better mining methods. 我们利用更好的采煤法增加了煤炭产量。
- Some plants have successfully revamped fixed-bed lump coal gasifier into shaped-coal gasifier and benefits a lot. 用型煤气化炉来气化型煤已经在一些厂获得成功,取得了较好的经济效益。
- In the first half of this year the total coal output rose by eighty per cent as compared with that of last year. 今年前半年煤炭总产量比去年增加了百分之八十。
- It is important in the production of coal mine that preparation of gangue from lump coal. 矸石分选是煤矿生产的重要环节,即在煤块中将矸石挑选出来。
- In order to attain the certain lump coal rate, the key is reasonable picks-lacing. 因而要达到一定的块煤率,关键是截齿的合理排列。
- The Company sells Shanxi anthracite, lump coal, semi-bituminous coal, coal opium fire. 本公司主要销售山西无烟煤,块煤;
- Our raw coal output last year was more than 630 million tons,which seems not bad by comparison. 我们去年的原煤也达到六亿三千多万吨，似乎不算少。
- The method of cyclone rehandling was put forward against the loss of lump coal in the transportation process of underground raw coal. 针对井下原煤胶带运输过程中的块率损失,提出旋流转载的方法,并就实践中存在的问题进行探索与研究,从而使该技术在成庄矿获得了成功运用。
- Our raw coal output last year was more than 630 million tons, which seems not bad by comparison. 我们去年的原煤也达到六亿三千多万吨，似乎不算少。
- This paper analyzes the gasification of big-size lump coal in different stages in gasifier,focusing on discussion of incompletly gasifying of the coal. 对大块煤在气化炉中燃烧的几个阶段进行分析。
- In the mineable C3 coal seam at Dazhuba coalfield,macroscopic type mainly consist of semi-bright fine coal,secondarily semi-dull and semi-bright lump coal. 大竹坝井田全区可采煤层C3,宏观煤岩类型主要为半亮型粉煤,其次为半暗型、半亮型块煤。煤种为中灰中高硫特低磷高热值贫煤。
- It is the focus problem for anthracitic coal production enterprise to increase percentage of lump coal and reduce amount of lump coal with size smaller than lower size limit. 提高块煤率、降低块煤限下率是当前无烟煤生产企业关注的焦点问题。
- In this paper, calculation methods for the pulverized coal output widely applied in ball pulverizer of bin storage firing pulverizing system in boiler are studied. 对广泛应用于电站锅炉中间储仓式制粉系统中的钢球磨煤机的磨煤出力计算方法进行了研究,讨论了一种新的优化计算方法,并对其流动阻力计算进行了分析。
- Through the study of ground deformation,variable mining ratio method was put foreward to raise coal output ratio,effective measures to realize the method were introduced. 通过对地表移动变形规律的认识,提出了采用变采留比方法以提高条带法开采采出率,并对该方法影响效果进行了分析,提出了实施此方法的有效措施。
- In particular lump coal, known. 特别是块煤，远近闻名。
- Take coal output for example.In 1978 the total amount of marketable coal mined in the United States was in excess of 599 million tons,and the output of raw coal in the Soviet Union was 724 million tons. 例如煤产量，一九七八年，美国商品煤五亿九千九百多万吨，苏联原煤七亿二千四百万吨。
- To increase lump coal ratio in stopes, a scheme is put forward for coal falling by loose pre-shearing millisecond blasting, and hole arrangement parameters and blasting parameters are adjusted. 为提高炮采面块煤率,提出了松动预裂微差爆破的落煤方案,并对布孔参数和爆破参数进行了调整。
