CN217210305U - Alloy induction melting and vacuum integrated furnace - Google Patents
Alloy induction melting and vacuum integrated furnace Download PDFInfo
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- CN217210305U CN217210305U CN202220172497.5U CN202220172497U CN217210305U CN 217210305 U CN217210305 U CN 217210305U CN 202220172497 U CN202220172497 U CN 202220172497U CN 217210305 U CN217210305 U CN 217210305U
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Abstract
The utility model discloses an alloy induction melting and vacuum integrated furnace, which comprises a main control computer, two integrated furnaces, a power supply for supplying power to the two integrated furnaces and a vacuumizing mechanism for vacuumizing the two integrated furnaces, wherein the integrated furnace comprises a furnace body, a furnace cover and a furnace cover lifting and unscrewing device, the outer side of the bottom of the furnace body is provided with a bottom argon blowing device, the furnace body comprises a furnace lining, an induction melting device and a vacuum furnace shell, and the furnace cover comprises an inner furnace cover and an outer furnace cover; the power supply comprises a transformer and an induction melter power supply; the vacuum pumping mechanism comprises vacuum pumping equipment, a vacuum pipeline main pipe and two groups of vacuum pipelines which respectively pump vacuum to the two integrated furnaces. The utility model discloses accomplish the smelting and the evacuation of alloy in same furnace body, the temperature drop is low, and evacuation duration is long, and alloy molten steel degasification is effectual, and the thermal efficiency is high, and the alloy is received the yield height, energy saving and consumption reduction, realization are with low costs, and differentiation, accurate, argon gas stirring homogenization adjustment alloy ability are strong, and the clean and special steel quality performance of alloy is good.
Description
Technical Field
The utility model belongs to the technical field of alloy induction melting vacuum, concretely relates to alloy induction melting, integrative stove in vacuum.
Background
The new material of high alloy, clean steel, energy-saving, environment-friendly and low-carbon special steel is the current market trend, various brands of high alloy and clean special steel are widely applied to the key fields of national economy and various industries at present, the varieties of the special steel are multiple and less in consumption, most of the varieties are melted and smelted by an electric arc furnace or an intermediate frequency furnace under normal pressure to basically reach the brands of alloy quantity, then alloy solution is poured into a steel ladle, the temperature of the alloy steel is reduced by 50-60 ℃ by refractory materials of the steel ladle, then the steel ladle containing the alloy solution is hung into a vacuum tank, the alloy solution is vacuumized by covering the steel ladle, gas inclusions in the molten steel are removed, vacuum refining is carried out, the temperature of the alloy steel is reduced by 3-9 ℃ per minute under the vacuum state, so that the vacuum pump is stopped and the air exhaust is stopped for a long time, the vacuum effect can not be achieved, the 'hydrogen', 'oxygen' and 'nitrogen' gases in the alloy molten steel can not be reduced, so that the alloy molten steel is 'unclean' due to gas inclusions, the comprehensive mechanical properties of high alloy and clean special steel are greatly influenced, the molten steel is recycled occasionally, the steel alloy 'clean steel' is of a plurality of types and small in dosage, and the tonnage of a smelting furnace is not large, so that the energy is saved, the vacuum effect can not be achieved, the temperature is low, the time is short, the vacuum pumping effect is poor, and the quality and the performance of the refined high alloy and clean special steel are poor. Meanwhile, the electric arc furnace adopts a carbon electrode for arc starting and electric conduction, so that the alloy in the alloy molten steel can be burnt by the electric arc, and the alloy liquid can be carburized by the electrode, thereby causing pollution; therefore, the research and development of special smelting equipment are imperative to solve a series of problems of large temperature drop of molten steel, insufficient vacuumizing time, low vacuum degree, poor degassing effect, large energy consumption and the like of different furnaces of high-alloy clean special steel, small variety, small furnace, smelting and vacuumizing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide an alloy response and melt, integrative stove in vacuum, its novel in design is reasonable, accomplish the smelting and the evacuation of alloy in same furnace body, the temperature drop is low, evacuation duration is long, alloy molten steel degasification is effectual, the thermal efficiency is high, the alloy yield is high, energy saving and consumption reduction, low cost is realized, the differentiation, it is accurate, argon gas stirring homogenization adjustment alloy ability is strong, the clean and special steel quality performance of alloy is good, excellent in use effect, and convenient to popularize and use.
In order to solve the technical problem, the utility model adopts the technical scheme that: an alloy induction melting and vacuum integrated furnace is characterized in that: the integrated furnace comprises a main control machine, two integrated furnaces, a power supply for supplying power to the two integrated furnaces and a vacuumizing mechanism for vacuumizing the two integrated furnaces, wherein the integrated furnaces comprise a furnace body, a furnace cover matched with the furnace body and a furnace cover lifting and unscrewing device for operating the furnace cover, the furnace body is hinged to a support, a bottom argon blowing device is arranged on the outer side of the bottom of the furnace body, a bottom argon blowing stirrer is arranged on the inner side of the bottom of the furnace body, the furnace body comprises a furnace lining, an induction melter wrapped on the outer side of the furnace lining and a vacuum furnace shell arranged on the outer side of the induction melter, the furnace cover comprises an inner furnace cover matched with the top of the furnace lining and an outer furnace cover matched with the vacuum furnace shell, a plurality of through holes are formed in the inner furnace cover, and a flange and a sealing ring are arranged at the matching position of the top of the vacuum furnace shell and the outer furnace cover;
the power supply comprises a transformer and an induction melter power supply which is connected with the output end of the transformer and supplies power to the induction melter;
the vacuumizing mechanism comprises vacuumizing equipment, a vacuum pipeline main pipe and two groups of vacuum pipelines which respectively supply two integrated furnaces for vacuumizing, wherein each vacuum pipeline comprises a furnace body vacuum pipeline communicated with a vacuum furnace shell, a furnace cover vacuum pipeline communicated with an outer furnace cover and a vacuum pipeline branch pipe communicated with the furnace body vacuum pipeline and the furnace cover vacuum pipeline, one end of the vacuum pipeline main pipe is communicated with one end of the vacuum pipeline branch pipe away from the furnace body vacuum pipeline and the furnace cover vacuum pipeline through an inverted U-shaped connecting pipe, one end of the vacuum pipeline main pipe is connected with a vacuum pump set through a coarse filter and a fine filter in sequence, and the vacuum pump set is controlled by a main control unit.
The alloy induction melting and vacuum integrated furnace is characterized in that: the induction melter is fixedly connected with the vacuum furnace shell through a connecting rod.
The alloy induction melting and vacuum integrated furnace is characterized in that: one side of the top of the vacuum furnace shell is hinged with the bracket through a hinged shaft.
The alloy induction melting and vacuum integrated furnace is characterized in that: and a furnace nozzle is arranged on one side of the top of the furnace lining.
The alloy induction melting and vacuum integrated furnace is characterized in that: and the bottom argon blowing device sequentially penetrates through the vacuum furnace shell and the bottom wall of the furnace lining and extends into a molten pool in the furnace lining.
The alloy induction melting and vacuum integrated furnace is characterized in that: the induction melter power supply supplies power to the induction melter through the water-cooled cable.
The alloy induction melting and vacuum integrated furnace is characterized in that: the coarse filter and the fine filter are connected with a vacuum pump set through filter connecting pipes.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up two integrative stoves, an integrative stove work, another integrative stove is reserve, integrative stove is including articulated furnace body of installing on the support, promote the unscrewing device with the bell that carries out the operation to the bell with furnace body complex bell, the bell promotes the unscrewing device and is convenient for open and remove the bell, the furnace body includes the furnace wall, the response melter of parcel in the furnace wall outside and the vacuum furnace shell of setting in the response melter outside, with the smelting and the evacuation of alloy accomplish in same furnace body, avoid empting the alloy molten steel, the temperature drops down, the evacuation duration is long, alloy molten steel degasification is effectual, the thermal efficiency is high, the yield is received to the alloy is high, energy saving and consumption reduction, realize with low costs, the differentiation, it is accurate, argon gas stirring homogenization adjustment alloy ability is strong, convenient to popularize and use.
2. The utility model discloses a set up the power supply of induction melter for the induction melter, realize melting of alloy, treat that the alloy is smelted and accomplish, the cut-off power supply, blow argon stirring solid inclusion physical stirring come-up, utilize main control computer control vacuum pump group to the alloy evacuation, the impurity that the alloy molten steel was introduced is avoided empting to the furnace wall, and the alloy is clean and special steel quality can the good performance, excellent in use effect.
3. The utility model relates to a novelty is reasonable, corresponds with two integrative stoves respectively through setting up two sets of vacuum pipe, utilizes one set of evacuation equipment to select any one body stove evacuation, and wherein, the one end that the vacuum pipeline was responsible for is through the one end intercommunication that furnace body vacuum line and bell vacuum line were kept away from to the connecting pipe of falling the U-shaped and vacuum line branch pipe, switches effectually, convenient to popularize and use.
To sum up, the utility model relates to a novelty is reasonable, accomplishes the smelting and the evacuation of alloy in same furnace body, and the temperature drop is low, and evacuation duration is long, and alloy molten steel degasification is effectual, and the thermal efficiency is high, and the alloy yield is high, and energy saving and consumption reduction, realization are with low costs, and differentiation, accurate, argon gas stirring homogenization adjustment alloy ability reinforce, the alloy is clean and special steel quality can be good, excellent in use effect, convenient to popularize and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the integrated furnace of the present invention.
Description of reference numerals:
1-a vacuum pump set; 2-fine filter; 3, a coarse filter;
4-filter connecting pipe; 5, a vacuum pipeline main pipe; 6, an inverted U-shaped connecting pipe;
7-vacuum pipeline branch pipe; 8-furnace body vacuum pipeline; 9-furnace cover vacuum pipeline;
10, a furnace body; 11-furnace cover; 12-bottom argon blowing stirrer;
13-lifting and unscrewing device of furnace cover; 14-a transformer;
15-induction melter power supply; 16-water cooled cables;
17-furnace lining; 18-an induction melter;
19-a connecting rod; 20-vacuum furnace shell; 21-a support;
22-a hinge axis; 23, sealing rings; 24-furnace mouth;
25-inner furnace cover; 26-outer furnace cover; 27-bottom argon blowing device.
Detailed Description
As shown in figure 1 and figure 2, the utility model comprises a main control machine, two integrated furnaces, a power supply for supplying power to the two integrated furnaces and a vacuum-pumping mechanism for pumping vacuum to the two integrated furnaces, the integrated furnace comprises a furnace body 10, a furnace cover 11 and a furnace cover lifting and unscrewing device 13, wherein the furnace body 10 is hinged to a support 21, the furnace cover 11 is matched with the furnace body 10, the furnace cover lifting and unscrewing device 13 is used for operating the furnace cover 11, a bottom argon blowing device 27 is arranged on the outer side of the bottom of the furnace body 10, a bottom argon blowing stirrer 12 is arranged on the inner side of the bottom of the furnace body 10, the furnace body 10 comprises a furnace lining 17, an induction melter 18 wrapped on the outer side of the furnace lining 17 and a vacuum furnace shell 20 arranged on the outer side of the induction melter 18, the furnace cover 11 comprises an inner furnace cover 25 and an outer furnace cover 26, the inner furnace cover 25 is matched with the top of the furnace lining 17, the outer furnace cover 26 is arranged on the outer side of the inner furnace cover 25 and matched with the vacuum furnace shell 20, a plurality of through holes are formed in the inner furnace cover 25, and a flange and a sealing ring 23 are arranged at the matching position of the top of the vacuum furnace shell 20 and the outer furnace cover 26;
the power supply comprises a transformer 14 and an induction melter power supply 15 which is connected with the output end of the transformer 14 and supplies power to an induction melter 18;
the vacuum pumping mechanism includes that evacuation equipment, vacuum line are responsible for 5 and two sets of vacuum pipe that give two integrative stove vacuums respectively, the vacuum pipe includes furnace body vacuum line 8 with vacuum stove shell 20 intercommunication, with the bell vacuum line 9 of outer stove cover 26 intercommunication and the vacuum line branch pipe 7 that all communicates with furnace body vacuum line 8 and bell vacuum line 9, the one end that vacuum line is responsible for 5 is through falling the one end intercommunication that furnace body vacuum line 8 and bell vacuum line 9 were kept away from to U-shaped connecting pipe 6 and vacuum line branch pipe 7, the one end that vacuum line is responsible for 5 loops through coarse filter 3 and fine filter 2 and is connected with vacuum pump package 1, vacuum pump package 1 is controlled by the master control machine, the master control machine is the computer.
It should be noted that, by arranging two integrated furnaces, one integrated furnace works and the other one is standby, the integrated furnace comprises a furnace body 10 which is hinged on a support 21, a furnace cover 11 which is matched with the furnace body 10 and a furnace cover lifting and unscrewing device 13 which operates the furnace cover 11, the furnace cover lifting and unscrewing device 13 is convenient to open and move the furnace cover 11, the furnace body 10 comprises a furnace lining 17, an induction melter 18 which is wrapped outside the furnace lining 17 and a vacuum furnace shell 20 which is arranged outside the induction melter 18, the smelting and the vacuumizing of the alloy are completed in the same furnace body, the alloy molten steel is prevented from being poured, the temperature is reduced, the vacuumizing duration is long, the degassing effect of the alloy molten steel is good, the thermal efficiency is high, the alloy yield is high, the energy is saved, the consumption is reduced, the implementation cost is low, and the differentiation, the precision and the argon stirring homogenization adjustment capacity are strong; the induction melter power supply 15 is arranged to supply power to the induction melter 18, so that alloy smelting is realized, after the alloy smelting is completed, the power supply is cut off, the argon blowing stirring solid inclusion is physically stirred and floats upwards, the vacuum pump group is controlled by the main control computer to vacuumize the alloy, impurities introduced by alloy molten steel are prevented from being poured by the furnace lining, the alloy is clean, the special steel quality performance is good, and the using effect is good; through setting up two sets of vacuum pipe respectively with two integrative stoves correspond, utilize one set of evacuation equipment to select to any integrative stove evacuation, wherein, the one end intercommunication that furnace body vacuum line 8 and bell vacuum line 9 were kept away from through falling U-shaped connecting pipe 6 and vacuum line branch pipe 7 to the one end of vacuum line person in charge 5, it is effectual to switch.
In this embodiment, the induction melter 18 and the vacuum furnace shell 20 are fixedly connected through a connecting rod 19.
In this embodiment, one side of the top of the vacuum furnace shell 20 is hinged to the bracket 21 through a hinge shaft 22.
In this embodiment, a furnace nozzle 24 is disposed on one side of the top of the furnace lining 17.
In this embodiment, the bottom argon blowing device 27 sequentially penetrates through the vacuum furnace shell 20 and the bottom wall of the furnace lining 17 to extend into the molten bath in the furnace lining 17.
In this embodiment, the induction melter power supply 15 supplies power to the induction melter 18 through a water cooled cable 16.
In this embodiment, the coarse filter 3 and the fine filter 2 are connected to the vacuum pump unit 1 through a filter connection tube 4.
The utility model discloses during the use, utilize induction melting ware 18 to act on the alloy metal raw materials in furnace lining 17, induction melting ware power 15 gives induction melting ware 18 power supply through water-cooled cable 16, induction melting ware 18 is carried to the electric energy, and then alloy in the melting smelting furnace body 10 and return material and additive, after melting finishes, open end and blow argon device 27, blow the argon stirring through end blowing argon stirrer 12, the adjustment finishes, cut off induction melting ware power 15, cover bell 11, main control machine control vacuum pump group 1 opens the vacuum pump step by step and begins the evacuation, take out required vacuum and keep the vacuum time, to qualified product, wherein, during the evacuation, end blowing argon device 27 of integrative stove lower part leads to argon gas stirring alloy liquid to the furnace body is inside, in order to do benefit to high-efficient vacuum degassing, the inclusion come-up, the temperature is even, the composition is even.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (7)
1. An alloy induction melting and vacuum integrated furnace is characterized in that: the device comprises a main control machine, two integrated furnaces, a power supply for supplying power to the two integrated furnaces and a vacuumizing mechanism for vacuumizing the two integrated furnaces, wherein each integrated furnace comprises a furnace body (10) hinged to a support (21), a furnace cover (11) matched with the furnace body (10) and a furnace cover lifting and unscrewing device (13) for operating the furnace cover (11), a bottom argon blowing device (27) is arranged on the outer side of the bottom of the furnace body (10), a bottom argon blowing stirrer (12) is arranged on the inner side of the bottom of the furnace body (10), the furnace body (10) comprises a furnace lining (17), an induction melter (18) wrapped on the outer side of the furnace lining (17) and a vacuum furnace shell (20) arranged on the outer side of the induction melter (18), the furnace cover (11) comprises an inner furnace cover (25) matched with the top of the furnace lining (17) and an outer furnace cover (26) arranged on the outer side of the inner furnace cover (25) and matched with the vacuum furnace shell (20), a plurality of through holes are formed in the inner furnace cover (25), and a flange and a sealing ring (23) are arranged at the position where the top of the vacuum furnace shell (20) is matched with the outer furnace cover (26);
the power supply comprises a transformer (14) and an induction melter power supply (15) which is connected with the output end of the transformer (14) and supplies power to the induction melter (18);
the vacuum pumping mechanism comprises a vacuum pumping device, a vacuum pipeline main pipe (5) and two sets of vacuum pipelines which respectively provide two integrated furnaces for vacuum pumping, wherein each vacuum pipeline comprises a furnace body vacuum pipeline (8) communicated with a vacuum furnace shell (20), a furnace cover vacuum pipeline (9) communicated with an outer furnace cover (26) and a vacuum pipeline branch pipe (7) communicated with the furnace body vacuum pipeline (8) and the furnace cover vacuum pipeline (9), one end of the vacuum pipeline main pipe (5) is communicated with one end of the vacuum pipeline branch pipe (7) far away from the furnace body vacuum pipeline (8) and the furnace cover vacuum pipeline (9) through an inverted U-shaped connecting pipe (6), one end of the vacuum pipeline main pipe (5) is connected with a vacuum pump set (1) through a coarse filter (3) and a fine filter (2), and the vacuum pump set (1) is controlled by a main control machine.
2. An alloy induction melting, vacuum integrated furnace as claimed in claim 1, wherein: the induction melter (18) and the vacuum furnace shell (20) are fixedly connected through a connecting rod (19).
3. An alloy induction melting and vacuum integrated furnace as defined in claim 1, wherein: one side of the top of the vacuum furnace shell (20) is hinged with the bracket (21) through a hinged shaft (22).
4. An alloy induction melting, vacuum integrated furnace as claimed in claim 1, wherein: and a furnace mouth (24) is arranged on one side of the top of the furnace lining (17).
5. An alloy induction melting, vacuum integrated furnace as claimed in claim 1, wherein: and the bottom argon blowing device (27) sequentially penetrates through the vacuum furnace shell (20) and the bottom wall of the furnace lining (17) and extends into a molten pool in the furnace lining (17).
6. An alloy induction melting, vacuum integrated furnace as claimed in claim 1, wherein: the induction melter power supply (15) supplies power to the induction melter (18) through a water cooled cable (16).
7. An alloy induction melting and vacuum integrated furnace as defined in claim 1, wherein: the coarse filter (3) and the fine filter (2) are connected with the vacuum pump set (1) through a filter connecting pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220172497.5U CN217210305U (en) | 2022-01-22 | 2022-01-22 | Alloy induction melting and vacuum integrated furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220172497.5U CN217210305U (en) | 2022-01-22 | 2022-01-22 | Alloy induction melting and vacuum integrated furnace |
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| Publication Number | Publication Date |
|---|---|
| CN217210305U true CN217210305U (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220172497.5U Active CN217210305U (en) | 2022-01-22 | 2022-01-22 | Alloy induction melting and vacuum integrated furnace |
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| CN (1) | CN217210305U (en) |
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- 2022-01-22 CN CN202220172497.5U patent/CN217210305U/en active Active
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