EP0587013A1 - Elément de construction métallique pour un système dans une pièce comportant des appareils produisant de la vapeur - Google Patents

Elément de construction métallique pour un système dans une pièce comportant des appareils produisant de la vapeur Download PDF

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Publication number
EP0587013A1
EP0587013A1 EP93113874A EP93113874A EP0587013A1 EP 0587013 A1 EP0587013 A1 EP 0587013A1 EP 93113874 A EP93113874 A EP 93113874A EP 93113874 A EP93113874 A EP 93113874A EP 0587013 A1 EP0587013 A1 EP 0587013A1
Authority
EP
European Patent Office
Prior art keywords
chamber
fluid flow
component
steam
room
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
EP93113874A
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German (de)
English (en)
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EP0587013B1 (fr
Inventor
Heinrich Dipl.-Ing. Oetjen
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0587013A1 publication Critical patent/EP0587013A1/fr
Application granted granted Critical
Publication of EP0587013B1 publication Critical patent/EP0587013B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/02—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation having means for ventilation or vapour discharge
    • E04B9/023—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation having means for ventilation or vapour discharge comprising drainage gutters for condensed water or grease

Definitions

  • the invention relates to a component made of metal for a device in a room with steam, in particular fatty steam, generating devices over which a fluid flow containing the steam and air is created.
  • the invention has for its object to provide a component of the type mentioned that prevents such condensation.
  • this object is achieved in that the component has an open chamber against the fluid flow, which is shaped so that it largely prevents displacement of the air layer adjacent to the bottom of the chamber on the fluid flow side by the fluid flow.
  • the component can be a wide variety of types of components. It is preferably ensured that it has the shape of a support head with radially projecting support arms for a ventilation device with condensate formation, the ventilation device having at least one condensation-forming, upwardly curved cassette, the edges of which each protrude into a collecting channel and are supported on the support arms , and that the support head has the chamber on its underside.
  • the component can also have the shape of the collecting channel mentioned, which has at least one such chamber on its underside.
  • the commercial kitchen according to FIG. 1 contains a ventilation device suspended from the ceiling in the form of a ventilation ceiling 1.
  • the ventilation ceiling 1 contains double-walled cassettes 2 which are curved upwards and are arranged next to one another.
  • An exhaust air duct 3 above the ventilation ceiling sucks in air from the kitchen space through holes 4 (FIGS. 2 and 4) with edges bent inwards in the inner walls 5 and outer walls 6 of the cassettes 2.
  • Steam contained in the air can condense on the metallic walls 5 and 6 and the condensate can flow into collecting channels 7a which are open at the top and into which the edges of the cassettes 2 extend (cf. in particular FIGS. 2 and 4).
  • the cassettes 2 are supported with their corner areas, see in particular FIG.
  • each collecting channel 7a The end portions of the longitudinal edges of each collecting channel 7a are each provided with a locking lug 11 projecting in the direction of the respectively opposite longitudinal edge of the collecting channel 7a.
  • the locking lugs 11 are formed by incisions in the longitudinal edges and bulge inwards, so that they slide over the side walls 8a of the support arms 8 by pushing up the collecting channel 7a and can each snap over the upper edge of the side walls 8a.
  • the collecting troughs 7a also have an end wall 12 at each end.
  • each support head 9 has a chamber 13a which is open to the upward fluid flow of steam, in particular fatty steam, and air.
  • this chamber 13a the cross section of which is rectangular, the cross-sectional plane coinciding with the direction of fluid flow, the ratio of depth or height to the base area is chosen so that it largely displaces the air layer located on the side of the fluid flow at the bottom 14 of the chamber 13a, here practically all of the air contained in the chamber 13a prevented.
  • the fluid therefore practically does not flow into the chamber 13a, but is deflected laterally below the chamber, so that it practically does not come into contact with the chamber 13a and the vapor contained in the fluid cannot condense on the outside or inside of the chamber 13a. In this way, dripping of condensate on the support heads 9 into the kitchen is avoided.
  • FIG. 7 shows a modified support head 9a, the cross section of which is trapezoidal in a cross-sectional plane that coincides with the fluid flow direction, the distance between the side walls of the chamber 13b and its bottom 14 decreasing. Otherwise, it is dimensioned in the same way as the chamber 13a according to FIG. 6. With this modification, it is ensured to an even greater extent that the upward flowing fluid does not come into contact with the outer surfaces of the side walls of the chamber 13b.
  • the collecting trough 7a is also provided on its underside with a chamber 13c corresponding to the chamber 13a, the bottom 15 of which simultaneously forms the bottom of the collecting trough 7a.
  • the collecting trough 7b according to FIGS. 10 and 11 is provided on the underside with a plurality of chambers 13d, one behind the other in the longitudinal direction of the collecting trough 7b, with a trapezoidal cross-section corresponding to the chamber 13b according to FIG. 7, the bottoms 15 of the chambers 13d also being the bottom of the chambers Form collecting channel 7b.
  • the collecting trough 7c according to FIGS. 12 and 13 differs from that according to FIGS. 8 and 9 only in that the chamber 13e is trapezoidal in cross-section and separate from the collecting trough 7c, the bottom 15 of the chamber 13e with the bottom 16 of the collecting channel 7c, for example is connected by spot welding or gluing.
  • the separate formation of the chamber 13e has the advantage that it can also be made of a different material than the collecting channel 7c, which usually consists of metal, the material of the chamber 13e can be chosen such that it already condensates out difficult.
  • the invention is not restricted to components such as collecting channels and support heads of ventilation ceilings, but can also be applied to all other metal components which are exposed to a fluid flow containing steam and air.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Separating Particles In Gases By Inertia (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Duct Arrangements (AREA)
  • Devices For Medical Bathing And Washing (AREA)
EP93113874A 1992-09-05 1993-08-31 Elément de construction métallique pour un système dans une pièce comportant des appareils produisant de la vapeur Expired - Lifetime EP0587013B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4229709A DE4229709C1 (de) 1992-09-05 1992-09-05 Bauteil aus Metall für eine Einrichtung in einem Raum mit Dampf erzeugenden Geräten
DE4229709 1992-09-05

Publications (2)

Publication Number Publication Date
EP0587013A1 true EP0587013A1 (fr) 1994-03-16
EP0587013B1 EP0587013B1 (fr) 1997-03-05

Family

ID=6467319

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93113874A Expired - Lifetime EP0587013B1 (fr) 1992-09-05 1993-08-31 Elément de construction métallique pour un système dans une pièce comportant des appareils produisant de la vapeur

Country Status (3)

Country Link
EP (1) EP0587013B1 (fr)
AT (1) ATE149608T1 (fr)
DE (2) DE4229709C1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021001730A1 (de) 2021-04-03 2022-10-06 Rainer Truöl Verfahren zur Verringerung der Menge von Aerosolen und Schwebteilchen in geschlossenen Räumen samt Erforschung der Ausbreitung von Aerosolen und Schwebteilchen dort

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1357136A (fr) * 1963-02-23 1964-04-03 Plafond perfectionné
DE2949235A1 (de) * 1979-12-07 1981-06-11 Johann 4630 Bochum Oleszak Lueftungsdecke
DE3005957A1 (de) * 1980-02-16 1981-09-17 Eurolicht Lichtarchitektur Gmbh, 5205 St Augustin Kassetten-verkleidung
GB2142356A (en) * 1983-06-25 1985-01-16 Firsteel Metal Prod Suspended ceiling system components and assemblies
WO1989007182A1 (fr) * 1988-02-05 1989-08-10 Donaldson Company, Inc. Systeme de grilles de plafond pour salle blanche

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1609427B1 (de) * 1967-03-30 1970-10-29 Paul Gutermuth Unterdecke
DE2414573C2 (de) * 1974-03-26 1975-11-06 Paul 6456 Langenselbold Gutermuth Unterdecke zur Abschirmung tragender Decken von Räumen
FR2336985A1 (fr) * 1975-12-31 1977-07-29 Bertucci Albert Dispositif d'evacuation des fumees, vapeurs et graisses particulierement pour cuisine de restaurant ou de collectivite
DE3375592D1 (en) * 1983-12-22 1988-03-10 Rauch Heinz Suspended filter ceiling for separating and depositing airborne particles from rising waste air
DE3524928C1 (de) * 1985-07-12 1986-10-09 Heinrich Dipl.-Ing. 6454 Bruchköbel Oetjen Vorrichtung zum Reinigen der Oberseiten von Deckenbauteilen
DE3537445C2 (de) * 1985-10-22 1997-02-20 Oetjen Heinrich W Dipl Ing Vorrichtung zur Deckenabhängung und Flächenentlüftung von Räumen mit fetthaltigen Wrasen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1357136A (fr) * 1963-02-23 1964-04-03 Plafond perfectionné
DE2949235A1 (de) * 1979-12-07 1981-06-11 Johann 4630 Bochum Oleszak Lueftungsdecke
DE3005957A1 (de) * 1980-02-16 1981-09-17 Eurolicht Lichtarchitektur Gmbh, 5205 St Augustin Kassetten-verkleidung
GB2142356A (en) * 1983-06-25 1985-01-16 Firsteel Metal Prod Suspended ceiling system components and assemblies
WO1989007182A1 (fr) * 1988-02-05 1989-08-10 Donaldson Company, Inc. Systeme de grilles de plafond pour salle blanche

Also Published As

Publication number Publication date
DE4229709C1 (de) 1994-03-03
EP0587013B1 (fr) 1997-03-05
ATE149608T1 (de) 1997-03-15
DE59305578D1 (de) 1997-04-10

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