Indian Silicon carbide FGD Absorber scrubber spray nozzle, lechler, bete

Short Description:

Flue Gas Desulfurization (FGD) Absorber Nozzles Removal of sulfur oxides, commonly referred to as SOx, from an exhaust gases using an alkali reagent, such as a wet limestone slurry. When fossil fuels are utilized in combustion processes to run boilers, furnaces, or other equipment they have the potential to release SO2 or SO3 as part of the exhaust gas. These sulfur oxides react easily with other elements to form harmful compound such as sulfuric acid and have the potential to negatively affe...


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    Flue Gas Desulfurization (FGD) Absorber Nozzles
    Removal of sulfur oxides, commonly referred to as SOx, from an exhaust gases using an alkali reagent, such as a wet limestone slurry.

    When fossil fuels are utilized in combustion processes to run boilers, furnaces, or other equipment they have the potential to release SO2 or SO3 as part of the exhaust gas. These sulfur oxides react easily with other elements to form harmful compound such as sulfuric acid and have the potential to negatively affect human health and the environment. Due to these potential effects, control of this compound in flue gases is an essential part of coal fired power plants and other industrial applications.

    Due to erosion, plugging, and build-up concerns, one of the most reliable systems to control these emissions is an open-tower wet flue gas desulfurization (FGD) process using a limestone, hydrated lime, seawater, or other alkaline solution. Spray nozzles are able to effectively and reliably distribute these slurries into absorption towers. By creating uniform patterns of properly sized droplets, these nozzles are able to effectively create the surface area needed for proper absorbtion while minimizing entrainment of the scrubbing solution into the flue gas.

    1 Nozzle_副本 desulphurization nozzles in power plant

    Selecting an FGD Absorber Nozzle:
    Important factors to consider:

    Scrubbing media density and viscosity
    Required droplet size
    The correct droplet size is essential to ensuring proper absorption rates
    Nozzle material
    As the flue gas is often corrosive and the scrubbing fluid is frequently a slurry with high solids content and abrasive properties, selecting the appropriate corrosion and wear resistant material is important
    Nozzle clog resistance
    As the scrubbing fluid is frequently a slurry with high solids content, selection of the nozzle with regard to clog resistance is important
    Nozzle spray pattern and placement
    In order to ensure proper absorption complete coverage of the gas stream with no bypass and sufficient residence time is important
    Nozzle connection size and type
    Required scrubbing fluid flow rates
    Available pressure drop (∆P) across the nozzle
    ∆P = supply pressure at nozzle inlet – process pressure outside nozzle
    Our experienced engineers can help determine which nozzle will perform as required with your design details
    Common FGD Absorber Nozzle Uses and Industries:
    Coal and other fossil fuel power plants
    Petroleum refineries
    Municipal waste incinerators
    Cement kilns
    Metal smelters

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