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WO2014074078A1 - Mélangeur de matériau en poudre superfin comprenant de multiples ailes courbes - Google Patents

Mélangeur de matériau en poudre superfin comprenant de multiples ailes courbes Download PDF

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Publication number
WO2014074078A1
WO2014074078A1 PCT/TR2012/000183 TR2012000183W WO2014074078A1 WO 2014074078 A1 WO2014074078 A1 WO 2014074078A1 TR 2012000183 W TR2012000183 W TR 2012000183W WO 2014074078 A1 WO2014074078 A1 WO 2014074078A1
Authority
WO
WIPO (PCT)
Prior art keywords
wings
concrete
super
mixer
curve
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.)
Ceased
Application number
PCT/TR2012/000183
Other languages
English (en)
Inventor
Fikret KOCA
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.)
KOCA INSAAT SANAYI VE IHRACAT AS
Original Assignee
KOCA INSAAT SANAYI VE IHRACAT AS
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 KOCA INSAAT SANAYI VE IHRACAT AS filed Critical KOCA INSAAT SANAYI VE IHRACAT AS
Priority to PCT/TR2012/000183 priority Critical patent/WO2014074078A1/fr
Publication of WO2014074078A1 publication Critical patent/WO2014074078A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B28C5/08—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
    • 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
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • 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
    • B01F27/81—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers having central axial inflow and substantially radial outflow
    • B01F27/811—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers having central axial inflow and substantially radial outflow with the inflow from one side only, e.g. stirrers placed on the bottom of the receptacle, or used as a bottom discharge pump

Definitions

  • the technical field that the present invention is related to is a super-fine powder material mixer unit, wherein the said powder material is a super-fine material such as fly ashes and micro silica used in the concrete centrals where the readily-made concrete is produced to be used as the construction material in the construction industry.
  • the super-fine powder material mixer unit the super-fine products such as micro silica and fly ashes etc. that are added into the concrete raw-material so as to increase the resistance and continuity of the concrete, to facilitate the processing, and to decrease the ratio of water/cement in order to produce a high-quality concrete are mixed in a homogeneous manner.
  • the present invention especially relates to a new mixer wing which has been developed to provide a better dissolution of the super-fine materials such as micro silica and the fly ashes etc. used in the readily-made concrete facilities and also to make the mixture assume the desired thickness.
  • the readily-made concrete is the most commonly-used construction material.
  • the readily-made concrete is a kind of construction material delivered as a "fresh concrete" to the consumers, which has been created by homogenously mixing the aggregate (thin and rough aggregate) cement and the water by adding or not adding chemicals or mineral additives in a manner suitable to its production technology, which is firstly in a plastic state and can be shaped and then assume resistance after getting hardened in time.
  • the absolute volume of the concrete is comprised of 70% aggregate (sand, gravel, stone chips), 10% cement, and 20% water. When required, additives can be included on condition that the cement weight is not over 5%.
  • the facilities where the readily-made compounds are stored, mixed under control, produced and filled into the transmixers are called as "concrete centrals".
  • the concrete centrals are divided into two as “wet and dry mixture” depending on their type of mixing, and as “hopper” and “star type” depending on their storing types.
  • the production process of the readily-made concrete starts when the central operator determines the number of the formula designating the concrete which will be produced and operates the computer system. Following the first command, the aggregate, cement and the water which have been stored in different divisions are weighed at the same time. Later on, the weighed aggregate is transferred into the mixer boiler (mixing unit) by being carried on the bands or with buckets. In the meantime, the cement, water and the chemical additive (if available in the formula) are transferred into the boiler as well, and mixed. At the same time, the super-fine materials such as micro silica, fly ashes and the thinly-granulated pozzolans (if any) are transferred into the mixer.
  • the mixer boiler mixing unit
  • the cement, water and the chemical additive if available in the formula
  • the volume of a blend concrete can change depending on the central, but it is generally of 1 - 3 m 3 .
  • the mixing duration in the central has been determined by the standards in accordance with the blend volume.
  • the blend which has not been mixed enough is poured into the transmixer, and the same process continues until the filling process is completed.
  • various additives are added into the raw material of the concrete which increase the strength and continuity of the concrete, make the processing easier, and decrease the water/cement ratio.
  • the fly ash used in the current concrete production techniques causes some difficulties in the production as the super-fine materials such as high oven dross which is grinded 5000 blaine and more and the pozzolan cannot be dosed and a good mixture cannot be provided, and also it lowers the quality of the concrete because of the earthing during the reaction with water.
  • the super-fine material mixer has been designed.
  • the mixers blending the super-fine materials with water have two mixer wings, and the mixing process needs to be continued for long periods of time in order for the mixture to be homogeneous to the desired extent.
  • the mixers according to the state of the art cannot provide the water with a swirling movement, in some cases the desired extent of homogeneity cannot be provided no matter how much the materials inside the mixing unit are mixed, and therefore waste of labour-force and time is experienced.
  • the static electrification in the super-fine materials when the material is put into the water, it may assume a lumpy structure, and in the case that this lumpy structure does not turn into a straight structure, the concrete may get poor partially, which in turn negatively effects the concrete resistance.
  • the present invention relates to a super-fine material mixer comprising multiple curve wings, meeting the requirements mentioned above, eliminating all the disadvantages and providing some additional advantages.
  • the primary object of the present invention is to mix the concrete raw material (aggregate, cement, water, etc.) taken into the readily-made concrete facility mixing unit with the super-fine products such as micro silica, fly ash added into the concrete raw material in a homogeneous manner.
  • Another object of the present invention is to obtain the homogeneous mixture required for a high-quality concrete production in a shorter period of time.
  • a further object of the present invention is to feed the said super-fine materials by mixing it with water as they cannot be fed to the readily-made concrete facility by means of helix as a result of the static electrifications.
  • a further object of the present invention is to produce high-quality concrete by means of a great extent of homogeneity obtained while mixing the concrete raw material and by preventing the super-fine additives mixed into the concrete from getting lumpy.
  • a further object of the present invention is to increase the production capacity of the concrete central by performing the mixing process in shorter periods of time.
  • a further object of the present invention is to prevent the harms for human health by manually feeding the said super-fine materials to the readily-made concrete facility.
  • the present invention relates to a new mixer embodiment which is located inside the mixing chamber of the additional mixing unit in the concrete centrals where the readily-made concrete used as a construction material in the construction industry is used, which mixes the super-fine materials such as micro silica and fly ashes added into the concrete raw materia! by rotating with the force that it gets from a drive element, and which transfers it to the central in desired dosage, characterized in comprising;
  • Fig. 1 is the schematic view of a mixing unit comprising a super-fine material mixer having multiple curve wings.
  • Fig. 2 is the three-dimensional view of the installation steps of the super-fine material mixer comprising multiple curve wings according to the present invention.
  • Fig. 3 is the three-dimensional view of the super-fine material mixer comprising multiple curve wings according to the present invention.
  • Fig. 4 is the three-dimensional view of the multiple curve wing embodiment of the super-fine material mixer according to the present invention.
  • the present invention is a new embodiment of the mixer (10) which mixes the superfine materials with the force that it gets from the drive element (6) inside the superfine material mixing unit (20) located in the concrete centrals where the readily-made concretes that are used as the construction material in the construction industry are used.
  • FIG 1 a schematic view of an exemplary super-fine material mixing unit (20) is shown.
  • the mixing unit (20) in which super-fine materials are mixed comprises;
  • An inlet line (2) providing connection between the mixer (10) and the concrete central
  • a reducer (5) located between the said drive element (6) and the mixer (10), providing the mixer (10) to move in desired cycle by adjusting the mixing speed
  • a water counter (7) controlling the amount of water depending on the amount of material that is being processed inside the mixing unit (20) and adding water when desired
  • the innovation according to the present invention is a new mixer (10) and wing embodiment which has been developed to provide the super-fine materials (13) such as micro silica and fly ash used in readily-made concrete facilities to be dissolved better in the water and to make the mixture assume a desired thickness in a shorter period of time.
  • the three-dimensional view of the mixer (10) comprising multiple curve wings (10.2) is shown.
  • the super-fine powder material mixer (10) is located at the bottom part of the chamber (17) which is filled with water and superfine material in the mixing unit (20), and it mixes the material inside the chamber (17) after it has been driven by an engine (6) that is connected to it.
  • Wings (10.2) are installed on the cylindrical side surface of the connector shaft
  • the wings (10.2) installed on the connector part with certain intervals and in a multiple manner are of curved form.
  • the curve wings (10.2) put in order on the connector part (10.1) form a "S" shape from one end to another, and in general a propeller form ( Figure 4).
  • a bottom surface (10.3) in the shape of a circular plate is located on the bottom part of the structure composed of a connector part (10.1) and the curve wings (10.2); and an upper surface (10.3) again in a circular form is located on the upper part. Therefore, the connector part (10.1) and the curve wings (10.2) are coated from the bottom and upper parts.
  • the wings (10.2) rotate between the said bottom and upper surface (10.3, 10.4).
  • holes (10.5) are created with certain intervals.
  • the three- dimensional view of the installation steps of the mixer (10) comprising curve wings
  • the curve wings (10.2) as shown in Figure 2 have an approximate R value of 15 cm and L value of 14 cm.
  • the process of producing the super-fine material by means of the mixing unit (20) providing the 5000 blaine and over super-fine materials (13) such as micro silica and fly ash to be used as the construction material in the construction industry to be mixed homogeneously with water is as follows: Approximately 1000 It of water is fed into the chamber (17). The amount of fed water is measured with a water counter (7). Approximately 350 kg of super-fine powder material is fed into the chamber (17) through the additive inlet hole (4) on the cap (18).
  • the mixer (10) is operated and the super-fine material is dissolved totally in water in 3-5 minutes.
  • a 3-5-minute mixing is performed in every 10 minutes.
  • a time relay is attached to the mixer engine (6).
  • the amount to be used in each mixing blend is determined by a computer automation system and it is transferred to the water weighing machine of the facility by means of the pump (1 ).
  • the mixer (10) plays an efficient role during the production.
  • the mixer (10) inside the chamber (17) is driven by the engine (6); thus, the connector part (10.1 ) in the center and the surrounding wings (10.2) are allowed to be rotated.
  • the material between the wing gaps (10.2.C) collides to the convex surface (10.2.b) of the wing (10.2) and is dashed outside.
  • the material dashed outside increases the pressure inside the chamber (17), while the pressure value between the wings (10.2.c) decreases.
  • the material located at the bottom part of the mixer ( 0) moves immediately upwards through the holes (10.5) on the bottom surface (10.3), and fills in the gaps between the wings (10.2.C) again.
  • the upper surface (10.4) located on the upper part of the mixer (10) blocks the material coming from above, and therefore the material dashed outside from the wings (10.2) is filled into the gap (10.2.c) between the wings (10.2) through the bottom surface (10.3) of the mixer, thereby creating a turbulence inside the chamber (17).
  • the wing (10.2) is of curved form and designed in a multiple manner has made it possible to perform the mixing process much more effectively, because before the material inside the wing gap (10.2.C) puts so much pressure on the convex surface (10.2.b) of the wing, it is dashed outside with the effect of rotational movement and the curved form.
  • the engine (6) it is possible to make the engine (6) to rotate the impeller formed of wings (10.2) quickly but without any difficulty. Thanks to the turbulence effect created inside the chamber (17), it is provided to mix the material in a much shorter period of time without letting the super-fine material to get lumpy.
  • the present invention is also used in the process of mixing the thin structures such as cement-water, plaster-water in water in a shorter period of time and in desired homogeneity.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

La présente invention concerne un nouveau mode de réalisation de mélangeur qui est situé à l'intérieur d'une chambre de mélange (17) d'une unité de mélange supplémentaire (20) dans des centrales de béton dans lesquelles du béton facilement réalisé utilisé comme matériau de construction dans l'industrie de la construction est utilisé, qui mélange des matériaux superfins comme de la silice micronisée et des cendres volantes ajoutés dans la matière première de béton par rotation à l'aide d'une force issue d'un élément d'entraînement (6), et qui transfère ceux-ci dans la centrale selon un dosage souhaité, caractérisé en ce qu'il comprend de multiples ailes (10.2) de forme courbe s'étendant depuis la partie d'installation (10.1) au niveau du centre, une surface supérieure (10.4) recouvrant la partie supérieure de la partie de raccordement (10.1) au niveau du centre et des ailes courbes (10.2), une surface inférieure (10.3) recouvrant la partie inférieure de la partie de raccordement (10.1) au niveau du centre et des ailes courbes (10.2), des trous (10.5) créés pour permettre le passage du matériau dans des espaces (10.2.c) entre les ailes (10.2) sur la surface inférieure (10.3) et une surface convexe (10.2.b) permettant de précipiter facilement le matériau présent dans les espaces entre les ailes (10.2.c) vers l'extérieur pendant le processus de mélange.
PCT/TR2012/000183 2012-11-09 2012-11-09 Mélangeur de matériau en poudre superfin comprenant de multiples ailes courbes Ceased WO2014074078A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/TR2012/000183 WO2014074078A1 (fr) 2012-11-09 2012-11-09 Mélangeur de matériau en poudre superfin comprenant de multiples ailes courbes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2012/000183 WO2014074078A1 (fr) 2012-11-09 2012-11-09 Mélangeur de matériau en poudre superfin comprenant de multiples ailes courbes

Publications (1)

Publication Number Publication Date
WO2014074078A1 true WO2014074078A1 (fr) 2014-05-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2012/000183 Ceased WO2014074078A1 (fr) 2012-11-09 2012-11-09 Mélangeur de matériau en poudre superfin comprenant de multiples ailes courbes

Country Status (1)

Country Link
WO (1) WO2014074078A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108527651A (zh) * 2018-05-29 2018-09-14 江苏力连重工机械有限公司 一种自洁混凝土搅拌机
CN108527652A (zh) * 2018-05-30 2018-09-14 江苏力连重工机械有限公司 一种便于移动的混凝土搅拌机

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1542357A1 (de) * 1951-01-28 1972-02-17 Oestberg Jan Erik Anordnung zur Ausbildung einer Stroemung in der Reaktionszone zwischen zwei in einem Behaelter befindlichen Fluessigkeiten von verschiedenem spezifischem Gewicht
DE2132470A1 (de) * 1971-06-30 1973-01-11 Rheinhuette Vorm Beck & Co Verfahren und vorrichtung zur herstellung von zementleim
WO2011098674A1 (fr) * 2010-02-12 2011-08-18 Outotec Oyj Rotor et dispositif de type turbine
US20110203995A1 (en) * 2010-02-12 2011-08-25 Jonas Persson Device for performing a chemical transformation in fluidic media
EP2364770A1 (fr) * 2010-03-11 2011-09-14 TEKA Maschinenbau GmbH Outil pour dispositif de mélange
US20120275260A1 (en) * 2009-12-14 2012-11-01 Haas Food Equipment Gmbh Mixing apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1542357A1 (de) * 1951-01-28 1972-02-17 Oestberg Jan Erik Anordnung zur Ausbildung einer Stroemung in der Reaktionszone zwischen zwei in einem Behaelter befindlichen Fluessigkeiten von verschiedenem spezifischem Gewicht
DE2132470A1 (de) * 1971-06-30 1973-01-11 Rheinhuette Vorm Beck & Co Verfahren und vorrichtung zur herstellung von zementleim
US20120275260A1 (en) * 2009-12-14 2012-11-01 Haas Food Equipment Gmbh Mixing apparatus
WO2011098674A1 (fr) * 2010-02-12 2011-08-18 Outotec Oyj Rotor et dispositif de type turbine
US20110203995A1 (en) * 2010-02-12 2011-08-25 Jonas Persson Device for performing a chemical transformation in fluidic media
EP2364770A1 (fr) * 2010-03-11 2011-09-14 TEKA Maschinenbau GmbH Outil pour dispositif de mélange

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108527651A (zh) * 2018-05-29 2018-09-14 江苏力连重工机械有限公司 一种自洁混凝土搅拌机
CN108527652A (zh) * 2018-05-30 2018-09-14 江苏力连重工机械有限公司 一种便于移动的混凝土搅拌机

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