CN114703386A - Refining degassing heating furnace for aluminum alloy production - Google Patents
Refining degassing heating furnace for aluminum alloy production Download PDFInfo
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- CN114703386A CN114703386A CN202210285804.5A CN202210285804A CN114703386A CN 114703386 A CN114703386 A CN 114703386A CN 202210285804 A CN202210285804 A CN 202210285804A CN 114703386 A CN114703386 A CN 114703386A
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
- C22B9/055—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ while the metal is circulating, e.g. combined with filtration
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Abstract
The invention belongs to the technical field of aluminum alloy production, and particularly relates to a refining degassing heating furnace for aluminum alloy production, which comprises a furnace body, a furnace frame and a rotating shaft; according to the invention, purified gas enters the gas transmission part through the air pump, the gas transmission part introduces the purified gas into the aluminum alloy solution, and the first motor rotates the furnace body, so that the inner wall of the furnace body generates friction force on the aluminum alloy solution, the aluminum alloy solution rotates, the aluminum alloy solution generates centrifugal force, the aluminum alloy solution is continuously mixed, the purified gas is uniformly mixed in the aluminum alloy solution, harmful substances such as hydrogen in the solution are adsorbed, the amount of the harmful substances such as hydrogen in the aluminum alloy solution is reduced, and the quality of the aluminum alloy solution is improved; the aluminum alloy solution generates acting force on the driving sheet, and then drives the gas transmission part to rotate, so that the disorder degree of purified gas is increased, the uniformity of purified gas mixing is improved, and the adsorption effect of the purified gas is improved.
Description
Technical Field
The invention belongs to the technical field of aluminum alloy production, and particularly relates to a refining degassing heating furnace for aluminum alloy production.
Background
In the smelting process of the aluminum alloy, a large amount of hydrogen can exist in the aluminum alloy liquid, when the aluminum alloy liquid is solidified, the solubility of the hydrogen can be reduced sharply, because the cooling speed is high, the temperature of the melt is low, the hydrogen cannot escape from the solidified aluminum, and the hydrogen remained in the solid can form casting defects such as pinholes and looseness, so that the performance of the aluminum alloy is seriously affected.
Most of existing heating furnaces drive a stirring arm to rotate through a rotating shaft, purified gas enters an aluminum alloy solution through air holes in the stirring arm, the solution is continuously stirred through the stirring arm, the purified gas continuously floats upwards in the solution, hydrogen and other harmful substances in the solution can be adsorbed in the process of floating the purified gas, and then the hydrogen and other harmful substances in the solution are taken away from the solution, so that refining and degassing of the solution are achieved.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a refining degassing heating furnace for aluminum alloy production. The method is mainly used for solving the problems that most of the existing heating furnaces drive the stirring arm to rotate through the rotating shaft, purified gas enters the aluminum alloy solution through the air hole in the stirring arm, and then hydrogen and other harmful substances in the solution are taken away from the solution, and the method has poor dispersion degree of the purified gas in the solution, cannot effectively adsorb and remove the harmful substances such as hydrogen and the like, causes more residual gas in the solution, and influences the quality of the aluminum alloy.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides a refining degassing heating furnace for aluminum alloy production, which comprises a furnace body, a shell and a rotating shaft, wherein the furnace body is provided with a plurality of heating holes; the furnace body is arranged in the shell; the furnace body is rotationally connected with the shell; a connecting piece is arranged above the shell; the connecting piece is connected with the shell; the rotating shaft is arranged on the connecting piece; the upper end of the rotating shaft is rotatably connected with the connecting piece; a first air hole is formed in the rotating shaft; the first air hole is vertically arranged; the rotating shaft is provided with a gas transmission component; the gas transmission parts are uniformly arranged at intervals; the gas transmission part is connected with the rotating shaft; the gas transmission component is used for introducing purified gas into liquid; the lower end of the rotating shaft is provided with a driving sheet; the driving pieces are uniformly arranged at intervals; the driving sheet is fixedly connected with the rotating shaft; an air pump is arranged on the connecting piece; the air pump is fixedly connected with the connecting piece; the air pump is communicated with the first air hole through a first air pipe; a heating coil is arranged in the shell; the heating coil is fixedly connected with the shell; two ends of the heating coil are respectively connected with two ends of a power supply; the heating coil is used for heating liquid; the lower end of the furnace body is provided with a first belt wheel; the first belt wheel is fixedly connected with the furnace body; a first motor is arranged on the shell; a second belt wheel is arranged on a rotating shaft of the first motor; the second belt wheel is connected with the first belt wheel through a belt.
When the aluminum alloy furnace works, aluminum alloy solution is poured into the furnace body, the air pump works, purified gas enters the first air pipe, the purified gas enters the first air hole, the purified gas enters the air transmission part, the purified gas is introduced into the aluminum alloy solution by the air transmission part, meanwhile, the first motor rotates, the second belt wheel rotates, the first belt wheel is driven to rotate through the belt, the furnace body is driven to rotate, the inner wall of the furnace body generates friction force on the aluminum alloy solution, the aluminum alloy solution rotates, the aluminum alloy solution generates centrifugal force, the aluminum alloy solution continuously moves, the aluminum alloy solution is continuously mixed, the purified gas is uniformly mixed in the aluminum alloy solution, the purified gas adsorbs harmful substances such as hydrogen in the aluminum alloy solution in the mixing process, and the purified gas brings the harmful substances such as hydrogen out of the solution, the amount of harmful substances such as hydrogen in the aluminum alloy solution is reduced, the influence of the harmful substances such as hydrogen on the quality of the aluminum alloy is reduced, the quality of the aluminum alloy solution is improved, and the quality of the aluminum alloy is improved; through setting up the driving plate, aluminum alloy solution produces the effort to the driving plate when rotating, and then drives the driving plate and rotate, and then drives the axis of rotation and rotate, and then drives gas transmission part and rotate, and then increases the disorderly degree of purifying gas, and then improves the homogeneity that purifies the gas mixture, and then improves the adsorption effect who purifies the gas, and then reduces the quantity of harmful substance such as hydrogen in the aluminum alloy solution, and then improves the quality of aluminum alloy.
Preferably, the gas transmission part comprises a connecting seat, a first cylinder and a second cylinder; the rotating shaft is sleeved with the connecting seat; the connecting seat is fixedly connected with the rotating shaft; the first cylinder is arranged on the connecting seat; the first cylinders are uniformly arranged at intervals along the circumferential direction of the rotating shaft; one end of the first cylinder is fixedly connected with the connecting seat; a first through hole is formed in the first cylinder; second air holes are uniformly arranged on the outer surface of the first cylinder at intervals; the second cylinder is arranged in the first through hole; the second cylinder is in clearance fit with the first through hole; a second through hole is formed in the second cylinder; one end of the second through hole is communicated with the first air hole; one end of the second cylinder is provided with a hemispherical part; the hemispherical part is fixedly connected with the second cylinder; four air holes are uniformly arranged on the surface of the hemispherical part at intervals; the fourth air hole is communicated with the second through hole; a first elastic piece is arranged outside the first cylinder; the first elastic piece is sleeved outside the first cylinder; one end of the first elastic piece is fixedly connected with the connecting seat; the other end of the first elastic part is fixedly connected with the hemispherical part; no. three air holes are uniformly arranged on the outer surface of the second cylinder at intervals.
By arranging the first elastic piece, the first elastic piece generates tension on the hemispherical piece, at the initial stage of the rotation of the furnace body, the rotation speed of the furnace body is slow, the rotation speed of the aluminum alloy solution is slow, the centrifugal force of the aluminum alloy solution is small, the surface of the aluminum alloy solution is relatively flat, the mixing speed of the aluminum alloy solution is slow, the rotation speed of the driving sheet and the rotation speed of the rotation shaft are slow, the rotation speed of the first cylinder and the second cylinder is slow, the centrifugal force of the second cylinder is small, the centrifugal force of the second cylinder is smaller than the tension of the first elastic piece, the plane of the hemispherical piece is abutted against the end face of the first cylinder, the third air hole and the second air hole are overlapped, the third air hole and the second air hole form a passage, purified gas in the second through hole enters the aluminum alloy solution through the second air hole and the fourth air hole, and then the purified gas is uniformly mixed in the aluminum alloy solution, and the purified gas absorbs harmful substances such as hydrogen in the aluminum alloy solution, the centrifugation of the aluminum alloy solution is gradually increased along with the increase of the rotation speed of the aluminum alloy solution, and then a middle low-edge high liquid level is formed on the upper surface of the aluminum alloy solution, the centrifugal force of the second cylinder is larger than the pulling force of the first elastic part, so that the second cylinder slides to one side of the inner wall of the furnace body, and further the third air hole and the second air hole are staggered, and then an open circuit is formed between the third air hole and the second air hole, further the purified gas in the second through hole enters the aluminum alloy solution through the fourth air hole, further the purified gas enters the aluminum alloy solution near the inner wall of the furnace body, and further the purified gas is uniformly mixed in the aluminum alloy solution under the circular motion of the aluminum alloy solution, and then purify the harmful substance such as hydrogen in the gas to the aluminum alloy solution and absorb, and then make the gas of purifying can both the even mixture when the aluminum alloy solution rotational speed is slow and the rotational speed is fast in the aluminum alloy solution, and then improve the concise degasification efficiency of aluminum alloy solution.
Preferably, the inner wall of the furnace body is provided with a poking plate; the poking plates are uniformly arranged at intervals along the circumferential direction of the furnace body; the poking plate is fixedly connected with the furnace body.
By arranging the stirring plate, the stirring plate generates acting force on the aluminum alloy solution, so that the rotating speed of the aluminum alloy solution is increased, the mixing speed of purified gas is increased, and the refining and degassing efficiency of the aluminum alloy solution is increased; stirring the aluminum alloy solution simultaneously by the stirring plate, and then increasing the mixed degree of aluminum alloy solution, and then improving the mixed degree of purified gas, and then improving the homogeneity that purified gas mixes, and then improving the adsorption effect of purified gas, and then reducing the quantity of harmful substance such as hydrogen in the aluminum alloy solution, and then improving the quality of aluminum alloy.
Preferably, the poking plate is provided with a first avoidance hole; the first avoidance holes are uniformly arranged at intervals.
Avoid the hole through setting up one number, and then some aluminum alloy solution dodges downthehole flowing through from one number, another part aluminum alloy solution flows through from the surface of stirring the board simultaneously, and then makes solution shunt and confluence, and then increases the mixed degree of aluminum alloy solution, and then improves the mixed degree of purifying gas, and then improves the homogeneity that purifies the gas mixture, and then improves the adsorption effect of purifying gas, and then reduces the quantity of harmful substance such as hydrogen in the aluminum alloy solution, and then improves the quality of aluminum alloy.
Preferably, vertical sliding rails are symmetrically arranged at two ends of the shell; a guide post is arranged in the vertical slide rail; the lower end of the guide post is connected with the vertical slide rail in a sliding manner; the upper end of the guide post is connected with the connecting piece; an air cylinder is arranged below the guide post; the cylinder is fixedly connected with the shell; and a piston rod of the cylinder is fixedly connected with the guide post.
Through setting up the cylinder, and then the piston rod of cylinder drives guide post reciprocating motion from top to bottom, and then drives connecting piece and axis of rotation reciprocating motion from top to bottom, and then drive defeated gas part reciprocating motion from top to bottom, and then increase the disorderly degree of purified gas, and then improve the homogeneity that purified gas mixes, and then improve the adsorption effect of purified gas, and then reduce the quantity of harmful substance such as hydrogen among the aluminum alloy solution, and then improve the quality of aluminum alloy.
Preferably, the upper end of the furnace body is provided with a covering part; the covering piece is sleeved outside the rotating shaft; the covering part is funnel-shaped; a second avoidance hole is formed in the covering part; the second avoidance holes are uniformly arranged at intervals.
When the rotating speed is too high, the aluminum alloy solution near the inner wall of the furnace body moves upwards to the upper end of the furnace body, the aluminum alloy is easy to splash out of the furnace body, and the covering piece is arranged to shield the aluminum alloy solution, so that the aluminum alloy solution moves downwards along the lower surface of the covering piece, the aluminum alloy solution is prevented from splashing out of the furnace body, and the aluminum alloy solution is prevented from affecting workers and equipment; dodge the hole through setting up No. two, and then the covering can warp, and then the gas transmission part can pass from No. two dodge the hole, and then makes things convenient for the delivery part installation and demolish, and then conveniently overhauls and clears up delivery part.
Preferably, the lower end of the shell is provided with a buffer piece; the buffer piece is fixedly connected with the shell.
The furnace body pivoted in-process can make the shell produce vibrations, and then reduces the stability of shell, can influence the normal work of heating furnace when serious, and through setting up the bolster, the bolster can absorb the vibrations of shell, and then reduces the vibrations of shell, and then improves the stability of heating furnace.
The invention has the following beneficial effects:
1. in the invention, an aluminum alloy solution is poured into a furnace body, an air pump works to enable purified gas to enter a first air pipe, the purified gas enters a first air hole, the purified gas enters a gas transmission part, the purified gas is introduced into the aluminum alloy solution by the gas transmission part, simultaneously, a first motor rotates to drive a second belt wheel to rotate, further, a first belt wheel is driven to rotate by a belt, further, a furnace body is driven to rotate, further, the inner wall of the furnace body generates friction force on the aluminum alloy solution, further, the aluminum alloy solution is driven to rotate, further, the aluminum alloy solution generates centrifugal force, further, the aluminum alloy solution continuously moves, further, the aluminum alloy solution is continuously mixed, further, the purified gas is uniformly mixed in the aluminum alloy solution, the purified gas adsorbs harmful substances such as hydrogen in the aluminum alloy solution in the mixing process, and further, the purified gas brings the harmful substances such as hydrogen out of the solution, the amount of harmful substances such as hydrogen in the aluminum alloy solution is reduced, the influence of the harmful substances such as hydrogen on the quality of the aluminum alloy is reduced, the quality of the aluminum alloy solution is improved, and the quality of the aluminum alloy is improved; through setting up the driving plate, aluminum alloy solution produces the effort to the driving plate when rotating, and then drives the driving plate and rotate, and then drives the axis of rotation and rotate, and then drives gas transmission part and rotate, and then increases the disorderly degree of purifying gas, and then improves the homogeneity that purifies the gas mixture, and then improves the adsorption effect who purifies the gas, and then reduces the quantity of harmful substance such as hydrogen in the aluminum alloy solution, and then improves the quality of aluminum alloy.
2. In the invention, the first elastic piece is arranged, so that the first elastic piece generates tension on the hemispherical piece, at the initial stage of the rotation of the furnace body, the rotation speed of the furnace body is slow, further the rotation speed of the aluminum alloy solution is slow, further the centrifugal force of the aluminum alloy solution is small, further the surface of the aluminum alloy solution is relatively flat, at the moment, the mixing speed of the aluminum alloy solution is slow, the rotation speed of the driving sheet and the rotation shaft is slow, further the rotation speed of the first cylinder and the second cylinder is slow, further the centrifugal force of the second cylinder is small, further the centrifugal force of the second cylinder is smaller than the tension of the first elastic piece, further the plane of the hemispherical piece is abutted against the end surface of the first cylinder, further the third air hole and the second air hole are overlapped, further the third air hole and the second air hole form a passage, further purified gas in the second through hole enters the aluminum alloy solution through the second air hole and the fourth air hole, then the purified gas is uniformly mixed in the aluminum alloy solution, the purified gas absorbs harmful substances such as hydrogen in the aluminum alloy solution, the centrifugation of the aluminum alloy solution is gradually increased along with the increase of the rotation speed of the aluminum alloy solution, a middle low-edge high liquid level is further formed on the upper surface of the aluminum alloy solution, the centrifugal force of the second cylinder is larger than the tensile force of the first elastic part, the second cylinder slides towards one side of the inner wall of the furnace body, the positions of the third air hole and the second air hole are staggered, a broken circuit is further formed between the third air hole and the second air hole, the purified gas in the second through hole enters the aluminum alloy solution through the fourth air hole, the purified gas enters the aluminum alloy solution near the inner wall of the furnace body, and the purified gas is uniformly mixed in the aluminum alloy solution under the circular motion of the aluminum alloy solution, and then purify the harmful substance such as hydrogen in the gas to the aluminum alloy solution and absorb, and then make the gas of purifying can both the even mixture when the aluminum alloy solution rotational speed is slow and the rotational speed is fast in the aluminum alloy solution, and then improve the concise degasification efficiency of aluminum alloy solution.
3. According to the invention, the stirring plate is arranged, so that the stirring plate generates acting force on the aluminum alloy solution, the rotating speed of the aluminum alloy solution is further improved, the mixing speed of purified gas is further improved, and the refining and degassing efficiency of the aluminum alloy solution is further improved; stirring the aluminum alloy solution simultaneously by the stirring plate, and then increasing the mixed degree of aluminum alloy solution, and then improving the mixed degree of purified gas, and then improving the homogeneity that purified gas mixes, and then improving the adsorption effect of purified gas, and then reducing the quantity of harmful substance such as hydrogen in the aluminum alloy solution, and then improving the quality of aluminum alloy.
4. According to the invention, the first avoidance hole is formed, so that a part of aluminum alloy solution flows through the first avoidance hole, and the other part of aluminum alloy solution flows through the surface of the shifting plate, so that the solution is subjected to flow division and confluence, the mixing degree of the aluminum alloy solution is increased, the mixing degree of purified gas is further improved, the mixing uniformity of the purified gas is further improved, the adsorption effect of the purified gas is further improved, the amount of harmful substances such as hydrogen in the aluminum alloy solution is further reduced, the quality of the aluminum alloy solution is further improved, and the quality of the aluminum alloy is further improved.
5. According to the invention, the air cylinder is arranged, the piston rod of the air cylinder drives the guide post to reciprocate up and down, the connecting piece and the rotating shaft are further driven to reciprocate up and down, the gas transmission component is further driven to reciprocate up and down, the disorder degree of purified gas is further increased, the uniformity of purified gas mixing is further improved, the adsorption effect of the purified gas is further improved, the quantity of harmful substances such as hydrogen in the aluminum alloy solution is further reduced, the quality of the aluminum alloy solution is further improved, and the quality of the aluminum alloy is further improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic view showing the overall structure of a heating furnace according to the present invention;
FIG. 2 is a schematic view showing the internal structure of the heating furnace of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of the gas delivery unit of the present invention;
FIG. 5 is a schematic structural view of a first cylinder in the present invention;
FIG. 6 is a schematic structural view of the No. two cylinder of the present invention;
FIG. 7 is a schematic view of the connecting socket of the present invention;
FIG. 8 is a schematic view of the construction of the cover member of the present invention;
in the figure: furnace body 1, a band pulley 11, a motor 12, No. two band pulleys 13, belt 14, shifting plate 15, a dodge hole 151, covering 16, No. two dodge holes 161, shell 2, vertical slide rail 21, cylinder 22, bolster 23, axis of rotation 3, a gas pocket 31, driver plate 32, connecting piece 4, guide post 41, gas transmission part 5, connecting seat 51, a cylinder 52, No. two gas pockets 521, No. two cylinders 53, No. two through-holes 531, No. three gas pockets 532, hemispherical 54, No. four gas pockets 541, No. one elastic component 55, air pump 6, an air pipe 61, heating coil 7.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in FIG. 1 and FIG. 2, a refining degassing heating furnace for aluminum alloy production comprises a furnace body 1, a shell 2 and a rotating shaft 3; the furnace body 1 is arranged in the shell 2; the furnace body 1 is rotationally connected with the shell 2; a connecting piece 4 is arranged above the shell 2; the connecting piece 4 is connected with the shell 2; the rotating shaft 3 is arranged on the connecting piece 4; the upper end of the rotating shaft 3 is rotatably connected with the connecting piece 4; a first air hole 31 is formed in the rotating shaft 3; the first air hole 31 is vertically arranged; the rotating shaft 3 is provided with a gas transmission part 5; the gas transmission parts 5 are uniformly arranged at intervals; the gas transmission part 5 is connected with the rotating shaft 3; the gas transmission component 5 is used for introducing purified gas into liquid; the lower end of the rotating shaft 3 is provided with a driving sheet 32; the driving plates 32 are uniformly arranged at intervals; the driving sheet 32 is fixedly connected with the rotating shaft 3; an air pump 6 is arranged on the connecting piece 4; the air pump 6 is fixedly connected with the connecting piece 4; the air pump 6 is communicated with the first air hole 31 through a first air pipe 61; a heating coil 7 is arranged in the shell 2; the heating coil 7 is fixedly connected with the shell 2; two ends of the heating coil 7 are respectively connected with two ends of a power supply; the heating coil 7 is used for heating liquid; the lower end of the furnace body 1 is provided with a first belt wheel 11; the first belt wheel 11 is fixedly connected with the furnace body 1; a first motor 12 is arranged on the shell 2; a second belt wheel 13 is arranged on a rotating shaft of the first motor 12; the second belt wheel 13 is connected with the first belt wheel 11 through a belt 14.
When the aluminum alloy furnace works, aluminum alloy solution is poured into the furnace body 1, the air pump 6 works, purified gas enters the first air pipe 61, purified gas enters the first air hole 31, purified gas enters the gas transmission part 5, the gas transmission part 5 introduces the purified gas into the aluminum alloy solution, the first motor 12 rotates to drive the second belt wheel 13 to rotate, the first belt wheel 11 is driven to rotate through the belt 14 to drive the furnace body 1 to rotate, the inner wall of the furnace body 1 generates friction force on the aluminum alloy solution to drive the aluminum alloy solution to rotate, the aluminum alloy solution generates centrifugal force to continuously move, the aluminum alloy solution is continuously mixed, the purified gas is uniformly mixed in the aluminum alloy solution, and harmful substances such as hydrogen and the like in the aluminum alloy solution are adsorbed by the purified gas in the mixing process, the purified gas brings harmful substances such as hydrogen out of the solution, so that the amount of the harmful substances such as hydrogen in the aluminum alloy solution is reduced, the influence of the harmful substances such as hydrogen on the quality of the aluminum alloy is reduced, the quality of the aluminum alloy solution is improved, and the quality of the aluminum alloy is improved; through setting up the driving plate 32, aluminum alloy solution produces the effort to driving plate 32 when rotating, and then drives driving plate 32 and rotate, and then drives axis of rotation 3 and rotate, and then drives gas transmission part 5 and rotates, and then increases the disorderly degree of purifying gas, and then improves the homogeneity that purifies the gas mixture, and then improves the adsorption efficiency who purifies the gas, and then reduces the quantity of harmful substance such as hydrogen in the aluminum alloy solution, and then improves the quality of aluminum alloy.
As shown in fig. 1 to 7, the gas transmission part 5 includes a connecting seat 51, a first cylinder 52 and a second cylinder 53; the rotating shaft 3 is sleeved with the connecting seat 51; the connecting seat 51 is fixedly connected with the rotating shaft 3; the first cylinder 52 is arranged on the connecting seat 51; the first cylinders 52 are uniformly arranged at intervals along the circumferential direction of the rotating shaft 3; one end of the first cylinder 52 is fixedly connected with the connecting seat 51; a first through hole is formed in the first cylinder 52; second air holes 521 are uniformly arranged on the outer surface of the first cylinder 52 at intervals; the second cylinder 53 is arranged in the first through hole; the second cylinder 53 is in clearance fit with the first through hole; a second through hole 531 is formed in the second cylinder 53; one end of the second through hole 531 is communicated with the first air hole 31; one end of the second cylinder 53 is provided with a hemispherical part 54; the hemispherical part 54 is fixedly connected with the second cylinder 53; four air holes 541 are uniformly arranged on the surface of the hemispherical part 54 at intervals; the fourth air hole 541 is communicated with the second through hole 531; a first elastic piece 55 is arranged outside the first cylinder 52; the first elastic piece 55 is sleeved outside the first cylinder 52; one end of the first elastic piece 55 is fixedly connected with the connecting seat 51; the other end of the first elastic element 55 is fixedly connected with the hemispherical element 54; no. two air holes 532 are evenly arranged on the outer surface of the cylinder 53 at intervals.
By arranging the first elastic member 55, the first elastic member 55 generates a pulling force on the hemispherical member 54, at the initial stage of the rotation of the furnace body 1, the rotation speed of the furnace body 1 is slow, the rotation speed of the aluminum alloy solution is slow, the centrifugal force of the aluminum alloy solution is small, the surface of the aluminum alloy solution is relatively flat, the mixing speed of the aluminum alloy solution is slow, the rotation speed of the driving sheet 32 and the rotation shaft 3 is slow, the rotation speed of the first cylinder 52 and the second cylinder 53 is slow, the centrifugal force of the second cylinder 53 is small, the centrifugal force of the second cylinder 53 is smaller than the pulling force of the first elastic member 55, the plane of the hemispherical member 54 is abutted against the end surface of the first cylinder 52, the third air hole 532 and the second air hole 521 are overlapped, the third air hole 532 and the second air hole 521 form a passage, and purified gas in the second through hole 531 enters the aluminum alloy solution through the second air hole 521 and the fourth air hole 541, then the purified gas is uniformly mixed in the aluminum alloy solution, the purified gas absorbs harmful substances such as hydrogen in the aluminum alloy solution, the centrifugation of the aluminum alloy solution is gradually increased along with the increase of the rotation speed of the aluminum alloy solution, a middle low-edge high liquid level is further formed on the upper surface of the aluminum alloy solution, the centrifugal force of the second cylinder 53 is larger than the pulling force of the first elastic part 55, the second cylinder 53 slides towards one side of the inner wall of the furnace body 1, the positions of the third air holes 532 and the second air holes 521 are staggered, an open circuit is formed between the third air holes 532 and the second air holes 521, the purified gas in the second through hole 531 enters the aluminum alloy solution through the fourth air holes, the purified gas enters the aluminum alloy solution near the inner wall of the furnace body 1, and the purified gas 541 is uniformly mixed in the aluminum alloy solution under the circular motion of the aluminum alloy solution, and then purify the harmful substance such as hydrogen in the gas to the aluminum alloy solution and absorb, and then make the gas of purifying can both the even mixture when the aluminum alloy solution rotational speed is slow and the rotational speed is fast in the aluminum alloy solution, and then improve the concise degasification efficiency of aluminum alloy solution.
As shown in fig. 2, a poking plate 15 is arranged on the inner wall of the furnace body 1; the poking plates 15 are uniformly arranged at intervals along the circumferential direction of the furnace body 1; the poking plate 15 is fixedly connected with the furnace body 1.
By arranging the stirring plate 15, the stirring plate 15 generates acting force on the aluminum alloy solution, so that the rotating speed of the aluminum alloy solution is increased, the mixing speed of purified gas is increased, and the refining and degassing efficiency of the aluminum alloy solution is improved; simultaneously, the stirring plate 15 stirs the aluminum alloy solution, and then increases the mixing degree of the aluminum alloy solution, and then improves the mixing degree of the purified gas, and then improves the uniformity of the purified gas mixing, and then improves the adsorption effect of the purified gas, and then reduces the amount of harmful substances such as hydrogen in the aluminum alloy solution, and then improves the quality of the aluminum alloy.
As shown in fig. 2, the toggle plate 15 is provided with a first avoidance hole 151; the first avoidance holes 151 are arranged at even intervals.
Through setting up one and dodging hole 151, and then some aluminum alloy solution flows through in dodging hole 151 from one, another part aluminum alloy solution flows through from the surface of dialling movable plate 15 simultaneously, and then make the solution shunt and the confluence, and then increase the degree of mixing of aluminum alloy solution, and then improve the degree of mixing of purge gas, and then improve the homogeneity that the purge gas mixes, and then improve the adsorption effect who purifies the gas, and then reduce the quantity of harmful substance such as hydrogen in the aluminum alloy solution, and then improve the quality of aluminum alloy.
As shown in fig. 1 and 2, vertical sliding rails 21 are symmetrically arranged at two ends of the housing 2; a guide post 41 is arranged in the vertical slide rail 21; the lower end of the guide post 41 is connected with the vertical slide rail 21 in a sliding manner; the upper end of the guide post 41 is connected with the connecting piece 4; an air cylinder 22 is arranged below the guide post 41; the cylinder 22 is fixedly connected with the shell 2; the piston rod of the cylinder 22 is fixedly connected with the guide post 41.
Through setting up cylinder 22, and then cylinder 22's piston rod drives guide post 41 reciprocating motion from top to bottom, and then drive connecting piece 4 and axis of rotation 3 reciprocating motion from top to bottom, and then drive gas transmission part 5 reciprocating motion from top to bottom, and then increase the disorderly degree of purified gas, and then improve the homogeneity that purifies the gas mixture, and then improve the adsorption effect of purified gas, and then reduce the quantity of harmful substance such as hydrogen in the aluminum alloy solution, and then improve the quality of aluminum alloy.
As shown in fig. 1, 2 and 8, a covering piece 16 is arranged at the upper end of the furnace body 1; the covering part 16 is sleeved outside the rotating shaft 3; the cover 16 is funnel-shaped; a second avoidance hole 161 is formed in the covering part 16; the second avoidance holes 161 are arranged at even intervals.
When the rotating speed is too high, the aluminum alloy solution near the inner wall of the furnace body 1 moves upwards to the upper end of the furnace body 1, the aluminum alloy is easy to splash out of the furnace body 1, and the covering part 16 is arranged to shield the aluminum alloy solution, so that the aluminum alloy solution moves downwards along the lower surface of the covering part 16, the aluminum alloy solution is prevented from splashing out of the furnace body 1, and the aluminum alloy solution is prevented from affecting workers and equipment; avoid hole 161 through setting up No. two, and then covering 16 can warp, and then gas transmission part 5 can pass from avoiding hole 161 No. two, and then makes things convenient for the conveying part installation and demolishs, and then conveniently overhauls and clears up conveying part.
As shown in fig. 1 and 2, a buffer member 23 is disposed at the lower end of the housing 2; the buffer member 23 is fixedly connected to the housing 2.
1 pivoted in-process of furnace body can make shell 2 produce vibrations, and then reduces shell 2's stability, can influence the normal work of heating furnace when serious, and through setting up bolster 23, bolster 23 can absorb shell 2's vibrations, and then reduces shell 2's vibrations, and then improves shell 2's stability, and then improves the stability of heating furnace.
When the aluminum alloy furnace works, aluminum alloy solution is poured into the furnace body 1, the air pump 6 works, purified gas enters the first air pipe 61, purified gas enters the first air hole 31, purified gas enters the gas transmission part 5, the gas transmission part 5 introduces the purified gas into the aluminum alloy solution, the first motor 12 rotates to drive the second belt wheel 13 to rotate, the first belt wheel 11 is driven to rotate through the belt 14 to drive the furnace body 1 to rotate, the inner wall of the furnace body 1 generates friction force on the aluminum alloy solution to drive the aluminum alloy solution to rotate, the aluminum alloy solution generates centrifugal force to continuously move, the aluminum alloy solution is continuously mixed, the purified gas is uniformly mixed in the aluminum alloy solution, and harmful substances such as hydrogen and the like in the aluminum alloy solution are adsorbed by the purified gas in the mixing process, the purified gas brings harmful substances such as hydrogen out of the solution, so that the amount of the harmful substances such as hydrogen in the aluminum alloy solution is reduced, the influence of the harmful substances such as hydrogen on the quality of the aluminum alloy is reduced, the quality of the aluminum alloy solution is improved, and the quality of the aluminum alloy is improved; through setting up the driving plate 32, aluminum alloy solution produces the effort to driving plate 32 when rotating, and then drives driving plate 32 and rotate, and then drives axis of rotation 3 and rotate, and then drives gas transmission part 5 and rotates, and then increases the disorderly degree of purifying gas, and then improves the homogeneity that purifies the gas mixture, and then improves the adsorption efficiency who purifies the gas, and then reduces the quantity of harmful substance such as hydrogen in the aluminum alloy solution, and then improves the quality of aluminum alloy.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides an aluminum alloy production is with concise degasification heating furnace which characterized in that: comprises a furnace body (1), a shell (2) and a rotating shaft (3); the furnace body (1) is arranged in the shell (2); the furnace body (1) is rotationally connected with the shell (2); a connecting piece (4) is arranged above the shell (2); the connecting piece (4) is connected with the shell (2); the rotating shaft (3) is arranged on the connecting piece (4); the upper end of the rotating shaft (3) is rotatably connected with the connecting piece (4); a first air hole (31) is formed in the rotating shaft (3); the first air hole (31) is vertically arranged; the rotating shaft (3) is provided with a gas transmission component (5); the gas transmission parts (5) are uniformly arranged at intervals; the gas transmission part (5) is connected with the rotating shaft (3); the gas transmission component (5) is used for introducing purified gas into liquid; the lower end of the rotating shaft (3) is provided with a driving sheet (32); the driving sheets (32) are uniformly arranged at intervals; the driving sheet (32) is fixedly connected with the rotating shaft (3); an air pump (6) is arranged on the connecting piece (4); the air pump (6) is fixedly connected with the connecting piece (4); the air pump (6) is communicated with the first air hole (31) through a first air pipe (61); a heating coil (7) is arranged in the shell (2); the heating coil (7) is fixedly connected with the shell (2); two ends of the heating coil (7) are respectively connected with two ends of a power supply; the heating coil (7) is used for heating liquid; the lower end of the furnace body (1) is provided with a first belt wheel (11); the first belt wheel (11) is fixedly connected with the furnace body (1); a first motor (12) is arranged on the shell (2); a second belt wheel (13) is arranged on a rotating shaft of the first motor (12); the second belt wheel (13) is connected with the first belt wheel (11) through a belt (14).
2. A refining degassing heating furnace for aluminum alloy production according to claim 1, characterized in that: the gas transmission component (5) comprises a connecting seat (51), a first cylinder (52) and a second cylinder (53); the rotating shaft (3) is sleeved with the connecting seat (51); the connecting seat (51) is fixedly connected with the rotating shaft (3); the first cylinder (52) is arranged on the connecting seat (51); the first cylinders (52) are uniformly arranged at intervals along the circumferential direction of the rotating shaft (3); one end of the first cylinder (52) is fixedly connected with the connecting seat (51); a first through hole is formed in the first cylinder (52); second air holes (521) are uniformly arranged on the outer surface of the first cylinder (52) at intervals; the second cylinder (53) is arranged in the first through hole; the second cylinder (53) is in clearance fit with the first through hole; a second through hole (531) is formed in the second cylinder (53); one end of the second through hole (531) is communicated with the first air hole (31); one end of the second cylinder (53) is provided with a hemispherical part (54); the hemispherical part (54) is fixedly connected with the second cylinder (53); four air holes (541) are uniformly arranged on the surface of the hemispherical part (54) at intervals; the fourth air hole (541) is communicated with the second through hole (531); a first elastic piece (55) is arranged outside the first cylinder (52); the first elastic piece (55) is sleeved outside the first cylinder (52); one end of the first elastic piece (55) is fixedly connected with the connecting seat (51); the other end of the first elastic part (55) is fixedly connected with the hemispherical part (54); no. three air holes (532) are uniformly arranged on the outer surface of the No. two cylinder (53) at intervals.
3. A refining degassing heating furnace for aluminum alloy production according to claim 2, characterized in that: the inner wall of the furnace body (1) is provided with a poking plate (15); the poking plates (15) are uniformly arranged at intervals along the circumferential direction of the furnace body (1); the poking plate (15) is fixedly connected with the furnace body (1).
4. A refining degassing heating furnace for aluminum alloy production according to claim 3, characterized in that: the poking plate (15) is provided with a first avoidance hole (151); the first avoidance holes (151) are uniformly arranged at intervals.
5. A refining degassing heating furnace for aluminum alloy production according to claim 4, characterized in that: vertical sliding rails (21) are symmetrically arranged at two ends of the shell (2); a guide post (41) is arranged in the vertical slide rail (21); the lower end of the guide post (41) is connected with the vertical slide rail (21) in a sliding manner; the upper end of the guide post (41) is connected with the connecting piece (4); a cylinder (22) is arranged below the guide post (41); the cylinder (22) is fixedly connected with the shell (2); and a piston rod of the air cylinder (22) is fixedly connected with the guide post (41).
6. A refining degassing heating furnace for aluminum alloy production according to claim 5, characterized in that: a covering part (16) is arranged at the upper end of the furnace body (1); the covering piece (16) is sleeved outside the rotating shaft (3); the covering piece (16) is funnel-shaped; a second avoidance hole (161) is formed in the covering piece (16); the second avoidance holes (161) are uniformly arranged at intervals.
7. A refining degassing heating furnace for aluminum alloy production according to claim 6, characterized in that: the lower end of the shell (2) is provided with a buffer piece (23); the buffer piece (23) is fixedly connected with the shell (2).
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| CN202210285804.5A CN114703386B (en) | 2022-03-22 | 2022-03-22 | Refining degassing heating furnace for aluminum alloy production |
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| CN202210285804.5A CN114703386B (en) | 2022-03-22 | 2022-03-22 | Refining degassing heating furnace for aluminum alloy production |
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Cited By (1)
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| CN115198127A (en) * | 2022-07-22 | 2022-10-18 | 中南大学 | Device for automatically and deeply purifying aluminum lithium alloy melt by gas heating |
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| CN114703386B (en) | 2022-10-25 |
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Effective date of registration: 20220930 Address after: 276000 Lixin new material industrial park, ceshan street, Luozhuang District, Linyi City, Shandong Province Applicant after: LINYI LIXIN ALUMINUM Co.,Ltd. Address before: 212300 Yunyang Danmian community, No. 13 Fuyang Road, Danyang City, Zhenjiang City, Jiangsu Province Applicant before: Liu Zhou |
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Denomination of invention: A refining degassing heating furnace for aluminum alloy production Effective date of registration: 20230420 Granted publication date: 20221025 Pledgee: Agricultural Bank of China Limited Linyi Luozhuang Branch Pledgor: LINYI LIXIN ALUMINUM Co.,Ltd. Registration number: Y2023980038454 |