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Title:
DEVICE FOR ADJUSTING PRESSURE IN FURNACE AND METHOD FOR ADJUSTING PRESSURE IN FURNACE
Document Type and Number:
Japanese Patent JP2015210035
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method and device for adjusting a pressure in a furnace which can manage an explosive variation of the pressure in the furnace while reducing pressure loss by a damper.SOLUTION: An in-furnace pressure adjusting device 40 of the present invention adjusts a pressure in the furnace of an incineration system 30 having an air sending-out fan 35 for sending air out of the furnace and a damper 34 positioned at a suction port side of the air sending-out fan 35. The in-furnace pressure adjusting device 40 includes: an adjustor 41 for adjusting an opening level of the damper 34 on the basis of the pressure in the furnace; and a calculator 42 for averaging the opening level of the damper 34 and controlling the number of rotation of the air sending-out fan 35. The calculator 42 compares the preset value and the averaged opening level of the damper 34, and controls the number of rotation of the air sending-out fan 35 on the basis of the comparison result so that the opening level of the damper 34 can get closer to the preset value.

Inventors:
YAMAGUCHI SHIGERU
SAITO HIROSHI
ISHIKAWA RYUICHI
Application Number:
JP2014092384A
Publication Date:
November 24, 2015
Filing Date:
April 28, 2014
Export Citation:
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Assignee:
EBARA ENV PLANT CO LTD
International Classes:
F23N5/00; F23G5/50; F23N3/02; F23N3/08
Domestic Patent References:
JPH05231639A1993-09-07
JPS63134245U1988-09-02
JP3523442B22004-04-26
JPH03241221A1991-10-28
JPS5828921A1983-02-21
JP2001330229A2001-11-30
Attorney, Agent or Firm:
Shinjiro Ono
Toru Miyamae
Yamazaki Kosaku
Yukio Kanegae
Koichi Kushida
Makoto Watanabe



 
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