FIELD: heat- power engineering; gas-supplied boiler houses working on natural gas. SUBSTANCE: method includes supply of feed water, fuel and air to boiler, burning fuel and generation of steam; blowdown water and combustion products are removed from boiler; combustion products are cooled in steam superheater, water economizer, air preheater and condensation waste-heat recovery unit; combustion products cooled below dew point are heated by blowdown water. EFFECT: enhanced economical efficiency of boiler plant. 1 dwg
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Authors
Dates
2002-07-20—Published
2001-01-23—Filed