EP2698210A1 - Installation de pulvérisation, en particulier pour la pulvérisation d'un flux de coulée - Google Patents
Installation de pulvérisation, en particulier pour la pulvérisation d'un flux de coulée Download PDFInfo
- Publication number
- EP2698210A1 EP2698210A1 EP12005888.8A EP12005888A EP2698210A1 EP 2698210 A1 EP2698210 A1 EP 2698210A1 EP 12005888 A EP12005888 A EP 12005888A EP 2698210 A1 EP2698210 A1 EP 2698210A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spray nozzle
- air
- water
- mixing chamber
- nozzle device
- 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
- 239000007921 spray Substances 0.000 title claims abstract description 44
- 238000005507 spraying Methods 0.000 title claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000002156 mixing Methods 0.000 claims abstract description 49
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 238000005266 casting Methods 0.000 claims description 7
- 230000001914 calming effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000002663 nebulization Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B05B7/0483—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 gas and liquid jets intersecting in 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D30/00—Cooling castings, not restricted to casting processes covered by a single main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
Definitions
- the invention relates to a spray nozzle device, in particular for spraying a casting strand, comprising a mixing body having a diffuser-like mixing chamber, which is provided with an air inlet, a water inlet and a nozzle outlet arranged on the side opposite the air inlet, through which an air / water mixture emerges.
- Spray nozzles of this type are known to be used for cooling a casting strand during casting.
- the aim is to achieve as uniform a cooling effect as possible in order to prevent cracks in the hot glasstrack during the cooling process.
- the efforts to construct the spray nozzle so that the discharged cooling jet is structurally homogeneous.
- the required cooling effect is different from case to case, both for procedural reasons as well as due to the dimensions and / or the geometry of the deducted format.
- the conditions of use of the spray nozzle with respect to the air and / or water pressure or the air andlor water flow are variable.
- a spray nozzle arrangement of this kind is in the EP-0 161 307 revealed. It consists of a Vorvernebelungskopf and a nozzle mouth piece with its own mixing chamber, which is provided with a discharge opening for narrow fan-shaped spray patterns.
- the purpose of the arrangement is to produce in such spray patterns a spray jet which has a high degree of nebulization and contains liquid droplets of uniform size over the entire length and width.
- the invention has for its object to provide a spray nozzle of the type mentioned, which ensures a high degree of nebulization and high uniformity of the spray regardless of the casting process or format of the product to be cooled. Furthermore, this should also be ensured regardless of the set media pressures.
- the air inlet has a region projecting into the mixing chamber and is provided there with at least one air outlet bore directed approximately transversely to the longitudinal axis, while the water inlet is through at least one near the tip of the air inlet approximately transverse to the longitudinal axis directed bore ,
- this arrangement has the advantage that in her the air flow or the air pressure and the water flow or the water pressure do not influence each other to any appreciable extent, so that in procedural or format-related changes of these sizes of votes from the spray nozzle Cooling beam remains stable with respect to the degree of atomization and the uniformity of the cooling jet.
- the invention further provides that the air inlet of the mixing body is formed by a diaphragm projecting into the mixing chamber, which is provided in a plane transverse to its longitudinal axis with at least one circumferentially distributed radial outlet holes. This simplifies the manufacture, assembly and maintenance of the spray nozzle.
- the region of the air inlet nozzle projecting into the mixing chamber has an outer diameter of less than half the inner diameter of the mixing chamber.
- the air inlet nozzle can also be provided with a directed in the axial direction of the mixing chamber air outlet bore.
- the operation of the spray nozzle advantageous if its mixing chamber is cylindrical and has a length of preferably twice the inner diameter.
- the invention also provides that the mixing body has a replaceable nozzle head with an outlet opening for the air / water mixture, the geometry of which can be fixed according to the respectively required spray pattern. In this way, the nozzle can be easily adapted to variable operating conditions.
- the spray nozzle device according to Fig. 1 to Fig. 4 is used to spray a cast strand with an air / water mixture to cool it during casting.
- the mixing body 1 has a mixing chamber 2 which is provided with an air inlet 3, a water inlet 4 and a nozzle outlet 5.
- the mixing chamber 2 of the mixing body 1 is cylindrical. Its length is about twice the inner diameter of the mixing chamber.
- the air inlet 3 is arranged in an air inlet nozzle 6, the tip 7 of which protrudes into the upper region of the mixing chamber.
- the air inlet nozzle 6 is aligned coaxially with the mixing chamber 2, and its outer diameter is smaller there than half the inner diameter of the mixing chamber. In this area, it is provided with air outlet bores 9 which extend radially from the latter approximately transversely to the longitudinal axis of the mixing chamber and which are distributed uniformly circumferentially in a plane transverse to the longitudinal axis.
- the water inlet 4 opens into the mixing chamber 2 near the tip 7 of the air inlet 3 with a directed transversely to the longitudinal axis of the water outlet hole 11 whose distance from the tip 7 is dimensioned so that the water jet flowing from it does not affect the air outlet holes 9.
- the described spray nozzle is equipped with only one water outlet hole. In principle, it can also be provided with a plurality of circumferentially distributed water outlet holes.
- the water inlet 4 is formed by an approximately parallel to the longitudinal axis of the mixing body 1 extending bore 11 'and through this transverse water outlet hole 11.
- a replaceable filter 19 and subsequently a diaphragm 4' included and also it is provided with an overbore 11 ", which is formed as an extension starting from the transverse water outlet bore 11 and for calming the guided into the water outlet hole 11 Water serves.
- the radial air outlet holes 9 are designed with a slight angle to the vertical plane, wherein the inclination angle in a range of +/- max. 15 ° can vary. Moreover, they could also be oriented radially at least approximately tangentially, whereby a turbulence of the flowing into the mixing chamber water jet is generated, which brings a uniformly fine-structured nebulization of the air / water mixture with it.
- the cylindrically shaped mixing body 1 has in extension of the mixing chamber 2 a likewise cylindrical projection 14, on whose End of a replaceable nozzle head 15 with an air / water mixture outlet opening 16 is mounted.
- the compound of the nozzle head 15 on the mixing body 1 is arranged in the projection 14 of the mixing body.
- centering means 17 for positioning the nozzle head 15 to the mixing body 1 are indicated on the lower end face of the cylindrical projection 14.
- an orifice 4 'for throttling the supplied air or the water is provided in each case.
- Both the air outlet holes and the water outlet holes can be aligned instead of radially at least approximately tangentially.
- An extension tube could also be provided between the mixing body 1 and the nozzle outlet 5, for example if smaller formats of strands are cast.
- the graph shows the water pressure (bar) in the x-axis and the water and air flow (l / min or m 3 / h) in the y-axis.
- the air flow course 1A-2A and the water flow course 1B-2B are at a constant air pressure of 2 bar or 3 bar and a constant air flow of 6.0 m 3 / h and 7.8 m 3 / h shown.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
- Continuous Casting (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12005888.8A EP2698210B1 (fr) | 2012-08-15 | 2012-08-15 | Installation de pulvérisation, en particulier pour la pulvérisation d'un flux de coulée |
KR20157003906A KR20150042208A (ko) | 2012-08-15 | 2013-08-13 | 분사 노즐 장치, 특히 캐스트 스트랜드 분사용 분사 노즐 장치 |
US14/620,275 US10286446B2 (en) | 2012-08-15 | 2013-08-13 | Spray nozzle device, in particular for spraying a cast strand |
RU2015107120A RU2015107120A (ru) | 2012-08-15 | 2013-08-13 | Конструкция распылительного сопла, в частности, для обрызгивания литой непрерывной заготовки |
PCT/EP2013/066923 WO2014026992A2 (fr) | 2012-08-15 | 2013-08-13 | Dispositif à buse de pulvérisation, destiné en particulier à asperger une barre de coulée |
CN201380042934.5A CN104520012B (zh) | 2012-08-15 | 2013-08-13 | 尤其用于对铸坯进行喷洒的喷射喷嘴装置 |
BR112015003028A BR112015003028A2 (pt) | 2012-08-15 | 2013-08-13 | dispositivo de bocal spray, em particular para a aspersão de barras longas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12005888.8A EP2698210B1 (fr) | 2012-08-15 | 2012-08-15 | Installation de pulvérisation, en particulier pour la pulvérisation d'un flux de coulée |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2698210A1 true EP2698210A1 (fr) | 2014-02-19 |
EP2698210B1 EP2698210B1 (fr) | 2020-01-01 |
Family
ID=46888867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12005888.8A Active EP2698210B1 (fr) | 2012-08-15 | 2012-08-15 | Installation de pulvérisation, en particulier pour la pulvérisation d'un flux de coulée |
Country Status (7)
Country | Link |
---|---|
US (1) | US10286446B2 (fr) |
EP (1) | EP2698210B1 (fr) |
KR (1) | KR20150042208A (fr) |
CN (1) | CN104520012B (fr) |
BR (1) | BR112015003028A2 (fr) |
RU (1) | RU2015107120A (fr) |
WO (1) | WO2014026992A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4292716A1 (fr) | 2022-06-15 | 2023-12-20 | SMS Concast AG | Procédé de fabrication d'un dispositif de buse de pulvérisation, en particulier servant à la pulvérisation d'un brin de coulée lors de la coulée des produits métalliques, ainsi que dispositif de buse de pulvérisation |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2698210B1 (fr) | 2012-08-15 | 2020-01-01 | SMS Concast AG | Installation de pulvérisation, en particulier pour la pulvérisation d'un flux de coulée |
CN105413937A (zh) * | 2014-09-16 | 2016-03-23 | 上海百芬环境科技有限公司 | 微型雾化结构 |
CN106862511B (zh) * | 2017-03-06 | 2018-12-04 | 河钢股份有限公司邯郸分公司 | 连铸结晶器足辊过滤喷头 |
CN107649879A (zh) * | 2017-11-20 | 2018-02-02 | 湖州织里川蜀机械有限公司 | 一种新型双头钻孔攻丝机 |
CN107855506A (zh) * | 2017-11-27 | 2018-03-30 | 刘洋 | 用于轮毂的冷却设备 |
CN112098521A (zh) * | 2020-09-21 | 2020-12-18 | 广东韶钢松山股份有限公司 | 一种喷嘴堵塞点检测方法、喷嘴维护方法及装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2081606A (en) * | 1980-08-11 | 1982-02-24 | Spraying Systems Co | Atomizing nozzle |
EP0161307A1 (fr) | 1983-11-07 | 1985-11-21 | Spraying Systems Co | Ajutage pour jet pulverise en forme d'eventail. |
DE19505647A1 (de) * | 1995-02-18 | 1996-08-22 | Lechler Gmbh & Co Kg | Anordnung zum Versprühen eines Zweistoffgemisches |
DE19841401A1 (de) * | 1998-09-10 | 2000-04-06 | Lechler Gmbh & Co Kg | Zweistoff-Flachstrahldüse |
EP1243343A1 (fr) * | 2001-03-22 | 2002-09-25 | Lechler GmbH & Co.KG | Buse de vaporisation à deux fluides |
EP1356868A1 (fr) * | 2002-04-18 | 2003-10-29 | Lechler GmbH & Co.KG | Buse binaire avec un insert changeables |
JP2005131486A (ja) * | 2003-10-29 | 2005-05-26 | Kyoritsu Gokin Co Ltd | 噴霧ノズルおよび噴霧方法 |
EP1767277A2 (fr) * | 2005-09-23 | 2007-03-28 | Lechler GmbH | Buse à jet conique plein |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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US3796377A (en) * | 1972-06-01 | 1974-03-12 | Federal Investment Corp | Combination aerator and shower nozzle |
GB1519231A (en) * | 1976-01-26 | 1978-07-26 | Clerk E J | Producing spray |
US4343434A (en) * | 1980-04-28 | 1982-08-10 | Spraying Systems Company | Air efficient atomizing spray nozzle |
JPS5794361A (en) * | 1980-12-03 | 1982-06-11 | Yoshio Koyama | Method and device for minute particle spray |
US4793554A (en) * | 1987-07-16 | 1988-12-27 | Kraus Edmund J | Device for making artificial snow |
DE4120613A1 (de) * | 1991-06-20 | 1992-03-05 | Suesse Harald | Selbstregulierender hochdrucktrennstrahlbeschleuniger |
AU6795200A (en) * | 1999-08-26 | 2001-03-19 | Exxonmobil Research And Engineering Company | Superheating atomizing steam with hot fcc feed oil |
US20010043888A1 (en) * | 1999-08-26 | 2001-11-22 | Ito Jackson I. | Fluid atomization process |
CN1868601A (zh) * | 2005-05-23 | 2006-11-29 | 谢燕生 | 一种超细水雾射流喷枪 |
EP2071258A1 (fr) * | 2007-12-14 | 2009-06-17 | Bächler Top Track AG | Buse de canon à neige, utilisation d'une buse de canon à neige, canon à neige, canon à ventilateur et procédé de production de cristaux de neige et de neige artificielle |
EP2226139B1 (fr) | 2009-03-07 | 2016-09-28 | SMS Concast AG | Procédé de coulée en continu et dispositif de production d'ébauches de profilés, notamment des ébauches de profilés en T doubles |
EP2263816A1 (fr) | 2009-06-03 | 2010-12-22 | Concast Ag | Procédé et système pour guider et redresser une brame dans une machine à coulée continue pour des produits rondes de forte section |
CN202097052U (zh) * | 2011-03-31 | 2012-01-04 | 文山 | 一种可调水气混合节水器 |
US8820663B2 (en) * | 2011-08-03 | 2014-09-02 | Spraying Systems Co. | Pressurized air assisted spray nozzle assembly |
EP2698210B1 (fr) | 2012-08-15 | 2020-01-01 | SMS Concast AG | Installation de pulvérisation, en particulier pour la pulvérisation d'un flux de coulée |
-
2012
- 2012-08-15 EP EP12005888.8A patent/EP2698210B1/fr active Active
-
2013
- 2013-08-13 BR BR112015003028A patent/BR112015003028A2/pt not_active IP Right Cessation
- 2013-08-13 RU RU2015107120A patent/RU2015107120A/ru not_active Application Discontinuation
- 2013-08-13 WO PCT/EP2013/066923 patent/WO2014026992A2/fr active Application Filing
- 2013-08-13 CN CN201380042934.5A patent/CN104520012B/zh active Active
- 2013-08-13 US US14/620,275 patent/US10286446B2/en active Active
- 2013-08-13 KR KR20157003906A patent/KR20150042208A/ko not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2081606A (en) * | 1980-08-11 | 1982-02-24 | Spraying Systems Co | Atomizing nozzle |
EP0161307A1 (fr) | 1983-11-07 | 1985-11-21 | Spraying Systems Co | Ajutage pour jet pulverise en forme d'eventail. |
DE19505647A1 (de) * | 1995-02-18 | 1996-08-22 | Lechler Gmbh & Co Kg | Anordnung zum Versprühen eines Zweistoffgemisches |
DE19841401A1 (de) * | 1998-09-10 | 2000-04-06 | Lechler Gmbh & Co Kg | Zweistoff-Flachstrahldüse |
EP1243343A1 (fr) * | 2001-03-22 | 2002-09-25 | Lechler GmbH & Co.KG | Buse de vaporisation à deux fluides |
EP1356868A1 (fr) * | 2002-04-18 | 2003-10-29 | Lechler GmbH & Co.KG | Buse binaire avec un insert changeables |
JP2005131486A (ja) * | 2003-10-29 | 2005-05-26 | Kyoritsu Gokin Co Ltd | 噴霧ノズルおよび噴霧方法 |
EP1767277A2 (fr) * | 2005-09-23 | 2007-03-28 | Lechler GmbH | Buse à jet conique plein |
Non-Patent Citations (1)
Title |
---|
LECHLER GMBH: "Düsen und Systeme für die Hütten- und Walzwerktechnik", March 2012 (2012-03-01), XP002687083, Retrieved from the Internet <URL:https://shop.lechler.de/is-bin/intershop.static/WFS/LechlerDE-shop-Site/LechlerDE-Ship/de_DE/PDF/05_service_support/huettentechnik/broschueren/deutsch/prospekt_image_huettentechnik_0312.pdf> [retrieved on 20121113] * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4292716A1 (fr) | 2022-06-15 | 2023-12-20 | SMS Concast AG | Procédé de fabrication d'un dispositif de buse de pulvérisation, en particulier servant à la pulvérisation d'un brin de coulée lors de la coulée des produits métalliques, ainsi que dispositif de buse de pulvérisation |
Also Published As
Publication number | Publication date |
---|---|
US20150231694A1 (en) | 2015-08-20 |
CN104520012A (zh) | 2015-04-15 |
WO2014026992A3 (fr) | 2014-04-10 |
US10286446B2 (en) | 2019-05-14 |
RU2015107120A (ru) | 2016-10-10 |
WO2014026992A2 (fr) | 2014-02-20 |
CN104520012B (zh) | 2021-03-30 |
EP2698210B1 (fr) | 2020-01-01 |
KR20150042208A (ko) | 2015-04-20 |
BR112015003028A2 (pt) | 2017-07-04 |
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