查询词典 combustion furnace

According to the characteristic of mixture combustion of air and gas, it's said that combustion system adopts the technology of double-cross amplitude limitation and cascade proportional control, also designs the implementations of furnace pressure, wind pressure, gas pressure and regenerative combustion system in the article.

2根据空气和煤气混合燃烧的特点，提出了燃烧系统采用双交叉限幅串级比例控制技术，并设计了炉压、风压、煤气压力、蓄热式燃烧系统的实施方案。

Technology of coal of gush of blast furnace double gun solves blast furnace coal effectively to compare current velocity of the coal fines when rising fast, coal fines and sirocco mix inadequate, cause efficiency of combustion of blast furnace coal fines this technique still can reduce low problem; effectively remove dust the carbolic content in ash, energy-saving to the enterprise decrease platoon and clean production to having active sense.

高炉双枪喷煤技术能有效地解决高炉煤比提高时煤粉流速快，煤粉和热风混合不充分，致使高炉煤粉燃烧效率低等新问题；此项技术还能有效降低除尘灰中的碳含量，对企业节能减排和清洁生产有着积极意义。

A new desulfurization apprach for pulverized coal combustion is introduced in this paper; pulverized coal is first burn in a precombustion furnace under oxygen deficient condition (about 30% air needed in boiler is provided for precombustion), in precombustion moust of sulfur in coal is decomposed and oxidized, and evolved, the sulfur evolved is trapped in a desulfurizing fluidized bed by calsuim, and then the char and gas are introduced to the boiler furnace for complete combustion.

本文提出了一种煤粉燃烧脱硫新方案，利用煤中硫优先氧化分解释出的原理，用少量的空气（大略为锅炉实际空气用量的30％），在一前置燃烧室中，使煤粉中硫的绝大部分被分解氧化，释放出来，释放出来的硫在脱硫流化床中被石灰脱硫剂脱除，未燃烧的炭粒与烟气再吹进锅炉膛中完全燃烧。

The feature of the shaft furnace-iron bath smelter charging carbon-bearing pellets is that partial off-gas of shaft furnace is mixed with gas from smelter and then put into shaft for preheating and pre-reduction. The optimum operational parameter is at the point of prereduction degree of 52% and post-combustion degree of 32% where the coal consumption is 750kg/tone-hot metal and oxygen consumption is 420Nm〓/tone-hot metal.(5) The systematic simulation of rotary hearth furnace-iron bath smeter is firstly formulated.

4本文建立的含碳球团竖炉—铁浴工艺流程模型的特点之一是竖炉炉顶出口煤气的一部分与铁浴煤气混合后，重新进入竖炉，本文报道的对系统部分出口物流返回反应器的非序贯式流程进行的系统模拟，为今后类似问题的模拟提供了参考，本工艺的最低消耗点的操作条件是：预还原度52％，二次燃烧率32％，这时的最低煤耗为750kg／tFe（中挥发份煤VM=19％），氧耗约420Nm〓／tFe，对应于预还原度30～70％的优化组合的二次燃烧率为32～13％。

So the possibility of the powder quantity excessing the furnace's limitation pressure must be noticed . In conclusion, compared with combusting biomass in the initial condition, the method of combustion biomass in powder by the circumfluence furnace can greatly improve the combustion properties and effiency.

与传统的直接燃烧未破碎的生物质相比，粉体在回流式燃烧炉中燃烧的方式改变了破碎前生物质以固相燃烧为主的性状，极大地提高了生物质的燃烧效率和能源品位。

The NOx release characteristic of the single coal and blended coals during combustion is studied with tube furnace and one-dimension combustion experiment system, and the coal characteristic and combustion condition which have influence on the NOx emission in the process of pulverized-coal combustion are studied in this paper.

燃烧温度和燃烧区域的气氛对于NOx的生成有很大的影响。保证煤粉稳定燃烧时的最低的O2浓度就是煤粉低NOx燃烧的最佳O2浓度。

Finally, we study on the characteristics of coal combustion and NOX formation of W-shaped furnace. It is a newly developed low pollutant emission and high performance combustion technology. We hope our conclusions may be helpful on the design and operation of the W-shaped furnace.

最后，对国内外正日益广泛采用的另一种低污染高效燃烧技术—W炉燃烧的煤粉燃烧特性和污染物排放也进行了较深入的研究，所得到的结论希望可以对W型锅炉性能的设计、运行有所参考。

In retrofitting the burners, primary air was concentrated, the distance between primary air and secondary air was enlarged, oil gun was raised, tertiary air was changed to self-induced way which is advantageous for combustion and the furnace was covered with adiabatic materials. The purposes of taking these measures are to raise the furnace temperature and improve the ignition and combustion of anthracite.

对燃烧器的改造，采取了一次风进一步集中，将一二次风之间的距离拉开、油枪位置上提、三次风改为更利于燃烧的自引式、炉膛中增敷了卫燃带等技术措施，提高了炉膛的温度水平，更利于无烟煤的着火、燃烧。

In this dissertation, at first, the history and present situation of the research related to overheating is reviewed, and then the research works are carried out in following aspects the calculation of radiative properties of coal combustion, the solution of radiative transfer equation in absorbing-scattering media, the analyses of combined heat transfer processes in flue side, the computation method of steam temperature deviation of superheaters and reheaters and the inversion method of their wall metallic temperature in furnace, the numerical simulation of gas-solid two-phase flow, combustion and heat transfer in furnace, the measurement of outlet steam temperature of superheaters and reheaters, engineering reformation of overheating and optimum design of superheaters and reheaters, etc.

本文在综述了与过热器和再热器超温问题有关的研究历史与现状的基础上，在煤粉燃烧产物辐射特性的计算、含散射问题的辐射传递方程的求解、过热器和再热器烟气侧对流与辐射复合换热及汽温偏差的计算和炉内金属壁温的反演、炉内气固两相流动、燃烧、传热过程的数值模拟、过热器再热器炉外出口汽温的测量、过热器再热器超温问题的工程改造及设备的优化设计等方面进行了研究。

The article starts with the principle of pulse combustion heating furnace, on the basis of mastering the theory of pulse combustion, do research on the basic structure and principle and provide zero-dimensional thermal model of heating furnace system.

本文从脉动燃烧加热炉工作原理入手，在掌握脉动燃烧理论基础上，研究脉动燃烧加热炉基本结构和工作原理，给出加热炉系统零维热力模型。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。