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WO2010106009A1 - Dispositif de traitement thermique, notamment de thermolyse de mélanges d'huile usagée - Google Patents

Dispositif de traitement thermique, notamment de thermolyse de mélanges d'huile usagée Download PDF

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Publication number
WO2010106009A1
WO2010106009A1 PCT/EP2010/053262 EP2010053262W WO2010106009A1 WO 2010106009 A1 WO2010106009 A1 WO 2010106009A1 EP 2010053262 W EP2010053262 W EP 2010053262W WO 2010106009 A1 WO2010106009 A1 WO 2010106009A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
waste oil
tools
oil mixture
stirring
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/EP2010/053262
Other languages
German (de)
English (en)
Inventor
Werner Anlauf
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.)
VIT ENVIRONMENTSYSTEMS AG
Original Assignee
VIT ENVIRONMENTSYSTEMS AG
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 VIT ENVIRONMENTSYSTEMS AG filed Critical VIT ENVIRONMENTSYSTEMS AG
Publication of WO2010106009A1 publication Critical patent/WO2010106009A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
    • 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
    • B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
    • B01F27/1141—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections having holes in the surface
    • 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
    • B01F27/92—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws
    • B01F27/922—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws with two or more helices, e.g. with intermeshing helices
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/02—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00027—Process aspects
    • B01J2219/0004—Processes in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00132—Controlling the temperature using electric heating or cooling elements
    • B01J2219/00135—Electric resistance heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00182—Controlling or regulating processes controlling the level of reactants in the reactor vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/185—Details relating to the spatial orientation of the reactor vertical

Definitions

  • the invention relates to a device for thermal treatment, in particular thermolysis of waste oil mixtures or of waste oil miscible, recyclable fatty wastes and residues in liquid or pasty state as well as shredded plastics of the polyolefin type.
  • the waste oil to be processed is heated until individual fractions evaporate.
  • the waste oil is worked up hitzt ER successively in two or three steps at 150 0 C, about 380 0 C and about 550 0 C.
  • the fractions passing into the gas phase are subsequently condensed, so that recycling products are formed which can be reused.
  • thermolysis For an energy-optimized and with regard to their throughput and efficiency efficient thermolysis, among other things, it is necessary that the heated mixture has no appreciable temperature gradient This in turn requires homogeneous mixing of the mixture to be treated in a reactor or housing.
  • the object of the invention is to provide an improved apparatus for thermal treatment, in particular thermolysis of waste oil mixture.
  • the invention provides a device for thermal treatment, in particular Thermoiyse of waste oil mixtures or miscible with waste oil, recyclable recyclables or waste materials, asphalts, tars or oily and greasy wastes and residues in the liquid or pasty state and of shredded plastics of the polyolefin type, proposed, wherein the device is provided with a heatable container for receiving the waste oil mixture up to a predetermined full height and with a bottom and with a gas cavities and a lid above the filling level, wherein the container has an inlet for a waste oil mixture to be thermally treated and a gas outlet for gas phase fractions of the waste oil mixture, at least two in the use of the container container arranged vertically rotatably mounted Ruhrtechnikmaschinen, each of which a shaft with a helical coil wherein the coils of adjacent agitating tools partially engage and are arranged in the container such that their coils extend from the bottom of the container to beyond the filling level, the container having a peripheral wall with a substantially outer
  • surprisingly good mixing conditions are achieved in a container when the container with at least two upright agitators is provided, each having a Weüe with a helical spiral extending around the shaft.
  • This stirring tool arrangement is surrounded by a container whose container wall follows on its inside the outer contour of the arrangement of the stirring tools.
  • the container can be heated and filled with used oil mixture up to a predefinable filling level.
  • the spirals of the stirring tools preferably project beyond the filling level.
  • Upon rotation of the Wendein these transport the liquid waste oil mixture in the container preferably to form a flow, which expediently runs in a circle.
  • the protruding from the waste oil mixture sections of the coils add to an increase in surface area, which is advantageous in terms of the transition of individual fractions of the waste oil mixture in the gas phase.
  • the spirals of the Ruhr tools partly engage in one another, so that flows between the phases of the mixtures resulting in a mixture of waste oil mixture also result.
  • the helices of the stirring tools have perforations that can be formed the same or different sizes. These perforations cause further turbulence in the rotation of the stirring tools, which contributes to the improvement of the flow.
  • the helices of the stirring tools can also have a turbulence-generating surface structure.
  • the stirring tools can be driven in such a way and / or the spirals of the stirring tools run in such a way that the spirals rotate in the same direction or in opposite directions upon rotation of the shafts of the stirring tools.
  • the pitch of the helices of the stirring tools are the same or different than the pitch of the helix of a stirring tool to one integer multiple is greater than the pitch of the helix of the other stirring tool.
  • the waves of the stirring tools are suspended from the ceiling of the container and guided on the ground to prevent lateral movements.
  • the container to temperatures between 100 0 C and 600 0 C, in particular to about 150 0 C, 380 0 C or 550 0 C is heatable.
  • the inlet opens above or below the full height in the container.
  • At least two containers are arranged in series one behind the other and in fluid communication with each other, wherein a first of two adjacent containers connected in series performs a run for the further thermal treatment next, second container to be supplied waste oil mixture and wherein the outlet of the respective first container is connected to the inlet of the respective second, second container by a connecting pipe
  • FIG. 1 is a perspective view of a reactor for the treatment of waste oil
  • 2 shows a section along the line H-II of FIG. 1 through the drive unit for the stirring tools of the reactor,
  • FIG. 1 is a perspective view of a reactor for the treatment of waste oil
  • FIG. 4 shows a side view, partially broken away, of the reactor according to FIG. 1.
  • Fig. 1 shows in perspective from above a reactor 10 for thermal treatment, in particular thermolysis of waste oil mixtures.
  • the reactor 10 has a heatable container 12 for receiving the waste oil mixture to be treated, in which two agitators 14 (see also FIGS. 3 and 4) are arranged vertically.
  • Each Ruhrwerk 14 has a rotatably drivable shaft 16, which of a helical turn! 18 is surrounded.
  • the helices 18 of both agitating tools 14 overlap one another, i. partially protrude into each other.
  • the container 12 has a lid or a top wall 20 and a bottom wall 22, which comprises two adjacent funnel-shaped regions 24, in which the lower ends 26 of the two coils 18 dip.
  • the filling level of the waste oil mixture within the container 12 is shown at 38. Above the filling level 38 is located in the wall of the container, an outlet opening as a gas outlet 40 for the transferred to the gas phase fractions of the waste oil mixture.
  • the container 12 in this exemplary embodiment, two feeds 42,44 for reprocessed waste oil mixture, which is preferably introduced preheated in the container 12. One of both Inlets are arranged below the feet height 38, while the other inlet 42 is above the full height 38.
  • At the bottom end of the container 12 is another outlet 46, which serves to drain the still after a thermal treatment in the container 12 Aitöl- mixture. This waste oil mixture can then be transferred to another reactor in which the Aitöl mixture is heated to a different (namely higher) temperature in order to convert further fractions in the gas phase.
  • Several (at least two) of the above-described reactors may be connected in series, with the outlet 46 of one reactor being connected to one of the inlets 42, 44 of the other reactor through a connection line. If necessary, a filter unit can also be located in this connection line.
  • the coils 18 have perforations in the form of holes 48. These holes can be aligned with one another as viewed from turn to turn; but they can also be offset from each other and in particular be arranged arbitrarily. In particular, it is not necessary that the holes 48 are the same size. Conveniently, the holes are different in size * They serve as the rotation of the coils of the swirling of the waste oil mixture in the container 12 with the aim of a homogeneous and intensive mixing, which ensures that the waste oil mixture considered over the entire volume approximately equal having high temperature, the temperature gradient within the container 12 is thus as low as possible.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne un dispositif de traitement thermique, notamment de thermolyse de mélanges d'huile usagée ou de ressources ou déchets recyclables miscibles avec l'huile usagée, d'asphaltes, de goudrons ou de déchets et résidus contenant de l'huile ou de la graisse à l'état liquide ou pâteux, ainsi que de plastiques déchiquetés de type polyoléfine. Le dispositif selon l'invention est muni d'un contenant chauffant (12) destiné à recevoir le mélange d'huile usagée jusqu'à une hauteur de remplissage réglable (38) et d'un fond, ainsi que d'un espace de gaz et d'un couvercle au-dessus de la hauteur de remplissage (38), le contenant (12) comportant une conduite d'alimentation pour un mélange d'huile usagée à traiter thermiquement et une sortie de gaz (40) pour les fractions du mélange d'huile usagée transférées en phase gazeuse. Le dispositif comporte également au moins deux outils d'agitation (14) montés à rotation, disposés perpendiculairement à l'état de fonctionnement du contenant (12) dans celui-ci, chacun d'entre eux comportant un arbre (16) muni d'une hélice hélicoïdale (18). Les hélices (18) d'outils d'agitation voisins (14) s'imbriquent partiellement l'une dans l'autre et sont placées dans le contenant (12) de manière à ce que leurs hélices (18) s'étendent du fond du contenant (12) jusqu'au-dessus de la hauteur de remplissage (38), le contenant (12) comportant une paroi périphérique dont le côté interne incurvé suit essentiellement le contour externe de l'agencement des hélices (18) des outils d'agitation (14). Le dispositif comporte également une unité d'entraînement pour l'entraînement rotatif des arbres (16) des outils d'agitation (14).
PCT/EP2010/053262 2009-03-16 2010-03-15 Dispositif de traitement thermique, notamment de thermolyse de mélanges d'huile usagée Ceased WO2010106009A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009013023 2009-03-16
DE102009013023.3 2009-03-16

Publications (1)

Publication Number Publication Date
WO2010106009A1 true WO2010106009A1 (fr) 2010-09-23

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PCT/EP2010/053262 Ceased WO2010106009A1 (fr) 2009-03-16 2010-03-15 Dispositif de traitement thermique, notamment de thermolyse de mélanges d'huile usagée

Country Status (1)

Country Link
WO (1) WO2010106009A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104353389A (zh) * 2014-10-16 2015-02-18 浙江联合颜料有限公司 一种用于氧化铁颜料的搅拌装置
WO2015074676A1 (fr) * 2013-11-25 2015-05-28 Technofond Dispositif de régénération

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3433336A1 (de) 1983-09-21 1985-03-28 Buss Ag, Basel Verfahren und vorrichtung zur wiederaufbereitung von altoel
JPH0258503A (ja) * 1988-08-24 1990-02-27 Hitachi Ltd 塊状重合装置及その制御方法
US5289640A (en) * 1991-04-10 1994-03-01 Retec/Tetra, Lc Apparatus and method for preferentially separating volatilizable components of a matrix
DE19837277A1 (de) 1998-08-18 2000-02-24 Eco Impact Unternehmensberatun Verfahren und Extruderkaskaden-Vorrichtung zur thermischen Behandlung, Thermolyse und Pyrolyse von bituminösen Stoffen, Asphalten Teeren und Teerschlämmen und zur Kondensation daraus entstehender Wertstoffe
DE19837276A1 (de) 1998-08-18 2000-03-09 Eco Impact Unternehmensberatun Verfahren und Vorrichtung zum Destillieren und Cracken von Altölen
DE29921445U1 (de) 1999-12-08 2000-05-11 Burdosa Technology Ltd., Harrow Schlaufenreaktor
EP1594916A1 (fr) 2003-02-17 2005-11-16 Zbigniew Tokarz Procede et dispositif destines a la conversion en continu de dechets en plastique polyolefinique
WO2006092306A1 (fr) 2005-03-02 2006-09-08 Clyvia Technology Gmbh Procede de depolymerisation de residus contenant des hydrocarbures et dispositif destine a la mise en oeuvre du procede
DE19708384B4 (de) 1997-03-01 2006-11-16 ECO IMPACT Gesellschaft für Umwelttechnik mbH Vorrichtung zum Recycling von Altölen und anderen Stoffen, die gemeinsam mit dem Altöl recycelt, destilliert und gecrackt werden können
DE202006003430U1 (de) 2006-03-02 2007-07-05 Clyvia Technology Gmbh Depolymerisationsanlage
DE202006003429U1 (de) 2006-03-02 2007-07-05 Clyvia Technology Gmbh Depolymerisationsanlage
WO2007098948A1 (fr) 2006-03-02 2007-09-07 Clyvia Technology Gmbh Installation de dépolymérisation et procédé permettant de faire fontionner et d'entretenir ladite installation
WO2007098949A1 (fr) 2006-03-02 2007-09-07 Clyvia Technology Gmbh Installation de dépolymérisation et procédé de dépolymérisation de matières premières contenant des hydrocarbures
EP1841837A1 (fr) 2004-10-19 2007-10-10 Zbigniew Tokarz Reacteur pyrocatalytique a flux transversal utilise dans la conversion de dechets de materiaux plastiques et de caoutchouc
US7285186B2 (en) 2003-12-11 2007-10-23 Zbigniew Tokarz Transverse-flow catalytic reactor for conversion of waste plastic material and scrap rubber

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3433336A1 (de) 1983-09-21 1985-03-28 Buss Ag, Basel Verfahren und vorrichtung zur wiederaufbereitung von altoel
JPH0258503A (ja) * 1988-08-24 1990-02-27 Hitachi Ltd 塊状重合装置及その制御方法
US5289640A (en) * 1991-04-10 1994-03-01 Retec/Tetra, Lc Apparatus and method for preferentially separating volatilizable components of a matrix
DE19708384B4 (de) 1997-03-01 2006-11-16 ECO IMPACT Gesellschaft für Umwelttechnik mbH Vorrichtung zum Recycling von Altölen und anderen Stoffen, die gemeinsam mit dem Altöl recycelt, destilliert und gecrackt werden können
DE19837277A1 (de) 1998-08-18 2000-02-24 Eco Impact Unternehmensberatun Verfahren und Extruderkaskaden-Vorrichtung zur thermischen Behandlung, Thermolyse und Pyrolyse von bituminösen Stoffen, Asphalten Teeren und Teerschlämmen und zur Kondensation daraus entstehender Wertstoffe
DE19837276A1 (de) 1998-08-18 2000-03-09 Eco Impact Unternehmensberatun Verfahren und Vorrichtung zum Destillieren und Cracken von Altölen
DE29921445U1 (de) 1999-12-08 2000-05-11 Burdosa Technology Ltd., Harrow Schlaufenreaktor
EP1594916A1 (fr) 2003-02-17 2005-11-16 Zbigniew Tokarz Procede et dispositif destines a la conversion en continu de dechets en plastique polyolefinique
US7285186B2 (en) 2003-12-11 2007-10-23 Zbigniew Tokarz Transverse-flow catalytic reactor for conversion of waste plastic material and scrap rubber
EP1841837A1 (fr) 2004-10-19 2007-10-10 Zbigniew Tokarz Reacteur pyrocatalytique a flux transversal utilise dans la conversion de dechets de materiaux plastiques et de caoutchouc
DE102005010151B3 (de) 2005-03-02 2006-09-14 Clyvia Technology Gmbh Verfahren zum katalytischen Depolymerisieren von kohlenwasserstoffhaltigen Rückständen sowie Vorrichtung zum Durchführen dieses Verfahrens
WO2006092306A1 (fr) 2005-03-02 2006-09-08 Clyvia Technology Gmbh Procede de depolymerisation de residus contenant des hydrocarbures et dispositif destine a la mise en oeuvre du procede
DE202006003429U1 (de) 2006-03-02 2007-07-05 Clyvia Technology Gmbh Depolymerisationsanlage
WO2007098948A1 (fr) 2006-03-02 2007-09-07 Clyvia Technology Gmbh Installation de dépolymérisation et procédé permettant de faire fontionner et d'entretenir ladite installation
WO2007098949A1 (fr) 2006-03-02 2007-09-07 Clyvia Technology Gmbh Installation de dépolymérisation et procédé de dépolymérisation de matières premières contenant des hydrocarbures
DE202006003430U1 (de) 2006-03-02 2007-07-05 Clyvia Technology Gmbh Depolymerisationsanlage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015074676A1 (fr) * 2013-11-25 2015-05-28 Technofond Dispositif de régénération
CN104353389A (zh) * 2014-10-16 2015-02-18 浙江联合颜料有限公司 一种用于氧化铁颜料的搅拌装置
CN104353389B (zh) * 2014-10-16 2016-10-19 浙江联合颜料有限公司 一种用于氧化铁颜料的搅拌装置

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