Several types of industrial dust collector in addition to the original pulse bag dust collector
Industrial dust collectors
have the following forms in addition to the original pulse bag dust collectors:
①Off-line and low-pressure blown pulse bag type dust collector for offline compartment. Its main feature is the combination of sub-chambers. When the ash is cleaned, the air is filtered and the air is filtered at a speed of 1.5 m / min. The combined air volume can reach 1 X 10'-7.2X10 ^ 6m3 / h. The compressed air pressure is 0.2 to 0.3 MPa, which was successfully developed by the Labor Protection Institute of the Ministry of Labor.
②Large low-pressure long-bag bag filter. Its main feature is that the bag length is increased from about 2m to 6m, and if necessary, it can be increased by 1 ^-2 m. It adopts a straight-through type double diaphragm fast pulse valve with an injection pressure of 0.15 ^ -0. The filtering wind speed is 1. 5-2. 25m / min, and the unit is combined, and the maximum treated air volume after the combination can reach 1.1X10 ^ 6m3 / h.
③Air box pulse bag filter. This is the technology introduced by American Fuer. The chamber structure is adopted, and the whole room is cleaned by pulse spraying. Blowing pressure. .5 -0. 7MPa, filtering wind speed of 1.2m / min, and processing air volume up to 2.7 X l OW / h.
④ Rotary arm pulse spray bag type dust collector technology. In Australia, the electric dust collector of the power station is transformed into a bag type dust collector, and many of them adopt this technology of Lurgi. The usual rotary arm back-blowing bag type dust collector uses a high-pressure fan to blow back, while Lurgi uses a large pulse valve (the whole dust collector uses only one pulse valve) to blow with compressed air, and the injection pressure is 0.2-0. 25MPa, strong ash cleaning strength, filter bag length up to 6m, cross section is oval (long and short axis is 152.4 X 68. 6mm), and it is arranged perpendicular to the swing arm. 2m / min。 Swing arms are shoulders, one arm sprays a few turns, the other arm sprays a few turns, the filtering wind speed is 1.2m / min. The 350MW unit of the Munmcrah power station in Australia was changed from an electrostatic precipitator to a secondary pulse bag type dust collector with a processing air volume of 1. 9 X 10 ^ 3m '/ h. A total of 48 unit dust collectors were installed with 276 bags per unit , Is currently the world's largest bag type dust collector.