EP0849008A2 - Unité ventilateur pour systèmes d'aspiration - Google Patents

Unité ventilateur pour systèmes d'aspiration Download PDF

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Publication number
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
Authority
EP
European Patent Office
Prior art keywords
air
fan unit
suction
fans
unit according
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.)
Granted
Application number
EP97890242A
Other languages
German (de)
English (en)
Other versions
EP0849008B1 (fr
EP0849008A3 (fr
Inventor
Alois Scheuch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scheuch GmbH
Original Assignee
SCHEUCH ALOIS GmbH
Alois Sceuch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SCHEUCH ALOIS GmbH, Alois Sceuch GmbH filed Critical SCHEUCH ALOIS GmbH
Priority to AT97890242T priority Critical patent/ATE233610T1/de
Priority to SI9730483T priority patent/SI0849008T1/xx
Publication of EP0849008A2 publication Critical patent/EP0849008A2/fr
Publication of EP0849008A3 publication Critical patent/EP0849008A3/fr
Application granted granted Critical
Publication of EP0849008B1 publication Critical patent/EP0849008B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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, 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.

Landscapes

  • Ventilation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP97890242A 1996-12-18 1997-12-02 Unité ventilateur pour systèmes d'aspiration Expired - Lifetime EP0849008B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT97890242T ATE233610T1 (de) 1996-12-18 1997-12-02 Ventilatoreinheit für absaugsysteme
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
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 true EP0849008A2 (fr) 1998-06-24
EP0849008A3 EP0849008A3 (fr) 1999-07-21
EP0849008B1 EP0849008B1 (fr) 2003-03-05

Family

ID=3530123

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97890242A Expired - Lifetime EP0849008B1 (fr) 1996-12-18 1997-12-02 Unité ventilateur pour systèmes d'aspiration

Country Status (5)

Country Link
EP (1) EP0849008B1 (fr)
AT (1) AT405252B (fr)
CZ (1) CZ289763B6 (fr)
DE (1) DE59709433D1 (fr)
ES (1) ES2194174T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2813028A1 (fr) * 2000-08-16 2002-02-22 Aldes Aeraulique Dispositif d'aspiration centralisee

Citations (5)

* Cited by examiner, † Cited by third party
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
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE4027089A1 (de) * 1990-08-28 1992-03-05 Al Ko Entsorgungs Geraete Vorrichtung zur entsorgung von erzeugern von mit luft transportierbaren abfaellen

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2813028A1 (fr) * 2000-08-16 2002-02-22 Aldes Aeraulique Dispositif d'aspiration centralisee

Also Published As

Publication number Publication date
AT405252B (de) 1999-06-25
EP0849008B1 (fr) 2003-03-05
EP0849008A3 (fr) 1999-07-21
CZ289763B6 (cs) 2002-04-17
ES2194174T3 (es) 2003-11-16
ATA221396A (de) 1998-11-15
DE59709433D1 (de) 2003-04-10
CZ405297A3 (cs) 1999-02-17

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