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FI915102A - Method and apparatus for recovering heat from hot gases in a heat recovery boiler - Google Patents

Method and apparatus for recovering heat from hot gases in a heat recovery boiler Download PDF

Info

Publication number
FI915102A
FI915102A FI915102A FI915102A FI915102A FI 915102 A FI915102 A FI 915102A FI 915102 A FI915102 A FI 915102A FI 915102 A FI915102 A FI 915102A FI 915102 A FI915102 A FI 915102A
Authority
FI
Finland
Prior art keywords
water
heat recovery
hot gases
heat
boiler
Prior art date
Application number
FI915102A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI915102A0 (en
FI93393B (en
FI93393C (en
Inventor
Heikki Lampinen
Original Assignee
Ahlstroem Oy
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 Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI915102A priority Critical patent/FI93393C/en
Publication of FI915102A0 publication Critical patent/FI915102A0/en
Priority to SE9203173A priority patent/SE508330C2/en
Priority to DK199201321A priority patent/DK172461B1/en
Publication of FI915102A publication Critical patent/FI915102A/en
Publication of FI93393B publication Critical patent/FI93393B/en
Application granted granted Critical
Publication of FI93393C publication Critical patent/FI93393C/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
    • 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
    • Y02E20/14—Combined heat and power generation [CHP]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

Method and arrangement for heat recovery from hot gases in a heat recovery boiler 10 in which a preheater 14 is arranged for the boiler water and heating surfaces 16, 18 to evaporate the water and superheat the steam. For optimal control of the temperature of the boiler water a separate water loop 21 is additionally connected to the preheater 14 for the boiler water so that an amount of water greater than the amount of boiler water circulates in the preheater of the boiler water. <IMAGE>
FI915102A 1991-10-30 1991-10-30 Method and apparatus for heat recovery from hot gases in an exhaust boiler FI93393C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI915102A FI93393C (en) 1991-10-30 1991-10-30 Method and apparatus for heat recovery from hot gases in an exhaust boiler
SE9203173A SE508330C2 (en) 1991-10-30 1992-10-28 Method and apparatus for heat recovery from hot gases in an exhaust boiler
DK199201321A DK172461B1 (en) 1991-10-30 1992-10-29 Method and device for heat recovery from hot gases in a flue gas boiler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI915102A FI93393C (en) 1991-10-30 1991-10-30 Method and apparatus for heat recovery from hot gases in an exhaust boiler
FI915102 1991-10-30

Publications (4)

Publication Number Publication Date
FI915102A0 FI915102A0 (en) 1991-10-30
FI915102A true FI915102A (en) 1993-05-01
FI93393B FI93393B (en) 1994-12-15
FI93393C FI93393C (en) 1995-03-27

Family

ID=8533385

Family Applications (1)

Application Number Title Priority Date Filing Date
FI915102A FI93393C (en) 1991-10-30 1991-10-30 Method and apparatus for heat recovery from hot gases in an exhaust boiler

Country Status (3)

Country Link
DK (1) DK172461B1 (en)
FI (1) FI93393C (en)
SE (1) SE508330C2 (en)

Also Published As

Publication number Publication date
FI915102A0 (en) 1991-10-30
SE508330C2 (en) 1998-09-28
SE9203173L (en) 1993-05-01
DK132192A (en) 1993-05-01
DK132192D0 (en) 1992-10-29
FI93393B (en) 1994-12-15
DK172461B1 (en) 1998-08-31
SE9203173D0 (en) 1992-10-28
FI93393C (en) 1995-03-27

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Legal Events

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BB Publication of examined application
PC Transfer of assignment of patent

Owner name: FOSTER WHEELER ENERGIA OY