WO2009050142A1 - Roller mill - Google Patents
Roller mill Download PDFInfo
- Publication number
- WO2009050142A1 WO2009050142A1 PCT/EP2008/063720 EP2008063720W WO2009050142A1 WO 2009050142 A1 WO2009050142 A1 WO 2009050142A1 EP 2008063720 W EP2008063720 W EP 2008063720W WO 2009050142 A1 WO2009050142 A1 WO 2009050142A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- grinding table
- centre shaft
- roller mill
- speed
- electric motor
- 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
Links
Classifications
-
- 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
- B02C15/006—Ring or disc drive gear arrangement
-
- 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
- B02C15/14—Edge runners, e.g. Chile mills
Definitions
- the present invention relates to a roller mill for grinding particulate material, such as cement raw materials, cement clinker and similar materials.
- Such roller mills generally comprise a rotatable grinding table with a substantially vertical centreline and a number of rollers configured for interactive operation with the grinding table and turning about separate roller shafts which are fixed to a rotatable centre shaft which also has a substantially vertical centreline.
- a roller mill of the aforementioned kind is known from GB 601 299 A.
- This known roller mill incorporates a drive unit and a gearing mechanism between a rotatable grinding table and a rotatable centre shaft.
- gearing mechanisms for roller mills are generally subject to severe load conditions and will normally need replacing several times during the lifetime of a roller mill.
- a disadvantage of the mentioned gearing mechanism is that it is not possible to adjust the relative speeds of the grinding table and the rotatable centre shaft so that, for example, the grinding table rotates relatively fast and the rotatable centre shaft carrying the rollers relatively slowly.
- a roller mill of the kind described in the introduction and characterized in that the centre shaft and the grinding table are driven by and connected one to the rotor and the other to the stator of the same electric motor.
- the terms rotor and stator refer to inner and outer relatively rotatable parts of the motor and the terms 'rotor' and 'stator' are used for convenience.
- a single electric motor has the capability of rotating the grinding table as well as the rotatable centre shaft carrying the rollers. This is achieved by configuring the electric motor so that the rotor as well as the stator will be capable of rotation.
- the stator will not be stationary, but rotating, and, therefore, the stator must be furnished with means such as collector rings and brushes for transmitting electrical energy and bearings for supporting the rotation must be mounted in the machine frame.
- Using an electric motor in this manner eliminates the need for a gearing mechanism between the electric motor and the grinding table and the centre shaft, respectively.
- the means may in principle be constituted by any suitable means as long as they are capable of controlling the speed of the grinding table relative to the machine frame.
- the means may comprise an electric motor with adjustable speed which is connected to a stationary point, such as the machine frame, and the grinding table. In this way the speed of the grinding table is locked to the machine frame, whereby it is possible freely to choose the relationship between the speed of the grinding table and the speed of the centre shaft by adjusting the motor frequency.
- the motor controls the speed of the table (it does not rotate it) and by lowering the speed of the table the speed of the centre shaft will automatically be increased and vice versa.
- the means may comprise a planetary gear wheel connected both to the grinding table and the centre shaft.
- the planetary gear wheel is rotatably mounted on a protruding part of the machine frame.
- the relationship between the speed of the grinding table and the speed of the centre shaft is given by the numbers of teeth of the gear wheels. This gear only has to transmit the bearing friction.
- the means may comprise a brake, such as a hydraulic brake or a eddy-current brake, connected to the grinding table or the centre shaft and a stationary point. In this way it is possible to control the relative speed between the grinding table and the centre shaft.
- a brake such as a hydraulic brake or a eddy-current brake
- roller mill 1 which comprises an annular and rotatable grinding table 2 and a number or rollers 4 which are configured for interactive operation with the grinding table 2.
- the rollers 4 rotate about separate roller shafts 5 each of which is connected to a rotatable centre shaft 6 which has a substantially vertical centreline 3.
- the centre shaft 6 is fixed to the rotor 7 of an electric motor 9 and the grinding table 2 is fixed to the stator 8 of the electric motor 9.
- Bearings 13 supporting the grinding table 2 are mounted in the machine frame 12 in order to allow the stator to rotate.
- the electric motor 9 is an asynchronous or synchronous motor.
- the electric motor 9 has the capability to rotate the grinding table 2 as well as the centre shaft 6.
- a small electric motor 10 with adjustable speed is connected to the grinding table 2 and the machine frame 12 and is used to control the relative speed between the grinding table 2 and the machine frame 12.
- a planetary gear 11 is connected both to the grinding table 2 and to the centre shaft 6.
- the planetary wheel is rotatably mounted in a protruding part of the machine frame 12.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
Description
Claims
Priority Applications (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2701614A CA2701614A1 (en) | 2007-10-16 | 2008-10-13 | Roller mill |
| EP08840054.4A EP2197586B1 (en) | 2007-10-16 | 2008-10-13 | Roller mill |
| RU2010119401/13A RU2481157C2 (en) | 2007-10-16 | 2008-10-13 | Roll mill |
| AU2008313822A AU2008313822B2 (en) | 2007-10-16 | 2008-10-13 | Roller mill |
| UAA201005710A UA98512C2 (en) | 2007-10-16 | 2008-10-13 | Roller mill |
| CN200880111854XA CN101861208B (en) | 2007-10-16 | 2008-10-13 | Roller mill |
| JP2010529349A JP5485898B2 (en) | 2007-10-16 | 2008-10-13 | Roller mill |
| ES08840054T ES2424978T3 (en) | 2007-10-16 | 2008-10-13 | Roller mill |
| US12/682,932 US8109459B2 (en) | 2007-10-16 | 2008-10-13 | Roller mill |
| BRPI0817778 BRPI0817778A2 (en) | 2007-10-16 | 2008-10-13 | LAMINATING MILL FOR SMASHING PARTICULATE MATERIAL |
| MX2010003676A MX2010003676A (en) | 2007-10-16 | 2008-10-13 | Roller mill. |
| IL204135A IL204135A (en) | 2007-10-16 | 2010-02-24 | Roller mill |
| ZA2010/01730A ZA201001730B (en) | 2007-10-16 | 2010-03-10 | Roller mill |
| EG2010040616A EG25460A (en) | 2007-10-16 | 2010-04-15 | Roller mill |
| MA32848A MA31891B1 (en) | 2007-10-16 | 2010-05-17 | ROLLER MILL |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA200701486 | 2007-10-16 | ||
| DKPA200701486 | 2007-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009050142A1 true WO2009050142A1 (en) | 2009-04-23 |
Family
ID=40085418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2008/063720 Ceased WO2009050142A1 (en) | 2007-10-16 | 2008-10-13 | Roller mill |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US8109459B2 (en) |
| EP (1) | EP2197586B1 (en) |
| JP (1) | JP5485898B2 (en) |
| KR (1) | KR20100084515A (en) |
| CN (1) | CN101861208B (en) |
| AU (1) | AU2008313822B2 (en) |
| BR (1) | BRPI0817778A2 (en) |
| CA (1) | CA2701614A1 (en) |
| EG (1) | EG25460A (en) |
| ES (1) | ES2424978T3 (en) |
| IL (1) | IL204135A (en) |
| MA (1) | MA31891B1 (en) |
| MX (1) | MX2010003676A (en) |
| RU (1) | RU2481157C2 (en) |
| UA (1) | UA98512C2 (en) |
| WO (1) | WO2009050142A1 (en) |
| ZA (1) | ZA201001730B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010086333A3 (en) * | 2009-01-27 | 2010-10-14 | Neuman & Esser Gmbh Mahl- Und Sichtsysteme | Pendulum mill |
| DE102009012353C5 (en) * | 2009-03-09 | 2013-08-22 | ThyssenKrupp Resource Technologies AG | roller mill |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2009277431B2 (en) * | 2008-07-30 | 2014-06-12 | Flsmidth A/S | Roller mill with application of gas |
| CN102198414A (en) * | 2011-04-02 | 2011-09-28 | 中国重型机械研究院有限公司 | Wheel mill |
| CN102266805A (en) * | 2011-08-03 | 2011-12-07 | 唐智广 | Roll shaft for preventing dust from incoming |
| CN102284322B (en) * | 2011-08-16 | 2012-09-05 | 天津苏美尔环保投资有限公司 | Vertical roller mill |
| FI126181B (en) * | 2012-01-03 | 2016-07-29 | Metso Minerals Inc | Using rotary crushing elements |
| DE102012101489B4 (en) * | 2012-02-24 | 2016-04-28 | Thyssenkrupp Industrial Solutions Ag | Vertical roller mill and method of operating a vertical roller mill |
| CN102646599B (en) | 2012-04-09 | 2014-11-26 | 北京大学 | Preparation method of FinFET (Fin Field Effect Transistor) in large-scale integration circuit |
| DE102012107043B4 (en) * | 2012-08-01 | 2017-08-17 | Thyssenkrupp Industrial Solutions Ag | Roller mill and method for comminuting regrind with a roller mill |
| RU2541688C1 (en) * | 2013-09-10 | 2015-02-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ФГБОУ ВПО "КубГТУ") | Disintegrator |
| US12420287B2 (en) | 2023-02-16 | 2025-09-23 | Metso Usa Inc. | Eddy current brake for a crusher |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR485149A (en) * | 1916-08-26 | 1917-12-13 | Georges Pelerin | Cyclops crusher with vertical rotating wheels and rotating tank with continuous and automatic discharge for the wet treatment of stony and difficult to work clays |
| GB601299A (en) * | 1945-11-29 | 1948-05-03 | Clayton Goodfellow And Company | Improvements relating to grinding mills |
| DE10305915A1 (en) * | 2003-02-13 | 2004-08-26 | Alstom Power Boiler Gmbh | Rolling mill for e.g. dig-damp hard coal, includes driver with a ring engine that is concentric to a hollow shaft which in turn directly propels a meal plate, the shaft connected with a rotor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1957580A1 (en) * | 1969-11-15 | 1972-01-05 | Pfeiffer Barbarossawerke | Mill drive |
| SU871818A1 (en) * | 1979-08-31 | 1981-10-15 | Сызранский турбостроительный завод | Roll mill |
| JPS56155656A (en) * | 1980-05-01 | 1981-12-01 | Kobe Steel Ltd | Roller mill |
| JP3651468B2 (en) * | 2002-12-24 | 2005-05-25 | トヨタ自動車株式会社 | Power output apparatus and control method thereof |
| AU2006264508B2 (en) * | 2005-07-05 | 2010-10-28 | Flsmidth A/S | Roller mill |
-
2008
- 2008-10-13 UA UAA201005710A patent/UA98512C2/en unknown
- 2008-10-13 KR KR1020107008169A patent/KR20100084515A/en not_active Ceased
- 2008-10-13 US US12/682,932 patent/US8109459B2/en not_active Expired - Fee Related
- 2008-10-13 AU AU2008313822A patent/AU2008313822B2/en not_active Ceased
- 2008-10-13 BR BRPI0817778 patent/BRPI0817778A2/en not_active IP Right Cessation
- 2008-10-13 WO PCT/EP2008/063720 patent/WO2009050142A1/en not_active Ceased
- 2008-10-13 MX MX2010003676A patent/MX2010003676A/en active IP Right Grant
- 2008-10-13 JP JP2010529349A patent/JP5485898B2/en not_active Expired - Fee Related
- 2008-10-13 RU RU2010119401/13A patent/RU2481157C2/en not_active IP Right Cessation
- 2008-10-13 CA CA2701614A patent/CA2701614A1/en not_active Abandoned
- 2008-10-13 CN CN200880111854XA patent/CN101861208B/en not_active Expired - Fee Related
- 2008-10-13 ES ES08840054T patent/ES2424978T3/en active Active
- 2008-10-13 EP EP08840054.4A patent/EP2197586B1/en not_active Not-in-force
-
2010
- 2010-02-24 IL IL204135A patent/IL204135A/en not_active IP Right Cessation
- 2010-03-10 ZA ZA2010/01730A patent/ZA201001730B/en unknown
- 2010-04-15 EG EG2010040616A patent/EG25460A/en active
- 2010-05-17 MA MA32848A patent/MA31891B1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR485149A (en) * | 1916-08-26 | 1917-12-13 | Georges Pelerin | Cyclops crusher with vertical rotating wheels and rotating tank with continuous and automatic discharge for the wet treatment of stony and difficult to work clays |
| GB601299A (en) * | 1945-11-29 | 1948-05-03 | Clayton Goodfellow And Company | Improvements relating to grinding mills |
| DE10305915A1 (en) * | 2003-02-13 | 2004-08-26 | Alstom Power Boiler Gmbh | Rolling mill for e.g. dig-damp hard coal, includes driver with a ring engine that is concentric to a hollow shaft which in turn directly propels a meal plate, the shaft connected with a rotor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010086333A3 (en) * | 2009-01-27 | 2010-10-14 | Neuman & Esser Gmbh Mahl- Und Sichtsysteme | Pendulum mill |
| DE102009012353C5 (en) * | 2009-03-09 | 2013-08-22 | ThyssenKrupp Resource Technologies AG | roller mill |
| EP2242583B2 (en) † | 2009-03-09 | 2014-06-25 | ThyssenKrupp Resource Technologies GmbH | Roller mill |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA201001730B (en) | 2010-11-24 |
| US8109459B2 (en) | 2012-02-07 |
| MX2010003676A (en) | 2010-04-27 |
| ES2424978T3 (en) | 2013-10-10 |
| RU2010119401A (en) | 2011-11-27 |
| MA31891B1 (en) | 2010-12-01 |
| EG25460A (en) | 2012-01-10 |
| JP2011500312A (en) | 2011-01-06 |
| IL204135A (en) | 2013-04-30 |
| KR20100084515A (en) | 2010-07-26 |
| EP2197586A1 (en) | 2010-06-23 |
| AU2008313822A1 (en) | 2009-04-23 |
| JP5485898B2 (en) | 2014-05-07 |
| UA98512C2 (en) | 2012-05-25 |
| CA2701614A1 (en) | 2009-04-23 |
| CN101861208B (en) | 2012-07-18 |
| US20100219276A1 (en) | 2010-09-02 |
| CN101861208A (en) | 2010-10-13 |
| EP2197586B1 (en) | 2013-05-22 |
| BRPI0817778A2 (en) | 2015-03-24 |
| AU2008313822B2 (en) | 2013-05-02 |
| RU2481157C2 (en) | 2013-05-10 |
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