CN2161624Y - Vacuum continuous crystal furnace - Google Patents
Vacuum continuous crystal furnace Download PDFInfo
- Publication number
- CN2161624Y CN2161624Y CN 93218911 CN93218911U CN2161624Y CN 2161624 Y CN2161624 Y CN 2161624Y CN 93218911 CN93218911 CN 93218911 CN 93218911 U CN93218911 U CN 93218911U CN 2161624 Y CN2161624 Y CN 2161624Y
- Authority
- CN
- China
- Prior art keywords
- heater
- vacuum
- furnace
- travelling belt
- cooled plate
- 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.)
- Expired - Lifetime
Links
Landscapes
- Tunnel Furnaces (AREA)
- Furnace Details (AREA)
Abstract
The utility model discloses a vacuum continuous crystalized furnace, which is used for quick quenched neodymium-iron-boron magnetic powder at the crystalized process, comprising a furnace body, a vacuum machine group connected with the furnace body and a water cooler connected with the vacuum machine group. An upper and a lower sides at both ends of the furnace body are respectively provided with a feeding hopper and a storage barrel and the furnace body is provided with a shielded inner heating furnace and an output device with an endless conveying belt. The magnetic powder is conveyed into the heating furnace for crystallization by the conveying belt and is quickly cooled to room temperature to output after pre-cooling two times and a microcomputer controls the furnace temperature, the vacuum degree and the speed of the conveying belt. The utility model has the advantages of continuous production, low energy consumption, simple and compact structure, and convenient operation and maintenance.
Description
The utility model relates to a kind of horizontal chamber oven of handling furnace charge in a vacuum that is applicable to, is the vacuum continuous crystallization stove that a kind of crystallization is in a vacuum handled magneticsubstance-NdFeB magnetic powder specifically.
Can carry out the equipment that crystallization handles to magneticsubstance in the prior art outer hot pipe type vacuum process furnace is arranged, the vacuum screw pushing type heating furnace, vacuum pushes away boat circular heating furnace etc., as Chinese patent application number is 89210197 to disclose a kind of " continous vacuum sintering oven automatically ", it is the continous vacuum sintering system that is connected and composed by three sintering ovens, be equipped with the magnetic force pusher in each sintering oven, charging box, vacuum push-pull valve and cooling tank, its main drawback is to adopt the push boat type charging, working order is a semi continuous, and production efficiency is low; Use pipe connection between each sintering oven, heating-surface area is big, the energy consumption height; Each sintering oven is all joined the magnetic force pusher, vacuum unit and cooling tank etc., complex structure, operating maintenance inconvenience.
But the purpose of this utility model is to provide a kind of continuous crystallization to handle NdFeB magnetic powder, and energy consumption is low, and is simple in structure, and operating maintenance is vacuum continuous crystallization stove easily.
The utility model is achieved in that a kind of vacuum continuous crystallization stove, comprise body of heater, the vacuum unit that is connected with body of heater, the water supply refrigerating unit that is connected with the vacuum unit, on the body of heater two ends, downside is respectively equipped with loading hopper and holding bin, be provided with feeding device in the body of heater, said body of heater is double-deck housing, in establish the protected type internally heated oven, said feeding device is distolateral by motor-driven motion-work wheel by being located at process furnace one, be located at another distolateral follow-up pulley of process furnace, and the endless conveyor that runs through inside heating furnace on the two-wheeled is formed, the left side of follow-up pulley, right both sides are respectively equipped with travelling belt cooled plate and powder cooled plate, be provided with the turriform water jacket in the said holding bin, said water supply refrigerating unit divides three the tunnel to be communicated with the vacuum unit respectively, turriform water jacket and furnace sandwich, and travelling belt cooled plate and powder cooled plate, and the recovery tank outer with being located at body of heater is connected.
The utility model adopts the internal heating mode, so energy consumption is low; Utilizing endless conveyor can carry furnace charge to carry out crystallization continuously handles; A process furnace only disposes a corresponding vacuum unit of cover and a refrigerating unit, makes whole crystal furnace structure simple, compact, and operating maintenance is convenient.
Now in conjunction with the accompanying drawings and embodiments the utility model is described specifically:
Fig. 1 is a vacuum continuous crystallization furnace structure synoptic diagram.
As shown in Figure 1, a kind of vacuum continuous crystallization stove comprises body of heater 1, the vacuum unit 22 that is connected with body of heater 1, the water supply refrigerating unit 23 that is connected with vacuum unit 22, the upper and lower side at body of heater 1 two ends is respectively equipped with loading hopper 4 and holding bin 16, be provided with feeding device in the body of heater 1, body of heater 1 is double-deck housing, in establish protected type internally heated oven 6, internally heated oven 6 is made up of upper and lower two portions, in have at least five layers of stainless steel sheet 7 to make screen layer, be used for insulation, process furnace 6 is supported on the bearing 9 by ceramic support bar 8 insulation and is adiabatic.Feeding device is by being located at process furnace 6 both end sides respectively, being supported in motion-work wheel 3 and follow-up pulley 13 on the bearing 9, and the stainless steel endless conveyor 10 that runs through process furnace 6 inside on the two-wheeled is formed.The axle 2 of motion-work wheel 3 be located at body of heater 1 direct-current machine outward and be connected, be provided with pinch roller 26 above the motion-work wheel 3, be used to compress stainless steel conveyor belt 10.Bearing 9 is provided with tightening pulley 11, is used for tensioning travelling belt 10.The and arranged on left and right sides of follow-up pulley 13 is respectively equipped with travelling belt cooled plate 12 and powder cooled plate 14, two cooled plate 12 and 14 are platy structure, and its lower surface is communicated with support water pipe 25 and 27.Be provided with turriform water jacket 17 in the holding bin 16.The water supply refrigerating unit was communicated with vacuum unit 22 in 23 minutes three the tunnel respectively, the interlayer of turriform water jacket 17 and body of heater 1, and travelling belt cooled plate 12 and powder cooled plate 14, and the recovery tank 24 outer with being located at body of heater 1 is connected, 23 minutes three road cooling water supplies of refrigerating unit promptly supply water, the vacuum unit 22 of leading up to flows to recovery tank 24, another road flows to the interlayer of body of heater 1 by turriform water jacket 17, flow to recovery tank 24 at last, also have one the tunnel to flow to travelling belt cooled plate 12 and flow to powder cooled plate 14, flow to recovery tank 24 by its supporting tube 27 again by its supporting tube 25.The lower end of loading hopper 4 is connected with material seeding mouth 5 in the present embodiment, material seeding mouth 5 pass body of heater 1 make its outlet be positioned at travelling belt 10 above, material seeding mouth 5 outlet inwall right sides are provided with the plate that connects with screw, adjust the upper-lower position of plate at material seeding mouth 5 inwalls, can regulate the gap between 5 outlets of material seeding mouth and the travelling belt 10, so that control material seeding amount, its gap is 0.5～20mm.One end of body of heater 1 is provided with fire door 21, opens fire door 21, can pull out process furnace 6 and travelling belt 10 etc., is convenient to maintenance and uses.Also be provided with computer interface 15 on the body of heater 1, can connect computer console 19, computer console 19 is provided with the PID temperature control element, can control the Heating temperature of process furnace 6, microcomputer can also be opened the switch series of vacuum unit 22 with the vacuum tightness in the control body of heater 1, the velocity of rotation that can also regulate the voltage control travelling belt 10 of motor.Whole body of heater 1 is supported on the ground by support 20.
During production, the Nd-Fe-B alloys powder behind the fast quenching is packed in the loading hopper 4, vacuumize in 22 pairs of bodies of heater 1 of starting vacuum unit, when vacuum tightness reaches 5 * 10
-2During Pa, opening water supply refrigerating unit 24 supplies water to three the road, send electricity heating for then process furnace 6, when reaching 710 ℃ of predetermined crystallization temperatures, start direct-current machine and drive 10 turning motions of motion-work wheel 3 drive travelling belts, by material seeding mouth 5 powder is evenly sowed on travelling belt 10, travelling belt 10 is brought powder in the process furnace 6 into 40 millimeters/minute linear velocity, be incubated by rapid heating, through falling into holding bin 16 after travelling belt cooled plate 12 and 14 precoolings of powder cooled plate, be quickly cooled to room temperature once more through turriform water jacket 17 again, open the discharge port 18 of holding bin 16, can take out the magnetic after crystallization is handled.Utilize the utility model to feed in raw material on the limit, the limit crystallization is handled, and carries out continuously, can handle 45～135 kilograms of fast quenching magnetics every day, and product percent of pass is 100%.
Claims (3)
1, a kind of vacuum continuous crystallization stove, comprise body of heater (1), the vacuum unit (22) that is connected with body of heater (1), the water supply refrigerating unit (23) that is connected with vacuum unit (22), on body of heater (1) two ends, downside is respectively equipped with loading hopper 4 and holding bin (16), body of heater is provided with feeding device in (1), it is characterized in that said body of heater (1) is double-deck housing, in establish protected type internally heated oven (6), said feeding device is distolateral by motor-driven motion-work wheel (3) by being located at process furnace (6), be located at another distolateral follow-up pulley (13) of process furnace (6), and on two-wheeled, run through inner endless conveyor (10) composition of process furnace (6), the left side of follow-up pulley (13), right both sides are respectively equipped with travelling belt cooled plate (12) and powder cooled plate (14), be provided with turriform water jacket (17) in the said holding bin (16), water supply installation (23) divides three the tunnel to be communicated with vacuum unit (22) respectively, turriform water jacket (17) and body of heater (1) interlayer, and travelling belt cooled plate (12) and powder cooled plate (14), and the recovery tank (24) outer with being located at body of heater (1) is connected.
2, according to the said a kind of vacuum continuous crystallization stove of claim 1, it is characterized in that said internally heated oven (6) is made up of upper and lower two portions, in have stainless steel sheet (7) to make screen layer, and be supported on the bearing (9) with ceramic support bar (8).
3, according to claim 1 or 2 said a kind of vacuum continuous crystallization stoves, it is characterized in that said loading hopper (4) lower end is connected with material seeding mouth (5), material seeding mouth (5) passes body of heater (1), its outlet is positioned at above the travelling belt (10), and the gap between material seeding mouth (5) outlet and the travelling belt (10) is 0.5～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93218911 CN2161624Y (en) | 1993-07-20 | 1993-07-20 | Vacuum continuous crystal furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93218911 CN2161624Y (en) | 1993-07-20 | 1993-07-20 | Vacuum continuous crystal furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2161624Y true CN2161624Y (en) | 1994-04-13 |
Family
ID=33798445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93218911 Expired - Lifetime CN2161624Y (en) | 1993-07-20 | 1993-07-20 | Vacuum continuous crystal furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2161624Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782329B (en) * | 2009-01-21 | 2012-05-30 | 宁波科宁达工业有限公司 | Method and system for saving circulating cooling water of neodymium-iron-boron thermal treatment furnace |
| CN102628152A (en) * | 2011-09-09 | 2012-08-08 | 兰州理工大学 | Conveyor belt continuous powder feeding electrothermal explosion spraying device |
| CN103971924A (en) * | 2014-05-07 | 2014-08-06 | 黟县越驰科技电子有限公司 | Magnetic powder crystallizing furnace |
-
1993
- 1993-07-20 CN CN 93218911 patent/CN2161624Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782329B (en) * | 2009-01-21 | 2012-05-30 | 宁波科宁达工业有限公司 | Method and system for saving circulating cooling water of neodymium-iron-boron thermal treatment furnace |
| CN102628152A (en) * | 2011-09-09 | 2012-08-08 | 兰州理工大学 | Conveyor belt continuous powder feeding electrothermal explosion spraying device |
| CN103971924A (en) * | 2014-05-07 | 2014-08-06 | 黟县越驰科技电子有限公司 | Magnetic powder crystallizing furnace |
| CN103971924B (en) * | 2014-05-07 | 2016-05-25 | 黟县越驰科技电子有限公司 | Magnetic crystallization furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211316993U (en) | Waste heat recovery device for pyrite roasting furnace | |
| CN109539267A (en) | Waste lithium cell is pyrolyzed recovery system and its processing method | |
| CN215975562U (en) | Novel environment-friendly lime shaft kiln | |
| CN107764023A (en) | A kind of Full-automatic continuous vacuum drying system | |
| CN113102446A (en) | Pyrolysis furnace and pyrolysis system for treating waste incineration fly ash dioxin | |
| CN2161624Y (en) | Vacuum continuous crystal furnace | |
| CN201302369Y (en) | Mesh belt type roasting furnace | |
| CN112254512A (en) | Continuous lithium battery material roasting atmosphere protection production line | |
| CN100552357C (en) | Iron sulfide mineral powder desulphurizing roasting and nitrogen quenching multifunctional microwave smelting apparatus | |
| CN2320625Y (en) | Integral rotating vacuum continuous crystallization heat treatment furnace | |
| CN107058701B (en) | A kind of intermittent continuous hydrogen processing method and its device of rare earth permanent magnet | |
| CN205940112U (en) | Rotary kiln | |
| CN206593437U (en) | Tray drying kiln and its feed system | |
| CN208720804U (en) | Horizontal double ribbon roller-type resistance furnace systems | |
| CN201014917Y (en) | Full airproof atmosphere protection high temperature continuous calcination rotary kiln | |
| CN201334495Y (en) | Novel steelmaking process auxiliary feeding device | |
| CN209246708U (en) | A kind of chromium oxide powder high-temperature material takes off material water-cooling apparatus automatically | |
| CN209399572U (en) | A kind of full-automatic coal mine electric central warm air furnace | |
| CN213273793U (en) | Refining furnace scrap steel preheating and feeding device | |
| CN212311101U (en) | Continuous stepping type vacuum welding furnace | |
| CN207619481U (en) | A kind of large-sized structural parts heat treatment equipment | |
| CN201825922U (en) | Multiple-pipe external-heating type decomposing device for coal material | |
| CN118328692B (en) | Double-deck chain aluminium bar heating furnace | |
| CN215113797U (en) | Continuous negative pressure drying furnace | |
| CN111811253B (en) | Full-automatic carbide or ferroalloy production line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |