GB1305501A - - Google Patents
Info
- Publication number
- GB1305501A GB1305501A GB1250071A GB1250071A GB1305501A GB 1305501 A GB1305501 A GB 1305501A GB 1250071 A GB1250071 A GB 1250071A GB 1250071 A GB1250071 A GB 1250071A GB 1305501 A GB1305501 A GB 1305501A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blast furnace
- pressure
- reducing gas
- blast
- controller
- Prior art date
- 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
Links
- 239000007789 gas Substances 0.000 abstract 4
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 239000010959 steel Substances 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45045830A JPS4912803B1 (enrdf_load_stackoverflow) | 1970-05-28 | 1970-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1305501A true GB1305501A (enrdf_load_stackoverflow) | 1973-02-07 |
Family
ID=12730136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1250071A Expired GB1305501A (enrdf_load_stackoverflow) | 1970-05-28 | 1971-04-30 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3692293A (enrdf_load_stackoverflow) |
| JP (1) | JPS4912803B1 (enrdf_load_stackoverflow) |
| BE (1) | BE766508A (enrdf_load_stackoverflow) |
| CA (1) | CA972153A (enrdf_load_stackoverflow) |
| FR (1) | FR2090346B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1305501A (enrdf_load_stackoverflow) |
| NL (1) | NL170436C (enrdf_load_stackoverflow) |
| SU (1) | SU407455A3 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2684301B2 (ja) * | 1992-11-12 | 1997-12-03 | ローレルバンクマシン株式会社 | 小切手帳発行機 |
| US5578662A (en) | 1994-07-22 | 1996-11-26 | United States Surgical Corporation | Bioabsorbable branched polymers containing units derived from dioxanone and medical/surgical devices manufactured therefrom |
| CN101519703B (zh) * | 2008-02-26 | 2010-12-08 | 宝山钢铁股份有限公司 | 一种低焦比高炉炼铁工艺 |
-
1970
- 1970-05-28 JP JP45045830A patent/JPS4912803B1/ja active Pending
-
1971
- 1971-04-21 US US136073A patent/US3692293A/en not_active Expired - Lifetime
- 1971-04-30 GB GB1250071A patent/GB1305501A/en not_active Expired
- 1971-04-30 BE BE766508A patent/BE766508A/xx unknown
- 1971-05-24 SU SU1660276A patent/SU407455A3/ru active
- 1971-05-25 NL NLAANVRAGE7107141,A patent/NL170436C/xx not_active IP Right Cessation
- 1971-05-27 FR FR7119357A patent/FR2090346B1/fr not_active Expired
- 1971-05-28 CA CA114,307A patent/CA972153A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SU407455A3 (enrdf_load_stackoverflow) | 1973-11-21 |
| NL170436B (nl) | 1982-06-01 |
| US3692293A (en) | 1972-09-19 |
| FR2090346A1 (enrdf_load_stackoverflow) | 1972-01-14 |
| BE766508A (fr) | 1971-09-16 |
| NL7107141A (enrdf_load_stackoverflow) | 1971-11-30 |
| NL170436C (nl) | 1982-11-01 |
| FR2090346B1 (enrdf_load_stackoverflow) | 1974-10-11 |
| CA972153A (en) | 1975-08-05 |
| JPS4912803B1 (enrdf_load_stackoverflow) | 1974-03-27 |
| DE2120833A1 (de) | 1971-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |