ITMI20111092A1 - REFINED HOOD FOR THE CONTROLLED COOLING OF EXTRUDED ALUMINUM PROFILES OR OTHER METALS OUTPUT FROM THE EXTRUSION LINE. - Google Patents

REFINED HOOD FOR THE CONTROLLED COOLING OF EXTRUDED ALUMINUM PROFILES OR OTHER METALS OUTPUT FROM THE EXTRUSION LINE. Download PDF

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Publication number
ITMI20111092A1
ITMI20111092A1 IT001092A ITMI20111092A ITMI20111092A1 IT MI20111092 A1 ITMI20111092 A1 IT MI20111092A1 IT 001092 A IT001092 A IT 001092A IT MI20111092 A ITMI20111092 A IT MI20111092A IT MI20111092 A1 ITMI20111092 A1 IT MI20111092A1
Authority
IT
Italy
Prior art keywords
hood
cooling
profiles
fact
air
Prior art date
Application number
IT001092A
Other languages
Italian (it)
Inventor
Guido Zambetti
Original Assignee
Eagle Tech S R L
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 Eagle Tech S R L filed Critical Eagle Tech S R L
Priority to IT001092A priority Critical patent/ITMI20111092A1/en
Priority to EP12170805A priority patent/EP2535431A1/en
Priority to CN2012101868370A priority patent/CN102825090A/en
Priority to US13/526,348 priority patent/US20120317830A1/en
Publication of ITMI20111092A1 publication Critical patent/ITMI20111092A1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C29/00—Cooling or heating extruded work or parts of the extrusion press
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D11/00—Process control or regulation for heat treatments
    • C21D11/005—Process control or regulation for heat treatments for cooling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0006—Details, accessories not peculiar to any of the following furnaces
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02—Cooling
    • F27D15/0206—Cooling with means to convey the charge

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Extrusion Of Metal (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Description

"CAPPA PERFEZIONATA PER IL RAFFREDDAMENTO CONTROL-LATO DI PROFILI ESTRUSI DI ALLUMINIO 0 DI ALTRI METALLI IN USCITA DALLA LINEA DI ESTRUSIONE" "HOOD PERFECTED FOR THE CONTROL-SIDE COOLING OF EXTRUDED ALUMINUM PROFILES OR OTHER METALS LEAVING THE EXTRUSION LINE"

D E S C R I Z I O N E DESCRIPTION

L'oggetto del presente trovato à ̈ costituito da una cappa perfezionata, utilizzabile per raffreddare i profili estrusi di alluminio in uscita dalla linea di estrusione. The object of the present invention consists of an improved hood, which can be used to cool the extruded aluminum profiles leaving the extrusion line.

Come à ̈ noto, sono già utilizzate cappe atte a raffreddare con flussi di aria i profili estrusi in alluminio che escono dalle linee di estrusione ad elevata temperatura. As is known, hoods are already used to cool the extruded aluminum profiles that come out of the high temperature extrusion lines with air flows.

Le cappe attualmente in commercio, tuttavia, sono dotate di condotti che sono disposti perpendicolarmente alla direzione di avanzamento dei profili estrusi in alluminio che si debbono raffreddare. The hoods currently on the market, however, are equipped with ducts which are arranged perpendicularly to the direction of advancement of the extruded aluminum profiles to be cooled.

Tali cappe di tipo tradizionale presentano l'inconveniente di essere dotate di una scarsa efficienza e di richiedere la costruzione di ca e dotate di elevata lun hezza e che richiedono elevati flussi di aria per potere svolgere la loro funzione. Said traditional type hoods have the drawback of being equipped with poor efficiency and requiring the construction of AC and having a long length and requiring high air flows to be able to perform their function.

Ciò comporta consumi energetici molto elevati e l'utilizzazione di cappe dotate di una notevole lunghezza e, quindi, presentano ingombri elevati. This involves very high energy consumption and the use of hoods with a considerable length and, therefore, have large dimensions.

La cappa in oggetto si distingue da quelle tradizionali per il fatto di essere in grado di raffreddare molto più efficientemente i profili estrusi in alluminio in uscita dalle linee di estrusione e quindi dotate di elevate temperatura. The hood in question differs from the traditional ones in that it is able to cool much more efficiently the extruded aluminum profiles leaving the extrusion lines and therefore having high temperatures.

Le varie caratteristiche della cappa in oggetto potranno essere meglio comprese con l'ausilio delle varie figure dei disegni allegati in cui: The various characteristics of the hood in question can be better understood with the aid of the various figures of the attached drawings in which:

in figura 1 Ã ̈ rappresentata la cappa perfezionata in oggetto, in vista prospettica laterale superiore; Figure 1 shows the improved hood in question, in an upper lateral perspective view;

le figura 2 e 3 illustrano le bocchette di erogazione deH'aria di raffreddamento, le quali sono inclinate di angoli compresi fra i 20° e i 60°, rispetto alla direzione longitudinale di avanzamento dei profilati da sottoporre a raffreddamento; Figures 2 and 3 show the cooling air delivery outlets, which are inclined at angles between 20 ° and 60 °, with respect to the longitudinal direction of advancement of the sections to be cooled;

nelle figure 4 e 5 sono illustrate le direzioni di orientamento delle bocchette superiori ed eventualmente inferiori de aria utilizzata per il raffreddamento dei profilati precitati. Figures 4 and 5 show the orientation directions of the upper and possibly lower air vents used for cooling the aforementioned profiles.

Con particolare riferimento ai simboli numerici delle suddette figure, la presente cappa perfezionata 1 per il raffreddamento di profilati 2 in alluminio o di altri metalli o leghe che fuoriescono dalle linee di estrusione à ̈ caratterizzata dal fatto di essere dotata di bocchette 5 di ero azione deN'aria, inclinate di angoli variabili fra i 20° e i 60°, rispetto alla direzione longitudinale di scorrimento dei profili 2 sui rulli 3 lungo la suddetta linea di raffreddamento 4. With particular reference to the numerical symbols of the aforementioned figures, the present improved hood 1 for cooling profiles 2 in aluminum or other metals or alloys that come out of the extrusion lines is characterized by the fact that it is equipped with nozzles 5 for the action of air, inclined by angles varying between 20 ° and 60 °, with respect to the longitudinal direction of sliding of the profiles 2 on the rollers 3 along the aforementioned cooling line 4.

In particolare, la cappa 1 in oggetto à ̈ provvista di condotti 5 d'aria di raffreddamento che viene aspirata da ambiente esterno e viene convogliata nella cappa stessa. In particular, the hood 1 in question is provided with ducts 5 for cooling air which is aspirated from the external environment and is conveyed into the hood itself.

La particolarità delle bocchette 5 di raffreddamento di tale cappa consiste nel fatto che le stesse non sono disposte perpendicolarmente alla direzione di scorrimento dei profili da raffreddare, ma risultano inclinate di un angolo compreso fra i 20° e i 60°. The particularity of the cooling vents 5 of this hood consists in the fact that they are not arranged perpendicularly to the direction of sliding of the profiles to be cooled, but are inclined at an angle between 20 ° and 60 °.

Preferibilmente l'inclinazione delle bocchette 5 di convogliamento dell'aria che viene proiettata sui profili 2 da raffreddare corrisponde ad un angolo di circa 45°. Preferably, the inclination of the openings 5 for conveying the air which is projected onto the profiles 2 to be cooled corresponds to an angle of approximately 45 °.

Tale inclinazione à ̈ orientata in modo che l'aria venga proiettata sui profili 2 con una superficie di impatto più ampia e con una conseguente maggiore capacità di raffreddamento dei profili stessi. This inclination is oriented so that the air is projected onto the profiles 2 with a wider impact surface and with a consequent greater cooling capacity of the profiles themselves.

L'aumento teorico della capacità di raffreddamento ottenuta mediante la cappa 1 in oggetto à ̈ di circa il 40%. The theoretical increase in the cooling capacity obtained by means of the hood 1 in question is about 40%.

Tale caratteristica comporta un notevole risparmio energetico, con possibilità di ridurre la lunghezza delle cappe 1 , diminuendo la potenza dei ventilatori. This feature entails considerable energy savings, with the possibility of reducing the length of the hoods 1, reducing the power of the fans.

L'impianto di raffreddamento in oggetto può essere utilizzato esclusivamente ad aria, la quale viene proiettata sui profili da raffreddare mediante ugelli inclinati rispetto alla direzione di avanzamento dei profili secondo angoli compresi fra i 20° e i 60° . The cooling system in question can be used exclusively with air, which is projected onto the profiles to be cooled by means of nozzles inclined with respect to the direction of advancement of the profiles according to angles between 20 ° and 60 °.

La presente cappa perfezionata 1 Ã ̈ provvista di serrande 6 di regolazione del flusso dell'aria, con una regolazione di apertura e di chiusura di tipo lineare. The present improved hood 1 is provided with air flow adjustment dampers 6, with linear opening and closing adjustment.

Come à ̈ noto, i profili estrusi 2 presentano spesso pareti di spessore diverso. As is known, the extruded profiles 2 often have walls of different thickness.

Tali profili 2 devono essere raffreddati uniformemente per impedire che i medesimi si pieghino, per effetto di un raffreddamento non omogeneo. These profiles 2 must be cooled uniformly to prevent them from bending, due to an inhomogeneous cooling effect.

Nel caso di un raffreddamento ad acqua, si utilizzano ugelli atti a consentire una opportuna erogazione di acqua, in modo da rendere possibile un raffreddamento omogeneo. In the case of water cooling, nozzles are used to allow an appropriate supply of water, so as to make homogeneous cooling possible.

Anche gli ugelli ad acqua hanno una inclinazione di 20°/60° (preferibilmente 45°) con gli stessi vantaggi che si hanno con le bocchette ad aria derivanti dalla maggiore superficie di impatto con un miglioramento dell'efficienza anche in questo caso di circa il 40% rispetto alle cappe tradizionali. Even the water nozzles have an inclination of 20 ° / 60 ° (preferably 45 °) with the same advantages that are obtained with the air nozzles deriving from the greater impact surface with an improvement in efficiency also in this case of about the 40% compared to traditional hoods.

Nel caso si esegua un raffreddamento con acqua à ̈ previsto che il ventilatore della cappa, utilizzando collettori 5 dedicati, proietti aria sui profili 2, in modo da mantenere all'interno della cappa l'acqua utilizzata per il raffreddamento di tali profili estrusi. When cooling with water, the hood fan, using dedicated manifolds 5, projects air onto the profiles 2, in order to keep the water used for cooling these extruded profiles inside the hood.

La erfezionata 1 in à ̈ stata in recedenza descritta ed illustrata a puro titolo di esempio illustrativo, ma non limitativo delle caratteristiche della stessa. The package 1 in has been previously described and illustrated purely by way of illustrative example, but not limiting its characteristics.

Alla medesima potranno essere apportate opportune varianti e modifiche, il tutto senza uscire dall'ambito del presente trovato. Suitable variations and modifications may be made thereto, all without departing from the scope of the present invention.

Claims (8)

R I V E N D I C A Z I O N I 1 . Cappa perfezionata per il raffreddamento controllato di profili estrusi di alluminio e di altri metalli in uscita dalla loro linea di estrusione caratterizzata dal fatto che la stessa à ̈ dotata di bocchette di erogazione dell'aria inclinate di angoli variabili fra i 20 e i 60°, rispetto alla direzione longitudinale di scorrimento del profilo sulla suddetta linea di raffreddamento. R I V E N D I C A Z I O N I 1. Improved hood for the controlled cooling of extruded aluminum profiles and other metals coming out of their extrusion line characterized by the fact that it is equipped with inclined air delivery vents with angles varying between 20 and 60 °, with respect to to the longitudinal direction of sliding of the profile on the aforementioned cooling line. 2. Cappa perfezionata, come alla rivendicazione 1 , caratterizzata dal fatto che la stessa à ̈ provvista di condotti d'aria di raffreddamento, la quale viene aspirata dall'ambiente esterno ed à ̈ i convogliata nella cappa stessa. 2. Improved hood, as in claim 1, characterized in that it is provided with cooling air ducts, which is sucked in from the external environment and conveyed into the hood itself. 3. Cappa perfezionata, come alla rivendicazione 1 , caratterizzata dal fatto che l'inclinazione dei condotti di convogliamento dell'aria che viene proiettata sui profili da raffreddare corrisponde ad un angolo di circa 45 gradi, rispetto alla direzione di avanzamento dei profili. 3. Improved hood, as in claim 1, characterized in that the inclination of the ducts for conveying the air that is projected onto the profiles to be cooled corresponds to an angle of approximately 45 degrees, with respect to the direction of advancement of the profiles. 4. Cappa perfezionata, come alla rivendicazione 1 caratterizzata dal fatto che tale inclinazione à ̈ orientata in modo che l'aria venga proiettata sui profilo con un superficie di impatto più ampia e con una conseguente maggiore capacità di raffreddamento dei profili stessi. 4. Improved hood, as in claim 1, characterized by the fact that this inclination is oriented so that the air is projected onto the profiles with a wider impact surface and with a consequent greater cooling capacity of the profiles themselves. 5. Cappa perfezionata, come alla rivendicazione 1 , caratterizzata dal fatto che l'aumento teorico della sua capacità di raffreddamento à ̈ di circa 40% e che tale caratteristica comporta un notevole risparmio energetico con possibilità di ridurre la lun ghezza delle cappe diminuendo la potenza dei ventilatori. 5. Improved hood, as in claim 1, characterized by the fact that the theoretical increase in its cooling capacity is about 40% and that this characteristic entails considerable energy savings with the possibility of reducing the length of the hoods by decreasing the power of the fans. 6. Cappa perfezionata, come alla rivendicazione 1 , caratterizzata dal fatto che la stessa à ̈ provvista di serrande che regolano il flusso dell'aria con una loro regolazione di apertura e di chiusura di tipo lineare. 6. Improved hood, as in claim 1, characterized by the fact that it is provided with shutters which regulate the air flow with their linear opening and closing regulation. 7. Cappa perfezionata, come alla rivendicazione 1 , caratterizzata dal fatto che la stessa prevede anche un raffreddamento con acqua, utilizzando ugelli dotati di un'inclinazione di 20/60 gradi, preferibilmente di 45 gradi, atti a consentire una opportuna erogazione di acqua in modo da rendere possibile un raffreddamento più efficace ed omogeneo. 7. Improved hood, as in claim 1, characterized by the fact that it also provides for cooling with water, using nozzles with an inclination of 20/60 degrees, preferably of 45 degrees, suitable for allowing an appropriate supply of water in in order to make possible a more effective and homogeneous cooling. 8. Cappa perfezionata, come alla rivendicazione 1 , caratterizzata dal fatto che nel caso si esegua un raffreddamento con acua à ̈ previsto che il ventilatore della cappa, utilizzando due colettori dedicati, proietti aria sui profili in modo da mantenere della cappa l'acqua utilizzata per il raffreddamento di tali profili estrusi.8. Improved hood, as per claim 1, characterized by the fact that in the case of water cooling, the hood fan, using two dedicated manifolds, projects air onto the profiles in order to keep the water used from the hood. for cooling these extruded profiles.
IT001092A 2011-06-17 2011-06-17 REFINED HOOD FOR THE CONTROLLED COOLING OF EXTRUDED ALUMINUM PROFILES OR OTHER METALS OUTPUT FROM THE EXTRUSION LINE. ITMI20111092A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT001092A ITMI20111092A1 (en) 2011-06-17 2011-06-17 REFINED HOOD FOR THE CONTROLLED COOLING OF EXTRUDED ALUMINUM PROFILES OR OTHER METALS OUTPUT FROM THE EXTRUSION LINE.
EP12170805A EP2535431A1 (en) 2011-06-17 2012-06-05 Improved hood assembly for controllably cooling extruded section members of aluminium and other metal materials at an output of an extruding line therefor.
CN2012101868370A CN102825090A (en) 2011-06-17 2012-06-08 Improved hood assembly
US13/526,348 US20120317830A1 (en) 2011-06-17 2012-06-18 Hood Assembly for Controllably Cooling Extruded Section Members of Aluminium and Other Metal Materials at an Output of an Extruding Line Therefor.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT001092A ITMI20111092A1 (en) 2011-06-17 2011-06-17 REFINED HOOD FOR THE CONTROLLED COOLING OF EXTRUDED ALUMINUM PROFILES OR OTHER METALS OUTPUT FROM THE EXTRUSION LINE.

Publications (1)

Publication Number Publication Date
ITMI20111092A1 true ITMI20111092A1 (en) 2012-12-18

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IT001092A ITMI20111092A1 (en) 2011-06-17 2011-06-17 REFINED HOOD FOR THE CONTROLLED COOLING OF EXTRUDED ALUMINUM PROFILES OR OTHER METALS OUTPUT FROM THE EXTRUSION LINE.

Country Status (4)

Country Link
US (1) US20120317830A1 (en)
EP (1) EP2535431A1 (en)
CN (1) CN102825090A (en)
IT (1) ITMI20111092A1 (en)

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ITMO20130262A1 (en) * 2013-09-25 2015-03-26 Tek Mak S R L COOLING SYSTEM
CN104386456B (en) * 2014-10-29 2017-02-15 浙江家强铝业有限公司 Heat sink for material conveying line of aluminum bar
EP4348148A1 (en) * 2021-05-31 2024-04-10 SMS Group GmbH Forced air cooling for cooling long steel products

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US5284327A (en) * 1992-04-29 1994-02-08 Aluminum Company Of America Extrusion quenching apparatus and related method
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US4736529A (en) * 1985-01-30 1988-04-12 Carl Kramer Device for the uniform application of gas on a plane surface
US4790167A (en) * 1987-06-23 1988-12-13 Granco-Clark, Inc. Extrusion run-out table
US5327763A (en) * 1990-08-02 1994-07-12 Wsp Ingenieurgesellschaft Fur Warmetechnik Apparatus for cooling extrusion press profile sections
US5284327A (en) * 1992-04-29 1994-02-08 Aluminum Company Of America Extrusion quenching apparatus and related method
US5413314A (en) * 1992-06-19 1995-05-09 Alusuisse-Lonza Services Ltd. Spray unit for cooling extruded sections
EP0695590A1 (en) * 1994-07-20 1996-02-07 Alusuisse-Lonza Services AG Method and device for cooling hot-rolled metal plates and strips
EP1241273A2 (en) * 2001-03-16 2002-09-18 Kabushiki Kaisha Kobe Seiko Sho Process and device for jet cooling

Also Published As

Publication number Publication date
CN102825090A (en) 2012-12-19
US20120317830A1 (en) 2012-12-20
EP2535431A1 (en) 2012-12-19

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