When purifying high temperature flue gas, it should be based on the heat resistance of the filter cloth and the composition of the flue gas. Normal room temperature dust-laden air dust removal, only the humidity is the same problem, but the main thing is to prevent the open water from entering the dust removal system, which is very simple occasionally.
Regarding high-temperature flue gas dust removal, it is necessary to control the excessively high temperature of the flue gas to prevent the filter cloth from being burned, and to control the too low temperature to prevent the flue gas from condensing and corroding during the purification process of the dust-laden fume bag filter. The high temperature dust bag filter is only allowed by the temperature resistance conditions of the filter cloth. It should be possible to make the flue gas temperature as high as possible, so that the inside of the dust collector can be kept dry and the dust removal can be carried out normally, so as to create good operating conditions.
In this regard, it is important to develop a filter material with strong heat resistance, and the current glass fiber filter material has this advantage. The industrial filter bag filter will control the operating temperature within the allowable range of the filter cloth. Due to the low temperature, it is uncertain whether it will cause condensation, and if the temperature is too high, the filter cloth will be prematurely aged. .
The environmental protection industry stipulates that the exhaust gas temperature of the boiler and the waste heat of the waste heat boiler are recovered after the waste heat of the flue gas. Switch the local remote switch to the program-controlled position (turn the switch to the right to the end), the short dry contact HJ of the remote start unit is delivered, and the fan runs (such as with an air compressor and the air compressor runs at the same time), as long as the fan turns correctly, Can be put into normal dust removal.
At this time, the timed ash cleaning control is implemented, that is, the dust removal runs for a period of time (adjustable for about 1 to 2 hours), and the ash cleaning control is automatically put into operation. After the time has elapsed, it will automatically stop cleaning, and then enter the next cycle of automatic dust removal, cleaning, and ash discharge, until the short dry contact TJ of the remote stop unit is delivered, and the unit stops.
Post time: Apr-02-2022