CN110468288B - Slag removing device for refining molten aluminum - Google Patents
Slag removing device for refining molten aluminum Download PDFInfo
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- CN110468288B CN110468288B CN201910910207.5A CN201910910207A CN110468288B CN 110468288 B CN110468288 B CN 110468288B CN 201910910207 A CN201910910207 A CN 201910910207A CN 110468288 B CN110468288 B CN 110468288B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/005—Removing slag from a molten metal surface
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
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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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Abstract
The invention discloses a slag removing device for refining molten aluminum, a slag collecting basket is movably sleeved at the lower end of a rotary cylinder body, by observing the aluminum liquid level, the slag removing device can be taken out from the hearth without scum, at the moment, the rotary slag removing head device is firstly folded, in the process of folding the rotary slag raking head device, each rotary slag raking head device rotates around the connecting rotating shaft, an outlet at the inner end of the rotary slag raking connecting cylinder of each rotary slag raking head device can incline downwards to guide slag bodies into the rotary cylinder, the slag is collected into the slag collecting basket through the rotary cylinder body, the slag can be reused next time only by cleaning the slag collecting basket after each slag skimming, therefore, the rotary slag raking head device can be folded not only to realize folding but also to collect slag bodies, thereby facilitating centralized treatment of raked floating slag, really realizing automatic and convenient slag raking and greatly reducing the labor intensity of workers.
Description
Technical Field
The invention relates to the technical field of metal smelting and industrial kiln equipment, in particular to a slag removing device for refining molten aluminum.
Background
In the manufacturing and processing of aluminum industry, aluminum ingots or waste aluminum blocks are melted into aluminum liquid under the high-temperature condition in a large box-type smelting furnace, because the unfused aluminum ingots or waste aluminum blocks are generally low in purity and contain more impurities, after the aluminum ingots or waste aluminum blocks are melted into the aluminum liquid, in the refining process, a part of impurities are precipitated in the smelting furnace, and a part of floating slag floats on the surface of the aluminum liquid, the aluminum liquid needs to be subjected to slagging-off purification treatment, otherwise, the floating slag seriously affects the casting quality.
Therefore, the molten floating slag must be cleaned in the furnace, the currently generally adopted slag skimming mode is to use a simple skimming tool with a colander at the front end for fishing, manually hold the handle of the skimming tool, push and pull the skimming tool back and forth in the molten aluminum to enable impurities to enter the colander, and then take the skimming tool out of the smelting furnace, so that the impurities skived out each time are few, the time for achieving the effect of purifying the molten aluminum is long, and the slag skimming effect is not good.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a slagging-off device for refining molten aluminum, which mainly solves the problems that the time for achieving the effect of purifying the molten aluminum is long and the slagging-off effect is not good by adopting the existing slagging-off equipment and technology in the process of melting and refining the existing aluminum ingot in a melting furnace.
The invention is realized by the following technical scheme:
a slagging-off device for refining molten aluminum comprises a slagging-off motor, a slagging-off operating rod, a rotary slagging-off head device and a slagging-off head transmission device, wherein the slagging-off operating rod is of a tubular structure, a transmission shaft is arranged in the slagging-off operating rod, the outer end of the transmission shaft is provided with bevel teeth at the outer end of the transmission shaft, bevel teeth at the inner end of the transmission shaft are arranged at the inner end of the transmission shaft, the slagging-off motor is vertically arranged at the outer end of the slagging-off operating rod, motor bevel teeth are arranged on a rotating shaft of the slagging-off motor, and the motor bevel teeth are in meshing;
the slag raking head transmission device comprises a transmission connection box body, a lifting transmission shaft, a lifting cylinder and a rotary cylinder body, the outer side of the transmission connection box body is connected to the inner end of the slag raking operating rod, a lifting transmission shaft is arranged in the transmission connecting box body, the lifting transmission shaft is arranged in the transmission connecting box body through two bearings, the lifting transmission shaft is sleeved with lifting transmission shaft bevel gears which are engaged and in transmission connection with bevel gears at the inner end of the transmission shaft, the lower end part of the lifting transmission shaft is connected in the lifting cylinder through threads, the rotary cylinder body is sleeved on the lower end part of the lifting transmission shaft and the lifting cylinder, the lifting cylinder is limited in the rotary cylinder body to move up and down, and simultaneously, an upper limit ring and a lower limit ring are arranged on the outer wall of the lifting cylinder, a lifting cylinder limit ring is arranged on the inner wall of the rotary cylinder body between the upper limit ring and the lower limit ring, and the upper end of the rotary cylinder body is rotatably arranged at the lower end part of the transmission connecting box body;
the rotary slag raking head device comprises a rotary slag raking connecting cylinder and a rotary slag raking head, wherein the inner end part of the rotary slag raking connecting cylinder is inserted into an installation hole formed in the lower end part of the rotary cylinder body, and then the rotary slag raking head device is inserted into the lower end parts of the rotary slag raking connecting cylinder and the rotary cylinder body through a connecting rotating shaft;
a folding and unfolding pull rod piece is arranged between each rotary slag raking head device and the lower end of the lifting cylinder, and the lifting cylinder controls the three rotary slag raking head devices to unfold or fold through lifting.
Furthermore, a plurality of transmission shaft erection plates are uniformly distributed in the slag-raking operation rod, and the transmission shafts are inserted into the transmission shaft erection plates.
Furthermore, the folding and unfolding pull rod piece comprises a vertical pull rod and a transverse pull rod, the lower end of the vertical pull rod is fixedly connected to the inner end part of the rotary slag-raking connecting cylinder, the outer end of the transverse pull rod is hinged to the upper end of the vertical pull rod, and the inner end of the transverse pull rod is hinged to the lower end head of the lifting cylinder.
Furthermore, the lower limiting ring is arranged above the intersection point of the transverse pull rod and the lifting cylinder, and when the transverse pull rod is in a horizontal state, a gap of 0-1mm is reserved between the bottom surface of the lower limiting ring and the top surface of the transverse pull rod.
Furthermore, the lower end of the lifting cylinder is sealed.
Furthermore, a support ring is arranged on the corresponding rotary cylinder body below the mounting opening, and after the rotary slag raking head device is horizontally unfolded, the support ring is supported on the rotary slag raking connecting cylinder of the rotary slag raking head device.
Furthermore, a slag collecting basket is movably sleeved at the lower end of the rotary cylinder.
Furthermore, the transmission connecting box body comprises an upper box body and a lower box body, one side of the upper box body is provided with a bevel gear mounting opening, a bevel gear mounting cavity is arranged in the upper box body, the upper end part and the lower end part of the upper box body are respectively provided with a bearing mounting hole, and the lower end part of the upper box body is also provided with an upper limiting spigot of the rotary cylinder body; a rotary cylinder mounting hole is formed in the lower box body, and a rotary cylinder lower limiting spigot is formed at the upper end of the lower box body; when the upper box body and the lower box body are assembled, the upper limiting seam allowance of the rotary cylinder body on the upper box body and the lower limiting seam allowance of the rotary cylinder body on the lower box body are correspondingly buckled, and the upper box body and the lower box body are connected into a whole through bolts.
Furthermore, the upper end of the rotary barrel is provided with a limiting stop ring, the rotary barrel below the limiting stop ring is provided with a plane bearing, the limiting stop ring is correspondingly installed in the limiting stop hole in the rotary barrel, and the plane bearing is correspondingly installed in the limiting stop hole in the lower part of the rotary barrel.
Furthermore, the rotary slag skimming connecting cylinder comprises a square pipe joint section and a slag skimming circular pipe section, a closed blocking plate is arranged at the outer end of the slag skimming circular pipe section, a flange plate is arranged at the inner end of the slag skimming circular pipe section, one end of the square pipe joint section is connected to the flange plate, and the other end of the square pipe joint section is connected to the rotary cylinder body through a connecting rotating shaft; the top of the slag removing circular pipe section is provided with a slag inlet; the rotary drum of the rotary slag raking head is sleeved on the slag raking circular pipe section to rotate.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention relates to a slag removing device for refining molten aluminum, wherein a plurality of rotary slag removing head devices are uniformly arranged at the lower end part of a rotary cylinder body in a surrounding manner, in the process that the rotary cylinder body drives the rotary slag removing head devices to synchronously rotate, the rotary slag removing head devices are provided with rotary slag removing heads which can rotate, strip-shaped blades and arc-shaped slag filtering plates are arranged on the rotary slag removing heads, when the rotary slag removing head devices rotate on a liquid surface, the rotary slag removing heads rotate on a rotary slag removing connecting cylinder through the acting force of molten aluminum on the strip-shaped blades, in the rotating process of the rotary slag removing heads, the arc-shaped slag filtering plates arranged on the rotary slag removing heads continuously collect floating scum on the liquid surface and suspended slag bodies below the liquid surface on the inner side surface of the arc-shaped slag filtering plates, because the arc-shaped slag filtering plates are designed to be cambered surfaces, the slag bodies are in a vertical state or close to the vertical state, the slag bodies can slide on the inner side surface of the arc-shaped slag filtering plates towards the rotary cylinder, when the slag inlet of the rotary drum is aligned with the slag inlet formed at the upper part of the rotary slag-off connecting cylinder, slag bodies enter the rotary slag-off connecting cylinder to be collected, so that the slag-off operation is realized;
2. in order to realize high-efficiency slag skimming, the length of the rotary slag skimming head must be as long as possible, the expansion planes of the rotary slag skimming head devices are as close to the liquid level of the melting tank as possible, so that the rotary slag skimming head devices on the rotary cylinder body can realize high-efficiency slag skimming after rotating for several circles, but the size of the furnace door of the box-type melting furnace is limited, and the rotary slag skimming head devices which are too long cannot pass through the furnace door, so the rotary slag skimming head devices with the folding function are designed; because the rotary cylinder body and the rotary slag-raking head device rotate synchronously, the mechanical structure of the rotary slag-raking head device on the folding of the rotary cylinder body is difficult to realize, the invention creatively designs the slag-raking head transmission device, the slag-raking head transmission device comprises a transmission connection box body, a lifting transmission shaft, a lifting cylinder and the rotary cylinder body, the lifting transmission shaft is in matched transmission with the transmission shaft through bevel gears, the lifting cylinder is in threaded connection with the lifting transmission shaft and is arranged in the rotary cylinder body, the lifting cylinder only can do lifting movement in the rotary cylinder body, when the lifting transmission shaft drives the lifting cylinder to lift in the rotary cylinder body, the rotary cylinder body can not rotate, when the lifting cylinder rises or falls to a set position, the lifting cylinder and the lifting transmission shaft can rotate synchronously, if the lifting cylinder and the lifting transmission shaft rotate synchronously and anticlockwise to finish the folding of the rotary slag-raking head device, then the lifting cylinder and the lifting transmission shaft synchronously rotate clockwise to complete the unfolding of the rotary slag-raking head device, and the slag-raking operation can be started;
3. the invention relates to a slag removing device for refining molten aluminum, which is characterized in that a slag collecting basket is movably sleeved at the lower end of a rotary cylinder body, by observing the aluminum liquid level, the slag removing device can be taken out from the hearth without scum, at the moment, the rotary slag removing head device is firstly folded, in the process of folding the rotary slag raking head device, each rotary slag raking head device rotates around the connecting rotating shaft, an outlet at the inner end of the rotary slag raking connecting cylinder of each rotary slag raking head device can incline downwards to guide slag bodies into the rotary cylinder, the slag is collected into the slag collecting basket through the rotary cylinder body, the slag can be reused next time only by cleaning the slag collecting basket after each slag skimming, therefore, the rotary slag raking head device can be folded not only to realize folding but also to collect slag bodies, thereby facilitating centralized treatment of raked floating slag, really realizing automatic and convenient slag raking and greatly reducing the labor intensity of workers.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a slag raking device for refining molten aluminum according to the invention in an unfolded state;
FIG. 2 is a structural diagram of a surrounding array state of the rotary slag raking head device according to the present invention;
FIG. 3 is a schematic structural view of the rotary slag raking head device in a folded state according to the present invention;
FIG. 4 is a schematic structural view of a rotary slag raking head device according to the present invention;
FIG. 5 is a schematic structural view of a rotary slag removing connecting cylinder according to the present invention;
FIG. 6 is a schematic structural view of a rotary slagging-off head according to the present invention;
FIG. 7 is a schematic structural view of an end face of the rotary slagging-off head of the invention;
FIG. 8 is a schematic structural view of a transmission connection box of the present invention;
FIG. 9 is a schematic structural view of the upper case of the present invention;
FIG. 10 is a schematic structural view of a lower case of the present invention;
reference numbers and corresponding part names in the drawings:
1-a slagging motor, 2-a slagging operating rod, 3-a rotary slagging head device, 4-a slagging head transmission device, 5-a transmission shaft, 6-a transmission shaft outer end bevel gear, 7-a transmission shaft inner end bevel gear, 8-a motor bevel gear, 9-a transmission connecting box body, 10-a lifting transmission shaft, 11-a lifting cylinder, 12-a rotary cylinder body, 13-a bearing, 14-a lifting transmission shaft bevel gear, 15-an upper limit ring, 16-a lower limit ring, 17-a lifting cylinder limit ring, 18-a rotary slagging connecting cylinder, 19-a rotary slagging head, 20-a mounting port, 21-a slag inlet, 22-a rotary cylinder, 23-a strip-shaped blade, 24-an arc-shaped slag filtering plate, 25-a rotary cylinder slag inlet, 26-a shaft erecting plate and 27-a vertical pull rod, 28-transverse pull rod, 29-support ring, 30-slag body collection basket, 31-upper box body, 32-lower box body, 33-bevel gear installation hole, 34-bevel gear installation cavity, 35-bearing installation hole, 36-upper limit stop of rotary cylinder body, 37-mounting hole of rotary cylinder body, 38-lower limit stop of rotary cylinder body, 39-limit baffle ring, 40-plane bearing, 41-square pipe joint section, 42-slag removing circular pipe section, 43-sealing blocking plate, 44-flange plate and 45-connecting rotating shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
As shown in fig. 1-10, the invention relates to a slag-raking device for refining molten aluminum, which comprises a slag-raking motor 1, a slag-raking operating rod 2, a rotary slag-raking head device 3 and a slag-raking head transmission device 4, wherein the structural components of the invention work in a high-temperature environment, so that the materials are stainless steel or high-temperature resistant materials as much as possible, the slag-raking operating rod 2 in fig. 1 is of a tubular structure and is made of stainless steel tubes, a transmission shaft 5 is arranged in the slag-raking operating rod 2, the outer end of the transmission shaft 5 is provided with a transmission shaft outer end bevel gear 6, the inner end of the transmission shaft 5 is provided with a transmission shaft inner end bevel gear 7, the slag-raking motor 1 is vertically arranged at the outer end of the slag-raking operating rod 2, the rotation shaft of the slag-rak; the slag removing motor 1 adopts a servo motor, the rotating speed is about 60 revolutions per minute, and 30 revolutions per minute are transmitted to the slag removing head transmission device 4 without too fast rotating speed.
As shown in fig. 3, the slag raking head transmission device 4 comprises a transmission connection box body 9, a lifting transmission shaft 10, a lifting cylinder 11 and a rotary cylinder body 12, the transmission connection box body 9 is connected to the outer side of the transmission connection box body on the inner end of the slag raking operation rod 2, the lifting transmission shaft 10 is arranged in the transmission connection box body 9, the lifting transmission shaft 10 is installed in the transmission connection box body 9 through two bearings 13, lifting transmission shaft umbrella teeth 14 are sleeved on the lifting transmission shaft 10, the lifting transmission shaft umbrella teeth 14 are in transmission connection with the umbrella teeth 7 at the inner end of the transmission shaft in a meshing manner, the lower end of the lifting transmission shaft 10 is connected in the lifting cylinder 11 through threads, the lower end of the lifting cylinder 11 is sealed, and metal. The rotary cylinder body 12 is sleeved on the lower end part of the lifting transmission shaft 10 and the lifting cylinder 11, the lifting cylinder 11 is limited in the rotary cylinder body 12 to move up and down, meanwhile, an upper limiting ring 15 and a lower limiting ring 16 are arranged on the outer wall of the lifting cylinder 11, a lifting cylinder limiting ring 17 is arranged on the inner wall of the rotary cylinder body 12 between the upper limiting ring 15 and the lower limiting ring 16, and the upper end of the rotary cylinder body 12 is rotatably arranged at the lower end part of the transmission connection box body 9; in order to realize high-efficiency slag skimming, the length of a rotary slag skimming head 19 must be as long as possible, the expansion planes of a plurality of rotary slag skimming head devices 3 are as close to the liquid level of a melting tank as possible, so that the rotary slag skimming head devices 3 on a rotary cylinder 12 can realize high-efficiency slag skimming after rotating for several circles, but the size of a furnace door opening of a box-type melting furnace is limited, and the too long rotary slag skimming head devices 3 cannot pass through the furnace door opening, so the rotary slag skimming head devices 3 with the folding function are designed; because the rotary cylinder body 12 and the rotary slag-raking head device 3 rotate synchronously, the mechanical structure that the rotary slag-raking head device 3 is folded in the rotary cylinder body 12 is difficult to realize, the invention creatively designs the slag-raking head transmission device 4, the slag-raking head transmission device 4 comprises a transmission connection box body 9, a lifting transmission shaft 10, a lifting cylinder 11 and a rotary cylinder body 12, the lifting transmission shaft 10 is in matched transmission with the transmission shaft 5 through bevel teeth, the lifting cylinder 11 and the lifting transmission shaft 10 are in threaded connection and arranged in the rotary cylinder body 12, the lifting cylinder 11 can only do lifting movement in the rotary cylinder body 12, when the lifting transmission shaft 10 drives the lifting cylinder 11 to lift in the rotary cylinder body 12, the rotary cylinder body 12 can not rotate, when the lifting cylinder 11 rises or falls to a set position, the lifting cylinder 11 can synchronously rotate with the lifting transmission shaft 10, if the lifting cylinder 11 and the lifting transmission shaft 10 are arranged to synchronously rotate anticlockwise to finish the rotary slag-raking head device 3, the lifting cylinder 11 and the lifting transmission shaft 10 synchronously rotate clockwise to complete the unfolding of the rotary slag-raking head device 3, and the slag-raking operation can be started.
Three rotary slag raking head devices 3 are uniformly and circularly arranged at the lower end part of the rotary cylinder body 12, as shown in figure 4, each rotary slag raking head device 3 comprises a rotary slag raking connecting cylinder 18 and a rotary slag raking head 19, the inner end part of each rotary slag raking connecting cylinder 18 is inserted into a mounting port 20 arranged at the lower end part of the rotary cylinder body 12, three mounting ports 20 are uniformly and circularly arranged at the lower end part of the rotary cylinder body 12 in a long strip shape, the size and the width of each mounting port 20 are basically consistent with the width of a square pipe joint section 41, the lower side opening of the length of each mounting port 20 is fixed, the upper side opening is determined according to actual conditions, the close point of the joint of the rotary slag raking head device 3 and the rotary cylinder body 12 is mainly seen, when the rotary slag raking head devices 3 are folded, strip-shaped blades 23 and arc-shaped slag filtering plates 24 can be correspondingly and temporarily inserted into the mounting ports 20, so that the rotary slag raking heads can be conveniently placed, the outer end of the rotary slag-off connecting cylinder 18 is closed, the upper part of the rotary slag-off connecting cylinder 18 is provided with a slag inlet 21, the rotary slag-off head 19 is sleeved on the rotary slag-off connecting cylinder 18, the rotary slag-off head 19 comprises a rotary drum 22, strip-shaped blades 23 and arc-shaped slag-filtering plates 24, a plurality of strip-shaped blades 23 are uniformly distributed and surrounded on the rotary drum 22, generally four strip-shaped blades 23 are arranged, one arc-shaped slag-filtering plate 24 is arranged between the two strip-shaped blades 23, the connecting position of the arc-shaped slag-filtering plate 24 and the rotary drum 22 is approximate to a flat plate structure, the outer end is approximate to an 1/4 arc-shaped plate structure, so that scum can be filtered, and the rotary drum slag inlet 25 is arranged on the rotary drum; the invention relates to a slag removing device for refining molten aluminum, a plurality of rotary slag removing head devices 3 are uniformly arranged at the lower end part of a rotary cylinder body 12 in a surrounding way, in the process that the rotary cylinder body 12 drives the rotary slag removing head devices 3 to synchronously rotate, the rotary slag removing head devices 3 are provided with a rotary slag removing head 19, the rotary slag removing head 19 is provided with strip-shaped blades 23 and arc-shaped slag filtering plates 24, when the rotary slag removing head devices 3 rotate on the liquid surface, the rotary slag removing head 19 rotates on a rotary slag removing connecting cylinder 18 through the acting force of molten aluminum on the strip-shaped blades 23, in the rotating process of the rotary slag removing head 19, the arc-shaped slag filtering plates 24 arranged on the rotary slag removing head 19 continuously collect floating scum on the liquid surface and slag suspended below the liquid surface on the inner side surface of the arc-shaped slag filtering plates 24, because the arc-shaped slag filtering plates 24 are designed to be cambered surfaces, the arc-shaped slag filtering plates 24 are in a vertical state or close to a vertical state, the slag body can slide on the inner side surface of the arc-shaped slag filtering plate 24 towards the direction of the rotary drum 22 to enter the rotary drum slag inlet 25, and when the rotary drum slag inlet 25 is aligned with the upper part of the rotary slag-off connecting cylinder 18, the slag body can enter the rotary slag-off connecting cylinder 18 to be collected, so that the slag-off operation is realized.
A folding and unfolding pull rod piece is arranged between each rotary slag raking head device 3 and the lower end of the lifting cylinder 11, and the lifting cylinder 10 controls the three rotary slag raking head devices 3 to unfold or fold through lifting.
A plurality of transmission shaft mounting plates 26 are uniformly distributed in the slag removing operating rod 2, and the transmission shaft 5 is inserted in the transmission shaft mounting plates 26. The length of the slag-raking operating rod 2 is basically consistent with that of the transmission shaft 5, the transmission shaft 5 is thin and adopts a solid structure, so that a plurality of transmission shaft mounting plates 26 are required for limiting.
The folding and unfolding pull rod piece comprises a vertical pull rod 27 and a transverse pull rod 28, the lower end of the vertical pull rod 27 is fixedly connected to the inner end of the rotary slag-raking connecting cylinder 18, the outer end of the transverse pull rod 28 is hinged to the upper end of the vertical pull rod 27, and the inner end of the transverse pull rod 28 is hinged to the lower end head of the lifting cylinder 11. The effect of taking up and unfolding the pull rod piece, firstly in order to connect lift section of thick bamboo 11 and rotatory head device 3 of taking off the slag, through the rotatory head device 3 of taking off the slag of lift section of thick bamboo 11 lift control expand or fold, another effect, this kind of structural design of the pull rod piece of taking up and unfolding, when rotatory head device 3 of taking off the slag expandes, through spacing of spacing ring 16 to horizontal pull rod 28 down to make vertical pull rod 27 and horizontal pull rod 28 spacing become the L type, rotatory head device 3 of taking off the slag is just fixed when expandes the rotation like this, prevent that rotatory head device 3 of taking off the slag from appearing rocking and influencing the operation of taking off the slag.
The lower limit ring 16 is arranged above the junction point of the transverse pull rod 28 and the lifting cylinder 11, when the transverse pull rod 28 is in a horizontal state, a gap of 0-1mm is reserved between the bottom surface of the lower limit ring 16 and the top surface of the transverse pull rod 28, and the gap is designed as small as possible, so that the lower limit ring 16 can limit the transverse pull rod 28 conveniently, but normal operation of the junction rotation of the transverse pull rod 28 and the lifting cylinder 11 must be ensured.
The corresponding rotary cylinder 12 below the mounting opening 20 is provided with a support ring 29, and after the rotary slag-raking head device 3 is horizontally unfolded, the support ring 29 is supported on the rotary slag-raking connecting cylinder 18 of the rotary slag-raking head device 3.
As shown in fig. 3, a slag collecting basket 30 is movably sleeved at the lower end of the rotary cylinder 12. The invention relates to a slag removing device for refining aluminum liquid, wherein a slag collecting basket 30 is movably sleeved at the lower end of a rotary cylinder body 12, the slag collecting basket 30 is made of a grid plate, slag removing equipment can be taken out from a hearth without scum by observing the liquid level of aluminum, at the moment, the rotary slag removing head device 3 is firstly folded, each rotary slag removing head device 3 rotates around a connecting rotating shaft 21 in the folding process of the rotary slag removing head device 3, an outlet at the inner end of a rotary slag removing connecting cylinder 18 of each rotary slag removing head device 3 leads the scum into the rotary cylinder body 12 in an inclined and downward manner, the scum is collected into the slag collecting basket 30 through the rotary cylinder body 12, the slag can be reused next time only by cleaning the slag collecting basket 30 after each time of slag removing, so that the rotary slag removing head device 3 can be folded for realizing the scum collection or collecting the scum, the centralized treatment of the removed scum is convenient, and the automatic slag removing is really realized, the convenience is realized, and the labor intensity of workers is greatly reduced. The refining additives can be placed into the slag collection basket 30 during slag skimming, so that the skimming and refining can be simultaneously completed.
As shown in fig. 8-10, the transmission connection box 9 includes an upper box 31 and a lower box 32, one side of the upper box 31 is provided with a bevel gear mounting opening 33, the upper box 31 is provided with a bevel gear mounting cavity 34, the upper end and the lower end of the upper box 31 are respectively provided with a bearing mounting hole 35, and the lower end of the upper box 31 is further provided with an upper limit spigot 36 of a rotary cylinder; a rotary cylinder mounting hole 37 is formed in the lower box body 32, and a rotary cylinder lower limiting spigot 38 is formed at the upper end of the lower box body 32; when the upper box body 31 and the lower box body 32 are assembled, the upper limit seam allowance 36 of the rotary cylinder body on the upper box body 31 is correspondingly buckled with the lower limit seam allowance 38 of the rotary cylinder body on the lower box body, and then the upper box body and the lower box body are connected into a whole through bolts.
The upper end of the rotary cylinder body 12 is provided with a limiting stop ring 39, the rotary cylinder body 12 below the limiting stop ring 39 is provided with a plane bearing 40, the limiting stop ring 39 is correspondingly arranged in the upper limiting spigot 36 of the rotary cylinder body, and the plane bearing 40 is correspondingly arranged in the lower limiting spigot 38 of the rotary cylinder body. The rotary cylinder 12 can be hung on the transmission connection box body 9 to rotate freely through the limit stop ring 39 and the plane bearing 40.
The rotary slag-raking connecting cylinder 18 comprises a square pipe joint section 41 and a slag-raking circular pipe section 42, wherein a closed blocking plate 43 is arranged at the outer end of the slag-raking circular pipe section 42, a flange plate 44 is arranged at the inner end of the slag-raking circular pipe section 42, one end of the square pipe joint section 41 is connected to the flange plate 44, and the other end of the square pipe joint section 41 is connected to the rotary cylinder 12 through a connecting rotating shaft 45; the top of the slag removing round pipe section 42 is provided with a slag inlet 21; the rotary drum 22 of the rotary slag raking head 19 is sleeved on the slag raking circular pipe section 42 to rotate.
The invention relates to a slag removing device for refining molten aluminum, which is used for checking whether a slag collecting basket 30 is cleaned or not, when a rotary slag removing head device 3 is in a closed state, one end with the rotary slag removing head device 3 extends into a hearth through a furnace door opening, a slag removing motor 1 rotates forwards according to setting, at the moment, a lifting cylinder 11 is in a rising state in a rotary cylinder body 12, when the slag removing motor 1 rotates forwards, a lifting transmission shaft 10 drives the lifting cylinder 11 to descend in the rotary cylinder body 12 through threaded connection, the rotary cylinder body 12 does not rotate, when an upper limit ring 15 abuts against a lifting cylinder limit ring 17 at a set position, the lifting cylinder 11 cannot descend continuously, at the moment, the rotary slag removing head device 3 can be completely unfolded in the hearth and is in a horizontal state, the lifting transmission shaft 10 continues to rotate, the lifting transmission shaft 10 can drive the lifting cylinder 11 and the rotary cylinder body 12 to rotate synchronously, and further can drive three rotary slag removing head devices 3 to rotate, at the moment, the rotary slag raking head device 3 is placed on the liquid level of the aluminum, namely, about half of the rotary slag raking head device 3 is under the liquid level, slag raking operation is started, a worker only needs to operate the slag raking operating rod 2 to enable a slag raking working face formed by three rotary slag raking head devices 3 to move back and forth on the liquid level to reach the liquid level as much as possible, observation shows that no floating slag exists on the surface of the aluminum liquid, the slag raking motor 1 is turned off, the rotary slag raking head device 3 is separated from the liquid level of the aluminum, the lifting transmission shaft 10 is turned on to drive the lifting barrel 11 to rise, at the moment, the rotary barrel body 12 does not rotate (in practice, when the rotary slag raking head device 3 is folded, the rotary barrel body 12 may rotate for several circles due to inertia, but normal folding cannot be influenced, and the lifting transmission shaft 10 and the lifting barrel 11 are in a loose state, so that a normal phenomenon occurs), the slag removing head device 3 is furled and rotated, the slag removing device is taken out of the hearth, the slag body collecting basket 30 is taken down for cleaning (carefully high temperature), and the slag removing operation is finished.
Through the implementation of the scheme, the slag removing device for refining the molten aluminum well solves the problems that the time for achieving the effect of purifying the molten aluminum is long and the slag removing effect is not good in the process of melting and refining the conventional aluminum ingot in the melting furnace by using the conventional slag removing equipment and technology.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a take off sediment device for aluminium liquid is concise, includes and takes off sediment motor (1), takes off sediment action bars (2), rotatory first device of taking off sediment (3) and take off sediment first transmission (4), its characterized in that: the slag-raking operating rod (2) is of a tubular structure, a transmission shaft (5) is arranged in the slag-raking operating rod (2), the outer end of the transmission shaft (5) is provided with a transmission shaft outer end bevel gear (6), the inner end of the transmission shaft (5) is provided with a transmission shaft inner end bevel gear (7), a slag-raking motor (1) is vertically arranged at the outer end of the slag-raking operating rod (2), a motor bevel gear (8) is arranged on a rotating shaft of the slag-raking motor (1), and the motor bevel gear (8) is in meshing transmission connection with the transmission shaft outer end bevel gear (6;
the slag raking head transmission device (4) comprises a transmission connection box body (9), a lifting transmission shaft (10), a lifting cylinder (11) and a rotary cylinder body (12), wherein the outer side of the transmission connection box body (9) is connected to the inner end of the slag raking operating rod (2), the lifting transmission shaft (10) is arranged in the transmission connection box body (9), the lifting transmission shaft (10) is installed in the transmission connection box body (9) through two bearings (13), lifting transmission shaft umbrella teeth (14) are sleeved on the lifting transmission shaft (10), the lifting transmission shaft umbrella teeth (14) are in meshing transmission connection with the umbrella teeth (7) at the inner end of the transmission shaft, the lower end part of the lifting transmission shaft (10) is connected in the lifting cylinder body (11) through threads, the rotary cylinder body (12) is sleeved on the lower end part of the lifting transmission shaft (10) and the lifting cylinder body (11), the lifting cylinder body (11) is limited in the rotary cylinder body (, meanwhile, an upper limit ring (15) and a lower limit ring (16) are arranged on the outer wall of the lifting cylinder (11), a lifting cylinder limit ring (17) is arranged on the inner wall of the rotary cylinder body (12) between the upper limit ring (15) and the lower limit ring (16), and the upper end of the rotary cylinder body (12) is rotatably arranged at the lower end part of the transmission connection box body (9);
the lower end part of the rotary barrel body (12) is uniformly provided with three rotary slag raking head devices (3) in a surrounding way, each rotary slag raking head device (3) comprises a rotary slag raking connecting barrel (18) and a rotary slag raking head (19), the inner end part of each rotary slag raking connecting barrel (18) is inserted into a mounting port (20) arranged at the lower end part of the rotary barrel body (12) and then is inserted into the lower end parts of the rotary slag raking connecting barrel (18) and the rotary barrel body (12) through a connecting rotating shaft (45), the outer end of each rotary slag raking connecting barrel (18) is closed, the upper part of each rotary slag raking connecting barrel (18) is provided with a slag inlet (21), each rotary slag raking head (19) is sleeved on each rotary slag raking connecting barrel (18), each rotary slag raking head (19) comprises a rotary barrel (22), strip-shaped blades (23) and an arc-shaped slag filtering plate (24), and a plurality of strip, a cambered slag filtering plate (24) is arranged between the two strip-shaped blades (23), and a rotary drum slag inlet (25) is arranged on the rotary drum (22) corresponding to the inner side surface of the cambered slag filtering plate (24);
a folding and unfolding pull rod piece is arranged between each rotary slag raking head device (3) and the lower end of the lifting cylinder (11), and the lifting cylinder (11) controls the three rotary slag raking head devices (3) to unfold or fold through lifting.
2. The slag raking device for molten aluminum refining of claim 1, wherein: a plurality of transmission shaft erection plates (26) are uniformly distributed in the slag-raking operating rod (2), and the transmission shaft (5) is inserted in the transmission shaft erection plates (26).
3. The slag raking device for molten aluminum refining of claim 1, wherein: the folding and unfolding pull rod piece comprises a vertical pull rod (27) and a transverse pull rod (28), the lower end of the vertical pull rod (27) is fixedly connected to the inner end of the rotary slag-raking connecting cylinder (18), the outer end of the transverse pull rod (28) is hinged to the upper end of the vertical pull rod (27), and the inner end of the transverse pull rod (28) is hinged to the lower end of the lifting cylinder (11).
4. The slag raking device for molten aluminum refining of claim 3, wherein: the lower limiting ring (16) is arranged above the junction of the transverse pull rod (28) and the lifting cylinder (11), and when the transverse pull rod (28) is in a horizontal state, a gap of 0-1mm is reserved between the bottom surface of the lower limiting ring (16) and the top surface of the transverse pull rod (28).
5. The slag raking device for molten aluminum refining of claim 1, wherein: the lower end of the lifting cylinder (11) is sealed.
6. The slag raking device for molten aluminum refining of claim 1, wherein: a support ring (29) is arranged on the corresponding rotary cylinder body (12) below the mounting opening (20), and after the rotary slag-raking head device (3) is horizontally unfolded, the support ring (29) is supported on the rotary slag-raking connecting cylinder (18) of the rotary slag-raking head device (3).
7. The slag raking device for molten aluminum refining of claim 1, wherein: the lower end of the rotary cylinder body (12) is movably sleeved with a slag collecting basket (30).
8. The slag raking device for molten aluminum refining of claim 1, wherein: the transmission connecting box body (9) comprises an upper box body (31) and a lower box body (32), one side of the upper box body (31) is provided with an umbrella tooth mounting opening (33), an umbrella tooth mounting cavity body (34) is arranged in the upper box body (31), the upper end part and the lower end part of the upper box body (31) are respectively provided with a bearing mounting hole (35), and the lower end part of the upper box body (31) is also provided with an upper limiting spigot (36) of a rotary cylinder body; a rotary cylinder mounting hole (37) is formed in the lower box body (32), and a rotary cylinder lower limiting spigot (38) is formed in the upper end of the lower box body (32); when the upper box body (31) and the lower box body (32) are assembled, the upper limiting seam allowance (36) of the rotary cylinder body on the upper box body (31) is correspondingly buckled with the lower limiting seam allowance (38) of the rotary cylinder body on the lower box body, and then the upper box body and the lower box body are connected into a whole through bolts.
9. The slagging-off device for molten aluminum refining of claim 8, characterized in that: the rotary barrel is characterized in that a limiting stop ring (39) is arranged on the upper end of the rotary barrel (12), a plane bearing (40) is arranged on the rotary barrel (12) below the limiting stop ring (39), the limiting stop ring (39) is correspondingly installed in a limiting spigot (36) on the rotary barrel, and the plane bearing (40) is correspondingly installed in a limiting spigot (38) under the rotary barrel.
10. The slag raking device for molten aluminum refining of claim 1, wherein: the rotary slag-raking connecting cylinder (18) comprises a square pipe joint section (41) and a slag-raking circular pipe section (42), a sealing blocking plate (43) is arranged at the outer end of the slag-raking circular pipe section (42), a flange plate (44) is arranged at the inner end of the slag-raking circular pipe section (42), one end of the square pipe joint section (41) is connected to the flange plate (44), and the other end of the square pipe joint section (41) is connected to the rotary cylinder body (12) through a connecting rotating shaft (45); the top of the slag removing round pipe section (42) is provided with a slag inlet (21); the rotary drum (22) of the rotary slag raking head (19) is sleeved on the slag raking circular pipe section (42) to rotate.
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| CN201910910207.5A CN110468288B (en) | 2019-09-25 | 2019-09-25 | Slag removing device for refining molten aluminum |
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| CN201910910207.5A CN110468288B (en) | 2019-09-25 | 2019-09-25 | Slag removing device for refining molten aluminum |
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| CN110468288B true CN110468288B (en) | 2021-06-18 |
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| CN113061747A (en) * | 2021-03-16 | 2021-07-02 | 兰溪市博远金属有限公司 | Process for reducing dross on surface of smelted aluminum ingot |
| CN116790895B (en) * | 2023-07-01 | 2024-02-02 | 常州市凯宏铝业有限公司 | Method for removing impurities from waste aluminum materials in production of regenerated aluminum plates |
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| CN207533967U (en) * | 2017-12-11 | 2018-06-26 | 南丹县南方有色金属有限责任公司 | A kind of fishing slag blender |
| CN108277363A (en) * | 2018-04-18 | 2018-07-13 | 阿坝铝厂 | A kind of molten aluminum holding furnace stirring mucking machine |
| CN207756913U (en) * | 2017-12-29 | 2018-08-24 | 苏州凯贸铸造工业有限公司 | A kind of metal liquid device for removing slag |
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| US6425435B1 (en) * | 1999-07-28 | 2002-07-30 | Hayes Lemmerz Equipment & Engineering, Inc. | Module casting systems with shared controls |
| CN207533967U (en) * | 2017-12-11 | 2018-06-26 | 南丹县南方有色金属有限责任公司 | A kind of fishing slag blender |
| CN207756913U (en) * | 2017-12-29 | 2018-08-24 | 苏州凯贸铸造工业有限公司 | A kind of metal liquid device for removing slag |
| CN108277363A (en) * | 2018-04-18 | 2018-07-13 | 阿坝铝厂 | A kind of molten aluminum holding furnace stirring mucking machine |
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Effective date of registration: 20210601 Address after: 324000 Huibu New District, Changshan County, Quzhou City, Zhejiang Province Applicant after: Zhejiang Weihong metal products Co.,Ltd. Address before: 641200 No. 41, Group 7, Bazi Village, Chestnut Ya Township, Zizhong County, Neijiang City, Sichuan Province Applicant before: Yang Jiazhi |
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Denomination of invention: A slag removal device for aluminum liquid refining Effective date of registration: 20230913 Granted publication date: 20210618 Pledgee: Zhejiang Changshan Rural Commercial Bank Co.,Ltd. dingyang sub branch Pledgor: Zhejiang Weihong metal products Co.,Ltd. Registration number: Y2023330002026 |
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