ITBO20090604A1 - PLANT FOR THE PRODUCTION OF COMPOSITIONS, SUCH AS STUCKS, BINDERS AND THE LIKE, PARTICULARLY SUITABLE FOR USE IN THE TANNING INDUSTRY AND PROCEDURE FOR THE PRODUCTION OF SUCH COMPOSITIONS THROUGH SUCH A PLANT - Google Patents
PLANT FOR THE PRODUCTION OF COMPOSITIONS, SUCH AS STUCKS, BINDERS AND THE LIKE, PARTICULARLY SUITABLE FOR USE IN THE TANNING INDUSTRY AND PROCEDURE FOR THE PRODUCTION OF SUCH COMPOSITIONS THROUGH SUCH A PLANT Download PDFInfo
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- ITBO20090604A1 ITBO20090604A1 IT000604A ITBO20090604A ITBO20090604A1 IT BO20090604 A1 ITBO20090604 A1 IT BO20090604A1 IT 000604 A IT000604 A IT 000604A IT BO20090604 A ITBO20090604 A IT BO20090604A IT BO20090604 A1 ITBO20090604 A1 IT BO20090604A1
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- tank
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- production
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims description 24
- 238000000034 method Methods 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000011230 binding agent Substances 0.000 title claims description 9
- -1 STUCKS Substances 0.000 title claims description 4
- 239000000126 substance Substances 0.000 claims description 28
- 238000005406 washing Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
- B01F25/52—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle with a rotary stirrer in the recirculation tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
- B01F25/53—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is discharged from and reintroduced into a receptacle through a recirculation tube, into which an additional component is introduced
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/85—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
-
- 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
- B01F33/82—Combinations of dissimilar mixers
-
- 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
- B01F35/10—Maintenance of mixers
- B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
- B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
-
- 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
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
- B01F35/189—Venting, degassing or ventilating of gases, fumes or toxic vapours during mixing
-
- 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
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
- B01F23/413—Homogenising a raw emulsion or making monodisperse or fine emulsions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
- B01F27/1122—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades anchor-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
- B01F27/1125—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
-
- 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
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
-
- 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
-
- 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
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
-
- 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
- B01F35/90—Heating or cooling systems
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
DESCRIZION “Impianto per la produzione di composizioni, quali stucchi, leganti e simili, particolarmente adatti all'impiego nell'industria conciaria e procedimento per la produzione di tali composizioni mediante un tale impianto†DESCRIPTION â € œ Plant for the production of compositions, such as fillers, binders and the like, particularly suitable for use in the tanning industry and process for the production of such compositions by means of such a plantâ €
La presente invenzione riguarda un impianto per la produzione di composizioni, quali stucchi – anche detti “top†nel gergo del settore –, leganti e simili, particolarmente adatti all'impiego nell'industria conciaria. L’invenzione riguarda, inoltre, un procedimento per la produzione di tali composizioni mediante un tale impianto. The present invention relates to a plant for the production of compositions, such as putties - also called â € œtopâ € in the jargon of the sector -, binders and the like, particularly suitable for use in the tanning industry. The invention also relates to a process for the production of such compositions by means of such a plant.
Sono generalmente noti impianti per la produzione di composizioni per l'industria conciaria, quali stucchi, leganti e simili. Tuttavia, gli impianti di tipo noto non consentono di ottenere buoni risultati di ripetibilità combinata ad elevata produttività . Plants for the production of compositions for the tanning industry, such as putties, binders and the like, are generally known. However, known types of plants do not allow to obtain good results of repeatability combined with high productivity.
Scopo della presente invenzione à ̈ quello di fornire un impianto per la produzione di composizioni, quali stucchi, leganti e simili, particolarmente adatte all'impiego nell'industria conciaria, migliorato rispetto agli impianti di tipo noto e che, in particolare, consenta di ottenere ottimi risultati in termini di produttività , senza sacrificare la ripetibilità nella produzione delle composizioni, anche a distanza di tempo. The purpose of the present invention is to provide a plant for the production of compositions, such as fillers, binders and the like, particularly suitable for use in the tanning industry, improved with respect to known types of plants and which, in particular, allows to obtain excellent results in terms of productivity, without sacrificing repeatability in the production of compositions, even after some time.
Al fine di raggiungere tale scopo, la presente invenzione riguarda un impianto ed un procedimento come definiti nelle rivendicazioni che seguono. In order to achieve this object, the present invention relates to a plant and a process as defined in the following claims.
Caratteristiche e vantaggi risulteranno evidenti dalla descrizione dettagliata che segue di una forma preferita di attuazione dell'invenzione, con riferimento ai disegni annessi, dati a puro titolo di esempio non limitativo, in cui: Characteristics and advantages will become evident from the following detailed description of a preferred embodiment of the invention, with reference to the attached drawings, given purely by way of non-limiting example, in which:
<−>la figura 1 à ̈ uno schema semplificato di un impianto secondo la presente invenzione. <∠’> figure 1 is a simplified diagram of a plant according to the present invention.
Con riferimento alla figura 1, un impianto secondo la presente invenzione comprende un serbatoio 1, preferibilmente, ma non limitativamente, di forma sostanzialmente cilindrica e dotato di una parte superiore 2 ed una parte inferiore 3. With reference to Figure 1, a plant according to the present invention comprises a tank 1, preferably, but not limited to, substantially cylindrical in shape and equipped with an upper part 2 and a lower part 3.
Il serbatoio 1 contiene al proprio interno un primo mezzo di movimentazione o dispersore 4, comprendente un'asta 5 alla quale sono calettate una o più pale 6. Il dispersore 4 à ̈ collegato a primi mezzi attuatori 7, ad esempio costituiti da un motore, atti a porlo in rotazione con una velocità preferibilmente, anche se non limitativamente, compresa tra 20 giri/min. e 1450 giri/min.. The tank 1 contains inside a first means of movement or disperser 4, comprising a rod 5 to which one or more blades 6 are keyed. The disperser 4 is connected to first actuator means 7, for example constituted by a motor, adapted to set it in rotation with a speed preferably, even if not limited to, comprised between 20 rpm. and 1450 rpm.
All'interno del serbatoio 1 à ̈ presente anche un secondo mezzo di movimentazione 40 conformato sostanzialmente ad ancora e collegato a secondi mezzi attuatori 41, ad esempio costituiti da un motore, capaci di farlo ruotare ad una velocità preferibilmente, anche se non limitativamente, compresa tra 2 giri/min. e 30 giri/min.. Inside the tank 1 there is also a second movement means 40 substantially shaped like an anchor and connected to second actuator means 41, for example consisting of a motor, capable of making it rotate at a speed preferably, even if not limited to, included between 2 rpm. and 30 rpm.
Sul serbatoio 1, preferibilmente ma non limitativamente sulla sua parte superiore 2, Ã ̈ presente un boccaporto 8 per immettere manualmente sostanze direttamente all'interno del serbatoio 1. Il boccaporto 8 comprende un coperchio 9, preferibilmente ma non limitativamente di forma quadrata o rettangolare, incernierato al serbatoio 1 e mobile tra una posizione di chiusura, illustrata in figura 1, ed una posizione di apertura in cui tale coperchio 9 rimane inclinato sopra il boccaporto 8, favorendo la caduta all'interno del serbatoio 1 di eventuali residui e/o condensa depositatasi sul coperchio 9 durante il funzionamento dell'impianto. On the tank 1, preferably but not limited to its upper part 2, there is a hatch 8 for manually introducing substances directly into the tank 1. The hatch 8 comprises a lid 9, preferably but not limited to a square or rectangular shape, hinged to the tank 1 and movable between a closed position, illustrated in figure 1, and an open position in which this cover 9 remains inclined over the hatch 8, favoring the fall inside the tank 1 of any residues and / or condensate deposited on the cover 9 during the operation of the system.
Al serbatoio 1 Ã ̈ collegato, inoltre, un dispositivo di filtraggio 15 che consente di espellere sostanze polverulente da detto serbatoio 1 solo dopo averle filtrate. Preferibilmente, ma non limitativamente, il dispositivo di filtraggio 15 Ã ̈ connesso alla parte superiore 2 del serbatoio 1 e comprende un mezzo di aspirazione 16 ed almeno un filtro 17 in comunicazione fluida con un'uscita di dispositivo di filtraggio 18. Furthermore, a filtering device 15 is connected to the tank 1 which allows to expel powdery substances from said tank 1 only after having filtered them. Preferably, but not limitingly, the filtering device 15 is connected to the upper part 2 of the tank 1 and comprises a suction means 16 and at least one filter 17 in fluid communication with an outlet of the filtering device 18.
Sul serbatoio 1 à ̈ inoltre installato un organo di sfiato 10 per consentire la fuoriuscita di gas da detto serbatoio 1. Preferibilmente, ma non limitativamente, l'organo di sfiato 10 à ̈ disposto nelle vicinanze della parte superiore 2 del serbatoio 1 e comprende una valvola 12 atta al deflusso di gas dal serbatoio 1 verso l'esterno, durante l’immissione di liquidi. A vent member 10 is also installed on the tank 1 to allow gas to escape from said tank 1. Preferably, but not limited to, the vent member 10 is arranged in the vicinity of the upper part 2 of the tank 1 and comprises a valve 12 suitable for the outflow of gas from tank 1 towards the outside, during the introduction of liquids.
Il serbatoio 1 contiene almeno un dispositivo di lavaggio fisso 13 ed almeno un dispositivo di lavaggio mobile 42, per il lavaggio della parte interna di detto serbatoio 1. Detti dispositivi di lavaggio, fissi e mobili, comprendono ciascuno un organo di emissione o testina di lavaggio 14, 43, atta a spruzzare un fluido di lavaggio, ad esempio acqua, sulle pareti interne del serbatoio 1. L'almeno un dispositivo di lavaggio fisso 13 Ã ̈ preferibilmente, ma non limitativamente, disposto nella parte superiore 2 del serbatoio 1. Nell'almeno un dispositivo di lavaggio mobile 42, la testina di lavaggio 43 Ã ̈ connessa ad un albero 44 internamente cavo che consente il passaggio e la fornitura di acqua a detta testina di lavaggio 43. L'albero 44 Ã ̈ a sua volta connesso ad un organo attuatore 45 atto a far oscillare verticalmente detto albero 44 e quindi anche la testina di lavaggio 43 ad esso connessa. The tank 1 contains at least one fixed washing device 13 and at least one mobile washing device 42, for washing the internal part of said tank 1. Said washing devices, fixed and mobile, each comprise an emission member or washing head 14, 43, suitable for spraying a washing fluid, for example water, on the inner walls of the tank 1. The at least one fixed washing device 13 is preferably, but not limited to, arranged in the upper part 2 of the tank 1. In the 'at least one mobile washing device 42, the washing head 43 is connected to an internally hollow shaft 44 which allows the passage and supply of water to said washing head 43. The shaft 44 is in turn connected to an actuator member 45 adapted to cause said shaft 44 to oscillate vertically and therefore also the washing head 43 connected thereto.
L'impianto comprende inoltre un dispositivo di riscaldamento/raffreddamento 46 per innalzare od abbassare la temperatura nel serbatoio 1. Il dispositivo di riscaldamento/raffreddamento 46 comprende un complesso di condotti di servizio 47, almeno un ingresso di dispositivo 48 ed almeno un'uscita di dispositivo 49, rispettivamente, per l'immissione e l'espulsione di fluidi di riscaldamento o raffreddamento quali, ad esempio, aria, vapore, acqua. Sul complesso di condotti di servizio 47 à ̈ installata una pluralità di valvole 50, atta a regolare i flussi dei suddetti fluidi di riscaldamento o raffreddamento nel complesso di condotti di servizio 47. Almeno una parte del complesso di condotti di servizio 47 corre aderente, o vicina, a zone diverse della parte esterna del serbatoio 1, favorendo il trasferimento di calore da detta parte del complesso di condotti di servizio 47 al serbatoio 1 o viceversa, quando con il dispositivo di riscaldamento/raffreddamento 46 viene usato, rispettivamente, un fluido di riscaldamento o un fluido di raffreddamento. Il dispositivo di riscaldamento/raffreddamento 46 à ̈ in grado di attuare il riscaldamento o il raffreddamento, a seconda delle particolari esigenze del caso, su tutta, o quasi, la parte esterna del serbatoio 1, oppure solamente su specifiche zone della parte esterna di detto serbatoio 1. The system also comprises a heating / cooling device 46 for raising or lowering the temperature in the tank 1. The heating / cooling device 46 comprises a set of service ducts 47, at least one device inlet 48 and at least one outlet for device 49, respectively, for introducing and expelling heating or cooling fluids such as, for example, air, steam, water. A plurality of valves 50 is installed on the service duct assembly 47, adapted to regulate the flows of the aforementioned heating or cooling fluids in the service duct assembly 47. At least a part of the service duct assembly 47 runs adherent, or close, to different areas of the external part of the tank 1, favoring the transfer of heat from said part of the service duct assembly 47 to the tank 1 or vice versa, when a heating fluid is used with the heating / cooling device 46, respectively heating or cooling fluid. The heating / cooling device 46 is capable of heating or cooling, according to the particular needs of the case, on all or almost all of the external part of the tank 1, or only on specific areas of the external part of said tank 1.
Il serbatoio 1 presenta almeno un ingresso di serbatoio 20, per l'immissione non manuale di sostanze nel serbatoio 1, ed almeno un'uscita di serbatoio 21, per l'espulsione di sostanze dal serbatoio 1, disposti preferibilmente, ma non limitativamente, sulla parte superiore 2 e sulla parte inferiore 3 del serbatoio 1, rispettivamente. The tank 1 has at least one tank inlet 20, for the non-manual introduction of substances into the tank 1, and at least one tank outlet 21, for the expulsion of substances from the tank 1, preferably, but not limited to, on the top 2 and bottom 3 of tank 1, respectively.
Per prelevare predeterminate quantità di sostanze prima del loro ingresso nel serbatoio 1, a monte dell'almeno un ingresso di serbatoio 20 à ̈ installato un dispositivo di campionamento 22 comprendente una valvola 24. In order to withdraw predetermined quantities of substances before their entry into the tank 1, a sampling device 22 comprising a valve 24 is installed upstream of the at least one tank inlet 20.
Il presente impianto comprende uno o più ingressi di impianto 26 per l'immissione di sostanze nell'impianto, una o più uscite di impianto 27 per l'espulsione di sostanze dall'impianto, ed un complesso di condotti di processo 28 atto a porre in comunicazione fluida l'uno o più ingressi di impianto 26, l'una o più uscite di impianto 27, l'almeno un ingresso di serbatoio 20, l'almeno una uscita di serbatoio 21, l'almeno un dispositivo di lavaggio fisso 13, l'almeno un dispositivo di lavaggio mobile 42 e il dispositivo di filtraggio 15. This plant includes one or more plant inlets 26 for the introduction of substances into the plant, one or more plant outlets 27 for the expulsion of substances from the plant, and a complex of process conduits 28 suitable for placing fluid communication the one or more system inlets 26, the one or more system outlets 27, the at least one tank inlet 20, the at least one tank outlet 21, the at least one fixed washing device 13, the at least one mobile washing device 42 and the filtering device 15.
L'impianto comprende, inoltre, una o più macchine di movimentazione 29, ad esempio pompe, collegate al complesso di condotti di processo 28, per la movimentazione delle sostanze nell'impianto. Sul complesso di condotti di processo 28 à ̈ installata una pluralità di valvole 30 per regolare il flusso di sostanze nell'impianto. The plant also comprises one or more handling machines 29, for example pumps, connected to the complex of process conduits 28, for handling the substances in the plant. A plurality of valves 30 are installed on the complex of process conduits 28 to regulate the flow of substances in the plant.
L'impianto comprende anche uno o più dispositivi di misura 31 per misurare determinate caratteristiche fisiche, quali pressione, temperatura e peso, delle sostanze che circolano nell'impianto. The plant also comprises one or more measuring devices 31 for measuring certain physical characteristics, such as pressure, temperature and weight, of the substances circulating in the plant.
L'impianto secondo la presente invenzione à ̈ collegato ad un dispositivo di comando e controllo, non illustrato per semplicità di rappresentazione, atto a governare il funzionamento e le interazioni dei componenti di detto impianto. The plant according to the present invention is connected to a command and control device, not illustrated for simplicity of representation, suitable for governing the operation and interactions of the components of said plant.
Il procedimento per la produzione, mediante l'impianto sopra descritto, di composizioni quali stucchi, leganti e simili particolarmente adatti all'impiego nell'industria conciaria, comprende una iniziale fase di carico nel serbatoio 1 di predeterminate quantità di sostanze dall'almeno un ingresso di serbatoio 20 e/o dal boccaporto 8. Tali sostanze sono diverse, in natura e quantità , a seconda della particolare composizione che si desidera produrre tramite il suddetto impianto. Alla iniziale fase di carico segue una fase di riflusso o ricircolo in cui il miscuglio di sostanze contenuto nel serbatoio 1 viene fatto uscire dall'almeno una uscita di serbatoio 21 e rientrare dall'almeno un ingresso di serbatoio 20 attraverso il complesso di condotti di processo 28. Durante la fase di riflusso può essere prelevata una determinata quantità del miscuglio in riflusso mediante il dispositivo di campionamento 22. The process for the production, by means of the plant described above, of compositions such as fillers, binders and the like, particularly suitable for use in the tanning industry, comprises an initial phase of loading into the tank 1 of predetermined quantities of substances from at least one inlet of tank 20 and / or hatch 8. These substances are different, in nature and quantity, according to the particular composition that is to be produced through the aforementioned system. The initial loading phase is followed by a reflux or recirculation phase in which the mixture of substances contained in the tank 1 is made to leave the at least one tank outlet 21 and re-enter from the at least one tank inlet 20 through the complex of process conduits. 28. During the reflux phase, a certain quantity of the reflux mixture can be withdrawn by means of the sampling device 22.
Per mescolare il miscuglio di sostanze presente nel serbatoio 1, viene attivato il secondo mezzo di movimentazione 40 per un certo periodo di tempo necessario allo scopo, ad una velocità tra 2 giri/min. e 30 giri/min. in base alla quantità , alla viscosità ed alla omogeneità che si vuole ottenere. Per ottenere un ulteriore mescolamento, dispersione ed omogeneizzazione del miscuglio nel serbatoio 1, in contemporanea al funzionamento del secondo mezzo di movimentazione 40 viene posto in funzione il dispersore 4 per un periodo di tempo variabile, ad una velocità tra 20 giri/min. e 1450 giri/min.. Il secondo mezzo di movimentazione 40 e il dispersore 4 possono agire anche singolarmente, ovvero non contemporaneamente. In order to mix the mixture of substances present in the tank 1, the second handling means 40 is activated for a certain period of time necessary for the purpose, at a speed between 2 rpm. and 30 rpm. based on the quantity, viscosity and homogeneity to be obtained. In order to obtain a further mixing, dispersion and homogenization of the mixture in the tank 1, the disperser 4 is put into operation for a variable period of time, at a speed between 20 rpm, simultaneously with the operation of the second handling means 40. and 1450 rpm. The second handling means 40 and the disperser 4 can also act individually, or not simultaneously.
Durante le operazioni di mescolamento, può essere messo in funzione anche il dispositivo di riscaldamento/raffreddamento 46 in modo da sottoporre il serbatoio 1, e quindi anche il suo contenuto, ad una fase di riscaldamento, ad esempio ma non limitativamente fino a circa 98 °C, a seconda delle necessità , e ad una successiva fase di raffreddamento, ad esempio ma non limitativamente fino a 20 °C circa, a seconda del fluido refrigerante impiegato. During the mixing operations, the heating / cooling device 46 can also be put into operation so as to subject the tank 1, and therefore also its contents, to a heating phase, for example but not limited to up to about 98 ° C, according to needs, and to a subsequent cooling phase, for example but not limited to about 20 ° C, depending on the refrigerant fluid used.
Al termine delle fasi operative sopra descritte, la composizione ottenuta nel serbatoio 1 viene sottoposta alle operazioni di confezionamento ed imballaggio attraverso l'uscita di impianto 27. At the end of the operating steps described above, the composition obtained in the tank 1 is subjected to the packing and packaging operations through the plant outlet 27.
Dopo lo svuotamento del serbatoio 1 per il confezionamento della composizione, vengono attivati il dispositivo di lavaggio fisso 13 e il dispositivo di lavaggio mobile 42, singolarmente o in coppia, per lavare e ripulire la parte interna del serbatoio 1. Terminato il funzionamento dei suddetti dispositivi di lavaggio 13, 42, il fluido di lavaggio, ad esempio acqua, viene espulso dall'impianto mediante una uscita di impianto 27. After the tank 1 has been emptied for packaging the composition, the fixed washing device 13 and the mobile washing device 42 are activated, individually or in pairs, to wash and clean the inside of the tank 1. Once the operation of the aforementioned devices is finished 13, 42, the washing fluid, for example water, is expelled from the plant by means of a plant outlet 27.
Naturalmente, fermo restando il principio del trovato, le forme di attuazione ed i particolari di realizzazione potranno ampiamente variare rispetto a quanto descritto ed illustrato, senza per questo uscire dall'ambito dell'invenzione. Naturally, the principle of the invention remaining the same, the forms of embodiment and details of construction may vary widely with respect to what has been described and illustrated, without thereby departing from the scope of the invention.
Claims (14)
Priority Applications (1)
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ITBO2009A000604A IT1396114B1 (en) | 2009-09-23 | 2009-09-23 | PLANT FOR THE PRODUCTION OF COMPOSITIONS, SUCH AS STUCKS, BINDERS AND THE LIKE, PARTICULARLY SUITABLE FOR USE IN THE TANNING INDUSTRY AND PROCEDURE FOR THE PRODUCTION OF SUCH COMPOSITIONS THROUGH SUCH A PLANT. |
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ITBO2009A000604A IT1396114B1 (en) | 2009-09-23 | 2009-09-23 | PLANT FOR THE PRODUCTION OF COMPOSITIONS, SUCH AS STUCKS, BINDERS AND THE LIKE, PARTICULARLY SUITABLE FOR USE IN THE TANNING INDUSTRY AND PROCEDURE FOR THE PRODUCTION OF SUCH COMPOSITIONS THROUGH SUCH A PLANT. |
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WO2001056687A1 (en) * | 2000-01-31 | 2001-08-09 | Tetra Laval Holdings & Finance S.A. | Mixing method and apparatus |
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DE10202084A1 (en) * | 2002-01-21 | 2003-08-07 | Alwin Berents Gmbh & Co Kg | Machine for mixing and homogenizing products e.g. suppositories, which melt/harden at a given temperature, comprises a double-mantle heated mixing vessel with a homogenizer at the base and an additional chopper to break down hard materials |
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DE102008045820A1 (en) * | 2008-09-05 | 2010-04-08 | Axel Wittek | Transition elements for passing a dispersion in the treatment in a rotor-stator dispersing machine |
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US3893811A (en) * | 1971-03-08 | 1975-07-08 | Valspar Corp | Apparatus for producing polyamide esters |
EP0570335A1 (en) * | 1992-04-30 | 1993-11-18 | Urs Liechti | Device and process for mixing a pulverulent solid component to a liquid material |
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EP1227178A2 (en) * | 2001-01-24 | 2002-07-31 | Bayer Faser GmbH | Process and apparatus for separating oil from chopped sized elastan fibres |
DE10202084A1 (en) * | 2002-01-21 | 2003-08-07 | Alwin Berents Gmbh & Co Kg | Machine for mixing and homogenizing products e.g. suppositories, which melt/harden at a given temperature, comprises a double-mantle heated mixing vessel with a homogenizer at the base and an additional chopper to break down hard materials |
DE102004062703A1 (en) * | 2004-12-21 | 2006-06-22 | Henkel Kgaa | Mixing container for mixing liquids with liquids, solids and/or gases comprises current breakers arranged on base of boiler or on lid to rotate about vertical axis |
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DE102008045820A1 (en) * | 2008-09-05 | 2010-04-08 | Axel Wittek | Transition elements for passing a dispersion in the treatment in a rotor-stator dispersing machine |
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