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首页> 外文期刊>Journal of Engineering for Gas Turbines and Power >Analytical Study of the Effects of the Clogging of a Mechanical Precipitator Unit in Air Preheaters in a High-Performance Thermoelectric Power Plant Based on Available Data
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Analytical Study of the Effects of the Clogging of a Mechanical Precipitator Unit in Air Preheaters in a High-Performance Thermoelectric Power Plant Based on Available Data

机译：基于可用数据的高性能热电厂空气预热器中机械除尘器堵塞的影响的分析研究

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摘要

Following a detailed study of two of the mechanical precipitators in the air preheaters of a thermoelectric power plant, a large amount of ash that was deposited on one of the inlet conduits was observed, obstructing the incoming gas flow. A comparison of the available data for the two most recent hopper cleaning operations revealed that, on the one hand, the amount of ash collected by the clogged precipitator (A) was significantly less than that collected by the other (B) and, on the other hand, the temperature of the ash in the former was noticeably lower than in the latter. Prior to the cleaning of the conduits, a certain amount of damage was caused to the boiler dome, which meant that subsequent cleaning required the use of a hydrolazer, where it was noted that inlet pressures were very high. All of this indicated that the cause of the clogging was not physical. This paper provides a comprehensive analytical analysis that explains what happened, as well as resolving the situation.
机译：在对火力发电厂的空气预热器中的两个机械除尘器进行了详细研究之后，观察到大量灰烬沉积在一个入口导管上，从而阻碍了进入的气流。对最近两次料斗清洁操作的可用数据进行的比较表明，一方面，堵塞的除尘器（A）收集的灰分量明显少于另一种（B）收集的灰分，并且，另一方面，前者的灰分温度明显低于后者。在清洗导管之前，会对锅炉圆顶造成一定程度的损坏，这意味着随后的清洗需要使用加氢处理机，在该处要注意入口压力非常高。所有这些表明堵塞的原因不是物理原因。本文提供了全面的分析分析，解释了发生的情况以及解决情况。

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