BLOWER FOR EXHAUST COMBUSTION GAS

PROBLEM TO BE SOLVED: To prevent corrosion of a shaft, prolong a period of maintenance and a check, and restrain the maintenance cost to be inexpensive. SOLUTION: Each of corrosion preventing rings 20 is disposed on each of positions of both end part sides of a large diameter part 1a of a shaft susc...

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Bibliographic Details
Main Authors KATSUMURA SHINICHIRO, NAGAHASHI YUJI
Format Patent
LanguageEnglish
Published 30.11.2000
Edition7
Subjects
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
FLUES
HEATING
LIGHTING
MECHANICAL ENGINEERING
METHODS OF STEAM GENERATION
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES
STEAM BOILERS
STEAM GENERATION
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To prevent corrosion of a shaft, prolong a period of maintenance and a check, and restrain the maintenance cost to be inexpensive. SOLUTION: Each of corrosion preventing rings 20 is disposed on each of positions of both end part sides of a large diameter part 1a of a shaft susceptible to vapor condensation. Thereby condensed water droplets shift to an outer circumference part of each of the rings 20 by centrifugal force. As a result the positions consisting of corrosion resistant metal surfaces do not corrode even if the water droplets have high sulfur acid concentration and the shaft is made of corrosion nonresistant metal.
Bibliography:Application Number: JP19990136019