CN103642960A - Composite liner of iron runner of sialon combined refractory material, and making method thereof - Google Patents
Composite liner of iron runner of sialon combined refractory material, and making method thereof Download PDFInfo
- Publication number
- CN103642960A CN103642960A CN201310584783.8A CN201310584783A CN103642960A CN 103642960 A CN103642960 A CN 103642960A CN 201310584783 A CN201310584783 A CN 201310584783A CN 103642960 A CN103642960 A CN 103642960A
- Authority
- CN
- China
- Prior art keywords
- sialon
- goods
- iron runner
- iron
- lining body
- 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
Images
Landscapes
- Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention belongs to the technical field of iron runners, and concretely relates to a composite liner of an iron runner of a sialon combined refractory material, and a making method thereof. The method comprises the following steps: 1, using clay bricks to build a channel having an opened upper portion; 2, suspending a ditch-shaped sialon product in the channel, and maintaining the top of the sialon flush with the top of the channel; 3, fixing a plastic tube on the outer wall of the sialon product; 4, filling a pouring material to a gap between the sialon product and the clay bricks in order to make the pouring material flush with the top of the channel; and 5, introducing nitrogen to the plastic tube, and maintaining the pouring material in the introduced nitrogen atmosphere at 1400-1500DEG C for 6-12h to form the composite liner of the iron runner. The composite liner of the iron runner of the sialon combined refractory material made in the invention has the characteristics of high purity, strong iron scrap erosion resistance, scouring resistance and the like as an iron runner, and allows the once iron output of a blast furnace iron tap runner to reach above 500,000 tons.
Description
technical field
The invention belongs to iron runner technical field, be specifically related to iron runner composite lining body of a kind of Sialon combined fireproof material and preparation method thereof.
background technology
Blast furnace is the major equipment of ironmaking, and blast furnace iron runner is for many years used frequently.Along with the level raising of intensification of smelting process in BF, to refractory materials lining body requirement enhancing for iron runner.In general, a 1000m
3above blast furnace has two above iron runners, 3000m
3above blast furnace has three or three above iron runners, 4000m
3above blast furnace has 4 iron runners.The strengthening smelting of blast furnace, requires the lining body anti-slag iron aggressiveness of iron runner strong, easy to make, intensity is high, iron influx is large etc.Current iron runner generally adopts mould material with material, and an iron influx is at 100,000 tons-150,000 tons, the needs that do not catch up with intensification of smelting process in BF far away, tap a blast furnace fast.Material how to improve iron runner is a current main direction of studying.
summary of the invention
The object of the present invention is to provide iron runner composite lining body of the Sialon combined fireproof material that a kind of iron influx improves and preparation method thereof.
The present invention is by the following technical solutions:
A making method for the iron runner composite lining body of Sialon combined fireproof material, comprises the following steps: the passage that 1) is built into a ditch shape with clay brick; 2) in passage, hang the Sialon goods of a ditch shape, keep the top of Sialon goods to flush with channel roof; 3) fixed plastics pipe on the outer wall of Sialon goods, plastics tubing import is not less than the top of Sialon goods; 4) to the gap between Sialon goods and clay brick, fill mould material, mould material is flushed with channel roof; 5) in plastics tubing, lead to nitrogen, mould material keeps 6-12h at the temperature of 1400-1500 ℃ simultaneously, forms iron runner composite lining body.
Plastics tubing can arrange one when arranging, and plastics tubing spirals and is distributed on the outer wall of Sialon goods, after filling mould material, keeps the import of plastics tubing outside mould material, comprises that the plastics tubing rest part of outlet is positioned at mould material inside; Plastics tubing also can arrange many, and plastics tubing is distributed on the outer wall of Sialon goods side by side, after filling mould material, keeps the import of every plastics tubing outside mould material, comprises that every plastics tubing rest part of outlet is positioned at mould material inside.
In weight part, described Sialon goods are raw materials used is: brown corundum 10-55 part, compact alumina 15-45 part, SiC10-16 part, metal Si1-3 part, aluminum oxide 0-12 part, silicon powder 0-3 part, additive 0-6 part, Guangxi clay 0-8 part; When Sialon goods are made, get in proportion each raw material, mix, then add dextrin solution mixed grind to become mixed grind material, mixed grind material forms ditch shape base substrate in mould, and body drying is fired 6-12h and formed under nitrogen atmosphere, at 1400-1500 ℃.
Dextrin solution melts water in dextrin to form, remain on>=1.15g/cm of dextrin solution proportion
3, the consumption of dextrin solution is to make the moisture content of mixed grind material be advisable to make base substrate after adding.
In weight part, described mould material is raw materials used is: brown corundum 10-55 part, compact alumina 15-45 part, SiC18-25 part, metal Si1-3 part, aluminum oxide 0-12 part, silicon powder 0-3 part, additive 0-6 part, Guangxi clay 0-8 part; Before filling, add water and mix, the consumption of water is the 4-5% of mould material gross weight.
Described additive is titanium carbide, norbide or aluminium.
The composite lining body of the Sialon combined fireproof material iron runner making according to above method.
The granularity of preferred feedstock is as follows: brown corundum-12mm, compact alumina-12mm, SiC-3mm, metal Si-0.074mm, aluminum oxide-2 μ m, silicon powder-2 μ m, additive-0.044mm, Guangxi clay-0.088mm.
The composite lining body of the Sialon combined fireproof material iron runner that the present invention makes during as iron runner, has the features such as purity is high, anti-slag iron aggressiveness strong, resistance to erosion, can make the once amount of tapping a blast furnace of blast furnace iron outlet groove reach more than 500,000 tons; It is simple that making method of the present invention has technique, workable advantage.
Accompanying drawing explanation
Fig. 1 is constructing structure schematic diagram of the present invention.
embodiment
Embodiment 1
The iron runner composite lining body of Sialon combined fireproof material, construction process as shown in Figure 1, adopts following methods preparation:
1) prepare the Sialon goods of ditch shape: 30 parts, brown corundum, 30 parts of compact aluminas, SiC13 part, metal Si2 part; When Sialon goods are made, get in proportion each raw material, mix, then add dextrin solution mixed grind to become mixed grind material, mixed grind material forms ditch shape base substrate in mould, and body drying is fired 12h and formed under nitrogen atmosphere, at 1400 ℃;
2) with clay brick, be built into the passage 1 of a ditch shape;
3) the ditch shape Sialon goods 3 that make in the interior hanging step 1) of passage 1, keep the top of Sialon goods 3 to flush with passage 1 top;
4) on the outer wall of Sialon goods 3, fix a plastics tubing 4, plastics tubing 4 evenly spirals and is distributed on the outer wall of Sialon goods 3;
5) preparation mould material: 4 parts, 30 parts, brown corundum, 30 parts of compact aluminas, SiC20 part, metal Si2 part, water mixed;
6) to the gap between Sialon goods 3 and clay brick passage 1, fill mould material 2, mould material 2 is flushed with passage 1 top, make the import of plastics tubing 4 be positioned at outside mould material 2 simultaneously, comprise that plastics tubing 4 rest parts of outlet are positioned at mould material 2 inside;
7) by import to the interior logical nitrogen of plastics tubing 4, make mould material 2 at the temperature of 1400 ℃, at this temperature, plastics tubing 4 melts, and forms iron runner composite lining body after keeping 12h in the nitrogen atmosphere that the passage of mould material 2 after plastics tubing 4 melts passes into simultaneously.
Embodiment 2
The iron runner composite lining body of Sialon combined fireproof material, construction process is embodiment 1 simultaneously, adopts following methods preparation:
1) prepare the Sialon goods of ditch shape: 10 parts, brown corundum, 45 parts of compact aluminas, SiC10 part, metal Si3 part, 2 parts, aluminum oxide, 3 parts of silicon powders, 2 parts of titanium carbides, 8 parts of Guangxi clays; When Sialon goods are made, get in proportion each raw material, mix, then add dextrin solution mixed grind to become mixed grind material, mixed grind material forms ditch shape base substrate in mould, and body drying is fired 6h and formed under nitrogen atmosphere, at 1500 ℃;
2) with clay brick, be built into the passage of a ditch shape;
3) in passage, hang the ditch shape Sialon goods that step 1) makes, keep the top of Sialon goods to flush with channel roof, make the import of plastics tubing be positioned at outside mould material simultaneously, comprise that the plastics tubing rest part of outlet is positioned at mould material inside;
4) fixed plastics pipe on the outer wall of Sialon goods, plastics tubing evenly spirals and is distributed on the outer wall of Sialon goods.
5) preparation mould material: 4.5 parts, 10 parts, brown corundum, 45 parts of compact aluminas, SiC18 part, metal Si3 part, 2 parts, aluminum oxide, 3 parts of silicon powders, 2 parts of titanium carbides, 8 parts of Guangxi clays, water mixed;
6) to the gap between Sialon goods and clay brick, fill mould material, mould material is flushed with channel roof;
7) to logical nitrogen in plastics tubing, make mould material at the temperature of 1500 ℃, at this temperature, plastics tubing melts, and forms iron runner composite lining body after keeping 6h in the nitrogen atmosphere that the passage of mould material after plastics tubing melts passes into simultaneously.
Embodiment 3
The iron runner composite lining body of Sialon combined fireproof material, construction process is embodiment 1 simultaneously, adopts following methods preparation:
1) prepare the Sialon goods of ditch shape: 55 parts, brown corundum, 15 parts of compact aluminas, SiC16 part, metal Si1 part, 12 parts, aluminum oxide, 1 part of silicon powder, 6 parts of norbides, 2 parts of Guangxi clays; When Sialon goods are made, get in proportion each raw material, mix, then add dextrin solution mixed grind to become mixed grind material, mixed grind material forms ditch shape base substrate in mould, and body drying is fired 8h and formed under nitrogen atmosphere, at 1450 ℃;
2) with clay brick, be built into the passage of a ditch shape;
3) in passage, hang the ditch shape Sialon goods that step 1) makes, keep the top of Sialon goods to flush with channel roof, make simultaneously the import of plastics tubing be positioned at mould material outer, export and be positioned at mould material inside;
4) on the outer wall of Sialon goods, fix side by side many plastics tubings;
5) preparation mould material: 4.5 parts, 10 parts, brown corundum, 45 parts of compact aluminas, SiC25 part, metal Si1 part, 2 parts, aluminum oxide, 3 parts of silicon powders, 2 parts, aluminium, 8 parts of Guangxi clays, water mixed;
6) to the gap between Sialon goods and clay brick, fill mould material, mould material is flushed with channel roof; After filling mould material, keep the import of every plastics tubing outside mould material, comprise that every plastics tubing rest part of outlet is positioned at mould material inside;
7) to logical nitrogen in plastics tubing, make mould material at the temperature of 1450 ℃, at this temperature, plastics tubing melts, and forms iron runner composite lining body after keeping 8h in the nitrogen atmosphere that the passage of mould material after plastics tubing melts passes into simultaneously.
Umber in embodiment 1-3 is parts by weight.
The iron runner composite lining body that embodiment 1-3 is made is for blast furnace casting hook, the once amount of tapping a blast furnace of embodiment 1,2,3 reaches respectively 500,000 tons, 550,000 tons, 530,000 tons, the amount of tapping a blast furnace is much larger than existing iron runner, the iron runner composite lining body that the present invention makes as can be seen here strengthens than the anti-slag iron aggressiveness of existing casting house, more resistance to erosion.
Claims (5)
1. a making method for the iron runner composite lining body of Sialon combined fireproof material, is characterized in that, comprises the following steps: the passage that 1) is built into a ditch shape with clay brick; 2) in passage, hang the Sialon goods of a ditch shape, keep the top of Sialon goods to flush with channel roof; 3) fixed plastics pipe on the outer wall of Sialon goods, plastics tubing import is not less than the top of Sialon goods; 4) to the gap between Sialon goods and clay brick, fill mould material, mould material is flushed with channel roof; 5) in plastics tubing, lead to nitrogen, mould material keeps 6-12h at the temperature of 1400-1500 ℃ simultaneously, forms iron runner composite lining body.
2. the making method of the iron runner composite lining body of Sialon combined fireproof material as claimed in claim 1, it is characterized in that, in weight part, described Sialon goods are raw materials used is: brown corundum 10-55 part, compact alumina 15-45 part, SiC10-16 part, metal Si1-3 part, aluminum oxide 0-12 part, silicon powder 0-3 part, additive 0-6 part, Guangxi clay 0-8 part; When Sialon goods are made, get in proportion each raw material, mix, then add dextrin solution mixed grind to become mixed grind material, mixed grind material forms ditch shape base substrate in mould, and body drying is fired 6-12h and formed under nitrogen atmosphere, at 1400-1500 ℃.
3. the making method of the iron runner composite lining body of Sialon combined fireproof material as claimed in claim 1, it is characterized in that, in weight part, described mould material is raw materials used is: brown corundum 10-55 part, compact alumina 15-45 part, SiC18-25 part, metal Si1-3 part, aluminum oxide 0-12 part, silicon powder 0-3 part, additive 0-6 part, Guangxi clay 0-8 part; Before filling, add water and mix.
4. the making method of the iron runner composite lining body of Sialon combined fireproof material as claimed in claim 2 or claim 3, is characterized in that, described additive is titanium carbide, norbide or aluminium.
5. the iron runner composite lining body of the Sialon combined fireproof material making as claim 1-4 any one method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310584783.8A CN103642960B (en) | 2013-11-20 | 2013-11-20 | Iron runner composite lining body of a kind of Sialon combined fireproof material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310584783.8A CN103642960B (en) | 2013-11-20 | 2013-11-20 | Iron runner composite lining body of a kind of Sialon combined fireproof material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103642960A true CN103642960A (en) | 2014-03-19 |
| CN103642960B CN103642960B (en) | 2015-08-05 |
Family
ID=50248240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310584783.8A Expired - Fee Related CN103642960B (en) | 2013-11-20 | 2013-11-20 | Iron runner composite lining body of a kind of Sialon combined fireproof material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103642960B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105272297A (en) * | 2015-10-28 | 2016-01-27 | 河南科技大学 | Fe-Sialon-corundum composite refractory material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5884909A (en) * | 1981-11-17 | 1983-05-21 | Kawasaki Steel Corp | Lining structure of refractories in lower part of blast furnace shaft |
| CN200952020Y (en) * | 2006-06-20 | 2007-09-26 | 濮阳濮耐高温材料（集团）股份有限公司 | Composite structural iron tap channel main channel working layer |
| CN101550005A (en) * | 2009-04-28 | 2009-10-07 | 河南海格尔高温材料有限公司 | Method for manufacturing sialon/silicon nitride composite binding carborundum product |
-
2013
- 2013-11-20 CN CN201310584783.8A patent/CN103642960B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5884909A (en) * | 1981-11-17 | 1983-05-21 | Kawasaki Steel Corp | Lining structure of refractories in lower part of blast furnace shaft |
| CN200952020Y (en) * | 2006-06-20 | 2007-09-26 | 濮阳濮耐高温材料（集团）股份有限公司 | Composite structural iron tap channel main channel working layer |
| CN101550005A (en) * | 2009-04-28 | 2009-10-07 | 河南海格尔高温材料有限公司 | Method for manufacturing sialon/silicon nitride composite binding carborundum product |
Non-Patent Citations (2)
| Title |
|---|
| 刘磊等: "不同刚玉原料对赛隆结合刚玉制品性能的影响", 《第十三届全国耐火材料青年学术报告会暨2012年六省市金属（冶金）学会耐火材料学术交流会论文集》 * |
| 洪彦若等: "《非氧化物复合耐火材料》", 31 January 2003 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105272297A (en) * | 2015-10-28 | 2016-01-27 | 河南科技大学 | Fe-Sialon-corundum composite refractory material and preparation method thereof |
| CN105272297B (en) * | 2015-10-28 | 2017-04-26 | 河南科技大学 | Fe-Sialon-corundum composite refractory material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103642960B (en) | 2015-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103396134B (en) | Iron runner casting material using waste alumino-silicon-carbide carbon bricks as aggregate | |
| CN201644776U (en) | Steel ladle lining based on gradient heat insulation | |
| CN103922771B (en) | Storage iron runner castable produced by adopting waste iron runner material | |
| CN103992126B (en) | Method for preparing tabular corundum brick for working lining of carbon-free steel ladle | |
| CN105218128B (en) | A kind of High-Alumina heat-insulation and heat-preservation castable | |
| CN101994392A (en) | Large-volume concrete fast pouring and temperature control method | |
| CN103613397B (en) | Bottom of steel ladle working lining mould material and preparation method thereof | |
| CN105347824A (en) | Preparation method of cold ramming paste specially used for submerged arc furnace whole furnace construction | |
| CN104108941B (en) | A kind of coal injection pipe preformed bricks mould material | |
| CN103642960A (en) | Composite liner of iron runner of sialon combined refractory material, and making method thereof | |
| CN202621906U (en) | Hot metal ladle | |
| CN104529485B (en) | Two-layer compound refractory material and two-layer compound refractory material ditch cover and its manufacture method and application | |
| CN104557078A (en) | High-density thermal-shock-resistant refractory castable for hot metal ladle | |
| CN103896606B (en) | A kind of blast furnace ceramic cup refractory materials | |
| CN204584250U (en) | A kind of ladle for making steel | |
| CN105218118A (en) | A kind of novel from silicon carbide Gunning refractory | |
| CN203076574U (en) | Steel ladle pouring slag line underlayer | |
| CN202329164U (en) | Lining structure of reducibility ore-smelting electric furnace | |
| CN104250426A (en) | Heatproof energy-saving environmental-protection material | |
| CN104446567A (en) | Anhydrous taphole clay and preparation method thereof | |
| CN104193359B (en) | A kind of special corundum gravity flow pouring material of stainless steel ladle and constructional method thereof | |
| CN104944993A (en) | Method for producing carbon-free spinel bricks used for ladles and jar opening parts through waste spinel bricks | |
| CN202461500U (en) | Efficient thermal insulation structure of steel ladle for refining furnace | |
| CN204854336U (en) | Melting kettle that dry process was made | |
| CN103073316A (en) | Gunning mix for main iron runner of blast furnace and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20171120 |