NL177611C - IMMERSION LANCE FOR BRINGING POWDER-SOLIDS INTO A METAL BATH BY GAS. - Google Patents

IMMERSION LANCE FOR BRINGING POWDER-SOLIDS INTO A METAL BATH BY GAS.

Info

Publication number: NL177611C
Authority: NL; Netherlands
Prior art keywords: solids; gas; metal bath; immersion lance; bringing powder
Prior art date: 1977-02-26

Application number

NLAANVRAGE7801948,A

Other languages

Dutch (nl)

Other versions

NL177611B (en

NL7801948A (en

Original Assignee

Krupp Ag Huettenwerke

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.)

1977-02-26

Filing date

1978-02-21

Publication date

1985-10-16

1978-02-21 Application filed by Krupp Ag Huettenwerke filed Critical Krupp Ag Huettenwerke

1978-08-29 Publication of NL7801948A publication Critical patent/NL7801948A/en

1985-05-17 Publication of NL177611B publication Critical patent/NL177611B/en

1985-10-16 Application granted granted Critical

1985-10-16 Publication of NL177611C publication Critical patent/NL177611C/en

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
- C21C5/4613—Refractory coated lances; Immersion lances
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Treatment Of Steel In Its Molten State (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Furnace Charging Or Discharging (AREA)

NLAANVRAGE7801948,A 1977-02-26 1978-02-21 IMMERSION LANCE FOR BRINGING POWDER-SOLIDS INTO A METAL BATH BY GAS. NL177611C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2708410A DE2708410C2 (en)	1977-02-26	1977-02-26	Diving lance

Publications (3)

Publication Number	Publication Date
NL7801948A NL7801948A (en)	1978-08-29
NL177611B NL177611B (en)	1985-05-17
NL177611C true NL177611C (en)	1985-10-16

Family

ID=6002241

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7801948,A NL177611C (en)	1977-02-26	1978-02-21	IMMERSION LANCE FOR BRINGING POWDER-SOLIDS INTO A METAL BATH BY GAS.

Country Status (8)

Country	Link
BE (1)	BE863756A (en)
DE (1)	DE2708410C2 (en)
FR (1)	FR2381830A1 (en)
GB (1)	GB1579522A (en)
IT (1)	IT1092840B (en)
LU (1)	LU79110A1 (en)
NL (1)	NL177611C (en)
SE (1)	SE426505B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1980001923A1 (en) *	1979-03-16	1980-09-18	Hoeganaes Ab	Refractory lining for a metal pipe
DE2912195C2 (en) *	1979-03-28	1986-04-30	Mannesmann AG, 4000 Düsseldorf	Desulfurization lance
DE3322556A1 (en) *	1983-06-23	1985-01-10	Didier-Werke Ag, 6200 Wiesbaden	Lance for blowing fluidised materials into molten metal
AUPQ783100A0 (en) *	2000-05-30	2000-06-22	Technological Resources Pty Limited	Apparatus for injecting solid particulate material into a vessel

1977
- 1977-02-26 DE DE2708410A patent/DE2708410C2/en not_active Expired
1978
- 1978-02-03 GB GB4529/78A patent/GB1579522A/en not_active Expired
- 1978-02-08 BE BE184994A patent/BE863756A/en not_active IP Right Cessation
- 1978-02-21 NL NLAANVRAGE7801948,A patent/NL177611C/en not_active IP Right Cessation
- 1978-02-21 SE SE7801992A patent/SE426505B/en not_active IP Right Cessation
- 1978-02-23 FR FR7805235A patent/FR2381830A1/en active Granted
- 1978-02-23 LU LU79110A patent/LU79110A1/en unknown
- 1978-02-24 IT IT20597/78A patent/IT1092840B/en active

Also Published As

Publication number	Publication date
BE863756A (en)	1978-05-29
SE7801992L (en)	1978-08-27
NL177611B (en)	1985-05-17
NL7801948A (en)	1978-08-29
LU79110A1 (en)	1978-06-27
DE2708410C2 (en)	1979-04-19
GB1579522A (en)	1980-11-19
FR2381830A1 (en)	1978-09-22
IT7820597A0 (en)	1978-02-24
FR2381830B3 (en)	1980-11-28
SE426505B (en)	1983-01-24
IT1092840B (en)	1985-07-12
DE2708410B1 (en)	1978-08-24

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Legal Events

Date	Code	Title
1980-01-25	BA	A request for search or an international-type search has been filed
1982-02-01	BB	A search report has been drawn up
1982-04-01	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1994-10-17	V1	Lapsed because of non-payment of the annual fee