CN105272286A - Protection liner plate for vacuum melting furnace - Google Patents
Protection liner plate for vacuum melting furnace Download PDFInfo
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- CN105272286A CN105272286A CN201510665032.8A CN201510665032A CN105272286A CN 105272286 A CN105272286 A CN 105272286A CN 201510665032 A CN201510665032 A CN 201510665032A CN 105272286 A CN105272286 A CN 105272286A
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Abstract
A protection liner plate for a vacuum melting furnace comprises a bottom material, a surface material, and a bonding material, wherein the bottom material comprises the following raw material components: 5 to 10 parts of graphene, 10 to 15 parts of alumina, 20 to 30 parts of corundum, 20 to 30 parts of mullite, 10 to 12 parts of chlorate cement, 2 to 4 parts of aluminum phosphate, and 1 to 3 parts of sodium hexametaphosphate; the average particle size of the raw material components of the bottom material is smaller than or equal to 0.5 [mu]m; the surface material comprises the following raw material components: 10 to 13 parts of aluminum oxide, 10 to 15 parts of kieselguhr, 20 to 25 parts of corundum, 15 to 20 parts of mullite, 5 to 8 parts of chlorate cement, 1 to 3 parts of aluminum phosphate, and 1 to 3 parts of sodium hexametaphosphate; the average particle size of the raw material components of the surface material is between 2 [mu]m and 5 [mu]m; the bonding material comprises the following raw material components: 10 to 16 parts of sodium metaaluminate, and 10 to 20 parts of sodium silicate. The liner plate can absorb volatilized metal particles during operation of the vacuum melting furnace, and can be taken out and cleaned up when the vacuum melting furnace is idle.
Description
Technical field
The present invention relates to vacuum melting furnace technical field, especially relate to a kind of liner plate for the protection of vacuum melting furnace.
Background technology
Operationally, the metal of its inside can evaporate vacuum melting furnace, deposits to body of heater, furnace wall and connects on the All other routes of body of heater, if temperature is too high, and can interior Discharge Phenomena in smelting furnace in fusion process.General maintenance process is when vacuum melting furnace does not work, and manually wipes the metal refining of furnace interior.The bothersome effort of this mode, also easily wipes unclean.
Summary of the invention
For the problems referred to above that prior art exists, the applicant provides a kind of vacuum melting furnace protection liner plate.This liner plate, can the metallic particles of adsorbing volatilizing when vacuum melting furnace works, and when vacuum melting furnace does not work, is taken out by liner plate and cleans out.
Technical scheme of the present invention is as follows:
A kind of vacuum melting furnace protection liner plate, is combined by bed material, fabric and binding material;
The feed composition of described bed material and the parts by weight of each component are:
Graphene 5 ~ 10 parts, 10 ~ 15 parts, alumina, 20 ~ 30 parts, corundum, mullite 20 ~ 30 parts, oxymuriate cement 10 ~ 12 parts, aluminum phosphate 2 ~ 4 parts, Sodium hexametaphosphate 99 1 ~ 3 part; Mean particle size≤0.5 μm of each feed composition of described bed material;
The feed composition of described fabric and the parts by weight of each component are:
10 ~ 13 parts, aluminum oxide, 10 ~ 15 parts, diatomite, 20 ~ 25 parts, corundum, mullite 15 ~ 20 parts, oxymuriate cement 5 ~ 8 parts, aluminum phosphate 1 ~ 3 part, Sodium hexametaphosphate 99 1 ~ 3 part;
The mean particle size of each feed composition of described fabric is 2 ~ 5 μm;
The feed composition of described binding material is: sodium metaaluminate 10 ~ 16 parts, water glass 10 ~ 20 parts;
The preparation method of described vacuum melting furnace protection liner plate is as follows:
(1) each component of bed material and sodium metaaluminate 5 ~ 8 parts, water glass 5 ~ 10 parts are put into mould after mixing, make the tabular of applicable vacuum melting furnace interior shape;
(2), after each component of fabric and sodium metaaluminate 5 ~ 8 parts, water glass 5 ~ 10 parts being mixed, be coated on a face of the tabular that step (1) prepares, coating thickness is 10 ~ 20 μm;
(3) plate step (2) obtained is under the condition vacuumized, and sinter 1 ~ 2 hour at 800 ~ 1000 DEG C, Temperature fall under the condition vacuumized, to obtain final product.
The technique effect that the present invention is useful is:
The liner plate that the present invention prepares can be put on the inwall of vacuum melting furnace, during vacuum melting furnace work, is deposited on liner plate when the metal in it volatilizees; When after end-of-job, liner plate is taken out, cleaning liner plate.
The liner plate that the present invention prepares has good resistance toheat, can bear the high temperature in vacuum melting furnace.And good integral strength, durable, long service life.This liner plate is divided into two-layer, and this is absorption for the ease of metal-powder and cleaning; Combine firmly between two-layer, not easy to crack.The present invention greatly reduces time and the cost of cleaning vacuum melting furnace.
Embodiment
Below in conjunction with embodiment, the present invention is specifically described.
Embodiment 1
Vacuum melting furnace protection liner plate provided by the invention, is combined by bed material, fabric and binding material;
The feed composition of described bed material and the parts by weight of each component are:
Graphene 10 parts, 15 parts, alumina, 30 parts, corundum, mullite 30 parts, oxymuriate cement 12 parts, aluminum phosphate 4 parts, Sodium hexametaphosphate 99 3 parts; Mean particle size≤0.5 μm of each feed composition of described bed material;
The feed composition of described fabric and the parts by weight of each component are:
13 parts, aluminum oxide, 15 parts, diatomite, 25 parts, corundum, mullite 20 parts, oxymuriate cement 8 parts, aluminum phosphate 3 parts, Sodium hexametaphosphate 99 3 parts;
The mean particle size of each feed composition of described fabric is 5 μm;
The feed composition of described binding material is: sodium metaaluminate 16 parts, water glass 20 parts;
The preparation method of described vacuum melting furnace protection liner plate is as follows:
(1) each component of bed material and sodium metaaluminate 8 parts, water glass 10 parts are put into mould after mixing, make the tabular of applicable vacuum melting furnace interior shape;
(2), after each component of fabric and sodium metaaluminate 8 parts, water glass 10 parts being mixed, be coated on a face of the tabular that step (1) prepares, coating thickness is 20 μm;
(3) plate step (2) obtained is under the condition vacuumized, and sinter 2 hours at 1000 DEG C, Temperature fall under the condition vacuumized, to obtain final product.
Embodiment 2
Vacuum melting furnace protection liner plate provided by the invention, is combined by bed material, fabric and binding material;
The feed composition of described bed material and the parts by weight of each component are:
Graphene 5 parts, 10 parts, alumina, 20 parts, corundum, mullite 20 parts, oxymuriate cement 10 parts, aluminum phosphate 2 parts, Sodium hexametaphosphate 99 1 part; Mean particle size≤0.5 μm of each feed composition of described bed material;
The feed composition of described fabric and the parts by weight of each component are:
10 parts, aluminum oxide, 10 parts, diatomite, 20 parts, corundum, mullite 15 parts, oxymuriate cement 5 parts, aluminum phosphate 1 part, Sodium hexametaphosphate 99 1 part;
The mean particle size of each feed composition of described fabric is 2 μm;
The feed composition of described binding material is: sodium metaaluminate 10 parts, water glass 10 parts;
The preparation method of described vacuum melting furnace protection liner plate is as follows:
(1) each component of bed material and sodium metaaluminate 5 parts, water glass 5 parts are put into mould after mixing, make the tabular of applicable vacuum melting furnace interior shape;
(2), after each component of fabric and sodium metaaluminate 5 parts, water glass 5 parts being mixed, be coated on a face of the tabular that step (1) prepares, coating thickness is 10 μm;
(3) plate step (2) obtained is under the condition vacuumized, and sinter 1 hour at 800 DEG C, Temperature fall under the condition vacuumized, to obtain final product.
Embodiment 3
Vacuum melting furnace protection liner plate provided by the invention, is combined by bed material, fabric and binding material;
The feed composition of described bed material and the parts by weight of each component are:
Graphene 8 parts, 12 parts, alumina, 25 parts, corundum, mullite 25 parts, oxymuriate cement 11 parts, aluminum phosphate 3 parts, Sodium hexametaphosphate 99 2 parts; Mean particle size≤0.5 μm of each feed composition of described bed material;
The feed composition of described fabric and the parts by weight of each component are:
12 parts, aluminum oxide, 13 parts, diatomite, 22 parts, corundum, mullite 18 parts, oxymuriate cement 7 parts, aluminum phosphate 2 parts, Sodium hexametaphosphate 99 2 parts;
The mean particle size of each feed composition of described fabric is 4 μm;
The feed composition of described binding material is: sodium metaaluminate 12 parts, water glass 15 parts;
The preparation method of described vacuum melting furnace protection liner plate is as follows:
(1) each component of bed material and sodium metaaluminate 6 parts, water glass 8 parts are put into mould after mixing, make the tabular of applicable vacuum melting furnace interior shape;
(2), after each component of fabric and sodium metaaluminate 6 parts, water glass 7 parts being mixed, be coated on a face of the tabular that step (1) prepares, coating thickness is 10 ~ 20 μm;
(3) plate step (2) obtained is under the condition vacuumized, and sinter 1.5 hours at 900 DEG C, Temperature fall under the condition vacuumized, to obtain final product.
Test case:
The heat resisting temperature of the liner plate that the present invention prepares is 1800 ~ 1850 DEG C, and folding strength is 8 ~ 11MPa, and tensile strength is 3 ~ 3.5MPa, and the liner that can meet vacuum melting furnace uses, and compact structure, not easy to crack.
Claims (2)
1. a vacuum melting furnace protection liner plate, is characterized in that being combined by bed material, fabric and binding material;
The feed composition of described bed material and the parts by weight of each component are:
Graphene 5 ~ 10 parts, 10 ~ 15 parts, alumina, 20 ~ 30 parts, corundum, mullite 20 ~ 30 parts, oxymuriate cement 10 ~ 12 parts, aluminum phosphate 2 ~ 4 parts, Sodium hexametaphosphate 99 1 ~ 3 part; Mean particle size≤0.5 μm of each feed composition of described bed material;
The feed composition of described fabric and the parts by weight of each component are:
10 ~ 13 parts, aluminum oxide, 10 ~ 15 parts, diatomite, 20 ~ 25 parts, corundum, mullite 15 ~ 20 parts, oxymuriate cement 5 ~ 8 parts, aluminum phosphate 1 ~ 3 part, Sodium hexametaphosphate 99 1 ~ 3 part;
The mean particle size of each feed composition of described fabric is 2 ~ 5 μm;
The feed composition of described binding material is: sodium metaaluminate 10 ~ 16 parts, water glass 10 ~ 20 parts.
2. vacuum melting furnace protection liner plate according to claim 1, is characterized in that the preparation method of described liner plate is as follows:
(1) each component of bed material and sodium metaaluminate 5 ~ 8 parts, water glass 5 ~ 10 parts are put into mould after mixing, make the tabular of applicable vacuum melting furnace interior shape;
(2), after each component of fabric and sodium metaaluminate 5 ~ 8 parts, water glass 5 ~ 10 parts being mixed, be coated on a face of the tabular that step (1) prepares, coating thickness is 10 ~ 20 μm;
(3) plate step (2) obtained is under the condition vacuumized, and sinter 1 ~ 2 hour at 800 ~ 1000 DEG C, Temperature fall under the condition vacuumized, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510665032.8A CN105272286B (en) | 2015-10-15 | 2015-10-15 | A kind of vacuum melting furnace protection liner plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510665032.8A CN105272286B (en) | 2015-10-15 | 2015-10-15 | A kind of vacuum melting furnace protection liner plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105272286A true CN105272286A (en) | 2016-01-27 |
| CN105272286B CN105272286B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510665032.8A Active CN105272286B (en) | 2015-10-15 | 2015-10-15 | A kind of vacuum melting furnace protection liner plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321998A (en) * | 2022-08-31 | 2022-11-11 | 湖南湘钢瑞泰科技有限公司 | Coil castable composition for intermediate frequency furnace, castable and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154955A (en) * | 1996-08-08 | 1997-07-23 | 樊龙生 | Liner for steel-making pouring-basket and making method thereof |
| CN1187479A (en) * | 1997-09-04 | 1998-07-15 | 赵德胜 | Method for producing corundum ceramics using alumine as main raw material and its products |
| CN1821165A (en) * | 2006-02-28 | 2006-08-23 | 武东生 | Aluminium oxide ceramic composite lining board and preparing method |
| CN102167601A (en) * | 2010-12-20 | 2011-08-31 | 中钢集团洛阳耐火材料研究院有限公司 | Corundum-mullite burn-bearing board having high fineness |
| CN102219481A (en) * | 2011-04-14 | 2011-10-19 | 武东生 | Alumina ceramic composite lining plate and preparation method thereof |
-
2015
- 2015-10-15 CN CN201510665032.8A patent/CN105272286B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154955A (en) * | 1996-08-08 | 1997-07-23 | 樊龙生 | Liner for steel-making pouring-basket and making method thereof |
| CN1187479A (en) * | 1997-09-04 | 1998-07-15 | 赵德胜 | Method for producing corundum ceramics using alumine as main raw material and its products |
| CN1821165A (en) * | 2006-02-28 | 2006-08-23 | 武东生 | Aluminium oxide ceramic composite lining board and preparing method |
| CN102167601A (en) * | 2010-12-20 | 2011-08-31 | 中钢集团洛阳耐火材料研究院有限公司 | Corundum-mullite burn-bearing board having high fineness |
| CN102219481A (en) * | 2011-04-14 | 2011-10-19 | 武东生 | Alumina ceramic composite lining plate and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321998A (en) * | 2022-08-31 | 2022-11-11 | 湖南湘钢瑞泰科技有限公司 | Coil castable composition for intermediate frequency furnace, castable and preparation method thereof |
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| CN105272286B (en) | 2017-06-16 |
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