EP0849008B1 - Ventilatoreinheit für Absaugsysteme - Google Patents
Ventilatoreinheit für Absaugsysteme Download PDFInfo
- Publication number
- EP0849008B1 EP0849008B1 EP97890242A EP97890242A EP0849008B1 EP 0849008 B1 EP0849008 B1 EP 0849008B1 EP 97890242 A EP97890242 A EP 97890242A EP 97890242 A EP97890242 A EP 97890242A EP 0849008 B1 EP0849008 B1 EP 0849008B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- fans
- suction
- fan unit
- housing
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/002—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. Polluted substances or the like. Contaminated air is arranged.
- a device for extracting pollutants from at least two Pollutant 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 unit that has several 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 an adjustable in its performance Fan, which means that the efficiency of the fan is not optimal can be exploited.
- EP 140 653 A1 discloses a pollutant and dust extraction device, through which the suction efficiency is improved and the Operating time between cleaning or renewing the filter can be extended.
- the dust is removed via the main line a filter and the cleaned air into the Factory hall returned.
- the Pollutants and the separated by the filter of the main line Dust is transported to a waste bin before too this portion of the air is returned to the factory building becomes.
- An adaptation of the energy consumption of the pollutant extraction to 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 can be assembled and repaired. There is the Device from a kit of individual modules that are flush with attachable module housings are provided. An adjustment to different operating conditions can by composition the modules are made up of several sub-modules.
- FR 2 386 738 A shows an arrangement of a fan in one airtight suction chamber, which is connected to the supply line for the suction Air is connected.
- the document discloses not the arrangement of several suction lines in a common airtight suction chamber for the purpose of creating a fan device with several fans and several suction lines.
- the fans are in most known extraction systems arranged in front of the filter unit in the raw gas area. So it will the polluted air is blown into the filter system. In the last The fans are often behind the filter system arranged. So it becomes the polluted air through the filter system sucked.
- the arrangement of the fans on the Clean gas side a higher efficiency of the fans can be achieved, the wear of the fans is kept low and the risk of explosion from particles in the air reduced.
- there are all material leading System parts in the vacuum area so that dust escapes leaky pipes is avoided.
- a common line usually runs from the filter system, which is divided into a line to each fan becomes. After the fans, individual lines lead to one Collective line, which is in a changeover flap for return air or exhaust air ends. The clean air can be blown directly outside in summer or if necessary, e.g. during the heating season, over the Return air duct can be returned to the factory hall.
- the different Lines can be produced with great effort and require higher maintenance. To lock the lines, if the fans are not in operation, must be in the individual lines pneumatic locks are arranged, which the Further increase manufacturing and maintenance costs.
- the object of the invention is therefore a fan device for suction systems that are easy to manufacture, has low susceptibility to failure and requires little maintenance.
- the object of the invention is achieved in that all suction lines all fans and the or each supply line for the air to be extracted into a common airtight suction chamber flow out, and that all exhaust pipes of all fans and at least one collective exhaust pipe in a common, airtight Pressure chamber open.
- This construction eliminates one costly. Piping of the individual fans on the intake side. By eliminating individual feed lines to the fans do not have to be in the individual lines Locking devices are provided with which in the case the associated line is closed when a fan is not in operation can be so that this line is not with material is relocated.
- Through the opening of all exhaust air ducts in one Common, airtight pressure chamber can also be on the exhaust side of the fans, i.e. on the pressure side, the manufacturing effort compared to conventional systems.
- the invention Construction is easier to manufacture, less prone to failure and requires less maintenance.
- the arrangement of devices for sound attenuation in the collective exhaust line causes 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 a safety for maintenance personnel due to the protective grille guaranteed.
- the airtight suction chamber and possibly also the airtight one 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 Maintenance and replacement of the drive units are possible without great effort.
- the inside of the housing is advantageously lined 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 contaminants 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.
- a covers Base load fan 7 the minimum necessary air requirement.
- two part-load fans 8, 9 are arranged, depending on the requirement are automatically switched on and off.
- the polluted air sucked through the filter system 1.
- Only clean air is passed through the fans 7, 8, 9.
- a supply line 10 must be performed, which of the Manifold 6 is branched.
- 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 outlined in dashed lines, comprises a complex duct system, which can be produced with great effort.
- 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 in the outer wall the housing 15 arranged that their drive motors 16 easily accessible from the outside and are therefore 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 surrounded, 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.
- 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.
Landscapes
- Ventilation (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Description
Claims (10)
- 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. behafteten Luft angeordnet ist, dadurch gekennzeichnet, dass alle Ansaugleitungen (24) aller Ventilatoren (7, 8, 9) und die oder jede Zuleitung (6) für die abzusaugende Luft in eine gemeinsame, luftdichte Saugkammer (18) münden, und dass alle Abluftleitungen (20) aller Ventilatoren (7, 8, 9) und mindestens eine Sammelabluftleitung (12) in eine gemeinsame, luftdichte Druckkammer (22) münden.
- Ventilatoreinheit nach Anspruch 1, dadurch gekennzeichnet, dass alle Abluftleitungen (20) der Ventilatoren (7, 8, 9) mit Rückschlagklappen (21) od. dgl. versehen sind.
- Ventilatoreinheit nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass in der Sammelabluftleitung (12) Einrichtungen zur Schalldämpfung angeordnet sind.
- Ventilatoreinheit nach mindestens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Ansaugleitungen (24) der Ventilatoren (7, 8, 9) mit Ansaugdüsen (17) od. dgl. allenfalls mit Schutzgitter versehen sind.
- Ventilatoreinheit nach mindestens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die luftdichte Saugkammer (18) durch ein Gehäuse (15) gebildet ist.
- Ventilatoreinheit nach mindestens einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die luftdichte Druckkammer (22) durch ein Gehäuse (15') gebildet ist.
- Ventilatoreinheit nach mindestens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die luftdichte Saugkammer (18) und die luftdichte Druckkammer (22) durch ein gemeinsames Gehäuse gebildet ist, wobei die Saugkammer (18) und die Druckkammer (22) durch eine Wand (25) luftdicht voneinander getrennt sind.
- Ventilatoreinheit nach mindestens einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass die Antriebseinheiten, insbesondere die Antriebsmotoren (16), der Ventilatoren (7, 8, 9) zumindest teilweise außerhalb des Gehäuses (15) angeordnet sind.
- Ventilatoreinheit nach mindestens einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass das Gehäuse (15) und/oder das Gehäuse (15') mit einem schalldämpfenden Material ausgekleidet oder umgeben ist.
- Ventilatoreinheit nach mindestens einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, dass in dem oder jedem Gehäuse (15, 15') mindestens eine luftdicht verschließbare Öffnung (23) vorgesehen ist.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI9730483T SI0849008T1 (en) | 1996-12-18 | 1997-12-02 | Ventilator unit for exhaust systems |
AT97890242T ATE233610T1 (de) | 1996-12-18 | 1997-12-02 | Ventilatoreinheit für absaugsysteme |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0221396A AT405252B (de) | 1996-12-18 | 1996-12-18 | Ventilatoreinheit für absaugsysteme |
AT2213/96 | 1996-12-18 | ||
AT221396 | 1996-12-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0849008A2 EP0849008A2 (de) | 1998-06-24 |
EP0849008A3 EP0849008A3 (de) | 1999-07-21 |
EP0849008B1 true EP0849008B1 (de) | 2003-03-05 |
Family
ID=3530123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97890242A Expired - Lifetime EP0849008B1 (de) | 1996-12-18 | 1997-12-02 | Ventilatoreinheit für Absaugsysteme |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0849008B1 (de) |
AT (1) | AT405252B (de) |
CZ (1) | CZ289763B6 (de) |
DE (1) | DE59709433D1 (de) |
ES (1) | ES2194174T3 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2813028B1 (fr) * | 2000-08-16 | 2003-04-11 | Aldes Aeraulique | Dispositif d'aspiration centralisee |
Family Cites Families (8)
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 (fr) * | 1977-04-05 | 1978-11-03 | Sacme | Dispositif d'equilibrage d'une conduite d'installation a circulation d'air |
GB8327832D0 (en) * | 1983-10-18 | 1983-11-16 | Nihot Bv | Waste and dust handling system |
DE3807279A1 (de) * | 1988-03-05 | 1989-09-14 | Gerd Dr Baller | Schadstoffabsaugeinrichtung |
DE3833860A1 (de) * | 1988-10-05 | 1990-04-12 | Al Ko Entsorgungs Geraete | Vorrichtung zur entsorgung von erzeugern staub- und/oder spanfoermiger abfaelle |
AT392927B (de) * | 1989-03-20 | 1991-07-10 | Scheuch Alois Gmbh | Absaugsystem fuer den bereich der holzverarbeitung |
DE4027089A1 (de) * | 1990-08-28 | 1992-03-05 | Al Ko Entsorgungs Geraete | Vorrichtung zur entsorgung von erzeugern von mit luft transportierbaren abfaellen |
-
1996
- 1996-12-18 AT AT0221396A patent/AT405252B/de not_active IP Right Cessation
-
1997
- 1997-12-02 DE DE59709433T patent/DE59709433D1/de not_active Expired - Lifetime
- 1997-12-02 EP EP97890242A patent/EP0849008B1/de not_active Expired - Lifetime
- 1997-12-02 ES ES97890242T patent/ES2194174T3/es not_active Expired - Lifetime
- 1997-12-17 CZ CZ19974052A patent/CZ289763B6/cs not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE59709433D1 (de) | 2003-04-10 |
CZ289763B6 (cs) | 2002-04-17 |
AT405252B (de) | 1999-06-25 |
EP0849008A3 (de) | 1999-07-21 |
CZ405297A3 (cs) | 1999-02-17 |
ATA221396A (de) | 1998-11-15 |
ES2194174T3 (es) | 2003-11-16 |
EP0849008A2 (de) | 1998-06-24 |
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