Bag filter selection factors

16Dec

Bag filter selection factors

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Bag filter selection factors

  1. Baghouse operating temperature
    Baghouse selection should be based on its operating temperature. Baghouse operating temperature level, depending on the filter baghouse operating temperature and dew point temperature of the gas to be treated. Baghouse currently used glass fiber filter bags highest heat resistance up to 280 ℃, once the temperature exceeds this level, it is necessary to cool the process gas before entering the baghouse. Baghouse dust removal efficiency in daily work, and its operating temperature, and no significant correlation, so long as the bag filter selection to meet the basic requirements to operating temperature.
  2. Air volume baghouse
    In the selection of the most important parameters of the bag filter is its treatment capacity. Bag filter air volume represents it in unit time to filter the amount of purge gas volume, which is the baghouse efficiency. In the bag filter air volume parameter of choice, according to the design of the air volume level. In the case of bag filters should not exceed the rated flow rate is running, otherwise it will cause increased risk of clogging of the filter bags, filter press loss amplitude increases, reduce life expectancy and reduce the collection efficiency. Bag filter air volume should not be too large, otherwise it will increase investment, resulting in waste.
  3. Entrances baghouse dust concentration
    Baghouse inlet dust concentration is generated by the process dust and gas decisions, bag filter selection should be selected according to the amount of dust in the measured data. Export baghouse dust content refers to the concentration of dust emissions from the process gas after the dust content of the level of exports to be determined in accordance with the provisions of the environmental protection department or user requirements.

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