除尘器正压和负压区别在哪?

1、布袋除尘器负压除尘系统,

1. Bag filter negative pressure dust removal system,

除尘器设置在通风机之前,流过通风机的气体已经过除尘,含尘浓度较低,风机受磨损大大减低,运行寿命更长,处理初浓度高的含尘气体时,一般会采用负压除尘系统。

The dust collector is set before the ventilation fan, and the gas flowing through the ventilation fan has already been removed from the dust. The dust concentration is low, and the fan is greatly reduced in wear and tear, resulting in a longer operating life. When dealing with high initial concentration of dust containing gas, a negative pressure dust removal system is generally used.

主2除尘器负压除尘器3000元

除尘器和管道处于通风机的负压段,容易吸入空气,产生漏风。负压除尘系统的漏风率为百分5—百分10,在负压除尘系统设计中应采用措施尽可能减少除尘器和管道的漏风,以保证除尘器的良好运行。

The dust collector and pipeline are located in the negative pressure section of the ventilation fan, which can easily suck in air and cause air leakage. The leakage rate of the negative pressure dust removal system is 5-10%. In the design of the negative pressure dust removal system, measures should be taken to minimize the leakage of the dust collector and pipeline as much as possible to ensure the good operation of the dust collector.

布袋除尘器负压除尘.净化后的气体直接由除尘器排入大气,可不设烟筒;除尘器有一定的消声作用,风机出口侧也可设消声器;有利节约除尘系统占地和初投资。

Bag filter negative pressure dust removal. The purified gas is directly discharged into the atmosphere by the dust collector without a chimney; The dust collector has a certain noise reduction effect, and a silencer can also be installed on the outlet side of the fan; Beneficial for saving land and initial investment in dust removal systems.

2、布袋除尘器正压除尘系统,除尘器设置在通风机之后(正压段或压出段)。

2. The bag filter positive pressure dust removal system is installed after the ventilation fan (positive pressure section or pressure outlet section).

由于流过通风机的含尘气体未经除尘器净化,通风机的叶轮和机壳易遭粉尘磨损。因此,正压除尘系统只适于在气体含粉尘磨琢性弱、粉尘粒度小的条件下使用。,

Due to the dust containing gas flowing through the ventilation fan not being purified by the dust collector, the impeller and casing of the ventilation fan are prone to dust wear and tear. Therefore, the positive pressure dust removal system is only suitable for use under conditions where the gas contains weak dust grinding ability and small dust particle size.,

除尘器的维护结构简单,如正压袋式除尘器的维护结构需要密封,防雨.

The maintenance structure of the dust collector is simple, for example, the maintenance structure of the positive pressure bag filter needs to be sealed and rainproof

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