Ammonia injection grid

Product Details

After ammonia is mixed with dilution air, ammonia injection grid would spray the mixture into boiler flue pass. Ammonia injection grid (AIG) is the key equipment in SCR system. Distribution of ammonia in flue pass is directly related with NOx reduction efficiency and ammonia escape. Even distribution of ammonia in flue pass is prerequisite for selective catalytic reduction.

 

Ammonia injection grid is mounted in vertical flue pass between economizer and SCR reactor.

 

Features

 

  1. Modular design, convenient transportation.
  2. Turbulator at spray nozzle for even distribution.
  3. Anti-clogging spray nozzle.
  4. Spray flow of widthways & lengthways is adjustable.
  5. Simulation analysis of flow field.
  6. Low ammonia escape.
  7. NH3/NOx distribution CV<4% at catalyst inlet.
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