EP1491260B1 - Doppeldrallsprühdüse - Google Patents
Doppeldrallsprühdüse Download PDFInfo
- Publication number
- EP1491260B1 EP1491260B1 EP03014004A EP03014004A EP1491260B1 EP 1491260 B1 EP1491260 B1 EP 1491260B1 EP 03014004 A EP03014004 A EP 03014004A EP 03014004 A EP03014004 A EP 03014004A EP 1491260 B1 EP1491260 B1 EP 1491260B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- swirl
- double
- chambers
- spray
- spray nozzle
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
- B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
- B05B1/3426—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels emerging in the swirl chamber perpendicularly to the outlet axis
Definitions
- the invention relates to a Doppeldrallsprühdüse with two swirl chambers for generating spray with opposite spin as well as with a common inflow channel, which is in a median plane between the swirl chambers and each tangent in the swirl chambers empties.
- a double-twist spray nozzle according to the preamble of claim 1 is known from document FR 882 080. Nozzles of this type become particular, as do other double jet spray nozzles according to DE 197 58 526 A1, mainly for so-called Gas scrubber used in which a washing liquid over a Variety of spray nozzles distributed as evenly as possible in the gas stream is introduced across the cross section.
- gas scrubbers can, for example Flue gas cleaning systems are in which acidic flue gas components like sulfur dioxide, chlorine or hydrogen fluoride as well to a lesser extent also flue gas dust by using appropriate Washing liquids are deposited.
- the nozzle assembly in such scrubbers is on several levels distributed, with the gas in the scrubbers usually from below flows upward and the atomized medium down, ie against the gas flow drops.
- the gas in the scrubbers usually from below flows upward and the atomized medium down, ie against the gas flow drops.
- the lower area are the previously mentioned Double-twist spray nozzles according to DE 100 33 781 C1, while in the upper area only to one side, that is, down, spraying Eccentric nozzles be provided to avoid being in the top End of scrubbers, especially flue gas desulphurisation plants sprayed droplet separator is sprayed.
- Such eccentric nozzles generally have the following disadvantages: Da often the same volume flow as in the double-jet spray nozzles in lower range is desired, this must now by a swirl chamber (Mouthpiece) to be sprayed; this causes the droplet spectrum to coarsen, which can adversely affect the process. Want keep the drop spectrum constant and therefore halve the volume flow per nozzle, so you have to place twice as many nozzles, which at high cost (fasteners, mounting, pipe socket) can lead. Since the twisting direction of all eccentric nozzles is rectified, a spin is formed on the gas flow, which - as indicated above - can negatively affect the leaching.
- both swirl chambers are open to the same side. Surprisingly, it has become thereby showing that in this case because of the common Inflow channels of the adjacent swirl chambers already short after exiting mutually overlapping sprays to none lead to adverse development of the resulting Sprühfumbleers. Because the Drops of directly adjacent spray cone through the small Distance of the swirl chambers quasi unopposed, leads the oppositely directed radial velocity of the drops so to a shock, that the drops burst and thereby the Drop spectrum refines. This effect is traditional arranged nozzles with a distance of 700 - 1200 mm to each other also present, but due to the air resistance there slowed radial speed is less pronounced. By the The invention therefore produces a droplet spectrum which leads to an improved Efficiency contributes. Since the twist chambers themselves only for half Volume flow can be designed, the overall length and so that also reduces the forces acting on the nozzle connection moments become.
- the axes of the swirl chambers in at an angle to each other, towards the exit sides opens.
- This embodiment allows an enlargement of the Spraying covered area. The danger of being untreated Gas strands pass through the scrubber, is thus reduced.
- the new Double vortex spray nozzle is very compact and effective. It has shown that when the setting angle of the axes of the swirl chambers about 20 °, a particularly advantageous spray jet training can be achieved.
- Figures 1 to 3 show that the new double-twist spray nozzle has a compact housing 1 with a connecting piece 2, the outside is provided with a connection thread 3, which with a Connection nut of an inflow pipe, not shown, can be screwed.
- the housing 1 encloses two mirror-symmetrical to that of FIG. 2 apparent center plane 4 trained swirl chambers 5 and 6, respectively pass into trumpet-shaped outlet openings 5a, 6a.
- the axes 7 and 8 of the swirl chambers 5 and 6 are against each other inclined at an angle ⁇ , which is 20 ° in the embodiment.
- the flow channel 10 of the connecting piece goes 2 without significant cross-sectional constriction in the two swirl chambers 5 and 6, both open to the same side.
- the connecting piece 2 supplied beam of the liquid used Medium - depending on the application for the relevant Gas scrubber is selected - meets the against its flow direction pointing cutting edge 9 on.
- the beam is therefore split into two parts, one of them right through the swirl chamber 6 and the other is introduced to the left in the swirl chamber 5, from where then the spray jet outlet in the form of a spray cone after the same Page done.
- the flow channel 10 goes on the of the cutting edge. 9 opposite side behind an edge 11 in the respective swirl chamber fifth and 6, it forms an intersection with the associated swirl chamber.
- the two Spray jets have an opposite twist and overlap in the facing area. There, despite the rectified, circumferentially acting velocity vectors because of the opposing radial velocity a secondary decomposition the liquid droplets formed in the spray jet take place, As already mentioned, which has a positive effect on the efficiency the gas cleaning effect.
- the invention can now only by mounting a single nozzle to achieve a spray extension as well as an interaction the mutually overlapping and with different Swirling spray cone, the beneficial effects on the cleaning efficiency Has.
Landscapes
- Nozzles (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Jet Pumps And Other Pumps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fats And Perfumes (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Seal Device For Vehicle (AREA)
Description
- Fig. 1
- eine perspektivische Darstellung einer neuen Doppeldrallsprühdüse,
- Fig. 2
- die Ansicht der Düse nach Fig. 1 von der Seite des Zuführ- stutzens aus,
- Fig. 3
- eine Seitenansicht,
- Fig. 4
- den Schnitt durch die Sprühdüse nach Fig. 3 längs der Schnittlinie IV-IV und
- Fig. 5
- den Schnitt durch die Sprühdüse der Fig. 3 längs der Schnittlinie V-V.
Claims (5)
- Doppeldrallsprühdüse mit zwei Drallkammern zur Erzeugung von Sprühstrahlen mit entgegengesetztem Drall, wobei die Öffnungen (5a, 6a) beider Drallkammern (5, 6) nach der gleichen Seite weisen,
dadurch gekennzeichnet, dass
ein gemeinsamer Zuströmkanal (10) vorgesehen ist, der in einer Mittelebene (4) zwischen den Drallkammern (5, 6) verläuft und jeweils tangential in die Drallkammern mündet. - Doppeldrallsprühdüse nach Anspruch 1, dadurch gekennzeichnete, dass die Drallkammern (5, 6) bezüglich der Mittelebene (4) spiegelbildlich zueinander ausgebildet sind.
- Doppeldrallsprühdüse nach Anspruch 1, dadurch gekennzeichnet, dass die Achsen (7, 8) der Drallkammern (5, 6) im Bereich des Zuströmkanals (10) in einem Abstand (a) nebeneinander angeordnet sind, der in der Größenordnung des Durchmessers einer Drallkammer liegt.
- Doppeldrallsprühdüse nach Anspruch 1, dadurch gekennzeichnet, dass die Achsen (7, 8) der Drallkammern (5, 6) in einem Winkel (α) zueinander verlaufen, der sich zu der Seite der Austrittsöffnungen (5a, 6a) öffnet.
- Doppeldrallsprühdüse nach Anspruch 4, dadurch gekennzeichnet, dass der Winkel (α) etwa 20° beträgt.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50300967T DE50300967D1 (de) | 2003-06-21 | 2003-06-21 | Doppeldrallsprühdüse |
DK03014004T DK1491260T3 (da) | 2003-06-21 | 2003-06-21 | Dobbelthvirveldyse |
ES03014004T ES2244868T3 (es) | 2003-06-21 | 2003-06-21 | Tobera de pulverizacion de doble turbulencia. |
AT03014004T ATE301502T1 (de) | 2003-06-21 | 2003-06-21 | Doppeldrallsprühdüse |
SI200330065T SI1491260T1 (en) | 2003-06-21 | 2003-06-21 | Double swirl nozzle |
EP03014004A EP1491260B1 (de) | 2003-06-21 | 2003-06-21 | Doppeldrallsprühdüse |
KR1020040045828A KR101100856B1 (ko) | 2003-06-21 | 2004-06-19 | 이중 트위스트 분사노즐 |
JP2004182910A JP4188881B2 (ja) | 2003-06-21 | 2004-06-21 | 二重旋回スプレイノズル |
US10/872,817 US7175109B2 (en) | 2003-06-21 | 2004-06-21 | Double-swirl spray nozzle |
CNB2004100594006A CN100512973C (zh) | 2003-06-21 | 2004-06-21 | 双螺旋喷嘴 |
ZA2004/04876A ZA200404876B (en) | 2003-06-21 | 2004-06-21 | A double-swirl spray nozzle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03014004A EP1491260B1 (de) | 2003-06-21 | 2003-06-21 | Doppeldrallsprühdüse |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1491260A1 EP1491260A1 (de) | 2004-12-29 |
EP1491260B1 true EP1491260B1 (de) | 2005-08-10 |
Family
ID=33395841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03014004A Expired - Lifetime EP1491260B1 (de) | 2003-06-21 | 2003-06-21 | Doppeldrallsprühdüse |
Country Status (11)
Country | Link |
---|---|
US (1) | US7175109B2 (de) |
EP (1) | EP1491260B1 (de) |
JP (1) | JP4188881B2 (de) |
KR (1) | KR101100856B1 (de) |
CN (1) | CN100512973C (de) |
AT (1) | ATE301502T1 (de) |
DE (1) | DE50300967D1 (de) |
DK (1) | DK1491260T3 (de) |
ES (1) | ES2244868T3 (de) |
SI (1) | SI1491260T1 (de) |
ZA (1) | ZA200404876B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3088087A1 (de) | 2015-04-28 | 2016-11-02 | Lechler GmbH | Sprühdüse und verfahren zum erzeugen von nicht runden sprühkegeln |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9242256B2 (en) | 2007-07-17 | 2016-01-26 | S.C. Johnson & Son, Inc. | Aerosol dispenser assembly having VOC-free propellant and dispensing mechanism therefor |
CN102917802B (zh) | 2010-04-02 | 2016-03-02 | 斯得-莱特工业有限责任公司 | 空气抽吸装置 |
JP5961383B2 (ja) * | 2012-01-11 | 2016-08-02 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
JP2015042389A (ja) * | 2013-08-26 | 2015-03-05 | 株式会社Ihi | 排煙脱硫装置 |
US20160375876A1 (en) * | 2015-06-25 | 2016-12-29 | Ron Silc | High pressure air nozzle camera lens cleaning system |
JP6523984B2 (ja) * | 2016-02-12 | 2019-06-05 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
CN106140742B (zh) * | 2016-08-29 | 2019-07-30 | 潍柴动力股份有限公司 | 一种用于管道的涡流吹扫器 |
JP6437978B2 (ja) * | 2016-10-06 | 2018-12-12 | レヒラー ゲゼルシャフト ミット ベシュレンクテル ハフツング | スプレイノズル及び非円形のスプレイ円錐を発生させる方法 |
CN108889038B (zh) * | 2018-09-22 | 2024-04-12 | 盐城市兰丰环境工程科技有限公司 | 一种烟羽脱白装置 |
JP6802469B2 (ja) * | 2018-10-30 | 2020-12-16 | ビック工業株式会社 | 液体吐出装置 |
JP6868144B1 (ja) * | 2020-05-25 | 2021-05-12 | 株式会社スギノマシン | ノズル |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US545320A (en) | 1895-08-27 | Lawn-sprinkler or irrigator | ||
US1156474A (en) * | 1913-07-28 | 1915-10-12 | Bert L Gifford | Sprinkling or spraying device. |
FR882080A (fr) * | 1942-01-09 | 1943-05-17 | Appareil pulvérisateur, utilisable notamment pour combattre les maladies cryptogamiques des végétaux | |
US2484577A (en) * | 1945-03-29 | 1949-10-11 | Monarch Mfg Works Inc | Double orifice solid cone spray nozzle |
GB969594A (en) * | 1962-05-29 | 1964-09-09 | Clayton Heyes Engineering Comp | An improvement in or relating to spraying devices |
JPS5572605A (en) | 1978-11-22 | 1980-05-31 | Hitachi Ltd | Double stream type nozzle box |
DE19736761C2 (de) * | 1997-08-23 | 2002-06-27 | Lechler Gmbh & Co Kg | Reinigungseinrichtung zur Abscheidung gas- oder partikelförmiger Inhaltsstoffe aus Gasströmen |
DE19758526B4 (de) | 1997-08-23 | 2004-07-15 | Lechler Gmbh + Co. Kg | Drallsprühdüse |
DE10033781C1 (de) | 2000-07-12 | 2001-12-06 | Lechler Gmbh & Co Kg | Doppeldrallsprühdüse |
-
2003
- 2003-06-21 DK DK03014004T patent/DK1491260T3/da active
- 2003-06-21 EP EP03014004A patent/EP1491260B1/de not_active Expired - Lifetime
- 2003-06-21 AT AT03014004T patent/ATE301502T1/de active
- 2003-06-21 SI SI200330065T patent/SI1491260T1/xx unknown
- 2003-06-21 ES ES03014004T patent/ES2244868T3/es not_active Expired - Lifetime
- 2003-06-21 DE DE50300967T patent/DE50300967D1/de not_active Expired - Lifetime
-
2004
- 2004-06-19 KR KR1020040045828A patent/KR101100856B1/ko active IP Right Grant
- 2004-06-21 US US10/872,817 patent/US7175109B2/en not_active Expired - Lifetime
- 2004-06-21 JP JP2004182910A patent/JP4188881B2/ja not_active Expired - Lifetime
- 2004-06-21 CN CNB2004100594006A patent/CN100512973C/zh not_active Expired - Lifetime
- 2004-06-21 ZA ZA2004/04876A patent/ZA200404876B/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3088087A1 (de) | 2015-04-28 | 2016-11-02 | Lechler GmbH | Sprühdüse und verfahren zum erzeugen von nicht runden sprühkegeln |
DE102015207741A1 (de) | 2015-04-28 | 2016-11-03 | Lechler Gmbh | Sprühdüse |
US9925546B2 (en) | 2015-04-28 | 2018-03-27 | Lechler Gmbh | Spray nozzle and method for producing non-round spray cones |
Also Published As
Publication number | Publication date |
---|---|
ES2244868T3 (es) | 2005-12-16 |
SI1491260T1 (en) | 2005-10-31 |
KR101100856B1 (ko) | 2012-01-02 |
CN1572374A (zh) | 2005-02-02 |
EP1491260A1 (de) | 2004-12-29 |
DE50300967D1 (de) | 2005-09-15 |
US7175109B2 (en) | 2007-02-13 |
JP2005007394A (ja) | 2005-01-13 |
ZA200404876B (en) | 2005-04-26 |
KR20040111189A (ko) | 2004-12-31 |
CN100512973C (zh) | 2009-07-15 |
JP4188881B2 (ja) | 2008-12-03 |
DK1491260T3 (da) | 2005-11-14 |
US20050017093A1 (en) | 2005-01-27 |
ATE301502T1 (de) | 2005-08-15 |
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