燃烧器

The development,application and evolution of precombustion chamber burners were discussed.

论述了预燃室型燃烧器的研制、应用和发展过程，分析总结了预燃室型燃烧器在实际应用中的优缺点，重点讨论了该类燃烧器设计及应用中应注意的问题。

The study showed that installing a precombustion chamber could help improve complete combustion of the burner.The terfiary air near the chamber wall could lower the temperature of the chamber inner wall.The study results provided the theoretical basis for optimum design of burner structure.

研究认为燃烧器设置预燃室有利于提高燃烧器的完全燃烧度，紧靠燃烧室壁面的三次风有利于降低燃烧室内壁温度，研究结果为燃烧器结构的优化设计提供了理论依据。

The unrational structure of ceramic burner and the reduction of gas thermal value lead to its deficiency in capacity is demonstrated by theory analysis and model experiment.

通过理论分析得出了煤气热值下降和陶瓷燃烧器的结构不合理是导致套筒式陶瓷燃烧器能力不足的主要原因，模型实验证明了燃烧器的结构是其主要因素。

With respect to the burner design a "self-stabilizing combustion technology incorporating double primary air channel" developed jointly by HBC and Qinghua University has been adopted. This item of technology was awarded a China National Golden Prize for outstanding creative and inventive patents. The marked flame stability at low loads and excellent overall performance provided by the above-cited technology have advanced the design of high-capacity anthracite-fired boilers to a new level.

特别是在燃烧器设计中，采用了哈锅与清华大学联合开发研制的，并获得国家创造发明专利金奖的&双一次风通道自稳式燃烧器&，该燃烧器具有明显的低负荷稳燃特性和优良的综合性能，使大型无烟煤锅炉的设计达到了一个新水平。

Detailed analysis is conducted on the velocity field, the pulverized coal concentration and temperature, and the results indicate that: in the first stage of the two-stage oil-less ignition system, the flow characteristics and the distribution of pulverized coal concentration make for the ignition of pulverized coal by heating pipe, and during procedure of ignition there are three different kinds of temperature distribution on the cross sections of heating pipe; the flow characteristics in the second stage makes for the mixing of gas phase, and the flame temperature is higher in the second stage.

详细地分析了燃烧器内部速度场、煤粉颗粒浓度场和温度场，结果表明：在燃烧器的第一级，其流动特征及煤粉颗粒浓度分布有利于加热管道对煤粉颗粒的点燃，点燃过程中加热管道的截面上有三种不同的温度分布；燃烧器第二级内部流动特征有利于气流的混合，第二级的火焰温度比第一级更高。

The parameters of pulse combustor such asfrequency,length of feed tube drying tube effecting on drying property were analyzed.It ispropitious to dry high surface-water containing,small granule or liquid materials.

分析了脉动燃烧器频率、热负荷、干燥管长等参数对干燥性能的影响；发现脉动燃烧器尾管内干燥更适合于含表面水高的小颗粒物料或液体物料，可充分利用脉动气流和声波能的作用，使物料分散雾化，增大表面积，提高干燥效率；研究了脉动燃烧器尾管内干燥颗粒物料的传热特性，并将试验结果与其它类型的干燥器进行了比较。

Since its inception in 1927, Forney has expanded its product line to include igniters, burners, burner management systems, flame detectors, duct burners and CEMS.

自成立以来于1927年， Forney 已扩大其产品线，包括点火器，燃烧器，燃烧器点火变压器管理系统，火焰探测器，管燃烧器和烟气排放连续监测系统。

Since its inception in 1927, Forney has expanded its product line to include igniters, burners, burner management systems, flame detectors, duct burners and CEMS.

自成立以来于1927年， Forney 已扩大其产品线，包括点火器，燃烧器，燃烧器管理系统，火焰探测器，管燃烧器和烟气排放连续监测系统。1927 Forney

However, due to the specificity of combustion in a W-shaped boiler the adoption of the swirl burner can bring about some new features to the design and operation of the boiler.

采用旋流燃烧器，可以强化燃烧器出口煤粉气流的着火，配合采用燃烧器内部分级燃烧方式后，也有利于降低污染气体的排放。

Results show that a combustion technique by increasing upper half counter offsetting auxiliary airs progressively and biasing superheater division panels can eliminate gas imbalance and heat deviation , decrease slagging on furnace and reduce NOx emission effectively.

某300MW 逆时针切向布置燃烧器锅炉在不同二次风反切方式下分隔屏向左偏置一定角度时，炉膛、烟道气流流动特性模型试验和数值模拟的研究结果表明：燃烧器上半部分二次风递增反切分隔屏偏置一定角度的燃烧技术能显著改善烟道偏流现象，可防止过大热偏差引起高温对流受热面超温、爆管，同时能降低炉内燃烧器区域结渣程度、减少NOx 生成，且改造方便、效果明显。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。