EP0849008A2 - Ventilator unit for exhaust systems - Google Patents
Ventilator unit for exhaust systems Download PDFInfo
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- EP0849008A2 EP0849008A2 EP97890242A EP97890242A EP0849008A2 EP 0849008 A2 EP0849008 A2 EP 0849008A2 EP 97890242 A EP97890242 A EP 97890242A EP 97890242 A EP97890242 A EP 97890242A EP 0849008 A2 EP0849008 A2 EP 0849008A2
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- Prior art keywords
- air
- fan unit
- suction
- fans
- unit according
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
Definitions
- the invention relates to a fan unit for suction systems, with at least two Fans, each with at least one intake and at least one Have exhaust air line, and with at least one supply line for the air to be extracted, in or in front of the or each feed line a filter system for cleaning chips, Dust, pollutants or the like. Contaminated air is arranged.
- a device for extracting pollutants from at least two Pollution detection points are known, for example, from EP 332 093 A1.
- pollutant filter and pollutant collector form the pollutant extraction or the transfer of pollutants to a structural unit which has a plurality of line connections the assigned pollutant registration points with each individually assigned Connection lines are directly connected. For each pollutant registration point a line can be laid.
- the Energy adjustment takes place via a fan that can be regulated in terms of its output, which means that Efficiency of the fan can not be optimally used.
- EP 140 653 Al discloses a pollutant and dust extraction device through which the Extraction efficiency improved and the operating time between cleaning or Renewal of the filter can be extended.
- the one Fan extracted air separated into a main part and a secondary part.
- the dust is separated with the help of a filter and the cleaned air in returned the factory building.
- the pollutants and the through are bypass the filter of the main line transports separated dust into a waste container before this portion of the air is also returned to the factory building.
- An adaptation of the Energy consumption of the pollutant extraction at different operating conditions is not disclosed.
- DE 40 27 089 A1 shows a device for the disposal of air transportable Waste that is easy to manufacture and assemble and enables repair.
- To the device consists of a kit of individual modules that are flush with each other attachable module housings are provided.
- An adaptation to different operating conditions can be made up of several sub-modules by combining the modules.
- the fans are in front of the filter unit Raw gas area arranged. It is the contaminated air in the filter system blown in. Recently, the fans have often been placed behind the filter system. So the polluted air is sucked through the filter system.
- By arranging the Fans on the clean gas side can achieve a higher fan efficiency. the wear of the fans is kept low and the risk of explosion is minimized Particles in the air significantly reduced.
- a common line usually runs from the filter system, each into one Line to each fan is split. Individual lines lead to the fans a manifold that ends in a reversing flap for return air or exhaust air.
- the Clean air can be blown directly outside in summer or if necessary, e.g. during the Heating period can be returned to the factory building via the return air duct.
- the Different lines can be produced with great effort and require a higher one Maintenance. To shut off the lines when the fans are not in operation Pneumatic locks are arranged in the individual lines, which the Further increase manufacturing and maintenance costs.
- the object of the invention is therefore to provide a fan device for suction systems create which is easy to manufacture, has low susceptibility to failure and low maintenance requirement.
- the object of the invention is achieved in that all suction lines of all Fans and the or each supply line for the air to be extracted in a common airtight suction chamber open.
- This construction eliminates the cost-intensive Piping of the individual fans on the intake side. By eliminating Individual supply lines to the fans do not have to be in the individual lines Locking devices are provided, with which one in the event of non-operation Fan the associated line can be closed so that this line is not with Material is laid.
- the construction according to the invention is easier to manufacture, less prone to failure and requires less maintenance.
- the Exhaust air side of the fans i.e. on the pressure side, compared to the manufacturing effort conventional systems can be minimized.
- the arrangement of devices for sound damping in the collective exhaust pipe a reduction in the outside noise level. Especially when the air e.g. to It is important for heating purposes to be returned to the factory hall that no or only this will result a negligible noise level is caused. But also with the air line to the outside it is also essential, especially in built-up areas, to develop noise as much as possible to keep low.
- the suction lines of the fans are advantageously equipped with suction nozzles or the like. if necessary, provide a protective grille. This will reduce the intake pressure loss of the fan kept low and the safety grille ensures safety for maintenance personnel guaranteed.
- the airtight suction chamber and possibly also the air density Pressure chamber formed by a housing, the walls and connections of which are airtight are executed.
- both an airtight suction chamber and one Airtight pressure chamber can also be formed by a common housing be, the suction chamber and the pressure chamber airtight by a wall are separated from each other.
- the drive units, especially the drive motors, of the fans at least are partially arranged outside the housing so that they are accessible from the outside. is maintenance and replacement of the drive units are possible without great effort.
- the housings are advantageously lined on the inside with a sound-absorbing material or surround. This will lower the acoustic level in the case and after scored outside.
- the arrangement of at least one hermetically closable opening in the or each Housing enables maintenance work inside the or each housing, i.e. in the suction chamber or pressure room.
- a filter system e.g. a bag filter system, shown, which is connected to a main conveyor line 2, can be extracted from the individual processing machines via the chips, dust or the like.
- the extracted air is contaminated (chips, dust, Pollutants or the like) separated.
- the impurities are removed using a screw 3 Failure transported, discharged through a rotary valve 4 and depressurized via a Delivery line 5 e.g. transported to a silo or the like.
- the cleaned air is over a Feed line 6 transported to the fan unit 14. To the amount of air to the respective To be able to adapt requirements and thus save energy are to suck in the air several fans 7, 8, 9 arranged.
- Base load fan 7 the minimum necessary air requirement.
- two part-load fans 8, 9 are arranged, depending on the requirement can be switched on and off automatically.
- the polluted air sucked through the filter system 1.
- Only clean air is passed through the fans 7, 8, 9.
- a feed line 10 must be performed, which of the Manifold 6 is branched.
- the fans 7, 8, 9, in turn, over individual Discharges 11 led the air to a manifold 12, which led to a switching flap 13 arrives, which manages the switchover between return air and exhaust air.
- the Clean air can be blown directly outside in summer by means of the switch flap 13 and if necessary, e.g.
- the fan unit 14 which is surrounded by a broken line, comprises a complex duct system, which can be produced with great effort. Furthermore, the susceptibility to faults is higher and maintenance is more complex.
- Fig. 2 shows the fan unit according to the invention in a view from above.
- all suction lines 24 of all fans 7, 8, 9 and the or each supply line 6 in a common, airtight suction chamber 18.
- the suction chamber 18 formed by an airtight housing 15.
- the fans 7, 8, 9 are so in the outer wall the housing 15 arranged that their drive motors 16 easily accessible from the outside and easy to maintain or replace.
- suction nozzles 17 are arranged on the suction lines 24.
- the housing 15 is advantageously lined with a sound-absorbing material or surround, so that the acoustic level is reduced to the outside and also in the chamber.
- the Pressure chamber 22 is formed by a housing 15 '.
- the suction chamber 18 and the pressure chamber 22 can also be formed by a common housing 15, 15 ', wherein the suction chamber 18 and the pressure chamber 22 are airtight from one another by a wall 25 are separated. It is for the tightness of the pressure chamber 18 within the housing 15 necessary to make the foundation 19 airtight.
- An opening 23 is advantageously arranged in the or each housing 15, 15 ', so that Maintenance work in the pressure chamber 22 and the suction chamber 18 are carried out can.
- Devices for sound absorption can be arranged in the manifold 12. The cleaned air either passes into the atmosphere or into the manifold 12 the production hall back.
- the fan unit Through the fan unit according to the invention, only one feed line runs from the Filter system for the fan unit, which is accordingly easy to manufacture and maintain is. Ideally, only a single line also runs from the fan unit to the any switching flap.
- the number of fans arranged in the housing can be can be varied as required.
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- Ventilation (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
Die Erfindung betrifft eine Ventilatoreinheit für Absaugsysteme, mit mindestens zwei Ventilatoren, welche jeweils mindestens eine Ansaug- und jeweils mindestens eine Abluftleitung aufweisen, und mit mindestens einer Zuleitung für die abzusaugende Luft, wobei in bzw. vor der oder jeder Zuleitung eine Filteranlage zur Reinigung von mit Spänen, Staub, Schadstoffen od. dgl. behafteter Luft angeordnet ist.The invention relates to a fan unit for suction systems, with at least two Fans, each with at least one intake and at least one Have exhaust air line, and with at least one supply line for the air to be extracted, in or in front of the or each feed line a filter system for cleaning chips, Dust, pollutants or the like. Contaminated air is arranged.
In verschiedenen Industriesparten. insbesondere in der holzverarbeitenden Industrie. sind Systeme zum Absaugen der entstehenden Späne sowie Staub und ein Filtern der Luft notwendig. Üblicherweise ist eine Vielzahl von Maschineneinheiten vorhanden, wobei häufig nur ein Teil der Maschinen in Betrieb ist. Eine zentrale Absaugung. welche für das gleichzeitige Absaugen aller Anschlüsse ausgelegt ist, würde unnötig viel Energie verbrauchen. Daher wurden Absaugsysteme mit mehreren unabhängig voneinander regelbaren Anschlüssen entwickelt. Zur Energieeinsparung wurden mehrere Ventilatoren zur Absaugung angeordnet und je nach Bedarf zugeschaltet. Die variable Luftmenge hat ein Absinken der Luftgeschwindigkeit in der Hauptförderleitung zur Folge. Damit der einwandfreie Transport von Spänen und Staub nicht beeinträchtigt wird, wurden gemäß der AT 392 927 Strahlinjektoren um die Hauptförderleitung angeordnet, welche in gewissen Abständen Luft mit hoher Geschwindigkeit in die Hauptförderleitung einblasen und dadurch den Staub und die Späne zuverlässig zur Filteranlage weitertransportieren.In various industrial sectors. especially in the woodworking industry. are Systems for extracting the resulting chips as well as dust and filtering the air necessary. There are usually a large number of machine units, but often only some of the machines are in operation. A central suction. which for that Vacuuming all connections at the same time would require an unnecessary amount of energy consume. Therefore, suction systems with several independently controllable Connections developed. Several fans were used for extraction to save energy arranged and switched on as required. The variable air volume has a decrease in Air speed in the main conveyor line. So that the perfect transport is not affected by chips and dust, according to AT 392 927 Jet injectors arranged around the main delivery line, which air at certain intervals Blow into the main delivery line at high speed and thereby the dust and reliably transport the chips to the filter system.
Eine Einrichtung zum Absaugen von Schadstoffen an wenigstens zwei Schadstofferfassungsstellen ist bespielsweise aus der EP 332 093 A1 bekannt. Zum Zweck der besseren Anpassung des Energieverbrauchs der Schadstoffabsaugung an den jeweiligen Betriebszustand und zur Verbesserung des absaugtechnischen Wirkungsggrades der Schadstoffabsaugung bilden der Ventilator, Schadstoffilter und Schadstoffsammelbehälter bzw. Schadstoffübergabe eine Baueinheit, welche mehrere Leitungsanschlüsse aufweist, an die zugeordnete Schadstofferfassungsstellen mit jeweils einzeln zugeordneten Verbindungsleitungen unmittelbar angeschlossen sind. Pro Schadstofferfassungsstelle muß eine Leitung verlegt werden. Darüberhinaus sind an den Übergängen der Leitungen in den Sammeltrichter öffen- und schließbare Verschlußorgane angeordnet, mittels derer die Schadstofferfassungsstellen an den Sammeltrichter zuschaltbar oder davon trennbar sind. Die Energieanpassung erfolgt über einen in seiner Leistung regelbaren Ventilator, wodurch der Wirkungsgrad des Ventilators nicht optimal ausgenützt werden kann.A device for extracting pollutants from at least two Pollution detection points are known, for example, from EP 332 093 A1. For the purpose of better adaptation of the energy consumption of the pollutant extraction to the respective Operating state and to improve the suction efficiency of The fan, pollutant filter and pollutant collector form the pollutant extraction or the transfer of pollutants to a structural unit which has a plurality of line connections the assigned pollutant registration points with each individually assigned Connection lines are directly connected. For each pollutant registration point a line can be laid. In addition, at the transitions of the lines in the Openable and closable closure members arranged by means of which the Pollutant detection points can be switched on or separated from the collecting funnel. The Energy adjustment takes place via a fan that can be regulated in terms of its output, which means that Efficiency of the fan can not be optimally used.
Die EP 140 653 Al offenbart eine Schadstoff- und Staubabsaugeinrichtung, durch welche der Absaugwirkungsgrad verbessert und die Betriebszeit zwischen der Abreinigung bzw. Erneuerung der Filter verlängert werden kann. Zu diesem Zweck wird die durch einen Ventilator abgesaugte Luft in einen Hauptanteil und einen Nebenanteil getrennt. Über die Hauptleitung wird der Staub mit Hilfe eines Filters abgeschieden und die gereinigte Luft in die Werkshalle zurückgeführt. Über die Nebenleitung werden die Schadstoffe und der durch das Filter der Hauptleitung abgeschiedene Staub in einen Abfallbehälter transportiert, bevor auch dieser Anteil der Luft wieder in die Werkshalle zurückgeführt wird. Eine Anpassung des Energieverbrauchs der Schadstoffabsaugung an verschiedene Betriebszustände ist nicht offenbart.EP 140 653 Al discloses a pollutant and dust extraction device through which the Extraction efficiency improved and the operating time between cleaning or Renewal of the filter can be extended. For this purpose, the one Fan extracted air separated into a main part and a secondary part. About the Main line, the dust is separated with the help of a filter and the cleaned air in returned the factory building. The pollutants and the through are bypass the filter of the main line transports separated dust into a waste container before this portion of the air is also returned to the factory building. An adaptation of the Energy consumption of the pollutant extraction at different operating conditions is not disclosed.
Die DE 40 27 089 A1 zeigt eine Vorrichtung zur Entsorgung von mit Luft transportierbaren Abfällen, welche einfach herstellbar und montierbar ist und eine Reparatur ermöglicht. Dazu besteht die Vorrichtung aus einem Bausatz einzelner Module, die mit bündig aneinander ansetzbaren Modulgehäusen versehen sind. Eine Anpassung an verschiedene Betriebsverhältnisse kann durch Zusammensetzung der Module aus mehreren Untermodulen erfolgen.DE 40 27 089 A1 shows a device for the disposal of air transportable Waste that is easy to manufacture and assemble and enables repair. To the device consists of a kit of individual modules that are flush with each other attachable module housings are provided. An adaptation to different operating conditions can be made up of several sub-modules by combining the modules.
Bei den meisten bekannten Absaugsystemen sind die Ventilatoren vor der Filtereinheit im Rohgasbereich angeordnet. Es wird somit die verunreinigte Luft in die Filteranlage eingeblasen. In letzter Zeit werden die Ventilatoren häufig hinter der Filteranlage angeordnet. Es wird also die verunreinigte Luft durch die Filteranlage gesaugt. Durch die Anordnung der Ventilatoren auf der Reingasseite ist ein höherer Wirkungsgrad der Ventilatoren erzielbar. wird der Verschleiß der Ventilatoren gering gehalten sowie die Explosionsgefahr durch Partikel in der Luft deutlich reduziert. Darüber hinaus befinden sich alle materialführenden Anlagenteile im Unterdruckbereich, sodaß ein Staubaustritt bei undichten Rohren vermieden wird.In most known suction systems, the fans are in front of the filter unit Raw gas area arranged. It is the contaminated air in the filter system blown in. Recently, the fans have often been placed behind the filter system. So the polluted air is sucked through the filter system. By arranging the Fans on the clean gas side can achieve a higher fan efficiency. the wear of the fans is kept low and the risk of explosion is minimized Particles in the air significantly reduced. In addition, there are all material-carrying Parts of the system in the vacuum area, so that dust cannot escape from leaky pipes becomes.
Von der Filteranlage verläuft üblicherweise eine gemeinsame Leitung, welche in jeweils eine Leitung zu jedem Ventilator aufgeteilt wird. Nach den Ventilatoren führen Einzelleitungen zu einer Sammelleitung, die in einer Umschaltklappe für Rückluft bzw. Abluft endet. Die Reinluft kann im Sommer direkt ins Freie geblasen werden oder bei Bedarf, z.B. während der Heizperiode, über den Rückluftkanal in die Werkshalle zurückgeführt werden. Die verschiedenen Leitungen sind mit großem Aufwand hergestellbar und erfordern eine höhere Wartung. Zur Abriegelung der Leitungen, wenn die Ventilatoren nicht in Betrieb sind, müssen in den Einzelleitungen pneumatische Verriegelungen angeordnet werden, welche den Herstellungs- und Wartungsaufwand weiter erhöhen.A common line usually runs from the filter system, each into one Line to each fan is split. Individual lines lead to the fans a manifold that ends in a reversing flap for return air or exhaust air. The Clean air can be blown directly outside in summer or if necessary, e.g. during the Heating period can be returned to the factory building via the return air duct. The Different lines can be produced with great effort and require a higher one Maintenance. To shut off the lines when the fans are not in operation Pneumatic locks are arranged in the individual lines, which the Further increase manufacturing and maintenance costs.
Aufgabe der Erfindung ist es daher, eine Ventilatoreinrichtung für Absaugsysteme zu schaffen, welche leicht herstellbar ist, geringe Störanfälligkeit aufweist und geringer Wartung bedarf.The object of the invention is therefore to provide a fan device for suction systems create which is easy to manufacture, has low susceptibility to failure and low maintenance requirement.
Gelöst wird die erfindungsgemäße Aufgabe dadurch, daß alle Ansaugleitungen aller Ventilatoren und die oder jede Zuleitung für die abzusaugende Luft in eine gemeinsame luftdichte Saugkammer münden. Durch diese Bauweise entfällt eine kostenintensive Verrohrung der einzelnen Ventilatoren an der Ansaugseite. Durch den Wegfall von Einzelzuleitungen zu den Ventilatoren müssen in den Einzelleitungen auch keine Verriegelungseinrichtungen vorgesehen werden, mit welchen im Fall des Nichtbetriebs eines Ventilators die zugehörige Leitung verschlossen werden kann, damit diese Leitung nicht mit Material verlegt wird. Die erfindungsgemäße Konstruktion ist einfacher herstellbar, weniger störungsanfällig und bedarf geringerer Wartung.The object of the invention is achieved in that all suction lines of all Fans and the or each supply line for the air to be extracted in a common airtight suction chamber open. This construction eliminates the cost-intensive Piping of the individual fans on the intake side. By eliminating Individual supply lines to the fans do not have to be in the individual lines Locking devices are provided, with which one in the event of non-operation Fan the associated line can be closed so that this line is not with Material is laid. The construction according to the invention is easier to manufacture, less prone to failure and requires less maintenance.
Vorteilhafterweise münden auch alle Abluftleitungen aller Ventilatoren und mindestens eine Sammelabluftleitung in eine gemeinsame, luftdichte Druckkammer. Somit kann auch an der Abluftseite der Ventilatoren, also an der Druckseite, der Herstellungsaufwand gegenüber herkömmlichen Systemen minimiert werden.Advantageously, all the exhaust air lines of all fans and at least one also open Collective exhaust pipe in a common, airtight pressure chamber. Thus, also at the Exhaust air side of the fans, i.e. on the pressure side, compared to the manufacturing effort conventional systems can be minimized.
Durch die Anordnung von Rückschlagklappen od. dgl. an allen Abluftleitungen aller Ventilatoren wird verhindert, daß aus der Druckkammer bzw. von außen Luft in die Saugkammer gelangt. By arranging check valves or the like on all exhaust air ducts of all Fans are prevented from getting air into the pressure chamber or from outside Suction chamber arrives.
Die Anordnung von Einrichtungen zur Schalldämpfung in der Sammelabluftleitung bewirkt eine Absenkung des nach außen gelangenden Lärmpegels. Gerade dann, wenn die Luft z.B. zu Heizzwecken in die Werkshalle zurückgeleitet wird, ist wichtig, daß dadurch kein bzw. nur ein vernachlässigbarer Lärmpegel verursacht wird. Aber auch bei der Luftleitung nach außen ist es insbesondere in verbautem Gebiet ebenfalls wesentlich, die Lärmentwicklung möglichst gering zu halten.The arrangement of devices for sound damping in the collective exhaust pipe a reduction in the outside noise level. Especially when the air e.g. to It is important for heating purposes to be returned to the factory hall that no or only this will result a negligible noise level is caused. But also with the air line to the outside it is also essential, especially in built-up areas, to develop noise as much as possible to keep low.
Vorteilhafterweise sind die Ansaugleitungen der Ventilatoren mit Ansaugdüsen od. dgl. allenfalls mit Schutzgitter versehen. Dadurch wird der Ansaugdruckverlust des Ventilators gering gehalten und durch das Schutzgitter eine Sicherheit für Wartungspersonal gewährleistet.The suction lines of the fans are advantageously equipped with suction nozzles or the like. if necessary, provide a protective grille. This will reduce the intake pressure loss of the fan kept low and the safety grille ensures safety for maintenance personnel guaranteed.
Vorteilhafterweise wird die luftdichte Saugkammer und gegebenenfalls auch die Luftdichte Druckkammer durch ein Gehäuse gebildet, deren Wände und Verbindungen luftdicht ausgeführt sind. Bei der Anordnung sowohl einer luftdichten Saugkammer als auch einer luftdichten Druckkammer können diese auch durch ein gemeinsames Gehäuse gebildet werden, wobei die Saugkammer und die Druckkammer durch eine Wand luftdicht voneinander getrennt sind.Advantageously, the airtight suction chamber and possibly also the air density Pressure chamber formed by a housing, the walls and connections of which are airtight are executed. When arranging both an airtight suction chamber and one Airtight pressure chamber can also be formed by a common housing be, the suction chamber and the pressure chamber airtight by a wall are separated from each other.
Wenn die Antriebseinheiten, insbesondere die Antriebsmotoren, der Ventilatoren zumindest teilweise außerhalb des Gehäuses angeordnet sind, daß diese von außen zugänglich sind. ist die Wartung sowie der Austausch der Antriebseinheiten ohne großen Aufwand möglich.If the drive units, especially the drive motors, of the fans at least are partially arranged outside the housing so that they are accessible from the outside. is maintenance and replacement of the drive units are possible without great effort.
Vorteilhafterweise sind die Gehäuse innen mit einem schalldämmenden Material ausgekleidet oder umgeben. Dadurch wird eine Senkung des akustischen Pegels im Gehäuse und nach außen erzielt.The housings are advantageously lined on the inside with a sound-absorbing material or surround. This will lower the acoustic level in the case and after scored outside.
Die Anordnung mindestens einer luftdicht verschließbaren Öffnung in dem oder jedem Gehäuse ermöglicht Wartungsarbeiten im Inneren des oder jedes Gehäuses, also im Saugraum oder Druckraum. The arrangement of at least one hermetically closable opening in the or each Housing enables maintenance work inside the or each housing, i.e. in the suction chamber or pressure room.
Weitere Erfindungsmerkmale sind in den beigefügten Zeichnungen dargestellt und in der
Folge näher erläutert. Darin zeigen in vereinfachter Darstellung
In dem in Fig. 1 dargestellten Absaugsystem der üblichen Bauart ist eine Filteranlage 1, z.B.
eine Schlauchfilteranlage, dargestellt, welche mit einer Hauptförderleitung 2 verbunden ist,
über die Späne, Staub od. dgl. von den einzelnen Bearbeitungsmaschinen abgesaugt werden.
In der Filteranlage 1 wird die abgesaugte Luft von den Verunreinigungen (Späne, Staub,
Schadstoffe od. dgl.) getrennt. Die Verunreinigungen werden mit Hilfe einer Schnecke 3 zum
Ausfall befördert, durch eine Zellenradschleuse 4 drucklos ausgetragen und über eine
Förderleitung 5 z.B. in einen Silo od. dgl. abtransportiert. Die gereinigte Luft wird über eine
Zuleitung 6 zur Ventilatoreinheit 14 transportiert. Um die Luftmenge an die jeweiligen
Erfordernisse anpassen zu können und somit Energie zu sparen, sind zum Ansaugen der Luft
mehrere Ventilatoren 7, 8, 9 angeordnet. Im dargestellten Beispiel deckt ein
Grundlastventilator 7 den mindestens notwendigen Luftbedarf ab. Zur zusätzlichen Erhöhung
der Luftmenge sind zwei Teillastventilatoren 8, 9 angeordnet, die je nach Erfordernis
automatisch zu- und abgeschaltet werden. Nachdem die Ventilatoren 7, 8, 9 aus den oben
erwähnten Gründen hinter der Filteranlage 1 angeordnet sind, wird die verschmutzte Luft
durch die Filteranlage 1 gesaugt. Über die Ventilatoren 7, 8, 9 wird nur Reinluft geführt. Zu
jedem Ventilator 7, 8, 9 muß eine Zuleitung 10 geführt werden, welche von der
Sammelleitung 6 abgezweigt wird. Von den Ventilatoren 7, 8, 9 wiederum wird über einzelne
Ableitungen 11 die Luft zu einer Sammelleitung 12 geführt, welche zu einer Umschaltklappe
13 gelangt, welche die Umschaltung zwischen Rückluft und Abluft bewerkstelligt. Die
Reinluft kann im Sommer mittels der Umschaltklappe 13 direkt ins Freie geblasen werden
und bei Bedarf, z.B. im Winter, über einen Rückluftkanal in die Werkshalle zurückgeführt
werden. Die strichliert umrandete Ventilatoreinheit 14 umfaßt ein komplexes Leitungssystem,
welches mit großem Aufwand herstellbar ist. Darüberhinaus ist die Störungsanfälligkeit höher
und die Wartung aufwendiger. In the suction system of the usual type shown in Fig. 1, a filter system 1, e.g.
a bag filter system, shown, which is connected to a
Fig. 2 zeigt die erfindungsgemäße Ventilatoreinheit in der Ansicht von oben.
Erfindungsgemäß münden alle Ansaugleitungen 24 aller Ventilatoren 7, 8, 9 sowie die oder
jede Zuleitung 6 in eine gemeinsame, luftdichte Saugkammer 18. Die Saugkammer 18 wird
durch ein luftdichtes Gehäuse 15 gebildet. Die Ventilatoren 7, 8, 9 sind so in der außenwand
des Gehäuses 15 angeordnet, daß ihre Antriebsmotoren 16 von außen leicht zugänglich und
somit leicht zu warten bzw. auszutauschen sind. Zur Verringerung des Ansaugdruckverlustes
der Ventilatoren 7, 8, 9 sind an den Ansaugleitungen 24 Ansaugdüsen 17 angeordnet.
Vorteilhafterweise ist das Gehäuse 15 mit einem schalldämpfenden Material ausgekleidet oder
umgeben, sodaß der akustische Pegel nach außen und auch in der Kammer gesenkt wird.Fig. 2 shows the fan unit according to the invention in a view from above.
According to the invention all
In der Ansicht gemäß Fig. 3 ist ersichtlich, daß alle Abluftleitungen 20 aller Ventilatoren und
eine Sammelabluftleitung 12 in eine gemeinsame, luftdichte Druckkammer 22 münden. Die
Druckkammer 22 wird durch ein Gehäuse 15' gebildet. Natürlich können die Saugkammer 18
und die Druckkammer 22 auch durch ein gemeinsames Gehäuse 15. 15' gebildet sein, wobei
die Saugkammer 18 und die Druckkammer 22 durch eine Wand 25 voneinander luftdicht
getrennt sind. Für die Dichtheit der Druckkammer 18 innerhalb des Gehäuses 15 ist es
notwendig, das Fundament 19 luftdicht auszuführen. Vorteilhafterweise werden alle
Abluftleitungen 20 aller Ventilatoren 7, 8, 9 mit Rückschlagklappen 21 od. dgl. ausgestattet.
Die Rückschlagklappen 21 od. dgl. haben Ventilwirkung, daß aus der Druckkammer 22 in die
Saugkammer 18 keine Luft gelangen kann und somit kein Druckausgleich stattfinden kann.
Vorteilhafterweise ist in dem oder jedem Gehäuse 15, 15' eine Öffnung 23 angeordnet, sodaß
Wartungsarbeiten in der Druckkammer 22 und der Saugkammer 18 durchgeführt werden
können. In der Sammelleitung 12 können Einrichtungen zur Schalldämpfung angeordnet sein.
Die gereinigte Luft gelangt über die Sammelleitung 12 entweder in die Atmosphäre oder in
die Fertigungshalle zurück.In the view according to FIG. 3 it can be seen that all
Durch die erfindungsgemäße Ventilatoreinheit verläuft nur eine Zuleitung von der Filteranlage zur Ventilatoreinheit, welche dementsprechend leicht herzustellen und zu warten ist. Von der Ventilatoreinheit verläuft im Idealfall ebenfalls nur eine einzige Leitung zur allfälligen Umschaltklappe. Die Anzahl der im Gehäuse angeordneten Ventilatoren kann entsprechend den Anforderungen beliebig variiert werden.Through the fan unit according to the invention, only one feed line runs from the Filter system for the fan unit, which is accordingly easy to manufacture and maintain is. Ideally, only a single line also runs from the fan unit to the any switching flap. The number of fans arranged in the housing can be can be varied as required.
Claims (11)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT97890242T ATE233610T1 (en) | 1996-12-18 | 1997-12-02 | FAN UNIT FOR EXTRACTION SYSTEMS |
SI9730483T SI0849008T1 (en) | 1996-12-18 | 1997-12-02 | Ventilator unit for exhaust systems |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT221396 | 1996-12-18 | ||
AT2213/96 | 1996-12-18 | ||
AT0221396A AT405252B (en) | 1996-12-18 | 1996-12-18 | FAN UNIT FOR EXTRACTION SYSTEMS |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0849008A2 true EP0849008A2 (en) | 1998-06-24 |
EP0849008A3 EP0849008A3 (en) | 1999-07-21 |
EP0849008B1 EP0849008B1 (en) | 2003-03-05 |
Family
ID=3530123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97890242A Expired - Lifetime EP0849008B1 (en) | 1996-12-18 | 1997-12-02 | Ventilator unit for exhaust systems |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0849008B1 (en) |
AT (1) | AT405252B (en) |
CZ (1) | CZ289763B6 (en) |
DE (1) | DE59709433D1 (en) |
ES (1) | ES2194174T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2813028A1 (en) * | 2000-08-16 | 2002-02-22 | Aldes Aeraulique | Centralized suction source for vacuum cleaning has two groups of suction ports with dedicated blowers for each group |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB247999A (en) * | 1925-02-23 | 1926-06-10 | Gen Electric | Improvements in or relating to means for the interconnection of several fans |
GB1081995A (en) * | 1963-07-24 | 1967-09-06 | Sulzer Bros London Ltd | Ventilation system in a multi-level garage or enclosed car park |
FR2386738A1 (en) * | 1977-04-05 | 1978-11-03 | Sacme | Equilibrium system for articulated air duct - has endless cable driving pulley connected to counterweight to maintain equilibrium in correct position |
DE3833860A1 (en) * | 1988-10-05 | 1990-04-12 | Al Ko Entsorgungs Geraete | Device for emptying generators of waste in the form of powder and/or chips |
AT392927B (en) * | 1989-03-20 | 1991-07-10 | Scheuch Alois Gmbh | EXTRACTION SYSTEM FOR THE WOOD PROCESSING AREA |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8327832D0 (en) * | 1983-10-18 | 1983-11-16 | Nihot Bv | Waste and dust handling system |
DE3807279A1 (en) * | 1988-03-05 | 1989-09-14 | Gerd Dr Baller | POLLUTION EXTRACTION DEVICE |
DE4027089A1 (en) * | 1990-08-28 | 1992-03-05 | Al Ko Entsorgungs Geraete | Dust collection system e.g. for woodworking machine - has suction fan, filter and dust collection space provided by separate modules |
-
1996
- 1996-12-18 AT AT0221396A patent/AT405252B/en not_active IP Right Cessation
-
1997
- 1997-12-02 DE DE59709433T patent/DE59709433D1/en not_active Expired - Lifetime
- 1997-12-02 EP EP97890242A patent/EP0849008B1/en not_active Expired - Lifetime
- 1997-12-02 ES ES97890242T patent/ES2194174T3/en not_active Expired - Lifetime
- 1997-12-17 CZ CZ19974052A patent/CZ289763B6/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB247999A (en) * | 1925-02-23 | 1926-06-10 | Gen Electric | Improvements in or relating to means for the interconnection of several fans |
GB1081995A (en) * | 1963-07-24 | 1967-09-06 | Sulzer Bros London Ltd | Ventilation system in a multi-level garage or enclosed car park |
FR2386738A1 (en) * | 1977-04-05 | 1978-11-03 | Sacme | Equilibrium system for articulated air duct - has endless cable driving pulley connected to counterweight to maintain equilibrium in correct position |
DE3833860A1 (en) * | 1988-10-05 | 1990-04-12 | Al Ko Entsorgungs Geraete | Device for emptying generators of waste in the form of powder and/or chips |
AT392927B (en) * | 1989-03-20 | 1991-07-10 | Scheuch Alois Gmbh | EXTRACTION SYSTEM FOR THE WOOD PROCESSING AREA |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2813028A1 (en) * | 2000-08-16 | 2002-02-22 | Aldes Aeraulique | Centralized suction source for vacuum cleaning has two groups of suction ports with dedicated blowers for each group |
Also Published As
Publication number | Publication date |
---|---|
CZ405297A3 (en) | 1999-02-17 |
ES2194174T3 (en) | 2003-11-16 |
CZ289763B6 (en) | 2002-04-17 |
DE59709433D1 (en) | 2003-04-10 |
ATA221396A (en) | 1998-11-15 |
EP0849008A3 (en) | 1999-07-21 |
EP0849008B1 (en) | 2003-03-05 |
AT405252B (en) | 1999-06-25 |
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