Combustor and combustion apparatus

A combustor has a premixing type combustion burner (30) which has an atomizer (40) for ejecting a liquid fuel together with combustion air to atomize the liquid fuel. The atomizer is comprised of an inner shell (45) to an inner peripheral surface of which the liquid fuel is supplied, an outer shell...

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Main Authors KURODA, MICHIO, MURAKAMI, TADAYOSHI, NARATO, KIYOSHI, TSUKAHARA, SATOSHI, AZUHATA, SHIGERU, TANIGUCHI, MASAYUKI, KOBAYASHI, HIRONOBU
Format Patent
LanguageEnglish
French
German
Published 01.04.1992
Subjects
AIR SUPPLY
BLASTING
BURNERS
COMBUSTION APPARATUS
COMBUSTION PROCESSES
DRAUGHT-INDUCING
FEEDING FUEL TO COMBUSTION APPARATUS
FLUES
GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
HEATING
LIGHTING
MECHANICAL ENGINEERING
REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES
SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
WEAPONS
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Summary:A combustor has a premixing type combustion burner (30) which has an atomizer (40) for ejecting a liquid fuel together with combustion air to atomize the liquid fuel. The atomizer is comprised of an inner shell (45) to an inner peripheral surface of which the liquid fuel is supplied, an outer shell (41) defining a passage for the combustion air running substantially straight between the outer shell itself and an outer peripheral surface of the inner shell, and a swirling-flow guide plate (50) for swirling the combustion air passed into the inner shell, while directing it in a downstream direction. The combustor further includes a resistor (35) abruptly decreased in sectional area downstream and provided substantially downstream of the center of the swirling flow and in the vicinity of an outlet of the premixing type combustion burner for providing a resistance to a premixture ejected from the premixing type combustion burner.
Bibliography:Application Number: EP19910308745