1) over-fire air rate
燃尽风率
1.
Numerical simulation of the effect of over-fire air rate on NO_x emission in utility boiler
燃尽风率变化对电站锅炉NO_x排放特性影响的数值模拟
2) over fire air
燃尽风
1.
An experimental investigation to reduce the NOx emission during burning bituminous coal has been carried out in a 220 t/h tangential pulverized coal firing rectangle furnace, with a technique combining horizontal bias combustion (HBC) burners in the primary zone and retrofitted seperated over fire air (SOFA) nozzles above the tertiary air.
针对燃烧器采用四角切圆矩形炉膛布置方式的某燃用烟煤220t/h锅炉,在主燃烧区域通过采用水平浓淡燃烧器、在三次风上层加装高位燃尽风喷口(SOFA),采取燃料水平分级与空气垂直分级结合的方式进行改造,降低氮氧化物(NOx)排放水平。
2.
A stereo-staged low NOx combustion system is consist of horizontal bias combustion(HBC) burners and over fire air(OFA).
立体分级低NOx燃烧系统,由低NOx燃烧器的燃料水平分级和高位燃尽风空气垂直分级技术有机耦合而成。
3.
The effects on NOx emission of excessive air coefficient,inclination of burner and the over fire air flow were investigated through experimental method.
在分析NOx生成机理的基础上,用试验的方法研究了过量空气系数、燃烧器倾角以及顶部燃尽风开度对NOx排放浓度的影响。
3) overfire air
燃尽风
1.
The test research indicates that,compare with the common air staged combustion technology,overfire air into the furnace in two sections can ont only reduce the NOx emission,but also reduce the fly ash combustible content,so the denitration and overfire effect.
试验结果表明,与通常的空气分级技术相比较,燃尽风分两股送入炉内不仅能有效降低NOx的排放量,还能很好的降低飞灰可燃物含量,取得更佳的脱硝效果和燃尽效果。
2.
The deflected second air system and overfire air system is used in a 600?MW utility boiler.
某 6 0 0MW四角切圆燃烧锅炉 ,采用顶部燃尽风系统并配合使用偏转二次风系统 ,炉膛下部二次风大角度正切 ,上部二次风和OFA风反切消旋 ,在炉膛截面水平方向和炉膛高度方向形成分级燃烧 。
4) burnout efficiency
燃尽率
1.
5% in a slurrying process, the ignition temperature of coal is reduced from 582℃ to 576℃ and the burnout efficiency of fixed carbon is promoted from 91.
用热重法研究了不同条件下电石渣的催化煤燃烧特性,发现电石渣对晋城煤的着火温度和固定碳燃尽率都具有一定的促进作用,而且随添加量的增加助燃作用增强。
5) burnout rate
燃尽率
1.
The impact on NO_ x emissions of various factors was analyzed along with a discussion of the effect on burnout rate of different excess air factors, mixing dilution ratios and the ratio of primary and secondary air.
在一维沉降炉上对无烟煤、贫煤、烟煤及其混煤的燃烧特性进行了研究 ,分析了不同因素对NOx 排放量的影响 ,并讨论了不同过量空气系数、掺混比及一、二次风比例对燃尽率的影响 ,试验结果表明 :当烟煤的掺混比例为 2 5 % ,NOx的排放量较低 ,混煤燃烧时沿程分析结果表明 ,煤种特性的不同导致NOx排放时有不同的峰值。
2.
A simple and efficient model is developed which can be used to predict unburned carbon content of flying ash and to calculate burnout rate.
建立了对实际锅炉煤粉燃尽率与飞灰含碳量预测的一维计算方法 ,将煤的燃烧特性与锅炉结构特性相结合 ,提出锅炉“煤性”与“炉性”相结合的计算方法 。
3.
Concentration of HCN and NH3 were measured under the different coal species and particle size as well as furnace temperature, and relations of among NH3/HCN and NOx conversion ratio as well as burnout rate of pulverized coal were analyzed under the different pulverized coal concentration.
为探索煤粉浓度对含氮化合物生成与转化过程的影响机理,以连续给粉的一维沉降炉试验台为依托,在不同煤种、粒径和炉温下,对不同煤粉浓度下HCN与NH3的析出浓度进行了测试,并对HCN与NH3析出量与NOx转化率及燃尽率之间的关系进行了分析。
6) Wall-set OFA
墙置燃尽风
补充资料:燃尽
分子式:
CAS号:
性质:燃尽在多个场合下采用,有不同的意义。在燃烧过程中,把可燃的物质都烧完了,便称为燃尽,也有翻译为熄火。在气-液两相沸腾换热的设备中,若热通量非常高,液相一侧在传热表面上的液膜被蒸干,表面温度急剧上升,常导致金属壁面的损坏,此现象也称为burn-out,可译为烧段。
CAS号:
性质:燃尽在多个场合下采用,有不同的意义。在燃烧过程中,把可燃的物质都烧完了,便称为燃尽,也有翻译为熄火。在气-液两相沸腾换热的设备中,若热通量非常高,液相一侧在传热表面上的液膜被蒸干,表面温度急剧上升,常导致金属壁面的损坏,此现象也称为burn-out,可译为烧段。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条