查询词典 gas coal

Under the condition that coking process and ratio of coal,rank of coal were in a relative stable condition,qualitative analysis was done to the relationship among ammonia yield and residual ammonia exhausted gas entering into saturator or not,gas desulfurization unit location,the primary cooling way,blending moisture,gas collection temperature and so on,the various factors affecting degree to the yield of ammonia were concluded,in order to organize production scientifically and rationally,and provide a reference to the same industry to solve the problem of the ammonia output fluctuation.

通过对焦化厂硫铵工序的长期跟踪研究，明确了造成硫铵产率波动的主要因素，在焦化流程和配煤比、煤种相对稳定的情况下，对硫铵产率与剩余氨水蒸氨尾气是否进入饱和器、煤气脱硫装置位置、煤气初冷方式、配煤水分、煤气集合温度等因素之间的关系进行了定性分析，得出了以上各种因素对硫铵产率的影响程度的结论，以便科学合理地安排硫铵的生产计划，并为同行业解决硫铵产量波动的问题提供参考。

Analyzed the causes of "2.22" gas explosion disaster at Tunlan Coal Mine which led the death of 78 people.It was the breezeless condition of No.1 crossheading at 12403 working face in the coal mine's southern No.4 panel region that made the local gas accumulated to the explosive concentration.It was the electrical switch which lost its explosionproof ability in No.1 crossheading that ignited the gas.

分析了死亡78人的屯兰煤矿&2.22&特别重大瓦斯爆炸事故原因：该矿南四盘区12403工作面1号联络巷处于微风无风状态，造成瓦斯局部积聚达到爆炸浓度，1号联络巷内的电气开关失爆，引爆瓦斯。

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。

Based on the research, the author points out the distribution of the disturbed coal along the coal bed is caused by the coal-seam slip; presents multistratified and multi-staged; developed in some specific coal beds; the value of Ng of the disturbed coal possess dual character in the coal-gas outburst prediction.

分析了影响煤层瓦斯分布和瓦斯突出的地质因素，重点研究了煤体结构和地质构造标志；提出了突出煤层临界厚度计算方法、瓦斯动力现象综合分类方案和研究区突出防治措施建议。

Co-production system integration theoretical system that takes double gas heads of gasification coal gas and pyrogenation coal gas as the basis.

以气化煤气和焦炉煤气双气头为基础的多联产系统集成理论体系。

Some examples of existing CDM projects are:installing a waste heat-recovery system into a coking plant; establishing a coal mine methane-utilisation scheme for households currently using coal, and installation of an electricity generation station fuelled by coal mine methane; capturing waste gases (blast furnace gas and coke oven gas) from the steel-making process for utilisation in a new, combined-cycle power plant; constructing a pilot biomass power plant, utilising cotton and corn straw as fuel, to generate electricity to be supplied to the North China grid system; capturing methane from a landfill to produce power for the local grid; establishing wind farms; and reforesting mixed-used forest in Guangxi.

现有的一些清洁发展机制项目例子有：在焦化厂安装余热回收系统；对家庭目前使用煤炭状况建立了煤矿甲烷利用计划并利用煤矿甲烷为安装的发电机提供燃料；从炼钢过程中获取废气用于一种新的循环电厂；利用棉花和玉米秸秆为燃料建设生物质能发电厂，发电提供给中国北部网格系统；从一个垃圾填埋场获取甲烷为本地网格发电；建立风力发电厂；对广西混合使用的森林进行重新植林。

Some examples of existing CDM projects are:installing a waste heat-recovery system into a coking plant; establishing a coal mine methane-utilisation scheme for households currently using coal, and installation of an electricity generation station fuelled by coal mine methane; capturing waste gases (blast furnace gas and coke oven gas) from the steel-making process for utilisation in a new, combined-cycle power plant; constructing a pilot biomass power plant, utilising cotton and corn straw as fuel, to generate electricity to be supplied to the North China grid system; capturing methane from a landfill to produce power for the local grid; establishing wind farms; and reforesting mixed-used forest in Guangxi.

现有的一些清洁发展机制项目例子有：在焦化厂安装余热回收系统；对家庭目前使用煤炭状况建立了煤矿甲烷利用计划并利用煤矿甲烷为安装的发电机提供燃料；从炼钢过程中获取废气用於一种新的循环电厂；利用棉花和玉米稭秆为燃料建设生物质能发电厂，发电提供给中国北部网格系统；从一个垃圾填埋场获取甲烷为本地网格发电；建立风力发电厂；对广西混合使用的森林进行重新植林。

The method of drilling by the wind coal drill ,the coal body produces the crack and releases gas under the conditions of the dynamic pressure function of mining field,then draining gas with drainage facility to govern the local high gas region at working surface are introduced.

介绍了利用风煤钻施工钻孔，在采场动压作用下煤体产生裂隙释放瓦斯，然后利用抽排设施抽放瓦斯，治理采面局部高瓦斯区域的方法。

The gas solid interaction was studied, the solid concentration and particle size distribution contours downstream of the nozzle were obtained. The particle roping mechanism in a coal conveying pipe with large diameter was also studied with the fiber probe. The on-line coal concentration measuring facility is needed for NO〓 reduction. In this work, a set of on-line coal concentration measuring facility was developed and installed in the coal conveying pipes of a 660MW capacity utility boiler, which can give on-line accurate coal concentration information for the operator.

论文首次采用基于光学波动法的激光光纤探针，对高浓度的低NO〓燃烧器出口的气固两相流动的详细结构进行了试验，研究了配300 MW煤粉燃烧锅炉的燃烧器出口高浓度气固相射流中颗粒浓度、粒度随射流发展的演变规律，分析了利用水平浓淡燃烧器和齿形燃烧器实现对低NO〓燃烧有利的气固结构，并验证了基于DES方法的气固两相数值模拟的计算结果。

For coal-fired boilers: coal rate of 8 ~ 20%; clear coking coal-fired system 50 ~ 95%; to reduce sulfur emissions 20 ~ 30%; to reduce harmful gas emissions 50 to 95 percent; firepower improve about 20%; lower value of about 14% of spontaneous combustion, and life brought about by the extension of the boiler to reduce the repair cycle of the furnace, flue, heating surface, such as equipment maintenance Qing Jiao role in enhancing the stability of combustion, reducing harmful gas emissions and other benefits.

对于燃煤锅炉：节煤率为8～20％；清除燃煤系统结焦50～95％；降低硫排放20～30％；降低有害气体排放50～95％；火力提高20％左右；降低自燃值14％左右，并带来延长锅炉使用寿命，减少维修周期，对炉膛、烟道、受热面等设备具有清焦保养作用，提高燃烧的稳定性，减少有害气体的排放等效益。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。