CN108821783A - A kind of list iron mouth stores the preparation method of iron runner castable - Google Patents
A kind of list iron mouth stores the preparation method of iron runner castable Download PDFInfo
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- CN108821783A CN108821783A CN201810510564.8A CN201810510564A CN108821783A CN 108821783 A CN108821783 A CN 108821783A CN 201810510564 A CN201810510564 A CN 201810510564A CN 108821783 A CN108821783 A CN 108821783A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses the preparation methods that a kind of single iron mouth stores iron runner castable, successively comprise the following steps that：It is broken：By Brown Alundum particle, Brown Alundum fine powder, fused white corundum, silicon-carbide particle, silicon carbide micro-powder, ultrafine silica powder, Reactive alumina, aluminate cement, antioxidant, water-reducing agent, swelling agent, dispersing agent, explosion-proof fiber, coagulant, dispensing is crushed to jaw crusher；It crushes：The broken material completed, which is added in ball mill, to be crushed；Stirring：The mixed material for crushing completion is put into iron runner material blender and is stirred；Dedusting；Packaging.Castable good in oxidation resistance prepared by the present invention, carborundum content is high, slag corrosion resistance ability is strong, heat impact strength is good, double-quick cement is as coagulant, it is short to substantially reduce firm time, replaces dry type tap drain with iron formula tap drain is stored, slows down product resistance to thermal shocks and oxidative resistance declines low problem of caused tap drain service life.
Description
【Technical field】
The present invention relates to the systems that the technical field of castable refractory preparation more particularly to a kind of single iron mouth store iron runner castable
Preparation Method.
【Background technique】
More than half in current China steel production capacity still comes from 1000m3Following blast furnace, wherein quite a few is single iron
Mouth blast furnace, due to no spare iron tap channel, it is difficult to provide sufficient time guarantee, this kind of height for construction, the maintenance of tapping tap drain
The iron tap channel of furnace is in application more iron mouth blast furnaces more mature and advanced integrated poured material and process aspect by compared with the day of one's doom
System.
The construction technology that mainly uses of list iron mouth blast furnace iron outlet groove is at present：Tap drain uses dry type tap drain, and the gradient is on 5% left side
The right side, tap drain working lining are constructed using ramming mass ramming, when needing to repair in use, are repaired using ramming mass ramming, tap drain liner
It being largely exposed in air, temperature change is very big, and it is serious by rapid heat cycle and air oxidation, and short texture, intolerant to punching
Brush, the tap drain service life is very low, can only generally use 3~5 days, and leading to repairing, frequently labor intensity of workers is big, and refractory consumption is high.
And ramming mass is due to ingredients such as resinous, pitches, and when use, generates a large amount of noxious fumes, is degrading stokehold work situation.
Therefore, it is necessary to which the iron tap channel and its castable to single iron mouth blast furnace improve, a kind of good in oxidation resistance is researched and developed,
Slag corrosion resistance ability is good, the short castable of firm time.
【Summary of the invention】
The object of the invention is to solve the problems of the prior art, propose that a kind of single iron mouth stores the preparation of iron runner castable
Method, castable good in oxidation resistance, carborundum content height (more than 30%), product slag corrosion resistance ability is strong, resistance to thermal shocks
Can be good, for double-quick cement as coagulant, it is short to substantially reduce firm time, and so that blast furnace is had tapping condition within a short period of time,
Original cast house is utilized simultaneously, on the basis of process layout is constant, will be fallen the intensification of iron spot region, is reduced tap drain inclination angle extremely
0.5%~6%, replace traditional dry type tap drain with iron formula tap drain is stored, greatly improves iron, slow down the resistance to rapid heat cycle of product
Property and oxidative resistance decline caused by tap drain service life low problem.
To achieve the above object, the invention proposes the preparation method that a kind of single iron mouth stores iron runner castable, successively include
Following processing step：
A) it is crushed：By 25~35 parts of Brown Alundum particle, 5~8 parts of Brown Alundum fine powder, 8~12 parts of fused white corundum, silicon carbide
130~150 parts of particle, 1~3 part of silicon carbide micro-powder, 1~2 part of ultrafine silica powder, 3~4 parts of Reactive alumina, aluminate
5~10 parts of cement, 1~2 part of antioxidant, 2~5 parts of water-reducing agent, 1~3 part of swelling agent, 2~5 parts of dispersing agent, explosion-proof fiber 2~
3 parts, 1~2 part of coagulant, dispensing are crushed to jaw crusher；
B) it crushes：It will be crushed the material completed in step a to be added in ball mill, mixed material is crushed；
C) it stirs：The mixed material that completion is crushed in step b is put into iron runner material blender be stirred 10min~
15min is sufficiently mixed material uniformly；
D) dedusting：The material stirred evenly in step c is entered dust pelletizing system to be dusted；
E) it packs：By the material metering after the completion of dedusting in step d, packaging, storage.
Preferably, the granularity of the Brown Alundum particle is 3~5mm, the granularity of the Brown Alundum fine powder is 0~45
μm, the granularity of the fused white corundum is 1~3mm, and the granularity of the Reactive alumina is 0~10 μm, active oxygen
Change Al in aluminium micro mist2O3> 99.12wt%, the aluminate cement are aluminous cement, the granularity of the aluminous cement
It is 0~45 μm, Al in aluminous cement2O3> 70.35wt%, CaO < 28.45wt%, the granularity of the ultrafine silica powder are
0~10 μm, SiO in ultrafine silica powder2> 99.15wt%.
Preferably, the antioxidant is one of metal silicon powder, metallic aluminium powder, metal magnesium powder or a variety of
Mixture.
Preferably, the water-reducing agent is calcium lignosulfonate, the one or more of sodium tripolyphosphate and high-efficiency water-reducing agent of poly-carboxylic acid
Mixture.
Preferably, the swelling agent is bulking agent of calcium aluminate.
Preferably, the dispersing agent is that sodium tripolyphosphate and calgon mix.
Preferably, the explosion-proof fiber is polyurethanes fiber.
Preferably, the coagulant is double-quick cement.
Beneficial effects of the present invention：A kind of single iron mouth of the present invention stores the preparation method of iron runner castable, and castable is anti-oxidant
Property it is good, carborundum content height (more than 30%), product slag corrosion resistance ability is strong, and heat impact strength is good, double-quick cement conduct
Coagulant, it is short to substantially reduce firm time, so that blast furnace is had tapping condition within a short period of time, while utilizing original tapping
, on the basis of process layout is constant, the intensification of iron spot region will be fallen, reduces tap drain inclination angle to 0.5%~6%, with storage iron formula
Tap drain replaces traditional dry type tap drain, greatly improves iron, slows down product resistance to thermal shocks and oxidative resistance decline is led
The tap drain service life of cause low problem.
Feature and advantage of the invention will be described in detail by embodiment.
【Specific embodiment】
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by embodiment, to the present invention into
Row is further described.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
In limiting the scope of the invention.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid need not
Obscure idea of the invention in strategic point.
The embodiment of the present invention provides a kind of preparation method of single iron mouth storage iron runner castable, successively includes that following technique walks
Suddenly：
A) it is crushed：By 25~35 parts of Brown Alundum particle, 5~8 parts of Brown Alundum fine powder, 8~12 parts of fused white corundum, silicon carbide
130~150 parts of particle, 1~3 part of silicon carbide micro-powder, 1~2 part of ultrafine silica powder, 3~4 parts of Reactive alumina, aluminate
5~10 parts of cement, 1~2 part of antioxidant, 2~5 parts of water-reducing agent, 1~3 part of swelling agent, 2~5 parts of dispersing agent, explosion-proof fiber 2~
3 parts, 1~2 part of coagulant, dispensing are crushed to jaw crusher；
B) it crushes：It will be crushed the material completed in step a to be added in ball mill, mixed material is crushed；
C) it stirs：The mixed material that completion is crushed in step b is put into iron runner material blender be stirred 10min~
15min is sufficiently mixed material uniformly；
D) dedusting：The material stirred evenly in step c is entered dust pelletizing system to be dusted；
E) it packs：By the material metering after the completion of dedusting in step d, packaging, storage.
The granularity of the Brown Alundum particle is 3~5mm, and the granularity of the Brown Alundum fine powder is 0~45 μm, described
The granularity of fused white corundum is 1~3mm, and the granularity of the Reactive alumina is 0~10 μm, in Reactive alumina
Al2O3> 99.12wt%, the aluminate cement are aluminous cement, and the granularity of the aluminous cement is 0~45 μm,
Al in aluminous cement2O3> 70.35wt%, CaO < 28.45wt%, the granularity of the ultrafine silica powder are 0~10 μm, oxygen
SiO in SiClx micro mist2> 99.15wt%.The antioxidant is metal silicon powder, metallic aluminium powder, one in metal magnesium powder
Kind or a variety of mixtures.The water-reducing agent is calcium lignosulfonate, the one or more of sodium tripolyphosphate and high-efficiency water-reducing agent of poly-carboxylic acid
Mixture.The swelling agent is bulking agent of calcium aluminate.The dispersing agent is that sodium tripolyphosphate and calgon mix
It forms.The explosion-proof fiber is polyurethanes fiber.The coagulant is double-quick cement.
The product main technical performance index for the preparation method preparation that a kind of single iron mouth of the present invention stores iron runner castable is as follows：
Product is through Zhejiang Province's refractory products quality inspection Spot detection, examining report number：2017WTNJ0823, inspection
Survey that result meets company standard and new product is put on record book requirement.
A kind of single iron mouth of the present invention stores the preparation method of iron runner castable, castable good in oxidation resistance, carborundum content height
(more than 30%), product slag corrosion resistance ability is strong, and heat impact strength is good, and double-quick cement is substantially reduced as coagulant
Firm time is short, so that blast furnace is had tapping condition within a short period of time, while utilizing original cast house, constant in process layout
On the basis of, the intensification of iron spot region will be fallen, reduces tap drain inclination angle to 0.5%~6%, replaces traditional dry type master with iron formula tap drain is stored
Ditch greatly improves iron, slows down product resistance to thermal shocks and oxidative resistance declines low problem of caused tap drain service life.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of list iron mouth stores the preparation method of iron runner castable, it is characterised in that：Successively comprise the following steps that：
A) it is crushed：By 25~35 parts of Brown Alundum particle, 5~8 parts of Brown Alundum fine powder, 8~12 parts of fused white corundum, silicon-carbide particle
130~150 parts, 1~3 part of silicon carbide micro-powder, 1~2 part of ultrafine silica powder, 3~4 parts of Reactive alumina, aluminate cement 5
~10 parts, 1~2 part of antioxidant, 2~5 parts of water-reducing agent, 1~3 part of swelling agent, 2~5 parts of dispersing agent, 2~3 parts of explosion-proof fiber,
1~2 part of coagulant, dispensing is crushed to jaw crusher；
B) it crushes：It will be crushed the material completed in step a to be added in ball mill, mixed material is crushed；
C) it stirs：The mixed material that completion is crushed in step b is put into iron runner material blender be stirred 10min~
15min is sufficiently mixed material uniformly；
D) dedusting：The material stirred evenly in step c is entered dust pelletizing system to be dusted；
E) it packs：By the material metering after the completion of dedusting in step d, packaging, storage.
2. a kind of single iron mouth stores the preparation method of iron runner castable as described in claim 1, it is characterised in that：The palm fibre
The granularity of corundum in granules is 3~5mm, and the granularity of the Brown Alundum fine powder is 0~45 μm, the granularity of the fused white corundum
For 1~3mm, the granularity of the Reactive alumina is 0~10 μm, Al in Reactive alumina2O3> 99.12wt%,
The aluminate cement is aluminous cement, and the granularity of the aluminous cement is 0~45 μm, Al in aluminous cement2O3
> 70.35wt%, CaO < 28.45wt%, the granularity of the ultrafine silica powder are 0~10 μm, SiO in ultrafine silica powder2>
99.15wt%.
3. a kind of single iron mouth stores the preparation method of iron runner castable as described in claim 1, it is characterised in that：Described is anti-
Oxidant is one of metal silicon powder, metallic aluminium powder, metal magnesium powder or a variety of mixtures.
4. a kind of single iron mouth stores the preparation method of iron runner castable as described in claim 1, it is characterised in that：Described subtracts
Aqua is one or more of mixtures of calcium lignosulfonate, sodium tripolyphosphate and high-efficiency water-reducing agent of poly-carboxylic acid.
5. a kind of single iron mouth stores the preparation method of iron runner castable as described in claim 1, it is characterised in that：Described is swollen
Swollen dose is bulking agent of calcium aluminate.
6. a kind of single iron mouth stores the preparation method of iron runner castable as described in claim 1, it is characterised in that：Point
Powder is that sodium tripolyphosphate and calgon mix.
7. a kind of single iron mouth stores the preparation method of iron runner castable as described in claim 1, it is characterised in that：Described is anti-
Quick-fried fiber is polyurethanes fiber.
8. a kind of single iron mouth stores the preparation method of iron runner castable as described in claim 1, it is characterised in that：The rush
Solidifying agent is double-quick cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810510564.8A CN108821783A (en) | 2018-05-24 | 2018-05-24 | A kind of list iron mouth stores the preparation method of iron runner castable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810510564.8A CN108821783A (en) | 2018-05-24 | 2018-05-24 | A kind of list iron mouth stores the preparation method of iron runner castable |
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| Publication Number | Publication Date |
|---|---|
| CN108821783A true CN108821783A (en) | 2018-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810510564.8A Pending CN108821783A (en) | 2018-05-24 | 2018-05-24 | A kind of list iron mouth stores the preparation method of iron runner castable |
Country Status (1)
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| CN (1) | CN108821783A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101591179A (en) * | 2008-05-30 | 2009-12-02 | 北京通达耐火技术股份有限公司 | A kind of main trough of blast furnace slag line Al 2O 3The preparation method of-SiC-C mould material |
| CN104944989A (en) * | 2015-06-30 | 2015-09-30 | 中冶武汉冶金建筑研究院有限公司 | Silicon sol combined corundum-silicon carbide wet-type spray material |
-
2018
- 2018-05-24 CN CN201810510564.8A patent/CN108821783A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101591179A (en) * | 2008-05-30 | 2009-12-02 | 北京通达耐火技术股份有限公司 | A kind of main trough of blast furnace slag line Al 2O 3The preparation method of-SiC-C mould material |
| CN104944989A (en) * | 2015-06-30 | 2015-09-30 | 中冶武汉冶金建筑研究院有限公司 | Silicon sol combined corundum-silicon carbide wet-type spray material |
Non-Patent Citations (1)
| Title |
|---|
| 铸造工程师手册编写组: "《铸造工程师手册》", 31 December 1997, 机械工业出版社 * |
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Application publication date: 20181116 |