CN212713696U - Aluminum water degassing device - Google Patents
Aluminum water degassing device Download PDFInfo
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- CN212713696U CN212713696U CN202021556890.1U CN202021556890U CN212713696U CN 212713696 U CN212713696 U CN 212713696U CN 202021556890 U CN202021556890 U CN 202021556890U CN 212713696 U CN212713696 U CN 212713696U
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Abstract
The utility model discloses an aluminium water degassing unit in the field of aluminium liquid processing, including outer furnace body and furnace, the furnace is inside to be provided with the degasification chamber that holds the aluminium water, be provided with heating element between outer furnace body and the furnace, the outer furnace body upside is provided with the bell, the degasification intracavity is vertical to be provided with rotatable pivot one, the axial is provided with gas channel in the pivot one, the gas channel upper end entry of pivot one is linked together with the air supply, pivot one lower extreme is provided with the rotation portion of epitaxy, the rotation portion bottom of epitaxy is provided with the gas outlet, so pivot one is provided with at least three sets of rotating assembly along the axial interval, each set of said rotating assembly includes four stirring parts, each stirring part is inside all to be provided with the branch passageway and is linked together with the; the inner wall of the bottom of the hearth is arc-shaped, and the inner wall of the side surface of the hearth is arranged in a wave shape in the vertical direction. The utility model discloses can make the hydrogen contact of inert gas and aluminium aquatic more thorough, improve the degassing effect.
Description
Technical Field
The utility model belongs to aluminium liquid processing field, in particular to aluminium water degassing unit.
Background
The hub is a rotating part of a wheel core, wherein the wheel core is connected with the inner profile steel of the tire through a stand column, namely a metal part which supports the center of the tire and is arranged on a shaft. The casting method of the aluminum alloy wheel hub comprises two methods: gravity casting and low-pressure precision casting. The gravity casting method utilizes gravity to pour the aluminum alloy solution into the mold, and the aluminum alloy solution is processed and polished by a lathe after being formed, so that the production can be completed. The manufacturing process is simple, a precise casting process is not needed, the cost is low, the production efficiency is high, but air bubbles (sand holes) are easily generated, the density is uneven, and the surface smoothness is not enough. The low-pressure precision casting method is used for precision casting under the low pressure of 0.1Mpa, the casting mode has good formability, clear outline, uniform density and smooth surface, can achieve high strength and light weight, can control the cost, has the yield of more than nine times, and is the mainstream manufacturing method of the high-quality aluminum alloy hub. No matter the gravity casting method or the low-pressure precision casting method, the degassing treatment needs to be carried out on the aluminum alloy solution, the degassing can bring hydrogen and impurity harmful substances in the aluminum liquid to the liquid surface, and the situation that sand holes or grooves exist on the surface of a hub blank cast by the aluminum alloy solution is avoided. However, the existing aluminum water treatment equipment has the following defects: the contact between the inert gas and the hydrogen is not thorough enough, and the hydrogen in the aluminum liquid cannot be thoroughly removed, so that the degassing effect is not ideal enough, and the final aluminum alloy hub blank product quality is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an aluminium water gas removal equipment can make the hydrogen contact of inert gas and aluminium aquatic more thoroughly, detaches hydrogen more thoroughly, improves the degassing effect.
The purpose of the utility model is realized like this: an aluminum water degassing device comprises an outer furnace body and a furnace hearth, wherein a degassing cavity for containing aluminum water is arranged in the furnace hearth, a heating assembly is arranged between the outer furnace body and the furnace hearth, and a furnace cover is arranged on the upper side of the outer furnace body, and is characterized in that a rotatable first rotating shaft is vertically arranged in the degassing cavity, a rotary driving mechanism in transmission connection with the rotating shaft is arranged on the furnace cover, the first rotating shaft is a hollow shaft, a gas channel is axially arranged in the first rotating shaft, an inlet at the upper end of the gas channel of the first rotating shaft is communicated with a gas source, an extension rotating part is arranged at the lower end of the first rotating shaft, and a gas outlet communicated with the gas channel is arranged at the bottom of the extension rotating part, so that at least three groups of rotating assemblies are axially arranged above the extension rotating part at intervals, each group of rotating assemblies comprises, each branch channel is communicated with the gas channel, and the edge of the stirring part is provided with a gas outlet; the bottom inner wall of the hearth is set into a downward convex arc shape, and the side inner wall of the hearth is arranged in a wave shape in the vertical direction.
The utility model discloses the during operation, the aluminium water gets into the gas removal intracavity after, rotary driving mechanism drives a rotation of pivot, the air supply lets in inert gas nitrogen gas or argon gas the gas passage in the pivot one, inert gas is from the extension rotating part, each rotating assembly's stirring portion discharges, the rotating assembly of pivot one is stirred the mixing with the aluminium water simultaneously and is broken up into the microbubble with inert gas, make inert gas and aluminium water fully contact, through reducing the bubble diameter, the sharp increase of the total surface area of these bubbles, hydrogen in inert gas and the aluminium water fully contacts and takes hydrogen to the surface, realize the degasification. Compared with the prior art, the beneficial effects of the utility model reside in that: the gas can be exhausted from each stirring part of each rotating assembly, more inert gas is discharged and is fully contacted with the hydrogen; inert gas can be discharged from the bottom of the first rotating shaft, so that the first rotating shaft can be contacted with hydrogen more thoroughly; and the surface area of the inner wall of the side surface of the wavy hearth is larger, and the microporous high-temperature-resistant glass layer can absorb hydrogen more fully.
As a further improvement, the bottom inner wall and the side inner wall surface of the hearth are both provided with a micropore high temperature resistant glass layer. The microporous high-temperature-resistant glass layer has a surface porous structure and can absorb harmful gases.
As a further improvement, the rotating assembly is provided with three groups, two groups of rotating assemblies which are adjacent from top to bottom are staggered by 120 degrees along the circumferential direction, and the stirring part is a paddle or a rod. Each rotating assembly discharges inert gas from different angles and more fully contacts the hydrogen.
As a further improvement, the horizontal pivot two and the pivot three that are parallel to each other that are provided with in the furnace, pivot two is mutually perpendicular with pivot one, and pivot two is located the left and right sides of pivot one respectively with pivot three, and the structure of pivot two and pivot three is the same with the structure of pivot one, and the gas passage entry of pivot two and pivot three all is linked together with the air supply, and pivot two is connected with another corresponding rotary driving mechanism transmission respectively with pivot three. More inert gases can be discharged through the horizontally arranged rotating shaft II and the horizontally arranged rotating shaft III, and the inert gases are fully scattered.
As a further improvement, the bell is stretched out to the upper end of pivot one, rotary driving mechanism stretches out the belt pulley one of serving including setting up in pivot one, and the belt pulley is connected with the belt pulley two phase of reduction gear output end once the belt, and the reduction gear input is connected with the motor looks transmission, and the gas passage entry of pivot one is linked together through rotary joint, pipeline and air supply in proper order. The motor drives the first rotating shaft to rotate after being decelerated, the inert gas is introduced into the rotating joint through the gas source, the rotatable part of the rotating joint is connected with the first rotating shaft, and the inert gas is introduced into the gas channel.
As a further improvement of the utility model, the heating component is a heating resistance piece.
As a further improvement of the utility model, the side surface of the outer furnace body is provided with an aluminum water inlet.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of the first rotating shaft.
FIG. 3 is a top view of one of the rotating assemblies on the first shaft.
The device comprises an outer furnace body 1, a hearth 2, a degassing cavity 3, a heating assembly 4, a furnace cover 5, a first rotating shaft 6, a gas channel 6a, an epitaxial rotating part 6b, a gas source 7, a gas outlet 8, a rotating assembly 9, a stirring part 10, a branch channel 10a, a microporous high-temperature-resistant glass layer 11, a second rotating shaft 12, a third rotating shaft 13, a first belt pulley 14, a belt 15, a second belt pulley 16, a speed reducer 17, a motor 18, a rotary joint 19, a pipeline 20, an aluminum water inlet 21 and a connecting pipe 22.
Detailed Description
As shown in the figure 1-2, the aluminum water degassing device comprises an outer furnace body 1 and a furnace hearth 2, a degassing cavity 3 for containing aluminum water is arranged inside the furnace hearth 2, a heating assembly 4 is arranged between the outer furnace body 1 and the furnace hearth 2, a furnace cover 5 is arranged on the upper side of the outer furnace body 1, a rotatable rotating shaft I6 is vertically arranged in the degassing cavity 3, a rotary driving mechanism in transmission connection with the rotating shaft I6 is arranged on the furnace cover 5, the rotating shaft I6 is a hollow shaft, a gas channel 6a is axially arranged inside the rotating shaft I6, an inlet at the upper end of the gas channel 6a of the rotating shaft I6 is communicated with a gas source 7, an extension rotating part 6b is arranged at the lower end of the rotating shaft I6, a gas outlet 8 communicated with the gas channel 6a is arranged at the bottom of the extension rotating part 6b, at least three groups of rotating assemblies 9 are axially arranged above the extension rotating part 6b at intervals, each, each stirring part 10 is internally provided with a branch passage 10a, each branch passage 10a is communicated with the gas passage 6a, and the edge of each stirring part 10 is provided with a gas outlet 8; the bottom inner wall of the hearth 2 is set into a downward convex arc shape, and the side inner wall of the hearth 2 is arranged in a wave shape in the vertical direction. The inner wall of the bottom and the inner wall of the side surface of the hearth 2 are both provided with a micropore high temperature resistant glass layer 11. The rotating assemblies 9 are provided with three groups, two groups of the rotating assemblies 9 which are adjacent up and down are staggered by 120 degrees along the circumferential direction, and the stirring part 10 is a rod piece; as shown in fig. 3, the stirring section 10 may have a paddle shape. The upper end of the first rotating shaft 6 extends out of the furnace cover 5, the rotary driving mechanism comprises a first belt pulley 14 arranged at the extending end of the first rotating shaft 6, the first belt pulley 14 is connected with a second belt pulley 16 at the output end of a speed reducer 17 through a belt 15, the input end of the speed reducer 17 is in transmission connection with a motor 18, and the inlet of a gas channel 6a of the first rotating shaft 6 is sequentially communicated with a gas source 7 through a rotary joint 19 and a pipeline 20. The hearth 2 is internally and horizontally provided with a second rotating shaft 12 and a third rotating shaft 13 which are parallel to each other, the second rotating shaft 12 is vertical to the first rotating shaft 6, the second rotating shaft 12 and the third rotating shaft 13 are respectively positioned at the left side and the right side of the first rotating shaft 6, the structures of the second rotating shaft 12 and the third rotating shaft 13 are the same as that of the first rotating shaft 6, the inlets of the gas channels 6a of the second rotating shaft 12 and the third rotating shaft 13 are both communicated with a gas source 7, and the second rotating shaft 12 and the third rotating shaft 13 are respectively in transmission connection with another corresponding rotary driving mechanism. The heating element 4 is a heating resistor. The side surface of the outer furnace body 1 is provided with an aluminum water inlet 21.
The utility model discloses during operation, the molten aluminum gets into except that in the gas chamber 3 after, motor 18 drives pivot one 6 and rotates after the speed reduction, air supply 7 lets in inert gas rotary joint 19, rotary joint 19 can rotatory part is connected with pivot one 6, air supply 7 lets in inert gas nitrogen gas or argon gas passageway 6a, inert gas is from extending rotary part 6b, the stirring portion 10 of each rotating assembly 9 discharges, rotating assembly 9 on the pivot one 6 stirs the molten aluminum mixing simultaneously and breaks up inert gas into the microbubble, make inert gas and molten aluminum fully contact, through reducing the bubble diameter, the total surface area of these bubbles sharply increases, inert gas and the hydrogen in the molten aluminum fully contact and bring hydrogen to the surface, realize the degasification; meanwhile, the gas source 7 introduces inert gas into the gas channels 6a of the second rotating shaft 12 and the third rotating shaft 13 through the connecting pipe 22, and the corresponding rotary driving mechanism drives the second rotating shaft 12 and the third rotating shaft 13 to rotate. The utility model has the advantages that: capable of exhausting gas from each stirring portion 10 of each rotating assembly 9, discharging more inert gas and sufficiently contacting with hydrogen gas; inert gas can be discharged from the bottom of the rotating shaft I6, so that the rotating shaft I can be contacted with hydrogen more thoroughly; and the surface area of the inner wall of the side surface of the wavy hearth 2 is larger, and the microporous high-temperature-resistant glass layer 11 can absorb hydrogen more fully.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (7)
1. An aluminum water degassing device comprises an outer furnace body and a furnace hearth, wherein a degassing cavity for containing aluminum water is arranged in the furnace hearth, a heating assembly is arranged between the outer furnace body and the furnace hearth, and a furnace cover is arranged on the upper side of the outer furnace body, and is characterized in that a rotatable first rotating shaft is vertically arranged in the degassing cavity, a rotary driving mechanism in transmission connection with the rotating shaft is arranged on the furnace cover, the first rotating shaft is a hollow shaft, a gas channel is axially arranged in the first rotating shaft, an inlet at the upper end of the gas channel of the first rotating shaft is communicated with a gas source, an extension rotating part is arranged at the lower end of the first rotating shaft, and a gas outlet communicated with the gas channel is arranged at the bottom of the extension rotating part, so that at least three groups of rotating assemblies are axially arranged above the extension rotating part at intervals, each group of rotating assemblies comprises, each branch channel is communicated with the gas channel, and the edge of the stirring part is provided with a gas outlet; the bottom inner wall of the hearth is set into a downward convex arc shape, and the side inner wall of the hearth is arranged in a wave shape in the vertical direction.
2. The aluminum water degassing device of claim 1, wherein the bottom inner wall and the side inner wall surfaces of the hearth are provided with microporous high temperature resistant glass layers.
3. The aluminum water degassing device according to claim 1 or 2, wherein the rotating assemblies are provided with three groups, two groups of rotating assemblies adjacent to each other are arranged in a staggered manner by 120 degrees in the circumferential direction, and the stirring part is a paddle or a rod.
4. The aluminum water degassing device according to claim 1 or 2, wherein a second rotating shaft and a third rotating shaft are horizontally arranged in the furnace chamber, the second rotating shaft and the third rotating shaft are parallel to each other, the second rotating shaft is perpendicular to the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively positioned at the left side and the right side of the first rotating shaft, the structures of the second rotating shaft and the third rotating shaft are the same as the structure of the first rotating shaft, gas channel inlets of the second rotating shaft and the third rotating shaft are both communicated with a gas source, and the second rotating shaft and the third rotating shaft are respectively in transmission connection with another corresponding rotation driving mechanism.
5. The aluminum water degassing device as claimed in claim 4, wherein the upper end of the first rotating shaft extends out of the furnace cover, the rotary driving mechanism comprises a first belt pulley arranged at the extending end of the first rotating shaft, the first belt pulley is connected with a second belt pulley at the output end of the speed reducer through a belt, the input end of the speed reducer is in transmission connection with a motor, and the inlet of a gas channel of the first rotating shaft is sequentially communicated with a gas source through a rotary joint and a pipeline.
6. The aluminum water degassing apparatus as claimed in claim 1 or 2, wherein said heating means is a heating resistor.
7. The aluminum water degassing device as claimed in claim 1 or 2, wherein the side of the outer furnace body is provided with an aluminum water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021556890.1U CN212713696U (en) | 2020-07-31 | 2020-07-31 | Aluminum water degassing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021556890.1U CN212713696U (en) | 2020-07-31 | 2020-07-31 | Aluminum water degassing device |
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| CN212713696U true CN212713696U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021556890.1U Active CN212713696U (en) | 2020-07-31 | 2020-07-31 | Aluminum water degassing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909451A (en) * | 2021-10-13 | 2022-01-11 | 宁波众创智能科技有限公司 | Continuous on-line degassing quantitative furnace |
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2020
- 2020-07-31 CN CN202021556890.1U patent/CN212713696U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909451A (en) * | 2021-10-13 | 2022-01-11 | 宁波众创智能科技有限公司 | Continuous on-line degassing quantitative furnace |
| CN113909451B (en) * | 2021-10-13 | 2023-09-29 | 宁波众创智能科技有限公司 | Continuous on-line degassing quantitative furnace |
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