DE8632260U1 - Personnel cleaning station for installation in work areas - Google Patents

Description

Patent attorneys 4a30G0teraloh1.Vennstne«9.PcMtiact<24S2

Tetefcxi:(O 52 41) 130

Opl-lno. G.MeldaU Date H.-J.Strauß Une^Zetah«, K 1126 - jS/mS.

Personnel cleaning station for installation in work areas

The innovation concerns a cleaning station for

Installation in work areas in which dust-like contamination, in particular harmful work materials, which impair the health of employees and/or the work process, occur.

Many jobs involve dust-like contamination

, for example in all machining operations, but also ⁱⁿ thermal processes. These dusty contaminants usually pass into the air when released and

Company %

Kessler + Luch GmbH fj Rathonaustrasse 8 |

6300 Giessen 10

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can settle as airborne dust on the clothing, protective suits or bare skin of people working in this work area. If these people leave the work area, they carry the adhering contaminants with external

A typical example of this is the entrainment of dust-like heavy metal oxides, which are produced when soldering with lead or when processing lead-containing materials, alloys containing cathode or with a cathode coating. metals and are transported via the

Protective equipment can be carried into common rooms or even canteens. There they can lead to incooperation and thus endanger the health of the people working in the work area (and possibly other people too). Another example is grinding

filled surfaces which are then subjected to painting. It cannot be ruled out that the painters, when they leave their workplace or when they return to their workplace, the paint booth, return through the sanding

dust-contaminated air can burst on the screens located 1m around the paint booth. On this occasion, sanding dust settles on the work clothes, which can then settle in the paint booth (or on the paint stand) from the work clothes and the

Paint surface affected.

The innovation is now based on the task of creating a workplace (or its surroundings) to specify a set-up station in which the

Surface of a person, given by their work or protective clothing as well as the exposed body surface by means of an air stream and to separate the contaminants thus removed, whereby the

Air flow 1m essentially driven as recirculating air flow

becomes.

The solution to this problem is given by the characterizing part of the main claim. The housing, which has a housing opening in a surrounding outer wall on at least one side, has an interior with essentially circular ground plan, which at least

Part of the interior walls are enclosed. Li&eegr; passage allows entry into this interior space. Through at least two diametrically opposed, axially parallel propulsion nozzles, a

Fan sucked air into this interior

blow and drives a swirling flow in the form of a potential vortex, from which at least as much air is taken concentrically in the flow center as is supplied via the nozzles for stabilization. The nozzles can be used as a full-height

Slot nozzles can be designed, but they can also consist of individual slot nozzles that are arranged one below the other with small gaps between them and are distributed over the entire height.

To separate the impurities introduced into the swirl flow, a filter insert is installed upstream of the fan intake, which is advantageously designed as a cartridge with a filter element that can be inserted into the concentric intake opening. replaceable filter medium. Another

The possibility of separating the impurities carried away by the swirl flow is seen in the fact that filters are installed downstream of the fan exhaust, expediently as dividing filters in the pressure chamber.

Filter cells inserted between partition walls. These filter

cells are replaceable; they are placed in front of the filter openings provided in the partition wall using standard clamping devices and standard sealing frames and are tightened tightly. Replacing the filter cells is follows through maintenance doors, which are provided in the outer wall.

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can be seen. j

An advantageous embodiment of the drive nozzles is provided by the fact that the wall extensions of the disk passage to the circular interior in flow

are angled in the direction of the swirl flow and together with the inner walls form a nozzle gap that runs over the entire height of the interior. It is useful if the free edge of the inner wall ; folded over, bent over or rolled outwards

This deformation of this edge increases its stability, and also creates a quasi-inlet section for the jet nozzle. The jet nozzles are in the direction of the swirl flow downstream of the passage opening. This means

that in a dust cleaning station with only one opening (through which the cleaning station is entered and exited) the second drive nozzle is arranged diametrically opposite the first, without that it is assigned to a passage opening. If

the personnel cleaning station is built into a perimeter wall and used as a passage, two opposing inner wall passage openings are present and the second is diametrically opposite the first horizontal jet nozzle is automatically in the flow direction

downstream of the second passage opening.

A further development is provided by the fact that in the area of the passage and in the direction of flow switches on a

Stabilization nozzle is provided. This stabilization nozzle can also be used as a shield running over the entire height of the duct space or as a multitude of nozzles in an axial direction with little

Spacing of individual nozzles

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These stabilization nozzles generate an additional air flow that "shields" the area of the passage opening. It is also advantageous that the oral flow is forced towards the flow center by a deformation of the inner wall in the area of the stabilization nozzles. This deformation can be designed as a wall section with a continuously decreasing radius of curvature (which results in an apparent reduction in the interior diameter), but it can also be designed as a chord section that meets the wall extension at a right angle to the direction of passage and merges into it with a sharp edge. This bulge deforms the swirl flow in such a way that the shielding stabilization veil can perfectly adhere to the swirl flow and is guided by it. It is advantageous if the axial direction of the jet nozzles is designed to be pivotable towards the flow centre, at least in the area of the angular position "tangential". This is achieved in a simple manner by the stabilising nozzles being designed as a slotted passage in a roller and the roller being held in the area of the bulge by the inner wall or the wall extension adjoining the inner wall. Of course, it is also conceivable that the nozzle legs are linked to the inner wall in the area of the bulge and to the wall extension.

Both the propulsion nozzles and the stabilization nozzles are particularly advantageous if their width is in the ratio of 1:20 to 1:60 and the nozzle exit speed is between 10m/s and 30m/s. The aerodynamic conditions that arise in this way allow the swirl flow to be guided safely and - under

the influence of the plane jets from the stabilization nozzles also in the area of the passage openings. To calm the flow, flow straighteners can be installed in the gates of both the drive and the stabilization nozzles, which are advantageously made of

a large number of surfaces lying in the direction of flow are formed as a surface grid.

BpI of an advantageous export form is under the Interior of a completely closed intake chamber

in which the fan unit or units are arranged with free suction. In this design, no external fan is required, as it can be housed directly in the housing It is useful to use the outer walls as

Walls of the intake chamber should be used, which can be made smooth over the entire height. Within these intake chambers, the fan and drive motor are each mounted on supports and are oscillating.

Via flexible nozzles to the exhaust openings to the

Pressure chambers are flanged. This effectively dampens vibration and noise transmission, so that vibrations do not damage the structure of the entire cleaning station, including the seals that are secured in their seats. Do not affect the pressed filters and avoid excessive

Noise development in the area of the installation site is avoided.

Since the flat jets of the stabilizing nozzles are directed over the entire surface of the passage opening from the outside

In order to maintain equilibrium, the possibility of excess air being discharged must be provided for when induction air is sucked in. This is best done from the pressure chambers or the clean air chambers, which are equipped with appropriate overflow openings.

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are permitted. The overflow into an overflow chamber j allows pressure equalization between several clean air chambers or several pressure chambers, whereby the pressure equalization between the clean air chambers also causes a compensation of different pressure differences on the filters downstream of the fan unit and thus ensures equal pre-pressure for all slot nozzles. Adjustment or control grilles arranged in the overflow openings allow the pressure difference 1n the pressure chambers or in the clean air chambers compared to the overflow chamber (whose pressure 1m essentially corresponds to the ambient pressure) to be set so that the desired outlet speed in the slot nozzles is maintained. Automatic control, controlled by a pressure difference measuring device, is advantageous here. The excess air flows out of the overflow space via outlet grilles installed in the area of the ceiling or the side walls so that the air flowing out there can return to the area from which it was taken by injection.

If vibrations are imposed on the air flowing in the potential vortex, the cleaning effect is enhanced. According to one suggestion, vibrators are used immediately upstream of the slot nozzles, which interrupt the air flow periodically and thus introduce the vibrations into the swirl flow without a significant dead volume to compensate. Another possibility is to take a partial flow from the pressure chamber via a bypass line in which a vibrator is arranged and to introduce the partial air flow into the center of the potential vortex on the side opposite the air-permeable grate floor. This effectively reduces the vibrations in the central area of the potential vortex.

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§■ _ sam, o!ine that the superimposed sink flow is significantly |

j! is disturbed. This sink flow leads to ;

that the apparent flow direction appears to be inclined downwards by about 45° compared to the horizontal"

For installation in walls enclosing a work area

the cleaning station is advantageously set up as a through-station with passages facing each other. A pair of drive nozzles and a pair of stabilizing nozzles are provided, with each through-opening having a stabilizing nozzle on the inflow side of the swirl flow and a drive nozzle on the outflow side. The switching on and off of the through-station is expediently carried out by an on/off switch 15, with both

sides are equipped with switches and can be switched on on one side and off again on the other when walking through. It goes without saying that "switching on" here also means a higher speed when the fan

to save energy, it runs at reduced speed when not in use. The units are switched via a control box, which can also be equipped with a time relay, so that the running time (or the running time at high speed) can be set in time.

is limited, whereby the time relay also interacts with the drive motors of the fans via additional switching relays.

The essence of the innovation is illustrated in Fig. 1 to 8

shown in more detail by way of example.

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Fig. 1 a front view of a cleaning station with opened pressure chamber

Fig. 2 a side view of the cleaning station Fig. 3 Vertical section through a cleaning station

Fig. 4 horizontal section through the cleaning station according to IV-IV (Fig. 3) i

Fig. 5 horizontal section through the cleaning station according to V-V (Fig. 3) Fig. 6 horizontal section through the cleaning

station corresponding to VI-VI (Fig. 3)

Fig. 7 (schematic) flow pattern in the interior of the cleaning station

Fig. 1 shows the cleaning station with its

housing 1, whereby the intake chamber 5 containing the fans is shown open. The housing of the cleaning station 1 is surrounded by the outer wall 2.1, which has an opening 1·1 on at least one of the front sides. A passage leads from the opening 1.1

3.1 to the interior 3, which has a substantially circular cross-section. At the bottom, the interior is closed off by an air-permeable grate floor 5.1 and can be accessed via the grate floor 5.1. Next to the opening 1.1 is the on/off switch 17, a pressure differential

ference measuring device 18 and the switch box 17.1. It goes without saying that the switch box and the reference measuring device can also be positioned differently, but the on/off switch in this position is useful because it can be switched on when entering the cleaning station.

(or if the fan is constantly running at a reduced speed, it must be switched up). Below the middle part of the cleaning station, the suction chamber 5 is shown open, in which the fans 4 with their drive motors 4.1

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are arranged and belt drives 4.2 transfer the drive power of the motor 4.1 to the fan. To dampen vibrations, the fans are mounted on supports 4.3, with the interposition of

Vibration dampers 4.4. The exhaust nozzle 7 of the valve

lators is connected to the inlet openings 8.1 (Fig. 3) via an elastic sleeve 7.1. Below the interior 3 (Fig. 4) and limited in diameter to approximately the area of the core flow 22 (Fig. 7) is the inlet nozzle 5.2 is provided, through which the

The air sucked in by fans 4, after it has flowed through the grate floor 5.1, reaches the suction chamber 5. To clean this air, a filter insert 6 is connected downstream of the suction nozzle 5.1, which is a filter cartridge with cylindrically arranged filter medium 6.2

Above the middle part of the cleaning station, the housing has an overflow chamber 13, which expediently has discharge grilles 13.1 on the side of the housing provided with the openings 1.1.

Fig. 2 shows the cleaning station in side view,

where the housing 1, the suction chamber 5 and the overflow chamber 13 are provided with maintenance doors 19 so that all the units required for the operation of the cleaning station are accessible from the outside. To accommodate the

Maintenance doors or maintenance flaps 19 are in the

Corresponding openings are made in the outer wall 2.1; it goes without saying that sealing and clamping devices allow the tight and secure installation of the maintenance doors or flaps 19. In the side view In addition, the E1n/Off switches 17 can be seen,

which are arranged on both sides of this cleaning station, which is designed as a transit station.

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Fig. 3 shows the conditions corresponding to Fig. 1, but with a fully cut cleaning station and with an indication of the air currents. While in the lower part j of the suction chamber 5 the elastic members 4.4 and :

7.1 connected fans 4 with their drive j

aggregates 4.1 corresponds to the representation in Fig. 1, ' in the middle part the interior 3 with the indicated swirl flow can be clearly seen, as well as the cut inner walls 2.2 with a drive nozzle 15 and ; a stabilizing nozzle 16, the interior of which is

The area of the stabilizing nozzle 16 has a bulging deformation 14. The chamber formed between the outer wall 2.1 and the inner wall 2.2 is divided by a: partition wall 9 into a pressure chamber 8 and a clean air chamber 11 (Fig. 4), with the intermediate

wall 9 openings are provided which are equipped with filter cells 10. Above the middle part of the housing 1 is the overflow chamber which - unlike the cleaning station shown in Fig. 1 - an upwardly directed discharge opening 13.1, into which

an outflow grid 13.2 is used. This type of outflow is advantageous when the cleaning station is set up freely in 1m space, while the arrangement of the outflow shown in Fig. 1 grid can be used advantageously when the

cleaning station is designed as a walk-through station and installed in a wall surrounding the work area. The cutting lines IV-IV, V-V, VI-VI shown in Fig. 3 indicate the cutting planes for the

Figures 4, 5 and 6.

Fig. 4 shows a cross-section through the middle part of the housing, with the cleaning station shown as a through-station and openings 1.1 on two opposite sides of the outer wall 2.1.

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which open the passages 3.1 to the interior 3. The interior walls 2.2 which delimit the interior 3 with a substantially circular cross-section are continued via wall extensions 2.3 to the outer wall 2.1, whereby the transition from the wall extensions

2.2 to the inner wall offer the possibility of advantageously attaching the drive nozzles 15 and the stabilizing nozzles 16. The grate floor 5.1 which covers the passage - only partially shown as a grate - allows the visit to the cleaning station, on the other hand

it is permeable to air and thus allows the desired flow to develop. In the selected illustration, the propulsion nozzles 15 are formed by an overlap of the wall extensions 2.3 and the corresponding end the inner wall 2.2, whereby - to improve

the flow conditions and the stability of the edge the edge of the inner wall is bent. The drive nozzles 16 are shown as rollers inserted into corresponding roller holders, which - for example as a plastic injection Cast parts can be produced easily and economically

In the area of the stabilizing nozzles 16, the inner wall 2.2 deviates from the outline circle and is - by bending or stronger curvature - bulged out towards the center. The air flows to the propulsion nozzles and the

Stabilization nozzles via the air chamber 11,

which in turn are separated from the pressure chamber 8 by the partition walls 9 equipped with filters 10. The fans 4 arranged under the pressure chamber 8 blow the air they convey through the inlet

Flow openings 8.1 into the pressure chambers.

Fig. 5 shows the layout of the pressure chamber 8, surrounded by the wall 2.1. The two fans 4 with their exhaust nozzles 7 are arranged in the pressure chamber 8, as well as the drive motors 4.1 and the motor

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power transmitting belt drives 4.2. In the section plane (Fig. 3) is the filter unit 6, which in section shows the cylindrically arranged filter medium 6.2. Fig. 5 shows the overflow chamber 13 arranged above the middle part, where 1n is the diagram

position, the essential elements of the underlying middle section (Fig. 4) are shown in dashed lines. The overflow chamber 13 is not divided into parts and is connected to each of the clean air chambers 11 below it. (F1g. 3) via overflow openings 12.1. In the

Adjustment and control flaps 12.2 are advantageously arranged at overflow openings 12.1. This measure makes it possible to keep the pressures of all four clean air chambers 11 at the same pressure by appropriate overflow level. In dev Flg. 4 the maintenance

The holes 19 provided are shown; through these the filters 10 can be replaced. The maintenance openings in Figs. 5 and 6 have not been shown for better clarity.

Fig. 7 shows very schematically the flow in the interior 3 (Fig. 4), which is essentially driven by the jets 23 emerging from the propulsion nozzles 15. In the nozzles 15 there are flow straighteners 15.1 arranged, which are essentially horizontally aligned

which can also have a downward angle. In conjunction with the suction via the inlet nozzle 5.2 (Fig. 4), a substantially circular cross-section of air is formed in the interior. cut out a potential vortex whose Dral1 flow

area 21 surrounds a central sink flow area 22. Due to flow dynamics, the swirl flow must suck in ambient air 25 from the environment by induction; this induction air mixes with the beam air (which is indicated by a decrease in the blackening of the

flow arrows).

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This inflow increases the volume flow that is carried by the swirl flow; this excess must be discharged again via the outlet opening of the overflow chamber in order to maintain the flow equilibrium. weight. To stabilize the flow

the stabilizing nozzles 16 are used, which are also equipped with flow straighteners 16.1. The outflow direction of the stabilizing nozzles 16 is 1m in contrast to the driving nozzles 15 not in the direction of the tangent of the flow circle,

Rather, the direction of the jet emerging from the stabilization nozzle 16 is inclined by an angle ω against the tangent to the flow center. This leads to a deformation of the swirl flow in the area the mixing of the induction air, which the swirl

flow is stabilized. This stabilization effect is improved by the fact that deformations 14 are arranged upstream of the stabilization nozzles in the flow direction, which are shown in different catfish - 14' and 14.2' - are shown. The

bulging deformation 14' of the inner wall 2.2 is brought to the wall extension 2.3 as a stronger curve with a smaller radius of curvature, whereby the transition to the wall extension runs sharp-edged and the

Propulsion nozzle 16 opens directly next to this transition.

The propulsion nozzle 16 - shown here as a nozzle hinged on one side - can be pivoted so that the jet is directed at a flat angle to the flow deformed by the bulge 14'. The bulge 14.2' 1st formed by edging, whereby the effect

the flow deformation is the same. The length of both the drive nozzles 15 and the stabilizing nozzles 16 are expediently set in relation to the width S of the outlet slots, whereby the length the nozzles are about three times the exit width

carries.

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9 *

The cleaning station designed in this way ensures that the surface of a person is cleaned in the area of the swirl flow and that the removed particles are safely transported with the swirl flow into the area the suction nozzle. Separation of the

Particles in the filter upstream of the fan or in the fine filters downstream of the fan are thereby ensured. The swirl flow removes the particles within about 1 - 2 seconds, whereby the spiral has a pitch of about 45°.

The pressure conditions also ensure that no air is released from the swirl flow into the environment, but rather that air from the environment is sucked into the swirl flow and this air after cleaning in the filters through the

overflow openings. When the cleaning station is installed as a through-station in a wall enclosing the work area, pressure equilibrium is thus ensured when above each of the openings in the outer wall

an outlet opening is provided in the overflow chamber 1so that the air extracted from the respective area flows back into this area (at least lengthwise).

Claims (1)

Patent Attorneys I!.*" ! 4833*aöterioh»,Venritraee 9, PO Box 24 ·* ···· ***Telephone:(052*4l) *&idiagr;3054 CXpL-Ing. &THgr;.&Mgr;&thgr;&Igr;&agr;&bgr;&iacgr;&Igr; Date Opl-Phy^Y. H.-J.StraUß Unserzelchen K 1126 - jS/mS. Protection claims 1· Personnel cleaning station for installation in work areas in which dust-like contamination, in particular harmful substances that impair the health of the employed persons and/or the work process, arise, characterized by the following features: - a housing (1) having a housing opening (1.1) on at least one side, with a surrounding outer wall (2.1) and an inner wall/walls (2.2) dividing an interior (3) with a substantially circular floor plan, which in the area of the housing opening (1.1) have a Wall extensions Ct.3) forming a passage (3.1) are connected to the outer wall (2.1), wherein the interior (3) is provided with a grate floor (5.1) which is permeable to air at least in the area of a circular floor plan and can be walked through the passage (3.1), and wherein the Space(s) between the outer wall (2.1) and the inner wall(s) (2.2) are designed as pressure chambers (8.11), - a suction chamber (5) arranged under the housing (1) which is connected to the latter via an opening (5.2) concentric with the circular outline of the interior (3), - at least two diametrically opposed drive nozzles (15) arranged parallel to the axis, which are designed as spray nozzles over the entire height -2- " ² 7 .·· .·· K 1123-jS/rr of the interior (3) and which connect the pressure chamber(s) (8;11) with the interior (3) - at least one fan (4), the outlet of which is connected to the intake chamber (5) and the outlet of which is connected to the pressure chamber(s) (8). 2. Personnel cleaning station according to claim 1, characterized in that a filter insert (6) is connected upstream of the intake of the fan (4). 3. Personnel cleaning station according to claim 2, characterized in that the filter insert (6) is designed as a cartridge which can be inserted into the concentric opening (5.2). ^is · 4. Personnel cleaning station according to claim 3, characterized in that the filter medium (6.2) of the cartridge of the filter insert (6) is replaceable. 5. Personnel cleaning station according to one of the claims 1 to 4, characterized in that a filter unit (10) is connected downstream of the fan outlet. 6. Personnel cleaning station according to claim 5 , characterized in that in the pressure chambers (8, 11) separating partition walls (9) are provided and that these partition walls are provided with fine filter cells which form the filter (10) downstream of the blower of the fan, wherein one pressure chamber (8) is connected to the blower of the fan (4) and the separated Pressure chamber(s) (11) as clean air chamber(s) is/are provided with the drive nozzles (15), 7. Personnel cleaning station according to claim 6, characterized in that the filter cells of the downstream Filters (IU) are replaceable. - 3 - K 1123 - jS/rr 8. Personnel cleaning station according to claim 6 or 7, characterized in that the outer wall (2.1) is openably designed in the region of the downstream filters (10) provided with maintenance doors (20). 9. Personnel cleaning station according to one of the claims 1 to 8, characterized in that the drive nozzles (15) are formed between the inner wall (2.2) adapted to the circular outline and the corresponding? extension (2.3) in that the wall extension (2.3) overlaps the end of the inner wall (2.2) by a distance, whereby the width of the propulsion jet corresponds to this distance, whereby a propulsion nozzle (15) is arranged downstream of the passage (3.1) in the direction of flow. 10. Personnel cleaning station according to one of the claims 1 to 9, characterized in that in the region of the passage (3.1) and upstream of it in the flow direction over the entire height of the interior space (3) a Stabilization nozzle (16) provided 1st. 11. Personnel cleaning station according to claim 10, characterized in that the stabilizing nozzles (16) are designed as continuous nozzles over the entire height of the interior space (3). Slot nozzles are designed. 12. Personnel cleaning station according to claim 10 or 11, characterized in that the inner wall (2.2) in the region of the stabilizing nozzles (16) has a flow Flow center deflecting bulge (14). 13. Personnel cleaning station according to claim 12, characterized in that the bulge is designed as a chord section (14.1) aligned approximately at right angles to the passage (3.1). " ⁴ -. .·*..·· K 1123 - jS/rr is formed, which merges with sharp edges into the wall extension (2.3). : 14. Personnel cleaning station according to one of claims 10 to 13, characterized in that the stabilizing nozzles at least from the angular position "tangential" to the flow center, can be pivoted. C DataAn-AKtnA ¹ ! &eegr; 4 /iim/ie e+ »+· 4 &lgr;&lgr;&lgr; ar» KA A &eegr; At &Lgr; &lgr; *· \ir\v*c¥ aVi&nAan &PSgr; ^f AV ^* V ^7 ^^ VV ^^ Vl Fl ^^ V ^^ IVVV ^J UV VV ^J ^M ^JV Vt ^^ V ^^ VV VV ^&Lgr;^rf VV ^^ VVV ^^ VVV ^^ ^^ VV *\P V ^^ ^^ ^^ VV^^ VV^^ ^m VV Claims 1 to 14, characterized in that the The slot width of the drive and/or stabilizing nozzles (15; 16) designed as slot nozzles in relation to the diameter of the outline circle of the interior (3) is at least 1:20 and at most 1:60 and that the nozzle exit speed is in the range from 10 m/s to 30 m/s. 16. Personnel cleaning station according to one of claims 1 to 15, characterized in that the flow equalization device (15.1; 16.1) is integrated in the driving and/or stabilizing nozzles (15; 16) are connected in or upstream of them. 17. Personnel cleaning station according to one of the preceding claims 1 to 15, characterized in that the fan unit(s) (4, 4.1) are freely suctioning in the all closed suction chamber (5). 18. Personnel cleaning station according to claim 17, characterized in that the fan(s) (4) and the drive motor(s) are mounted in a vibration-damped manner and that the exhaust nozzle(s) of the fan(s) (4) are flanged to the inlet opening(s) (8.1) to the pressure chamber(s) (8) via elastic sleeves. 19. Personnel cleaning station according to one of the preceding claims 1 to 18, characterized in that in the K 1123 - jS/rr Overflow openings (13.1) are provided in the pressure chamber ceiling (12) of the pressure chambers (8) or clean air chambers (11). ! 20. Personnel cleaning station according to claim 19, characterized characterized in that each of the overflow openings (13.1) with can be closed completely or partially using an adjustment or control flap (12.2). 21. Personnel cleaning station according to claim 19 or 2ö, characterized in that the overflow openings in an overflow chamber (13) which is closed on all sides and is provided with an outflow grille (13.2). 22. Personnel cleaning station according to one of claims 1 to 21, characterized in that at least one A vibrator is provided that influences the air flow. 23. Personnel cleaning station according to claim 22, characterized in that the vibrator(s) drive and/or 2&Oacgr; or the stabilizing nozzles (15; 16) immediately before is/are switched on. 24. Personnel cleaning station according to claim 22, characterized in that a (4) or the pressure chamber (8) or the clean air chamber (11) connected bypass line, which takes over part of the air flow, the other end of which leads to the pressure chamber ceiling and there opens into the interior concentrically to the floor plan circle (3) and is equipped with the vibrator. 25. Personnel cleaning station according to one of the preceding claims 1 to 24, characterized in that the cleaning station has two passages (3.1) lying opposite one another. - 6 -. K 1123 - iS/rr 26. Personnel cleaning station according to claim 25, characterized in that an on/off switch (17) is arranged next to each of the two through openings (1.1) in the outer wall (2.1). 27. Personnel cleaning station according to one of claims 1 to 26, characterized in that a switch box (17) provided with a time relay is provided, The time relay interacts with the drive/s {4.1} of the fan/fans (4).