BRPI0615214A2 - aparelho para produção, retirada e transferência de uma pasta fluida altamente viscosa - Google Patents

aparelho para produção, retirada e transferência de uma pasta fluida altamente viscosa

Info

Publication number
BRPI0615214A2
BRPI0615214A2 BRPI0615214-7A BRPI0615214A BRPI0615214A2 BR PI0615214 A2 BRPI0615214 A2 BR PI0615214A2 BR PI0615214 A BRPI0615214 A BR PI0615214A BR PI0615214 A2 BRPI0615214 A2 BR PI0615214A2
Authority
BR
Brazil
Prior art keywords
slurry
container
open
spiral element
highly viscous
Prior art date
Application number
BRPI0615214-7A
Other languages
English (en)
Inventor
Guy Peloquin
Renald Dufour
Andrew N Carruthers
Donald Puxley
Original Assignee
Alcan Int Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37771192&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0615214(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Alcan Int Ltd filed Critical Alcan Int Ltd
Publication of BRPI0615214A2 publication Critical patent/BRPI0615214A2/pt
Publication of BRPI0615214B1 publication Critical patent/BRPI0615214B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • B01D21/186—Construction of the scrapers or the driving mechanisms for settling tanks with two or more scrapers fixed at different heights on a central rotating shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B01D21/2461—Positive-displacement pumps; Screw feeders; Trough conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
    • B01D21/286—Means for gentle agitation for enhancing flocculation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/0646—Separation of the insoluble residue, e.g. of red mud
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/02—Apparatus therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Filtration Of Liquid (AREA)
  • Treatment Of Sludge (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Paper (AREA)

Abstract

APARELHO PARA PRODUçãO, RETIRADA E TRANSFERêNCIA DE UMA PASTA FLUIDA ALTAMENTE VISCOSA. A presente invenção refere-se a um método e aparelho para separar componentes de pasta fluida por assentamento gravitacional formando, por meio disso, uma pasta fluida engrossada e um líquido clarificado. O aparelho compreende um recipiente para decantar um volume de pasta fluida, um dispositivo de entrada de pasta fluida, uma passagem para o líquido clarificado, e um aparelho de remoção de pasta fluida para remoção da pasta fluida engrossada do recipiente no ou próximo a uma parede de fundo do mesmo. O aparelho de remoção da pasta fluida prende fisicamente uma parte da pasta fluida na parte interna do recipiente e transporta a mesma através de uma passagem do recipiente. O aparelho pode incluir um elemento alongado, giratório, em formato espiral aberto se estendendo uma distância para o recipiente a partir da parte externa próxima à parede de fundo do recipiente, o elemento em formato espiral aberto estado em comunicação direta e aberta com a parte interna do recipiente acima pelo menos de uma parte significante da distância, e um mecanismo de acionamento rotacional para girar o elemento em formato espiral aberto, pelo menos intermitentemente.
BRPI0615214-7A 2005-08-23 2006-08-21 Aparelho para separar componentes de pastas fluidas por assentamento gravitacional e método de retirada de uma pasta fluida ou uma pasta sólida BRPI0615214B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71045505P 2005-08-23 2005-08-23
US60/710,455 2005-08-23
PCT/CA2006/001370 WO2007022622A1 (en) 2005-08-23 2006-08-21 Apparatus for production, withdrawal and transfer of highly viscous slurry

Publications (2)

Publication Number Publication Date
BRPI0615214A2 true BRPI0615214A2 (pt) 2009-08-04
BRPI0615214B1 BRPI0615214B1 (pt) 2018-04-03

Family

ID=37771192

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0615214-7A BRPI0615214B1 (pt) 2005-08-23 2006-08-21 Aparelho para separar componentes de pastas fluidas por assentamento gravitacional e método de retirada de uma pasta fluida ou uma pasta sólida

Country Status (16)

Country Link
US (1) US7473376B2 (pt)
EP (1) EP1917083B1 (pt)
CN (1) CN101330956B (pt)
AU (1) AU2006284387B2 (pt)
BR (1) BRPI0615214B1 (pt)
CA (1) CA2618873C (pt)
ES (1) ES2658841T3 (pt)
HU (1) HUE038362T2 (pt)
MX (1) MX2008002136A (pt)
MY (1) MY150101A (pt)
PE (1) PE20070564A1 (pt)
RU (1) RU2420339C2 (pt)
SI (1) SI1917083T1 (pt)
UA (1) UA94592C2 (pt)
WO (1) WO2007022622A1 (pt)
ZA (1) ZA200802593B (pt)

Families Citing this family (13)

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WO2011041379A1 (en) * 2009-09-29 2011-04-07 Hyperion Catalysis International, Inc. Gasket containing carbon nanotubes
US20120012540A1 (en) * 2010-07-16 2012-01-19 Highmark Renewables Research , L.P. Grit removal system
PE20131182A1 (es) * 2010-08-13 2013-10-05 Rio Tinto Alcan Int Ltd Aparato y metodo para refinar un licor de proceso mediante sedimentacion por gravedad
CN102500596B (zh) * 2011-10-20 2013-08-07 安徽理工大学 一种适用于拜耳法的赤泥无害化综合回收利用工艺
EP2937210A1 (en) * 2014-04-22 2015-10-28 Rio Tinto Alcan International Limited Screw press with filter plates
RU2019142451A (ru) 2017-06-07 2021-07-09 КАДАНТ БЛЭК КЛОСОН ЭлЭлСи Усовершенствованный осветлитель с независимым приводом скребков отстойника
CN107088317A (zh) * 2017-06-20 2017-08-25 河钢股份有限公司承德分公司 一种稠厚器
AU2018371752B2 (en) 2017-11-21 2023-12-14 Thermaco Incorporated Solids transfer pump with modular components
SE543156C2 (en) * 2018-12-21 2020-10-13 Pa Invest Ab Stirring device for a semi-solid metal slurry and method and system for producing a semi-solid metal slurry using such a stirring device
CN110975350B (zh) * 2019-11-26 2021-08-20 四川会东大梁矿业有限公司 一种尾矿浓密机及尾矿处理系统
US11685682B1 (en) 2020-02-28 2023-06-27 Ian L. Roback Systems and processes for removing pollutants from water, reducing greenhouse gas emissions, and reducing aquatic ecosystem destruction
US11173423B2 (en) * 2020-02-28 2021-11-16 Ian L. Roback Spring filter system
CN114570074B (zh) * 2022-03-30 2023-01-03 湖南蓬源鸿达矿业有限公司 一种基于多功能的矿用浓缩装置

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Also Published As

Publication number Publication date
RU2008108747A (ru) 2009-09-27
HUE038362T2 (hu) 2018-10-29
CA2618873C (en) 2010-11-09
MY150101A (en) 2013-11-29
MX2008002136A (es) 2008-04-29
SI1917083T1 (en) 2018-02-28
US7473376B2 (en) 2009-01-06
BRPI0615214B1 (pt) 2018-04-03
CN101330956A (zh) 2008-12-24
CN101330956B (zh) 2012-01-04
WO2007022622A1 (en) 2007-03-01
AU2006284387A1 (en) 2007-03-01
EP1917083A4 (en) 2009-08-12
RU2420339C2 (ru) 2011-06-10
CA2618873A1 (en) 2007-03-01
AU2006284387B2 (en) 2012-01-19
ZA200802593B (en) 2009-10-28
PE20070564A1 (es) 2007-06-14
ES2658841T3 (es) 2018-03-12
US20070045202A1 (en) 2007-03-01
EP1917083A1 (en) 2008-05-07
EP1917083B1 (en) 2017-11-15
UA94592C2 (ru) 2011-05-25

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Legal Events

Date Code Title Description
B06G Technical and formal requirements: other requirements [chapter 6.7 patent gazette]

Free format text: O DEPOSITANTE DEVERA COMPLEMENTAR A RETRIBUICAO RELATIVA AO PEDIDO DE EXAME DO PRESENTE PEDIDO, DE ACORDO COM TABELA VIGENTE.

B06I Publication of requirement cancelled [chapter 6.9 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]