RU96105709A - METHOD AND DEVICE FOR REPLACING THE ATMOSPHERE IN A CAPPER FURNACE FOR ANNEALING - Google Patents
METHOD AND DEVICE FOR REPLACING THE ATMOSPHERE IN A CAPPER FURNACE FOR ANNEALINGInfo
- Publication number
- RU96105709A RU96105709A RU96105709/02A RU96105709A RU96105709A RU 96105709 A RU96105709 A RU 96105709A RU 96105709/02 A RU96105709/02 A RU 96105709/02A RU 96105709 A RU96105709 A RU 96105709A RU 96105709 A RU96105709 A RU 96105709A
- Authority
- RU
- Russia
- Prior art keywords
- gas
- nozzle
- annealed material
- bell
- furnace
- Prior art date
Links
- 238000000137 annealing Methods 0.000 title claims 9
- 239000000463 material Substances 0.000 claims 8
- 239000000203 mixture Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Claims (9)
при этом Vf - свободный объем печи в литрах;
MA - молекулярный вес промываемого газа в г/мол.1. A method of replacing the atmosphere in a bell furnace for annealing, wherein fresh gas is supplied from below to the furnace and the formed gas mixture is discharged from below from the furnace, characterized in that the fresh gas is supplied in the form of an upward directed jet at high speed through an upstream channel and that for jet velocity determination using the following formula:
wherein V f is the free volume of the furnace in liters;
M A is the molecular weight of the gas being washed in g / mol.
A - поперечное сечение входного отверстия для свежего газа в м2;
К - коэффициент со значением ≥ 1, преимущественно 6.P S is the density of fresh gas in g / m 3 (data are valid under normal gas conditions);
A is the cross section of the inlet for fresh gas in m 2 ;
K is a coefficient with a value of ≥ 1, mainly 6.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4327975A DE4327975A1 (en) | 1993-08-19 | 1993-08-19 | Method and device for exchanging the atmosphere in a bell annealer |
DEP4327975.9 | 1993-08-19 | ||
PCT/EP1994/002619 WO1995005487A1 (en) | 1993-08-19 | 1994-08-06 | Process and device for exchanging the atmosphere in a hood type annealing furnace |
Publications (2)
Publication Number | Publication Date |
---|---|
RU96105709A true RU96105709A (en) | 1998-05-27 |
RU2127325C1 RU2127325C1 (en) | 1999-03-10 |
Family
ID=6495599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU96105709A RU2127325C1 (en) | 1993-08-19 | 1994-08-06 | Method and device for replacement of atmosphere of bell-type furnace for annealing |
Country Status (7)
Country | Link |
---|---|
US (1) | US5730930A (en) |
EP (1) | EP0714452B1 (en) |
CN (1) | CN1043058C (en) |
AT (1) | ATE175725T1 (en) |
DE (2) | DE4327975A1 (en) |
RU (1) | RU2127325C1 (en) |
WO (1) | WO1995005487A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT411904B (en) * | 2003-03-24 | 2004-07-26 | Ebner Ind Ofenbau | Batch-type annealing furnace for annealing steel strip or wire bundles has a protective hood positioned over an annular flange in a gas-tight manner with a heat exchanger lying above the flange |
US20090065108A1 (en) * | 2006-02-06 | 2009-03-12 | Hyradix, Inc | Integrated Reformer and Batch Annealing Processes and Apparatus Therefor |
AT505663B1 (en) * | 2007-10-11 | 2009-03-15 | Ebner Ind Ofenbau | HOUSING HOLES FOR THE HEAT TREATMENT OF REFRIGERATION BOXES |
AT507423B1 (en) * | 2009-03-25 | 2010-05-15 | Ebner Ind Ofenbau | PROCESS FOR PREHEATING GLOWING IN A BROWN GLOW SYSTEM |
RU2458154C1 (en) * | 2011-03-14 | 2012-08-10 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Annealing method of mild steel rolled at textured rolls |
CN106424195A (en) * | 2016-12-01 | 2017-02-22 | 浙江东南金属薄板有限公司 | Cold-rolling strip steel production process |
CN110394117A (en) * | 2019-08-29 | 2019-11-01 | 海盐盛信标准件有限公司 | A kind of annealing atmosphere mixing arrangement of high-strength bolt |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2998236A (en) * | 1956-07-16 | 1961-08-29 | Cramer Hans | Method of annealing in bell furnaces |
GB878500A (en) * | 1957-02-13 | 1961-10-04 | Lee Wilson | Apparatus for annealing strip metals |
DE1145988B (en) * | 1959-01-16 | 1963-03-21 | Iawistraiaofenbau Ges M B H | Furnace system for firing ceramic goods mixed with combustible fillers |
FR1388102A (en) * | 1963-12-28 | 1965-02-05 | Armco Steel Corp | Decarburization of steel coils |
BE679856A (en) * | 1965-05-06 | 1966-10-03 | ||
US3540710A (en) * | 1967-12-14 | 1970-11-17 | Tokyo Gas Co Ltd | Gas annealing furnace |
US3554511A (en) * | 1969-01-13 | 1971-01-12 | Bethlehem Steel Corp | E furnace |
GB1390238A (en) * | 1972-04-06 | 1975-04-09 | Wellman Incandescent Furn Co | Coil annealing furnaces |
DE8023715U1 (en) * | 1980-09-05 | 1980-11-27 | Btf-Edelstahlverarbeitung Gmbh & Co Kg, 5928 Laasphe | GAS PIPE FOR GLUEHOEFEN |
US4502671A (en) * | 1982-10-30 | 1985-03-05 | Nippon Steel Corporation | Batch annealing apparatus |
US4596526A (en) * | 1985-03-04 | 1986-06-24 | Worthington Industries, Inc. | Batch coil annealing furnace and method |
US4696526A (en) * | 1985-07-26 | 1987-09-29 | Intel Corporation | Carrier for tape automated bonded semiconductor device |
US4846675A (en) * | 1987-06-01 | 1989-07-11 | Worthington Industries, Inc. | Annealing furnace |
DE3720251C1 (en) * | 1987-06-19 | 1988-03-24 | H-Peter Prof Charles | Method for cleaning the off-gases from the annealing chamber (carburizing chamber, case-hardening chamber) of annealing installations in the steel industry |
US4867675A (en) * | 1988-06-15 | 1989-09-19 | Blackman Calvin C | Method and apparatus for quickly purging atmosphere gas from bell furnace |
SU1723427A1 (en) * | 1990-07-10 | 1992-03-30 | Новолипецкий металлургический комбинат им.Ю.В.Андропова | Belt-type furnace for annealing metal in webs |
US5112030A (en) * | 1990-10-01 | 1992-05-12 | Daidousanso Co., Ltd. | Heat treat furnace for fluorinating steel material |
US5380378A (en) * | 1993-04-23 | 1995-01-10 | Gas Research Institute | Method and apparatus for batch coil annealing metal strip |
-
1993
- 1993-08-19 DE DE4327975A patent/DE4327975A1/en not_active Withdrawn
-
1994
- 1994-08-06 US US08/571,825 patent/US5730930A/en not_active Expired - Lifetime
- 1994-08-06 CN CN94193104A patent/CN1043058C/en not_active Expired - Lifetime
- 1994-08-06 DE DE59407661T patent/DE59407661D1/en not_active Expired - Lifetime
- 1994-08-06 RU RU96105709A patent/RU2127325C1/en active
- 1994-08-06 EP EP94926826A patent/EP0714452B1/en not_active Expired - Lifetime
- 1994-08-06 WO PCT/EP1994/002619 patent/WO1995005487A1/en active IP Right Grant
- 1994-08-06 AT AT94926826T patent/ATE175725T1/en active
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