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(1) Protection of dust layer: The filtration of dust-laden gas mainly depends on the dust layer. The initial dust layer plays an important role than filter cloth. It greatly improves the dust removal efficiency, and isolates the smoke gas directly from the filter bag. , protect the filter bag. Therefore, protecting the primary dust layer can protect the filter bag from damage.
(2) Surface treatment of filter media: The filter bags adopt some surface post-treatment methods to cut off harmful components (including oxygen) in the flue gas and directly damage the filter media.
2. Reduce the oxygen content and the amount of compressed air The volume ratio of oxygen in the air is 21%, which is relatively high. Therefore, reducing this part of oxygen content is an important aspect.
(1) Use of dust-reducing gas sources with very low oxygen content: When PPS filter bags are cleaned with compressed nitrogen gas, the oxygen content in the flue gas will not only increase but may even decrease.
(2) High-pressure pulse cleaning: As the compressed air pressure is high, the flow velocity is large and the flow rate is small. If the “online†method is assisted, the compressed air consumption is much smaller.
(3) Reducing the number of injections: The pressure differential control method is generally more scientific than the timing control, which can reduce the number of pulse injections. Reducing the number of injections means that the amount of compressed air mixed in is reduced.
(4) Reducing the compressed air residence time: Using on-line cleaning, the compressed air residence time is less than 1 second, which can greatly reduce the reaction time, while the off-line mode can reach several minutes.
(5) Reduce air leakage rate: Improve manufacturing and installation quality and sealing effect, reduce air mixing
Botou Jinzhu Environmental Protection Equipment Co., Ltd. specializes in the design, manufacture and installation of bag dust collectors. It is a dust collector manufacturer in Hebei Province. If you want to purchase dust collector equipment, please contact us by email. At the same time, as a professional pulse bag filter production enterprise, we are willing to design dust collectors and answer dust collectors free of charge for users who need to buy and install dust collectors. Our contact information: Mobile 18731719567 Free national electricity
1. It is an effective means to establish and maintain the protective layer to cut smoke and direct contact with the filter bag.