EP1504810B1 - Dispositif de nettoyage d'une cuve de malaxeur - Google Patents

Dispositif de nettoyage d'une cuve de malaxeur Download PDF

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Publication number
EP1504810B1
EP1504810B1 EP04018237A EP04018237A EP1504810B1 EP 1504810 B1 EP1504810 B1 EP 1504810B1 EP 04018237 A EP04018237 A EP 04018237A EP 04018237 A EP04018237 A EP 04018237A EP 1504810 B1 EP1504810 B1 EP 1504810B1
Authority
EP
European Patent Office
Prior art keywords
cleaning
spray
concrete
region
mixing drum
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.)
Not-in-force
Application number
EP04018237A
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German (de)
English (en)
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EP1504810A1 (fr
Inventor
Valentin Borozan
Josef Schlusche
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.)
Geco GmbH
Original Assignee
Geco GmbH
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Filing date
Publication date
Application filed by Geco GmbH filed Critical Geco GmbH
Publication of EP1504810A1 publication Critical patent/EP1504810A1/fr
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Publication of EP1504810B1 publication Critical patent/EP1504810B1/fr
Not-in-force legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • 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
    • B01F35/1453—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 by means of jets of fluid, e.g. air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport

Definitions

  • DE 31 27 858 A1 discloses a water supply and purification system for a concrete mixer.
  • Concrete compulsory mixers typically include a mixing tank, as well as feed, cement, water and one or more vents. Mixing water is supplied under a pressure between 4 and 6 bar via spray nozzles to the mixing vessel. The spray nozzles are arranged so that they clean the inside surfaces of the mixing container and the stirring tools and at the same time form a water curtain. The water curtain prevents the escape of dust and cement through the inlet opening and vents.
  • a stationary concrete compulsory mixer is known, to which a high-pressure cleaning device is assigned.
  • the high-pressure cleaning device By means of the high-pressure cleaning device, concrete adhering to the stirring tools or to the inner wall of the container is sprayed with water jets.
  • the high pressure cleaning device is at Press between 100 and 150 bar operated.
  • the spray heads of the cleaning device are pivotable within the mixing container by an angle of more than 180 °. For this purpose, the spray heads are accommodated on a pivotably arranged within the mixing container pivot arm.
  • the concrete compulsory mixers known from DE 31 27 858 A1 and EP 0 698 101 A1 are generally received stationarily in concrete treatment plants.
  • the concrete is mixed according to the relevant regulations regarding composition and the addition of additives and then discharged into the mixing drums of ready-mixed concrete vehicles, which generally go under transfer funnels of concrete compulsory mixers and filled there with ready-mixed concrete.
  • the device comprises a lance-shaped device whose front end is adapted for insertion into a mixing drum through the open end thereof.
  • the lance-shaped insertion tube is received on a holding device.
  • a nozzle is received through which high pressure fluid can be sprayed at least against the insides of the drum so that concrete deposited on the inside of the mixing drum can be removed.
  • WO 03/061925 A relates to a method and a device for removing concrete residues from mixing drums.
  • a concrete mixer vehicle is moved on a cleaning station to a plurality of spray heads having lance-shaped cleaning device.
  • the lance-shaped cleaning device is received on a raised pedestal and formed telescopically in the interior of the mixer drum of Transponbetonfah Wegs retractable.
  • US 5,244,498 relates to a cleaning lance, which is movable in the horizontal direction and with which the interior of a truck mixer drum can be cleaned.
  • An operator handles the lance-shaped cleaning device and manually introduces it into the interior of a truck mixer drum.
  • the operator stands for cleaning the interior of the truck mixer drum on a pedestal.
  • US 5,695,280 relates to a reprocessing plant for concrete residues.
  • the reprocessing plant recycles unused concrete residues at the end of a production day.
  • the fully automated system comprises a tower-shaped unit where concrete remains are collected in troughs and sent to the reprocessing process.
  • US 3,786,823 relates to a car wash. From spray nozzles of a horizontally extending arm as well as spray nozzles of spray arms, the exterior of a truck is cleaned.
  • the nozzles are designed to be movable, which allows the sides, back and front of the truck to be cleaned externally.
  • the spray arms can be movably received on a carriage, which can be moved in a roof surface of the integrated from US 3,786,823 guide rail.
  • Ready-mixed concrete vehicles in which mixing drums ready-mixed concrete is transported, are today brought into position for cleaning.
  • the operator To clean the outlet and the inlet area of the truck mixer drum, the operator is below the outlet chute and / or he climbs a vertically mounted ladder, which is located on the ready-mixed concrete vehicle. Occasionally a cleaning platform is available to facilitate this work.
  • the spraying and cleaning of forklift trucks takes place via a hand-operated water lance, which is manually guided by operators to spray off the concrete residue and dirt caking. During this time the operator stands in the water mist, which is loaded with microparticles, which originate from the additives admixed with the concrete.
  • the spraying of protective agents which are usually used to prevent excessive caking to the outflow and inlet area in the truck mixer drum, also produces a spray that is loaded with microparticles, which inhales the operator.
  • a method and a device for the automatic cleaning of a truck mixer drum, in particular its filling and discharge area are provided.
  • the filling and the discharge area on the inside and on the outside of dirt or concrete residues can be cleaned.
  • an ergonomic cleaning of these areas of dirt or concrete residues can be achieved by cleaning the truck mixer drum on the inside and on the outside, in particular of the filling and outlet areas, so that the time periods previously required for cleaning these areas are considerably shortened.
  • the inventively proposed cleaning method of the inside and outside of the inlet and the outlet region of a truck mixer drum is preferably carried out in cleaning chambers, in which the transport concrete vehicle enters with its rear side.
  • spray heads can be integrated in the rear wall, in the two lateral boundary walls and within the roof of the cleaning chamber.
  • the spray heads are connected via a water supply or with a water pressure via a high-pressure water device, wherein the pressure via the high-pressure device with respect to the roof side, back wall side and side wall side arranged spray / spray heads can be variably controlled.
  • a stationary frame structure may be provided, to which rigid side arms are fastened.
  • the two frame columns of the rigid frame construction can be connected to one another with a cross member, on which in turn a central arm extending in the direction of the truck mixer drum can be accommodated with spray / spray heads.
  • the ready-mixed concrete vehicle enters the frame structure with the open end of its truck mixer drum, with the arms received on the frame construction pressurized water can be directed both to the inside of the inlet area and the outlet area as well as to the entire outside of the rear area of the truck mixer drum spray nozzle. For particularly stubborn dirt or residual concrete caking can be done on the controllable high pressure targeted strengthening of emerging from the spray / spray heads water jets.
  • a frame construction in the cleaning chamber into which the ready-mixed concrete vehicle enters with a rear side, can be accommodated, on which articulated arms movable in the vertical direction are accommodated.
  • the articulated arms are movably mounted on rails in horizontal and vertical direction and are moved by integrated in the frame structure drives. These can be designed as electric drives or pneumatic drives.
  • the articulated arms may have a first Gelenkarmabêt and a second Gelenkarmabexcellent.
  • the second Gelenkarmabwolves is connected by a hinge point with the first Gelenkarmabwolves and carries a number of spray / spray heads, which can be pivoted in both vertical and horizontal direction.
  • the cleaning chambers surrounding the rear end of the ready-mixed concrete vehicle encapsulate the environment from contamination, e.g. against the mist produced during the purification of dissolved particles containing water;
  • the floors of the cleaning chambers are designed as inlet plates, via which the rinsed concrete or the dirt of a central residual concrete washing plant and / or a collecting basin can be supplied.
  • the cleaning chambers can also be formed adjacent to each other in individual sections.
  • a series of spray / spray heads can be attached to the cleaning chambers, which completely transfers the truck mixer drum of a ready-mixed concrete vehicle, so that the entire exterior of a truck mixer drum of a ready-mixed concrete vehicle can be cleaned with such a modified cleaning chamber.
  • the cleaning device may be associated with an automatable metering device for cleaning in particular the inside and the outside of the truck mixer drum of the ready-mixed concrete vehicle.
  • This automated metering device comprises at least one container and a pump.
  • the container is a means for pre- and post-treatment of the inside of the inlet or the outlet region of the truck mixer drum assigned. This agent prevents the premature caking of concrete on the insides of the inlet and outlet area of the truck mixer drum.
  • the automated cleaning method for cleaning in particular the inside and the outside of an inlet or outlet region of a truck mixer drum is coordinated via a controller.
  • the controller the dimensions of the end area of a truck mixer drum of common types of ready-mix concrete vehicles can be stored.
  • the control device for example a PLC control system
  • the travel paths of the articulated arms can be stored in the vertical direction, in the horizontal direction and the pivoting range of the spray / spray heads pivotable on the articulated arms.
  • the spray or spray heads also particularly stubborn soiling areas of the inside or outside of the inlet or outlet area of the truck mixer drum can be stored.
  • the controller can be used to optimize water consumption as well as additive quantities. If necessary, the pressure of the local water supply network can be adjusted via the controller or the water pressure available at an intermediate high-pressure device can be regulated.
  • FIG. 1 shows a ready-mixed concrete vehicle which has been retracted into a rear area in a cleaning chamber, wherein the two boundary walls and spray / spray heads are integrated in the rear wall chamber.
  • a truck mixer drum 2 On a ready-mixed concrete vehicle 1 a truck mixer drum 2 is added.
  • the truck mixer drum is filled with fresh concrete, which is usually turned on in a concrete mixer. This is placed in the truck drum 2 via a filling area 3, which is designed as a hopper 5.
  • a filling area 3 Below the filling area 3 there is an outlet area 4, which has a discharge funnel 29 and a laterally pivotable and also in its outlet height adjustable discharge chute 6. Inner sides 7 of the inlet funnel 5, the outlet funnel 29 and the outlet chute 6 come into contact with the concrete to be filled; this sticks to the insides 7.
  • the outside 8 of the filling area 3 and the outlet area 4 is badly contaminated on site, just think of concrete vats carried with cranes, from which the fresh concrete splashes on the truck mixer drum when the cap is leaking.
  • the cleaning method proposed according to the invention is carried out within a cleaning chamber 9 which has a first protective wall 10, a rear wall 11, a chamber roof 12 and a second protective wall 13; further at a cleaning station with boundary walls, ie 1st protective wall 10, rear wall 11 and 2nd protective wall 13.
  • the distribution lines in the cleaning chamber 9 are connected to the local water supply 53; if there is insufficient pressure, the connection of the local water supply 58 to a high-pressure water device 54 and then to the Distributor lines in the cleaning chamber 9.
  • the bottom of the cleaning chamber 9 is formed by inlet plates 18, via which the flushed impurities can be discharged into a basin 19 to a Restbetonauswaschstrom not shown in Figure 1.
  • the rinsed impurities from the individual area 3 are discharged via the outlet chute 6.
  • the first boundary wall 10 and the second boundary wall 13 of the cleaning chamber 9 integrated Dachsprühkexcellent 14 and integrated Towandsprühkexcellent 15 are embedded.
  • Both the outer side 8 of the filling area 3 and the outlet area 4 and the inner sides 7 of the filling funnel 5, the outlet funnel 29 and the outlet chute 6 are sprayed with pressurized water jet via water jets 16 emerging from these.
  • the water mist forming in the spray area 17, which may be contaminated by dissolved additives of the additives added to the concrete, essentially remains in the interior of the cleaning chamber 9.
  • the roof spray heads 14 integrated in the chamber roof 12 are preferably arranged such that the inner side 7, in particular of the filling area 3, ie the inlet funnel 5 can be cleaned.
  • the registered spray leaves the cleaning chamber 9.
  • the water jets 16 emerging from the spray / spray heads 15 integrated into the side walls and from the spray / spray heads of the rear wall 11 and from the spray / spray heads in the roof surface 14 can be regulated via an adjustable control valve 59 with respect to their pressure between freely preselectable pressure levels become.
  • water jets 16 can be directed in terms of their pressure targeted at particularly stubborn caking of concrete.
  • a cleaning chamber 9 emerges into which the ready-mixed concrete vehicle 1 has retracted to the rear end of the truck mixer drum 2.
  • cleaning chamber 9 can be arranged side by side several cleaning chambers 9, which are separated from each other by individual walls 10 and which are all connected via individual inlet plates 18 with a Restbetonauswaschstrom 43 not shown in Figure 2.
  • the floors of the cleaning chambers 9 are all designed with inlet plates 18, via which the rinsed waste water and the residual concrete dissolved therein can also be passed through the casserole 6 in a catch basin 19 and optionally in a Restbetonauswaschstrom 43.
  • the frame structure 20 comprises two frame columns 21, which are interconnected by a frame cross member 22, 27. At each of the frame columns 21, a rigid articulated arm 24 and 25 is received. In addition, the frame cross member 22, which rests on the upper end of the frame columns 21 on this, a third rigid arm 26.
  • the third rigid arm 26 is oriented so that the spray / spray heads 23 formed in it reach the inside 7 of the hopper 5 and the water jets 16 emerging from these spray / spray heads 23 are able to remove caking and soiling from the inside 7.
  • the side arms 24, 25 received on the rigid frame construction 20 are spaced apart so far that common types of ready-mixed concrete vehicles 1 can partially enter with their rear end into the cleaning chambers 9 as shown in FIG. 2, without the side surfaces being damaged.
  • a plurality of spray / spray heads 23 are preferably received whose water jets 16 cover the outside 8 of both the inlet region 3, i. the inlet funnel 5 and the outlet area 4, i. reach the outlet funnel 29 and the outlet chute 6. Due to the encapsulation of the rigid frame construction. 20 within the cleaning chamber 9 further cleaning chambers 9 are protected against contamination by water mist; As shown in FIG. 2, the further cleaning chambers 9 can also be used to clean the rear area of truck mixer drums 2 of ready-mixed concrete vehicles 1.
  • Each of the cleaning chambers 9 is provided with inlet plates 18 in the bottom surface. The splash and the residual concrete leave the cleaning chamber. 9
  • a plurality of rigid side arms can also be accommodated on the rigid frame structure 20 laterally one above the other.
  • the cross member 22, 27 of the rigid frame structure 20 also accommodate a plurality of the end of the truck drum 2 partially superior arms 26.
  • the spray / spray heads 23 accommodated in the rigid side arms 24, 25 or in the central arm 26 can be acted upon by adjustable valves 59 with different water pressures, so that particularly heavily soiled areas on the inside 7 of the inlet area 3 and the inside of the outlet chute 6 and the outlet funnel 29 persistently adhering Betonanbackept are removable.
  • the spraying / spraying heads arranged in the rigid side arms 24, 25 as well as in the rigid central arm 26 are identified by the reference numeral 28, which on the Cross members 22, 27 of the rigid frame structure 20 mounted spray heads are indicated by reference numeral 23.
  • the water supply to the spray heads 28 and 23 takes place through the local water supply 53, 58 or via the high-pressure device 54, wherein the pressure can be regulated by control valves 59. At the control valve 59, the pressure of the water jet 16 emerging from the spray / spray heads 23, 28 can be adjusted, so that stubborn caking on the inner sides 7 or the outer sides 8 of the filling area 3 and the outlet area 4 can be treated with higher water pressures.
  • FIG. 3 shows a further embodiment variant of a cleaning device for cleaning the inner and outer sides of the rear area of a truck mixer drum of a ready-mixed concrete vehicle.
  • a ready-mixed concrete vehicle 1 is retracted with the rear portion of its truck mixer drum 2.
  • the cleaning chamber 9 is bounded by a first lateral boundary wall 10, a second lateral boundary wall 13, a rear wall 11 and the chamber roof 12.
  • the bottom surface of the cleaning chamber 9 is designed as a feed plate 18.
  • a plurality of cleaning chambers 9 separated from each other by the second walls 10 may be provided, which are encapsulated with one another by the chamber roof 12 or the side walls 10, 13. Cleaning water and residual concrete leave the cleaning chambers 9 via the inlet plates 18.
  • a frame 20 is accommodated within the cleaning chamber 9, into which the ready-mixed concrete vehicle 1 has retracted with its rear area, on which articulated arms 31 and 32 are moveably accommodated.
  • At least one drive 30 is provided on the frame 20.
  • the high-pressure device 54 may be arranged outside the water purification chamber 9. Via the drives 30, the articulated arms 31, 32 can be moved in the vertical direction, ie perpendicular to the plane of the drawing according to FIG.
  • the articulated arms 31, 32 each have a hinge point 33, on which a first articulated arm portion 31 and a second articulated arm portion 35 are pivotally coupled together.
  • the use of drives 30, a method of spraying / spraying devices in the horizontal direction via a cross member 22 can be realized.
  • a plurality of spray / spray heads 23 are accommodated on the first articulated arm sections 34, said spraying heads 23 being accommodated on the outside 8 of the filling and the outlet region 3, 4 are directed.
  • the spray / spray heads 23 received on the articulated arm sections 34 and 35 can be adjusted to the contour of the inlet and outlet areas 3, 4 of the truck mixer drum 2, so that a particularly effective cleaning by means of dense feeding of the Spray heads to the outside to be cleaned 8 is ensured.
  • the spray / spray heads 23 accommodated at the ends of the first articulated arm sections 34 can be designed to be pivotable within a pivoting region 41 in a horizontal plane.
  • the frame 20 is associated with an external high-pressure water device 54, which may be arranged outside the cleaning chamber 9.
  • the high-pressure device 54 which contains a pressure control, the water pressure, the water jets 16 emerging from the spray / spray heads 23 can be adjusted, i. increase or decrease.
  • FIG. 4 is a side view of a ready-mixed concrete vehicle, the rear part of which is retracted into a cleaning chamber.
  • the rear area of the truck mixer drum 2 of the ready-mixed concrete vehicle 1 is enclosed by the side walls 10, 13 of the rear wall 11 and the chamber roof 12 of the cleaning chamber 9.
  • the bottom of the cleaning chamber 9 is formed by inlet plates 18 to dissipate the rinse water.
  • one of the frame columns 21 of the frame 20 is shown, on which a running rail 36 is arranged.
  • the second articulated arm 32 in the vertical direction 42 is movable.
  • the second articulated arm 32 comprises the first articulated arm section 34 and the second articulated arm section 35, which are connected to one another at a joint 33.
  • the first articulated arm section 34 has a pivotable spray / spray head 37, which can be pivoted in the vertical direction.
  • the articulated arms 31, 32 are movable in the vertical direction, also takes place via the drives a delivery of the Fahrmischertrommelende assigning spray / spray heads 23 and the buckling of the articulated arms 31, 32 at its hinge point 33 for optimal positioning
  • a feed table 44 of the Restbetonauswaschstrom 43 upon pivoting of the articulated arms 31, 32 are cleaned by 180 ° by high-pressure jets 16 of the spraying / spraying heads.
  • integrated spray / spray heads 14 are received in the chamber roof 12 of the cleaning chamber 9, with which in particular the inside 7 of the filling area 3 of the truck mixer drum 2 can be cleaned.
  • the cleaning chambers 9 is associated with a metering device 50, which has a first container 51 and a second container 52 for receiving e.g. a separation medium may have.
  • the metering device which may have at least one or also the two containers 51, 52 shown in FIG. 4, is provided with a pump 53.
  • the metering device 50 is a line to the spray / spray heads 14, 23 is provided. About this is applied to the concrete coming into contact surfaces of the inner sides 6 and the outer sides 8 of the inlet funnel 5, the outlet funnel 29 and the inside of the outlet chute 6 to reduce premature tackling of the concrete and after emptying the truck drum 2 remaining residual concrete residues.
  • the cleaning chamber 9 shown in FIG. 4 can have, as an extension, a holding device 40 which covers the area of the truck mixer drum 2 which has not been retracted into the cleaning chamber 9.
  • a holding device 40 which covers the area of the truck mixer drum 2 which has not been retracted into the cleaning chamber 9.
  • spraying line 45 attached to the lower side of holding device 40 and spraying / spraying heads 23 arranged thereon, the entire outer peripheral surface can be cleaned by turning the truck mixer drum 2.
  • the frame cleaning device comprising movable articulated arms 31, 32 shown in FIGS. 3 and 4 can be controlled via a control device 55.
  • control device 55 can be both horizontal and vertical movements 42 of the articulated arms 31, 32 via the actuators 30 (possibly also on the cross member 22), control, as well as the pressure level, which is generated via the high-pressure device 54, vary.
  • the water pressure levels which are applied to the respective spraying / spraying devices 14, 23 arranged in the cleaning chamber 9 can be freely preselected.
  • the control device which comprises a read-only memory 56
  • the water pressure of the water jets 16 exiting at the spray / spray heads 14, 23 can be adjusted and, if necessary, increased with particularly stubborn residual concrete caking, so that they can be completely rinsed off.
  • the read memory 56 of the control device 55 the dimensions in terms of height and width more common Transport concrete vehicles with respect to the open end of the mixing drum 2 to be stored.
  • the travel paths 42 of the articulated arms 31, 32, the pivoting movements 37, 41 of the spray / spray heads 23 and the buckling of the articulated arms 31, 32 at the hinge point 33 for adaptation to the outer contour of the area to be cleaned, controlled.
  • FIG. 4 a shows an embodiment variant in which the cleaning chamber 9 is assigned a residual concrete washing installation 43, which has a scoop wheel 46.
  • the scoop wheel 46 of the waste concrete washing plant 43 By means of the scoop wheel 46 of the waste concrete washing plant 43, a catch basin arranged below zero level can advantageously be scooped up, into which the spray water or the washed-off residual concrete can be transferred out of the cleaning area 9.
  • FIG. 4b shows a residual concrete washing installation 43 arranged below the floor level, in whose feed table 44 spray water or residual concrete flowing off via the inlet plates 18 can be filled.
  • the rinsing water leaves the cleaning chamber 9 with the concrete residues and particles.
  • the rinsing water discharge from the cleaning chamber 9 is realized in accordance with local conditions.
  • the rinsing water can be drained off via inlet plates 18 or an optional farm gradient, wherein the rinsing water can be fed into a basin 19 shown in FIG. 1 via the inlet plates 18 or the outlet tube 6.
  • the flushing water discharge can take place according to the variant shown in FIG. 4 in a residual concrete washing installation 43.
  • This flushes the rinse water into the Restbetonauswaschstrom 43 and an optionally existing basin 19.
  • the rinse water through the inlet plates 18 and the outlet chute 6 to Restbetonauswaschstrom 43 or whose feed table 44 passed.
  • the inflow into the tank 19 can be omitted.
  • the residual concrete washing installation 43 can be placed below zero level. Then the Spüliganabtechnisch on the outlet chute 6 and the inlet plates 18 without the use of a Receiving basin 19 are introduced directly into the Restbetonauswaschstrom 43, which requires no bucket 46 (see Figure 4a).
  • the cleaning device proposed according to the invention may be followed by a unit, a scoop wheel 46, the scrubber 43 or a feed table or basin arrangement 19, 44, this unit comprising the rinse water with residual concrete and components and Particles can be fed directly through the outlet chute 6 and the inlet plates 18 of the cleaning chamber 9.

Claims (9)

  1. Dispositif de nettoyage d'une cuve de malaxeur (2) d'un véhicule de transport de béton (1), la cuve de malaxeur (3) comprenant une zone de remplissage (3) et une zone d'évacuation (4) pour du béton transporté, avec des têtes d'aspersion ou de pulvérisation (14, 15), caractérisé en ce que les têtes d'aspersion ou de pulvérisation (14, 15) sont associées à des surfaces de délimitation (10, 13) sur le côté de la zone de remplissage (3, 5) et de la zone d'évacuation (4, 6) de la cuve de malaxeur mobile (2), d'un emplacement de nettoyage (9) présentant une zone de nettoyage (17), ainsi qu'à une surface de toit (12) délimitant l'emplacement de nettoyage (9), pour nettoyer la face intérieure (7) de la zone de remplissage (3, 5) de la cuve de malaxeur transportable (2), et en ce que les têtes d'aspersion ou de pulvérisation (23, 28) sont supportées sur des bras (24, 25, 26) rigides ou des bras articulés (31, 32) rigides d'un cadre (20), qui délimitent la zone de nettoyage (17), et en ce que le cadre (20) est disposé à l'intérieur de l'emplacement de nettoyage (9), pour nettoyer les faces intérieures (7) et les faces extérieures (8) de la zone de remplissage (3, 5) et de la zone d'évacuation (4, 6) de la cuve de malaxeur (2), et en ce que, au-dessous de la zone de nettoyage (17), est prévue une installation de nettoyage par lavage (43) de béton résiduel ou un bac (44).
  2. Dispositif selon la revendication 1, caractérisé en ce que le cadre (20) présente un bras central (26), supporté sur une traverse de cadre (22, 27), et s'étend au-dessus de la zone de remplissage (3, 5) de la cuve de malaxeur mobile (2) introduite dans l'emplacement de nettoyage (9).
  3. Dispositif selon la revendication 1, caractérisé en ce que les têtes d'aspersion/pulvérisation (23, 28) sont déplaçables en direction horizontale et/ou verticale (42), par l'intermédiaire d'entraînements (30) sur un cadre (20), et sont supportées sur une traverse de cadre (22, 27).
  4. Dispositif selon la revendication 1, caractérisé en ce que les bras articulés (31, 32) présentent chacun un point d'articulation (33), sur lequel sont reliés ensemble un premier tronçon (34) de bras d'articulation et un deuxième tronçon (35') de bras d'articulation, qui peuvent être placés sur la face extérieure (8) à nettoyer de la zone de remplissage (3, 5) et de la zone d'évacuation (4, 5) de la cuve de malaxeur mobile (2).
  5. Dispositif selon la revendication 1, caractérisé en ce que les têtes d'aspersion/pulvérisation (23, 28), supportées sur les bras articulés (31, 32), sont susceptibles de pivoter dans un plan horizontal et sont également susceptibles de pivoter dans un plan (37) s'étendant perpendiculairement par rapport à celui-ci.
  6. Dispositif selon la revendication 1, caractérisé en ce que, sur un organe de maintien (40), couvrant l'emplacement de nettoyage (9) sur toute la longueur de la cuve de malaxeur mobile (2), est supportée une conduite d'aspersion/pulvérisation (45), présentant les têtes d'aspersion/pulvérisation (23) sur la face tournée vers la cuve de malaxeur mobile (2).
  7. Dispositif selon la revendication 1, caractérisé en ce que, à l'emplacement de nettoyage (9), est associé un organe de dosage (50) pour un agent de séparation empêchant des accrochages de béton, pour application sur la face intérieure (7) de la zone de remplissage (3, 5) et de la zone d'évacuation (4, 6).
  8. Dispositif selon la revendication 1, caractérisé en ce que les bras articulés (31, 32) sont susceptibles de pivoter autour du cadre (20) et sont susceptibles d'être placés sur l'installation d'évacuation par lavage (43) du béton résiduel, pour nettoyer la table d'amenée (44).
  9. Dispositif selon la revendication 1, caractérisé en ce que le niveau de pression dans les organes d'aspersion/pulvérisation (14, 15, 23) est réglable par des valves de réglage (59), associées à un appareil à haute pression (54) ou à un raccordement d'une alimentation en eau (58) locale.
EP04018237A 2003-08-07 2004-08-02 Dispositif de nettoyage d'une cuve de malaxeur Not-in-force EP1504810B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10336261A DE10336261A1 (de) 2003-08-07 2003-08-07 Reinigungsverfahren für Mischtrommeln und Vorrichtung dafür
DE10336261 2003-08-07

Publications (2)

Publication Number Publication Date
EP1504810A1 EP1504810A1 (fr) 2005-02-09
EP1504810B1 true EP1504810B1 (fr) 2007-04-11

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EP04018237A Not-in-force EP1504810B1 (fr) 2003-08-07 2004-08-02 Dispositif de nettoyage d'une cuve de malaxeur

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EP (1) EP1504810B1 (fr)
AT (1) ATE359114T1 (fr)
DE (2) DE10336261A1 (fr)

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
ES2265790B1 (es) * 2006-03-27 2007-12-01 Hormigones Uniland, S.L. "dispositivo ajustador de la proporcion de agua de una masa de hormigon contenida en la cuba de un camion hormigonera y procedimiento de fabricacion de hormigon correspondiente".
CN105880236B (zh) * 2016-06-01 2019-05-03 福建南方路面机械有限公司 用于混凝土搅拌机的多点清扫系统及多点清扫方法
CN111674363A (zh) * 2020-06-18 2020-09-18 中国重汽集团柳州运力专用汽车有限公司 快速加水防溢漏装置
DE202020107194U1 (de) * 2020-12-11 2022-03-15 Liebherr-Mischtechnik Gmbh Vorrichtung zur Beladung von Betonmischern
CN113401598B (zh) * 2021-06-28 2022-08-09 新兴栈(绵阳)建材有限公司 一种混凝土加工用上料机
CN115056342B (zh) * 2022-07-05 2024-05-03 山东工业职业学院 一种搅拌均匀且便于控制出料量的混凝土搅拌机

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
US3786823A (en) * 1971-07-19 1974-01-22 R Wiley Truck wash apparatus
DE3318390A1 (de) * 1983-02-05 1984-08-09 Bauunternehmung und Betonwerke Lorenz Kesting GmbH & Co KG, 4670 Lünen Verladeeinrichtung fuer transportbeton
US5244498A (en) * 1991-04-09 1993-09-14 W. R. Grace & Co. Of Canada Ltd. Concrete mixing drum cleaning method and apparatus
DE4226712A1 (de) * 1992-08-12 1994-02-17 Frank Ag Anlage zum Reinigen von Kraftfahrzeugen
FR2700492B1 (fr) * 1993-01-20 1995-04-07 Albert Bingler Malaxeur à béton pourvu d'un dispositif de lavage à haute pression.
CH686496A5 (de) * 1994-12-02 1996-04-15 Johannes Fitzi Reinigungseinrichtung.
US5695280A (en) * 1995-07-28 1997-12-09 Ozinga Bros., Inc. Concrete stabilization system and method for utilizing same
US6418948B1 (en) * 1998-10-30 2002-07-16 Thomas G. Harmon Apparatus and method for removing concrete from interior surfaces of a concrete mixing drum
AUPS012302A0 (en) * 2002-01-25 2002-02-14 Campbell, William Ward Method and apparatus for the removal of concrete scale

Also Published As

Publication number Publication date
EP1504810A1 (fr) 2005-02-09
DE502004003447D1 (de) 2007-05-24
ATE359114T1 (de) 2007-05-15
DE10336261A1 (de) 2005-03-10

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