CN203304513U - Full-continuous smelting centrifugal casting device for hydrogen storage alloy - Google Patents
Full-continuous smelting centrifugal casting device for hydrogen storage alloy Download PDFInfo
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- CN203304513U CN203304513U CN2013202869084U CN201320286908U CN203304513U CN 203304513 U CN203304513 U CN 203304513U CN 2013202869084 U CN2013202869084 U CN 2013202869084U CN 201320286908 U CN201320286908 U CN 201320286908U CN 203304513 U CN203304513 U CN 203304513U
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Abstract
The utility model relates to a full-continuous smelting centrifugal casting device for hydrogen storage alloy. According to the technical scheme, the full-continuous smelting centrifugal casting device for the hydrogen storage alloy comprises a vacuum-pumping system and a vacuum smelting furnace, wherein a temperature measuring device is arranged at the upper end of the vacuum smelting furnace, a feeding chamber is installed at the upper end of the vacuum smelting furnace, a feeding barrel is arranged in the feeding chamber, an isolating valve and a balance valve are arranged between the feeding chamber and the vacuum smelting furnace, a turnover crucible and a holding furnace are arranged in the vacuum smelting furnace, a flow tube is connected with the lower end of the holding furnace, a centrifugal pan is arranged below the flow tube, a plurality of crystallization rolls are arranged at the periphery of the centrifugal pan, each crystallization roll is movably connected with a scraper, a motor I drives the centrifugal pan to rotate, each crystallization roll is driven by a motor II, a collector is arranged at the lower end of the interior of the vacuum smelting furnace, and the discharging end of the vacuum smelting furnace is connected with a material receiving barrel through a discharge valve. Hydrogen storage alloy powder prepared through the full-continuous smelting centrifugal casting device for the hydrogen storage alloy is low in oxygen content and even and fine in crystalline structure, the service life of the hydrogen storage alloy powder is prolonged, the power performance of the hydrogen storage alloy powder is improved, and continuous smelting casting of the hydrogen storage alloy is achieved.
Description
Technical field
The utility model relates generally to a kind of full continuous apparatus of realizing the hydrogen bearing alloy melting by centrifugal casting.
Background technology
Hydrogen bearing alloy is the environmental protection functional material, is characterized in having suction under certain condition, putting the hydrogen function, is mainly used in the secondary cell Ni-MH battery.The environment-friendly advantage of Ni-MH battery, make Ni-MH battery just progressively replace lead-acid accumulator and nickel-cadmium cell.Ni-MH battery starts commercialization in early 1990s, from initial mobile phone and PC, electronic toy, digital camera electric automobile and mobile power station by now.Due to Ni-MH battery to large capacity, high power future development, so Ni-MH battery will be widely used in electric tool, power station energy storage, hybrid electric vehicle and pure electric vehicle.
Hydrogen storage material, as the negative material of nickel-hydrogen secondary cell, plays decisive role to the Ni-MH battery performance.Affect the factor of its performance, except composition, also have crystalline structure and the component segregation of alloy.Crystalline structure and component segregation are determined by the alloy preparation method.The hydrogen bearing alloy production technology adopts vacuum melting at present, the casting of book end type water cooled mo(u)ld ingot casting, and alloy pig is through high-temperature heat treatment, and Mechanical Crushing powder process, sieve, packing.Because the melting ingot casting adopts the book end type cover half, cover half adopts steel material, ingot casting thickness 25-50mm, and the alloy cooling velocity is slow, causes the composition segregation, and crystalline structure is thick and inhomogeneous, in order to eliminate these defects, adopts the high temperature anneal.In mechanical pulverizing process, can produce oxidation, pollution, the even danger such as combustion explosion.Simultaneously, limit due to book clamp fixed mould structure and technique, can't realize serialization production.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of hydrogen bearing alloy full continuous smelting centrifugal casting equipment.
The technical solution adopted in the utility model is: the full continuous smelting centrifugal casting equipment of a kind of hydrogen bearing alloy, comprise pumped vacuum systems and vacuum melting furnace, the upper end of vacuum melting furnace is provided with temperature measuring equipment, feed compartment is arranged on the upper end of vacuum melting furnace, in feed compartment, be provided with charging bucket, between feed compartment and vacuum melting furnace, be provided with isolating valve and balanced valve; In vacuum melting furnace, be provided with turnover crucible and holding furnace, turnover crucible is placed in the lower end of feed compartment, holding furnace lower end connection traffic pipe, and flowtube has centrifugal pan, the centrifugal pan outer is provided with some crystallization rolls, each crystallization roll is flexibly connected a scraper, and the motor I drives centrifugal pan and rotates, and each crystallization roll is driven by a motor II, in vacuum melting furnace, lower end is provided with collector, and the discharge end of vacuum melting furnace is connected with the rewinding bucket by baiting valve.
The full continuous smelting centrifugal casting equipment of above-mentioned hydrogen bearing alloy, the diameter of described centrifugal pan is 80-200mm.
The full continuous smelting centrifugal casting equipment of above-mentioned hydrogen bearing alloy, the aperture of described flow control tube is 2-20mm.
The beneficial effects of the utility model are: 1. raw material is sent in crucible by the charging bucket in feed compartment, pressed the smelting technology fusing of material; 2. the molten steel melted is sent on the centrifugal pan of High Rotation Speed through holding furnace and flowtube, melt flies away from centrifugal pan and is attached on crystallization roll and forms crystalline wafer under centrifugal action, by scraper, crystalline wafer is scraped in collector, by baiting valve, enter the rewinding bucket, therefore can realize the production serialization, enhance productivity more than 2 times; 3. by centrifugal casting, the crystallization of refinement tissue, eliminate the alloying component segregation; 4. the process production that circulates under closed environment, do not have oxygen to enter, and reduces the alloyed powder surface oxidation; 5. by changing the centrifugal casting parameter, as centrifugal pan rotating speed, cast temperature, crystallization roll rotating speed, smelting furnace argon pressure, crystallization is controlled.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is A section enlarged drawing in Fig. 1.
Fig. 4 is the flowtube structural representation.
Fig. 5 is the centrifugal pan structural representation.
The specific embodiment
As Figure 1-Figure 5, the full continuous smelting centrifugal casting equipment of a kind of hydrogen bearing alloy, comprise pumped vacuum systems (1) and vacuum melting furnace (2), and the upper end of vacuum melting furnace (2) is provided with temperature measuring equipment (6).
Feed compartment (5) is arranged on the upper end of vacuum melting furnace (2), in feed compartment (5), is provided with charging bucket (18), between feed compartment (5) and vacuum melting furnace (2), is provided with isolating valve (3) and balanced valve (4), in vacuum melting furnace (2), be provided with turnover crucible (7) and holding furnace (8), turnover crucible (7) is placed in the lower end of feed compartment (5), holding furnace (8) lower end connection traffic pipe (9), flowtube (9) has centrifugal pan (10), centrifugal pan (10) outer is provided with some crystallization rolls (12), each crystallization roll (12) is flexibly connected a scraper (11), motor I (14) drives centrifugal pan (10) and rotates, each crystallization roll (12) is driven by a motor II (13), the interior lower end of vacuum melting furnace (2) is provided with collector (15), the discharge end of vacuum melting furnace (2) is connected with rewinding bucket (17) by baiting valve (16).
The diameter of described centrifugal pan (10) is 80-200mm.
The aperture of described flow control tube (9) is 2-20mm.
The course of work is: the alloy raw material that will the prepare charging bucket of packing into, close the feed compartment door, and to feed compartment, vacuumize and then be filled with argon gas, by balanced valve, make feed compartment and vacuum melting furnace pressure balance, open isolating valve, put down charging bucket, raw material is packed in crucible.Close isolating valve, vacuum melting furnace vacuumizes by pumped vacuum systems, and vacuum is extracted into 0.5Pa, heat de-airing; then to vacuum melting furnace, be filled with argon gas, gauge pressure indication-0.05MPa, power transmission fusing; melting under the argon shield condition, give the holding furnace preheating in fusion process, reach design temperature.Holding furnace is controlled temperature higher than alloy melting point 50-150 ℃.When alloy melting finishes, use the temperature measuring equipment thermometric, reach cast temperature and start casting.By the motor I, start centrifugal pan, by the motor II, start crystallization roll, open baiting valve, then pour liquation into holding furnace, liquation flows on centrifugal pan through flowtube, the centrifugal pan of High Rotation Speed produces centrifugal force, and liquation flies out and gets on crystallization roll coolingly to surrounding in the effect of centrifugal force, and crystalline solid is peeled off by scraper and crystallization roll, by collector and baiting valve, enter the rewinding bucket, casting finishes, and closes baiting valve, carries out next stove melting and casting.In the melting casting cycle, by next stove furnace charge charging bucket of packing into, realize serialization production, saved vacuumize, reinforced and cool time, production efficiency improves 2-3 doubly.
The centrifugal pan rotating speed is high, diameter is large, and centrifugal force is just larger, and the drop flown out from centrifugal pan is just little, just thin at the sheet of crystallization roll crystallization.Melt is higher over melting temperature, and melt viscosity is less, and the drop flown out from centrifugal pan equally is just little, just thin at the sheet of crystallization roll crystallization.The flowtube internal diameter is thinner, and flow velocity is less, and the drop flown out from centrifugal pan equally is just little, just thin at the sheet of crystallization roll crystallization.Crystallization roll is selected unlike material, can crystallization control speed, and as high as the thermal conductivity of copper, crystalline structure is tiny evenly.
Claims (3)
1. full continuous smelting centrifugal casting equipment of hydrogen bearing alloy, comprise pumped vacuum systems (1) and vacuum melting furnace (2), the upper end of vacuum melting furnace (2) is provided with temperature measuring equipment (6), it is characterized in that: feed compartment (5) is arranged on the upper end of vacuum melting furnace (2), in feed compartment (5), be provided with charging bucket (18), between feed compartment (5) and vacuum melting furnace (2), be provided with isolating valve (3) and balanced valve (4), in vacuum melting furnace (2), be provided with turnover crucible (7) and holding furnace (8), turnover crucible (7) is placed in the lower end of feed compartment (5), holding furnace (8) lower end connection traffic pipe (9), flowtube (9) has centrifugal pan (10), centrifugal pan (10) outer is provided with some crystallization rolls (12), each crystallization roll (12) is flexibly connected a scraper (11), motor I (14) drives centrifugal pan (10) and rotates, each crystallization roll (12) is driven by a motor II (13), the interior lower end of vacuum melting furnace (2) is provided with collector (15), the discharge end of vacuum melting furnace (2) is connected with rewinding bucket (17) by baiting valve (16).
2. the full continuous smelting centrifugal casting equipment of hydrogen bearing alloy as claimed in claim 1, it is characterized in that: the diameter of described centrifugal pan (10) is 80-200mm.
3. the full continuous smelting centrifugal casting equipment of hydrogen bearing alloy as claimed in claim 1 or 2, it is characterized in that: the aperture of described flow control tube (9) is 2-20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202869084U CN203304513U (en) | 2013-05-24 | 2013-05-24 | Full-continuous smelting centrifugal casting device for hydrogen storage alloy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202869084U CN203304513U (en) | 2013-05-24 | 2013-05-24 | Full-continuous smelting centrifugal casting device for hydrogen storage alloy |
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| CN203304513U true CN203304513U (en) | 2013-11-27 |
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| CN2013202869084U Expired - Fee Related CN203304513U (en) | 2013-05-24 | 2013-05-24 | Full-continuous smelting centrifugal casting device for hydrogen storage alloy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493124A (en) * | 2014-12-30 | 2015-04-08 | 河南宝天机电科技有限公司 | Automatic centrifugal casting system for motor rotors |
| CN104942256A (en) * | 2015-06-05 | 2015-09-30 | 上海蓝铸特种合金材料有限公司 | Vacuum centrifugal casting device |
| CN109848397A (en) * | 2019-04-18 | 2019-06-07 | 杭州圣檀服饰有限公司 | A kind of magnetic head manufacturing device |
| CN112974778A (en) * | 2019-12-12 | 2021-06-18 | 莱州润昇石油设备有限公司 | Secondary and repeated feeding device for vacuum hot shell casting device |
| CN115121780A (en) * | 2022-06-30 | 2022-09-30 | 河南科技大学 | Centrifugal jet forming device capable of adjusting radial size of annular blank |
-
2013
- 2013-05-24 CN CN2013202869084U patent/CN203304513U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493124A (en) * | 2014-12-30 | 2015-04-08 | 河南宝天机电科技有限公司 | Automatic centrifugal casting system for motor rotors |
| CN104942256A (en) * | 2015-06-05 | 2015-09-30 | 上海蓝铸特种合金材料有限公司 | Vacuum centrifugal casting device |
| CN109848397A (en) * | 2019-04-18 | 2019-06-07 | 杭州圣檀服饰有限公司 | A kind of magnetic head manufacturing device |
| CN112974778A (en) * | 2019-12-12 | 2021-06-18 | 莱州润昇石油设备有限公司 | Secondary and repeated feeding device for vacuum hot shell casting device |
| CN115121780A (en) * | 2022-06-30 | 2022-09-30 | 河南科技大学 | Centrifugal jet forming device capable of adjusting radial size of annular blank |
| CN115121780B (en) * | 2022-06-30 | 2023-07-14 | 河南科技大学 | Centrifugal injection forming device capable of adjusting radial dimension of annular blank |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20150524 |
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