CN1987319B - Method for preventing crucible from cracking in refining magnesium furnace - Google Patents
Method for preventing crucible from cracking in refining magnesium furnace Download PDFInfo
- Publication number
- CN1987319B CN1987319B CN2006102010319A CN200610201031A CN1987319B CN 1987319 B CN1987319 B CN 1987319B CN 2006102010319 A CN2006102010319 A CN 2006102010319A CN 200610201031 A CN200610201031 A CN 200610201031A CN 1987319 B CN1987319 B CN 1987319B
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- China
- Prior art keywords
- crucible
- carriage
- refining magnesium
- magnesium furnace
- magnesium
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Abstract
A tray is placed at bottom inside magnesium finery for accommodating crucible in advance. 3-30 mm gap kept between topside and bottom side of not heated crucible is as expansion space for crucible in heating procedure. When creep and elongation of magnesium crucible occurs caused by temperature and load, the tray under props crucible so as to reduce and restrict creep and elongation of magnesium crucible effectively, and further to prevent cracking magnesium crucible from happening. The invention also possesses advantages for prolonging service life of magnesium crucible.
Description
Technical field
The present invention relates to a kind of method that prevents that crucible breaks in the refining magnesium furnace, belong to the refining magnesium furnace technical field.
Background technology
The crucible refining magnesium furnace is an equipment commonly used in the magnesium refining process.Adopt the production process of existing crucible refining magnesium furnace refined magnesium to be: in crucible, to add solid-state or liquid metal magnesium, crucible is placed in the refining magnesium furnace, by the heating in the refining magnesium furnace indirect is carried out in the crucible outside, heat is passed to magnesium metal in the crucible by sidewall of crucible, so to the magnesium metal in the crucible heat, technological operation such as fusing, refining.Because crucible itself is formed by the steel welding.Under high temperature and bigger load, steel tensile strength reduces, and uses crucible under the effect of high temperature and gravity creep extension to take place for a long time, thereby the possibility of breaking is arranged, and then cause that molten magnesium liquid and flux outflow, and cause the damage of magnesium crucible refining furnace.So crucible refining magnesium furnace of the prior art in use, owing to there are the problems referred to above, its result of use still is not ideal enough.
Summary of the invention
The objective of the invention is: a kind of method that prevents that crucible breaks in the refining magnesium furnace is provided, thereby preventing that crucible from the situation that creep extension causes breaking taking place at high temperature with under bigger load take place, thereby overcome the deficiencies in the prior art.
The present invention is achieved in that its furnace bottom in the refining magnesium furnace 1 of laying crucible 2 places a carriage 3 in advance, and make the end face of carriage 3 and be placed in the refining magnesium furnace 1 and do not keep 3～30 mm clearance between the bottom surface of the crucible 2 of heating, so both can guarantee that crucible 2 had certain expansion space in heated process, can prevent again that crucible 2 from producing creep extension under the effect of high temperature and load and the situation of breaking takes place.
The material of carriage 3 is a heat resisting steel.
The material of carriage 3 is a refractory material.
The end face shape of carriage 3 is made into the shape that the bottom shape with crucible 2 matches, and when the end face of carriage 3 was contacted with the bottom surface of crucible 2, the bottom surface of the end face of carriage 3 and crucible 2 can fit together.
Liner has the heat-resistant light material in the gap between the bottom surface of carriage 3 and crucible 2.
Owing to adopted technique scheme, the present invention has installed a carriage 3 at the furnace bottom of refining magnesium furnace 1, when the magnesium crucible in the course of the work Yin Wendu and load influence and when creep, extensional take place, because carriage 3 is arranged to be held crucible in its bottom, thereby can reduce and limit magnesium the crucible influence of Yin Wendu and load and the creep extension that takes place in the course of the work effectively, and can prevent effectively that the situation of breaking that produces because of creep extension from occurring.Therefore, the present invention compared with prior art, thereby the present invention not only has and can prevent that crucible from the advantage that creep extension causes the situation of breaking to take place taking place at high temperature with under bigger load, but also has the advantage in the service life that can prolong the magnesium crucible.
Description of drawings
Accompanying drawing 1 is a principle schematic of the present invention;
Accompanying drawing 2 is the A-A cross-sectional schematic of accompanying drawing 1.
The specific embodiment
Embodiments of the invention: the furnace bottom in the existing refining magnesium furnace 1 that can lay crucible 2 is made a carriage 3, and makes the end face of carriage 3 and reserve 3～30 mm clearance h with being placed in the refining magnesium furnace 1 and between the bottom surface of the crucible 2 that does not heat; The end face shape of carriage 3 is made into the shape that the bottom shape with crucible 2 matches, when the end face of carriage 3 contacts with the bottom surface of crucible 2, the end face of carriage 3 and the bottom surface of crucible 2 can major part all be fit together, the heat-resistant light material that in the gap between the bottom surface of carriage 3 and crucible 2, to sell on liner one deck market can fit with the end face of carriage 3 better in order to make it after being heated at crucible 2; Carriage 3 can adopt refractory material to make, as adopt refractory brick material commonly used to build making by laying bricks or stones, but preferably adopt heat resisting steel to make carriage 3, heat resisting steel can be selected the oxidation resistant steel of selling on the market for use, refractory steel, steel such as air valve steel, when adopting heat-resisting steels to make carriage 3, can be with carriage 3 by strengthening filler ring 4, the filler ring bottom connects ring flat-plate 5 and 3～20 blocks of supporting plates 6 are formed, the bottom of supporting plate 6 is fixed on the filler ring bottom connection ring flat-plate 5, the middle and upper part that filler ring 4 is fixed on supporting plate 6 will be strengthened, and the curved surface 7 on the end face of supporting plate 6, making and match with the bottom curve form of crucible 2, and make curved surface 7 surfaces to also not the gap h between the bottom surface of the bottom curve form of the crucible 2 of heating keep 3～30 millimeters.
Claims (5)
1. method that prevents that crucible breaks in the refining magnesium furnace, it is characterized in that: its furnace bottom in the refining magnesium furnace of laying crucible (2) (1) is placed a carriage (3) in advance, and make the end face of carriage (3) and be placed in the refining magnesium furnace (1) and do not keep 3～30 mm clearance between the bottom surface of the crucible (2) of heating, when crucible (2) in the course of the work Yin Wendu and load influence and creep takes place, during extensional, carriage (3) is held crucible (2) in its bottom, so both can guarantee that crucible (2) had certain expansion space in heated process, can prevent again that crucible (2) from producing creep extension under the effect of high temperature and load and the situation of breaking takes place.
2. according to the method that crucible breaks in the refining magnesium furnace that prevents of claim 1, it is characterized in that: the material of carriage (3) is a heat resisting steel.
3. according to the method that crucible breaks in the refining magnesium furnace that prevents of claim 1, it is characterized in that: the material of carriage (3) is a refractory material.
4. according to the method that crucible breaks in the refining magnesium furnace that prevents of claim 1, it is characterized in that: the end face shape of carriage (3) is made into the shape that the bottom shape with crucible (2) matches, when the end face of carriage (3) was contacted with the bottom surface of crucible (2), the bottom surface of the end face of carriage (3) and crucible (2) can fit together.
5. according to the method that crucible breaks in the refining magnesium furnace that prevents of claim 1, it is characterized in that: liner has the heat-resistant light material in the gap between the bottom surface of carriage (3) and crucible (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102010319A CN1987319B (en) | 2006-10-26 | 2006-10-26 | Method for preventing crucible from cracking in refining magnesium furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102010319A CN1987319B (en) | 2006-10-26 | 2006-10-26 | Method for preventing crucible from cracking in refining magnesium furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1987319A CN1987319A (en) | 2007-06-27 |
| CN1987319B true CN1987319B (en) | 2010-08-18 |
Family
ID=38184205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006102010319A Expired - Fee Related CN1987319B (en) | 2006-10-26 | 2006-10-26 | Method for preventing crucible from cracking in refining magnesium furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1987319B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0894771A2 (en) * | 1997-07-29 | 1999-02-03 | CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A. | Improvements to induction furnaces for the synthesis of glasses |
| CN1222669A (en) * | 1998-01-07 | 1999-07-14 | 苏逸隆 | Manufacture of molten metal holding furnace and its hearth |
| CN2470771Y (en) * | 2001-01-08 | 2002-01-09 | 冶金工业部长春黄金研究院 | Gold smelting furnace |
| CN2674380Y (en) * | 2003-12-17 | 2005-01-26 | 中国铝业股份有限公司 | High-temp. ceramic crucible |
-
2006
- 2006-10-26 CN CN2006102010319A patent/CN1987319B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0894771A2 (en) * | 1997-07-29 | 1999-02-03 | CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A. | Improvements to induction furnaces for the synthesis of glasses |
| CN1222669A (en) * | 1998-01-07 | 1999-07-14 | 苏逸隆 | Manufacture of molten metal holding furnace and its hearth |
| CN2470771Y (en) * | 2001-01-08 | 2002-01-09 | 冶金工业部长春黄金研究院 | Gold smelting furnace |
| CN2674380Y (en) * | 2003-12-17 | 2005-01-26 | 中国铝业股份有限公司 | High-temp. ceramic crucible |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1987319A (en) | 2007-06-27 |
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| C14 | Grant of patent or utility model | ||
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Owner name: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INSTITUTE C Free format text: FORMER OWNER: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INST. Effective date: 20110524 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 550004 NO. 208, BEIJING ROAD, GUIYANG CITY, GUIZHOU PROVINCE TO: 550081 NO. 2, JINZHU ROAD, JINYANG NEW DISTRICT, GUIYANG CITY, GUIZHOU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20110524 Address after: 550081 Guiyang Province, Jinyang New District, Zhu Zhu Road, No. 2 Patentee after: Guiyang Aluminum & Magnesium Design Institute Co., Ltd. Address before: 550004 No. 208, Beijing Road, Guiyang, Guizhou Patentee before: Guiyang Aluminium and Magnesium Design Inst. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20151026 |
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| EXPY | Termination of patent right or utility model |