Process and apparatus for reducing thermal shock in a hydrocarbon steam cracking furnace

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United States of America Patent

PATENT NO 10160919
APP PUB NO 20170081594A1
SERIAL NO

15064901

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Abstract

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A method and apparatus of reducing thermal shock in one or more radiant tubes of a pyrolysis furnace is provided. The apparatus is a furnace comprising a blower and blower bypass conduit providing separate fluid communication paths for flue gas from the convection section to a natural draft flue gas stack. The method comprises the steps of: redirecting at least a portion of the flue gas through the blower bypass conduit when a blower shut-off event is indicated as well as reducing the firing rate of the furnace.

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Patent Owner(s)

Patent OwnerAddress
EXXONMOBIL CHEMICAL PATENTS INC5200 BAYWAY DRIVE BAYTOWN TX 77520

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Le, Roy Philippe J Singapore, SG 3 6
Spicer, David B Houston, US 48 504
Stephens, George Huffman, US 45 526

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