查询词典 pulverized

For the investigation of ignition and flame stability of pulverized coal burners, the experimental study and numerical simulation method have been used in this paper.

本文运用实验及数值计算方法对煤粉燃烧器着火及火焰稳定性进行了全面的分析研究。

Plasma ignition system can ignite pulverized coal and stabilize flame without any oil, which is an important means to save oil used for the boiler ignition, flame stabilization and commissioning. It can be used to effectively reduce the cost of power generation, save oil resource and enhance the energy security for China.

等离子点火装置可以在完全不需要任何燃油的情况下达到点火及稳燃的目的，是一种有效节约锅炉点火、稳燃和调试用油的手段，对降低发电成本、节约油资源、增强国家能源安全有很大意义。

The effects of pulverized coal concentration on ignition temperature, ignition heat quantity, ignition time, ignition distance and flame spread velocity are discussed theoretically.

本文还就煤粉浓度对着火温度、着火热、着火时间、着火距离、火焰传播速度等的影响进行了理论分析。

Focusing on a straight-flow burner with rectangular section, a series of factors which concern the pulverized coal ignition and flame stability have been investigated through numerical computation, some valuable results are gotten.

针对直流式燃烧器，通过数值计算全面考察了影响煤粉着火及火焰稳定的一些因素，得出了一些有价值的结果。

Through the contrastive experiment and the numerical simulation between the pulverized coal and the char without volatile, the interaction of volatile flame, CO gas reaction and char particle combustion is studied.

碳粒燃烧的连续膜模型的计算结果和FTIR E-T测温实验结果表明，在实际煤粉火焰条件下，单膜模型和严格的连续膜模型的预报结果相差较大，特别是对着火点及着火后某段区间内的颗粒温度的预报，是仅考虑表面氧化反应C+1/2O〓→CO的单膜模型所无法完成的，这说明了单膜模型存在一定的应用局限性。

All of these provide scientific basis for development of the novel cyclone. At last, according to the thorough study of gas-solid process, The cyclone shape and size are improved, and the cyclone performances are taken better. The technique of cyclone with down-flow is updated, and applied in CFB boilers, retrofitting old boilers, CFB pulverized-coal gasifier, flue gas cleaner, and so on. The successful operation of 75T/h CFB boiler indicts that the novel technique tends to ripe.

最后，根据对气固分离过程的深入研究，对下排气旋风分离器进行了结构改进与性能完善，实现了下排气旋风分离技术的升级换代，并将技术成果成功应用于下排气循环床锅炉、旧锅炉改造、流化床煤粉气化炉及烟气除尘净化等方面。75T/h下排气循环床锅炉的成功运行表明下排气旋风分离技术已趋成熟，发展前景广阔。

Pulverized bituminous coal; used as a foundry facing.

研磨成粉的生煤，用作铸造涂料。

Based on it,three dimensional numerical simulation of Natural Gas Rebuming is carried out.With the typical tangentially fired boilers in China as research object,it is set up that the pulverized coal combustion models and the NOx models.Through CFD method,the combustion process is simulated.All of these will promote the engineering applications of fuel reburning technology.

在此基础上，对燃煤锅炉的天然气再燃过程进行了系统的三维数值模拟，以我国典型的四角切圆煤粉锅炉为研究对象，建立了煤粉扩散燃烧和污染物NOx生成-还原模型，采用计算流体力学方法，模拟其燃烧过程，促进了再燃低NOx技术应用的推广。

Tile cutting disks, deep drawing tools, plain bearings, sealing and sliding sealing rings, guide gibs, liners and bushings, shaft protective sleeves, rolls for cold rolling mills, tools for diecasting pulverized materials

饰面花砖切削盘、深拉工具、滑动轴承、密封圈和滑动密封圈、导向槽、衬垫和轴套、曲柄轴套、冷压磨碎机轧辊、硬模铸造研磨材料的工具、刀盘。

Tile cutting disks, deep drawing tools, plain bearings, sealing and sliding sealing rings, guide gibs, liners and bushings, shaft protective sleeves, rolls for cold rolling mills, tools for diecasting pulverized materials, cutting disks.

饰面花砖切削盘、深拉工具、滑动轴承、密封圈和滑动密封圈、导向槽、衬垫和轴套、曲柄轴套、冷压磨碎机轧辊、硬模铸造研磨材料的工具、刀盘。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。