EP0040166B1 - Perfectionnements aux cheminées industrielles à tirage forcé - Google Patents

Perfectionnements aux cheminées industrielles à tirage forcé Download PDF

Info

Publication number
EP0040166B1
EP0040166B1 EP81420072A EP81420072A EP0040166B1 EP 0040166 B1 EP0040166 B1 EP 0040166B1 EP 81420072 A EP81420072 A EP 81420072A EP 81420072 A EP81420072 A EP 81420072A EP 0040166 B1 EP0040166 B1 EP 0040166B1
Authority
EP
European Patent Office
Prior art keywords
column
air
chimney
evacuated
openings
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
Application number
EP81420072A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0040166A1 (fr
Inventor
Jean-François VICARD
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.)
Lab Societe A Responsabilite Francaise Ste
Original Assignee
Lab Societe A Responsabilite Francaise Ste
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 Lab Societe A Responsabilite Francaise Ste filed Critical Lab Societe A Responsabilite Francaise Ste
Publication of EP0040166A1 publication Critical patent/EP0040166A1/fr
Application granted granted Critical
Publication of EP0040166B1 publication Critical patent/EP0040166B1/fr
Expired legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/02—Linings; Jackets; Casings
    • F23J13/025—Linings; Jackets; Casings composed of concentric elements, e.g. double walled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • F23J2900/15004—Preventing plume emission at chimney outlet

Definitions

  • the present invention refers to industrial chimneys intended for discharging gaseous products into the atmosphere which we want to get rid of, this term gaseous products including vapors and solid or liquid particles suspended in a gas.
  • gaseous products including vapors and solid or liquid particles suspended in a gas.
  • the most frequent case is that of combustion products from fireplaces, ovens and the like.
  • FR-A- 2122026 discloses a solution according to which the chimney comprises a central column for the flow of the gases to be evacuated, surrounded by a cylindrical sleeve in which air is blown under pressure.
  • the column and the sleeve opening vertically substantially in the same horizontal plane, the air comes out in the form of a duct which again delays the condensation of humidity and the formation of a plume of smoke.
  • the upward speed provided for the air duct is in principle higher than that of the gaseous products to be discharged, so that here again there is a phenomenon of rapid mixing which considerably reduces the advantages of the device.
  • a chimney for the evacuation into the atmosphere of combustion gases or the like comprising a central column for the flow of the stream of gaseous products to be evacuated and an outer wall which surrounds this column at least in its upper part by providing an annular space in which air passes intended to form around at least a fraction of the periphery of this gas stream, a protective sheath delaying the formation of the smoke plume, and of the kind also in which the central column is surmounted by a converging nozzle whose inlet diameter is substantially equal to that of the upper end of said column, is characterized in that it comprises immediately below the base of the nozzle (1 a) radial discharge openings (4) which extend substantially over its entire periphery to communicate the annular space (3) with the interior of the central column (1), while it st provided means for sending into said annular space (3) air or
  • the chimney shown in fig. 1 comprises a central column 1 established in any suitable manner, for example in bricks, and an outer wall 2 made for example of concrete, reinforced or unreinforced, and which surrounds the column 1 by providing an intermediate annular space 3.
  • the column 1 is ends at the top with a part 1 a of smaller diameter suitable for forming a nozzle or nozzle.
  • this part 1a is cylindrical, but it is perfectly possible to provide it converging over at least part of its height.
  • the outer wall 2 it is connected to the column 1 towards the base of the part or nozzle 1 a, as indicated in 2a.
  • connection between the column 1 and the nozzle 1 a is effected by a rounded part 1 b immediately below which there are provided openings 4 which make the annular space 3 communicate with the interior of the column.
  • the hearth, oven or other device 5 which generates the gaseous products to be evacuated is connected to the base of the column 1 by a pipe 6 (shown diagrammatically by a single line) on which a blower fan 7 is inserted, so as to achieve what 'it was agreed to call the forced draw.
  • the line 6 could also include any filtration, purification, cooling, dehumidification or other treatment devices that one could desire.
  • the intermediate annular space 3 receives via a pipe 8 the air discharged by a fan 9.
  • a pressure comparator 10 connected to the respective pipes 6 and 8 by branches 11 and 12, this comparator acting on the fan 9 via any suitable connection, for example mechanical or electrical, which has been shown diagrammatically by the broken line 13.
  • the fan 7 discharges the gaseous products to be discharged into the base of the column 1 under a certain overpressure.
  • the fan 9 discharges air into the intermediate space 3 under a pressure which the pressure gauge 10 maintains very slightly greater than that generated by the fan 7.
  • the assembly being evacuated at high speed by the nozzle 1 a in which the static pressure is transformed into dynamic pressure, that is to say into kinetic energy.
  • FIG. 2 We have schematically shown in FIG. 2 the general appearance of the gas jet 14 leaving a chimney according to the invention. This imports a height H.
  • the jet 14 of combustion gases or the like and the peripheral air rises first vertically, then gradually tilts under the effect of the wind (indicated by arrow 15).
  • the horizontal plume 16 only appears at a height h above the nozzle 1 a, so that from this point of view everything happens as if we were dealing with a conventional chimney of height H + h .
  • the jet 14 is at first perfectly transparent and practically invisible. It only takes the usual white color very gradually, for example at the level indicated in 14a. We could also increase this action of the auxiliary air by pre-treating it by heating and / or dehydration before discharging it into space 3.
  • auxiliary air is automatically heated by heat exchange with the wall of the column 1. This has the double advantage of reducing the energy required to obtain a determined temperature of this air at the outlet of the openings 4, on the other hand, to avoid excessive heating of said wall in the case of very hot gaseous products.
  • auxiliary gas could be other than atmospheric air.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Drying Of Solid Materials (AREA)
  • Air Supply (AREA)
  • Incineration Of Waste (AREA)
  • Chimneys And Flues (AREA)
EP81420072A 1980-05-09 1981-05-08 Perfectionnements aux cheminées industrielles à tirage forcé Expired EP0040166B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR808010971A FR2482261B1 (fr) 1980-05-09 1980-05-09 Perfectionnements aux cheminees industrielles vicard
FR8010971 1980-05-09

Publications (2)

Publication Number Publication Date
EP0040166A1 EP0040166A1 (fr) 1981-11-18
EP0040166B1 true EP0040166B1 (fr) 1984-08-22

Family

ID=9242041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81420072A Expired EP0040166B1 (fr) 1980-05-09 1981-05-08 Perfectionnements aux cheminées industrielles à tirage forcé

Country Status (10)

Country Link
US (1) US4380189A (enrdf_load_stackoverflow)
EP (1) EP0040166B1 (enrdf_load_stackoverflow)
JP (1) JPS572923A (enrdf_load_stackoverflow)
AU (1) AU544279B2 (enrdf_load_stackoverflow)
BR (1) BR8102873A (enrdf_load_stackoverflow)
CA (1) CA1150927A (enrdf_load_stackoverflow)
DE (2) DE40166T1 (enrdf_load_stackoverflow)
FR (1) FR2482261B1 (enrdf_load_stackoverflow)
IN (1) IN151733B (enrdf_load_stackoverflow)
ZA (1) ZA813012B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551188A1 (fr) * 1983-08-24 1985-03-01 Andre Landreau Chaudiere a regulation de combustion, et procede de regulation de combustion d'une chaudiere
GB8805705D0 (en) * 1988-03-10 1988-04-07 Farleydene Ltd Improvements in/relating to autoclaves
US5931664A (en) * 1997-04-21 1999-08-03 General Kinematics Corporation Non-mechanical leak-proof coupling
US6852023B2 (en) * 2003-01-21 2005-02-08 Copperfield Chimney Supply, Inc. Liner adaptor for chimneys
FR3041689B1 (fr) * 2015-09-28 2019-06-28 Lab Sa Dispositif de suppression, partielle voire totale, d'un panache de fumees, ainsi qu'installation de rejet de fumees a l'atmosphere comprenant un tel dispositif

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE445125C (de) * 1926-03-20 1927-05-30 Theodor Froehlich Fa Vorrichtung an Schornsteinen aus Eisenblech zur Verhinderung der Waermeuebertragung vom Schornstein auf das Tragwerk
FR1056616A (fr) 1952-05-16 1954-03-01 Perfectionnements aux installations comportant des appareils de combustion et des moyens pour l'évacuation des buées, vapeurs, etc.
FR1350587A (fr) 1963-03-19 1964-01-24 Perfectionnements aux cheminées industrielles
JPS4316232Y1 (enrdf_load_stackoverflow) * 1965-06-23 1968-07-05
US3566768A (en) * 1969-01-22 1971-03-02 Air Preheater Stack-jet curtain
US3606847A (en) * 1969-09-08 1971-09-21 Bertram B Reilly Refuse incinerator plant design and method of operating such a plant
US3670666A (en) * 1970-07-27 1972-06-20 Prenco Mfg Co Flow control and damping means
FR2122026A5 (enrdf_load_stackoverflow) 1971-01-15 1972-08-25 Anvar
US4149453A (en) * 1977-04-19 1979-04-17 John Zink Company No-plume device
DE2730582A1 (de) 1977-07-04 1979-01-11 Borsig Gmbh Kamin-duese
JPS5460329U (enrdf_load_stackoverflow) * 1977-10-05 1979-04-26

Also Published As

Publication number Publication date
FR2482261A1 (fr) 1981-11-13
DE40166T1 (de) 1983-09-15
DE3165652D1 (en) 1984-09-27
ZA813012B (en) 1982-05-26
US4380189A (en) 1983-04-19
BR8102873A (pt) 1982-02-02
IN151733B (enrdf_load_stackoverflow) 1983-07-16
EP0040166A1 (fr) 1981-11-18
JPH0114486B2 (enrdf_load_stackoverflow) 1989-03-13
AU544279B2 (en) 1985-05-23
FR2482261B1 (fr) 1985-07-26
AU7021981A (en) 1981-11-12
CA1150927A (en) 1983-08-02
JPS572923A (en) 1982-01-08

Similar Documents

Publication Publication Date Title
EP0152317B1 (fr) Chaudière comportant une chambre de préchauffage du comburant
FR2576671A1 (fr) Perfectionnements a la fabrication de fibres minerales
FR2518727A1 (fr) Dispositif pour expanser de la matiere en granules
EP2147253B1 (fr) Bruleur a combustion interne
EP0095397B1 (fr) Système pour empêcher l'entraînement de liquides au nez de torche
EP0040166B1 (fr) Perfectionnements aux cheminées industrielles à tirage forcé
EP0701092A1 (fr) Dispositif d'étalement d'une flamme par effet COANDA et four comportant ce dispositif
CN106969353A (zh) 一种燃烧装置
EP0006774B1 (fr) Brûleur pour combustible liquide
EP0926434A1 (fr) Brûleur à faible émission d'oxyde d'azote avec circuit de gaz recyclé
EP0648976A1 (fr) Poêle de chauffage
EP0775868B1 (fr) Brûleur à gaz pour four de réchauffage de produits sidérurgiques
EP0082775B1 (fr) Aspirateur statique de fluide gazeux perfectionné
FR2743869A1 (fr) Chaudiere perfectionnee pour la combustion propre de bois vert
EP0663991B1 (fr) Appareil et installation pour l'incineration de dechets
FR2586086A1 (fr) Dispositif de combustion de combustibles solides
FR2903168A1 (fr) Bruleur pour realiser la combustion de substances reputees difficilement combustibles
FR2458752A1 (fr) Procede d'incineration de dechets et incinerateur permettant la mise en oeuvre de ce procede
FR2574423A1 (fr) Gazogene fonctionnant a la bourre de coco
EP0549416B1 (fr) Brûleur perfectionné à grille ainsi qu'installation de chauffage équipée d'un tel brûleur
EP3765422B1 (fr) Dispositif pour modifier la temperature d'une assiette de fibrage
EP0124390A1 (fr) Installation de traitement thermique de produits divisés
FR2504659A1 (fr) Dispositif de securite pour chambre de combustion a paroi souple
EP0089924A1 (fr) Brûleur à gaz
BE510821A (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE CH DE GB IT NL SE

17P Request for examination filed

Effective date: 19811201

ITF It: translation for a ep patent filed
DET De: translation of patent claims
GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): BE CH DE GB IT LI NL SE

REF Corresponds to:

Ref document number: 3165652

Country of ref document: DE

Date of ref document: 19840927

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19890420

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19890503

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19890511

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19890518

Year of fee payment: 9

ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19890531

Year of fee payment: 9

Ref country code: GB

Payment date: 19890531

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19900508

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19900509

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19900531

Ref country code: CH

Effective date: 19900531

Ref country code: BE

Effective date: 19900531

BERE Be: lapsed

Owner name: SOC. LAB S.A.R.F.

Effective date: 19900531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19901201

GBPC Gb: european patent ceased through non-payment of renewal fee
NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19910201

EUG Se: european patent has lapsed

Ref document number: 81420072.1

Effective date: 19910115