CN114959298A - Online vacuum degassing device and process for aluminum alloy - Google Patents
Online vacuum degassing device and process for aluminum alloy Download PDFInfo
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- CN114959298A CN114959298A CN202210495530.2A CN202210495530A CN114959298A CN 114959298 A CN114959298 A CN 114959298A CN 202210495530 A CN202210495530 A CN 202210495530A CN 114959298 A CN114959298 A CN 114959298A
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- degassing
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 28
- 238000009849 vacuum degassing Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000008569 process Effects 0.000 title claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 190
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 188
- 238000007872 degassing Methods 0.000 claims abstract description 165
- 239000007788 liquid Substances 0.000 claims abstract description 97
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000011261 inert gas Substances 0.000 claims abstract description 36
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000001257 hydrogen Substances 0.000 claims abstract description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000009471 action Effects 0.000 claims description 18
- 239000012535 impurity Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 7
- 239000002585 base Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 238000007670 refining Methods 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/068—Obtaining aluminium refining handling in vacuum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/04—Refining by applying a vacuum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to an aluminum alloy online vacuum degassing device and process, and relates to the technical field of online degassing, wherein the aluminum alloy online vacuum degassing device comprises an installation base, a fixed seat is also arranged on the outer side of a fixed shell, and an installation frame and a lifting cylinder are installed on the fixed seat; the mounting frame is provided with a sliding frame; a through groove convenient for mounting the degassing assembly and the linkage assembly is formed in the sliding frame, the degassing assembly and the linkage assembly are movably connected in the through groove, after the buckling of the box cover body and the aluminum water degassing box is finished, a cylinder rod of the lifting cylinder contracts to drive the sliding frame to move downwards along the mounting frame, the lower end of the degassing assembly extends into the preheating pipe at the moment, and the degassing assembly is preheated by hot air generated by aluminum liquid; the inert gas driving rod drives the impeller to drive the rotating shell to rotate, the inert gas enters the sliding shell through the air inlet hole in the sliding shell, the inert gas is ejected out through the air ejecting holes outside the rotating wheel, and bubbles are diffused and raised in the aluminum liquid, so that the hydrogen is removed, and the product quality can be improved.
Description
Technical Field
The invention relates to the technical field of online degassing, in particular to an aluminum alloy online vacuum degassing device and process.
Background
Factors influencing the quality of aluminum and aluminum alloy are various, wherein the hydrogen content, impurities and alkali metal concentration of aluminum liquid are most important to influence the quality of the aluminum alloy. Various large manufacturers and research institutions at home and abroad invest a great deal of resources for research on how to reduce the hydrogen content and the inclusion content in the molten aluminum, so that a plurality of new processes and equipment appear in the market, and the online degassing process can be roughly divided into a gas blowing method, a vacuum refining method, an ultrasonic refining method and the like.
The traditional online degassing equipment needs a plurality of driving elements to be matched for use, for example: utilize the lift of a plurality of cylinders drive equipment and the lock joint of case lid and box, utilize the motor to drive the rotor etc. cost is with high costs, and it is also inconvenient to use moreover.
Disclosure of Invention
Technical problem to be solved
The invention aims to overcome the defects of the prior art, adapt to practical requirements and provide an aluminum alloy online vacuum degassing device and process so as to solve the technical problems.
Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
an aluminum alloy online vacuum degassing device comprises a mounting base, wherein a fixed shell is fixedly mounted above the mounting base, an aluminum water degassing tank and a tank cover mechanism are arranged in the fixed shell, and springs are arranged at four corners of the bottom of the aluminum water degassing tank; the outer side of the fixed shell is also provided with a fixed seat, and the fixed seat is provided with an installation frame and a lifting cylinder; the mounting frame is provided with a sliding frame; the sliding frame is provided with a through groove for facilitating the installation of the degassing assembly and the linkage assembly, and the degassing assembly and the linkage assembly are movably connected in the through groove;
the sliding frame is clamped on the mounting frame and is connected with the mounting frame in a sliding manner, and the bottom of the sliding frame is fixedly connected with a cylinder rod of the lifting cylinder;
a gear is arranged between the degassing component and the linkage component and is movably connected to two side walls of the through groove through a rotating shaft.
As a further technical scheme of the invention, two side walls in the fixed shell are provided with sliding grooves; two parallel sliding strips are arranged on both sides of the aluminum water degassing tank; the sliding strip is connected with the sliding groove in a sliding manner;
an aluminum outlet pipe is arranged on one side of the aluminum water degassing box, and the outer end part of the aluminum outlet pipe is provided with a plug for preventing aluminum liquid from flowing out; the side wall of the fixed shell is provided with an open slot which is convenient for the aluminum outlet pipe to move up and down.
As a further technical solution of the present invention, the case cover mechanism includes a case cover body; a rotary shell is fixedly arranged on one side of the box cover body; the rotating shell is movably connected to a fixed shaft, and two ends of the fixed shaft are fixedly connected with the fixed shell;
an open slot is arranged at the middle position of the rotary shell, and a torsion spring is arranged at the open slot and sleeved on the fixed shaft;
the box cover body is provided with a preheating pipe, and the aperture of the preheating pipe is larger than the diameter of the rotating wheel.
As a further technical scheme of the invention, one end of the torsion spring is propped against the inner wall of the fixed shell, and the other end of the torsion spring is propped against the aluminum water degassing tank;
a rectangular groove is formed in one side, close to the box cover mechanism, of the aluminum water degassing box; the rotary shell is arranged in an L shape, and one end, far away from the box cover body, of the rotary shell is located in a rectangular groove in the side edge of the aluminum water degassing box.
As a further technical scheme of the invention, the degassing component comprises a sliding shell, the top of the sliding shell is fixedly provided with an air inlet disc, one side of the air inlet disc is provided with an air inlet nozzle, the outside of the air inlet nozzle is provided with an air inlet hose, and the air inlet hose is connected with an inert gas pressure tank; a driving impeller is arranged in the air inlet disc;
the driving impeller is fixedly arranged on the rotary gas transmission pipe; the rotary gas transmission pipe is arranged in the sliding shell through a bearing; the bottom of the sliding shell is connected with the rotary air delivery pipe in a sealing way.
As a further technical scheme of the invention, a plurality of air inlets are arranged at the end of the rotary air delivery pipe positioned in the sliding shell, and a rotating wheel is arranged at the bottom of the rotary air delivery pipe; and a plurality of air injection holes are uniformly distributed on the outer side of the rotating wheel.
As a further technical scheme of the invention, the cross section of the sliding shell is arranged in a D shape, and teeth are arranged on the side, close to the gear, of the sliding shell and are in meshed connection with the gear.
As a further technical scheme of the invention, the linkage assembly comprises a driving toothed plate, and the driving toothed plate is in meshed connection with the gear; the top of drive pinion rack be provided with the balancing weight, and be provided with the limiting plate in the below of drive pinion rack, the four corners department at this limiting plate top is provided with spacing post.
An aluminum alloy online vacuum degassing process comprises the following steps:
firstly, pouring and covering aluminum liquid, pouring the aluminum liquid to be degassed into an aluminum liquid degassing tank, when the aluminum liquid is filled in the whole aluminum liquid degassing tank, compressing a spring, moving the aluminum liquid degassing tank down integrally, and at the moment, stirring a rotating shell by a rectangular groove on the inner side of the aluminum liquid degassing tank to drive a tank cover body to turn over and buckle the rotating shell to the aluminum liquid degassing tank, so that the tank cover body and the aluminum liquid degassing tank are buckled;
secondly, preheating a degassing assembly, wherein the degassing assembly is exposed to a normal-temperature environment for a long time, if the degassing assembly is accidentally extended into aluminum water, aluminum liquid splashes, so that the degassing assembly needs to be preheated, after the box cover body and the aluminum water degassing box are buckled, a cylinder rod of a lifting cylinder is contracted to drive a sliding frame to move downwards along an installation frame, at the moment, the lower end of the degassing assembly extends into a preheating pipe, and hot air generated by the aluminum liquid in the aluminum water degassing box is preheated to the lower end of the degassing assembly;
thirdly, locking the box cover mechanism and working the degassing assembly, after preheating is finished, along with the continuous contraction of a cylinder rod of the lifting cylinder, the lower end of the driving toothed plate is abutted against the top of the box cover body and starts to slide upwards until the limiting column is abutted against the bottom of the sliding frame, and the box cover body and the aluminum water degassing box can be locked under the compression of the toothed plate; the sliding shell moves downwards under the matching of the gear, and the rotating wheel is extended into the aluminum liquid through the rotary gas transmission pipe; then opening a valve of an inert gas pressure tank, enabling the inert gas to enter an air inlet disc through an air inlet hose, driving an impeller to drive a rotary shell to rotate through an inert gas driving rod, enabling the inert gas to enter the sliding shell through an air inlet in the sliding shell, then ejecting the inert gas through air ejecting holes in the outer part of a rotating wheel, breaking the bubbles into countless small bubbles through the rotating wheel, and diffusing and rising the small bubbles in aluminum liquid so as to remove hydrogen; in the ascending process of the small bubbles, a part of impurities are brought out of the aluminum liquid to the liquid surface under the action of surface tension to form scum, so that the impurities in the aluminum liquid are removed; meanwhile, the alloy components in the aluminum liquid are more uniform under the stirring action of the rotating wheel;
fourthly, resetting the degassing assembly, namely closing an air source after degassing the aluminum liquid, extending out a cylinder rod of the lifting cylinder, driving the lower end of a toothed plate to be away from the top of the box cover body, pressing a driving toothed plate downwards by a balancing weight, rotating the gear anticlockwise at the moment, lifting the degassing assembly and facilitating opening of the box cover mechanism;
and fifthly, opening the box cover mechanism, after the degassing assembly and the linkage assembly are reset, opening a plug on the outer side of the aluminum outlet pipe to discharge aluminum liquid, pushing the aluminum water degassing box to slowly move upwards by a spring along with continuous discharge of the aluminum liquid, and slowly opening the rotary shell by the torsion spring under the action of self elasticity, so that the opening of the box cover body is realized.
(3) Has the advantages that:
A. in the invention, the pouring and capping of the aluminum liquid, the aluminum liquid to be degassed is poured into the aluminum liquid degassing tank, when the aluminum liquid is filled in the whole aluminum liquid degassing tank, the spring is compressed, the aluminum liquid degassing tank integrally moves downwards, and at the moment, the rectangular groove on the inner side of the aluminum liquid degassing tank stirs the rotating shell to drive the tank cover body to turn over and buckle to the aluminum liquid degassing tank, so that the buckling of the tank cover body and the aluminum liquid degassing tank is realized;
B. in the invention, the degassing component is preheated, because the degassing component is exposed in a normal temperature environment for a long time, if the degassing component extends into the aluminum water in a haste way, aluminum liquid splashes, therefore, the degassing component needs to be preheated, after the box cover body is buckled with the aluminum water degassing box, a cylinder rod of the lifting cylinder contracts to drive the sliding frame to move downwards along the mounting frame, at the moment, the lower end of the degassing component extends into the preheating pipe, and hot gas generated by the aluminum liquid in the aluminum water degassing box preheats the lower end of the degassing component;
C. according to the invention, after preheating is finished, the lower end of the driving toothed plate is propped against the top of the box cover body along with continuous contraction of the cylinder rod of the lifting cylinder, and the box cover body and the aluminum water degassing box can be locked under the compression of the toothed plate until the limiting column is propped against the bottom of the sliding frame; the sliding shell moves downwards under the matching of the gear, and the rotating wheel is extended into the aluminum liquid through the rotary gas transmission pipe; then opening a valve of an inert gas pressure tank, enabling the inert gas to enter an air inlet disc through an air inlet hose, driving an impeller to drive a rotary shell to rotate through an inert gas driving rod, enabling the inert gas to enter the sliding shell through an air inlet in the sliding shell, then ejecting the inert gas through air ejecting holes in the outer part of a rotating wheel, breaking the bubbles into countless small bubbles through the rotating wheel, and diffusing and rising the small bubbles in aluminum liquid so as to remove hydrogen; in the ascending process of the small bubbles, a part of impurities are brought out of the aluminum liquid to the liquid surface under the action of surface tension to form scum, so that the impurities in the aluminum liquid are removed; meanwhile, through the stirring action of the rotating wheel, the alloy components in the molten aluminum are more uniform, and the product quality is improved;
D. in the invention, the degassing component is reset, after molten aluminum is degassed, an air source is closed, the cylinder rod of the lifting cylinder extends out, the lower end of the driving toothed plate is separated from the top of the box cover body, the counter weight block presses the driving toothed plate downwards, at the moment, the gear rotates anticlockwise, and the degassing component is lifted, so that the box cover mechanism is convenient to open;
E. according to the invention, after the box cover mechanism is opened and the degassing component and the linkage component are reset, the plug on the outer side of the aluminum outlet pipe is opened to discharge aluminum liquid, the spring pushes the aluminum water degassing box to move upwards slowly along with continuous discharge of the aluminum liquid, and the torsion spring slowly opens the rotary shell under the action of the elasticity of the torsion spring, so that the opening of the box cover body is realized.
Drawings
FIG. 1 is a schematic structural view of an aluminum alloy on-line vacuum degassing apparatus according to the present invention;
FIG. 2 is a rear view of the aluminum alloy in-line vacuum degassing apparatus of the present invention shown in FIG. 1;
FIG. 3 is a schematic plan view of an aluminum alloy in-line vacuum degassing apparatus according to the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3 in an in-line vacuum degassing apparatus for aluminum alloys of the present invention;
FIG. 5 is a sectional view B-B of FIG. 4 in an in-line vacuum degassing apparatus for aluminum alloys of the present invention;
FIG. 6 is an enlarged schematic view at C of FIG. 4 in an on-line vacuum degassing apparatus for aluminum alloy according to the present invention;
FIG. 7 is a partial cross-sectional view of FIG. 6 in an in-line vacuum degassing apparatus for aluminum alloys of the present invention.
The reference numbers are as follows:
1-mounting base, 2-fixing shell, 3-aluminum water degassing box, 4-box cover mechanism, 5-fixing seat, 6-mounting frame, 7-sliding frame, 8-degassing component, 9-linkage component, 10-gear, 11-spring, 12-open slot, 13-aluminum outlet pipe, 14-lifting cylinder, 15-preheating pipe, 41-box cover body, 42-rotating shell, 43-fixed shaft, 44-torsion spring, 81-air inlet disc, 82-driving impeller, 83-air inlet hose, 84-sliding shell, 85-rotating air pipe, 86-bearing, 87-air inlet hole, 88-rotating wheel, 89-air jet hole, 91-balancing weight, 92-driving toothed plate, 93-limiting plate, 94-limiting column.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 7 and examples:
an aluminum alloy online vacuum degassing device comprises a mounting base 1, wherein a fixed shell 2 is fixedly mounted above the mounting base 1, an aluminum water degassing tank 3 and a tank cover mechanism 4 are arranged inside the fixed shell 2, and springs 11 are arranged at four corners of the bottom of the aluminum water degassing tank 3; a fixed seat 5 is further arranged on the outer side of the fixed shell 2, and a mounting frame 6 and a lifting cylinder 14 are mounted on the fixed seat 5; the mounting frame 6 is provided with a sliding frame 7; a through groove convenient for mounting the degassing component 8 and the linkage component 9 is formed in the sliding frame 7, and the degassing component 8 and the linkage component 9 are movably connected in the through groove;
the mounting frame 6 is provided with a U-shaped groove, the sliding frame 7 is clamped on the mounting frame 6 and is connected with the mounting frame in a sliding manner, and the bottom of the sliding frame 7 is fixedly connected with a cylinder rod of the lifting cylinder 14;
a gear 10 is arranged between the degassing component 8 and the linkage component 9, and the gear 10 is movably connected on two side walls of the through groove through a rotating shaft.
In this embodiment, two side walls inside the fixed housing 2 are provided with sliding grooves; two parallel sliding strips are arranged on both sides of the aluminum water degassing tank 3; the sliding strip is connected with the sliding groove in a sliding manner;
an aluminum outlet pipe 13 is arranged on one side of the aluminum water degassing box 3, and the outer end part of the aluminum outlet pipe 13 is provided with a plug for preventing aluminum liquid from flowing out; an open slot 12 convenient for the aluminum outlet pipe 13 to move up and down is arranged on the side wall of the fixed shell 2.
More specifically, pouring and buckle closure of aluminium liquid, pouring aluminium liquid that will need the degasification into aluminium water degassing tank 3, when treating that aluminium liquid is full of whole aluminium water degassing tank 3, spring 11 is compressed, and aluminium water degassing tank 3 wholly moves down, and the inboard rectangular channel of aluminium water degassing tank 3 stirs rotary shell 42 and drives the upset of case lid body 41 this moment to the aluminium water degassing tank 3 is detained, has realized the lock of case lid body 41 with aluminium water degassing tank 3.
In this embodiment, the cover mechanism 4 includes a cover 41; a rotary shell 42 is fixedly arranged on one side of the box cover body 41; the rotating shell 42 is movably connected to a fixed shaft 43, and two ends of the fixed shaft 43 are fixedly connected with the fixed shell 2;
an open slot is arranged in the middle of the rotary shell 42, a torsion spring 44 is arranged at the open slot, and the torsion spring 44 is sleeved on the fixed shaft 43;
the box cover body 41 is provided with a preheating pipe 15, and the aperture of the preheating pipe 15 is larger than the diameter of the rotating wheel 88.
It is specific a bit, because degassing assembly 8 exposes under normal atmospheric temperature environment for a long time, if with degassing assembly 8 stretch into aluminium water certainly can take place aluminium liquid splash, need carry out preheating to degassing assembly 8 for this reason, finish the back at case lid body 41 and aluminium water degassing box 3 lock, lift cylinder 14's jar pole shrink, drive slipping frame 7 and move down along mounting bracket 6, degassing assembly 8's the lower extreme stretches into in preheating tube 15 this moment, the steam that aluminium liquid in the aluminium water degassing box 3 produced carries out preheating to degassing assembly 8's lower extreme.
In this embodiment, one end of the torsion spring 44 is abutted against the inner wall of the fixed housing 2, and the other end is abutted against the aluminum water degassing tank 3;
a rectangular groove is formed in one side, close to the box cover mechanism 4, of the aluminum water degassing box 3; the rotating casing 42 is arranged in an L shape, and one end of the rotating casing 42, which is far away from the box cover 41, is located in a rectangular groove on the side of the aluminum water degassing box 3.
In this embodiment, the degassing assembly 8 includes a sliding housing 84, an air intake disc 81 is fixedly mounted on the top of the sliding housing 84, an air intake nozzle is arranged on one side of the air intake disc 81, an air intake hose 83 is arranged outside the air intake nozzle, and the air intake hose 83 is connected with an inert gas pressure tank; a driving impeller 82 is arranged in the air inlet disc 81;
the driving impeller 82 is fixedly arranged on the rotary air pipe 85; the rotary air delivery pipe 85 is arranged in the sliding shell 84 through a bearing 86; the bottom of the sliding shell 84 is connected with the rotary air pipe 85 in a sealing way.
In this embodiment, a plurality of air inlets 87 are disposed at the end of the rotary air pipe 85 inside the sliding shell 84, and a rotating wheel 88 is disposed at the bottom of the rotary air pipe 85; a plurality of air injection holes 89 are uniformly distributed on the outer side of the rotating wheel 88.
Specifically, after preheating is completed, along with continuous contraction of a cylinder rod of the lifting cylinder 14, the lower end of the driving toothed plate 92 is abutted against the top of the box cover body 41 and starts to slide upwards until the limiting column 94 abuts against the bottom of the sliding frame 7, and the box cover body 41 and the aluminum water degassing box 3 can be locked under the compression of the toothed plate 92; the sliding shell 84 moves downwards under the matching of the gear 10, and the rotating wheel 88 is extended into the aluminum liquid through the rotary air delivery pipe 85; then opening a valve of an inert gas pressure tank, enabling the inert gas to enter an air inlet disc 81 through an air inlet hose 83, driving an impeller 82 through an inert gas driving rod to drive a rotary shell 42 to rotate, enabling the inert gas to enter the sliding shell 84 through an air inlet hole 87 in the sliding shell 84, then ejecting the inert gas through air ejecting holes 89 in the outer part of a rotating wheel 88, breaking the bubbles into countless small bubbles through the rotating wheel 88, and diffusing and rising the small bubbles in the aluminum liquid so as to remove hydrogen; in the ascending process of the small bubbles, a part of impurities are brought out of the aluminum liquid to the liquid surface under the action of surface tension to form scum, so that the impurities in the aluminum liquid are removed; meanwhile, the alloy components in the aluminum liquid are more uniform through the stirring action of the rotating wheel 88.
In this embodiment, the cross section of the sliding housing 84 is D-shaped, and teeth are disposed on the sliding housing 84 near the gear 10 and meshed with the gear 10.
In this embodiment, the linkage assembly 9 includes a driving toothed plate 92, and the driving toothed plate 92 is in meshed connection with the gear 10; the top of drive toothed plate 92 be provided with balancing weight 91, and be provided with limiting plate 93 below drive toothed plate 92, the four corners department at the top of this limiting plate 93 is provided with spacing post 94.
Specifically, after the aluminum liquid is degassed, the air source is closed, the cylinder rod of the lifting cylinder 14 extends out, the lower end of the driving toothed plate 92 is separated from the top of the box cover body 41, the counterweight block 91 presses the driving toothed plate 92 downwards, and the gear 10 rotates anticlockwise at the moment and lifts the degassing assembly 8, so that the box cover mechanism 4 is opened conveniently;
after the degassing component 8 and the linkage component 9 are reset, the plug on the outer side of the aluminum outlet pipe 13 is opened to discharge the aluminum liquid, the spring 11 pushes the aluminum liquid degassing box 3 to move upwards slowly along with the continuous discharge of the aluminum liquid, and the torsion spring 44 slowly opens the rotary shell 42 under the action of the elasticity of the torsion spring 44, so that the box cover body 41 is opened;
an aluminum alloy online vacuum degassing process comprises the following steps:
firstly, pouring and covering aluminum liquid, pouring the aluminum liquid needing degassing into an aluminum water degassing tank 3, when the aluminum liquid is filled in the whole aluminum water degassing tank 3, compressing a spring 11, moving the aluminum water degassing tank 3 down integrally, and then stirring a rotating shell 42 by a rectangular groove on the inner side of the aluminum water degassing tank 3 to drive a tank cover body 41 to turn over and buckle the tank cover body to the aluminum water degassing tank 3, so that the tank cover body 41 is buckled with the aluminum water degassing tank 3;
secondly, preheating the degassing component 8, wherein the degassing component 8 is exposed to a normal temperature environment for a long time, if the degassing component 8 is accidentally extended into the molten aluminum, aluminum liquid splashes, so that the degassing component 8 needs to be preheated, after the box cover body 41 is completely buckled with the molten aluminum degassing box 3, a cylinder rod of the lifting cylinder 14 is contracted to drive the sliding frame 7 to move downwards along the mounting frame 6, at the moment, the lower end of the degassing component 8 extends into the preheating pipe 15, and hot air generated by the molten aluminum in the molten aluminum degassing box 3 is preheated for the lower end of the degassing component 8;
thirdly, locking the box cover mechanism 4 and operating the degassing assembly 8, after preheating is finished, along with the continuous contraction of the cylinder rod of the lifting cylinder 14, driving the lower end of the toothed plate 92 to be propped against the top of the box cover body 41 and start to slide upwards until the limiting column 94 abuts against the bottom of the sliding frame 7, and locking the box cover body 41 and the aluminum water degassing box 3 can be realized under the compression of the toothed plate 92; the sliding shell 84 moves downwards under the matching of the gear 10, and the rotating wheel 88 is extended into the aluminum liquid through the rotary air delivery pipe 85; then opening a valve of an inert gas pressure tank, leading inert gas to enter an air inlet disc 81 through an air inlet hose 83, driving an impeller 82 through an inert gas driving rod to drive a rotary shell 42 to rotate, leading the inert gas to enter the sliding shell 84 through an air inlet hole 87 in the sliding shell 84, then leading the inert gas to be ejected through an air jet hole 89 outside a runner 88, breaking bubbles into countless small bubbles by the runner 88, and diffusing and rising the small bubbles in aluminum liquid so as to remove hydrogen; in the ascending process of the small bubbles, a part of impurities are brought out of the aluminum liquid to the liquid surface under the action of surface tension to form scum, so that the impurities in the aluminum liquid are removed; meanwhile, the alloy components in the aluminum liquid are more uniform through the stirring action of the rotating wheel 88;
fourthly, resetting the degassing component 8, namely after degassing of the aluminum liquid is finished, closing an air source, extending out a cylinder rod of the lifting cylinder 14, driving the lower end of the toothed plate 92 to leave the top of the box cover body 41, pressing down the driving toothed plate 92 by the counterweight block 91, rotating the gear 10 anticlockwise at the moment, lifting up the degassing component 8 and facilitating opening of the box cover mechanism 4;
and fifthly, opening the box cover mechanism 4, after the degassing component 8 and the linkage component 9 are reset, opening a plug on the outer side of the aluminum outlet pipe 13 to discharge the aluminum liquid, pushing the aluminum water degassing box 3 to slowly move upwards by the spring 11 along with continuous discharge of the aluminum liquid, and slowly opening the rotary shell 42 by the torsion spring 44 under the action of self elasticity, thereby realizing the opening of the box cover body 41.
The working principle is as follows:
in the invention, the pouring and capping of the aluminum liquid, the aluminum liquid to be degassed is poured into the aluminum water degassing tank 3, when the aluminum liquid is filled in the whole aluminum water degassing tank 3, the spring 11 is compressed, the aluminum water degassing tank 3 moves down integrally, and at the moment, the rectangular groove on the inner side of the aluminum water degassing tank 3 stirs the rotating shell 42 to drive the tank cover body 41 to turn over and buckle to the aluminum water degassing tank 3, so that the tank cover body 41 and the aluminum water degassing tank 3 are buckled;
preheating of the degassing component 8, because the degassing component 8 is exposed under the normal temperature environment for a long time, if the degassing component 8 is accidentally stretched into the molten aluminum, aluminum liquid splashes, therefore, the degassing component 8 needs to be preheated, after the box cover body 41 is buckled with the molten aluminum degassing box 3, the cylinder rod of the lifting cylinder 14 is contracted to drive the sliding frame 7 to move downwards along the mounting frame 6, at the moment, the lower end of the degassing component 8 stretches into the preheating pipe 15, and hot gas generated by the molten aluminum in the molten aluminum degassing box 3 is preheated for the lower end of the degassing component 8;
after preheating is finished, along with the continuous contraction of the cylinder rod of the lifting cylinder 14, the lower end of the driving toothed plate 92 is abutted against the top of the box cover body 41 and starts to slide upwards until the limiting column 94 abuts against the bottom of the sliding frame 7, and the box cover body 41 and the aluminum water degassing box 3 can be locked under the compression of the toothed plate 92; the sliding shell 84 moves downwards under the matching of the gear 10, and the rotating wheel 88 is extended into the aluminum liquid through the rotary air delivery pipe 85; then opening a valve of an inert gas pressure tank, enabling the inert gas to enter an air inlet disc 81 through an air inlet hose 83, driving an impeller 82 through an inert gas driving rod to drive a rotary shell 42 to rotate, enabling the inert gas to enter the sliding shell 84 through an air inlet hole 87 in the sliding shell 84, then ejecting the inert gas through air ejecting holes 89 in the outer part of a rotating wheel 88, breaking the bubbles into countless small bubbles through the rotating wheel 88, and diffusing and rising the small bubbles in the aluminum liquid so as to remove hydrogen; in the ascending process of the small bubbles, part of the impurities are brought out of the aluminum liquid to the liquid level under the action of surface tension to form scum, so that the impurities in the aluminum liquid are removed; meanwhile, the alloy components in the aluminum liquid are more uniform through the stirring action of the rotating wheel 88;
the degassing assembly 8 is reset, after the molten aluminum is degassed, the air source is closed, the cylinder rod of the lifting cylinder 14 extends out, the lower end of the driving toothed plate 92 is separated from the top of the box cover body 41, the counterweight block 91 presses down the driving toothed plate 92, and the gear 10 rotates anticlockwise at the moment and lifts the degassing assembly 8, so that the box cover mechanism 4 can be conveniently opened;
after the degassing assembly 8 and the linkage assembly 9 are reset, the box cover mechanism 4 is opened, the plug on the outer side of the aluminum outlet pipe 13 is opened to discharge aluminum liquid, the spring 11 pushes the aluminum water degassing box 3 to move upwards slowly along with continuous discharge of the aluminum liquid, and the torsion spring 44 at the moment slowly opens the rotary shell 42 under the action of self elasticity, so that the box cover body 41 is opened.
Claims (9)
1. An aluminum alloy online vacuum degassing device is characterized by comprising a mounting base (1), wherein a fixed shell (2) is fixedly mounted above the mounting base (1), an aluminum water degassing tank (3) and a tank cover mechanism (4) are arranged in the fixed shell (2), and springs (11) are arranged at four corners of the bottom of the aluminum water degassing tank (3); a fixed seat (5) is further arranged on the outer side of the fixed shell (2), and a mounting frame (6) and a lifting cylinder (14) are mounted on the fixed seat (5); a sliding frame (7) is arranged on the mounting frame (6); a through groove convenient for the installation of the degassing component (8) and the linkage component (9) is formed in the sliding frame (7), and the degassing component (8) and the linkage component (9) are movably connected in the through groove;
the mounting frame (6) is provided with a U-shaped groove, the sliding frame (7) is clamped on the mounting frame (6) and is connected with the mounting frame in a sliding manner, and the bottom of the sliding frame (7) is fixedly connected with a cylinder rod of the lifting cylinder (14);
a gear (10) is arranged between the degassing component (8) and the linkage component (9), and the gear (10) is movably connected to two side walls of the through groove through a rotating shaft.
2. The aluminum alloy in-line vacuum degassing apparatus of claim 1, wherein: two side walls inside the fixed shell (2) are provided with sliding grooves; two parallel sliding strips are arranged on both sides of the aluminum water degassing tank (3); the sliding strip is connected with the sliding groove in a sliding manner;
an aluminum outlet pipe (13) is arranged on one side of the aluminum water degassing box (3), and a plug for preventing aluminum liquid from flowing out is arranged at the outer end part of the aluminum outlet pipe (13); an open slot (12) which is convenient for the aluminum outlet pipe (13) to move up and down is arranged on the side wall of the fixed shell (2).
3. The aluminum alloy in-line vacuum degassing apparatus of claim 1, wherein: the box cover mechanism (4) comprises a box cover body (41); a rotary shell (42) is fixedly arranged on one side of the box cover body (41); the rotating shell (42) is movably connected to a fixed shaft (43), and two ends of the fixed shaft (43) are fixedly connected with the fixed shell (2);
an open slot is arranged in the middle of the rotary shell (42), a torsion spring (44) is arranged at the open slot, and the torsion spring (44) is sleeved on the fixed shaft (43);
the box cover body (41) is provided with a preheating pipe (15), and the aperture of the preheating pipe (15) is larger than the diameter of the rotating wheel (88).
4. The aluminum alloy in-line vacuum degassing apparatus as set forth in claim 3, wherein: one end of the torsion spring (44) is propped against the inner wall of the fixed shell (2), and the other end of the torsion spring is propped against the aluminum water degassing tank (3);
a rectangular groove is formed in one side, close to the box cover mechanism (4), of the aluminum water degassing box (3); the rotary shell (42) is arranged in an L shape, and one end, far away from the box cover body (41), of the rotary shell (42) is located in a rectangular groove in the side edge of the aluminum water degassing box (3).
5. The aluminum alloy in-line vacuum degassing apparatus of claim 1, wherein: the degassing assembly (8) comprises a sliding shell (84), the top of the sliding shell (84) is fixedly provided with an air inlet disc (81), one side of the air inlet disc (81) is provided with an air inlet nozzle, the outside of the air inlet nozzle is provided with an air inlet hose (83), and the air inlet hose (83) is connected with an inert gas pressure tank; a driving impeller (82) is arranged in the air inlet disc (81);
the driving impeller (82) is fixedly arranged on the rotary air delivery pipe (85); the rotary air delivery pipe (85) is arranged in the sliding shell (84) through a bearing (86); the bottom of the sliding shell (84) is connected with the rotary air delivery pipe (85) in a sealing way.
6. The aluminum alloy in-line vacuum degassing apparatus of claim 5, wherein: a plurality of air inlets (87) are arranged at the end of the rotary air conveying pipe (85) positioned in the sliding shell (84), and a rotating wheel (88) is arranged at the bottom of the rotary air conveying pipe (85); a plurality of air injection holes (89) are uniformly distributed on the outer side of the rotating wheel (88).
7. The aluminum alloy in-line vacuum degassing apparatus of claim 6, wherein: the cross section of the sliding shell (84) is arranged in a D shape, and teeth are arranged on the side, close to the gear (10), of the sliding shell (84) and are in meshed connection with the gear (10).
8. The aluminum alloy in-line vacuum degassing apparatus of claim 1, wherein: the linkage assembly (9) comprises a driving toothed plate (92), and the driving toothed plate (92) is in meshed connection with the gear (10); the top of drive pinion rack (92) be provided with balancing weight (91), and be provided with limiting plate (93) below drive pinion rack (92), the four corners department at this limiting plate (93) top is provided with spacing post (94).
9. An aluminum alloy on-line vacuum degassing process is characterized in that: the method comprises the following steps:
firstly, pouring and covering aluminum liquid, pouring the aluminum liquid needing degassing into an aluminum water degassing tank (3), when the aluminum liquid is filled in the whole aluminum water degassing tank (3), compressing a spring (11), moving the aluminum water degassing tank (3) down integrally, and then stirring a rotating shell (42) by a rectangular groove on the inner side of the aluminum water degassing tank (3) to drive a tank cover body (41) to overturn and buckle towards the aluminum water degassing tank (3), so that the tank cover body (41) and the aluminum water degassing tank (3) are buckled;
secondly, preheating the degassing component (8), wherein the degassing component (8) is exposed to a normal temperature environment for a long time, if the degassing component (8) is accidentally extended into the molten aluminum, aluminum liquid splashes, so that the degassing component (8) needs to be preheated, after the box cover body (41) and the molten aluminum degassing box (3) are buckled, a cylinder rod of the lifting cylinder (14) is contracted to drive the sliding frame (7) to move downwards along the mounting frame (6), the lower end of the degassing component (8) extends into the preheating pipe (15), and hot air generated in the molten aluminum degassing box (3) preheats the lower end of the degassing component (8);
thirdly, locking the box cover mechanism (4) and operating the degassing assembly (8), after preheating is finished, along with the continuous contraction of a cylinder rod of the lifting cylinder (14), the lower end of the driving toothed plate (92) is propped against the top of the box cover body (41) and starts to slide upwards until the limiting column (94) is propped against the bottom of the sliding frame (7), and the box cover body (41) and the aluminum water degassing box (3) can be locked under the compression of the toothed plate (92); the sliding shell (84) moves downwards under the coordination of the gear (10), and the rotating wheel (88) is extended into the aluminum liquid through the rotary air delivery pipe (85); then opening a valve of an inert gas pressure tank, enabling inert gas to enter an air inlet disc (81) through an air inlet hose (83), driving an impeller (82) to drive a rotary shell (42) to rotate through an inert gas driving rod, enabling the inert gas to enter the sliding shell (84) through an air inlet hole (87) in the sliding shell (84), then enabling the inert gas to be ejected through an air ejecting hole (89) outside a rotating wheel (88), breaking the bubbles into countless small bubbles through the rotating wheel (88), and diffusing and rising the small bubbles in aluminum liquid so as to remove hydrogen; in the ascending process of the small bubbles, a part of impurities are brought out of the aluminum liquid to the liquid surface under the action of surface tension to form scum, so that the impurities in the aluminum liquid are removed; meanwhile, the alloy components in the aluminum liquid are more uniform under the stirring action of the rotating wheel (88);
fourthly, resetting the degassing component (8), closing an air source after degassing the aluminum liquid, extending a cylinder rod of the lifting cylinder (14), enabling the lower end of the driving toothed plate (92) to be away from the top of the box cover body (41), pressing the driving toothed plate (92) downwards by the balancing weight (91), rotating the gear (10) anticlockwise at the moment, lifting the degassing component (8), and facilitating opening of the box cover mechanism (4);
and fifthly, opening the box cover mechanism (4), after the degassing component (8) and the linkage component (9) are reset, opening a plug on the outer side of the aluminum outlet pipe (13) to discharge the aluminum liquid, pushing the aluminum water degassing box (3) to slowly move upwards by the spring (11) along with continuous discharge of the aluminum liquid, and slowly opening the rotary shell (42) by the torsion spring (44) under the action of self elasticity, so that the box cover body (41) is opened.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9610180D0 (en) * | 1996-05-15 | 1996-07-24 | English Christopher J | Trough degassing reactor |
| CN202401116U (en) * | 2011-11-28 | 2012-08-29 | 天津金轮自行车集团有限公司 | Degassing device for casting aluminum alloy |
| CN202576521U (en) * | 2012-03-26 | 2012-12-05 | 昆山市超群金属制品有限公司 | Degassing equipment |
| CN104818392A (en) * | 2015-05-18 | 2015-08-05 | 浙江鑫耐铝熔铸设备材料有限公司 | Aluminum melt purifying and refining device |
| CN211170814U (en) * | 2019-09-17 | 2020-08-04 | 深圳市迈拓铝设备技术有限公司 | Preheating working gas's gas removal equipment case lid |
| CN213977840U (en) * | 2020-12-14 | 2021-08-17 | 宜兴市华井科技有限公司 | High-efficient degasification rotary device |
-
2022
- 2022-05-08 CN CN202210495530.2A patent/CN114959298B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9610180D0 (en) * | 1996-05-15 | 1996-07-24 | English Christopher J | Trough degassing reactor |
| CN202401116U (en) * | 2011-11-28 | 2012-08-29 | 天津金轮自行车集团有限公司 | Degassing device for casting aluminum alloy |
| CN202576521U (en) * | 2012-03-26 | 2012-12-05 | 昆山市超群金属制品有限公司 | Degassing equipment |
| CN104818392A (en) * | 2015-05-18 | 2015-08-05 | 浙江鑫耐铝熔铸设备材料有限公司 | Aluminum melt purifying and refining device |
| CN211170814U (en) * | 2019-09-17 | 2020-08-04 | 深圳市迈拓铝设备技术有限公司 | Preheating working gas's gas removal equipment case lid |
| CN213977840U (en) * | 2020-12-14 | 2021-08-17 | 宜兴市华井科技有限公司 | High-efficient degasification rotary device |
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