DE3442967C3 - Device for the denitrification of flue gas - Google Patents

Device for the denitrification of flue gas

Info

Publication number
DE3442967C3
DE3442967C3 DE19843442967 DE3442967A DE3442967C3 DE 3442967 C3 DE3442967 C3 DE 3442967C3 DE 19843442967 DE19843442967 DE 19843442967 DE 3442967 A DE3442967 A DE 3442967A DE 3442967 C3 DE3442967 C3 DE 3442967C3
Authority
DE
Germany
Prior art keywords
flue gas
heat
gas stream
denitrification
heat exchange
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.)
Expired - Fee Related
Application number
DE19843442967
Other languages
German (de)
Other versions
DE3442967A1 (en
DE3442967C2 (en
Inventor
Klemens Dipl Ing Ruff
Paul Dr Ing Paikert
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.)
GEA Luftkuehler GmbH
GEA Luftkuehlergesellschaft Happel GmbH and Co KG
Original Assignee
GEA Luftkuehler GmbH
GEA Luftkuehlergesellschaft Happel GmbH and Co KG
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 GEA Luftkuehler GmbH, GEA Luftkuehlergesellschaft Happel GmbH and Co KG filed Critical GEA Luftkuehler GmbH
Priority to DE19843442967 priority Critical patent/DE3442967C3/en
Publication of DE3442967A1 publication Critical patent/DE3442967A1/en
Application granted granted Critical
Publication of DE3442967C3 publication Critical patent/DE3442967C3/en
Publication of DE3442967C2 publication Critical patent/DE3442967C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8631—Processes characterised by a specific device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes

Claims (1)

1. Vorrichtung zur Entstickung von Rauchgas, welche eine Einrichtung zum Wärmeaustausch zwischen dem aus einer Entstickungsanlage (4) austretenden Rauchgasstrom (5) und einem aus einer Rauchgasentschwefelungsanlage austretenden Rauchgasstrom (1) sowie eine Ammoniak in den durch den Wärmeaustausch aufgeheizten Rauchgasstrom (3) aus der Rauchgasentschwefelungsanlage vor dessen Eintritt in die Entstickungsanlage (4) eindüsende Dosiereinrichtung aufweist, wobei die Einrichtung zum Wärmeaustausch in den Rauchgasstrom (1) vor der Entstickungsanlage (4) und in den Rauchgasstrom (5) hinter der Entstickungsanlage (4) eingegliederte, untereinander im Sinne einer Wärmeverschiebung verbundene und mit einem fluidischen Wärmeträger beaufschlagte Rohrbündel-Wärmeaustauscher (2, 6) aufweist und in die Anordnung zur Wärmeverschiebung ein Wärmeträgererhitzer (9) integriert ist, gekennzeichnet durch die Kombination folgender Merkmale:
  • a) daß die Rohrbündel-Wärmeaustauscher (2, 6) Wärmerohre (14) aufweisen, die jeweils mit einem Längenabschnitt (15) in den Rauchgasstrom (1, 5) und mit dem anderen Längenabschnitt (18) in einen geschlossenen Thermoöl- Kreislauf (7) hineinragen;
  • b) daß die in den Rauchgasstrom (1, 5) hineinragenden Längenabschnitte (15) der Wärmerohre (14) mit radialen Querrippen (20) versehen sind;
  • c) daß die in einen mit Schikanen (17) versehenen Behälter (16, 19) als Bestandteil des Thermoöl-Kreislaufs (7) hineinragenden Längenabschnitte (18) der Wärmerohre (14) unberippt sind.
1. Device for denitrification of flue gas, which comprises a device for heat exchange between the flue gas stream ( 5 ) exiting from a denitrification system ( 4 ) and a flue gas stream ( 1 ) exiting from a flue gas desulfurization system, as well as ammonia in the flue gas stream ( 3 ) heated by the heat exchange the flue gas desulfurization system has a metering device before it enters the denitrification system ( 4 ), the device for heat exchange into the flue gas stream ( 1 ) upstream of the denoxification system ( 4 ) and into the flue gas stream ( 5 ) behind the denoxification system ( 4 ), which are integrated with one another a tube bundle heat exchanger ( 2, 6 ) connected to a heat displacement and loaded with a fluidic heat carrier and a heat carrier heater ( 9 ) is integrated in the arrangement for the heat displacement, characterized by the combination of the following features:
  • a) that the tube bundle heat exchanger ( 2, 6 ) have heat pipes ( 14 ), each with a length section ( 15 ) in the flue gas stream ( 1, 5 ) and with the other length section ( 18 ) in a closed thermal oil circuit ( 7 ) protrude;
  • b) that the longitudinal sections ( 15 ) of the heat pipes ( 14 ) projecting into the flue gas stream ( 1, 5 ) are provided with radial transverse ribs ( 20 );
  • c) that in a baffle ( 17 ) provided container ( 16, 19 ) as part of the thermal oil circuit ( 7 ) protruding length sections ( 18 ) of the heat pipes ( 14 ) are not finned.
DE19843442967 1984-11-24 1984-11-24 Device for the denitrification of flue gas Expired - Fee Related DE3442967C3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843442967 DE3442967C3 (en) 1984-11-24 1984-11-24 Device for the denitrification of flue gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843442967 DE3442967C3 (en) 1984-11-24 1984-11-24 Device for the denitrification of flue gas

Publications (3)

Publication Number Publication Date
DE3442967A1 DE3442967A1 (en) 1986-05-28
DE3442967C3 true DE3442967C3 (en) 1994-04-14
DE3442967C2 DE3442967C2 (en) 1994-04-14

Family

ID=6251110

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843442967 Expired - Fee Related DE3442967C3 (en) 1984-11-24 1984-11-24 Device for the denitrification of flue gas

Country Status (1)

Country Link
DE (1) DE3442967C3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3626039A1 (en) * 1986-08-01 1988-02-11 Hoelter Heinz NOx reduction by ammonia in a fluidised-bed furnace
ATE76778T1 (en) 1988-10-18 1992-06-15 Balcke Duerr Ag APPARATUS FOR DENOXING POWER PLANT EXHAUST GASES.
CH676632A5 (en) * 1988-12-22 1991-02-15 Sulzer Ag
DE4008617A1 (en) * 1990-03-17 1991-09-19 Kraftanlagen Ag Exhaust gas layout from e.g. boiler plant - has wet desulphurisation, heat exchangers, solids filters and heat carrier so that system prevents corrosion of pressurising fans
DE4014415C2 (en) * 1990-05-04 1993-12-09 Gea Luftkuehler Happel Gmbh Device for the catalytic oxidation of the harmful components in a cooled carrier gas of a process engineering process
DE4123377A1 (en) * 1991-07-15 1993-01-21 Neumann Siegmar Flue gas purificn. for combustion plant or refuse incinerator - waste gas classification uses cooling cells at continually decreasing temp., with flue gas passed downwards through cells
DE4244969A1 (en) * 1992-07-14 1998-04-09 Gea Luftkuehler Happel Gmbh Arrangement for using exhaust heat from boiler of coal-fired power station for preheating boiler feed water and primary air
DE19809140A1 (en) * 1998-03-04 1999-09-09 Inst Mikrotechnik Mainz Gmbh High capacity heat exchanger of simple construction
DE10100114A1 (en) * 2001-01-03 2002-07-04 Linde Ag Regenerating loaded adsorber comprises using regenerating gas heated using hot thermal oil stream
CN112569758B (en) * 2019-09-27 2022-08-23 江苏集萃冶金技术研究院有限公司 Online denitration process for sintering flue gas

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2548096C3 (en) * 1975-10-28 1979-09-13 Kraftanlagen Ag, 6900 Heidelberg Device for cleaning recuperators in circuit-connected heat recovery systems
DE2931041A1 (en) * 1978-08-02 1980-02-21 Johnson Matthey Co Ltd Heat recovery from gas contg. combustible vapour or liquid drops - e.g. exhaust gas by catalytic combustion and heat transfer
DE3415682A1 (en) * 1984-04-27 1985-10-31 Davy McKee AG, 6000 Frankfurt Process for the elimination of NOx from flue gases

Also Published As

Publication number Publication date
DE3442967A1 (en) 1986-05-28
DE3442967C2 (en) 1994-04-14

Similar Documents

Publication Publication Date Title
EP0745807B1 (en) Steam boiler
DE3909996C2 (en)
DE19913462A1 (en) Urea hydrolysis to generate ammonia for reducing nitrogen oxides in an exhaust gas catalytic converter comprises reacting urea with a side stream of exhaust gas
DE3442967C3 (en) Device for the denitrification of flue gas
DE2316570A1 (en) METHOD AND DEVICE FOR EXHAUST AIR CLEANING
DE1751027A1 (en) Heat exchanger with a liquid serving as an intermediate heat carrier
DE3049409C2 (en) Equipment for steam generation in ammonia synthesis plants
AT405376B (en) METHOD FOR COOLING POLLUTED HOT RAW GAS AND ARRANGEMENT FOR CARRYING OUT THE METHOD
DE20113189U1 (en) Plant for the recovery of thermal energy from exhaust gases
DE2913748A1 (en) HEAT EXCHANGER FOR COOLING SLAG-CONTAINING GASES FROM COAL GASIFICATION
DE3317490C2 (en) Heat exchanger
DE2009377A1 (en) Honzontal fired heat exchanger
DE2703024B2 (en) Device for drying wet steam and subsequent superheating of the dried steam
DE2820826A1 (en) Furnace fire heat recovery system - has pipes passing across heat exchanger housing which tapers towards fume outlet
DE2343495A1 (en) After-burner purifier for waste gases - has heat pipe heat exchanger between inlet and outlet gas ducts
DE596289C (en) T-shaped branch pipe
DE3112748A1 (en) Device for heating water, in particular hot-water heating boiler
DE206787C (en)
DE902499C (en) Water tube boiler
DE385101C (en) Waste heat exchanger for air overheating
DE4220952C2 (en) Fluidized bed reactor for cooling or heating granular solids by indirect heat exchange
EP0034563A1 (en) Method and device for the recovering of heat and for the cleaning of flue gases
DE3522428A1 (en) DEVICE FOR DRYING AND OVERHEATING VAPOR
DE1195280B (en) Apparatus for the condensation of water vapor in plants for the production of nitric acid
DE20009337U1 (en) Device for using hydropower

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted
8339 Ceased/non-payment of the annual fee