CN205967387U - Ingot casting device of high purity indium - Google Patents

Ingot casting device of high purity indium Download PDF

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Publication number
CN205967387U
CN205967387U CN201620945482.2U CN201620945482U CN205967387U CN 205967387 U CN205967387 U CN 205967387U CN 201620945482 U CN201620945482 U CN 201620945482U CN 205967387 U CN205967387 U CN 205967387U
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China
Prior art keywords
indium
subelement
ingot casting
casting device
high purity
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CN201620945482.2U
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Chinese (zh)
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曹昌威
詹科
张程
雷聪
田庭光
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EMEI SEMICONDUCTOR MATERIAL INSTITUTE
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EMEI SEMICONDUCTOR MATERIAL INSTITUTE
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Abstract

The utility model discloses an ingot casting device of high purity indium, the ingot casting device includes mounting bracket, heating furnace, quartz crucible, mould unit and the control unit, and the mounting bracket includes base and support frame, and the support frame includes first bracing piece and second bracing piece, the heating furnace hangs the setting on first bracing piece, and quartz crucible sets up in the stove section of thick bamboo of heating furnace, and quartz crucible includes the quartz crucible body, quartz crucible runner, the fixed pipe of quartzy stick and quartzy stick, and the bottom of the fixed pipe of quartzy stick is provided with the indium egress opening, does does the control unit include temperature control subelement, solenoid valve subelement, weigh gyrator unit and central authorities' processing subelement, temperature control subelement, solenoid valve subelement and weigh the gyrator unit all is connected with central control subelement electricity, does mould unit include the mould dish and sets up a plurality of mould on the mould dish that mould unit rotatably sets up and is weighing the top of revolving stage lies in the below of indium egress opening.

Description

A kind of ingot casting device of high purity indium
Technical field
This utility model is related to high pure metal technical field of material formation, more particularly, is related to a kind of casting of high purity indium Ingot device.
Background technology
High purity indium refers to 5N and above high pure metal indium, and it is one of most important strategic resource material, can make eutectic The raw material of alloy, bearing metal, quasiconductor, electric light source etc., is mainly used as the coating of the silver-colored bearing of coating lead of aircraft, also in electricity The aspects such as sub- software, the communication apparatus are indispensable, even more the key material of liquid crystal display.Due to China's electronics industry and letter Breath industry falls behind, and the indium overwhelming majority (more than 80%) outlet of domestic production is gone abroad in (U.S., Japan and Europe), to export to Japan is most.Domestic indium consumption figure very little, annual consumption is less than 10t.Ermei Institute of Semiconductor Material, Nanjing germanium factory, calabash Lu Dao zinc factory and Liu Xin indium scientific & technical corporation etc. can produce 5N high purity indium (containing indium 99.999%) and 6N, 7N ultrapure indium (purity 99.9999%~99.99999%).
The purity of high purity indium is higher, and user requires also higher, including the size etc. of ingot to the external form of indium.Single ingot Weight demands be accurate to gram, the particularly ultrapure indium of 6N, 7N, user often require that the weight of single ingot be accurate to 5 ± 1g, 10 ± 1g etc..
Container in existing high purity indium ingot casting device, mould, valve typically adopt metal material, such as titanium and stainless Steel, if this kind of ingot casting device is used for the ingot casting of 5N high purity indium or the ultrapure indium of 6N, 7N, when indium material and metallic crucible, metal tube It is introduced into new impurity when road contacts with valve, lead to the indium ingot purity casting out not reach requirement.Therefore, existing this kind of ingot casting Device is not suitable for the ingot casting of high purity indium or super high purity indium.
Utility model content
In order to solve problems of the prior art, the purpose of this utility model be provide one kind be easy to control and can Ensure the high purity indium ingot casting device of high purity indium purity.
This utility model provides a kind of ingot casting device of high purity indium, and described ingot casting device includes installing rack, heating furnace, stone English crucible, die unit and control unit, wherein,
Installing rack includes base and bracing frame, and bracing frame includes the first support bar being vertically arranged on base and with first The second support bar that support bar connects;
Heating furnace hangs and is arranged in first support bar, and silica crucible is arranged in the furnace tube of heating furnace;Silica crucible bag Include silica crucible body, silica crucible runner, quartz pushrod fixing pipe and quartz pushrod, quartz pushrod fixing pipe is abreast arranged on quartzy earthenware The side of crucible body and being connected with the discharging opening of silica crucible body bottom by silica crucible runner, the bottom of quartz pushrod fixing pipe It is provided with indium flow export, quartz pushrod is placed vertically in quartz pushrod fixing pipe and the bottom end closure by quartz pushrod or unlatching indium Flow export;
Control unit includes temperature control subelement, electromagnetic valve subelement, weigh-rotate subelement and central authorities' process son list Unit, temperature control subelement includes thermocouple and temperature controller, and thermocouple is arranged in the furnace tube of heating furnace, thermocouple and plus The heating element heater of hot stove is all electrically connected with temperature controller;Electromagnetic valve subelement includes electromagnetic valve, and electromagnetic valve is arranged on second The end of strut is simultaneously connected with the top of quartz pushrod by connector;Subelement of weighing-rotate includes-turntable of weighing, weigh- Turntable is arranged on base;Described temperature control subelement, electromagnetic valve subelement and subelement of weighing-rotate all are controlled with central authorities Subunit electrically connects;
Die unit includes mould disks and several moulds being arranged on mould disks, and die unit can be rotatably set in Weigh-the top of turntable be located at the lower section of indium flow export.
One embodiment of the ingot casting device according to this utility model high purity indium, described heating furnace is Resistant heating stove, The heating element heater of described heating furnace is resistance wire.
One embodiment of the ingot casting device according to this utility model high purity indium, described silica crucible also includes being arranged on stone Quartzy sieve plate on the discharging opening of English crucible body bottom, described quartz sieve plate has been evenly arranged several apertures.
One embodiment of the ingot casting device according to this utility model high purity indium, the bottom of described quartz pushrod is the close of taper The surface of end socket and seal head is provided with frosted layer.
One embodiment of the ingot casting device according to this utility model high purity indium, the inwall of described indium flow export is also provided with There is frosted layer.
One embodiment of the ingot casting device according to this utility model high purity indium, several moulds on described mould disks are equal The underface of indium flow export can be located at after rotation.
One embodiment of the ingot casting device according to this utility model high purity indium, described connector includes metallic rod and rubber Connector.
One embodiment of the ingot casting device according to this utility model high purity indium, is provided with guarantor in the furnace tube of described heating furnace Warm layer.
One embodiment of the ingot casting device according to this utility model high purity indium, described quartz pushrod can be in the control of electromagnetic valve Move up and down under system.
Compared with prior art, the ingot casting device design of this utility model high purity indium is ingenious and facilitates implementation automatization's control , it can be ensured that the weight fluctuation very little of cast indium ingot, single ingot weight disclosure satisfy that requirement and surfacing is bright, the ingot cast for system Sampled test, purity meet require and with ingot casting before be consistent, ingot casting device does not have harmful effect to the purity of indium.
Brief description
Fig. 1 shows the structural representation of the ingot casting device of this utility model high purity indium.
Fig. 2 shows the structural representation of silica crucible in the ingot casting device of this utility model high purity indium.
Description of reference numerals:
1- base, 2- first support bar, 3- second support bar, 4- heating furnace, 5- furnace tube, 6- heat-insulation layer, 7- silica crucible, 8- thermocouple, 9- electromagnetic valve, 10- metallic rod, 11- rubber connector, 12- weigh-turntable, 13- mould disks, 14- mould, 15- silica crucible body, 16- silica crucible runner, 17- quartz pushrod fixing pipe, 18- quartz pushrod, 19- indium flow export, 20- quartz sieve Plate, 21- seal head.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive Feature and/or step beyond, all can combine by any way.
Any feature disclosed in this specification, unless specifically stated otherwise, all can be equivalent or there is similar purpose by other Alternative features are replaced.I.e., unless specifically stated otherwise, each feature is a series of equivalent or one of similar characteristics example ?.
Below the structure of the ingot casting device to this utility model high purity indium and principle are described in detail.
Fig. 1 shows the structural representation of the ingot casting device of this utility model exemplary embodiment high purity indium.
As shown in figure 1, according to exemplary embodiment of the present utility model, the ingot casting device of described high purity indium includes installing Frame, heating furnace 4, silica crucible 7, die unit and control unit, wherein, installing rack is the basis for assembling this ingot casting device Assembly, heating furnace 4 is used for high purity indium is heated so that casting after its fusing, and silica crucible 7 is used for providing for material Container simultaneously controls outflow and the cut out of liquid indium, and die unit is the key component of indium ingot casting shaping, and control unit is used for realizing To the temperature control of single unit system with the function such as automatically control.
According to this utility model, installing rack includes base 1 and bracing frame, and bracing frame includes being vertically arranged on base 1 First support bar 2 and the second support bar 3 being connected with first support bar 2.Wherein, second support bar 3 is arranged on first support bar 2 Top and vertical with first support bar 2 be connected.Installing rack can adopt the material of equality circuit intensity requirement to make, such as work Tool steel etc..
Heating furnace 4 hangs and is arranged in first support bar 2, and silica crucible 7 is arranged in the furnace tube 5 of heating furnace 4.Furnace tube 5 Be made up of exotic material and higher temperature can be born, the heat transfer that heating element heater is produced by it by directly contact to Silica crucible and material therein.Preferably, heating furnace 4 is Resistant heating stove, and the heating element heater of heating furnace 4 is resistance Silk.In order to ensure the heat-insulating property of heating furnace 4, in the furnace tube 5 of heating furnace 4, it is additionally provided with heat-insulation layer 6, such as spun-glass insulation The heat-insulation layer that cotton is made.
Fig. 2 shows the structural representation of silica crucible in the ingot casting device of this utility model high purity indium.
As shown in Fig. 2 the silica crucible that this utility model is used include silica crucible body 15, silica crucible runner 16, Quartz pushrod fixing pipe 17 and quartz pushrod 18, quartz pushrod fixing pipe 17 is abreast arranged on the side of silica crucible body 15 and passes through Silica crucible runner 16 is connected with the discharging opening of silica crucible body 15 bottom, and the bottom of quartz pushrod fixing pipe 17 is provided with indium and flows out Mouth 19, quartz pushrod 18 is placed vertically in quartz pushrod fixing pipe 17 and the bottom end closure by quartz pushrod 18 or unlatching indium flow out Mouth 19.Silica crucible is as the primary clustering of ingot casting device, the outflow for material offer container and controllable liquid indium and pass Close, be can ensure that using quartz material and high purity indium is not polluted, and then ensure the purity of indium ingot casting.Wherein, quartz pushrod 18 phase When in a switch module, for controlling outflow and the closing of liquid indium.When being placed in quartz pushrod 18 envelope in quartz pushrod fixing pipe 17 The outflow of liquid indium when closing indium flow export 19, can be stoped;When above carrying quartz pushrod 18, then can open indium flow export 19 and release Liquid indium.
Preferably, the quartzy sieve plate 20 on discharging opening that silica crucible 7 also includes be arranged on silica crucible body 15 bottom, stone Several apertures have been evenly arranged on English sieve plate 20.By the aperture on quartzy sieve plate 20, the liquid treating ingot casting can be stoped high Residue in pure indium and oxide are flowed in product ingot and stay in silica crucible body 15.
In order to realize more preferable switching effect, the bottom of quartz pushrod 18 is the seal head of taper and the surface setting of seal head There is frosted layer.Meanwhile, the inwall of indium flow export 19 is also equipped with frosted layer.Thus, the two is worked in coordination, and effectively seals indium Flow export simultaneously prevents the outflow of liquid indium.
Control unit includes temperature control subelement, electromagnetic valve subelement, weigh-rotate subelement and central authorities' process son list First (not shown), temperature control subelement, electromagnetic valve subelement and subelement of weighing-rotate all control subelement to be electrically connected with central authorities Connect.
According to this utility model, temperature control subelement includes thermocouple 8 and temperature controller (not shown), thermocouple 8 It is arranged in the furnace tube 5 of heating furnace 4 so that the temperature in heating furnace is carried out with real-time monitoring, the heating unit of thermocouple 8 and heating furnace 4 Part is all electrically connected with temperature controller, and temperature controller can show real time temperature that thermocouple records and can be according to central authorities The instruction processing subelement is adjusted to heating furnace and makes to reach design temperature in furnace tube.
Electromagnetic valve subelement includes electromagnetic valve 9, electromagnetic valve 9 be arranged on second support bar 3 end and by connector with The top of quartz pushrod 18 connects.Wherein, electromagnetic valve 9 is used for controlling moving up and down of quartz pushrod 18, can be by this quartz pushrod 18 Move up and down under the control of electromagnetic valve 9.According to an embodiment of the present utility model, connector includes metallic rod 10 and rubber connects Fitting 11, wherein, metallic rod 10 can be stainless steel, and it is connected with electromagnetic valve 9 and drives moving up and down of quartz pushrod 18;Rubber Gemel connection part 11 is used for connecting metallic rod 10 and quartz pushrod 18, and in the work process of electromagnetic valve 9, it plays cushioning effect simultaneously. Electromagnetic valve 9 can be turned on and off according to the instruction that central authorities process subelement, then drives quartz pushrod 18 mobile or remains stationary.
Subelement of weighing-rotate includes-turntable 12 of weighing, weigh-turntable 12 is arranged on base 1.Weigh-rotate Platform is capable of indium weight in die unit is weighed, thus controlling the weight of each indium ingot casting, it can control simultaneously The rotation of die unit, so that each mould connects all can be precisely directed to indium flow export 19 during material.Weigh-turntable 12 Can by the real-time indium gravimetric value weighing feed back to central authorities process subelement and according to central authorities process subelement instruction rotation or Stop.
Die unit includes mould disks 13 and several moulds 14 being arranged on mould disks 13, and die unit is rotatably It is arranged on-the top of turntable 12 be located at the lower section of indium flow export 19 of weighing.Wherein, mould disks 13 are to arrange multiple moulds The disk of tool 14, its underpart with weigh-turntable 12 is connected, rotatable and can be rotated with driven mold 14.And, mould disks 13 On several moulds 14 all can after rotation be located at indium flow export 19 underface to accept liquid indium, Duo Gemo exactly Tool 14 is uniformly arranged on mould disks 13, and that is, corresponding central angle between two neighboring mould is consistent, can arrange and weigh-revolve The angle that rotor unit rotates every time is consistent with above-mentioned central angle, is achieved in being accurately positioned of position, but this practicality is new Type not limited to this.
Below in conjunction with specific embodiment, the work process of the ingot casting device of high purity indium in this utility model is introduced.
6N high purity indium is put in silica crucible, sets ingot casting weight and be contained in title as 10g/ ingot and by the mould disks of 10g/ ingot On weight-turntable.Begin to warm up and the temperature of design temperature controller is 180 ± 5 DEG C, treat that the in-furnace temperature that thermocouple measures reaches Insulation a period of time to after 180 ± 5 DEG C.Liquid indium after high purity indium is completely melt through quartzy sieve plate and is filtering out indium residue After be flowed near indium flow export, opens solenoid valve and control quartz pushrod on move, seal head from indium flow export disengage, liquid indium lead to Cross indium flow export to flow down and fall in mould beginning ingot casting, weigh-turntable detects and just reaches 10g in the ingot weight of ingot casting When, close electromagnetic valve and control quartz pushrod to move down, seal head sealing indium flow export simultaneously stops liquid indium from flowing out;Next, mould Disk rotates to next sky mould, now opens solenoid valve according to direction clockwise or counterclockwise, carries out according to same step The casting of second ingot casting, by that analogy, after the completion for the treatment of that all moulds in mould disks are all cast, changes mould disks;Treat quartz After high purity indium material in crucible all flows out, take out mould disks, close power supply and complete to cast.
, all in 10 ± 1g/ ingot, single ingot weight is satisfied by requiring and surface is put down for the weight range of the present embodiment cast indium ingot casting Whole light, the sampled test of indium ingot casting cast, purity meet 6N require, with ingot casting before be consistent, ingot casting device is to indium Purity does not have harmful effect.
In sum, the ingot casting device design of this utility model high purity indium is ingenious and facilitates implementation Automated condtrol, can Guarantee the weight fluctuation very little of cast indium ingot, single ingot weight disclosure satisfy that requirement and surfacing light, the ingot cast is sampled Test, purity meet require and with ingot casting before be consistent, ingot casting device does not have harmful effect to the purity of indium.
This utility model is not limited to aforesaid specific embodiment.This utility model expand to any in this specification The new feature of middle disclosure or any new combination, and the arbitrary new method of disclosure or the step of process or any new group Close.

Claims (9)

1. a kind of ingot casting device of high purity indium it is characterised in that described ingot casting device include installing rack, heating furnace, silica crucible, Die unit and control unit, wherein,
Installing rack includes base and bracing frame, and bracing frame includes the first support bar being vertically arranged on base and supports with first The second support bar that bar connects;
Heating furnace hangs and is arranged in first support bar, and silica crucible is arranged in the furnace tube of heating furnace;Silica crucible includes stone English crucible body, silica crucible runner, quartz pushrod fixing pipe and quartz pushrod, quartz pushrod fixing pipe is abreast arranged on silica crucible body Side and connected with the discharging opening of silica crucible body bottom by silica crucible runner, the setting of the bottom of quartz pushrod fixing pipe There is indium flow export, quartz pushrod is placed vertically in quartz pushrod fixing pipe and the bottom end closure by quartz pushrod or unlatching indium flow out Mouthful;
Control unit includes temperature control subelement, electromagnetic valve subelement, weigh-rotate subelement and central authorities' process subelement, Temperature control subelement includes thermocouple and temperature controller, and thermocouple is arranged in the furnace tube of heating furnace, thermocouple and heating The heating element heater of stove is all electrically connected with temperature controller;Electromagnetic valve subelement includes electromagnetic valve, and electromagnetic valve is arranged on the second support The end of bar is simultaneously connected with the top of quartz pushrod by connector;Subelement of weighing-rotate includes-turntable of weighing, and weighs-revolves Turntable is arranged on base;Described temperature control subelement, electromagnetic valve subelement and subelement of weighing-rotate all are controlled with central authorities Subelement electrically connects;
Die unit includes mould disks and several moulds being arranged on mould disks, and die unit can be rotatably set in title The top of weight-turntable the lower section positioned at indium flow export.
2. according to claim 1 high purity indium ingot casting device it is characterised in that described heating furnace be Resistant heating stove, The heating element heater of described heating furnace is resistance wire.
3. according to claim 1 the ingot casting device of high purity indium it is characterised in that described silica crucible also includes being arranged on stone Quartzy sieve plate on the discharging opening of English crucible body bottom, described quartz sieve plate has been evenly arranged several apertures.
4. according to claim 1 high purity indium ingot casting device it is characterised in that described quartz pushrod bottom be taper close The surface of end socket and seal head is provided with frosted layer.
5. according to claim 4 the ingot casting device of high purity indium it is characterised in that being also provided with the inwall of described indium flow export There is frosted layer.
6. according to claim 1 the ingot casting device of high purity indium it is characterised in that several moulds on described mould disks are equal The underface of indium flow export can be located at after rotation.
7. according to claim 1 the ingot casting device of high purity indium it is characterised in that described connector includes metallic rod and rubber Connector.
8. according to claim 1 the ingot casting device of high purity indium it is characterised in that being provided with guarantor in the furnace tube of described heating furnace Warm layer.
9. according to claim 1 the ingot casting device of high purity indium it is characterised in that described quartz pushrod can be in the control of electromagnetic valve Move up and down under system.
CN201620945482.2U 2016-08-25 2016-08-25 Ingot casting device of high purity indium Active CN205967387U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108728675A (en) * 2018-05-30 2018-11-02 苏州精美科光电材料有限公司 A kind of refinement method improving indium purity
CN109202045A (en) * 2018-10-31 2019-01-15 山西八达镁业有限公司 A kind of original magnesium refiner mechanical casting system and casting method
WO2021036488A1 (en) * 2019-08-28 2021-03-04 南京星合精密智能制造研究院有限公司 Processing device for special-shaped low-melting-point alloy core mold
CN112756595A (en) * 2020-12-22 2021-05-07 苏友泉 Quantitative injection device convenient for aluminum alloy casting

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108728675A (en) * 2018-05-30 2018-11-02 苏州精美科光电材料有限公司 A kind of refinement method improving indium purity
CN109202045A (en) * 2018-10-31 2019-01-15 山西八达镁业有限公司 A kind of original magnesium refiner mechanical casting system and casting method
CN109202045B (en) * 2018-10-31 2020-09-22 山西八达镁业有限公司 Raw magnesium refining mechanized casting system and method
WO2021036488A1 (en) * 2019-08-28 2021-03-04 南京星合精密智能制造研究院有限公司 Processing device for special-shaped low-melting-point alloy core mold
CN112756595A (en) * 2020-12-22 2021-05-07 苏友泉 Quantitative injection device convenient for aluminum alloy casting
CN112756595B (en) * 2020-12-22 2022-03-08 江西凤宇铝业有限公司 Quantitative injection device convenient for aluminum alloy casting

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