Circulating fluidized bed boiler air supply device
A technology of circulating fluidized bed and air supply device, which is applied to fluidized bed combustion equipment, fuel burning in a molten state, lighting and heating equipment, etc., can solve problems such as coking accidents, uneven flow field, etc. The effect of slag leakage, improving efficiency and improving performance
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[0007] The present invention will be further described in detail below in conjunction with the drawings.
[0008] See figure 1 The present invention includes an air distribution plate 7 with an air inlet opening and a hood 1 arranged on the upper air distribution plate 7, and an air inlet of the upper air distribution plate 7 is provided with an adjusting member 3 for adjusting the amount of air intake. The adjusting member 3 is connected with the pushing rod 4. The adjusting member 3 is a ring-shaped flat structure set in the air inlet of the air distribution plate 7. The aperture of the hood 1 accounts for 1 / 3-2 / 3 of the entire area of the air distribution plate 7, and the opening of the hood 1 in the central area The ratio of the hole diameter to the hole diameter of the opening 2 of the hood 1 in the remaining area is 3:5-4:5.
[0009] The working process is as follows: before the boiler starts, the air inlet of the lower air distribution plate 5 has no air flow. After the ...
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