CN110470137A - A kind of novel evacuated induction melting furnace - Google Patents
A kind of novel evacuated induction melting furnace Download PDFInfo
- Publication number
- CN110470137A CN110470137A CN201910704792.3A CN201910704792A CN110470137A CN 110470137 A CN110470137 A CN 110470137A CN 201910704792 A CN201910704792 A CN 201910704792A CN 110470137 A CN110470137 A CN 110470137A
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- Prior art keywords
- vacuum
- furnace
- frequency induction
- temperature
- intake valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
- F27B14/061—Induction furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/20—Arrangement of controlling, monitoring, alarm or like devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/02—Observation or illuminating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
- F27B2014/045—Vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0825—Crucible or pot support
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0837—Cooling arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Furnace Details (AREA)
Abstract
The present invention provides a kind of novel evacuated induction melting furnace, including cooling system, high-frequency induction machine, insulating barrier, high-frequency induction heating coil, temperature sounder, crucible, temperature display, intake valve, vacuum meter, intake valve, vacuum furnace, observation window, vacuum pump and vacuum corrugated pipe, the cooling system are connected by cooling water pipe with high-frequency induction machine；The insulating barrier is mounted on the side of vacuum furnace；The high-frequency induction heating coil passes through insulating barrier and enters in vacuum furnace；The temperature sounder is arranged in vacuum furnace.High-frequency induction heating coil of the present invention, the setting of temperature sounder and cooling system, structure setting are reasonable; specific energy consumption is low, effectively increases the heating efficiency of neodymium iron boron magnet raw material, convenient for control heating temperature; effective protection heating equipment is convenient for marketing and application.
Description
Technical field
The invention belongs to neodymium iron boron magnetic body production technical field more particularly to a kind of novel evacuated induction melting furnaces.
Background technique
Neodymium iron boron magnetic body production at present is mainly carried out by way of electromagnetic induction heating, and electromagnetic induction heating is according to electricity
Law of magnetic induction heats workpiece using the fuel factor of electric current.By induction heating power by the industrial-frequency alternating current of 50Hz
It is converted into required high-frequency alternating current.Raw material needed for neodymium iron boron magnetic body production is placed in induction coil, high-frequency current
Alternating magnetic field is generated around workpiece, raw metal surface can generate induced electromotive force at this time, and then generate induced current.It is this
When constantly changing by the magnetic flux in closed circuit, induced current is generated due to electromagnetic induction inside metallic conductor
The phenomenon that referred to as eddy current effect.The vortex of conductor can generate heat, and the resistivity of conductor is smaller, and the vortex of generation is got over
By force, the heat of generation is also bigger.Metal is heated using vacuum induction technology, thus the method for obtaining material requested,
It is used widely in modern industrial production.
China Patent Publication No. be 203432312 U of CN, the entitled high frequency noble metal metallurgy furnace of innovation and creation, including
Furnace body, burner hearth and electric heating induction coil, furnace body top set out material mouth, and burner hearth inner side is inclined-plane, are with vertical direction angle α
4 ° 30 '~6 ° 30 ', burner hearth inner side and bottom surface angle use arc transition, and arc radius R is 4~8mm, discharge port
Discharging end is smooth arc shape, and it is straight for solving two angles of existing noble metal high-frequency melting furnace furnace interior bottom surface and inclined-plane
Above angle and furnace body there are many defects to be cone-shaped in the discharging end of discharge port.But existing neodymium iron boron magnetic body
For vacuum high-frequency induction melting furnace used in production there is unit energy consumption height, complicated integral structure, device heating time is long, adds
The problem of thermal efficiency is relatively low, load coil unreasonable structural design, equipment cannot work long hours.
Therefore, a kind of novel evacuated induction melting furnace is invented to be very necessary.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of novel evacuated induction melting furnace, existing neodymium iron boron magnetic bodies
For vacuum high-frequency induction melting furnace used in production there is unit energy consumption height, complicated integral structure, device heating time is long, adds
The problem of thermal efficiency is relatively low, load coil unreasonable structural design, equipment cannot work long hours.A kind of novel evacuated sense
Answer smelting furnace, including cooling system, high-frequency induction machine, insulating barrier, high-frequency induction heating coil, temperature sounder, crucible, temperature
Spend display screen, intake valve, vacuum meter, intake valve, vacuum furnace, observation window, vacuum pump and vacuum corrugated pipe, the cooling
System is connected by cooling water pipe with high-frequency induction machine；The insulating barrier is mounted on the side of vacuum furnace；Described
High-frequency induction heating coil passes through insulating barrier and enters in vacuum furnace；The temperature sounder is arranged in vacuum furnace
It is interior；The crucible is placed in high-frequency induction heating coil；Temperature display is arranged in the vacuum furnace side；
The intake valve is mounted on the top of vacuum furnace；The vacuum meter is mounted on the side of intake valve；Institute
The top of vacuum furnace is arranged in the intake valve stated；Observation window is arranged in the vacuum furnace side；The vacuum pump
It is connected by vacuum corrugated pipe with vacuum furnace；
The high-frequency induction heating coil includes inner coil pipe, outer coil pipe and magnetizer；Setting on the outside of the inner coil pipe
Outer coil pipe；The magnetizer is arranged on the outside of outer coil pipe.
The cooling system includes cooling water tank and circulating pump；The cooling system passes through pipeline and tank phase
Even, be conducive to implement high-frequency induction machine effectively cooling, maintain the temperature of system, prevent equipment damage, prolong the service life.
The temperature sounder is connected by transmission cable with temperature display；The temperature sounder adds with vacuum
Seal washer is installed in hot stove connection, is conducive to effective monitoring smelting temperature, obtains better metal molten quality, keep setting
Standby air tightness is stablized.
The outer coil pipe cross section is rectangle；Magnetizer is inlayed on the outside of the outer coil pipe；The outer coil pipe with it is interior
Coil pipe junction uses welding structure, is advantageously implemented the quick induction heating to metal material, improves the reaction speed of equipment,
Equipment energy consumption is reduced, use cost is reduced.
The end of the observation window is installed by quartz glass；Sealing ring is set between the observation window and quartz glass,
Fusion process is facilitated look at, melting progress is effectively grasped, guarantees the air-tightness of device, improves Smelting Effect.
The vacuum pump is pumped using Luo Erci；The vacuum pump is mounted on Shockproof base；The vacuum pump with
Flange is set between vacuum corrugated pipe；It is attached between the vacuum pump and vacuum corrugated pipe by bolt, is conducive to have
The vacuum degree of holding system is imitated, damage of the vibration to equipment is reduced, improves operating condition, reduce the influence to operator.
Compared with prior art, the invention has the following beneficial effects:
1. the setting of high-frequency induction heating coil of the present invention, is beneficial to realize to the quick of neodymium iron boron magnet raw material
Induction heating improves the reaction speed of equipment, reduces equipment energy consumption, reduces use cost, effectively meets needs of production.
2. the setting of temperature sounder of the invention is conducive to effective monitoring smelting temperature, to control heating speed, mention
High heating efficiency obtains better metal molten quality.
3. the setting of cooling system of the invention is conducive to implement high-frequency induction machine effectively cooling, maintains the temperature of system
Degree, prevents equipment damage, prolongs the service life.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is vacuum furnace schematic diagram of internal structure of the invention.
Fig. 3 is high-frequency induction heating loop construction schematic diagram of the invention.
In figure:
1- cooling system, 2- high-frequency induction machine, 3- insulating barrier, 4- high-frequency induction heating coil, 5- temperature sounder, 6-
Crucible, 61- inner coil pipe, the outer coil pipe of 62-, 63- magnetizer, 7- temperature display, 8- intake valve, 9- vacuum meter, 10- intake valve,
11- vacuum furnace, 12- observation window, 13- vacuum pump, 14- vacuum corrugated pipe.
Specific embodiment
The present invention is described further below in conjunction with attached drawing:
Embodiment:
As shown in attached drawing 1 to attached drawing 3
The present invention provides a kind of novel evacuated induction melting furnace, including cooling system 1, high-frequency induction machine 2, insulating barrier 3,
High-frequency induction heating coil 4, temperature sounder 5, crucible 6, temperature display 7, intake valve 8, vacuum meter 9, intake valve 10, vacuum
Heating furnace 11, observation window 12, vacuum pump 13 and vacuum corrugated pipe 14, the cooling system 1 pass through cooling water pipe and high frequency sense
Machine 2 is answered to be connected；The insulating barrier 3 is mounted on the side of vacuum furnace 11；The high-frequency induction heating coil 4 passes through
Insulating barrier 3 enters in vacuum furnace 11；The temperature sounder 5 is arranged in vacuum furnace 11；The crucible 6
It is placed in high-frequency induction heating coil 4；Temperature display 7 is arranged in 11 side of vacuum furnace；
The intake valve 8 is mounted on the top of vacuum furnace 11；The vacuum meter 9 is mounted on the side of intake valve 8
Portion；The top of vacuum furnace 11 is arranged in the intake valve 10；Observation window 12 is arranged in 11 side of vacuum furnace；
The vacuum pump 13 is connected by vacuum corrugated pipe 14 with vacuum furnace 11；
The high-frequency induction heating coil 4 includes inner coil pipe 61, outer coil pipe 62 and magnetizer 63；The inner coil pipe 61
Outer coil pipe 62 is arranged in outside；The setting of magnetizer 63 is in outer 62 outside of coil pipe.
The cooling system 1 includes cooling water tank and circulating pump；The cooling system 1 passes through pipeline and tank phase
Even, be conducive to implement effective cooling to high-frequency induction machine 2, maintain the temperature of system, prevent equipment damage, prolong the service life.
The temperature sounder 5 is connected by transmission cable with temperature display 7；The temperature sounder 5 and true
Seal washer is installed in empty 11 connection of heating furnace, is conducive to effective monitoring smelting temperature, obtains better metal molten quality,
Equipment air tightness is kept to stablize.
62 cross section of outer coil pipe is rectangle；Magnetizer 63 is inlayed on the outside of the outer coil pipe 62；The external disk
Pipe 62 and 61 junction of inner coil pipe use welding structure, are advantageously implemented the quick induction heating to metal material, improve equipment
Reaction speed, reduce equipment energy consumption, reduce use cost.
The end of the observation window 12 is installed by quartz glass；Sealing is set between the observation window 12 and quartz glass
Circle, facilitates look at fusion process, effectively grasps melting progress, guarantees the air-tightness of device, improves Smelting Effect.
The vacuum pump 13 is pumped using Luo Erci；The vacuum pump 13 is mounted on Shockproof base；The vacuum
Flange is set between pump 13 and vacuum corrugated pipe 14；Connected between the vacuum pump 13 and vacuum corrugated pipe 14 by bolt
It connects, is conducive to the vacuum degree for effectively keeping system, reduces damage of the vibration to equipment, improve operating condition, reduce to operator's
It influences.
Working principle
In the present invention, need to neodymium iron boron magnet raw material to be heated be put into crucible 6, close vacuum furnace 11, open
The air in the extraction vacuum furnace 11 of vacuum pump 13 is opened, by 9 observing system vacuum degree of vacuum meter, in the vacuum for reaching needs
Cooling system 1 is opened after degree, recirculated water is entered in high-frequency induction machine 2 and cooled down, and opens high-frequency induction machine 2, high-frequency induction
Heating coil 4 heats the material in crucible 6, temperature sounder 5 by the temperature detected be transmitted to temperature display 7 into
Row display, observer can observe the heating state of raw material by observation window 12 at this time.
Using technical solutions according to the invention or those skilled in the art under the inspiration of technical solution of the present invention,
Similar technical solution is designed, and reaches above-mentioned technical effect, is to fall into protection scope of the present invention.
Claims (6)
1. a kind of novel evacuated induction melting furnace, it is characterised in that: including cooling system (1), high-frequency induction machine (2), insulation every
Plate (3), high-frequency induction heating coil (4), temperature sounder (5), crucible (6), temperature display (7), intake valve (8), vacuum
Table (9), intake valve (10), vacuum furnace (11), observation window (12), vacuum pump (13) and vacuum corrugated pipe (14), it is described
Cooling system (1) is connected by cooling water pipe with high-frequency induction machine (2)；The insulating barrier (3) is mounted on vacuum furnace
(11) side；The high-frequency induction heating coil (4) passes through insulating barrier (3) and enters in vacuum furnace (11)；It is described
Temperature sounder (5) setting in the vacuum furnace (11)；The crucible (6) is placed on high-frequency induction heating coil (4)
It is interior；Temperature display (7) are arranged in vacuum furnace (11) side；
The intake valve (8) is mounted on the top of vacuum furnace (11)；The vacuum meter (9) is mounted on intake valve (8)
Side；Top of intake valve (10) setting in vacuum furnace (11)；Described vacuum furnace (11) side is set
Set observation window (12)；The vacuum pump (13) is connected by vacuum corrugated pipe (14) with vacuum furnace (11)；
The high-frequency induction heating coil (4) includes inner coil pipe (61), outer coil pipe (62) and magnetizer (63)；The inner disc
It manages and outer coil pipe (62) is set on the outside of (61)；The magnetizer (63) is embedded on the outside of outer coil pipe (62).
2. novel evacuated induction melting furnace as described in claim 1, it is characterised in that: the cooling system (1) includes cold
But water tank and circulating pump；The cooling system (1) is connected by pipeline with tank.
3. novel evacuated induction melting furnace as described in claim 1, it is characterised in that: the temperature sounder (5) is logical
Transmission cable is crossed to be connected with temperature display (7)；The temperature sounder (5) and vacuum furnace (11) connection is installed
Seal washer.
4. novel evacuated induction melting furnace as described in claim 1, it is characterised in that: described outer coil pipe (62) cross section is
Rectangle；Magnetizer (63) are inlayed on the outside of the outer coil pipe (62)；The outer coil pipe (62) is adopted with inner coil pipe (61) junction
Use welding structure.
5. novel evacuated induction melting furnace as described in claim 1, it is characterised in that: pacify the end of the observation window (12)
Fill quartz glass；Sealing ring is set between the observation window (12) and quartz glass.
6. novel evacuated induction melting furnace as described in claim 1, it is characterised in that: the vacuum pump (13) uses Luo Er
Thatch pump；The vacuum pump (13) is mounted on Shockproof base；It is set between the vacuum pump (13) and vacuum corrugated pipe (14)
Set flange；It is attached between the vacuum pump (13) and vacuum corrugated pipe (14) by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910704792.3A CN110470137A (en) | 2019-08-01 | 2019-08-01 | A kind of novel evacuated induction melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910704792.3A CN110470137A (en) | 2019-08-01 | 2019-08-01 | A kind of novel evacuated induction melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110470137A true CN110470137A (en) | 2019-11-19 |
Family
ID=68509228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910704792.3A Withdrawn CN110470137A (en) | 2019-08-01 | 2019-08-01 | A kind of novel evacuated induction melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110470137A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114551082A (en) * | 2022-03-09 | 2022-05-27 | 江西荧光磁业有限公司 | Cold treatment device for neodymium-iron-boron magnet and processing method thereof |
-
2019
- 2019-08-01 CN CN201910704792.3A patent/CN110470137A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114551082A (en) * | 2022-03-09 | 2022-05-27 | 江西荧光磁业有限公司 | Cold treatment device for neodymium-iron-boron magnet and processing method thereof |
| CN114551082B (en) * | 2022-03-09 | 2023-04-25 | 江西荧光磁业有限公司 | Cold treatment device for neodymium-iron-boron magnet and processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191119 |
|
| WW01 | Invention patent application withdrawn after publication |