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Silicon carbide spiral nozzles can serve a long time, about 10~20 times longer than common metal ,4~7 times longer than alumina, especially suitable to serve in harsh conditions. SiC nozzles are key components of the complete set of equipment for dust removal,desulfurization and denitration in coal-fired power plants,steel mills,large boiler and other large coal-fired equipments.Shandong Zhongpeng are the largest manufacturer of SiSiC/RBSC nozzles in China, specialize in the production of silicon carbide nozzles. We are the appointed OEM supplier of many famous brands, supplying five major power groups in China all year round. All the products can be customized according to your requirements. We are wholehearted to provide you with high quality silicon carbide nozzles. 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.
Physical and Chemical Properties
Item
Unit
Specification
Temperature of application
℃
1380
Bulk density
G/cm
≥3.02
Open porosity
%
<0.1
Bending strength
Mpa
≥250(20℃)
Mpa
≥350(1200℃)
Moh's hardness
13
Alkaline &acid-proof
Excellent
**chemicalAnalysis
SiC
%
88~91
Free silicon
%
9~11
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
