EP0105107A2 - Mélangeur - Google Patents

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Publication number
EP0105107A2
EP0105107A2 EP83107090A EP83107090A EP0105107A2 EP 0105107 A2 EP0105107 A2 EP 0105107A2 EP 83107090 A EP83107090 A EP 83107090A EP 83107090 A EP83107090 A EP 83107090A EP 0105107 A2 EP0105107 A2 EP 0105107A2
Authority
EP
European Patent Office
Prior art keywords
mixer
opening
devices
conveyor
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.)
Granted
Application number
EP83107090A
Other languages
German (de)
English (en)
Other versions
EP0105107A3 (en
EP0105107B1 (fr
Inventor
Paul Mathis
Max Zimmer
Franz Mathis
Bernhard Mathis
Udo Dilger
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.)
m-tec mathis technik GmbH
Original Assignee
m-tec mathis technik GmbH
Mathis System Technik GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6174943&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0105107(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by m-tec mathis technik GmbH, Mathis System Technik GmbH filed Critical m-tec mathis technik GmbH
Priority to AT83107090T priority Critical patent/ATE28408T1/de
Publication of EP0105107A2 publication Critical patent/EP0105107A2/fr
Publication of EP0105107A3 publication Critical patent/EP0105107A3/de
Application granted granted Critical
Publication of EP0105107B1 publication Critical patent/EP0105107B1/fr
Expired legal-status Critical Current

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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
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C9/00—General arrangement or layout of plant
    • 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
    • B01F35/71—Feed mechanisms

Definitions

  • the invention relates to a mixing device of preferably dry.
  • Mixtures in particular based on mineral, organic and / or plastic, such as dry mortar, concrete, feed, fertilizer, food or the like, with metering devices, control devices and transfer devices for loading transport vehicles.
  • Such mixing devices are known.
  • Mixing systems for ready-mixed mortar in particular, work with stocks in the area of finished goods, because for each type of mortar that has to be loaded loosely, a finished goods silo must be provided within the device. This allows different products to be mixed one after the other and temporarily stored in these finished goods silos.
  • the associated metering / mixing and transfer devices generally have to be cleaned between each product changeover.
  • the intermediate storage in silos also requires additional mechanical effort in the area of these silos, e.g. B. in addition, an elevator for transporting up and from each silo a conveyor, for example a screw conveyor or the like.
  • the intermediate storage in storage silos has above all Dry building material mixtures, and in particular in the case of plasters and mortars, has the sensitive disadvantage that the risk of segregation is increased because with each transfer of such a mixture, the material parts occurring in the mixture with very different grain sizes can be separated from one another. Furthermore, these intermediate storage containers each require measuring or display devices which determine the respective loading quantity precisely regardless of the previous preparation of the mixture.
  • the invention is therefore based on the object of creating a mixing device of the type mentioned at the outset, with which the mechanical outlay can be considerably reduced, while vehicles should be able to load different building material mixtures at any time in any or almost any order.
  • the solution to this problem consists essentially in the fact that the mixing device is provided without an intermediate store for the finished mixtures and with a mixer which can be emptied without residues and with self-cleaning transport devices from the mixer to the transfer device or devices.
  • the batch mixer no longer contains any residues after each emptying, so that immediately after its emptying it can produce a modified mixture which is not adulterated by a previous mixture.
  • the discharge opening of the mixer can be arranged above or in a funnel with a closure for decelerated, also residue-free emptying.
  • a mechanical or pneumatic conveyor preferably a conveyor belt in dustproof form or an air conveyor trough or the like, can be provided under the funnel.
  • An expedient embodiment of the invention can consist in that a conveyor screw is provided as the conveyor, parallel to which a lower-lying cleaning screw is arranged, which during cleaning in reverse is drivable in the opposite direction and then opens over a waste container or the like.
  • the normal screw conveyor can thus bring the mixed good to its destination.
  • certain residues cannot be completely avoided when changing the mixing ratios in the area of screw conveyors, such a residue can also be eliminated by reversing the conveying direction with the aid of the cleaning screw, so that after a short time, no components from a previous mixture are present in the area of this conveyor there are more.
  • the conveying means can be drivable in both directions of extension and act on at least two transfer devices. As a result, the entire mixing device can be used even more effectively because a second vehicle can already be brought into the loading position while a vehicle is being loaded.
  • an approximately horizontally arranged, drum-shaped mixer can be used as the mixer Batch mixer may be provided, the lower wall area of which can be opened completely for emptying, the opening angle being greater than the slope angle of the material to be mixed. If the bottom wall of such a batch mixer is opened or removed for opening, the entire mix slips out, because it cannot and cannot partially hold due to the angular relationships mentioned. If the opening angle of the batch mixer is greater than the slope angle of the residual mix that remains between the wall and mixing blades of the mixer during the mixing process, the safety of the residue-free emptying is particularly high.
  • An expedient embodiment of the invention can consist in that the lower wall area of the mixer can be closed by at least one flap or the like, preferably by two flaps which can be swung away from one another.
  • This allows a very simple opening downwards, through which the majority of the mixer contents are released downwards. Even the left-hand remnants of the material to be mixed cannot remain in the drum-shaped mixer, since they cannot form a sufficiently stable slope.
  • the lower opening area can comprise about a third of the entire mixer circumference and is in particular arranged in the middle. The lower wall area of the mixer, which does not belong to the opening and is close to the opening, is then already so steep that a dry mixture cannot remain there even in small residues.
  • the hinge or hinges of the lower opening flaps are expediently on the outside of the jacket of the mixer and the corresponding fittings on the outside of those forming the lower part of the mixer wall Opening flaps attached so that there are no projections or the like on the inside of the mixer, to which small residues of mixed material could possibly stick.
  • the inside of the opening flaps can be flush with the inside of the mixer wall.
  • the flap or the flaps can have the same radius of curvature and, in the closed position, the same center of curvature as the rest of the container wall, so that no irregularities occur in the interior of the batch mixer during the mixing process, which could adversely affect the mixing result.
  • the lower opening can extend up to the end walls of the mixer and these end walls can form the front or rear boundary of the lower opening. As a result, the formation of an edge on which the mixed material could remain may also be avoided in the end regions of the mixer.
  • a mixing device designated as a whole by 1, contains in its interior metering devices 2, which feed various mixture components in the required quantities from corresponding containers with the interposition of control devices 3 and funnels 4 to a mixer 5 to be described in more detail.
  • this mixing device 1 It is characteristic of this mixing device 1 that no intermediate containers are provided, into which a finished mixture can be introduced until the switch to a different mixture with the associated cleaning of the various units is worthwhile. Rather, the mixer 5 is designed as a horizontally arranged drum-shaped batch mixer that can be emptied without residue, the lower wall area of which, according to FIGS. 2 and 3, can be completely opened for emptying, the opening angle being greater than the slope angle of the mixed material. Each time the material is emptied, the mixture is left behind in this mixer, so that a different composition of a mixture can now also be introduced and mixed. This makes it practically possible to produce a different mixture for each mixture after each batch, simply by changing the metering and control devices accordingly. In this way, intermediate containers for the intermediate storage of various mixtures are unnecessary.
  • the opening angle of the batch mixer i is greater than the slope angle of the residual mixture 6, which may otherwise remain between the wall 7 and the mixing blades 8 of the mixer 5 during the mixing process.
  • Fig. 1 it is also indicated that the emptying opening 9 of the mixer 5 is arranged above or in a funnel 10 with a closure 11 for decelerated emptying and that a conveyor belt 12, preferably a conveyor belt in dustproof form, is provided under the funnel 10.
  • the casing 13 of the conveyor belt 12 can be seen in a schematic arrangement in FIG. 1.
  • the funnel 10 can hold the contents of the batch mixer 5 in its interior, so that this mixed material can be slowly transferred to the conveyor belt 12.
  • the conveyor belt 12 can be driven in its two extension directions, so that two transfer devices 14, 18 can be acted upon.
  • Fig. 1 you can see in the left part of a direct transition from the conveyor belt 12 in a transfer device 14 with filling nozzle 15 to a vehicle 16, while the right part of the conveyor belt 12 opens over another conveyor belt 17, which in turn can feed two places, namely a second transfer device 18 with a filling nozzle 15 for a vehicle 19 or, for special cases, a transfer station 20 with which the mixed material can be transported further.
  • the lower wall area of the mixer 5 can be closed with at least one flap, closure or the like, in the exemplary embodiment with two flaps 21 which can be pivoted away from one another.
  • the lower opening area takes up about a third of the entire mixer circumference and is arranged in the center. It can clearly be seen that in the direct connection to the flaps 21 the cylindrical wall 7 of the mixer 5 is already so steep that dry mix can no longer attach and hold here when the flaps 21 are opened.
  • the mixers, which previously had openings in the lower area generally have openings so small that residual mixture can still remain everywhere, which would then have to be discharged with special tools or with compressed air.
  • the hinges 22 running along the opening edges can advantageously be designed as a stiffener of the mixer 5 or vice versa, stiffeners can be arranged in this area, which are at the same time for receiving or formation of the hinges 22 can be used.
  • the one or more hinges 22 are attached to the outside of the jacket 7 of the mixer 5 and the corresponding fittings 23 to the outside of the opening flaps 21 forming the lower part of the mixer wall. If it is expedient for the stiffening of the mixer 5, in particular in the area of its large opening 9, the hinges 22 may also have corresponding counterparts on the mixer 5 itself for the fittings 23.
  • the opening flaps 21 are designed such that they are flush with the inside of the mixer wall 7 in the closed position with their inside. As a continuation of the mixing head 7, they have the same radius of curvature and, in the closed position, the same center of curvature as the rest of the mixer wall.
  • a batch mixer 5 has been formed by relatively simple measures, which can be emptied without residues due to its large opening alone, without special additional tools, which in itself is a great advantage for different applications.
  • the entire mixing device 1 thus becomes simpler and cheaper.
  • FIGS. 4 and 5 show an embodiment of the mixing device 1, in which, below the hopper 10, into which the mixer 5 is emptied, a conveyor screw 25 is also arranged as a conveying means within a dustproof housing 26, which in the exemplary embodiment has two transfer devices 14 can operate 16 and 19 for two vehicles.
  • a screw conveyor can be used in this area of the device 1.
  • a cleaning screw 27 is located directly below it in a corresponding conical area parallel to this screw conveyor 25 28 of the housing 26 arranged.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Confectionery (AREA)
  • Accessories For Mixers (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Detergent Compositions (AREA)
  • Drying Of Solid Materials (AREA)
EP83107090A 1982-10-05 1983-07-20 Mélangeur Expired EP0105107B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83107090T ATE28408T1 (de) 1982-10-05 1983-07-20 Mischvorrichtung zur herstellung von mischungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3236780 1982-10-05
DE3236780A DE3236780C2 (de) 1982-10-05 1982-10-05 Misch- und Verladevorrichtung für Mischungen aus pulverigen und/oder körnigen Feststoffen

Publications (3)

Publication Number Publication Date
EP0105107A2 true EP0105107A2 (fr) 1984-04-11
EP0105107A3 EP0105107A3 (en) 1985-08-14
EP0105107B1 EP0105107B1 (fr) 1987-07-22

Family

ID=6174943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83107090A Expired EP0105107B1 (fr) 1982-10-05 1983-07-20 Mélangeur

Country Status (12)

Country Link
US (1) US4548507A (fr)
EP (1) EP0105107B1 (fr)
JP (1) JPS5966336A (fr)
KR (1) KR870000082B1 (fr)
AT (1) ATE28408T1 (fr)
AU (1) AU555362B2 (fr)
BR (1) BR8305464A (fr)
CA (1) CA1235688A (fr)
DE (2) DE3236780C2 (fr)
ES (1) ES8404616A1 (fr)
SU (1) SU1535372A3 (fr)
ZA (1) ZA836413B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0391494A1 (fr) * 1989-04-06 1990-10-10 Mulder-Boskoop N.V. Procédé et appareil pour préparer un mélange, en particulier pour du mortier ou autres mélanges similaires
DE3930954A1 (de) * 1989-09-15 1991-03-28 Herfeld Gmbh & Co Kg Dr Mischvorrichtung
CN111361007A (zh) * 2020-04-30 2020-07-03 吴满意 一种用于道路施工的混凝土搅拌装置
CN111923242A (zh) * 2020-06-22 2020-11-13 苏州上建杭鑫混凝土有限公司 再生混凝土制造设备

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0391494A1 (fr) * 1989-04-06 1990-10-10 Mulder-Boskoop N.V. Procédé et appareil pour préparer un mélange, en particulier pour du mortier ou autres mélanges similaires
DE3930954A1 (de) * 1989-09-15 1991-03-28 Herfeld Gmbh & Co Kg Dr Mischvorrichtung
CN111361007A (zh) * 2020-04-30 2020-07-03 吴满意 一种用于道路施工的混凝土搅拌装置
CN111923242A (zh) * 2020-06-22 2020-11-13 苏州上建杭鑫混凝土有限公司 再生混凝土制造设备
CN111923242B (zh) * 2020-06-22 2021-10-12 苏州上建杭鑫混凝土有限公司 再生混凝土制造设备

Also Published As

Publication number Publication date
ES525107A0 (es) 1984-05-16
DE3236780C2 (de) 1984-09-06
AU1914483A (en) 1984-04-12
KR840006616A (ko) 1984-12-01
EP0105107A3 (en) 1985-08-14
DE3236780A1 (de) 1984-04-05
ZA836413B (en) 1984-05-30
KR870000082B1 (ko) 1987-02-10
EP0105107B1 (fr) 1987-07-22
AU555362B2 (en) 1986-09-18
CA1235688A (fr) 1988-04-26
ATE28408T1 (de) 1987-08-15
US4548507A (en) 1985-10-22
ES8404616A1 (es) 1984-05-16
DE3372582D1 (en) 1987-08-27
BR8305464A (pt) 1984-05-15
JPS5966336A (ja) 1984-04-14
SU1535372A3 (ru) 1990-01-07

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