EP0135919A2 - Procédé de réunion de composantes granuleux et dispositif d'exécution d'un tel procédé - Google Patents

Procédé de réunion de composantes granuleux et dispositif d'exécution d'un tel procédé Download PDF

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Publication number
EP0135919A2
EP0135919A2 EP84111221A EP84111221A EP0135919A2 EP 0135919 A2 EP0135919 A2 EP 0135919A2 EP 84111221 A EP84111221 A EP 84111221A EP 84111221 A EP84111221 A EP 84111221A EP 0135919 A2 EP0135919 A2 EP 0135919A2
Authority
EP
European Patent Office
Prior art keywords
components
rollers
receptacles
trajectories
roller surface
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.)
Withdrawn
Application number
EP84111221A
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German (de)
English (en)
Other versions
EP0135919A3 (fr
Inventor
Eduard Winner
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 EP0135919A2 publication Critical patent/EP0135919A2/fr
Publication of EP0135919A3 publication Critical patent/EP0135919A3/fr
Withdrawn legal-status Critical Current

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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
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/70—Spray-mixers, e.g. for mixing intersecting sheets of material
    • B01F25/74—Spray-mixers, e.g. for mixing intersecting sheets of material with rotating parts, e.g. discs

Definitions

  • the invention relates to a method for merging granular components according to the preamble of claim 1 and a device for performing such a method according to the preamble of claim 3.
  • the device for carrying out this method has rotating containers, for example rotating drums with inlet and outlet openings. By rotating the drum, the granular substances are constantly rearranged, which results in a gradual mixing of these substances.
  • rotating containers for example rotating drums with inlet and outlet openings.
  • the invention has for its object the generic Develop the method and the generic device so that the granular components can be mixed very evenly within a very short time and with the least design effort.
  • the components to be mixed with one another are fed into trajectories from spatially separated locations.
  • the components are in distributed form in the trajectories.
  • the trajectories are designed to cross each other.
  • the components in the trajectories are therefore only mixed with one another in the overlap area. Since the components are present in dispersed form, takes place in the overlap region of the F lugbahnen a very uniform mixing of the components without requiring a complicated process management would be required.
  • the mixed components are then intercepted in the overlap area of the trajectories. This can be done, for example, by providing a collecting container in the overlap area, ie in the mixing area, with which the mixed components are collected.
  • the method according to the invention in a coating.
  • the material to be coated can be guided in the area below the overlap area of the trajectories, so that the components forming the coating reach the material to be coated immediately after mixing. This means that the mixed components not required.
  • the two counter-rotating rollers initially serve to receive the components supplied via the feeds on the roller surface.
  • the components are arranged evenly distributed in the roller mounts.
  • the receptacles reach the area of the removal device, which then removes the components from the receptacles. Since the rollers in this case perform a rotary movement, the components in the receptacles are thrown off the roller surface, so that the granular components fly away from the rollers in trajectories. The trajectories then cross each other in the mixing zone provided in the area below the removal device, so that the components are mixed in this area.
  • the device according to the invention has a very simple design.
  • the components are continuously mixed and are constantly removed from the receptacles in the area of the removal device.
  • the components to be mixed only remain in the receptacles until they reach the removal device from the feeder because the mixing takes place during the flight of the components.
  • the residence time of the granular products on the rollers is therefore relatively short.
  • the components may be very evenly distributed, so that the components also are present in finely divided form in the lugbahnen F, so that in the crossing area of the trajectories occurs a very homogeneous mixing in the recordings.
  • the device according to FIGS. 1 and 2 has two parallel rollers 1 and 2, which are driven to rotate in opposite directions.
  • each roller 1 and 2 is driven by a motor 5 and 6 via a respective belt or chain drive 3 and 4.
  • a feed hopper 7 and 8 is provided, via which the components to be mixed with one another are added.
  • the feed hoppers 7, 8 extend over the entire length of the rollers 1 and 2 and have an outlet opening 9 and 10 extending through this length, through which the granular components pass from the feed hopper onto the roller surface 11 and 12.
  • the receptacles 13, 14 are delimited by needles 15 and 16 projecting transversely, preferably perpendicularly, from the roller surface 11, 12, which needles are provided over the entire roller circumference and the entire roller length.
  • the needles can each be arranged one behind the other in the axial direction, but can also be distributed arbitrarily or, for example, also in a helical manner be provided on the roller surface.
  • the distance between the needles 15, 16 from each other and thus the size of the receptacles 13 and 14 depends on the granularity of the components to be mixed. The coarser the components, the greater the distance between the needles 15 and 16. Accordingly, the needle spacing is small if the components are fine.
  • the stripping device 17 In the area between the two rollers 1, 2, which are each of identical design in the exemplary embodiment, there is a stripping device 17 with which the excess components are stripped from the roller surface during the rotation of the rollers.
  • the stripping device 17 has a carrier 20 lying transversely to the roller axis 18, 19, at the two ends of which strippers 21 and 22 reaching up to the needles 15, 16 are fastened. They protrude slightly into the outlet openings 9 and 10 of the feed funnels 7 and 8 and scrape off the granular material projecting beyond the needles 15, 16. This ensures that the granular components are housed evenly distributed in the receptacles 13 and 14.
  • a removal device 23 is arranged, with which the granular components can be removed from the receptacles 13 and 14.
  • the removal device 23 has a carrier 24 which is parallel to the roller axes 18 and 19 and at the height thereof, to the sides 25 and 26 of which the rollers 1 and 2 face the needles 27, which preferably consist of metal and into the receptacles 13 and 14 protrude.
  • the needles 27 are parallel to each other and perpendicular to the roller axes 18 and 19 and have the task of the granular components located in the receptacles 13 and 14 during the rotation of the rollers 1 and 2 to remove. In order to avoid damage to the roller surface 11 and 12 and the needles 27, the needles do not extend to the roller surface, but are at a short distance from it.
  • the carrier 24 is driven in an axially vibrating manner.
  • a vibration motor 28 is provided.
  • the granular components are thrown out of the receptacles 13 and 14 of the rollers 1, 2 during their rotation.
  • the granular components are thrown out in obliquely downward trajectories 29 and 30 which cross each other in a region 31. Since the granular components are finely distributed on the roller surfaces 11 and 12, they are also finely distributed in the trajectories 29, 30. In the intersection area 31, the components are therefore mixed very uniformly. Since the rollers 1, 2 rotate and the components are continuously added via the feed hoppers 7 and 8, the components located in the feed hoppers are continuously mixed in this way.
  • slide plates 32, 33 which converge downward and delimit a passage 34 for the mixed components which runs over the length of the slide plates.
  • the sliding plates 32, 33 which extend close to the roller surface 1.1 and 12, form U deflecting parts with which the trajectories 29, 30 of the components in the overlap region 31 are deflected downward. Since the deflection takes place in the overlap region 31, segregation of the Components reliably prevented.
  • the components mixed together fall onto a sieve 35, which is also driven in an axially vibrating manner.
  • the sieve 35 and the carrier 24 of the removal device 23 are connected to the vibration motor 28 by a common connecting part 36, so that both are driven together from it.
  • the granular components are filled separately into the feed funnels 7 and 8.
  • the two rollers 1 and 2 are driven in opposite directions independently of one another by the motors 5 and 6 (cf. arrows in FIG. 1).
  • Stirring devices and the like can be arranged in the feed funnels 7 and 8 in order to ensure a steady and uniform flow of the components to the roller. Since the outlet openings 9 and 10 are provided over the entire length of the roller, the material passes uniformly into the receptacles 13 and 14 distributed over the length and circumference of the rollers 1, 2.
  • the wipers 21 and 22 push excess material off the surface of the roller, so that in the direction of rotation behind the wipers 21 and 22 no excess components can fall off the roller surface.
  • the needles 15, 16 of the rollers 1, 2 reliably hold the components on the roller surface 11, 12. As soon as the components get into the region of the removal device 23, which is arranged at an angular distance of approximately 90 ° with respect to the outlet openings 9 and 10, the granular material from the axles vibrating with respect to the rollers 1, 2 is removed Recordings 13, 14 flung out. In cooperation with the roller rotation, the components receive the trajectories 29 and 30. Since the needles 27 reach the area between the needles 15 and 16 of the rollers 1, 2, the components are reliably thrown out of the receptacles 13 and 14.
  • the speed of rotation of the rollers 1 and 2 can be adjusted depending on the specific weight of the components to be mixed so that the trajectories 29 and 30 overlap in the region 31.
  • the mixing of the previously separately supplied components only takes place in this area. Since the sliding plates 32, 33 are also arranged in this area, the components are deflected to the sieve 35 in this mixed state. Since the sieve 35 also vibrates, the mixed components pass the sieve 35 evenly.
  • a wide variety of components can be continuously mixed in a simple manner with the device.
  • This device is particularly suitable for processing granular regenerates which have been produced from waste products. These regenerates can be mixed with a new granular component in the manner described.
  • the mixing ratio of the two components can be determined very simply by adjusting the speeds of the rollers 1 and 2. Both rollers 1, 2 are driven separately from one another, so that their speeds can be set independently of one another. The faster the rollers rotate, the more components are thrown into the mixing zone 31 in the time unit. The proportion of the respective component can thus be precisely determined by adjusting the speed of the rollers. Since the flight characteristics also depend on the specific Ge depending on the weight of the respective component, this can also be taken into account when setting the speed of the rollers.
  • granular components are mixed with one another, which may be coarse-grained, medium-grained or fine-grained, even in powder form.
  • the device can not only be used for mixing, but also for dosing components.
  • dosing components it is essential that exactly the same amount of components is fed to a subsequent processing station or the like per unit of time.
  • the same components are filled into the two feed hoppers 7, 8. Since two rollers 1 and 2 are provided for this component, the rollers 1, 2 can be driven at low speed, which means that the source of errors in dosing decreases considerably. This means that exact component quantities can be supplied per unit of time.
  • the device can be used in conjunction with a coating system. In this case, the device is arranged so that the components falling down through the screen 35 fall directly onto the material to be coated. Since the device can be dosed very precisely, these materials can be coated extremely evenly.
  • the device can also be mixed in one operation and the mixture can be applied at the same time. If different components are present in the two feed hoppers 7 and 8, they can be mixed in the desired manner in any desired mixing ratio and then applied immediately to the material to be coated. Instead of a coating, it is also possible to to fill the components in containers or the like.
  • the device can be changed over within a very short time if other components are to be mixed with one another.
  • the removal device 23a is also arranged centrally between the two rollers 1a and 2a at the level of the axes of rotation 18a and 19a. It has a carrier 24a, in which air channels 37 and 38 are provided, which lie obliquely to its longitudinal sides 25a, 26a and open into the longitudinal sides.
  • the air channels 37 and 38 are connected to a central air supply channel 39.
  • the air channels 37, 38 are at an obtuse angle to each other and are inclined downwards. The air emerging from the air channels 37, 38 strikes the receptacles 13a, 14a and blows out the components located therein.
  • the components are thrown out in such a way that their trajectories 29a, 30a in turn overlap in the region 31a.
  • this overlap region 31a extends over the entire length of the rollers 1a, 2a, over which the receptacles 13a, 14a are distributed.
  • the air channels 37, 38 are therefore also distributed over the length of the carrier 24a in order to be able to blow out the components over the entire length of the roll.
  • the air channels 37 and 38 are each in two rows one above the other.
  • the air can be supplied at different pressures, so that the components can be reliably blown out of the receptacles 13a, 14a.
  • the extraction device 23a working with compressed air is advantageously suitable for mixing fine-grained material, preferably for mixing powders. So that the fine-grain powder can be reliably held on the roller surface 11a, 12a, the receptacles are limited by webs 40, 41 which extend axially over the length of the rollers 1a and 2a. They protrude perpendicularly from the roller surface 11a, 12a, and their end faces 42, 43 are rounded.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Treatment Of Fiber Materials (AREA)
EP84111221A 1983-09-21 1984-09-20 Procédé de réunion de composantes granuleux et dispositif d'exécution d'un tel procédé Withdrawn EP0135919A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833334013 DE3334013A1 (de) 1983-09-21 1983-09-21 Verfahren zum zusammenfuehren von koernigen komponenten sowie vorrichtung zur durchfuehrung eines solchen verfahrens
DE3334013 1983-09-21

Publications (2)

Publication Number Publication Date
EP0135919A2 true EP0135919A2 (fr) 1985-04-03
EP0135919A3 EP0135919A3 (fr) 1987-01-14

Family

ID=6209610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84111221A Withdrawn EP0135919A3 (fr) 1983-09-21 1984-09-20 Procédé de réunion de composantes granuleux et dispositif d'exécution d'un tel procédé

Country Status (4)

Country Link
US (1) US4565451A (fr)
EP (1) EP0135919A3 (fr)
JP (1) JPS60106521A (fr)
DE (1) DE3334013A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9162008B2 (en) 2003-03-07 2015-10-20 Louis A. Serafin, Jr. Ceramic manufactures

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5802994A (en) * 1996-07-03 1998-09-08 Turfco Manufacturing Incorporated Seeder apparatus for dispensing seed with or without top dressing
US6527147B2 (en) * 2000-12-12 2003-03-04 Automated Packaging Systems, Inc. Apparatus and process for dispensing dunnage

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE152494C (fr) *
DD85914A (fr) *
US2068761A (en) * 1933-08-26 1937-01-26 Barrett Co Process and apparatus for producing variegated roofing
US2321082A (en) * 1939-04-29 1943-06-08 Carbide & Carbon Chem Corp Feeding and distributing mechanism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1096785A (en) * 1912-02-08 1914-05-12 Alexander V Jensen Process of mixing plastic mixtures.
GB1225036A (en) * 1968-03-27 1971-03-17 British Cast Iron Res Ass Making foundry cores and moulds
US3814386A (en) * 1968-11-13 1974-06-04 Plastic Materials Syst Inc Method for vibratory blending of fluid particulate materials
US4201484A (en) * 1978-10-23 1980-05-06 Modern Maid Food Products, Inc. Continuous mixing apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE152494C (fr) *
DD85914A (fr) *
US2068761A (en) * 1933-08-26 1937-01-26 Barrett Co Process and apparatus for producing variegated roofing
US2321082A (en) * 1939-04-29 1943-06-08 Carbide & Carbon Chem Corp Feeding and distributing mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9162008B2 (en) 2003-03-07 2015-10-20 Louis A. Serafin, Jr. Ceramic manufactures

Also Published As

Publication number Publication date
DE3334013A1 (de) 1985-04-04
US4565451A (en) 1986-01-21
JPS60106521A (ja) 1985-06-12
EP0135919A3 (fr) 1987-01-14

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