EP3145687B1 - Installation de mélange continue pour la preparation d'une composition de coulis alvéolaire et procédé d'opération de ladite installation de mélange continue - Google Patents

Installation de mélange continue pour la preparation d'une composition de coulis alvéolaire et procédé d'opération de ladite installation de mélange continue Download PDF

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Publication number
EP3145687B1
EP3145687B1 EP15736167.6A EP15736167A EP3145687B1 EP 3145687 B1 EP3145687 B1 EP 3145687B1 EP 15736167 A EP15736167 A EP 15736167A EP 3145687 B1 EP3145687 B1 EP 3145687B1
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EP
European Patent Office
Prior art keywords
mixer
vertical
housing
horizontal
slurry
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.)
Active
Application number
EP15736167.6A
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German (de)
English (en)
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EP3145687A2 (fr
Inventor
Karl ENZENHOFER
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Geolyth Mineral Technologie GmbH
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Geolyth Mineral Technologie GmbH
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Priority to PL15736167T priority Critical patent/PL3145687T3/pl
Priority to SI201530414T priority patent/SI3145687T1/sl
Publication of EP3145687A2 publication Critical patent/EP3145687A2/fr
Application granted granted Critical
Publication of EP3145687B1 publication Critical patent/EP3145687B1/fr
Priority to HRP20181562TT priority patent/HRP20181562T1/hr
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    • 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
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • 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
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10—Mixing in containers not actuated to effect the mixing
    • B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/1238—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices
    • B28C5/1292—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices with rotating stirring and feeding or discharging means fixed on the same axis, e.g. in an inclined container fed at its lower part
    • 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
    • B01F35/11—Maintenance of mixers using fluids
    • 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
    • B01F23/50—Mixing liquids with solids
    • B01F23/565—Mixing liquids with solids by introducing liquids in solid material, e.g. to obtain slurries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
    • B01F27/053—Stirrers characterised by their elements, materials or mechanical properties characterised by their materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0721—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis parallel with respect to the rotating axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0727—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis having stirring elements connected to the stirrer shaft each by two or more radial rods, e.g. the shaft being interrupted between the rods, or of crankshaft type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
    • B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
    • B01F27/1921—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements comprising helical elements and paddles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
    • B01F27/2123—Shafts with both stirring means and feeding or discharging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/627—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis the receptacles being tiltable, e.g. for emptying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B01F27/906—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms  with fixed axis
    • 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
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/82—Combinations of dissimilar mixers
    • B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
    • 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
    • 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
    • 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
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/41—Mounting or supporting stirrer shafts or stirrer units on receptacles
    • B01F35/412—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting both extremities of the shaft
    • 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
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/41—Mounting or supporting stirrer shafts or stirrer units on receptacles
    • B01F35/412—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting both extremities of the shaft
    • B01F35/4122—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting both extremities of the shaft at the side walls of the receptacle
    • 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
    • B01F35/50—Mixing receptacles
    • B01F35/511—Mixing receptacles provided with liners, e.g. wear resistant or flexible liners
    • 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
    • B01F35/56—General build-up of the mixers
    • 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
    • B01F35/715—Feeding the components in several steps, e.g. successive steps
    • 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
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7176—Feed mechanisms characterised by the means for feeding the components to the mixer using pumps
    • 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
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71775—Feed mechanisms characterised by the means for feeding the components to the mixer using helical screws
    • 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
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/7544—Discharge mechanisms characterised by the means for discharging the components from the mixer using pumps
    • 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
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10—Mixing in containers not actuated to effect the mixing
    • B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/1238—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices
    • B28C5/1269—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices for making cellular concrete
    • 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
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10—Mixing in containers not actuated to effect the mixing
    • B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/1238—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices
    • B28C5/1276—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices with consecutive separate containers with rotating stirring and feeding or discharging means
    • B28C5/1284—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices with consecutive separate containers with rotating stirring and feeding or discharging means having a feeding hopper and consecutive vertical or inclined mixing container fed at its upper part
    • 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
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10—Mixing in containers not actuated to effect the mixing
    • B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/14—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
    • 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
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10—Mixing in containers not actuated to effect the mixing
    • B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis

Definitions

  • a problem with mixing powdered and / or granular solids with liquid to form a self-curing foamed slurry is that good mixing of the slurry and the foam must occur without destroying the foam structure.
  • Another problem is that after completion of the discharge from the mixer a residue of slurry remains as adhesion in the mixer and cures there, unless the mixer is cleaned promptly.
  • a continuous mixer with the help of which one can mix over a longer period in the flow - and not in individual separate batches with intermediate downtime has to mix, - Although the cleaning effort is reduced, but must also here after discharge or in an unscheduled Stop the mixer for cleaning.
  • Sub-tasks of the invention can be seen in the fact that there is no curing of the slurry in the continuous mixing plant, the amount and density of the foamed slurry produced should be adjustable in a wide range, a gentle foaming of the slurry is possible, destruction of the foam structure is prevented that production can be stopped at any time without major problems and that the system can be quickly cleaned when the continuous operation ceases.
  • the amount of slurry and foam is preferably chosen so that the promotion by the horizontal mixing chamber is mainly due to the higher volume flow of the foam.
  • the amount of slurry which is pumped into the horizontal mixer is particularly preferred is between 1 and 12 liters per minute is an amount of 2 to 9 liters / minute.
  • the amount of foam pumped into the horizontal mixer is preferably between 30 and 200 liters / minute, more preferably between 50 and 100 liters / minute.
  • the ratio between the volume of the foam and the volume of the slurry is between 200: 1 and 30:12, more preferably between 50: 1 and 5: 1.
  • the shaft of the mixing tool of the vertical mixer at the lower end on a coupling which is in operative connection with the rotor of the eccentric pump, so that the chamber of the vertical mixer with the motor mounted thereon and the mixing tool of the eccentric screw pump and the solid feed opening moves away, in particular pivoted away can be.
  • the vertical mixing chamber and / or the horizontal mixing chamber supply valves for cleaning liquid, via which cleaning liquid can be fed under high pressure.
  • the vertical mixing chamber preferably has high-pressure injection nozzles, via which the required process water can also be injected.
  • the first preferred improvement of the vertical mixer according to the invention consists in that an additional cover, or gate valve is present.
  • the vertical mixer can be closed in a region between the supply port of the solids and the supply port of the mixing liquid.
  • the mixer can be cleaned with cleaning fluid under high pressure or normal pressure. The cleaning liquid is injected through the supply opening of the mixing liquid, or through additional nozzles.
  • the second preferred improvement of the vertical mixer according to the invention is that it is designed in two parts is, wherein only in the second, lower portion of the mixing chamber mixing water is added.
  • the two sections are formed by the use of a disc which has a closable opening for the passage of solids.
  • a mixing tool which sweeps at least once per revolution, all surface areas of the inside of the lower portion of the mixing chamber, so that no material can adhere to it and harden.
  • the mixing tool located in this section has two plug-in couplings for connection to the rotor of the eccentric screw pump on the one hand and with the shaft of the motor on the other.
  • the housing of the mixing chamber can be opened in the lower section and the mixing tool removed.
  • the connection of the eccentric screw pump and the mixer housing is preferably releasably, for example by means of clamping lever, electric linear drive, or a pneumatic or hydraulic cylinder, so that the horizontal mixer housing can be moved away if necessary from the eccentric screw pump.
  • the particularly preferred improvement of the horizontal mixer according to the invention consists in that the mixing tool of the horizontal mixer consists of an elongated shaft to which elastically deformable mixing elements are preferably made of high-strength steel. These mixing elements are exposed in operation bending forces and vibrations, whereby a change in shape of the flexible spring steel, which has the release of caking result. This is particularly advantageous if the solids have no fraction of coarse-grained particles which would otherwise contribute to the dissolution of caking.
  • the mixer housing 5.3 is elongate and preferably has an annular cross-section, so it is preferably formed as a horizontal hollow cylinder, which is closed at one or both ends with a disc.
  • the housing 5.3 In the rear area of the mixer 5, the housing 5.3 has the outlet opening 5.3.3, through which the slurry mixed with foam leaves the continuous mixing plant.
  • the horizontal mixing tool 5.1 In the mixer 5.3 is the horizontal mixing tool 5.1. This consists of an elongated shaft, which is provided with a plurality of mixing elements 5.1.1. The shaft can be mounted on both sides of the mixer 5 in the housing 5.3.
  • the horizontal mixing tool 5.1 is driven by the motor 5.2 and thereby rotates about its own axis.
  • the rotation of the mixing elements 5.1.1 is effected at an angle of 90 ° to the transport direction of the slurry and the foam.
  • the mixing distance of slurry and foam is determined by the length of the mixing chamber of the horizontal mixer 5.
  • the foamed slurry preferably passes directly from the outlet opening 5.3.3 into a mold 6 in which it can harden to form an element, in particular to a plate or plate geometry.
  • the slurry could be filled into preformed components such as bricks to improve their thermal insulation properties.
  • Fig. 2 shows a continuous mixing plant according to the invention, wherein details in particular preferred details of the embodiment are shown.
  • the conveying device 2 is a screw conveyor.
  • the screw conveyor 2.1 is driven by a motor 2.2.
  • the screw conveyor 2.1 projects into the mixing chamber of the vertical mixer 3.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Accessories For Mixers (AREA)

Claims (15)

  1. Installation de mélange continu pour la préparation d'une suspension moussée, dans laquelle on mélange dans un mélangeur vertical (3) des solides et un liquide de gâchage pour en faire une suspension fluide, et dans laquelle se trouve à l'extrémité inférieure du mélangeur vertical (3) une pompe à vis excentrique (4) agencée verticalement,
    la pompe à vis excentrique (4) débouchant, côté sortie, de manière étanche à la pression, directement dans la première extrémité avant du carter (5.3) d'un mélangeur horizontal (5), et le mélangeur (5) présentant, au niveau de sa deuxième extrémité arrière, une ouverture de sortie (5.3.3),
    caractérisée en ce que
    le carter (5.3) présente, au niveau de la première extrémité avant une ouverture d'admission de mousse (5.3.2), à laquelle est raccordée de façon étanche à la pression la conduite d'un canon à mousse, et en ce que dans le mélangeur (5), il est agencé un outil de mélange horizontal rotatif (5.1).
  2. Installation de mélange continu selon la revendication 1, caractérisée en ce que le mélangeur vertical (3) présente une partie supérieure et une partie inférieure, un dispositif de convoyage (2) pour transporter les composants solides de la suspension depuis un réservoir de stockage (1) débouchant dans la partie supérieure du mélangeur vertical (3), dans laquelle le dispositif de convoyage (2) est de préférence un convoyeur à vis et dans laquelle, dans la partie inférieure du mélangeur vertical, un raccord (3.3) conduit dans la chambre de mélange pour amener le liquide.
  3. Installation de mélange continu selon la revendication 2, caractérisée en ce que la partie supérieure du mélangeur vertical (3) s'effile de façon conique en direction de la partie inférieure du mélangeur vertical (3), un élément racleur (11) tournant avec l'outil de mélange vertical (3.1) reposant au moins approximativement sur la surface d'enveloppe de la partie conique, et l'outil de mélange vertical (3.1) étant réalisé, dans la partie inférieure du mélangeur vertical (3), comme un batteur qui comprend au moins deux branches, qui reposent au moins approximativement sur la surface d'enveloppe de la partie inférieure cylindrique du mélangeur vertical (3).
  4. Installation de mélange continu selon l'une des revendications 1 à 3, caractérisée en ce que, dans le mélangeur vertical (3) ou dans la partie inférieure du mélangeur vertical (3), il est utilisé un insert amovible en plastique, en particulier sous la forme d'un tube, qui forme la surface d'enveloppe intérieure du carter du mélangeur.
  5. Installation de mélange continu selon l'une des revendications 1 à 4, caractérisée en ce que le mélangeur vertical (3), dans la zone entre l'ouverture de sortie du dispositif de convoyage (2) et le raccord (3.3), est muni d'une plaque de séparation (3.4) qui sépare le mélangeur vertical (3) en deux parties séparées et qui présente au moins une ouverture pour le passage des solides et de l'arbre d'entraînement de l'outil de mélange vertical (3.1).
  6. Installation de mélange continu selon l'une des revendications 1 à 5, caractérisée en ce que l'outil de mélange vertical (3.1), à l'intérieur du carter du mélangeur vertical (3), est raccordé à l'arbre d'entraînement (3.2.1) d'un moteur monté sur le carter du mélangeur (3.2) par le biais d'un raccord à enfichage, et en ce que le moteur (3.2) peut être enlevé avec le couvercle (3.2.2) du mélangeur vertical (3), de sorte que l'outil de mélange vertical (3.1) peut être retiré verticalement du carter.
  7. Installation de mélange continu selon l'une des revendications 1 à 6, caractérisée en ce que le carter (5.3) du mélangeur horizontal (5) présente, dans ou sur l'ouverture d'admission de la suspension (5.3.1) une surface d'appui pour soutenir verticalement le rotor (4.1) de la pompe à vis excentrique (4), ou en ce qu'il est monté entre le mélangeur horizontal (5) et la pompe à vis excentrique (4) une plaque de support (4.2) qui présente une surface d'appui pour le rotor (4.1).
  8. Installation de mélange continu selon l'une des revendications 1 à 7, caractérisée en ce que, dans le carter (5.3) du mélangeur horizontal (5), on utilise un insert (4.4) qui présente l'ouverture d'admission de la suspension (5.3.1) et forme une surface d'appui pour supporter verticalement le carter de la pompe à vis excentrique (4).
  9. Installation de mélange continu selon l'une des revendications 1 à 8, caractérisée en ce que l'extrémité inférieure du rotor (4.1) rentre dans l'ouverture d'admission de la préparation (5.3.1), l'extrémité de préférence cylindrique reposant de façon excentrique par rapport à l'axe de rotation de l'outil de mélange vertical (3.1), et l'orbite de la zone périphérique la plus extérieure de l'extrémité du rotor (4.1) reposant sur ou à proximité du diamètre de l'ouverture d'admission de la suspension (5.3.1).
  10. Installation de mélange continu selon l'une des revendications 1 à 9, caractérisée en ce que le moteur (5.2), pour entraîner l'outil de mélange horizontal (5.1), est agencé sur l'extrémité avant du carter (5.3) et en ce que le carter (5.3) est réalisé sous la forme d'un cylindre creux fermé d'un côté, l'extrémité arrière du carter (5.3) étant au moins en grande partie ouverte.
  11. Installation de mélange continu selon l'une des revendications 1 à 10, caractérisée en ce que l'enveloppe du mélangeur horizontal (5) est formée d'un tube en plastique (13) qui est logé dans un boîtier (15) au moins au niveau de ses deux extrémités.
  12. Installation de mélange continu selon l'une des revendications 1 à 11, caractérisée en ce que l'outil de mélange horizontal rotatif (5.1) est composé d'un arbre auquel sont fixés des éléments de mélange élastiques (5.1.1, 14.1, 14.2).
  13. Installation de mélange continu selon l'une des revendications 1 à 12, caractérisée en ce qu'au moins un élément de mélange (5.1.1, 14.1, 14.2) est raccordé à l'arbre de l'outil de mélange horizontal (5.1) par le biais d'au moins deux branches espacées, lesquelles sont raccordées par une tige s'étendant parallèlement à l'arbre.
  14. Installation de mélange continu selon l'une des revendications 12 à 13, caractérisée en ce que l'intérieur de l'enveloppe du carter du mélangeur horizontal (5.3) est en contact sur toute sa longueur avec un ou plusieurs éléments de mélange (5.1.1, 14.1, 14.2).
  15. Procédé pour faire fonctionner une installation de mélange continu selon l'une des revendications 1 à 14, caractérisé en ce que
    - les solides et le liquide de gâchage sont prémélangés dans le mélangeur vertical (3) et pompés directement par une pompe à vis excentrique (4) comme suspension liquide dans l'extrémité avant d'un mélangeur horizontal (5),
    - en ce que de la mousse est pompée par un canon à mousse dans l'extrémité avant du mélangeur horizontal (5),
    - en ce que la suspension et la mousse sont amenés par le mélangeur horizontal (5) vers l'extrémité arrière de ce dernier ainsi que vers l'ouverture de sortie (5.3.3), l'effet de transport se faisant par le débit élevé de la mousse,
    - en ce que la mousse est incorporée à la suspension dans le mélangeur horizontal (5) par un outil de mélange horizontal (5.1).
EP15736167.6A 2014-05-20 2015-05-12 Installation de mélange continue pour la preparation d'une composition de coulis alvéolaire et procédé d'opération de ladite installation de mélange continue Active EP3145687B1 (fr)

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PL15736167T PL3145687T3 (pl) 2014-05-20 2015-05-12 Urządzenie do mieszania w trybie ciągłym do wytwarzania spienionej zawiesiny i sposób eksploatacji takiego urządzenia do mieszania w trybie ciągłym
SI201530414T SI3145687T1 (sl) 2014-05-20 2015-05-12 Pretočna mešalna naprava za izdelavo penjene brozge in postopek za delovanje take pretočne mešalne naprave
HRP20181562TT HRP20181562T1 (hr) 2014-05-20 2018-10-02 Uređaj za kontinuirano miješanje za proizvodnju pjenaste isplake i postupak za upravljanje takvim uređajem za kontinuirano miješanje

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ATA50360/2014A AT515881B1 (de) 2014-05-20 2014-05-20 Sequentielle Durchlaufmischanlage
PCT/AT2015/050118 WO2015176092A2 (fr) 2014-05-20 2015-05-12 Installation séquentielle de mélange continu

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EP3145687A2 EP3145687A2 (fr) 2017-03-29
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ES (1) ES2689310T3 (fr)
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HU (1) HUE039845T2 (fr)
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CN106166454A (zh) * 2016-07-21 2016-11-30 柳州合科技有限公司 一种多功能农药混合装置
CN106040080A (zh) * 2016-07-21 2016-10-26 柳州合科技有限公司 一种混合室防腐型农药混合装置
CN106669572B (zh) * 2016-12-21 2018-09-21 重庆德蒙特科技发展有限公司 一种反应釜
CN106881033A (zh) * 2017-05-03 2017-06-23 刘运华 一种电子配件点胶用胶水稀释设备
DE102017005798B3 (de) 2017-06-21 2018-09-13 Tracto-Technik Gmbh & Co. Kg Mischanlage und Verfahren zum Herstellen einer Bohrflüssigkeit für eine Erdbohrung sowie Verwendung beim Herstellen einer Bohrflüssigkeit für eine Erdbohrung
CN107263721A (zh) * 2017-08-14 2017-10-20 朱鸿杰 一种新型桥梁施工设备
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CN108221677A (zh) * 2017-08-16 2018-06-29 潘绍合 一种实用的桥梁装置
CN108890885A (zh) * 2018-05-30 2018-11-27 广东知识城运营服务有限公司 一种道路桥梁建设施工用混凝土混合设备
CN109012325A (zh) * 2018-08-27 2018-12-18 郑州莉迪亚医药科技有限公司 一种便于清洗的智能制药混合装置
CN109129894B (zh) * 2018-09-05 2020-10-27 佛山市南海第二建筑工程有限公司 一种建筑工程分级搅拌装置
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CN109849180A (zh) * 2019-01-11 2019-06-07 武汉理工大学 一种水泥搅拌机
CN110917924A (zh) * 2019-12-16 2020-03-27 肖文婷 一种用于化学发泡的混合装置
CN111359513A (zh) * 2019-12-29 2020-07-03 邢台职业技术学院 一种机械工程用高效混料机
CN111330488A (zh) * 2020-03-03 2020-06-26 湖南文理学院 一种基于医药化工实验用提取物原液的分析混合装置
CN111546490A (zh) * 2020-05-12 2020-08-18 靳森元 混凝土搅拌设备
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CN111660437A (zh) * 2020-06-27 2020-09-15 李彦红 一种混凝土搅拌机
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CN112354404A (zh) * 2020-10-23 2021-02-12 上海电机学院 一种复合材料的混合出料装置
CN112454661A (zh) * 2020-11-03 2021-03-09 杨星文 一种可快速凝固的特种混凝土生产装置及工艺
CN113318663A (zh) * 2021-07-13 2021-08-31 张源航 一种二氧化碳驱油用泡沫驱油制备装置
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WO2015176092A3 (fr) 2016-01-07
PL3145687T3 (pl) 2019-01-31
SI3145687T1 (sl) 2018-11-30
ES2689310T3 (es) 2018-11-13
WO2015176092A2 (fr) 2015-11-26
DK3145687T3 (da) 2018-10-29
AT515881B1 (de) 2020-01-15
AT515881A1 (de) 2015-12-15
LT3145687T (lt) 2018-10-10
HRP20181562T1 (hr) 2018-11-30
HUE039845T2 (hu) 2019-02-28
EP3145687A2 (fr) 2017-03-29

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