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CN102828041A - Rotary pulse type aluminum alloy refining device - Google Patents

Rotary pulse type aluminum alloy refining device Download PDF

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Publication number
CN102828041A
CN102828041A CN2012103588622A CN201210358862A CN102828041A CN 102828041 A CN102828041 A CN 102828041A CN 2012103588622 A CN2012103588622 A CN 2012103588622A CN 201210358862 A CN201210358862 A CN 201210358862A CN 102828041 A CN102828041 A CN 102828041A
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CN
China
Prior art keywords
stator
rotor
refining device
alloy refining
aluminum alloy
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CN2012103588622A
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Chinese (zh)
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CN102828041B (en
Inventor
吴士平
郭景杰
苏彦庆
王亮
王惠
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Harbin Institute of Technology
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Harbin Institute of Technology
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Priority to CN 201210358862 priority Critical patent/CN102828041B/en
Publication of CN102828041A publication Critical patent/CN102828041A/en
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Publication of CN102828041B publication Critical patent/CN102828041B/en
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Abstract

The invention provides a rotary pulse type aluminum alloy refining device, and relates to an aluminum alloy refining device, aiming at solving the problem that the performance of an aluminum alloy melt body is reduced since the aluminum alloy melt body easily absorbs the steam in air in the process of smelting, steam is changed into hydrogen atoms so as to be dissolved in the aluminum alloy melt body, the hydrogen is separated out in the manner of gas along with the decrease of the temperature, and the continuity of the tissue section of the aluminum alloy is destroyed. A hanger frame is fixedly connected with a hanger ring, a motor and a coupler are arranged in the hanger frame, a stator rod is fixedly connected on the hanger frame, one end of a rotor rod is connected with a rotor disc, the other end of the rotor rod is connected with the motor, the side wall of the rotor rod is provided with a plurality of first through holes, the side wall of the stator rod is provided with an air inlet hole, the lower end of the stator rod is fixedly connected with a stator disc, the stator disc is provided with a ring-shaped boss, the rotor disc is adjacent to the ring-shaped boss, a blowing disc body is assembled by the stator disc and the rotor disc, a plurality of second through holes are arranged on the stator disc, and an air passage is formed between the stator disc and the rotor rod. The rotary pulse type aluminum alloy refining device is used for refining the aluminum alloy melt body.

Description

Rotary pulsed formula alloy refining device
Technical field
The present invention relates to a kind of alloy refining device, be specifically related to a kind of rotary pulsed formula alloy refining device.
Background technology
Along with the continuous development of China's economic technology, exploitation is efficient, the aluminium alloy melt treatment technology of environmental protection, cleaning, is just becoming the developing direction of refining techniques, and pulse gassing method refining techniques also is a kind of of air blast refining techniques; It can realize the control to gas flow in the time of blowing continuously, can control the size and the density of bubble to a certain extent; Realize accurately control bubble, yet most pulse is many to be controlled on the source of gas; Its control effect awaits to improve, and in refining process, aluminium alloy melt is easy to absorb airborne water vapour in fusion process and changes Wasserstoffatoms into and then be dissolved in the aluminium alloy melt; Along with the reduction of temperature, the solubleness of hydrogen reduces, and causes hydrogen to be separated out with the mode of gas in solidifying subsequently; Destroy the continuity of section, caused performance to reduce, therefore; Need carry out refining treatment to aluminium alloy melt in the industrial production, remove hydrogen and other impurity in the aluminium alloy melt, high-quality aluminium alloy melt is provided.
Can be divided into two types in the treatment technology of aluminium alloy melt, one type is the refining techniques with refining agent, and for example adopting Sesquichloratum is the refining techniques of refining agent, can obtain good refining effect; But, because the chemical reaction that this process takes place is emitted a large amount of chlorine, therefore operator and environment being caused great pollution, another kind of technology is to utilize bubble method; Through diffusion, realize removing the method for hydrogen, at present; The rotary blowing technology that extensively adopts, with rare gas element as carrier, through the gas of winding-up high speed rotating; Form bubble, realize the purpose of dehydrogenation, still; This method causes huge the rolling of alloy melt, forms a large amount of inclusiones, causes secondary pollution.In addition, also have solvent method and blowing process bonded refining techniques.In a word; Aluminium alloy melt exists in fusion process and be prone to absorb airborne water vapour and change Wasserstoffatoms into and then be dissolved in the aluminium alloy melt, and along with the reduction of temperature, hydrogen is separated out with the mode of gas; Destroyed the continuity of aluminum alloy organization's section, the problem that causes its performance to reduce.
Summary of the invention
The purpose of this invention is to provide a kind of rotary pulsed formula alloy refining device; In fusion process, be prone to absorb airborne water vapour and change Wasserstoffatoms into and then be dissolved in the aluminium alloy melt to solve aluminium alloy melt; Reduction along with temperature; Hydrogen is separated out with the mode of gas, has destroyed the continuity of aluminum alloy organization's section, the problem that causes its performance to reduce.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: said rotary pulsed formula alloy refining device comprises suspension ring, motor, suspension bracket, shaft coupling, stator bar, stator discs, rotor shaft and rotor disk, and the top of said suspension bracket is fixedly connected with suspension ring, and said motor and shaft coupling all are positioned at the inside of suspension bracket; Motor is fixedly connected with suspension bracket; Shaft coupling is positioned at the below of motor, and the upper end of stator bar is fixedly connected on the suspension bracket, and an end of said rotor shaft is sleeved on the inside of stator bar and is connected with rotor disk; The other end of rotor shaft is connected with the output shaft of motor through shaft coupling; The rotor shaft sidewall is processed with a plurality of first through holes near lower end, and stator bar sidewall is processed with inlet mouth near upper end, and the lower end of stator bar is fixedly connected with stator discs; The periphery of the lower surface of stator discs is provided with annular boss; Rotor disk is positioned at the bottom of stator discs, and the upper surface of rotor disk is pressed close to the lower surface of the annular boss of stator discs mutually, constitutes the air blowing disk body by stator discs and rotor disk; The upper surface of rotor disk is processed with many grooves; Be processed with a plurality of second through holes on the card of stator discs, form venting channels between rotor shaft and the stator bar, said venting channels is communicated with the air blowing disk body through a plurality of first through holes.
The beneficial effect that the present invention compared with prior art comprises is:
One, structure design of the present invention is novel rationally; Can form evenly tiny bubble when the present invention works, and the operation of bubble is near laminar flow, the present invention is static fine bubble generating apparatus; The bubble that the present invention produced is static in uphill process; Uniformly, tiny, refining effect of the present invention is good, can not cause acutely seething of melt at refining process;
Two, a plurality of second through holes on the stator discs of the present invention are the key structures that produce the pulse bubble, and through distribution and the spacing between the controllable diameter system bubble and the size of bubble of controlling a plurality of second through holes, the interval of bubble relies on pulse control;
Three, said venting channels of the present invention is communicated with the air blowing disk body through a plurality of first through holes; Be set to gas like this flow passage is provided; Gas is introduced in rotor disk and the formed air blowing disk body of stator discs through a plurality of first through holes on the rotor shaft after being incorporated into venting channels earlier, drives rotor disk through the electric machine control rotor shaft and rotates formation pulse bubble;
Four, the present invention adopts rare gas element as refining gas; Meet environmental protection requirement simultaneously at the degasification purified; Refining gas gets into the static bubble that the air blowing disk body produces through venting channels; Bubble evenly floats to be diffused in the aluminium alloy melt obnoxious flavour is removed then; The size that small bubbles produce relies on the diameter of a plurality of second through holes on the stator discs and the rotor disk rotation cutting gas of stator discs the inside to make its gas through the ejection of air blowing disk body be intermittently (pulse) state; The spacing of bubble is controlled through the speed of rotation that changes rotor shaft, and the density of bubble is controlled by the second through hole distribution density, and the size of bubble is controlled by the pressure and the flow of refining gas;
Five, realize the introducing of gas among the present invention through the inlet mouth on the stator bar, feasibility is high, has avoided introducing gas along the bar direction and has occurred the safe reliability height with the phenomenon that upper motor interferes.
Description of drawings
Fig. 1 is a main TV structure synoptic diagram of the present invention; Fig. 2 is the main TV structure synoptic diagram of stator discs, and Fig. 3 is the cross-sectional view at the A-A place of Fig. 2, and Fig. 4 is the main TV structure synoptic diagram of rotor disk; Fig. 5 is the cross-sectional view at the B-B place of Fig. 4, and Fig. 6 is the enlarged diagram of C place structure among Fig. 1.
Embodiment
Embodiment one: combine Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 that this embodiment is described; Rotary pulsed formula alloy refining device comprises suspension ring 1, motor 2, suspension bracket 3, shaft coupling 4, stator bar 5, stator discs 6, rotor shaft 7 and rotor disk 8 described in this embodiment, and the top of said suspension bracket 3 is fixedly connected with suspension ring 1, and said motor 2 and shaft coupling 4 all are positioned at the inside of suspension bracket 3; Motor 2 is fixedly connected with suspension bracket 3; Shaft coupling 4 is positioned at the below of motor 2, and the upper end of stator bar 5 is fixedly connected on the suspension bracket 3, and an end of said rotor shaft 7 is sleeved on the inside of stator bar 5 and is connected with rotor disk 8; The other end of rotor shaft 7 is connected with the output shaft of motor 2 through shaft coupling 4; Rotor shaft 7 sidewalls are processed with a plurality of first through holes 10 near lower end, and stator bar 5 sidewalls are processed with inlet mouth 16 near upper end, and the lower end of stator bar 5 is fixedly connected with stator discs 6; The periphery of the lower surface of stator discs 6 is provided with annular boss; Rotor disk 8 is positioned at the bottom of stator discs 6, and the upper surface of rotor disk 8 is pressed close to the lower surface of the annular boss of stator discs 6 mutually, constitutes air blowing disk body 13 by stator discs 6 and rotor disk 8; The upper surface of rotor disk 8 is processed with many grooves 11; Be processed with a plurality of second through holes 12 on the card of stator discs 6, form venting channels 9 between rotor shaft 7 and the stator bar 5, said venting channels 9 is communicated with air blowing disk body 13 through a plurality of first through holes 10.
Motor 2 is existing device with shaft coupling 4 in this embodiment, and model is not limit, and can dispose according to concrete practical situation, realizes that goal of the invention gets final product; Inlet mouth 16 is to be provided with for rare gas element gets into; The bottom surface of stator discs 6 is provided with the stator disk cover in this embodiment; The stator disk cover is the flat cover structure; The stator disk cover is in order to be rotor shaft 7 to be installed be provided with rotor disk 8, and after rotor shaft 7 and rotor disk 8 installed, the stator disk cover was closed fixing and be in sealed state and get final product with stator discs 6.
Embodiment two: combine Fig. 1, Fig. 2, Fig. 3 and Fig. 6 that this embodiment is described, the diameter of second through hole 12 described in this embodiment is 0.5~2.0mm.Second through hole, 12 formed bubble sizes in this diameter range are the most suitable, and uniform and stable, more help realizing goal of the invention of the present invention.Other method steps is identical with embodiment one.
Embodiment three: combine Fig. 1, Fig. 2, Fig. 3 and Fig. 6 that this embodiment is described, the junction sealing of bar of stator described in this embodiment 5 and rotor shaft 7 is provided with, and the junction sealing of stator bar 5 and stator discs 6 is provided with.Setting can improve the whole sealing effectiveness of the present invention like this, helps realizing better the object of the invention, makes and introduces more gas in the air blowing disk body 13, produces more bubble.Other method steps is identical with embodiment one or two.
Embodiment four: combine Fig. 1, Fig. 4, Fig. 5 and Fig. 6 that this embodiment is described, many grooves 11 described in this embodiment are symmetrical set with respect to the medullary ray of rotor disk 8.Being provided with like this makes rotor disk 8 when high speed rotating, can reach better work.Other method steps is identical with embodiment three.
Embodiment five: combine Fig. 1, Fig. 2, Fig. 3 and Fig. 6 that this embodiment is described, a plurality of second through holes 12 described in this embodiment are that the center is distributed on the end face of stator discs 6 with the center of circle of stator discs 6.The better effects if of the bubble that stator discs 6 is produced when work when being provided with like this.Other method steps is identical with embodiment four.
Embodiment six: combine Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 that this embodiment is described; Rotary pulsed formula alloy refining device also comprises fastening spring 14 described in this embodiment, and said fastening spring 14 is sleeved on the rotor shaft 7 and is positioned at the below of shaft coupling 4.The reason that fastening spring 14 is provided with like this is to be prone to melt distortion for fear of fastening spring 14 at aluminium alloy melt follow the string; So selection is sleeved on fastening spring 14 on the rotor shaft 7 and is positioned at the position of the below of shaft coupling 4; Help fastening spring 14 and effectively realize its clamping action; The effect of fastening spring 14 is to clamping between stator discs 6 and the rotor disk 8, utilizes the pressure of fastening spring 14 to realize the control to gap between stator discs 6 and the rotor disk 8.Other method steps is identical with embodiment two, four or five.
Embodiment seven: combine Fig. 1 that this embodiment is described, rotary pulsed formula alloy refining device also comprises baffle plate 15 described in this embodiment, is set with baffle plate 15 on the body of rod of said stator bar 5.The setting of baffle plate 15 is to play the effect of blocking when working in crucible for the present invention, prevents that aluminium alloy melt from spilling in refining process outside the crucible and hurt operator, guarantees that safety of the present invention carries out work smoothly.Other method steps and embodiment six phase are together.
In conjunction with embodiment one, two, three, four, five, six and seven principle of work of the present invention and operating process are described:
Principle of work of the present invention: rely on the relative movement of stator bar 5 and rotor shaft 7; Utilize the groove of offering on the rotor disk 8 11; Revolve in the brick process through blocking at rotor disk 8 a plurality of second through holes 12 on the stator discs 6; Realize the open and close control of second through hole, 12 ventilations according to the change of rotating speed, is not only realized the open and close to refining gas through the relative rotation between rotor disk 8 and the stator discs 6; And, can realize the pulse (open and close clocklike) of the control of gas because rotating speed is even.
Operating process of the present invention: the present invention is arranged in the crucible that aluminium alloy melt is housed, at first refining gas is entered in the stator bar 5 through associated pipe, enter into the air blowing disk body 13 between stator discs 6 and the rotor disk 8 through a plurality of first through holes 10 on the rotor shaft 7 then; And then, enter into aluminium alloy melt, the refining gas in air blowing disk body 13 through a plurality of second through holes 12 on the stator discs 6; Along with rotor shaft 7 drives rotor disk 8 high speed rotating; Open and close a plurality of second through holes 12 on the stator discs 6, form the pulse bubble, under the certain condition of air-flow; The rotating speed that changes rotor shaft 7 can improve the frequency of bubble generation; When air blowing disk body 13 and first through hole 10 are in normally open, this moment, gas was unobstructed circulation status, had only when rotor shaft 7 rotations; Utilize the non-NULL part on the rotor disk 8 that second through hole 12 on the stator discs 6 is blocked, promptly realize the switching of second through hole 12.

Claims (7)

1. rotary pulsed formula alloy refining device; Said rotary pulsed formula alloy refining device comprises suspension ring (1), motor (2), suspension bracket (3), shaft coupling (4), stator bar (5), stator discs (6), rotor shaft (7) and rotor disk (8), and it is characterized in that: the top of said suspension bracket (3) is fixedly connected with suspension ring (1), and said motor (2) and shaft coupling (4) all are positioned at the inside of suspension bracket (3); Motor (2) is fixedly connected with suspension bracket (3); Shaft coupling (4) is positioned at the below of motor (2), and the upper end of stator bar (5) is fixedly connected on the suspension bracket (3), and an end of said rotor shaft (7) is sleeved on the inside of stator bar (5) and is connected with rotor disk (8); The other end of rotor shaft (7) is connected with the output shaft of motor (2) through shaft coupling (4); Rotor shaft (7) sidewall is processed with a plurality of first through holes (10) near lower end, and stator bar (5) sidewall is processed with inlet mouth (16) near upper end, and the lower end of stator bar (5) is fixedly connected with stator discs (6); The periphery of the lower surface of stator discs (6) is provided with annular boss; Rotor disk (8) is positioned at the bottom of stator discs (6), and the upper surface of rotor disk (8) is pressed close to the lower surface of the annular boss of stator discs (6) mutually, constitutes air blowing disk body (13) by stator discs (6) and rotor disk (8); The upper surface of rotor disk (8) is processed with many grooves (11); Be processed with a plurality of second through holes (12) on the card of stator discs (6), form venting channels (9) between rotor shaft (7) and the stator bar (5), said venting channels (9) is communicated with air blowing disk body (13) through a plurality of first through holes (10).
2. rotary pulsed formula alloy refining device according to claim 1, it is characterized in that: the diameter of said second through hole (12) is 0.5~2.0mm.
3. rotary pulsed formula alloy refining device according to claim 1 and 2 is characterized in that: the junction sealing of said stator bar (5) and rotor shaft (7) upper end is provided with, and the junction sealing of stator bar (5) and stator discs (6) is provided with.
4. rotary pulsed formula alloy refining device according to claim 3, it is characterized in that: said many grooves (11) are symmetrical set with respect to the medullary ray of rotor disk (8).
5. rotary pulsed formula alloy refining device according to claim 4 is characterized in that: said a plurality of second through holes (12) are that the center is distributed on the end face of stator discs (6) with the center of circle of stator discs (6).
6. according to claim 2,4 or 5 described rotary pulsed formula alloy refining devices; It is characterized in that: said rotary pulsed formula alloy refining device also comprises fastening spring (14), and said fastening spring (14) is sleeved on the below that rotor shaft (7) went up and be positioned at shaft coupling (4).
7. rotary pulsed formula alloy refining device according to claim 6 is characterized in that: said rotary pulsed formula alloy refining device also comprises baffle plate (15), is set with baffle plate (15) on the body of rod of said stator bar (5).
CN 201210358862 2012-09-24 2012-09-24 Rotary pulse type aluminum alloy refining device Expired - Fee Related CN102828041B (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN103642987A (en) * 2013-12-19 2014-03-19 西南铝业(集团)有限责任公司 Degassing unit for smelting furnace
CN104232915A (en) * 2013-06-14 2014-12-24 远轻铝业(中国)有限公司 Aluminium hub melting soup purifying device
CN104975188A (en) * 2014-04-10 2015-10-14 苏州博能炉窑科技有限公司 Aluminum melt degassing device
CN107406907A (en) * 2015-03-13 2017-11-28 伦敦布鲁内尔大学 Purify alloy melt
CN107460333A (en) * 2016-06-02 2017-12-12 百色学院 A kind of injection air purifying apparatus for aluminium alloy smelting
CN111549236A (en) * 2019-02-28 2020-08-18 宁波锦越新材料有限公司 Linkage piece of purifying and crystallizing device for ultra-high-purity aluminum

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104232915A (en) * 2013-06-14 2014-12-24 远轻铝业(中国)有限公司 Aluminium hub melting soup purifying device
CN103642987A (en) * 2013-12-19 2014-03-19 西南铝业(集团)有限责任公司 Degassing unit for smelting furnace
CN103642987B (en) * 2013-12-19 2015-12-30 西南铝业(集团)有限责任公司 A kind of degasifying device for smelting furnace
CN104975188A (en) * 2014-04-10 2015-10-14 苏州博能炉窑科技有限公司 Aluminum melt degassing device
CN107406907A (en) * 2015-03-13 2017-11-28 伦敦布鲁内尔大学 Purify alloy melt
CN107460333A (en) * 2016-06-02 2017-12-12 百色学院 A kind of injection air purifying apparatus for aluminium alloy smelting
CN111549236A (en) * 2019-02-28 2020-08-18 宁波锦越新材料有限公司 Linkage piece of purifying and crystallizing device for ultra-high-purity aluminum

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