CN203286888U - Fully-closed magnesium alloy vacuum melting furnace - Google Patents
Fully-closed magnesium alloy vacuum melting furnace Download PDFInfo
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- CN203286888U CN203286888U CN2013202096226U CN201320209622U CN203286888U CN 203286888 U CN203286888 U CN 203286888U CN 2013202096226 U CN2013202096226 U CN 2013202096226U CN 201320209622 U CN201320209622 U CN 201320209622U CN 203286888 U CN203286888 U CN 203286888U
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Abstract
A fully-closed magnesium alloy vacuum melting furnace comprises a furnace body, a feeding device and a stirring device. The furnace body is of a column structure, a crucible is fixedly arranged in the furnace body, thermal insulation materials are arranged between the crucible and a furnace shell of the furnace body, a sealed crucible cover is arranged on the crucible, and shoulder portions of the crucible cover are provided with pressure bolts. The feeding device is arranged on the crucible cover in a sealed mode, a shell of the feeding device is in a circular shape, the feeding device is composed of a feeding cylinder and a feeding cylinder cover performing a sealing function, the center of the feeding device is provided with a circular rotary shaft, partition boards which are evenly distributed are arranged on the rotary shaft, and meanwhile, the outer edge of the feeding cylinder cover is evenly provided with fastening bolts and is connected with the feeding cylinder through the fastening bolts in a sealing mode. The stirring device comprises an electric motor, a magnetic coupling and a stirring device body, wherein the magnetic coupling and the stirring device body are sealed, and the output shaft end of the electric motor is connected with the magnetic coupling and is connected with the stirring device body through the magnetic coupling. The fully-closed magnesium alloy vacuum melting furnace is simple in structure, convenient to operate, economical and environmentally friendly, saves resources and has popularization and application value.
Description
Technical field
The utility model relates to the smelting furnace in metal material and metallurgical technology field, is specially a kind of total closed type magnesium alloy vacuum smelting furnace.
Background technology
Magnesium is that in all structures use metal and alloy materials, density is minimum.Compare with other structural metallic materials, magnesium and magnesium alloy have specific strength, specific stiffness is high, damping property, electromagnetic wave shielding and capability of resistance to radiation are strong, easy machining, the series of advantages such as easy recovery, having extremely important using value and wide application prospect at automobile, electronics, electrical equipment, traffic, communication, space flight and national defense and military industrial circle, is the 3rd class formation metal material that grows up after iron and steel and aluminium alloy, and is referred to as the green engineering material of 21 century.Along with the exhaustion day by day of a lot of metallic mineral resources, magnesium comes into one's own day by day with its aboundresources, and particularly the demand of light in structure quantification technique and environmental issue has stimulated the development of magnesium industry more.At present, the research of magnesium and the magnesium alloy materials focus that become international.
The magnesium metal chemism is very high, is a kind of metal of very easily oxidation, and the oxide-film tissue looseness that generates, and can not play effective protective effect.During special high melt, magnesium and magnesium alloy are in molten condition, more hold oxidizedly, even cause violent burning.And being mingled with of oxide in magnesium alloy can significantly be reduced mechanical property and the corrosion resistance of magnesium alloy.
Existing magnesium or used for magnesium alloy smelting furnace mostly are open or semi open model smelting furnace.On the one hand, use these smelting furnaces liquation liquid level in fusion process to contact with air and produce oxide, in especially reinforced process, use most of smelting furnaces that liquation is contacted with air, oxide will pour into foundry goods or ingot casting in casting process, affect product quality.Simultaneously, obtaining oxygen in air can react with the steel crucible inwall of high-temperature smelting pot, causes oxidation, causes the pollution of magnesium melt, and affects the service life of crucible.On the other hand, increase the use amount of protective gas, carrier gas and refining gas etc. in the production process, increased the pollution to air, increased production cost.In recent years, global warming trend comes into one's own day by day, and international magnesium association just once proposed to improve magnesium smelting furnace sealing, reduced the discharging of protective gas.
The utility model content
The technical problem that the utility model solves is to provide a kind of total closed type magnesium alloy vacuum smelting furnace, and this novel sense melt furnace is simple in structure, handled easily, be applicable to large-scale industrial production, can be in order to solve the shortcoming in the above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
A kind of total closed type magnesium alloy vacuum smelting furnace, comprise body of heater, feeding device and agitating device, wherein, body of heater is that tangent plane is square or circular column structure, the furnace shell that its outside parcel is formed by Plate Welding, and crucible is fixedly installed in body of heater, be filled with heat preserving and insulating material between the furnace shell of itself and body of heater, fill Packed crucible cover on its crucible, the crucible cover shoulder evenly is provided with six pressure bolts, reaches the effect of press seal to play the crucible that makes in body of heater; Described feeding device sealing is arranged on crucible cover, shell is circular, formed by casing drum and the reinforced cover two parts that seal, the feeding device centre bit is equipped with a circular rotating shaft, be welded with equally distributed dividing plate in rotating shaft, simultaneously, the outward flange of reinforced cover evenly is provided with fastening bolt, and by this fastening bolt and casing drum, is tightly connected; Described agitating device comprises magnetic coupling and the agitator of motor, sealing, the output shaft end of its motor connects magnetic coupling and by magnetic coupling, with agitator, is connected, whole agitating device is take motor as power, by magnetic coupling, rotating shaft is rotated, rotating speed measurement and control instrument adjusting rotary speed, thus reach reinforced and stir purpose.
In the utility model, described smelting furnace adopts Resistant heating, and its heating electric resistance silk is embedded in heat preserving and insulating material.
In the utility model, described agitating device top is connected with the casing drum rotating shaft of feeding device by shaft coupling.
In the utility model, the agitator of described agitating device adopts a kind of in dasher, anchor agitator or gate stirrer.
In the utility model, top, described smelting zone crucible cover on be equipped with into and out of tracheae, thermocouple intubate and Pressure gauge.
This smelting furnace has been realized under whole airtight and vacuum state reinforced.
According to the utility model smelting furnace, in use, initial material is put into crucible, cover crucible cover, by the crucible cover bolt with furnace sealing.Then, material to be added in fusion process is put into the barrel buffer storage area, cover reinforced cover, by the casing drum bonnet bolt, feeding device is sealed, realized the seal of smelting furnace integral body.Before heating, intake valve cuts out, air outlet valve connects pumped vacuum systems, and smelting furnace is vacuumized, and then closes air outlet valve.After initial material arrives fusion temperature, control the motor slow-speed of revolution by the adjusting rotary speed measurement and control instrument and rotate, material to be added is entered in crucible, and then be adjusted to suitable rotating speed material in crucible is stirred.Melting finishes, and opens the liquation outlet valve and casts.Overall process has been avoided contacting of oxygen and liquation in the air fully, has effectively prevented the oxidizing fire of magnesium and magnesium alloy, and when needs pass into the gas refinement agent, has greatly saved the consumption of refining gas.
Beneficial effect: the utility model is simple in structure, use is safe, easy to operate; it in process of production; do not need to pass into protective gas; magnesium and magnesium alloy from oxidative combustion have effectively been prevented; extended the service life of crucible; reduced the harm to environment and human body, made that production efficiency is high, production cost is low, product quality is high.
Description of drawings
Fig. 1 is the overall structure schematic diagram of smelting furnace.
Wherein, each label can be expressed as: body of heater 1, resistance wire 2, crucible 3, crucible cover bolt 4, crucible cover 5, air inlet pipe 6, thermocouple intubate 7, casing drum bonnet bolt 8, rotating shaft 9, rotating speed measurement and control instrument 10, motor 11, tachymeter 12, magnetic coupling 13, reinforced cover 14, casing drum dividing plate 15, casing drum 16, Pressure gauge 17, escape pipe 18, shaft coupling 19, agitator 20, liquation outlet 21.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand,, below in conjunction with concrete diagram, further set forth the utility model.
Preferred embodiment referring to a kind of total closed type magnesium alloy vacuum smelting furnace of Fig. 1, in the present embodiment, mainly comprise body of heater, feeding device and agitating device three parts, body of heater 1 squarely or circular configuration, furnace shell is formed by Plate Welding, liner thermal insulation separation thermosphere, smelting furnace can adopt resistance wire 2 heating, crucible 3 is equipped with the crucible cover 5 that seals, and, by to the tightening of six bolt 4 moment equilibriums of crucible cover shoulder, makes body of heater reach press seal.Air inlet pipe 6, escape pipe 18, thermocouple intubate 7 and Pressure gauge all are contained on crucible cover 5, and agitator 20 is equipped with in crucible inside, and agitator 20 can be selected slurry formula, anchor formula, frame etc. as required, and agitator is connected with casing drum rotating shaft 9 by shaft coupling 19.The feeding device sealing is arranged on crucible cover, and shell is circular, casing drum 16 and reinforced cover 14 two parts that seal, consists of.The feeding device centre bit is equipped with a circular rotating shaft 9, be welded with equally distributed dividing plate 15 in rotating shaft, the feed zone that is separated out equivalent amount and buffer storage area with barrel 16 intervals, have the charging hole corresponding with the feed zone size (the charging hole size is equal to or less than the feed zone size) on crucible cover 5, rotation by dividing plate 15, make material to be added enter feed zone from buffer storage area, further through charging hole, enter crucible 3, realize reinforced process., by to the tightening of six bolt 8 moment equilibriums on reinforced cover 14, make feeding device reach press seal.Agitating device comprises that the magnetic coupling 13 of motor 11, velometer 12, sealing and rotating speed measurement and control instrument 10 form, take motor 11 as power, by magnetic coupling 13, rotating shaft 9 is rotated, rotating speed measurement and control instrument 10 adjusting rotary speeds, thus reach reinforced and stir purpose.
Below describe the operating process of utilizing the utility model Melting Magnesium alloy in detail.
Before melting starts, liquation outlet 21 valve closings, crucible cover 5 are removed, the material of drying is put into crucible 3 bottoms, cover crucible cover 5,, to tightening of six bolt 4 moment equilibriums of crucible cover shoulder, make body of heater reach press seal.Then, the cover 14 that will feed in raw material is removed, and material to be added in fusion process is put into the barrel buffer storage area, covers reinforced cover,, to tightening of six bolt 8 moment equilibriums on reinforced cover 14, makes feeding device reach press seal.Before heating, with air inlet pipe 6 valve closings, escape pipe 18 valves connect pumped vacuum systems, and smelting furnace is vacuumized, and Pressure gauge 17 will be indicated furnace pressure, after having vacuumized, close escape pipe 18 valves.After a small amount of conduction oil of the interior injection of thermocouple intubate 7, in the thermocouple Inserting Tube, temperature in the Real-Time Monitoring crucible.After initial material arrives fusion temperature, control motor 11 slow-speed of revolution by adjusting rotary speed measurement and control instrument 10 and rotate, make material to be added enter charging zone from buffer storage area, and then advanced charging aperture and enter in crucible 3.Then, then according to technique need adjusting rotary speed controller 10 to suitable rotating speed, material in crucible to be stirred.After melting finishes, open liquation outlet 21 valves, pour into a mould.The melting overall process has been avoided contacting of oxygen and liquation in the air fully, has effectively prevented the oxidizing fire of magnesium and magnesium alloy, has improved product quality.
When needs pass into refining gas, only need to open air inlet pipe 6 valves that go deep into liquation inside after reinforced completing, pass into refining gas.Too high for preventing furnace pressure, can appropriateness open escape pipe 18 valves.After melting finishes, close escape pipe and air inlet pipe valve, open liquation outlet 21 valves, pour into a mould.The melting overall process has been avoided contacting of oxygen and liquation in the air equally, has saved simultaneously the consumption of protective gas.
Above demonstration and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. total closed type magnesium alloy vacuum smelting furnace, comprise body of heater, feeding device and agitating device, it is characterized in that, body of heater is that tangent plane is square or circular column structure, crucible is fixedly installed in body of heater, be filled with heat preserving and insulating material between the furnace shell of itself and body of heater, fill Packed crucible cover on described crucible, the crucible cover shoulder evenly is provided with six pressure bolts; Described feeding device sealing is arranged on crucible cover, shell is circular, formed by casing drum and the reinforced cover two parts that seal, the feeding device centre bit is equipped with a circular rotating shaft, be welded with equally distributed dividing plate in rotating shaft, simultaneously, the outward flange of reinforced cover evenly is provided with fastening bolt, and by this fastening bolt and casing drum, is tightly connected; Described agitating device comprises magnetic coupling and the agitator of motor, sealing, and the output shaft end of its motor connects magnetic coupling and by magnetic coupling, with agitator, is connected.
2. a kind of total closed type magnesium alloy vacuum smelting furnace according to claim 1, is characterized in that, described smelting furnace adopts Resistant heating, and its heating electric resistance silk is embedded in heat preserving and insulating material.
3. a kind of total closed type magnesium alloy vacuum smelting furnace according to claim 1, is characterized in that, described agitating device top is connected with the casing drum rotating shaft of feeding device by shaft coupling.
4. a kind of total closed type magnesium alloy vacuum smelting furnace according to claim 1, is characterized in that, the agitator of described agitating device adopts a kind of in dasher, anchor agitator or gate stirrer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202096226U CN203286888U (en) | 2013-04-24 | 2013-04-24 | Fully-closed magnesium alloy vacuum melting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202096226U CN203286888U (en) | 2013-04-24 | 2013-04-24 | Fully-closed magnesium alloy vacuum melting furnace |
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| CN203286888U true CN203286888U (en) | 2013-11-13 |
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| CN2013202096226U Expired - Fee Related CN203286888U (en) | 2013-04-24 | 2013-04-24 | Fully-closed magnesium alloy vacuum melting furnace |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300125A (en) * | 2015-11-30 | 2016-02-03 | 银邦金属复合材料股份有限公司 | Stirring and conveying mechanism |
| CN106440786A (en) * | 2016-09-22 | 2017-02-22 | 长春黄金研究院 | Pouring type industrial high-temperature heating furnace and usage method thereof |
| CN106868296A (en) * | 2017-03-01 | 2017-06-20 | 侯如升 | A kind of temperature adjustment suction type chemical industry smelts case |
| CN107916330A (en) * | 2017-12-07 | 2018-04-17 | 李明科 | A kind of safe smelting furnace |
| CN108188363A (en) * | 2018-04-04 | 2018-06-22 | 乐山师范学院 | Amorphous magnesium alloy melt-spun integrally uses crucible |
| CN109706334A (en) * | 2019-01-17 | 2019-05-03 | 太原理工大学 | Cast alumin(i)um dicalcium/magnesium dicalcium reinforced phase magnesium-based composite material preparation method in a kind of high-content |
| CN109855427A (en) * | 2018-12-29 | 2019-06-07 | 河北丰维机械制造有限公司 | A kind of vacuum melting furnace with agitating function |
| CN113532115A (en) * | 2021-06-15 | 2021-10-22 | 西安交通大学 | Even ceramic aerogel high temperature atmospheric pressure sintering device in warm area |
| CN114739171A (en) * | 2022-05-05 | 2022-07-12 | 湖南江滨机器（集团）有限责任公司 | Composite material preparation device and preparation method |
| WO2023000351A1 (en) * | 2021-07-21 | 2023-01-26 | 刘琦 | Smelting and stirring integrated high-temperature smelting furnance for preparing magnesium-based composite material |
-
2013
- 2013-04-24 CN CN2013202096226U patent/CN203286888U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300125A (en) * | 2015-11-30 | 2016-02-03 | 银邦金属复合材料股份有限公司 | Stirring and conveying mechanism |
| CN106440786A (en) * | 2016-09-22 | 2017-02-22 | 长春黄金研究院 | Pouring type industrial high-temperature heating furnace and usage method thereof |
| CN106868296A (en) * | 2017-03-01 | 2017-06-20 | 侯如升 | A kind of temperature adjustment suction type chemical industry smelts case |
| CN107916330A (en) * | 2017-12-07 | 2018-04-17 | 李明科 | A kind of safe smelting furnace |
| CN108188363A (en) * | 2018-04-04 | 2018-06-22 | 乐山师范学院 | Amorphous magnesium alloy melt-spun integrally uses crucible |
| CN109855427A (en) * | 2018-12-29 | 2019-06-07 | 河北丰维机械制造有限公司 | A kind of vacuum melting furnace with agitating function |
| CN109706334A (en) * | 2019-01-17 | 2019-05-03 | 太原理工大学 | Cast alumin(i)um dicalcium/magnesium dicalcium reinforced phase magnesium-based composite material preparation method in a kind of high-content |
| CN109706334B (en) * | 2019-01-17 | 2021-01-22 | 太原理工大学 | Preparation method of high-content endogenous aluminum dicalcium/magnesium dicalcium reinforcing phase magnesium-based composite material |
| CN113532115A (en) * | 2021-06-15 | 2021-10-22 | 西安交通大学 | Even ceramic aerogel high temperature atmospheric pressure sintering device in warm area |
| WO2023000351A1 (en) * | 2021-07-21 | 2023-01-26 | 刘琦 | Smelting and stirring integrated high-temperature smelting furnance for preparing magnesium-based composite material |
| CN114739171A (en) * | 2022-05-05 | 2022-07-12 | 湖南江滨机器（集团）有限责任公司 | Composite material preparation device and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131113 Termination date: 20190424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |