EP2095888B1 - Dispositif d'aspiration de matières et utilisation d'un tel dispositif - Google Patents

Dispositif d'aspiration de matières et utilisation d'un tel dispositif Download PDF

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Publication number
EP2095888B1
EP2095888B1 EP09153697A EP09153697A EP2095888B1 EP 2095888 B1 EP2095888 B1 EP 2095888B1 EP 09153697 A EP09153697 A EP 09153697A EP 09153697 A EP09153697 A EP 09153697A EP 2095888 B1 EP2095888 B1 EP 2095888B1
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EP
European Patent Office
Prior art keywords
substances
extraction
suction device
functional element
previous
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.)
Not-in-force
Application number
EP09153697A
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German (de)
English (en)
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EP2095888A1 (fr
Inventor
Bernd Schubert
Jürgen Sippel
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.)
Wesemann & Co KG GmbH
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Wesemann & Co KG GmbH
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Publication of EP2095888A1 publication Critical patent/EP2095888A1/fr
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Publication of EP2095888B1 publication Critical patent/EP2095888B1/fr
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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
    • B01L1/50—Enclosures; Chambers for storing hazardous materials in the laboratory, e.g. cupboards, waste containers

Definitions

  • the invention relates to a suction device for a hazardous materials workstation for aspirating, in particular health-endangering and / or explosive substances with an interior housing having a rear wall, two opposing side walls, a ceiling element and an access opening, with an exhaust means for sucking the substances from the interior, with a working area in the interior, and with a suction connection.
  • Such a suction device is as a deduction from the DE 103 38 287 B4 known, another suction device is from the DE 102 005 047 194 known.
  • This has the disadvantage that when dealing with the materials in the work area of the fume cupboard these distribute throughout the interior, which is why a very strong suction power is necessary to suck the substances sufficiently from the interior can. Due to the large volume of the interior there is a risk that the substances can not be removed to a sufficient extent from the interior and thus can lead to a burden on the operator. Especially when dealing with hazardous substances there is an increased risk that a sufficient extraction of hazardous substances from the interior to protect the operating personnel from damage to health can not be guaranteed.
  • the problem underlying the invention is to provide a device of the type mentioned, so that a more effective removal of pollutants from the interior, in particular to meet the stricter EU standards, guaranteed, the device must be used in many ways and the operation too a comparatively low energy and / or cost and a lower noise pollution should result.
  • the problem underlying the invention is achieved by a connectable to the suction, absorbent and replaceable functional element.
  • the functional element located in the interior can be connected to the suction connection by means of the extraction connection arranged on the extraction booth, whereby the substances are directly and directly sucked out of the working area.
  • the extraction connection arranged on the extraction booth
  • the substances are directly and directly sucked out of the working area.
  • a large part of the substances is already sucked off in the immediate vicinity of the source for the substances entering the interior.
  • the burden of the entire interior with the substances is significantly reduced and thus a risk to operating personnel is significantly reduced.
  • the device according to the invention is at the same time very versatile and can be used for a very wide variety of purposes.
  • the deduction cabin can be adapted to a wide variety of requirements by selecting a suitable functional element.
  • the extraction capacity with the functional element used corresponds to the extraction capacity of the extraction booth without an inserted functional element, whereby in the latter case the extraction can be effected directly by means of the suction connection.
  • the exhaust air means serves both for the suction of gaseous fluids or the substances from the entire interior of the device as well as for targeted suction of the substances from the work area by means of AbsauganBankes.
  • the housing has a suction distributor.
  • this suction manifold By means of this suction manifold different suction streams are guided in a defined manner and directed to the exhaust air.
  • the arrangement of the suction manifold on the housing allows on the one hand an effective and low production cost, and on the other hand, the possibility to integrate the suction manifold in the housing so that it takes up little space and remains hidden after installation for the operator. This also achieves an aesthetically pleasing overall impression.
  • the suction distributor is designed as a, in particular double-walled, rear wall of the housing.
  • the rear wall is assigned an additional function, which is an effective use of the available space.
  • the rear wall has a large area, which allows a sufficiently large dimensions of the Absaugverteilers.
  • the rear wall preferably has at least one suction connection on a side facing the working area.
  • the suction can be provided at any suitable location of the rear wall.
  • the suction connection goes directly into the suction manifold, which cooperates with the exhaust air means and thus dissipates the withdrawal stream on the shortest route from the work area and the fume cupboard.
  • the suction port is formed as an opening, a slot, a flange and / or a coupling.
  • a suitably designed suction connection is provided.
  • several, in particular horizontally and superimposed, slots are provided as Absaugan let in the rear wall. This allows on the one hand the suction of the substances from the entire interior of the device and on the other hand, the use of functional elements that are connectable at different heights with one or more suction connections.
  • the slots are formed over the entire width of the rear wall. This leads on the one hand to a more effective extraction of the substances from the entire interior and on the other hand allows a horizontally displaceable positioning of the functional element.
  • the functional element can be used as a modular module in the interior.
  • the same fume cupboard can be used for different purposes by means of exchangeable functional elements.
  • a plurality of functional elements can be used simultaneously and / or optionally in the interior.
  • the interior of the fume cupboard can be equipped according to the individual needs.
  • the combination of several functional elements is greatly facilitated by the modular or modular usability in the interior.
  • the connection of the functional element to the suction connection by the insertion of the functional element in the interior is automatically produced. Thus, no further manipulations are necessary for the production of the connection between the functional element and the suction connection except for the insertion of the functional element. This leads to a simplified operability and favors a replacement of the functional element.
  • At least one functional element of a plurality of functional elements simultaneously inserted into the interior of the suction connection can optionally be connected to the suction connection. If it is not necessary because of the desired application of the device that all functional elements inserted into the interior are connected to a suction, it is thus, in particular by manual selection, possible to connect one or more selected functional elements to the suction. As a result, the exhaust power available by means of the exhaust air is used specifically and thus particularly effective.
  • a plurality of functional elements used simultaneously in the interior interact with each other for sucking the substances from the work area.
  • the functional elements are connected to each other via exhaust ducts, whereby the substances from the working areas of all inserted functional elements can be sucked.
  • the withdrawal streams of the individual functional elements are combined to form a common withdrawal stream and fed to the exhaust air means by means of a suction connection.
  • the functional element can be fixed in a fixed manner by insertion into the housing by means of locking means.
  • the locking means may be formed, for example, as suitable and known per se screw or plug connections.
  • positioning means are provided for the insertion of the functional element in the interior.
  • the functional element has at least one opening for sucking off the substances from the working area.
  • the functional element has at least one double bottom.
  • the double bottom serves as a kind of extraction channel for sucking the substances from the work area.
  • other components, for example side walls, of the functional element may be additionally double-walled and serve as a drainage channel and preferably be provided with openings for extracting substances from the working area.
  • openings for sucking off the substances from the working area are provided in a storage surface of the double bottom. These openings may be provided in the form of holes and / or slots.
  • a drawer for removing trapped solid and / or liquid substances in the double bottom is arranged.
  • collected liquid and / or solids can be disposed of in a simple manner and cleaning is greatly simplified.
  • the drawer has openings for the suction of the substances, whereby released substances are extracted both from the work area and from the drawer itself.
  • the double bottom for sucking the substances from the work area with the suction in the back wall connectable.
  • the substances are conducted in an effective manner from the work area in the double bottom and above this by means of the suction connection to the exhaust air.
  • the provision of a double bottom leads on the one hand to the possibility of effective extraction of the substances from the work area and on the other hand to a aesthetically pleasing overall construction.
  • the double bottom can be used for collecting liquids and / or other solid substances, for example, when it comes to spills when handling the liquid and / or solid substances and / or the substances, for example, from their containers overflow.
  • the functional element is designed as a table top, a waste collection point, a shelf, a cabinet, a weighing station, a storage surface and / or a, in particular extendable, shelf table.
  • the functional elements such as, for example, the weighing station, can be equipped with vibration-damping elements.
  • the functional element is designed as a shelf and the shelf has a notch for venting in the back wall.
  • the functional element is designed as a decanting and / or filling station.
  • the decanting and / or filling of, for example, hazardous substances or pollutants for the operating personnel by the escaping amounts of substance a significant health hazard.
  • the transfer and / or filling station is at least partially double-walled.
  • a double-walled hopper may be provided for transferring and / or filling.
  • the functional element preferably has a complementary connection which matches the suction connection. This ensures that no leaks occur during the transition of the discharge stream from the functional element in the suction and the substances to be sucked again enter the workspace and / or interior.
  • the exhaust air means is arranged in the ceiling element.
  • the exhaust air means takes up no space in the interior of the housing, making it more effective, for example, for the onset of functional elements, can be used.
  • the ceiling element preferably has a suction opening, in particular above the working area. As a result, a particularly effective extraction of the substances from the interior is achieved. In particular, substances that are lighter than air are extracted by means of a suction in the ceiling element very effectively from the interior.
  • the dimensions of the, in particular non-closable, access opening in height correspond to the distance from the floor to the ceiling element and preferably in the width of the distance between the two side walls. This results in a very generous access opening, which greatly facilitates the usability.
  • the access opening may be by means of a door or a sash closed.
  • the door or the sash can serve as a protection device, which effectively prevent leakage of, for example, larger amounts of material due to incorrect operation, explosion and / or deflagration from the fume cupboard.
  • a diaphragm is mounted in the upper region of the access opening. This prevents substances from flowing out of the interior to the outside through a swirling which possibly forms in the upper region of the interior.
  • a fan bar and / or a support jet means in particular for deflecting a fluid flow in the direction of the interior of the housing, is provided in the upper region of the access opening.
  • a fan bar and / or a support jet means By means of a fan bar and / or a support jet means, an air curtain can be generated, which prevents leakage of the substances from the interior.
  • fan blades and / or support blasting means are provided in the region of the side walls of the housing, in particular for deflecting a fluid flow in the direction of the interior of the housing.
  • the function of the fan blades and / or support blasting agent is supported via the extraction of the released substances by means of the functional element connected to the suction connection, so that it is possible to dispense with an otherwise additionally required supporting beam, for example in parapet height.
  • the displacement air emerging from the fan blade or the support jet means may have a laminar or turbulent flow for displacing the air into the interior space.
  • the diaphragm and at least one fan blade and / or a support jet means are combined.
  • the outflow velocity of the blower bar or the support blasting medium can be reduced to a minimum, in particular below the usual values of 1.6 m / s. This leads to a lower noise level and to increased comfort. Due to the diaphragm vortex formations, backflow and the discharge of substances from the interior in the upper region of the access opening effectively prevented.
  • a holding means arranged in the upper region of the access opening, for example horizontally above the access opening, can be provided for holding a protective shield.
  • the retaining means may be in the form of a tube, a rail or a bar, and is preferably fixed to the hood by means of suitable spacing means spaced therefrom.
  • the holding means may also be formed as a fan bar or a support beam means.
  • the protective shield as a kind of body shield, can protect the body of the operator from direct contact with the materials or from explosion or deflagration.
  • the shield can be arranged on the holding means such that the shield is laterally displaceable.
  • profiles may be provided in the region of the access opening to the formation of air turbulence in the access opening and / or the discharge of free materials to be removed from the fume cupboard.
  • flexible extraction arms can be provided. These extraction arms can be connected to suction connections in the rear wall and / or on the ceiling element and placed directly above the currently used working area. If the extraction arms are not connected to the extraction connections provided, for example, specifically for the extraction arms, the extraction connections can be closed with covers.
  • Individual or all components of the device according to the invention can be designed such explosion-proof that an additional hazard, for example, the operator due to an explosion and / or deflagration is reduced.
  • the device according to the invention as a fume cupboard and / or as a hazardous material workplace for handling gaseous, liquid and / or solid substances, especially in laboratories and / or scientific teaching rooms at schools and / or universities.
  • Fig. 1 shows a trigger cabin 10 with a housing 11.
  • the housing 11 has an inner space 12 with a working area 13. Furthermore, the housing 11 has a rear wall 14, a side wall 15, a side wall 16 opposite the side wall 15, a ceiling element 17 and an access opening 18.
  • the access opening 18 is not closable and corresponds in height to the distance from the floor to the ceiling element 17 and in the width of the distance between the side walls 15, 16.
  • the access opening 18 is surrounded by a cover 19.
  • a first exhaust air means 20 and a second exhaust air means 21 for symmetrical extraction of the substances from the extraction booth are arranged.
  • a fan blade 23 which is supplied by means of an aggregate 22 with displacement air.
  • Fig. 2 shows the trigger cabin 10, which is substantially the structure according to the Fig. 1 corresponds, however, according to the Fig. 2 no functional elements 24 to 27 are arranged in the interior 12.
  • the rear wall 14 is at least partially formed as a Absaugverteiler 33.
  • the rear wall 14 is partially formed as a double-walled rear wall.
  • a wall element of the double-walled section of the rear wall 14 facing the interior 12 consists of a first rear wall element 28 which extends at right angles and parallel to a wall element of the rear wall 14 facing away from the interior 12, and a second rear wall element 29 which, starting from the first rear wall element 28 , is inclined in the direction of the ceiling element 17 and the access opening 18.
  • the first rear wall element 28 has a lower suction connection 62, a central suction connection 30 and an overlying suction connection 31.
  • the second rear wall element 29 has a suction connection 32 in the region of the ceiling element 17.
  • the ceiling element 17 has a ceiling light 61.
  • the exhaust air means 20, 21 act in a manner not shown with the Absaugverteiler 33 and the suction ports 30, 31, 32 and 62 for sucking the substances from the working area 13 and the interior 12 together.
  • Fig. 3 shows the first functional element 25 according to Fig. 1 ,
  • the functional element 25 is designed as a tabletop module 25.
  • a table top 34 is formed as a double bottom 38.
  • the table top 34 has in its front region, which is inserted in a state in the interior 12 in accordance with the Fig. 1 the access opening 18 faces, openings 35.
  • a respective leg 36 is arranged.
  • a locking means 37 is provided to fix the tabletop module 25 to the rear wall 14.
  • Fig. 4 shows the first functional element 25 according to the Fig. 3 in a cut view. Accordingly, the double bottom 38 in the region of the locking means 37 and thus according to Fig. 1 not closed in the region of the rear wall 14.
  • the fixation of the tabletop module 25 is carried out at the level of Absaugan gleiches 30 of the first rear wall element 28, so that the height of Absaugan gleiches 30 coincides with the height of the double bottom 38 and the substances from the working area 13 in the environment of the tabletop module 25 by means of the openings 35 in the double Bottom 38 and the suction port 30 are sucked.
  • Fig. 5 shows the second functional element 24 according to Fig. 1 , which is designed as a refuse collection point 24.
  • the waste collecting station 24 consists of a trolley 39, which has an upper plate 40.
  • the plate 40 has a circular passage opening 41.
  • a funnel 42 is attached to the plate 40, which directs the introduced into the through hole 41 waste into a connected to the hopper 42 container 44.
  • the container 44 is formed as a barrel 44 and stands on a lower plate 57.
  • the funnel 42 below the plate 40 has a port 43 for the suction of substances.
  • the funnel 42 is connected by means of an adapter 63 to the barrel 44, wherein the adapter 63 provides a tight keg connection, is usable multiple times and allows the venting of the barrel 44 during filling and has an integrated level control.
  • the adapter 63 is formed as a coaxial tube.
  • Fig. 6 shows a partially sectioned view of the second functional element 24 according to Fig. 5 ,
  • a discharge channel 59 is guided around the outer circumference of the funnel 42, which opens into the port 43 and thus serves for sucking out emerging substances from the working area 13 in the vicinity of the funnel 42 and the passage opening 41.
  • the terminal 43 in the arrangement according to the Fig. 1 connected to the suction port 30.
  • a discharge channel 60 is provided, which sucks out substances emerging from the adapter 63 and serves to vent the barrel 44 and likewise opens into the connection 43.
  • Fig. 7 shows the third functional element 27 according to Fig. 1 , which is designed as a shelf module 27.
  • the shelf module 27 is a corner cabinet, which has a double bottom 45, a first double-walled shelf wall 46, a second double-walled shelf wall 47 and support floors 48 as shelves.
  • the support floors 48 are formed as triangles and placed on support means 49.
  • the support bottoms 48 may be formed as double floors, which have openings and are connectable to a suction.
  • the first shelf wall 46 and the second shelf wall 47 have on the interior 12 facing side according to the Fig. 1 Openings 50 on. These serve to suck the substances from the work area 13.
  • a terminal 58 is arranged on the double-walled shelf wall 47, which in the arrangement according to the Fig. 1 is in communication with the suction port 30.
  • the openings 50 can also be used for inserting the support bottoms 48.
  • the connection 58 or an additional connection in the upper region of the double-walled control wall 47 may be arranged and with the suction connection 31 in accordance with Fig. 2 interact.
  • the double bottom 45 has openings 64 for the suction of substances. Thus, leaked or overflowing liquid and / or solids can pass through the openings 64 in the double bottom and be collected.
  • the double bottom 45 has a drawer 65, which facilitates the disposal of collected substances and cleaning.
  • Fig. 8 to Fig. 11 each show a further functional element 26 according to the Fig. 1 , which is designed here as a transfer and / or filling module 26.
  • the transfer and / or filling module 26 has a double bottom 51, a double-walled module wall 53 and a funnel 55.
  • the funnel 55 is formed as a double-walled funnel 55.
  • the module wall 53 has slot-shaped openings 54 for sucking off the substances from the working area 13.
  • the double bottom 51 has a drawer 66 for easy disposal of collected substances and for cleaning.
  • FIG. 11 may be provided within the transfer and / or filling module 26, a lifting table 56, for example, to arrange vessels with lesser height directly below the hopper 55. Furthermore, the functional element 26 has a connection 52 for extracting the substances from the working area 13. For this purpose, the transfer and / or filling station 26 according to the arrangement in Fig. 1 connected to the suction port 30.
  • Fig. 12 shows a trigger cabin 67, which essentially corresponds to the construction of the trigger booth 10 according to Fig. 1 or Fig. 2 corresponds, so that the same elements have the same reference numerals.
  • an aggregate 68 is arranged, which supplies two support jet means 70, 71 with displacement air via two supply lines 69 leading away from the aggregate 68.
  • the support blasting means 70, 71 are associated with the side regions of the access opening 18 in the manner of standpipes, the support blasting means 70, 71 each being spaced from the lateral inner edge of the access opening 18.
  • a table 72 is arranged as a functional element, its upper edge facing the rear wall element 28 and in FIG a suction port 74 passes.
  • a suction port 74 passes above the central suction port 74.
  • both suction ports 73, 74 are formed as slits extending over the entire width of the rear wall element 28.
  • Fig. 13 shows the deduction cabin 67 according to Fig. 12 in a cutaway plan view.
  • the side walls 15, 16 pass through a transition element 75 and 76 in the cover 19, whereby a rectangular transition is avoided and the support beam means 70, 71 are arranged such that the access opening 18 has a maximum width to access into the interior 12 to facilitate.
  • FIGS. 14, 15 and 16 show a take-off booth 77, which essentially corresponds to the construction of the trigger booths 10 and 67. However, in the deduction booth 77 on the cover 19 and above the access opening 18, a holding means 78 is mounted.
  • the holding means 78 extends horizontally over approximately the width of the access opening 18 and is substantially formed as a tube whose ends are bent by 90 °. The bent by 90 ° ends of the holding means 78 are secured to the cover 19 in a suitable manner.
  • the holding means 78 holds a shield 79, which is designed here as a transparent body shield 79.
  • the shield 79 has at the height of the holding means 78 two hooks 80, so that the shield 79 is hacked by means of the hook 80 on the holding means 78 and thus secured and held. Furthermore, the protective shield 79 is additionally fastened in the region of the upper edge of the cover 19 by means of spacers 81.
  • the depending shield 79 extends to about the lower edge of the table top of the table 72, so that the bent legs of a person sitting, for example, on the table 72 person do not come into contact with the shield 79.
  • the protective shield 79 has a waisted region 82 in the lower region, which protects the upper body of a person from direct contact with the substances or from an explosion or deflagration, and at the same time allows handling in the inner space 12 to be largely trouble-free.
  • the holding means 78 may be formed as a fan bar and / or as a support blasting means and / or the protective shield may be arranged laterally displaceable on the holding means 78.
  • Fig. 17 shows a trigger cabin 83, which also essentially corresponds to the structure of the trigger booths 10, 67, 77, although no functional elements 24 to 27 or 72 are arranged in the interior 12.
  • a diaphragm 84 is mounted in the upper region of the access opening 18.
  • the aperture 84 is disposed below the fan blade 23 and is inclined starting from the attachment to the upper, horizontal edge of the access opening 18 obliquely into the interior 12 of the trigger cabin 83. Due to the aperture 84, the outflow speed of the fan blade 23 can be reduced, which leads to a lower noise level and to increased comfort.
  • the orifice 84 prevents vortex formation, backflow and the discharge of substances from the interior 12 in the upper region of the Access opening 18, which can be caused by the lower outflow velocity.

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ventilation (AREA)
  • Cleaning In General (AREA)
  • Vending Machines For Individual Products (AREA)
  • Refuse Collection And Transfer (AREA)

Claims (15)

  1. Dispositif d'aspiration pour un poste de travail avec présence de matières dangereuses pour l'aspiration de matières, en particulier de matières dangereuses pour la santé et/ou de matières explosives, comprenant un caisson (11) présentant un espace interne (12), une face arrière (14), deux parois latérales (15, 16) opposées l'une à l'autre, un élément de couverture (17), et une ouverture d'accès (18), comprenant un moyen de retrait d'air (20, 21) pour l'aspiration des matières de l'espace interne (12), comprenant une zone de travail (13) dans l'espace interne (12) et comprenant un raccord d'aspiration (30, 31, 32, 62, 73, 74), caractérisé en ce qu'il comprend un élément fonctionnel (24, 25, 26, 27, 72) apte à être relié, apte à aspirer et étant interchangeable avec le raccord d'aspiration (30, 31, 32, 62, 73, 74).
  2. Dispositif d'aspiration selon la revendication 1, caractérisé en ce que le raccord d'aspiration (30, 31, 32, 62, 73, 74) coopère avec le moyen de retrait d'air (20, 21) et/ou en ce que le caisson (11) présente un distributeur d'aspiration (33), ledit distributeur d'aspiration (33) étant conçu en une face arrière (14), de préférence à double paroi, du caisson (11).
  3. Dispositif d'aspiration selon l'une des revendications 1 ou 2, caractérisé en ce que la face arrière (14) présente au moins un raccord d'aspiration (30, 31, 32, 62, 73, 74), sur un côté orienté vers la zone de travail (13).
  4. Dispositif d'aspiration selon l'une des revendications précédentes, caractérisé en ce que le raccord d'aspiration (30, 31, 32, 62, 73, 74) est conçu en une fente, une bride et/ou un couplage, et/ou plusieurs fentes, en particulier disposées horizontalement et l'une au-dessus de l'autre, sont disposées dans la face arrière (14) en tant que raccords d'aspiration (30, 31, 32, 62, 73, 74), les fentes étant disposées sur l'ensemble de la largeur de la face arrière (14).
  5. Dispositif d'aspiration selon l'une des revendications précédentes, caractérisé en ce que l'élément fonctionnel (24, 25, 26, 27, 72) est insérable dans l'espace interne (12) d'une manière modulaire en tant que module, et/ou plusieurs éléments fonctionnels (24, 25, 26, 27, 72) sont insérables en même temps et/ou optionnellement dans l'espace interne (12), et/ou la liaison de l'élément fonctionnel (24, 25, 26, 27, 72) au raccord d'aspiration (30, 31, 32, 62, 73, 74) est assurée automatiquement par l'insertion de l'élément fonctionnel (24, 25, 26, 27, 72) dans l'espace interne (12).
  6. Dispositif d'aspiration selon l'une des revendications précédentes, caractérisé en ce qu'au raccord d'aspiration (30, 31, 32, 62, 73, 74), au moins un élément fonctionnel (24, 25, 26, 27, 72) au choix parmi plusieurs éléments fonctionnels (24, 25, 26, 27, 72) insérés en même temps dans l'espace interne (12) est connectable au raccord d'aspiration (30, 31, 32, 62, 73, 74), et/ou plusieurs éléments fonctionnels (24, 25, 26, 27, 72) insérés en même temps dans l'espace interne (12) coopèrent pour l'aspiration des matières de la zone de travail (13).
  7. Dispositif d'aspiration selon l'une des revendications précédentes, caractérisé en ce que l'élément fonctionnel (24, 25, 26, 27, 72) est verrouillable en position dans le caisson (11) par le moyen de moyens de blocage (37), et/ou des moyens de positionnement sont prévus pour l'insertion de l'élément fonctionnel (24, 25, 26, 27, 72) dans l'espace interne (12), en particulier pour la définition de la position dans la zone de travail (13).
  8. Dispositif d'aspiration selon l'une des revendications précédentes, caractérisé en ce que l'élément fonctionnel (24, 25, 26, 27, 72) présente au moins une ouverture (35, 50, 54) pour l'aspiration des matières de la zone de travail (13) et/ou présente au moins un double fond (38, 45, 51), de préférence des ouvertures (35, 50, 54) étant disposées dans une des faces du double fond (38, 45, 51) pour l'aspiration des matières de la zone de travail (13).
  9. Dispositif d'aspiration selon la revendication 8, caractérisé en ce qu'un tiroir (65, 66), en particulier avec des ouvertures pour l'aspiration des matières, est disposé pour le retrait de matières solides et/ou liquides récupérées dans le double fond (45, 51), et de préférence le double fond (38, 45, 51) est connectable au raccord d'aspiration (30, 31, 32, 62, 73, 74) sur la face arrière (14) pour l'aspiration des matières de la zone de travail (13).
  10. Dispositif d'aspiration selon l'une des revendications précédentes, caractérisé en ce que l'élément fonctionnel (24, 25, 26, 27, 72) est conçu en tant qu'un plan de table, un poste de récupération de déchets, une étagère, une armoire, une station de pesage, un plan de travail, une table et/ou une planche escamotable, en particulier extensible, présentant une ouverture pour l'aération arrière dans la zone de la face arrière (14).
  11. Dispositif d'aspiration selon l'une des revendications précédentes, caractérisé en ce que l'élément fonctionnel (24, 25, 26, 27, 72) est conçu en tant que station de transfert et/ou de vidage, en particulier avec des parois doubles au moins partielles, de préférence un entonnoir (55) à paroi double étant prévu pour le transfert et/ou le vidage.
  12. Dispositif d'aspiration selon l'une des revendications précédentes, caractérisé en ce que l'élément fonctionnel (24, 25, 26, 27, 72) présente un raccord complémentaire (43, 52, 58) s'adaptant au raccord d'aspiration (30, 31, 32, 62, 73, 74), et/ou le moyen de retrait d'air (20, 21) est disposé dans l'élément de couverture (17), de préférence l'élément de couverture (17) présentant une ouverture d'aspiration, en particulier au-dessus de la zone de travail (13).
  13. Dispositif d'aspiration selon l'une des revendications précédentes, caractérisé en ce que dans la partie supérieure de l'ouverture d'accès (18) est montée une tôle de protection (84), et/ou la mesure de la hauteur de l'ouverture d'accès (18), en particuier ouverture non verrouillable, correspond à la distance du fond à l'élément de couverture (17) et la mesure de sa largeur correspond à la distance entre les deux parois latérales (15, 16) opposées l'une à l'autre.
  14. Dispositif d'aspiration selon l'une des revendications précédentes, caractérisé en ce que dans la partie supérieure de l'ouverture d'accès (18) et/ou dans la zone des parois latérales (15, 16) du caisson (11) une barre de soufflage (23) et/ou un moyen de projection de soutien (70, 71) est prévu, en particulier pour la déviation d'un flux de fluide en direction de l'espace interne (12) du caisson (11).
  15. Utilisation d'un dispositif d'aspiration selon l'une des revendications précédentes comme une cabine aspirée (10, 67, 77, 83) et/ou comme poste de travail en présence de matières dangereuses pour la manipulation de matières gazeuses, liquides et/ou solides, en particulier dans des laboratoires et/ou des locaux d'enseignement scientifique dans des écoles et/ou des universités.
EP09153697A 2008-02-26 2009-02-26 Dispositif d'aspiration de matières et utilisation d'un tel dispositif Not-in-force EP2095888B1 (fr)

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DE102008011161A DE102008011161B3 (de) 2008-02-26 2008-02-26 Vorrichtung zum Absaugen von Stoffen und Verwendung einer solchen Vorrichtung

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DE202010010362U1 (de) * 2010-07-16 2010-10-21 Wesemann Gmbh & Co. Kg Vorrichtung zum Sammeln flüssiger Abfallstoffe
DE202011051992U1 (de) 2011-11-16 2011-11-30 Weiss Gwe Gmbh Arbeitsplatzanordnung
FR2996212B1 (fr) 2012-10-01 2014-10-10 Spcm Sa Installation pour vider des sacs de produits pulverulents et procede mettant en œuvre l'installation
DE102014014063B3 (de) * 2014-09-29 2015-10-29 Weiss Gwe Gmbh Arbeitsplatzanordnung mit einem Reinraum
SE539939C2 (sv) * 2014-10-23 2018-01-30 Qleanair Scandinavia Ab Dragrum med perforerad vägg
CN108543797A (zh) * 2018-06-19 2018-09-18 中绿能汉郁（天津）科技有限公司 一种新型的通风柜
CN115608426B (zh) * 2022-11-18 2023-03-10 吉林省雨涵环境工程有限公司 一种废水循环除臭处理系统及处理方法

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US4548627A (en) * 1984-05-01 1985-10-22 Landy Jerome J Fume hood with modular blower and filter assembly
US5056422A (en) * 1990-08-09 1991-10-15 Hamilton Industries, Inc. Fume hood apparatus
DE4120545A1 (de) * 1991-06-21 1992-12-24 Hilbers Heinrich Fortluftsparender schadstoffabzug fuer raumbetrieb
DE4338382C2 (de) * 1993-11-10 2002-04-11 Wrt Laborbau Gmbh & Co Kg Als Abzug ausgebildetes Labormöbel
US6471579B1 (en) * 1999-02-16 2002-10-29 Mary Jane Blackshear Workstation for containing organic and inorganic vapor contaminants
DE20017731U1 (de) * 2000-10-16 2001-03-15 Reuter Martin Anordnung zum Absaugen von Schadstoffen
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TWI289645B (en) * 2003-07-29 2007-11-11 Alps Electric Co Ltd Clean bench
DE102004047439B4 (de) * 2004-09-15 2007-12-27 HiServ Gebäudedienstleistungen GmbH Raucherkabine, eingerichtet zur Absaugung von Tabakrauchgasen
DE102005047194B3 (de) * 2005-09-23 2007-04-19 GfP (Gesellschaft für Produktivitätsplanung und Produktentwicklung) mbH Moduleinheit zur Bildung eines Tischabzugs und deren Verwendung
EP1961494A4 (fr) * 2005-12-08 2010-02-17 Kinglion Finishing Equipment C Structure de traitement de dechets de machine de pulverisation
TWI284569B (en) * 2005-12-23 2007-08-01 Ind Tech Res Inst Full air-exchanging security cabinet

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DE502009000130D1 (de) 2010-12-02
DE102008011161B3 (de) 2009-06-04
ATE485116T1 (de) 2010-11-15

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