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锅炉除尘器的除尘效率分析

作者: admin 时间:2018-01-25 来源:未知

鉴于层流时,锅炉除尘器除尘布袋的除尘效率很低,所以在随后的锅炉除尘器除尘布袋性能计算中,均要保证锅炉除尘器除尘布袋孔板中的流场处于紊流状态。
 
In view of laminar flow, the dedusting efficiency of the boiler dedusting cloth bag is very low. Therefore, in the subsequent calculation of the dust bag and dust bag performance of the boiler, we must ensure that the flow field of the duster dust bag Kong Banzhong of the boiler is in a turbulent state.
 
近似利用圆管内流态的判定准则,即只讨论锅炉除尘器除尘布袋入口速度大于/5sm 时的锅炉除尘器除尘布袋性能。
 
The performance of the dust collector in the boiler dust collector is discussed only by using the criterion for determining the flow state in a circular tube, that is to discuss only the dust collector of the boiler dust collector when the inlet velocity of the dust collector is greater than /5sm.
 
锅炉除尘器除尘布袋挡板是用来捕集粉尘的,两挡板之间是涡流的形成区域,正是由于涡流的作用,才使进入涡流区的粉尘粒子被挡板表面即捕集表面捕获。
 
The dust bag bag baffle of boiler dust collector is used to collect dust. The area between two baffles is the formation area of eddy. It is because of the action of vortex that the dust particles entering the eddy zone are captured by the surface of the baffle.
锅炉除尘器
 
相邻两挡板之间的间距与孔径比某个数值对涡流的影响是很显然的,某个数值过大或过小都不利于对粉尘颗粒的捕获。
 
The influence of the distance between two adjacent baffles and the hole diameter on a certain value is obvious. A large or too small value is not conducive to the capture of dust particles.
 
锅炉除尘器除尘布袋某个数值过大,涡流强度不够,不足以使足够数量的粉尘颗粒被卷入涡流区。
 
The dust collector of the boiler dust collector is too large, and the eddy intensity is not enough. It is not enough to get enough dust particles into the eddy current area.
 
某个数值过小,涡流的形成不够充分,粉尘颗粒还未来得及进入涡流区就可能被主流带走。正是由于恰到好处的某个数值,才使得含尘气流在一级一级的涡流作用下,如同接力赛一般,将锅炉除尘器气流中的粉尘颗粒逐步“清除”。
 
A certain number is too small, the formation of the eddy is not enough, and the dust particles may be taken away by the mainstream when the dust particles have not yet come into the vortex zone. It is precisely because of a numerical value that makes the dust laden airflow swirling at the first stage and the first stage, and gradually clears up the dust particles in the airstream, just like relay races.

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