加熱炉の排気設備

Japanese Patent JP5211943

B2

To reduce equipment costs of exhausting equipment, in the exhausting equipment of a heating furnace comprising a continuous combustion burner and a regenerative burner.

This exhausting equipment of the heating furnace includes a first exhausting system 4 for discharging a combustion exhaust gas in the heating furnace 1 successively through a heat storage body of the regenerative burner 3 and a suction fan, a second exhausting system 5 for discharging the combustion exhaust gas in the heating furnace 1 by draft from a furnace tail side of the heating furnace 1, one chimney 6 for diffusing the combustion exhaust gas discharged from the first exhausting system 4 and the second exhausting system 5 to the atmospheric air, and a heat exchanging means 9 (preferably, recuperator of pressure loss of 10 mmH2O or more and 20 mmH2O or less) for recovering the heat of the combustion exhaust gas discharged from the second exhausting system 5 to preheat the combustion air supplied to the continuous combustion burner 2, a ratio of the combustion amount of the continuous combustion burner 2 to the combustion amount of the whole burner disposed in the heating furnace 1 is 10 vol.% or more and 50 vol.% or less, and a height of the chimney 6 is 45 m or more and less than 60 m.

COPYRIGHT: (C)2010,JPO&INPIT

Hideo Ageo
Satoru Mashiko

JP2008223724A

June 12, 2013

September 01, 2008

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Nippon Steel & Sumitomo Metal Corporation

F23L15/02; F23L17/00; F23L17/16; F27D17/00

JP10196937A
JP11279649A
JP2002081641A
JP2005337630A
JP2006164661A
JP2003129132A

Masatake Shiga
Tadashi Takahashi
Sumio Tanai
Hiroshi Masui

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