CN202717810U - Vacuum rapid quenching device for producing neodymium iron boron (NdFeB) magnetic materials - Google Patents
Vacuum rapid quenching device for producing neodymium iron boron (NdFeB) magnetic materials Download PDFInfo
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- CN202717810U CN202717810U CN 201220371036 CN201220371036U CN202717810U CN 202717810 U CN202717810 U CN 202717810U CN 201220371036 CN201220371036 CN 201220371036 CN 201220371036 U CN201220371036 U CN 201220371036U CN 202717810 U CN202717810 U CN 202717810U
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Abstract
The utility model provides a vacuum rapid quenching device for producing neodymium iron boron (NdFeB) magnetic materials and relates to the technical field of vacuum rapid quenching equipment. The vacuum rapid quenching device for producing the NdFeB magnetic materials comprises a rapid quenching furnace body, a molybdenum wheel, an electric arc electric heating system, a crucible, a feed barrel, a discharge barrel and a vacuum-pumping system, wherein the molybdenum wheel, the electric arc electric heating system, the crucible, the feed barrel, the discharge barrel and the vacuum-pumping system are arranged in the rapid quenching furnace body, the feed barrel and the discharge barrel are respectively connected with the upper portion and the lower portion of the rapid quenching furnace body, and the vacuum-pumping system is connected with one side of the vacuum-pumping system; a water pump is arranged outside the rapid quenching furnace body, one end of the water pump is connected with a condensation water box through a water pipe, the other end of the water pump is connected with a molybdenum wheel inner cavity in the rapid quenching furnace body through a water pipe, the molybdenum wheel inner cavity in the rapid quenching furnace body is connected with the condensation water box through a backwater pipeline, and the condensation water box is connected with a refrigerating machine. The vacuum rapid quenching device for producing the NdFeB magnetic materials can achieve great improvement of magnetic performance of products and various indexes, and is quite high in cost performance.
Description
Technical field
The utility model relates to the vacuum quick quenching equipment technical field, is specifically related to a kind of vacuum quick quenching device of producing neodymium-iron-boron magnetic material.
Background technology
At present, its magnetic property of quenched powder that the universal or special vacuum quick quenching of domestic employing is produced all in 13MGO, is difficult to break through.And the dependence tip device that the U.S. MQ company of the world-leading level of tool produces, the product magnetic property reaches 16MGO, but the investment cost of this equipment is very large, and domestic enterprise is all less than dropping into.
Summary of the invention
The purpose of this utility model provides a kind of vacuum quick quenching device of producing neodymium-iron-boron magnetic material, and it can realize that product magnetic property and indices improve a lot, and cost performance is very high.
In order to solve the existing problem of background technology, the utility model is by the following technical solutions: a kind of vacuum quick quenching device of producing neodymium-iron-boron magnetic material, comprise the fast quenching body of heater, be positioned at the molybdenum wheel of fast quenching body of heater, the electric arc electric heating system, crucible, the feeding cylinder and the discharge barrel that are connected respectively with fast quenching body of heater upper and lower, and the pumped vacuum systems that is connected with fast quenching body of heater one side, the external water pump that is provided with of described quick quenching furnace, one end of described water pump connects condensation water tank by water pipe, the other end of described water pump is taken turns inner chamber by the molybdenum that water pipe connects in the fast quenching body of heater, molybdenum wheel inner chamber in the described fast quenching body of heater connects described condensation water tank by water return pipeline, and described condensation water tank connects refrigerator.
The utlity model has following beneficial effect: adopt refrigerator to change normal-temperature water into the water of condensation cooling, realized the good amorphous microstructure of material internal crystalline-granular texture, realized that neodymium iron boron quenched powder indices promotes 12.5%, reached 15.02MGO, reached advanced international level.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
With reference to Fig. 1, this embodiment is by the following technical solutions: a kind of vacuum quick quenching device of producing neodymium-iron-boron magnetic material, comprise fast quenching body of heater 1, be positioned at the molybdenum wheel 2 of fast quenching body of heater 1, electric arc electric heating system 3, crucible 4, the feeding cylinder 5 and the discharge barrel 6 that are connected respectively with fast quenching body of heater 1 upper and lower, and the pumped vacuum systems 7 that is connected with fast quenching body of heater 1 one sides, the described fast quenching body of heater 1 outer water pump 8 that is provided with, one end of described water pump 8 connects condensation water tank 9 by water pipe, the other end of described water pump 8 is taken turns 2 inner chambers by the molybdenum that water pipe connects in the fast quenching body of heater 1, molybdenum in the described fast quenching body of heater 1 is taken turns 2 inner chambers and is connected described condensation water tank 9 by water return pipeline, and described condensation water tank 9 connects refrigerator 10.
With reference to Fig. 1, the principle of work of this embodiment: generate xln according to the metal liquid cooling curing, the principle that the amorphous microstructure of the faster formation of speed of cooling is better, the needed fast quenching bar of neodymium-iron-boron magnetic material requires to have good non-crystalline state crystal can produce high performance quenched powder, and its concrete operation step is as follows:
At first, with external 5 cubic metres of water tank of a 5KW refrigerator, the built-in cooling cylinder of water tank, water filling adds deicing fluid, the outer water pump of water tank, pump working pressure must reach 3Kg/ more than every cubic centimetre, water pump one termination condensation water tank, another termination fast quenching molybdenum wheel water service pipe, molybdenum wheel return water pipe takes back road to condensation water tank and recycles.
Then, open refrigerator to water tank normal-temperature water refrigeration, vacuum quick quenching furnace is done produced front every preparation work simultaneously.
Start working at quick quenching furnace, condensate pump and other operational system bring into operation simultaneously, and temperature variation is controlled in 5 degree behind the condensate water circulatory, and is less to guarantee the molybdenum wheel work temperature difference.
At last, other procedure technology is constant after the vacuum quick quenching powder is come out of the stove, conventional sense indices behind the finished product.
This embodiment has realized the high-performance Agglutinate neodymium-iron-boron product obtained under the large working condition of mass-producing; stepped major step by medium-performance mark sense high performance index; shortened and world-class gap, had little, the characteristics such as cost performance is high, economic benefits of investment.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, other modifications that those of ordinary skills make the technical solution of the utility model or be equal to replacement, only otherwise break away from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (1)
1. vacuum quick quenching device of producing neodymium-iron-boron magnetic material, comprise fast quenching body of heater (1), be positioned at the molybdenum wheel (2) of described fast quenching body of heater (1), electric arc electric heating system (3), crucible (4), the feeding cylinder (5) and the discharge barrel (6) that are connected respectively with fast quenching body of heater (1) upper and lower, and the pumped vacuum systems (7) that is connected with fast quenching body of heater (1) one side, it is characterized in that, the outer water pump (8) that is provided with of described fast quenching body of heater (1), one end of described water pump (8) connects condensation water tank (9) by water pipe, the other end of described water pump (8) is taken turns (2) inner chamber by the molybdenum that water pipe connects in the fast quenching body of heater (1), molybdenum wheel (2) inner chamber in the described fast quenching body of heater (1) connects described condensation water tank (9) by water return pipeline, and described condensation water tank (9) connects refrigerator (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220371036 CN202717810U (en) | 2012-07-30 | 2012-07-30 | Vacuum rapid quenching device for producing neodymium iron boron (NdFeB) magnetic materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220371036 CN202717810U (en) | 2012-07-30 | 2012-07-30 | Vacuum rapid quenching device for producing neodymium iron boron (NdFeB) magnetic materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202717810U true CN202717810U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220371036 Expired - Fee Related CN202717810U (en) | 2012-07-30 | 2012-07-30 | Vacuum rapid quenching device for producing neodymium iron boron (NdFeB) magnetic materials |
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| CN (1) | CN202717810U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111624A (en) * | 2013-03-18 | 2013-05-22 | 江苏巨鑫磁业有限公司 | Preparation method of iron-based low-rare earth NdFeB rapid quenching permanent magnetic powder |
| CN103878380A (en) * | 2014-04-04 | 2014-06-25 | 江苏巨鑫磁业有限公司 | NdFeB magnetic material alloy rapid quenching furnace |
| CN108962541A (en) * | 2018-07-24 | 2018-12-07 | 江苏巨鑫磁业有限公司 | A kind of Nd Fe B alloys permanent magnetism powder vacuum aging demagnetizing method |
-
2012
- 2012-07-30 CN CN 201220371036 patent/CN202717810U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111624A (en) * | 2013-03-18 | 2013-05-22 | 江苏巨鑫磁业有限公司 | Preparation method of iron-based low-rare earth NdFeB rapid quenching permanent magnetic powder |
| CN103878380A (en) * | 2014-04-04 | 2014-06-25 | 江苏巨鑫磁业有限公司 | NdFeB magnetic material alloy rapid quenching furnace |
| CN108962541A (en) * | 2018-07-24 | 2018-12-07 | 江苏巨鑫磁业有限公司 | A kind of Nd Fe B alloys permanent magnetism powder vacuum aging demagnetizing method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20140730 |
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| EXPY | Termination of patent right or utility model |