Stationary grate boiler

1CodeCNTL – TS
2Steam capacity500kg steam – 20.000kg steam/hour
3Boiler typeStatic burner fire, water pipe and fire pipe combination
4Design pressure12.0 (kG/cm2) ‐ 30 (kG/cm2)
5Working pressure1 (kG/cm2) – 25 (kG/cm2)

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    Stationary grate boiler (Chain Grate Boilers) are devices that convert thermal energy from fuels like coal dust, wood, husk, and biomass into steam, serving production or power generation. Depending on the usage objective, chain grate boilers generate steam at suitable temperatures and pressures. There are three main types of boilers: energy boilers, industrial boilers, and domestic boilers.

    Stationary grate boiler (Chain Grate Boilers) is a special type featuring a combustion chamber with a high level of mechanical complexity. A prominent feature of this combustion chamber is the use of a continuously moving chain grate, and the fuel moves simultaneously with the grate.

    Specifications

    1CodeCNTL – TS
    2Steam capacity500kg steam – 20.000kg steam/hour
    3Boiler typeStatic burner fire, water pipe and fire pipe combination
    4Design pressure12.0 (kG/cm2) ‐ 30 (kG/cm2)
    5Working pressure1 (kG/cm2) – 25 (kG/cm2)
    6Saturation steam temperature18.0 (kG/cm2) ‐ 35.0 (kG/cm2) ‐ Theo TCVN
    7Slightly saturated temperature165℃ ‐ 230℃
    8Supply water temperature80℃
    9Boiler efficiency85 % ± 3
    10FuelScrap firewood, firewood, lump charcoal, firewood pellets, rice husks,…
    11
    Fuel consumption level
    		No.Furnace fuelKg/ton of steamHumidity
    1Coal140±5≤15%
    2Dry firewood205±5≤15%
    3Fresh firewood320±10≤55%
    12Working voltage380 VAC – 3 pha – 50Hz
    13Manufacturing standardsTCVN6413‐1998, TCVN6004‐6008, TCVN7704‐2007
    14
    Environmental emissions
    		Commitment to exhaust gas composition in accordance with QCVN19:2009/BTNMT as follows:
    The noise 1m away from the furnace is less than 85dB
    No.Standard QCVN19:2009/BTNMT columnGuarantee
    1CO1000 mg/m3600 mg/m3
    2NOX850 mg/m3300 mg/m3
    3SO2500 mg/m3300 mg/m3
    4BỤI200 mg/m3150 mg/m3
    15Working modeFully automatic (Auto), PLC, Touch screen – Manual control (Manual), when PLC fails.

    Advantages

    • The stationary grate boiler is suitable for burning large fuels, with particle sizes up to 50mm and diverse combustibles;
    • Its design is simple and easy to operate;
    • The heat dissipation efficiency of the stationary grate boiler is high, as only about half of the grate length directly contacts the burning fuel;
    • The load can be easily adjusted according to demand, especially when steam load is at a low level;
    • The system operates automatically, reducing the manpower requirements.

    Application

    The stationary grate boiler is widely used in various industries such as food, textiles, plastics, rubber, livestock feed production, sugar manufacturing, paper, and packaging production.

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