CN118086688A - Aluminum product recycling and casting equipment and casting method - Google Patents
Aluminum product recycling and casting equipment and casting method Download PDFInfo
- Publication number
- CN118086688A CN118086688A CN202410526564.2A CN202410526564A CN118086688A CN 118086688 A CN118086688 A CN 118086688A CN 202410526564 A CN202410526564 A CN 202410526564A CN 118086688 A CN118086688 A CN 118086688A
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- main shaft
- tube
- pipe
- shaft tube
- stirring
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 77
- 238000005266 casting Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004064 recycling Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 73
- 238000003756 stirring Methods 0.000 claims abstract description 47
- 238000000746 purification Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 238000003723 Smelting Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000011027 product recovery Methods 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 8
- 238000010926 purge Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- 230000001965 increasing effect Effects 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 37
- 239000001257 hydrogen Substances 0.000 abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000007670 refining Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C22B21/064—Obtaining aluminium refining using inert or reactive gases
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D27/00—Stirring devices for molten material
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to the technical field of aluminum product casting, in particular to aluminum product recycling casting equipment and a casting method. The invention provides an aluminum product recovery casting device, which comprises: the furnace body is used for containing and heating the smelting aluminum materials; a stirring and purifying assembly comprising: a main shaft tube which moves up and down along the axis of the main shaft tube and simultaneously rotates at a variable speed periodically around the axis of the main shaft tube, wherein the upper end of the main shaft tube is opened and is used for forming a purified air flow from top to bottom; the small space purifying unit is uniformly distributed on the main shaft tube and comprises a cylinder body, an inner plunger tube, an inner stirring tube, a wind wheel, an axial rotation and displacement mechanism, and the cylinder body is fixed on the main shaft tube. The device can form a plurality of small purification spaces which are mixed with the aluminum liquid and have variable positions, has good dispersibility of purified gas, can effectively adsorb and discharge harmful substances such as hydrogen and the like, and realizes refining exhaust.
Description
Technical Field
The invention relates to the technical field of aluminum product casting, in particular to aluminum product recycling casting equipment and a casting method.
Background
At present, the need for new aluminum can be reduced by recycling and remelting the waste aluminum, and the resource consumption is reduced.
The waste aluminum can generate hydrogen and other gases in the smelting process to be dissolved in the aluminum liquid, wherein the hydrogen is generated because the waste aluminum or other original aluminum materials possibly contain some hydrogen-containing impurities such as moisture, humidity or organic matters; and hydrogen is also produced when aluminum meets oxygen and undergoes an oxidation reaction. Besides gases such as hydrogen, other inclusions are also included. In the solidification process of the aluminum liquid, hydrogen is difficult to escape from solid aluminum due to high cooling speed, and casting defects such as pinholes, looseness and the like can be caused to influence the performance of the alloy. For the above reasons, in the casting using scrap aluminum, it is necessary to refine the aluminum liquid to ensure the quality of the cast product, and in order to remove the gas and inclusions in the melt, a purge gas, typically nitrogen or argon, is generally used for the treatment. These gases do not react with aluminum and are stable and inert and are therefore used to protect the melt from oxygen and water vapor in the air during smelting, particularly by gas feed, gas bubbling, adsorption of harmful substances to achieve refining exhaust.
In the prior art, mechanical stirring and auxiliary gas (purified gas) stirring are used for smelting more waste aluminum in unit time, the heating furnace for smelting has larger volume, purified gas directly emits aluminum liquid after being introduced into molten aluminum liquid, the time for mixing the purified gas and the aluminum liquid is shorter, meanwhile, relatively smaller space for mixing the purified gas and the aluminum liquid is not formed, the dispersibility of the purified gas is poor, harmful substances such as hydrogen and the like cannot be effectively adsorbed and discharged, and the refining exhaust is not thorough to influence the subsequent casting quality.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides aluminum product recovery casting equipment and a casting method, which can effectively solve the problems that the mixing time of purified gas and aluminum liquid in the prior art is short, a relatively smaller space for mixing with the aluminum liquid is not formed, and the dispersibility of the purified gas is poor.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the invention provides an aluminum product recovery casting device, which comprises:
The furnace body is used for containing and heating the smelting aluminum materials;
Stirring purification subassembly installs in the inside of furnace body, includes:
a main shaft tube which moves up and down along the axis of the main shaft tube and simultaneously rotates at a variable speed periodically around the axis of the main shaft tube, wherein the upper end of the main shaft tube is opened and is used for forming a purified air flow from top to bottom;
The utility model provides a little space purification unit of evenly distributed on the main shaft pipe, little space purification unit includes barrel, interior plunger pipe, interior agitator tube, wind wheel and axial rotation and displacement mechanism, the barrel is fixed in on the main shaft pipe, the outer peripheral face of interior plunger pipe and the airtight cooperation of the inner peripheral face of barrel, the one end of interior plunger pipe towards main shaft pipe is open, the other end is sealed, axial rotation and displacement mechanism set up in the sealed one end of interior plunger pipe, a plurality of outer long notch have evenly been seted up to the barrel of barrel, at least one interior long notch has been seted up to the pipe shaft of interior plunger pipe, interior plunger pipe carries out precession or revolve back the motion under the effect of change centrifugal force and axial rotation and displacement mechanism, form the little purification space of volume variable between barrel and the interior plunger pipe, interior long notch keeps being linked together with one of them outer long notch, interior agitator tube runs through barrel, main shaft pipe setting and rotates with it to be connected, a plurality of gas outlets are evenly seted up in the pipe body of interior agitator tube, the inside agitator tube evenly sets up a plurality of outer long notch, the inside agitator tube evenly is fixed with the wind wheel, the inside agitator tube is in the one end of main shaft pipe is located to be in the fixed to the inside the main shaft pipe.
Further, the width between every two adjacent outer long slots is smaller than the width of the outer long slots.
Further, the axial rotation and displacement mechanism comprises a screw rod, a screw cap and an elastic piece, wherein the screw rod is in transmission threaded connection with the screw cap, the far end of the screw rod and the screw cap is respectively fixed with the inner plunger tube and the cylinder body, the elastic piece is sleeved on the screw rod and the screw cap, and the elastic piece is used for resetting the screw rod or the screw cap when no centrifugal force exists.
Further, the lower end of the main shaft pipe is closed, at least one group of auxiliary shaft pipes distributed in an annular array are communicated with the lower end of the main shaft pipe, a plurality of second exhaust ports are uniformly formed in the pipe body of the auxiliary shaft pipe, and the density of the second exhaust ports is gradually increased from one end close to the main shaft pipe to one end far away from the main shaft pipe.
Further, the stirring purification assembly further comprises a flow guide pipe, the flow guide pipe is coaxially and fixedly arranged in the main shaft pipe, a bottom rod is fixed between the flow guide pipe and the main shaft pipe, and a third air outlet is formed in the corresponding position of the small-space purification unit on the pipe body of the flow guide pipe.
Further, still include perisporium purification subassembly, perisporium purification subassembly is including many indulging the gas outlet four of annular array arrangement on the furnace body, every indulge gas outlet four from last to lower direction density increase gradually, the surface of furnace body and at every fixed cover in every indulge gas outlet everywhere be equipped with the reposition of redundant personnel cover, the reposition of redundant personnel cover has the inboard inclined plane for the furnace body, the width of inboard inclined plane from last to lower direction to the furnace body increases gradually, there is the gas distributor bottom the reposition of redundant personnel cover through the union coupling, gas distributor and main shaft pipe all have high pressure purification gas pitcher through the pipe connection.
Further, still include out liquid subassembly, go out liquid subassembly including evenly seting up the liquid outlet first in the bottom in the furnace body, the airtight rotation of outer bottom of furnace body is provided with the carousel, set up in the carousel with liquid outlet second that the position one-to-one and size are the same, liquid outlet second can be rotatory in order to make carousel and liquid outlet first intercommunication or jam around self axis, the outer bottom of furnace body just is equipped with the liquid collecting hopper at the fixed cover in the outside of carousel.
A casting method for recovering and casting aluminium products includes such steps as adding aluminium material into furnace body, heating for smelting, moving main axle tube up and down around its own axis, and speed-varying rotation, generating purified air flow from top to bottom to wind wheel by main axle tube, introducing the purified air flow to internal stirring tube, rotating internal plunger tube around its own axis and moving it axially under the action of centrifugal force axial rotation and displacement mechanism, changing the volume of small purified space formed by internal plunger tube and cylinder, and sucking and exhausting aluminium liquid in small purified space.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
On one hand, the main shaft tube can rotate at a periodic speed change around the axis of the main shaft tube, so that the centrifugal force borne by the inner plunger tube in the cylinder body is periodically changed, the inner plunger tube axially rotates or retreats relative to the cylinder body under the combined action of the axial rotation and displacement mechanism and the changing centrifugal force, the small purification space formed by the inner plunger tube and the cylinder body is periodically changed, aluminum liquid is pumped into or discharged out of the small purification space, the purification air flow is discharged into the small purification space through the inner stirring tube and the air outlet, and meanwhile, the inner stirring tube and the short rod are driven to rotate through the wind wheel, so that the aluminum liquid and the purification air are fully combined for purification; on the other hand, the main shaft pipe can move up and down along the axis of the main shaft pipe to change the position of the small purification space relative to the furnace body, in the process, the inner long notch is communicated with the outer long notch in different directions, and the purpose is to ensure that aluminum liquid in different positions in the peripheral side of the pumping and discharging cylinder body forms a plurality of small purification spaces which are mixed with the aluminum liquid and have variable positions, so that the dispersion of purified gas is good, harmful substances such as hydrogen can be effectively adsorbed and discharged, and refined exhaust is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained as these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a perspective view of a stirring and purifying assembly in accordance with the present invention;
fig. 6 is an exploded view of the small space purification unit of the present invention.
Reference numerals in the drawings represent respectively: 1. a furnace body; 2. a stirring and purifying assembly; 21. a main shaft tube; 22. a small space purifying unit; 221. a cylinder; 2211. an outer long slot; 222. an inner plunger tube; 2221. an inner long notch; 223. an inner stirring tube; 2231. an air outlet I; 2232. a short bar; 224. a wind wheel; 225. an axial rotation and displacement mechanism; 2251. a screw rod; 2252. a screw cap; 2253. an elastic member; 23. a sub-shaft tube; 231. a second air outlet; 24. a flow guiding pipe; 241. an air outlet III; 242. a bottom bar; 3. a high pressure purge gas tank; 4. a peripheral wall cleaning assembly; 41. a fourth air outlet; 42. a shunt cover; 43. an air separator; 5. a liquid outlet component; 51. a first liquid outlet; 52. a turntable; 53. a second liquid outlet; 54. and a liquid collecting bucket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Examples:
Referring to fig. 1 to 6, an aluminum product recycling and casting device provides the following basic technical scheme, the device comprises a furnace body 1 for containing and heating and smelting aluminum materials and a stirring and purifying assembly 2 for solving the technical problem, and it is to be noted that the furnace body 1 can heat and preserve heat of waste aluminum or other original aluminum materials through a heating coil, and the aluminum liquid in the furnace body 1 is directly cast by a casting mold after being discharged, and the heating coil and the casting mold are both in the prior art and are not drawn in the figure.
Specifically, the stirring and purifying assembly 2 for solving the technical problem comprises:
1. the main shaft tube 21 moves up and down along the self axis and simultaneously rotates around the self axis in a periodical variable speed way, and referring to arrows in fig. 1 and 3, periodical variable speed is realized by alternately reducing and increasing speed, and the compound movement of the main shaft tube 21 is realized by adopting a mechanism (not shown in the drawings) in the prior art, for example, the mechanism comprises a thin gear and a thick gear which are meshed with each other, a servo motor for driving the thick gear, a telescopic device for driving the thin gear and the main shaft tube 21 to move up and down, and a frame for installing the structure, wherein the thin gear is coaxially fixed with the main shaft tube 21, the upper end of the main shaft tube 21 is opened and is used for forming a purifying air flow from top to bottom, and the lower end of the main shaft tube 21 is provided with a related air outlet structure, wherein the purifying air is nitrogen or argon;
2. Referring to fig. 4, the small space purifying unit 22 uniformly distributed on the main shaft tube 21, specifically, the small space purifying unit 22 includes a cylinder 221, an inner plunger tube 222, an inner stirring tube 223, a wind wheel 224, and an axial rotation and displacement mechanism 225, the cylinder 221 is fixed on the main shaft tube 21, the outer circumferential surface of the inner plunger tube 222 is hermetically matched with the inner circumferential surface of the cylinder 221 to prevent aluminum liquid from entering between the inner plunger tube 222 and the cylinder 221, one end of the inner plunger tube 222 facing the main shaft tube 21 is opened, the other end is closed, the axial rotation and displacement mechanism 225 is disposed at the closed end of the inner plunger tube 222, and the inner plunger tube 222 performs a screwing or unscrewing motion (advancing and retreating relative to the main shaft tube 21) under the action of the varying centrifugal force and the axial rotation and displacement mechanism 225.
A plurality of outer long slots 2211 are uniformly formed in the barrel body of the barrel 221, at least one inner long slot 2221 is formed in the barrel body of the inner plunger tube 222, a small purifying space with variable volume is formed between the barrel 221 and the inner plunger tube 222 in the screwing or unscrewing process of the inner plunger tube 222, the inner long slot 2221 is communicated with one of the outer long slots 2211 to enable aluminum liquid to be pumped in or discharged, and the size requirements are as follows: the width between each two adjacent outer slots 2211 is smaller than the width of the outer slots 2211. In the process of small purification space enlargement (the inner plunger tube 222 is rotated back toward the axial rotation and displacement mechanism 225), aluminum liquid on the circumferential side of the cylinder 221 in the furnace body 1 is drawn into the small purification space through a certain outer long notch 2211 and inner long notch 2221, and in the process of small purification space enlargement (the inner plunger tube 222 is rotated in the direction toward the main shaft tube 21), aluminum liquid in the small purification space is discharged, and the aluminum liquid in the small purification space is always kept in a filled state because the cylinder 221 is immersed in the aluminum liquid.
The inner stirring tube 223 penetrates through the cylinder 221 and the main shaft tube 21 and is rotationally connected with the main shaft tube 21, a plurality of first air outlets 2231 are uniformly formed in the tube body of the inner stirring tube 223, short rods 2232 are uniformly and fixedly arranged on the tube body of the inner stirring tube 223, the first air outlets 2231 and the short rods 2232 are distributed in a staggered mode, the wind wheel 224 is fixedly sleeved on the part, located in the main shaft tube 21, of the inner stirring tube 223, and one end, located in the main shaft tube 21, of the inner stirring tube 223 is an open end for air inlet. One part of the purified air flow drives the inner stirring pipe 223 to rotate through the wind wheel 224, the other part of the purified air flow enters the inner stirring pipe 223 and enters the small purifying space through the first air outlet 2231, and the purified air is fully combined with the gases such as hydrogen and the impurities in the small purifying space under the pneumatic stirring and holding of the inner stirring pipe 223 and the short rod 2232, and then is discharged out of the small purifying space.
Wherein, in order to realize the screwing or unscrewing of the inner plunger tube 222 under the centrifugal force, the following arrangement is made: referring to fig. 4, the axial rotation and displacement mechanism 225 includes a screw rod 2251, a screw cap 2252, and an elastic member 2253, where the screw rod 2251 is in driving threaded connection with the screw cap 2252, rather than a self-locking fixed threaded structure, the screw rod 2251 is fixed to the inner plunger tube 222 and the barrel 221 at the end opposite to the screw cap 2252, the screw rod 2251, the screw cap 2252, and the fixed objects of the inner plunger tube 222 and the barrel 221 are not limited, the elastic member 2253 is sleeved on the screw rod 2251 and the screw cap 2252, and the elastic member 2253 is used to reset the screw rod 2251 or the screw cap 2252 when there is no centrifugal force (when the inner plunger tube 222 is not affected by the centrifugal force), so that the inner plunger tube 222 always returns to a trend, and the elastic member 2253 may be a spring.
The cylinder 221 is rotated in synchronization with the main shaft pipe 21 in order to mechanically stir the aluminum liquid in the furnace body 1 in addition to forming a small purification space, and under the stirring action, the aluminum liquid is presented as a low intermediate liquid level and gradually rises toward the circumferential direction, while the following settings are made for forming a purification gas flow: referring to fig. 4, the lower end of the main shaft tube 21 is closed, at least one group of auxiliary shaft tubes 23 distributed in a ring array are communicated on the lower end of the main shaft tube 21, a plurality of second exhaust outlets 231 are uniformly formed in the tube body of the auxiliary shaft tube 23, the purified air from top to bottom enters the auxiliary shaft tube 23 and is discharged into the furnace body 1 through the second exhaust outlets 231, and the utilization effect of the purified air is maximum because the auxiliary shaft tube 23 is positioned at the lowest part of the main shaft tube 21.
The device is provided with the following arrangement for further enhancing the air flow guiding performance: the stirring and purifying assembly 2 further comprises a flow guide pipe 24, the flow guide pipe 24 is coaxially and fixedly arranged in the main shaft pipe 21, a bottom rod 242 is fixed between the flow guide pipe 24 and the main shaft pipe 21, an air outlet III 241 is formed in a corresponding position of the small-space purifying unit 22 on the pipe body of the flow guide pipe 24, through the arrangement, a part of purified air flows from top to bottom through the peripheral side of the main shaft pipe 21, and the other part of purified air enters the flow guide pipe 24 and enters the inner stirring pipe 223 in the corresponding position through the air outlet III 241, so that less purified air is prevented from entering the inner stirring pipe 223.
Because the stirring and purifying assembly 2 has a certain distance with the inner peripheral wall of the furnace body 1, and the liquid level of the aluminum liquid close to the inner peripheral wall of the furnace body 1 is also maximum, the following settings are additionally carried out for further improving the refining effect: referring to fig. 1 and 3, the apparatus further includes a peripheral wall purifying assembly 4, where the peripheral wall purifying assembly 4 includes a plurality of air outlets four 41 arranged on the furnace body 1 in a circular array, and since the aluminum liquid also rotates relatively, the number of the air outlets four 41 is preferably 3-8, and the purifying effect generated by the air outlets four 41 which are closer to the liquid surface of the aluminum liquid is smaller, so that the apparatus is set: in order to adaptively introduce purified gas into the furnace body 1 through the air outlets four 41 and fixedly cover the outer surface of the furnace body 1 at the positions of four 41 of each longitudinal air outlet, a diversion cover 42 is arranged, so that the amount of purified air gradually decreases from bottom to top, namely, the diversion cover 42 is provided with an inner inclined surface relative to the furnace body 1, the width of the inner inclined surface from top to bottom to the furnace body 1 is gradually increased, the distance from the inner inclined surface to the outer circumferential surface of the furnace body 1 is gradually reduced from bottom to top, the amount of purified air entering the furnace body 1 through the air outlets four 41 is gradually reduced, the bottom of the diversion cover 42 is connected with a gas distributor 43 through a pipe, such as an annular pipe in fig. 1, the gas distributor 43 and the main shaft pipe 21 are connected with a high-pressure purified gas tank 3 through pipes, and the pipe is required to be explained, one of the pipes is kept in airtight fit with the main shaft pipe 21 and the flow guide pipe 24, the airtight fit of the high-pressure purified gas tank 3 is in the prior art, the airtight fit is not influenced by the movement of the main shaft 21 and the flow guide pipe 24, the high-pressure purified gas tank 3 is in a high-pressure purified gas state, the high-pressure purified gas can flow out of the air inlet valve 231 is not opened in the air inlet valve 231, and the air outlet opening valve 231 is required to be opened in the air inlet valve 231, and the air outlet 1 is opened in the air outlet 1 (the air outlet is opened in the air inlet valve is opened in the state and the air valve 1).
After the gas of the aluminum liquid is boiled off, waste slag (alumina, inclusions and impurities generated by part of aluminum and oxygen) is generated, and the following settings are made for intercepting the waste slag while discharging the aluminum liquid: referring to fig. 3, the apparatus further includes a liquid outlet assembly 5, the liquid outlet assembly 5 includes a first liquid outlet 51 uniformly formed at the inner bottom of the furnace body 1, a turntable 52 is provided at the outer bottom of the furnace body 1 in an airtight rotation manner, the airtight rotation is in the prior art, a second liquid outlet 53 corresponding to the first liquid outlet 51 one by one and having the same size is formed in the turntable 52, the second liquid outlet 53 can rotate around its own axis to enable the turntable 52 to be communicated with or blocked by the first liquid outlet 51, referring to the arrow in fig. 3, the outlet end of the embedded motor can be fixedly realized with the turntable 52 through the embedded motor, which is in the prior art, and a liquid collecting hopper 54 is fixedly covered at the outer bottom of the furnace body 1 and outside the turntable 52. In the process of refining aluminum liquid, the first liquid outlet 51 is blocked by the rotary table 52, after refining is finished, the first liquid outlet 51 is communicated with the second liquid outlet 53 in a small area by driving the rotary table 52 so as to flow out the aluminum liquid, entrap waste slag, and after the aluminum liquid is completely discharged, the communication area between the first liquid outlet 51 and the second liquid outlet 53 can be increased so as to clean the waste slag.
On the one hand, the main shaft tube 21 can rotate around the axis of the main shaft tube 21 in a periodical speed change manner, so that the centrifugal force borne by the inner plunger tube 222 in the cylinder 221 is periodical, the inner plunger tube 222 axially rotates or retreats relative to the cylinder 221 under the combined action of the axial rotation and displacement mechanism 225 and the variable centrifugal force, the small purifying space formed by the inner plunger tube 222 and the cylinder 221 is periodical changed, aluminum liquid is pumped into or discharged out of the small purifying space, and the purifying air flow is discharged into the small purifying space through the inner stirring tube 223 and the air outlet 2231, and simultaneously, the inner stirring tube 223 and the short rod 2232 are driven to rotate through the wind wheel 224 so that the aluminum liquid and the purifying air are fully combined for purification; on the other hand, the main shaft tube 21 can move up and down along the axis of the main shaft tube to change the position of the small purifying space relative to the furnace body 1, in the process, the inner long groove 2221 is communicated with the outer long grooves 2211 in different directions, so that aluminum liquid at different positions in the peripheral side of the pumping and exhausting cylinder 221 is formed, a plurality of small purifying spaces which are mixed with the aluminum liquid and have variable positions are formed, the dispersibility of purified gas is good, harmful substances such as hydrogen can be effectively adsorbed and exhausted, and refined exhaust is realized.
The aluminum product is added into the furnace body 1 to be heated and melted, the main shaft tube 21 simultaneously moves up and down and rotates at a variable speed around the axis of the furnace body 1, the main shaft tube 21 generates a purified air flow from top to bottom to the wind wheel 224 and the purified air flow is introduced into the inner stirring tube 223, the inner stirring tube 222 simultaneously rotates around the axis of the furnace body and moves axially under the action of the centrifugal force axial rotation and displacement mechanism 225, the volume of a small purified space formed by the inner stirring tube 222 and the cylinder 221 is changed, the inner long groove ports 2221 are communicated with the outer long groove ports 2211 in turn to pump aluminum liquid into the small purified space, the inner stirring tube 223 rotates around the axis of the furnace body due to the influence of the purified air flow on the wind wheel 224, and the short rod 2232 is stirred and simultaneously introduced into the small purified space through the air outlet one 2231.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An aluminum product recovery casting apparatus, comprising:
the furnace body (1), the said furnace body (1) is used for holding, heating and smelting the aluminium material;
Stirring purification subassembly (2), install in the inside of furnace body (1), include:
A main shaft tube (21) which moves up and down along the axis of the main shaft and simultaneously rotates at a variable speed periodically around the axis of the main shaft tube (21), wherein the upper end of the main shaft tube (21) is open and is used for forming a purified air flow from top to bottom;
The small space purifying units (22) are uniformly distributed on the main shaft tube (21), the small space purifying units (22) comprise a cylinder body (221), an inner plunger tube (222), an inner stirring tube (223), a wind wheel (224) and an axial rotation and displacement mechanism (225), the cylinder body (221) is fixed on the main shaft tube (21), the outer peripheral surface of the inner plunger tube (222) is in airtight fit with the inner peripheral surface of the cylinder body (221), the inner plunger tube (222) is opened towards one end of the main shaft tube (21) and is closed at the other end, the axial rotation and displacement mechanism (225) is arranged at the closed end of the inner plunger tube (222), a plurality of outer long notch (2211) are uniformly formed in the cylinder body of the cylinder body (221), at least one inner long notch (2221) is formed in the cylinder body of the inner plunger tube (222), the inner plunger tube (222) is rotated or retreated under the action of the change centrifugal force and the axial rotation and displacement mechanism (225), the cylinder body (221) and the inner stirring tube (223) can form a small space, the inner notch (221) can be uniformly communicated with one stirring tube (223) and the inner stirring tube (223) is uniformly communicated with the other stirring tube (223), the pipe body of the inner stirring pipe (223) is uniformly and fixedly provided with a short rod (2232), the wind wheel (224) is fixedly sleeved on the part of the inner stirring pipe (223) positioned in the main shaft pipe (21), and one end of the inner stirring pipe (223) positioned in the main shaft pipe (21) is an open end.
2. An aluminum product recovery casting apparatus as recited in claim 1, characterized in that a width between each two adjacent ones of the outer long notches (2211) is smaller than a width of the outer long notch (2211).
3. The aluminum product recycling and casting device according to claim 1, wherein the axial rotation and displacement mechanism (225) comprises a screw rod (2251), a screw cap (2252) and an elastic piece (2253), the screw rod (2251) and the screw cap (2252) are in transmission threaded connection, the far end of the screw rod (2251) and the far end of the screw cap (2252) are respectively fixed with the inner plunger tube (222) and the cylinder (221), the elastic piece (2253) is sleeved on the screw rod (2251) and the screw cap (2252), and the elastic piece (2253) is used for resetting the screw rod (2251) or the screw cap (2252) when no centrifugal force exists.
4. The aluminum product recovery casting device according to claim 1, wherein the lower end of the main shaft tube (21) is closed, at least one group of auxiliary shaft tubes (23) distributed in a ring-shaped array are communicated on the lower end of the main shaft tube (21), a plurality of second exhaust ports (231) are uniformly formed in the tube body of the auxiliary shaft tube (23), and the density of the second exhaust ports (231) is gradually increased from one end close to the main shaft tube (21) to one end far away from the main shaft tube (21).
5. The aluminum product recycling and casting device according to claim 1, wherein the stirring and purifying assembly (2) further comprises a flow guide pipe (24), the flow guide pipe (24) is coaxially and fixedly arranged in the main shaft pipe (21), a bottom rod (242) is fixedly arranged between the flow guide pipe (24) and the main shaft pipe (21), and an air outlet III (241) is formed in a corresponding position of the small-space purifying unit (22) on the pipe body of the flow guide pipe (24).
6. The aluminum product recycling and casting device according to claim 1, further comprising a peripheral wall purifying assembly (4), wherein the peripheral wall purifying assembly (4) comprises four air outlets (41) which are arranged on the furnace body (1) in a multi-longitudinal annular array, the density of each four air outlets (41) is gradually increased from top to bottom, a diversion cover (42) is fixedly covered on the outer surface of the furnace body (1) and at each four air outlets (41), the diversion cover (42) is provided with an inner inclined surface corresponding to the furnace body (1), the width of the inner inclined surface from top to bottom gradually increases to the furnace body (1), a gas distributor (43) is connected to the bottom of the diversion cover (42) through a pipe, and the gas distributor (43) and a main shaft pipe (21) are connected with a high-pressure purified gas tank (3) through pipes.
7. The aluminum product recycling and casting device as claimed in claim 1, further comprising a liquid outlet assembly (5), wherein the liquid outlet assembly (5) comprises a first liquid outlet (51) uniformly arranged at the inner bottom of the furnace body (1), a rotary table (52) is arranged at the outer bottom of the furnace body (1) in an airtight rotating manner, a second liquid outlet (53) which corresponds to the first liquid outlet (51) in a one-to-one mode and has the same size is arranged in the rotary table (52), the second liquid outlet (53) can rotate around the axis of the rotary table to enable the rotary table (52) to be communicated with or blocked by the first liquid outlet (51), and a liquid collecting hopper (54) is arranged at the outer bottom of the furnace body (1) and is fixedly covered on the outer side of the rotary table (52).
8. A casting method of an aluminum product recovery casting apparatus according to any one of claims 1 to 7, characterized in that aluminum material is added into a furnace body (1) to be heated and melted, a main shaft tube (21) simultaneously moves up and down around its own axis and rotates at a variable speed, a purge air flow is generated from up to down to a wind wheel (224) through the main shaft tube (21) and is introduced into an inward stirring tube (223), an inner plunger tube (222) simultaneously rotates around its own axis and moves axially under the action of a centrifugal force axial rotation and displacement mechanism (225), the volume of a small purge space formed by the inner plunger tube (222) and a cylinder body (221) is changed, an inner long slot (2221) is communicated with a plurality of outer long slots (2211) to pump out aluminum liquid to the small purge space, the inner stirring tube (223) rotates around its own axis due to the influence of the purge air flow by turns, and a short rod (2232) is stirred while introducing the purge air flow to the small purge space through an air outlet (2231).
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1527572A (en) * | 1977-03-04 | 1978-10-04 | Inst Elektroswarki Patona | Electroslag casting of arcuate blanks |
| CN108950262A (en) * | 2018-08-21 | 2018-12-07 | 陈孝 | A kind of aluminum alloy smelting method |
| CN112853137A (en) * | 2021-01-04 | 2021-05-28 | 宋寒冰 | Preparation method of high-thermal-conductivity aluminum alloy based on ADC12 |
| CN113134595A (en) * | 2021-04-08 | 2021-07-20 | 西北工业大学 | Smelting furnace and smelting method for making chemical components and microstructure of magnesium alloy uniform |
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2024
- 2024-04-29 CN CN202410526564.2A patent/CN118086688B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1527572A (en) * | 1977-03-04 | 1978-10-04 | Inst Elektroswarki Patona | Electroslag casting of arcuate blanks |
| CN108950262A (en) * | 2018-08-21 | 2018-12-07 | 陈孝 | A kind of aluminum alloy smelting method |
| CN112853137A (en) * | 2021-01-04 | 2021-05-28 | 宋寒冰 | Preparation method of high-thermal-conductivity aluminum alloy based on ADC12 |
| CN113134595A (en) * | 2021-04-08 | 2021-07-20 | 西北工业大学 | Smelting furnace and smelting method for making chemical components and microstructure of magnesium alloy uniform |
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