查询词典 blast furnace

Ltd's 40 t/h boiler heating surface has been optimized based on the analysis of coal-fired boiler and gas-fired boiler's different characteristics and heat transfer technology. At the same time, combustion mode and measures of stable combustion are analyzed and discussed, for the flameless combustion technology characters such as combustion speed, high-temperature, combusting completely and the stability of combustion, easy to operate, with the different combustion characteristics of blast furnace gas, coke-oven gas, converter gas and the actual needs of Chongqing Iron and Steel Co. Ltd's gas balance, a suitable combustion device is designed to improve boiler's thermal efficiency, recovery efficient of by-product gas, and reducing gas emission.

本文通过对燃煤锅炉与燃气锅炉的不同特点对比分析以及受热面传热技术的探讨，对重钢40t/h锅炉受热面进行了优化改造；同时对燃气燃烧方式以及强化燃烧的技术措施进行了分析和讨论，利用无焰燃烧技术的燃烧速度快、燃烧温度高，燃烧完全及扩散燃烧技术的燃烧稳定、运行可靠、结构简单等特点，结合高、焦炉煤气的不同燃烧特性和重钢煤气平衡的实际需要，选择、设计了合适的燃烧装置，实现了提高锅炉热效率，高效回收利用副产煤气，降低煤气放散的目的。

A new formula of the burden distribution along circumference in bell-less top blast furnace with parallel hoppers is presented.

建立了新的无钟并罐式高炉周向炉料流量公式。

Mortar specimens were prepared, in which finely pulverized zirconite which is inactive under the reaction condition of this experiment was used to replace ground carbonatite or ground granulated blast-furnace slag isometrically, so as to investigate the contribution of each material to the performance of the products.

本文采用无活性的锆美石分别等体积替代碱激发碳酸盐矿-矿渣胶凝材料中的碳酸盐矿和矿渣，考察此三个体系的强度变化以及通过DTA分析存在协同效应的可能性，进而通过净浆硬化体的孔溶液成分分析研究复合作用机理。

In the oxygen steelmaking processes, material from the blast furnace saturated with carbon is placed in a vessel capable of holding some 100 ~ 300 t of hot metal. Oxygen is then lanced from above the bath for about 15 min, or alternatively a mixture of oxygen and propane is blown up through tuyeres in the bottom of the vessel (bottom-blown).

在氧气炼钢工艺中，把来自于高炉的含饱和碳的铁水兑人一个容量约为100一300吨的转炉中，然后用氧气从金属熔池上面向熔池喷吹约I5分钟，或者通过熔池底部喷嘴喷入氧气和丙烷的混合气体。

In this thesis, high content blast furnace slag and/or phosphorous slag ecological cement was studied. The aim is to increase additive dosage up to 70% or more, and decrease clinker dosage down to 20% or less, as well as ensure that the resulting cement must possess excellent physicomechanical properties and good durability.

本研究的目的是以矿渣和磷渣为代表，将目前生产的矿渣和磷渣水泥中的混合材掺量逐步提高到70％以上，熟料用量减少到20％以下，在确保水泥具有良好物理力学性能和耐久性能的前提下研制高掺量矿渣、磷渣生态水泥。

Combined with blast furnace gas pipeline network practice operation situation, the article establishes gas flow characteristics analysis model and double precision simple algorithm PISO model to solve gas pressure and velocity distribution in pipeline.

文章结合某高炉煤气管网的实际运行情况，建立气体流动特性分析模型，并通过双精度SIMPLE算法的PISO模型来求解管道内煤气的压力和流速分布。

A process for preparing polysilicate aluminum ferrite coagulant from coal gangue and blast furnace sludge under normal pressure has been studied,determining the reasonable production craft and operating conditions.

研究了以煤矸石和鼓风炉淤泥为原料、在常压条件下制备高效混凝剂聚硅酸铁铝的方法，确定了合理的生产工艺和操作条件。

A new type of inorganic polymer coagulant polysilicate ferric was prepared by using blast furnace sludge as raw materials, it was used as coagulant in the treatment of dyeing wastewater.

以鼓风炉铁泥作原料，制备一种无机高分子混凝剂聚硅酸铁，并将其用于印染废水处理。

In Taiwan, a huge amount of iron blast furnace slag and coal combustion products are produced, and they are mainly reproduced added into the cement as the pozzolanic materials.

台湾地区每年产生的水淬高炉石与燃煤飞灰数量庞大，目前主要的再利用途径是作为波索兰材料添加於水泥用料中。

Results show that coal-gangue can remarkedly increase chemical resistance of cement mortar to seawater, but the effect is not better than that of granulated blast furnace slag or fly ash.

结果表明，煤矸石能明显提高水泥砂浆抗海水化学侵蚀能力，但效果不如矿粉和粉煤灰。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。