Title:
HYBRID HEATING FURNACE
Document Type and Number:
Japanese Patent JP2019070496
Kind Code:
A
Abstract:
To provide a hybrid heating furnace allowing output adjustment in a wide range, and capable of highly accurately controlling temperature inside the furnace.SOLUTION: A hybrid heating furnace 10 of the embodiment comprises: a furnace body 20 arranged with heating objects therein; a combustion device 30 which has a pilot gas fuel injection part 101 and a main fuel injection part 111 for injecting gas fuel, and a pilot oxidizer injection part 102 and a main oxidizer injection part 112 for injecting oxidizer to be burnt with the fuel, and which forms a flow field of heating gas for the inside of the furnace body; an exhaust passage 40 for guiding the heating gas for heating the heating objects from the furnace body to an exhaust port 41; a heat exchanger 50 for heat exchanging between the heating gas flowing through the exhaust passage 40 and the oxidizer supplied to the pilot oxidizer injection part 102 and to the main oxidizer injection part 112 so as to heat the oxidizer; and an electric heater 60 arranged on an inner wall of the furnace body 20.SELECTED DRAWING: Figure 1
Inventors:
YAGAWA NORITOSHI
NODA HIROKAZU
WATANABE HAYATO
AKIMOTO NAOTO
OSA NOBURO
MIMA TATSUO
EGUCHI FUMIYASU
NODA HISAHARU
IWAMATSU SHIGEO
NODA HIROKAZU
WATANABE HAYATO
AKIMOTO NAOTO
OSA NOBURO
MIMA TATSUO
EGUCHI FUMIYASU
NODA HISAHARU
IWAMATSU SHIGEO
Application Number:
JP2017197510A
Publication Date:
May 09, 2019
Filing Date:
October 11, 2017
Export Citation:
Assignee:
TOKYO GAS CO LTD
CHUBU ELECTRIC POWER
NARITA TECHNO KK
CHUBU ELECTRIC POWER
NARITA TECHNO KK
International Classes:
F23N5/02; F27B17/00; F27D7/02; F27D11/02; F27D17/00; F27D19/00; F27D21/00
Domestic Patent References:
| JP2000144239A | 2000-05-26 | |||
| JP2007271167A | 2007-10-18 | |||
| JPH03152388A | 1991-06-28 |
Foreign References:
| WO2013161087A1 | 2013-10-31 |
Attorney, Agent or Firm:
Patent Business Corporation Sakura International Patent Office