ZA200206310B - Method and apparatus for separating material. - Google Patents
Method and apparatus for separating material. Download PDFInfo
- Publication number
- ZA200206310B ZA200206310B ZA200206310A ZA200206310A ZA200206310B ZA 200206310 B ZA200206310 B ZA 200206310B ZA 200206310 A ZA200206310 A ZA 200206310A ZA 200206310 A ZA200206310 A ZA 200206310A ZA 200206310 B ZA200206310 B ZA 200206310B
- Authority
- ZA
- South Africa
- Prior art keywords
- pulverizer
- particles
- comminutor
- coal
- separation mechanism
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims description 115
- 238000000034 method Methods 0.000 title claims description 33
- 239000002245 particle Substances 0.000 claims description 347
- 230000007246 mechanism Effects 0.000 claims description 233
- 239000003245 coal Substances 0.000 claims description 124
- 238000000926 separation method Methods 0.000 claims description 122
- 238000000227 grinding Methods 0.000 claims description 83
- 239000006148 magnetic separator Substances 0.000 claims description 53
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 29
- 239000011707 mineral Substances 0.000 claims description 29
- 229910052683 pyrite Inorganic materials 0.000 claims description 23
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 13
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 10
- 229910052753 mercury Inorganic materials 0.000 claims description 10
- 238000005299 abrasion Methods 0.000 claims description 6
- 229910052785 arsenic Inorganic materials 0.000 claims description 6
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 6
- 239000011362 coarse particle Substances 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 5
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 4
- 229910052711 selenium Inorganic materials 0.000 claims description 4
- 239000011669 selenium Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 8
- 239000005864 Sulphur Substances 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 description 77
- 239000011159 matrix material Substances 0.000 description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 32
- 235000010755 mineral Nutrition 0.000 description 26
- 230000005292 diamagnetic effect Effects 0.000 description 23
- 230000005298 paramagnetic effect Effects 0.000 description 20
- 239000011593 sulfur Substances 0.000 description 18
- 229910052717 sulfur Inorganic materials 0.000 description 17
- 229910052742 iron Inorganic materials 0.000 description 16
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 14
- 239000011028 pyrite Substances 0.000 description 14
- 238000005070 sampling Methods 0.000 description 14
- 238000007885 magnetic separation Methods 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 11
- 239000006249 magnetic particle Substances 0.000 description 11
- 239000004020 conductor Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 230000005684 electric field Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 230000004907 flux Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000004880 explosion Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000010298 pulverizing process Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000012468 concentrated sample Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 150000002430 hydrocarbons Chemical group 0.000 description 2
- 239000010954 inorganic particle Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005549 size reduction Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910021654 trace metal Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 241001251094 Formica Species 0.000 description 1
- 238000007545 Vickers hardness test Methods 0.000 description 1
- KYNBZKPYPKYYBQ-UHFFFAOYSA-N [Co].[Fe].[Nd] Chemical compound [Co].[Fe].[Nd] KYNBZKPYPKYYBQ-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002864 coal component Substances 0.000 description 1
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 231100001244 hazardous air pollutant Toxicity 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003254 palate Anatomy 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011044 quartzite Substances 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052569 sulfide mineral Inorganic materials 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/04—Mills with pressed pendularly-mounted rollers, e.g. spring pressed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C2015/002—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2201/00—Pretreatment of solid fuel
- F23K2201/10—Pulverizing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2201/00—Pretreatment of solid fuel
- F23K2201/30—Separating
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Means For Separation Of Solids (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Grinding (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/514,048 US6820829B1 (en) | 2000-02-25 | 2000-02-25 | Method and apparatus for separating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200206310B true ZA200206310B (en) | 2003-08-20 |
Family
ID=24045597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200206310A ZA200206310B (en) | 2000-02-25 | 2002-08-07 | Method and apparatus for separating material. |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US6820829B1 (zh) |
| EP (1) | EP1282467A4 (zh) |
| CN (2) | CN101961667B (zh) |
| AU (2) | AU2001241659B2 (zh) |
| CA (3) | CA2681859C (zh) |
| WO (1) | WO2001062391A1 (zh) |
| ZA (1) | ZA200206310B (zh) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100391615C (zh) * | 2004-12-28 | 2008-06-04 | 北京华诺维科技发展有限责任公司 | 一种盘式磁选辊压机 |
| AU2006235513A1 (en) * | 2005-04-11 | 2006-10-19 | Pulsewave Llc | Methods for reduction pollutants from carbonaceous materials prior to combustion |
| DE102005023950B4 (de) * | 2005-05-20 | 2007-08-02 | Omya Gmbh | Anlage zur Herstellung disperser mineralischer Produkte |
| US7703197B2 (en) * | 2005-07-01 | 2010-04-27 | Moltion James R | Process for depopulating a circuit board |
| US7926751B2 (en) * | 2007-10-08 | 2011-04-19 | Ameren Corporation | Systems and methods for grinding coal with secondary air bias and bowl pressure control loops and perforation plates |
| DE102010040724B4 (de) * | 2010-09-14 | 2015-02-12 | Siemens Aktiengesellschaft | Ermittlung des Mahlgrades eines Mahlgutes, insbesondere eines Erzes, in einer Mühle |
| CN102151593B (zh) * | 2010-12-06 | 2012-07-25 | 河南理工大学 | 螺旋滚筒式排煤机 |
| DE102011014592A1 (de) * | 2011-03-21 | 2012-09-27 | Loesche Gmbh | Wälzmühle |
| CN102716786A (zh) * | 2012-06-29 | 2012-10-10 | 余柯 | 源自钢球碰撞频率和能效研究的磨煤节电新技术 |
| DE102012109644B4 (de) * | 2012-10-10 | 2016-02-11 | Thyssenkrupp Industrial Solutions Ag | Mahlanlage |
| CN104741207B (zh) * | 2013-12-30 | 2017-07-21 | 比亚迪股份有限公司 | 一种分离非晶合金中异质材料的方法 |
| US10167419B2 (en) | 2015-12-07 | 2019-01-01 | Halliburton Energy Services, Inc. | Beneficiating weighting agents |
| US10500592B2 (en) * | 2016-03-24 | 2019-12-10 | Schenck Process Llc | Roller mill system with rejects removal system |
| CN108201925B (zh) * | 2016-12-20 | 2020-05-12 | 泰州市津专知识产权服务有限公司 | 一种带有吸尘装置的物料粉碎系统 |
| CN107670773B (zh) * | 2017-10-01 | 2018-08-03 | 徐州丰姚农业发展有限公司 | 一种用于农产品深加工的小麦烘干磨粉一体机 |
| US11369973B2 (en) * | 2017-11-14 | 2022-06-28 | Eco Tec Mineria Corp. | Method and device for milling and separation of solids and granular materials including metal containing materials as well as phytogenic materials with high level of silicon in a controlled airflow |
| CN107876385B (zh) * | 2017-11-20 | 2021-01-29 | 芜湖新农夫机械有限公司 | 一种热风炉用煤粒煤粉分离装置 |
| DE102019200191A1 (de) * | 2018-06-08 | 2019-12-12 | Sms Group Gmbh | Trockenaufbereitung von Kaolin bei der Herstellung von HPA |
| CN110201884B (zh) * | 2019-06-10 | 2023-04-25 | 安徽马钢张庄矿业有限责任公司 | 一种铁矿加工用高频激振结构以及细筛旋流器分级工艺 |
| CN111282641B (zh) * | 2020-03-02 | 2021-07-13 | 新昌县维利机械有限公司 | 一种环保电子垃圾加工设备 |
| AU2022297021A1 (en) * | 2021-06-25 | 2024-02-01 | Torxx Kinetic Pulverizer Limited | Process for treating construction and demolition waste material with kinetic pulverization |
| CN114536128A (zh) * | 2021-12-30 | 2022-05-27 | 大连德迈仕精密科技股份有限公司 | 一种端面磨自动上下料装置 |
| CN114273064A (zh) * | 2021-12-30 | 2022-04-05 | 山东博研粉体技术装备有限公司 | 一种用于水泥粉磨的塔式磨 |
| CN114536598B (zh) * | 2022-03-04 | 2022-10-04 | 佛山市南海瑞泰机动车报废有限公司 | 一种报废汽车塑料的回收加工方法 |
| CN115283089A (zh) * | 2022-09-02 | 2022-11-04 | 石家庄华邦矿产品有限公司 | 用于研磨粉体的气流磨装置 |
| WO2024074632A2 (de) * | 2022-10-06 | 2024-04-11 | Gebr. Pfeiffer Se | Schüttgutmühle zur grobgutaufbereitung |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3908912A (en) * | 1974-09-17 | 1975-09-30 | Bethlehem Steel Corp | Coal beneficiating process |
| DE2620461A1 (de) * | 1976-05-08 | 1977-11-24 | Kloeckner Humboldt Deutz Ag | Mahltrocknungsanlage |
| DE2754468A1 (de) * | 1977-12-07 | 1979-06-13 | Kloeckner Humboldt Deutz Ag | Verfahren zur entschwefelung von kohle, vorzugsweise von kraftwerkskohle |
| DE2943556A1 (de) * | 1979-10-27 | 1981-05-07 | Steag Ag, 4300 Essen | Verfahren und anlage zur trockenabscheidung von pyrit aus steinkohle |
| DE3130536A1 (de) * | 1981-08-01 | 1983-02-10 | Steag Ag, 4300 Essen | Verfahren zum zerkleinern von rohkohle mit hilfe eines prallzerkleinerers und vorrichtung zur durchfuehrung des verfahrens |
| DE3202054A1 (de) * | 1982-01-23 | 1983-08-04 | Steag Ag, 4300 Essen | Kohlenmahlanlage mit griessruecklauf und abtrennung von pyrit und bergen |
| EP0112022A3 (en) * | 1982-12-16 | 1986-09-03 | F.L. Smidth & Co. A/S | Method of and plant for grinding pulverulent or granular materials |
| US4505435A (en) * | 1983-05-16 | 1985-03-19 | Combustion Engineering, Inc. | Apparatus for removal of troublesome mineral matter from pulverized coal |
| US4640464A (en) * | 1984-11-07 | 1987-02-03 | Combustion Engineering, Inc. | Roller mill control system |
| US5017283A (en) | 1988-09-28 | 1991-05-21 | Exportech Company, Inc. | Method of magnetic separation and apparatus therefore |
| US4907751A (en) * | 1988-10-03 | 1990-03-13 | Sure Alloy Steel | Rotating throat for coal pulverizer |
| US5251831A (en) * | 1991-01-21 | 1993-10-12 | Mitsubishi Jukogyo Kabushiki Kaisha | Roller mill |
| DE4423815C2 (de) * | 1994-07-06 | 1996-09-26 | Loesche Gmbh | Mühlensichter |
| DE4124416A1 (de) * | 1991-07-23 | 1993-01-28 | Krupp Polysius Ag | Einrichtung und verfahren zur zerkleinerung von mahlgut unterschiedlicher koernung |
| US5330110A (en) * | 1993-07-12 | 1994-07-19 | Williams Robert M | Apparatus for grinding material to a fineness grade |
| DE4323587C2 (de) * | 1993-07-14 | 1996-07-18 | Loesche Gmbh | Verfahren und Einrichtung zum Zerkleinern von Material unterschiedlicher Körnung |
| JP2579885B2 (ja) * | 1993-10-15 | 1997-02-12 | 川崎重工業株式会社 | 粉粒体原料の粉砕方法と粉砕装置および分級機 |
| US5676318A (en) * | 1994-03-09 | 1997-10-14 | Nec Corporation | Method of recovering valuable substances from printed circuit board |
| US5667149A (en) * | 1995-07-03 | 1997-09-16 | Foster Wheeler Energy Corporation | Solids pulverizer mill and process utilizing interactive air port nozzles |
| US5819945A (en) * | 1995-08-31 | 1998-10-13 | University Of British Columbia | Bimodal dense medium for fine particles separation in a dense medium cyclone |
| US5769332A (en) * | 1996-04-10 | 1998-06-23 | Cgc Inc. | Efficient production of landplaster by collecting and classsifying gypsum fines |
| DE19718668C2 (de) * | 1997-05-02 | 2003-04-03 | Hosokawa Alpine Ag & Co | Verfahren zum Trennen und kontinuierlichen Austragen von schwer dispergierbaren Bestandteilen |
| AUPO875297A0 (en) * | 1997-08-22 | 1997-09-18 | Transfield Pty Limited | Improved device for the removal of non-combustibles from mills |
| DE19844112A1 (de) * | 1998-09-25 | 2000-03-30 | Loesche Gmbh | Schaufelkranz für Luftstrom-Wälzmühlen |
| CN1069849C (zh) * | 1998-12-08 | 2001-08-22 | 庞德明 | 立式反击破碎粉磨机 |
-
2000
- 2000-02-25 US US09/514,048 patent/US6820829B1/en not_active Expired - Fee Related
-
2001
- 2001-02-22 CA CA2681859A patent/CA2681859C/en not_active Expired - Fee Related
- 2001-02-22 CA CA002400175A patent/CA2400175C/en not_active Expired - Fee Related
- 2001-02-22 EP EP01912925A patent/EP1282467A4/en not_active Withdrawn
- 2001-02-22 CA CA2769724A patent/CA2769724C/en not_active Expired - Fee Related
- 2001-02-22 CN CN201010279611.6A patent/CN101961667B/zh not_active Expired - Fee Related
- 2001-02-22 AU AU2001241659A patent/AU2001241659B2/en not_active Ceased
- 2001-02-22 WO PCT/US2001/005679 patent/WO2001062391A1/en active Application Filing
- 2001-02-22 AU AU4165901A patent/AU4165901A/xx active Pending
- 2001-02-22 CN CN018055923A patent/CN1418131B/zh not_active Expired - Fee Related
-
2002
- 2002-08-07 ZA ZA200206310A patent/ZA200206310B/en unknown
-
2004
- 2004-11-12 US US10/988,367 patent/US7124968B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU4165901A (en) | 2001-09-03 |
| CA2400175A1 (en) | 2001-08-30 |
| US7124968B2 (en) | 2006-10-24 |
| CN101961667A (zh) | 2011-02-02 |
| CN101961667B (zh) | 2014-06-18 |
| EP1282467A4 (en) | 2003-07-23 |
| CA2400175C (en) | 2009-12-29 |
| EP1282467A1 (en) | 2003-02-12 |
| WO2001062391A1 (en) | 2001-08-30 |
| US20050145732A1 (en) | 2005-07-07 |
| CN1418131A (zh) | 2003-05-14 |
| CA2681859C (en) | 2012-05-08 |
| CA2769724C (en) | 2014-09-30 |
| CN1418131B (zh) | 2010-12-01 |
| AU2001241659B2 (en) | 2006-04-27 |
| CA2681859A1 (en) | 2001-08-30 |
| CA2769724A1 (en) | 2001-08-30 |
| US6820829B1 (en) | 2004-11-23 |
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