EP2106294A2 - Grain size selection and/or matter drying apparatus - Google Patents
Grain size selection and/or matter drying apparatusInfo
- Publication number
- EP2106294A2 EP2106294A2 EP07870307A EP07870307A EP2106294A2 EP 2106294 A2 EP2106294 A2 EP 2106294A2 EP 07870307 A EP07870307 A EP 07870307A EP 07870307 A EP07870307 A EP 07870307A EP 2106294 A2 EP2106294 A2 EP 2106294A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- pipe
- selector
- opening
- inlet
- 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
Links
- 238000001035 drying Methods 0.000 title claims abstract description 39
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 9
- 239000011707 mineral Substances 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 89
- 239000007789 gas Substances 0.000 claims description 85
- 239000000725 suspension Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 230000002349 favourable effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 2
- 230000003628 erosive effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 23
- 238000004064 recycling Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
Definitions
- the present invention relates to an apparatus for granulometric selection and / or material drying, for the suspension treatment of granular mineral materials of which at least 90% by weight have a size less than 60 mm.
- in-line suspension drying machines which apply to materials having an average particle size of less than 10 mm.
- flash Such systems which are in the form of a development of a vertical pipe of hot gases have been described in publications and in particular B.Reinhardt, Ph.D. Duhamel, R. Evrard, A. Shoemaker - The flash drying - Seminar of the Society of Mineral Industry - Dijon, October 9, 1999.
- the object of the present invention is to provide an apparatus for granulometric selection and / or drying of pulverulent materials, for the suspension treatment of granular mineral materials of which at least 90% by weight are less than 60 mm in size, which operates in line and stably for application to materials with a wide particle size spectrum.
- the invention also relates to a continuous grinding plant, in particular for a cement plant, of closed circuit type, comprising:
- Part of the granular mineral matter, in particular so-called “fines”, can escape with the gas through the upper opening 3 thanks to the lift of the upward flow Fa, while another part of the materials, more coarse, is not driven by the gas and falls through the lower opening 2.
- This device can be implemented with a gas pipe whose length does not exceed 4 to 5 times the value of the diameter.
- the speed of the upward flow of gas can be 15 m / s.
- the topics have a maximum grain size of 100 mm at a specific concentration of between 5 and 6 kg / kg of gas.
- the installation can operate without instability and selects materials such that only particles smaller than about 0.8 mm are flown and particles larger than about 2 mm fall.
- the resulting pressure drop is of the order of 60% compared to the "flash" type drying system known from the state of the art for the same flow of material.
- This facility processes materials 17, 18 at least one of which is wet.
- the plant which processes the materials comprises a grinder 15, a dynamic selector 16, a filter 21 which collects the ground finished product, and material handling means such as a bucket chain or other conveyors, as well as ventilation means for the gases.
- This plant receives hot gases from an undescribed source.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07870307T PL2106294T3 (en) | 2006-11-20 | 2007-11-20 | Grain size selection and/or matter drying apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0610144A FR2908673B1 (en) | 2006-11-20 | 2006-11-20 | APPARATUS FOR SELECTING GRANULOMETRIC AND / OR DRYING MATERIAL. |
PCT/FR2007/001901 WO2008068432A2 (en) | 2006-11-20 | 2007-11-20 | Grain size selection and/or matter drying apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2106294A2 true EP2106294A2 (en) | 2009-10-07 |
EP2106294B1 EP2106294B1 (en) | 2012-03-14 |
Family
ID=38120376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07870307A Active EP2106294B1 (en) | 2006-11-20 | 2007-11-20 | Grain size selection and/or matter drying apparatus |
Country Status (14)
Country | Link |
---|---|
US (1) | US8245963B2 (en) |
EP (1) | EP2106294B1 (en) |
JP (1) | JP5497443B2 (en) |
CN (1) | CN101583429B (en) |
AT (1) | ATE549088T1 (en) |
CA (1) | CA2670906C (en) |
DK (1) | DK2106294T3 (en) |
ES (1) | ES2384402T3 (en) |
FR (1) | FR2908673B1 (en) |
MX (1) | MX2009005334A (en) |
PL (1) | PL2106294T3 (en) |
RU (1) | RU2445174C2 (en) |
UA (1) | UA95818C2 (en) |
WO (1) | WO2008068432A2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2959679B1 (en) * | 2010-05-05 | 2015-02-20 | Fives Fcb | PROCESS FOR GRINDING MINERAL MATERIAL CONTAINING AT LEAST CALCIUM AND METAL IMPURITIES, AND INSTALLATION SUITABLE FOR GRINDING MINERAL MATERIAL CONTAINING CALCIUM AND METAL IMPURITIES AS SUCH. |
JP5179540B2 (en) * | 2010-05-20 | 2013-04-10 | 株式会社キンキ | Crushing dryer and crushing and drying equipment equipped with it |
DE102010054849A1 (en) * | 2010-12-17 | 2012-06-21 | Zeppelin Systems Gmbh | Process and device for separating fine particles from granular bulk materials in a pipeline |
CN104990390A (en) * | 2015-07-30 | 2015-10-21 | 天能水泥有限责任公司 | Dry discharged carbide slag drying and ferrosilicon collection method and system |
CN109012888A (en) * | 2018-10-26 | 2018-12-18 | 南京中材粉体工程科技有限公司 | A kind of roller type vertical mill |
CN112742049B (en) * | 2019-10-30 | 2022-04-08 | 中国石油化工股份有限公司 | Rotary flash dryer |
CN114226248B (en) * | 2021-11-16 | 2022-11-18 | 太原理工大学 | Treatment method for quality-based classification of coal ash of circulating fluidized bed |
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US271604A (en) * | 1883-02-06 | Grain cooler and drier | ||
US1861248A (en) * | 1930-01-03 | 1932-05-31 | Albert H Stebbins | Air classifier |
US2808213A (en) * | 1954-01-13 | 1957-10-01 | West Canadian Collieries Ltd | Gas entrained lump-breaking and drying equipment |
US2813318A (en) * | 1954-06-29 | 1957-11-19 | Simpson Herbert Corp | Method and apparatus for treating granular material |
GB767646A (en) * | 1955-03-17 | 1957-02-06 | Smidth & Co As F L | Improvements relating to the removal of fine or light particles from mixtures of particles |
US2949245A (en) * | 1957-03-19 | 1960-08-16 | Cities Service Refining Corp | Elutriation of solids |
SU692637A1 (en) * | 1974-05-12 | 1979-10-25 | Всесоюзный Научно-Исследовательский Институт Металлургической Теплотехники "Вниимт" | Air classifier for separating solids by particle size |
US3975263A (en) * | 1975-02-25 | 1976-08-17 | Elo Heikki K | Material separation apparatus and method |
JPS5237258A (en) * | 1975-09-19 | 1977-03-23 | Kawasaki Heavy Ind Ltd | Preventing device for fall of raw materials in air-current type heat-e xcanger |
SU900876A1 (en) * | 1980-06-03 | 1982-01-30 | Уральский ордена Трудового Красного Знамени политехнический институт им.С.М.Кирова | Gravitation pneumatic classifier |
US4299694A (en) * | 1980-08-25 | 1981-11-10 | The Direct Reduction Corporation | Method and apparatus for char separation from the discharge materials of an iron oxide reducing kiln |
DE3626044A1 (en) * | 1986-08-08 | 1988-02-04 | Uralsky Politekhn Inst | WINIFIFIER FOR SEPARATING SCHUETTES |
DE3840510A1 (en) * | 1988-12-01 | 1990-06-07 | Metallgesellschaft Ag | PROTECTIVE FILTER FILTER WITH CENTRIFUGAL SEPARATOR |
JPH0491748U (en) * | 1990-12-26 | 1992-08-10 | ||
JPH05147734A (en) * | 1991-11-26 | 1993-06-15 | Nippon Ester Co Ltd | Dust removing device |
DE4218318C2 (en) * | 1992-06-03 | 2002-10-24 | Lehmann Maschf F B | Cleaning device for air pressure sensors on air classifiers |
US5695130A (en) * | 1992-07-01 | 1997-12-09 | Csendes; Ernest | Method and apparatus for the dry grinding of solids |
DE4306930B4 (en) * | 1992-07-25 | 2005-11-10 | Khd Humboldt Wedag Ag | Plant for the comminution of regrind |
DE4309920A1 (en) * | 1993-03-26 | 1993-08-26 | Voith Gmbh J M | Hydro-cyclone separator with central outlet tube for lighter fraction - which has internal guide vanes at a distance from end equal to half diameter of tube. |
RU2100102C1 (en) * | 1996-01-31 | 1997-12-27 | Алтайский государственный технический университет им.И.И.Ползунова | Air separator |
US6283300B1 (en) * | 1998-08-21 | 2001-09-04 | Joseph B. Bielagus | Feed distribution for low velocity air density separation |
JP2001009434A (en) * | 1999-06-28 | 2001-01-16 | Ishikawajima Harima Heavy Ind Co Ltd | Method and device for treating spent gypsum board |
RU2206844C1 (en) * | 2001-12-24 | 2003-06-20 | Государственное образовательное учреждение Воронежской государственной технологической академии | Apparatus for drying lumped dispersed materials |
CN1485139A (en) * | 2003-08-19 | 2004-03-31 | 李家春 | Magnetic suspension pattern steel ball coal mill |
JP2005066423A (en) * | 2003-08-21 | 2005-03-17 | Takuma Co Ltd | Pyrolysis residue separator |
JP4122438B2 (en) * | 2004-01-21 | 2008-07-23 | 独立行政法人産業技術総合研究所 | Multistage wind sorter |
RU2277980C2 (en) * | 2004-06-10 | 2006-06-20 | Тольяттинский государственный университет | Powder material producing method |
KR100592096B1 (en) * | 2004-10-08 | 2006-06-22 | 삼성광주전자 주식회사 | Cyclone dust collector |
JP4599540B2 (en) * | 2005-06-23 | 2010-12-15 | 太平工業株式会社 | Coal ash treatment equipment |
-
2006
- 2006-11-20 FR FR0610144A patent/FR2908673B1/en not_active Expired - Fee Related
-
2007
- 2007-11-20 CA CA2670906A patent/CA2670906C/en active Active
- 2007-11-20 WO PCT/FR2007/001901 patent/WO2008068432A2/en active Application Filing
- 2007-11-20 AT AT07870307T patent/ATE549088T1/en active
- 2007-11-20 CN CN2007800430756A patent/CN101583429B/en active Active
- 2007-11-20 DK DK07870307.1T patent/DK2106294T3/en active
- 2007-11-20 RU RU2009123505/03A patent/RU2445174C2/en active
- 2007-11-20 JP JP2009536765A patent/JP5497443B2/en active Active
- 2007-11-20 PL PL07870307T patent/PL2106294T3/en unknown
- 2007-11-20 ES ES07870307T patent/ES2384402T3/en active Active
- 2007-11-20 EP EP07870307A patent/EP2106294B1/en active Active
- 2007-11-20 MX MX2009005334A patent/MX2009005334A/en active IP Right Grant
- 2007-11-20 US US12/447,973 patent/US8245963B2/en active Active
- 2007-11-20 UA UAA200904956A patent/UA95818C2/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2008068432A2 * |
Also Published As
Publication number | Publication date |
---|---|
RU2445174C2 (en) | 2012-03-20 |
WO2008068432A3 (en) | 2008-08-07 |
PL2106294T3 (en) | 2012-08-31 |
US20100133369A1 (en) | 2010-06-03 |
DK2106294T3 (en) | 2012-06-18 |
ATE549088T1 (en) | 2012-03-15 |
JP2010510468A (en) | 2010-04-02 |
ES2384402T3 (en) | 2012-07-04 |
CA2670906A1 (en) | 2008-06-12 |
CN101583429B (en) | 2011-11-16 |
UA95818C2 (en) | 2011-09-12 |
EP2106294B1 (en) | 2012-03-14 |
JP5497443B2 (en) | 2014-05-21 |
US8245963B2 (en) | 2012-08-21 |
MX2009005334A (en) | 2009-09-02 |
RU2009123505A (en) | 2010-12-27 |
CA2670906C (en) | 2012-01-10 |
FR2908673A1 (en) | 2008-05-23 |
FR2908673B1 (en) | 2009-11-06 |
CN101583429A (en) | 2009-11-18 |
WO2008068432A2 (en) | 2008-06-12 |
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