Subcritical steam injection boiler
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The working fluid (water) pressure in the boiler is lower than the critical pressure and temperature : 22.12MPa 374.15 ℃ is called the subcritical boiler.
Main process introduction-subcritical steam injection boiler:
Basic structure-subcritical steam injection boiler
Typical subcritical steam injection boiler parameters:
The technical parameters of the boiler (take 11.5t/h subcritical boiler as an example):
Rated evaporation: 11.5t/h
Rated working pressure: 21MPa
Rated working temperature: 370℃
Operating steam dryness: 70~85%
Fuel: crude oil/natural gas
Boiler thermal efficiency: ≥91% (fuel oil)/92% (fuel gas)
Operating exhaust temperature: 170~200℃ (fuel oil)/110~140 ℃ (gas)