chimney draft ; chimney draught,chimney ventilation

Discussion on some technical questions of stack anticorrosion in WFGD remodification;

湿法脱硫改造条件下烟囱防腐的若干技术问题

Technical analysis of a new-type stack on energy-saving,environment protection and anticorrosion;

新型烟囱节能、环保、防腐技术特征分析

To Detect Thallium in Soot in Stack with Flame Atomic Absorption Spectrometry;

火焰原子吸收光谱法测定烟囱烟灰中的铊

Scheme and management analysis on safety technology methods in construction of chimney body;

烟囱筒体施工专项安全技术措施的策划及管理

Pollutant-diffusion function produced by chimney and its height of temperature inversion;

烟囱和逆温高度对污染物扩散的作用

Study on Dust-collecting and Desulfurization by an Integr ated Technology at The Bottom of a Chimney;

在烟囱底段完成除尘脱硫一体化工艺研究

The chemical composition,acid=proof corrosion property,physical and welding performance of two materials used in wet stack anticorrosion are compared and analyzed.

对国内湿烟囱防腐中应用较多的材料的化学成分、耐酸腐蚀性能、物理性能、焊接性能进行了比较分析,认为从技术角度而言,镍基合金优于钛金属。

To probe into the feasibility of wet stack emission and related issues for flue gas wet emission, numerical simulation technique was adopted to analyze the flow field in the stack and out of the stack (without GGH).

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。

The basic principles to determine the chimney height of a power plant are meeting the demand of atmospheric diffusion and saving investment,ensuring the maximum ground concentration lower than the controlling goal of the enviromnent.

确定燃煤热电厂烟囱高度遵循的基本原则是既要满足大气污染的扩散稀释要求,又要考虑节省投资,保证地面最大落地浓度不超过环境控制目标。

By research for rational technique on the height of electricity factory chimney,the article pointed out the main effect factor of contamination falling thickness,and tested the rationality of different chimney height from weather and air influence aspect.

通过研究有关电厂烟囱高度合理性方法,指出影响污染物落地浓度的主要影响因素,并从气象和环境空气影响角度对不同高度烟囱合理性进行检验。

Has summarized a set of plan of chimney height rational proof,through rearching national standard,stipulation and method of rational-ity of the chimney height and analysing major effect factor of influencing the density pollutant falled to the ground and combinimg some examples of the chimney height rationality design.

通过研究有关烟囱高度合理性的国家标准、规定和方法,指出影响污染物落地浓度的主要影响因子,结合一些烟囱高度合理性设计的实例,总结出了一套论证烟囱高度合理性的方案,并从气象和环境空气影响角度对不同高度烟囱合理性进行了检验。

Experimental study on the generation mechanism of stack effect;

烟囱效应形成机理的实验

Study on a simple model for flame plume induced by stack effect in vertical shaft;

垂直竖井中烟囱效应诱导火羽流结构的简化模型研究

Resultsindicate that the stack effect plays a deterministic role in smoke control when a fire occurs near the stairwell; under suchcircumstances, no mechanical smoke control is necessary.

采用FDS计算模拟了北京地铁某典型车站不同火灾情况下的三维烟气流场,结果显示,当火灾发生在离出口楼梯间较近的站厅时,烟囱效应对烟气控制起决定性的作用,并且此时不需要机械排烟。