CN2501611Y - Horizontal DC electromagnetic suspension continuous casting permanent-magnet pole device - Google Patents
Horizontal DC electromagnetic suspension continuous casting permanent-magnet pole device Download PDFInfo
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- CN2501611Y CN2501611Y CN 01251034 CN01251034U CN2501611Y CN 2501611 Y CN2501611 Y CN 2501611Y CN 01251034 CN01251034 CN 01251034 CN 01251034 U CN01251034 U CN 01251034U CN 2501611 Y CN2501611 Y CN 2501611Y
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- pole plate
- continuous casting
- utility
- direct current
- model
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Abstract
The utility model discloses a horizontal direct current magnetic levitation continuous casting permanent magnetic pole device which changes a coil of the existing technology for a permanent magnetic pole to solve the problems of the coil with big size, and adding the direct current source and cooling equipment. The equipments which are provided by the utility model comprise two magnetizing high strength magnetic materials rectangular plates one of which is an N pole plate and the other of which is an S pole plate and all of which are vertical, two supporters on which the N pole plate and the S pole plate are installed, a moving guide which is in sliding connection with the supporters. Compared with the existing electromagnetic coil, the utility model has the advantages that: the permanent magnetic pole with small size is convenient to be stalled at the outlet of liquid metal; the utility model is convenient to adjust the distance between the two magnet poles; a direct current is not needed; and the problems of self heating of the magnetic coil, etc. are not exist. Therefore, the utility model can be used widely in the horizontal direct current magnetic levitation continuous casting device.
Description
Technical field: the invention belongs to a kind of set of poles in a kind of device, especially the continuous casting electromagnetic equipment of metal material continuous casting.
Background technology: existing metal material continuous casting production technology mainly is to adopt but crystallizer of Forced water cooling, with the liquid metal transmission of heat by contact, with the liquid metal solidification moulding, adopt vertical AC electromagnetic suspension continuous casting for non-ferrous metals such as aluminium, copper, coil is fed high-frequency alternating current, around coil, produce AC magnetic field, this magnetic field produces alternating current in liquid metal, this alternating current acts on again in the AC magnetic field, therefore produces electromagnetic force, and its direction is pointed to hub of a spool.By the size and the frequency of control high-frequency alternating current, make on liquid metal, to produce electromagnetic force payment liquid metal static pressure, keep the liquid metal shape, carry out the cooled and solidified casting.With Forced water cooling but the crystallizer continuous casting process compare, strand is not owing to contact with crystallizer, surface quality is good.Also have, Japan has carried out horizontal direct current electromagnetic suspension cc test in the laboratory to aluminium, in the liquid metal exit solenoid is set, feed DC current, produce D.C. magnetic field, feed DC current in liquid metal outlet and the intermetallic liquid metal of throwing, produce electromagnetic force with this regional D.C. magnetic field effect.Control feeds the size and Orientation of the DC current of coil and liquid metal, makes the electromagnetic force direction that produces in liquid metal opposite with gravity direction, and the size of electromagnetic force can be offseted gravity, liquid metal is suspended in carries out the cooled and solidified casting in the air.Compare with vertical AC electromagnetic suspension continuous casting process, because direct-current magnetic force can act on liquid metal inside, and alternating current magnetic force only acts on the liquid metal surface effectively, and the equipment needed thereby load is big, is difficult to be applied to the big metal casting of severe.Therefore horizontal direct current electromagnetic suspension continuous casting will be developing direction from now on.But the solenoid volume that adopts in the horizontal direct current electromagnetic suspension continuous casting is bigger, can not be placed in the liquid metal exit, but also need cooling device and dc source, has limited range of application.
Summary of the invention: the utility model has improved in the horizontal direct current electromagnetic suspension continuous casting installation for casting device that produces magnetic field, and coil is changed into permanent magnet poles, solve winding volume big, increase problems such as dc source and cooling device.
The device that the utility model provides comprises: two blocks of high-strength magnetic material rectangular plates that magnetize, one be N pole plate, one for S pole plate, two boards all in vertical state, two supports, the moving guide rail of N pole plate and S pole plate is installed, support and guide rail are slidingly connected.Support produces permanent-magnetic field moving the separation that can adjust between two plates on the guide rail between two plates, by changing the distance between two plates, can adjust the size of permanent-magnetic field.This device is placed on the liquid metal exit, produces horizontal electromagnetic field in the liquid metal exit.Liquid metal and drawing device are fed DC current.Size and Orientation by current density between the liquid metal of adjusting magnetic field size and Orientation and liquid metal exit between two plates, make and produce the electromagnetic force opposite in the liquid metal in liquid metal exit with gravity direction, its size can be offseted gravity is suspended in the air liquid metal, can force cooling or air cooling, adjust casting speed according to casting blank cross-section size and intensity of cooling, make the moulding of liquid metal cooled and solidified.
The utility model is compared with existing solenoid, and the permanent magnet poles volume is little, is convenient to be installed in the liquid metal exit; Be easy to adjust two distance between two poles from; Do not need dc source; There are not problems such as solenoid self-heating.
Description of drawings: Fig. 1 is horizontal direct current electromagnetic suspension continuous casting permanent magnet poles device schematic diagram.
The specific embodiment: as shown in Figure 1, this device comprises: two blocks of high-strength magnetic material rectangular plates that magnetize, one is that 1, one on N pole plate is a S pole plate 2, and two boards all in vertical state, be installed in respectively on two supports 3, support is slidingly connected on the moving guide rail 4, and support produces permanent-magnetic field moving the separation that can adjust between two plates on the guide rail between two plates, by changing the distance between two plates, can adjust the size of permanent-magnetic field.Be example with laboratory cast aluminium circle base below, specify this device.100 kilograms of electrical heating melting furnaces of employing capacity melt aluminium, this device is placed on the liquid aluminium exit, adjusting permanent magnet field intensity is 0.01～0.2T, adopt No. 4 dc sources, current strength 1～15A, casting speed 1～5m/min through cooling device, dish round belting, cutter sweep, pulls out the good aluminium circle base of Φ 1～20mm surface quality.
Claims (1)
1. horizontal direct current electromagnetic suspension continuous casting permanent magnet poles device, it is characterized in that this device comprises: two blocks of high-strength magnetic material rectangular plates that magnetize, one be N pole plate (1), one for S pole plate (2), two boards all in vertical state, two supports (3), the moving guide rail (4) of N pole plate and S pole plate are installed, and support and guide rail are slidingly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01251034 CN2501611Y (en) | 2001-10-17 | 2001-10-17 | Horizontal DC electromagnetic suspension continuous casting permanent-magnet pole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01251034 CN2501611Y (en) | 2001-10-17 | 2001-10-17 | Horizontal DC electromagnetic suspension continuous casting permanent-magnet pole device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2501611Y true CN2501611Y (en) | 2002-07-24 |
Family
ID=33661069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01251034 Expired - Fee Related CN2501611Y (en) | 2001-10-17 | 2001-10-17 | Horizontal DC electromagnetic suspension continuous casting permanent-magnet pole device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2501611Y (en) |
-
2001
- 2001-10-17 CN CN 01251034 patent/CN2501611Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |