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  • There are several reasons why Longteng environmental protection's pulse bag dust collectors have exceeded their emissions standards.
    Release Date: 2019-12-13
    What are the reasons for Longteng Environmental Protection's pulse bag dust collector's emissions exceeding standards?
    a. Check if the dust bag is installed correctly. ,依靠缝制于滤袋口的弹性胀圈将滤袋嵌压在花板孔内,通过花板将中箱体尘气室与上箱体净气室严格区分。 The ordinary pulse bag dust collector relies on the elastic expansion ring sewn at the mouth of the filter bag to embed the filter bag in the hole of the flower plate, and the medium box dust room is strictly distinguished from the upper box clean room by the flower plate. If the elastic expansion ring at the mouth of the filter bag does not fit tightly with the hole of the flower plate, a gap will appear, which will cause the dust-containing airflow to directly enter the clean room and the outlet of the exhaust tube will ash. You can check the installation of the filter bag openings one by one, and find that the gaps must be tightly sealed. During the installation of the pulse bag type dust collector, the installation quality of the filter bag is one of the supervision and inspection. The ironmaking plant has improved and optimized the installation of the filter bag: a ferrule is welded above each hole of the flower plate, the height of the ring is 30mm and is concentric with the hole of the flower plate, and a single layer of elastic expansion sewn at the mouth of the filter bag The ring is installed close to the inner wall of the ferrule, which not only ensures the flat and sealed installation of the filter bag, but also makes the installation and removal of the filter bag simple and convenient.
    b. For dust collectors where the air inlet channel and the air outlet channel are separated by partitions only, the intermediate partitions must be checked for tight welding. If there are welds or gaps in the intermediate partition, high-concentration dust in the inlet air will enter the air outlet channel, causing ash at the outlet of the exhaust pipe. Ensuring the welding quality of the intermediate partition and separating the air inlet channel from the air outlet channel is another part of the quality inspection during the production and installation of the pulse bag filter.
    c. The newly installed clean dust collector bag of the pulse bag dust collector has large pores, and the dust passing rate is high at the beginning of use. It has not yet reached a good filtration state, and the dust emission is large. With the progress of filtration, dust accumulates on the outer surface of the filter bag to form a dust layer, which reduces the pores on the outer surface of the filter bag and improves the dust removal efficiency. The role of "dust filtering dust" can remove more than 99% of fine dust.
    d. The damage of the dust bag will cause the dust-containing air stream to be discharged directly, and the outlet of the exhaust pipe behind the dust collector will ash. For large-scale pulse bag dust collectors for off-line cleaning, you can use the following methods to determine the location of the broken bags: Manually clean the ash one by one compartment, close the air outlet valve of one compartment at a time, and pay attention to the outlet of the exhaust tube When the bag with a broken bag stops filtering, the outlet of the exhaust cylinder will no longer ash. Based on this, it can be determined which bag has broken bags. If only a few filter bags are damaged, seal the hole of the flower plate with an iron cover to ensure that the discharged dust concentration meets the standard. When it is necessary to change the filter bag, it is recommended that all the dust cloth bags of the same dust collector simultaneously ensure that each filter bag has the same resistance. If you can only change a few filter bags, you need to close the mouth of the new filter bag and bury it in the dedusting ash for a few days, increase the resistance of the new filter bag, and make the resistance of the new filter bag close to the old filter bag.

    Botou Longteng Environmental Protection will always uphold the fist heart of "repaying the country with technology", uphold the spirit of craftsmen, assume social responsibility, and build ecological civilization. The development of modern cities is inseparable from urban management methods. As a new type of environmental protection technology company, as always, we are committed to solving environmental pollution management and creating a living environment. Let technology shine, speak with facts, improve the environment, and change life. Your cooperation begins! 1lnt3a.cn/

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