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  • Dongbo

    For reducing Sulfur Oxides
    Model
    -
    Series
    Environmental Equipment

    Product Description

    Dongbo Heavy Industries supplies equipment to reduce nitrohen oxides to deliver boilers without pollutants.

     

    Business

    The technology to reduce sulfur oxides is divided into the Dry process, the Semi Dry process, and the Wet Process according to the use of water. 
     ( These methods have merits to remove acid harmful gas like HCI as well as surfur oxides ).
     Besides, there are circulation fluidization conbustion ,which currently, many power plants use. 


    Dry Analysis
     
    The dry analysis is the method to remove sulfur oxides by using an absorbent like calcium oxide, magnesium oxide.
     This method costs low construction expenses and operation expenses, doesn't bring about waste water. And the place needed is small with simple controll equipment.
     Whereas, there is a weakpoint that the deduction efficiency is low to the maximum 50%. 


    Semi-Dry Analysis
     
    Semi-dry analysis removes sulfur oxides by using Ca(OH)2 slurry.
     This method has the high reduction efficiency of the maximum 90%, and doesn't need waste water treatment. So its construction cost is more expensive than the dry process ,whereas is cheaper than the Wet process.
     Because it is needed to supply slack lime as the form of slurry, the equipment for supplying slurry is necessary. 


    Wet analysis
     
    Wet analysis removes sulfur oxides by using NaOH.
     It has the high reduction efficiency of 95%, but there is a weakpoint that it need the separate waste water treatment equipment because of the expensive construction cost. 
     

    Product List

    Boiler Business

    Hot Water Boiler
    Fuel-smoke tube Boiler
    Waste Heat Recovery Boiler
    DBHI Type Mass Storage Boiler
    High-Pressure Gas Tank
    Cogeneration Plant Boiler
    DBHI Type Package Boiler
    Heat Exchanger
    Gas burning Boiler
    Steam Accumulator

    Environmental Equipment

    Capability Improvement Project
    For reducing Nitrogen Oxides
    For reducing Sulfur Oxides