EP2795136B1 - Ventilateur - Google Patents

Ventilateur Download PDF

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Publication number
EP2795136B1
EP2795136B1 EP12780717.0A EP12780717A EP2795136B1 EP 2795136 B1 EP2795136 B1 EP 2795136B1 EP 12780717 A EP12780717 A EP 12780717A EP 2795136 B1 EP2795136 B1 EP 2795136B1
Authority
EP
European Patent Office
Prior art keywords
nozzle head
cleaning
fan
fan according
rotor
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.)
Active
Application number
EP12780717.0A
Other languages
German (de)
English (en)
Other versions
EP2795136A1 (fr
Inventor
Hasan Ghaeezadeh
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.)
Ventilatorenfabrik Oelde GmbH
Original Assignee
Ventilatorenfabrik Oelde 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 Ventilatorenfabrik Oelde GmbH filed Critical Ventilatorenfabrik Oelde GmbH
Publication of EP2795136A1 publication Critical patent/EP2795136A1/fr
Application granted granted Critical
Publication of EP2795136B1 publication Critical patent/EP2795136B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/289—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps having provision against erosion or for dust-separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps

Definitions

  • the invention relates to a fan according to the preamble of claim 1.
  • Such fans are used as radial fans in particular for the promotion of dust-laden gases. Often, these are dusts that tend to deposits in the sense of caking, which leads to considerable problems especially with deposits on the wheels and here on the blades.
  • Preventive are used to determine the vibration frequencies facilities for vibration monitoring, with important process fans are invariably equipped with permanently installed such facilities.
  • the order of magnitude of the deposits can be detected, so that measures can be taken to eliminate the deposits on the impeller when reaching or exceeding specified maximum vibration values.
  • the cleaning nozzle designed as a blowing nozzle can be operated during the entire duration of the fan, via a suitable control, but also at intervals, depending on the requirement and business acceptance.
  • a cleaning system for the separation of flue gas particles is to be taken in a smoke evacuation, wherein a cleaning liquid is sprayed from a nozzle which is mounted stationary under an opening of a fan.
  • Devices for cleaning the blades of impellers with fixed nozzles are from the DE 10 2006 018 384 A1 , of the US Pat. No. 7,938,910 B2 , of the JP 2005 344 515 A as well as the JP 6 033 899 A known.
  • the invention has for its object to further develop a fan of the generic type so that its life increases and its operation is optimized.
  • a trained in this sense fan represents a significant improvement in operations.
  • the relevant areas of the blades on which the dust deposits are constantly targeted cleaned, so that at least the period after which a basic cleaning is required, is substantially extended ,
  • the vibration behavior of the fan which changes as a result of deposits, can be determined by a suitable device and the operation of the cleaning nozzles are controlled thereafter, or in a fixed time sequence.
  • the nozzle head is arranged centrally in the impeller and rotationally connected to this or a common drive part.
  • a supply line for the cleaning medium is guided centrally in the nozzle head and is fixed against this or is co-rotating.
  • a rotary feedthrough is provided to a stationary feed.
  • the nozzle head is preferably formed frusto-conical with arranged on the lateral surface cleaning nozzles. Since the cleaning process takes place for each blade, the entire deposition surface is permanently cleaned during each cleaning process.
  • the nozzle head in its spatial form can also be designed differently, for example cylindrical, depending on the structural conditions of the impeller or the blades.
  • the new fan In addition to optimizing the cleaning performance, resulting from the possible continuous cleaning of the blades and reduces the necessary downtime of the system as a whole, the new fan is characterized by a very long service life, since the previously to be complained of storage-related imbalances no longer occur the consequence of avoiding the resulting bearing damage or the like.
  • cleaning medium which exits the cleaning nozzles and with which the blades are acted upon comes, as hitherto, preferably air, but alternatively also water or another cleaning medium used, with a correspondingly high pressure, which ensures a blowing off of the adhering dust particles.
  • a fan in particular for the promotion of dust-laden gases, with a housing 1, which has an outlet 7, which is connectable to a discharge line, not shown.
  • a rotatably mounted impeller 2 with a plurality at the same angular distance held each other, arranged in the conveying direction convexly shaped blades 3.
  • a rotating with the impeller 2 nozzle head 4 is provided, which is positioned centrally in the impeller 2 and the cleaning nozzles 5, each of which at least one of a blade 3 is assigned and directed thereto.
  • more than one cleaning nozzle can also be provided next to each other, optionally also with different jet angles.
  • the concave back sides of the blades 3 are blown under pressure from a medium, preferably air, exiting from the cleaning nozzles 5, since these are the potentially most endangered areas where dust from the pumped gas can be deposited.
  • the blowing medium is fed from a pressure vessel, not shown, with 6 to 8 bar via a supply line 6 in the nozzle head, the corresponding, not shown branches to the cleaning nozzles 5 has.
  • the nozzle head 4 is frusto-conical, with arrangement of the cleaning nozzles 5 on the lateral surface.
  • the blow jet is, as can be seen in the figures, formed by appropriate configuration of the cleaning nozzles 5 so that it acts on the blades in the desired area over the entire surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (6)

  1. Ventilateur, en particulier pour le transport de gaz chargés de poussières, comprenant une roue à aubes (2) qui est montée rotative dans un carter (1) et présente des aubes (3) de forme convexe dans le sens de rotation, et comprenant une tête de buse (4) qui tourne avec la roue à aubes (2) et présente des buses de nettoyage (5), caractérisé en ce qu'au moins une des buses de nettoyage (5) est associée à la face arrière concave de chaque aube (3) et est dirigée de telle sorte qu'un jet de soufflage sortant sous pression agit principalement sur la face arrière de l'aube (3), vu dans le sens de rotation de la roue à aubes (2).
  2. Ventilateur selon la revendication 1, caractérisé en ce que la tête de buse (4) est positionnée de façon centrale dans la roue à aubes (2).
  3. Ventilateur selon la revendication 1 ou 2, caractérisé en ce que la tête de buse (4) est réalisée en forme de tronc de cône.
  4. Ventilateur selon l'une des revendications précédentes, caractérisé en ce que les buses de nettoyage (5) sortent à la surface extérieure de la tête de buse (4).
  5. Ventilateur selon l'une des revendications précédentes, caractérisé en ce qu'une conduite d'alimentation (6) du produit de nettoyage débouche dans la tête de buse (4) et se prolonge en dérivations qui sont raccordées aux buses de nettoyage (5).
  6. Ventilateur selon la revendication 5, caractérisé en ce que la conduite d'alimentation (6) est réalisée sous la forme d'un passage tournant au niveau de la tête de buse (5) ou d'un raccord d'alimentation.
EP12780717.0A 2011-12-19 2012-10-26 Ventilateur Active EP2795136B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011056593A DE102011056593B3 (de) 2011-12-19 2011-12-19 Ventilator
PCT/EP2012/071232 WO2013091955A1 (fr) 2011-12-19 2012-10-26 Ventilateur

Publications (2)

Publication Number Publication Date
EP2795136A1 EP2795136A1 (fr) 2014-10-29
EP2795136B1 true EP2795136B1 (fr) 2019-10-16

Family

ID=47115914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12780717.0A Active EP2795136B1 (fr) 2011-12-19 2012-10-26 Ventilateur

Country Status (3)

Country Link
EP (1) EP2795136B1 (fr)
DE (1) DE102011056593B3 (fr)
WO (1) WO2013091955A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516269B1 (de) * 2014-11-13 2016-04-15 Ka Group Man Gmbh Einrichtung zur reinigung von werkstücken
CN105240315A (zh) * 2015-11-20 2016-01-13 苏州市金翔钛设备有限公司 一种便于清理灰尘的风机叶轮
CN105889140A (zh) * 2016-05-26 2016-08-24 淮南市宜留机械科技有限公司 一种风机叶轮防尘装置
CN106382239A (zh) * 2016-10-14 2017-02-08 重庆通用工业(集团)有限责任公司 防粘附离心通风机
CN109357320B (zh) * 2018-11-07 2021-04-20 青岛海尔空调器有限总公司 空调器
FR3107759B1 (fr) * 2020-03-02 2022-07-08 Air Liquide France Ind Système de nettoyage d’équipements de refroidissement ou cuisson de produits alimentaires, cosmétiques, ou pharmaceutiques
CN111336119B (zh) * 2020-03-13 2021-06-11 科瑞特空调集团有限公司 一种化工用的风机
CN111608960A (zh) * 2020-05-11 2020-09-01 南京玛格耐特智能科技有限公司 一种高效型风机用在线清灰装置
CN115013365A (zh) * 2022-07-29 2022-09-06 中煤科工集团重庆研究院有限公司 一种用于煤矿矿区降噪音防爆局部通风机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US572176A (en) * 1896-12-01 The norris peters
US3434654A (en) * 1967-05-19 1969-03-25 Allis Chalmers Mfg Co Device for washing centrifugal compressor
DE3306243A1 (de) * 1983-02-23 1984-08-23 W. Schlafhorst & Co, 4050 Mönchengladbach Vorrichtung zum reinigen mit textilstaub beladener luft
US5158429A (en) * 1991-07-26 1992-10-27 Chiang Chao Cheng Self-contained cleaning system for smoke exhausters
JPH0633899A (ja) * 1992-07-16 1994-02-08 Hitachi Ltd ベーンコントロール装置を備えた空気圧縮機の羽根車の洗浄方法および洗浄装置
SE525924C2 (sv) * 2003-09-25 2005-05-24 Gas Turbine Efficiency Ab Munstycke samt metod för rengöring av gasturbinkompressorer
JP2005344515A (ja) * 2004-05-31 2005-12-15 Jfe Steel Kk インペラー式送風機，インペラーに付着したダストの除去方法，インペラー式送風機を用いた溶融金属製錬設備の集塵装置
DE102006018384A1 (de) * 2006-04-20 2007-10-25 Linde Ag Verfahren und Vorrichtung zur Enteisung und Reinigung von Ventilatoren

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2013091955A1 (fr) 2013-06-27
EP2795136A1 (fr) 2014-10-29
DE102011056593B3 (de) 2012-12-13

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