EP4591007B1 - Tête de flammage et procédé d'assemblage et/ou de remplacement - Google Patents

Tête de flammage et procédé d'assemblage et/ou de remplacement

Info

Publication number
EP4591007B1
EP4591007B1 EP23787184.3A EP23787184A EP4591007B1 EP 4591007 B1 EP4591007 B1 EP 4591007B1 EP 23787184 A EP23787184 A EP 23787184A EP 4591007 B1 EP4591007 B1 EP 4591007B1
Authority
EP
European Patent Office
Prior art keywords
connection member
head
nozzle
distribution manifold
mixer
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.)
Active
Application number
EP23787184.3A
Other languages
German (de)
English (en)
Other versions
EP4591007C0 (fr
EP4591007A1 (fr
Inventor
Lino MAZZI
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP4591007A1 publication Critical patent/EP4591007A1/fr
Application granted granted Critical
Publication of EP4591007C0 publication Critical patent/EP4591007C0/fr
Publication of EP4591007B1 publication Critical patent/EP4591007B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/48—Nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/62—Mixing devices; Mixing tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D99/00—Subject matter not provided for in other groups of this subclass
    • F23D99/002—Burners specially adapted for specific applications
    • F23D99/004—Burners specially adapted for specific applications for use in particular heating operations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14641—Special features of gas burners with gas distribution manifolds or bars provided with a plurality of nozzles

Definitions

  • the present invention generally relates to the technical field of surface processing of products made of hard or semi-hard material, and in particular it relates to a flaming head for the surface flame processing of stone and/or ceramic materials.
  • the invention also relates to a method for assembling and/or replacing at least one nozzle and/or a first connection member, and/or the distribution manifold in the aforementioned flaming head.
  • the action of the jets is adapted to obtain the surface deformations, possibly associated with removal of material, to obtain surface alterations.
  • a typical processing which can be carried out with these processing heads is the flame treatment in which the surface of the product is exposed to local surface heating through the direct action of one or more high-temperature flames, generated through the combustion of a working fluid such as gas or mixture of gases ejected by one or more nozzles of the flaming head, as described e.g. in EP2194321 .
  • the action of the flames thus allows to obtain a surface texture whose configuration depends on various parameters, such as the distribution of the nozzles, distance, movement speed and trajectory thereof, as well as of the entire flaming head, with respect to the surface of the product, or of the outlet section of the nozzles.
  • the known surface processing apparatuses provided with multi-tool heads have nevertheless limitations in their operation, namely in maintenance operations with the replacement of various components of the flaming head thereof due to wear or upon reaching the maximum number of scheduled operation hours.
  • typical maintenance operations consist in the replacement of ducts for conveying working fluids and/or the replacement of nozzles for dispensing the above fluids, as well as the mixer and/or of the connection members among the various components of the processing head.
  • the flaming heads comprise at least one connection member to which there are screwed the nozzles and the ducts for conveying the fluids.
  • connection member to which there are screwed the nozzles and the ducts for conveying the fluids.
  • Such type of connection forces one to use manual tools for maintenance operations, such as wrenches or clamping piers.
  • the technical problem addressed by the present invention is to facilitate the maintenance of the worn-out elements of a flaming head.
  • the object of the present invention is to solve the aforementioned problem by providing a flaming head for the surface flame processing of stone and/or ceramic materials which is highly effective and cost-effective.
  • a particular object of the present invention is to conceive a flaming head of the type indicated above which allows the quick replacement of the components thereof.
  • Another object of the present invention is to provide a flaming head of the type indicated above which meets the UNI EN 561 standard requirements.
  • a further object of the present invention is to provide a flaming head of the type indicated above which allows to overcome the drawbacks related to the maintenance operations in the event of replacement of worn-out components, reducing the replacement times thereof.
  • Another object of the present invention is to provide a flaming head and an assembly and replacement method of the type indicated above which allows to reduce the difficulties related to manual removal and new insertion activities.
  • a further object of the present invention is to provide a flaming head and an assembly and replacement method of the type indicated above which have high flexibility of use.
  • a flaming head for the surface flame processing of stone and/or ceramic materials comprising a mixer of two or more working fluids operatively connected to respective supply lines for supplying working fluids to be mixed, a distribution manifold which can be coupled to at least one nozzle for dispensing a flame and a first connection member for connecting the mixer to the distribution manifold.
  • the at least one nozzle, the distribution manifold, the first connection member and the mixer are respectively provided with first, second and third quick coupling locking/unlocking elements adapted to reduce the assembly and/or replacement times.
  • the quick coupling locking/unlocking elements comprise at least one respective substantially cylindrical portion interacting with corresponding locking means for respectively locking the at least one nozzle to the distribution manifold, the distribution manifold to the first connection member and the latter to the mixer.
  • This combination of features allows an easy maintenance of the worn-out elements of a flaming head solely through simple manual pressing and without, or with limited aid of wrenches or clamping pliers.
  • the quick coupling locking/unlocking elements meet the UNI EN 561 standard requirements.
  • the invention also relates to a method for assembling and/or replacing at least one nozzle and/or of the first connection member, and/or of the distribution manifold in the flaming head, according to claim 10.
  • a flaming head indicated in its entirety with reference numeral 1, for the surface flame processing of stone and/or ceramic materials.
  • the head 1 may be used for processing products made of basic material of the stoneware type, such as stone, marble, granite, concrete material, conglomerates or the like or ceramic materials, and its derivatives, for carrying out surface processing thereon.
  • basic material of the stoneware type such as stone, marble, granite, concrete material, conglomerates or the like or ceramic materials, and its derivatives
  • the processing may be directed to obtain on the surface of a product, deformations possibly associated with removal of material to achieve a predetermined pattern or texture.
  • the processing may be carried out on the surface to create an ageing effect or an image, even complex.
  • the product may be in the form of a slab, plank, block or three-dimensional shaped not necessarily even.
  • a machine or system on which the head 1 can be applied which is not shown in the figures as it is of the well-known type, will essentially comprise a support surface on which the product is to be placed.
  • the support surface may possibly be horizontal for arranging the vacant surface of the product facing upwards and, therefore, towards the flaming head 1.
  • the head 1 may also process surfaces which are inclined or arranged on an inclined support surface with respect to the horizontal one, or even vertical at most.
  • the machine or system will further comprise a stationary or movable load-bearing structure, to which the head 1 is to be anchored, and supply means for supplying the head 1 with one or more working fluids, such as oxygen, gas, additives or flammable liquids.
  • working fluids such as oxygen, gas, additives or flammable liquids.
  • the flaming head 1 comprises a mixer 2 of two or more working fluids operatively connected to respective supply lines 3 for supplying working fluids to be mixed, as shown in FIGS. 1 and 2 .
  • the head 1 further comprises a distribution manifold 4 which can be coupled to at least one nozzle 5 for dispensing a flame, and a first substantially tubular-shaped connection member 6 for connecting the mixer 2 to the distribution manifold 4.
  • a distribution manifold 4 which can be coupled to at least one nozzle 5 for dispensing a flame
  • a first substantially tubular-shaped connection member 6 for connecting the mixer 2 to the distribution manifold 4.
  • the head 1 comprises a torch 7 for the connection and distribution of at least one first working fluid and connected to the mixer 2 through a second connection member 8.
  • the second connection member 8 is of the bayonet type and comprises at least one pair of pins 9 which can be snap fitted on the torch 7.
  • the mixer 2 is substantially cylindrical and comprises a plurality of inlets 10 for respective working fluids, an inner mixing chamber 11 and at least one outlet 12 for the mixed fluid.
  • one or more first gaskets 13 may be inserted between the torch 7 and the second connection member 8, and between the torch 7 and the mixer 2 to ensure the airtight sealing between these components of the head 1.
  • the distribution manifold 4 comprises a hollow body 14 which is substantially prismatic and closed at the ends 15 thereof.
  • the manifold 4 is provided on one side 14A of the hollow body 14 thereof with a plurality of seats 16 for a first cylindrical end 17 of the at least one nozzle 5 and on an opposite side 14B with a fitting 18 for the connection of the manifold 4 to the first connection member 6.
  • the first cylindrical end 17 of the at least one nozzle 5 can be inserted into the seat 16 by simple pressure and with the interposition of at least one second heat-resistant gasket 19, as better shown in FIGS. 6, 7 .
  • the at least one nozzle 5 has on the side 20 opposite to the first cylindrical end 17 several orifices 21 for directing the mixed fluid and a flame towards the surface of the product being processed, as shown in FIG. 3 .
  • a plurality of nozzles 5 which can be connected to the working fluids to direct respective fluid jets is associated with the hollow body 14 of the manifold 4.
  • nozzles 5 be designed to operate with a gas or other inflammable fluid, even liquid, suitable igniting means for the flammable jet may be provided, not illustrated in the drawings, which ignition means are arranged in proximity of the side 20 opposite to the first cylindrical end 17 or in proximity of the series of orifices 21 of the nozzle 5.
  • the mixer 2, the distribution manifold 4 and/or the first connection member 6 may comprise a refrigeration system of the per se known type.
  • the distribution manifold 4 may comprise a first 22 and a second opening 23 respectively configured for the inflow and outflow of a coolant.
  • the at least one nozzle 5, the distribution manifold 4, the first connection member 6 and the mixer 2 are respectively provided with first 24, second 25 and third quick coupling locking/unlocking elements 26 adapted to reduce the assembly and/or replacement times.
  • the quick coupling locking/unlocking elements 24, 25, 26 are provided with safety catches of the pin and/or fork type which act as anti-release safety elements.
  • Such locking/unlocking elements 24, 25, 26 comprise at least one respective preferably cylindrical portion 27, 28, 29 and respective locking means 30, 31, 32.
  • the portions 27, 28, 29 interact with the respective locking means 30, 31, 32 for respectively locking the at least one nozzle 5 to the distribution manifold 4, the latter to the first connection member 6 and the first connection member 6 to the mixer 2.
  • the first locking means 30 for locking the at least one nozzle 5 to the distribution manifold 4 comprise a grooved profile 33 formed in the first cylindrical end 17 of the nozzle 5, and a first pair of holes 34 formed in the distribution manifold 4.
  • the holes of the first pair of holes 34 will be aligned with the grooved profile 33 in the insertion direction of the respective first cylindrical portion 27.
  • the second locking means 31 comprise a second pair of holes 35 formed in the fitting 18 of the manifold 4, and a third pair of holes 36 formed in a first tubular portion 37 of the first connection member 6.
  • the first connection member 6 has the first tubular portion 37 facing towards the distribution manifold 4.
  • the third locking means 32 comprise a fourth pair of holes 38 formed in a second tubular portion 39 of the first connection member 6, and a pair of grooves 40 formed in the mixer 2.
  • the first connection member 6 has the second tubular portion 39 facing towards the mixer 2.
  • the holes of the fourth pair of holes 38 and the pair of grooves 40 of the mixer 2 will be aligned to each other in the insertion direction of the third cylindrical portion 29 of the third locking/unlocking elements 26.
  • a method for assembling and/or replacing the at least one nozzle 5 and/or the first connection member 6 and/or the distribution manifold 4 in a flaming head 1 of the type described above is provided.
  • the method provides at least the following steps:
  • the flaming head and the assembly and replacement method according to the invention achieve the preestablished objects and in particular they allow to facilitate the maintenance of the wearing out elements of the flaming head.
  • the present invention is applicable at industrial level because it can be manufactured on industrial scale by industries belonging to the field of surface processing of products made of stone and/or ceramic material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Claims (10)

  1. Tête de flammage (1) pour le traitement à la flamme de surface de matériaux en pierre et/ou en céramique, comprenant:
    - un mélangeur (2) pour deux ou plusieurs fluides de travail, relié de manière opérationnelle à des conduites d'alimentation respectives (3) pour fournir les fluides de travail à mélanger;
    - un collecteur de distribution (4) pouvant être couplé à au moins une buse (5) pour distribuer une flamme;
    - un premier élément de raccordement (6) pour raccorder ledit mélangeur (2) audit collecteur de distribution (4);
    caractérisé en ce que ladite au moins une buse (5), ledit collecteur de distribution (4), ledit premier élément de raccordement (6) et ledit mélangeur (2) sont respectivement pourvus de premiers (24), seconds (25) et troisièmes éléments de verrouillage/déverrouillage à raccordement rapide (26) adaptés pour réduire les temps d'assemblage et/ou de remplacement de ceux-ci, lesdits éléments de verrouillage/déverrouillage à raccordement rapide (24, 25, 26) étant pourvus de loquets de sécurité du type à goupille et/ou à fourche et comprenant au moins une partie respective sensiblement cylindrique (27, 28, 29) interagissant avec des moyens de verrouillage correspondants (30, 31, 32) pour verrouiller respectivement ladite au moins une buse (5) audit collecteur de distribution (4), ledit collecteur de distribution (4) audit premier élément de connexion (6), et ledit élément de connexion (6) audit mélangeur (2).
  2. Tête selon la revendication 1, caractérisée en ce que ledit collecteur de distribution (4) comprend un corps creux (14) qui est sensiblement prismatique et fermé aux extrémités (15), muni sur un côté (14A) d'une pluralité de sièges (16) pour une première extrémité cylindrique (17) de ladite au moins une buse (5) et sur un côté opposé (14B) d'un raccord (18) pour la connexion audit premier élément de connexion (6).
  3. Tête selon la revendication 2, caractérisée en ce que ladite première extrémité cylindrique (17) de ladite au moins une buse (5) peut être insérée par simple pression dans lesdits sièges (16) et avec l'interposition d'au moins un joint résistant à la chaleur (19).
  4. Tête selon la revendication 2, caractérisée en ce que lesdits moyens de verrouillage (30) dudit premier élément de verrouillage/déverrouillage (24) comprennent un profil rainuré respectif (33) formé dans ladite première extrémité cylindrique (17) de ladite au moins une buse (5) et une première paire de trous (34) formés dans ledit collecteur de distribution (4).
  5. Tête selon la revendication 2, caractérisée en ce que lesdits moyens de verrouillage (31) dudit deuxième élément de verrouillage/déverrouillage (25) comprennent une deuxième paire de trous (35) formés dans ledit raccord (18) et une troisième paire de trous (36) formés dans une première partie tubulaire (37) dudit premier élément de connexion (6).
  6. Tête selon la revendication 2, caractérisée en ce que lesdits moyens de verrouillage (32) dudit troisième élément de verrouillage/déverrouillage (26) comprennent une quatrième paire de trous (38) formés dans une deuxième partie tubulaire (39) dudit premier élément de raccordement (6) et une paire de rainures (40) formées dans ledit mélangeur (2).
  7. Tête selon la revendication 1, caractérisée en ce que ledit mélangeur (2) est sensiblement cylindrique et comprend une pluralité d'entrées (10) pour des fluides de travail respectifs, une chambre de mélange interne (11) et au moins une sortie (12) pour le fluide mélangé.
  8. Tête selon la revendication 2, caractérisée en ce que ladite au moins une buse (5) comporte une série d'orifices (21) situés sur le côté (20) opposé à ladite première extrémité cylindrique (17) pour diriger le fluide mélangé et une flamme vers la surface du produit en cours de traitement.
  9. Tête selon la revendication 1, caractérisée en ce qu'elle comprend une torche (7) pour le raccordement et la distribution d'au moins un premier fluide de travail, ladite torche (7) étant adaptée pour être couplée audit mélangeur (2) au moyen d'un deuxième élément de raccordement (8) de type baïonnette.
  10. Procédé d'assemblage et/ou de remplacement de ladite au moins une buse (5) et/ou dudit premier élément de raccordement (6) et/ou dudit collecteur de distribution (4) dans ladite tête de flammage (1), selon l'une ou plusieurs des revendications 1 à 9, comprenant au moins les étapes suivantes:
    - libérer ladite au moins une partie sensiblement cylindrique (27, 28, 29) des moyens de verrouillage respectifs (30, 31, 32) desdits éléments de verrouillage/déverrouillage à raccord rapide (24, 25, 26);
    - retirer dudit collecteur de distribution (4) ladite au moins une buse (5) et/ou ledit collecteur de distribution (4) dudit premier élément de raccordement (6) et/ou ledit élément de raccordement (6) dudit mélangeur (2);
    - remplacer au moins une nouvelle buse (5) et/ou ledit collecteur de distribution (4) et/ou ledit premier élément de raccordement (6) et/ou ledit mélangeur (2);
    - insérer la partie sensiblement cylindrique respective (27, 28, 29) dans les moyens de verrouillage respectifs (30, 31, 32) desdits éléments de verrouillage/déverrouillage à raccord rapide (24, 25, 26);
    lesdites étapes de retrait et d'insertion étant réalisées uniquement par simple pression manuelle et sans ou avec une aide limitée de clés ou de pinces de serrage.
EP23787184.3A 2022-09-21 2023-09-15 Tête de flammage et procédé d'assemblage et/ou de remplacement Active EP4591007B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102022000019311A IT202200019311A1 (it) 2022-09-21 2022-09-21 Testa di fiammatura e metodo di montaggio e/o sostituzione
PCT/IB2023/059186 WO2024062355A1 (fr) 2022-09-21 2023-09-15 Tête de flammage et procédé d'assemblage et/ou de remplacement

Publications (3)

Publication Number Publication Date
EP4591007A1 EP4591007A1 (fr) 2025-07-30
EP4591007C0 EP4591007C0 (fr) 2025-11-26
EP4591007B1 true EP4591007B1 (fr) 2025-11-26

Family

ID=84370680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23787184.3A Active EP4591007B1 (fr) 2022-09-21 2023-09-15 Tête de flammage et procédé d'assemblage et/ou de remplacement

Country Status (3)

Country Link
EP (1) EP4591007B1 (fr)
IT (1) IT202200019311A1 (fr)
WO (1) WO2024062355A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1303545A (fr) * 1970-12-21 1973-01-17
JPH0875074A (ja) 1994-09-07 1996-03-19 Kayaba Ind Co Ltd ポンプ用サクションコネクター
DE29608619U1 (de) * 1996-05-11 1997-09-04 Robert Bosch Gmbh, 70469 Stuttgart Brenner für ein Gasheizgerät
DE202006004046U1 (de) * 2005-02-17 2006-06-01 Rauschert Oberbettingen Gmbh Injektordüsen aus Kunststoff und deren Verwendung in Gasbrennern
KR100904884B1 (ko) * 2008-12-05 2009-06-29 황부성 수소산소 혼합가스 연소버너
CH705623A2 (de) 2011-09-29 2013-04-15 Peter A Mueller Steckkupplung für Fluid und/oder Strom.

Also Published As

Publication number Publication date
EP4591007C0 (fr) 2025-11-26
IT202200019311A1 (it) 2024-03-21
EP4591007A1 (fr) 2025-07-30
WO2024062355A1 (fr) 2024-03-28

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