EP1395736B1 - Absaugvorrichtung für einen tunnel - Google Patents
Absaugvorrichtung für einen tunnel Download PDFInfo
- Publication number
- EP1395736B1 EP1395736B1 EP02778879A EP02778879A EP1395736B1 EP 1395736 B1 EP1395736 B1 EP 1395736B1 EP 02778879 A EP02778879 A EP 02778879A EP 02778879 A EP02778879 A EP 02778879A EP 1395736 B1 EP1395736 B1 EP 1395736B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction
- flap
- duct
- arrangement according
- extraction pipe
- 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.)
- Expired - Lifetime
Links
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
- A62C3/0221—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
Definitions
- the invention relates to a suction device according to the preamble of Claim 1.
- a device of the type mentioned is, for example, from the European Laid-Open Publication No. 1,081,331.
- a false ceiling above which is one of lateral walls with corresponding exhaust duct openings limited exhaust duct is located.
- the false ceiling are located laterally suction, which in turn with arranged below the false ceiling vortex hoods either via baffles or pipes in connection.
- the swirl hoods are located on the side walls of the tunnel.
- the device according to the German document DE 299 11 569 U1 a suction device for a tunnel.
- the known device initially has the disadvantage that it has a considerable tunnel cross-section requires, which is associated with significant costs in tunneling is.
- the known suction device is also relatively elaborately constructed and consists of a variety of components. Finally required just the subsequent assembly of the known suction a considerable Assembly time, whereby usually the tunnel during this time completely locked must become.
- Object of the present invention is therefore to provide a suction device of the above called type to provide the simple and inexpensive is easy and fast both in new buildings as well as in existing tunnels can be installed.
- the aforementioned object is achieved according to the invention by the characterizing Features of claim 1.
- This results in a combination of collection channel and vortex hood to a unit for the safe detection of the flue gases along the Tunnels in the smoke extraction system.
- a ventilation, d. H. the fresh air supply and exhaust air removal, along the entire tunnel for optimum tunnel ventilation is possible.
- the embodiment of the invention is a verygru tactilede and compact suction device provided, in which the vortex hoods are sandwiched between the upper and the lower boundary. Due to this compact design is only a very small footprint in the tunnel the suction device according to the invention required. For new construction of tunnel systems This can have a significant impact on manufacturing costs.
- the flat design of the suction device according to the invention also, to be retrofitted in many existing tunnels. Furthermore also, the structural design of the suction device according to the invention is very low. Because ultimately the vortex hoods along with the limitations of the channel form, more components and a complicated structure are not required.
- a suction device 1 for a tunnel 2 in particular for a Car tunnel. It is understood that the term tunnel is to be understood very broadly, ie also includes corridors and similar tunnel-like structures.
- the suction device 1 has a channel 3, which consists of an upper limit and a lower limit is limited. Furthermore, the suction device 1 has two vortex covers 4, 5.
- the vortex hoods 4, 5 between the upper limit and the lower boundary are arranged and that the channel 3 laterally of each one Whirl hood 4, 5, d. H. from the wall of the housing of the respective vortex hood 4, 5 is limited.
- the lower limit itself is as a lower substantially flat channel plate 6 and integral with the vortex hoods 4, 5 formed.
- the one-piece has been realized in this case, that the outer peripheral edges of the channel plate 6 are bent upwards and a Part of the two vortex hoods 4, 5 form.
- the upper boundary of the device 1 is formed by an upper channel plate 7, which is preferably also formed integrally with the swirl hoods 5, 6. ever according to the shape of the tunnel 2, the upper channel plate 7 is the shape of the tunnel 2 at the Assembly site adapted at least substantially. In the embodiment shown in Fig. 1 the upper channel plate 7 is curved outward. By use the upper channel plate 7 is not only an increase in stability, but also an optimal utilization of the available tunnel cross-section. there it is understood that in a rectangular tunnel, the upper channel plate is flat. Finally, the two vortex covers 4, 5, the lower channel plate 6 and the upper Duct plate 7 a pre-assembled modular unit.
- the device 1 has a Plurality of such assemblies, which are individual segments, adapted to the length of the tunnel 2 can be strung together.
- the suction device by virtue of the prefabricated units, it is possible in a short construction time, the suction device to assemble, not only in new tunnels, but also in Operating tunnels. It goes without saying that the channel cross-section the suction device 1 according to the invention and the optimal segment lengths the individual units according to the required extraction capacity, the tunnel length and the possibly existing cross stitches for the exhaust air duct to dimension. In the embodiment of FIGS. 3 and 4, however, is on the upper channel plate 7 has been omitted. The upper limit is therefore determined by the Tunnel ceiling formed.
- Each of the vortex hoods 4, 5 has a plurality of suction tubes 8, which consist of the respective vortex hood 4, 5 protrude directly into the channel 3. Will about the Suctioned channel 3, formed between adjacent suction 8 swirl with a high peripheral speed, resulting in a high dynamic and thus low static pressure in the region of the respective vortex hood 4, 5 lead, so that Exhaust gases can be sucked accordingly.
- About the individual suction tubes 8, which connect the channel with the vortex hood can supply both supply air than also exhaust air or flue gases in a fire dissipate. Depending on if one Supply air or an exhaust air operation is required and desired, are the suction device controlled fans assigned.
- the channel 3 has a central partition 9, through which the channel 3 divided into two sub-channels 10, 11 is.
- the sub-channel 10 is assigned to the vortex hood 4, while the sub-channel 11 of the swirl hood 5 is assigned.
- the division of the channel 3 in the sub-channels 10, 11 makes it possible to supply supply air via a sub-channel and over the other Subduct channel to dissipate exhaust air.
- the cold air drop and the rise of the warmer exhaust air support the tunnel ventilation. This is shown for example in FIG. 4, where supply air is supplied via the vortex hood 4 and exhaust air via the vortex hood 5 is dissipated. In this way, there is a cross ventilation in the tunnel 2.
- the other allows the division of the channel 3 into at least two sub-channels 10, 11, for example, to suck only a sub-channel, so that the whole suction then only a vortex hood is provided.
- a plurality of further sub-channels may be provided, wherein it then it is possible to determine individual sub-channels via correspondingly open cross-sections assigned vortex hood sections.
- FIG 3 a fire is shown, where the flue gases at the source, one shown Truck, due to the high temperature and the associated buoyancy ascend to the ceiling. There they are covered by the vortex hoods 4, 5 and through the Partial channels 10, 11 discharged. Then convey to the channel 3 and the Partial ducts 10, 11 connected smoke extraction fans safely into the flue gases Free.
- a sprinkler device 6a provided with a plurality of sprinkler nozzles 6b.
- the sprinkler device 6a can be provided as needed.
- the sprinkler 6a is not shown.
- the individual sprinkler nozzles 6b including the piping, not shown in detail for fluid supply (preferably water) firmly installed on the lower channel plate 6. It is present so that over the width of the lower channel plate 6 distributed a plurality of Sprinklerdüsen b are provided, which are aligned transversely to the tunnel longitudinal direction, so that thereby a preferably over the entire channel cross-section below the bottom channel plate 6 forming fluid or water fog results.
- This Veil increases safety against the passage of fumes into the air adjacent, non-smoky tunnel section.
- Spaced apart Springer nozzle sections and water fog formed thereof Fire sections are formed. It is understood that this has a corresponding Control device is to control.
- the sprinkler device 6a is in this case with the control device, not shown in detail coupled, so that individual nozzles or individual nozzle sections with a Plurality of nozzles can be selectively activated.
- the alignment must of the nozzles, as shown, necessarily be vertically downwards.
- the individual sprinkler nozzles 6b can also be arranged obliquely to the vertical be.
- the two outer sprinkler nozzles should be aligned so that Also a spraying of the tunnel walls is possible.
- a closure device 12 for closing and opening on demand Openings of the suction tubes 8 are provided, which makes it possible, the entire suction to focus on a specific vortex hood area, so that only about certain suction pipes is sucked off.
- the closure device 12 has in Fig. 1st not in detail, but in FIGS. 9 to 11 shown closure elements, for example in the form of rotary valves or sliders, according to FIG. 1 via a Connecting rod 13 are connected together.
- the connecting rod 13 serves for the common actuation of a plurality of closure elements. The operation can manually or automatically via a not shown in detail Control device done.
- the closure device 12 at least an opening drive over which the individual closure elements after release be operated.
- the individual closure elements is a targeted activation smoke extraction sections for controlling the respective closure elements possible. This advantage can be achieved not only in smoke extraction, but also in the ventilation, with a corresponding control a even distribution of fresh air through the regulation of the closure control per segment length is possible.
- the opening drive should be designed spring-safe are thermally, for example by pneumatically biased lifting cylinder triggering drop weights, direct spring preload or locking mechanisms in combination with a mechanical or magnetic release.
- the aforementioned control device can not only to open and close the Be provided closure elements, it preferably also serves to control a targeted extraction in the area of the fire site. This sets a corresponding Fire detection via appropriate measurement methods ahead, such as the measurement the temperature or heat radiation or line systems based on the Lasermeßtechnik.
- a targeted suction or ventilation should have a external, d. H. not arranged in the tunnel control center be provided, for example coupled with the fire department, so that a direct influence on the Smoke spreading from the control center is possible.
- FIGS. 5 to 8 show other embodiments of a device according to the invention 1 for detecting and exhausting air or other gases shown.
- the Suction device 1 also has two vortex covers, which in turn each a housing 22, which during operation of the device 1 a within the housing 22 forming vortex flow at least partially encloses.
- the housing 22 has an elongated shape, wherein the housing 22 for detecting or suction has an inflow opening 23 extending in the axial direction.
- the inflow opening 23 is in this case approximately downwards, while at directed to the embodiments shown in FIGS. 1 to 4 laterally upwards is open.
- the housing 22 itself has a substantially cylindrical Shape, wherein the cross-section narrows on one side. There is a kind here Aperture 24 provided.
- the housing may also be spiral or art be formed of a screw.
- the housing 22 open a plurality of suction openings 25.
- the suction openings 25 are present through suction tubes 8 formed, which protrude into the housing 22.
- the individual suction tubes 8 are connected via the channel 3 and the sub-channel 10 with a suction device 28.
- the device 1 is an injection device 29 for injecting a fluid in and / or in front of the housing 22 is assigned, so that a fine Spray gives.
- the injected fluid is usually around Water.
- the injected via the nozzle of the Eindüs excited fluid should preferably a mean drop diameter of less than 100 microns, in particular of less than 10 microns. Even a smaller drop diameter is possible. ever the smaller the diameter of the injected fluid droplets, the faster they become the injected fluid droplets are slowed down by the intake flow, deflected and then carried almost without slipping. At the same time increases with decreasing drop diameter the heat transfer rate, that is, the flue gases are faster cooled. Ultimately contributes to a smaller drop diameter that the sprayed mist is more swirling, which in turn has a positive effect on the Heat transfer affects.
- the detection volume flow at a given fan power is clearly through the reduction of the gas volume with cooling increases. This is especially true at Injection into the air stream to be sucked in immediately before the suction opening. Accordingly, the suction device according to the invention can also be much smaller be executed, which, as previously stated, especially for tunnels with small Cross sections is important.
- the suction power up to the factor 4 with the same efficiency can be reduced compared to comparable systems. In comparison with known ones Fans can due to the lower power consumption of the suction The operating costs are therefore significantly reduced.
- the Nozzles 30 are aligned with their nozzle axis transverse to the direction of vortex flow are.
- the nozzles 30 are thus directed to the center 31 of the vortex.
- Fig. 8 two other possibilities.
- the top of the two shown Nozzle 30 is with its nozzle axis in the direction of the vortex flow through Arrows 32 is aligned, while the lower nozzle 30 with its nozzle axis is aligned opposite to the direction 32 of the vortex flow.
- a nozzle 30 with such a Nozzle opening has been chosen that results in a strongly widening spray cone 33.
- the spray cone 33 each widen up more than 60 degrees.
- the arrangement of the nozzles and the drop distribution should be chosen so that the longest residence times of the individual drops in the region of the housing result.
- the orientation of the injection in Reference to the main flow direction at the nozzle it is also possible the orientation of the injection in Reference to the main flow direction at the nozzle to optimize. That's how it is depending on the application possible that in / or opposite or transversely to the direction of the vortex flow is injected.
- the drop spectrum should be a predominant Share of small to smallest fluid drops.
- the drop spectrum should be a predominant Share of small to smallest fluid drops.
- the very fine drops of liquid with diameters from up to a few nm to a few microns are due to their low weight entrained by the vortex flow and in the vortex to the suction point almost completely carried.
- the variety of small drops results in a very large fluid surface and thus causes the good heat transfer of the gas to Fluid.
- the drop spectrum should be a predominant share on larger fluid drops with an average diameter greater than 1 micron have, so that the majority of the injected liquid to the inside of the housing wall thrown, collected there and can be removed. In this way The housing is cooled, with larger, thrown outward particles in the Vortex flow is absorbed by the liquid, bound and removed.
- the individual nozzles 30th exactly in the middle between two adjacent suction openings 25 and suction tubes 8 are arranged.
- the individual nozzles 30 elsewhere on the housing 22 to arrange, for example in the field of end pages 34, 35 of the housing 22 or in the region of the suction pipes 8.
- the housing 22 extending collection and drainage channels 36, 37 are provided.
- the grooves 36, 37 are integral with the housing 22 formed. Both grooves 36, 37 have a predetermined inclination in the longitudinal direction, so that the collected fluid can drain.
- the collection and drainage channel 36 is a bulge 38 upstream, so that the turbulence, in the area the aperture 24 flows along the inner wall of the housing 22, at the Gutter 36 does not break off.
- the groove 37 is formed opposite the recessed inner wall of the housing 22 is recessed, and although also with the outer edge.
- a control or regulating device 38 provided by the fluid as needed, or even a dispersion gas can be supplied. So it is possible via the device 38, either only inject fluid, only dispersion gas or else gas dispersed with gas.
- the nozzles 30 are preferably designed as two-substance nozzles. These nozzles 30 are characterized in that the fluid and the gas supplied separately and then in the nozzle are mixed. Subsequently, the gas-dispersed fluid passes over a common nozzle opening. When using two-fluid nozzles and through a continuous flow of dispersion gas can pollute the Nozzle opening and thus a closure of the opening even when the injection is switched off of the fluid.
- the device 38 For control or regulation, the device 38 with the conveyors 39 for the fluid and 40 for the dispersion gas coupled. In this way, the Flow and thus control the injected amount of fluid and / or dispersion gas or regulate.
- control or regulating device 38 for controlling or regulating the desired droplet distributions, the exhaust gas temperatures and / or the housing temperatures intended. This can be at least essentially by the amount and / or the admission pressure of the fluid and / or the opening width of the nozzle openings then control.
- the absorbance measurement, the Humidity measurement or temperature measurement There may also be several measuring methods applied simultaneously.
- corresponding sensors are provided which in individual but not shown.
- each nozzle over the Control or regulating device can also be a plurality of Groups of nozzles may be provided, wherein one or more groups of nozzles can be controlled via the control or regulating device. Otherwise it is possible, corresponding flow control the individual nozzles or groups of nozzles assign, in this way, if necessary, at any point the respectively required Ensure mass flow.
- the Eindüs worn 29 in addition to the conveyors 39, 40 corresponding to the fluid or the dispersion gas supply lines 41, 42, via which the fluid or the gas is supplied to the nozzle 30.
- the Supply lines 41, 42 can be integrated into the housing 22 or also subsequently be grown.
- FIG. 9 is a perspective view of a portion of the suction tube 8 a Embodiment of the suction device 1 according to the invention shown.
- the suction tube 8 has a closure element acting within the suction tube. 8 arranged flap 51 of a closure device 12.
- the flap 51 is on one Shaft 52 rotatably mounted about its central longitudinal axis.
- This type of storage of Flap 51 offers the great advantage that both mass forces of the flap mass than also impulse changes of the air flow in approximation symmetrical to the valve axis attack.
- Only small actuating forces for adjusting the adjustment angle of the Flap required. This is especially true in the case where several flaps means a common drive to be adjusted.
- the total force of movement of all valves namely results from the summation of the restoring forces of each flap. at Symmetrical loading of the flaps with respect to their axis of rotation decreases the total force.
- the shaft 52 may be, for example, the connecting linkage 13 act. 1 shows the closure device 12 in the closed state, wherein the flap 51 at its peripheral edge 53 on the inner tube wall 54 of the suction tube 8 is created. It is essential that in the closed state of the closure device 12, the adjustment angle between the flap 51 and the central longitudinal axis the suction tube 8 is smaller or larger than 90 °, preferably less than 85 ° or larger ⁇ er 95 ° is.
- the flap is located in the closed state directly on the inner tube wall, wherein the inner Pipe wall forms the "stop". This makes it possible in a simple manner, the Completely seal the suction tube.
- the usually in the closed state of Closing device existing clearance between the flap and the inner tube wall is smaller or eliminated completely in the suction device according to the invention.
- the flap is free of play in the closed state on the pipe inner wall at. This helps that the flap the suction tube in the closed state largely completely sealed.
- the suction device For example, a shaft will escape through the bushings of a Suction tube mounted. Thereafter, the flap within the suction on the Shaft mounted and connected in the closed state with this captive become.
- the flap can also be articulated on one side on the inner tube wall be, wherein in the closed state of the closure device, the flap with its non-hinged side at an angle greater or less than 90 ° applied with respect to the central longitudinal axis of the suction tube on the inner tube wall can be.
- the inner tube wall 54 is preferably aligned, wherein the peripheral edge 53 of the flap 51 in the closed State circumferentially rests against the inner tube wall 54, that no gap between the flap 51 and the inner tube wall 54 is present. This ensures that that no further sealing lips or other aids for sealing the suction tube in the closed state of the flap are required. Especially in case of fire, d. H. with strong heating of the closure device, no longer exists the danger that melt as a result of high temperatures, the sealing lips and Stick with the flap or the pipe wall. In non-fire endangered businesses Of course, it goes without saying that it is not excluded, additional sealing elements provided. Moreover, the inner tube wall 54 is aligned in the region of the flap 51, i.e. designed step or stop free.
- the shaft 52 is preferably mounted with play in the suction tube 8. If it is due from temperature increases to different dimensions of the suction tube 8, the shaft 52 or used for supporting the shaft 52, not in detail should be shown bearing, the closure device 12 is in their Function not impaired. It is not shown, moreover, that to control the Closing device 12, in particular for controlling the shaft 52 and / or the Control of the flap 51 a not shown further control device provided can be.
- the control device for example, the adjustment angle between the flap and the central longitudinal axis of the suction tube are regulated exactly.
- the Control device is in particular designed such that the adjustment angle of the Flap over the adjustment range is infinitely adjustable. Otherwise, it makes sense if the control device is provided for activation via an external control center is. In conjunction with the control device should be a fire detection device be provided to automatically detect a fire and the targeted suction be able to initiate without delay in the area of the fire.
- the deviation of the cross-sectional shape of the flap 51 from the cross-sectional shape of the Suction tube 8 in the region of the flap 51 is formed by projecting both cross-sectional profiles on each other in Fig. 10.
- the suction tube 8 has a circular cross section.
- the flap 51 has an elliptical Cross-section, wherein the length of the smaller half-axis b of the ellipse of the inner radius r of the suction tube 8 substantially corresponds, while the length of the larger Semi-axis a of the ellipse is greater than the inner radius r of the suction tube 8. In the closed Condition therefore does not close the flap 51 perpendicular to the suction tube 8, but forming a deviating from 90 ° angle ⁇ 1, ⁇ 2.
- the optimum setting angle depends on various parameters.
- One too steep Employment can cause the flap to tilt more easily while being too flat Employment unfavorable for the throttling and adjustment of different opening cross-sections is.
- Convenient therefore inclinations between 85 ° and 60 °. in the built-in state of the flap 51 in the suction tube 8, the flap 51 to the Center longitudinal axis of the shaft 52 make a turn.
- the Flap 51 In the installed state is the Flap 51 arranged in the manner on the shaft 52 that the smaller half-axis b with the central longitudinal axis of the shaft coincides.
- FIG. 11 The installed state of the flap 51 in a suction tube 8 of the suction device according to the invention 1 is shown for a preferred embodiment with reference to FIG. 11.
- the flap 51 is located with their end faces 53rd on the inner tube wall 54 at.
- the closure device 12 is closed.
- the flap 51 is about its central longitudinal axis rotatably mounted on the shaft 52. With reference to its axis of rotation is the flap 51 divided into an upper and in a lower area, both areas preferably are divided areaymmetric. In the closed shown in Fig.
- Condition of the closure device 12 is the adjustment angle ⁇ 1 between the central longitudinal axis L of the suction tube 8 and the upper portion of the flap 51st more than 90 °, while the angle ⁇ 2 between the central longitudinal axis L of the suction tube 8 and the lower portion of the flap 51 is less than 90 °.
- the setting angle ⁇ 1 is the setting angle ⁇ 1 about 180 °, so that the flap 51st arranged on a horizontal plane in the amount of the central longitudinal axis L of the tube 8 is.
- the closure device and / or the flap and / or the suction tube and / or the bearings by means of which the flap within the Suction tube is mounted, made of a heat-resistant material, for example be made of a heat-resistant steel.
- the flap and / or the suction pipe and / or the bearings of the same material or of a material be made with at least similar thermal expansion coefficient.
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Forests & Forestry (AREA)
- Ecology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Lining And Supports For Tunnels (AREA)
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
Description
- Fig. 1
- eine perspektivische Querschnittsansicht eines Teils einer erfindungsgemäßen Absaugvorrichtung,
- Fig. 2
- einen Tunnelabschnitt mit eingebauter Absaugvorrichtung,
- Fig. 3
- eine Ansicht eines Tunnels mit eingebauter Absaugvorrichtung mit dargestellter Rauchausbreitung und -erfassung im Brandfall,
- Fig. 4
- einen Tunnelquerschnitt mit eingebauter Absaugvorrichtung und Darstellung einer Querlüftung,
- Fig. 5
- eine schematische Ansicht eines Teils der erfindungsgemäßen Absaugvorrichtung mit Fluid-Eindüsung,
- Fig. 6 bis 8
- schematische Querschnittsansichten weiterer Ausführungsformen von Teilen der erfindungsgemäßen Absaugvorrichtung,
- Fig. 9
- eine perspektivische Ansicht eines Teils eines Absaugrohres einer Ausführungsform der erfindungsgemäßen Absaugvorrichtung mit einer als Verschlußelement wirkenden Klappe,
- Fig. 10
- eine schematische Projektion der inneren Querschnittsfläche des Absaugrohres auf die Querschnittsfläche einer auf einer Welle gelagerten Klappe der Verschlußeinrichtung und
- Fig. 11
- eine Querschnittsansicht eines Teils eines Absaugrohres einer Ausführungsform der erfindungsgemäßen Absaugvorrichtung mit einer innerhalb des Absaugrohres angeordneten, als Verschlußelement wirkenden Klappe einer Verschlußeinrichtung.
Claims (14)
- Absaugvorrichtung (1) für einen Tunnel (2), insbesondere einen Autotunnel, mit wenigstens einem eine obere Begrenzung und eine untere Begrenzung aufweisenden Kanal (3) und mit zwei Wirbelhauben (4, 5), dadurch gekennzeichnet, daß die Wirbelhauben (4, 5) zwischen der oberen Begrenzung und der unteren Begrenzung angeordnet sind, daß der Kanal (3) seitlich von je einer Wirbelhaube (4, 5) begrenzt ist und daß eine Mehrzahl von Absaugrohren (8) aus der Wirbelhaube (4, 5) in den Kanal (3) ragen, wobei jede der beiden Seitenwände des Kanals (3) aus zumindest einem Bereich des Gehäuses jeweils einer der beiden Wirbelhauben (4, 5) gebildet wird und wobei über den Kanal (3) abgesaugt wird.
- Absaugvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die untere Begrenzung von einer unteren Kanalplatte (6) gebildet ist, die vorzugsweise einstückig mit den Wirbelhauben (4, 5) ausgebildet ist und/oder die obere Begrenzung von einer oberen insbesondere der Form des Tunnels (2) an der Montagestelle zumindest im wesentlichen angepaßten Kanalplatte (7) gebildet ist, die vorzugsweise einstückig mit den Wirbelhauben (4, 5) ausgebildet ist und/oder daß die Wirbelhauben (4, 5), die untere Kanalplatte (6) und die obere Kanalplatte (7) ein vormontierte modulare Baueinheit bilden.
- Absaugvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Kanal (3) eine vorzugsweise mittige Trennwand (9) zur Aufteilung des Kanals (3) in zwei Teilkanäle (10, 11) aufweist und/oder daß jeder Teilkanal (10, 11) einer Wirbelhaube (4, 5) zugeordnet ist und/oder daß ein Teilkanal (10, 11) zur Zuführung von Zuluft vorgesehen ist und der andere Teilkanal (10, 11) zu Abführung von Abluft vorgesehen ist und/oder daß im Kanal (3) eine Mehrzahl weiterer Teilkanäle vorgesehen sind und/oder daß die weiteren Teilkanäle über zu öffnende Querschnitte zur Zuordnung vorgegebener Wirbelhaubenabschnitte vorgegeben sind.
- Absaugvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Steuereinrichtung zur Steuerung einer gezielten Absaugung, insbesondere nur im Bereich einer Brandstelle vorgesehen ist und/oder daß eine insbesondere mit der Steuereinrichtung gekoppelte Branderkennungseinrichtung vorgesehen ist, und daß, vorzugsweise, zur Branderkennung die Temperaturmessung, die Messung von Wärmestrahlung und/oder Liniensysteme auf der Basis der Lasermeßtechnik vorgesehen sind.
- Absaugvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Absaugbetrieb und/oder Zuluftbetrieb derart einstellbar sind, daß an jeder Stelle des Tunnels (2) zumindest im wesentlichen gleiche Volumenströme ab- und/oder zugeführt werden.
- Absaugvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Sprinklereinrichtung (6a) mit einer Mehrzahl von Sprinklerdüsen (6b) vorgesehen ist und/oder daß die Sprinklerdüsen (6b) fest an der unteren Kanalplatte (6) installiert sind und/oder daß über die Breite der unteren Kanalplatte (6) verteilt eine Mehrzahl von etwa quer zur Tunnellängsrichtung ausgerichteten Sprinklerdüsen (6b) vorgesehen sind.
- Absaugvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens eine Eindüseinrichtung (29) zum Eindüsen eines Fluids in und/oder vor wenigstens eine Wirbelhaube (4, 5) vorgesehen ist, um einen Sprühnebel mit feinster Tropfenverteilung zu erzeugen.
- Absaugvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Verschlußeinrichtung (12) zum Öffnen und Schließen des Absaugrohres (8) vorgesehen ist, wobei die Verschlußeinrichtung (12) wenigstens eine innerhalb des Absaugrohres (8) angeordnete Klappe (51) als Verschlußelement aufweist, und wobei im geschlossenen Zustand der Verschlußeinrichtung (12) der Stellwinkel zwischen der Klappe (51) und der Mittellängsachse (L) des Absaugrohres (8) kleiner oder größer als 90°, vorzugsweise kleiner 85° oder größer 95° ist.
- Absaugvorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß eine Mehrzahl von Absaugrohren (8) vorgesehen ist, daß in jedem Absaugrohr (8) eine Verschlußeinrichtung (12) vorgesehen ist und daß einer Mehrzahl von Klappen (51) Verbindungselemente zur gemeinsamen Betätigung zugeordnet sind, wobei gemeinsam zu betätigende Klappen (51) auf einer Welle (52) angeordnet sind.
- Absaugvorrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß die Querschnittsfläche der Klappe (51) eine von der Querschnittsfläche des Absaugrohres (8) abweichende Form aufweist, wobei die Querschnittsfläche der Klappe (51) die Querschnittsfläche des Absaugrohres (8) in Richtung einer Längsachse der Klappe (51) überlagert, daß vorzugsweise, die Klappe (51) einen von der Kreisfonn abweichenden Querschnitt, vorzugsweise einen elliptischen Querschnitt und das Absaugrohr (8) einen kreisförmigen Querschnitt aufweist, wobei die Länge der größeren Halbachse der Ellipse größer als der Innenradius des Absaugrohres (8) ist und die Länge der kleineren Halbachse der Ellipse dem Innenradius des Absaugrohres (8) entspricht und daß, vorzugsweise, die kleinere Halbachse der Ellipse in Richtung der Mittellängsachse der Welle (52) angeordnet ist, wobei, vorzugsweise, die kleinere Halbachse der Ellipse auf der Mittellängsachse der Welle (52) angeordnet ist.
- Absaugvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß im geschlossenen Zustand der Verschlußeinrichtung (12) wenigstens eine Randkante (53) der Klappe (51), vorzugsweise alle Randkanten (53) an die innere Rohrwand (54) angelegt ist bzw. sind, daß, vorzugsweise, im geschlossenen Zustand der Verschlußeinrichtung (12) der Anlageverbund zwischen der Randkante (53) der Klappe (51) und der inneren Rohrwand (54) im wesentlichen selbstdichtend ist und daß, vorzugsweise, die innere Rohrwand (54) im Bereich der anliegenden Klappe (51) ausgefluchtet ist.
- Absaugvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Klappe (51) vorzugsweise um ihre Mittellängsachse drehbar auf einer Welle (52) in dem Absaugrohr (8) angeordnet oder schwenkbar an dem Absaugrohr (8) angelenkt ist, daß, vorzugsweise, die Welle (52) in dem Absaugrohr (8) mit geringem Spiel spielbehaftet gelagert ist und daß, vorzugsweise, der Stellwinkel der Klappe (51) in Abhängigkeit von der Anordnung der Klappe (51) im Absaugrohr (8) und/oder von der Länge des Absaugrohres (8) und/oder von dem Strömungsprofil vor und/oder hinter der Klappe (51) einstellbar ist.
- Absaugvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Verschlußeinrichtung (12) und/oder die Klappe (51) und/oder das Absaugrohr (8) und/oder die Lagerelemente aus einem hitzebeständigen Material hergestellt sind.
- Absaugvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Verschlußeinrichtung (12) automatisch und/oder manuell betätigbar ist und/oder daß eine Steuereinrichtung zur Steuerung der Verschlußeinrichtung (12) und/oder der Klappe (51) vorgesehen ist und/oder daß der Verschlußeinrichtung (12) wenigstens ein Öffnungsantrieb zugeordnet ist und daß, vorzugsweise, als Öffnungsantrieb pneumatisch federvorgespannte Schubzylinder, thermisch auslösende Fallgewichte, selbsttätiges Öffnen nach Freigabe durch Schwerkraft und/oder direkte Federvorspannung der Klappe (51) vorgesehen sind.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10128550 | 2001-06-13 | ||
DE10128550 | 2001-06-13 | ||
DE10136097 | 2001-07-26 | ||
DE10136097A DE10136097C2 (de) | 2001-06-13 | 2001-07-26 | Absaugvorrichtung für einen Tunnel |
DE10210102.7A DE10210102B4 (de) | 2002-03-08 | 2002-03-08 | Wirbelhaubenabsaugvorrichtung |
DE10210102 | 2002-03-08 | ||
PCT/EP2002/006113 WO2002101198A2 (de) | 2001-06-13 | 2002-06-05 | Absaugvorrichtung für einen tunnel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1395736A2 EP1395736A2 (de) | 2004-03-10 |
EP1395736B1 true EP1395736B1 (de) | 2005-08-17 |
Family
ID=27214470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02778879A Expired - Lifetime EP1395736B1 (de) | 2001-06-13 | 2002-06-05 | Absaugvorrichtung für einen tunnel |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1395736B1 (de) |
AT (1) | ATE302331T1 (de) |
WO (1) | WO2002101198A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO338760B1 (no) * | 2014-02-06 | 2016-10-17 | W Giertsen As | System og framgangsmåte for ventilasjon av fjellrom, samt en viftekonstruksjon |
NO20170240A1 (en) * | 2017-02-17 | 2018-08-20 | Tunnelsafety As | Active fire protection system for a tunnel |
CN112108440B (zh) * | 2020-10-13 | 2021-06-18 | 义乌市航英科技有限公司 | 一种门框式清洁降尘机 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1069658B (de) * | 1959-11-26 | J. M. Voith G.M.B.H., Heidenheim/Brenz | Belüftungsanordnung für unterirdische Verkehrstunnels | |
US4223832A (en) * | 1978-09-20 | 1980-09-23 | Mitco Corporation | Damper for an air distribution system |
DE3402814A1 (de) * | 1984-01-27 | 1985-08-01 | Werner 2952 Weener Wildeboer | Absperrvorrichtung gegen branduebertragung in lueftungsleitungen |
DE19533502A1 (de) * | 1994-09-01 | 1996-03-14 | Schoettler Lunos Lueftung | Brandschutzeinrichtung |
WO1997034096A1 (en) * | 1996-03-11 | 1997-09-18 | North American Manufacturing Company | Flow control valve with elongated valve member |
FR2778429B1 (fr) * | 1998-05-11 | 2000-07-21 | Yvroud Europ Des Fluides | Trappe de desenfumage pour galerie d'air de tunnel routier |
DE19837695C2 (de) * | 1998-08-19 | 2002-11-14 | Aestuver Sued Bauplatten Gmbh | Verfahren zum Herstellen einer Lüftungs- und/oder Entrauchungsdecke in einer tunnelförmigen Verkehrsanlage und Modul hierfür |
GB9821450D0 (en) * | 1998-10-03 | 1998-11-25 | Gatley Richard | Flow control means |
DE19919701B4 (de) * | 1998-10-22 | 2004-12-16 | Schulte, Günter | Rauchschutzeinrichtung für Gebäude |
DE29911569U1 (de) * | 1999-07-02 | 1999-09-30 | Heck, Jürgen, 53359 Rheinbach | Automatisches Brandschutzsystem für Verkehrstunnels |
ATE273444T1 (de) * | 1999-09-02 | 2004-08-15 | Rud Otto Meyer Gmbh & Co Kg | Verfahren und absauganlage zum entlüften bzw. rauchgasabsaugen in einem tunnel |
DE10026601C1 (de) * | 2000-05-30 | 2001-08-09 | Kessler & Luch Gmbh & Co Kg | Absaugvorrichtung |
-
2002
- 2002-06-05 WO PCT/EP2002/006113 patent/WO2002101198A2/de not_active Application Discontinuation
- 2002-06-05 EP EP02778879A patent/EP1395736B1/de not_active Expired - Lifetime
- 2002-06-05 AT AT02778879T patent/ATE302331T1/de active
Also Published As
Publication number | Publication date |
---|---|
EP1395736A2 (de) | 2004-03-10 |
WO2002101198A3 (de) | 2003-05-01 |
ATE302331T1 (de) | 2005-09-15 |
WO2002101198A2 (de) | 2002-12-19 |
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