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布袋除尘器设备设计应该满足哪些市场变化?

来源:http://www.yinyehuanbao.com     发布时间:2020-12-16   浏览次数:

1、风量单位用m3/min、m3/h表示,但一定要注意除尘器使用场所及烟气的温度。高温气体多含有大量水分,故风量不是按干空气而是按湿空气量表示的,其中水分则以体积分数表示。
1. The unit of air volume is expressed in m3 / min and m3 / h, but attention must be paid to the place where the dust collector is used and the temperature of flue gas. High temperature gas contains a lot of moisture, so the air volume is not expressed by dry air but by wet air, and moisture is expressed by volume fraction.
2、因为布袋除尘器的性能取决于湿空气的实际过滤风速,因此,如果布袋除尘器的处理温度已经确定,而气体的冷却又采取稀释法时,那么这种温度下的布袋除尘器的处理风量,还要加算稀释空气量。在求算所需过滤面积时,其滤速即实际过滤速度。
2. Because the performance of the bag filter depends on the actual filtration wind speed of the wet air, if the treatment temperature of the bag filter has been determined, and the dilution method is adopted for the cooling of the gas, the amount of dilution air should be added to the treatment air volume of the bag filter at this temperature. When calculating the required filtration area, the filtration velocity is the actual filtration velocity.
布袋除尘器设备
Bag filter equipment
3、为适应尘源变化,除尘器设计中需要在正常风量之上加若干备用量时,可按风量设计布袋除尘器。如果布袋除尘器在超过规定的处理风量和过滤风速条件下运转,其压力损失将大幅增加,滤布可能堵塞,除尘效率也要降低,甚至能成为其他故障频率急剧上升的原因。但是,如果将备用量过大,则会增加布袋除尘器的投资费用的运转费用。
VOC治理设备
3. In order to adapt to the change of dust source, the bag filter can be designed according to the maximum air volume when several reserve quantities are added to the normal air volume in the dust collector design. If the bag filter operates in excess of the specified treatment air volume and filtering wind speed, its pressure loss will increase greatly, the filter cloth may be blocked, the dust removal efficiency will also be reduced, and even become the reason for the sharp increase of other fault frequency. However, if the reserve is too large, the investment cost and operation cost of bag filter will be increased.
4、由于尘源温度发生变化,布袋除尘器的处理风量也随之变化。但不应以尘源误操作和偶尔出现的故障来推算风量值。
4. Due to the change of dust source temperature, the treatment air volume of bag filter also changes. However, the maximum value of air volume should not be calculated based on the misoperation of dust source and occasional fault.
5、处理风量一经确定,即可依据确定的过滤风速来决定所需的过滤面积。过滤速度因布袋除尘器的形式、滤布和种类和生产操作工艺的不同而有很大差异。
5. Once the treatment air volume is determined, the required filtering area can be determined according to the determined filtering wind speed. The filtering speed is greatly different due to the different types of bag filter, filter cloth and type, and production operation process.
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