CN103231032A - Vacuum continuous casting device and method for alloy billets - Google Patents
Vacuum continuous casting device and method for alloy billets Download PDFInfo
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- CN103231032A CN103231032A CN2013102033700A CN201310203370A CN103231032A CN 103231032 A CN103231032 A CN 103231032A CN 2013102033700 A CN2013102033700 A CN 2013102033700A CN 201310203370 A CN201310203370 A CN 201310203370A CN 103231032 A CN103231032 A CN 103231032A
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Abstract
The invention discloses a vacuum continuous casting device and method for alloy billets. The device comprises a smelting chamber and a casting chamber, wherein the smelting chamber is internally provided with a smelting system; a liquid steel pouring system and a collecting system are arranged in the casting chamber sequentially; the smelting chamber is connected with a main vacuum system through a pipeline and a valve; the casting chamber is connected with an auxiliary vacuum system through a pipeline and a valve; the smelting chamber and the casting chamber are separated from each other by main and auxiliary vacuum isolating valves; the main vacuum system and the auxiliary vacuum system are respectively provided with a vacuum instrument and an inflating/deflating system which are used for displaying and adjusting vacuum degrees; and the smelting chamber is provided with a smelting material vibrating system. Continuous casting of the alloy billets are performed by a single-point vibrating crystallizer, so that the continuous casting requirements of special alloy are met, the processing procedures of generating alloy ingot risers, cutting of skins and forging to form square billets are avoided, and the cost can be reduced by over 30 percent.
Description
Technical field
The present invention relates to the foundry engieering of alloy blank, specifically vacuum continuous casting apparatus and the casting method thereof of alloy blank.
Background technology
The foundry engieering of alloy blank belongs to the professional domain that specific alloy rods such as heat-resisting alloy, corrosion resistant alloy, electrothermal alloy, ultra pure alloy, high temperature alloy, pipe, plate, line, silk material, section bar production foundry alloy and hot investment casting obtain with the foundry alloy melting.
Heat-resisting alloy, electrothermal alloy, ultrapure corrosion resistant alloy, memorial alloy, high temperature alloy blank production technologies such as (foundry alloys) are that the qualified alloy liquid of melting under vacuum state is poured in the previously baked good ingot mould at present, vacuum breaker is transported in the factory building after waiting to lower the temperature, and cuts rising head, takes off crust, delivers to forge and forge square billet with lathe then.
Use former technology to have rising head more than 25% to cut away and melt down melting again.
Use former technology because of the casting of ingot mould cylinder iron alloy preform, blank surface is coarse, need pull down the alloy of one deck crust loss 5%, and the crystallizer that adopts use now is plating one deck chromium smooth abrasion-proof in water-cooled side's copper pipe, and the specific alloy blank surface of drawing continuous casting is smooth need not to increase the operation that once strips off the skin again.
Use former arts demand that blank is heated and forge processing, need to increase processing cost more than 1000 yuan/ton.
Use former arts demand to increase easily-consumed products such as ingot mould, pouring cup, coating, also need equipment such as lathe, sawing machine, large power, electrically heating furnace, large-tonnage hydraulic hammer, fast forging hammer, large-scale material-feeding and fetching machine, big machinery people manipulator to drop into.
Summary of the invention
The object of the present invention is to provide vacuum continuous casting apparatus and the casting method thereof of alloy blank, overcome existing heat-resisting alloy, corrosion resistant alloy, electrothermal alloy, ultra pure alloy, specific alloy rods such as high temperature alloy, pipe, plate, line, the silk material, manufacturing procedure complexity in the section bar production technology, the operation material consumption is excessive, the rate of becoming a useful person is low, the deficiency that production cost is high, utilize the single-point vibrating crystallizer to carry out the continuous casting of alloy blank to satisfy specific alloy continuous casting requirement, avoided generation alloy pig rising head, the epidermis cutting, forge the procedure of square billet, power consumption and heat-energy losses that heating for multiple times forms have been reduced, avoided the high-decibel noise pollution of large-scale forging hammer generation and bigger equipment investment, can reduce cost more than 30%.
In order to reach above-mentioned purpose, the invention provides following technical scheme: the vacuum continuous casting apparatus of alloy blank, comprise working chamber, casting mold chamber, wherein in the working chamber smelting system is set, indoor molten steel casting system and the gathering system of setting gradually of casting mold; Described working chamber links to each other with valve by pipeline with main vacuum system, and the casting mold chamber links to each other with valve by pipeline with auxilliary vacuum system; Separate with major-minor vacuum separation valve between described working chamber and the casting mold chamber.
The auxilliary vacuum system of described main vacuum system all is furnished with vacuum instrumentation and air-charging and air-discharging system to show and to regulate vacuum.
Described working chamber is made up of vertical body of heater, bell, and body of heater, bell are double-deck water-cooled metal wall construction, and inwall is stainless steel, and bell relies on hydraulic cylinder to compress body of heater and sealed by O-ring seal; Described working chamber is furnished with melting material vibrating system.
Described smelting system mainly comprises the Medium frequency induction coil of installing in the working chamber, places the crucible that melted alloy is used in the Medium frequency induction coil.
Described molten steel casting system is arranged on rotation translation system rear, and described rotation translation system the place ahead is provided with Hoisting System, is provided with induction system between Hoisting System the place ahead and the working chamber.
Described molten steel casting system rear is provided with a cold crystallization system and the solid system of two condensations, is provided with guidance system between the solid system of a described cold crystallization system and two condensations, and the solid system of described two condensations rear is provided with dummy ingot straightening system.
Described gathering system comprises initial collection device and blank collecting box, is provided with gate between described initial collection device and the blank collecting box, and described initial collection device the place ahead also is provided with scale and cuts off system.
In order to reach above-mentioned another purpose, the invention provides following technical scheme: the method that the vacuum continuous casting apparatus of alloy blank casts continuously, the steps include: that the crucible that alloy material is housed passes through the induction coil melting by intermediate frequency induction heating power supply in the working chamber, alloy liquid after the fusing is poured in the steel ladle, steel ladle arrives the rotation translation system by induction system, by Hoisting System steel ladle is risen in the rotation translation system then, rotate to then in the continuous casting chamber, simultaneously the empty bag of molten steel is delivered to the alloy liquid that continues in the working chamber to hold after the fusing, forward the steel ladle in the continuous casting chamber to, opening guidance system behind the starting shock switch when inserting a cold crystallization system interface draws, dummy ingot straightening system aligning, after the scale system of cutting off shears alloy blank, be sent in the initial collection device, transfer in the blank collecting box by the blank of gate vacuum breaker after with scale again, wait for water-cooled or air-cooled; More than all processes all under vacuum state full-automation finish.
When virose metal is melted in described working chamber, by main vacuum system, poison gas is rejected to outdoor, carries out nuisanceless processing.
Compared to prior art, the present invention has following beneficial effect:
In vacuum metling, finish the vacuum continuous casting, effectively the control traditional vacuum is smelted the loss that produces in after-pouring and the transportation, improve output, effectively solve the waste that secondary remelting such as rising head causes, and the cost allowance that causes of the surface treatment that produces of conventional cast.The continuous casting apparatus of specific alloy utilizes vacuum pre-treatment, realizes alloy strand consecutive solidification, and cuts into unified size such as 1.2m--3m can effectively promote material use efficient, realizes that nearly eventually clean shape casting ingot provides the space.
Vibrating mechanism adopts mechanical system, provides exciting force and Oscillation Amplitude by eccentric stiffener, adjusts vibration frequency by variable-frequency motor, makes different mould materials all can pass through crystallizer order of crystallization, drawing, desirable foundry goods blank and the rolling blank of shearing acquisition.
Vacuum melting is made up of vertical body of heater, bell, reinforced thermometric, main vacuum system etc., the vacuum continuous casting comprises lifting, revolution, cast, a cold crystallization, rapping, straightening, compositions such as two cold crystallizations, scale are cut off, gathering-device and assisted vacuum system centre is connected with the plate separation valve door.Its outside is double-deck water-cooled metal wall construction, and inwall is 304 stainless steels, and outer wall is carbon steel.
From melting, transportation, cast, drawing, cooling, align, clip to finished product and collect and all under vacuum state, to finish, make intrametallic hydrogen, oxygen, nitrogen, carbon, sulphur, phosphorus content all the time in controlled range, guaranteed the metallicity requirement of specific alloy.
Having reduced equipment such as large-tonnage hydraulic hammer, fast forging hammer, large power, electrically heating furnace, large-scale material-feeding and fetching machine, big machinery people manipulator drops into, power consumption and heat-energy losses that heating for multiple times forms have been reduced, the environmental pollution that the high-decibel noise of having avoided large-scale forging hammer to produce produces.
Under vacuum state, change the large-scale technology reform of continuous casting billet molding mode into ingot mould alloy blank forging type, make the rate of becoming a useful person of metal stock improve 30%, the noble metal that reduced melting, machining, polishing, heat, forge etc. forms and rare metal loss have reduced cost.
Description of drawings
Fig. 1 is the vertical view of the vacuum continuous casting apparatus of alloy blank of the present invention;
Fig. 2 is the front view of the vacuum continuous casting apparatus of alloy blank of the present invention.
Among the figure: main vacuum system 1, smelting system 2, auxilliary vacuum system 3, major-minor vacuum separation valve 4, induction system 5, Hoisting System 6, rotation translation system 7, molten steel casting system 8, one cold crystallization systems 9, guidance system 10, the solid system 12 of dummy ingot straightening system 11, two condensations, scale is cut off system 13, initial collection device 14, gate 15, blank collecting box 16.
The specific embodiment
Relevant detailed description of the present invention and technology contents, conjunction with figs. is described as follows, however accompanying drawing only provides the usefulness of reference with explanation, and the present invention is limited.
Shown in Fig. 1-2, the vacuum continuous casting apparatus of alloy blank comprises working chamber, casting mold chamber, and smelting system 2 wherein is set in the working chamber, indoor molten steel casting system 8 and the gathering system of setting gradually of casting mold; Described working chamber links to each other with valve by pipeline with main vacuum system 1, and the casting mold chamber links to each other with valve by pipeline with auxilliary vacuum system 3; Separate with major-minor vacuum separation valve 4 between described working chamber and the casting mold chamber.The auxilliary vacuum system of described main vacuum system all is furnished with vacuum instrumentation and air-charging and air-discharging system to show and to regulate vacuum.
Described working chamber is made up of vertical body of heater, bell, and body of heater, bell are double-deck water-cooled metal wall construction, and inwall is stainless steel, and bell relies on hydraulic cylinder to compress body of heater and sealed by O-ring seal; Described working chamber is furnished with melting material vibrating system.Described smelting system mainly comprises the Medium frequency induction coil of installing in the working chamber, places the crucible that melted alloy is used in the Medium frequency induction coil.
Described molten steel casting system 8 is arranged on rotation translation system 7 rears, and described rotation translation system the place ahead is provided with Hoisting System 6, is provided with induction system 5 between Hoisting System the place ahead and the working chamber.Described molten steel casting system rear is provided with a cold crystallization system 9 and the solid system 12 of two condensations, is provided with guidance system 10 between the solid system of a described cold crystallization system and two condensations, and the solid system of described two condensations rear is provided with dummy ingot straightening system 11.
Described gathering system comprises initial collection device 14 and blank collecting box 16, is provided with gate 15 between described initial collection device and the blank collecting box, and described initial collection device the place ahead also is provided with scale and cuts off system 13.
The method that the vacuum continuous casting apparatus of alloy blank casts continuously, the steps include: that the crucible that alloy material is housed passes through the induction coil melting by intermediate frequency induction heating power supply in the working chamber, alloy liquid after the fusing is poured in the steel ladle, steel ladle arrives under the rotation translation system by induction system, by Hoisting System steel ladle is risen in the rotation translation system then, rotate to then in the continuous casting chamber, simultaneously the empty bag of molten steel is delivered to the alloy liquid that continues in the working chamber to hold after the fusing, forward the steel ladle in the continuous casting chamber to, opening guidance system behind the starting shock switch when inserting a cold crystallization system interface draws, dummy ingot straightening system aligning, after the scale system of cutting off shears alloy blank, be sent in the initial collection device, transfer in the blank collecting box by the blank of gate vacuum breaker after with scale again, wait for water-cooled or air-cooled; More than all processes all under vacuum state full-automation finish.
When virose metal is melted in described working chamber, by main vacuum system, poison gas is rejected to outdoor, carries out nuisanceless processing.
The above only is preferred embodiment of the present invention, and non-in order to limit claim of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to claim of the present invention.
Claims (9)
1. the vacuum continuous casting apparatus of alloy blank is characterized in that, comprises working chamber, casting mold chamber, wherein in the working chamber smelting system is set, indoor molten steel casting system and the gathering system of setting gradually of casting mold; Described working chamber links to each other with valve by pipeline with main vacuum system, and the casting mold chamber links to each other with valve by pipeline with auxilliary vacuum system; Separate with major-minor vacuum separation valve between described working chamber and the casting mold chamber.
2. the vacuum continuous casting apparatus of alloy blank according to claim 1 is characterized in that, the auxilliary vacuum system of described main vacuum system all is furnished with vacuum instrumentation and air-charging and air-discharging system to show and to regulate vacuum.
3. the vacuum continuous casting apparatus of alloy blank according to claim 1, it is characterized in that described working chamber is made up of vertical body of heater, bell, body of heater, bell are double-deck water-cooled metal wall construction, inwall is stainless steel, and bell relies on hydraulic cylinder to compress body of heater and sealed by O-ring seal; Described working chamber is furnished with melting material vibrating system.
4. the vacuum continuous casting apparatus of alloy blank according to claim 1 is characterized in that, described smelting system mainly comprises the Medium frequency induction coil of installing in the working chamber, places the crucible that melted alloy is used in the Medium frequency induction coil.
5. the vacuum continuous casting apparatus of alloy blank according to claim 1, it is characterized in that, described molten steel casting system is arranged on rotation translation system rear, and described rotation translation system the place ahead is provided with Hoisting System, is provided with induction system between Hoisting System the place ahead and the working chamber.
6. the vacuum continuous casting apparatus of alloy blank according to claim 5, it is characterized in that, described molten steel casting system rear is provided with a cold crystallization system and the solid system of two condensations, be provided with guidance system between the solid system of a described cold crystallization system and two condensations, the solid system of described two condensations rear is provided with dummy ingot straightening system.
7. the vacuum continuous casting apparatus of alloy blank according to claim 1, it is characterized in that, described gathering system comprises initial collection device and blank collecting box, be provided with gate between described initial collection device and the blank collecting box, described initial collection device the place ahead also is provided with scale and cuts off system.
8. the method for utilizing the vacuum continuous casting apparatus of any described alloy blank of claim 1 to 7 to cast continuously, the steps include: that the crucible that alloy material is housed passes through the induction coil melting by intermediate frequency induction heating power supply in the working chamber, alloy liquid after the fusing is poured in the steel ladle, steel ladle arrives under the rotation translation system by induction system, by Hoisting System steel ladle is risen in the rotation translation system then, rotate to then in the continuous casting chamber, simultaneously the empty bag of molten steel is delivered to the alloy liquid that continues in the working chamber to hold after the fusing, forward the steel ladle in the continuous casting chamber to, opening guidance system behind the starting shock switch when inserting a cold crystallization system interface draws, dummy ingot straightening system aligning, after the scale system of cutting off shears alloy blank, be sent in the initial collection device, transfer in the blank collecting box by the blank of gate vacuum breaker after with scale again, wait for water-cooled or air-cooled; More than all processes all under vacuum state full-automation finish.
9. the vacuum continuous casting apparatus of alloy blank according to claim 1 is characterized in that, when virose metal is melted in described working chamber, by main vacuum system, poison gas is rejected to outdoor, carries out nuisanceless processing.
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| CN2013102033700A CN103231032A (en) | 2013-05-28 | 2013-05-28 | Vacuum continuous casting device and method for alloy billets |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308107A (en) * | 2014-10-10 | 2015-01-28 | 河南理工大学 | Vertical guide type vacuum melting inert gas shielding continuous feeding continuous casting machine |
| CN106191482A (en) * | 2016-08-12 | 2016-12-07 | 张强 | The Intermatallic Ti-Al compound of high-cleanness, high and the induction fusion casting method of high-purity titanium alloy |
| CN109822088A (en) * | 2019-04-11 | 2019-05-31 | 沈阳真空技术研究所有限公司 | Large high-temperature high-strength material vacuum precision Casting Equipment |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3800848A (en) * | 1968-10-18 | 1974-04-02 | Combustible Nucleaire | Method for continuous vacuum casting of metals or other materials |
| SU628991A1 (en) * | 1970-12-25 | 1978-10-25 | Институт черной металлургии | Continuous metal casting plant |
| GB1489892A (en) * | 1973-12-26 | 1977-10-26 | United Aircraft Corp | Melting and casting apparatus |
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| CN101024243A (en) * | 2006-02-24 | 2007-08-29 | 山东理工大学 | Heat type continuous casting method for making large-cube non-crystal alloy and apparatus thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308107A (en) * | 2014-10-10 | 2015-01-28 | 河南理工大学 | Vertical guide type vacuum melting inert gas shielding continuous feeding continuous casting machine |
| CN106191482A (en) * | 2016-08-12 | 2016-12-07 | 张强 | The Intermatallic Ti-Al compound of high-cleanness, high and the induction fusion casting method of high-purity titanium alloy |
| CN109822088A (en) * | 2019-04-11 | 2019-05-31 | 沈阳真空技术研究所有限公司 | Large high-temperature high-strength material vacuum precision Casting Equipment |
| CN109822088B (en) * | 2019-04-11 | 2024-05-07 | 沈阳真空技术研究所有限公司 | Large-scale high-temperature high-strength material vacuum precision casting equipment |
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Application publication date: 20130807 |