EP1908532B1 - Système flexible d'extraction d'air - Google Patents

Système flexible d'extraction d'air Download PDF

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Publication number
EP1908532B1
EP1908532B1 EP07018693A EP07018693A EP1908532B1 EP 1908532 B1 EP1908532 B1 EP 1908532B1 EP 07018693 A EP07018693 A EP 07018693A EP 07018693 A EP07018693 A EP 07018693A EP 1908532 B1 EP1908532 B1 EP 1908532B1
Authority
EP
European Patent Office
Prior art keywords
nozzles
air
hoses
nozzle
flanges
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.)
Active
Application number
EP07018693A
Other languages
German (de)
English (en)
Other versions
EP1908532A1 (fr
Inventor
Alessandro Bertacca
Gianluigi Ghilardi
Carlo Alberto Carrai
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.)
HPM Divisione Nautica Srl
Original Assignee
HPM Divisione Nautica Srl
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 HPM Divisione Nautica Srl filed Critical HPM Divisione Nautica Srl
Publication of EP1908532A1 publication Critical patent/EP1908532A1/fr
Application granted granted Critical
Publication of EP1908532B1 publication Critical patent/EP1908532B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/007—Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced

Definitions

  • the invention relates to an air extraction and filtering system according to the preamble of claim 1.
  • the case of a shipyard and, in particular, the construction of hulls in resin and their varnishing in other words, a working process which development varies from time to time in function of the dimensions of the hulls to varnish that necessarily have to be worked in the same space where a totally different processing has been done on other hulls.
  • the shipyards use a system of scaffolds to wrap up the hull, in accordance with the specific case, either the whole hull or one of its sides, and eventually also the upper surface of the hull or a part of it, with plastic material, generally transparent, in order to create a tunnel like space that provides isolation between the working area where the varnishing process is being done and the surroundings.
  • plastic material generally transparent
  • the pavement where the hull is being placed is indicated as nr. (1), as nr. (2) the hull, the transparent wrapping of the upper part of the hull as nr. (3) and as nr. (4) the farthest part of the lateral transparent wrapping realized on a scaffold construction. Both wrappings are an example of a tunnel like space in the shipbuilding industry.
  • a known system such as the one disclosed in US6395047 , having the features of the preamble of the annexed independent claim, comprises a plurality of hose lines with end aspiration nozzles which can be put in different points of the working area.
  • the adaptability of this system to the conformation of the working area is limited.
  • the object of the present invention is to provide an air extraction and filtering system for extraction and filtration of toxic agents which makes possible the dislocation of the air intake units, that is the vapors and solvents intake units, in several points along the inside area of the tunnel and to put in activity one or more of these by simple operations also during the working process.
  • This enables to shorten considerably the distance the air has to cross from the point where the vapors are generated to the point of air intake and to increase in considerable way the air speed inside the hoses in order to avoid this way, or at least to limit, the depositing of condensed vapors or powder.
  • the invention consists of a component constituted by an aspiration nozzle, fitted in a way to have two ends, generally opposite, two flanges that enable a quick connection to hose elements that form a hose line for airflow, or in case of an eventual terminal nozzle, a final plug.
  • the nozzle furthermore, is equipped with one or more closable openings, in general to be opened separately, that enable to conform the nozzle either as a flow through or as an air aspiration unit and in case of more openings present, to vary the air intake capacity of the nozzle.
  • the nozzles may be equipped with more than one opening, as already mentioned, eventually to be closed separately, in order to choke the air flow of one specific nozzle part of the installation and enable, for example, the use of two neighboring nozzles choking the air flow of the nozzle closest to the aspiration point, avoiding in this way the air flow entering to concentrate exclusively on one nozzle and, more in general, to utilize optimally the potential of the aspirator, or of the aspirators, in function of the air intake units necessary .
  • the nozzles might be realized in metal or plastic material of a prism similar form on hexagonal basis see fig. 2 , the variation of form and constructive solution without going out of the invention.
  • the nozzles might have, without going out of the invention, all the combinations in number of closable flaps.
  • the flaps might be hinged up on one side to be opened and closed easily, remaining the possibility to use any solution, comprising rotation on an axis that enables a total or partial opening of a slit of semi circular form or a different one, or a system that enables the total removal of the flap, as stopper.
  • nr. (5) there is the body of the aspiration nozzle, as nr. (6) the flanges for hose connection, as nr. (7) the flap for covering the opening in closure position, as nr. (8) the flap in open position and as nr. (9) the opening for air intake.
  • the extremities of the nozzle might be usefully conformed by means of a connector in iron, in plastic material or any combination of materials and construction technique that makes possible the connection between the body of the nozzle and the hose conducting the air flow aspirated.
  • a connection between the nozzle, as illustrated, and a conduct of circular section In particular, indicated as nr. (10) there is the flange attached to the hose that matches the flange on the aspiration nozzle and as nr. (11) the junction for the circular section hose. Indicated as nr. (12) there is the hose, in this specific case, flexible.
  • the unit composed of the body of the nozzle, the flap/s and the flanges is named "aspiration nozzle”.
  • Two or more nozzles connected together, attached to one or more aspirators by means of a hose line carrying air and varnish vapors conform the so called "modular air extraction and filtration system".
  • connection between aspiration nozzles and the aspirator, or aspirators might be done, as pictured, by means of flexible hoses of circle section, without these being considered a limitation to the protection of this invention, making possible the use of other sections for the conduct and/or every combination of rigid, semi rigid or flexible material permitting the aspiration inside the tunnel or, however, in a narrow and long workspace.
  • fig. 4 a solution that makes possible the setting up of the installation according to the above described characteristics.
  • fig. 4 indicated as nr. 13 there are the nozzles, as nr. 14 the hoses and as nr. 15 the aspirator placed on one extremity of the installation.

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Manipulator (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • External Artificial Organs (AREA)

Claims (9)

  1. Un système d'extraction d'air et de filtration pour l'extraction et la filtration d'agents toxiques tels que des solvants, résines ou vapeurs de vernis dégagés par les procédés d'application de vernis ou de résines mis en oeuvre dans une zone de travail, le système comprenant des moyens d'aspiration (15), une pluralité de buses (13) avec une ou plusieurs ouvertures de prise d'air aptes à être obturées, et des conduits adaptés (14) pour relier ensemble lesdites buses (13), caractérisé en ce que lesdites buses et lesdits conduits sont définis respectivement par des éléments modulaires avec des brides (6, 10) permettant un raccordement rapide pour réaliser au moins une ligne de conduite, où la formation de ladite ligne ou lesdites lignes et le nombre et la position des buses (13) peuvent être adaptés à la configuration de ladite zone de travail et aux endroits où sont produits lesdits agents toxiques.
  2. Le système selon la revendication 1, où chacune des dites buses (13) comporte deux ouvertures (9) de prise d'air ou plus aptes à être obturées séparément.
  3. Le système selon l'une des revendications 1 et 2, où chacun des dites buses comporte deux volets (7, 8) ou plus pour la fermeture des dites ouvertures (9) de prise d'air.
  4. Le système selon l'une quelconque des revendications précédentes, où chacune des dites buses comporte un corps (5) avec deux extrémités axiales, généralement opposées, deux brides (6) aux extrémités respectives du dit corps (5), pour son raccordement respectivement avec lesdits conduits (14) ou à une prise finale, une ouverture de prise d'air (9) formée dans ledit corps, et deux volets (7, 8) articulés sur ledit corps (5) pour fermer ladite ouverture de prise d'air (9), pour être ouverts séparément et permettre de faire varier la capacité d'entrée d'air de la buse (13).
  5. Le système selon la revendication 4, où ledit corps (5) a une forme prismatique, ladite ouverture (9) étant réalisée dans une face plane du corps (5).
  6. Le système selon l'une des revendications 4 et 5, où chacun des dits conduits (14) comprend, à ses extrémités axiales respectives, des brides (10) pour un raccordement rapide avec lesdites brides (6) de ladite buse (13).
  7. Le système selon l'une quelconque des revendications précédentes, où au moins l'une des dites buses (13) comprend au moins un dispositif pour obstruer le flux d'air.
  8. Le système selon l'une quelconque des revendications précédentes, où lesdits conduits (14) sont flexibles.
  9. Le système selon l'une quelconque des revendications précédentes, où ladite zone de travail est définie par un tunnel d'emballage, des échafaudages ou une autre sorte de système de séparation.
EP07018693A 2006-10-02 2007-09-24 Système flexible d'extraction d'air Active EP1908532B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000009A ITPO20060009A1 (it) 2006-10-02 2006-10-02 Sistema di aspirazione localizzato, modulare e componibile dotato di bocchette apribili o parzializzabili

Publications (2)

Publication Number Publication Date
EP1908532A1 EP1908532A1 (fr) 2008-04-09
EP1908532B1 true EP1908532B1 (fr) 2010-07-07

Family

ID=38922452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07018693A Active EP1908532B1 (fr) 2006-10-02 2007-09-24 Système flexible d'extraction d'air

Country Status (5)

Country Link
EP (1) EP1908532B1 (fr)
AT (1) ATE473060T1 (fr)
DE (1) DE602007007555D1 (fr)
ES (1) ES2348185T3 (fr)
IT (1) ITPO20060009A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT259822B (de) * 1965-04-22 1968-02-12 Schwarz Walter Lüftungsanlage
DE29620172U1 (de) * 1996-11-20 1997-02-27 Kramer & Best Anlagenbau GmbH, 56281 Dörth Mehlentstaubungsanlage
DE19920058A1 (de) * 1999-05-03 2000-11-09 Esta Apparatebau Absaugvorrichtung und Verfahren zum Betrieb derselben
DE10106672B4 (de) * 2001-02-14 2004-03-18 Koenig & Bauer Ag Längsschneideinrichtung
US6395047B1 (en) * 2001-02-16 2002-05-28 William C. Smith Portable airborne contamination control system including a main and remote unit
US6669547B2 (en) * 2001-08-28 2003-12-30 Board Of Regents Of University Of Nebraska Multi-stack exhaust system
DE10234637B4 (de) * 2002-07-29 2013-10-17 DüRR DENTAL AG Sauganlage für den zahnmedizinischen Einsatz
US20060154595A1 (en) * 2005-01-06 2006-07-13 International Business Machines Corporation Static pressure stabilizer for local exhaust

Also Published As

Publication number Publication date
DE602007007555D1 (de) 2010-08-19
ATE473060T1 (de) 2010-07-15
ES2348185T3 (es) 2010-12-01
EP1908532A1 (fr) 2008-04-09
ITPO20060009A1 (it) 2008-04-03

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