EP2795136A1 - Ventilator - Google Patents
VentilatorInfo
- Publication number
- EP2795136A1 EP2795136A1 EP12780717.0A EP12780717A EP2795136A1 EP 2795136 A1 EP2795136 A1 EP 2795136A1 EP 12780717 A EP12780717 A EP 12780717A EP 2795136 A1 EP2795136 A1 EP 2795136A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle head
- cleaning
- fan
- fan according
- blades
- 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
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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 operating time of the fan, but via suitable control, but also at intervals, as required and with economic acceptance.
- 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 ventilator designed in this way represents a considerable improvement in the operating procedure.
- the relevant areas of the blades on which the dust deposits can be constantly cleaned in a targeted manner, so that at least the period after which, as it were, a thorough cleaning is necessary is essential is extended.
- the vibration behavior of the fan which changes as a result of deposits can be determined by a suitable device. telt 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 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 emerges from the cleaning nozzles and with which the blades are acted upon as before, preferably air, but alternatively also water or another cleaning medium is used, with a correspondingly high pressure, which ensures a blowing off of the adhering dust particles.
- Show it: 1 shows a fan according to the invention in a schematic
- Figure 2 shows a cross section through the fan, also shown schematically.
- 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 Mantelflä- 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)
Abstract
Description
Claims
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 (de) | 2011-12-19 | 2012-10-26 | Ventilator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2795136A1 true EP2795136A1 (de) | 2014-10-29 |
EP2795136B1 EP2795136B1 (de) | 2019-10-16 |
Family
ID=47115914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12780717.0A Active EP2795136B1 (de) | 2011-12-19 | 2012-10-26 | Ventilator |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2795136B1 (de) |
DE (1) | DE102011056593B3 (de) |
WO (1) | WO2013091955A1 (de) |
Families Citing this family (9)
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)
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 |
-
2011
- 2011-12-19 DE DE102011056593A patent/DE102011056593B3/de active Active
-
2012
- 2012-10-26 EP EP12780717.0A patent/EP2795136B1/de active Active
- 2012-10-26 WO PCT/EP2012/071232 patent/WO2013091955A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2013091955A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2013091955A1 (de) | 2013-06-27 |
EP2795136B1 (de) | 2019-10-16 |
DE102011056593B3 (de) | 2012-12-13 |
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