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In fact, as long as these points are fulfilled, the boiler dust collector will operate environmentally friendly dust removal equipment for a long period of time, and it is not a problem to increase the service life. The following Kaitai environmental protection machine teaches you how to increase the life of the boiler dust collector. Boiler dust collector, as a dust removal equipment for efficient treatment of industrial dust, has played a huge role in the treatment of dust in boiler plants. From the current point of view, it is impossible to stop the operation of the boiler production line. The effective dust removal measures of the boiler plant dust, the boiler dust collector effectively manages the dust emitted from the boiler working condition production line, the dust removal efficiency reaches the national standard, and since the effective measures for efficiently treating the boiler plant dust have been found, how to keep it stable and running for a long time, What about long-term efficient dust removal to protect the atmosphere?
1. Reduce the smoke temperature, prevent air leakage, and adjust the distribution of cold and hot airflow. a. Examine the air preheater and economizer, improve the heat exchange efficiency, and reduce the flue gas temperature below 150 ℃. b. Prevent air leakage from the furnace, air preheater, flue and dust collector, and reduce the oxygen content of the dust collector flue gas (less than 8%). C. The dust collector has better insulation to prevent acid corrosion caused by condensation. d. Do a good job of debugging the distribution of cold and hot airflow.
2. Control the injection pressure and extend the injection interval. The low resistance of the newly put into production equipment can appropriately lower the injection pressure, pulse width and extend the injection interval, which is very beneficial to extend the life of the filter bag. About running la, the resistance of the filter bag will gradually stabilize to da, and the injection pressure can be adjusted appropriately and the injection interval can be shortened as needed.
3. Pre-spray the filter bag before starting. Check that there is enough ash in the ash storage tank, start the induced draft fan, and pre-spray the filter bag of the boiler dust collector until there is a 2-3mm thick dust layer on the surface of the bag (about 3 hours or more) before the boiler can be oiled for ignition. In order to protect the filter bag, the filter bag should be pre-sprayed every time before the boiler is ignited, and the pre-spraying effect should be checked. The ignition oil gun should be atomized and burned completely to prevent a large amount of unburned oil droplets from being brought to the furnace and causing paste bags.
4. During normal operation, the differential pressure of the filter bag is greater than 1500Pa (electric + bag 1200Pa), and the cleaning will stop at 800 and 900Pa. The typical pressure difference of the new bag is 1.0kPa, and it is 2.5kPa when approaching the life.