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21
2022
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Bag filter supplier: What should be paid attention to in the ash removal system of the baghouse dust collector?
Author：
Bag filter supplier Indicates, Bag dust collectors are divided into three types according to different dust removal methods: foot-operated, pulse-type, and manual. In fact, there are also some other forms of dust removal, such as magnetic vibration and ultrasonic frequency assisted vibration. Regardless of the type of dust removal equipment used, the dust removal effect and the principles to be adhered to are the same. That is, as the dust accumulation in the dust removal bag increases, and the pressure difference between the front and rear of the dust removal bag increases to a certain value, the dust removal bag must be cleaned to restore it to a more ideal clean state. Two points are worth noting:
1. Dust removal should not be too frequent or too strong. A layer of filter layer should be stored on the surface of the dust removal bag (do not remove the filter layer that has already been collected on the filter material). This should be considered when designing the dust removal strength (including dust removal frequency).
2. The pressure difference setting point for dust removal bags that must be cleaned should be set effectively according to the application of the dust removal bag. The pressure difference setting point should not be set too high, otherwise, fine dust particles will be embedded too deep into the dust removal bag in a short operating time, affecting the service life of the dust removal bag. In the later stages of the service life of the dust removal bag, because more fine dust particles have been embedded in the dust removal bag, the frequency of dust removal will increase.
Bag filter supplier indicates, With the rapid development of science and technology, dust removal control now uses PLC system control. In essence, the ideal dust removal process is that dust removal begins when the pressure difference between the front and rear of each dust removal bag exceeds the preset value, and ends when the pressure difference drops to a preset value.
However, it is impossible to measure the pressure difference of each dust removal bag in practice. Therefore, the general dust removal process is designed based on the pressure difference between each filter module and the duration of the pressure difference change. Under normal circumstances, the dust removal system will automatically perform dust removal (“timed dust removal” or “uniform dust removal”) according to the measured parameters and the pre-set dust removal procedures.
If necessary (e.g., measurement component failure, abnormal operating conditions, etc.), manual operation can be switched to perform dust removal. Of course, the PLC control cabinet has audio-visual alarm functions. When abnormal conditions are detected, it will promptly issue an alarm, reminding the operator to pay attention and take emergency measures.
Bag filter supplier indicates, Different types of dust removal methods have different dust removal characteristics, and of course, the structure is significantly different. Even bag dust collectors with the same dust removal method, due to different manufacturers having different technical patents, the structure is also different. Therefore, here, it is only possible to briefly introduce several types of bag dust collector dust control, combined with the structure.
These are several aspects that need to be considered during the use of bag dust collectors. I believe that after reading this, everyone will no longer worry about it.
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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