查询词典 flue gas

The direct emissions of wet desulphurized flue gas will cause flue pipe and chimney corrosion and so on a series of questions, therefore the wet desulphurized flue gas should be reheated.

实际工程中应用最多的脱硫烟气再加热型式为间接加热法，但传热效率较低，导致成本很高，因此，探索新的高效低成本加热技术就非常重要。

The device for separating and recovering the carbon dioxide from the flue gas by dry process consists of a powder grinding device, a powder feeding device, a fluidized bed, a cyclone separator and a regeneration device, wherein, a flue gas inlet is arranged at the bottom of the fluidized bed, the powder grinding device is communicated with the lower part of the fluidized bed by the powder feeding device, the upper part of the fluidized bed is communicated with the upper part of the cyclone separator by a pipe I, the top of the cyclone separator is provided with an outlet pipe for the flue gas containing low-concentration carbon dioxide, the bottom of the cyclone separator is communicated with the upper part of the regeneration device by a pipe II, the bottom of the regeneration device is communicated with the bottom of the fluidized bed by a pipe III, and the top of the regeneration device is provided with an outlet pipe for the flue gas containing high-concentration carbon dioxide.

本发明提供一种干法分离和回收烟气中二氧化碳的装置和方法，无需分离前对烟气进行降温，而直接在高温下进行二氧化碳的吸收分离，从而避免降温过程中的能量损失；器中干法分离和回收烟气中二氧化碳的装置，由磨粉装置、给粉装置、流化床、旋风分离器和再生装置组成，所述流化床底部有烟气入口，所述磨粉装置通过给粉装置与流化床下部连通，流化床的上部通过管道I与旋风分离器的上部相连通，旋风分离器的顶部有低二氧化碳浓度烟气出口管道，旋风分离器底部经过管道II与再生装置的上部连通，再生装置的底部通过管道III与流化床的底部相连通，再生装置顶部设有高浓度二氧化碳烟气出口管道。

The text analysed the characteristic of the wet desulfurated flue gas on the base of the research of grand old man, educed the connection and protracted the curve between the temperature and humidity of wet flue gas in the condition of being saturated. The characteristic of the wet desulfurated flue gas is analysed thoroughly according to the curve.

本文在前人研究的基础上，分析了湿法烟气脱硫之后的湿烟气的特性，推导得出湿烟气温度与湿烟气饱和含湿量之间存在着一一对应的关系，并据此绘制了饱和状态下烟气含湿量与烟气温度之间的关系曲线。

The invention discloses a measuring method for firing conclusion and gas flow rate in the process of liquid, gas fuel firing, which comprises the following steps: positing three points on fuel transmission pipe, air pipe and gas pipe, setting regular measuring device or sampling device, measuring the flue's element and flow rate of point 1, air element of point 2, and gas element of point 3, inputting the data of three points into computing unit, computing air flow rate Mair, gas flow rate Mgas and firing conclusionηB by the element of air, flue, and gas and flue flow rate Mburn.

本发明公开了一种液体、气体燃料燃烧过程中燃烧完全度和燃气流量的确定方法，步骤为：在燃料输送管道、空气管道和烟气管道上分别设置三测点，并安装常规的测量装置或取样装置；分别测量测点1的燃料成分和流量；测点2的空气成分；测点3的燃气成分；将三测点的测量数据输入计算单元；根据空气、燃料和燃气的成分以及燃料流量M burn ，计算空气流量M air 、燃气流量M gas 和燃烧完全度η B 。

Thereafter, some research work about the effect of additive percentage of pH value buffer solution and oxygen concentration in flue gas on this system of flue gas desulfurization with pyrolusite pulp in a single JBR was carried out, and it was illustrated that the optimized additive percentage of pH value buffer was 30% and 10% when oxygen concentration in flue gas is 21% and 7% respectively.

针对这一问题，通过实验在JBR反应器中考察了pH值缓冲剂添加比例和烟气氧含量对软锰矿浆烟气脱硫体系的影响，确定烟气氧含量为21%时pH值缓冲剂的最佳添加比例为30%，烟气氧含量为7%时pH缓冲剂的最佳添加比例为10%。

Igneous electricity flue gas takes off saltpetre system whether achieve take off saltpetre rate and low ammonia gas high to escape rate, depend on greatly the flue gas is medium nitrogen oxide before entering saltpetre reactor and reducer ammonia gas blend even degree and flue gas speed to distributing.

梗概： 火电烟气脱硝系统能否达到高脱硝率和低氨气逃逸率，很大程度上取决于进入脱硝反应器之前烟气中的氮氧化物和还原剂氨气混合均匀程度和烟气速度分布。

Based on the analysis of the experimental results of flue gas temperature distribution in horizontal flue in a 300MW pulverized coal tangentially fired boiler at variable load, the characteristics of the flue gas temperature distribution in horizontal flue of this boiler at variable load are summarized in this paper.

通过对某 3 0 0 MW四角布置切圆燃烧锅炉在变负荷工况下水平烟道内烟温分布的现场试验结果的分析，指出了四角布置切圆燃烧锅炉水平烟道内烟温分布的特点及其随负荷变化的规律。

Through the flue gas and air characteristic analysis in supercharged boiler,the results showed that the value of parameters would increase with the increase of fuel consumption.And volume heat load of the furnace, fuel consumption, heat change between flue gas and convective heating surface and evaporation value would increase with the increase of compression ratio.The heat calculation would be different because of dissimilar thermal calculation in the turbo-compressor when the boiler load was changed.As the boiler load increased,heat loss in the turbo-compressor would increase and the efficiency of the boiler would decrease.The results of the boiler start-up simulation showed that the time of start-up would decrease with the increase of flue consumption ,but instantaneous pressure amplitude would increase.Steam water"s dymamic diversification would be more complex than flue gas"s,and dynamic characters of their parameters would be changed due to different boiler load and disturbance variable,which was shown by results of the simulation when boiler load was changed.

通过分析增压锅炉内的空气、烟气参数特性，发现随着锅炉负荷的增加，空气和烟气的各项参数值都相应的增加；炉膛容积热负荷、锅炉的燃料负荷随着增压比的提高成比例增加；随着增压比的增大，烟气与对流受热面的换热增加，蒸发量随之增加；由于涡轮增压机组在不同负荷下的热力计算不同而造成增压锅炉在不同负荷下的热平衡计算的不同；锅炉增压机组的总的热损失随着锅炉负荷的增加而增加，而增压锅炉的热效率随着锅炉负荷的增加而减少；锅炉启动模拟仿真结果中发现，锅炉启动时燃料量增加，锅炉的启动时间就会减少，但是瞬时升压速度会增加；而动态负荷变化模拟仿真结果中发现，锅炉汽水侧的变化相比烟气侧更为复杂，且在不同负荷和不同扰动量下，烟气侧和汽水侧的重要参数动态特性是不同的。

Adsorption and removal tests of SO2 in simulated industrial flue gas were done with polyacrylonitrile activated carbon fiber in the fluidized state. Some influencing factors such as the flux and temperature of flue gas, mass concentration of SO2 and volume fraction of vapor in flue gas, recycle ratio of ACF, and mass flux of new ACF on the desulfuration efficiency of PAN-ACF were investigated.

应用流化状态下的聚丙烯腈基活性碳纤维对模拟的工业烟气中的SO2进行吸附脱除实验，通过改变烟气流量、烟气温度、烟气中水蒸气的体积分数及SO2的质量浓度、ACF的循环比及新加入ACF的质量流量，研究了流化状态下ACF脱除SO2效率的影响因素与变化规律。

Wet stack emission will reduce the lifting height of the flue gas, and it's not beneficial to gas diffusion; the momentum of the flue gas should be guaranteed to decrease the plume downwash and to promote gas diffusion; each of the emission index of the wet flue gas can meet the requirements for the environmental protection.

数值计算与分析表明，湿烟囱排放会增强对烟囱的腐蚀性，需采用特殊的防腐处理；湿烟囱直接排放会降低烟气抬升高度，不利于扩散；为减少烟流下洗，增强扩散，应保证烟气的出口动量；湿烟气各项排放指标能满足环保要求。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。