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Double Drum Steam Boiler

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  • Double Drum Steam Boiler

Short Description:

Double Drum Steam Boiler SZL Serices assembled water tube boiler adopts longitudinal double drum chain grate boiler.


  • Steam Capacity: 4000 ~ 25000Kg / h.
  • Pressure: 1.25 ~ 2.45mpa.
  • Type : Hot Water Boiler
  • Industry Usage: Foods, Textile, Plywood, Paper, Brewery, Ricemill, Printing & Dyeing, Poultry feed, Sugar, Packaging, Building material, Chemical,Garment, etc
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    Product Detail

    Coal Steam Boiler-Used in Foods, Textile, Plywood,Paper Brewery,Rice Mill etc..

    Introduction :

    SZL Series assembled water tube boiler adopts longitudinal double drum chain grate boiler.
    The boiler body is composed of up& down longitudinal drums and convection tube, best heating surface, high thermal efficiency, reasonable design, compact structure, elegant appearance, adequate effect.
    Two side of Combustion chamber equipped the light pipe water wall tube, up drum equip steam separator device and the surface drainage equipment, and down drum equip the termly drainage equipment. The economizer was equipped in the end of the boiler, burning part is equipped the light chain grate ,can be mechanical feed coal, mechanical ventilation was by Air blower and draft fan and equipped with a spiral slag extractor to automatic slag.
    Fuel from coal bucket fell on the grate into the furnace burning flame after arch refracted ,upward through the body combustor then go to the convection tube, after the passage of the economizer and dust remover, then by the Draft fan draw into flue ,then from the chimney to the atmosphere.

    The products use Up and Down , two main assembly part, to transport. short installation period, the cost is low.

    Structure 3 D View 

    SZL-STEAM-BOILER-STRUCTURE1

    Chain Grate Coal Boiler Flow Chat 

    dzl dzg Steam Boiler Equipment Layout

    General Drawing

    SZL steam boiler Drawing

    Parameter

    SZL Horizontal Coal-burning Steam Boiler

    Main Technology Parameter List

    Model  SZL4-1.25-AII
    SZL4-1.57-AII
    SZL4-2.45-AII     		 SZL6-1.25-AI
    SZL6-1.57-AI    		 SZL6-1.25-AII
    SZL6-1.57-AII
    SZL6-2.45-AII    		 SZL8-1.25-AII
    SZL8-1.57-AII
    SZL8-2.45-AII    		 SZL10-1.25-AII
    SZL10-1.57-AII
    SZL10-2.45-AII
    Rated Capacity   4 T/h 6 T/h 6 T/h 8 T/h 10 T/h
    Rated Working Pressure Mpa 1.25/1.57/2.45 1.25/1.57 1.25/1.57/2.45 1.25/1.57/2.45 1.25/1.57/2.45
    Rated Steam Temp. ℃ 194/204/226 192.7/204 194/204/226 194/204/226 194/204/226
    Feed Water Temp. ℃ 20 20 20/105 20/105 20/105
    Fuel Consumption  Kg/H ~580 ~850 ~1130 ~1400
    Thermal Efficiency  % 78 79 80 80 80
    Heating Surface Boiler Body m² 80.5 129.4 140 197 233.6
    Economizer m² 38.5 109 87.2 122.08 174.4
    Grate area   m² 4.84 7.9 7.78 10.42 11.8
    Design Fule Bituminous Coal
    Max. Transport Weight   ~29 T ~44T ~25/26/27.5T ~26.5/27.08/28T 38.97/40.31/41.67
    Max. Transport Dimension 6.9x2.5x3.5 8.8x3.2x3.5 Up6.08x3.03x3.6D:7.3x2.9x1.72 6.9x3.33x3.547 Up7.8x3.2x3.524D 8.9x3.2x2
    Boiler Auxiliary Equipment Model and Specification
    Air Blower Model T4-72-114ARight 315° GG6-15Right 225° T4-72-115ARight 225° Gg8-1Right 225° 10td 811DRight 225°
    Motor Power N=5.5 Kw N=11 Kw N=11 Kw N=11 Kw N=15 Kw
    Draft Fan Model Y9-26Right 0° GY6-15   Right 0° Y-8-39Right 0° GY8-1Right 0° 10TY-9.5DRight 0°
    Motor Power N=22 Kw N=37 Kw N=30 Kw N=37 Kw N=45 Kw
    Gear Box Model GL-5P GL-10P GL-10P GL-10P GL-16P
    Motor Power N=0.55 Kw N=0.75 Kw N=1.1 Kw N=1.1 Kw N=1.1 Kw
    Feed Water Pump Model 1½ GC5x7 DG12-25x8 DG6-25x7 2GC5x6 DG12-25x8
    Motor Power N=7.5 Kw N=15 Kw N=7.5 Kw N=18.5 Kw N=18.5 Kw
    Dust Remover XD-4 XD-6 XD-6 XD-8 XD-10

    SZL Horizontal Coal-burning Steam Boiler

    Main Technology Parameter List

    ModelItem SZL15-1.25-AIISZL15-1.57-AII

    SZL15-2.45-AII 

    		 SZL20-1.25-AIISZL20-1.57-AII

    SZL20-2.45-AII

    		 SZL25-1.25-AIISZL25-1.57-AII

    SZL25-2.45-AII
    Rated Capacity   15 T/h 20 T/h 25 T/h
    Rated Working Pressure Mpa 1.25/1.57/2.45 1.25/1.57/2.45 1.25/1.57/2.45
    Rated Steam Temp. ℃ 194/204/226 194/204/226 194/204/226
    Feed Water Temp. ℃ 20/105 20/105 20/105
    Fuel Consumption  Kg/H ~1900 ~2700 ~3650
    Thermal Efficiency  % 82 82 82
    Heating Surface Boiler Body m² 322.2 436.4 573
    Economizer m² 130.8 413 331.5
    Grate area   m² 17.8 22.56 24.52
    Design Fule Bituminous Coal
    Max. Transport Weight   ~43/44.5/46 T ~61.3/62.2/64T ~52.4/53/54.5T
    Max. Transport Dimension Up10.3x3.4x3.5D:10x3.4x2.8 Up11.3x3.2x3.54D:10.65x4.3x2.7 Up12.1x3.4x3.54D10.4x3.5x2.66
    Boiler Auxiliary Equipment Model and Specification
    Air Blower Model G4-73-11Right 0° G4-73-11DRight 0° G4-73-12DRight 0°
    Motor Power N=18.5 Kw N=30 Kw N=37 Kw
    Draft Fan Model Y8-39Right 180° GY20-15Right 180° GY20-15 
    Motor Power N=90 Kw N=110 Kw N=130 Kw
    Gear Box Model GL-20P GL-20P GL-30P
    Motor Power N=1.5 Kw N=1.5Kw N=2.2 Kw
    Feed Water Pump Model 2½ GC6x7 DG25-25x5 DG25-30x7
    Motor Power N=30 Kw N=30 Kw N=30 Kw
    Dust Remover XD-15 XD-20 XD-25
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