Advantages and disadvantages of unburnt coal ( char) for blast furnace running and the char producing controlling are studied. 通过建立守恒方程组,软件模拟高煤比产生的未燃煤粉和煤气两相流在高炉内的分布情况。
You see various scenes passing on a cinema screen: fire seems to burn buildings to ashes; water seems to wreck ships; but the screen on which the pictures are projected remains unburnt and dry. 你可以看见在一个荧屏上有各种各样的场景:火似乎要把房子烧成灰,水似乎要把船沉没,但是有着各样的图片在其上的荧幕本身却既未烧毁也不湿。
The design of unburnt carbon detector in fly ash based on DSP 基于DSP的粉煤灰碳含量检测仪的设计
Owing to the high proportion of unburnt oxygen in this efflux, afterburners are often provided in the jet-pipe. 由于这种喷气流中含有大量未燃烧的氧气,在喷管中往往安装加力燃烧室。
Using magnesium oxychloride cement as binder, carbon-free unburnt alumina magnesia based brick is prepared. Effects of MgCl_ ( 2)· 6H_ ( 2) O and magnesia on physical properties of brick are studied in this paper. 采用氯氧镁水泥为结合剂制备铝镁质无碳不烧砖,研究了MgCl2·6H2O和镁砂含量对材料物理性能的影响。
Based on the paper, the combustion ratio of pulverized coal was calculated in the raceway cavity and the factors'in relation to it were discussed and the behavior of the unburnt pulverized coal was also analyzed. 采用数学模型对风口回旋区煤粉燃烧率进行了计算,对影响它的因素进行了讨论,并对未燃煤粉的行为作了分析。
By combine fundamental principle of photoacoustic response, the measuring unburnt carbon in fly ash by photoacoustic response is studied, and the instrument design is introduced. 以光声效应的基本原理为理论基础,介绍了应用光场效应检测粉煤灰中碳含量的研究及仪器的结构设计。
This article gives the suggestions of optimized design, and the comparisons of rational unburnt coal loss and minimum stable combustion load rate between W? flame boiler and conventional combustion modes. 文中给出了优化设计的推荐意见和其合理的未燃碳损失及最低稳燃负荷率与常规燃烧方式的比较。
Study on Properties of Carbon-free Unburnt Brick Bonded by Magnesium Oxychloride Cement 氯氧镁水泥结合铝镁质无碳不烧砖性能的研究
Effects on Unburnt Pulverized Coal on Coke Pulverization Properties 未燃烧煤粉对焦炭粉化性能的影响
New Method for Detection of Unburnt Carbon in Fly Ash 一种新型检测粉煤灰中碳含量的方法
Unburnt liquid, solid phase pyrolysis product and minor condensation particles; ( 3) unburnt combustibles and large quantities of entrained air. 未完全燃烧的液、固相分解物和冷凝物微小颗粒:以及(3)未燃的可燃蒸汽和卷吸混入的大量空气。
This paper reports some experimental results on components of solid unburnt loss in fluidized twin-bed boilers operating in parallel and on factors influencing the solid unburnt loss. 本文介绍了双床并联运行沸腾炉固体未完全燃烧损失的组成与其影响因素的试验研究结果。
Research on unburnt alumina-spinel brick for ladle 不烧铝尖晶石钢包砖的研究
CO in unburnt carbon surface was beneficial to oxidation and chemic adsorption of Hg. 残炭表面的含氧官能团CO有利于Hg的氧化和化学吸附。
In situ experimental studies were made on the NOx emission and unburnt carbon loss in a 300 MW lean coal fired boiler, which adopted a new kind of HBC burner with the side secondary air ( HBC-SSA) and the horizontally offset secondary air nozzles. 利用一种新型的二次风喷口水平摆动的水平浓淡风煤粉燃烧器对一台300MW燃贫煤锅炉进行技术改造,并对影响NOx排放量和飞灰可燃物含量的各种因素进行了现场试验研究。
Through mixing a little unburnt pulverized coal in slag, the decrease of adhesion and melting temperature of slag was got. 对未燃煤粉进入炉渣进行了粘度测定,测定结果表明:极少量的未燃煤粉进入炉渣炉渣有稀释作用,使炉渣粘度及熔化性温度下降。
Study of Instrument Using Photoacoustic Technology to Measure Unburnt Carbon in Fly Ash 应用光声效应检测粉煤灰中碳含量仪器的研究
A new method for designing the instrument measuring unburnt Carbon in Fly Ash using photoacoustic technology was discussed. The experiment results showed that this method was practicable. 通过介绍应用光声效应检测粉煤灰中碳含量仪器的结构设计,提出了一种光声光谱测试仪器设计的新方法,并用样品检测实验数据说明了这种方法的可行性及实用性。
Experimental Study on Various Factors Affecting the Solid Unburnt Loss ( q4) in Fluidized Twin-Bed Boilers 影响双床并联运行沸腾炉固体未完全燃烧损失(q4)各种因素的分析研究
It points out there are both advantageous and disadvantageous influence of UPC ( unburnt pulverized coal) on the work of BF. 指出,未燃煤粉的存在对炉况的影响有利有弊。
The calculation of pulverized coal in raceway cavity and the behavior of the unburnt pulverized coal 煤粉燃烧率的计算及未燃煤粉的行为
A Microwave System for Measuring Unburnt Carbon of Fly Ash in Boiler Flue Gas Duct 烟道式锅炉飞灰微波测碳系统开发与应用
The results show that magnesium oxychloride cement can improve cold crushing strength ( 110 ℃× 24h, 1600 ℃× 3h) of unburnt brick significantly. 结果表明,氯氧镁水泥能明显提高不烧砖(110℃×24h和1600℃×3h)耐压强度;
Development of the binder for unburnt bauxite clinker-spinel ladle brick 高铝矾土-尖晶石钢包砖用结合剂的研究
The studied results of behavior of unburnt pulverized coal in process of PCI in BF are summarized. 总结了高炉喷煤尤其是大量喷煤中未燃煤粉行为的研究结果。
Behavior of unburnt pulverized coal in blast furnace 高炉喷煤中未燃煤粉的行为
The method which describe flame structure as four parts: unburnt zone, preheat zone, reaction zone, product zone is proposed, and use OH half width to define the boundary and thickness of the reaction zone. 提出将火焰结构划分为未燃区、预热区、反应区、产物区的方法进行研究,利用OH半峰宽度定义反应区边界及厚度。
Under high PCI rate operation always follow low burnout, the unburnt coal powders may accumulate in the boundary of raceway, affecting the coke bed permeability and thereby the furnace stability. 在高喷吹率条件下往往导致低燃尽率,未燃尽的炭渣集聚在回旋区的边缘,影响了焦炭床的渗透性和高炉的稳定性。
The mercury adsorption efficiencies did not increase linearly with the increasing unburnt carbon content in fly ash. 随着飞灰中未燃尽炭含量的增加,吸附效率并不是线性增加的。