JPS6439328A - Production of reduced chromium pellet - Google Patents
Production of reduced chromium pelletInfo
- Publication number
- JPS6439328A JPS6439328A JP19453987A JP19453987A JPS6439328A JP S6439328 A JPS6439328 A JP S6439328A JP 19453987 A JP19453987 A JP 19453987A JP 19453987 A JP19453987 A JP 19453987A JP S6439328 A JPS6439328 A JP S6439328A
- Authority
- JP
- Japan
- Prior art keywords
- pellets
- water
- reduced chromium
- reduced
- chromium
- 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.)
- Granted
Links
Abstract
PURPOSE:To prevent the reoxidation of reduced chromium pellets and to improve the handling characteristic thereof by subjecting the high-temp. reduced chromium pellets which are discharged after particulate chromium ore are reduced in a rotary kiln to water cooling under the adjustment of water cooling time. CONSTITUTION:The reduced chromium pellets 5 obtd. by reducing the particulate chromium ore in the rotary kiln 1 are discharged via a chute 4 to a rotary cooler 30 where the pellets are cooled. The cooled pellets are taken out of the cooler. The cooling water fed by a pump 6 is supplied from spray nozzles 3 to the chute 4 to form water films and to cool the above-mentioned pellets 5 in the process for production of the above-mentioned reduced chromium pellets. The flow rate of the cooling water is controlled by a flow meter 7, a control valve 8 and a distribution valve 9 to adjust the water cooling time at this time. The reduced chromium pellets 5 are thereby sufficiently cooled during the passage through the cooler 30, by which the reoxidation thereof is prevented. In addition, the water sticking to the pellets is evaporated and removed by recuperation heat, by which the degradation in the handling characteristic thereof is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19453987A JPS6439328A (en) | 1987-08-05 | 1987-08-05 | Production of reduced chromium pellet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19453987A JPS6439328A (en) | 1987-08-05 | 1987-08-05 | Production of reduced chromium pellet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6439328A true JPS6439328A (en) | 1989-02-09 |
| JPH046772B2 JPH046772B2 (en) | 1992-02-06 |
Family
ID=16326215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19453987A Granted JPS6439328A (en) | 1987-08-05 | 1987-08-05 | Production of reduced chromium pellet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6439328A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2348351A1 (en) | 2004-07-14 | 2011-07-27 | Sharp Kabushiki Kaisha | Active matrix substrate and drive circuit thereof |
| CN107881283A (en) * | 2017-11-21 | 2018-04-06 | 江苏省冶金设计院有限公司 | A kind of rotary hearth furnace |
| JP2020045516A (en) * | 2018-09-18 | 2020-03-26 | 住友金属鉱山株式会社 | Method for smelting oxide ore |
-
1987
- 1987-08-05 JP JP19453987A patent/JPS6439328A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2348351A1 (en) | 2004-07-14 | 2011-07-27 | Sharp Kabushiki Kaisha | Active matrix substrate and drive circuit thereof |
| CN107881283A (en) * | 2017-11-21 | 2018-04-06 | 江苏省冶金设计院有限公司 | A kind of rotary hearth furnace |
| JP2020045516A (en) * | 2018-09-18 | 2020-03-26 | 住友金属鉱山株式会社 | Method for smelting oxide ore |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH046772B2 (en) | 1992-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |