EP1384503B1 - Procédé et appareil pour mélanger des quantités dosées de composants pompables - Google Patents

Procédé et appareil pour mélanger des quantités dosées de composants pompables Download PDF

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Publication number
EP1384503B1
EP1384503B1 EP03102052A EP03102052A EP1384503B1 EP 1384503 B1 EP1384503 B1 EP 1384503B1 EP 03102052 A EP03102052 A EP 03102052A EP 03102052 A EP03102052 A EP 03102052A EP 1384503 B1 EP1384503 B1 EP 1384503B1
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EP
European Patent Office
Prior art keywords
components
component
pump
mixer
mixing
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.)
Revoked
Application number
EP03102052A
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German (de)
English (en)
Other versions
EP1384503A3 (fr
EP1384503A2 (fr
Inventor
Norbert Bähr
Dipl.-Ing. Frank Leider
Dipl.-Ing. Torsten Kolweyh
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.)
Bahr Bremen - Industrie Technik GmbH
Original Assignee
Bahr Bremen - Industrie Technik GmbH
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Publication date
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Application filed by Bahr Bremen - Industrie Technik GmbH filed Critical Bahr Bremen - Industrie Technik GmbH
Publication of EP1384503A2 publication Critical patent/EP1384503A2/fr
Publication of EP1384503A3 publication Critical patent/EP1384503A3/fr
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Classifications

    • 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
    • B01F23/47—Mixing liquids with liquids; Emulsifying involving high-viscosity liquids, e.g. asphalt
    • 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
    • B01F23/49—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
    • 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
    • B01F35/21112—Volumetric 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
    • B01F35/22—Control or regulation
    • B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
    • B01F35/2211—Amount of delivered fluid during a period
    • 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
    • B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
    • B01F35/831—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices using one or more pump or other dispensing mechanisms for feeding the flows in predetermined proportion, e.g. one of the pumps being driven by one of the flows
    • B01F35/8311—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices using one or more pump or other dispensing mechanisms for feeding the flows in predetermined proportion, e.g. one of the pumps being driven by one of the flows with means for controlling the motor driving the pumps or the other dispensing mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D2210/00—Indexing scheme relating to aspects and details of apparatus or devices for dispensing beverages on draught or for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D2210/00028—Constructional details
    • B67D2210/00128—Constructional details relating to outdoor use; movable; portable
    • B67D2210/00133—Constructional details relating to outdoor use; movable; portable wheeled

Definitions

  • the invention relates to a method for the metered mixing of pumpable, in particular pasty and / or liquid, components with each other, which are continuously fed by means of a component pump in coordinated dosages a mixer for direct removal for subsequent processing. Furthermore, the invention relates to a device for the metered mixing of pumpable, in particular pasty and / or liquid components with each other, each with a supply line, a component pump and a flow meter for each component and a mixer for the components, wherein the component pump is a continuously operating feed pump ,
  • EP 0 701 025 A2 describes a method and apparatus for mixing a two-component coating for a spray gun.
  • No. 6,280,075 B1 describes a method and a device for metered mixing of liquid foods.
  • GB 391 920 A discloses a heated barrel lance for tar casks.
  • the substances to be mixed are pumped by intermittently operated component pumps in batches into a mixing chamber and from there into a tube mixer, where the components are mixed.
  • the amount of introduced into the mixing chamber components is monitored by a Coriolis mass meter that closes a lockable injector before reaching the mixing chamber on reaching the prescribed amount and thus prevents the further introduction of the respective component.
  • the mixing does not take place continuously, but discontinuously. If you wanted to allow a continuous removal of the finished mixed product here, a buffer would be required following the pipe mixer.
  • Discontinuous mixing is inappropriate whenever the ready-mixed product needs to be provided for subsequent processing or the like in a continuous mass flow. This requirement is given for example in laminating machines in which z. B. film webs are continuously bonded together. The film webs run over an applicator roll for the adhesive and are coated with the adhesive and then glued together. The applicator roll must be continuously supplied with adhesive, otherwise laminating errors could occur.
  • the adhesive itself is usually a solvent-containing (LH) or solvent-free (LF) two-component adhesive from a binder and a curing agent, which must be mixed on site, ie immediately before application to the applicator roll.
  • the invention is based on the problem of proposing a method and an apparatus for continuously mixing pumpable components with which components of high viscosity can be continuously mixed.
  • the inventive method is characterized in that at least one of the components to be mixed in order to reduce their viscosity during removal from their reservoir and during their entire transport path from the reservoir to at least heated to the mixer, and the device according to the invention characterized in that Cables for at least one of the components are heated.
  • the components in the mixer are also mixed continuously and can be continuously fed to subsequent processing.
  • a component pump is particularly well suited an eccentric screw, preferably a Moineaupumpe, since in this type of pump, the flow is only dependent on the rotor speed. These pumps are therefore very easy to control.
  • the component pumps are preferably regulated as a function of signals of a flow measurement, in particular a Coriolis flow measurement.
  • the signals of the individual flow measurements of each component flow should be be summarized in a central control unit to achieve matched flow rates of the individual components and thus exact dosages. In general, however, it is sufficient if the signal each flow measurement is used only for the control of the "own" component pump to obtain a precisely predetermined volume flow. This also ensures an exact dosage already.
  • Coriolis flowmeters are therefore particularly suitable for the present application because, due to their measuring principle, the flow rate is independent of the component properties, such. B. density and viscosity, with a measurement accuracy of ⁇ 0.15%. A separate error correction for z. B. due to temperature fluctuations in the mixing plant varying viscosities and / or densities is not required.
  • a backwashing line for the components is provided.
  • the components can be pumped in the circulation without the need to stop the removal of finished mixed product from the mixer.
  • the component pumps can thus continue to operate without interruption even in such a case, so that start-up losses or Anfahrdosierutiliz be avoided.
  • the substances to be mixed (components) in question here often have a viscosity at room temperature which makes them unsuitable for removal from storage containers by suction.
  • the negative pressure generated by the component pump is not sufficient for this purpose.
  • so-called barrel punches are usually provided which press from above on the components and thus press the components into a removal lance, such as a barrel lance, for removal of the components from the container.
  • the heater is preferably spirally wound around the conduit. An electrical resistance heating is suitable for the present application.
  • an actual flow rate is compared with a desired flow rate by means of comparison means.
  • This Ist micflußmenge can be measured for example by means of the flow meter.
  • the operating state of one of the component pumps can be monitored.
  • the speed of the screw can be used to determine a desired flow rate.
  • the deviation between the actual flow rate and the target flow rate exceeds an upper threshold or a lower threshold falls short, this indicates a malfunction.
  • an upper threshold value it can be assumed that because of a clogging of the supply line, an increased operating pressure must be built up by the component pumps in order to convey the desired actual quantity.
  • the malfunction should expediently be displayed and / or a method step for correcting the malfunction should be carried out.
  • This may for example consist in a defined shutdown and a request to perform a suitable measure to correct the malfunction, for example, may be requested for rinsing or Auslitern, in which the actual flow rate of hardener and binder, for example by filling in containers defined content is determined.
  • this reporting can also be requested at defined time or production intervals.
  • the invention relates to a removal lance, in particular for such devices, for the removal of substances from storage containers.
  • a removal lance in particular for such devices, for the removal of substances from storage containers.
  • the extraction lance according to the invention is heated.
  • the heating of the extraction lance is preferably arranged in an annular space formed between an inner tube and an outer tube, so that it is protected against contamination.
  • the annulus should be closed at both ends for this purpose.
  • an electrical resistance heating which is preferably spirally wound around the inner tube.
  • containers 10, 11 each one of the components to be mixed is kept ready.
  • two containers 10, 11 are provided for two components to be mixed.
  • different numbers of containers 10, 11 may be provided.
  • the components to be mixed are a binder and a hardener which are mixed into an adhesive.
  • the invention is not limited thereto.
  • the invention may, for. B. also for the mixing of paints and varnishes to achieve a specific hue and / or mixing of paints and varnishes with hardener and for many other things. It is only important that the components to be mixed are pumpable.
  • the binder and the hardener are taken from the containers 10, 11 by means of special extraction lances 12, which will be described in more detail later with reference to FIG. 3.
  • a feed lines 13 the binder and the hardener are fed by means of a component pump 14 to a mixer 15.
  • the supply lines 13 end here directly in the mixer 15.
  • the binder and the hardener are thus brought together directly in the mixer 15.
  • the mixer 15 may be a dynamic or a static mixer, as known per se. In particular with components with different viscosity, a dynamic mixer should be used, as with static mixers not sufficient homogeneity of the mixed product is achieved.
  • a component pump 14 is an eccentric screw pump, specifically a Moineaupumpe. In such component pumps 14 is in the flow rate directly dependent on the rotor speed of the component pump 14. The flow rate can thus be changed continuously, which makes such component pumps 14 for dosing particularly suitable.
  • Coriolis flow meter 16 which are also known per se. Coriolis flowmeters 16 are suitable for continuously measuring, filling and dosing even the smallest flow rates, which makes them particularly suitable for the present case.
  • the flow rate of components with different properties can be measured with a very high accuracy of ⁇ 0.15%.
  • the flow rate of the components is thus z. B. regardless of their current temperature and thus viscosity, density, etc. always reliably measured.
  • the Coriolis flowmeter 16 are connected via a respective regulator 17 with the associated component pump 14 and regulate the flow rate, ie rotor speed.
  • backwashing 18 In the flow direction of the binder or the hardener behind the Coriolis flow meter 16, a branch valve 19 for the backwash line 18 is arranged. Instead of the three-way cock 19 shown in the drawing, the use of two separate ball valves has proven useful in operation.
  • the binder or the hardener By means of the backwash line 18, the binder or the hardener can be pumped back into the associated container 10 or 11.
  • a check valve 20 serves to close the backwash line 18, if the container 10 or 11 once removed from the device, for example, to change an empty against a full container 10 or 11.
  • the binder or the hardener in Be pumped cycle if, for whatever reason, once no ready-mixed adhesive from the mixer 15 can be removed.
  • the component pumps 14 need not be stopped, whereby start-up losses are avoided when otherwise restarting the component pumps 14. After restarting the binder removal from the mixer 15, the ready-mixed adhesive is again readily available in the correct mixing ratio of binder and hardener.
  • the mixing device described so far and the mixing method used by it are again supplemented in FIG. 2 and shown diagrammatically.
  • the ready-mixed adhesive is supplied by means of an applicator tube 21 to, for example, an applicator roll 22 of a laminating machine.
  • the applicator tube 21 is for this purpose along the longitudinal axis of the applicator roll 22 back and forth, as indicated by the double arrow 23 in Fig. 2.
  • a container 24 can be seen.
  • This container 24 is a cleaning liquid.
  • the container 24 is connected instead of the container 10 for the binder during longer interruptions, for example, at the weekend, to the supply lines 13 for the binder to clean these supply lines 13 and the mixer 15 and the component pump 14 and the Coriolis flowmeter 16.
  • a control by means of which the individual components shown are controlled.
  • the control serves, for example, to compare an actual flow value determined by means of the Coriolis flow meter 16 with a desired flow value which results from the rotational speed of the component pumps 14. If the difference between actual value and setpoint exceeds a predetermined upper threshold value, the controller detects a malfunction.
  • This upper threshold is usually between 4 and 5 percent.
  • the embodiment shown is with operated at an upper threshold of 4.9 percent, taking into account a required hysteresis in the control in a known manner.
  • the controller Upon detection of such a malfunction when exceeding the difference between the setpoint and the actual value above the upper threshold, the controller automatically shuts down the device shown.
  • a control light is activated, which is not shown in the figure and indicates the malfunction.
  • the container 24 is first to be connected with cleaning fluid in order to clean the supply line 13, the mixer 15, the component pump 14 and the Coriolis flowmeter 16. After cleaning, a so-called Auslitern is then carried out, in which the flow rates of hardener and binder are determined in the way that predetermined amounts of hardener and binder are each filled separately in not shown in FIG. Vessels and used for analysis. After this process, a restart of the device shown is possible.
  • the binder and the hardener have a relatively high viscosity at room temperature. Therefore, they can be sucked out of the containers 10, 11 by means of the component pumps 14 via the extraction lance 12 only with difficulty.
  • the removal lances 12 and all lines 13, 18 and 21 are provided with a heater 25.
  • This heater 25 is indicated in Fig. 2 by the spiraling around the removal lances 12 and the lines 13, 18 and 21 spirals.
  • the removal lances 12 themselves are completely redesigned to accommodate the heater 25 compared to conventional removal lances, as shown in more detail in Fig. 3.
  • a Courtansaugung 26 is provided at the lower end of the extraction lances 12 .
  • the stipulateansaugung 26 is inserted from below into an inner tube 27 and opens into this inner tube 27, which serves as a conduit for the binder or the hardener.
  • the inner tube 27 merges into an angled media outlet 28, which can be coupled to the continuing lines 13.
  • Around the inner tube 27 around an outer tube 29 is provided.
  • a helically wound around the inner tube 27 heater 31 is provided in the annular space 30 formed between the inner tube 27 and the outer tube 29, a helically wound around the inner tube 27 heater 31 is provided.
  • this heater 31 as with the other heaters 25, it is an electrical resistance heater.
  • any other type of heaters can be provided.
  • the heater 31 or annulus 30 may be flushed directly with a hot liquid.
  • the heater 31 By means of the heater 31, not only the component conveyed in the inner tube, ie the binder or the hardener, due to the special construction of the extraction lance 12, heated, but also the extraction lance outside surrounding material. The viscosity of the material is thus reliably reduced to facilitate sucking the same.
  • the annular space 30 is closed at its top and bottom. At the bottom, this is the stipulatensaugung 26. At the top of the annular space 30 is closed by a plug 32.
  • the heater 31 is thus protected from contamination by the binder or the hardener.
  • the Ruleansaugung 26 is formed as a rotating part and has lateral feet 33, between which recesses 34 are formed on. Through the recesses 34, the binder or hardener is sucked.
  • FIG. 4 shows another embodiment of a mixing device with the features of the invention similar to the representation of FIG. 2.
  • the same elements bear the same reference numerals.
  • a further pump 35 is arranged in each case between the component pumps 14 and the removal lances 12.
  • a diaphragm pump 35 is suitable.
  • the diaphragm pumps 35 serve as backing pumps for the component pumps 14. In this way, a uniform supply of the component pumps 14 is ensured even or especially for particularly viscous media.
  • the diaphragm pumps 35 are arranged directly on the containers 10, 11 on the removal lance. As a result, on the one hand, the diaphragm pumps only have to overcome a low resistance to suction.
  • the media still have a relatively high temperature at this position with high security, which reduces their toughness and so facilitates the suction.
  • a temperature monitor 36 is arranged in each case. These temperature monitors 36 are connected to a controller not shown in the figure and are used to monitor the intake temperature of the diaphragm pump 35th
  • a further three-way valve 39 is arranged in each case.
  • the two three-way valves 39 are part of a common removal station for automatically removing the components for the purpose of Ausliterung.
  • 39 discharges 40 are arranged behind the three-way valves, which lead, for example, in suitable measuring vessels. It has been shown in operation that in the fully automatic mixing apparatus shown, the operator often for convenience completely waives a check, for example by means of Auslitern, so that errors occurring are noticed only very late. In this way, because of the continuous mixing operation inadvertently large amounts of waste arise because of the forced automated Auslitern reliably detect and avoid it.
  • the controller can enforce a regular checkout, for example, every 8 hours, and otherwise stop the operation.
  • the controller also forces a leak when a deviation from the preselected mixing ratio is detected above a predetermined limit. This upper limit is 3 percent in the embodiment shown, although other values are also conceivable without difficulty, depending on the particular application.
  • the mixing device of Fig. 4 also has a temperature monitor 41, which is assigned directly to the mixer 15.
  • the temperature monitor 41 may be arranged on the mixer 15 itself or directly adjacent to it or behind it.
  • the temperature monitor 41 is used for quality control to ensure that the mixed components leave the mixer at the specified temperature.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Accessories For Mixers (AREA)
  • Coating Apparatus (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Basic Packing Technique (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Claims (12)

  1. Procédé à mélanger, de façon dosée, des composants aptes à être pompé, en particulier des composants pâteux et/liquides, l'un avec l'autre, qui sont alimentés en continu à un mélangeur (15) moyennant une pompe de composants (14) aux niveaux de dosage adaptés l'un à l'autre, pour le prélèvement direct pour un traitement ultérieur, caractérisé en ce qu'au moins un desdits composants à mélanger est chauffé afin de réduire sa viscosité au temps du prélèvement de son réservoir d'alimentation (10, 11) et tout le long de sa voie d'avancement complète à partir dudit réservoir d'alimentation (10, 11) jusqu'à au moins un mélangeur (15).
  2. Procédé selon la revendication 1, caractérisé en ce que lesdits composants sont pompés en retour dans leurs réservoirs d'alimentation respectifs (10, 11) quand la quantité du produit mélangé prélevé au mélangeur (15) est plus petite que la quantité des composants alimentés, et/ou en ce que lesdits composants sont alimentés vers ledit mélangeur (15) directement pour leur mélange.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la vitesse d'alimentation de ladite pompe de composants (14) est réglée en continu en réponse aux signaux d'un débitmètre (18), de préférence pour le dosage des composants à mélanger.
  4. Procédé selon une quelconque des revendications précédentes, caractérisé en ce qu'un débit réel, mesuré en particulier moyennant ledit débitmètre (16), est comparé avec un débit nominal moyennant des moyens comparateurs, en particulier une unité de commande, en particulier en fonction de l'état de marche, de préférence d'une vitesse de rotation, d'au moins une desdites pompes de composants (14), et en ce que l'opération de mélange est influencée par le résultat de comparaison.
  5. Procédé selon la revendication 4, caractérisé en ce qu'un défaut de fonctionnement est détecté par le fait, que la différence valeur réelle/valeur nominale d'un seuil supérieur prédéterminé ou d'un seuil inférieur prédéterminé est dépassé en haut ou en bas, et en ce que ce défaut de fonctionnement est indiqué en particulier et/ou une étape d'opération est réalisée afin de corriger le défaut de fonctionnement, de préférence par une opération de coupure définie.
  6. Dispositif à mélanger, de façon dosée, des composants aptes à être pompé, en particulier des composants pâteux et/ou liquides, l'un avec l'autre, comprenant une conduite d'amenée respective, une pompe de composants (14) respective et un débitmètre (16) respectif, en particulier un débitmètre du type Coriolis, pour chaque composant, ainsi qu'un mélangeur (15), en particulier un mélangeur statique ou dynamique, pour lesdits composants, à ladite pompe de composants (14) étant une pompe d'amenée fonctionnant en continu, caractérisé en ce que des conduites (12, 13, 18, 21) pour au moins un desdits composants se peut chauffer.
  7. Dispositif selon la revendication 6, caractérisé en ce que le débit de ladite pompe de composants (14) est réglé via un régulateur (17) sur la base des signaux dudit débitmètre (16), et/ou en ce que ladite pompe d'alimentation est une pompe à vis excentrique, de préférence une pompe de Moineau.
  8. Dispositif selon la revendication 6 ou 7, caractérisé en ce qu'une conduite à contre-courant (18) se détache le long du sens de courant d'au moins un desdits composants, par laquelle ledit composant peut être pompé en retour dans son réservoir d'alimentation (10, 11).
  9. Dispositif selon une quelconque des revendications 6 à 8, caractérisé en ce que des conduites (12, 13, 18, 21) pour au moins un desdits composants sont aptes à être chauffé en particulier moyennant un moyen de chauffage, de préférence un moyen de chauffage ohmique (25, 31), enroulé en spires autour desdites conduites (12, 13, 18, 21).
  10. Dispositif selon une quelconque des revendications 6 à 9, caractérisé par des moyens comparateurs, en particulier par une unité de commande, pour la comparaison d'un débit nominal, en particulier en fonction de l'état de fonctionnement d'au moins une desdites pompes de composants (14), avec un débit réel mesuré, en particulier, moyennant ledit débitmètre (16).
  11. Dispositif selon une quelconque des revendications 6 à 10, caractérisé par une lance de prélèvement de substances des réservoirs d'alimentation (10, 11), qui comprend un moyen de chauffage (31), en particulier un moyen de chauffage ohmique.
  12. Dispositif selon la revendication 11, caractérisé en ce que ladite lance de prélèvement comprend un tuyau intérieur (27) et un tuyau extérieur (29) entourant ledit tuyau intérieur (27), dans lequel ledit moyen de chauffage (31) est disposé à l'intérieur d'un espace annulaire (30) formé par ledit tuyau intérieur (27) et ledit tuyau extérieur (29), qui est fermé, en particulier, aux deux extrémités.
EP03102052A 2002-07-10 2003-07-08 Procédé et appareil pour mélanger des quantités dosées de composants pompables Revoked EP1384503B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002131288 DE10231288A1 (de) 2002-07-10 2002-07-10 Verfahren und Vorrichtung zum dosierten Mischen von pumpfähigen Stoffen sowie Entnahmelanze zur Entnahme von Stoffen aus Vorratsbehältern
DE10231288 2002-07-10

Publications (3)

Publication Number Publication Date
EP1384503A2 EP1384503A2 (fr) 2004-01-28
EP1384503A3 EP1384503A3 (fr) 2004-05-26
EP1384503B1 true EP1384503B1 (fr) 2006-06-14

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EP03102052A Revoked EP1384503B1 (fr) 2002-07-10 2003-07-08 Procédé et appareil pour mélanger des quantités dosées de composants pompables

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CN205380031U (zh) * 2016-03-15 2016-07-13 广州市永合祥自动化设备科技有限公司 一种注胶泵控制机构
CN106111453A (zh) * 2016-08-31 2016-11-16 苏州谐通光伏科技股份有限公司 一种灌胶机
CN108380452B (zh) * 2016-11-29 2020-06-09 陈之最 一种高效率双组份硅胶自清洁混胶阀
CN106622866A (zh) * 2016-12-14 2017-05-10 杨烨 一种用于电子元器件的自动灌胶机
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EP1384503A2 (fr) 2004-01-28
DE50303788D1 (de) 2006-07-27

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