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    鍋爐除塵器性能怎么樣

    作者: admin 時間:2017-12-18

    為了分析或推算鍋爐除塵器廠家除塵器布袋的捕集性能,需要知道作用在粉塵顆粒上捕集力的形式、大小和方向,包括粉塵顆粒在運動方向上運動要克服的氣流摩擦阻力。
     
    In order to analyze or calculate the trapping performance of precipitator bag in a boiler precipitator, we need to know the form, size and direction of the trapping force acting on the dust particles, including the airflow frictional resistance to overcome the movement of dust particles in the direction of movement.
     
    與此同時,還要知道運載粉塵顆粒的流體特性和運動方程,以便建立粉塵顆粒的運動方程。
     
    At the same time, we should also know the fluid characteristics and motion equations of carrying dust particles in order to establish the motion equations of dust particles.
     
    進而求解出粉塵顆粒的捕集速度和粉塵顆粒的運動軌跡。根據第二章對流場中粉塵顆粒的受力分析,已經建立起了粉塵顆粒的運動方程。
     
    Then the capture velocity of dust particles and the trajectory of dust particles are solved. According to the second chapter of the force analysis of dust particles in the flow field, the motion equation of dust particles has been established.
    鍋爐除塵器
    考慮到各種形式的作用力對粉塵顆粒運動所作貢獻的不一樣,特進行如下基本假設。
     
    In view of the different contributions of various forms of force to dust particle motion, the following basic assumptions are made.
     
    由于,則可以忽略粉塵顆粒受到的浮力的作用。粉塵顆粒相對于流體的加速度不是很高,故不考慮虛擬質量力。
     
    As a result, the effect of the buoyancy of dust particles can be ignored. The acceleration of dust particles relative to the fluid is not very high, so the virtual mass force is not considered.
     
    忽略熱流力的作用,只有當流場內存在巨大的溫度梯度場時,熱流力tFr的作用才比較重要。本鍋爐除塵器廠家除塵器布袋是在常溫下運行,可以認為溫度場是均勻的。
     
    Neglecting the effect of heat flow, the effect of heat flow force tFr is more important only when the flow field is in a large temperature gradient field. The dust collector bag of the dust collector of the boiler is operated at normal temperature, and it can be considered that the temperature field is uniform.

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