After systematic reformed the coal injection system has met the requirement of blast furnace of Cheng Steel.
喷煤系统经过系列改造，已经满足了承钢高炉要求的喷煤要求。
This paper shows recent technological progress of blast furnace on concentrate, pulverized coal injection etc.
论述了当前中国高炉炼铁在精料、喷煤等方面的技术进步；
The utility model relates to a coal injection device belonging to accessory devices of blast furnace ironmaking.
本实用新型属于高炉炼铁附属装置。
With the price growth of coal, it is necessary to recalculate the economic efficiency of oxygen-riched coal injection.
随着煤炭价格上涨，富氧多喷煤的经济效益要重新计算。
The test result show that mixed coal injection benefit to raising combustibility, increased quantity and decreased cost.
结果表明，混煤喷吹有利于提高煤粉的燃烧率，扩大高炉喷吹量和降低喷煤成本。
The pulverized coal injection system is the main electric equipment that be special stress on protecting for the rotary kiln.
煤粉喷吹系统为回转窑重点保护的主要电气设备。
The coal injection device is mainly applied to series tank devices for blowing coal powder in the blast furnace in metallurgy field.
主要适用于冶金领域中高炉喷吹煤粉的串联罐设备。
The factors for affecting coke rate were discussed such as coal injection, blast temperature, silicon content and charging patterns.
同时也讨论了喷煤、风温、铁水硅含量及装料制度对焦比的影响。
Since the coal injection system was brought into operation in January, 1994, it has worked well and great economic profits have been...
该喷煤设施于1994年1月投产以来，生产状况良好，取得了很好的经济效益。
The main functions are coal injection monitoring, abnormal BF operation monitoring, diagnosing coke movement and tuyere temperature etc.
其主要功能包括监测风口喷煤状态，反映风口内焦炭运动，监视异常炉况，反映风口温度高低。
It is shown the key point of reaching the limit of coal injection is improvement of permeability of stock column and enhanced BF operation.
指出大量喷煤，达到喷煤量极限的关键在于改善料柱透气性，提高高炉冶炼水平。关。
The increase of high blast temperature is an effective measure to enhance pulverized coal injection rate, reduce energy consumption, and cost.
高风温是高炉提高喷煤比、降低工序能耗、降低成本的有效措施。
The blast furnace raceway formation under the intensive coal injection by measurement of micro wave reflection gunned through a tuyere is discussed.
通过利用风口测量枪进行的微波反射测量方法讨论了大煤粉喷吹量条件下高炉风口回旋区的形成。
To further increase PCI rate, such works as using quality coal, reforming coal injection system, improving the condition of BF operation will be done.
提出了进一步提高煤比所要做的工作，如优选煤种、改造煤粉喷吹系统、改善高炉生产条件等。
Higher combustibility and coal injection rate can be acquired in BF by using the coal with lower metamorphic degree and higher content of active matter.
喷吹低变质度、高活性组份含量的煤可以获得较高的燃烧率和较大的喷煤量。
Effects of the grain size of pulverized coal injection in BF on combustion performance are studied by self-made experimental rig for combustion of pulverized coal.
利用自制的燃烧实验装置，研究了鞍钢高炉喷吹煤粉粒度对燃烧性能的影响。
The parameters of the pulverized coal injection pipes in different stages have been optimized on the basis of theoretic analysis and industrially experimental data.
通过理论分析，并结合工业实验数据，优化了不同生产阶段喷煤管调整的工艺指标。
Some detail problems existing in sinter, blast furnace pulverized coal injection and BF operation were summarized, and some motheds solving problems were introduced.
对烧结、高炉喷煤及高炉操作过程中在某些细节上存在的问题进行了分析，并介绍了相应的解决方法。
Under high speed preheat in blast furnace and gasification in iron-bath for smelting reduction the pyrolysis of pulverized coal injection is the first important stage.
高炉喷吹煤粉和熔融还原铁浴粉煤气化等高速加热条件下，快速热分解是第一步。
The Pulverized Coal Injection of Blast Furnace has won praise prize of Excellent Reconnaissance and Design of Project from the Guangzhou Construction Committee in 1998.
广钢高炉喷煤工程1998年获广州市建委优秀工程勘察设计表扬奖。
During Prime Minister David Cameron's visit to China last November, the two countries signed a number of energy cooperation agreements, including on coal injection technology.
去年11月英国首相卡梅伦访华时，两国签署了包括喷煤技术在内的多项能源合作协议。
The rotational jet and local oxygen enrichment can improve the mixing of oxygen and pulverized coal, but the effect of coal injection is weak on the whole flow field in blowpipe.
结果表明，氧-煤喷枪的漩流、富氧率等仅在氧枪出口的有限区域内对流场有较大的影响；
It shows that high blast temperature should be combined with technology such as large coal injection and enriched-oxygen, so it will be realized and bring the effect of energy-saving.
研究结果表明，高风温必须与大喷煤、富氧等技术相结合，才能实现并发挥节能作用。
After the coal injection system goes into operation, it achieves the expected control effect and improves the quality and output of powered coal, as well as realizes production automation.
该系统投产后达到了预期的控制效果，提高了煤粉的产量和质量，实现了生产自动化。
Calculation and plotting methods of BF operation line without coal injection are modified, and calculation formulae of BF operation line with oxygen enrichment and high PCI rate are deduced.
作者对不喷煤时高炉操作线的计算和绘制方法进行修正，推导出富氧大喷煤时高炉操作线的计算公式。
The reconstruction method, namely changing layer coal combustion for pulverized coal injection combustion, and temperature control of combustion chamber of directed fired dryer are introduced.
介绍对烘干机燃烧室的改造方法，即改层煤燃烧为喷煤粉燃烧，并对温度实施控制。
Coal injection of blast furnace is an energy-save and consumption-reduction project and a set of reliable automatic control system has an important function on continuous and stable coal injection.
高炉喷煤是个节能降耗项目，一套可靠的自动控制对于连续、稳定的喷吹起着重要的作用。
These include coal mining, quarrying, oil drilling, and the injection of wastewater into the ground.
这些活动包括采煤、采石、石油钻探和向地下注入废水。
These include coal mining, quarrying, oil drilling, and the injection of wastewater into the ground.
这些活动包括采煤、采石、石油钻探和向地下注入废水。
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