CN203960312U - The antivacuum casting apparatus of a kind of high heat pipe - Google Patents

The antivacuum casting apparatus of a kind of high heat pipe Download PDF

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Publication number
CN203960312U
CN203960312U CN201420356114.5U CN201420356114U CN203960312U CN 203960312 U CN203960312 U CN 203960312U CN 201420356114 U CN201420356114 U CN 201420356114U CN 203960312 U CN203960312 U CN 203960312U
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China
Prior art keywords
furnace
refining
heater
melting
thermal insulation
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CN201420356114.5U
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Chinese (zh)
Inventor
赵钦海
彭永聪
曲绍文
李文娇
陈大勇
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Shandong Zhongjia Electronic Technology Co. Ltd.
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Shandong Zhongjia New Materials Co Ltd
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Abstract

The utility model relates to the antivacuum casting apparatus of a kind of high heat pipe, comprise throttling control formula smelting furnace, refining furnace, holding furnace and crystallizer, described throttling control formula smelting furnace comprises melting body of heater, feeding mouth, and be positioned at the chute of described melting bottom of furnace body, the exit end of described chute is provided with throttling valve, and this throttling valve is positioned at described refining furnace; Described refining furnace comprises refining body of heater, is positioned at the refining agent entrance of described refining body of heater top, and is positioned at the undercurrent groove of described refining bottom of furnace body; Described refining furnace is communicated with the bottom of described holding furnace by this undercurrent groove; Described holding furnace comprises thermal insulation furnace body, and is positioned at the insulating covering agent entrance of described thermal insulation furnace body top; The bottom of described thermal insulation furnace body connects described crystallizer.Apparatus structure of the present utility model is simple, less investment, and whole castingprocesses copper liquid contacts with air zero, and introduces La element as refining agent, has truly realized quantitative proportioning for the production of practice, and realizes serialization and produce.

Description

The antivacuum casting apparatus of a kind of high heat pipe
Technical field
The utility model relates to the antivacuum casting apparatus of a kind of high heat pipe, relates in particular to the antivacuum smelting-casting equipment of a kind of high purity oxygen free copper, belongs to metal manufacture field.
Background technology
Computer and communication electronics generally adopt high-purity oxygen free copper as shell material with high heat pipe, and the thermal conductivity of high-purity oxygen free copper is only second to silver, and 20 DEG C time, thermal conductivity is greater than 300W/ (m. DEG C), and heat conductivility is good.Meanwhile, it is also ductile, air penetrability is low, do not produce the advantage such as hydrogen embrittlement, corrosion resistance and good.
The technique of producing at present high-purity oxygen free copper is vacuum melting, but equipment investment is large, at the bottom of production efficiency, production cost is high.Aspect, market, the high heat pipe product of high-performance, domestic supply is less than 25%, exceedes 75% ratio and needs dependence on import.Some Domestic producer adopts up casting method semicontinuous casting method to produce high heat pipe, the product oxygen level > 10ppm of output, and foreign matter content cannot have control, and mechanical property also cannot compare favourably with imported product.
In the face of progressively soaring situation of the high heat pipe complex process of China and raw materials cost, how to utilize enterprise's self-technique transformation innovation, the high heat pipe of research non-vacuum melting method production high-performance is just becoming most copper processing enterprise urgent problem.
Utility model content
The utility model, for the deficiencies in the prior art, provides one can realize copper liquid and has contacted with air zero, effectively controls oxygen level, and production cost is low, at the bottom of energy consumption, the antivacuum casting apparatus of high heat pipe that efficiency is high.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: the antivacuum casting apparatus of a kind of high heat pipe, comprise throttling control formula smelting furnace 1, refining furnace 2, holding furnace 3 and crystallizer 4, described throttling control formula smelting furnace 1 comprises melting body of heater 11, is positioned at the feeding mouth 12 of described melting body of heater top, and be positioned at the chute 13 of described melting bottom of furnace body, the exit end of described chute 13 is provided with throttling valve 5, and this throttling valve 5 is positioned at described refining furnace 2; Described refining furnace 2 comprises refining body of heater 21, is positioned at the refining agent entrance 22 of described refining body of heater top, and is positioned at the undercurrent groove 6 of described refining bottom of furnace body; Described refining furnace 2 is communicated with the bottom of described holding furnace 3 by this undercurrent groove 6; Described holding furnace 3 comprises thermal insulation furnace body 31, and is positioned at the insulating covering agent entrance 32 of described thermal insulation furnace body top; The bottom of described thermal insulation furnace body 31 connects described crystallizer 4.
Further, described throttling valve 5 is positioned at refining body of heater 21 tops of described line-frequency induction refining furnace 2.
The using method of the utility model device is: high pure electrolytic copper is sent into the preliminary melting of smelting furnace, calcining charcoal in copper liquid surface covers, the copper liquid of fusing flows into refining furnace by chute completely, during entering, refining furnace is designed with throttling valve, control liquid level, copper liquid surface coverage graphite scale, by adding the earth La of certain proportioning as refining agent, further deoxidation impurity elimination, copper liquid after stable components, enter holding furnace by undercurrent groove, holding furnace copper liquid surface coverage graphite scale, draws casting continuously by crystallizer.
By improved equipment, smelting furnace is tentatively realized the melting of copper, change tradition and topple over mode, design undercurrent level control valve, copper liquid adopts the dry charcoal of calcining and all standing of graphite scale, reach the effect of isolated air and deoxidation, refining furnace staticizes purification, copper liquid after staticizing is by chute mouth, flow into holding furnace, pass through graphite crystallizer, draw casting through twice water-cooled, realizing fusion-casting process copper liquid contacts without air, effectively control material oxygen level by this mode, can make oxygen level be controlled in 3ppm optimum range, can realize in addition three streams and draw continuously casting simultaneously, efficiency ratio tradition founding mode improves 40%.
The beneficial effects of the utility model are: apparatus structure of the present utility model is simple, less investment, whole castingprocesses copper liquid contacts with air zero, and processing method is introduced La element as refining agent, truly realize quantitative proportioning for the production of practice, and realized serialization and produce.
Brief description of the drawings
Fig. 1 is the antivacuum casting apparatus structural representation of a kind of high heat pipe.
1. throttling control formula has core line-frequency induction smelting furnace
2. line-frequency induction refining furnace
3. line-frequency induction holding furnace
4. crystallizer
5. throttling valve
6. undercurrent groove
11. melting bodies of heater
12. feeding mouths
13. chutes
14. calcining charcoal layers
21. refining bodies of heater
22. refining agent entrances
23. graphite scale layers
31. thermal insulation furnace bodies
32. insulating covering agent entrances
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
The antivacuum casting apparatus of the high heat pipe of one as shown in Figure 1, comprise that throttling control formula has core line-frequency induction smelting furnace 1, line-frequency induction refining furnace 2, line-frequency induction holding furnace 3 and crystallizer 4, throttling control formula has core line-frequency induction smelting furnace 1 to comprise melting body of heater 11, is positioned at the feeding mouth 12 of described melting body of heater top, and be positioned at the chute 13 of described melting bottom of furnace body, the exit end of described chute 13 is provided with throttling valve 5, and this throttling valve 5 is positioned at line-frequency induction refining furnace 2; Line-frequency induction refining furnace 2 comprises refining body of heater 21, is positioned at the refining agent entrance 22 of described refining body of heater top, and is positioned at the undercurrent groove 6 of described refining bottom of furnace body; Line-frequency induction refining furnace 2 is communicated with the bottom of line-frequency induction holding furnace 3 by this undercurrent groove 6; Line-frequency induction holding furnace 3 comprises thermal insulation furnace body 31, and is positioned at the insulating covering agent entrance 32 of described thermal insulation furnace body top; The bottom of thermal insulation furnace body 31 connects described crystallizer 4.Throttling valve 5 is positioned at refining body of heater 21 tops of described line-frequency induction refining furnace 2.The throttling control formula smelting furnace that the present embodiment adopts is that throttling control formula has core line-frequency induction smelting furnace, and refining furnace is line-frequency induction refining furnace, and holding furnace is line-frequency induction holding furnace.
While adopting the antivacuum casting apparatus of high heat pipe described in the utility model, technical process is as follows:
1, reinforced melting
There is core line-frequency induction smelting furnace to heat up, the Cu-CATH-1 plate of selecting, feed in raw material by feeding mouth, smelting temperature is controlled at 1160~1200 DEG C, copper liquid surface uniform covers 150~200mm through calcining dry charcoal (calcining charcoal layer 14), after all melting, flow into throttling valve through chute, by throttle valve control refining furnace liquid level.
2, refining furnace refining
Copper liquid enters refining furnace, and copper liquid top needs to cover 100~150mm graphite scale (graphite scale layer 23), for the effect of isolated air and deoxidation.Refining furnace temperature is controlled between 1160~1180 DEG C.
3, add rare earth La, macro crystal grain, removes magazine
Refining process adds 0.06~0.08% earth La in proportion from the feeding mouth of refining furnace, and the purity of La element raw material will reach 99.99%, carries out 5~8min purification stable according to the processing requirement of design, removes impurity element.
4, holding furnace stable components process
After refining impurity elimination, copper liquid arrives holding furnace by the advection of undercurrent groove, between 1150~1170 DEG C of temperature controls, same 100~150mm graphite the scale (graphite scale layer 23) that covers in holding furnace copper liquid surface, and sample examination, more than copper stable content to 99.99%, oxygen level <3ppm, impurity element Bi<0.0001%, Fe<0.001, Pb<0.0005%, when S<0.0015, can draw casting.
5, draw continuously casting
Holding furnace designs three streams and draws casting simultaneously, and copper liquid passes through graphite crystallizer, and draws casting through intermediate water cold crystallization, and traction system is realized and drawn-stop-move back-stop-the alternative vibrational casting effect of La control process, and pulling rate is controlled at 150~300mm/min scope.
Implement above-mentioned antivacuum founding scheme, the product performance of output are good, indices: Cu>99.99%, O<0.0003%, Bi<0.0001%, Fe<0.001, Pb<0.0005%, S<0.0015, grain fineness number 0.005-0.01/mm, thermal conductivity >360W/ (m. DEG C), compare the product of traditional vacuum casting technology output, foreign matter content is extremely low, heat transfer efficiency is high, the more excellent benefit of mechanical property, follow-up bending, the reprocessing such as flattening, copper pipe surface is smooth without depression.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (2)

1. the antivacuum casting apparatus of high heat pipe, comprise throttling control formula smelting furnace (1), refining furnace (2), holding furnace (3) and crystallizer (4), it is characterized in that, described throttling control formula smelting furnace (1) comprises melting body of heater (11), is positioned at the feeding mouth (12) of described melting body of heater top, and be positioned at the chute (13) of described melting bottom of furnace body, the exit end of described chute (13) is provided with throttling valve (5), and this throttling valve (5) is positioned at described refining furnace (2); Described refining furnace (2) comprises refining body of heater (21), is positioned at the refining agent entrance (22) of described refining body of heater top, and is positioned at the undercurrent groove (6) of described refining bottom of furnace body; Described refining furnace (2) is communicated with the bottom of described holding furnace (3) by this undercurrent groove (6); Described holding furnace (3) comprises thermal insulation furnace body (31), and is positioned at the insulating covering agent entrance (32) of described thermal insulation furnace body top; The bottom of described thermal insulation furnace body (31) connects described crystallizer (4).
2. the antivacuum casting apparatus of high heat pipe according to claim 1, is characterized in that, described throttling valve (5) is positioned at refining body of heater (21) top of described refining furnace (2).
CN201420356114.5U 2014-06-30 2014-06-30 The antivacuum casting apparatus of a kind of high heat pipe Active CN203960312U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104087765A (en) * 2014-06-30 2014-10-08 山东中佳新材料有限公司 Non-vacuum melt casting device of pipe with high thermal conductivity and processing process thereof
CN105132730A (en) * 2015-08-28 2015-12-09 上海飞驰铜铝材有限公司 High-density, high-conductivity and oxygen-free copper and preparation method thereof
CN105562646A (en) * 2015-12-18 2016-05-11 重庆市特泰机械制造有限公司 Liquid inflow device used for centrifugal casting
CN106591621A (en) * 2016-12-02 2017-04-26 中铁建电气化局集团康远新材料有限公司 Production process for long-length high-strength and high-conductivity copper-chrome-zirconium alloy contact wire
CN109439910A (en) * 2018-12-19 2019-03-08 宁波长振铜业有限公司 A kind of regeneration copper refining three-body casting furnace and casting method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104087765A (en) * 2014-06-30 2014-10-08 山东中佳新材料有限公司 Non-vacuum melt casting device of pipe with high thermal conductivity and processing process thereof
CN105132730A (en) * 2015-08-28 2015-12-09 上海飞驰铜铝材有限公司 High-density, high-conductivity and oxygen-free copper and preparation method thereof
CN105562646A (en) * 2015-12-18 2016-05-11 重庆市特泰机械制造有限公司 Liquid inflow device used for centrifugal casting
CN106591621A (en) * 2016-12-02 2017-04-26 中铁建电气化局集团康远新材料有限公司 Production process for long-length high-strength and high-conductivity copper-chrome-zirconium alloy contact wire
CN106591621B (en) * 2016-12-02 2018-02-23 中铁建电气化局集团康远新材料有限公司 The production technology of long length high-strength high-conductivity copper-chromium-zirconium contact line
CN109439910A (en) * 2018-12-19 2019-03-08 宁波长振铜业有限公司 A kind of regeneration copper refining three-body casting furnace and casting method
CN109439910B (en) * 2018-12-19 2020-05-08 宁波长振铜业有限公司 Three-body casting furnace for refining reclaimed copper and casting method

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Effective date of registration: 20170309

Address after: 265400 Zhaoyuan City, Yantai Province, North Road, Jin Hui first

Patentee after: Shandong Zhongjia Electronic Technology Co. Ltd.

Address before: 265400 Zhaoyuan City, Shandong Province Economic Development Zone, Linglong Road, No. 118, No.

Patentee before: Shandong Zhongjia New Materials Co., Ltd.