煤粉自燃,spontaneous combustion of coal powder
1)spontaneous combustion of coal powder煤粉自燃
2)Self-adapting burner自适应煤粉燃烧器
3)pulverized coal reburning煤粉再燃
1.The experiment ofpulverized coal reburning was performed with a one-dimensional furnace.采用煤粉气流均相着火模型和炭粒非均相热力着火模型对煤粉再燃脱硝效率与其着火状态的相互作用进行了研究。
2.The variations of main gas volume fractions with initial oxygen volume fraction duringpulverized coal reburning were investigated using a one-dimensional flame furnace.在一维炉上对煤粉再燃过程中烟气内主要气体体积分数随再燃区初始氧体积分数的变化规律进行了研究。
英文短句/例句
1.Experimental Investigation on Specific NO Reduction Quantity for Coal Reburning Process煤粉再燃过程再燃煤比脱硝量的实验研究
2.Experimental Studies of NO_x Reduction by Micronized Coal Reburning;煤粉再燃降低NO_x排放的试验研究
3.The Numerical Simulation on Micronized Coal Reburning Technology for Reducing NOx Emission;超细煤粉再燃技术降低NOx的数值模拟
4.Study on Super-Pulverized Coal Reburning Mecharism and Separating Technology;超细煤粉再燃机理及细粉分离技术研究
5.Micronized Coal Reburning in Tangentially Fired Boiler;四角切圆燃煤锅炉超细煤粉再燃技术数值试验研究
6.The Application of the Rotary-classifier in Reburning Technology;离心式旋转煤粉浓缩器在超细煤粉再燃技术中的应用
7.Investigation on NO_x Reduction Mechanism by Superfine Micronized-Coal Reburning and Numerical Simulation Study on Reconstruction Projects;超细煤粉再燃机理及改造方案的数值模拟研究
8.Pulverized Coal Reburning Numerical Simulation on a 410t/h Boiler for Low NOx Emission;410t/h锅炉煤粉再燃低NOx控制的数值模拟研究
9.Numerical Simulation of NO_x Reduction of Utility Boiler with Micronized Coal;采用超细煤粉再燃锅炉降低NO_x排放的数值模拟
10.Variation Trends of Main Gas Concentrations During Reburning with Pulverized Coal煤粉再燃过程中主要气体体积分数的变化规律
11.Numerical Simulation of Furnace Combustion Process Using Pulverized Coal Reburning;使用超细煤粉再燃技术的锅炉炉内过程的数值模拟
12.Experimental Study and Numerical Simulation on Micronized-Coal Reburning and Deep Air Staging;超细煤粉再燃和深度空气分级技术的试验研究与数值模拟
13.Study on Characteristics of Flow Fields in Furnace with Coal Reburning Technology and Its Engineering Application;采用煤粉再燃技术炉内流动特性及工程应用研究
14.Experimental Investigation and Modeling of the Interaction between Ignition and Denitration during Pulverized Coal Reburning煤粉再燃中着火与脱硝相互作用的实验研究及其模化
15.NO_x REDUCTION AND BURNOUT CHARACTERISTICS OF COAL IN RE-BURNING PROCESS再燃降低NO_x排放及煤粉燃尽特性研究
16.Study on Influence of Pulverized Coal Characters on NO Reduction by Reburning;煤粉特性对再燃还原NO影响的研究
17.Experimental Studies of NO_x Reduction by Reburning and Fouling and Corrosion in a Drop Tube Furnace;煤粉炉内再燃脱硝和结渣腐蚀特性的试验研究
18.The Cold Simulated Experimental Study on 220t/h Pulverized Coal Boiler Using Reburning Rechnology;220t/h煤粉炉低NOx再燃技术冷态试验研究
相关短句/例句
Self-adapting burner自适应煤粉燃烧器
3)pulverized coal reburning煤粉再燃
1.The experiment ofpulverized coal reburning was performed with a one-dimensional furnace.采用煤粉气流均相着火模型和炭粒非均相热力着火模型对煤粉再燃脱硝效率与其着火状态的相互作用进行了研究。
2.The variations of main gas volume fractions with initial oxygen volume fraction duringpulverized coal reburning were investigated using a one-dimensional flame furnace.在一维炉上对煤粉再燃过程中烟气内主要气体体积分数随再燃区初始氧体积分数的变化规律进行了研究。
4)pulverized coal combustion煤粉燃烧
1.Numerical simulation of apulverized coal combustion two-phase flow;煤粉燃烧两相流的数值模拟
2.Based on Eulerian treatment of gas phase,Eulerian treatment of particle continuum and momentum equations,as well as Lagrangian treatment of particle energy and mass transport equations,a three-dimensional mathematical model of turbulent gas-particle two-phase flow andpulverized coal combustion is formulated in the raceway of blast furnace.基于欧拉气相方程组、欧拉颗粒连续方程和动量方程以及拉氏颗粒能量和质量变化方程,建立并发展了高炉风口回旋区湍流气固两相流动和煤粉燃烧的三维数学模型。
3.Three kinds of coal differed from fineness were burned in a laboratory-scale drop tube furnace for combustion test,and an 8-stage Andersen particle impactor was employed for sampling the primary particulate matter(PM),in order to study coal fineness effect on primary PM features duringpulverized coal combustion.研究煤粉细度对煤粉燃烧后一次颗粒物特性的影响。
5)unburned pulverized coal未燃煤粉
1.Influence ofunburned pulverized coal on metallurgical properties in slag in blast furnace at PZH steel;未燃煤粉对攀钢高炉炉渣冶金性能的影响
2.Behavior ofunburned pulverized coal in blast furnace was investigated with a coke-filled bed hot model on the basis of the field production conditions at Baosteel,in different atmosphere and at different temperatures.该试验根据宝钢现场生产条件,在不同气氛、不同温度时利用焦炭充填床热模型研究未燃煤粉在炉内的行为。
3.It is avoidless to bringunburned pulverized coal in the case of injecting pulverized coal into blast furnace of iron making.在炼铁生产的高炉喷煤中,不可避免的要产生未燃煤粉。
6)coal combustion煤粉燃烧
1.Research progress of fractal forcoal combustion;分形在煤粉燃烧中的研究进展
2.Research progress in low N0_x emission control ofcoal combustion at home and abroad;国内外煤粉燃烧低NO_x控制技术的研究现状
3.Simulation of 3-D gas-particle flows andcoal combustion in a tangentially-fired furnace model using a two-fluid-trajectory model;用双流体轨道模型模拟四角喷燃模型炉内三维湍流两相流动和煤粉燃烧
延伸阅读
低NO_x煤粉燃烧器低NO_x煤粉燃烧器low NO_x pulverized-coal burner(1 iN()[11、、一f、一、一:一、11:一，‘一i低NO二煤粉燃烧器(low NOJ pulverized一eoalburner)能降低和抑制NO，生成的煤粉燃烧器。低N认煤粉燃烧器通过特殊的结构设计，采用空气分级(见空气分级)、燃料分级(见二次燃料再燃烧)、浓淡燃烧和烟气再循环等技术措施，尽可能地降低燃烧区的氧浓度和火焰的峰值温度，减少在高温区的停留时间，抑制NO，的生成，或使已生成的NO，在下游区域还原成NZ。其中空气分级是应用最广.比较成熟的低NO，技术。现有电站锅炉上采用的低NO，燃烧器的结构型式很多，随着制造厂的不同而有较大的差异，但基本原理类同。双调风旋流燃烧器将二次风分成内二次风和外二次风两股气流，通过调风器和旋流叶片分别控制各NO，的生成，见图5。二次空气SGR一孟二次空气一次空气二次空气S口砚一二次空气图5 SGR燃烧器对于采用低NO，嫩烧器的锅炉，除燃用贫煤和无烟煤的以外，经过燃烧优化调整后，通常均可使NO，的排放量低于650 mg/m3(02=6%)(液态排渣锅炉NO，的排放量可能会比较高)。对于已有锅炉改用低NO二燃烧器时，因燃烧推迟而有可能会使效率降低一些。自的风量和旋流强度，以调节一、二次风的混合，使其在燃烧器出口附近的火焰根部形成缺氧富燃料区，使燃烧推迟，火焰温度降低，NO，的生成量减少，在下游形成富氧的燃尽区，保证燃料的完全燃烧，见图1。外二次风调风俗┌─┐ ┌────────┤川│ │l/沪.│ │ └────────┤ │┌─────────┤ ││一仁业班丛旦止罕生│ │└─────────┴─┘点火油枪次风+煤粉或烟气 图1双调风旋流燃烧器低NO，直流燃烧器将80%左右的燃烧空气送人主燃烧器，在主燃烧器区域形成缺氧富燃料的工况，降低火焰峰值温度，既减少NO二的生成，又有可能使已生成的NO，还原成氮分子(NZ).从而减少NO二的排放量。而在主燃烧器的顶部设置燃尽风OFA，将剩余的空气由此送人炉膛，使未完全燃烧产物燃尽.见图2。
