CN104975188A - Aluminum melt degassing device - Google Patents
Aluminum melt degassing device Download PDFInfo
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- CN104975188A CN104975188A CN201410142947.6A CN201410142947A CN104975188A CN 104975188 A CN104975188 A CN 104975188A CN 201410142947 A CN201410142947 A CN 201410142947A CN 104975188 A CN104975188 A CN 104975188A
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- degassing
- aluminum melt
- rotor
- flow path
- venting flow
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Abstract
The invention discloses an aluminum melt degassing device which includes a degassing rotor mechanism. The degassing rotor mechanism includes: a driving motor having an output shaft; a rotor joint, which includes a connecting shaft and a gas inlet chamber, wherein the connecting shaft is provided with a first gas flowing channel and is coaxially and drivingly connected to the output shaft of the motor, and the first gas flowing channel is communicated with the gas inlet chamber; and a degassing rotor, which is provided with a second gas flowing channel and is coaxially and drivingly connected to the connecting shaft. The second gas flowing channel is communicated with the first gas flowing channel and exterior, so that the rotation speed error of the degassing rotor is controlled to be within +/- 3 circles and the head of the degassing rotor is controlled to be within 2 mm, thereby not only ensuring degassing effect but also prolonging the service life of the degassing rotor.
Description
Technical field
The present invention relates to a kind of air-removal equipment, be specifically related to a kind of aluminum melt degassing equipment for aluminium alloy casting.
Background technology
Aluminium alloy is in fusion process, because the temperature of aluminium liquid is higher, approximately reach 750 degree, and at this high temperature, aluminium liquid can suck the water vapour in air, water at high temperature can resolve into hydrogen and oxygen, wherein oxygen and aluminium liquid direct reaction generate aluminum oxide, make on the one hand the aluminum alloy surface of casting more coarse, on the other hand because aluminum oxide is very hard, the die wear manufactured a product can be caused again fast, affect the life-span of mould, and hydrogen can make aluminium alloy inside form bubble, thus affect the intensity of aluminium alloy.
Current aluminum melt degassing equipment is mostly by injecting the afterbody of rare gas element by rotor, passage through internal rotor hollow is discharged from the head of rotor, gas is intended into tiny bubble by the rotor of high speed rotating, bubble permeates in the aluminium liquid of whole deaerating chamber, by syphonic effect and chemical reaction, the hydrogen in aluminium liquid is got rid of, and the rotation of rotor is realized by drive unit and rotor connection, current drive unit mainly adopts motor, and carry out drive rotor joint by belt, and then rotor driven rotates, its major cause be the inlet mouth of rotor connection and air outlet point-blank, this type of drive has two shortcomings:
1, along with the passing belt of duration of service easily fluffs, if do not have Timeliness coverage rotor will lose the phenomenon of speed, thus degassing effect is affected;
2, drive unit drives the stationarity of rotor poor, and rotor head shake is more severe, can affect the work-ing life of rotor time serious.
Summary of the invention
Object of the present invention is just to provide a kind of aluminum melt degassing equipment that degassing effect can extend again the work-ing life of degassing rotor that can ensure.
For solving the problem, the invention provides a kind of aluminum melt degassing equipment, comprising degassing rotor mechanism, described degassing rotor mechanism comprises:
Drive-motor, has motor output shaft;
Rotor connection, comprises coupling shaft and air inlet chamber, and described coupling shaft has the first venting flow path and coaxial transmission is connected on described motor output shaft, and described first venting flow path is communicated with described air inlet chamber;
Degassing rotor, has the second venting flow path and coaxial transmission is connected on described coupling shaft, and described second venting flow path is communicated with described first venting flow path and the external world.
Preferably, described first venting flow path and the second venting flow path are axial cavity, and described first venting flow path comprises the first inlet mouth and the first air outlet, and described second venting flow path comprises the second inlet mouth and the second air outlet; The circumferential side wall that described first inlet mouth is arranged at described coupling shaft is communicated with described air inlet chamber; Described first air outlet is arranged on the end face of described coupling shaft; The end face that described second inlet mouth is arranged at described degassing rotor is communicated with described first air outlet; Described first air outlet and the second inlet mouth Flange joint.
Preferably, described second venting flow path is round platform hole; The aperture of described second inlet mouth is greater than the aperture of described second air outlet.
Preferably, the free end of described degassing rotor is also connected with paddle wheel.
Preferably, described aluminum melt degassing equipment also comprises frame, and described drive-motor is fixed in described frame; Described coupling shaft and degassing rotor are rotationally connected with in described frame; Described air inlet chamber to be fixed in described frame and to be rotationally connected with described coupling shaft.
Preferably, described aluminum melt degassing equipment also comprises control device, and described drive-motor is servomotor; Servomotor described in described control device control linkage.
Preferably, described aluminum melt degassing equipment also comprises degasification source of the gas, and described degasification source of the gas is communicated with described air inlet chamber.
Preferably, described aluminum melt degassing equipment also comprises deaerating chamber, described deaerating chamber containing aluminum fluid; Free end and second air outlet of described degassing rotor to be all inserted in described deaerating chamber and to contact described aluminium liquid.
Preferably, described aluminum melt degassing equipment is arranged on aluminium alloy foundry production line, the chute containing aluminum fluid of described aluminium alloy foundry production line; Free end and second air outlet of described degassing rotor to be all inserted in the chute of described aluminium alloy foundry production line and to contact described aluminium liquid.
The beneficial effect of this technical scheme is adopted to be, motor output shaft in the present invention, coupling shaft and degassing rotor successively coaxial transmission connect, can ensure that the speed error of degassing rotor is within ± 3 circles, and the shake of degassing rotor head is within 2mm, not only ensure that degassing effect but also extended work-ing life of degassing rotor; Newly-designed rotor connection in addition, namely coupling shaft and air inlet chamber can air inlet be from the side then vertical enters degassing rotor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment 1 of aluminum melt degassing equipment disclosed by the invention;
Fig. 2 is the structural representation of the embodiment 1 rotor joint of aluminum melt degassing equipment disclosed by the invention;
Fig. 3 is the structural representation of degassing rotor in the embodiment 1 of aluminum melt degassing equipment disclosed by the invention;
Fig. 4 is the structural representation of degassing rotor in the embodiment 2 of aluminum melt degassing equipment disclosed by the invention;
Fig. 5 is the structural representation of the embodiment 3 of aluminum melt degassing equipment disclosed by the invention;
Fig. 6 is the structural representation of the embodiment 4 of aluminum melt degassing equipment disclosed by the invention;
Fig. 7 is the structural representation of the embodiment 5 of aluminum melt degassing equipment disclosed by the invention;
Fig. 8 is the structural representation of the embodiment 6 of aluminum melt degassing equipment disclosed by the invention.
Wherein, 1. drive-motor 11. motor output shaft 21. coupling shaft 211. first venting flow path 212. first air inlet 213. first 22. air inlet chamber 221. inlet pipe 222. clutch shaft bearing 3. degassing rotor 31. second venting flow path 32. second air inlets 33. second of giving vent to anger are given vent to anger the chute of 4. paddle wheel 5. frame 61. shaft coupling 62. second bearing 631,632. flange 7. control device 8. degasification source of the gas 91. deaerating chamber 92. aluminium alloy foundry production lines.
Embodiment
Specific embodiments of the invention are described in detail below in conjunction with accompanying drawing.
Embodiment 1
See Fig. 1-Fig. 3, as shown in legend wherein, a kind of aluminum melt degassing equipment, comprises a degassing rotor mechanism, and above-mentioned degassing rotor mechanism comprises:
One drive-motor 1, has a motor output shaft 11;
One rotor connection, comprise coupling shaft 21 and an air inlet chamber 22, coupling shaft 21 has one first venting flow path 211 and is connected on motor output shaft 11 by shaft coupling 61 coaxial transmission, and the first venting flow path 211 is communicated with air inlet chamber 22;
One degassing rotor 3, has one second venting flow path 31 and by flange 631,632 coaxial transmissions are connected on coupling shaft 21, and the second venting flow path 31 is communicated with the first venting flow path 211 and the external world;
One paddle wheel 4, is connected to the free end of degassing rotor 3;
One frame 5, is fixedly connected with drive-motor 1 and air inlet chamber 22 and is rotationally connected with coupling shaft 21 and/or degassing rotor 3 by the second bearing 62; Air inlet chamber 22 and coupling shaft 21 are rotationally connected by clutch shaft bearing 222.
First venting flow path 211 and the second venting flow path 31 are axial cylindrical bore cavity, and the first venting flow path 211 comprises one first inlet mouth 212 and one first air outlet 213, second venting flow path 31 comprises one second inlet mouth 32 and one second air outlet 33; The circumferential side wall that first inlet mouth 212 is arranged at coupling shaft 21 is communicated with air inlet chamber 22; First air outlet 213 is arranged on the end face of coupling shaft 21; The end face that second inlet mouth 32 is arranged at degassing rotor 3 is communicated with the first air outlet 213; First air outlet 213 and the second inlet mouth 32 are connected by flange 631,632.
Rare gas element (conventional is argon gas or nitrogen) or the mixed gas of rare gas element and chlorine are injected by the inlet pipe 221 of air inlet chamber 22, from the first air inlet, 212 enter the first venting flow path 211, and enter in the second venting flow path 31, finally discharge from the second air outlet 33, the mixed gas of above-mentioned rare gas element or rare gas element and chlorine is dispersed as tiny bubble by the degassing rotor of high speed rotating, bubble permeates into be needed in the aluminium liquid of degasification, by syphonic effect and chemical reaction, hydrogen in aluminium liquid is spread in small bubbles, along with small bubbles float up to bath surface, thus reach the object of dehydrogenation, simultaneously in the process of bubble floating, rely on bubble surface tension force that a part of slag inclusion is taken out of melt, reach the object to refining aluminium fusant.
Embodiment 2
See Fig. 4, as shown in legend wherein, all the other are identical with described embodiment 1, and difference is, the second venting flow path 31 is axial round platform vestibule body; The aperture of the second inlet mouth 32 is greater than the aperture of the second air outlet 33.
The aperture of the second air outlet 33 is less than the aperture of the second inlet mouth 32, because mixed gas volume in rotary course of above-mentioned rare gas element or rare gas element and chlorine increases, therefore for it provides the passage diminished gradually; The pressure of pneumatic outlet can be increased, be convenient to gas and better broken up by the degassing rotor of high speed rotating.
Embodiment 3
See Fig. 5, as shown in legend wherein, all the other are identical with described embodiment 1, and difference is, aluminum melt degassing equipment also comprises a control device 7, and drive-motor 1 is servomotor; Control device 7 control linkage drive-motor 1.
Embodiment 4
See Fig. 6, as shown in legend wherein, all the other are identical with described embodiment 1 or 2, difference is, aluminum melt degassing equipment also comprises a degasification source of the gas 8, and degasification source of the gas 8 is communicated with air inlet chamber 22, and above-mentioned degasification source of the gas is the mixed gas of rare gas element or rare gas element and chlorine; Above-mentioned rare gas element is argon gas or nitrogen.
Embodiment 5
See Fig. 7, as shown in legend wherein, all the other are identical with described embodiment 3, and difference is, above-mentioned aluminum melt degassing equipment also comprises a deaerating chamber 91, deaerating chamber 91 containing aluminum fluid; Free end and second air outlet 33 of degassing rotor 3 are all inserted in above-mentioned aluminium liquid.
Embodiment 6
See Fig. 8, as shown in legend wherein, all the other are identical with described embodiment 3, and difference is, aluminum melt degassing equipment is arranged on aluminium alloy foundry production line, and the second air outlet 33 is communicated with the chute 92 of above-mentioned aluminium alloy foundry production line.
Embodiment 7
All the other are arbitrary identical with described embodiment 1-5, and difference is, the inwall of the first venting flow path and/or the second venting flow path has groove.
The beneficial effect of this technical scheme is adopted to be, motor output shaft in the present invention, coupling shaft and degassing rotor successively coaxial transmission connect, can ensure that the speed error of degassing rotor is within ± 3 circles, and the shake of degassing rotor head is within 2mm, not only ensure that degassing effect but also extended work-ing life of degassing rotor; Newly-designed rotor connection in addition, namely coupling shaft and air inlet chamber can air inlet be from the side then vertical enters degassing rotor.
The above is only the preferred embodiment of the present invention, it should be pointed out that without departing from the concept of the premise of the invention, and can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. an aluminum melt degassing equipment, is characterized in that, comprises degassing rotor mechanism, and described degassing rotor mechanism comprises:
Drive-motor, has motor output shaft;
Rotor connection, comprises coupling shaft and air inlet chamber, and described coupling shaft has the first venting flow path and coaxial transmission is connected on described motor output shaft, and described first venting flow path is communicated with described air inlet chamber;
Degassing rotor, has the second venting flow path and coaxial transmission is connected on described coupling shaft, and described second venting flow path is communicated with described first venting flow path and the external world.
2. aluminum melt degassing equipment according to claim 1, it is characterized in that, described first venting flow path and the second venting flow path are axial cavity, and described first venting flow path comprises the first inlet mouth and the first air outlet, and described second venting flow path comprises the second inlet mouth and the second air outlet; The circumferential side wall that described first inlet mouth is arranged at described coupling shaft is communicated with described air inlet chamber; Described first air outlet is arranged on the end face of described coupling shaft; The end face that described second inlet mouth is arranged at described degassing rotor is communicated with described first air outlet; Described first air outlet and the second inlet mouth Flange joint.
3. aluminum melt degassing equipment according to claim 2, is characterized in that, described second venting flow path is round platform hole; The aperture of described second inlet mouth is greater than the aperture of described second air outlet.
4. aluminum melt degassing equipment according to claim 1, is characterized in that, the free end of described degassing rotor is also connected with paddle wheel.
5. aluminum melt degassing equipment according to claim 1, is characterized in that, described aluminum melt degassing equipment also comprises frame, and described drive-motor is fixed in described frame; Described coupling shaft and degassing rotor are rotationally connected with in described frame; Described air inlet chamber to be fixed in described frame and to be rotationally connected with described coupling shaft.
6. aluminum melt degassing equipment according to claim 1, is characterized in that, described aluminum melt degassing equipment also comprises control device, and described drive-motor is servomotor; Servomotor described in described control device control linkage.
7. aluminum melt degassing equipment according to claim 1, is characterized in that, described aluminum melt degassing equipment also comprises degasification source of the gas, and described degasification source of the gas is communicated with described air inlet chamber.
8., according to the arbitrary described aluminum melt degassing equipment of claim 1-7, it is characterized in that, described aluminum melt degassing equipment also comprises deaerating chamber, described deaerating chamber containing aluminum fluid; Free end and second air outlet of described degassing rotor to be all inserted in described deaerating chamber and to contact described aluminium liquid.
9., according to the arbitrary described aluminum melt degassing equipment of claim 1-7, it is characterized in that, described aluminum melt degassing equipment is arranged on aluminium alloy foundry production line, the chute containing aluminum fluid of described aluminium alloy foundry production line; Free end and second air outlet of described degassing rotor to be all inserted in the chute of described aluminium alloy foundry production line and to contact described aluminium liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410142947.6A CN104975188A (en) | 2014-04-10 | 2014-04-10 | Aluminum melt degassing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410142947.6A CN104975188A (en) | 2014-04-10 | 2014-04-10 | Aluminum melt degassing device |
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| CN104975188A true CN104975188A (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410142947.6A Pending CN104975188A (en) | 2014-04-10 | 2014-04-10 | Aluminum melt degassing device |
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| CN (1) | CN104975188A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107699696A (en) * | 2017-10-19 | 2018-02-16 | 浙江锦运再生资源股份有限公司 | The apparatus and method that a kind of aluminium scrap material regeneration is smelted |
| CN110218879A (en) * | 2019-06-03 | 2019-09-10 | 安徽阿尔泰克铝业材料科技有限公司 | A kind of aluminum anodizing degasification rotor mechanism |
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| JP2011173137A (en) * | 2010-02-23 | 2011-09-08 | Kyocera Corp | Rotary body for stirring molten metal, and degassing treatment apparatus for molten metal, provided therewith |
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| CN203820869U (en) * | 2014-04-10 | 2014-09-10 | 苏州博能炉窑科技有限公司 | Molten aluminum degassing equipment |
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Patent Citations (6)
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| JP2009226444A (en) * | 2008-03-24 | 2009-10-08 | Kyocera Corp | Rotary body for stirring molten metal, and degassing treatment apparatus for molten metal using this |
| JP2011173137A (en) * | 2010-02-23 | 2011-09-08 | Kyocera Corp | Rotary body for stirring molten metal, and degassing treatment apparatus for molten metal, provided therewith |
| CN202246798U (en) * | 2011-09-20 | 2012-05-30 | 张家港市宏翔金属制品有限公司 | Novel molten aluminum refining heat preserving furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107699696A (en) * | 2017-10-19 | 2018-02-16 | 浙江锦运再生资源股份有限公司 | The apparatus and method that a kind of aluminium scrap material regeneration is smelted |
| CN110218879A (en) * | 2019-06-03 | 2019-09-10 | 安徽阿尔泰克铝业材料科技有限公司 | A kind of aluminum anodizing degasification rotor mechanism |
| CN110218879B (en) * | 2019-06-03 | 2024-02-02 | 安徽阿尔泰克铝业材料科技有限公司 | Rotor mechanism for refining and degassing aluminum liquid |
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Application publication date: 20151014 |