The blowback cleaning method is also called blowback airflow or reverse pressure cleaning method. This way is mostly used in the compartmentalized work system. The use of valves automatically adjusted, room by room to produce and filter airflow direction airflow. Blowback cleaning method with internal filtering, due to the reverse airflow and counterpressure to the role of the cylindrical filter bag compressed into a star-shaped cross-section and make it produce reverse wind speed and vibration and make the deposition of powder dust layer off.
Because it is an internal filter, so we should properly adjust the tension of the filter bag, so that the deformation of the high temperature dust bag contraction is not too big and not too small. For this reason, in the direction of the length of the filter bag at certain intervals to add a metal ring, control the deformation of the filter bag, so that the role of dust removal is more evenly distributed to the entire filter bag. In the ash cleaning period, more than two times more than blowing the ash cleaning process.
This way of cleaning mostly use woven fabric filter media such as 729 filter cloth, for easier to clear off the dust can also be used to filter viscous filter media.
The generation of reverse airflow, against the pressure type is to close the outlet side valve, open the reverse air valve, from the atmosphere or the fan discharge pipeline to inhale the gas and the formation of reverse airflow: for the positive pressure type, then close the inlet side of the hopper valves, open the valve of the reverse air valve, from the inlet pipeline to the fan to inhale the atmosphere and the formation of the reverse airflow. In order to increase the effect of blowing back, there are also installed in the form of specialized small fans.
Reverse blowing clearing method of clearing the dust is relatively weak, than the vibration clearing method of high temperature dust bag damage to the role of small, so the glass fiber filter cloth more than the use of this way of clearing the dust.
The bag can be divided into: polyester flannel filter bag, Metas high-temperature dust bag, FMS fluoromax high-temperature dust bag, P84 high-temperature dust bag, PPS high-temperature dust bag, polypropylene needle punched felt dust bag, easy to clear the dust polyester needle punched felt dust bag, anti-static polyester needle punched felt dust bag, water-repellent and oil-resistant needle punched felt dust bag, fiberglass textured yarn dust bag, Acrylic needle felt dust bag, 729 dust bag. Widely used in steel mills, cement plants, power plants, non-ferrous metal smelting, carbon black plants, chemical plants, waste incinerators, asphalt and concrete mixing yards, food processing plants, wood processing, cotton mills and so on.
If there is anything you don't understand you can call the contact number of Botou City Tongming Dust Removal Baidu