Blowdown Tank

Dissolved solids and particles entering a boiler through the make-up water will remain behind when steam is generated. During operation the concentration of solids builds up and finally a concentration level is reached where operation of the boiler becomes impossible.

If solids are not purged from the boiler they can lead to

  • Scale formation
  • Carryover
  • Corrosion
  • Embrittlement

Chemical treatments and continuous surface blowdowns are commonly used to eliminate solids at the same rate as they are added from make up water.

In general short frequent blowdowns are more effective in removing boiler water sludge than a one, long, infrequent blowdown.

Note that blowdown tanks are required by the Uniform Plumbing Code (UPC) and Uniform Mechanical Code (UMC) Codes on any hi-pressure installations exceeding 15 psig.

KPE blowdown tanks are applicable for both Manual and Automatic Continuous Blowdown of boiler.


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