WO2020181659A1 - 双模壳室的四室定向/单晶真空感应炉设备 - Google Patents

双模壳室的四室定向/单晶真空感应炉设备 Download PDF

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WO2020181659A1
WO2020181659A1 PCT/CN2019/087696 CN2019087696W WO2020181659A1 WO 2020181659 A1 WO2020181659 A1 WO 2020181659A1 CN 2019087696 W CN2019087696 W CN 2019087696W WO 2020181659 A1 WO2020181659 A1 WO 2020181659A1
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chamber
mold shell
casting
melting
mold
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PCT/CN2019/087696
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English (en)
French (fr)
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曹荣
韦恩润
冯宏伟
秦虎
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永大科技集团有限公司
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Publication of WO2020181659A1 publication Critical patent/WO2020181659A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D39/00—Equipment for supplying molten metal in rations
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/52—Alloys

Definitions

  • the invention belongs to the field of vacuum precision casting, and is mainly applied to the production of single crystal/directional blades of aerospace engines and gas turbines; specifically, it is a four-chamber directional/single crystal vacuum induction furnace equipment with a double mold shell chamber.
  • the single crystal/directional superalloy precision casting blades of aero-engines and gas turbines are generally vacuum casted in a directional/single crystal vacuum precision casting furnace.
  • the three-chamber vacuum induction furnace with a single-mold shell is commonly used domestically and internationally.
  • the chamber is below and the casting chamber is above.
  • the casting chamber contains a set of mold shell induction heater and induction melting crucible.
  • the mold shell rises into the mold shell induction heater, and the mold shell induction heater heats the mold shell according to the set heating curve to reach the final set temperature (the temperature exceeds Alloy melting point), heat preservation.
  • the single crystal master alloy is added to the induction melting crucible for secondary remelting.
  • the alloy liquid in the crucible is poured into the mold shell, and the mold shell pulls the single crystal/oriented superalloy blade at the set drawing rate , The drawing rate is 2 ⁇ 5mm/min under water-cooled medium, until the drawing is completed.
  • the mold shell is directional solidified and cooled in the vacuum state of the mold shell chamber. After the completion of the mold shell chamber, the vacuum is broken and a new mold shell is loaded.
  • the melting and casting chamber also starts a work cycle by adding new alloy through the charging chamber.
  • the traditional three-chamber directional/single crystal vacuum precision casting furnace has uneven working time in each process, especially the mold shell heating, drawing cooling and vacuum cooling occupy 4 to 5 hours. At this time, the casting chamber and the feeding chamber are empty and do not work. , The equipment cost is high and the work efficiency is low.
  • the present invention aims to overcome the shortcomings of the prior art and provide a method that can realize that when one set of mold shells is drawn and vacuum cooled, another set of mold shells can simultaneously perform mold shell heating, smelting, casting, and mold shells. Drawing work, the efficiency is doubled, and the equipment cost is only increased by 15%.
  • the technical solutions adopted to achieve the purpose of the present invention are:
  • the four-chamber directional/single crystal vacuum induction furnace equipment with double-mold housing is characterized in that:
  • furnace body melting and casting device, vacuum system, melting power supply, mold shell heating power supply, cooling system;
  • the furnace body is a connected vertical four-chamber structure composed of a charging chamber, a melting and casting chamber, a first shell chamber and a second shell chamber;
  • the melting and casting device is composed of an induction melting crucible and a translation and turnover mechanism
  • the induction melting crucible is set on the door wall of the melting chamber;
  • the vacuum system is seamlessly connected with the side walls of the melting and casting chamber, the first shell chamber and the second shell chamber;
  • the melting power supply is connected to the induction melting crucible;
  • the mold shell heating power supply is arranged on one side of the furnace body, and it is respectively connected with the first mold shell induction heater and the second mold shell induction heater;
  • the cooling system is connected with the melting and casting chamber of the furnace body, the first mold shell chamber, the second mold shell chamber, the first crystallizing plate and the second crystallizing plate; the cooling method of the crystallizing plate is water cooling or low melting point metal cooling.
  • the first mold shell chamber and the second mold shell chamber are two independent chambers; the top of the first mold shell chamber is connected with the casting chamber through a first flap valve; the second mold shell chamber The top is connected with the casting chamber through a second flap valve;
  • the top of the melting and casting chamber is connected with the feeding chamber through a gate valve.
  • the first mold shell chamber is provided with a first mold shell lifting and pulling device and a first crystallizing plate;
  • the second mold shell chamber is provided with a second mold shell lifting and pulling device and a second crystallizing plate; Place the first mold shell on the plate; place the second mold shell on the second crystallizing plate;
  • a translation and turnover mechanism is installed horizontally on the door of the melting and casting chamber, and the translation and turnover mechanism is connected and matched with the induction melting crucible.
  • the vacuum system includes high vacuum system and low vacuum system
  • the high vacuum system is seamlessly connected with the side wall of the casting chamber;
  • the low vacuum system is seamlessly connected with the melting and casting chamber, the first mold shell chamber, the second mold shell chamber and the feeding chamber through pipelines;
  • the melting power source is connected to the induction melting crucible through a coaxial water-cooled cable;
  • the cooling system is respectively connected with the melting and casting chamber, the first mold shell chamber, and the second mold shell chamber through pipelines.
  • the melting and casting chamber in the melting and casting chamber has a double furnace wall water-cooled structure, and a first mold shell induction heater and a second mold shell induction heater are arranged side by side in the melting and casting chamber; the first mold shell induction heater and The second mold shell induction heater is a dual-zone graphite induction heater.
  • the first mold shell induction heater, the second mold shell induction heater and the induction melting crucible are respectively equipped with a smelting power supply and two mold heating power supplies.
  • the smelting power supply is a single intermediate frequency power supply.
  • the shell heating power supplies are all intermediate frequency dual power supplies; during the working process, the five intermediate frequency power supplies are carried out at the same time in the casting room, and the frequency conversion and frequency hopping control methods are adopted to avoid the mutual interference of the 5 sets of power supplies.
  • a temperature measuring device is connected parallel to the side of the feeding chamber.
  • the feeding chamber and the temperature measuring device form a turret.
  • the bottom of the turret is provided with a gate valve, and the brick tower is connected to the upper part of the casting chamber through the gate valve structure.
  • the induction melting crucible is connected with a translational turning mechanism, the translational turning mechanism includes a tilting servo drive motor reducer, and the tilting servo drive motor reducer realizes the induction melting crucible -110° ⁇ + 110° Flip to realize the tilting and casting of the two mold shells in the left and right directions; the translation drive motor reducer realizes the induction melting crucible through the rack and pinion, linear guide rail, and rotary encoder, while the crucible can be tilted and cast in two directions while being horizontal Directional movement can realize automatic centering casting; by precisely controlling the casting speed and tilting angle, it can realize the secondary quantitative casting of the mold shell in the left and right directions with the alloy liquid melted once.
  • the translational turning mechanism includes a tilting servo drive motor reducer, and the tilting servo drive motor reducer realizes the induction melting crucible -110° ⁇ + 110° Flip to realize the tilting and casting of the two mold shells in the left and right directions; the translation drive motor reduce
  • the first mold shell lifting and drawing device and the second mold shell lifting and drawing device use ball screws and precision linear guides to complete the lifting, and are driven by an AC servo motor.
  • the first flap valve and the second flap valve adopt vacuum water-cooled flap valves, and the driving form is pneumatic.
  • the induction melting crucible of the present invention can realize the tilting and casting of the two mold shells in the left and right directions.
  • the induction melting crucible can move horizontally while tilting and casting in two directions, which can realize automatic centering casting.
  • the induction melting crucible of the invention can realize the secondary quantitative casting of the alloy liquid of the primary smelting to the mold shells in the left and right directions respectively.
  • Figure 1 is a front view of the overall structure of the present invention.
  • Figure 2 is a left side view of the overall structure of the present invention.
  • Figure 3 is a top view of the overall structure of the present invention.
  • Figure 4 is a front view of the translation and tilting mechanism.
  • Translation and tilting mechanism; 24 Coaxial water-cooled cable; 25, water-cooled cable; 26, cooling system; 27, bottom plate; 28, linear guide; 29, rack and pinion; 30, rotary encoder; 31, translation drive motor reducer; 32, translation plate; 33. Lubrication device; 34. Tilting servo drive motor reducer; 35. Water-cooled cable connection mechanism; 36. Gear ring.
  • the four-chamber directional/single crystal vacuum induction furnace equipment with double-mold housing is characterized in that:
  • furnace body Including furnace body, melting and casting device, vacuum system, melting power supply 22, mold shell heating power supply 21, cooling system 26;
  • the furnace body is a connected vertical four-chamber oriented structure composed of a charging chamber 4, a melting and casting chamber 1, a first shell chamber 2 and a second shell chamber 3; the first shell chamber 2, the second mold
  • the shell chamber 3 is a double-wall water-cooled structure.
  • the melting and casting device is composed of an induction melting crucible 8 and a translation and turnover mechanism 23;
  • the induction melting crucible 8 is set on the door wall of the melting chamber 1;
  • the vacuum system is seamlessly connected with the side walls of the melting and casting chamber 1, the first mold housing 2, and the second mold housing 3;
  • the melting power source 22 is connected to the induction melting crucible 8;
  • the mold shell heating power source 21 is arranged on one side of the furnace body, and the mold shell heating power source 21 is connected to the first mold shell induction heater 9 and the second mold shell induction heater 10 through a water-cooled cable 25.
  • the cooling system 26 is connected to the melting and casting chamber 1, the first mold shell chamber 2, the second mold shell chamber 3, the first crystallizing tray 16, and the second crystallizing tray 17.
  • first mold shell chamber 2 and the second mold shell chamber 3 are two independent chambers; the top of the first mold shell chamber 2 is connected with the casting chamber 1 through the first flap valve 6; The top of the second mold shell chamber 2 communicates with the melting and casting chamber 1 through a second flap valve 7;
  • the top of the casting chamber 1 is connected to the feeding chamber 4 via a gate valve 11.
  • an induction melting crucible 8 is provided in the melting and casting chamber 1;
  • the first mold shell chamber 2 is provided with a first mold shell lifting and drawing device 12 and a first crystallizing plate 16;
  • the second mold shell chamber 3 is provided with a second mold shell lifting and drawing device 13 and a second Crystallization tray 17; Place the first mold shell 14 on the first crystallization tray 16; Place the second mold shell 15 on the second crystallization tray 17;
  • a translation and turnover mechanism 23 is installed horizontally on the door of the melting and casting chamber 1, and the translation and turnover mechanism 23 is connected and matched with the induction melting crucible 8.
  • the vacuum system includes a high vacuum system 18 and a low vacuum system 20;
  • the high vacuum system 18 is seamlessly connected with the side wall of the casting chamber 1;
  • the low vacuum system 20 is respectively seamlessly connected with the melting and casting chamber 1, the first mold shell chamber 2, the second mold shell chamber 3 and the feeding chamber 4 through pipelines;
  • the smelting power supply 22 is connected to the induction smelting crucible 8 through a coaxial water-cooled cable 24;
  • the cooling system 26 is respectively connected to the melting and casting chamber 1, the first mold shell chamber 2, the second mold shell chamber 3, the first crystallizing tray 16, and the second crystallizing tray 17 through pipelines.
  • a first mold shell induction heater 9 and a second mold shell induction heater 10 are arranged side by side in the casting chamber 1.
  • the first mold shell induction heater 9 and the second mold shell induction heater 10 are both double-zone graphite induction heaters.
  • the first mold shell induction heater 9, the second mold shell induction heater 10 and the induction melting crucible 8 are respectively equipped with a smelting power supply 22 and two mold heating power supplies 21.
  • the smelting power supply 22 is a single Intermediate frequency power supply
  • each mold shell heating power supply 21 is an intermediate frequency dual power supply; five intermediate frequency power supplies are carried out simultaneously in the casting chamber 1 during the working process, and the frequency conversion and frequency hopping control methods are adopted to avoid mutual interference of 5 sets of power supplies.
  • the side of the feeding chamber 4 is connected with a temperature measuring device 5 in parallel.
  • the feeding chamber 4 and the temperature measuring device 5 form a turret.
  • the bottom of the turret is provided with a gate valve 11, and the brick tower is connected to the brick tower through the gate valve 11 structure.
  • the induction melting crucible 8 is connected to a translational turnover mechanism 23.
  • the translational turnover mechanism 23 includes a tilt servo drive motor reducer 34, which is implemented by a gear ring 36
  • the induction melting crucible is turned -110° ⁇ +110° to realize the tilting and casting of the two mold shells in the left and right directions; the translation drive motor reducer 31 realizes induction melting through the rack and pinion 29, the linear guide 28, and the rotary encoder 30
  • the crucible 8 can be moved horizontally while tilting and casting in two directions to realize automatic centering casting; by accurately controlling the casting speed and tilting angle, the alloy liquid of the primary smelting can be quantified in the left and right directions. casting.
  • the first mold shell lifting and drawing device 12 and the second mold shell lifting and drawing device 13 use ball screws and precision linear guides to complete the lifting, and are driven by an AC servo motor.
  • Ball screw and precision linear guide rail realize extremely low-speed, smooth and vibration-free drawing and high-speed lifting.
  • the drawing speed is 0.2-20mm/min and the rapid retraction speed is 4500mm/min.
  • the first flap valve 6 and the second flap valve 7 adopt vacuum water-cooled flap valves, and the driving form is pneumatic.
  • the first mold shell induction heater 9, the second mold shell induction heater 10, the first mold shell lifting and drawing device 12, and the second mold shell lifting and drawing device 13 can realize simultaneous drawing of two mold shells. Crystal/directional high temperature blades. Increase production efficiency by 1 times.
  • the translation and tilting mechanism includes a bottom plate 27, a linear guide 28, a rack and pinion 29, a rotary encoder 30, a translation drive motor reducer 31, a translation plate 32, a lubricating device 33, a tilt servo drive motor reducer 34, and water cooling; Cable connection mechanism 35, gear ring 36.
  • the bottom plate 27 is provided with a linear guide 28 which is connected to the translation plate 32.
  • the translation plate 32 is provided with a translation drive motor reducer 31, a tilt servo drive motor reducer 34, a gear plate 36, and a rack in the gear rack 29 Connected to the bottom plate 27, the gears in the rack and pinion 29, the rotary encoder 30 are connected to the translation drive motor reducer 31, the water-cooled cable connection mechanism 35 is connected to the gear plate in the gear ring 36, and the gear in the gear ring 36 is connected to the tilt The servo drive motor reducer 34 is connected.

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  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
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  • Metallurgy (AREA)
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Abstract

一种双模壳室的四室定向/单晶真空感应炉设备，包括炉体、熔铸装置、真空系统、熔炼电源（22）、模壳加热电源（21）、冷却系统（26）；炉体是由加料室（4）、熔铸室（1）、第一模壳室（2）和第二模壳室（3）所构成的连通的立式四室结构；熔铸装置设置于熔铸室的门壁上；真空系统与熔铸室、第一模壳室、第二模壳室侧壁无缝连接；熔炼电源与熔铸装置连接；该设备可实现左右两个方向模壳的浇铸，同时能够水平方向移动并准确自动对中；一套熔铸装置用一次熔炼的合金液分别进行左右两个方向模壳的二次定量浇铸；两套模壳感应加热器、两套结晶盘和两套模壳升降抽拉机构可实现两个模壳的同时抽拉单晶/定向高温叶片，结构先进，可比原设备提高一倍的生产效率。

Description

双模壳室的四室定向/单晶真空感应炉设备 技术领域
本发明属真空精密铸造领域，主要应用于航空航天发动机和燃气轮机单晶/定向叶片生产；具体是双模壳室的四室定向/单晶真空感应炉设备。
背景技术
航空发动机和燃气轮机的单晶/定向高温合金精密浇铸叶片一般是采用定向/单晶真空精密铸造炉进行真空浇铸，目前国内、国际通行的是采用具有单模壳室的三室真空感应炉，模壳室在下方，熔铸室在上方。熔铸室内含1套模壳感应加热器和感应熔炼坩埚。当进行单晶/定向高温合金叶片精密浇铸时，模壳升至模壳感应加热器内，模壳感应加热器按照设定的升温曲线对模壳进行加热，达到最终设定温度(其温度超过合金熔点)，保温。将单晶母合金加至感应熔炼坩埚进行二次重熔，完成后将坩埚内的合金液倾翻浇入模壳中，模壳按设定的抽拉速率抽拉单晶/定向高温合金叶片，在水冷介质下抽拉速率为2～5mm/min，直至完成抽拉。模壳在模壳室内真空状态下定向凝固冷却，完成后模壳室破真空并载入新的模壳。熔铸室也通过加料室加入新的合金开始一个工作周期。
传统的三室定向/单晶真空精密铸造炉每个工序的工作时间不均匀，特别是模壳加热、抽拉冷却和真空冷却占据了4～5小时，此时熔铸室和加料室空置，不工作，设备造价高，工作效率低。
发明内容
本发明旨在克服现有技术不足之处而提供一种可实现一组模壳在进行模壳抽拉和真空冷却时，另一组模壳可以同时进行模壳加热、熔炼、浇铸、模壳抽拉工作，效率提高一倍，设备成本只增加15％的双模壳室的四室定向/单晶真空感应炉设备。为实现本发明的目的所采用的技术方案是：
双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
包括炉体、熔铸装置、真空系统、熔炼电源、模壳加热电源、冷却系统；
所述炉体由加料室、熔铸室、第一模壳室和第二模壳室所构成的连通的立式四室结构；
所述熔铸装置由感应熔炼坩埚和平移翻转机构构成；
感应熔炼坩埚设置于熔铸室的门壁上；
真空系统与熔铸室、第一模壳室、第二模壳室的侧壁无缝连接；
熔炼电源与感应熔炼坩埚连接；
模壳加热电源设置在炉体一侧，且其与第一模壳感应加热器、第二模壳感应加热器分别连接；
冷却系统与炉体的熔铸室、第一模壳室、第二模壳室、第一结晶盘、第二结晶盘相连；结晶盘冷却方式为水冷或低熔点金属冷却。
对上述方案的进一步改进，第一模壳室与第二模壳室为相互独立的两个腔室；第一模壳室顶部通过设置第一翻板阀与熔铸室连通；第二模壳室顶部通过设置第二翻板阀与熔铸室连通；
所述熔铸室顶部经门阀与加料室相接。
对上述方案的进一步改进，熔铸室内设有感应熔炼坩埚；
所述第一模壳室内设有第一模壳升降抽拉装置和第一结晶盘；所述第二模壳室内设有第二模壳升降抽拉装置和第二结晶盘；在第一结晶盘上放置第一模壳； 在第二结晶盘上放置第二模壳；
熔铸室的门上水平安装设置一平移翻转机构，所述平移翻转机构与所述感应熔炼坩埚相连配合。
对上述方案的进一步改进，真空系统包括高真空系统和低真空系统；
高真空系统与熔铸室侧壁无缝连接；
低真空系统通过管道分别与熔铸室、第一模壳室、第二模壳室和加料室无缝连接；
所述熔炼电源通过同轴水冷电缆与感应熔炼坩埚相连；
所述冷却系统通过管路分别与熔铸室、第一模壳室、第二模壳室相连。
对上述方案的进一步改进，在所述熔铸室熔铸室为双炉壁水冷结构，熔铸室内并排设置有第一模壳感应加热器和第二模壳感应加热器；第一模壳感应加热器和第二模壳感应加热器为双区石墨感应加热器。
对上述方案的进一步改进，第一模壳感应加热器、第二模壳感应加热器和感应熔炼坩埚分别配置了一个熔炼电源和两个模壳加热电源，熔炼电源为单中频电源，每个模壳加热电源均为中频双电源；工作过程中五个中频电源在熔铸室内同时进行，采用变频和跳频控制方式避免5套电源的相互干扰。
对上述方案的进一步改进，加料室侧边平行的连接一测温装置，加料室和测温装置组成一个转塔，转塔底部设置门阀，通过门阀结构将砖塔连接在熔铸室的上方。
对上述方案的进一步改进，感应熔炼坩埚与平移翻转机构相连，所述平移翻转机构包括倾翻伺服驱动电机减速器，倾翻伺服驱动电机减速器通过齿轮齿盘实现感应熔炼坩埚-110°～+110°翻转，实现左右2个方向对2个模壳的倾翻浇铸；平移驱动电机减速机通过齿轮齿条、直线导轨、旋转编码器实现感应熔炼坩埚在两个方向倾翻浇铸的同时能够水平方向移动，可实现自动对中浇铸；通过精确控制浇铸速度和倾翻角度，实现一次熔炼的合金液分别对左右2个方向模壳的二次定量浇铸。
对上述方案的进一步改进，第一模壳升降抽拉装置和第二模壳升降抽拉装置采用滚珠丝杠和精密直线导轨配合完成升降，并由交流伺服电机驱动。
对上述方案的进一步改进，第一翻板阀、第二翻板阀采用真空水冷翻板阀，驱动形式为气动。
本发明具有以下优点：
由于采用2套模壳感应加热器和2套模壳升降抽拉机构，可实现2个模壳的同时抽拉单晶/定向高温叶片。提高1倍的生产效率。
本发明感应熔炼坩埚可实现左右2个方向对2个模壳的倾翻浇铸。感应熔炼坩埚在两个方向倾翻浇铸的同时能够水平方向移动，可实现自动对中浇铸。
本发明感应熔炼坩埚可实现一次熔炼的合金液分别对左右2个方向模壳的二次定量浇铸。
附图说明
图1是本发明整体结构主视图。
图2是本发明整体结构左视图。
图3是本发明整体结构俯视图。
图4是平移倾翻机构主视图。
其中：1、熔铸室；2、模壳室1；3、模壳室2；4、加料室；5、测温装置；6、翻板阀1；7、翻板阀2；8、感应熔炼坩埚；9、模壳感应加热器1；10、模 壳感应加热器2；11、门阀；12、模壳升降抽拉装置1；13、模壳升降抽拉装置2；14、模壳1；15、模壳2；16、结晶盘1；17、结晶盘2；18、高真空系统；20、低真空系统；21、模壳加热电源；22、熔炼电源；23、平移倾翻机构；24、同轴水冷电缆；25、水冷电缆；26、冷却系统；27、底板；28、直线导轨；29、齿轮齿条；30、旋转编码器；31、平移驱动电机减速器；32、平移板；33、润滑装置；34、倾翻伺服驱动电机减速器；35、水冷电缆连接机构；36、齿轮齿盘。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1-4，为实现上述目的，本发明提供如下技术方案：
双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
包括炉体、熔铸装置、真空系统、熔炼电源22、模壳加热电源21、冷却系统26；
所述炉体由加料室4、熔铸室1、第一模壳室2和第二模壳室3所构成的连通的立式四室定向结构；所述第一模壳室2、第二模壳室3均为双炉壁水冷结构。各模壳室各设置1个模壳室门；第一模壳室2、第二模壳室3内壁为不锈钢材料，内壁表面抛光处理，表面粗糙度Ra＝1μm。
所述熔铸装置由感应熔炼坩埚8和平移翻转机构23构成；
感应熔炼坩埚8设置于熔铸室1的门壁上；
真空系统与熔铸室1、第一模壳室2、第二模壳室3侧壁无缝连接；
熔炼电源22与感应熔炼坩埚8连接；
模壳加热电源21设置在炉体一侧，模壳加热电源21通过水冷电缆25与第一模壳感应加热器9和第二模壳感应加热器10相连。
冷却系统26与熔铸室1、第一模壳室2、第二模壳室3、第一结晶盘16、第二结晶盘17相连。
对上述方案的进一步改进，第一模壳室2与第二模壳室3为相互独立的两个腔室；第一模壳室2顶部通过设置第一翻板阀6与熔铸室1连通；第二模壳室2顶部通过设置第二翻板阀7与熔铸室1连通；
所述熔铸室1顶部经门阀11与加料室4相接。
对上述方案的进一步改进，熔铸室1内设有感应熔炼坩埚8；
所述第一模壳室2内设有第一模壳升降抽拉装置12和第一结晶盘16；所述第二模壳室3内设有第二模壳升降抽拉装置13和第二结晶盘17；在第一结晶盘16上放置第一模壳14；在第二结晶盘17上放置第二模壳15；
熔铸室1的门上水平安装设置一平移翻转机构23，所述平移翻转机构23与所述感应熔炼坩埚8相连配合。
对上述方案的进一步改进，真空系统包括高真空系统18和低真空系统20；
高真空系统18与熔铸室1侧壁无缝连接；
低真空系统20通过管道分别与熔铸室1、第一模壳室2、第二模壳室3和加料室4无缝连接；
所述熔炼电源22通过同轴水冷电缆24与感应熔炼坩埚感应熔炼坩埚8相连；
所述冷却系统26通过管路分别与熔铸室1、第一模壳室2、第二模壳室3、第一结晶盘16、第二结晶盘17相连。
对上述方案的进一步改进，在所述熔铸室1为双炉壁水冷结构，设置一个熔铸室门；熔铸室1内壁为不锈钢材料，内壁表面抛光处理，表面粗糙度Ra＝1μm。
熔铸室1内并排设置有第一模壳感应加热器9和第二模壳感应加热器10。第一模壳感应加热器9和第二模壳感应加热器10均为双区石墨感应加热器。
对上述方案的进一步改进，第一模壳感应加热器9、第二模壳感应加热器10和感应熔炼坩埚8分别配置了一个熔炼电源22和两个模壳加热电源21，熔炼电源22为单中频电源，每个模壳加热电源21均为中频双电源；工作过程中五个中频电源在熔铸室1内同时进行，采用变频和跳频控制方式避免5套电源的相互干扰。
对上述方案的进一步改进，加料室4侧边平行的连接一测温装置5，加料室4和测温装置5组成一个转塔，转塔底部设置门阀11，通过门阀11结构将砖塔连接在熔铸室1的上方。
对上述方案的进一步改进，所述感应熔炼坩埚8与平移翻转机构23相连，所述平移翻转机构23包括倾翻伺服驱动电机减速器34，倾翻伺服驱动电机减速器34通过齿轮齿盘36实现感应熔炼坩埚-110°～+110°翻转，实现左右2个方向对2个模壳的倾翻浇铸；平移驱动电机减速机31通过齿轮齿条29、直线导轨28、旋转编码器30实现感应熔炼坩埚8在两个方向倾翻浇铸的同时能够水平方向移动，实现自动对中浇铸；通过精确控制浇铸速度和倾翻角度，实现一次熔炼的合金液分别对左右2个方向模壳的二次定量浇铸。
对上述方案的进一步改进，第一模壳升降抽拉装置12和第二模壳升降抽拉装置13采用滚珠丝杠和精密直线导轨配合完成升降，并由交流伺服电机驱动。滚珠丝杠和精密直线导轨实现极低速平稳无震动抽拉和高速升降。实现抽拉速度0.2～20mm/min和快速回退速度4500mm/min。
对上述方案的进一步改进，第一翻板阀6、第二翻板阀7采用真空水冷翻板阀，驱动形式为气动。
所述第一模壳感应加热器9、第二模壳感应加热器10和第一模壳升降抽拉装置12、第二模壳升降抽拉装置13可实现2个模壳的同时抽拉单晶/定向高温叶片。提高1倍的生产效率。
所述平移倾翻机构包括底板27、直线导轨28、齿轮齿条29、旋转编码器30、平移驱动电机减速器31、平移板32、润滑装置33、倾翻伺服驱动电机减速器34、；水冷电缆连接机构35、齿轮齿盘36。
所述底板27上设置有直线导轨28与平移板32相连，平移板32上设置有平移驱动电机减速器31、倾翻伺服驱动电机减速器34、齿轮齿盘36，齿轮齿条29中齿条与底板27相连，齿轮齿条29中齿轮、旋转编码器30与平移驱动电机减速器31相连，水冷电缆连接机构35与齿轮齿盘36中的齿盘相连，齿轮齿盘36中齿轮与倾翻伺服驱动电机减速器34相连。
尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
    包括炉体、熔铸装置、真空系统、熔炼电源(22)、模壳加热电源(21)、冷却系统(26)；
    所述炉体由加料室(4)、熔铸室(1)、第一模壳室(2)和第二模壳室(3)所构成的连通的立式四室结构；
    所述熔铸装置由感应熔炼坩埚(8)和平移翻转机构(23)构成；
    感应熔炼坩埚(8)设置于熔铸室(1)的门壁上；
    真空系统与熔铸室(1)、第一模壳室(2)、第二模壳室(3)的侧壁无缝连接；
    熔炼电源(22)与感应熔炼坩埚(8)连接；
    模壳加热电源(21)设置在炉体一侧，且其与第一模壳感应加热器(9)、第二模壳感应加热器(10)分别连接；
    冷却系统(26)与炉体的熔铸室(1)、第一模壳室(2)、第二模壳室(3)、第一结晶盘(16)、第二结晶盘(17)相连；结晶盘冷却方式为水冷或低熔点金属冷却。
  2. 如权利要求1所述的双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
    第一模壳室(2)与第二模壳室(3)为相互独立的两个腔室；第一模壳室(2)顶部通过设置第一翻板阀(6)与熔铸室(1)连通；第二模壳室(2)顶部通过设置第二翻板阀(7)与熔铸室(1)连通；
    所述熔铸室(1)顶部经门阀(11)与加料室(4)相接。
  3. 如权利要求2所述的双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
    所述熔铸室(1)内设有感应熔炼坩埚(8)；
    所述第一模壳室(2)内设有第一模壳升降抽拉装置(12)和第一结晶盘(16)；所述第二模壳室(3)内设有第二模壳升降抽拉装置(13)和第二结晶盘(17)；在第一结晶盘(16)上放置第一模壳(14)；在第二结晶盘(17)上放置第二模壳(15)；
    熔铸室(1)的门上水平安装设置一平移翻转机构(23)，所述平移翻转机构(23)与所述感应熔炼坩埚(8)相连配合。
  4. 如权利要求1所述的双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
    所述真空系统包括高真空系统(18)和低真空系统(20)；
    高真空系统(18)与熔铸室(1)侧壁无缝连接；
    低真空系统(20)通过管道分别与熔铸室(1)、第一模壳室(2)、第二模壳室(3)和加料室(4)无缝连接；
    所述熔炼电源(22)通过同轴水冷电缆(24)与感应熔炼坩埚(8)相连；
    所述冷却系统(26)通过管路分别与熔铸室(1)、第一模壳室(2)、第二模壳室(3)相连。
  5. 根据权利要求1所述的双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
    在所述熔铸室熔铸室(1)为双炉壁水冷结构，熔铸室(1)内并排设置有第一模壳感应加热器(9)和第二模壳感应加热器(10)；第一模壳感应加热器(9)和第二模壳感应加热器(10)为双区石墨感应加热器。
  6. 根据权利要求5所述的双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
    所述第一模壳感应加热器(9)、第二模壳感应加热器(10)和感应熔炼坩埚(8)分别配置了一个熔炼电源(22)和两个模壳加热电源(21)，熔炼电源(22)为单中频电源，每个模壳加热电源(21)均为中频双电源；工作过程中五个中频电源在熔铸室(1)内同时进行，采用变频和跳频控制方式避免5套电源的相互干扰。
  7. 根据权利要求1所述的双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
    所述加料室(4)侧边平行的连接一测温装置(5)，加料室(4)和测温装置(5)组成一个转塔，转塔底部设置门阀(11)，通过门阀(11)结构将砖塔连接在熔铸室(1)的上方。
  8. 根据权利要求1所述的双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
    所述感应熔炼坩埚(8)与平移翻转机构(23)相连，所述平移翻转机构(23)包括倾翻伺服驱动电机减速器(34)，倾翻伺服驱动电机减速器(34)通过齿轮齿盘(36)实现熔炼坩埚(8)的-110°～+110°翻转，实现左右2个方向对2个模壳的倾翻浇铸；平移驱动电机减速机(31)通过齿轮齿条(29)、直线导轨(28)、旋转编码器(30)实现感应熔炼坩埚(8)在两个方向倾翻浇铸的同时能够水平方向移动，可实现自动对中浇铸；通过精确控制浇铸速度和倾翻角度，实现一次熔炼的合金液分别对左右2个方向模壳的二次定量浇铸。
  9. 根据权利要求1所述的双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
    所述第一模壳升降抽拉装置(12)和第二模壳升降抽拉装置(13)采用滚珠丝杠和精密直线导轨配合完成升降，并由交流伺服电机驱动。
  10. 根据权利要求1所述的双模壳室的四室定向/单晶真空感应炉设备，其特征在于，
    所述第一翻板阀(6)、第二翻板阀(7)采用真空水冷翻板阀，驱动形式为气动。
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