CN102181594A - Wear-resisting blast-furnace tuyere small jacket - Google Patents
Wear-resisting blast-furnace tuyere small jacket Download PDFInfo
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- CN102181594A CN102181594A CN 201110131855 CN201110131855A CN102181594A CN 102181594 A CN102181594 A CN 102181594A CN 201110131855 CN201110131855 CN 201110131855 CN 201110131855 A CN201110131855 A CN 201110131855A CN 102181594 A CN102181594 A CN 102181594A
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Abstract
The invention relates to a blast-furnace tuyere small jacket for ironmaking blast furnace, which improves the service life by improving abrasive resistance and thermal conductivity. The wear-resisting blast-furnace tuyere small jacket comprises a tuyere cap, a tuyere base and a water channel, wherein the tuyere cap is made of copper, inserts are arranged at the front end and the outer wall of the tuyere cap, and a plurality of holes are formed on the inserts, or a plurality of inserts are arranged at the front end and the outer wall of the tuyere cap, and gaps are reserved among the inserts; and the inserts are made of wear-resisting and high-temperature resistant materials. Copper substrates on the peripheries of the inserts play the effect of heat conduction, and the inserts play the effect of wearing resistance, so the service life of the blast-furnace tuyere small jacket is improved.
Description
Technical field
The present invention relates to iron-smelting blast furnace, particularly relate to a kind of blast furnace tuyere small sleeve of iron-smelting blast furnace.
Background technology
Blast furnace tuyere small sleeve is that iron-smelting blast furnace is used to blow and the important process parts of coal powder injection, because of the blast furnace burnt grain of district's high speed rotating and furnace charge wearing and tearing and slag crust inlet front end and the outer wall of wearing and tearing that come off that circle round, tuyere small sleeve is worn and torn fast, the life-span of blast furnace tuyere small sleeve sharply reduces, when blast wandering or slag crust come off, the blast furnace tuyere small sleeve serious wear, use just ground off the copper of its front end 25mm less than 1 month, and blast furnace tuyere small sleeve should use more than 9 months under the normal circumstances, prior art solves the main high nichrome of build-up wear-resistant that relies on of tuyere small sleeve wearing and tearing, but because the overlay cladding thermal conductivity is bad, easily cracks and peels off, result of use is bad, and the life-span is low.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of wear-resisting blast furnace tuyere small sleeve, and it has improved the wear resistance and the thermal conductivity of its front end and outer wall, thus the work-ing life of having improved blast furnace tuyere small sleeve.
A kind of wear-resisting blast furnace tuyere small sleeve of the present invention, comprise air port cap, inlet base and water channel, the material of air port cap is a copper, and the front end and the outer wall of wherein said air port cap are provided with mosaic, offer several holes on the mosaic, mosaic is made by wear-resisting, high temperature material.
A kind of wear-resisting blast furnace tuyere small sleeve of the present invention, being shaped as of the hole on the wherein said mosaic is square or circular.
A kind of wear-resisting blast furnace tuyere small sleeve of the present invention, the degree of depth that wherein said mosaic embeds the copper matrix is 2 millimeters to 12 millimeters; Gap between the hole on the mosaic is 5 millimeters to 50 millimeters, and the inscribed circle diameter in the hole on the mosaic is 2 millimeters to 10 millimeters, all is filled with the copper matrix in each hole.
A kind of wear-resisting blast furnace tuyere small sleeve of the present invention, the material of wherein said mosaic is: aluminium corundum, zircon corundum, silicon carbide, pottery, mullite or Wimet.
A kind of wear-resisting blast furnace tuyere small sleeve of the present invention, wherein said mosaic by embedding casting or cast setting to the cap of air port.
A kind of wear-resisting blast furnace tuyere small sleeve of the present invention, comprise air port cap, inlet base and water channel, the material of air port cap is a copper, and the front end and the outer wall of wherein said air port cap are provided with some mosaics, have the gap between the mosaic, mosaic is made by wear-resisting, high temperature material.
A kind of wear-resisting blast furnace tuyere small sleeve of the present invention, the distribution shape of wherein said mosaic is spumescence or ring-type.
A kind of wear-resisting blast furnace tuyere small sleeve of the present invention, the degree of depth that wherein said mosaic embeds the copper matrix is 2 millimeters to 12 millimeters; Gap between the mosaic is 5 millimeters to 50 millimeters, and its intermediate gap is filled by the copper matrix; The inscribed circle diameter of mosaic is 2 millimeters to 10 millimeters.
A kind of wear-resisting blast furnace tuyere small sleeve of the present invention, the material of wherein said mosaic is: aluminium corundum, zircon corundum, silicon carbide, pottery, mullite or Wimet.
A kind of wear-resisting blast furnace tuyere small sleeve of the present invention, wherein said mosaic by embedding casting or cast setting to the cap of air port.
A kind of wear-resisting blast furnace tuyere small sleeve difference from prior art of the present invention is that the present invention by be provided with wear-resisting, pyritous mosaic on air port cap front end and outer wall, offers several holes on the mosaic; Perhaps on air port cap front end and outer wall, be provided with wear-resisting, the some mosaics of pyritous, have the gap between the mosaic; Because in mosaic or mosaic around the copper matrix play conductive force, mosaic plays wear-resisting effect, thereby improved the work-ing life of blast furnace tuyere small sleeve, through experimental verification, this wear-resisting blast furnace tuyere small sleeve reaches more than 12 months the work-ing life under the wearing and tearing working of a furnace.
Below in conjunction with accompanying drawing a kind of wear-resisting blast furnace tuyere small sleeve of the present invention is described further.
Description of drawings
Fig. 1 looks sectional view for the master of a kind of wear-resisting blast furnace tuyere small sleeve of the present invention;
Fig. 2 is the structural representation (spumescence) of a kind of wear-resisting blast furnace tuyere small sleeve of the present invention;
Fig. 3 is the structural representation (circular hole) of a kind of wear-resisting blast furnace tuyere small sleeve of the present invention;
Fig. 4 is the structural representation (ring-type) of a kind of wear-resisting blast furnace tuyere small sleeve of the present invention;
Fig. 5 is the structural representation (square hole) of a kind of wear-resisting blast furnace tuyere small sleeve of the present invention.
Embodiment
Embodiment 1, as shown in Figure 1 and Figure 2, a kind of wear-resisting blast furnace tuyere small sleeve of the present invention comprises air port cap 1, inlet base 2 and water channel 3, wherein the material of air port cap 1, inlet base 2 is copper, and embedding casting or cast setting have foamed some cylindrical mosaics 4 on the front end of air port cap 1 and the outer wall, and the degree of depth that mosaic 4 embeds the copper matrix is 4 millimeters, gap 5 between the mosaic 4 is 10 millimeters, its intermediate gap is filled by the copper matrix, and the diameter of mosaic 4 is 6 millimeters, and mosaic 4 is made by Wimet.Mosaic 4 can also be made by zircon corundum, silicon carbide, pottery, mullite or aluminium corundum.
Embodiment 4, as shown in Figure 5, embedding casting or cast setting have mosaic 4d on the front end of the air port cap of a kind of wear-resisting blast furnace tuyere small sleeve of the present invention and the outer wall, the degree of depth that mosaic 4d embeds the copper matrix is 2 millimeters, be processed with several length of sides on the mosaic 4b and be 10 millimeters square hole, wherein square hole is a through hole, 6 millimeters in the gap between the square hole, be filled with the copper matrix in the square hole, mosaic 4d is made by Wimet.Mosaic 4d can also be made by zircon corundum, silicon carbide, pottery, mullite or aluminium corundum.
A kind of wear-resisting blast furnace tuyere small sleeve of the present invention in use, the wearing and tearing or circle round district's abrasive wear no matter the slag crust in the blast furnace comes off, the direction of motion of its slag crust or abrasive particle all is basically parallel to blast furnace tuyere small sleeve surface or becomes a less angle with the surface, because the existence of wear-resisting, the resistant to elevated temperatures material of embedding casting, play the dykes and dams effect, make the copper matrix wearing and tearing seldom, and the existence of the copper matrix between wear-resisting, the resistant to elevated temperatures material, can increased thermal conductivity, prevent scaling loss wear-resisting, resistant to elevated temperatures material.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. wear-resisting blast furnace tuyere small sleeve, comprise air port cap (1), inlet base (2) and water channel (3), the material of described air port cap (1) is a copper, it is characterized in that: the front end of described air port cap (1) and outer wall are provided with mosaic (4), mosaic offers several holes on (4), and described mosaic (4) is made by wear-resisting, high temperature material.
2. a kind of wear-resisting blast furnace tuyere small sleeve according to claim 1 is characterized in that: being shaped as of the hole on the described mosaic (4) is square or circular.
3. a kind of wear-resisting blast furnace tuyere small sleeve according to claim 2 is characterized in that: the degree of depth that described mosaic (4) embeds the copper matrix is 2 millimeters to 12 millimeters; Gap between the hole on the described mosaic (4) is 5 millimeters to 50 millimeters, and the inscribed circle diameter in the hole on the described mosaic (4) is 2 millimeters to 10 millimeters, all is filled with the copper matrix in each hole.
4. a kind of wear-resisting blast furnace tuyere small sleeve according to claim 3 is characterized in that: the material of described mosaic (4) is: aluminium corundum, zircon corundum, silicon carbide, pottery, mullite or Wimet.
5. a kind of wear-resisting blast furnace tuyere small sleeve according to claim 4 is characterized in that: described mosaic (4) by embedding casting or cast setting to air port cap (1).
6. wear-resisting blast furnace tuyere small sleeve, comprise air port cap (1), inlet base (2) and water channel (3), the material of described air port cap (1) is a copper, it is characterized in that: the front end of described air port cap (1) and outer wall are provided with some mosaics (4), there is the gap in mosaic between (4), and described mosaic (4) is made by wear-resisting, high temperature material.
7. a kind of wear-resisting blast furnace tuyere small sleeve according to claim 6 is characterized in that: the distribution shape of described mosaic (4) is spumescence or ring-type.
8. a kind of wear-resisting blast furnace tuyere small sleeve according to claim 7 is characterized in that: the degree of depth that described mosaic (4) embeds the copper matrix is 2 millimeters to 12 millimeters; Gap between the described mosaic (4) is 5 millimeters to 50 millimeters, and its intermediate gap is filled by the copper matrix; The inscribed circle diameter of described mosaic (4) is 2 millimeters to 10 millimeters.
9. a kind of wear-resisting blast furnace tuyere small sleeve according to claim 8 is characterized in that: the material of described mosaic (4) is: aluminium corundum, zircon corundum, silicon carbide, pottery, mullite or Wimet.
10. a kind of wear-resisting blast furnace tuyere small sleeve according to claim 9 is characterized in that: described mosaic (4) by embedding casting or cast setting to air port cap (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131855 CN102181594B (en) | 2011-05-20 | 2011-05-20 | Wear-resisting blast-furnace tuyere small jacket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131855 CN102181594B (en) | 2011-05-20 | 2011-05-20 | Wear-resisting blast-furnace tuyere small jacket |
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| Publication Number | Publication Date |
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| CN102181594A true CN102181594A (en) | 2011-09-14 |
| CN102181594B CN102181594B (en) | 2013-07-10 |
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| CN 201110131855 Active CN102181594B (en) | 2011-05-20 | 2011-05-20 | Wear-resisting blast-furnace tuyere small jacket |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102994675A (en) * | 2012-12-11 | 2013-03-27 | 包钢集团设计研究院（有限公司） | Chromium zirconium silver copper tubular tuyere |
| CN103882171A (en) * | 2014-03-25 | 2014-06-25 | 济钢集团有限公司 | Blast furnace tuyere |
| CN105624352A (en) * | 2016-03-15 | 2016-06-01 | 山东钢铁股份有限公司 | Copper and steel combined blast furnace tuyere small sleeve |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2680678Y (en) * | 2004-03-05 | 2005-02-23 | 魏肃宁 | Tuyeres of blast furnace |
| CN201180142Y (en) * | 2008-01-31 | 2009-01-14 | 烟台万隆真空冶金有限公司 | Long-life wind gap for ironmaking blast furnace |
-
2011
- 2011-05-20 CN CN 201110131855 patent/CN102181594B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2680678Y (en) * | 2004-03-05 | 2005-02-23 | 魏肃宁 | Tuyeres of blast furnace |
| CN201180142Y (en) * | 2008-01-31 | 2009-01-14 | 烟台万隆真空冶金有限公司 | Long-life wind gap for ironmaking blast furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102994675A (en) * | 2012-12-11 | 2013-03-27 | 包钢集团设计研究院（有限公司） | Chromium zirconium silver copper tubular tuyere |
| CN103882171A (en) * | 2014-03-25 | 2014-06-25 | 济钢集团有限公司 | Blast furnace tuyere |
| CN105624352A (en) * | 2016-03-15 | 2016-06-01 | 山东钢铁股份有限公司 | Copper and steel combined blast furnace tuyere small sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102181594B (en) | 2013-07-10 |
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Owner name: YANTAI WANLONG VACUUM METALLURGY CO., LTD. Free format text: FORMER NAME: WANLONG VACUUM METALLURGY CO LTD, YANTAI |
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Address after: 264006 No. 7 Zhongshan street, Guangzhou Road, Yantai Development Zone, Shandong, China Patentee after: YANTAI WANLONG VACUUM METALLURGY CO., LTD. Address before: 264006 No. 7 Zhongshan street, Guangzhou Road, Yantai Development Zone, Shandong, China Patentee before: Yantai Wanlong Vacuum Metallurgy Co., Ltd. |
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Denomination of invention: A wear resistant tuyere sleeve for blast furnace Effective date of registration: 20210316 Granted publication date: 20130710 Pledgee: Rizhao bank Limited by Share Ltd. Yantai branch Pledgor: YANTAI WANLONG VACUUM METALLURGY Co.,Ltd. Registration number: Y2021980001706 |
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