EP0593379B1 - Kompakte Zentrale für die Herstellung von Beton - Google Patents

Kompakte Zentrale für die Herstellung von Beton Download PDF

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Publication number
EP0593379B1
EP0593379B1 EP93440085A EP93440085A EP0593379B1 EP 0593379 B1 EP0593379 B1 EP 0593379B1 EP 93440085 A EP93440085 A EP 93440085A EP 93440085 A EP93440085 A EP 93440085A EP 0593379 B1 EP0593379 B1 EP 0593379B1
Authority
EP
European Patent Office
Prior art keywords
aggregate
silo
cement
station according
station
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.)
Expired - Lifetime
Application number
EP93440085A
Other languages
English (en)
French (fr)
Other versions
EP0593379A1 (de
Inventor
Albert Bingler
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.)
MEBI PRODUCTION SA
Original Assignee
MEBI PRODUCTION SA
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 MEBI PRODUCTION SA filed Critical MEBI PRODUCTION SA
Publication of EP0593379A1 publication Critical patent/EP0593379A1/de
Application granted granted Critical
Publication of EP0593379B1 publication Critical patent/EP0593379B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the present invention relates to a concrete manufacturing plant comprising a mixing station provided with a concrete mixer and an outlet hopper supplied by the mixer, a group of cement silos which supply the mixing station by conveyors with cement, a buffer stock of aggregates provided with withdrawal means, means for weighing the aggregates withdrawn from the buffer stock, and an aggregate conveyor extending between the withdrawal means and the mixing station (see eg CH- A-664 923)
  • the present invention relates to a concrete plant arranged as compactly as possible, in order to avoid the drawbacks mentioned above and to be able to be coated with exterior cladding which does not require an excessively costly framework.
  • the invention relates to a plant of the type indicated above, characterized in that the group of cement silos is arranged between the buffer stock of aggregates and the mixing station, in that the mixing station, and in particular its outlet hopper, are at least partially cantilevered above a passage for vehicles receiving concrete, in that the aggregate buffer stock is contained in an aggregate silo with several cells having sampling ports which are grouped above a common hopper, and in that the aggregate conveyor passes through the area occupied by the group of cement silos and the cement conveyors.
  • the mixing station and the cement silos can advantageously be mounted on a common support structure where the overhang of the mixing station is balanced by the cement silos.
  • the assembly formed by the mixing station, the cement silos, the aggregate silo and the structures supporting them is wrapped in external cladding, the framework of which includes beams fixed to said structures supporting the mixing station.
  • Said common hopper can be a weighing hopper.
  • the aggregate silo has a circular arrangement around a vertical axis and has radial walls delimiting said cells, and a rotating chute is placed at the top of the aggregate silo and arranged to receive aggregates from a feed conveyor and direct them to a selected cell in the silo.
  • the feed conveyor is pivoted around the axis of the aggregate silo.
  • the cladding has a semi-cylindrical shape at one end of the plant, around the aggregate silo. This cladding can also have a semi-cylindrical shape at the other end of the plant, near the mixing station.
  • the cladding can advantageously constitute a thermal and / or sound insulation enclosure.
  • the plant can include heating and / or cooling means, arranged to maintain the elements of the plant located inside said enclosure at a uniform uniform temperature.
  • the main elements of the concrete plant shown include a mixing station 1, four cement silos 2, 3, 4 and 5, an aggregate silo 6 constituting a buffer stock, a hopper 8 of weighing of aggregates and an aggregate conveyor 9 going from the hopper 8 to the mixing station 1.
  • a feed conveyor 10 brings the aggregates to the silo 6.
  • the mixing station 1 comprises a mixer 11 with vertical axis, emptying into an outlet hopper 12 which can pour concrete into a bucket or a vehicle located in a passage 13 located below it.
  • the mixer 1 receives the aggregates directly from the belt conveyor 9.
  • the cement is delivered to the mixer by a weighing hopper 14 which is fed by screw conveyors 15 to 18 coming respectively from the silos 2 to 5.
  • each of the conveyors 15 to 18 is represented simply by a dashed line in order to clarify the drawing.
  • these cement conveyors are higher than the aggregate conveyor 9 and can therefore pass over it. This is in particular the case of the conveyor 18 shown in FIG. 2. Thanks to this arrangement, the aggregate conveyor 9 passes directly through the horizontal grip of the group of cement silos.
  • the mixing station 1 and the cement silos 2 to 5 are all mounted on a common support structure, comprising a metal frame 20 on a foundation such that a slab 21 resting on a horizontal ground 22.
  • Each silo 2 to 5 rests on the chassis 20 by means of respective legs 23, 24.
  • the mixing station 1 is mounted on the chassis 20 so as to be largely in overhang over passage 13, which is therefore clear and easily accessible to vehicles on three sides.
  • the plant operator can be installed in this station and enjoy good visibility of the vehicles to be loaded.
  • the aggregate buffer stock preferably consists of a circular storage in the silo 6, which is subdivided for example into four cells by radial walls 26, 27, 28 and 29 shown diagrammatically in FIG. 2.
  • the aggregates brought in by the conveyor feed 10 are selectively discharged into one or the other of these cells, thanks to a rotating chute 30 installed at the top of the silo 6.
  • the base of each cell is provided with a sampling hatch 31 located above of the weighing hopper 8. In a known manner, the latter can receive and weigh successively each of the four components of the aggregates, then pour the whole onto the conveyor 9 for each batch of the mixer 11.
  • the four cement silos 2 to 5 with capacities of 60 to 80 tonnes respectively, have a rectangular plan layout, but any other compact arrangement is possible, in particular with a silo placed in the center above of the aggregate conveyor 9.
  • the aggregate silo 6 is supported by a separate structure 33 resting on foundations 34.
  • a buffer stock As a buffer stock, it has a relatively limited capacity, for example 250 m 3, covering only a few hours of plant production. Thanks to this limited volume of the aggregate silo and thanks to the compact arrangement of the elements described above, all of them occupy a relatively modest volume, which can be wrapped in external cladding 35 (shown schematically in lines interrupted in Figures 1 and 2), which may consist in particular of blades profiled in aluminum or insulating strips in sandwich construction, fixed on cladding beams which are supported by an appropriate framework.
  • the cladding 35 also includes a roof.
  • An advantage of the compact construction described above is that a large part of the cladding beams can be fixed directly to the structures of the elements of the plant, in particular to the frame 20, to the frame of the mixing station 1, to the legs 23 and 24 from the cement silos, to the support structure 33 of the aggregate silo 6 and to this silo itself.
  • it has a cylindrical shape at its ends 36 and 37, which reduces to a minimum the thrust of the wind and the total surface of the cladding, while presenting an advantageous aesthetic.
  • the cantilevered arrangement of the mixing station 1 also allows a reduction in the total volume, since the passage 13 of the vehicles is outside the building and part of the station 1 can be prominent relative to the exterior of the cladding 35.
  • the enclosure formed by the cladding 35 around all of the main elements of the compact power plant not only has the effect of concealing these from the view of the neighborhood, under a covering which can be integrated if necessary. surrounding architecture, but it also performs a function of sound insulation and containment of any dust emissions.
  • it when it is thermally insulating, it can play a very important role in the quality of concrete produced in regions with a particularly cold or hot climate, since the setting time of concrete is strongly influenced by its temperature and therefore by those of its components (aggregates, cement, water).
  • the compact unit can easily be equipped with a heating and / or cooling block 38 (FIG. 1) which finds a place inside the enclosure to cool it, in order to maintain a uniform temperature. the aggregate buffer stock and the cement stock, as well as a water reserve if necessary.
  • the feed conveyor 10 is located on a mobile walkway or grasshopper 40 which crosses the cladding 35 through an opening 41 to arrive above the center of the aggregate silo 6 (FIG. 1).
  • the conveyor 10 can pivot around the vertical axis 42 of this silo to feed it from any number of positions in an external stock of aggregates, distributed over a circular arc around the power plant.
  • the pivoting angle A of the conveyor 10 can extend over 240 °, that is to say that the external stock can be very large.
  • the opening 41 can be closed by sliding doors thanks to the circular shape of the cladding 35.
  • the lower end of the conveyor 10 rests on a track in an arc of a circle 43 thanks to legs 44 provided with wheels, which makes it possible to place it successively under different loading hoppers 45, each of these hoppers being fed by machines placed on an access ramp 46. Thanks to this arrangement and to the relatively small silo 6 of the buffer stock, it is possible to have a power station with a large hourly flow rate whose envelope 35 is relatively small, light and inexpensive.
  • the ribbon supply conveyor 10 can be replaced by any other means of supplying the aggregates, for example a bucket elevator or an elevator with one or more tipping or skipping buckets.

Landscapes

  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Artificial Fish Reefs (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Fertilizers (AREA)

Claims (10)

  1. Kompakte Zentrale für die Herstellung von Beton bestehend aus:
    - einer mit einem Mischer ausgerüsteten Mischanlage und einem durch die Mischanlage versorgten Ausgangstrichter,
    - einer Gruppe Zement-Silos, die die Mischanlage über Zementförderer versorgen,
    - einem mit Entnahme-Mittel ausgerüsteten Granulat-Puffer-Lager,
    - Wiegemittel für die aus dem Puffer-Lager entnommenen Granulate, und
    - einem Granulat-Förderer der zwischen den Entnahme-Mittel und der Mischanlage liegt,
    gekennzeichnet dadurch, daß die Gruppe Zement-Silos (2 bis 5) zwischen dem Granulat Puffer-Lager (6) und der Mischanlage (1) angeordnet ist, dadurch, daß die Mischanlage (1) und insbesondere ihr Ausgangstrichter (12) mindestens teilweise überhängend über einem für den Beton empfangende Fahrzeuge vorgesehenen Durchgang (13) angeordnet ist, dadurch, daß das Granulat-Puffer-Lager in einem Granulat-Silo enthalten (6) ist, das in mehrere Zellen aufgeteilt ist, deren Entnahme-Öffnungen über einem gemeinsamen Trichter (8) angeordnet sind, und dadurch, daß der Granulat-Förderer (9) durch den durch die Gruppe Zement-Silos (2 bis 5) und die Zement-Förderer besetzten Bereich geht.
  2. Zentrale gemäß Anspruch 1, gekennzeichnet dadurch, daß die Mischanlage (1) und die Zement-Silos (2 bis 5) auf einer gemeinsamen Tragstruktur (20) angebracht sind, in der der Überhang der Mischanlage durch die Zement-Silos ausgeglichen wird.
  3. Zentrale gemäß Anspruch 1 oder 2, gekennzeichnet dadurch, daß das durch die Mischanlage (1), die Zement-Silos (2 bis 5), das Granulat-Silo (6) und deren Tragstrukturen gebildete Komplex durch eine vorgehängte Metallfassade (35) abgeschirmt ist, dessen Gerippe Stringer besitzt, die an den besagten, die Mischanlage und die Silos trangenden Strukturen (20, 23, 33) befestigt sind.
  4. Zentrale gemäß Anspruch 1, gekennzeichnet dadurch, daß der besagte gemeinsame Trichter (8) ein Wiege-Trichter ist.
  5. Zentrale gemäß einem der vorangehenden Ansprüche, gekennzeichnet dadurch, daß das Granulat-Silo (6) kreisförmig um eine Vertikal-Achse (42) angeordnet ist, und radiale Trennwände (26 bis 29) besitzt, die die besagten Zellen begrenzen, und dadurch, daß eine drehende Rutsche (30) auf dem Gipfel des Granulat-Silos (6) angebracht ist, und eingerichtet ist, um Granulate von einem Versorgungsförderer (10) zu empfangen und diese in eine im Silo (6) gewählte Zelle zu leiten.
  6. Zentrale gemäß Anspruch 5, gekennzeichnet dadurch, daß der Versorgungsförderer (10) um die Achse (42) des Granulat-Silos (6) dreht.
  7. Zentrale gemäß Ansprüche 3 und 5, gekennzeichnet dadurch, daß die Fassade (35) an einem ersten Ende der Zentrale, rundum das Granulat-Silo (6), eine halb-zylindrische Form besitzt.
  8. Zentrale gemäß Anspruch 7, gekennzeichnet dadurch, daß die Fassade (35) an dem anderen Ende der Zentrale, bei der Mischanlage (1), eine halb-zylindrische Form besitzt.
  9. Zentrale gemäß Anspruch 3, gekennzeichnet dadurch, daß die Fassade (35) ein thermische und/oder phonische Isolierungsumfassung bildet.
  10. Zentrale gemäß Anspruch 9, gekennzeichnet dadurch, daß sie Heizungs- und/oder Kühlungsmittel (38) umfaßt, die angeordnet sind um die in dem besagten Raum befindlichen Elemente (1 bis 9) auf einer festgelegten konstanten Temperatur zu halten.
EP93440085A 1992-10-16 1993-10-14 Kompakte Zentrale für die Herstellung von Beton Expired - Lifetime EP0593379B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9212628A FR2696972B1 (fr) 1992-10-16 1992-10-16 Centrale compacte de fabrication de béton.
FR9212628 1992-10-16

Publications (2)

Publication Number Publication Date
EP0593379A1 EP0593379A1 (de) 1994-04-20
EP0593379B1 true EP0593379B1 (de) 1997-01-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP93440085A Expired - Lifetime EP0593379B1 (de) 1992-10-16 1993-10-14 Kompakte Zentrale für die Herstellung von Beton

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EP (1) EP0593379B1 (de)
AT (1) ATE148018T1 (de)
DE (1) DE69307646T2 (de)
FR (1) FR2696972B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2195397C1 (ru) * 2001-04-26 2002-12-27 Гордилов Олег Григорьевич Мобильная установка для приготовления пенобетона
RU2267401C1 (ru) * 2004-07-19 2006-01-10 Военно-технический университет при Федеральной службе специального строительства Российской Федерации Передвижная бетонорастворная установка
CN107322811B (zh) * 2017-08-01 2019-06-14 陕西宏基混凝土构件有限责任公司 一种便于比例调和的混凝土制造设备
CN108162196A (zh) * 2018-03-05 2018-06-15 长沙远大住宅工业集团股份有限公司 搅拌站及预制构件生产线

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1032524A (en) * 1964-01-31 1966-06-08 Portasilo Ltd Improvements in containers for dispensing powder
US3812889A (en) * 1972-08-14 1974-05-28 Rexnord Inc Dust control system utilizing temporarily stored aggregates
US4427297A (en) * 1982-04-16 1984-01-24 Cemen-Tech, Inc. Concrete ingredient metering device
CH664923A5 (en) * 1984-08-16 1988-04-15 Automation Ag Concrete production facility - is entirely in cylindrical concrete building divided into storage and machinery areas

Also Published As

Publication number Publication date
EP0593379A1 (de) 1994-04-20
FR2696972B1 (fr) 1995-01-13
FR2696972A1 (fr) 1994-04-22
DE69307646D1 (de) 1997-03-06
DE69307646T2 (de) 1997-08-21
ATE148018T1 (de) 1997-02-15

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