CN117628900B - Three-chamber melting furnace for aluminum alloy regeneration - Google Patents
Three-chamber melting furnace for aluminum alloy regeneration Download PDFInfo
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- CN117628900B CN117628900B CN202410085492.2A CN202410085492A CN117628900B CN 117628900 B CN117628900 B CN 117628900B CN 202410085492 A CN202410085492 A CN 202410085492A CN 117628900 B CN117628900 B CN 117628900B
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 16
- 238000002844 melting Methods 0.000 title claims abstract description 14
- 230000008018 melting Effects 0.000 title claims abstract description 14
- 230000008929 regeneration Effects 0.000 title claims abstract description 10
- 238000011069 regeneration method Methods 0.000 title claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 265
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 265
- 239000007788 liquid Substances 0.000 claims abstract description 240
- 238000010438 heat treatment Methods 0.000 claims abstract description 103
- 238000007670 refining Methods 0.000 claims abstract description 72
- 230000007704 transition Effects 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims 3
- 238000009434 installation Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008094 contradictory effect Effects 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
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- 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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- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a three-chamber melting furnace for aluminum alloy regeneration, which comprises the following components: the tower type feeding chamber is provided with a bearing surface for bearing aluminum materials; the aluminum liquid refining chamber is communicated with the tower type feeding chamber; the aluminum liquid heating chamber is arranged at one side of the aluminum liquid refining chamber; the separator is arranged between the aluminum liquid refining chamber and the aluminum liquid heating chamber, the bottom of the separator is provided with an overflow channel, and the upper part of the separator is provided with an overflow channel; the circulating pump is communicated with the aluminum liquid refining chamber; the aluminum scraps adding container is communicated with the output end of the circulating pump and is used for guiding the input aluminum liquid to form vortex, the bottom of the aluminum scraps adding container is provided with an output pipe, and the upper end of the aluminum scraps adding container is provided with an aluminum scraps input pipe; one end of the transition pipe is communicated with the output pipe, and the periphery of the transition pipe is sleeved with a heating coil; one end of the liquid return output pipe is communicated with the transition pipe, and the other end is communicated with the aluminum liquid heating chamber. The furnace door of the heating chamber is hardly opened, and only the door of the refining chamber is opened during refining, so that heat loss of the heating chamber can be reduced; thereby being capable of facilitating feeding, reducing energy loss and saving energy.
Description
Technical Field
The invention relates to the technical field of melting furnaces, in particular to a three-chamber melting furnace for aluminum alloy regeneration.
Background
The automobile light weight is one of effective ways of automobile energy saving and emission reduction, and aluminum alloy is used as a light material which is applied to automobiles earlier and wider, so that the oil consumption and emission of the automobile in the using stage can be effectively reduced, but the emission of a large amount of carbon and other high-pollution substances in the primary ingot production of the automobile seriously influences the carbon emission control in the whole life cycle. The carbon emission in the manufacturing process of the product can be effectively reduced by using the secondary aluminum for production. The application of the lightweight recycled aluminum alloy castings of the systems such as the vehicle body, the power assembly, the interior trim, the chassis and the like is covered, and the carbon emission of the whole vehicle in the using stage can be obviously reduced.
The automobile aluminum alloy parts such as waste aluminum wheels, aluminum steering knuckles and the like are complex in structure, large in size and light in weight, are provided with organic coatings, are used as reclaimed aluminum and need to be subjected to pretreatment such as cleaning, paint removal, crushing and the like in advance, and are subjected to pretreatment by adopting a common double-chamber furnace or a reclaimed aluminum side shaft furnace with a rotary kiln.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the three-chamber melting furnace for aluminum alloy regeneration, which can facilitate feeding and save energy.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a three-chamber melting furnace for aluminum alloy regeneration, comprising: the tower type feeding chamber is provided with a bearing surface for bearing aluminum materials, and the side wall of the tower type feeding chamber is provided with a first heating structure for heating the aluminum materials; the aluminum liquid refining chamber is communicated with the tower type feeding chamber and is used for receiving molten aluminum liquid from the tower type feeding chamber and refining the aluminum liquid; the aluminum liquid heating chamber is arranged at one side of the aluminum liquid refining chamber, and the side wall of the aluminum liquid heating chamber is provided with a second heating structure for continuously adding heat to the aluminum liquid; the partition plate is arranged between the aluminum liquid refining chamber and the aluminum liquid heating chamber and is used for separating the aluminum liquid refining chamber from the aluminum liquid heating chamber, an overflow channel is formed at the bottom of the partition plate, and an air passage is formed at the upper part of the partition plate; the circulating pump is communicated with the aluminum liquid refining chamber; the aluminum scraps adding container is communicated with the output end of the circulating pump and is used for guiding the input aluminum liquid to form vortex, the bottom of the aluminum scraps adding container is provided with an output pipe, and the upper end of the aluminum scraps adding container is provided with an aluminum scraps input pipe; and the drainage piece is used for guiding the aluminum liquid output by the output pipe to the aluminum liquid heating chamber.
Further, the drainage member includes: one end of the transition pipe is communicated with the output pipe, and the periphery of the transition pipe is sleeved with a heating coil; one end of the liquid return output pipe is communicated with the transition pipe, and the other end of the liquid return output pipe is communicated with the aluminum liquid heating chamber; the liquid return output pipe comprises a liquid outlet section extending into the aluminum liquid heating chamber, and the peripheral wall of the liquid outlet section is provided with an aluminum liquid overflow port for inputting aluminum liquid into the aluminum liquid heating chamber.
Further, the device also comprises a first rotary driving mechanism; the liquid return output pipe is provided with a circulating conveying state and a material cleaning state; the liquid return output pipe comprises a connecting section which is arranged outside the aluminum liquid heating chamber, the connecting section is sleeved at the end part of the transition pipe and can rotate along the axis of the transition pipe to realize the switching between a circulating conveying state and a material cleaning state, the connecting section is provided with a circle of driven gear ring, and the rotating end of the first rotary driving mechanism is connected with a transmission gear ring meshed with the driven gear ring; when the liquid return output pipe is in a circulating conveying state, the bottom edge of the aluminum liquid overflow outlet is higher than the bottom of the inner hole of the liquid return output pipe, so that the liquid overflows when the liquid level in the liquid return output pipe is higher than the bottom edge of the aluminum liquid overflow outlet; when the liquid return output pipe is in a material cleaning state, the aluminum liquid overflow port faces downwards.
Further, the transition pipe comprises a vertical pipe section and an inclined straight pipe section; the vertical pipe section is provided with a mounting rod parallel to the inclined straight pipe section, a connecting block is sleeved on the mounting rod, the connecting block is provided with a sleeve hole matched with the mounting rod and can slide along the mounting rod to adjust the position, the connecting block is provided with a threaded hole extending to the inner wall of the sleeve hole, a set screw is arranged on the threaded hole to fix the connecting block, and two ends of the heating coil penetrate through the connecting block.
Further, aluminium bits add the container and include vortex container and ware lid, vortex container upper end opening, bottom and output tube connection, vortex container inner wall is equipped with the drainage bottom plate, one side that the drainage bottom plate deviates from vortex container inner wall is equipped with the drainage curb plate, drainage bottom plate and drainage curb plate form the drainage passageway, the vortex container lateral wall corresponds the drainage passageway and is equipped with opening and vortex container outer wall and corresponds the open position and be equipped with the connection cover, the connection cover outer end is equipped with the connector with the output intercommunication of circulating pump, the ware lid is located vortex container upper end, aluminium bits input tube coupling is in the ware lid, aluminium bits input tube is located the drainage passageway top to make the aluminium bits that get into drop into in the drainage passageway.
Further, a rotating shaft which is horizontally arranged is arranged in the aluminum liquid refining chamber, the rotating shaft can rotate along the axis of the rotating shaft, a poking plate is arranged on the rotating shaft, a second rotary driving mechanism is arranged outside the aluminum liquid refining chamber and is connected with the rotating shaft in a transmission mode to drive the rotating shaft and the poking plate to rotate, and aluminum liquid in the aluminum liquid refining chamber is poked in a direction away from the overcurrent channel.
Further, the rotating end of the second rotary driving mechanism is connected with a stirring shaft extending vertically, stirring blades are arranged at the bottom of the stirring shaft, and the stirring shaft is in transmission connection with the rotating shaft through a transmission shaft; the stirring shaft is provided with a first bevel gear which can synchronously rotate along with the stirring shaft, one end of the transmission shaft is provided with a second bevel gear meshed with the first bevel gear, the other end of the transmission shaft is provided with a worm, and the rotation shaft is provided with a worm wheel matched with the worm.
Further, a driven shaft is rotatably arranged on the gas passing channel, an impeller is arranged on the driven shaft, a third bevel gear capable of synchronously rotating along with the stirring shaft is arranged on the stirring shaft, and a fourth bevel gear meshed with the third bevel gear is arranged at one end of the driven shaft.
Further, the aluminum liquid refining chamber is provided with an aluminum liquid outlet, and the aluminum liquid outlet is arranged at one side far away from the flow passage.
Further, the aluminum liquid refining chamber is provided with a communication port communicated with the tower-type feeding chamber, and the edge of the bottom of the communication port is provided with a drainage plate which extends towards the aluminum liquid heating chamber and inclines downwards so as to cover the upper part of the aluminum liquid outlet.
The invention has the following beneficial effects:
the tower type feeding chamber is used for realizing primary feeding of materials, after feeding, the first heating structure is used for heating the aluminum blocks, so that the aluminum blocks flow into the aluminum liquid refining chamber for refining after being melted, the feeding is convenient, and a furnace door of the aluminum liquid refining chamber is not required to be frequently opened during feeding; in order to ensure that the temperature of the aluminum liquid can be kept during refining, the aluminum liquid can be guided into the aluminum liquid heating chamber by using a circulating pump, and the aluminum liquid is heated by using a second heating structure of the aluminum liquid heating chamber and then enters the aluminum liquid refining chamber through a flow passage, so that the aluminum liquid circulation is realized, the uniformity of aluminum liquid refining is ensured, the aluminum liquid is continuously heated, the furnace door of the heating chamber almost does not need to be opened, only the door of the refining chamber is required to be opened during refining, and the heat loss of the heating chamber can be reduced; thereby being capable of facilitating feeding, reducing energy loss and saving energy.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic overall structure of a first embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic overall structure of a second embodiment of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic diagram of a connection structure of the second rotary driving mechanism, the stirring shaft and the rotating shaft;
FIG. 6 is a schematic diagram of the connection structure of the aluminum scrap adding container, the transition pipe and the liquid return output pipe in a circulating conveying state;
FIG. 7 is a schematic diagram of the connection structure of the aluminum scrap adding container, the transition pipe and the liquid return output pipe in a clean state;
FIG. 8 is a schematic view showing an exploded state structure of the transition pipe and the liquid return output pipe;
fig. 9 is a schematic view showing an exploded state structure of the aluminum scrap addition container;
fig. 10 is a schematic view of a connection structure of a heating coil and a connection block;
fig. 11 is a schematic view showing an exploded state structure of the heating coil and the connection block;
fig. 12 is a partial sectional view of the heating coil and the connection block.
Legend description:
the tower type feeding chamber 100, the bearing surface 110, the first heating structure 120 and the transition surface 130;
the aluminum liquid refining chamber 200, a second rotary driving mechanism 210, a stirring shaft 220, a first bevel gear 221, a third bevel gear 222, stirring blades 230, a transmission shaft 240, a second bevel gear 241, a worm 242, an aluminum liquid outlet 250, a communication port 260, a drainage plate 270, a first mounting rod 280 and a second mounting rod 290;
a molten aluminum heating chamber 300, a second heating structure 310;
baffle 400, flow passage 410, flow passage 420, driven shaft 421, impeller 422, fourth bevel gear 423;
a circulation pump 500;
aluminum scraps adding container 600, output pipe 610, aluminum scraps input pipe 620, vortex container 630, drainage bottom plate 631, drainage side plate 632, drainage channel 633, cover 640, connection cover 650, connection head 651;
transition tube 700, heating coil 710, vertical tube section 720, mounting rod 721, diagonal tube section 730, connection block 740, trepanning 741, threaded hole 742, set screw 743, perforations 744, bell section 750, radial collar 751, chute 760;
a liquid return output pipe 800, a liquid outlet section 810, an aluminum liquid overflow outlet 811, a connecting section 820 and a driven gear ring 821;
a rotating shaft 900, a shifting plate 910 and a worm gear 920.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only 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.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1 and 2, the three-chamber melting furnace for aluminum alloy regeneration according to a preferred embodiment of the present invention includes a tower type loading chamber 100, an aluminum liquid refining chamber 200, an aluminum liquid heating chamber 300, a partition 400, a circulating pump 500, an aluminum scrap adding container 600, and a drainage member.
The tower type feeding chamber 100 is provided with a bearing surface 110 for bearing aluminum materials, the side wall of the tower type feeding chamber 100 is provided with a first heating structure 120 for heating the aluminum materials, and the tower type feeding chamber 100 can add regenerated aluminum materials into the feeding chamber in a material frame lifting mode. The aluminum liquid refining chamber 200 is communicated with the tower type feeding chamber 100 and is used for receiving molten aluminum liquid from the tower type feeding chamber 100 and refining the aluminum liquid; the aluminum liquid heating chamber 300 is arranged at one side of the aluminum liquid refining chamber 200, and a second heating structure 310 is arranged on the side wall of the aluminum liquid heating chamber 300 and used for continuously adding heat to the aluminum liquid; the partition 400 is arranged between the aluminum liquid refining chamber 200 and the aluminum liquid heating chamber 300 and is used for separating the aluminum liquid refining chamber 200 from the aluminum liquid heating chamber 300, a through-flow channel 410 is formed at the bottom of the partition 400, and an air through-flow channel 420 is formed at the upper part of the partition 400, so that the excessive air pressure in the aluminum liquid heating chamber 300 is avoided, redundant hot air can enter the aluminum liquid refining chamber 200, and the temperature difference between the aluminum liquid refining chamber 200 and the aluminum liquid heating chamber 300 is reduced; the circulating pump 500 is communicated with the molten aluminum refining chamber 200; the aluminum scrap adding container 600 is communicated with the output end of the circulating pump 500 and is used for guiding the input aluminum liquid to form vortex, an output pipe 610 is arranged at the bottom of the aluminum scrap adding container 600, and an aluminum scrap input pipe 620 is arranged at the upper end of the aluminum scrap adding container; the aluminum scraps flow along with the aluminum liquid vortex, and the vortex can increase the flow path, so that the aluminum liquid is fully mixed with the aluminum scraps, and the peripheral wall of the aluminum scraps adding container 600 is washed, so that the adhesion of the aluminum scraps on the peripheral wall of the aluminum scraps adding container 600 is reduced. The drainage piece is used for guiding the aluminum liquid output by the output pipe 610 to the aluminum liquid heating chamber 300 so as to realize the circulation of the aluminum liquid.
According to the three-chamber melting furnace for aluminum alloy regeneration, provided by the invention, the tower type feeding chamber 100 is utilized to realize primary feeding of materials, after feeding, the first heating structure 120 is utilized to heat aluminum blocks, so that the aluminum blocks are melted and flow into the aluminum liquid refining chamber 200 for refining, the feeding is convenient, and the furnace door of the aluminum liquid refining chamber 200 is not required to be frequently opened during feeding; in order to ensure that the temperature of the aluminum liquid can be maintained during refining, the aluminum liquid can be guided into the aluminum liquid heating chamber 300 by using the circulating pump 500, and the aluminum liquid is heated by using the second heating structure 310 of the aluminum liquid heating chamber 300 and then enters the aluminum liquid refining chamber 200 through the flow channel 410, so that the aluminum liquid circulation is realized, the uniformity of aluminum liquid refining is ensured, the aluminum liquid is continuously heated, the furnace door of the aluminum liquid heating chamber 300 almost does not need to be opened, only the door of the refining chamber is required to be opened during refining, and the heat loss of the aluminum liquid heating chamber 300 can be reduced; thereby being capable of facilitating feeding, reducing energy loss and saving energy.
It will be appreciated that in order to enable the exhaust gas to be exhausted, exhaust pipes may be provided at the upper ends of the molten aluminum refining chamber 200 and the molten aluminum heating chamber 300. In order to output after the aluminum liquid treatment is completed, an output port and a valve may be provided at the sidewall of the aluminum liquid heating chamber 300.
It will be appreciated that the first heating structure 120 and the second heating structure 310 are both regenerative burners, and consume less power than PCT heating.
In some embodiments of the invention, as shown in fig. 2, the flow guide is a chute 760 that directs molten aluminum to the liquid inlet of the molten aluminum heating chamber 300.
Referring to fig. 4 and 6, in some other embodiments of the invention, the drainage member includes a transition tube 700, a return output tube 800. One end of the transition pipe 700 is communicated with the output pipe 610, and a heating coil 710 is sleeved on the periphery of the transition pipe 700, so that aluminum liquid mixed with aluminum scraps is heated, and the phenomenon that the fluidity is affected due to the fact that the temperature of the aluminum liquid is too low is avoided. It is to be understood that the heating coil 710 may be an electromagnetic induction coil, and is connected to an intermediate frequency power supply, so that the alternating current is connected to the heating coil to heat the heating coil by electromagnetic induction, and of course, the material of the transition tube 700 needs to be a heat-conducting and electric-conducting metal, and the outer wall of the transition tube 700 may be wrapped with a heat-insulating material. Of course, the heating coil 710 may be formed by winding a resistance wire and heating the wire by resistance heating. One end of the liquid return output pipe 800 is communicated with the transition pipe 700, and the other end of the liquid return output pipe 800 is communicated with the aluminum liquid heating chamber 300, so that aluminum liquid is fed into the aluminum liquid heating chamber 300; the liquid return output pipe 800 comprises a liquid outlet section 810 extending into the aluminum liquid heating chamber 300, and an aluminum liquid overflow outlet 811 is arranged on the peripheral wall of the liquid outlet section 810, so that aluminum liquid can uniformly flow into the aluminum liquid heating chamber 300 along the width direction of the aluminum liquid heating chamber 300, and the aluminum liquid uniformly enters into the refining chamber for refining, so that the treatment uniformity is improved. It will be appreciated that as shown in fig. 4, the tapping section 810 extends in the width direction of the aluminum liquid heating chamber 300.
Referring to fig. 6 and 7, in a further embodiment of the present invention, a first rotary drive mechanism is also included; the liquid return output pipe 800 has a circulating conveying state and a material cleaning state; the liquid return output pipe 800 comprises a connecting section 820 arranged outside the aluminum liquid heating chamber 300, the connecting section 820 is sleeved at the end part of the transition pipe 700 and can rotate along the axis of the transition pipe to realize the switching between the circulating conveying state and the material cleaning state, the connecting section 820 is provided with a circle of driven gear ring 821, and the rotating end of the first rotary driving mechanism is connected with a transmission gear ring meshed with the driven gear ring 821; as shown in fig. 6, when the liquid return output pipe 800 is in the circulating and conveying state, the bottom edge of the aluminum liquid overflow outlet 811 is higher than the bottom of the inner hole of the liquid return output pipe 800, so that the liquid level in the liquid return output pipe 800 is higher than the bottom edge of the aluminum liquid overflow outlet 811, and the aluminum liquid can be overflowed uniformly along the width direction of the aluminum liquid heating chamber 300, so that when the aluminum liquid circulates, the aluminum liquid can be overflowed integrally from the bottom edge of the aluminum liquid overflow outlet 811 only when the liquid level in the liquid return output pipe 800 is higher than the bottom edge of the aluminum liquid overflow outlet 811, so that the aluminum liquid can not be completely output at a position close to the connecting section 820, and the aluminum liquid is locally concentrated at a certain position, so that the aluminum liquid can not be uniformly output along the width direction of the aluminum liquid heating chamber 300, and the aluminum liquid flow and the treatment are nonuniform; as shown in fig. 7, when the liquid return output pipe 800 is in the clean state, the aluminum liquid overflow outlet 811 is downward, and the liquid return output pipe 800 will not retain aluminum liquid at this time, but the liquid return output pipe 800 may be designed to be slightly inclined downward in the flow direction, for example, inclined downward by 5 degrees. When the aluminum liquid treatment is completed and the material is required to be cleaned, the first rotary driving mechanism can drive the liquid return output pipe 800 to rotate to a material cleaning state, so that the aluminum liquid is prevented from being reserved and the subsequent cleaning is required.
Referring to fig. 10-12, in a further embodiment of the present invention, a transition tube 700 includes a riser section 720 and a diagonal tube section 730; the upper end of the vertical pipe section 720 is connected with the output pipe 610, and the lower end is connected with the inclined straight pipe section 730; the vertical tube section 720 is provided with a mounting rod 721 parallel to the inclined tube section 730, a connecting block 740 is sleeved on the mounting rod 721, the connecting block 740 is provided with a sleeve hole 741 matched with the mounting rod 721 and can slide along the mounting rod 721 to adjust the position, the connecting block 740 is provided with a threaded hole 742 extending to the inner wall of the sleeve hole 741, a set screw 743 is arranged on the threaded hole 742 to fix the connecting block 740, during adjustment, the set screw 743 can be firstly loosened, the connecting block 740 is slid to a required position, and then the set screw 743 is tightened, so that the position adjustment of the connecting block 740 and the heating coil 710 can be realized. The two ends of the heating coil 710 are arranged on the connecting block 740 in a penetrating way, specifically, the connecting block 740 is provided with a penetrating hole 744 for the two ends of the heating coil 710 to penetrate, the heating coil 710 and the penetrating hole 744 can be in interference fit to realize tight fit or fasten the heating coil 710 by a screw top connected to the connecting block 740, in addition, it can be understood that the connecting block 740 is made of an insulating material. The heating coil 710 is installed and fixed by using the connection block 740 and the set screw 743, and the position of the heating coil 710 can be adjusted by sliding the connection block 740 along the installation rod 721, so that the position adjustment is realized, and the heating coil can be adjusted to a proper position according to actual needs. Of course, the connection block 740 and the heating coil 710 may be provided in plural groups to achieve multi-position heating.
Referring to fig. 8, the transition pipe 700 further includes a sleeve section 750, the liquid return output pipe 800 is sleeved on the sleeve section 750, and the sleeve section 750 is provided with a radial convex ring 751 to limit the axial direction of the liquid return output pipe 800.
Referring to fig. 9, in a further embodiment of the present invention, the aluminum scrap adding container 600 includes a vortex container 630 and a container cover 640, the upper end of the vortex container 630 is opened, the bottom of the vortex container 630 is connected with the output pipe 610, the inner wall of the vortex container 630 is provided with a drainage bottom plate 631, the drainage bottom plate 631 is provided at the middle position of the vortex container 630, one side of the drainage bottom plate 631 facing away from the inner wall of the vortex container 630 is provided with a drainage side plate 632, the drainage bottom plate 631 and the drainage side plate 632 form a drainage channel 633, and the drainage channel 633 is deviated from the center of the vortex container 630, so that when aluminum liquid enters along the drainage channel 633, the aluminum liquid enters the vortex container 630 along the tangential direction, and rotates along the inner wall of the vortex container 630 after the aluminum liquid leaves the drainage channel 633. The side wall of the vortex container 630 is provided with an opening corresponding to the drainage channel 633, the outer wall of the vortex container 630 is provided with a connecting cover 650 corresponding to the opening, the outer end of the connecting cover 650 is provided with a connector 651 communicated with the output end of the circulating pump 500, and aluminum liquid enters the connector 651 from the circulating pump 500 and passes through the outer wall of the vortex container 630 to enter the drainage channel 633, so that the introduction of the aluminum liquid is realized. The cover 640 is covered on the vortex container 630, the aluminum chip input pipe 620 is connected to the cover 640, the aluminum chip input pipe 620 is located above the drainage channel 633, so that the entering aluminum chip falls into the drainage channel 633, the aluminum chip flows along with the aluminum liquid, the vortex can increase the flow path, so that the aluminum liquid is fully mixed with the aluminum chip, the peripheral wall of the aluminum chip adding container 600 is washed, and the adhesion of the aluminum chip on the peripheral wall of the aluminum chip adding container 600 is reduced.
Referring to fig. 3, in some embodiments of the present invention, a horizontally disposed rotating shaft 900 is installed in the aluminum liquid refining chamber 200, the rotating shaft 900 can rotate along its own axis, a dial plate 910 is disposed on the rotating shaft 900, a second rotation driving mechanism 210 is disposed outside the aluminum liquid refining chamber 200, and the second rotation driving mechanism 210 is in transmission connection with the rotating shaft 900 to drive the rotating shaft 900 and the dial plate 910 to rotate, so that the aluminum liquid in the aluminum liquid refining chamber 200 is stirred in a direction away from the through-flow channel 410, and the aluminum liquid flowing into the aluminum liquid refining chamber 200 through the through-flow channel 410 flows in a direction away from the through-flow channel 410 as a whole, so that the aluminum liquid can be uniformly treated and circulated. It will be appreciated that, in order to facilitate the installation of the rotating shaft 900, journals are provided at both ends of the rotating shaft 900, the first installation rod 280 is lifted in the molten aluminum refining chamber 200, and the journals at both ends of the rotating shaft 900 are rotatably installed on the first installation rod 280.
Referring to fig. 3 and 5, in a further embodiment of the present invention, a stirring shaft 220 extending vertically is connected to the rotating end of the second rotary driving mechanism 210, a stirring blade 230 is disposed at the bottom of the stirring shaft 220, and the stirring shaft 220 is in transmission connection with the rotating shaft 900 through a transmission shaft 240; the stirring shaft 220 is provided with a first bevel gear 221 which can synchronously rotate along with the stirring shaft 220, one end of a transmission shaft 240 is provided with a second bevel gear 241 meshed with the first bevel gear 221, the other end of the transmission shaft is provided with a worm 242, and the rotating shaft 900 is provided with a worm wheel 920 which is matched with the worm 242. The rotation of the stirring vane 230 stirs the molten aluminum in the molten aluminum refining chamber 200, thereby further improving the process uniformity. And the rotation of the stirring shaft 220 is realized by utilizing the transmission of the first bevel gear 221, the second bevel gear 241, the worm 242 and the worm wheel 920 to drive the rotating shaft 900 to rotate, so that synchronous motion is realized and the use of a driving mechanism is reduced.
It is understood that the first and second rotary drive mechanisms 210 may be rotary motors.
Referring to fig. 3, in a further embodiment of the present invention, a driven shaft 421 is rotatably installed on the gas passing channel 420, an impeller 422 is provided on the driven shaft 421, a third bevel gear 222 capable of synchronously rotating with the stirring shaft 220 is installed on the stirring shaft 220, and a fourth bevel gear 423 engaged with the third bevel gear 222 is provided at one end of the driven shaft 421. The rotation of the impeller 422 drives the hot gas of the molten aluminum heating chamber 300 to flow into the molten aluminum refining chamber 200, reducing the temperature difference between the two. The driven shaft 421 is driven to rotate by the rotation of the stirring shaft 220 through the transmission of the third bevel gear 222 and the fourth bevel gear 423, and the use of a driving mechanism is reduced. In order to facilitate the installation of the driven shaft 421 and the transmission shaft 240, a second installation rod 290 is arranged in the molten aluminum refining chamber 200, and a hole site for installing the driven shaft 421 and the transmission shaft 240 is arranged on the second installation rod 290, so that the rotation installation of the driven shaft 421 and the transmission shaft 240 is realized.
Referring to fig. 3, in a further embodiment of the present invention, the aluminum liquid refining chamber 200 is provided with an aluminum liquid outlet 250, and the aluminum liquid outlet 250 is provided at a side remote from the flow passage 410 such that the aluminum liquid outlet 250 is spaced apart from the flow passage 410 by a sufficient distance to facilitate sufficient time for the aluminum liquid to flow therein for treatment.
Referring to fig. 3, in a further embodiment of the present invention, the aluminum liquid refining chamber 200 is provided with a communication port 260 communicating with the tower type feeding chamber 100, and a drainage plate 270 extending toward the aluminum liquid heating chamber 300 and inclined downward is provided at the bottom edge of the communication port 260 to cover the upper side of the aluminum liquid outlet 250, so that the aluminum liquid flowing into the refining chamber is prevented from directly entering the aluminum liquid outlet 250, and a flow path is increased so that the aluminum liquid flowing into the aluminum liquid refining chamber 200 can be stirred and primarily refined before entering the aluminum liquid outlet 250. As shown in fig. 3, a transition surface 130 is provided between the bearing surface 110 and the flow guide plate 270 to incline the molten aluminum into the molten aluminum refining chamber 200.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A three-chamber melting furnace for aluminum alloy recycling, comprising:
the tower type feeding chamber (100) is provided with a bearing surface (110) for bearing aluminum materials, and the side wall of the tower type feeding chamber is provided with a first heating structure (120) for heating the aluminum materials;
the aluminum liquid refining chamber (200) is communicated with the tower type feeding chamber (100) and is used for receiving molten aluminum liquid from the tower type feeding chamber (100) and refining the aluminum liquid;
an aluminum liquid heating chamber (300) which is arranged at one side of the aluminum liquid refining chamber (200), and the side wall of which is provided with a second heating structure (310) for continuously adding heat to the aluminum liquid;
the partition plate (400) is arranged between the aluminum liquid refining chamber (200) and the aluminum liquid heating chamber (300) and is used for separating the aluminum liquid refining chamber (200) from the aluminum liquid heating chamber (300), a through-flow channel (410) is formed at the bottom of the partition plate (400), an air through channel (420) is formed at the upper part of the partition plate, and the second heating structure of the aluminum liquid heating chamber heats the aluminum liquid and then enters the aluminum liquid refining chamber through the through-flow channel;
a circulation pump (500) which is communicated with the aluminum liquid refining chamber (200);
an aluminum scraps adding container (600) communicated with the output end of the circulating pump (500) and used for guiding the input aluminum liquid to form vortex, wherein the bottom of the aluminum scraps adding container is provided with an output pipe (610), and the upper end of the aluminum scraps adding container is provided with an aluminum scraps input pipe (620);
the drainage piece is used for guiding the aluminum liquid output by the output pipe (610) to the aluminum liquid heating chamber (300);
the drainage piece includes:
one end of the transition pipe (700) is communicated with the output pipe (610), and a heating coil (710) is sleeved on the periphery of the transition pipe;
a liquid return output pipe (800), one end of which is communicated with the transition pipe (700) and the other end of which is communicated with the aluminum liquid heating chamber (300); the liquid return output pipe (800) comprises a liquid outlet section (810) extending into the aluminum liquid heating chamber (300), and an aluminum liquid overflow port (811) is arranged on the peripheral wall of the liquid outlet section (810) to input aluminum liquid into the aluminum liquid heating chamber (300);
the first rotary driving mechanism is also included;
the liquid return output pipe (800) is provided with a circulating conveying state and a material cleaning state;
the liquid return output pipe (800) comprises a connecting section (820) arranged outside the aluminum liquid heating chamber (300), the connecting section (820) is sleeved at the end part of the transition pipe (700) and can rotate along the axis of the connecting section to realize the switching between a circulating conveying state and a material cleaning state, the connecting section (820) is provided with a circle of driven gear ring (821), and the rotating end of the first rotary driving mechanism is connected with a transmission gear ring meshed with the driven gear ring (821); when the liquid return output pipe (800) is in a circulating conveying state, the bottom edge of the aluminum liquid overflow outlet (811) is higher than the bottom of an inner hole of the liquid return output pipe (800), so that the liquid overflows when the liquid level in the liquid return output pipe (800) is higher than the bottom edge of the aluminum liquid overflow outlet (811); when the liquid return output pipe (800) is in a material cleaning state, the aluminum liquid overflow outlet (811) faces downwards;
a rotating shaft (900) which is horizontally arranged is arranged in the aluminum liquid refining chamber (200), the rotating shaft (900) can rotate along the axis of the rotating shaft (900), a poking plate (910) is arranged on the rotating shaft (900), a second rotary driving mechanism (210) is arranged outside the aluminum liquid refining chamber (200), and the second rotary driving mechanism (210) is in transmission connection with the rotating shaft (900) to drive the rotating shaft (900) and the poking plate (910) to rotate, so that aluminum liquid in the aluminum liquid refining chamber (200) is poked in a direction far away from the flow passage (410);
the rotary end of the second rotary driving mechanism (210) is connected with a stirring shaft (220) extending vertically, stirring blades (230) are arranged at the bottom of the stirring shaft (220), and the stirring shaft (220) is in transmission connection with the rotating shaft (900) through a transmission shaft (240); a first bevel gear (221) capable of synchronously rotating along with the stirring shaft (220) is arranged on the stirring shaft (220), a second bevel gear (241) meshed with the first bevel gear (221) is arranged at one end of the transmission shaft (240), a worm (242) is arranged at the other end of the transmission shaft, and a worm wheel (920) matched with the worm (242) is arranged on the rotation shaft (900);
the utility model discloses a gas turbine, including gas passing passageway (420), driven shaft (421) are installed in rotation on gas passing passageway (420), be equipped with impeller (422) on driven shaft (421), impeller rotation can drive the steam of aluminium liquid heating chamber and flow in aluminium liquid refining chamber, install on (220) stirring axle (220) and can follow (220) synchronous rotatory third bevel gear (222), driven shaft (421) one end is equipped with fourth bevel gear (423) with third bevel gear (222) meshing.
2. The three-chamber melting furnace for aluminum alloy regeneration according to claim 1, wherein the transition pipe (700) includes a vertical pipe section (720) and a diagonal pipe section (730); the vertical pipe section (720) is provided with a mounting rod (721) parallel to the inclined pipe section (730), a connecting block (740) is sleeved on the mounting rod (721), a sleeve hole (741) matched with the mounting rod (721) is formed in the connecting block (740) and can slide along the mounting rod (721) to adjust the position, the connecting block (740) is provided with a threaded hole (742) extending to the inner wall of the sleeve hole (741), a set screw (743) is mounted on the threaded hole (742) to fix the connecting block (740), and two ends of the heating coil (710) penetrate through the connecting block (740).
3. The three-chamber melting furnace for aluminum alloy regeneration according to claim 1, wherein the aluminum scrap adding container (600) comprises a vortex container (630) and a connector cap (640), the upper end of the vortex container (630) is opened, the bottom of the vortex container is connected with an output pipe (610), a drainage bottom plate (631) is arranged on the inner wall of the vortex container (630), a drainage side plate (632) is arranged on one side, deviating from the inner wall of the vortex container (630), of the drainage bottom plate (631) and the drainage side plate (632) to form a drainage channel (633), an opening is arranged on the side wall of the vortex container (630) corresponding to the drainage channel (633), a connecting cover (650) is arranged at the position, corresponding to the opening, of the outer wall of the vortex container (630), a connector cap (651) is arranged at the outer end of the connecting cover (650) and is communicated with the output end of the circulating pump (500), the connector cap (640) is arranged on the upper end of the vortex container (630), the aluminum scrap input pipe (620) is connected with the connector cap (640), and the aluminum scrap input pipe (620) is arranged above the drainage channel (633) so that the aluminum scrap falls into the drainage channel (633).
4. The three-chamber melting furnace for aluminum alloy recycling according to claim 1, wherein the aluminum liquid refining chamber (200) is provided with an aluminum liquid outlet (250), and the aluminum liquid outlet (250) is provided at a side away from the through-flow channel (410).
5. The three-chamber melting furnace for aluminum alloy recycling according to claim 4, wherein the aluminum liquid refining chamber (200) is provided with a communication port (260) communicated with the tower type feeding chamber (100), and a drainage plate (270) extending towards the aluminum liquid heating chamber (300) and inclining downwards is arranged at the bottom edge of the communication port (260) so as to cover the upper part of the aluminum liquid outlet (250).
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| CN117628900A (en) | 2024-03-01 |
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