CN105859262B - One kind ceramic cup containing titanium-type and preparation method thereof - Google Patents
One kind ceramic cup containing titanium-type and preparation method thereof Download PDFInfo
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- CN105859262B CN105859262B CN201610216730.4A CN201610216730A CN105859262B CN 105859262 B CN105859262 B CN 105859262B CN 201610216730 A CN201610216730 A CN 201610216730A CN 105859262 B CN105859262 B CN 105859262B
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Abstract
The invention discloses a kind of ceramic cup containing titanium-type and preparation method thereof.It is indicated with weight percentage, contains fused brown corundum 55~80%, silicon carbide 10~30%, Guangxi white clay 1~4%, fine silica powder 1~3%, metallic silicon 2~5% and titanium dioxide 1~5% in the raw material of ceramic cup containing the titanium-type composition；In addition, the spent pulping liquor for accounting for above-mentioned total raw material weight 2~4% is added as bonding agent.180 mesh of granularity and various raw materials below are ground uniformly altogether first, pulverized powder altogether is made；Then raw material that granularity is more than to 180 mesh is used as aggregate mixed grind, and bonding agent mixed grind is added after mixed grind, is eventually adding total pulverized powder mixed grind, is made and is molded pug；Molding pug is pressed into adobe, is dried, is burnt into successively, cooling kiln discharge.Novel ceramic cup product prepared by the present invention is especially easier deposition high-melting-point object phase, realizes good furnace retaining effect in use because of the introducing of titaniferous object phase during furnace retaining.
Description
Technical field
The present invention relates to a kind of refractory materials and preparation method thereof, and in particular to one kind being suitable for blast furnace crucibe region（Packet
Include State of Blast Furnace casing wall, air port, Tie Kou, cinder notch）With ceramic cup containing titanium-type and preparation method thereof.
Background technology
In the early 1980s, France's Sovaie refractory Companies are developed and are pacified on Thyssen iron company blast furnace
A kind of novel combined furnace lining has been filled, that is, has been referred to as " ceramic cup ".This subsequent new technology has obtained answering extensively in countries in the world
With.These years in use, it improves in terms of the material outer, some achievements is also achieved to the maintenance aspect of ceramic cup, one
Class application wider is to carry out furnace retaining by introducing titaniferous ore.Common method has two classes, and one is using titaniferous day
Right mine or titaniferous pellet are added from furnace roof；It one is core-spun yarn is made in titaniferous concentrate powder, is sent into stove by air port, or will
Concentrate powder is mixed with coal dust and is blown into.This kind of TiO brought into2Under furnace high-temperature reducing atmosphere, partly generate dystectic TiC and
TiN or Ti (C, N) solid solution, these high-melting-point substances are mixed with the graphitic carbon being precipitated in molten iron and molten iron, are deposited on cupola well
It weathers in the working face or brickwork joint at position, plays the role of protecting cupola well.Although this kind of high-melting-point substances restore by force in blast furnace
Under the conditions of be easy to generate, but practice have shown that, which only reunites in the big region of temperature gradient, deposits, grows up, this is just
Titanium is introduced such that regardless of using which kind of mode, it is necessary to intensity of cooling be improved by suitable mode, reduce lining temperature, promoted
The deposition of the substance can be only achieved ideal furnace retaining effect.
For such furnace retaining technology mentioned above using introducing containing perovskite powder etc., cooperation utilizes the technological means such as reinforcing blast furnace cooling
Achieve the effect that furnace retaining Deng the deposition of titaniferous high-melting-point object phase is promoted, titaniferous height can be reduced by the modified of ceramic cup material
The difficulty that fusing point object mutually deposits strengthens the technological means such as cooling to substituteThis is that the technology that the art attempts to solve is asked
Topic.
Invention content
The technical problem to be solved by the present invention is to：The problem of in the presence of for the above-mentioned prior art, the present invention provide one
The novel ceramic cup product and preparation method thereof of kind, the i.e. present invention provide one kind ceramic cup containing titanium-type and preparation method thereof.It utilizes
Technical solution of the present invention is allowed to be easier the high melting point melts such as depositing Ti C during use, it is easier to realize furnace retaining.
To solve the above-mentioned problems, the technical solution that the present invention takes is：
The present invention provides a kind of ceramic cup containing titanium-type, is indicated with weight percentage, the raw material of ceramic cup containing the titanium-type group
Contain fused brown corundum 55~80%, silicon carbide 10~30%, Guangxi white clay 1~4%, fine silica powder 1~3%, metal in
Silicon 2~5% and titanium dioxide 1~5%；In addition, the spent pulping liquor for accounting for above-mentioned total raw material weight 2~4% is added as bonding agent.
According to above-mentioned ceramic cup containing titanium-type, the fused brown corundum 55~80% is by the fused brown corundum of granularity 5-3mm
10~20%, the fused brown corundum 20~30% of 3-1mm, 1-0mm fused brown corundum 10~20% and 200 mesh fused brown corundum
10~20% compositions；Mass percentage >=94.5% of aluminium oxide in the fused brown corundum, bulk density >=3.8g/cm3。
According to above-mentioned ceramic cup containing titanium-type, the silicon carbide 10~30% be by granularity 3-1mm silicon carbide 0~10%,
The silicon carbide 5~15% of the mesh of the silicon carbide 5~15% and granularity of granularity 1-0mm≤200 forms；The matter of silicon carbide in the silicon carbide
Measure percentage composition >=97%, the g/cm of bulk density >=3.123。
According to above-mentioned ceramic cup containing titanium-type, mass percentage >=33%, the iron oxide of aluminium oxide in the Guangxi white clay
Mass percentage≤1.5%.
According to above-mentioned ceramic cup containing titanium-type, the fine silica powder is micro- by the silica of 325 mesh screen residue≤5%
Powder forms；SiO in the fine silica powder2Mass percentage >=93.5%.
According to above-mentioned ceramic cup containing titanium-type, the mesh of the granularity of the metallic silicon≤180；The quality hundred of silicon in the metallic silicon
Divide content >=97%.
According to above-mentioned ceramic cup containing titanium-type, the mesh of the granularity of the titanium dioxide≤1200；The titanium dioxide is rutile-type
Titanium dioxide, mass percentage >=97% of titanium dioxide in titanium dioxide.
According to above-mentioned ceramic cup containing titanium-type, the bonding agent spent pulping liquor is calcium lignosulfonate aqueous solution, the wood
The proportion of quality sulfoacid calcium aqueous solution is 1.15~1.20g/mL.
Additionally, it is provided a kind of preparation method of the above-mentioned ceramic cup containing titanium-type, the preparation method comprises the following steps：
A, various raw materials are weighed first, in accordance with the raw material composition ratio of the above-mentioned ceramic cup containing titanium-type, by 180 mesh of granularity and with
Under fused brown corundum, silicon carbide, Guangxi white clay, fine silica powder, metallic silicon and titanium dioxide grind altogether uniformly, be made altogether it is levigate
Powder；
B, and then using granularity the raw material for being more than 180 mesh carries out 1~3min of mixed grind as aggregate, and bonding agent paper is added after mixed grind
3~5min of pulp waste mixed grind；It is subsequently added into total pulverized powder obtained by step a and carries out 5~8min of mixed grind, molding pug is made；
C, molding pug obtained by step b is pressed into adobe under 200~400MPa pressure, control adobe bulk density >=
3.2g/cm3；
D, adobe obtained by step c is placed in dry kiln and is dried, dry 10~15h at 40~60 DEG C, with 10 DEG C/h
Speed rise at 100~120 DEG C dry 20~30h；
E, the adobe after step d drying being burnt into using hyperthermia tunnel Kiln or shuttle kiln, firing temperature is 1400~
1550 DEG C, 10~20h, cooled to room temperature kiln discharge after firing are kept the temperature under firing temperature.
The positive beneficial effect of the present invention：
1, product ceramic cup containing titanium-type product of the present invention introduces titanium dioxide, through stringent on the basis of traditional ceramics cup
Control firing temperature after, the titanium dioxide being introduced into is scattered in article substrate well so that such ceramic cup product not because
There is the soft reduction of lotus for the introducing of new object phase, lotus is soft and other high temperature indexs are suitable with traditional ceramics cup product, and shows
It is also slightly reduced than traditional ceramics product in terms of the porosity, the performances such as infiltration of anti-hazardous medium are better than traditional ceramics cup system
Product.
2, the titanium dioxide i.e. titanium dioxide in Novel ceramic cup product prepared by the present invention, in use i.e. in height
Under conditions of temperature, high pressure, strong reduction, Ti can be formed（C、N）Equal objects phase, the formation of the object phase so that the product is using process
In deposition high-melting-point object phase Ti is especially easier in furnace retaining operating process（C、N）, to realize good furnace retaining effect.The hair
The application of the bright modern furnace retaining technology of successful application and cooperation, is expected to greatly improve the service life of blast furnace crucibe, improves blast furnace
Stabilization, Effec-tive Function.
Specific implementation mode：
The present invention is further explained with reference to embodiments, but is not intended to limit present disclosure.
Mass percentage >=94.5% of aluminium oxide in the fused brown corundum used in following embodiment, bulk density >=
3.8g/cm3；Mass percentage >=97% of silicon carbide in silicon carbide, the g/cm of bulk density >=3.123；It is aoxidized in the white clay of Guangxi
Mass percentage >=33% of aluminium, mass percentage≤1.5% of iron oxide；Fine silica powder be by 325 mesh screen residues≤
5% fine silica powder forms, SiO in fine silica powder2Mass percentage >=93.5%；The granularity of metallic silicon≤
180 mesh, mass percentage >=97% of silicon in metallic silicon；The mesh of the granularity of titanium dioxide≤1200, the titanium dioxide are rutile-type
Titanium dioxide, mass percentage >=97% of titanium dioxide in titanium dioxide；The bonding agent spent pulping liquor used is calcium lignosulfonate
The proportion of aqueous solution, calcium lignosulfonate aqueous solution is 1.15~1.20g/mL.
Embodiment 1：
Present invention ceramic cup containing titanium-type, is indicated with weight percentage, and the raw material group of the ceramic cup containing titanium-type becomes：Electric smelting palm fibre
Corundum 69%, silicon carbide 22%, Guangxi white clay 3%, fine silica powder 1%, metallic silicon 2% and titanium dioxide 3%；It is accounted in addition, being added
The spent pulping liquor of total raw material weight 3% is stated as bonding agent.
The fused brown corundum 69% is fused brown corundum 20%, the 1- of fused brown corundum 20% by granularity 5-3mm, 3-1mm
The fused brown corundum 14% of 0mm and the fused brown corundum 15% of 200 mesh form；
The silicon carbide 22% is by the silicon carbide 10% of granularity 3-1mm, the silicon carbide 7% of granularity 1-0mm and granularity≤200
Purpose silicon carbide 5% forms.
Embodiment 2：
Present invention ceramic cup containing titanium-type, is indicated with weight percentage, and the raw material group of the ceramic cup containing titanium-type becomes：Electric smelting palm fibre
Corundum 55%, silicon carbide 30%, Guangxi white clay 4%, fine silica powder 2%, metallic silicon 4% and titanium dioxide 5%；It is accounted in addition, being added
The spent pulping liquor of total raw material weight 3% is stated as bonding agent.
The fused brown corundum 55% is fused brown corundum 20%, the 1- of fused brown corundum 10% by granularity 5-3mm, 3-1mm
The fused brown corundum 10% of 0mm and the fused brown corundum 15% of 200 mesh form；
The silicon carbide 30% is by the silicon carbide 10% of granularity 3-1mm, the silicon carbide 10% of granularity 1-0mm and granularity≤200
Purpose silicon carbide 10% forms.
Embodiment 3：
Present invention ceramic cup containing titanium-type, is indicated with weight percentage, and the raw material group of the ceramic cup containing titanium-type becomes：Electric smelting palm fibre
Corundum 80%, silicon carbide 10%, Guangxi white clay 1%, fine silica powder 3%, metallic silicon 5% and titanium dioxide 1%；It is accounted in addition, being added
The spent pulping liquor of total raw material weight 3% is stated as bonding agent.
The fused brown corundum 80% is fused brown corundum 30%, the 1- of fused brown corundum 20% by granularity 5-3mm, 3-1mm
The fused brown corundum 15% of 0mm and the fused brown corundum 15% of 200 mesh form；
The silicon carbide 10% by granularity 1-0mm silicon carbide 5% and granularity≤200 the silicon carbide 5% of mesh form.
The preparation method of 1~3 large blast furnace of embodiment of the present invention ceramic cup containing titanium-type, detailed step are：
A, it is weighed first, in accordance with the raw material composition ratio of any ceramic cup containing titanium-type of above-described embodiment 1~3 various
Raw material grinds 180 mesh of granularity and Brown Alundum below, silicon carbide, metallic silicon, Guangxi white clay, silicon powder and titanium dioxide uniformly altogether,
Pulverized powder altogether is made；
B, and then using granularity the raw material for being more than 180 mesh carries out mixed grind 2min as aggregate, and it is mixed that spent pulping liquor is added after mixed grind
Grind 3min；Being subsequently added into gained, pulverized powder carries out mixed grind 10min altogether, and molding pug is made；
C, molding pug obtained by step b under 300MPa pressure is pressed into adobe, controls bulk density >=3.2g/cm3；
D, adobe obtained by step c is placed in dry kiln and is dried, dry 26h at 40~60 DEG C, with the speed of 10 DEG C/h
Degree, which rises at 100~120 DEG C, to be dried for 24 hours, kiln discharge；
E, the adobe after drying is burnt into using hyperthermia tunnel Kiln, firing temperature is 1500 DEG C, is protected under firing temperature
Warm 10h, cooled to room temperature kiln discharge after firing.
The performance technologies index of 1~3 products obtained therefrom ceramic cup containing titanium-type of the embodiment of the present invention, refers to table 1.
。
Claims (7)
1. a kind of ceramic cup containing titanium-type, which is characterized in that indicated with weight percentage, the raw material of ceramic cup containing the titanium-type composition
In contain fused brown corundum 55~80%, silicon carbide 10~30%, Guangxi white clay 1~4%, fine silica powder 1~3%, metallic silicon 2
~5% and titanium dioxide 1~5%；In addition, the spent pulping liquor for accounting for above-mentioned total raw material weight 2~4% is added as bonding agent；
The fused brown corundum 55~80% is the fused brown corundum 20 of fused brown corundum 10~20% by granularity 5-3mm, 3-1mm
~30%, the fused brown corundum 10~20% of the fused brown corundum 10~20% of 1-0mm and 200 mesh forms；In the fused brown corundum
Mass percentage >=94.5% of aluminium oxide, bulk density >=3.8g/cm3；
The silicon carbide 10~30% is by the silicon carbide 0~10% of granularity 3-1mm, the silicon carbide 5~15% of granularity 1-0mm and grain
The silicon carbide 5~15% for spending≤200 mesh forms；Mass percentage >=97% of silicon carbide in the silicon carbide, bulk density >=
3.12 g/cm3。
2. ceramic cup containing titanium-type according to claim 1, it is characterised in that：The quality hundred of aluminium oxide in the Guangxi white clay
Divide mass percentage≤1.5% of content >=33%, iron oxide.
3. ceramic cup containing titanium-type according to claim 1, it is characterised in that：The fine silica powder is sieved by 325 mesh
Remaining≤5% fine silica powder composition；SiO in the fine silica powder2Mass percentage >=93.5%.
4. ceramic cup containing titanium-type according to claim 1, it is characterised in that：The mesh of the granularity of the metallic silicon≤180；It is described
Mass percentage >=97% of silicon in metallic silicon.
5. ceramic cup containing titanium-type according to claim 1, it is characterised in that：The mesh of the granularity of the titanium dioxide≤1200；Institute
It is rutile type titanium white to state titanium dioxide, mass percentage >=97% of titanium dioxide in titanium dioxide.
6. ceramic cup containing titanium-type according to claim 1, it is characterised in that：The bonding agent spent pulping liquor is sulfomethylated lignin
The proportion of sour calcium aqueous solution, the calcium lignosulfonate aqueous solution is 1.15~1.20g/mL.
7. a kind of preparation method of the ceramic cup containing titanium-type described in claim 1, which is characterized in that the preparation method includes following
Step：
A, various raw materials are weighed first, in accordance with the raw material composition ratio of the ceramic cup containing titanium-type described in claim 1, by 180 mesh of granularity
And fused brown corundum below, silicon carbide, Guangxi white clay, fine silica powder, metallic silicon and titanium dioxide are ground uniformly altogether, are made altogether
Pulverized powder；
B, and then using granularity the raw material for being more than 180 mesh carries out 1~3min of mixed grind as aggregate, and it is useless that bonding agent paper pulp is added after mixed grind
3~5min of liquid mixed grind；It is subsequently added into total pulverized powder obtained by step a and carries out 5~8min of mixed grind, molding pug is made；
C, molding pug obtained by step b is pressed into adobe under 200~400MPa pressure, control adobe bulk density >=
3.2g/cm3；
D, adobe obtained by step c is placed in dry kiln and is dried, dry 10~15h at 40~60 DEG C, with the speed of 10 DEG C/h
Degree rises to dry 20~30h at 100~120 DEG C；
E, the adobe after step d dryings is burnt into using hyperthermia tunnel Kiln or shuttle kiln, firing temperature is 1400~1550
DEG C, 10~20h, cooled to room temperature kiln discharge after firing are kept the temperature under firing temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610216730.4A CN105859262B (en) | 2016-04-08 | 2016-04-08 | One kind ceramic cup containing titanium-type and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610216730.4A CN105859262B (en) | 2016-04-08 | 2016-04-08 | One kind ceramic cup containing titanium-type and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105859262A CN105859262A (en) | 2016-08-17 |
| CN105859262B true CN105859262B (en) | 2018-07-31 |
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| CN107962658B (en) * | 2017-12-04 | 2019-11-05 | 绍兴文理学院 | A kind of production method of the three ability teabowls with a cover to fit together perfectly |
| CN109730503A (en) * | 2019-01-10 | 2019-05-10 | 明光瑞尔非金属材料有限公司 | One kind cup of anti-bacteria ceramic containing titanium-type and preparation method thereof |
| CN110563451B (en) * | 2019-10-17 | 2022-03-15 | 长兴煤山新型炉料有限公司 | Ceramic ladle castable and preparation method thereof |
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| CN101712551A (en) * | 2009-10-28 | 2010-05-26 | 郑州真金耐火材料有限责任公司 | Method for producing silicon mullite abrasive brick |
| CN102391004A (en) * | 2011-08-09 | 2012-03-28 | 武汉科技大学 | Al2O3-SiC-C castable used for blast furnace iron tapping channel and preparation method thereof |
| CN102603312A (en) * | 2011-12-09 | 2012-07-25 | 河北省首钢迁安钢铁有限责任公司 | Anhydrous stemming for maintaining blast-furnace hearth and preparation method of anhydrous stemming |
| CN104072177A (en) * | 2014-07-16 | 2014-10-01 | 武汉科技大学 | Casting material containing carbon fiber for blast furnace tapping channel and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101712551A (en) * | 2009-10-28 | 2010-05-26 | 郑州真金耐火材料有限责任公司 | Method for producing silicon mullite abrasive brick |
| CN102391004A (en) * | 2011-08-09 | 2012-03-28 | 武汉科技大学 | Al2O3-SiC-C castable used for blast furnace iron tapping channel and preparation method thereof |
| CN102603312A (en) * | 2011-12-09 | 2012-07-25 | 河北省首钢迁安钢铁有限责任公司 | Anhydrous stemming for maintaining blast-furnace hearth and preparation method of anhydrous stemming |
| CN104072177A (en) * | 2014-07-16 | 2014-10-01 | 武汉科技大学 | Casting material containing carbon fiber for blast furnace tapping channel and preparation method thereof |
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