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Coal or biomass fired DZL automatic chain grate steam boiler

Coal or biomass fired DZL automatic chain grate steam boiler

The drum consists of arched tube sheet and spirally corrugated tube, so as to prevent the tube sheet from cracking.



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Specifications

 

 

  1. electric steam boiler manufacturersThe drum consists of arched tube sheet and spirally corrugated tube, so as to prevent the tube sheet from cracking.
    gas steam boiler for saleThe ascending calandria are arranged under the drum. With this arrangement, the dead water zone at the bottom of drum is eliminated, and the sludge is difficult to subside on it. As a result, the high-temperature region of drum obtains better cooling, and the bulge phenomenon at the bottom of boiler is eliminated effectively.
  2. steam boiler heat exchangerThe optimal design of the spirally corrugated tube strengthens the heat transfer, speeds up temperature rapidly and enhances the boiler steam rate.
    steam boiler industrialIt is the rational design of arch inside the furnace that improves combustion condition, enhances the dust failing function in it and reduces the pollutant emission of the boiler.
  3. thermostat for steam boilerWith good sealing, the wind box is easily to operate and can provide rational wind. Consequently, it reduces the air excess coefficient and increases the boiler thermal efficiency.
    • biomass boiler

       

    • biomass fired steam boiler

       

    • automatic steam boiler

       

  4. Technical parameter

     

     

    Boiler Model

    DZL1-0.7-AII

    DZL2-1.0-AII

    DZL4-1.25

    -AII

    DZL6-1.25

    -AII

    DZL10-1.25

    -AII

    DZL15-1.25

    -AII

    DZL20-1.25

    -AII

    Capacity (t / h)

    1

    2

    4

    6

    10

    15

    20

    Rated Pressure (MPa)

    0.7

    1.0

    1.25

    1.25

    1.25

    1.25

    1.25

    Rated Steam Temperature (℃)

    170

    183

    194

    194

    194

    194

    194

    Heating  Area (㎡)

    30.5

    64.2

    128

    190.4

    364.6

    594.9

    712.1

    Effective Area of Grate (㎡)

    2

    3.6

    5.29

    7.37

    12.67

    16.11

    22.3

    Coal Consumption (kg/h)

    191.5

    388

    780

    1155

    1890

    2250

    2980

    Smoke Emission  Temperature (℃)

    158

    167.5

    165.5

    166

    156.7

    153.5

    161.9

     

    Design Efficiency (%)

    78.9

    78.1

    78

    79

    79.8

    80.4

    80.1

     

    Weight (t)

    15

    19.5

    25.8

    30(TOP)

    7.5(BOTTOM)

    40(TOP)

    32(BOTTOM)

    32(TOP)

    29(BOTTOM)

    32(TOP)

    37(BOTTOM)

     

    Dimensions
    L × W × H (m)

    4.6×2.2×2.9

    5.3×2.6×3.1

    6.5×2.6×3.5

    6.3×3.0×3.55

     

    6.6×2.53×1.72

    6.5×3.67×3.54

     

    8.2×3.25×2.15

    8.4×3.55×3.54

     

    Unpackaged parts

    8.6×3.65×3.54

     

    Unpackaged parts

  5. DZL PRODUCTION PROCESS

     

    water tube steam boiler

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