EP0289965A3 - Vorrichtung zur Änderung der Querschnittsfläche einer pneumatischen Förderleitung und Anwendung zur Einspritzung von festen Brennstoffen in einen Schachtofen - Google Patents

Vorrichtung zur Änderung der Querschnittsfläche einer pneumatischen Förderleitung und Anwendung zur Einspritzung von festen Brennstoffen in einen Schachtofen Download PDF

Info

Publication number: EP0289965A3
Authority: EP; European Patent Office
Prior art keywords: modifying; injection; cross; sectional area; shaft furnace
Prior art date: 1987-05-07
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP88106959A

Other languages

English (en)

French (fr)

Other versions

EP0289965A2 (de

Inventor

Louis Schmit

Radomir Andonov

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.)

Paul Wurth SA

Original Assignee

Paul Wurth SA

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.)

1987-05-07

Filing date

1988-04-30

Publication date

1989-06-28

1988-04-30 Application filed by Paul Wurth SA filed Critical Paul Wurth SA

1988-11-09 Publication of EP0289965A2 publication Critical patent/EP0289965A2/de

1989-06-28 Publication of EP0289965A3 publication Critical patent/EP0289965A3/de

Status Withdrawn legal-status Critical Current

Links

238000002347 injection Methods 0.000 title 1
239000007924 injection Substances 0.000 title 1
239000004449 solid propellant Substances 0.000 title 1
230000002093 peripheral effect Effects 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
- C21B5/003—Injection of pulverulent coal
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/02—Pneumatic feeding arrangements, i.e. by air blast

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Air Transport Of Granular Materials (AREA)
Feeding And Controlling Fuel (AREA)
Manufacture Of Iron (AREA)

EP88106959A 1987-05-07 1988-04-30 Vorrichtung zur Änderung der Querschnittsfläche einer pneumatischen Förderleitung und Anwendung zur Einspritzung von festen Brennstoffen in einen Schachtofen Withdrawn EP0289965A3 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
LU86870		1987-05-07
LU86870A LU86870A1 (fr)	1987-05-07	1987-05-07	Dispositif de modification de la section d'une conduite de transport pneumatique et application a l'injection de combustibles solides dans un four a cuve

Publications (2)

Publication Number	Publication Date
EP0289965A2 EP0289965A2 (de)	1988-11-09
EP0289965A3 true EP0289965A3 (de)	1989-06-28

Family

ID=19730917

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP88106959A Withdrawn EP0289965A3 (de)	1987-05-07	1988-04-30	Vorrichtung zur Änderung der Querschnittsfläche einer pneumatischen Förderleitung und Anwendung zur Einspritzung von festen Brennstoffen in einen Schachtofen

Country Status (6)

Country	Link
EP (1)	EP0289965A3 (de)
JP (1)	JPS63311018A (de)
AU (1)	AU1479588A (de)
BR (1)	BR8802363A (de)
LU (1)	LU86870A1 (de)
ZA (1)	ZA882781B (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE944579C (de) *	1950-05-12	1956-06-21	Steinmueller Gmbh L & C	Feuerungsanlage mit Brennstoff-Blasaufgabe
GB1364049A (en) *	1970-07-24	1974-08-21	Demurger Cie Ets	Sawing method
GB2056027A (en) *	1979-08-09	1981-03-11	Bougainville Copper Ltd	A Valve
EP0108319A2 (de) *	1982-11-10	1984-05-16	Paul Wurth S.A.	Vorrichtung zum Eintragen von dosierten Mengen von körnigen Feststoffen in ein pneumatisches Treibfluidum und Anwendung zum Einbringen fester Brennstoffe in einen Schachtofen

1987
- 1987-05-07 LU LU86870A patent/LU86870A1/fr unknown
1988
- 1988-04-20 AU AU14795/88A patent/AU1479588A/en not_active Abandoned
- 1988-04-20 ZA ZA882781A patent/ZA882781B/xx unknown
- 1988-04-30 EP EP88106959A patent/EP0289965A3/de not_active Withdrawn
- 1988-05-02 JP JP63109868A patent/JPS63311018A/ja active Pending
- 1988-05-06 BR BR8802363A patent/BR8802363A/pt unknown

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE944579C (de) *	1950-05-12	1956-06-21	Steinmueller Gmbh L & C	Feuerungsanlage mit Brennstoff-Blasaufgabe
GB1364049A (en) *	1970-07-24	1974-08-21	Demurger Cie Ets	Sawing method
GB2056027A (en) *	1979-08-09	1981-03-11	Bougainville Copper Ltd	A Valve
EP0108319A2 (de) *	1982-11-10	1984-05-16	Paul Wurth S.A.	Vorrichtung zum Eintragen von dosierten Mengen von körnigen Feststoffen in ein pneumatisches Treibfluidum und Anwendung zum Einbringen fester Brennstoffe in einen Schachtofen

Also Published As

Publication number	Publication date
ZA882781B (en)	1988-10-20
JPS63311018A (ja)	1988-12-19
AU1479588A (en)	1988-11-10
EP0289965A2 (de)	1988-11-09
LU86870A1 (fr)	1989-01-19
BR8802363A (pt)	1988-12-13

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Legal Events

Date	Code	Title	Description
1988-09-24	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1988-11-09	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): BE DE ES FR GB IT
1989-05-08	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1989-06-28	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE DE ES FR GB IT
1990-01-03	17P	Request for examination filed	Effective date: 19891106
1990-05-02	17Q	First examination report despatched	Effective date: 19900314
1990-11-27	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1991-01-16	18D	Application deemed to be withdrawn	Effective date: 19900725