燃烧器

Based on FLUENT, which is a numerical experimental plat, numerical simulation research was undertook to study the gas-solid phases flow characteristic of low NOx deflectable deposited perimeter air combustion burner and its application on large scale power plant boiler.

本文基于FLUENT数值试验平台，对低NOx偏置周界风燃烧器气固两相流动特性以及在大型电站锅炉中的应用进行了数值试验研究。

Numerical experimental results showed that the perimeter air deflectable deposited burner could ensure the flame stability to satisfy combustion requirements under low load and can prevent spout fire carrying, low concentration of particle matters around the water-wall ensures the water-wall to be in oxidation atmosphere to solve problems of high temperature erosion and slagging, and particle matters separated from main spray caused by deflectable deposited perimeter air plays a significant role in low NO combustion control.

数值试验结果表明，偏置周界风燃烧器在保证煤粉气流着火稳定性以满足低负荷燃烧要求的同时，具备较强的防止喷口带火能力；炉内水冷壁附近颗粒物质量分数相对较小，从而能保证较高的氧化性氛围以解决水冷壁高温腐蚀、结渣等问题；偏置周界风所引起的炉内气固两相偏析在低NO燃烧控制方面具有重要意义。

A method for designing the perimeter air deflectable deposited combustor combining advantages and disadvantages of perimeter air, side air and blunt technique was proposed to solve problems of primary air fire carrying, high temperature erosion, slagging and low load flame instability in the large scale power plant boiler.

针对大型电站锅炉存在一次风喷口带火、高温腐蚀、水冷壁结渣、要求低负荷稳燃等问题，结合周界风、侧边风、钝体技术在不同方面的优缺点，提出了偏置周界风燃烧器设计方法。

The numerical experimental result indicated that perimeter air deflectable deposited burner could ensure the flame stability, prevent spout fire carrying and promote low pollutant emission combustion.

结果表明偏置周界风燃烧器在保证煤粉气流着火稳定性同时，具备较强的防止喷口带火能力及低NOx燃烧能力，并能够保证了水冷壁附近处于相对较高的氧化性氛围，从而解决水冷壁高温腐蚀、结渣等问题。

Commonly used are desuperheater (sub-surface, and spray-type desuperheater Desuperheater two kinds) thermostat method; flue gas re - circulating thermostat method; swing burner thermostat law; flue baffle thermostat law; gas - gas heat exchanger thermostat law.

常用的有减温器（分表面减温器和喷淋式减温器两种）调温法；烟气再循环调温法；摆动燃烧器调温法；烟气档板调温法；汽—汽热交换器调温法等。

Since formation only seven years ago, export markets have risen to 90% of Morgan Shanghai's ignitor and sensor production. Markets include the US and, increasingly, Germany – traditionally the home of technical ceramics.

摩根高级陶瓷公司上海燃烧器和传感器生产工厂，自7年前成立以来，其产品出口市场已增长了90%，主要出口市场为美国，并且对传统的技术陶瓷强国——德国的出口也出现大幅提高。

In this paper, the characteristics of catalytic reforming reaction, coke deposition on Ni katalyst and three-dimension flow in the micro combustor premixed chamber were simulated.

因微型燃烧器内微尺度燃烧易熄火、燃烧效率不高，存在催化重整过程中的积碳、微尺度等问题，可利用甲烷和湿空气中水蒸汽预混催化重整产氢来强化燃烧，对预混腔内催化重整、积碳及流动特性进行模拟，探讨了微型预混腔中甲烷、水蒸汽重整过程中水碳比、质量流量和催化壁面温度对催化重整、积碳、流动等的影响。

The effects of microburner dimensions, heat conductivity and thickness of wall, external heat losses and wall roughness on com-bustion characteristics were studied.

模拟结果显示，燃烧器内径的变化、壁面导热系数、对流换热系数和壁面厚度的变化影响了热量在壁面内的传递和流体内径向温度的传递，使得燃料点燃和燃烧稳定性受到影响，甚至导致燃烧停止。

Test study on electrio omagnetic type oilless ignition burner has been carried out under condition of maintaining same air velocity and same walltemperature, the influence of different pulverized coal concentration in air flow upon igniting temperature , igniting distance, igniting heat, and igniting mode being analysed, and the igniting mechanism being approached.

在保持相同风速与壁温的条件下对电磁感应无油点火燃烧器进行了试验研究，分析了不同煤粉气流浓度对着火温度、着火距离、着火热以及着火方式的影响，并对其着火机理进行了探讨。

And do the slagging characteristic research on CWS used in Test.

通过多种结渣预测模型，对所使用的注汽锅炉所用的水煤浆及其灰渣，进行了结渣特性进行了研究；对锅炉改造和所用的燃烧器的进行了系统的试验和计算，对炉内的飞灰轨迹进行了模拟以研究炉内可能产生的积灰与结渣。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。