EP2433707A1 - Procédé de dosage et de mélange de peintures - Google Patents

Procédé de dosage et de mélange de peintures Download PDF

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Publication number
EP2433707A1
EP2433707A1 EP11180854A EP11180854A EP2433707A1 EP 2433707 A1 EP2433707 A1 EP 2433707A1 EP 11180854 A EP11180854 A EP 11180854A EP 11180854 A EP11180854 A EP 11180854A EP 2433707 A1 EP2433707 A1 EP 2433707A1
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EP
European Patent Office
Prior art keywords
solid
container
phase
mixing
phase component
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
EP11180854A
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German (de)
English (en)
Other versions
EP2433707B1 (fr
Inventor
Luca Drocco
Mario Drocco
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/60—Mixing solids with solids
    • B01F23/64—Mixing solids with solids using rotatable mixing elements at the lower end of discharge hoppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/59—Mixing systems, i.e. flow charts or diagrams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/834—Mixing in several steps, e.g. successive steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/85—Mixing plants with mixing receptacles or mixing tools that can be indexed into different working positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/211—Measuring of the operational parameters
    • B01F35/2111—Flow rate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/211—Measuring of the operational parameters
    • B01F35/2117—Weight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel

Definitions

  • the invention relates to an innovative method for dosing and amalgamating powders or granulated materials into a liquid-phase component in order to obtain wall paints or coatings.
  • the components necessary for preparing such compounds include, accounting for 50% at most, liquid components such as, for example, water or paints; the remaining percentage includes solid-phase components such as powders and granulated materials.
  • Such powders and granulated materials normally constitute most of the compound mass inside the mixer, which is similar to a concrete mixer.
  • the mixing step normally takes a very long time because of the large volumes and masses involved inside the mixer, so that much time is required to obtain a product having the desired density, viscosity and homogeneity characteristics.
  • said compound is dosed into different containers, the capacity of which is often quite small, i.e. less than 30 litres.
  • the present invention aims at overcoming the above-mentioned problems by proposing a method for dosing and amalgamating wall paints and coatings wherein mixing takes place in small containers, thus making the production system more flexible and reducing both the production cost and the time necessary for preparing a stock of such compounds.
  • One aspect of the present invention relates to a method for dosing and amalgamating/mixing solid-phase components, such as powders, sand, marble and crushed stone, into a liquid-phase component in order to obtain wall paints and coatings characterized as set out in the appended claim 1.
  • solid-phase components such as powders, sand, marble and crushed stone
  • the method for dosing and amalgamating/mixing by means of at least one mixer or mixing device 2, at least one solid-phase component "S", e.g. powder, sand, marble or crushed stone, to be amalgamated/mixed with at least one liquid-phase component "L” in order to obtain wall paints and coatings with homogeneous mixtures, is applied to a production system 3 for making such products.
  • at least one solid-phase component "S” e.g. powder, sand, marble or crushed stone
  • Said method comprises the following operating steps:
  • Mixer 2 is essentially a device adapted to amalgamate/mix said at least one component "S" and said at least one component "L” when they have already been introduced and dosed into container 4, e.g. by plunging at least a mixing portion of mixer 2 into container 4.
  • Said mixer 2 is a stand-alone device, external to the structure of container 4 that contains the compound not yet amalgamated/mixed.
  • One embodiment of the method according to the present invention illustrated in Fig. 1 comprises: a step "a” of introducing, by means of at least one dosing system 6, at least one solid-phase component "S".
  • Said solid-phase component "S” is used for providing the final effect of the coating.
  • Said components "S” are introduced into container 4, intended for the final customers, by means of at least one dosing system 6, preferably a dosing apparatus 62A for solids.
  • Containers 4 are, for example, cans and buckets, preferably having a limited capacity not exceeding, for example, 50 litres.
  • dosing apparatus 62A for solids is a rotary valve, which ensures a controlled and accurate metering of the components being introduced.
  • Said pre-mixing step is carried out prior to step (a) of introducing the components into at least one container (4).
  • the mixing means creates a mixture of solid-phase components "S" as homogeneous as possible before step "a” of introducing at least one solid-phase component "S” into container 4 takes place.
  • Said pre-mixing is adapted to ensure a more homogeneous distribution of the solid phase.
  • Said at least one mixing means may be, for example, a worm screw or auger, or blades that mix said components "S".
  • Said mixing funnels 61 may be more than one and may receive one or more solid-phase components "S”.
  • each solid-phase component "S" is contained in at least one container for solids 12, e.g. silos for solids.
  • a further flow-rate adjustment step may be carried out wherein at least one flow-rate reduction funnel 9 changes the speed and flow rate at which the component "S" arrives at dosing systems 6 from the container 12 for solids, depending on specific requirements.
  • bottlenecks may be arranged along transport means 70.
  • Said flow-rate reduction funnel 9 and the various flow-rate reduction means used in system 3 are in a number appropriate to the dimensions and extension of system 3 itself.
  • An additional measurement step may also advantageously be carried out to measure the quantities of both the various solid-phase components "S” and the various liquid-phase components "L” to be introduced into container 4.
  • Said measurement step may be executed before or after the steps “a” and/or "b", depending on the measurement method in use.
  • the actual measurement occurs at predetermined measurement points 8, where said measurement step is carried out preferably by implementing volumetric measurement methods or by measuring the mass of the components.
  • step “a” and/or "b” container 4 is laid on scales that measure the residual mass and thus determine the mass of the output material by difference.
  • system 3 comprises at least one measurement point 8 including at least one funnel scale device, which receives the solid-phase components "S" and determines the mass of each.
  • the position of measurement points 8 depends on the technology employed for taking said measurement and on the component's density and specific weight.
  • the introduction of the components "S” is done by means of at least one dosing system 6 at at least one dosing point "P" along the chain of production system 3 for making said products.
  • Each dosing system 6 preferably comprises a containment funnel 63 receiving at least one solid-phase component "S", where, for example, the weight or the volume of the component can be determined before it is introduced into container 4.
  • An additional suction step is advantageously included which is adapted to suck both the dusts and the fumes generated during the introduction of both the solid-phase components "S" and the liquid-phase components "L", e.g. during the dosing step "a” to suck the dusts created in the air during said step, or during step “b” to suck the fumes created by the liquid-phase components "L” when the latter are, for example, solvents.
  • Step "a” of introducing the solid-phase component "S” is advantageously followed by a further step of eliminating any residues, e.g. from the transport means for solids 70, paying particular attention to the end portion thereof near dosing systems 6, so as to avoid contaminating the next production.
  • the transport means for solids 70 is preferably a tube adapted to convey the components "S" towards containment funnel 63 arranged above the dosing apparatus for solids 62A.
  • This step can be implemented, for example, by blowing compressed air into transport means 70 from at least one predetermined intake point 702 towards at least one drain valve 701, through which said residues are discharged.
  • An alternative method of implementation of said residue elimination step may require, for example, the sliding of at least one cleaning element inside transport means 70, e.g. a flexible tubular element of a size compatible with means 70.
  • Said cleaning element is inserted into transport means 70 at a predetermined insertion point 702 in order to push the production residues towards said at least one drain valve 701.
  • This step allows cleaning the transport means before reusing it for producing another compound.
  • Step “a” of introducing at least one component “S” is followed by step “b” of introducing, by means of at least one dosing system 6, at least one liquid-phase component “L” into at least one container 4 for the final customer.
  • at least one liquid-phase component “L” is introduced into container 4, preferably the water-based coating compound or solvents into which the solid-phase components "S” must be amalgamated/mixed, so as to obtain a product having the desired physical, density and viscosity properties.
  • Said at least one dosing apparatus for liquids 62B is preferably a rotary valve for liquids.
  • said introduction of said at least one component "L" may occur, for example, by volume or by mass as a function of the characteristics of the dosing device used in accordance with the above-described methods.
  • liquid-phase components "L" that must be stored inside containers 4 may be directly introduced into container 4 by using a corresponding number of dosing apparatuses for liquids 62B or may be advantageously subjected to an additional step of mixing the liquid-phase components "L".
  • step "b” Said step of mixing the components "L” is carried out prior to step "b", preferably by means of at least one dissolver for liquids 13, which receives at least two liquid-phase components "L” from as many containers for liquids 11, which are then mixed together and conveyed into at least one piping circuit 71 suitable for transporting liquids, wherein they are fed under pressure by means of at least one pump for liquids 73.
  • This solution can be implemented by placing into said at least one piping circuit 71 at least one flow diverter 5, adapted to divert the flow of the liquid component "L".
  • Said at least one diverter 5 allows introducing said component "L” before and/or after the solid-phase component "S” without altering neither the quality nor the physical characteristics of the final compound obtained through the present invention.
  • the amalgamation is executed on said at least one component "S” and said at least one component "L” previously introduced into container 4 intended for the final customer.
  • System 3 includes at least one mixer 2, which performs said amalgamation/mixing step "c".
  • Intermediate mixings may thus be executed by means of at least one mixer 2 located upstream of predetermined dosing points "P" for both the “S" and “L” components in order to obtain particular characteristics of the compound.
  • said at least one mixer 2 employed for executing step "c" essentially operates as described in the general principles of operation set out in patent application no. T02008A000008 .
  • a further typology of mixers which may be used for carrying out the amalgamation/mixing step "c" is, for example, a vibration mixer 2 which, by vibrating container 4, amalgamates/mixes the compound inside container 4 itself without coming directly in contact with the compound.
  • Said vibration mixer 2 also reduces the time necessary for producing said compounds, especially in systems 3 where different compounds are to be mixed.
  • mixers 2 as described in patent application T02008A000008 requires that the mixing portion immersed into container 4 be cleaned whenever the components "S" and "L” are changed, so as to avoid any contamination between different compounds.
  • container 4 containing the desired final product arrives at step "d" of closing containers 4 ready for sale.
  • container 4 which contains the final product to be sold, is closed by means of at least one covering means 41, such as thin films and covers, preferably hermetically.
  • said at least one covering means 41 is placed on top of container 4 and, through at least one closing mechanism 42, said at least one covering means 41 is secured to container 4.
  • the closing action carried out by said at least one closing mechanism 42 preferably ensures a hermetic seal.
  • amalgamation/mixing steps "c" can be carried out by a mixer 2 before or after step “d” of closing containers 4.
  • step “d” is executed before step "c", it is preferable to implement the amalgamation/mixing step “c" by using the above-mentioned vibration mixer 2, which vibrates the container already appropriately closed, or by using equivalent amalgamation methods adapted to amalgamate a compound inside a closed container 4.
  • step "c" is executed before the closing step “d"
  • a mixing step can be carried out between step “a” of introducing solid-phase components “S” and step “b” of introducing liquid-phase components “L”, preferably by using a vibration mixer 2 to speed up the production process and to avoid having to carry out a step of cleaning mixer 2, which would otherwise be required by an immersion mixer to prevent the compounds from being unintentionally contaminated, for example.
  • a further step may advantageously be added to the method according to the present invention for introducing at least one dye.
  • said at least one dye may be either in the solid phase or in the liquid phase.
  • the introduction of said at least one dye may occur by considering said dye as a solid-phase component "S” or a liquid-phase component "L".
  • the point along the chain of system 3 where the dye is introduced may vary according to the type of product to be obtained.
  • the present method is preferably implemented in an automatic production system 3 wherein the operator only has to select: the size of container 4; at least one solid-phase component "S”; at least one liquid-phase component "L”, and possibly a dye, so as to obtain the desired wall paint or coating.
  • Such a method, applied to a production system 3 for making said products, may be integrated into more complex and articulated systems; however, said method may also be implemented as a stand-alone system.
EP11180854.9A 2010-09-23 2011-09-12 Procédé de dosage et de mélange de peintures Active EP2433707B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO2010A000778A IT1402193B1 (it) 2010-09-23 2010-09-23 Metodo di dosaggio e amalgamatura per pitture e rivestimenti murari.

Publications (2)

Publication Number Publication Date
EP2433707A1 true EP2433707A1 (fr) 2012-03-28
EP2433707B1 EP2433707B1 (fr) 2014-03-05

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EP11180854.9A Active EP2433707B1 (fr) 2010-09-23 2011-09-12 Procédé de dosage et de mélange de peintures

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EP (1) EP2433707B1 (fr)
IT (1) IT1402193B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014137226A3 (fr) * 2013-03-05 2014-12-31 D'arcy Polychrome Limited Systèmes et procédés de couleur sèche
EP3586951A1 (fr) * 2018-06-28 2020-01-01 Jauhetekniikka Oy Appareil de distribution et procédé de formation d'un mélange de matériaux et utilisation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060124196A1 (en) * 2004-11-08 2006-06-15 Bartholomew Julie R Automated customized cosmetic dispenser
DE102006002545A1 (de) * 2006-01-18 2007-07-19 Ewald Dörken Ag Siliziumbasiertes Korrosionsschutzmittel
US20080051936A1 (en) * 2004-09-27 2008-02-28 Texo Application Ab Method And Arrangement For Automated Colour Mixing
US20090027995A1 (en) * 2007-07-26 2009-01-29 Ganado Technologies, Inc. Apparatus and method to feed livestock
WO2009117797A1 (fr) * 2008-03-28 2009-10-01 Rodrigues Ana Lucia Schmidt Louren Machine à mélanger, traiter et fermer hermétiquement des substances pour la préparation de produits cosmétiques et connexes, et procédures correspondantes pour la préparation de produits cosmétiques et connexes
WO2010015925A2 (fr) * 2008-08-08 2010-02-11 Rowol Consulting S.R.L. Système tintométrique pour la production de colorants de sérigraphie pour des produits céramiques, en particulier des tuiles, des briques, des dalles et similaires

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080051936A1 (en) * 2004-09-27 2008-02-28 Texo Application Ab Method And Arrangement For Automated Colour Mixing
US20060124196A1 (en) * 2004-11-08 2006-06-15 Bartholomew Julie R Automated customized cosmetic dispenser
DE102006002545A1 (de) * 2006-01-18 2007-07-19 Ewald Dörken Ag Siliziumbasiertes Korrosionsschutzmittel
US20090027995A1 (en) * 2007-07-26 2009-01-29 Ganado Technologies, Inc. Apparatus and method to feed livestock
WO2009117797A1 (fr) * 2008-03-28 2009-10-01 Rodrigues Ana Lucia Schmidt Louren Machine à mélanger, traiter et fermer hermétiquement des substances pour la préparation de produits cosmétiques et connexes, et procédures correspondantes pour la préparation de produits cosmétiques et connexes
WO2010015925A2 (fr) * 2008-08-08 2010-02-11 Rowol Consulting S.R.L. Système tintométrique pour la production de colorants de sérigraphie pour des produits céramiques, en particulier des tuiles, des briques, des dalles et similaires

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014137226A3 (fr) * 2013-03-05 2014-12-31 D'arcy Polychrome Limited Systèmes et procédés de couleur sèche
EP3586951A1 (fr) * 2018-06-28 2020-01-01 Jauhetekniikka Oy Appareil de distribution et procédé de formation d'un mélange de matériaux et utilisation

Also Published As

Publication number Publication date
ITTO20100778A1 (it) 2012-03-24
EP2433707B1 (fr) 2014-03-05
IT1402193B1 (it) 2013-08-28

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