CN101592440B - Leak-proof protection device of vacuum furnace and formula and preparation process thereof - Google Patents
Leak-proof protection device of vacuum furnace and formula and preparation process thereof Download PDFInfo
- Publication number
- CN101592440B CN101592440B CN200910304498XA CN200910304498A CN101592440B CN 101592440 B CN101592440 B CN 101592440B CN 200910304498X A CN200910304498X A CN 200910304498XA CN 200910304498 A CN200910304498 A CN 200910304498A CN 101592440 B CN101592440 B CN 101592440B
- Authority
- CN
- China
- Prior art keywords
- leak
- protection device
- proof protection
- vacuum furnace
- principal component
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Secondary Cells (AREA)
- Conductive Materials (AREA)
Abstract
The invention relates to a leak-proof protection device of a vacuum furnace and a formula and a preparation process thereof. The technical proposal is that the leak-proof protection device is a vessel matched with a vacuum hearth. The leak-proof protection device has the advantages of high hardness and tolerance of high temperature of 2,400 DEG C and vacuum high pressure, can ensure that a vacuum furnace body does not explode under the condition that a melting crucible of the vacuum furnace is fractured and a molten liquid raw material is seeped, and has low cost and long service life.
Description
Technical field
The present invention relates to a kind of leak-proof protection device of vacuum furnace, its prescription and preparation technology.
Background technology
Vacuum drying oven is mainly used in and refines certain specific highly purified metal or non-metal simple-substance, as refines highly purified gold or highly purified silicon etc.But general furnace temperature is all up to more than 1700 ℃ in extractive process, in the body of heater of sealing, under so high temperature, the crucible that holds material liquid in the vacuum drying oven is easy to generate and breaks and cause the material liquid seepage, up to the feed liquid seepage more than 1700 ℃ after dropping onto the bottom of furnace body of vacuum drying oven, because bottom of furnace body can't bear so high temperature, and make body of heater breakdown, cause the cooling water in the furnace sandwich, moment meets high temperature and is decomposed and produces a large amount of gas, makes in the body of heater moment produce gases at high pressure and blasts.But also can't solve so far both at home and abroad because of the crucible feed liquid that produces of breaking and puncture the blast problem that produces at the bottom of the vacuum drying oven.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective that prior art exists, even provide a kind of safe and reliable crucible to break, also can not puncture leak-proof protection device of vacuum furnace, its prescription and the preparation technology who causes blast at the bottom of the vacuum drying oven because of the feed liquid seepage.
Technical scheme of the present invention is as follows: it is the container that matches with the vacuum drying oven Bottom Shape, described container for middle be provided with axis hole, bottom be flat or circular arc, be equipped with the toroidal container of the outer edge that raises up in axis hole limit and outer side edges; The internal diameter of the external diameter of outer edge and high pressure vacuum stove internal face matches; It is characterized in that: this container adopts the material formula of following weight fraction ratio to be mixed and made into: with electrode paste 80 ~ 95%, and carborundum 2 ~ 8%, alundum (Al 1 ~ 9%, magnesia 2 ~ 7%, concentration is 95% sodium carbonate liquor 1 ~ 9%, and water 1 ~ 8% is principal component, constitutes 100% mixing ratio; With the sodium metasilicate pulvis is adhesive, and addition is 10 ~ 20% of a principal component total amount.
This container adopts the material formula of following weight fraction ratio to be mixed and made into: electrode paste 80 ~ 95%, and carborundum 2 ~ 8%, alundum (Al 1 ~ 9%, magnesia 2 ~ 7%, sodium carbonate liquor 1 ~ 9%, water 1 ~ 8% is principal component, constitutes 100% mixing ratio; With the sodium metasilicate pulvis is adhesive, and addition is 10 ~ 20% of a principal component total amount.
The present invention has the hardness height, can tolerate the advantage of 2400 ℃ of high temperature and vacuum high-pressure, can guarantee that melting kettle breaks in vacuum drying oven, by under the situation of the liquid material seepage of melting, and vacuum furnace body is not blasted, and the low long service life of cost.
Description of drawings
Fig. 1 is the schematic diagram of a kind of structure of the present invention.
Fig. 2 is the schematic diagram of the another kind of structure of the present invention.
Label declaration: 1 container, 2 axis holes, 3 inside edges, 4 outer edges.
The specific embodiment
As shown in Figure 1, the present invention for the centre be provided with axis hole, bottom be flat (as shown in Figure 1) or circular arc (as shown in Figure 2), be respectively equipped with the inside edge that raises up and the toroidal container of outer edge in axis hole limit and outer side edges.The internal diameter of the external diameter of outer edge and high pressure vacuum stove internal face matches.
Embodiment 1:
Leak-proof protection device of vacuum furnace of the present invention is that the material by following weight fraction ratio is mixed and made into: electrode paste 80%, and carborundum 5%, alundum (Al 5%, magnesia 5%, sodium carbonate liquor (concentration is 95%) 3%, water 2% is principal component, constitutes 100% mixing ratio; With the sodium metasilicate pulvis is adhesive, and addition is 15% of a principal component.
Preparation technology of the present invention is as follows: with electrode paste, carborundum, alundum (Al, magnesia is primary raw material, with sodium metasilicate (being commonly called as waterglass) pulvis is adhesive, after adopting ultra-pure water that above-mentioned substance is carried out mixing and stirring, moldings formed therefrom, process by operations such as high-temperature calcination, die moulds then, in calcination process, constantly evaporate owing to moisture, the model that causes calcining constantly dwindles, so need constantly the above-mentioned composite material of filling model in the mould, and compacting, with guarantee the global density unanimity, be heated evenly not easy to crack.Calcination process need continue about 6 hours, and through can from mould, taking out model after the nature cooling.
Embodiment 2: this container adopts the material formula of following weight fraction ratio to be mixed and made into: electrode paste 90%, carborundum 2%, alundum (Al 1%, magnesia 2%, sodium carbonate liquor (concentration is 95%) 3%, water 2%.The sodium metasilicate addition is 10% of a principal component total amount; All the other are identical with enforcement 4 examples 1.
Embodiment 3: this container adopts the material formula of following weight fraction ratio to be mixed and made into: electrode paste 85%, carborundum 3%, alundum (Al 4%, magnesia 3%, sodium carbonate liquor (concentration is 95%) 4%, water 1%.The sodium metasilicate addition is 16% of a principal component total amount; All the other are identical with embodiment 1.
Embodiment 4: this container adopts the material formula of following weight fraction ratio to be mixed and made into: electrode paste 85%, carborundum 4%, alundum (Al 4%, magnesia 2%, sodium carbonate liquor (concentration is 95%) 2%, water 3%.The sodium metasilicate addition is 18% of a principal component total amount, and all the other are identical with embodiment 1.
Embodiment 5: this container adopts the material formula of following weight fraction ratio to be mixed and made into: electrode paste 93%, carborundum 2%, alundum (Al 1%, magnesia 2%, sodium carbonate liquor (concentration is 95%) 1%, water 1%.The sodium metasilicate addition is 20% of a principal component total amount; All the other are identical with embodiment 1.
Embodiment 5: this container adopts the material formula of following weight fraction ratio to be mixed and made into: electrode paste 83%, carborundum 3%, alundum (Al 3%, magnesia 3%, sodium carbonate liquor (concentration is 95%) 3%, water 5%.The sodium metasilicate addition is 12% of a principal component total amount; All the other are identical with embodiment 1.
The present invention can make product of the present invention by the material formula that the arbitrary value in each composition interval range in the claim 1 is formed.
Claims (8)
1. leak-proof protection device of vacuum furnace, it is the container that matches with the vacuum drying oven Bottom Shape; Described container for middle be provided with axis hole, bottom be flat or circular arc, be equipped with the toroidal container of the outer edge that raises up in axis hole limit and outer side edges; The internal diameter of the external diameter of outer edge and high pressure vacuum stove internal face matches; It is characterized in that: this container adopts the material formula of following weight fraction ratio to be mixed and made into: with electrode paste 80 ~ 95%, and carborundum 2 ~ 8%, alundum (Al 1 ~ 9%, magnesia 2 ~ 7%, concentration is 95% sodium carbonate liquor 1 ~ 9%, and water 1 ~ 8% is principal component, constitutes 100% mixing ratio; With the sodium metasilicate pulvis is adhesive, and addition is 10 ~ 20% of a principal component total amount.
2. leak-proof protection device of vacuum furnace according to claim 1, it is characterized in that: it is that material by following weight fraction ratio is mixed and made into: electrode paste 80%, carborundum 5%, alundum (Al 5%, magnesia 5%, concentration is 95% sodium carbonate liquor 3%, and water 2% is principal component, constitutes 100% mixing ratio; With the sodium metasilicate pulvis is adhesive, and addition is 15% of a principal component total amount.
3. leak-proof protection device of vacuum furnace according to claim 1 is characterized in that: it is that material by following weight fraction ratio is mixed and made into: electrode paste 90%, and carborundum 2%, alundum (Al 1%, magnesia 2%, concentration is 95% sodium carbonate liquor 3%, water 2%; The sodium metasilicate addition is 10% of a principal component total amount.
4. leak-proof protection device of vacuum furnace according to claim 1 is characterized in that: it is that material by following weight fraction ratio is mixed and made into: electrode paste 85%, and carborundum 3%, alundum (Al 4%, magnesia 3%, concentration is 95% sodium carbonate liquor 4%, water 1%; The sodium metasilicate addition is 16% of a principal component total amount.
5. leak-proof protection device of vacuum furnace according to claim 1 is characterized in that: it is that material by following weight fraction ratio is mixed and made into: electrode paste 85%, and carborundum 4%, alundum (Al 4%, magnesia 2%, concentration is 95% sodium carbonate liquor 2%, water 3%; The sodium metasilicate addition is 18% of a principal component total amount.
6. leak-proof protection device of vacuum furnace according to claim 1 is characterized in that: it is that material by following weight fraction ratio is mixed and made into: electrode paste 93%, and carborundum 2%, alundum (Al 1%, magnesia 2%, concentration is 95% sodium carbonate liquor 1%, water 1%; The sodium metasilicate addition is 20% of a principal component total amount.
7. leak-proof protection device of vacuum furnace according to claim 1 is characterized in that: it is that material by following weight fraction ratio is mixed and made into: electrode paste 83%, and carborundum 3%, alundum (Al 3%, magnesia 3%, concentration is 95% sodium carbonate liquor 3%, water 5%.The sodium metasilicate addition is 12% of a principal component total amount.
8. the preparation technology of leak-proof protection device of vacuum furnace according to claim 1, it is characterized in that: with electrode paste, carborundum, alundum (Al, magnesia, sodium carbonate liquor, water is primary raw material, with the sodium metasilicate pulvis is adhesive, after with ultra-pure water above-mentioned substance being carried out mixing and stirring, moldings formed therefrom, then by high-temperature calcination, pressure-type process processes, in calcination process, constantly evaporate owing to moisture, the model that causes calcining constantly dwindles, so need constantly the above-mentioned composite material of filling model in the mould, and compacting, to guarantee the global density unanimity, be heated evenly not easy to crack; Calcination process need continue about 6 hours, and through can from mould, taking out model after the nature cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910304498XA CN101592440B (en) | 2009-07-17 | 2009-07-17 | Leak-proof protection device of vacuum furnace and formula and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910304498XA CN101592440B (en) | 2009-07-17 | 2009-07-17 | Leak-proof protection device of vacuum furnace and formula and preparation process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101592440A CN101592440A (en) | 2009-12-02 |
| CN101592440B true CN101592440B (en) | 2011-03-16 |
Family
ID=41407228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910304498XA Expired - Fee Related CN101592440B (en) | 2009-07-17 | 2009-07-17 | Leak-proof protection device of vacuum furnace and formula and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101592440B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229428A (en) * | 2011-05-13 | 2011-11-02 | 周玉林 | Leakage-proof manufacturing technology for smelting extra large crucible by using photovoltaic silicon |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187770Y (en) * | 1994-01-22 | 1995-01-18 | 袁杰军 | Crucible type electric furnace automatic leakage protection device |
| EP1754807A2 (en) * | 2005-08-18 | 2007-02-21 | BP Corporation North America Inc. | An insulation package for use in high temperature furnaces |
| CN101423219A (en) * | 2008-11-17 | 2009-05-06 | 上海普罗新能源有限公司 | Polycrystalline silicon purification or silicon liquid leakage defense device of ingot furnace |
| CN201245726Y (en) * | 2008-08-22 | 2009-05-27 | 江西赛维Ldk太阳能高科技有限公司 | Crucible support for supporting crucible lower part for polycrystalline silicon production field and preventing leakage flow |
-
2009
- 2009-07-17 CN CN200910304498XA patent/CN101592440B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187770Y (en) * | 1994-01-22 | 1995-01-18 | 袁杰军 | Crucible type electric furnace automatic leakage protection device |
| EP1754807A2 (en) * | 2005-08-18 | 2007-02-21 | BP Corporation North America Inc. | An insulation package for use in high temperature furnaces |
| CN201245726Y (en) * | 2008-08-22 | 2009-05-27 | 江西赛维Ldk太阳能高科技有限公司 | Crucible support for supporting crucible lower part for polycrystalline silicon production field and preventing leakage flow |
| CN101423219A (en) * | 2008-11-17 | 2009-05-06 | 上海普罗新能源有限公司 | Polycrystalline silicon purification or silicon liquid leakage defense device of ingot furnace |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-248362A 1999.09.14 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101592440A (en) | 2009-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106007742B (en) | A kind of lateritic nickel ore rotary kiln titanium calcium aluminate brick and preparation method thereof | |
| CN104445396B (en) | A kind of zirconic preparation method of high-purity electro-melting | |
| CN102219530B (en) | Silicon mullite brick and preparation method thereof | |
| CN104446390A (en) | Preparation method for magnetism-containing modified corundum composite material | |
| CN109095779A (en) | A method of crystallite stone material or road dental calculus are prepared using high calcium liquid manganese slag | |
| CN108585553A (en) | A kind of preparation method of the big crystallization fused magnesite of low silicon high calcium | |
| CN104261848A (en) | Chrome-oxide-containing mullite brick and preparation method thereof | |
| CN106145686B (en) | A kind of complicated utilization Pb-Zn tailings, devitrified glass of electrolytic manganese waste residue and preparation method thereof | |
| CN101112986B (en) | Method for producing industrial silicon by using petroleum coke as reducing agent | |
| CN101592440B (en) | Leak-proof protection device of vacuum furnace and formula and preparation process thereof | |
| CN109338123A (en) | High efficiency Smelting magnesium method and smelting device for this method | |
| CN108046617A (en) | A kind of high-purity metallurgy lime and preparation method thereof | |
| CN103771890B (en) | The production method of the anistree cylinder checker of a kind of AZS casting zirconia corundum | |
| CN107793049A (en) | A kind of energy-saving processing technique using twin beams kiln calcined limestone | |
| CN105420516A (en) | Novel process for continuously smelting magnesium metal with electric furnace | |
| CN201476550U (en) | Leakage-proof protection device of vacuum furnace | |
| CN101214985A (en) | Technique for preparing brown corundum | |
| CN102795620A (en) | Compression roasting furnace for producing high-purity graphite | |
| CN105112648A (en) | Microwave roasting method for improving activity of boron concentrates | |
| CN106145979A (en) | A kind of pouring materialfor steel ladle | |
| CN104478453A (en) | Prefabricated continuous casting medium package flow returner and preparation method thereof | |
| CN106316426B (en) | A kind of Resisting fractre refractory material and its preparation process | |
| CN104163637A (en) | Carbon composite fireproof material for blast furnace iron runner and preparation method thereof | |
| CN209468487U (en) | High efficiency metallic Smelting magnesium device | |
| CN106587942A (en) | High temperature resistant material and preparation 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20130717 |