BOILER - MITSUBISHI HITACHI POWER SYS

Title:

BOILER

Document Type and Number:

WIPO Patent Application WO/2017/047242

Kind Code:

A1

Abstract:

This boiler has a flue (13) in which a reducing agent supplying device (51) and a selective reduction catalyst (50) are provided, a bypass flow path (52) bypassing economizers (46, 47) is provided, and a first closing device (61) partially closing the bypass flow path (52) and a second closing device (62) partially closing the flue (13) are also provided. A plurality of first closing members (64), serving as the first closing device (61), are provided along the direction in which exhaust gas flows through the flue (13) at a predetermined spacing in the width direction of the flue (13). A plurality of second closing members (65), serving as the second closing device (62), are provided along the vertical direction at a predetermined spacing in the width direction of the flue (13). The first closing members (64) and the second closing members (65) are arranged so as to be displaced from each other in the width direction of the flue (13).

Inventors:

ODA MANABU (JP)
KAKO HIROSHI (JP)
MIYANISHI HIDEO (JP)
ISOBE TOMOAKI (JP)

Application Number:

PCT/JP2016/072077

Publication Date:

March 23, 2017

Filing Date:

July 27, 2016

Export Citation:

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Assignee:

MITSUBISHI HITACHI POWER SYS (JP)

International Classes:

F23J15/00; B01D53/86; B01D53/90

Domestic Patent References:

WO2010023852A1

2010-03-04

Foreign References:

JPS6446628U	1989-03-22
US4259987A	1981-04-07
US20140051345A1	2014-02-20
JPH0611132A	1994-01-21
JPS471989U	1972-08-22
JPS491989U	1974-01-09
JPH0292434U	1990-07-23
JP5748894B1	2015-07-15

Other References: