Molten aluminum refining device

Abstract

The invention provides a molten aluminum refining device. The molten aluminum refining device comprises a refining tank and a supporting mechanism. The refining tank comprises a main machine, a powder spraying pipe and a gas conveying pipe; one end of the air delivery pipe is communicated with the output port of the host, and the other end is provided with a grabbable joint assembly; one end of the powder spraying pipe is rotationally mounted at the joint assembly and communicates with the gas conveying pipe; a spray head is mounted at the other end; the powder spraying pipe is movably arranged on the supporting mechanism in a penetrating mode and swings with the supporting mechanism as a fulcrum. The supporting mechanism can drive the powder spraying pipe to rotate, and melt in the furnace is stirred through the spraying head; and the supporting mechanism is used as a supporting part, so that the powder spraying pipe swings and rotates conveniently, the working difficulty is reduced, and the refining efficiency and quality are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of aluminum smelting equipment, and more particularly to an aluminum liquid refining device. BACKGROUND

[0002] In smelting aluminum and aluminum alloy, generally need to refine the melt, that is, by various chemical or physical methods to remove inclusions and gas in the melt. Generally, the refining device is used to pass gas (such as chlorine, nitrogen, argon, etc.) and solid refining agent into the melt through the powder injection pipe for refining; at present, this operation mode is mostly manually inserted into the furnace by a long powder injection pipe, and the concrete foundation of the furnace opening is used as support to adjust or adjust the depth by swinging, the force is concentrated on the contact part of the furnace opening, which may cause the concrete to crack and peel off, causing damage and affecting the later use; and, limited by the shape, length and weight of the powder injection pipe, the adjusting action has horizontal swing, up and down swing, forward and backward movement, the swing action has large resistance, and it is actually difficult to effectively stir the aluminum liquid, which requires longer time for reaction, affecting the overall efficiency, and therefore needs to be improved. SUMMARY

[0003] In order to overcome the defects of the prior art, the technical problem to be solved by the present application is to provide an aluminum liquid refining device, which provides a support component to swing and rotate the powder injection pipe, reduces the work difficulty, and improves the refining efficiency and quality.

[0004] To achieve this purpose, the technical scheme adopted by the present application is as follows:

[0005] The present application provides an aluminum liquid refining device, comprising a refining tank and a supporting mechanism; the refining tank comprises a main machine, a powder injection pipe and a gas conveying pipe; one end of the gas conveying pipe is in communication with the output port of the main machine, and the other end is provided with a grippable joint assembly; one end of the powder injection pipe is rotatably installed at the joint assembly and in communication with the gas conveying pipe; the other end is provided with a spray head; the powder injection pipe is movably arranged on the supporting mechanism and swings around the supporting mechanism as the fulcrum; and the supporting mechanism can drive the powder injection pipe to rotate, and the molten liquid in the furnace is stirred by the spray head.

[0006] In the preferred technical scheme of the present application, the supporting mechanism comprises a supporting frame, a first supporting barrel, a second supporting barrel, a motor and a gear ring; two oppositely arranged first supporting plates are fixedly arranged on the top of the supporting frame, and the first supporting barrel is rotatably installed between the two first supporting plates; the second supporting barrel is rotatably installed at the first supporting barrel, and an arch frame is fixedly arranged on the top surface of the second supporting barrel; two oppositely arranged limiting frames are installed on the top surface of the arch frame, and the gear ring is rotatably installed between the two limiting frames; the motor is installed in the second supporting barrel and drives the gear ring to rotate through a transmission assembly; the center of the gear ring is provided with a prismatic hole, the cross-sectional shape of the powder injection pipe is adapted to the shape of the prismatic hole, the powder injection pipe is movably arranged in the prismatic hole and rotates with the gear ring.

[0007] In the preferred technical scheme of the present application, the top surface of the arch support is provided with a strip-shaped opening; the limiting frame comprises an L-shaped plate, the vertical part of the L-shaped plate is provided with a first through hole, and a first limiting ring is fixedly arranged outside the end opening of the strip-shaped opening; the two opposite wall surfaces of the gear ring are fixedly provided with a convex ring, the diameter of the convex ring is matched with the inner diameter of the first limiting ring; the first limiting ring is provided with a first plane bearing; the two limiting frames are installed on the top surface of the arch support through bolts, the gear ring is rotatably clamped between the two first limiting rings through the two first plane bearings, and is connected with the transmission assembly for transmission.

[0008] In the preferred technical scheme of the present application, the inner diameter of the first support barrel is matched with the outer diameter of the second support barrel; the bottom inner wall of the first support barrel is provided with a second plane bearing, the second support barrel is placed in the first support barrel, the bottom surface of the second support barrel abuts on the second plane bearing, and the outer wall of the second support barrel abuts and slides on the inner wall of the first support barrel; the top surface of the first support barrel is provided with at least two first threaded holes arranged in an array around the center circumference, for installing limiting bolts, and a grommet is sleeved on the limiting bolt; the grommet extends above the second support barrel and abuts on the top surface of the second support barrel in sliding mode.

[0009] In the preferred technical scheme of the present application, the bottom surface of the first support barrel is fixedly provided with a vertical plate, and the two ends of the vertical plate extend towards the two first support plates; the bottom of the vertical plate is provided with a plurality of guide holes penetrating through the two side walls; the frame of the support frame is provided with two guide frames mounted therein, the guide frame comprises a supporting plate, a plurality of guide rods are fixedly arranged on the wall surface of the supporting plate close to the vertical plate, the number of the guide rods is 1 / 2 of the number of the guide holes, the guide rods of the two guide frames are arranged in a staggered mode and are arranged in the corresponding guide holes; the guide hole is an arc-shaped hole structure matched with the swing track of the vertical plate; the guide rod is an arc-shaped rod structure matched with the shape of the guide hole; a spring is sleeved on each guide rod to provide swing support spring force for the first support barrel.

[0010] In the preferred technical scheme of the present application, the spray head comprises a shunt pipe, a sleeve is communicatively arranged in the middle part of the shunt pipe, the shape of the sleeve is matched with the shape of the end part of the powder spraying pipe, the sleeve is sleeved on the end part of the powder spraying pipe and is fixedly connected through bolts; the outer wall of the shunt pipe is provided with a plurality of discharge holes arranged in an array along the length direction.

[0011] In the preferable technical scheme of the present application, the joint assembly comprises a second support plate, and a circular hole is arranged on the second support plate; a first support ring is fixedly arranged on a wall surface of the second support plate; the end of the powder injection pipe away from the injection head is thickened to form a cylindrical section, the diameter of the cylindrical section is larger than the maximum outer diameter of the prism section of the powder injection pipe, the diameter of the cylindrical section is matched with the diameter of the circular hole; a snap ring is fixedly arranged on the outer wall of the end portion, and the inner diameter of the snap ring is matched with the inner diameter of the first support ring; a first flange plate is fixedly arranged on the outer wall of the port of the first support ring; a support pipe is fixedly arranged on the end of the gas delivery pipe away from the main machine, and the outer diameter of the support pipe is matched with the inner diameter of the cylindrical section; a second flange plate is fixedly arranged on the outer wall of the support pipe, a fourth plain bearing is arranged on the support pipe, the second flange plate is connected with the first flange plate through bolts, the end portion of the first support ring is shielded, and the fourth plain bearing is in sliding abutment with the end surface of the snap ring.

[0012] In the preferable technical scheme of the present application, a second support ring is fixedly arranged on the side wall of the second support plate away from the first support ring, and a support bearing is arranged in the second support ring, and the cylindrical section is arranged on the support bearing.

[0013] In the preferable technical scheme of the present application, a first handle is fixedly arranged on the side of the top surface of the second support plate close to the first support ring.

[0014] A second handle is fixedly arranged on the top of the side wall of the second support plate.

[0015] In the preferable technical scheme of the present application, a plurality of through holes penetrating the top surface are arranged on the side of the first handle close to the second support plate, and a control button is arranged in the through hole.

[0016] The present application has the following beneficial effects:

[0017] The present application provides an aluminum liquid refining device, which comprises a refining tank and a supporting mechanism; the refining tank comprises a main machine, a powder injection pipe and a gas delivery pipe; one end of the gas delivery pipe is in communication with the output port of the main machine, and the other end is provided with a grippable joint assembly; one end of the powder injection pipe is rotatably arranged at the joint assembly and is in communication with the gas delivery pipe to form a conveying passage; the joint assembly can provide a part for gripping, so that the powder injection pipe can be moved or swung to a desired position; the powder injection pipe is rotatably arranged on the joint assembly.

[0018] The other end of the powder spraying pipe is provided with a nozzle, the powder spraying pipe is movably arranged on the supporting mechanism, and the supporting mechanism is used as a pivot to swing; the supporting mechanism can drive the powder spraying pipe to rotate, the nozzle is used to stir the molten liquid in the furnace; the supporting mechanism provides a support for the powder spraying pipe, which can reduce the force applied during operation to a certain extent, and provides a swinging condition, which can expand the stirring coverage, reduce the dead angle area, and ensure the refining quality; the nozzle can meet the requirements of expanding the gas and powder spraying range, and can effectively stir the aluminum liquid when the supporting mechanism drives the rotation, so as to accelerate the mixing of the gas, the refining agent and the aluminum liquid, speed up the refining speed and improve the quality. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a three-dimensional structure schematic diagram of an aluminum liquid refining device provided in the specific embodiment of the present application;

[0020] Figure 2 is a three-dimensional structure schematic diagram of a supporting mechanism provided in the specific embodiment of the present application;

[0021] Figure 3 is a three-dimensional development structure schematic diagram of the supporting mechanism from a first perspective provided in the specific embodiment of the present application;

[0022] Figure 4 is a three-dimensional development structure schematic diagram of the supporting mechanism from a second perspective provided in the specific embodiment of the present application;

[0023] Figure 5 is a three-dimensional structure schematic diagram of a limiting frame provided in the specific embodiment of the present application;

[0024] Figure 6 is a three-dimensional structure schematic diagram of a refining pot provided in the specific embodiment of the present application;

[0025] Figure 7 is a sectional view of a gas conveying pipe, a joint assembly and a powder spraying pipe connecting part provided in the specific embodiment of the present application;

[0026] Figure 8 is a three-dimensional development structure schematic diagram of the gas conveying pipe, the joint assembly and the powder spraying pipe connecting part from a first perspective provided in the specific embodiment of the present application;

[0027] Figure 9 is a three-dimensional development structure schematic diagram of the gas conveying pipe, the joint assembly and the powder spraying pipe connecting part from a second perspective provided in the specific embodiment of the present application;

[0028] Figure 10 is a three-dimensional structure schematic diagram of a joint assembly provided in the specific embodiment of the present application.

[0029] In the drawings:

[0030] 100, refining tank; 110, main machine; 120, powder spraying pipe; 121, cylindrical section; 122, snap ring; 130, gas conveying pipe; 131, support pipe; 132, second flange plate;

[0031] 140, joint assembly; 141, second support plate; 142, round hole; 143, first support ring; 144, third plane bearing; 145, first flange plate; 146, fourth plane bearing; 147, second support ring; 148, support bearing; 1491, first handle; 1492, second handle; 150, spray head; 160, control button;

[0032] 200, support mechanism; 210, first support barrel; 211, vertical plate; 212, guide hole; 220, second support barrel; 221, arch; 230, support frame; 240, motor; 250, tooth ring; 251, prismatic hole; 252, convex ring; 260, limiting frame; 261, L-shaped plate; 262, first perforation; 263, first limiting ring; 270, transmission assembly; 281, first plane bearing; 282, second plane bearing; 290, guide frame; 291, guide rod; 292, spring. DETAILED DESCRIPTION

[0033] The technical solutions of the present application are further illustrated below by specific embodiments in combination with the drawings.

[0034] As shown in Figure 1 , Figure 6 , a molten aluminum refining device is disclosed in the specific embodiment of the present application, which comprises a refining tank 100 and a support mechanism 200; the refining tank 100 comprises a main machine 110, a powder spraying pipe 120 and a gas conveying pipe 130; one end of the gas conveying pipe 130 is in communication with the output port of the main machine 110, and the other end is provided with a grippable joint assembly 140; one end of the powder spraying pipe 120 is rotatably installed at the joint assembly 140 and is in communication with the gas conveying pipe 130; the other end is provided with a spray head 150; the powder spraying pipe 120 is movably arranged on the support mechanism 200 and swings around the support mechanism as a fulcrum; and the support mechanism 200 can drive the powder spraying pipe 120 to rotate, so that the molten liquid in the furnace is stirred by the spray head.

[0035] The above-mentioned molten aluminum refining device has the following advantages: one end of the powder spraying pipe is rotatably installed at the joint assembly and is in communication with the gas conveying pipe, forming a conveying passage; the joint assembly provides a gripping part, which facilitates the movement or swinging of the powder spraying pipe to the desired position; the powder spraying pipe is rotatably installed on the joint assembly, which provides the basic condition for rotation;

[0036] The support mechanism can provide a support position for the powder spraying pipe, can reduce the force applied during operation to a certain extent, can provide a swinging condition, can expand the stirring coverage, can reduce the dead angle area, and can ensure the refining quality; the setting of the spray head can meet the requirements of expanding the gas spraying and powder spraying range, and can effectively stir the aluminum liquid when the support mechanism drives the rotation, so that the mixing of the gas, the refining agent and the aluminum liquid is accelerated, the refining speed is accelerated, and the quality is improved.

[0037] The host machine mainly includes a tank, a quantitative feeding structure, and a pressure booster. The pressure booster pressurizes the nitrogen gas input from outside. The quantitative feeding structure puts the refining agent in the tank into the conveying pipeline. The gas flow after pressurization drives the refining agent to be sent to the spray head along the gas conveying pipe and the powder spraying pipe, and then the refining agent is sprayed into the aluminum liquid through the spray head. It should be noted that this type of cooperation and structure is well known to those skilled in the art, and will not be described in detail.

[0038] Further, as shown in Figures 2 to 4 The support frame 230 is provided with two oppositely arranged first support plates at the top, and the first support barrel 210 is rotatably installed between the two first support plates to form the basic condition for up-down swinging. The second support barrel 220 is rotatably installed at the first support barrel 210 to form the basic condition for left-right swinging. The top surface of the second support barrel 220 is fixedly provided with an arch frame 221, and the top surface of the arch frame 221 is provided with two oppositely arranged limiting frames 260. The gear ring 250 is rotatably installed between the two limiting frames 260. The motor 240 is installed in the second support barrel 220 and drives the gear ring 250 to rotate through a transmission assembly 270. The center of the gear ring 250 is provided with a prismatic hole 251, and the cross-sectional shape of the powder spraying pipe is matched with the shape of the prismatic hole. The powder spraying pipe 120 is movably arranged in the prismatic hole 251 and rotates with the gear ring 250. The powder spraying pipe is arranged in the prismatic hole to form the basic condition for forward and backward movement. Moreover, the gear ring is driven by the motor, and the powder spraying pipe rotates with the gear ring to form the rotating effect. Through the cooperation of the whole, multi-directional adjustment actions can be realized, the powder spraying range can be effectively expanded, the aluminum liquid can be stirred, and the refining efficiency and quality can be improved.

[0039] Further, the top surface of the arch frame is provided with a strip-shaped opening. As shown in Figure 5 The limiting frame 260 includes an L-shaped plate 261, and the vertical part of the L-shaped plate 261 is provided with a first through hole 262. The first through hole 262 is fixedly provided with a first limiting ring 263 outside the end port of the strip-shaped opening. As shown in Figure 3As shown, the two opposite walls of the gear ring 250 are fixedly provided with convex rings 252, the diameters of the convex rings 252 are adapted to the inner diameter of the first limiting ring 263; the first limiting ring 263 is provided with a first flat bearing 281; two limiting frames are installed on the top surface of the arch frame through bolts, the gear ring is clamped between the two first limiting rings through the two first flat bearings and is connected and driven with the transmission assembly; the gear ring is rotatably installed on the top of the arch frame through the two limiting frames and the first flat bearings, and the part where the powder spraying pipe passes through is also realized corresponding driving cooperation; wherein, the transmission assembly comprises a first gear, a first support shaft, a first sprocket, a second sprocket and a chain; the first gear and the first sprocket are both fixedly provided on the first support shaft, the first support shaft is rotatably installed in the inside of the arch frame through a bearing seat, and the first gear is in meshing transmission with the gear ring; the top surface of the second support barrel is provided with a first perforation for the chain to pass through corresponding to the first sprocket, a motor is installed in the inside of the second support barrel through bolts, the output shaft of the motor is fixedly provided with a second sprocket, and the second sprocket and the first sprocket are drivingly connected through the chain; the overall connection and driving is realized, the gear is driven to rotate through the motor, and then the powder spraying pipe is driven to rotate, the aluminum liquid is agitated through the spray head, and the overall reaction is accelerated through the jet and powder spraying actions, and the refining efficiency is accelerated; and by adopting this structure design, the motor can be protected to a certain extent from heat and protection through the second support barrel, and the transmission assembly is further used to reduce heat transfer and maintain a good operating environment.

[0040] Further, the second support barrel can adopt a structure with an inner interlayer for filling heat insulation and heat preservation materials to block the heat transfer to the inside and protect the motor.

[0041] Further, the inner diameter of the first support barrel 210 is adapted to the outer diameter of the second support barrel 220; the inner wall of the bottom of the first support barrel 210 is provided with a second flat bearing 282, the second support barrel is placed in the first support barrel, the bottom surface of the second support barrel abuts on the second flat bearing, and the outer wall of the second support barrel abuts the inner wall of the first support barrel to slide; the top surface of the first support barrel is provided with at least two first threaded holes which are distributed in an array around the center circumference for installing limiting bolts, and a grommet is sleeved on the limiting bolt; the grommet extends above the second support barrel and abuts on the top surface of the second support barrel to slide; the second support barrel is stably rotatably installed in the first support barrel to meet the required rotary swing requirements and can effectively prevent the second support barrel from being separated from the first support barrel during the up and down swing adjustment process.

[0042] Further, as shown in FIG. 8, the second support barrel 220 is provided with a plurality of second threaded holes which are distributed in an array around the center circumference and are used for installing limiting bolts, and a grommet is sleeved on each limiting bolt; the grommet extends above the first support barrel 210 and abuts on the top surface of the first support barrel 210 to slide; the second support barrel 220 is stably rotatably installed in the first support barrel 210 to meet the required rotary swing requirements and can effectively prevent the second support barrel 220 from being separated from the first support barrel 210 during the up and down swing adjustment process. Figure 3 , Figure 4As shown, the bottom center of the first supporting barrel 210 is fixedly provided with a vertical plate 211, the two ends of the vertical plate extend to the two first supporting plates, the bottom of the vertical plate 211 is provided with a plurality of guide holes 212 penetrating through the two side walls, the frame of the supporting frame 230 is provided with two guide frames 290, the guide frame 290 comprises a supporting plate, a plurality of guide rods 291 are fixedly arranged on the wall surface of the supporting plate close to the vertical plate, the number of the guide rods 291 is 1 / 2 of the number of the guide holes 212, the guide rods of the two guide frames are arranged in a staggered manner and are arranged in the corresponding guide holes, the guide hole 212 is an arc-shaped hole structure and is matched with the swing track of the vertical plate 211, the guide rod 291 is an arc-shaped rod structure and is matched with the shape of the guide hole 212, a spring 292 is sleeved on each guide rod 291 to provide swing supporting elastic force for the first supporting barrel, the structure design enables the vertical plate to maintain a state of upright swing and provides sufficient elastic force, so that the vertical plate will not be easily deformed or deviated, and the left-right swing, forward-backward movement and rotation will not be affected too much, when an upward or downward force is provided to the powder spraying pipe, the corresponding spring is compressed to achieve the required angle adjustment, and when the force is removed, the vertical plate can swing back to the original position under the action of the spring to maintain the horizontal placement position, so that the operation is convenient.

[0043] Further, the bottom surface of the supporting frame is provided with an inspection hole, a cover plate is arranged at the inspection hole, and the guide frame and the spring can be disassembled and assembled through the cover plate, further, the bottom surface of the supporting frame is provided with a second threaded hole at the four corner positions, and a supporting leg can be arranged on the second threaded hole, so that the height of the supporting mechanism can be adjusted according to the opening of the melting furnace, in actual use, the supporting mechanism is placed 1-2 meters outside the furnace opening, and the distance is adjusted according to the depth of the melting furnace and the length of the powder spraying pipe, so that the powder spraying pipe can be conveniently supported, the powder spraying pipe can be conveniently inserted into the furnace and the corresponding adjustment action can be conveniently performed, and the safety distance of the operator from the melting furnace is ensured, and the operation safety is improved.

[0044] Further, the middle part of the bottom surface of the first supporting barrel is provided with a first wire hole, the first wire hole penetrates through the side wall of the vertical plate, the top of the first wire hole is provided with a conductive slip ring, and the motor is electrically connected with the conductive slip ring through a wire, the side wall of the supporting frame is provided with a second wire hole, the wire of the conductive slip ring is arranged outside through the first wire hole and the second wire hole and connected with an external electric control box, so that power supply and signal transmission are realized, and start-stop control is realized.

[0045] Further, the spray head 150 comprises a shunt pipe, a sleeve is arranged at the middle part of the shunt pipe in a communication mode, the shape of the sleeve is matched with the shape of the end part of the powder spraying pipe, the sleeve is sleeved on the end part of the powder spraying pipe and is fixedly connected through a bolt, the outer wall of the shunt pipe is provided with a plurality of discharge holes which are arranged in an array along the length direction, so that sufficient powder spraying positions are provided and the discharge of the gas and the refining agent is accelerated, and after the spray head is installed in place, the direction of the spray head is perpendicular to the direction of the powder spraying pipe, so that an effective stirring effect can be achieved during rotation.

[0046] Further, as shown in FIG. 6,Figures 7 to 10 As shown, the joint assembly 140 includes a second support plate 141, and a round hole 142 is arranged on the second support plate 141; a first support ring 143 is fixedly arranged on a wall surface of the second support plate 141; the powder spraying pipe 120 is thickened at an end away from the nozzle 150 to form a cylindrical segment 121, the diameter of the cylindrical segment is greater than the maximum outer diameter of the prism segment of the powder spraying pipe, the diameter of the cylindrical segment 121 is matched with the diameter of the round hole 142; and a snap ring 122 is fixedly arranged on the outer wall of the end portion, and the inner diameter of the snap ring 122 is matched with the inner diameter of the first support ring 143; the third plane bearing 144 is sleeved on the cylindrical segment 121, the cylindrical segment 121 is arranged at the round hole 142, and the snap ring 122 is arranged in the first support ring 143; the first flange plate 145 is fixedly arranged on the outer wall of the port of the first support ring 143; the support pipe 131 is fixedly arranged at an end of the gas conveying pipe 130 away from the main machine, and the outer diameter of the support pipe 131 is matched with the inner diameter of the cylindrical segment 121; the second flange plate 132 is fixedly arranged on the outer wall of the support pipe 131, the fourth plane bearing 146 is sleeved on the support pipe 131, the second flange plate 132 is connected with the first flange plate 145 through bolts, the end portion of the first support ring is shielded, and the fourth plane bearing 146 is in sliding abutment with the end surface of the snap ring 122; under the cooperation of the structure, the end of the powder spraying pipe can be rotatably arranged in the joint assembly, the disengagement and deviation can be effectively prevented, a rotating fulcrum is provided for the end of the cylindrical segment of the powder spraying pipe, the other end of the powder spraying pipe is arranged in the prism hole as another rotating fulcrum, the powder spraying pipe can be stably rotated through the two fulcrums, and the required powder spraying effect and mixing action are realized.

[0047] Further, the second support ring 147 is fixedly arranged on the side wall of the second support plate 141 away from the first support ring, the support bearing 148 is arranged in the second support ring 147, and the cylindrical segment 121 is arranged on the support bearing 148, so that the connection between the powder spraying pipe and the joint assembly is further strengthened, a rotating support component is added, and the powder spraying pipe can be more stably rotated.

[0048] Further, the first handle 1491 is fixedly arranged on one side of the top surface of the second support plate 141 close to the first support ring; and the second handle 1492 is fixedly arranged on the top of the side wall of the second support plate 141; the two handles provide a position for two hands to grip, so that the force can be applied conveniently, and the joint assembly can be conveniently adjusted and placed to the required position.

[0049] Further, a plurality of through holes penetrating the top surface are arranged on one side of the first handle 1491 close to the second support plate, and the control button 160 is arranged in the through hole; the control button is electrically connected with the main machine through wires, the main machine is electrically connected with the electric control box, so that the motor start-stop, powder spraying start-stop and other actions can be realized through the control button, the adjustment can be completed at the position of the joint assembly that is gripped, and the actual adjustment operation is convenient; the wires can be tied on the gas conveying pipe to prevent winding and knotting, and the wires are convenient to drag and use.

[0050] The application is described by preferred embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to the features and embodiments without departing from the spirit and scope of the application. The application is not limited by the specific embodiments disclosed herein, and other embodiments falling within the claims of the application are within the scope of the application.

Claims

1. A molten aluminum refining device, characterized in that: comprising a refining tank and a supporting mechanism; the refining tank comprises a main machine, a powder injection pipe and a gas conveying pipe; one end of the gas conveying pipe is communicated with the output port of the main machine, and the other end is provided with a grippable joint assembly; one end of the powder injection pipe is rotatably installed at the joint assembly and communicated with the gas conveying pipe; the other end of the powder injection pipe is provided with a spray head; the powder injection pipe is movably arranged on the supporting mechanism and swings around the supporting mechanism as a fulcrum; and the supporting mechanism can drive the powder injection pipe to rotate and agitate the molten liquid in the furnace through the spray head.

2. The molten aluminum refining device according to claim 1, characterized in that: the supporting mechanism comprises a supporting frame, a first supporting barrel, a second supporting barrel, a motor and a gear ring; the top of the supporting frame is fixedly provided with two oppositely arranged first supporting plates, and the first supporting barrel is rotatably installed between the two first supporting plates; the second supporting barrel is rotatably installed at the first supporting barrel, and the top surface of the second supporting barrel is fixedly provided with an arch frame; the top surface of the arch frame is provided with two oppositely arranged limiting frames, and the gear ring is rotatably installed between the two limiting frames; the motor is installed in the second supporting barrel and drives the gear ring to rotate through a transmission assembly; the center of the gear ring is provided with a prismatic hole, the cross-sectional shape of the powder injection pipe is adapted to the shape of the prismatic hole, and the powder injection pipe is movably arranged in the prismatic hole and rotates with the gear ring.

3. The molten aluminum refining device according to claim 2, characterized in that: the top surface of the arch frame is provided with a strip-shaped opening in the center; the limiting frame comprises an L-shaped plate, the upright part of the L-shaped plate is provided with a first through hole, and a first limiting ring is fixedly arranged outside the end port of the strip-shaped opening close to the first through hole; the two opposite wall surfaces of the gear ring are fixedly provided with convex rings, and the diameters of the convex rings are adapted to the inner diameters of the first limiting rings; the first limiting ring is provided with a first flat bearing inside; the two limiting frames are bolted to the top surface of the arch frame, the gear ring is rotatably clamped between the two first limiting rings through the two first flat bearings, and the gear ring is connected to the transmission assembly for transmission.

4. The molten aluminum refining device according to claim 2, characterized in that: the inner diameter of the first supporting barrel is adapted to the outer diameter of the second supporting barrel; the bottom inner wall of the first supporting barrel is provided with a second flat bearing, the second supporting barrel is placed in the first supporting barrel, the bottom surface of the second supporting barrel abuts on the second flat bearing, and the outer wall of the second supporting barrel slides against the inner wall of the first supporting barrel; the top surface of the first supporting barrel is provided with at least two first threaded holes which are arrayed around the central circumference, for installing limiting bolts, and a grommet is sleeved on the limiting bolts; the grommet extends above the second supporting barrel and slides against the top surface of the second supporting barrel.

5. The molten aluminum refining device according to claim 4, characterized in that: the bottom surface of the first supporting barrel is fixedly provided with a stand in the center, and the two ends of the stand extend towards the two first supporting plates; the bottom of the stand is provided with a plurality of guide holes penetrating through the two side walls; the supporting frame is provided with two guide frames inside, and the guide frame comprises a supporting plate, a plurality of guide rods are fixedly arranged on the wall surface of the supporting plate close to the stand, the number of the guide rods is 1 / 2 of the number of the guide holes, the guide rods of the two guide frames are arranged in a staggered manner and are arranged in the corresponding guide holes; ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The guide hole is an arc-shaped hole structure, which is adapted to the swing track of the vertical plate; the guide rod is an arc-shaped rod structure, which is adapted to the shape of the guide hole; A spring is sleeved on each guide rod to provide swing support elastic force for the first support barrel. 6.The molten aluminum refining device according to claim 2, characterized in that: The spray head comprises a shunt pipe, a sleeve is arranged in the middle of the shunt pipe, the shape of the sleeve is adapted to the shape of the end of the powder spraying pipe, the sleeve is sleeved on the end of the powder spraying pipe and is fixedly connected through bolts; The outer wall of the shunt pipe is provided with a plurality of discharge holes which are arrayed along the length direction. 7.The molten aluminum refining device according to claim 2, characterized in that: The joint assembly comprises a second support plate, and a circular hole is arranged on the second support plate; A first support ring is fixedly arranged on one wall surface of the second support plate; The end of the powder spraying pipe away from the spray head is thickened to form a cylindrical segment, the diameter of the cylindrical segment is greater than the maximum outer diameter of the prism segment of the powder spraying pipe, the diameter of the cylindrical segment is adapted to the diameter of the circular hole, and a snap ring is fixedly arranged on the outer wall of the end portion, and the inner diameter of the snap ring is adapted to the inner diameter of the first support ring; A third plain bearing is sleeved on the cylindrical segment, the cylindrical segment is arranged in the circular hole, and the snap ring is arranged in the first support ring; A first flange plate is fixedly arranged on the outer wall of the port of the first support ring; A support pipe is fixedly arranged on the end of the gas conveying pipe away from the main machine, the outer diameter of the support pipe is adapted to the inner diameter of the cylindrical segment, a second flange plate is fixedly arranged on the outer wall of the support pipe, a fourth plain bearing is sleeved on the support pipe, the second flange plate is connected with the first flange plate through bolts, the end portion of the first support ring is shielded, and the fourth plain bearing is in sliding abutment with the end surface of the snap ring. 8.The molten aluminum refining device according to claim 7, characterized in that: A second support ring is fixedly arranged on the side wall of the second support plate away from the first support ring, a support bearing is mounted in the second support ring, and the cylindrical segment is arranged and mounted on the support bearing. 9.The molten aluminum refining device according to claim 7, characterized in that: A first handle is fixedly arranged on one side of the top surface of the second support plate close to the first support ring; A second handle is fixedly arranged on the top of the side wall of the second support plate. 10.The molten aluminum refining device according to claim 9, characterized in that: A plurality of through holes penetrating through the top surface are arranged on one side of the first handle close to the second support plate, and a control button is mounted at the through hole.

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