EP3840923A1 - Dispositif de production de matériaux de construction expansés - Google Patents

Dispositif de production de matériaux de construction expansés

Info

Publication number
EP3840923A1
EP3840923A1 EP19758705.8A EP19758705A EP3840923A1 EP 3840923 A1 EP3840923 A1 EP 3840923A1 EP 19758705 A EP19758705 A EP 19758705A EP 3840923 A1 EP3840923 A1 EP 3840923A1
Authority
EP
European Patent Office
Prior art keywords
gas
suspension
temperature
dispersion
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19758705.8A
Other languages
German (de)
English (en)
Other versions
EP3840923B1 (fr
EP3840923C0 (fr
Inventor
Holger Gawryck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP3840923A1 publication Critical patent/EP3840923A1/fr
Application granted granted Critical
Publication of EP3840923B1 publication Critical patent/EP3840923B1/fr
Publication of EP3840923C0 publication Critical patent/EP3840923C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B28C5/38—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means ; Producing cellular concrete
    • B28C5/381—Producing cellular concrete
    • B28C5/386—Plants; Systems; Methods
    • B28C5/388—Methods
    • 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
    • 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
    • B01F23/20—Mixing gases with liquids
    • B01F23/29—Mixing systems, i.e. flow charts or diagrams
    • B01F23/291—Mixing systems, i.e. flow charts or diagrams for obtaining foams or aerosols
    • 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
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/211—Measuring of the operational parameters
    • B01F35/2113—Pressure
    • 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
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/211—Measuring of the operational parameters
    • B01F35/2115—Temperature
    • 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
    • B01F35/20—Measuring; Control or regulation
    • B01F35/22—Control or regulation
    • B01F35/2201—Control or regulation characterised by the type of control technique used
    • B01F35/2202—Controlling the mixing process by feed-back, i.e. a measured parameter of the mixture is measured, compared with the set-value and the feed values are corrected
    • 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
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B01F35/82—Forming a predetermined ratio of the substances to be mixed by adding a material to be mixed to a mixture in response to a detected feature, e.g. density, radioactivity, consumed power or colour
    • 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
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
    • 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
    • B28C5/38—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means ; Producing cellular concrete
    • B28C5/381—Producing 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
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/02—Controlling the operation of the mixing
    • B28C7/022—Controlling the operation of the mixing by measuring the consistency or composition of the mixture, e.g. with supply of a missing component
    • B28C7/024—Controlling the operation of the mixing by measuring the consistency or composition of the mixture, e.g. with supply of a missing component by measuring properties of the mixture, e.g. moisture, electrical resistivity, density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/0404—Proportioning
    • B28C7/0418—Proportioning control systems therefor
    • 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
    • B28C9/002—Mixing systems, i.e. flow charts or diagrams; Making slurries; Involving methodical aspects; Involving pretreatment of ingredients; Involving packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/28—Mixing cement, mortar, clay, plaster or concrete ingredients

Definitions

  • the present invention relates to a device for producing foamed building materials, comprising a gas supply unit which is set up to supply gas to the device, a suspension supply unit which is set up to supply suspension to the device, and a mixing chamber which does so is set up to mix the gas supplied by the gas supply unit and the suspension supplied by the suspension supply unit to form a dispersion.
  • the inventor of the present invention has been developing and selling devices for producing foamed building materials for many years. It has been shown that a system which, for example, in the
  • the inventor's premises are set to customer-specific default values, deliver the desired result there, but can deliver a different result to a remote customer without the value inputs having been changed.
  • a similar problem can occur at one and the same installation location of the device, for example if the ambient conditions in a production hall and / or the storage conditions of the components to be mixed change.
  • a device of the type mentioned comprising a control and / or Control unit comprises, which has means for supplying values of a plurality of input parameters, on the basis of which at least a temperature of the dispersion and an air pressure in an environment of the device can be inferred, the control and / or
  • Control unit is also set up to influence at least one output parameter on the basis of the values of the input parameters supplied to it, by means of which the ratio of the volumes and / or masses and / or densities of gas and suspension supplied per unit of time can be set.
  • the inventor of the present invention has recognized that the result of the device for producing foamed building materials depends to a large extent on the volume flows and, to a lesser extent, on the mass flows.
  • the respective effects of a change are:
  • adjusting the supplied volumes for example using determined target volumes, which are converted into target values for a mass flow to be adjusted or target values of density the desired effect.
  • the inventor of the present invention recognized that a measurement of, for example, temperature and air pressure of the components to be mixed alone does not lead to maintaining the production result in the event of changing ambient conditions or Entry conditions leads.
  • the inventor has recognized that during the mixing of the components in the mixing chamber, an entry energy can be introduced into the component mixture (also called “dispersion”), which also depends on the ambient conditions or
  • Input conditions can be dependent and which was not observed in devices known from the prior art.
  • this invention is applicable to both continuous and discontinuous, for example clocked, devices
  • Gas metering can be continuous or discontinuous. “Mixing” in the mixing chamber can be done, for example, by blowing in, stirring, shaking, pouring, stirring, and / or releasing gas
  • the means can advantageously be set up to detect a temperature of the dispersion in a region in which the dispersion leaves the mixing chamber and / or in which the dispersion leaves a delivery unit connected to the mixing chamber. It should be mentioned directly at this point that the expression “in one area” should mean that the temperature of the dispersion right up to one after the components to be mixed have been mixed, that is to say still in the mixing chamber
  • Output of the mixing chamber can be detected, with both a detection still inside the mixing chamber and outside of the Mixing chamber is conceivable.
  • a detection still inside the mixing chamber and outside of the Mixing chamber is conceivable.
  • detection can only take place at one end of this
  • Conveyor unit are carried out, here again a detection is still conceivable within the conveyor unit and outside of the conveyor unit.
  • the device can further comprise a foam generation unit which is located upstream of the mixing chamber and which is set up to prevent the gas
  • the foam can then be mixed with the suspension to be mixed in the mixing chamber, as a result of which a foamed dispersion is formed.
  • the foam can be based on at least one of enzymes, surfactants or proteins.
  • the use of a foam generation unit ensures that gas and suspension are mixed uniformly and with a predefined size of the gas inclusions in the dispersion.
  • the mixing chamber can face an external environment
  • Mixing chamber must be sealed.
  • a “seal” in this sense means that only those to be mixed are placed in the mixing chamber
  • compositions for example, as mentioned above, suspension and gas or foam occur.
  • an inflow of ambient air into the mixing chamber as in the case of open chambers, can be prevented.
  • the mixing chamber can be formed at a point at which pipeline elements which convey the suspension or the gas / foam are brought together.
  • a stirring element which is arranged in the mixing chamber and is set up to mix the components to be mixed, can be set so that it leaves the material flow of the two components and / or the dispersion unchanged, that is to say has no effect on their volume flow ,
  • a plurality of parameters include at least one temperature sensor and / or an air pressure sensor.
  • the provision of sensors can automate the detection of a temperature and / or an air pressure.
  • a user of the device for producing foamed building materials had to manually, for example, take values based on which at least a temperature of the dispersion and / or an air pressure in the vicinity of the device could be determined
  • the control and / or regulating unit can now receive these values directly from the sensors.
  • providing a temperature sensor and / or an air pressure sensor may enable a direct detection of a temperature and / or an air pressure instead of using values based on a temperature and / or an
  • Air pressure can be inferred.
  • the device can further comprise at least one further temperature sensor which is set up to measure a temperature of the suspension supplied by the suspension supply unit and / or of the gas supplied by the gas supply unit and / or of the foam introduced into the mixing chamber by the foam generation unit capture.
  • at least one further temperature sensor which is set up to measure a temperature of the suspension supplied by the suspension supply unit and / or of the gas supplied by the gas supply unit and / or of the foam introduced into the mixing chamber by the foam generation unit capture.
  • the device can further comprise a storage unit which is operationally coupled to the control and / or regulating unit and which is set up to at least one value from a predetermined dispersion temperature and / or a predetermined gas temperature and / or output predetermined suspension temperature and / or a predetermined air pressure to the control and / or regulating unit.
  • the control and / or regulation unit can thus be provided with reference values, on the basis of which the control and / or regulation unit automatically regulates the device, for example the
  • Volume flow of one of the components to be mixed can perform.
  • the device can comprise at least one further pressure sensor, which is set up to detect a system pressure during a gas introduction and / or a pressure in a discharge space of the foamed dispersion.
  • system pressure during a gas introduction is to be understood as the pressure that prevails in the mixing chamber when the suspension is mixed with the gas or the foam.
  • pressure in a discharge space of the foamed dispersion is to be understood as a space into which the foamed dispersion leaves the device for producing foamed building materials, for example in order to cure there.
  • the discharge space can be sealed off or sealable from an environment surrounding the discharge space or with the surroundings in
  • the device can also have at least one mass flow sensor in particular comprise a calorimetric flow measuring device which is set up to record a mass flow of the supplied gas and / or a mass flow of the dispersion and / or a mass flow of the suspension and / or a mass flow of the supplied liquid and / or a mass flow of the supplied foam.
  • a volume flow of a corresponding medium can also be determined on the basis of a detected mass flow, for example in combination with a detected temperature and / or a known gas constant, so that a direct detection of a volume flow is not required.
  • the detection of a mass flow and the use of elements suitable for this purpose can have advantages with regard to an arrangement or a construction space of these elements in the device for producing foamed materials
  • the device can further comprise at least one volume flow sensor which is set up to provide a
  • the volume flow sensor can comprise one of an impeller sensor, a vortex flow measuring device, a variable area flow measuring device and a calorimetric one
  • the present invention relates to a method for producing foamed building materials, comprising the steps:
  • the method further comprises the steps of: detecting a temperature of the dispersion
  • Control unit based on the recorded temperature of the dispersion and the recorded ambient air pressure.
  • the method may further include the steps of:
  • the reference value indicates at least one of a temperature and / or a pressure and / or a volume flow of the dispersion and / or a temperature and / or a pressure and / or a
  • foamed building materials mentioned can provide a respective reference value, a regulation of the production process automatically on the basis of predefined and by the respective
  • a storage of parameters as such a reference value or a plurality of such reference values can also take place automatically, for example, in that a method or a device for producing foamed building materials is operated over a predefined period of time without corresponding input values being adapted. Furthermore, the input parameters last set, which were set before the device was switched off, can be stored as respective reference values.
  • Standard conditions are standardized. In order, for example, to be able to compare a value which has been established under first environmental conditions or input conditions with a value which has been established under second environmental conditions or input conditions different from the first, it may be necessary to use the first value and / or the second value towards predefined standard conditions
  • the standard conditions include a predefined temperature and a predefined absolute air pressure, to which the respective values are to be standardized.
  • Figure 1 shows a schematic structure of a first embodiment
  • FIG. 1 shows a device according to the invention for producing foamed building materials
  • Figure 2 shows a schematic structure of a second embodiment of a device according to the invention for producing foamed building materials.
  • the device for producing foamed building materials which is shown schematically in FIG. 1, is generally designated by reference number 10
  • a gas such as compressed air
  • a metering device follows the gas inlet 12 14, for example a valve via which the amount of gas supplied can be regulated.
  • the gas then flows through a measuring device 16, which is set up here to detect a volume flow Q of the gas.
  • the measuring device 16 and then the metering device 14 could also be flowed through first.
  • the gas then passes into a mixing chamber 18.
  • a suspension is fed into the device 10.
  • the suspension is conveyed into the device 10 using a metering pump 22. After the metering pump 22
  • Suspension is conveyed into the mixing chamber 18 via a measuring device 24, which is set up to record a volume flow Q of the suspension and optionally a density p of the suspension.
  • the measuring device 24 could also be arranged in front of the metering pump 22 here.
  • the device 10 further comprises a foaming agent input 26, at which a foaming agent is fed into the device 10.
  • the foaming agent also first passes through a metering device 28, such as a control valve, and
  • a measuring device 30 which is set up to record a volume flow Q of the foaming agent.
  • the foaming agent is then also introduced into the mixing chamber 18.
  • a mixing element Arranged in the mixing chamber 18 is a mixing element, not shown, which can be set up to produce a foam from the foaming agent and the gas, and also to produce a dispersion from the foaming agent / gas or foam and suspension.
  • the dispersion leaves the mixing chamber 18 at an outlet 32 of the mixing chamber 18, wherein a temperature measuring device 34 is set up to
  • the dispersion which is formed, for example, as a mineral foam, depends on
  • the dispersion of course also having a density p and a volume flow Q.
  • the measured values detected by the measuring devices 16, 24, 30, 34 are output to a control and / or regulating unit 36. Furthermore, an air pressure measuring device 38 detects an air pressure P, which is present in an environment of the device 10, and outputs it to the control and / or regulating unit 36. The control and / or regulating unit 36 can then, for example on the basis of
  • Reference values that is to say, for example, setpoints with respect to the density p of the dispersion, the density p of the foam, a volume flow Q of the dispersion and / or a concentration C of the foaming agent, which is measured, for example, in percent or in kilograms per cubic meter, a regulation of each Carry out metering device 14, 22, 28 in order to bring an actual result closer to a target result.
  • the reference values can be stored in a memory unit 40 which is operationally connected to the control and / or regulating unit 36.
  • the device 110 is essentially based on the device 10 according to FIG. 1. For this reason, the device 10 is similar Components of the device 110 are provided with the same reference numerals, but increased by 100. At this point it should be explicitly mentioned that all features and advantages of the device 10 can also be applied to the device 110 and vice versa. Accordingly, only the differences between the device 110 and the device 10 will be described below.
  • the device 110 further comprises a water inlet 142, via which water is fed into the device 110. That into device 110
  • the water fed in passes through a corresponding metering device 144 and a measuring device 146, which is set up to carry out a
  • volume flow Q of the water to be recorded The water, together with the foaming agent and the gas (see description of the device 10), enters a foam generator 148 in which the water, the
  • Foaming agent and the gas to be mixed into a foam are Foaming agent and the gas to be mixed into a foam.
  • the foam generated in the foam generator 148 is then fed into a mixing chamber 118.
  • Device 110 separated from one another a mixed water inlet 150, a binder inlet 152, an aggregate inlet 154 and one
  • Binder inlet 152 fed into the device 110 passes through a dosing device for binder 160, which over the
  • Aggregates pass through a metering device for additives 162 and the additives fed into the device 110 via the additive inlet 156 pass through a metering device for additives 164.
  • the mixed water, the binder, the additives and the additives then enter a suspension mixer 166 which is set up to produce a suspension from the mixed water, the binder, the additives and the additives.
  • Suspension mixer 166 can comprise at least one weighing device 168, which is set up to measure a mass m of the mixed water and / or a mass m of the binder and / or a mass m of the
  • Weighing device 168 can forward the detected values to a control and / or regulating unit 170 of the suspension mixer 166, which, for example, has setpoints for the mass m of the mixed water and / or the mass m of the binder and / or the mass m of the
  • Additives and / or the mass m of the additives are present, on the basis of which the metering devices 158, 160, 162, 164 can be activated in order to adjust the recorded actual values to the stored target values.
  • the suspension produced in the suspension mixer 166 enters a buffer container 172 in which the suspension produced
  • the suspension is then conveyed into the mixing chamber 118 via a metering pump 122, as known from the device 10, via a measuring device 124, also known from the device 10.
  • a metering pump 122 as known from the device 10
  • a measuring device 124 also known from the device 10.
  • the foam with the suspension becomes analogous to the description
  • Device 10 has a control and / or regulating unit 136 of device 110 additionally a volume flow Q of the
  • Water inlet 142 as water fed into device 110 Input variable on. Accordingly, the control and / or
  • Control unit 136 is also set up to regulate the metering device 144 for the water to be fed into the device 110 and thus the amount of the water fed into the device 110.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Accessories For Mixers (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

L'invention concerne un dispositif (110) destiné à produire des matériaux de construction expansés, comprenant une unité de fourniture de gaz (112), une unité de fourniture de suspension (150 - 156) et une chambre de mélange (118), le dispositif (110) comprenant en outre une unité de commande et/ou de réglage (136), qui présente des moyens (116, 124, 130, 134, 146) destinés à fournir des valeurs d'une pluralité de paramètres d'entrée, sur la base desquelles peuvent être déduites au moins une température de la dispersion et une pression de l'air dans l'environnement du dispositif (110), l'unité de commande et/ou de réglage (136) étant en outre conçue pour influer au moins sur un paramètre de sortie, au moyen duquel peut être réglé le rapport des volumes et/ou masses et/ou densités fournis par unité de temps du gaz et de la suspension. L'invention concerne en outre un procédé correspondant.
EP19758705.8A 2018-08-23 2019-08-22 Dispositif de production de matériaux de construction expansés Active EP3840923B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018214262.9A DE102018214262A1 (de) 2018-08-23 2018-08-23 Vorrichtung zum Erzeugen von geschäumten Baustoffen
PCT/EP2019/072442 WO2020039021A1 (fr) 2018-08-23 2019-08-22 Dispositif de production de matériaux de construction expansés

Publications (3)

Publication Number Publication Date
EP3840923A1 true EP3840923A1 (fr) 2021-06-30
EP3840923B1 EP3840923B1 (fr) 2023-06-28
EP3840923C0 EP3840923C0 (fr) 2023-06-28

Family

ID=67742421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19758705.8A Active EP3840923B1 (fr) 2018-08-23 2019-08-22 Dispositif de production de matériaux de construction expansés

Country Status (9)

Country Link
US (1) US20210213641A1 (fr)
EP (1) EP3840923B1 (fr)
CN (1) CN112638607B (fr)
AU (1) AU2019323687A1 (fr)
CA (1) CA3110307A1 (fr)
DE (1) DE102018214262A1 (fr)
ES (1) ES2953018T3 (fr)
PL (1) PL3840923T3 (fr)
WO (1) WO2020039021A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN113927743A (zh) * 2021-10-27 2022-01-14 厦门理工学院 一种泡沫混凝土制备方法及系统

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DE102013217149A1 (de) * 2013-08-28 2015-03-05 Kuchenmeister Gmbh Verfahren und Vorrichtung zur Prozesssteuerung einer Anlage zur kontinuierlichen Herstellung von Schäumen
DE102013224786B3 (de) * 2013-12-03 2015-03-12 Wmf Ag Milchaufschäumvorrichtung mit dynamischer Mischeinheit und Getränkebereiter enthaltend dieselbe
US20150283523A1 (en) * 2014-04-03 2015-10-08 Waterous Company Compressed air foam generation
CN106313324B (zh) * 2015-06-16 2018-08-21 中国石油化工股份有限公司 一种用于制备泡沫水泥浆的装置
US10583581B2 (en) * 2015-09-21 2020-03-10 Flashfill Services, Llc Volumetric mobile powder mixer
CN107664034B (zh) * 2016-07-29 2020-09-15 上海力行工程技术发展有限公司 一种盾构用泡沫空气多段调节装置

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WO2020039021A1 (fr) 2020-02-27
CN112638607B (zh) 2022-10-18
EP3840923B1 (fr) 2023-06-28
CA3110307A1 (fr) 2020-02-27
ES2953018T3 (es) 2023-11-07
US20210213641A1 (en) 2021-07-15
AU2019323687A1 (en) 2021-03-11
PL3840923T3 (pl) 2023-10-09
DE102018214262A1 (de) 2020-02-27
CN112638607A (zh) 2021-04-09
EP3840923C0 (fr) 2023-06-28

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