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03
2023
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01
Bag filter supplier: Brief introduction to bag filter related knowledge
Author：
Bag filter supplier Indicates, During the operation of the baghouse dust collector, it is caused by the pressure difference between the two sides of the gas flow path in the equipment. The gas flows from the high-pressure end to the low-pressure end. Due to the change in cross-sectional area and the change in total flow rate, the gas pressure in the pipeline and the negative pressure are mutually converted. Due to the appearance of pipeline resistance, the gas pressure continues to decrease during the flow process. Analyzing the distribution of pressure in the pipeline can help us better understand the specific situation of gas flow in the pipeline.
In the construction of the ash removal system, it is described using the gas pressure for comparison, taking the atmospheric pressure as 0. That is, taking the atmospheric pressure as the basis, those less than atmospheric pressure are negative, and those exceeding atmospheric pressure are positive. What is the representation method of the gas pressure distribution diagram? Draw a straight line under the equipment cylinder diagram as a reference point, with positive numbers marked above and negative numbers marked below.
Organic chemical corrosion-If your fabric filter bags have deteriorated along the entire length of the bag, the problem is most likely due to exposure to acids or alkalis outside the acceptable range for the filter material. Gas/dust pH is one of the variables to consider when specifying better filter materials and fabric construction for your application. There may be visible stains, watermarks, and discoloration on the failed bags.
1. Heat
If your bags have been scorched or melted during previous normal operation, heat will accumulate in the hopper, resulting in a sharp increase in operating temperature. The dust collector bag in the figure is damaged due to overheating of the cylinder.
2. Damage
Bag filter supplier indicates, In a single pulse bag, a damaged cage wire will quickly tear a hole in the dust collector bag. If the bottom 6 inches of the bag is a point of wear failure, other cages may be rubbing against it. Dust collector bags with wear strips or anti-abrasion sleeves will double the amount of fabric that will fail, increasing the life of the dust collector bag.
If the dust contains crystalline particles, it is crucial to prevent over-cleaning. Each time the filter operates on a clean bag, smaller abrasive particles will pass directly through the fabric and tear small holes as they move. Leaving a decent mud cake after each pulse allows these fine sharp particles to be embedded in the mud cake, preventing the dust collector bag from failing prematurely.
3. Engineering burst bag
Bag filter supplier indicates, Fabric bursting under the sleeve or at the bottom of the disc indicates high bag cleaning intensity. Many facilities replace a portion of the bag filter at a time to save on maintenance costs. I do recommend replacing bags that fail prematurely, but replacing only half the collectors forces the clean bags to do double duty until they are as worn as the old ones. Under vacuum conditions, the gas/air will enter the new clean bag along the path of least resistance. It will also continue to pass through the older bags, favoring the more permeable new bag until the load balance of particles embedded in the filter media of each new or old bag has been re-established and equal airflow re-established.
The company mainly produces various dust removal, desulfurization, denitrification, VOCs waste gas purification, wastewater treatment, noise reduction, complete sets of industrial electrical control systems and equipment, and researches and develops waste gas, wastewater, waste residue, and noise treatment equipment.
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