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Analysis of the Causes of Failure of Bag Filter Bag

The bag filter is a dry dust filter. It is suitable for capturing fine, dry, non-fibrous dust. The filter bag is made of a woven filter cloth or a non-woven felt, and the dust-containing gas is filtered by the filtering action of the fiber fabric. When the dust-containing gas enters the bag filter, the dust with large particles and large particles settles down due to gravity and falls into the ash hopper; when the gas containing fine dust passes through the filter material, the dust is retained and the gas is obtained. Purification.

China's "Twelfth Five-Year Plan" puts forward higher demand for environmental protection. Water, gas, sound and slag will all be more applied to filter materials, and the market prospect of filter materials industry is promising. Among them, in the field of dust control, bag dust collectors are widely used at home and abroad due to high dust removal efficiency, no secondary pollution and easy recycling of dry materials, accounting for 80% of the dust removal equipment used. At present, China's bag dust removal technology has reached the international advanced level, can meet the increasing environmental protection requirements, and can create favorable conditions for the sustainable development of the national economy.

Although the bag filter has many advantages, once the filter bag fails, it will cause the device to discharge, the dust is exceeded, and the replacement of the filter bag is also a huge expense. It is especially important to recognize the failure of the filter bag and pay attention to it in order to avoid it. The following summarizes and analyzes the problem of filter bag failure that often occurs in the cement industry.

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