The combustion of the steam boiler is based on the fuel added to the upper part of the grate to reach an appropriate ignition temperature, and an appropriate amount of air is supplied from the lower part of the grate to be burned in the furnace. The high-temperature flue gas released by the combustion is bent upwards by row through the gap of the cross pipe arranged in the cross.
The high-temperature flue gas entering the gap between the two cross pipes needs to pass through a plurality of rows of cross pipes, which is equivalent to a plurality of small flue gas returning can enter the furnace Inside the head, it acts to block the flow of smoke, reduce the concentration of smoke and dust, extend the flow of smoke, and improve the heat efficiency. The flue gas on both sides of the edge cross-pipe can be directly flushed to the furnace head, but two flue gas return strokes must be combined with the cross-pipe gap to discharge the flue gas, and discharged into the atmosphere through the sky tube and chimney.
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