涂装废气焚烧炉烟气余热利用的改善

针对某汽车涂装车间使用废气焚烧炉的实际情况,制定了烟气余热利用的改进方案,从节能效益和减排效益两个方面论证了方案的可行性及优越性。     

管式布风装置对流化床焚烧炉内流化特性的影响

数值模拟了管式布风装置对流化床内气体和颗粒流动特性的影响，获得了床内气体和颗粒瞬时和时均速度及颗粒体积份额分布. 计算结果表明，床内颗粒宏观流动呈现床中心区域为上升流动、壁面区域为下降流动的内循环流动. 分析了风管小孔风速和颗粒直径对床内流化的影响. 计算结果表明，保证床内颗粒和气体良好流化和混合特性的最佳布风管相对距离应在1.5~1.75之间.     

农村简易垃圾焚烧炉周边土壤二恶英分布研究

为了解农村简易生活垃圾焚烧炉排放废气中二恶英对周边地区的环境影响,对焚烧炉周边6个环境土壤及焚烧炉排放的飞灰和灰渣中二恶英的分布规律进行了研究.检测结果显示,焚烧炉周边环境土壤样品中二恶英国际毒性当量在2.29～9.45 ng/kg(干基)之间,高于背景值(0.537 I TEQ ng/kg).而焚烧炉排放的飞灰及灰渣中二恶英国际毒性当量分别为3 454和32.2 ng/kg.利用主成分分析方法,发现环境土壤中的二恶英来源较为复杂,焚烧炉污染物排放不是土壤中二恶英的唯一来源.     

金属材料高温氯腐蚀现象分析

综述了金属材料在高温氯中的腐蚀异常现象,并对这些现象按电化学腐蚀机理进行了分析.电化学腐蚀机理的主要论点是:当温度不太高时氯化物熔融盐膜作为电解质可以稳定存在,腐蚀以吸氧腐蚀为主,熔盐中溶解的氧直接腐蚀金属.     

焚烧炉烟气中铅、锌、苯并(a)芘的测定

建立了用电感耦合等离子体光谱法(ICP-AES)和高效液相色谱法(HPLC)分别测定焚烧炉烟气中铅(Pb)、锌(Zn)和苯并(a)芘(BaP)的分析方法。研究了烟尘及玻璃纤维滤筒的预处理，测定Pb、Zn、BaP时基体的干扰与消除，并给出Pb、Zn的干扰校正系数。实验测得Pb、Zn和BaP的回收率超过84％，相对标准偏差Pb为3．51％，Zn为7．28%，BaP为4．30％。实验结果表明，该分析方法可以满足焚烧炉运行中的监测需要．     

Dynamic behavior of a distributed incinerator power system under output power variation

In Taiwan, the sales revenues of power generation from incinerator power plants with heat recovery power generation sold to the power company were up to NT$4.5bn, making the incinerator power generation play an important role in reduction of impact on environment and substitution of energy in power generation. Studying the dynamic behavior of incinerator power systems under output power variation is thus an essential task for the scheduling, operation, and expansion of incinerator power plants, such as, for cooperating with a scheduling program based on pricing signals to capture energy trading timing economically and to operate the incinerator power system securely. Although there are many studies on incinerator power generation, they seldom discuss the power generation system characteristics. In this paper, mathematical dynamic models for a distributed incinerator power system were derived and implemented using Matlab/Simulink, and dynamic characteristics of the system were further simulated and discussed under two operating modes: increment and decrement of power generation. These developed models can provide dynamic characteristics for these two modes, serving as an important analytic tool for cooperating with a scheduling program based on pricing signals to capture energy trading timing economically and to operate the incinerator power system securely. Copyright © 2014 John Wiley & Sons, Ltd.     

Application of electrostatic precipitator in collection of smoke particles from hospital wastes combustion

The paper reports the development and implementation of a cost-effective electrostatic precipitator (ESP) prototype for the medical wastes incinerator of university hospital centre (CHU) of Sidi-Bel-Abbes, using a water washing system for cleaning electrodes. The impact of medical waste incineration on human health is a topical debate. The incineration process is a safe mode of disposal [OK] of such waste, but it is not an effective solution and needs a pollution control system. Generally, in Africa, cost is the major constraint for manufacturers and users. A half-scale ESP model was initially used for an experimental study in the laboratory. Thereafter, a full-scale model was produced and installed for the incinerator based on the optimal values obtained from this preliminary study.     

焦化装煤烟气焚烧炉改造实践

装煤烟气通常采用消烟除尘车处理，而传统消烟除尘车存在烟尘燃烧不完全问题，导致除尘效果差。本文介绍一种新型的地面燃烧方式，即装煤烟气焚烧炉。通过实践应用，装煤废气焚烧炉完全能达到环保要求。若能在焦化行业推广，将能成为一种新型实用的装煤烟气地面燃烧方式。     

城镇污泥干燥过程中胶粘性的研究

主要对污泥的干燥性质、污泥在干燥过程中所发生的胶粘性的变化作了机理性的研究,在此基础了提出了一些对污泥干燥过程中胶粘性的特点,并对如何解决和避免胶粘性提出了建议;针对污泥这种含水量大、粘性大的特殊物料的干燥,选用普通回转圆筒进行干燥,对干燥后物料、干燥过程粘性的变化等作了分析,并在此基础上了对设备进行了改造,使之能够解决和避免在回转圆筒干燥机中干燥污泥产生的胶粘性问题,主要的改造是在回转圆筒的进料端加上了自清理装置,以及横贯圆筒中心的打散装置,以此产生了新的回转圆筒设备——带自清理的打散回转圆筒干燥机,并且作了工业模拟试验。