双通道低氮煤粉燃烧器,dual channel low NOx pulverized coal combustor
1)dual channel low NOx pulverized coal combustor双通道低氮煤粉燃烧器
1.In the paper,the screen separation and loss of ignition are used to study the fly ash carbon distribution,mercury intrusion and X-ray diffraction are used to study the fly ash carbon inactivation,so as to analysis the reasons of the very high fly ash carbon indual channel low NOx pulverized coal combustors.利用筛分法和烧失量法研究双通道低氮煤粉燃烧器飞灰碳的分布特性,利用压汞仪和XRD分析飞灰碳的失活程度,从而研究双通道低氮煤粉燃烧器飞灰碳升高的原因。
英文短句/例句
1.INVESTIGATION OF DUAL CHANNEL LOW NO_x PULVERIZED COAL COMBUSTOR FLY ASH CARBON FORMATION双通道低氮煤粉燃烧器飞灰碳形成机理的研究
2.The development and application of WRKT-Ⅲ dual-channelWRKT-Ⅲ型双通道煤粉燃烧器的研制与应用实践
3.Effect of Velocity Difference of Two Channels in Biased Pulverized-coal Concentration Burners on NO_x Emissions浓淡煤粉燃烧器双通道速度差对NO_x排放的影响
4.The Numerical Simulation Study of the Flow Field with the Four-channel Coal Burner;四通道煤粉燃烧器流场数值模拟研究
5.Numerical Simulation of Air Phase Flow Field with TC Type Four-channel Coal BurnerTC型四通道煤粉燃烧器气相流场数值仿真
6.Study on Flow and Combustion Characteristics of Double Swirl Flow Burner双旋流煤粉燃烧器流动及燃烧特性试验研究
7.The Applying Characteristic Research of Low NOx Pulverized-coal Burner;低NOx煤粉燃烧器的应用特性研究
8.A PHYSICAL SIMULATION OF THE AERODYNAMIC PROCESS IN CEMENT KILN WITH A THREE-CHANNEL COAL POWDER BURNER三通道煤粉燃烧器的水泥窑内空气动力过程物理模拟
9.atmospheric gas-burner自燃通风煤气燃烧器
10.Investigation on Reducing NOx Emissions for Pulverized Coal-fired Burners in Power Plants;电站锅炉煤粉燃烧器降低NOx排放的研究
11.Application of novel burner with lower NO_x for pulverized coal-fired boiler in large-capacity thermal power plant大型火电站低NO_x煤粉炉新型燃烧器应用综述
12.Modification of Low Nitrogen Oxide Combustion for 300MW Coal-fired Boiler300MW燃煤锅炉低氮氧化物燃烧的改造
13.Experimental Study on Pulverized Coal Combustion and NO_x Emissions in High Temperature Air with Low Oxygen Concentration;煤粉的高温低氧空气燃烧和氮氧化物生成特性研究
14.The Experimental Study on Nitrogen Releasing Regularity and NO_x Reduction During the Coal Combustion;煤粉燃烧氮析出规律及脱硝试验研究
15.Numerical Research and Experimental Study on deNOx Technology of Pulverized Coal Boilers;煤粉炉低NOx燃烧技术的数值试验研究
16.The Numerical Simulation of Supercritical Pulverized Coal Boiler s Low NO_x Combustion;超临界煤粉锅炉低NO_x燃烧数值模拟
17.The Application Research of Controllable Pulverized Coal Rich/lean and Low NO_x Burner on the Power Plant 410t/h Boiler;可调煤粉浓淡直流低NO_x燃烧器在410t/h电站锅炉上的应用研究
18.Numerical Simulation of Redusing NO_X Emission in Vertical Staged Horizontal Bias Combustion Burner;垂直分级水平浓淡煤粉燃烧器降低NO_X排放的数值模拟
相关短句/例句
dual channel coal burner双通道煤粉燃烧器
1.Application of WRKT-Ⅲdual channel coal burner of 130t/h boiler of Huiyuan Comany;WRKT-Ⅲ型双通道煤粉燃烧器在汇源公司130t/h燃煤锅炉上的应用
3)double channel self-stabling PC burner双通道自稳式煤粉燃烧器
4)multi-channel coal burner多通道煤粉燃烧器
1.With high temperature characteristics,ceramics can be used as inner-liner inmulti-channel coal burner to improve combustion efficiency.陶瓷具有耐高温的特性,多作为内衬应用在多通道煤粉燃烧器上来提高煤燃烧效率。
5)4-channel TC type coal burnerTC型四通道煤粉燃烧器
1.Takes the4-channel TC type coal burner as the research object.以TC型四通道煤粉燃烧器为研究对象,通过三维建模和结构化网格划分,采用κ-ε湍流模型和simple算法,考察了该燃烧器内流场的变化并对其进行数值分析与仿真,获得了与实际情况相符的流场分布图。
6)4-channel coal burner四通道煤粉燃烧器
1.This paper takes the4-channel coal burner as the research object.本文以四通道煤粉燃烧器为研究对象,通过三维建模和结构化网格划分,采用κ-ε湍流模型和simple算法,考察了该燃烧器内流场的变化并对其进行数值分析与仿真,获得了与实际情况相符的流场分布图。
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。
