Industry news

The pressure difference method is adopted in the dust collector to improve the s

Release date:2018-07-06 15:51:44
The size of the filter wind speed of the small boiler dust collector depends on the character of the dust gas, the category of the fabric and the nature of the dust, which is generally selected according to the data recommended by the sample of the dust removal equipment and the practical experience of the users. The filter wind speed of most air bag bag filter is between 0.6 and 13/m, the filter wind speed of the pulse bag filter is about 1.2 to 2m/s, and the filter wind speed of the glass fiber bag filter is about 0.5 ~ 0.8m/s.
There are many kinds of bag dust remover, so the selection and calculation are particularly important. Improper selection of equipment, such as too large equipment, will cause unnecessary flow fee; the selection of equipment will affect production, and it is difficult to meet the requirements of environmental protection.
Generally speaking, the basic technical parameters of the flue gas should be known before calculation, such as the flow, property, concentration of the dust and the dispersion, wettability and viscosity of the dust. After knowing these parameters, we can choose the category of the dust removal equipment by calculating the filtration speed, the filter area, the filter material and the resistance of the equipment.
The use of pressure difference pulse control instrument to improve the service life of the diaphragm in the current domestic factories and mines in the use of pulse bag dust collector generally reflects the short service life of the diaphragm of the pulse valve and the supply of spare parts in short supply. Analyze the reason. Mainly domestic pulse bag filter generally adopts regular periodic injection mode, that is, every 30 - 60 seconds of blowing, each time 0.1 to 0.3 seconds. The fatigue strength of the general diaphragm is L5 million times, and the life of the diaphragm is 2 and 3 months under the condition of continuous operation of the dust collector.

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