JPS55162329A - Preventing method for vibration of injection pipe for denitrification agent - Google Patents

Preventing method for vibration of injection pipe for denitrification agent

Info

Publication number
JPS55162329A
JPS55162329A JP7060079A JP7060079A JPS55162329A JP S55162329 A JPS55162329 A JP S55162329A JP 7060079 A JP7060079 A JP 7060079A JP 7060079 A JP7060079 A JP 7060079A JP S55162329 A JPS55162329 A JP S55162329A
Authority
JP
Japan
Prior art keywords
injection pipe
denitrification agent
pipe
cooling water
vibration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7060079A
Other languages
Japanese (ja)
Inventor
Makoto Sakai
Toshiyuki Kaneko
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Babcock Hitachi KK filed Critical Babcock Hitachi KK
Priority to JP7060079A priority Critical patent/JPS55162329A/en
Publication of JPS55162329A publication Critical patent/JPS55162329A/en
Pending legal-status Critical Current

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  • Treating Waste Gases (AREA)

Abstract

PURPOSE: To prevent the vibration of an injection pipe for a denitrification agent to a boiler, etc. by a mechanism wherein the injection pipe is suspended from a boiler stand while an injection pipe for cooling water for supplying the cooling water to the injection pipe is connected to a lower end portion of the injection pipe for the denitrification agent, in a supporting method for the injection pipe for the denitrification agent.
CONSTITUTION: An injection pipe 7 for a denitrification agent is located in space 8 in a secondary superheater tube group, and atomizes the denitrification agent NH3 from its nozzle. A feed pipe 12 for cooling water cooresponds the variation of the elongation of the injection pipe and prevents the generation of thermal stress because length between a metal fitting 15, a fixing portion at the boiler wall side, and a connecting portion 22 at a lower end of the injection pipe 7 is sufficiently made long. The feed pipe 12 for the cooling water is further connected to the connecting portion 22 at the lower end of the injection pipe 7 through a gas passage in a clearance between steam pipe panels, such as secondary superheater panels 3a. Thus, the variation of the elongation of the injection pipe is prevented, and an opportunity causing vibration to the injection pipe can also be eliminated.
COPYRIGHT: (C)1980,JPO&Japio
JP7060079A 1979-06-07 1979-06-07 Preventing method for vibration of injection pipe for denitrification agent Pending JPS55162329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7060079A JPS55162329A (en) 1979-06-07 1979-06-07 Preventing method for vibration of injection pipe for denitrification agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7060079A JPS55162329A (en) 1979-06-07 1979-06-07 Preventing method for vibration of injection pipe for denitrification agent

Publications (1)

Publication Number Publication Date
JPS55162329A true JPS55162329A (en) 1980-12-17

Family

ID=13436211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7060079A Pending JPS55162329A (en) 1979-06-07 1979-06-07 Preventing method for vibration of injection pipe for denitrification agent

Country Status (1)

Country Link
JP (1) JPS55162329A (en)

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