FR2028397A1 - - Google Patents
Info
- Publication number
- FR2028397A1 FR2028397A1 FR7001385A FR7001385A FR2028397A1 FR 2028397 A1 FR2028397 A1 FR 2028397A1 FR 7001385 A FR7001385 A FR 7001385A FR 7001385 A FR7001385 A FR 7001385A FR 2028397 A1 FR2028397 A1 FR 2028397A1
- Authority
- FR
- France
- 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- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
- F27B7/24—Seals between rotary and stationary parts
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/2016—Arrangements of preheating devices for the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
- F27D99/0035—Heating indirectly through a radiant surface
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Furnace Details (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79145469A | 1969-01-15 | 1969-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2028397A1 true FR2028397A1 (fr) | 1970-10-09 |
Family
ID=25153783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7001385A Withdrawn FR2028397A1 (fr) | 1969-01-15 | 1970-01-15 |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5016726B1 (fr) |
AT (1) | AT301192B (fr) |
BE (1) | BE744489A (fr) |
CA (1) | CA922521A (fr) |
DE (1) | DE2001592C3 (fr) |
DK (1) | DK152298C (fr) |
FR (1) | FR2028397A1 (fr) |
GB (1) | GB1291974A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110655341B (zh) * | 2019-11-01 | 2023-10-13 | 中铁工程装备集团有限公司 | 一种提高钢渣化学活性的***及方法 |
JP2021167460A (ja) * | 2020-04-13 | 2021-10-21 | 住友金属鉱山株式会社 | 酸化鉱石の製錬方法 |
CN112547277B (zh) * | 2020-10-26 | 2023-08-01 | 克拉玛依东方国源环保科技有限公司 | 一种再生砌筑砂浆和混凝土生产方法及装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE420041C (de) * | 1923-05-12 | 1925-10-14 | Patentaktiebolaget Groendal Ra | Laengsunterteilter Trommelofen |
GB275222A (en) * | 1926-07-27 | 1928-01-12 | Albert Fritz Meyerhofer | Improvements in and relating to furnaces |
US2007121A (en) * | 1933-02-15 | 1935-07-02 | Johannsen Friedrich | Roasting furnace |
DE1922985U (de) * | 1965-06-30 | 1965-09-02 | Benno Schilde Maschb A G | Drehtrommel zum entwaessern von gips-doppelhydrat. |
-
1969
- 1969-07-24 CA CA057871A patent/CA922521A/en not_active Expired
-
1970
- 1970-01-13 DK DK12670A patent/DK152298C/da active
- 1970-01-14 GB GB184670A patent/GB1291974A/en not_active Expired
- 1970-01-15 FR FR7001385A patent/FR2028397A1/fr not_active Withdrawn
- 1970-01-15 BE BE744489D patent/BE744489A/fr not_active IP Right Cessation
- 1970-01-15 AT AT36670A patent/AT301192B/de not_active IP Right Cessation
- 1970-01-15 DE DE19702001592 patent/DE2001592C3/de not_active Expired
- 1970-01-16 JP JP437870A patent/JPS5016726B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5016726B1 (fr) | 1975-06-16 |
BE744489A (fr) | 1970-07-15 |
CA922521A (en) | 1973-03-13 |
DE2001592B2 (de) | 1979-07-26 |
DK152298B (da) | 1988-02-15 |
AT301192B (de) | 1972-08-25 |
DE2001592C3 (de) | 1980-03-27 |
DE2001592A1 (de) | 1970-07-23 |
DK152298C (da) | 1988-07-11 |
GB1291974A (en) | 1972-10-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |