SOx reduction with spray nozzle technology
Ikeuchi can provide a number of spray nozzle solutions for SOx reduction
SOx control
Desulfurization plants must meet strict industrial standards to treat exhaust gases before releasing them into the environment. Effective SOx reduction relies on the atomization of limestone slurry into fine droplets.
However, the abrasive nature of the slurry poses a challenge. It causes internal wear on the nozzle, significantly shortening its lifespan. Achieving smaller droplet sizes requires increased rotational force inside the nozzle, which intensifies the impact of the slurry against the nozzle walls—accelerating internal abrasion and further reducing durability.
Ikeuchi has developed a number of spray nozzles which can solve these common issues.
Highlights
- SOx control
- Wet FGD
- Semi-dry FGD
- Anti-clog
- High wear resistance
SOx reduction solutions
Wet FGD
In order to improve the longetivity of the spray nozzle used for wet FGD, IKEUCHI recommends SiC and SiSiC material for this process. The large free passage diameter of the nozzles, of about 2.2 – 2.8 times larger than X shape whirler full cone nozzles, minimizes the clogging and creates smaller droplets.
Advantages of the solution
- Highly wear-resistant as made all in SiC (or SiSiC)
- Lightweight, 1/3 weight compared with stainless steel nozzles
- Large free passage diameter for minimal clogging
Semi-dry FGD
For Semi Dry FGD, IKEUCHI recommends spray nozzles with a smaller droplet size and a strong wear resistance to heat by using Alumina tip (AL99). Alumina is known for its high wear resistance and can last 20-30 times longer than stainless steel spray nozzles.
Advantages of the solution
- Simpler equipment layout
- Less maintenance = time savings
- No wear, no corrosion during 5 years operation
- Pollution control
- Wear resistance
- Increase productivity
- Clog resistance
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