CN112665381A - Alloy powder adding device and method - Google Patents
Alloy powder adding device and method Download PDFInfo
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- CN112665381A CN112665381A CN202011558667.5A CN202011558667A CN112665381A CN 112665381 A CN112665381 A CN 112665381A CN 202011558667 A CN202011558667 A CN 202011558667A CN 112665381 A CN112665381 A CN 112665381A
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Abstract
The invention discloses an alloy powder adding device and method, which comprises a base, a furnace body rotating device, a furnace body, a furnace cover and a feeding and stirring device, wherein the furnace body rotating device is fixedly connected with the base, the furnace body rotating device is fixedly connected with the furnace body and can drive the furnace body to rotate, a furnace chamber with an open upper part is arranged in the furnace body, the furnace cover is buckled at the upper end of the furnace body and is fixedly connected with the furnace body, the lower part of the feeding and stirring device is positioned in the furnace chamber, the upper part of the feeding and stirring device penetrates through the furnace cover and is rotatably connected with the furnace cover, the feeding and stirring device is fixedly arranged, the upper end of the feeding and stirring device is provided with a feeding port. The stirring device and the feeding device are combined into a whole, and the alloy powder can be directly added into the molten alloy. By rotating the furnace body, the alloy powder can be quickly and uniformly fused with the molten alloy. The device has the advantages of simple structure, simple and convenient powder adding process, high powder utilization efficiency, and high and more uniform mixing speed of the powder and the molten alloy.
Description
Technical Field
The invention relates to the field of metal smelting, in particular to an alloy powder adding device and method.
Background
Aluminum is a light metal material widely applied in industrial production, and one or more metal elements or non-metal elements are required to be added during smelting to prepare aluminum alloys with different components or grades so as to meet different performance requirements. When an aluminum alloy is smelted and tested in a laboratory, powder of various elements needs to be added into molten aluminum, and the common elements comprise silicon, iron, copper, manganese, titanium, chromium, zirconium and the like, and also contain a large amount of elements such as sodium, chlorine, fluorine and the like. The laboratory usually adopts ordinary crucible resistance furnace to carry out the smelting experiment to the aluminum alloy, generally adopts to insert the conveyer pipe on the bell jar and send the flux into the top of aluminium melt to the motor drives agitating unit and stirs aluminium melt so that powder and aluminium melt mix and smelt. The mixing time is long, the mixing uniformity is not ideal, and when powder of metal or other elements lighter than aluminum liquid is added, the powder is easily adhered to a bell jar, so that the added materials are not fully dissolved, the burning loss is serious, and the solution quality is influenced. Directly influences the due effect of the functional flux, and leads to unstable quality of the molten aluminum.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an alloy powder adding apparatus which has high powder adding efficiency and makes it possible to mix a powder and a molten alloy more sufficiently.
According to one aspect of the invention, the alloy powder adding device comprises a base, a furnace body rotating device, a furnace body, a furnace cover and a feeding stirring device, wherein the furnace body rotating device is fixedly connected with the base, the furnace body rotating device is fixedly connected with the furnace body and can drive the furnace body to rotate, a furnace chamber with an open upper portion is arranged in the furnace body, the furnace cover is buckled at the upper end of the furnace body and is fixedly connected with the furnace body, the lower portion of the feeding stirring device is positioned in the furnace chamber, the upper portion of the feeding stirring device penetrates through the furnace cover and is rotatably connected with the furnace cover, the feeding stirring device is fixedly arranged, a feeding port is formed in the upper end of the feeding stirring device, and a first discharging port is formed in the lower end of the.
In some embodiments, the feeding and stirring device comprises a feeding main rod, stirring legs and a discharge rod, wherein the feeding main rod is hollow, one end of each stirring leg is fixed on the outer side of the feeding main rod, the stirring legs are distributed in a multi-root and divergent manner, the discharge rod is hollow, one end of the discharge rod is fixed on the middle section of the feeding main rod and is communicated with the inside of the feeding main rod, and the other end of the discharge rod is provided with a second discharge hole.
In some embodiments, the furnace body includes a furnace shell, a holding furnace lining layer disposed on an inner side of the shell, a heating layer disposed on an inner side of the holding furnace lining layer, and a crucible body disposed between the holding furnace lining layer and the crucible body.
In some embodiments, the alloy powder adding device further comprises a heating temperature control device, the heating temperature control device comprises a resistance wire, a temperature sensor and a temperature controller, the resistance wire is located on the heating layer and surrounds the crucible body, the temperature sensor is fixed at one end of the heating layer, the temperature controller is fixed on the base, and the resistance wire and the temperature sensor are respectively and electrically connected with the temperature controller.
In some embodiments, the furnace body rotating device includes bottom suspension strut, upper bracket, gear wheel tray, driving motor and drive gear, the downside and the base fixed connection of bottom suspension strut, the upper end of bottom suspension strut rotates with the lower extreme of upper bracket to be connected, the upper end of upper bracket and the downside fixed connection of gear wheel tray, the upside of gear wheel tray and the bottom fixed connection of furnace body, driving motor and base fixed connection, driving motor's output and drive gear fixed connection can drive gear and rotate, drive gear and gear wheel tray meshing.
According to another aspect of the present invention, there is provided an alloy powder adding method characterized by comprising the steps of:
s1, starting the furnace body rotating device to drive the furnace body to rotate integrally;
s2, starting a temperature controller to adjust the temperature to a preset value, heating the alloy melt in the crucible body of the furnace body, and raising the temperature of the alloy melt in the crucible body to a constant temperature;
s3, adding the alloy powder into the crucible body through the feeding stirring device to be mixed with the alloy melt, keeping the feeding stirring device still, and enabling the feeding stirring device and the furnace body to rotate relatively along with the rotation of the whole furnace body so that the feeding stirring device can stir the alloy powder and the molten alloy to be uniformly mixed;
and S4, cutting off the power supply of the driving motor, stopping rotating and stirring, and controlling the temperature in the furnace body by the temperature controller to keep the temperature of the alloy melt in the crucible body constant.
In some embodiments, the step S1 further includes: the driving motor is started to drive the driving gear to rotate, the driving gear rotates to drive the large gear tray to rotate, and the large gear tray rotates to drive the furnace body to rotate integrally.
In some embodiments, the step S3 further includes: adding alloy powder from a feeding port at the upper end of the material stirring device, and outputting the alloy powder from a first discharging port at the lower end of the feeding stirring device and a second discharging port in the middle of the feeding stirring device into the crucible body to be mixed with the alloy melt.
The invention has the beneficial effects that: the stirring device and the feeding device are integrated, and the feeding stirring device directly adds the alloy powder into the molten alloy instead of adding the alloy powder above the molten alloy. The feeding and stirring device keeps still, the furnace body is driven to rotate through the motor to drive the alloy melt in the furnace body to rotate relative to the feeding and stirring device, so that the alloy powder added by the feeding and stirring device can be fused with the molten alloy quickly, and the stirring legs of the feeding and stirring device can stir the alloy melt to uniformly mix the alloy powder. The alloy powder adding device has the advantages of simple structure, simpler and more convenient powder adding process, higher utilization efficiency of added powder, and more sufficient and more uniform mixing of the powder and the molten alloy.
Drawings
Fig. 1 is a schematic structural view of an alloy powder adding apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of a matching structure of a lower support frame and an upper support frame of the alloy powder adding device shown in fig. 1.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Example 1
Fig. 1 and 2 schematically show an alloy powder adding apparatus according to an embodiment of the present invention.
Referring to fig. 1 and 2, an alloy powder adding device comprises a base 1, a furnace body rotating device 2, a furnace body 3, a furnace cover 4, a feeding stirring device 5 and a heating temperature control device 6. The furnace body rotating device 2 is fixedly connected with the base 1, and the furnace body rotating device 2 is fixedly connected with the furnace body 3 and can drive the furnace body 3 to rotate. The furnace body 3 is internally provided with a furnace chamber 31 with an open upper part, and the furnace cover 4 is buckled at the upper end of the furnace body 3 and is fixedly connected with the furnace body 3. The lower part of the charging and stirring device 5 is positioned in the furnace chamber 31, and the upper part of the charging and stirring device 5 penetrates through the furnace cover 4 and is rotatably connected with the furnace cover 4 through a rolling bearing 7. The fixed setting of reinforced agitating unit 5, the upper end of reinforced agitating unit 5 is equipped with tubaeform charge door 51, and the lower extreme of reinforced agitating unit 5 is equipped with first discharge gate 52.
The furnace body 3 includes a furnace outer shell 31, a heat-insulating furnace lining layer 32, a heating layer 33, and a crucible body 34. The holding furnace lining layer 32 is disposed inside the outer shell 31, the crucible body 34 is disposed inside the holding furnace lining layer 32, and the heating layer 33 is located between the holding furnace lining layer 32 and the crucible body 34. The furnace outer shell 31 can be an iron outer shell, the heat preservation furnace lining 32 can be a masonry layer 321 obtained by building heat-resistant bricks and heat-resistant mortar at the bottom and the peripheral surface in the furnace outer shell 31, then a asbestos fireproof heat preservation layer 322 is laid on the upper edge and the inner wall of the masonry layer 321, and the heat preservation furnace lining 32 can be other high-temperature resistant materials. The bottom of the crucible body 34 is arranged on the masonry layer 321 at the bottom of the shell 31, and the heating layer 33 is a cavity surrounding the circumferential surface of the crucible body 34 and is supported between the crucible body 34 and the heat preservation furnace lining layer 32 by an iron support 35.
The charging stirring device 5 comprises a charging main rod 53, a stirring leg 54 and a discharging rod 55. The feeding main rod 53 is vertically arranged, and the middle part and the lower part of the feeding main rod 53, the stirring leg 54 and the discharging rod 55 are all positioned in the crucible body 34. The feeding main rod 53 is in a hollow tubular shape which is through from top to bottom, the upper end of the feeding main rod 53 is provided with a feeding port 51, and the lower end of the feeding main rod 53 is provided with a first discharging port 52. One end of each stirring leg 54 is fixed on the outer side of the main feeding rod 53, the other end of each stirring leg 54 extends laterally, and the plurality of stirring legs 54 are distributed in a divergent manner by taking the main feeding rod 53 as the center. The discharging rod 55 is hollow, one end of the discharging rod 55 is fixed to the middle section of the feeding main rod 53 and is communicated with the inside of the feeding main rod 53, and the other end of the discharging rod 55 is provided with a second discharging hole 56. The discharging rods 55 can be arranged into a plurality of discharging holes, and the alloy powder can be rapidly and uniformly distributed in the metal solution by arranging more than two discharging holes.
The heating temperature control device 6 comprises a resistance wire 61, a temperature sensor 62 and a temperature controller 63. The resistance wire 61 is positioned on the heating layer 33 and surrounds the crucible body 34, the temperature sensor 62 is fixed at one end of the heating layer 33, and the temperature controller 63 is fixed on the base 1. The resistance wire 61 and the temperature sensor 62 are respectively electrically connected with a temperature controller 63. The temperature controller 63 can automatically control the power on and off of the resistance wire 61, and the temperature controller 63 can receive the temperature signal transmitted by the temperature sensor 62 and control the power on and off of the resistance wire 61 according to the temperature signal transmitted by the temperature sensor 62 so as to regulate the temperature in the furnace body 3. A plurality of high-temperature resistant supporting blocks 36 are arranged on the inner side of the heat-insulating furnace lining layer 32, and the resistance wires 61 are uniformly distributed around the crucible body 34 by supporting the supporting blocks 36.
The furnace body rotating device 2 comprises a lower support frame 21, an upper support frame 22, a large gear tray 23, a driving motor 24, a driving gear 25 and a flange 26. The lower side of the lower support frame 21 is fixedly connected with the base 1 in a welding way, and the upper end of the lower support frame 21 is rotatably connected with the lower end of the upper support frame 22. The upper end of the upper support frame 22 is fixedly connected with the lower side of the large gear tray 23 in a welding way, and the upper side of the large gear tray 23 is fixedly connected with the bottom of the shell 31 of the furnace body 3 through a flange 26. The flange 26 is sleeved outside the shell 31 and is welded and fixed with the shell 31, and the flange 26 is fixedly connected with the large gear tray 23 through screws. The driving motor 24 is fixedly connected with the base 1, and the output end of the driving motor 24 is fixedly connected with the driving gear 25 and can drive the driving gear 25 to rotate. The edge of the bull gear tray 23 is provided with teeth, and the drive gear 25 is engaged with the teeth on the edge of the bull gear tray 23. The rotation of the driving motor 24 can drive the driving gear 25 to rotate and drive the large gear tray 23 to rotate, and the rotation of the large gear tray 23 can drive the whole furnace body 3 to rotate. The two driving motors 24 can be arranged and are positioned at two sides of the large gear tray 23, so that the large gear tray 23 can be stressed evenly to ensure that the furnace body 3 rotates stably.
The lower support frame 21 includes a bottom plate 211 and a support ring seat 212, and the upper support frame 22 includes a tray 221 and a mating ring seat 222. The support ring seat 212 is fixed at the center of the bottom plate 211, and the centers of the support ring seat 212 and the bottom plate 211 are provided with through holes for installing wires. The matching ring seat 222 is fixed at the center of the tray 221, and through holes are formed in the centers of the matching ring seat 222 and the tray 221 for installing wires. The supporting ring seat 212 is matched with the matching ring seat 222, the edge of the through hole in the center of the supporting ring seat 212 is provided with an annular flange 213, and the edge of the through hole in the center of the matching ring seat 222 is provided with a concave ring 223 matched with the annular flange. The annular flange is provided with two metal rings 214 for connecting wires, and the concave ring 223 is provided with two metal sheets 224 corresponding to the metal rings 214. The two metal rings 214 are disposed opposite to each other and are connected to each other, the two metal rings are disposed opposite to the metal sheet 224, and the width of the metal sheet 224 is slightly smaller than the distance between the two metal rings 214. The metal ring 214 and the metal sheet 224 contact each other to realize the current conduction between the lower support frame 21 and the upper support frame 22.
Example 2
This example provides an alloy powder addition method to be applied to an alloy powder addition device of example 1, including the steps of:
s1, starting the furnace body rotating device 2 to drive the furnace body 3 to rotate integrally;
a driving motor 24 of the furnace body rotating device 2 is started to drive a driving gear 25 to rotate, the driving gear 25 rotates to drive a large gear tray 23 to rotate, and the large gear tray 23 rotates to drive the furnace body 3 to integrally rotate.
S2, turning on the temperature controller 63 to adjust the temperature to a preset value, and controlling the power supply of the resistance wire 61 to be conducted by the temperature controller 63 to heat the alloy melt in the crucible body 34, so that the temperature of the alloy melt in the crucible body 34 is increased to a preset temperature value. The temperature sensor 62 transmits a real-time temperature signal to the temperature controller 63, the temperature controller 63 compares a preset temperature value according to the temperature signal, when the real-time temperature is higher than the preset temperature, the power supply of the resistance wire 61 is disconnected, and when the real-time temperature is lower than the preset temperature, the power supply of the resistance wire 61 is conducted, so that the temperature of the alloy melt in the crucible body 34 can be kept constant.
And S3, adding alloy powder into the crucible body 34 through the feeding stirring device 5 to be mixed with the alloy melt. The feeding and stirring device 5 is kept still, and along with the rotation of the whole furnace body 3, the feeding and stirring device 5 and the furnace body 3 rotate relatively to enable the feeding and stirring device 5 to stir the alloy powder and the molten alloy so as to be uniformly mixed.
Alloy powder is added from a feed inlet 51 at the upper end of the material stirring device 5 and is output to the crucible body 34 from a first discharge outlet 52 at the lower end of the material stirring device 5 and a second discharge outlet 56 at the middle part of the material stirring device 5 to be mixed with the alloy melt.
S4, after the stirring is finished, cutting off the power supply of the driving motor to stop the furnace body 3 from rotating and stirring, continuously receiving the real-time temperature signal transmitted by the temperature sensor 62 by the temperature controller, and adjusting the temperature in the furnace body 3 to keep the temperature of the alloy melt in the crucible body 34 constant. The pouring effect can be prevented from being influenced by thickening of the alloy melt due to temperature reduction.
Before the alloy powder adding device is used, aluminum alloy can be melted in an outer furnace to form molten liquid, then the molten liquid is poured into a crucible body 34 of a furnace body 3 of the device, the temperature can be reduced in the pouring process, and the molten state of the aluminum alloy is kept by heating the crucible body 34 through a heating temperature control device 6.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept herein, and it is intended to cover all such modifications and variations as fall within the scope of the invention.
Claims (8)
1. The alloy powder adding device is characterized by comprising a base (1), a furnace body rotating device (2), a furnace body (3), a furnace cover (4) and a feeding stirring device (5), wherein the furnace body rotating device (2) is fixedly connected with the base (1), the furnace body rotating device (2) is fixedly connected with the furnace body (3) and can drive the furnace body (3) to rotate, an open furnace chamber (31) at the upper part is arranged in the furnace body (3), the furnace cover (4) is buckled at the upper end of the furnace body (3) and is fixedly connected with the furnace body (3), the lower part of the feeding stirring device (5) is positioned in the furnace chamber (31), the upper part of the feeding stirring device (5) penetrates through the furnace cover (4) and is rotatably connected with the furnace cover (4), the feeding stirring device (5) is fixedly arranged, a feeding port (51) is arranged at the upper end of the feeding stirring device (5), the lower end of the charging and stirring device (5) is provided with a first discharge hole (52).
2. An alloy powder adding device according to claim 1, wherein the feeding stirring device (5) comprises a feeding main rod (53), stirring legs (54) and a discharging rod (55), the feeding main rod (53) is hollow, one end of each stirring leg (54) is fixed to the outer side of the feeding main rod (53), the stirring legs (54) are arranged in a plurality and distributed in a divergent manner, the discharging rod (55) is hollow, one end of the discharging rod (55) is fixed to the middle section of the feeding main rod (53) and communicated with the inside of the feeding main rod (53), and the other end of the discharging rod (55) is provided with a second discharging hole (56).
3. An alloy powder adding device according to claim 2, wherein said furnace body (3) comprises a furnace outer shell (31), a holding furnace lining layer (32), a heating layer (33) and a crucible body (34), said holding furnace lining layer (32) is disposed inside said outer shell (31), said crucible body (34) is disposed inside said holding furnace lining layer (32), and said heating layer (33) is located between said holding furnace lining layer (32) and said crucible body (34).
4. An alloy powder adding device according to claim 3, further comprising a heating temperature control device (6), wherein the heating temperature control device (6) comprises a resistance wire (61), a temperature sensor (62) and a temperature controller (63), the resistance wire (61) is located on the heating layer (33) and surrounds the crucible body (34), the temperature sensor (62) is fixed at one end of the heating layer (33), the temperature controller (63) is fixed on the base (1), and the resistance wire (61) and the temperature sensor (62) are respectively electrically connected with the temperature controller (63).
5. An alloy powder adding device as defined in any one of claims 1 to 4, wherein: the furnace body rotating device (2) comprises a lower support frame (21), an upper support frame (22), a large gear tray (23), a driving motor (24) and a driving gear (25), the lower side of the lower support frame (21) is fixedly connected with the base (1), the upper end of the lower support frame (21) is rotatably connected with the lower end of the upper support frame (22), the upper end of the upper supporting frame (22) is fixedly connected with the lower side of the bull gear tray (23), the upper side of the large gear tray (23) is fixedly connected with the bottom of the furnace body (3), driving motor (24) and base (1) fixed connection, the output and drive gear (25) fixed connection of driving motor (24) can drive gear (25) and rotate, drive gear (25) and gear wheel tray (23) meshing.
6. An alloy powder adding method is characterized by comprising the following steps:
s1, starting the furnace body rotating device (2) to drive the furnace body (3) to rotate integrally;
s2, opening the temperature controller (63) to adjust the temperature to a preset value, heating the alloy melt in the crucible body (34) of the furnace body (3), and raising the temperature of the alloy melt in the crucible body (34) to a constant temperature;
s3, adding alloy powder into the crucible body (34) through the feeding stirring device (5) to be mixed with the alloy melt, keeping the feeding stirring device (5) still, and enabling the feeding stirring device (5) and the furnace body (3) to rotate relatively along with the rotation of the whole furnace body (3) so that the feeding stirring device (5) can stir the alloy powder and the molten alloy to be uniformly mixed;
s4, cutting off the power supply of the driving motor to stop rotating and stirring, and controlling the temperature in the furnace body (3) by the temperature controller (63) to keep the temperature of the alloy melt in the crucible body (34) constant.
7. An alloy powder adding method as defined in claim 6, wherein said step S1 further comprises: the driving motor (24) is started to drive the driving gear (25) to rotate, the driving gear (25) rotates to drive the large gear tray (23) to rotate, and the large gear tray (23) rotates to drive the furnace body (3) to integrally rotate.
8. An alloy powder adding method as defined in claim 6, wherein said step S3 further comprises: adding alloy powder from a feeding port (51) at the upper end of a material stirring device (5), and outputting the alloy powder from a first discharging port (52) at the lower end of the material stirring device (5) and a second discharging port (56) at the middle part of the material stirring device (5) to a crucible body (34) to be mixed with the alloy melt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558667.5A CN112665381A (en) | 2020-12-25 | 2020-12-25 | Alloy powder adding device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558667.5A CN112665381A (en) | 2020-12-25 | 2020-12-25 | Alloy powder adding device and method |
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| Publication Number | Publication Date |
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| CN112665381A true CN112665381A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011558667.5A Pending CN112665381A (en) | 2020-12-25 | 2020-12-25 | Alloy powder adding device and method |
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| CN (1) | CN112665381A (en) |
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2020
- 2020-12-25 CN CN202011558667.5A patent/CN112665381A/en active Pending
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