CN102515809B - Method for producing carbon-free brick for high-strength dense steel ladle - Google Patents
Method for producing carbon-free brick for high-strength dense steel ladle Download PDFInfo
- Publication number
- CN102515809B CN102515809B CN 201110456915 CN201110456915A CN102515809B CN 102515809 B CN102515809 B CN 102515809B CN 201110456915 CN201110456915 CN 201110456915 CN 201110456915 A CN201110456915 A CN 201110456915A CN 102515809 B CN102515809 B CN 102515809B
- Authority
- CN
- China
- Prior art keywords
- weight
- parts
- plate diamond
- alumina
- diamond spar
- 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.)
- Active
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention relates to a method for producing a carbon-free brick for a high-strength dense steel ladle. The carbon-free brick is prepared from the following raw materials by weight part: 20 to 30 parts of aggregate part, 10 to 15 parts of fine powder part, 6 to 10 parts of composite binding agent I, 4 to parts of composite binding agent II and 0.4 to 0.6 part of composite additive. The method comprises the following steps: throwing the aggregate part into a high-speed mixing mill according to the weight ratio; mixing for the first time for 2 to 6 minutes; adding the composite binding agent II; mixing for the second time for 2 to 6 minutes; adding the composite binding agent I, the composite additive and the fine powder part; mixing for the third time for 5 to 15 minutes; performing mechanical pressing; drying; sorting; inspecting; and packaging and putting into a storage, so that the novel carbon-free brick for a steel ladle working liner with long life and denser tissue structure and higher volume density when used at high temperature is produced. The carbon-free brick produced by the method increases the volume density, greatly reduces the porosity and effectively improves molten steel erosion resistance to prolong the service life finally.
Description
Technical field
The present invention relates to the anti-material of refining ladle field in smelting iron and steel, relate in particular to a kind of method of making the Additive Production carbon-free brick for high-strength dense steel ladle of rare earth oxide.
Background technology
The refining ladle working lining is used without carbon brick, be that steel mill smelts the indispensable new functional type refractory materials of Clean Steel (as soft steel, ultra low-carbon steel etc.) at present, generally be pressed into by quality oxide aluminabased material (as corundum), spinel material or magnesian, additive and wedding agent machine.In recent years due to the pressure of production cost, simultaneously consider that also the thermal shock resistance of corundum material is relatively poor, usually peel off in use, affect work-ing life, some manufacturers substitute the corundum in the aluminum oxide material with part premium high-alumina alumina, thermal shock resistance without carbon brick is greatly improved, and cost also reduces effectively.But simultaneously due to this kind without carbon brick with comparing in the past, volume density reduces, anti-molten steel aggressiveness descends.Therefore how the low cost of adding alumine is improved without the carbon brick hot strength, the weave construction densification becomes a difficult problem.
Summary of the invention
The purpose of this invention is to provide a kind of method of making the Additive Production carbon-free brick for high-strength dense steel ladle of mixed rare-earth oxide, what the method was produced improves without the carbon brick volume density, void content reduces greatly, and opposing molten steel erosion performance effectively improves, and be improved final work-ing life.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of method of producing carbon-free brick for high-strength dense steel ladle, it is comprised of the following raw materials in parts by weight proportioning:
1) aggregate part
Granularity is premium high-alumina alumina and sub-white corundum 20-30 part of 5-3mm, and the part by weight of described premium high-alumina alumina and sub-white corundum is (50-100): (50-0);
Granularity is plate diamond spar and sub-white corundum 20-30 part of 3-1mm, and the part by weight of described plate diamond spar and sub-white corundum is (0-50): (100-50);
Granularity is plate diamond spar and magnesium-rich spinel 15-25 part of 1-0.088mm, and the part by weight of described plate diamond spar and magnesium-rich spinel is (60-100): (40-0);
2) fine powder part
The plate diamond spar of≤0.088mm and magnesium-rich spinel fine powder 10-15 part, the part by weight of described plate diamond spar and magnesium-rich spinel is (60-40): (40-60);
3) admixture
Combined binder one 6-10 part, combined binder one is mixed and is made by Alpha-alumina micro mist 25-65 weight part, fine silica powder 10-20 weight part;
Combined binder two 4-6 parts, combined binder two adds water by phosphoric acid salt 10-20 weight part, halogenide 15-35 weight part, mixes and makes the saturated solution of 20-60 degree centigrade, is combined binder two;
Composite additive 0.4-0.6 part by mixed rare-earth oxide 40-75 weight part, lanthanum trioxide 15-30 weight part, cerium oxide 10-30 weight part, mixes and makes;
The method of producing carbon-free brick for high-strength dense steel ladle is:
By described part by weight, aggregate part (comprising premium high-alumina alumina, corundum and spinel particle) is put in high speed mixing smelting machine, mixed once 2-6min, add combined binder two, secondary mixing 2-6min, then add combined binder one, composite additive, fine powder part (corundum fine powder, spinel fine powder), three mixing 5-15min; Then mechanical pressing, drying, selection, check, packing warehouse-in are namely produced when applied at elevated temperature weave construction finer and close, the higher novel ladle working lining of volume density with the high life without carbon brick.
When this product is built by laying bricks or stones at the scene, should be equipped with the mud of suitable expansion character.
Compared with prior art, the invention has the beneficial effects as follows:
1) the novel high life of the present invention is without carbon brick, by reasonable introducing mixed rare-earth materials, optimization design, make that novel effectively to have overcome originally when the high temperature weave construction without carbon brick not fine and close, intensity is low, the not strong weakness of opposing molten steel erosional competency, effective acceleration of sintering when using for 1400-1600 degree centigrade, the density of adobe is improved before adding rare earth material greatly, and intensity increases, thereby has guaranteed that its opposing molten steel erosional competency obviously improves.
2) by optimizing the optimization design without the carbon brick composition: substitute corundum with 30-50% premium high-alumina alumina, corundum partly adopts thermal shock resistance plate diamond spar or sub-white corundum preferably, spinel is selected the spinel of rich magnesium, wedding agent is by micro mist and inorganics is compound makes, especially use mixed rare-earth oxide+lanthanum trioxide+cerium oxide as composite additive, make this novel without carbon brick with common comparing without carbon brick, the coking property of adobe effectively improves when applied at elevated temperature, make the weave construction of brick finer and close, volume density is higher (brings up to 3.28 g/ccs by 3.15 g/ccs, approximately 4.1%), void content greatly reduces and (drops to 11.6% by 15.2%, approximately 31.0%), opposing molten steel erosion performance effectively improves, be improved final work-ing life (brings up to 102 tanks by 81 tanks, approximately 25.9%).
Embodiment
Embodiment 1
A kind of method of producing carbon-free brick for high-strength dense steel ladle, it is comprised of the following raw materials in parts by weight proportioning:
1) aggregate part
Granularity is 25 parts of the premium high-alumina alumina of 5-3mm and sub-white corundums, and the part by weight of premium high-alumina alumina and sub-white corundum is 50: 50;
Granularity is 25 parts of the plate diamond spar of 3-1mm and sub-white corundums, and the part by weight of plate diamond spar and sub-white corundum is 50: 50;
Granularity is 20 parts of the plate diamond spar of 1-0.088mm and magnesium-rich spinels, and the part by weight of plate diamond spar and magnesium-rich spinel is 60: 40;
2) fine powder part
12 parts of the plate diamond spar of≤0.088mm and magnesium-rich spinel fine powders, the part by weight of plate diamond spar and magnesium-rich spinel are 50: 50;
3) admixture
One 8 parts of combined binders, combined binder one is mixed and is made by Alpha-alumina micro mist 40 weight parts, fine silica powder 15 weight parts;
25 parts of combined binders, combined binder two adds water by phosphoric acid salt 15 weight parts, halogenide 25 weight parts, mixes and makes the saturated solution of 20-60 degree centigrade, is combined binder two;
0.5 part of composite additive by mixed rare-earth oxide 60 weight parts, lanthanum trioxide 25 weight parts, cerium oxide 20 weight parts, mixes and makes;
The method of producing carbon-free brick for high-strength dense steel ladle is:
By described part by weight, aggregate part (comprising premium high-alumina alumina, corundum and spinel particle) is put in high speed mixing smelting machine, mixed once 2-6min, add combined binder two, secondary mixing 2-6min, then add combined binder one, composite additive, fine powder part (corundum fine powder, spinel fine powder), three mixing 5-15min; Then mechanical pressing, drying, selection, check, packing warehouse-in are namely produced when applied at elevated temperature weave construction finer and close, the higher novel ladle working lining of volume density with the high life without carbon brick.
When this product is built by laying bricks or stones at the scene, should be equipped with the mud of suitable expansion character.
Embodiment 2
A kind of method of producing carbon-free brick for high-strength dense steel ladle, it is comprised of the following raw materials in parts by weight proportioning:
1) aggregate part
Granularity is 20 parts of the premium high-alumina alumina of 5-3mm and sub-white corundums, and the part by weight of premium high-alumina alumina and sub-white corundum is 70: 30;
Granularity is 30 parts of the plate diamond spar of 3-1mm and sub-white corundums, and the part by weight of plate diamond spar and sub-white corundum is 30: 70;
Granularity is 15 parts of the plate diamond spar of 1-0.088mm and magnesium-rich spinels, and the part by weight of plate diamond spar and magnesium-rich spinel is 70: 30;
2) fine powder part
15 parts of the plate diamond spar of≤0.088mm and magnesium-rich spinel fine powders, the part by weight of plate diamond spar and magnesium-rich spinel are 60: 40;
3) admixture
One 6 parts of combined binders, combined binder one is mixed and is made by Alpha-alumina micro mist 25 weight parts, fine silica powder 20 weight parts;
26 parts of combined binders, combined binder two adds water by phosphoric acid salt 10 weight parts, halogenide 35 weight parts, mixes and makes the saturated solution of 20-60 degree centigrade, is combined binder two;
0.4 part of composite additive by mixed rare-earth oxide 40 weight parts, lanthanum trioxide 30 weight parts, cerium oxide 10 weight parts, mixes and makes;
Produce the method for carbon-free brick for high-strength dense steel ladle with embodiment 1.
Embodiment 3
A kind of method of producing carbon-free brick for high-strength dense steel ladle, it is comprised of the following raw materials in parts by weight proportioning:
1) aggregate part
Granularity is 30 parts of the premium high-alumina alumina of 5-3mm and sub-white corundums, and the part by weight of premium high-alumina alumina and sub-white corundum is 60: 40;
Granularity is 20 parts of the plate diamond spar of 3-1mm and sub-white corundums, and the part by weight of plate diamond spar and sub-white corundum is 20: 80;
Granularity is 25 parts of the plate diamond spar of 1-0.088mm and magnesium-rich spinels, and the part by weight of plate diamond spar and magnesium-rich spinel is 75: 25;
2) fine powder part
10 parts of the plate diamond spar of≤0.088mm and magnesium-rich spinel fine powders, the part by weight of plate diamond spar and magnesium-rich spinel are 55: 45;
3) admixture
One 10 parts of combined binders, combined binder one is mixed and is made by Alpha-alumina micro mist 65 weight parts, fine silica powder 20 weight parts;
24 parts of combined binders, combined binder two adds water by phosphoric acid salt 20 weight parts, halogenide 15 weight parts, mixes and makes the saturated solution of 20-60 degree centigrade, is combined binder two;
0.6 part of composite additive by mixed rare-earth oxide 75 weight parts, lanthanum trioxide 15 weight parts, cerium oxide 30 weight parts, mixes and makes;
Produce the method for carbon-free brick for high-strength dense steel ladle with embodiment 1.
Embodiment 4
A kind of method of producing carbon-free brick for high-strength dense steel ladle, it is comprised of the following raw materials in parts by weight proportioning:
1) aggregate part
Granularity is the premium high-alumina alumina of 5-3mm and sub-white corundum 25 is 75: 25 by the part by weight of premium high-alumina alumina and sub-white corundum;
Granularity is 30 parts of the plate diamond spar of 3-1mm and sub-white corundums, and the part by weight of plate diamond spar and sub-white corundum is 25: 75;
Granularity is 24 parts of the plate diamond spar of 1-0.088mm and magnesium-rich spinels, and the part by weight of plate diamond spar and magnesium-rich spinel is 80: 20;
2) fine powder part
12 parts of the plate diamond spar of≤0.088mm and magnesium-rich spinel fine powders, the part by weight of plate diamond spar and magnesium-rich spinel are 45: 55;
3) admixture
One 9 parts of combined binders, combined binder one is mixed and is made by Alpha-alumina micro mist 55 weight parts, fine silica powder 18 weight parts;
2 5.5 parts of combined binders, combined binder two adds water by phosphoric acid salt 18 weight parts, halogenide 30 weight parts, mixes and makes the saturated solution of 20-60 degree centigrade, is combined binder two;
0.55 part of composite additive by mixed rare-earth oxide 65 weight parts, lanthanum trioxide 28 weight parts, cerium oxide 28 weight parts, mixes and makes;
Produce the method for carbon-free brick for high-strength dense steel ladle with embodiment 1.
When this product is built by laying bricks or stones at the scene, should be equipped with the mud of suitable expansion character.
Embodiment 5
A kind of method of producing carbon-free brick for high-strength dense steel ladle, it is comprised of the following raw materials in parts by weight proportioning:
1) aggregate part
Granularity is 30 parts, the premium high-alumina alumina of 5-3mm, and granularity is 25 parts of the sub-white corundums of 3-1mm, and granularity is 20 parts of the plate diamond spars of 1-0.088mm;
2) fine powder part
15 parts of the plate diamond spar of≤0.088mm and magnesium-rich spinel fine powders, the part by weight of described plate diamond spar and magnesium-rich spinel are 1: 1;
3) admixture
One 8 parts of combined binders, combined binder one is mixed and is made by Alpha-alumina micro mist 50 weight parts, fine silica powder 15 weight parts;
25 parts of combined binders, combined binder two adds water by phosphoric acid salt 15 weight parts, halogenide 30 weight parts, mixes and makes the saturated solution of 20-60 degree centigrade, is combined binder two;
0.5 part of composite additive by mixed rare-earth oxide 55 weight parts, lanthanum trioxide 25 weight parts, cerium oxide 20 weight parts, mixes and makes;
Produce the method for carbon-free brick for high-strength dense steel ladle with embodiment 1.
Embodiment 6
A kind of method of producing carbon-free brick for high-strength dense steel ladle, it is comprised of the following raw materials in parts by weight proportioning:
1) aggregate part
Granularity is 20 parts of the premium high-alumina alumina of 5-3mm and sub-white corundums, and granularity is 30 parts of the sub-white corundums of 3-1mm, and granularity is 25 parts of the plate diamond spars of 1-0.088mm;
2) fine powder part
12 parts of the plate diamond spar of≤0.088mm and magnesium-rich spinel fine powders, the part by weight of described plate diamond spar and magnesium-rich spinel are 3: 2;
3) admixture
One 10 parts of combined binders, combined binder one is mixed and is made by Alpha-alumina micro mist 40 weight parts, fine silica powder 20 weight parts;
24 parts of combined binders, combined binder two adds water by phosphoric acid salt 15 weight parts, halogenide 15 weight parts, mixes and makes the saturated solution of 20-60 degree centigrade, is combined binder two;
0.4 part of composite additive by mixed rare-earth oxide 60 weight parts, lanthanum trioxide 25 weight parts, cerium oxide 25 weight parts, mixes and makes;
The method of producing carbon-free brick for high-strength dense steel ladle is:
In above embodiment, the raw material index of employing sees the following form:
Claims (1)
1. a method of producing carbon-free brick for high-strength dense steel ladle, is characterized in that, it is comprised of the following raw materials in parts by weight proportioning:
1) aggregate part
Granularity is premium high-alumina alumina and sub-white corundum 20-30 part of 5-3mm, and the part by weight of described premium high-alumina alumina and sub-white corundum is (50-100): (50-0);
Granularity is plate diamond spar and sub-white corundum 20-30 part of 3-1mm, and the part by weight of described plate diamond spar and sub-white corundum is (0-50): (100-50);
Granularity is plate diamond spar and magnesium-rich spinel 15-25 part of 1-0.088mm, and the part by weight of described plate diamond spar and magnesium-rich spinel is (60-100): (40-0);
2) fine powder part
The plate diamond spar of≤0.088mm and magnesium-rich spinel fine powder 10-15 part, the part by weight of described plate diamond spar and magnesium-rich spinel fine powder is (60-40): (40-60);
3) admixture
Combined binder one 6-10 part, combined binder one is mixed and is made by Alpha-alumina micro mist 25-65 weight part, fine silica powder 10-20 weight part;
Combined binder two 4-6 parts, combined binder two adds water by phosphoric acid salt 10-20 weight part, halogenide 15-35 weight part, mixes and makes the saturated solution of 20-60 degree centigrade, is combined binder two;
Composite additive 0.4-0.6 part by mixed rare-earth oxide 40-75 weight part, lanthanum trioxide 15-30 weight part, cerium oxide 10-30 weight part, mixes and makes;
The method of producing carbon-free brick for high-strength dense steel ladle is:
By described part by weight, aggregate is partly put in high speed mixing smelting machine, mixed once 2-6min adds combined binder two, and then secondary mixing 2-6min adds combined binder one, composite additive, fine powder part, three mixing 5-15 min; Then mechanical pressing, drying, selection, check, packing warehouse-in are namely produced when applied at elevated temperature weave construction finer and close, the higher ladle working lining of volume density with the high life without carbon brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110456915 CN102515809B (en) | 2011-12-31 | 2011-12-31 | Method for producing carbon-free brick for high-strength dense steel ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110456915 CN102515809B (en) | 2011-12-31 | 2011-12-31 | Method for producing carbon-free brick for high-strength dense steel ladle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102515809A CN102515809A (en) | 2012-06-27 |
| CN102515809B true CN102515809B (en) | 2013-06-26 |
Family
ID=46286953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110456915 Active CN102515809B (en) | 2011-12-31 | 2011-12-31 | Method for producing carbon-free brick for high-strength dense steel ladle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102515809B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107512904A (en) * | 2017-08-29 | 2017-12-26 | 浙江攀盛冶金材料有限公司 | A kind of high-strength steel non-carbon residue feather edge brick |
| CN112479688A (en) * | 2020-11-27 | 2021-03-12 | 云南濮耐昆钢高温材料有限公司 | Prevent blockking up gas pocket high dispersion air brick for anode furnace copper smelting |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239829A (en) * | 2008-03-11 | 2008-08-13 | 郑州市鑫磊冶金材料有限公司 | High-performance fire-resistant abrasion-proof composite material |
| CN101863676A (en) * | 2010-06-18 | 2010-10-20 | 中钢集团洛阳耐火材料研究院有限公司 | Non-carbon residue feather edge brick for refining steel ladle and preparation method thereof |
-
2011
- 2011-12-31 CN CN 201110456915 patent/CN102515809B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239829A (en) * | 2008-03-11 | 2008-08-13 | 郑州市鑫磊冶金材料有限公司 | High-performance fire-resistant abrasion-proof composite material |
| CN101863676A (en) * | 2010-06-18 | 2010-10-20 | 中钢集团洛阳耐火材料研究院有限公司 | Non-carbon residue feather edge brick for refining steel ladle and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102515809A (en) | 2012-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108516845B (en) | Chromium oxide composite spinel brick and preparation method thereof | |
| US10519065B2 (en) | Lightweight micro-closed-pore corundum composite refractory, method for preparing the same | |
| CN108178641B (en) | Tundish dry material and preparation method thereof | |
| CN101045636A (en) | Alumina base andalusite-SiC-C brick, manufacturing method and its application | |
| CN104909734A (en) | Magnesium-rich forsterite-spinel composite brick and preparation method thereof | |
| CN102584277A (en) | Low-carbon magnesia carbon bricks and preparation method thereof | |
| CN111620709B (en) | Silicon carbide composite refractory product containing rare earth oxide | |
| CN104478443A (en) | Dry-type low-carbon environment-friendly stemming and manufacturing method thereof | |
| CN101913890B (en) | Tap hole clay for recycled material high blast furnace and preparation method thereof | |
| CN107056200B (en) | A method of environment friendly pervious brick is prepared using industrial melting waste slag | |
| CN105198457A (en) | Converter slag-stopping inner nozzle brick and preparation method thereof | |
| CN102603310B (en) | Quick sintering repairing mass used for steel mill converter | |
| CN106810281B (en) | Method for preparing forsterite refractory brick from nickel-iron slag | |
| CN102515809B (en) | Method for producing carbon-free brick for high-strength dense steel ladle | |
| CN104876557A (en) | High-purity forsterite brick for glass furnace regenerative chamber | |
| CN110627483A (en) | Magnesia carbon brick and preparation method and application thereof | |
| CN104909774B (en) | Aluminous cement combination properties of alumina-magnesia castables and preparation method thereof | |
| CN104909773B (en) | Aluminous cement combination properties of alumina-magnesia castables containing compound additive and preparation method thereof | |
| CN103467119A (en) | Preparation method for microporous alumina carbon brick | |
| CN103396142B (en) | Composite magnesium-calcium brick having low heat conductivity and high service performance and manufacturing method thereof | |
| CN103387400B (en) | Backing brick for coal water slurry pressurized gasifier and preparation method of backing brick | |
| CN104446534A (en) | Method for preparing nickel-iron electric furnace bottom material by utilizing magnesite flotation tailing | |
| CN107216868A (en) | A kind of VHD superhigh intensity ceramsite propping agent and preparation method thereof | |
| CN104829252A (en) | Calcium oxide carbon brick and preparation method thereof | |
| CN103408309B (en) | Non-sticking tundish dry material and production method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | 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 |