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- Keywords lager scal BF;high coal rate;productivity; 大型高炉;高煤比;利用系数;
- high coal rate 高煤比
- To meet the high coal injection rate it is necessary to modernize PCI technology. 为了适应高炉大量喷吹煤粉,必须对高炉喷煤工艺及设备进行改造。 方向是:煤场要增加储煤能力,实现自动配煤;
- China has 20 of the world's 30 most polluted cities, largely due to high coal use and motorization. 世界上最污染的30个城市中中国的占有20个。
- Power plants have been reluctant to maintain high coal inventories due to the rising prices. 煤炭价格不断上涨,发电厂很难维持大量的煤炭存量。
- 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。
- Burning faulty coal is tried out in a fixed-bed gasifier,to solve the problems of high coal price and production cost. 固定层煤气发生炉试烧劣质煤,以解决煤价高、生产成本大的问题。
- Increase pulverized Coal rate and decrease coke ratio are the keys to reduce energy consumption in the iron making procedure. 提高煤比,降低焦比,对炼铁工序降低能耗起着关键作用。
- Various factors influencing high coal consumption of whirlwind boiler are analyzed in this paper. Some imprevement proposals are also proposed. 分析了影响立式旋风锅炉煤耗高的内外部因素,并提出了改进意见。
- Large amount of coalbed methane resource is distributed in the high coal rank area of China, especially in the North and South China. 我国华南和华北地区广泛分布高煤阶煤层,煤层气资源丰富。
- Relationships between CRI and CSR of the coke produced by Kunsteel Cokery are analyzed, and relationships between the hot properties of the coke and coal rate are also analyzed. 炼铁焦炭;反应性(CRI);反应后强度(CSR)对昆明钢铁公司焦化厂生产的焦炭的反应性与反应后强度之间的关系及焦炭的热态性能与配煤比之间的关系等进行了分析讨论
- On the drying of feed-grade dicalcium phosphate, the air heated by stream was adopted with a low heat efficiency and high coal consumption. 饲料磷酸氢钙原采用蒸汽间接加热空气作为热源的沸腾炉干燥,热效率低,煤耗高。
- Through adding waste rewatering process and reducing coal rate in waste,the economic benefit is lifted at Coal Preparation Plant in Qitaihe Mining Bureau. 介如了七煤集团公司选煤厂通过增设矸石再洗工艺,减少了矸石中含煤率,提高了经济效益。
- Low coal rate and UPC's exist because of the imperfection combust of coal in BF besides of the blindness in the choice of coal used to spew are the questions conquered to iron makers. 高炉喷吹煤粉是现代高炉冶炼的一项重大技术革命,目前存在的主要问题是喷煤比不高,煤粉在高炉内的燃烧不完全,有未燃煤粉存在,而且在高炉喷吹用煤种的选择方面存在盲目性。
- The analysis considered the improvement of the coalbed physical property by heat in structural movements in high coal rank reservoirs and the important role of biogas and free gas in low rank CBM reservoirs. 在分析过程中考虑了构造热事件对高煤阶煤层气藏物性的改造作用和生物气、游离气在低煤阶煤层气成藏过程中的作用。
- Possibly for a certain rank of coal, applying coal blending and making proper enlargement on particle size are of effective means for increasing BF coal rate and replacement ratio of coal. 采用混合喷吹和对一定煤种适当扩大煤粉粒径,尤其是烟煤的粒径,可能是进一步提高喷煤量和置换比的有效措施。
- It is found that if the hydrocracking catalyst and the hydrorefining catalyst are used in ratio of 1:1, both high coal conversion and oil yield can be obtained, and the hydrogen consumption is low. 发现加氢裂解催化剂和加氢精制催化剂按1:1混合使用,可获得较高的煤转化率和油产率,氢耗也较低。进一步研究表明,该混合催化剂适于在较低温度下使用,最佳液化温度随其它操作参数变化。
- This paper analyzes the affection to stability of a high coal rock slope caused by the coal gob in a case,makes numeric analysis on this high slop,and appraisals that the slope is stable. 本文分析了某工程含煤岩质高边坡内存在煤洞采空区时对边坡的稳定性影响,并对此高边坡进行了数值分析,对其稳定性作出了一定的评价。
- The band loan rate is unbelievably high. 银行贷款利率高得太离谱。
- She spoke with feeling about the high rate of unemployment. 她针对失业率之高慷慨陈辞。