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EP3562601B1 - Sorbonne de laboratoire à jets de guidage de paroi et/ou de fond - Google Patents

Sorbonne de laboratoire à jets de guidage de paroi et/ou de fond Download PDF

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Publication number
EP3562601B1
EP3562601B1 EP17823176.7A EP17823176A EP3562601B1 EP 3562601 B1 EP3562601 B1 EP 3562601B1 EP 17823176 A EP17823176 A EP 17823176A EP 3562601 B1 EP3562601 B1 EP 3562601B1
Authority
EP
European Patent Office
Prior art keywords
fume cupboard
opening
flow
jet stream
work space
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
EP17823176.7A
Other languages
German (de)
English (en)
Other versions
EP3562601A1 (fr
Inventor
Bernhard BOBUSCH
Oliver KRÜGER
Jürgen Liebsch
Christian Oliver Paschereit
Jens Hermann WINTERING
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.)
Waldner Laboreinrichtungen Se & Co Kg
Original Assignee
Waldner Laboreinrichtungen 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 Waldner Laboreinrichtungen GmbH and Co KG filed Critical Waldner Laboreinrichtungen GmbH and Co KG
Publication of EP3562601A1 publication Critical patent/EP3562601A1/fr
Application granted granted Critical
Publication of EP3562601B1 publication Critical patent/EP3562601B1/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
    • B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L1/00—Enclosures; Chambers
    • B01L1/02—Air-pressure chambers; Air-locks therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L1/00—Enclosures; Chambers
    • B01L1/04—Dust-free rooms or enclosures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2215/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B2215/003—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area with the assistance of blowing nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/163—Clean air work stations, i.e. selected areas within a space which filtered air is passed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F9/00—Use of air currents for screening, e.g. air curtains

Definitions

  • a cross-sectional area of at least one first and/or one second opening is in a range from 1 mm 2 to 4 mm 2 .
  • a cross-sectional area, viewed perpendicularly to the direction of flow, of at least one first and/or one second opening, preferably all the first and/or second openings, is in a range from 1.8 mm 2 to 3 mm 2 .
  • the baffle 40 is preferably spaced from the worktop 34 on the bottom side and preferably from the rear wall 62 of the housing, as a result of which the exhaust air duct 63 is formed.
  • the baffle 40 preferably has a plurality of elongated openings 42 ( 1 ) through which the exhaust air or the toxic air in the fume cupboard flows through and can enter the duct 63.
  • Further openings 47 are preferably provided on the ceiling 48 in the interior of the fume hood, through which, in particular, light gases and vapors can be guided to the exhaust air collecting duct 50 .
  • the longitudinal extent of the almost rectangular outlet openings 10d, 20d is preferably 3 mm and the transverse dimension perpendicular thereto is preferably 1 mm. This gives a hydraulic diameter of 1.5 mm.
  • a hollow profile 10, 20 with outlet openings 10d, 20d designed in this way was also used in the series of measurements carried out within the scope of the invention. In the following, this hollow profile 10, 20 is also referred to as "jet nozzles”.
  • the inventors have concluded that due to the greatly reduced volume flows, it is now possible to use a fully-fledged fume hood, i. H. to operate a fume hood that meets the DIN EN 14175 series of standards in accordance with the regulations with a compressed air system that is usually available in the building.
  • a compressed air system that is usually available in the building.
  • the person skilled in the art is aware that such compressed air systems installed on the building side can usually provide an air pressure in a range from 0 to 7 bar. A power-driven fan is therefore unnecessary.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Ventilation (AREA)
  • Air-Flow Control Members (AREA)
  • Measuring Volume Flow (AREA)

Claims (20)

  1. Sorbonne (1), destinée à un laboratoire, comportant un carter (60), dans lequel se trouve un espace de travail, qui est délimité sur sa face avant par une guillotine (30), sur son fond par une plaque de fond (34) et latéralement, chaque fois par une paroi latérale (36), et un premier profilé creux (10, 10') placé sur une face frontale avant de chaque paroi latérale (36), chaque premier profilé creux (10, 10') définissant une première chambre de pression (10b, 10b'), qui est fluidiquement reliée avec une pluralité de premiers orifices (10d, 10d'), hors desquels des jets d'air sous la forme de jets de paroi (100) constitués d'air comprimé peuvent être délivrés dans l'espace de travail le long de la paroi latérale (36) en question, caractérisée en ce qu'au moins l'un des premiers orifices (10d, 10d') est fluidiquement relié par l'intermédiaire d'un premier canal (10c, 10c') allongé avec la première chambre de pression {10b, 10b'), et en ce que le premier canal (10c, 10c') présente dans la direction du flux une longueur L qui s'élève au moins au triple du diamètre hydraulique d'une surface de section transversale, vue à la perpendiculaire de la direction du flux du premier orifice (10d, 10d'), pour éviter un décollement du flux du jet de paroi (100) s'échappant du premier orifice (10d, 10d') de la paroi latérale (36) dans une zone de la face avant de l'espace de travail, de jusqu'à au moins 25 % de la profondeur de l'espace de travail.
  2. Sorbonne (1), destinée à un laboratoire, comportant un carter (60), dans lequel se trouve un espace de travail, qui est délimité sur sa face avant par une guillotine (30), sur son fond par une plaque de fond (34) et latéralement, chaque fois par une paroi latérale (36), et un deuxième profilé creux (20, 20') placé sur une face frontale avant de la plaque de fond (34), le deuxième profilé creux (20, 20') définissant une deuxième chambre de pression (20b, 20b'), qui est fluidiquement reliée avec une pluralité de deuxièmes orifices (20d, 20d'), hors desquels des jets d'air sous la forme de jets de paroi (200) peuvent être délivrés dans l'espace de travail le long de la plaque de fond (34), caractérisée en ce qu'au moins l'un des deuxièmes orifices (20d, 20d') est fluidiquement relié par l'intermédiaire d'un deuxième canal (20c, 20c') allongé avec la deuxième chambre de pression (20b, 20b'), et en ce que le deuxième canal (20c, 20c') présente dans la direction du flux une longueur L qui s'élève au moins au triple du diamètre hydraulique d'une surface de section transversale, vue à la perpendiculaire de la direction du flux du deuxième orifice (20d, 20d'), pour éviter un décollement du flux du jet de fond (200) s'échappant du deuxième orifice (20d, 20d') de la plaque de fond (34) dans une zone de la face avant de l'espace de travail, de jusqu'à au moins 25 % de la profondeur de l'espace de travail.
  3. Sorbonne (1), qui présente les caractéristiques des revendications 1 et 2.
  4. Sorbonne (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que le premier (10c, 10c') et/ou le deuxième (20c, 20c') canal présente dans la direction du flux une longueur L qui se situe dans un ordre du quadruple à onze fois le diamètre hydraulique de la surface de section transversale du premier (10d, 10d') et/ou du deuxième (20d, 20d') orifice dans la direction du flux.
  5. Sorbonne (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'on n'assiste à aucun décollement de flux du jet de paroi (100) s'échappant du premier orifice (10d, 10d') de la paroi latérale (36) et/ou du jet de fond (200) s'échappant du deuxième orifice (20d, 20d') de la plaque de fond (34), dans une zone de la face avant de l'espace de travail de jusqu'à 50 % de la profondeur de l'espace de travail.
  6. Sorbonne (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'on n'assiste à aucun décollement de flux du jet de paroi (100) s'échappant du premier orifice (10d, 10d') de la paroi latérale (36) et/ou du jet de fond (200) s'échappant du deuxième orifice (20d, 20d') de la plaque de fond (34), dans une zone de la face avant de l'espace de travail de jusqu'à au moins 75 % de la profondeur de l'espace de travail.
  7. Sorbonne (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'il est prévu un premier et/ou un deuxième capteur de pression (80), qui est/sont fluidiquement relié(s) avec la première (10b, 10b') et/ou la deuxième (20b, 20b') chambre de pression.
  8. Sorbonne (1) selon la revendication 7, caractérisée en ce que le premier et/ou le deuxième capteur de pression (80) comprend une première et/ou une deuxième ligne (82) de capteur de pression qui est placée de telle sorte qu'une extrémité du côté chambre de pression de la première et/ou de la deuxième ligne (82) de capteur de pression (82) se termine à fleur de surface d'une surface intérieure de la première (10b, 10b') et/ou de la deuxième (20b, 20b') chambre de pression.
  9. Sorbonne (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'il est prévu un système de commande (76) qui est conçu de telle sorte que lors d'une utilisation selon les règles de l'art de la sorbonne, il règle la pression dans la première (10b, 10b') et/ou dans la deuxième (20b, 20b') chambre de pression dans un ordre de 50 Pa à 500 Pa, de préférence dans un ordre de 150 Pa à 200 Pa.
  10. Sorbonne (1) selon la revendication 9, si elle dépend de l'une quelconque des revendications 7 ou 8, caractérisée en ce que le système de commande (76) est électriquement connecté avec le premier et/ou le deuxième capteur de pression (80).
  11. Sorbonne (1) selon la revendication 9 ou 10, caractérisée en ce que le système de commande est un réducteur de pression ou un régulateur de débit massique (76), qui est placé en amont de la première (10b, 10b') et/ou de la deuxième (20b, 20b') chambre de pression.
  12. Sorbonne (1) selon la revendication 11, caractérisée en ce que le réducteur de pression ou le régulateur de débit massique (76) est placé(e) à l'intérieur du carter (60).
  13. Sorbonne (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une surface de section transversale d'au moins un premier (10d, 10d') et/ou d'au moins un deuxième (20d, 20d') orifice, vue à la perpendiculaire de la direction de flux, de préférence de tous les premiers et/ou deuxièmes orifices, se situe dans un ordre de 1 mm2 à 4 mm2.
  14. Sorbonne (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une surface de section transversale, vue à la perpendiculaire de la direction de flux, d'au moins un premier (10d, 10d') et/ou d'au moins un deuxième (20d, 20d') orifice, de préférence de tous les premiers et/ou deuxièmes orifices, se situe dans un ordre de 1,8 mm2 à 3 mm2.
  15. Sorbonne (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins un premier (10d, 10d') et/ou au moins un deuxième (20d, 20d') orifice, de préférence tous les premiers et/ou deuxièmes orifices est/sont conçu(s) de telle sorte que le jet d'air comprimé quittant le premier (10d, 10d') et/ou le deuxième (20d, 20d') orifice soient/soit délivré(s) dans l'espace de travail en tant que jet de paroi (100) à oscillation périodique et/ou en tant que jet de fond (200) à oscillation périodique.
  16. Sorbonne (1) selon la revendication 15, caractérisée en ce que la périodicité se situe dans un ordre de 1 Hz à 100 kHz, de préférence dans un ordre de 200 Hz à 300 Hz.
  17. Sorbonne (1) selon l'une quelconque des revendications 15 ou 16, caractérisée en ce que l'oscillation périodique du jet de paroi (100) et/ou l'oscillation périodique du jet de fond (200) sont susceptibles d'être générées par uniquement des éléments constitutifs non mobiles du premier (10, 10') et/ou du deuxième (20, 20') profilés creux, qui sont conçus de préférence en monobloc.
  18. Sorbonne (1) selon l'une quelconque des revendications 15 à 17, caractérisée en ce que l'oscillation périodique du jet de paroi (100) et/ou l'oscillation périodique du jet de fond (200) sont susceptibles d'être générées par auto-excitation.
  19. Sorbonne (1) selon l'une quelconque des revendications 15 à 18, caractérisée en ce qu'il est prévu au moins un premier et/ou au moins un deuxième oscillateur (11) fluidique, qui comprend/comprennent le premier (10d') et/ou le deuxième (20d') orifice, en ce qu'il est prévu de préférence une pluralité de premiers et de deuxièmes oscillateurs fluidiques, lesquels comprennent chacun un premier (10d') et/ou un deuxième orifice (20d'), et sont conçus de telle sorte à générer l'oscillation période du jet de paroi/des jets de paroi (100) et/ou l'oscillation périodique du jet de fond/ des jets de fond (200).
  20. Sorbonne (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que les premiers (10d, 10d') et/ou les deuxièmes (20d, 20d') orifices présentent une forme circulaire, rond, ovale, à angle droit ou polygonale.
EP17823176.7A 2016-12-29 2017-12-28 Sorbonne de laboratoire à jets de guidage de paroi et/ou de fond Active EP3562601B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016125891.1A DE102016125891A1 (de) 2016-12-29 2016-12-29 Laborabzug mit geführten Wandstrahlen
PCT/EP2017/084706 WO2018122304A1 (fr) 2016-12-29 2017-12-28 Sorbonne présentant un guidage des jets en paroi

Publications (2)

Publication Number Publication Date
EP3562601A1 EP3562601A1 (fr) 2019-11-06
EP3562601B1 true EP3562601B1 (fr) 2022-07-20

Family

ID=60915546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17823176.7A Active EP3562601B1 (fr) 2016-12-29 2017-12-28 Sorbonne de laboratoire à jets de guidage de paroi et/ou de fond

Country Status (14)

Country Link
US (1) US20190351466A1 (fr)
EP (1) EP3562601B1 (fr)
JP (1) JP6669685B2 (fr)
KR (1) KR20190103257A (fr)
CN (1) CN110167687A (fr)
AU (1) AU2017385637A1 (fr)
CA (1) CA3048547A1 (fr)
DE (1) DE102016125891A1 (fr)
DK (1) DK3562601T3 (fr)
ES (1) ES2927784T3 (fr)
PL (1) PL3562601T3 (fr)
PT (1) PT3562601T (fr)
TW (1) TWI671136B (fr)
WO (1) WO2018122304A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111229771A (zh) * 2020-03-09 2020-06-05 山东新华医疗器械股份有限公司 一种排风柜
CN111346891B (zh) * 2020-03-17 2025-04-08 珠海科艺普实验装备有限公司 一种通风柜
KR102341941B1 (ko) * 2020-11-18 2021-12-22 주식회사 제이오텍 듀얼 컨트롤러가 구비된 실험용 작업대
CN115899812A (zh) * 2022-11-15 2023-04-04 海信空调有限公司 空调器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2702505A (en) 1950-07-10 1955-02-22 Kewaunee Mfg Co Fume hood
BE756099A (fr) * 1969-09-15 1971-02-15 Nesher Alexander G Appareil de reglage d'ecoulement laminaire
DE2560546C2 (fr) * 1974-09-30 1988-02-04 Bowles Fluidics Corp., Silver Spring, Md., Us
US3973558A (en) * 1974-09-30 1976-08-10 Bowles Fluidics Corporation Swept jet oral irrigator
GB1595840A (en) * 1978-05-30 1981-08-19 Longworth A L Fume cupboards
DE3404775C1 (de) * 1984-02-10 1985-07-18 Heinrich Dipl.-Ing. 5205 St Augustin Hilbers Tischabsaugeschrank für schadstoffhaltige Arbeitsvorgänge und energiesparende Belüftung
DE4036845C2 (de) 1990-11-19 1995-01-05 Waldner Laboreinrichtungen Abzug mit Einströmprofil
FI88541C (fi) * 1991-04-23 1993-05-25 Ilmateollisuus Oy Foerfarande och anordning foer att aostadkomma en luftvaexling foer ett behandlingsrum
FR2684318B1 (fr) * 1991-11-29 1994-03-11 Airt 2000 Sorbonne perfectionnee.
JP2597472B2 (ja) * 1994-11-04 1997-04-09 株式会社ダルトン ドラフトチャンバ
GB9808575D0 (en) 1998-04-23 1998-06-24 Pse Engineering Limited Improvements in fume cupboards
DE10146000A1 (de) 2001-09-18 2003-01-16 Waldner Laboreinrichtungen Abzug
JP5035868B2 (ja) * 2005-12-27 2012-09-26 株式会社イトーキ ドラフトチャンバー
GB201110098D0 (en) * 2011-06-15 2011-07-27 Marshall Specialist Vehicles Ltd Modular shelter system
JP6313936B2 (ja) * 2013-06-28 2018-04-18 ヤマト科学株式会社 低風量ドラフトチャンバー
DE102013215667B4 (de) * 2013-08-08 2018-02-01 Konrad Kreuzer Absaugvorrichtung
CN103861858A (zh) * 2014-03-12 2014-06-18 亿丰洁净科技江苏股份有限公司 一种实验室绿色通风柜
CN205393150U (zh) * 2016-03-23 2016-07-27 黑龙江省计量检定测试院 一种实验室用通风柜

Also Published As

Publication number Publication date
DK3562601T3 (da) 2022-10-10
KR20190103257A (ko) 2019-09-04
DE102016125891A1 (de) 2018-07-05
ES2927784T3 (es) 2022-11-10
JP2018108569A (ja) 2018-07-12
PT3562601T (pt) 2022-10-03
CA3048547A1 (fr) 2018-07-05
TWI671136B (zh) 2019-09-11
US20190351466A1 (en) 2019-11-21
EP3562601A1 (fr) 2019-11-06
WO2018122304A1 (fr) 2018-07-05
JP6669685B2 (ja) 2020-03-18
CN110167687A (zh) 2019-08-23
TW201840374A (zh) 2018-11-16
PL3562601T3 (pl) 2022-12-27
AU2017385637A1 (en) 2019-07-18

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