GB2117667B - Coal-milling plant with grit recirculation and separation of pyrite and mine-waste - Google Patents

Coal-milling plant with grit recirculation and separation of pyrite and mine-waste

Info

Publication number: GB2117667B
Authority: GB; United Kingdom
Prior art keywords: pyrite; grit; recirculation; mine; coal
Prior art date: 1982-01-23
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.): Expired

Application number

GB08300189A

Other versions

GB2117667A (en

GB8300189D0 (en

Inventor

Werner Sauerland

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.)

Steag GmbH

Original Assignee

Steag GmbH

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.)

1982-01-23

Filing date

1983-01-05

Publication date

1985-08-14

1983-01-05 Application filed by Steag GmbH filed Critical Steag GmbH

1983-02-09 Publication of GB8300189D0 publication Critical patent/GB8300189D0/en

1983-10-19 Publication of GB2117667A publication Critical patent/GB2117667A/en

1985-08-14 Application granted granted Critical

1985-08-14 Publication of GB2117667B publication Critical patent/GB2117667B/en

Status Expired legal-status Critical Current

Links

238000003801 milling Methods 0.000 title 1
NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 title 1
229910052683 pyrite Inorganic materials 0.000 title 1
239000011028 pyrite Substances 0.000 title 1
238000000926 separation method Methods 0.000 title 1
239000002699 waste material Substances 0.000 title 1

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
- B02C15/007—Mills with rollers pressed against a rotary horizontal disc
- 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

Landscapes

Engineering & Computer Science (AREA)
Food Science & Technology (AREA)
Combined Means For Separation Of Solids (AREA)
Disintegrating Or Milling (AREA)
Solid Fuels And Fuel-Associated Substances (AREA)
Crushing And Pulverization Processes (AREA)
Crushing And Grinding (AREA)

GB08300189A 1982-01-23 1983-01-05 Coal-milling plant with grit recirculation and separation of pyrite and mine-waste Expired GB2117667B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19823202054 DE3202054A1 (en)	1982-01-23	1982-01-23	CARBON MILLING SYSTEM WITH SPRINKLE RETURN AND SEPARATION FROM PYRITE AND MOUNTAINS

Publications (3)

Publication Number	Publication Date
GB8300189D0 GB8300189D0 (en)	1983-02-09
GB2117667A GB2117667A (en)	1983-10-19
GB2117667B true GB2117667B (en)	1985-08-14

Family

ID=6153711

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08300189A Expired GB2117667B (en)	1982-01-23	1983-01-05	Coal-milling plant with grit recirculation and separation of pyrite and mine-waste

Country Status (3)

Country	Link
DE (1)	DE3202054A1 (en)
GB (1)	GB2117667B (en)
ZA (1)	ZA829402B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3717976A1 (en) *	1987-05-27	1988-12-08	Krupp Polysius Ag	METHOD AND SYSTEM FOR CRUSHING GROUND MATERIAL
DE4005031C1 (en) *	1990-02-19	1991-08-08	Loesche Gmbh, 4000 Duesseldorf, De	Dynamic wind sifter for roller mill - has central, restricted riser for air material mixt. flow with downwards deflection in top region of sifter rotor
US5275631A (en) *	1992-08-17	1994-01-04	Brown Charles K	Coal pulverizer purifier classifier
DE4323587C2 (en) *	1993-07-14	1996-07-18	Loesche Gmbh	Method and device for crushing material of different grain sizes
AU6996200A (en) *	1999-09-14	2001-04-17	F.L. Smidth & Co A/S	Method and apparatus for grinding of particulate material
US6820829B1 (en) *	2000-02-25	2004-11-23	Exportech Company, Inc.	Method and apparatus for separating material
US6543709B2 (en)	2001-01-12	2003-04-08	Hosokawa Micron Powder Systems	Gravity flow air classifying mill
DE102005023950B4 (en) *	2005-05-20	2007-08-02	Omya Gmbh	Plant for the production of disperse mineral products
CN102580822B (en) *	2012-03-12	2014-10-22	桂林鸿程矿山设备制造有限责任公司	Compound-channel pendulous grinding machine and superfine powder processing system thereof
CN111957394A (en) *	2020-09-04	2020-11-20	西安热工研究院有限公司	Coal chute angle and motor speed double-adjustable fan coal mill
CN113000133B (en) *	2021-03-03	2021-11-23	西安建筑科技大学	Stripping and grinding machine for separating iron particles and silicate minerals in steel slag and using method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE533413C (en) *		1931-09-14	Buettner Werke A G	Stream sifter
GB351129A (en) *	1930-04-08	1931-06-25	Sydney Asline Ward	Improvements in or relating to apparatus for separating or sorting crushed material
FR713291A (en) *	1930-06-23	1931-10-24	Fours Et App Stein	Device for separating solids in suspension in a gas stream
US2909330A (en) *	1954-09-30	1959-10-20	Hardinge Harlowe	Pulverizing mill and process of pulverizing material
US4240586A (en) *	1978-12-21	1980-12-23	Evans Robert F	Method and apparatus for crushing and classifying particulate material

1982
- 1982-01-23 DE DE19823202054 patent/DE3202054A1/en not_active Withdrawn
- 1982-12-22 ZA ZA829402A patent/ZA829402B/en unknown
1983
- 1983-01-05 GB GB08300189A patent/GB2117667B/en not_active Expired

Also Published As

Publication number	Publication date
ZA829402B (en)	1983-12-28
DE3202054A1 (en)	1983-08-04
GB2117667A (en)	1983-10-19
GB8300189D0 (en)	1983-02-09

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Legal Events

Date	Code	Title	Description
1987-08-26	PCNP	Patent ceased through non-payment of renewal fee