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Assembled Coal Fired Central Heating Boilers Natural Circulation

Categories Coal Fired Steam Boiler
Brand Name: YONGXING
Model Number: DZL/SZL
Certification: ISO9001,ISO14001,SGS,BV
Place of Origin: HENAN
MOQ: 1set
Price: negotiable
Payment Terms: T/T, L/C, Western Union
Supply Ability: USD1000/SET
Delivery Time: 10-15days
Packaging Details: Nude packing,Package with Steel Box,or Wooden Box
Type: Horizontal
Usage: Industrial
Material: Special steel
Burner: Riello, Baltur,or Optional
Fuel: Coal/Biomass/Wood chip/Wood pellet
Control System: Automatic
Installation: Assembled Boiler
Name: Coal fired hot water boiler
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    Assembled Coal Fired Central Heating Boilers Natural Circulation

    Assembled Coal Fired Central Heating Boilers Natural Circulation


    Central Heating Boilers Structural features


    1. Central Heating Boilers type is a horizontal quick-install boiler, and the water circulation mode is natural circulation. The boiler heat exchange system is composed of a drum, left and right header, and a water-cooled wall, and the main heating surface is designed to install a furnace water wall. In addition, the main heating section of the boiler is made of a seamless steel pipe for 20# low and medium pressure boiler, and the drum is made of special steel plate for boiler. The left and right headers are made of seamless steel tubes.


    2. Central Heating Boilers' design process solves the corrosion problem caused by biomass fuel such as coal or straw, which greatly prolongs the service life of the boiler system and effectively reduces the customer's use cost.


    3. The Central Heating Boilers has good fuel adaptability, and the multi-type soft and hard straw can not only achieve the purpose of stable combustion but also can smoothly reach the design parameters.


    4. The Central Heating Boilers has good dynamic response capability, convenient starting, fast load-lifting rate; boiler combustion device has no moving parts, and the maintenance cost is low.


    5. Avoid drum bag defects: the riser pipes of the two sides of the header are pulled toward the furnace, and the bottom of the drum is introduced below the bottom of the drum and the bottom of the drum covered with the heat insulating material forms the heating surface of the top of the furnace. The bottom of the drum is successfully solved by the novel furnace structure. Subject to high-temperature flame radiation problems, to avoid "bulk bag" defects.


    6. The burning part adopts light chain grate, and the air enters on both sides. There are six independent air chambers under the grate. There are air conditioning mechanisms on both sides of the air chamber. The air is blown into the lower part of the base by the blower. The wind machine enters the independent wind room.


    7. The upper furnace wall is assembled and factorized by the factory. The lower furnace wall is composed of refractory brick, silicate fiber, and thermal insulation material. The fuel enters the furnace through the gate, and the coal slag falls into the slag hopper during the operation of the grate. Finally discharged by the spiral slag machine.


    8. The water circulation is simple, the structure of the pressure-bearing parts is reasonable, and it can be safely operated under the condition of ensuring water quality. At the same time, high-standard, high-quality auxiliary machines, accessories and automatic control equipment are used to ensure the safe and stable operation of the boiler.


    9. The Central Heating Boilers adopts aluminum silicate and centrifugal glass wool as insulation materials, which have good heat preservation performance, light weight and convenient transportation and installation.



    Data sheet 1

    The Parts of DZL Coal Fired Steam Boiler
    NO.NameModel&Origin
    Specification
    1Boiler BodyDZL1-----DZL8YONGXING/DALIAN GRATE
    2Valves andMatchingZHENGZHOU
    Instruments
    3Grate GovernorJ50B / 0.5KWJIANGSU
    4Forced Draft FanType 4-72-12NO.4.5A left 0°ZHOUKOU
    5Induced Draft FanType Y5-41-7.1C right 135°ZHOUKOU
    6Feed Water Pump NORMALType 1(1/2)GC5×9ZHEJIANG
    9Steam Cylinderφx L( mm) 159YONGXING
    10Electrical CabinetCKC-IINANJING
    11Wet type Dust collecter1T matchingZHOUKOU
    12Water Treatments1T matchingUS FLECK
    13Water AlarmZhoukou
    14Slag RemoverGBC-1 / 0.5KWYONGXING
    15Coal ConveyorFSG-100kgYONGXING

    Data sheet 2

    DataDZL1-TDZL2-TDZL3-TDZL4-TDZL6-T
    Rated evaporation capacity t/h12346
    Rated working pressure MPa0.7/1.0/1.250.7/1.0/1.251.0/1.251.25/1.61.25/1.6
    Rated steam temperature ℃170/184/194170/184/194184/194194/204194/204
    Water-supply temperature ℃2020202020
    Body Heated area m265483.5115186
    Economizer Heated area m210.5627.641.25387.2
    Chain Grate area m22.32.34.14.15.85
    Exhaust temperature (℃)120120120125125
    Maximum shipping weight ton1925283243
    Dimension(L*W*H)
    mm
    4500×2000×32005900×2200×34006200×2200×34506700×2400×3450

    7700×2600×360

    0


    Data sheet 3

    Parameters Table for DZH 0.5-6 ton
    Item No.DZH0.5-0.7DZH1-1.0DZH1-1.25DZH2-1.0DZH2-1.25DZH4-1.25DZH4-1.6DZH6-1.25
    Rated steam output(t/h)0.51122446
    Rated work pressure(Mpa)0.711.2511.251.251.61.25
    Rated steam temperature(°C)165.3184194184194194204194
    Rated feed water temperature(°C)2020202020202020
    Thermal efficiency(%)76.677.1877.676.877.778.878.878.5
    Fuel consumption (kg/h)791721783583617267321080
    Shipping size(m)3.67*
    1.76*
    2.78
    4.31*
    1.9*
    2.86
    4.31
    *1.9*
    2.85
    5.41
    *2.6*
    3.1
    5.41
    *2.6*
    3.26
    5.86
    *2.8*
    3.39
    5.86
    *2.8*
    3.4
    6.2*
    2.96*
    3.58

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