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电厂锅炉
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  power boiler
The results obtained are tested for a semicommercial 8-MW power boiler.
      
Fouling and corrosion of bed nozzles in a bubbling fluidized-bed power boiler
      
An inspection of the floor in a bubbling fluidized-bed power boiler during a planned shutdown revealed significant corrosion of the type 310H stainless steel (UNS S31009) bed nozzles.
      
A new power boiler design based on an optimized CCS configuration can provide a major capital cost savings in construction of new coal-fired plants.
      
Dewatered sludge is then burned in the mill's hog fuel power boiler with dried bark.
      
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  power boilers
Review of corrosion resistant co-extruded tube development for power boilers
      
Bends made by various technologies, including radio frequency heating, are used in the fabrication and repair of power boilers.
      
A majority of its power boilers will reach the end of their useful life in the next 10-15 years.
      
As with carburetor equipped automobile engines, high carbon monoxide emissions are an indication of poor combustion on coal fired power boilers.
      
By exclusion, one can then conclude that the most promising technology for efficient mercury control on power boilers is the fabric filter.
      
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NO_x and SO_x can be removed simultaneously when electron beam process in series with dry FGD is used in the treatment of boiler combustion flue gases from coal-fired power plants with ammonium sulfate and ammonium nitrate obtained at the same time as by-products. The removal efficiency of NO_x/SO_x can be both as high as 90 per cent for high sulphur flue gases. High concentration of SO_2 can enhance the removal efficiency of MO_x90 per. cent NO_2 and 82 per cent SO_x can be removed in processing flue gas initially...

NO_x and SO_x can be removed simultaneously when electron beam process in series with dry FGD is used in the treatment of boiler combustion flue gases from coal-fired power plants with ammonium sulfate and ammonium nitrate obtained at the same time as by-products. The removal efficiency of NO_x/SO_x can be both as high as 90 per cent for high sulphur flue gases. High concentration of SO_2 can enhance the removal efficiency of MO_x90 per. cent NO_2 and 82 per cent SO_x can be removed in processing flue gas initially containing 2 500 ppm of SO_x. While processing flue gas initially, containing 400 ppm of SO_x, the removal efficiency of NO_x will drop to 55 per cent, Economic analysis, indicates that the capital investment for the electron beam process in series With dry FGD is estimated to be $ 261-268/kW and the operation costs approximately $ 10.5×10~(-3)/kWh ($ 0.038/MJ).

使用同干法烟道气脱硫(FGD)系统串联的电子束,处理燃煤电厂锅炉的燃烧烟道气,可同时脱除NO_x和SO_2,并可副产硫酸铵和硝酸铵化肥。对高硫燃料,其烟道气中NO_x和SO_x的脱除率可达90%。高的SO_2浓度,可提高NO_x脱除效果:初始SO_2含量为2500ppm的烟道气,NO_x和SO_2的脱除率分别为90%和82%;而初始SO_2含量为400ppm的烟道气,其NO_x的脱除率减少至55%。经济分析表明,该法投资费用为261—268美元/千瓦,操作费用约为10.5×10~(-3)美元/千瓦小时(0.038美元/兆焦)。

For estimating the so_2 emission factor of coal in Shanghai region, this work combme with the sample-test and statisties methods, and made use of the "black-box" and the material-equihbrium principles to determine the SO_2 transfer factor of both industrial boiler and home-stove. The results were rather satisfactory. The results showed that the transfer factors for power boiler industrial boiler and hom-stowe were 0.948 0.925, and 0.595 respectively, the 1986's data were 21.31kg/t, 17.85kg/t and 11.54kg/t respectively....

For estimating the so_2 emission factor of coal in Shanghai region, this work combme with the sample-test and statisties methods, and made use of the "black-box" and the material-equihbrium principles to determine the SO_2 transfer factor of both industrial boiler and home-stove. The results were rather satisfactory. The results showed that the transfer factors for power boiler industrial boiler and hom-stowe were 0.948 0.925, and 0.595 respectively, the 1986's data were 21.31kg/t, 17.85kg/t and 11.54kg/t respectively.

利用统计学方法和样本实验方法,确定了二氧化硫的排放因子。应用“黑箱原理”和物料衡算原理,测定锅炉和家用炉的二氧化硫转化率。研究结果,电厂锅炉、工业锅炉和家用炉3种污染源的二氧化硫转化率分别为0.948、0.925、0.595。所得到的二氧化硫排放因子分别为21.31kg/t,17.85kg/t及11.54kg/t。

Power Plant boiler cleansing wastewater contains high concentration of citric accid and acetone oxime organic pollutants. By adopting dilution of original water and then treated with aerobic aeration activated carbon biomembrane method, secondary treatment, total removal rate of CODcr was up to 88%—90%, and BOD_5 90%. CODcr abd BOD_5 in the effluent were less than 100mg/l and 50mg/l respectively after secondary treatment.

电厂锅炉清洗废水中,含有高浓度的柠檬酸和丙酮肟等有机污染物。经试验,采取原水作适当稀释后,进行好氧曝气——活性炭生物膜法二级处理,COD_(Cr)总去除率可达88%—90%;BOD_5去除率为90%。经两级处理后的出水,COD_(Cr)<100mg/l,BOD_5<50mg/l,可达到较好的处理效果。

 
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