EP1491260A1 - Büse à double tourbillon - Google Patents

Büse à double tourbillon Download PDF

Info

Publication number
EP1491260A1
EP1491260A1 EP03014004A EP03014004A EP1491260A1 EP 1491260 A1 EP1491260 A1 EP 1491260A1 EP 03014004 A EP03014004 A EP 03014004A EP 03014004 A EP03014004 A EP 03014004A EP 1491260 A1 EP1491260 A1 EP 1491260A1
Authority
EP
European Patent Office
Prior art keywords
swirl
swirl chambers
double
spray
chambers
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
EP03014004A
Other languages
German (de)
English (en)
Other versions
EP1491260B1 (fr
Inventor
Thomas Schröder
Jürgen Speier
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.)
Lechler GmbH
Original Assignee
Lechler 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33395841&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1491260(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lechler GmbH filed Critical Lechler GmbH
Priority to DK03014004T priority Critical patent/DK1491260T3/da
Priority to ES03014004T priority patent/ES2244868T3/es
Priority to AT03014004T priority patent/ATE301502T1/de
Priority to SI200330065T priority patent/SI1491260T1/xx
Priority to DE50300967T priority patent/DE50300967D1/de
Priority to EP03014004A priority patent/EP1491260B1/fr
Priority to KR1020040045828A priority patent/KR101100856B1/ko
Priority to US10/872,817 priority patent/US7175109B2/en
Priority to CNB2004100594006A priority patent/CN100512973C/zh
Priority to ZA2004/04876A priority patent/ZA200404876B/en
Priority to JP2004182910A priority patent/JP4188881B2/ja
Publication of EP1491260A1 publication Critical patent/EP1491260A1/fr
Publication of EP1491260B1 publication Critical patent/EP1491260B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 jets with opposite swirl and with a common inflow channel, which runs in a median plane between the swirl chambers and each opens tangentially into the swirl chambers.
  • a double-twist spray nozzle of this type is known from DE 100 33 781 C1. Nozzles of this type are used in particular, as well as other double-jet spray nozzles according to DE 197 58 526 A1, predominantly for so-called gas scrubbers, in which a scrubbing liquid is introduced via a plurality of spray nozzles in the gas stream as evenly distributed over the cross section.
  • gas scrubbers can be, for example, flue gas purification systems in which acidic flue gas components such as sulfur dioxide, chlorine or hydrogen fluoride and, to a lesser extent, flue gas dust are separated by using appropriate washing liquids.
  • the advantage of In the above-mentioned double-flow nozzles it is the case that the swirl effect of the injected washing liquid cancel each other out, so that an undesirable influence of the flow in the gas scrubber can be avoided. This leads to a higher efficiency.
  • the nozzle assembly in such scrubbers is distributed over several levels, the gas in the scrubbers usually flows from bottom to top and the atomized medium falls down, ie against the gas flow.
  • spraying eccentric nozzles are provided to avoid that in the top of gas scrubbers, in particular flue gas desulphurisation sprayed droplet separator is sprayed.
  • eccentric nozzles have the following disadvantages: since the same volume flow as in the case of the double-jet spray nozzles is often desired in the lower region, it must now be sprayed through a swirl chamber (mouthpiece); This coarsens the droplet spectrum, which can adversely affect the process. If you want to keep the drop spectrum constant and halved therefore the flow rate per nozzle, so you have to place twice as many nozzles, which can lead to high costs (fasteners, mounting, pipe socket). Since the swirl direction of all eccentric nozzles is rectified, a swirl is imposed on the gas flow, which - as indicated above - can have a negative effect on the leaching.
  • both swirl chambers are open towards the same side.
  • overlapping sprays do not result in any disadvantageous formation of the resulting spray fan.
  • the oppositely directed radial velocity of the droplets results in an impact such that the droplets burst and thereby refine the droplet spectrum.
  • This effect is also present in traditionally arranged nozzles with a distance of 700-1200 mm from one another, it is no longer so pronounced due to the radial velocity braked there due to the air resistance.
  • the invention therefore produces a droplet spectrum which contributes to improved efficiency. Since the swirl chambers themselves must be designed for only half the volume flow, the overall length and thus also the moments acting on the nozzle connection can be reduced.
  • the axes of the swirl chambers can extend at an angle to each other, which opens to the outlet sides.
  • This embodiment allows an enlargement of the area covered by the spray jets. The risk of untreated gas strands passing through the scrubber is thus reduced.
  • the new double vortex spray nozzle is very compact and effective. It has been shown that when the setting angle of the axes of the swirl chambers is about 20 °, a particularly advantageous spray jet training can be achieved.
  • FIGS. 1 to 3 show that the new double-twist spray nozzle has a compact housing 1 with a connecting piece 2, which is externally provided with a connecting thread 3, which can be screwed to a connecting nut of an inflow pipe (not shown).
  • the housing 1 encloses two spin-symmetrical chambers 5 and 6 formed mirror-symmetrically to the central plane 4 shown in FIG. 2, each of which merges into trumpet-shaped outlet openings 5a, 6a.
  • the axes 7 and 8 of the swirl chambers 5 and 6 are mutually inclined ⁇ at an angle which is 20 ° in the embodiment.
  • the flow channel 10 of the connecting piece 2 passes without significant cross-sectional constriction in the two swirl chambers 5 and 6, which are both open to the same side.
  • the supplied through the connecting piece 2 beam of the liquid medium used - which is selected depending on the application for the gas scrubber concerned - applies to the against its flow direction pointing cutting edge 9 on.
  • the jet is therefore divided into two parts, one of which is introduced to the right by the swirl chamber 6 and the other anti-clockwise in the swirl chamber 5, from where then the spray jet exit takes place in the form of a spray cone on the same side.
  • the flow channel 10 goes on the side facing away from the cutting edge 9 behind an edge 11 in the respective swirl chamber 5 and 6, he 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, acting in the circumferential direction velocity vectors due to the opposing radial velocity secondary splitting of the liquid droplets formed in the spray, as already mentioned, which has a positive effect on the efficiency of the gas cleaning.
  • the size of the overlap region of both spray cones can be influenced and it has been shown that a particularly good droplet distribution occurs in the double spray jet at a selected angle ⁇ of about 20 °. Due to the inclination of the axes against each other and the entire spray jet area is increased, so that the contact area with the gas to be cleaned is larger.

Landscapes

  • Nozzles (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Fats And Perfumes (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Seal Device For Vehicle (AREA)
EP03014004A 2003-06-21 2003-06-21 Büse à double tourbillon Expired - Lifetime EP1491260B1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
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
DE50300967T DE50300967D1 (de) 2003-06-21 2003-06-21 Doppeldrallsprühdüse
EP03014004A EP1491260B1 (fr) 2003-06-21 2003-06-21 Büse à double tourbillon
KR1020040045828A KR101100856B1 (ko) 2003-06-21 2004-06-19 이중 트위스트 분사노즐
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
JP2004182910A JP4188881B2 (ja) 2003-06-21 2004-06-21 二重旋回スプレイノズル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03014004A EP1491260B1 (fr) 2003-06-21 2003-06-21 Büse à double tourbillon

Publications (2)

Publication Number Publication Date
EP1491260A1 true EP1491260A1 (fr) 2004-12-29
EP1491260B1 EP1491260B1 (fr) 2005-08-10

Family

ID=33395841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03014004A Expired - Lifetime EP1491260B1 (fr) 2003-06-21 2003-06-21 Büse à double tourbillon

Country Status (11)

Country Link
US (1) US7175109B2 (fr)
EP (1) EP1491260B1 (fr)
JP (1) JP4188881B2 (fr)
KR (1) KR101100856B1 (fr)
CN (1) CN100512973C (fr)
AT (1) ATE301502T1 (fr)
DE (1) DE50300967D1 (fr)
DK (1) DK1491260T3 (fr)
ES (1) ES2244868T3 (fr)
SI (1) SI1491260T1 (fr)
ZA (1) ZA200404876B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111330432A (zh) * 2020-04-13 2020-06-26 华能国际电力股份有限公司 一种高效双入口通道旋流雾化脱硫喷嘴

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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
WO2011123865A1 (fr) 2010-04-02 2011-10-06 Sta-Rite Industries, Llc Dispositif d'aspiration d'air
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
DE102015207741A1 (de) 2015-04-28 2016-11-03 Lechler Gmbh Sprühdüse
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
WO2023154294A2 (fr) * 2022-02-09 2023-08-17 Markesbery Blue Pearl LLC Dispersion à cocourant de compositions liquides
US12403484B2 (en) * 2022-11-03 2025-09-02 Belco Technologies Corporation Spray nozzle
CN119259292A (zh) * 2023-07-05 2025-01-07 中国石油化工股份有限公司 一种喷洒液旋转喷出的喷洒装置、吸收装置及其应用

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR882080A (fr) * 1942-01-09 1943-05-17 Appareil pulvérisateur, utilisable notamment pour combattre les maladies cryptogamiques des végétaux
GB969594A (en) * 1962-05-29 1964-09-09 Clayton Heyes Engineering Comp An improvement in or relating to spraying devices
DE19736761A1 (de) * 1997-08-23 1999-02-25 Lechler Gmbh & Co Kg Reinigungseinrichtung zur Abscheidung gas- oder partikelförmiger Inhaltsstoffe aus Gasströmen
DE19758526A1 (de) * 1997-08-23 1999-06-02 Lechler Gmbh & Co Kg Drallsprühdüse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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.
US2484577A (en) * 1945-03-29 1949-10-11 Monarch Mfg Works Inc Double orifice solid cone spray nozzle
JPS5572605A (en) 1978-11-22 1980-05-31 Hitachi Ltd Double stream type nozzle box
DE10033781C1 (de) 2000-07-12 2001-12-06 Lechler Gmbh & Co Kg Doppeldrallsprühdüse

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR882080A (fr) * 1942-01-09 1943-05-17 Appareil pulvérisateur, utilisable notamment pour combattre les maladies cryptogamiques des végétaux
GB969594A (en) * 1962-05-29 1964-09-09 Clayton Heyes Engineering Comp An improvement in or relating to spraying devices
DE19736761A1 (de) * 1997-08-23 1999-02-25 Lechler Gmbh & Co Kg Reinigungseinrichtung zur Abscheidung gas- oder partikelförmiger Inhaltsstoffe aus Gasströmen
DE19758526A1 (de) * 1997-08-23 1999-06-02 Lechler Gmbh & Co Kg Drallsprühdüse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111330432A (zh) * 2020-04-13 2020-06-26 华能国际电力股份有限公司 一种高效双入口通道旋流雾化脱硫喷嘴

Also Published As

Publication number Publication date
ZA200404876B (en) 2005-04-26
CN1572374A (zh) 2005-02-02
KR20040111189A (ko) 2004-12-31
CN100512973C (zh) 2009-07-15
JP2005007394A (ja) 2005-01-13
US7175109B2 (en) 2007-02-13
KR101100856B1 (ko) 2012-01-02
ATE301502T1 (de) 2005-08-15
EP1491260B1 (fr) 2005-08-10
DK1491260T3 (da) 2005-11-14
DE50300967D1 (de) 2005-09-15
JP4188881B2 (ja) 2008-12-03
US20050017093A1 (en) 2005-01-27
SI1491260T1 (en) 2005-10-31
ES2244868T3 (es) 2005-12-16

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