EP2601927A1 - Dispositif d'aération pour salles blanches et salle blanche avec un tel dispositif - Google Patents

Dispositif d'aération pour salles blanches et salle blanche avec un tel dispositif Download PDF

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Publication number
EP2601927A1
EP2601927A1 EP12194642.0A EP12194642A EP2601927A1 EP 2601927 A1 EP2601927 A1 EP 2601927A1 EP 12194642 A EP12194642 A EP 12194642A EP 2601927 A1 EP2601927 A1 EP 2601927A1
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EP
European Patent Office
Prior art keywords
air
air supply
chamber
ventilation device
supply chamber
Prior art date
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Granted
Application number
EP12194642.0A
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German (de)
English (en)
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EP2601927B1 (fr
Inventor
Stefan Dipl-Ing. Monig
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M Schall GmbH and Co KG
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M Schall GmbH and Co KG
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Priority to PL12194642T priority Critical patent/PL2601927T3/pl
Publication of EP2601927A1 publication Critical patent/EP2601927A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0218—Flexible soft ducts, e.g. ducts made of permeable textiles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/108—Means providing sterile air at a surgical operation table or area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G10/00—Treatment rooms or enclosures for medical purposes
    • A61G10/02—Treatment rooms or enclosures for medical purposes with artificial climate; with means to maintain a desired pressure, e.g. for germ-free rooms

Definitions

  • the invention relates to a ventilation device for clean rooms, in particular for operating rooms, with an air supply chamber which is enclosed by chamber walls which are impermeable to air, at least one air inlet and a bottom, provided with a plurality of air outlet openings chamber wall, and with an air treatment and air conveying system, which is connected to the at least one air inlet of the air supply chamber via at least one air supply line, wherein the chamber walls of pliable material, eg Textile material, plastic film, textile-reinforced plastic film or plastic and / or metal-coated textile, exist and the air flow rate of the air conveyor system and the number and dimensioning of the air outlet openings are coordinated so that forms in their operation in the air supply chamber whose space shape stabilizing overpressure.
  • pliable material eg Textile material, plastic film, textile-reinforced plastic film or plastic and / or metal-coated textile
  • Clean rooms especially those used as operating rooms, usually receive an air supply, which leads to a slight overpressure in the clean room to prevent the ingress of untreated outside air.
  • a breakdown into classrooms I and II are made, where the space class I is again divided into Ia and Ib.
  • the space class I applies to operating rooms, space class Ia relates to those with low-turbulence displacement air ducting systems within a protected area in which operations take place and the instrument tables are positioned, and space class Ib for operating rooms with mixed flow or displacement airflow systems. The highest requirements are placed on the class Ia of the particle and germ entry in the protection area.
  • Turbulence poverty is determined by a degree of turbulence, which is a measure of the variations in air velocity relative to its mean (relative standard deviation). Low turbulence is assumed when the degree of turbulence is between 5% and 20%. This is called turbulent flow. A degree of turbulence of less than 5% is referred to as laminar.
  • the air supply chamber is connected via one or more air supply lines with an air conditioning and air conveying system, consisting of various air handling equipment, namely air conveyors that promote outdoor or recirculating air, multi-stage air filters and thermodynamic devices for influencing the temperature of the transported air. If necessary, this may include dehumidifiers, mist eliminators, heat recovery devices and silencers.
  • air conditioning and air conveying system consisting of various air handling equipment, namely air conveyors that promote outdoor or recirculating air, multi-stage air filters and thermodynamic devices for influencing the temperature of the transported air. If necessary, this may include dehumidifiers, mist eliminators, heat recovery devices and silencers.
  • Ventilators with walls of pliable material such as textile material
  • a ventilation device having a plurality of juxtaposed air supply chambers in the form of textile tubes made of air-permeable fabric, which are separated from each other and are connected upstream of a chamber which consists of a frame whose surfaces are covered with a textile fabric.
  • Into the chamber leads coming from an air conveyor system air supply line.
  • the DE 697 01 138 T2 discloses a ventilation device with juxtaposed, separate air supply chambers in the form of hoses with an upper, airtight tube half and a lower, porous tube half. Similar solutions show the JP 200 111 6334 A . US 6,280,320 , B1, US 6,953,396 B2 . US 5,143,595 A and EP 0 282 051 A2 , In the JP 200 201 2797 A a ventilation device is shown, in which a plurality of cuboid air supply chambers are arranged on a ceiling. Another ventilation device is the DE 602 09 897 D2 refer to.
  • tents such as those of the EP 1 229 187 A1 and DE 603 07 0945 T2 or at best airworthy containers are available or - as in the EP 1 229 188 A1 described - combinations thereof.
  • Tents in particular, have not yet been able to be adapted to meet the requirements of space class Ia, that is, they can carry out complicated operations with a high risk of infection, such as orthopedic and trauma surgery, neurosurgical and gynecological procedures, general surgery, etc.
  • the known ventilation devices as can be seen from the above-mentioned documents, are not suitable for this, even if they were adapted to the conditions in a tent or container.
  • the invention has for its object to provide a ventilation device that is particularly suitable for installation in tents and containers as well as easy and with little space transportable. Another, essential task is to make arrangements that ensures the most uniform possible outflow of air from the air supply chamber.
  • the air intake chamber which is preferably cuboid in its basic form, is composed of a plurality of adjacently arranged chamber sections each having a bottom chamber wall section, said chamber wall sections being convexly convex downward, and the chamber sections being separated by intermediate walls, the air permeable are formed.
  • the division into a plurality of adjacently arranged chamber sections with convexly curved bottom-side chamber wall sections results in a wave-shaped structure of the bottom-side chamber wall.
  • the chamber sections can form cylinders as a basic shape, but with adjacent cylinders run into each other, not linear, but border each other flat.
  • the separation of the chamber sections has proven by intermediate walls.
  • Their air permeability results in a uniform pressure distribution over the surface of the lower-side chamber wall, in particular if the intermediate walls have uniformly distributed air passage openings over their surface, preferably with a specific air permeability of 400 to 800 L / dm 2 ⁇ min. This can be done for example via an air-permeable fabric or knitted fabric or by means of a film with finely distributed air passage openings.
  • the flow resistance of the bottom-side chamber wall should be dimensioned so that in the air supply chamber despite the air outlet whose space shape stabilizing pressure preferably in the range of 100 to 200 Pa forms when the air conveyor system is in operation.
  • the provision of pliable material for the chamber walls does not exclude that stiffening elements are embedded in the pliable material, such as wires or the like, which give the air supply chamber a certain prestrain, without this resulting in significant extra weight, but still a folding and thus a Allow volume reduction of the air supply chamber.
  • a mixing chamber is arranged between the air supply line and the air supply chamber and extends over one side of the air supply line and into which the air supply line - preferably directed centrally to the air supply chamber and / or to the air supply chamber - opens out that the mixing chamber outer walls are made of airtight flexible material, For example, plastic film, textile-reinforced plastic film and / or metal-coated textile, wherein the air flow rate of the air conveyor system and the number and dimensioning of the air outlet openings of the air supply chamber are matched to one another such that in operation forms in the mixing chamber a space-stabilizing overpressure, and that the mixing chamber is divided into at least two in the air flow passage successive first and second mixing chamber sections, which are separated from each other by an air-permeable mixing wall, the has a specific air permeability over its surface - preferably uniform - wherein the air supply line opens into the first mixing chamber section and the second mixing chamber section opens
  • the basic idea of this alternative is to provide a mixing chamber on at least one of the end sides of the air supply chamber, which ensures uniform distribution of the air flowing in via the air supply line, so that the air transported in via the air supply line is distributed as uniformly as possible over its width before it enters the air supply chamber , This measure also contributes to a low degree of turbulence of the air emerging from the air supply chamber.
  • air-impermeable, limp material for the outer walls of the mixing chamber allows - as in the air supply chamber - a space-saving transport.
  • Plastic and / or metal-coated textile materials or plastic films can also be used here.
  • the air flow rate of the air conveyor system as well as the number and dimensions of the air outlet opening and the air supply chamber should also be coordinated with each other in such a way that during operation also in the mixing chamber forms a room shape stabilizing overpressure.
  • stabilizing elements such as wires or the like, are incorporated into the pliable material.
  • the air supply chamber is divided according to the first alternative into a plurality of juxtaposed chamber sections, it is advisable to arrange mixing chambers on the opposite, open end faces of the air supply between each air supply chamber and a local air supply, so that air flow in counterflow from both open end faces in the air supply chamber can.
  • This measure also promotes a uniform pressure distribution over the bottom-side chamber wall and thus an equally uniform outflow of air.
  • a particularly good distribution over the extension of the air supply chamber is achieved when the air supply line with an end portion into the mixing chamber extends, wherein the free end of the end portion is hermetically sealed, so it does not come to an air outlet in the direction of the air supply chamber, and the end portion is otherwise formed at least partially permeable to air with preferably uniform specific air permeability.
  • the entering into the mixing chamber air flow is then deflected at right angles and therefore distributed in the mixing chamber evenly in the width of the air supply chamber and only then enters this.
  • the uniformity of the inflow of the supplied air into the air supply chamber is further improved when the mixing chamber and the air supply chamber are separated by an air-permeable mixing wall serving as an air inlet with preferably uniform specific air permeability over the surface thereof.
  • the mixing wall can in turn be designed as air-permeable fabric or knitted fabric or as provided with finely distributed air passage openings film.
  • the mixing chamber sections can be arranged one behind the other in the plane of the air supply chamber. However, an arrangement has proved to be particularly advantageous over one another, and expediently such that the first mixing chamber section is arranged above the second mixing chamber section located at the level of the air supply chamber. The supplied air then flows first into the first mixing chamber section, where it is deflected at right angles downwards and then enters vertically into the second mixing chamber section in order to be redirected there again in the direction of the air feed chamber.
  • the ventilation device has such a low weight that it can easily be suspended in the ridge area of a tent without significantly reducing the snow load calculated for the tent.
  • Another advantage of the ventilation device according to the invention is that the air supply chamber and the mixing chamber (s) take during transport only a small volume of space, since they can be folded.
  • the dimensioning and distribution of the air outlet openings of the air supply chamber should always be designed in accordance with the air flow rate of the air conveyor that below the air supply chamber adjusts an air flow that meets the requirements of the space class Ia, that is at least turbulence or even better laminar. It is possible to provide a constant specific air permeability over the entire surface of the bottom-side chamber wall. However, it has proven to be particularly advantageous for the bottom-side chamber wall to be in a core area, for example in the dimensions of a standard operating table, and divide it into an edge region that at least partially, preferably completely surrounds the core region, wherein the bottom-side chamber wall has a higher specific air permeability in the core region than in the edge region.
  • the specific air permeability in the core region should be from 200 to 300 L / dm 2 ⁇ min and in the edge region from 150 to 200 L / dm 2 ⁇ min.
  • the air permeability in coordination with the air flow rate of the air conveyor system should be adjusted so that in the core area in 1, 2 m height to the ground a uniform air velocity of 0.2 to 0.4 mm / s and in the edge area also in 1, 2 m Height above the ground a uniform air velocity of 0.18 to 0.25 m / s prevail.
  • the air supply line or, if appropriate, the air supply lines are concerned, it is fundamentally possible to assemble them from rigid individual elements and thus to establish the connection between the air treatment and air delivery system to the air supply chamber.
  • Such an embodiment has the advantage that the air supply line or the air supply lines is or are very light and can be folded for their transport to a small volume or can.
  • the same material can be used as for the air-impermeable chamber walls of the air supply chamber, which does not exclude that one also uses other material for the air supply.
  • the pliable material also form-stabilizing elements can be embedded, for example, circumferentially extending wire rings that support the formation of the spatial shape of the air supply in the intended manner.
  • a further improvement can be achieved if in the air supply line preferably adjacent to the luftzu slaughter stationen end at least one over its cross-section going, preferably axially displaceable mixing grating is arranged, which preferably has hemispherical, conical or truncated cone shape.
  • This mixing grid leads to a first equalization of the air flow and to a temperature compensation, should the flow have a temperature gradient across the cross section.
  • the mixing grid should have a uniform air permeability over the surface. Again, particularly good results are achieved when the mixing grid is combined with the above-described other measures to equalize the air flow over the surface of the air supply chamber.
  • hang from the edges of the air supply chamber aprons preferably made of airtight textile material, which avoid lateral escape of the air emerging from the air supply chamber. It should range in the suspended state of the air supply chamber with its lower edge to about door height, for example, 2 m above the bottom of the clean room end. In any case, it should be ensured that the persons moving in the operating area are not hindered by the air skirt.
  • the air supply line should be designed to be long enough for the connection between the air supply chamber and the air treatment and air conveying system when it rests on the floor of the clean room. Such an adequate length of the air supply line makes it possible to park the heavy equipment of the air conditioning and air conveyor either on the floor itself or on consoles placed thereon, so that it does not require attachment to the side walls of the tent or the container at the height of the air supply chamber.
  • the air supply pipe should be so long that it is possible to arrange the air supply chamber at a height of more than 2.2 m, better still 2.7 m, calculated from the ground.
  • the air treatment and air conveying system can be formed in the manner required in each case according to customary standards, in particular according to DIN 1946-4.
  • the decisive factor is which room class is required.
  • the air conveying system can have at least one fresh air conveying device and at least one circulating air conveying device, of which Air supply line sections go out, which unite before entering the air supply chamber when a mixing chamber before this.
  • the air treatment plant may be provided with filtering devices and, if necessary, further air conditioning devices.
  • the fresh air conveyor can be equipped so that it is able to promote 1000 to 3000 m 3 / h of fresh air
  • the fresh air conveyor is additionally equipped with a controllable air conditioner with diesel or electric heating and a particulate filter box.
  • the circulating air conveyor may have a capacity of 4000 to 6000 m 3 / h and be equipped with an electric heater and a H13 particle filter.
  • the ventilation device on two opposite sides of the air supply chamber has an identical air treatment and air supply, so that the air supply chamber is acted upon from two opposite sides of uniformly and in countercurrent with air supply.
  • This relates in particular to the arrangement of the same units for the air treatment and air conveying system, the air supply line with air supply line sections if necessary and in particular the optionally provided arrangement of mutual mixing chambers, in which open the air supply lines and should then be designed according to identical. If - as described above - the air supply chamber, the optional mixing chambers and the air supply line (s) are made of pliable material, the weight of these parts of the entire ventilation devices be kept below 50 kg.
  • the transport of these parts of the ventilation device can then take place sterile in a plastic box under sterile.
  • a moisture indicator can be provided which indicates any leaks and thus the entry of moisture into the plastic box.
  • a particle counter is arranged below the air supply chamber, which is coupled to the air treatment and air conveying system in such a way that its delivery volume flow is increased when the particle number exceeds a specific threshold value, and this delivery volume flow is reduced again. if the particle number falls below the threshold again.
  • the ventilation device automatically reacts to a particle number, in particular bacterial counts, which is increased by movements of persons or other influences.
  • Flexible material is to be understood as meaning those materials which have no or only a low intrinsic stability such that the air supply chamber does not assume the intended spatial form without the excess pressure building up during operation.
  • the coordination between the air flow rate of the air conveyor and the opposite by the bottom side chamber wall air resistance must then be made so that despite the air outlet from the Air outlet openings within the air supply chamber forms such an overpressure that forms the predetermined by the blank of the chamber walls spatial form.
  • the air-permeable lower chamber wall since woven or knitted fabric are usually permeable to air, the air permeability on the thread thickness and thread density and the mutual involvement of the threads can be adjusted accordingly.
  • the specific air permeability should be between 150 and 300 L / dm 2 ⁇ min (measured - as all the air permeability values below and in the claims - according to ASTM D737 applying a pressure of 200 Pa). If the fabric or knitted fabric is to be used for air-impermeable chamber walls, it may be provided with a plastic coating which seals the gaps in the fabric or knitted fabric.
  • this coating should be provided at least on the inside and provide a smooth surface there.
  • the pliable material can be made of a fiber-free cotton polyester thread and provided on the inside with a laminated film of PE, PA or PU. Also advantageous is a fire-retardant equipment of the limp material.
  • a vapor-deposited metal coating can be provided or a metal foil can be laminated on.
  • a textile material but also a plastic film can be used, if necessary can also be provided with a reinforcement, for example by means of a textile material. If such a film should find use for the air-permeable chamber wall, air outlet openings of any shape, any cross-section and any distribution can be incorporated into the film.
  • the invention relates not only to a ventilation device and a clean room, especially in tent or container form, the clean room is provided with the above-described ventilation device such that the air treatment and air conveying system is supported on the floor of the clean room and the air supply chamber on the inside of the clean room above arranged to be ventilated by the air supply chamber protection area.
  • the arrangement may be made such that the air supply chamber is suspended on the inside of the clean room.
  • a ventilation device 1 is shown arranged within a clean room 2, wherein the clean room 2 is drawn only as a simple box.
  • the ventilation device 1 is particularly suitable for the arrangement in buildings of low stability, such as field tents or the like, but also for retrofitting of containers on site. This does not exclude that the ventilation device 1 is also installed in fixed buildings, for example, for the rapid production of an operating room in an emergency.
  • the clean room 2 here has cube shape and thus a bottom 3, a horizontal ceiling 4 and vertical side walls 5, 6, 7, 8.
  • Core of the ventilation device 1 is an air supply chamber 9 square outline, which is suspended horizontally suspended from the ceiling 4 of the clean room 2 (not shown).
  • the air supply chamber 9 consists of six juxtaposed, equally long chamber sections 10, 11, 12, 13, 14, 15, which have a cylindrical basic shape and therefore have both top side and bottom side barrel-like convex wall sections.
  • the distance between the longitudinal center axes of the chamber sections 10 to 15 is less than the diameter thereof, so that the chamber sections 10 to 15 lie flat against each other.
  • the chamber sections 10 to 15 are each completely separated by mixing walls 16, 17, 18, 19, 20, which are formed as air-permeable plastic fabric. Their height corresponds to the distance between two adjacent mixing walls 16 to 20.
  • the walls of the chamber sections 10 to 15 themselves consist of an air-permeable fabric, which is plastic-coated inside in the upper half, so that in this area no air permeability is given, but rather a smooth surface is offered on the inside. In the lower half of the fabric is uncoated, so that a plurality of Gutzaustrittsö réelleen is formed, which are evenly distributed over the surfaces.
  • a finer tissue with a lower specific air permeability at the bottom wall sections has been used for the two outer chamber sections 10, 11 and 14, 15, as for the two middle chamber sections 12, 13, the walls of a much coarser tissue with higher air permeability at consist of the lower wall sections.
  • the air supply chamber 9 is bounded laterally by her drooling skirts 21, 22, 23, 24, which is intended to prevent the bottom of the air supply chamber 9 outflowing air from escaping laterally.
  • the air supply chamber 9 is arranged so high that the lower edge of the aprons has approximately normal door height, so that people below the air supply chamber 9 can work without being hindered by the skirts 21 to 24.
  • the end faces of the chamber sections 10 to 15 are covered by mixed fabric 25, 26. These have an air permeability of 400 to 800 L / dm 2 ⁇ min. Attached to the two end faces are in each case a mixing chamber 27, 28 which are each divided horizontally into an upper, triangular mixing chamber section 29 or 30 and a lower mixing chamber section 31 or 32.
  • the lower mixing chamber sections 31, 32 are at the level of the chamber sections 10 to 15, ie via the mixing fabric 25 or 26 connection to the chamber sections 10 to 15.
  • the horizontal separation of the upper and lower mixing chamber sections 29 to 32 via an air-permeable blended fabric 33, 34 with an air permeability of 400 to 800 L / dm 2 ⁇ min.
  • the outer walls of the mixing chambers 27, 28 consist of an inside plastic-coated plastic fabric.
  • the central sections 47, 48 continue over the flanges 35 and 36, respectively, in an end piece 49, 50 and thereby pass through the upper mixing chamber sections 29 and 30, respectively, up to their opposite wall.
  • the end pieces 49, 50 are made of air-permeable blended fabric.
  • the flanges 35, 36 are centered, i. whose axis passes through a plane in which the middle mixing wall 18 is located.
  • the air supply line sections 39, 44 go to fresh air conveyors 53 and 54, which suck in fresh air from outside the clean room 2 via lines not shown here.
  • the remaining air supply line sections 40, 41, 42, 43 are connected to circulating air conveyors 55, 56, 57, 58, which suck air from the clean room 2.
  • Both the fresh air conveying devices 53, 54 and the circulating air conveying devices 55, 56, 57, 58 are equipped with air treatment devices, in particular with biofilters that meet the requirements of the space class Ia according to DIN 1946-4.
  • the fresh air conveying devices 53, 54 and the circulating air conveying devices 55, 56, 57, 58 are located on the floor 3 of the clean room 2.
  • the air supply chamber 9, the mixing chambers 27, 28 and the air supply lines 37, 38 because they have been used for their walls limp material, have only a very low intrinsic stability, they are on the ceiling 4 and the side walls 5, 6, 7, 8 of the clean room 2 held over not shown here bands or cords so that they occupy substantially the position shown. However, they do not assume the defined spatial shapes shown until the fresh air conveying devices 53, 54 and the circulating air conveying devices 55 to 58 are put into operation and thus have such a high overpressure in the air feed lines 37, 38, the mixing chambers 27, 28 and the air feed chamber 9 has formed that these parts of the ventilation device 1 are inflated, so to speak, and then obtained their final spatial form shown.
  • the overpressure should be in the range of 100 to 200 Pa.
  • the cleaned and, if necessary, thermally treated clean air introduced during operation into the air supply line sections 39, 44 passes via the mouth nodes 45, 46 into the central sections 47, 48.
  • a first forced mixing takes place to equalize the air temperature above Cross-section.
  • the clean air flows into the end pieces 49, 50 and enters from these via the porous cylinder wall in the upper mixing chamber sections 29, 30 with deflection by 90 °.
  • the clean air thus supplied is distributed transversely to the axis of the central sections 47, 48.
  • the clean air thus fanned out then flows vertically through the mixing fabrics 33, 34 into the lower mixing chamber sections 31, 32, whereby a homogenization over the longitudinal extent of the mixed fabrics 33, 34 occurs. In this way, it is ensured that the chamber sections 10 to 15 are supplied with substantially the same air volume flow components. This is still supported by the blended fabric 25, 26 at the front ends of the chamber sections 10 to 15.
  • the divergent outflow at the bottom of the air supply chamber 9 has the consequence that there is an operating lamp 59 is underflow there, so below this operation lamp 59 and in the area there people no dead flow area forms in which germs could collect stationary. Since the two middle chamber sections 12, 13 consist of a coarser tissue than the two outer chamber sections 10, 11 and 14, respectively, 15, the clean air flows out of the middle chamber sections 12, 13 at a higher air velocity than from the two respective outer chamber sections 10, 11 and 14, 15. The clean air flowing out there therefore forms a kind of air curtain, the ingress of air from outside prevented by the air supply chamber 9 protected area.
  • both transport and installation and uninstallation of the ventilation device 1 are very simple.
  • the aforementioned parts also take during transport only a little space, since they can be folded or folded.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ventilation (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Woven Fabrics (AREA)
EP12194642.0A 2011-12-06 2012-11-28 Dispositif d'aération pour salles blanches et salle blanche avec un tel dispositif Not-in-force EP2601927B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12194642T PL2601927T3 (pl) 2011-12-06 2012-11-28 Urządzenie wentylacyjne dla pomieszczeń czystych oraz pomieszczenie czyste z takim urządzeniem

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Application Number Priority Date Filing Date Title
DE202011052210U DE202011052210U1 (de) 2011-12-06 2011-12-06 Belüftungsvorrichtung für Reinräume sowie Reinraum mit einer solchen Vorrichtung

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EP2601927A1 true EP2601927A1 (fr) 2013-06-12
EP2601927B1 EP2601927B1 (fr) 2014-08-06

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EP12194642.0A Not-in-force EP2601927B1 (fr) 2011-12-06 2012-11-28 Dispositif d'aération pour salles blanches et salle blanche avec un tel dispositif

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EP (1) EP2601927B1 (fr)
DE (1) DE202011052210U1 (fr)
PL (1) PL2601927T3 (fr)

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DE102015225779A1 (de) 2015-12-17 2017-06-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Reinraumanordnung
DE102018100502A1 (de) 2017-02-01 2018-08-02 Innomat Gmbh Luftauslass
DE102022116468B3 (de) 2022-07-01 2022-12-29 Cellforce Group Gmbh Reinraumanordnung sowie Verfahren zur schnellen Bereitstellung eines Reinraumes und Verwendung der Reinraumanordnung

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DE2356780A1 (de) 1973-11-14 1975-05-22 Rotterdamsche Electriciteitsma Belueftungsanlage fuer operationsraeume
DE3208123A1 (de) 1981-08-21 1983-03-31 Dieter Dipl.-Ing 8031 Weßling Maus Verfahren und vorrichtung zum belueften von operationsraeumen
DE8516329U1 (de) 1985-06-04 1985-07-25 Krebs, Jörg-Peter, 4130 Moers Luftverteiler für Lüftungs- und Klimaanlagen
US4616558A (en) * 1984-11-01 1986-10-14 Total Air, Inc. Gaseous fluid distribution devices
EP0282051A2 (fr) 1987-03-12 1988-09-14 Alex Müller Véhicule tracteur ou remorque pour le transport de charges avec un compartiment de chargement refroidi par une installation de refroidissement à circulation d'air
US5143595A (en) 1990-02-03 1992-09-01 Basf Aktiengesellschaft Preparation of oxidation-stable and low-temperature-stable base oils and middle distillates
DE69701138T2 (de) 1996-04-25 2000-06-21 Unir Luftkanal mit textilartiger struktur und haube mit laminarer strömung
JP2001116334A (ja) 1999-10-20 2001-04-27 Ohbayashi Corp 吹出ダクト
US6280320B1 (en) 1999-07-13 2001-08-28 Rite-Hite Holding Corporation Frame to support a deflated fabric air duct
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EP1229187A1 (fr) 2001-02-05 2002-08-07 M. Schall GmbH + Co. KG Tente gonflable
EP1229188A1 (fr) 2001-02-05 2002-08-07 M. Schall GmbH + Co. KG Conteneur d'expédition
DE69915367T2 (de) 1998-12-02 2005-03-17 Johnson Medical Development Pte Ltd. Verfahren und vorrichtung zur lüftung eines reinraums
US6953396B2 (en) 2000-10-23 2005-10-11 Rite-Hite Holding Corporation Fabric flow restriction and method for conveying a volume of air
DE60209897D1 (de) 2001-05-14 2006-05-11 Acanthe S A R L Verfahren und vorrichtung zur diffusion einer schutzströmung unter inbetrachtziehung der umgebung
DE60307945T2 (de) 2002-08-02 2007-04-05 Edy S.R.L. Tragluftkonstruktion mit undurchlässigen Wänden, die die Ventilation ermöglichen
EP2181686A1 (fr) * 2008-10-31 2010-05-05 Airsonett AB Dispositifs et procédés d'aération de salle chirurgicale

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Publication number Priority date Publication date Assignee Title
DE2356780A1 (de) 1973-11-14 1975-05-22 Rotterdamsche Electriciteitsma Belueftungsanlage fuer operationsraeume
DE3208123A1 (de) 1981-08-21 1983-03-31 Dieter Dipl.-Ing 8031 Weßling Maus Verfahren und vorrichtung zum belueften von operationsraeumen
US4616558A (en) * 1984-11-01 1986-10-14 Total Air, Inc. Gaseous fluid distribution devices
DE8516329U1 (de) 1985-06-04 1985-07-25 Krebs, Jörg-Peter, 4130 Moers Luftverteiler für Lüftungs- und Klimaanlagen
EP0282051A2 (fr) 1987-03-12 1988-09-14 Alex Müller Véhicule tracteur ou remorque pour le transport de charges avec un compartiment de chargement refroidi par une installation de refroidissement à circulation d'air
US5143595A (en) 1990-02-03 1992-09-01 Basf Aktiengesellschaft Preparation of oxidation-stable and low-temperature-stable base oils and middle distillates
DE69701138T2 (de) 1996-04-25 2000-06-21 Unir Luftkanal mit textilartiger struktur und haube mit laminarer strömung
DE69915367T2 (de) 1998-12-02 2005-03-17 Johnson Medical Development Pte Ltd. Verfahren und vorrichtung zur lüftung eines reinraums
US6280320B1 (en) 1999-07-13 2001-08-28 Rite-Hite Holding Corporation Frame to support a deflated fabric air duct
JP2001116334A (ja) 1999-10-20 2001-04-27 Ohbayashi Corp 吹出ダクト
JP2002012797A (ja) 2000-04-27 2002-01-15 Dainippon Ink & Chem Inc 活性エネルギー線硬化性水性塗料組成物、該組成物の硬化塗膜を有する塗装金属材料、製造方法および塗装金属材料の接合方法
US6953396B2 (en) 2000-10-23 2005-10-11 Rite-Hite Holding Corporation Fabric flow restriction and method for conveying a volume of air
EP1229187A1 (fr) 2001-02-05 2002-08-07 M. Schall GmbH + Co. KG Tente gonflable
EP1229188A1 (fr) 2001-02-05 2002-08-07 M. Schall GmbH + Co. KG Conteneur d'expédition
DE60209897D1 (de) 2001-05-14 2006-05-11 Acanthe S A R L Verfahren und vorrichtung zur diffusion einer schutzströmung unter inbetrachtziehung der umgebung
DE60307945T2 (de) 2002-08-02 2007-04-05 Edy S.R.L. Tragluftkonstruktion mit undurchlässigen Wänden, die die Ventilation ermöglichen
EP2181686A1 (fr) * 2008-10-31 2010-05-05 Airsonett AB Dispositifs et procédés d'aération de salle chirurgicale

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DE202011052210U1 (de) 2012-12-19
PL2601927T3 (pl) 2015-01-30

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