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SZL Coal fired steam boiler

SZL Coal fired steam boiler

    SZL Coal fired steam boiler specification
    Type: steam boiler
    Capacity:4-25 ton
    Pressure:≤9.81MPa
    Boiler Efficiency: 90%-97%
    Application: food processing, power plant, AAC plant, Garment factory
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Product introduction

SZL coal fired steam boiler is double drums, water tube steam boiler, with capacity 4-25 ton, SZL Series coal fired steam boiler for sale is fourth generation, Horizontal Package Steam Boiler has the features of small occupation, bigger output, quick pressure, high efficiency and so on. We have patent rights to produce the boiler.

SZL coal fired steam boiler is double drums, water tube steam boiler, with capacity 4-25 ton, SZL Series coal fired steam boiler for sale is fourth generation, Horizontal Package Steam Boiler has the features of small occupation, bigger output, quick pressure, high efficiency and so on. We have patent rights to produce the boiler.

SZL Coal fired steam boiler.jpg

The coal fired steam boiler consists of two large boiler drum out of factory , up major possession including boiler body , upper steel frame and furnace wall ,lower bulk including coal bucket ,chain grate ,lower furnace wall, and internal ventilation tube. Fuel: Bituminous Coal, dry-burning coal, hard coal, ligneous coal, etc.
1.Combustion and both sides of the furnace chamber adopt membrane water-cooling wall structure. With this kind of structure, the boiler has a high heat transmission coefficient, low heat loss, good air tightness, no distortion for furnace wall and no ash leakage.
2.Furnace front and rear water wall tube extend down to the upper portion of the grate and form the front and back arch, which extends the span of arch.
3. Inverted “α” arch furnace technology makes the front arch high and short, rear arch low and long. This structure increases the burning time of the flue gas in the furnace so as to improve the combustion efficiency. Besides, the streamline shape of back arch can throw the left carbon grains from the back furnace grate into the front so that the coal is easier to get ignited. Finally, many types of coal can be applied in the boiler.
4.The length of the front and back shaft is longer than the other domestic ones, which prolongs the time of fuel combustion in the furnace and lower the carbon content in the furnace slag. Thus, the overload ability of the boiler is strengthened with the increased effect area of furnace grate.
5.Wind is fed from both sides of the coal fired steam boiler. Six independent air chambers can respectively adjust the air volume so as to achieve the best combustion effect.

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