JPS5461004A - Sintering method for powdery ore - Google Patents
Sintering method for powdery oreInfo
- Publication number
- JPS5461004A JPS5461004A JP12749077A JP12749077A JPS5461004A JP S5461004 A JPS5461004 A JP S5461004A JP 12749077 A JP12749077 A JP 12749077A JP 12749077 A JP12749077 A JP 12749077A JP S5461004 A JPS5461004 A JP S5461004A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- carbonaceous material
- sintering
- circulation gas
- controlled
- 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.)
- Pending
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
PURPOSE: To decrease the amount of consumption of carbonaceous material without impariring the quality, productivity and economic efficiency of the sintered ore, by using the carbonaceous material in the raw material for sintering in a specified low compounding ration for carbonaceous material and by feeding the exhaust gas to be circulated which has been regulated to a specified exygen concentration and temperature to the sintering machine.
CONSTITUTION: The compounding ratio for carbonaceous material in the raw material for sintering is lowered by the amount corresponding to 0.25W1.7 times of the thermal energy to be supplied to the sintering machine with the circulation gas. Under this low compounding ratio for carbonaceous material, the exhaust gas from plural wind boxes (WB) at the initial stage and final stage is fed to the sintering ing machine by being used while circulating. The oxygen concentration in the circulation gas is measured with the oxygen analyzer 23 and the valves 18 under WB are controlled appropriately so that this value may become 17W19%. Besides, the temperature of the circulation gas is detected with the detector 21 and the valve 19 for the air of high temperature from the cooler 8 for the sintered ore or the valve 20 for taking-in the air of normal temperature is controlled with the temperature controller 22 so that the above temperature may be maintained within the range of 100W 400°C. Besides, by inputting the measured values of both of the oxygen concentration and temperature of the circulation gas to the computer 24, the opening degree of the valves 19 and 20 may be controlled automatically with the computer 24
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12749077A JPS5461004A (en) | 1977-10-26 | 1977-10-26 | Sintering method for powdery ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12749077A JPS5461004A (en) | 1977-10-26 | 1977-10-26 | Sintering method for powdery ore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5461004A true JPS5461004A (en) | 1979-05-17 |
Family
ID=14961234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12749077A Pending JPS5461004A (en) | 1977-10-26 | 1977-10-26 | Sintering method for powdery ore |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5461004A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5476533A (en) * | 1991-10-03 | 1995-12-19 | Metallgesellschaft Aktiengesellschaft | Process for sintering iron oxide-containing materials on a sintering machine |
-
1977
- 1977-10-26 JP JP12749077A patent/JPS5461004A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5476533A (en) * | 1991-10-03 | 1995-12-19 | Metallgesellschaft Aktiengesellschaft | Process for sintering iron oxide-containing materials on a sintering machine |
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