JPH0372126B2 - - Google Patents
Info
- Publication number
- JPH0372126B2 JPH0372126B2 JP22535586A JP22535586A JPH0372126B2 JP H0372126 B2 JPH0372126 B2 JP H0372126B2 JP 22535586 A JP22535586 A JP 22535586A JP 22535586 A JP22535586 A JP 22535586A JP H0372126 B2 JPH0372126 B2 JP H0372126B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- pipe
- tuyere
- sec
- blowing
- 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
- 239000000843 powder Substances 0.000 claims description 85
- 238000007664 blowing Methods 0.000 claims description 36
- 239000012159 carrier gas Substances 0.000 claims description 21
- 238000009792 diffusion process Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 19
- 238000002474 experimental method Methods 0.000 description 8
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- -1 iron ore Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60-282538 | 1985-12-16 | ||
| JP28253885 | 1985-12-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62228419A JPS62228419A (ja) | 1987-10-07 |
| JPH0372126B2 true JPH0372126B2 (en]) | 1991-11-15 |
Family
ID=17653765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22535586A Granted JPS62228419A (ja) | 1985-12-16 | 1986-09-24 | 竪型炉への粉体供給装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62228419A (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7076192B2 (en) * | 2002-12-27 | 2006-07-11 | Ricoh Company, Ltd. | Powder conveying device and image forming apparatus using the same |
-
1986
- 1986-09-24 JP JP22535586A patent/JPS62228419A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62228419A (ja) | 1987-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |