CA1311232C - Pulverisateur a table de broyage rotative avec segments d'arrivee d'air remplacables - Google Patents

Pulverisateur a table de broyage rotative avec segments d'arrivee d'air remplacables

Info

Publication number: CA1311232C
Authority: CA; Canada
Prior art keywords: ring; grinding table; segments; air port; housing
Prior art date: 1989-07-20
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 - Fee Related

Application number

CA000613409A

Other languages

English (en)

Inventor

Randall J. Novotny

Ralph L. Cummins

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.)

Foster Wheeler Energy Corp

Original Assignee

Foster Wheeler Energy Corp

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.)

1989-07-20

Filing date

1989-09-27

Publication date

1992-12-08

1989-09-27 Application filed by Foster Wheeler Energy Corp filed Critical Foster Wheeler Energy Corp

1992-12-08 Application granted granted Critical

1992-12-08 Publication of CA1311232C publication Critical patent/CA1311232C/fr

2009-12-08 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000011236 particulate material Substances 0.000 claims abstract description 8
238000010298 pulverizing process Methods 0.000 claims description 8
239000003638 chemical reducing agent Substances 0.000 claims description 2
239000003245 coal Substances 0.000 abstract description 28
230000003628 erosive effect Effects 0.000 abstract description 6
239000000463 material Substances 0.000 description 6
239000002245 particle Substances 0.000 description 4
239000004568 cement Substances 0.000 description 3
238000002485 combustion reaction Methods 0.000 description 3
238000009434 installation Methods 0.000 description 3
238000005266 casting Methods 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
239000000446 fuel Substances 0.000 description 2
238000003466 welding Methods 0.000 description 2
238000012423 maintenance Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 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
- B02C15/001—Air flow directing means positioned on the periphery of the horizontally rotating milling surface

Landscapes

Engineering & Computer Science (AREA)
Food Science & Technology (AREA)
Crushing And Grinding (AREA)
Crushing And Pulverization Processes (AREA)
Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

CA000613409A 1989-07-20 1989-09-27 Pulverisateur a table de broyage rotative avec segments d'arrivee d'air remplacables Expired - Fee Related CA1311232C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US38237489A	1989-07-20	1989-07-20
US382,374		1989-07-20

Publications (1)

Publication Number	Publication Date
CA1311232C true CA1311232C (fr)	1992-12-08

Family

ID=23508682

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000613409A Expired - Fee Related CA1311232C (fr)	1989-07-20	1989-09-27	Pulverisateur a table de broyage rotative avec segments d'arrivee d'air remplacables

Country Status (4)

Country	Link
EP (1)	EP0409498B1 (fr)
JP (1)	JPH0783839B2 (fr)
CA (1)	CA1311232C (fr)
ES (1)	ES2053114T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5127590A (en) *	1991-04-09	1992-07-07	March-Sourthwestern Corp.	Rotating throat/air port ring assembly
US5340041A (en) *	1992-11-25	1994-08-23	The Babcock & Wilcox Company	Welded rotating annular passage segment for coal pulverizers with replaceable vanes and adjustable passage port area
US5605292A (en) *	1995-09-06	1997-02-25	March-Southwestern Corp.	Pulverizer mill high performance classifier system
JP5030430B2 (ja) *	2006-02-07	2012-09-19	三菱重工業株式会社	竪型ローラミル
JP4814127B2 (ja) *	2007-03-13	2011-11-16	象印ベビー株式会社	歩行補助器
GB2458354B (en) *	2008-03-20	2010-03-24	Paul Andrew Comer	Pulveriser mill with port ring
JP5412801B2 (ja) *	2008-11-17	2014-02-12	株式会社Ｉｈｉ	バイオマスミル
CN118988460B (zh) *	2024-09-06	2025-05-06	广西东易新材料有限责任公司	一种耐火材料生产用原料研磨设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4264041A (en) *	1979-09-28	1981-04-28	The Babcock & Wilcox Co.	Low pressure drop pulverizer throat
US4523721A (en) *	1982-12-08	1985-06-18	Combustion Engineering, Inc.	Bowl mill with primary classifier assembly
US4687145A (en) *	1985-12-12	1987-08-18	The Babcock & Wilcox Company	Roll-and-race pulverizer with rotating throat
JPS62160148A (ja) *	1986-01-06	1987-07-16	株式会社神戸製鋼所	ロ−ラミルのノズル構造
JPS62266147A (ja) *	1986-05-13	1987-11-18	株式会社神戸製鋼所	ロ−ラミルのノズル装置
US4752037A (en) *	1987-04-01	1988-06-21	Combustion Engineering, Inc.	Vane wheel assembly for rb mills
DE3822290A1 (de) *	1988-07-01	1990-01-04	Babcock Werke Ag	Walzenschuesselmuehle

1989
- 1989-09-27 CA CA000613409A patent/CA1311232C/fr not_active Expired - Fee Related
1990
- 1990-07-13 EP EP19900307681 patent/EP0409498B1/fr not_active Expired - Lifetime
- 1990-07-13 ES ES90307681T patent/ES2053114T3/es not_active Expired - Lifetime
- 1990-07-19 JP JP2189579A patent/JPH0783839B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JPH0380943A (ja)	1991-04-05
EP0409498B1 (fr)	1994-05-18
ES2053114T3 (es)	1994-07-16
EP0409498A3 (en)	1991-04-17
EP0409498A2 (fr)	1991-01-23
JPH0783839B2 (ja)	1995-09-13

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Legal Events

Date	Code	Title	Description
2007-12-10	MKLA	Lapsed