NO924664D0 - PROCEDURE FOR PRODUCTION OF PROCESS HEAT - Google Patents

PROCEDURE FOR PRODUCTION OF PROCESS HEAT

Info

Publication number
NO924664D0
NO924664D0 NO924664A NO924664A NO924664D0 NO 924664 D0 NO924664 D0 NO 924664D0 NO 924664 A NO924664 A NO 924664A NO 924664 A NO924664 A NO 924664A NO 924664 D0 NO924664 D0 NO 924664D0
Authority
NO
Norway
Prior art keywords
zone
heat exchanger
combustion
air
postcombustion
Prior art date
Application number
NO924664A
Other languages
Norwegian (no)
Other versions
NO924664L (en
Inventor
Jacob Keller
Original Assignee
Asea Brown Broveri Ag
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 Asea Brown Broveri Ag filed Critical Asea Brown Broveri Ag
Publication of NO924664D0 publication Critical patent/NO924664D0/en
Publication of NO924664L publication Critical patent/NO924664L/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/24—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

In a method of generating process heat, a process medium is heated to its end temperature in two stages in a process heat generator (100). In the first stage, as precombustion zone (107) which is situated downstream of a burner device (101), a substoichiometric combustion is carried out. Downstream of this precombustion zone (107), the combustion gases pass through a cooling phase which is brought about by a heat exchanger (108). Further downstream of the heat exchanger (108), a postcombustion zone (110) begins, the air (109) fed in in this region being supplemented with a cooled waste gas (112). This waste gas (112) can be introduced in the region of the postcombustion zone (110) before the air (109) fed in or together with it. Downstream of the postcombustion zone (110), a further heat exchanger (111) is situated. Since the branching-off of the waste gases (115) is carried out after the further heat exchanger (111), this has an effect on the combustion temperature in the postcombustion zone (110). In order to avoid a thermal overloading of the combustion chamber walls in the precombustion zone (107), the air supply (106) is carried out in a counterflow convection heat exchanger (105) which preheats the air (106) supplied to form combustion air (15) and on the other hand cools the combustion chamber walls. In the first heat exchanger (108), only a part of the heat which would have had to be extracted in the postcombustion zone (110) for reaching the optimum temperature range and for minimising the NOx emissions is extracted in this case. This is possible because the last-mentioned combustion zone is fed with a cooled waste gas. In this manner, it is possible to reduce the relative heat extraction in the precombustion zone (107) as required, which increases the economy of the installation. <IMAGE>
NO92924664A 1991-12-05 1992-12-03 PROCEDURE FOR PRODUCTION OF PROCESS HEAT NO924664L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3583/91A CH684960A5 (en) 1991-12-05 1991-12-05 A process for process heat generation.

Publications (2)

Publication Number Publication Date
NO924664D0 true NO924664D0 (en) 1992-12-03
NO924664L NO924664L (en) 1993-06-07

Family

ID=4259128

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92924664A NO924664L (en) 1991-12-05 1992-12-03 PROCEDURE FOR PRODUCTION OF PROCESS HEAT

Country Status (12)

Country Link
EP (1) EP0545114B1 (en)
JP (1) JPH05240409A (en)
KR (1) KR930013562A (en)
CN (1) CN1072999A (en)
AT (1) ATE151855T1 (en)
CA (1) CA2083248A1 (en)
CH (1) CH684960A5 (en)
CZ (1) CZ357192A3 (en)
DE (1) DE59208354D1 (en)
HU (2) HUT63487A (en)
NO (1) NO924664L (en)
PL (1) PL296798A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4242003A1 (en) * 1992-12-12 1994-06-16 Abb Research Ltd Process heat generator
DE4446541A1 (en) * 1994-12-24 1996-06-27 Abb Management Ag Combustion chamber
JP2021028544A (en) * 2017-12-01 2021-02-25 株式会社エコプラナ Combustion device and combustion method of gas-liquid fuel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5486823A (en) * 1977-12-23 1979-07-10 Mitsubishi Heavy Ind Ltd Combustion with reduction of nitrogen oxide
DE3072145D1 (en) * 1980-09-01 1989-04-20 Zink Co John Disposal of oxides of nitrogen and heat recovery in a single self-contained structure
DE3707773C2 (en) * 1987-03-11 1996-09-05 Bbc Brown Boveri & Cie Process heat generation facility
CH680157A5 (en) * 1989-12-01 1992-06-30 Asea Brown Boveri

Also Published As

Publication number Publication date
HU9203859D0 (en) 1993-03-29
CA2083248A1 (en) 1993-06-06
KR930013562A (en) 1993-07-22
HUT63487A (en) 1993-08-30
ATE151855T1 (en) 1997-05-15
CN1072999A (en) 1993-06-09
EP0545114A1 (en) 1993-06-09
CZ357192A3 (en) 1993-06-16
JPH05240409A (en) 1993-09-17
NO924664L (en) 1993-06-07
EP0545114B1 (en) 1997-04-16
DE59208354D1 (en) 1997-05-22
PL296798A1 (en) 1993-06-14
CH684960A5 (en) 1995-02-15

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