EP1356868A1 - Buse binaire avec un insert changeables - Google Patents

Buse binaire avec un insert changeables Download PDF

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Publication number
EP1356868A1
EP1356868A1 EP02008688A EP02008688A EP1356868A1 EP 1356868 A1 EP1356868 A1 EP 1356868A1 EP 02008688 A EP02008688 A EP 02008688A EP 02008688 A EP02008688 A EP 02008688A EP 1356868 A1 EP1356868 A1 EP 1356868A1
Authority
EP
European Patent Office
Prior art keywords
housing
insert
spray nozzle
bore
mixing chamber
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
EP02008688A
Other languages
German (de)
English (en)
Other versions
EP1356868B1 (fr
Inventor
Albert Fecht
Jürgen Frick
Roman Haap
Lothar Bendig
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 and Co KG
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 Lechler GmbH and Co KG filed Critical Lechler GmbH and Co KG
Priority to ES02008688T priority Critical patent/ES2210203T3/es
Priority to DE50200123T priority patent/DE50200123D1/de
Priority to AT02008688T priority patent/ATE255468T1/de
Priority to EP02008688A priority patent/EP1356868B1/fr
Priority to KR10-2002-0062683A priority patent/KR100503777B1/ko
Publication of EP1356868A1 publication Critical patent/EP1356868A1/fr
Application granted granted Critical
Publication of EP1356868B1 publication Critical patent/EP1356868B1/fr
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
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0441—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
    • B05B7/0458—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber the gas and liquid flows being perpendicular just upstream the mixing chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • B22D11/1246—Nozzles; Spray heads

Definitions

  • the invention relates to a two-component spray nozzle, in particular for the Use for cooling in continuous casting plants, with a housing for Connection to a compressed air and water supply, with a mixing chamber inside the housing and with a nozzle mouthpiece that is connected to the housing via a pipe section.
  • Two-component nozzles are known (US Pat. No. 4,591,099 and DE 39 15 210 C2) where air and water are connected to the nozzle by means of connectors are connected, which are also the flow-determining holes for the two media intended for mixing with each other exhibit. Cleaning these holes or the inside of the nozzle is only possible if the air and water connections are disconnected. Depending on the installation conditions, this involves removing the entire nozzle may be required.
  • the present invention has for its object a two-component spray nozzle of the type mentioned at the beginning so that the for the mixing and internals responsible for the performance are easily accessible are and cumbersome disassembly of the entire nozzle becomes superfluous.
  • the insert can be removed from the housing, serviced, cleaned or replaced by another application, without loosening the compressed air or water connections on the housing need to be.
  • the invention is therefore essential easy access to the internals determining the performance possible.
  • the invention can be used as a rotating body trained and inserted into a cylindrical bore of the housing be provided with sealing rings for contact with the bore can.
  • a Actuating head in particular with a screw head from the Protrude housing and with a fastening thread in the housing bore be screwed in.
  • the insert can be used with a coaxial Be provided hole that serves to supply water and via a throttle bore, which determines the performance, into the mixing chamber empties.
  • This throttle bore can be part of one in the coaxial Bore of the housing used nozzle.
  • In the design of Invention can also be used with circumferential axial grooves be provided for airflow in the area of the mixing chamber open into these through transverse bores. Both those in the coaxial Hole used nozzle as well as the cross holes easily accessible after removal of the insert.
  • the axial length of the insert can be the length of the pipe section be coordinated. This can cause another problem with Two-substance nozzles of the type treated here occur. water and air can build up because they are still over from the mixing chamber a partly considerable and different depending on the type of system Route to the nozzle mouthpiece must be performed on this Separate the path again. This has a negative impact on the Uniformity of atomization.
  • the design is therefore typically made of two-component nozzles each assuming a given Length of the pipe section between the mixing chamber and the nozzle mouthpiece. In the event that a different length is required another nozzle is also required.
  • the configuration according to the invention now makes it very simple Way but possible, the length of the insert on that of the pipe section vote, so that there is the possibility of longer Pipe pieces also use longer inserts, making the flow path from the mixing chamber to the nozzle mouthpiece held and segregation can be prevented.
  • the insert consists of a first section in the bore of the housing and out there is at least one further section of smaller diameter, which is designed as a pipe leading to the mixing chamber.
  • the tube can be the mixing chamber and the The nozzle with the nozzle containing the throttle bore ends at least has a collar with a diameter that of the first Section corresponds. It will be the leadership of the mission in this way guaranteed at both ends.
  • the bore in the housing on her the end pointing towards the nozzle mouthpiece through a pipe section Inner diameter can be extended, the pipe in this pipe section Collar of the nozzle is guided and the pipe section up to the nozzle mouthpiece to be led.
  • the two-component spray nozzle shown in Fig. 1 consists of a housing 2, a mixing insert 3 and a nozzle mouthpiece 4.
  • the housing 2 and the nozzle mouthpiece 4 are connected to one another via a pipe section 5.
  • the insert 3 is counter to the back of the nozzle the spray direction, inserted into a cylindrical bore 6 of the housing 2 and can there with several radial O-ring seals 7a, 7b.
  • the insert 3 has a head 8, e.g. in the shape a hexagon screw head, and it can be threaded 8a and a seal 8b firmly but releasably connected to the housing 2 his.
  • the insert 3 has a central blind hole 9, which is used for feeding the atomizing media.
  • the housing 2 has two connection bores, wherein the connection bore 10a for the supply of Liquid, generally water, and the connection bore 10b for Air is supplied under pressure.
  • the housing 2 e.g. has a rectangular cross section, be connected to a profile tube, not shown, which with two separate channels, one for water and one for compressed air is.
  • the nozzle mouthpiece produces in a manner not described in detail 4 a spray jet in the desired form, e.g. a flat jet or a full cone.
  • the liquid is fed into the bores 9 of the insert 3 via cross holes 12.
  • these holes are not performance-determining, but this task is performed in the manner of a Insert trained nozzle 13 which from the open side in the Hole 9 is pressed.
  • This nozzle 13 has a performance-determining Bore 13a and therefore represents a throttle point.
  • This bore 13a is in a separately manufactured part with great accuracy manufacture. This would not be the case when producing the cross bores 12 easily possible.
  • the mixing insert 3 can also be used for different with the help of different nozzles 13 Water volume flows are used.
  • the feed of the Air flows through a transverse bore 14 into the mixing chamber 15, which is behind the nozzle 13 is.
  • this mixing chamber 15 air and Liquid in a manner known per se.
  • the insert 3 can be cleaned by attacking the actuating head 8 Maintenance purposes are unscrewed from the housing 2. Since a removal on the normally easily accessible back the nozzle, there is a loosening of the compressed air and liquid connections 10a, 10b from the connection profile tube not required.
  • Fig. 2 shows a slightly different embodiment, but in the just advantages mentioned come into their own.
  • the insert 3 protrudes in this embodiment so into the pipe section 5 that a section 5a behind and a section 5b in front of the mixing chamber 15 is formed.
  • the pipe section 5 is designed in this case so that it is an extension the hole 6 in the housing 2 forms.
  • the inside diameter of the Pipe section 5 corresponds to the diameter of the bore 6.
  • the insert 3 consists of three sections, namely from a first section 3 'with the screw thread 8a and the actuating head 8 is provided from a second tubular Section 3a, which is smaller in diameter than the inner diameter the bore 6 and the pipe section 5 and from an end piece 3b, which has a collar 16, which with a Sealing ring 7b is held in the manner of a piston in the pipe section 5.
  • the Insert 3 is therefore securely in the nozzle over its entire length held.
  • the length 5a of the pipe section 5 can be adjusted with the length of the Use, in particular with its pipe section 3a so that no segregation behind the mixing chamber 15 on the way to Nozzle mouthpiece 4 occurs.
  • Fig. 3 shows another embodiment in which the air supply opening 10b approximately at the same level as the connecting bores 14 Mixing chamber 15 are. Otherwise, all the same parts have the same parts Keep reference numbers as they are in the description of the exemplary embodiments 1 and 2 have already been used.
  • the Fig. 3 gives a special through the arrangement of the air supply opening compact design.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
EP02008688A 2002-04-18 2002-04-18 Buse binaire avec un insert changeables Expired - Lifetime EP1356868B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES02008688T ES2210203T3 (es) 2002-04-18 2002-04-18 Boquilla rociadora binaria con una pieza de insercion intercambiable.
DE50200123T DE50200123D1 (de) 2002-04-18 2002-04-18 Zweistoffsprühdüse mit wechselbarem Einsatz
AT02008688T ATE255468T1 (de) 2002-04-18 2002-04-18 Zweistoffsprühdüse mit wechselbarem einsatz
EP02008688A EP1356868B1 (fr) 2002-04-18 2002-04-18 Buse binaire avec un insert changeables
KR10-2002-0062683A KR100503777B1 (ko) 2002-04-18 2002-10-15 이중 물질 분무구

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02008688A EP1356868B1 (fr) 2002-04-18 2002-04-18 Buse binaire avec un insert changeables

Publications (2)

Publication Number Publication Date
EP1356868A1 true EP1356868A1 (fr) 2003-10-29
EP1356868B1 EP1356868B1 (fr) 2003-12-03

Family

ID=28685863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02008688A Expired - Lifetime EP1356868B1 (fr) 2002-04-18 2002-04-18 Buse binaire avec un insert changeables

Country Status (5)

Country Link
EP (1) EP1356868B1 (fr)
KR (1) KR100503777B1 (fr)
AT (1) ATE255468T1 (fr)
DE (1) DE50200123D1 (fr)
ES (1) ES2210203T3 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1847325A2 (fr) * 2006-04-19 2007-10-24 Delavan Limited Buse de pulvérisation
WO2008001301A3 (fr) * 2006-06-27 2008-02-21 Koninkl Philips Electronics Nv Appareil à tête de pulvérisation destiné à produire un jet pulvérisé de gouttelettes au moyen d'un gaz pour l'hygiène buccale
CN101351285B (zh) * 2006-01-11 2011-12-28 Sms西马格股份公司 用于连铸的方法和装置
CN102430731A (zh) * 2011-09-29 2012-05-02 营口中通控制设备制造有限公司 双旋流切向外混式水雾化喷嘴
WO2013017488A1 (fr) * 2011-07-29 2013-02-07 Sms Siemag Ag Dispositif de pulvérisation de réfrigérant dans une installation de technique sidérurgique
US8522858B2 (en) 2006-01-11 2013-09-03 Sms Siemag Aktiengesellschaft Method and apparatus for continuous casting
EP2698210A1 (fr) * 2012-08-15 2014-02-19 SMS Concast AG Installation de pulvérisation, en particulier pour la pulvérisation d'un flux de coulée
CN104624423A (zh) * 2013-11-06 2015-05-20 河北工业大学 气泡雾化喷嘴以及气泡雾化喷嘴的调节方法
DE102014206685A1 (de) 2013-12-23 2015-06-25 Sms Siemag Ag Verstelleinrichtung in einer Vorrichtung zur Kühlmittelbedüsung in einer hüttentechnischen Anlage
CN108453225A (zh) * 2017-02-17 2018-08-28 宝山钢铁股份有限公司 一种连铸二冷喷嘴及其使用方法
AT520006A1 (de) * 2017-06-07 2018-12-15 Primetals Technologies Austria GmbH Kühlmitteldüse zum kühlen eines metallischen strangs in einer stranggussanlage

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100810290B1 (ko) * 2004-12-14 2008-03-07 삼성전자주식회사 무선 통신 시스템에서 데이터 버스트 할당 방법 및 시스템
KR101016414B1 (ko) * 2010-02-08 2011-02-21 주식회사 휴먼텍 이중구조 정량 토출 카트리지
DE102011106494B4 (de) 2011-06-07 2022-03-03 Sms Group Gmbh Düsenvorrichtung und Strangführungsvorrichtung mit der Düsenvorrichtung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2068779A (en) * 1980-02-09 1981-08-19 Mannesmann Ag Device for spraying cooling agent on steel blooms
US4591099A (en) 1983-11-07 1986-05-27 Spraying Systems Co. Nozzle to provide fan-shaped spray pattern
US4989788A (en) * 1989-05-10 1991-02-05 Lechler Gmbh & Co. Kg Binary flat-jet nozzle for atomizing liquids
DE19507365A1 (de) * 1995-03-03 1996-09-05 Lechler Gmbh & Co Kg Vorrichtung zum Versprühen eines Zweistoffgemisches
DE19604902A1 (de) * 1996-02-10 1997-08-14 Lechler Gmbh & Co Kg Zweistoffdüse
US6036116A (en) * 1998-04-16 2000-03-14 Coltec Industries Inc Fluid atomizing fan spray nozzle
DE19841401A1 (de) * 1998-09-10 2000-04-06 Lechler Gmbh & Co Kg Zweistoff-Flachstrahldüse

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2068779A (en) * 1980-02-09 1981-08-19 Mannesmann Ag Device for spraying cooling agent on steel blooms
US4591099A (en) 1983-11-07 1986-05-27 Spraying Systems Co. Nozzle to provide fan-shaped spray pattern
US4989788A (en) * 1989-05-10 1991-02-05 Lechler Gmbh & Co. Kg Binary flat-jet nozzle for atomizing liquids
DE3915210C2 (fr) 1989-05-10 1992-07-09 Lechler Gmbh & Co Kg, 7012 Fellbach, De
DE19507365A1 (de) * 1995-03-03 1996-09-05 Lechler Gmbh & Co Kg Vorrichtung zum Versprühen eines Zweistoffgemisches
DE19507365C2 (de) 1995-03-03 2000-02-24 Lechler Gmbh & Co Kg Vorrichtung zum Versprühen eines Zweistoffgemisches
DE19604902A1 (de) * 1996-02-10 1997-08-14 Lechler Gmbh & Co Kg Zweistoffdüse
US6036116A (en) * 1998-04-16 2000-03-14 Coltec Industries Inc Fluid atomizing fan spray nozzle
DE19841401A1 (de) * 1998-09-10 2000-04-06 Lechler Gmbh & Co Kg Zweistoff-Flachstrahldüse

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8596335B2 (en) 2006-01-11 2013-12-03 Sms Siemag Aktiengesellschaft Method and apparatus for continuous casting
CN101351285B (zh) * 2006-01-11 2011-12-28 Sms西马格股份公司 用于连铸的方法和装置
US8522858B2 (en) 2006-01-11 2013-09-03 Sms Siemag Aktiengesellschaft Method and apparatus for continuous casting
EP1847325A3 (fr) * 2006-04-19 2010-06-02 Delavan Limited Buse de pulvérisation
EP1847325A2 (fr) * 2006-04-19 2007-10-24 Delavan Limited Buse de pulvérisation
WO2008001301A3 (fr) * 2006-06-27 2008-02-21 Koninkl Philips Electronics Nv Appareil à tête de pulvérisation destiné à produire un jet pulvérisé de gouttelettes au moyen d'un gaz pour l'hygiène buccale
CN101479048B (zh) * 2006-06-27 2012-08-29 皇家飞利浦电子股份有限公司 在口腔清洁中使用的生成气体辅助微滴喷雾的喷雾头装置
WO2013017488A1 (fr) * 2011-07-29 2013-02-07 Sms Siemag Ag Dispositif de pulvérisation de réfrigérant dans une installation de technique sidérurgique
CN102430731A (zh) * 2011-09-29 2012-05-02 营口中通控制设备制造有限公司 双旋流切向外混式水雾化喷嘴
EP2698210A1 (fr) * 2012-08-15 2014-02-19 SMS Concast AG Installation de pulvérisation, en particulier pour la pulvérisation d'un flux de coulée
WO2014026992A3 (fr) * 2012-08-15 2014-04-10 Sms Concast Ag Dispositif à buse de pulvérisation, destiné en particulier à asperger une barre de coulée
US10286446B2 (en) 2012-08-15 2019-05-14 Sms Concast Ag Spray nozzle device, in particular for spraying a cast strand
CN104624423A (zh) * 2013-11-06 2015-05-20 河北工业大学 气泡雾化喷嘴以及气泡雾化喷嘴的调节方法
DE102014206685A1 (de) 2013-12-23 2015-06-25 Sms Siemag Ag Verstelleinrichtung in einer Vorrichtung zur Kühlmittelbedüsung in einer hüttentechnischen Anlage
CN108453225A (zh) * 2017-02-17 2018-08-28 宝山钢铁股份有限公司 一种连铸二冷喷嘴及其使用方法
AT520006A1 (de) * 2017-06-07 2018-12-15 Primetals Technologies Austria GmbH Kühlmitteldüse zum kühlen eines metallischen strangs in einer stranggussanlage
CN110678278A (zh) * 2017-06-07 2020-01-10 首要金属科技奥地利有限责任公司 用于冷却连铸设备中的金属连铸坯的冷却剂喷嘴
AT520006B1 (de) * 2017-06-07 2021-08-15 Primetals Technologies Austria GmbH Kühlmitteldüse zum kühlen eines metallischen strangs in einer stranggussanlage
US11123793B2 (en) 2017-06-07 2021-09-21 Primetals Technologies Austria GmbH Coolant nozzle for cooling a metal strand in a continuous casting installation

Also Published As

Publication number Publication date
DE50200123D1 (de) 2004-01-15
ATE255468T1 (de) 2003-12-15
EP1356868B1 (fr) 2003-12-03
ES2210203T3 (es) 2004-07-01
KR20030083549A (ko) 2003-10-30
KR100503777B1 (ko) 2005-07-26

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