CN201010682Y - Vacuum distilling and demagging device for macrotype rare earth magnesium intermediate alloy - Google Patents
Vacuum distilling and demagging device for macrotype rare earth magnesium intermediate alloy Download PDFInfo
- Publication number
- CN201010682Y CN201010682Y CNU2006201342401U CN200620134240U CN201010682Y CN 201010682 Y CN201010682 Y CN 201010682Y CN U2006201342401 U CNU2006201342401 U CN U2006201342401U CN 200620134240 U CN200620134240 U CN 200620134240U CN 201010682 Y CN201010682 Y CN 201010682Y
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- magnesium
- distillation
- vacuum
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- intermediate alloy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model relates to a large-scale vacuum distillation magnesium removal device for rare earth-magnesium middle alloy, which comprises a triplex pump vacuum system, a distillation tank, and a heating system. The vacuum system is composed of a diffusion pump, a Roots pump and a mechanical pump and used for assuring the high vacuum requirement during distillation. The distillation tank is composed of a heat poof stainless steel tank and a distillation inner barrel, connected with the vacuum system, and used as a container and a condenser during rare earth-magnesium middle alloy distillation process, wherein the distillation barrel is composed of a sleeve barrel, material trays, an upper baffle, a lower baffle, an upper connecting and sealing component, and a lower connecting and sealing component. The heating system is composed of a split type electric resistance furnace and a temperature control system, and used for providing the temperature required by vacuum distillation. The device can treat rare earth-magnesium middle alloy obtained by reduction or fusion electrolysis in large scale, removes magnesium in the alloy by vacuum distillation to obtain sponge-state rare earth metal, and then smelts into dense rare earth metal ingot. The device improves production efficiency, the energy consumption is 1/3 of 100 Kg metal, and the consumption of other materials is reduced by over 15%.
Description
Technical field
The utility model relates to a kind of large-scale (for example ton of industrially scalable/single furnace output) vacuum distillation plant, utilize this device that the rare earth metal in reduction or the rare-earth magnesium intermediate alloy that obtains of fused salt electrolysis is separated with magnesium, the preparation pure rare-earth metals belongs to the rare earth metallurgy field.
Background technology
The preparation method of rare earth metal mainly contains calciothermy and fused salt electrolysis process, and calciothermy is divided into direct-reduction process and intermediate alloy process.Wherein: direct-reduction process is difficult to equipment is enlarged because of reduction temperature is high, and intermediate alloy process makes itself and the rare earth metal that restores form low melting point alloy because of add MAGNESIUM METAL in reduction process, thereby can reduce at a lower temperature, and equipment is easy to enlarge; Utilize fused salt electrolysis process also can obtain rare-earth magnesium intermediate alloy.Utilize the high character of vapour pressure of magnesium, the rare-earth magnesium intermediate alloy that obtains is carried out vacuum distilling magnesium is removed, obtain sponge attitude rare earth metal, and then be smelted into closely knit pure rare-earth metals ingot.
By adopting intermediate alloy process and fused salt electrolysis process to prepare magnesium-rare earth, again through distilling the method for removing the magnesium in the alloy and then preparing rare earth metal, do not appear in the newspapers abroad and be applied to industrial production, domesticly then realized suitability for industrialized production in contriver unit, wherein vacuum distillation plant single stove amount before the present invention only reaches 100 kilograms, equipment scale is less, and various consumption are high, can not satisfy the demand of industrialized production.
Summary of the invention
The purpose of this utility model provides the vacuum distilling of a kind of large-scale rare-earth magnesium intermediate alloy and removes magnesium apparatus, and this device improves production efficiency of equipment, cuts down the consumption of energy and materials consumption.
For achieving the above object the utility model by the following technical solutions: the vacuum distilling of this large-scale rare-earth magnesium intermediate alloy removes magnesium apparatus and comprises: vacuum system, by in heat-resistance stainless steel jar and the distillation barrel of retort of forming, form heating system (2) by split type resistance furnace and temperature control power supply, retort links to each other with vacuum pump.
The beneficial effects of the utility model are: the alloy batch can reach 1000kg, and production efficiency improves; The energy consumption of every kilogram of metal only is 1/3 of hundred feather weight, and other materials consumption reduces more than 15%.
Description of drawings
Fig. 1 is a vacuum distillation plant synoptic diagram of the present utility model.
Fig. 2 is the sectional structure chart of A-A among Fig. 1.
Fig. 3 is a separate type resistance heading furnace synoptic diagram.
Embodiment
Among Fig. 1, Fig. 2, Fig. 3, vacuum system 9 comprises: diffusion pump 6, lobe pump 8 and mechanical pump 10 to guarantee that still-process carries out under high vacuum, prevent the material oxidation.Three operated pneumatic valve 7-1 are set in the vacuum system pipeline, 7-2,7-3, described lobe pump is positioned at the prime of diffusion pump, mechanical pump is positioned at the prime of lobe pump, in the outlet of retort 3 and connect two pipelines, article one, connect the diffusion pump inlet, serial connection valve 7-1 on another pipeline, the outlet of valve 7-1 also connects three pipelines, article one, connect the lobe pump import, article one, connect the diffusion pump outlet after meeting serial connection valve 7-2, be connected to the communicating pipe of lobe pump outlet and mechanical pump inlet pipe behind another serial connection valve 7-3, adopt above-mentioned connection after, can realize respectively that mechanical pump works independently, mechanical pump and lobe pump co-operation and triplex are worked simultaneously.
Sealing groove of tray edge design is filled out with oxide seal, prevents the magnesium vapor effusion, and charging tray is used for splendid attire rare-earth magnesium intermediate alloy for band centre hole disk, and dish is 30～100mm with coiling spacing, leaves the space between the charging tray 22, helps the evaporation of magnesium.Lower baffle plate 18 in the cover bucket 21 can prevent that thermal radiation from arriving condensing zone, and bootable magnesium vapor along the bucket wall upwards helps the timely condensation of magnesium vapor.
Furnace body overcoat is that general steel plate rolls and forms, and burner hearth is built by laying bricks or stones by heterotypic fire brick and formed, and the slit is by filled thermal insulation materials; Heating unit is a siderochrome aluminium solenoid shape, divides six groups evenly to be arranged in the burner hearth.
Embodiment
With yttrium-magnesium alloy distillation demagging is example, and concrete implementing process process is as follows:
The 1000kg yttrium-magnesium alloy is put into charging tray 22, connect bucket 5 each parts in the distillation, hang in the retort 3, behind the good seal, start vacuum system 9, after vacuum reached requirement, resistance furnace 20 energisings heated up, at 600～950 ℃ of step heat preservations.In the still-process, magnesium vapor is condensate on the cover bucket wall of overhead gage 15 bottoms, and distillation hangs out bucket 5 in the distillation after operation finishes, and takes off cover bucket 21, hangs down charging tray 22, takes out the sponge yttrium, and the magnesium of condensation and cover barrel are separated.
Claims (8)
1. large-scale rare-earth magnesium intermediate alloy vacuum distilling removes magnesium apparatus, it is characterized in that: this device comprises vacuum system (9), by the retort (3) formed of bucket (5) in heat-resistance stainless steel jar (19) and the distillation, form heating system (2) by split type resistance furnace (20) and temperature control power supply (1), retort links to each other with vacuum pump.
2. the vacuum distilling of large-scale according to claim 1 rare-earth magnesium intermediate alloy removes magnesium apparatus, it is characterized in that: described vacuum system (9) comprising: diffusion pump (6), lobe pump (8) and mechanical pump (10), three operated pneumatic valves (7-1) are set in the vacuum system pipeline, (7-2), (7-3), described lobe pump is positioned at the prime of diffusion pump, mechanical pump is positioned at the prime of lobe pump, in the outlet of retort 3 and connect two pipelines, article one, connect the diffusion pump inlet, be connected in series valve (7-1) on another pipeline, the outlet of valve (7-1) also connects three pipelines, article one, connect the lobe pump import, article one, connect the diffusion pump outlet after connecing serial connection valve (7-2), be connected to the communicating pipe of lobe pump outlet and mechanical pump inlet pipe behind another serial connection valve (7-3).
3. remove magnesium apparatus as large-scale rare-earth magnesium intermediate alloy vacuum distilling as described in claims 1 or 2, it is characterized in that: the top of the tank body of described retort (3) is provided with the water-cooled steel bushing.
4. remove magnesium apparatus as large-scale rare-earth magnesium intermediate alloy vacuum distilling as described in the claim 3, it is characterized in that: bucket (5) comprising in the described distillation: cover bucket (21), a charging tray (22), overhead gage (15), lower baffle (18) and be connected seal assembly.
5. remove magnesium apparatus as the vacuum distilling of the large-scale rare-earth magnesium intermediate alloy of claim 4, it is characterized in that: connect seal assembly and comprise central shaft (16), the upper flange that is connected with central shaft (14), bottom tray (23), tie-in module will overlap bucket (21), overhead gage (15), lower baffle plate (18), charging tray (22) fuses, flange top is provided with suspension ring, and bottom tray (23) is provided with sealing groove.
6. remove magnesium apparatus as the vacuum distilling of the large-scale rare-earth magnesium intermediate alloy of claim 5, it is characterized in that: described charging tray (22) is 30～100mm for band centre hole disk, dish with the dish spacing.
7. remove magnesium apparatus as the vacuum distilling of the large-scale rare-earth magnesium intermediate alloy of claim 1, it is characterized in that: described temperature control power supply (1) is temperature control element with the thermopair.
8. remove magnesium apparatus as the vacuum distilling of the large-scale rare-earth magnesium intermediate alloy of claim 7, it is characterized in that: described resistance furnace (20) is that two semicircle bodies of heater are formed, furnace body overcoat is that general steel plate rolls and forms, burner hearth is built by laying bricks or stones by heterotypic fire brick and is formed, the slit is by filled thermal insulation materials, and wherein rolling bearing (24) is equipped with in half body of heater bottom, and seat is on guide rail (25), heating unit is a siderochrome aluminium solenoid shape, divides six groups evenly to be arranged in the burner hearth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201342401U CN201010682Y (en) | 2006-11-01 | 2006-11-01 | Vacuum distilling and demagging device for macrotype rare earth magnesium intermediate alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201342401U CN201010682Y (en) | 2006-11-01 | 2006-11-01 | Vacuum distilling and demagging device for macrotype rare earth magnesium intermediate alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201010682Y true CN201010682Y (en) | 2008-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201342401U Expired - Lifetime CN201010682Y (en) | 2006-11-01 | 2006-11-01 | Vacuum distilling and demagging device for macrotype rare earth magnesium intermediate alloy |
Country Status (1)
| Country | Link |
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| CN (1) | CN201010682Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143184A (en) * | 2013-02-07 | 2013-06-12 | 中国科学院上海应用物理研究所 | Distillation apparatus |
| CN110538478A (en) * | 2018-10-29 | 2019-12-06 | 天津包钢稀土研究院有限责任公司 | High-quality anhydrous rare earth halide purification device |
| CN115852222A (en) * | 2022-11-24 | 2023-03-28 | 包头稀土研究院 | Method for processing rare earth magnesium alloy |
| CN115852163A (en) * | 2022-11-23 | 2023-03-28 | 包头稀土研究院 | Separation method of rare earth zinc alloy |
-
2006
- 2006-11-01 CN CNU2006201342401U patent/CN201010682Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143184A (en) * | 2013-02-07 | 2013-06-12 | 中国科学院上海应用物理研究所 | Distillation apparatus |
| CN103143184B (en) * | 2013-02-07 | 2014-12-24 | 中国科学院上海应用物理研究所 | Distillation apparatus |
| CN110538478A (en) * | 2018-10-29 | 2019-12-06 | 天津包钢稀土研究院有限责任公司 | High-quality anhydrous rare earth halide purification device |
| CN115852163A (en) * | 2022-11-23 | 2023-03-28 | 包头稀土研究院 | Separation method of rare earth zinc alloy |
| CN115852222A (en) * | 2022-11-24 | 2023-03-28 | 包头稀土研究院 | Method for processing rare earth magnesium alloy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: BE YAN RARE EARTH NEW MATERIAL CO., LTD. ¬ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Rare earth new material, Limited by Share Ltd, Number: 04 Page: The title page Volume: 24 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Rare earth new material, Limited by Share Ltd, Number: 04 Volume: 24 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ¬ TO: BE YAN RARE EARTH NEW MATERIAL CO., LTD. ¬ |
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| ASS | Succession or assignment of patent right |
Owner name: GRIREM ADVANCED MATERIALS CO., LTD. Free format text: FORMER OWNER: BEIJING CENTRAL INST.OF THE NONFERROUS METAL Effective date: 20130802 Free format text: FORMER OWNER: GRIREM ADVANCED MATERIALS CO., LTD. Effective date: 20130802 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130802 Address after: 100088, 2, Xinjie street, Beijing Patentee after: Grirem Advanced Materials Co., Ltd. Address before: 100088, 2, Xinjie street, Beijing Patentee before: General Research Institute for Nonferrous Metals Patentee before: Grirem Advanced Materials Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080123 |
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| EXPY | Termination of patent right or utility model |