JPS54110980A - Heat gas flow adjuster - Google Patents

Heat gas flow adjuster

Info

Publication number
JPS54110980A
JPS54110980A JP1760678A JP1760678A JPS54110980A JP S54110980 A JPS54110980 A JP S54110980A JP 1760678 A JP1760678 A JP 1760678A JP 1760678 A JP1760678 A JP 1760678A JP S54110980 A JPS54110980 A JP S54110980A
Authority
JP
Japan
Prior art keywords
gas
gas flow
heat
duct
high temperature
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.)
Granted
Application number
JP1760678A
Other languages
Japanese (ja)
Other versions
JPS6221571B2 (en
Inventor
Katsuji Ogura
Masato Mukai
Hiroshi Masutomi
Yoshimichi Mori
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 JP1760678A priority Critical patent/JPS54110980A/en
Publication of JPS54110980A publication Critical patent/JPS54110980A/en
Publication of JPS6221571B2 publication Critical patent/JPS6221571B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/0285—Heating or cooling the reactor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

PURPOSE:A perforated plate is located in the heat gas introducing passage in an inclined position to the heat gas flow, the inclined plate having openings through which the heat gas is partially flowed into the gas circulating chamber installed in the opposing position to the gas flow, whereby heat stress produced in the lower supports of the reaction chamber is reduced. CONSTITUTION:High temperature gas flows through the duct 4 into the reactor 1. About 3 to 5% of the high temperature gas passes through the openings 6 of the inclined plate 2, enters into the gas circulating chamber 9, passes through perforations (opening ratio being about 5 to 10%) of the plate 2. Such gas flow adjusts the high temperature gas flow from the duct 4, and the adjusted gas is flowed into the reactive layer 3, then exhausted through the duct 5. The existance of the gas circulating chamber reduces differential thermal expansion between the supports 7, 8 and thermal stresses generated in the supports.
JP1760678A 1978-02-20 1978-02-20 Heat gas flow adjuster Granted JPS54110980A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1760678A JPS54110980A (en) 1978-02-20 1978-02-20 Heat gas flow adjuster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1760678A JPS54110980A (en) 1978-02-20 1978-02-20 Heat gas flow adjuster

Publications (2)

Publication Number Publication Date
JPS54110980A true JPS54110980A (en) 1979-08-30
JPS6221571B2 JPS6221571B2 (en) 1987-05-13

Family

ID=11948534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1760678A Granted JPS54110980A (en) 1978-02-20 1978-02-20 Heat gas flow adjuster

Country Status (1)

Country Link
JP (1) JPS54110980A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55142531A (en) * 1979-04-23 1980-11-07 Babcock Hitachi Kk Denitrification apparatus
JP2002361074A (en) * 2001-06-12 2002-12-17 Babcock Hitachi Kk Reactor for exhaust gas denitration apparatus
JP2010031717A (en) * 2008-07-28 2010-02-12 Mitsubishi Fuso Truck & Bus Corp Exhaust emission control device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55142531A (en) * 1979-04-23 1980-11-07 Babcock Hitachi Kk Denitrification apparatus
JPS6250176B2 (en) * 1979-04-23 1987-10-23 Babcock Hitachi Kk
JP2002361074A (en) * 2001-06-12 2002-12-17 Babcock Hitachi Kk Reactor for exhaust gas denitration apparatus
JP2010031717A (en) * 2008-07-28 2010-02-12 Mitsubishi Fuso Truck & Bus Corp Exhaust emission control device

Also Published As

Publication number Publication date
JPS6221571B2 (en) 1987-05-13

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