CN106986619A - High-temperature nano does not burn slide plate and its processing technology - Google Patents
High-temperature nano does not burn slide plate and its processing technology Download PDFInfo
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- CN106986619A CN106986619A CN201710163465.2A CN201710163465A CN106986619A CN 106986619 A CN106986619 A CN 106986619A CN 201710163465 A CN201710163465 A CN 201710163465A CN 106986619 A CN106986619 A CN 106986619A
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- slide plate
- processing technology
- burn
- temperature nano
- forming
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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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
- C04B35/103—Refractories from grain sized mixtures containing non-oxide refractory materials, e.g. carbon
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3826—Silicon carbides
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/402—Aluminium
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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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/425—Graphite
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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
Abstract
Slide plate and its processing technology are not burnt the present invention relates to a kind of high-temperature nano.By the way of being repeatedly molded, i.e., one-shot forming slide plate is first prepared, then on this basis outwardly through gradually extending several times, until molding the slide plate for meeting size requirement, the slide plate is integral type structure.The present invention is by the way of being repeatedly molded, utilize progressive mode, it can so make slide plate compacting more fine and close, and one-time formed size is larger, even if so post forming when one-time formed slide plate be compressed the generation damage that is not easy to deform, the present invention sets reinforced pipe simultaneously, to the stress load provided in pressing process, further ensures the Forming Quality of slide plate；Reinforced pipe is arranged to the structure type of hollow pipe by the further present invention simultaneously, so in post forming, three shapings, reinforced pipe can play certain carrying effect, deform and be closely embedded in groove when can also be compressed, it is ensured that the Forming Quality and tight consistency of slide plate.
Description
Technical field
Slide plate and its processing technology are not burnt the present invention relates to a kind of high-temperature nano, belong to technical field of refractory materials.
Background technology
Smelting iron and steel development of new techniques is rapid in recent decades, with continuing to develop for continuous casting technology, to continuous casting fire resisting
The requirement of material is improved therewith.In order to meet a new generation continuous casting technology it must possess excellent thermal-shock resistance, high temperature resist
Roll over intensity and thermal shock resistance.Slide plate is steel-making continuous casting feature refractory material, plays the work of control and regulation molten steel flow
With its quality level determines this service life, and its reliability is related to the safety of continuous casting, while also influenceing the matter of this steel
Amount.
Existing slide plate material is typically burnt till, energy based on aluminium carbon and aluminium zirconium carbon under 1500 degrees centigrade reducing atmospheres
Consumption is high and pollutes environment.For energy-conserving and environment-protective, shorten the production cycle of slide plate, many enterprise developments do not burn slide plate, and by original burning
Into aluminum-carbon sliding firing temperature from 1500 degrees centigrades, be reduced to 200 degrees centigrades and toasted, it is mainly applied
In the ladle continuous casting less than 90t, but such slide plate has elevated temperature strength low, the shortcomings of antioxygenic property is poor, and can only
Using once.
The content of the invention
The present invention is directed to drawbacks described above, it is therefore intended that provides a kind of good product performance, improve the service life of slide plate and steady
Qualitatively high-temperature nano does not burn slide plate and its processing technology.
It is for this technical solution adopted by the present invention：The present invention first prepares one-shot forming by the way of being repeatedly molded
Slide plate, then meets size requirement outwardly through gradually extending several times on the basis of one-shot forming slide plate until molding
Slide plate, the slide plate is integral type structure.
The present invention is molded by the way of being molded using three times, if the size of slide plate is s, and the size ratio of three shapings is one
Secondary shaping：Post forming：Three shapings=（0.4-0.6）s：（0.3-0.4）s：（0.1-0.2）s.
The one-shot forming slide plate outer surface sets fluted, and reinforced pipe is provided with the groove, then basic herein
During upper progress post forming, the one-shot forming slide plate is set to be shaped to post forming slide plate reinforced pipe compacting, with this side
Formula processing ultimately forms the slide plate for meeting size.
The reinforced pipe is hollow pipe.
Before the processing of one-shot forming slide plate, to each component after repeating fine grinding, mixing, breaking up step, finally mix
Carry out processing and forming.
The material for preparing the slide plate is made up of following components according to parts by weight：
Corundum 70% -80%；Aluminium powder 5% -7%；The % -5% of additive 3；Nano alumina powder 2% -5%；
Graphite 1% -3%；Carborundum 3% -5%；Bonding agent 4% -6%.
The bonding agent is thermosetting resin.
The additive includes accelerator for hardening, water reducer, swelling agent.
A kind of high-temperature nano, which is not burnt in slide plate, the slide plate, contains reinforced pipe.
It is an advantage of the invention that：The present invention is changed to existing formula and technique, to improve the high temperature for not burning slide plate
Performance and antioxygenic property；And improve company's sliding rate of slide plate.Change content：First, added on the basis of original formula micro-
The nano aluminium oxide micro mist of amount, makes the density of slide plate finer and close, and the stomata in base substrate tails off；Second, in terms of firing process
To the strict control of firing temperature, it is distributed the consistent internal structure of base substrate.
The present invention added in slide plate is not burnt appropriate nano aluminium oxide micro mist can obtain higher bulk density and compared with
The low porosity and water absorption rate；Other alumina-carbon slide plate cold crushing strength is increased slightly；High temperature break resistant intensity substantially increases,
Be conducive to improving the corrosion resistance and inoxidizability of slide plate, improve the service life and stability of slide plate.
The present invention is by the way of being repeatedly molded, using progressive mode, can so make slide plate compacting more fine and close, and
One-time formed size is larger, even if one-time formed slide plate is compressed and is not easy to the generation that deforms during such post forming
Damage, while the present invention sets reinforced pipe, to the stress load provided in pressing process, further ensure the shaping matter of slide plate
Amount；Reinforced pipe is arranged to the structure type of hollow pipe by the further present invention simultaneously, so in post forming, three shapings
When, reinforced pipe can play certain carrying effect, deform and be closely embedded in groove when can also be compressed, it is ensured that
The Forming Quality and tight consistency of slide plate.
Embodiment
The present invention first prepares one-shot forming slide plate by the way of being repeatedly molded, then on one-shot forming slide plate basis
On outwardly through gradually extending several times, until molding the slide plate for meeting size requirement, the slide plate is integral type structure.
The present invention is molded by the way of being molded using three times, if the size of slide plate is s, and the size ratio of three shapings is one
Secondary shaping：Post forming：Three shapings=（0.4-0.6）s：（0.3-0.4）s：（0.1-0.2）s.
The one-shot forming slide plate outer surface sets fluted, and reinforced pipe is provided with the groove, then basic herein
During upper progress post forming, the one-shot forming slide plate is set to be shaped to post forming slide plate reinforced pipe compacting, with this side
Formula processing ultimately forms the slide plate for meeting size.
The reinforced pipe is hollow pipe.
Before the processing of one-shot forming slide plate, to each component after repeating fine grinding, mixing, breaking up step, finally mix
Carry out processing and forming.
The material for preparing the slide plate is made up of following components according to parts by weight：
Corundum 70% -80%；Aluminium powder 5% -7%；The % -5% of additive 3；Nano alumina powder 2% -5%；
Graphite 1% -3%；Carborundum 3% -5%；Bonding agent 4% -6%.
The bonding agent is thermosetting resin.
The additive includes accelerator for hardening, water reducer, swelling agent.
A kind of high-temperature nano, which is not burnt in slide plate, the slide plate, contains reinforced pipe.
The molding mode of the present invention can realize the shaping of slide plate by the way of compressing.
It is handled as follows after each shaping：Adobe after shaping is put to designated area, allows it to spontaneously dry 8 small
When more than, be dried subsequently into dry kiln, drying temperature：50-100 degrees Celsius of first stage, second stage：100-150
Degree Celsius, 150-200 degrees Celsius of phase III, 180-250 degrees Celsius of fourth stage.
Each item data of the above-mentioned appearance of the present invention can be selected according to actual conditions in its interval, although using different
Data slide plate performance can be variant, but the slide plate processed is respectively provided with good combination property.
Adobe index measurement result is before present invention process formula is improved：Apparent porosity 9.5, bulk density 3.0, water suction
Rate 3.1, compressive resistance 186:；Adobe index measurement result is after technical recipe is improved：Below apparent porosity 8.0, volume is close
Degree more than 3.5, water absorption rate is below 1.8, compressive resistance more than 286.
Two groups of as shown by data more than, apparent porosity is gradually reduced after technical recipe is improved, and bulk density gradually increases
Greatly, water absorption rate is gradually reduced, and compressive resistance is increased substantially.
Contrast situation is as follows before and after the service condition at scene：By the product of original formula production, it is in client A use
Twice, coarse using rear plate face, borehole enlargement is serious；Formula is after improving, and product can be used three times in client A family,
It is still bright and clean using rear plate face, the expansion of aperture slightly.Formula substantially increases the service life of product as can be seen here after improving.
Product is as follows in the service condition of client B family：The product that originally formula is produced, at the scene in use, cracking, aquation
Than more serious, cause the phenomenon of many product rejections；Improve this phenomenon after formula production technology almost nil.As can be seen here,
Formula and technique reduce percent defective after improvement, greatly reduce the cost of production.
Claims (9)
1. high-temperature nano does not burn slide plate processing technology, it is characterised in that by the way of being repeatedly molded, i.e., first prepare one-shot forming
Slide plate, then meets size requirement outwardly through gradually extending several times on the basis of one-shot forming slide plate until molding
Slide plate, the slide plate is integral type structure.
2. high-temperature nano according to claim 1 does not burn slide plate processing technology, it is characterised in that using the side of three shapings
Formula is molded, if the size of slide plate is s, and the size ratio of three shapings is one-shot forming：Post forming：Three shapings=（0.4-
0.6）s：（0.3-0.4）s：（0.1-0.2）s.
3. high-temperature nano according to claim 1 does not burn slide plate processing technology, it is characterised in that the one-shot forming slide plate
Outer surface sets fluted, and reinforced pipe is provided with the groove, when then carrying out post forming on this basis, described will add
Strong pipe compacting makes the one-shot forming slide plate be shaped to post forming slide plate, and processing in this way ultimately forms the cunning for meeting size
Plate.
4. high-temperature nano according to claim 3 does not burn slide plate processing technology, it is characterised in that the reinforced pipe is hollow
Pipe.
5. high-temperature nano according to claim 1 does not burn slide plate processing technology, it is characterised in that add in one-shot forming slide plate
Before work, to each component after repeating fine grinding, mixing, breaking up step, finally mixing carries out processing and forming.
6. high-temperature nano according to claim 1 does not burn slide plate processing technology, it is characterised in that prepare the thing of the slide plate
Material is made up of following components according to parts by weight：
Corundum 70% -80%；Aluminium powder 5% -7%；The % -5% of additive 3；Nano alumina powder 2% -5%；
Graphite 1% -3%；Carborundum 3% -5%；Bonding agent 4% -6%.
7. high-temperature nano according to claim 6 does not burn slide plate processing technology, it is characterised in that the bonding agent is thermosetting
Property resin.
8. high-temperature nano according to claim 6 does not burn slide plate processing technology, it is characterised in that the additive includes promoting
Hard agent, water reducer, swelling agent.
9. a kind of high-temperature nano does not burn slide plate, it is characterised in that contain reinforced pipe in the slide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163465.2A CN106986619B (en) | 2017-03-19 | 2017-03-19 | High-temperature nano unfired sliding plate and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163465.2A CN106986619B (en) | 2017-03-19 | 2017-03-19 | High-temperature nano unfired sliding plate and processing technology thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106986619A true CN106986619A (en) | 2017-07-28 |
| CN106986619B CN106986619B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710163465.2A Active CN106986619B (en) | 2017-03-19 | 2017-03-19 | High-temperature nano unfired sliding plate and processing technology thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109265147A (en) * | 2018-10-11 | 2019-01-25 | 大同新成新材料股份有限公司 | A kind of preparation process being burnt into aluminum-carbon sliding |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2116280C1 (en) * | 1996-02-06 | 1998-07-27 | Российский химико-технологический университет им.Д.И.Менделеева | Method of manufacturing ceramic products |
| CN1686921A (en) * | 2005-03-29 | 2005-10-26 | 郑州大学 | Method for fabricating low carbon Al2O3 slide brick based on bauxite beta-Sialon |
| CN101134347A (en) * | 2007-09-30 | 2008-03-05 | 河南省伯马股份有限公司 | Production technology of unburned aluminum carbon sliding brick containing nanometer aluminum oxide |
| CN103819129A (en) * | 2013-12-31 | 2014-05-28 | 北京仁创生态环保科技有限公司 | Weather-resistant silica sand hanging plate and preparation method thereof |
| CN104692820A (en) * | 2015-03-02 | 2015-06-10 | 营口瑞德镁质材料科技有限公司 | High-temperature compact unfired composite brick and forming technique thereof |
-
2017
- 2017-03-19 CN CN201710163465.2A patent/CN106986619B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2116280C1 (en) * | 1996-02-06 | 1998-07-27 | Российский химико-технологический университет им.Д.И.Менделеева | Method of manufacturing ceramic products |
| CN1686921A (en) * | 2005-03-29 | 2005-10-26 | 郑州大学 | Method for fabricating low carbon Al2O3 slide brick based on bauxite beta-Sialon |
| CN101134347A (en) * | 2007-09-30 | 2008-03-05 | 河南省伯马股份有限公司 | Production technology of unburned aluminum carbon sliding brick containing nanometer aluminum oxide |
| CN103819129A (en) * | 2013-12-31 | 2014-05-28 | 北京仁创生态环保科技有限公司 | Weather-resistant silica sand hanging plate and preparation method thereof |
| CN104692820A (en) * | 2015-03-02 | 2015-06-10 | 营口瑞德镁质材料科技有限公司 | High-temperature compact unfired composite brick and forming technique thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109265147A (en) * | 2018-10-11 | 2019-01-25 | 大同新成新材料股份有限公司 | A kind of preparation process being burnt into aluminum-carbon sliding |
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| CN106986619B (en) | 2020-06-23 |
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