CN2135761Y - Vacuum quick quench furnace - Google Patents
Vacuum quick quench furnace Download PDFInfo
- Publication number
- CN2135761Y CN2135761Y CN 92209624 CN92209624U CN2135761Y CN 2135761 Y CN2135761 Y CN 2135761Y CN 92209624 CN92209624 CN 92209624 CN 92209624 U CN92209624 U CN 92209624U CN 2135761 Y CN2135761 Y CN 2135761Y
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- Prior art keywords
- crucible
- water
- heater
- cooled
- cooling jacket
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Abstract
The utility model discloses a vacuum quick hardening furnace for preparing the metallurgy quick hardening powder. In the utility model, a crucible pouring nozzle and an indirect cool water type crucible are designed, and an inner screening cover and a wheel brush are additionally arranged basing on the 10T type improved melting atomizer developed by the USA Mark material company, the utility model has the advantages of simple operating procedure, continuous production, energy saving and convenient assembly and disassembly, which can effectively screen the radiant heating from an electric arc to the part not being cooled and can prevent the furnace body from being polluted by the powder dust. The utility model can be used for preparing metallurgy quick hardening powder of the Nd-Fe-B magnetic material or other metallic materials.
Description
The utility model relates to a kind of metallurgical method that utilizes and directly prepares neodymium-iron-boron magnetic material or the metallurgical quenched powder quantity-produced of other metal materials equipment by liquid metal, is a kind of vacuum quick quenching furnace specifically.
In the prior art, 10 types improvement fusion injector/atomizers (MODEL 10T ADVANCED MELT SPIN-NER/ATOMIZER) of U.S. Marko Materials Co., Ltd (Marko Materials INC) development are a kind of equipment of producing the neodymium iron boron quenched powder.It comprises the water-cooled body of heater 28 of stainless steel double Shell as shown in Figure 3, the crucible tipping mechanism 31 that the quenched powder surge drum 29 that is connected with this body of heater bottom, the water-cooled copper crucible 30 that is positioned at body of heater and motor drag, the water cooled electrode bar 32 that is tightly connected with the body of heater spherical rotation and the non-consumable tungsten electrode head that is connected with electrode stem 32, the water-cooled runner 34, screw feeder mechanism 35 and the storage bin 36 that are dragged by motor and the motor that is positioned at body of heater vacuum system 37, arc-melting dc source and driving water-cooled runner outward.Its shortcoming is, the crucible of molten material adopts Dumpage type, promptly after material all melts in crucible, crucible tilts in mechanism with the crucible tipping, and liquid metal is poured on the runner of high speed rotating at leisure, and condensation rapidly, the quenched powder that is thrown out of drops in the surge drum, treat that material in the crucible has fallen the back crucible and resetted, again feed, melt again, topple over and get rid of powder, so the production status of equipment be semi-continuous, production efficiency is low; In every stove production process, the hoisting velocity of toppling over speed, electrode stem of crucible and velocity of rotation all will be carried out synchronously, cause the operating procedure complexity simultaneously; Direct-cooling type is adopted in the cooling that removes outer crucible, and promptly crucible and the seam of crucible cooling jacket are one, and cleaning inconvenience needs integral replacing after crucible damages, and heat loss is big, needs high-power (90KW) dc source.
The purpose of this utility model provides and a kind ofly can prepare continuously that metallurgical quenched powder, operating procedure are simple, parts are installed and changed convenient, energy-conservation vacuum quick quenching furnace.
For achieving the above object, the utility model designed a kind of continuous charging-continuous melting-melt continuous overflow to runner-get rid of a kind of like this quantity-produced mode of operation of powder continuously, on this basis as long as determine a suitable fusion current, the tungsten electrode head is placed on an appropriate position, adopt suitable charging rate can continuously produce qualified quenched powder, specifically, a kind of vacuum quick quenching furnace for preparing metallurgical quenched powder, the water-cooled body of heater that comprises double Shell, be positioned at the copper copper crucible of body of heater, crucible cooling jacket and crucible leaning device, by motor-driven water-cooled runner and wheel brush, electrode stem that is tightly connected with the body of heater spherical rotation and the tungsten electrode head that is connected the electrode stem lower end, the quenched powder surge drum that is connected with the body of heater bottom, and the screw feeder mechanism and the holding bin that is connected with screw feeder mechanism that are located at the body of heater left side, be located at the outer vacuum system of body of heater, the arc-melting dc source, water-cooled runner drive motors and water system, said crucible and crucible cooling jacket are separate type separate component each other, copper crucible is installed in the crucible cooling jacket, be the curved surface contact each other, the crucible cooling jacket is connected with the advance and retreat screw rod, being provided with watering of being connected with copper crucible between copper crucible and the water-cooled runner chews, water chew and the water-cooled runner between a gap of being regulated by the advance and retreat screw rod is arranged, be provided with the water-cooled inner shield of double Shell in the body of heater, copper crucible, the crucible cooling jacket, water-cooled runner and wheel brush all place in the water-cooled inner shield.
Advantage of the present utility model is that copper crucible is provided with to water and chews, do not need the tipping crucible and promote electrode tip melt is overflowed on the water-cooled runner by watering to chew, operating procedure simply, realized continuous production; Copper crucible and crucible cooling jacket are that the curved surface of separate type cools off indirectly, the little and easy accessibility of heat loss; Establish the water-cooled inner shield in the body of heater, shielded arc is to the radiation heating of cold parts not effectively, and prevented the pollution of dust to inboard wall of furnace body.
Now in conjunction with the accompanying drawings and embodiments the utility model is described in further detail:
Fig. 1 is the vacuum quick quenching furnace structural representation;
Fig. 2 is the vertical view of vacuum quick quenching furnace;
The 10T type that Fig. 3 provides for Marko Materials Co., Ltd improves the structural representation of fusion injector/atomizer.
As depicted in figs. 1 and 2, vacuum quick quenching furnace comprises the water-cooled body of heater 7 of double Shell, be positioned at the copper crucible 15 of body of heater 7, crucible cooling jacket 16 and crucible leaning device 18, by motor-driven water-cooled runner 9 and wheel brush 10, electrode stem 4 that is tightly connected with body of heater 7 top spherical rotation and the tungsten electrode head 6 that is connected electrode stem 4 lower ends, the quenched powder surge drum 12 that is connected with body of heater 7 bottoms, be located at the screw feeder mechanism 1 and the holding bin 3 that is connected with screw feeder mechanism 1 in body of heater 7 left sides, be located at the vacuum system 11 on body of heater 7 right sides, be located at the outer water-cooled runner drive motors 19 of stove, and arc-melting dc source and water system.Copper crucible 15 and crucible cooling jacket 16 are separate type, separate component each other, and copper crucible 15 is contained in the crucible cooling jacket 16, and the face of being in contact with one another is a curved surface, by contact-making surface contact cooling indirectly.Crucible water jacket 16 is connected with advance and retreat screw rod 17.Between copper crucible 15 and water-cooled runner 9, be provided with a crucible that links to each other with copper crucible 15 and water and chew 13, select suitable composite oxides to manufacture crucible and water and chew, can cut down the consumption of energy effectively.Crucible water chew 13 and water-cooled runner 9 between a gap is arranged, its big I is regulated by the advance and retreat screw rod that links to each other with crucible cooling jacket 16 17, is generally 0.5～1 millimeter.Be provided with the water-cooled inner shield 8 of double Shell in the body of heater 7, copper crucible 15, crucible cooling jacket 16 and water-cooled runner 9 and wheel brush 10 all place in the water-cooled inner shield 8, and shielded arc prevents the pollution of dust to body of heater 7 inwalls to the radiation heating of cold parts not effectively.In the utility model, utilize the alternating current generator 19 of an adjustable speed to drive water-cooled runner 9, water-cooled runner 9 is connected with motor 19 by rotating shaft 27, rotating shaft 27 is supported by two high-precision bearings 24, with double-layer seal circle 25 and body of heater 7 sealings, 25 on double-layer seal circle is filled with cold oil 26, and cooling water is introduced runner 9 and rotating shaft 27 by annular water tank 20, and rotating shaft 27 is a taper connection with water-cooled runner 9.Dc speed-regulating motor 21 rotates by wheel brush rotating shaft 22 driven wheels brush 10, and the sealing of the support of wheel brush rotating shaft 22 and it and body of heater 7 is with runner rotating shaft 27.To 6 power supplies of tungsten electrode head, by the double Shell of water system equipment outer water pipe to body of heater, inner shield 8 and crucible cooling jacket 16 inject cooling water to vacuum quick quenching furnace, are vacuumized by vacuum system 11 by the lonely fusing of electricity dc source.
The utility model course of work is as follows: add bulk goods 2 in holding bin 3, in copper crucible 15, add starting the arc material, the oblique mechanism 18 of rotating crucible makes crucible cooling jacket 16 together with copper crucible inclination certain angle, adjust cooling jacket advance and retreat screw rod 17 composite oxides are watered chew 13 and runner 9 between the gap be 0.5～1 millimeter.Open each Cold water tap and supply water, close fire door 23 then, starting vacuum system 11, treat that vacuum reaches required value in the stove after, in stove 7, charge into a certain amount of argon gas.Adjust electrode stem 4, make tungsten electrode head 6 contact the starting the arc with starting the arc material, control and adjusting arc current are to required value, the tungsten electrode head is transferred to suitable position, starts runner 9 and wheel brush 10, start screw feed mechanism 1, with the feeding in copper crucible 15 of certain speed, the liquid metal 14 that has melted is chewed 13 runners 9 that flow to high speed rotating by watering, and the powder of rapid condensation promptly is thrown out of, fall in the surge drum 12.Continuous so reinforced, constantly powder is constantly got rid of in fusing, till the material in holding bin 2 all gets rid of light, realizes continuous flow procedure.Whole process operation is simple, and is convenient, stable, reliable.The indirect water-cooling copper crucible uses and clears up conveniently, and the life-span is long, and the dc source power output is 16KW, can satisfy instructions for use, and the dual-cooling type vacuum dynamic seal uses sealing reliable for a long time, and the air tight rate of runner high speed rotating is less than 4 * 10
-4L-Pa/S, neodymium iron boron quenched powder oxygenation amount＜200pmm, the runner easy accessibility, interchangeability is good; The water-cooled inner shield can prevent the influence of not cold parts raying heat, simultaneously volatile matter is condensate on this cover inwall, reduces the pollution to body of heater, is convenient to cleaning.
Claims (2)
1, a kind of vacuum quick quenching furnace for preparing metallurgical quenched powder, the water-cooled body of heater 7 that comprises double Shell, be positioned at the copper crucible 15 of body of heater 7, crucible cooling jacket 16, crucible leaning device 18, by motor-driven water-cooled runner 9 and wheel brush 10, electrode stem 4 that is tightly connected with body of heater 7 spherical rotation and the tungsten electrode head 6 that is connected electrode stem 4 lower ends, be located at the screw feeder mechanism 1 and the holding bin 3 that is connected with screw feeder mechanism 1 in body of heater 7 left sides, the quenched powder surge drum 12 that is connected with body of heater 7 bottoms, be located at body of heater 7 vacuum system 11 outward and the drive motors 19 and wheel brush 10 drive motors 21 of water-cooled runner 9, it is characterized in that copper crucible 15 and crucible cooling jacket 16 are separate components each other, copper crucible 15 is installed in the crucible cooling jacket 16, contact-making surface is a curved surface, crucible cooling jacket 16 is connected with advance and retreat screw rod 17, have between copper crucible 15 and the water-cooled runner 9 one be connected with copper crucible 15 water and chew 13, water chew 13 and water-cooled runner 9 between a gap of being regulated by advance and retreat screw rod 17 is arranged, be provided with the water-cooled inner shield 8 of double Shell in the body of heater 7, copper crucible 15, crucible cooling jacket 16, water-cooled runner 9 and wheel brush 10 all place in the inner shield 8.
2, according to the said a kind of vacuum quick quenching furnace of claim 1, it is characterized in that watering chew 13 and water-cooled runner 9 between the gap be 0.5～1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92209624 CN2135761Y (en) | 1992-05-16 | 1992-05-16 | Vacuum quick quench furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92209624 CN2135761Y (en) | 1992-05-16 | 1992-05-16 | Vacuum quick quench furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2135761Y true CN2135761Y (en) | 1993-06-09 |
Family
ID=33762805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92209624 Expired - Lifetime CN2135761Y (en) | 1992-05-16 | 1992-05-16 | Vacuum quick quench furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2135761Y (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 |
| 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 |
| CN108941590A (en) * | 2018-08-14 | 2018-12-07 | 宁波中物力拓超微材料有限公司 | Titanium alloy smelting powder by atomization equipment and preparation process |
-
1992
- 1992-05-16 CN CN 92209624 patent/CN2135761Y/en not_active Expired - Lifetime
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 |
| 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 |
| CN108941590A (en) * | 2018-08-14 | 2018-12-07 | 宁波中物力拓超微材料有限公司 | Titanium alloy smelting powder by atomization equipment and preparation process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |