Double-heat-storage type efficient aluminum melting furnace equipment

Abstract

The invention relates to the technical field of smelting furnaces, in particular to double-heat-storage type efficient aluminum melting furnace equipment which comprises a supporting frame, a frame body is fixedly connected to the top of the supporting frame, a crucible is fixedly connected into the frame body, and a heating coil for heating is wound on the peripheral wall of the crucible; a conveying assembly is embedded in the top of the frame, a valve is arranged at the bottom of the crucible, and a lower end opening of the valve is communicated with the discharging pipe. A first heat conduction frame is fixedly connected into the discharging pipe, and a filling space is formed between the outer side wall of the first heat conduction frame and the inner side wall of the discharging pipe. The multiple layers of buffer plates are arranged in a staggered mode, materials slide downwards layer by layer, the falling kinetic energy of the materials is effectively reduced, the materials are prevented from directly impacting molten aluminum in the crucible, and the sputtering risk is reduced; a plurality of nozzles are arranged at the bottom of the limiting plate, protective gas conveyed by the gas conveying pipe is sprayed out in parallel, pressure is applied above a material falling area, molten aluminum is prevented from splashing upwards and making contact with oxygen, production safety is guaranteed, and product quality is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of smelting furnaces, and particularly relates to a double-heat-storage type high-efficiency aluminum melting furnace device. BACKGROUND

[0002] A patent with publication (announcement) number CN222528295U discloses a high-efficiency aluminum melting furnace, which comprises a melting furnace body, a fixed plate is fixedly connected to one side of the inner wall of the melting furnace body, a motor is fixedly connected to one side of the fixed plate, a disc is fixedly connected to the output end of the motor, an annular moving block is arranged on one side of the disc, a moving block is fixedly connected to one side of the annular moving block, a feeding box is arranged in the melting furnace body, and the feeding box is fixedly connected to one side of the fixed plate; the moving block is in sliding connection with the feeding box.

[0003] A patent with publication (announcement) number CN221898240U discloses a crucible type aluminum melting furnace convenient for waste heat recovery, which comprises a crucible melting furnace and a feeding mechanism, the crucible melting furnace comprises a furnace body and a furnace cover, and the furnace cover is placed on the furnace body; the feeding mechanism comprises a bottom plate, the bottom plate is connected with a heat preservation outer shell through a hydraulic rod, an inner conveying pipe is arranged in the heat preservation outer shell, a spiral conveying assembly is arranged in the inner conveying pipe, the inner conveying pipe is in communication with the furnace cover through a discharge pipe, and a feeding hopper is fixedly connected to the lower part of the inner conveying pipe.

[0004] The existing smelting furnace device is operated by a screw conveyor to convey the material, and the screw conveyor conveys the material upward to the upper end of the smelting furnace for feeding. When the material is fed into the aluminum liquid, the solid falling from top to bottom enters the aluminum liquid and easily collides with the aluminum liquid, so that the aluminum liquid is splashed upward and reacts with the air above, and the generation of impurities is increased. SUMMARY

[0005] Therefore, the present application provides a double-heat-storage type high-efficiency aluminum melting furnace device to solve the above technical problems.

[0006] In order to achieve the above object, the present application adopts the following technical scheme: a double-heat-storage high-efficiency aluminum melting furnace device, comprising a support frame, a frame body fixedly connected to the top of the support frame, a crucible fixedly connected in the frame body, a heating coil wound on the outer circumferential wall of the crucible; a conveying assembly embedded in the top of the frame body, a valve provided at the bottom of the crucible, and an opening at the lower end of the valve in communication with a discharge pipe; a first heat-conducting frame fixedly connected in the discharge pipe, a filling space formed between the outer lateral wall of the first heat-conducting frame and the inner lateral wall of the discharge pipe, a phase change material filled in the filling space, a heat-removing frame fixedly connected in the filling space, a first conveying pipe and a second conveying pipe respectively connected to the lateral walls at both ends of the heat-removing frame, and the first conveying pipe and the second conveying pipe fixedly connected to the lateral wall of the discharge pipe; an adapter frame fixedly connected to the bottom of the discharge pipe, the adapter frame in communication with the first heat-conducting frame, a slanted frame bolted to the lateral wall of the adapter frame, an electromagnetic spring fixedly connected in the slanted frame, the other end of the electromagnetic spring fixedly connected to an adjusting plate, and the adjusting plate slidingly connected in the slanted frame; and a heat storage assembly fixedly connected to the lateral wall of the frame body.

[0007] Preferably, the conveying assembly comprises an auger frame embedded in the top of the frame body, a driving motor bolted to the top of the auger frame, a gear set rotatingly connected to the top of the auger frame and driven by the output shaft of the driving motor, a group of gears in the gear set fixedly connected to the center of the auger shaft, an auger fixedly connected to the outer circumferential wall of the auger shaft, and an inlet pipe and a discharge pipe respectively provided at the upper end and the lower end of the auger frame.

[0008] Preferably, the auger shaft is hollow to form an air guide cavity, the bottom region of the discharge pipe is connected to an extension pipe, and the bottom of the extension pipe is in communication with a buffer assembly. The buffer assembly comprises a buffer frame connected to the extension pipe at the upper end, a guide rod slidingly connected to the inner lateral wall of the buffer frame, a screw rod threadedly connected to the inner lateral wall of the buffer frame, the screw rod fixedly connected to the output shaft of an adapter motor, and the adapter motor bolted to the top of the frame body.

[0009] Preferably, the buffer frame is fixedly connected to an evaporation pipe, a driving wheel rotatingly connected in the evaporation pipe, a buffer plate fixedly connected to the left and right ends in the buffer frame, a plurality of groups of buffer plates staggered, and an incomplete gear rotatingly connected to the inner lateral wall of the buffer plate.

[0010] Preferably, the incomplete gear is coaxially connected to the driving wheel, the incomplete gear is engaged with the gear, the gear is rotatingly connected to the inner lateral wall of the buffer plate through a torsional spring, and a beating rod is fixedly connected to the center of the gear.

[0011] Preferably, the buffer frame is provided with a gas conveying pipe in communication with a storage cavity in a limiting plate, and the limiting plate is rotatingly connected to the bottom in the buffer frame.

[0012] Preferably, the buffer frame is provided with a connecting motor, the output shaft of the connecting motor is connected to the limiting plate, the bottom of the limiting plate is provided with a plurality of nozzles in communication with the storage cavity, and the gas flow output by the nozzles is parallelly arranged to the bottom of the limiting plate.

[0013] Preferably, the heat storage assembly comprises a liquid storage tank fixedly connected to the side wall of the frame body, and a water pump bolted to the side wall of the liquid storage tank, one end of the water pump being in communication with the liquid storage tank, and the other end of the water pump being in communication with the evaporation pipe.

[0014] Preferably, the liquid storage tank is connected with a return pipe, the return pipe being in communication with the auxiliary heating frame in the upper frame, and a liquid flow pipe being connected below the auxiliary heating frame and in communication with the liquid storage tank.

[0015] Preferably, an air guide pipe is fixedly connected in the upper frame, and the upper frame is filled with phase change material, one end of the air guide pipe being in communication with the second conveying pipe through a guide pump, and the other end of the air guide pipe being in communication with the first conveying pipe through two groups of three-way electromagnetic valves.

[0016] The present application has the following beneficial effects: In the present application, a hollow air guide cavity is formed in the auger shaft of the conveying assembly, and the cavity is in communication with the high-temperature gas zone in the furnace to form a hot air passage, so that the high-temperature gas in the frame body flows through the air guide cavity to uniformly heat the auger shaft and the blades during the conveying of the solid aluminum material, thereby fully preheating the aluminum material and increasing the heat exchange area between the material and the blades, significantly reducing the heat absorption load when the aluminum material enters the crucible, and saving energy.

[0017] The buffer assembly in the present application is arranged in multiple layers with the layers being staggered, and the material slides down layer by layer, effectively consuming the kinetic energy of the material, avoiding direct impact of the material on the molten aluminum liquid in the crucible, and reducing the risk of splashing; the bottom of the limiting plate is provided with multiple nozzles, the protective gas delivered by the gas delivery pipe is sprayed out in parallel, pressure is applied above the material falling area, the upward splashing of the aluminum liquid is prevented, the aluminum liquid is prevented from contacting oxygen, production safety is ensured, and product quality is improved. A first heat conduction frame is arranged in the discharge pipe, and the space between the outer side wall of the first heat conduction frame and the inner side wall of the discharge pipe is filled with phase change material, which can absorb the heat of the discharged aluminum liquid, and at the same time, the heat conduction frame is connected with the first and second conveying pipes, air is circulated in the system through the guide pump, and heat exchange is performed between the air and the phase change material, thereby realizing the recovery of heat in the frame body. The liquid is heated and evaporated or flows in the evaporation pipe, drives the driving wheel to rotate, drives the flapping rod to knock the buffer plate to shake off the adhered material, and at the same time, the heated and evaporated liquid or gas transfers heat to the phase change material in the auxiliary heating frame for heat storage, the air guide pipe is in communication with the second conveying pipe and the first conveying pipe, thereby further realizing the recovery and transfer of heat and improving the energy utilization rate; the heat stored in the heat storage system can be switched by the three-way electromagnetic valve, and the heated air can be supplied as hot air flow to other external uses, thereby expanding the application scenarios of energy.

[0018] When the molten aluminum is discharged, the electromagnetic spring in the inclined frame drives the adjusting plate to move, inserts into the left and right ends of the aluminum brick mold and contacts, shields the left and right ends of the mold, reduces the possibility of external objects contacting the mold and the molten aluminum, improves the sealing performance when the molten aluminum is injected into the mold, and ensures the forming quality. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic diagram of the present application; Figure 2 is a structural schematic diagram of the conveying assembly of the present application; Figure 3 is a structural schematic diagram of the buffer assembly of the present application Figure 1 ; Figure 4 is a structural schematic diagram of the auger frame of the present application; Figure 5 is a structural schematic diagram of the buffer assembly of the present application Figure 2 ; Figure 6 is a structural schematic diagram of the incomplete gear and gear of the present application; Figure 7 is a structural schematic diagram of the heat storage assembly of the present application; Figure 8 is a structural schematic diagram of the unloading pipe of the present application; Figure 9 is an A-A sectional view in the present application Figure 8 ; Figure 10 is a structural schematic diagram of the linking frame of the present application; Figure 11 is a structural schematic diagram of the use of two groups of three-way electromagnetic valves in the present application.

[0020] Wherein: support frame-1, frame-2, crucible-3, conveying assembly-4, valve-5, unloading pipe-6, first heat-conducting frame-7, phase change material-8, heat-removing frame-9, first conveying pipe-10, second conveying pipe-11, linking frame-12, inclined frame-13, electromagnetic spring-14, adjusting plate-15, heat storage assembly-16, auger frame-41, driving motor-42, gear set-43, auger shaft-44, feeding pipe-45, discharging pipe-46, air guiding cavity-47, telescopic pipe-48, buffer assembly-49, buffer frame-491, evaporation pipe-492, driving wheel-493, buffer plate-494, incomplete gear-495, gear-496, flapping rod-497, air conveying pipe-498, limiting plate-499, storage cavity-4910, guide rod-4911, screw rod-4912, linking motor-4913, liquid storage tank-161, water pump-162, return pipe-163, upper frame-164, auxiliary heating frame-165, liquid flow pipe-166, air guiding pipe-167. DETAILED DESCRIPTION

[0021] In order to further explain the technical solutions of the present application, the following will be described in detail through specific examples.

[0022] As shown in Figures 1 to 11 , the present application provides a double-heat accumulation type high-efficiency aluminum melting furnace equipment, which comprises a support frame 1, the top of the support frame 1 is fixedly connected with a frame body 2, which constitutes the main structure of the equipment, a crucible 3 is fixedly connected in the frame body 2, which is used as the final melting container for aluminum materials, a temperature sensor is arranged in the frame body 2, which is used for detecting the temperature in the frame body 2, real-time monitoring the environmental temperature in the furnace, and interlocking with the control system of the heating coil to realize accurate temperature control, a heating coil is wound around the outer peripheral wall of the crucible 3, which heats the frame body 2 and heats and melts the aluminum materials; Among them, the crucible 3 adopts graphite crucible (anti-oxidation coating) or silicon nitride combined with silicon carbide (Si3N4-SiC) refractory material.

[0023] Please refer to Figure 1 and Figure 8 , Figure 9 and Figure 10 , a conveying assembly 4 is embedded on the top of the frame body 2, which is used for conveying the molten materials, a valve 5 is arranged at the bottom of the crucible 3, which is used for controlling the discharge of the materials, and the lower end opening of the valve 5 is communicated with a discharge pipe 6; Among them, a first heat conduction frame 7 is fixedly connected in the discharge pipe 6, a filling space is formed between the outer side wall of the first heat conduction frame 7 and the inner side wall of the discharge pipe 6, a phase change material 8 is filled in the filling space, which is used for absorbing the temperature of the aluminum liquid and storing, a heat removal frame 9 is fixedly connected in the filling space, which is made of copper to improve the heat transfer effect, the both end side walls of the heat removal frame 9 are respectively connected with a first conveying pipe 10 and a second conveying pipe 11, the first conveying pipe 10 and the second conveying pipe 11 are fixedly connected with the side wall of the discharge pipe 6, and the phase change material 8 is used for absorbing and storing the heat of the aluminum liquid and releasing when needed; Among them, the heat removal frame 9 and the first heat conduction frame 7 can be made of high-thermal-conductivity metal, such as red copper (T2) or high-purity graphite; copper has extremely fast heat conduction, graphite has good heat conduction, high temperature resistance and aluminum liquid corrosion resistance. Both of them can quickly transfer the heat of the aluminum liquid to the phase change material.

[0024] Among them, the bottom of the discharge pipe 6 is fixedly connected with a connecting frame 12, the connecting frame 12 is communicated with the first heat conduction frame 7, the side wall of the connecting frame 12 is bolted with an inclined frame 13, an electromagnetic spring 14 is fixedly connected in the inclined frame 13, the other end of the electromagnetic spring 14 is fixedly connected with an adjusting plate 15, the electromagnetic spring 14 and the adjusting plate 15 are both provided with two groups, which are respectively arranged at the left and right ends of the inclined frame 13, and the adjusting plate 15 is slidingly connected with the inclined frame 13; Among them, a heat accumulation assembly 16 is fixedly connected with the side wall of the frame body 2.

[0025] As Figures 1-6 shown in the embodiment; conveying assembly 4 includes auger frame 41, auger frame 41 embedded in the top of the frame 2, auger frame 41 top bolted to a drive motor 42, drive motor 42 output shaft gear set 43 with auger frame 41 top rotating connection, gear set 43 by two sets of gears, gear set 43 in a group of gears center fixed connection with auger shaft 44, auger shaft 44 outer wall fixedly connected with auger, auger frame 41 upper and lower ends are respectively provided with a feeding pipe 45, discharge pipe 46; Wherein, please refer to Figure 4 , auger shaft 44 in the hollow formed a gas guide cavity 47, its upper and lower ends with the high temperature gas field communication, forming a hot air channel, the discharge pipe 46 bottom area with telescopic tube 48 connection, telescopic tube 48 bottom and buffer assembly 49 communication; Solid aluminum from the feeding pipe 45, is pushed down by the rotating auger, at the same time, the high temperature gas in the frame 2 flows through the guide cavity 47, auger shaft 44 and blade are heated evenly, thereby the aluminum in the conveying process is fully preheated, significantly reducing the heat absorption load when entering the crucible.

[0026] As Figures 3-6 shown in the embodiment; buffer assembly 49 includes buffer frame 491, buffer frame 491 upper end and telescopic tube 48 connection, buffer frame 491 inner side wall sliding connection with guide rod 4911, guide rod 4911 top and frame 2 inner top fixed connection, buffer frame 491 inner side wall thread connection with lead screw 4912, lead screw 4912 and adapter motor 4913 output shaft fixed connection, adapter motor 4913 bolted to the top of the frame 2, through the auxiliary adapter motor 4913 and lead screw 4912 to adjust the height of the buffer frame 491; adapter motor 4913 drive lead screw 4912, can accurately adjust the height of the buffer frame 491 in the vertical direction, so that its bottom and the molten aluminum liquid level to maintain the best distance; Wherein, the buffer frame 491 inner bottom through the heat insulating layer is provided with a distance sensor for detecting the distance between the lower liquid level; Wherein, please refer to Figure 3 and Figure 5The side wall of the buffer frame 491 is fixedly connected with an evaporation pipe 492. The upper end of the evaporation pipe 492 penetrates through the top of the frame body 2 and is communicated with the auxiliary heating frame 165. The upper end of the evaporation pipe 492 near the top region of the frame body 2 is telescopic. An inner cylinder and an outer cylinder are slidably sleeved together. When the buffer frame 491 moves up and down to adjust the position, the inner cylinder moves with the evaporation pipe 492, and the inner cylinder moves in the outer cylinder. The other end of the outer cylinder is connected with the upper end region of the evaporation pipe 492. The other end of the upper end region of the evaporation pipe 492 is used for communication with the auxiliary heating frame 165. The evaporation pipe 492 is rotatably connected with a driving wheel 493. The liquid can drive the driving wheel 493 to rotate when flowing. The left and right ends of the buffer frame 491 are fixedly connected with buffer plates 494. A plurality of buffer plates 494 are arranged staggered to consume the kinetic energy of the falling materials. The inner side wall of the buffer plate 494 is rotatably connected with an incomplete gear 495. The incomplete gear 495 is coaxially connected with the driving wheel 493. The incomplete gear 495 is engaged with a gear 496. The gear 496 is rotatably connected with the inner side wall of the buffer plate 494 through a torsional spring. The gear 496 is fixedly connected with a tapping rod 497 at the center. The driving wheel 493 drives the incomplete gear 495 to rotate, periodically engages and releases the gear 496 with the torsional spring, so that the tapping rod 497 fixed on the gear 496 generates a high-frequency tapping action, knocks the buffer plate 494, and shakes off the adhered materials. The side wall of the buffer frame 491 is provided with a gas conveying pipe 498. The gas conveying pipe 498 is communicated with a storage cavity 4910 in the limiting plate 499. The limiting plate 499 is rotatably connected to the bottom of the buffer frame 491. A connecting motor is arranged on the side wall of the buffer frame 491 through a heat insulation frame. The connecting motor is connected with the limiting plate 499. A plurality of nozzles are arranged on the bottom of the limiting plate 499. The nozzles are communicated with the storage cavity 4910. The gas flow output by the nozzles is parallelly arranged on the bottom of the limiting plate 499. The limiting plate 499 is made of silicon nitride (Si3N4) or silicon carbide (SiC) ceramic plate. It has high hardness, wear resistance and high temperature resistance.

[0027] As shown in Figure 1 and Figure 7 , in the embodiment, the heat storage assembly 16 includes a liquid storage tank 161. The liquid storage tank 161 is fixedly connected to the side wall of the frame body 2. A water pump 162 is bolted to the side wall of the liquid storage tank 161. One end of the water pump 162 is communicated with the liquid storage tank 161. The other end of the water pump 162 is communicated with the evaporation pipe 492 through a connecting pipe. The top of the liquid storage tank 161 is connected with a return pipe 163. The return pipe 163 is communicated with the auxiliary heating frame 165 in the upper frame 164. A liquid flow pipe 166 is connected below the auxiliary heating frame 165. The liquid flow pipe 166 is communicated with the liquid storage tank 161. The upper frame 164 is made of heat insulation material to improve the heat storage capacity of the phase change material in the upper frame 164. Please refer to Figure 7The upper frame 164 is fixedly connected with an air guide pipe 167, the upper frame 164 is filled with a phase change material 8, one end of the air guide pipe 167 is communicated with the second conveying pipe 11 through a guide pump, and the end of the air guide pipe 167 close to the frame body 2 is communicated with the first conveying pipe 10 through two groups of three-way electromagnetic valves, the two groups of three-way electromagnetic valves are connected with each other, and when air flows between the air guide pipe 167 and the first conveying pipe 10 and the second conveying pipe 11, the two groups of three-way electromagnetic valves are communicated with each other; When it is needed to convey hot air to the outer end, the two groups of three-way electromagnetic valves are disconnected, one group of three-way electromagnetic valves is used for guiding the pump to extract air from the outer end, and the other group of three-way electromagnetic valves is used for connecting with the conveying pipe of the conveying area outside (such as Figure 11 The).

[0028] The application provides a double-heat-storage type high-efficiency aluminum melting furnace device, and the working principle is as follows. When the aluminum material is melted, the material is placed into the inner part of the feeding pipe 45, then the gear set 43 is driven to rotate by the driving motor 42, the auger is driven to rotate by the auger shaft 44, the auger can convey the material to the discharging pipe 46, then the material falls into the buffer assembly 49 through the telescopic pipe 48, and then the material is conveyed downward to the crucible 3 through the buffer assembly 49, the crucible 3 is heated, the hot air in the frame body 2 enters the auger shaft 44 through the air guide cavity 47, and the auger shaft 44 and the auger are heated, so that the temperature of the auger as a whole and the auger frame 41 is increased, and the auger shaft 44 is rotatably connected with the flue gas recovery pipe outside, so that the flue gas is conveniently conveyed to the outside. In the melting process, when the material is added inside, the buffer frame 491 is driven to move by the control connecting motor 4913 through the screw rod 4912, so that the buffer frame 491 is close to the liquid above the crucible 3, when the material is conveyed to the telescopic pipe 48 through the preheating of the auger and falls into the buffer frame 491 and contacts the uppermost buffer plate 494, then the material slides downward layer by layer through the multiple buffer plates 494, finally falls on the limiting plate 499, and the two groups of limiting plates 499 are adjusted to rotate downward, so that the lower end region of the limiting plate 499 is close to the lower molten liquid region, then the material slides downward into the molten liquid through the limiting plate 499, and the splashing of the aluminum object falling into the molten liquid is avoided, and part of the aluminum liquid splashes upward and contacts the oxygen above; And the gas conveying pipe 498 is connected with the protective gas conveying end outside, the protective gas is conveyed into the storage cavity 4910 through the gas conveying pipe 498, then is conveyed to the bottom of the limiting plate 499 through the nozzle, is sprayed out in parallel with the limiting plate 499, air flow is blown to the upper side of the material falling region, and a pressure is applied to the upper region, so that the aluminum liquid is prevented from splashing upward. And in the process of conveying, the liquid in the accumulator 161 can be extracted by the water pump 162 into the evaporation pipe 492, and the liquid is heated and evaporated to be conveyed upward and push the driving wheel 493 to rotate, then the driving wheel 493 drives the incomplete gear 495 to rotate, the incomplete gear 495 drives the gear 496 to rotate, the gear 496 drives the flapping rod 497 to rotate through the torsional spring, and the flapping rod 497 quickly resets to impact the buffer plate 494, so that the retained material on the buffer plate 494 slides downward, avoiding the retention of material on the buffer plate 494; The heated and evaporated liquid or liquid is conveyed to the auxiliary heating frame 165 through the evaporation pipe 492, and the auxiliary heating frame 165 absorbs the heat of the liquid and then transfers the heat to the phase change material in the inside, and then the liquid flows back to the inside of the accumulator 161, when the melting is completed, the control valve 5 is opened, the aluminum liquid in the inside falls downward to the discharge pipe 6, and then is conveyed to the first heat conduction frame 7, the first heat conduction frame 7 contacts the phase change material 8 and absorbs the heat of the discharged aluminum liquid, and the air guide pump can be started to run, the air guide pump extracts the air in the second conveying pipe 11, so that the air is conveyed to the first conveying pipe 10, then the air enters the heat removal frame 9, and the air enters the second conveying pipe 11 and then flows back to the inside of the air guide pipe 167 to exchange heat with the air guide pipe 167, and the air guide pipe 167 transfers the heat to the phase change material in the inside, so that the heat in the process of melting the aluminum can be absorbed and stored, and the heat of the discharged aluminum liquid can be recovered; When the aluminum liquid is discharged outward, the aluminum brick mold can be placed below the inclined frame 13, the electromagnetic spring 14 in the inclined frame 13 is controlled to run, the electromagnetic spring 14 drives the adjusting plate 15 to move downward, the adjusting plate 15 is inserted into and contacts the left and right ends of the aluminum brick mold, and when the subsequent aluminum liquid slides downward to the mold through the connecting frame 12, the left and right ends of the mold are blocked, so that when the aluminum liquid is conveyed to the mold, the external objects are prevented from entering the mold and contacting the aluminum liquid, and the sealing performance of the aluminum liquid when injected into the mold is improved. In the subsequent process, the opening and closing of the delivery end of the two groups of three-way electromagnetic valves are controlled, so that the airflow conveyed by the air guide pump is preheated by the heat removal frame 9 and the air guide pipe 167, and then is conveyed to the outer end area through the other end of the other group of three-way electromagnetic valves, and provides hot airflow for the outer end area.

[0029] The above only describes the preferred examples of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing examples, the technical solutions recorded in the foregoing examples can be modified or some technical features can be replaced by equivalents for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A dual-regenerative high-efficiency aluminum melting furnace, comprising a support frame (1), a frame (2) fixedly connected to the top of the support frame (1), a crucible (3) fixedly connected inside the frame (2), and a heating coil for heating wound around the outer peripheral wall of the crucible (3); Its features are: The top of the frame (2) is fitted with a conveying assembly (4), and the bottom of the crucible (3) is fitted with a valve (5). The lower opening of the valve (5) is connected to the unloading pipe (6). A first heat-conducting frame (7) is fixedly connected inside the unloading pipe (6). A filling space is formed between the outer wall of the first heat-conducting frame (7) and the inner wall of the unloading pipe (6). The filling space is filled with phase change material (8). A heat-dissipating frame (9) is fixedly connected inside the filling space. A first conveying pipe (10) and a second conveying pipe (11) are respectively connected to the side walls of the two ends of the heat-dissipating frame (9). The first conveying pipe (10) and the second conveying pipe (11) are fixedly connected to the side wall of the unloading pipe (6). The bottom of the unloading pipe (6) is fixedly connected to a connecting frame (12), which is connected to the first heat-conducting frame (7). The side wall of the connecting frame (12) is bolted to an inclined frame (13), and an electromagnetic spring (14) is fixedly connected inside the inclined frame (13). The other end of the electromagnetic spring (14) is fixedly connected to an adjusting plate (15), and the adjusting plate (15) is slidably connected to the inclined frame (13). A heat storage component (16) is fixedly connected to the side wall of the frame (2).

2. The dual-regenerative high-efficiency aluminum melting furnace equipment according to claim 1, characterized in that: The conveying assembly (4) includes an auger frame (41), which is embedded in the top of the frame (2). A drive motor (42) is bolted to the top of the auger frame (41). The output shaft of the drive motor (42) drives the gear set (43) to rotate and connect with the top of the auger frame (41). The center of a set of gears in the gear set (43) is fixedly connected to the auger shaft (44). An auger is fixedly connected to the outer peripheral wall of the auger shaft (44). The upper and lower ends of the auger frame (41) are respectively provided with an inlet pipe (45) and a discharge pipe (46).

3. The dual-regenerative high-efficiency aluminum melting furnace equipment according to claim 2, characterized in that: The auger shaft (44) has a hollowed-out air guide cavity (47), the bottom area of ​​the discharge pipe (46) is connected to the telescopic pipe (48), and the bottom of the telescopic pipe (48) is connected to the buffer assembly (49); The buffer assembly (49) includes a buffer frame (491), the upper end of which is connected to the telescopic tube (48). A guide rod (4911) is slidably connected to the inner wall of the buffer frame (491), and a screw rod (4912) is threadedly connected to the inner wall of the buffer frame (491). The screw rod (4912) is fixedly connected to the output shaft of the connecting motor (4913), and the connecting motor (4913) is bolted to the top of the frame (2).

4. The dual-regenerative high-efficiency aluminum melting furnace equipment according to claim 3, characterized in that: An evaporator tube (492) is fixedly connected to the side wall of the buffer frame (491). A drive wheel (493) is rotatably connected inside the evaporator tube (492). Buffer plates (494) are fixedly connected to the left and right ends inside the buffer frame (491). Multiple sets of buffer plates (494) are staggered. An incomplete gear (495) is rotatably connected to the inner side wall of the buffer plate (494).

5. The dual-regenerative high-efficiency aluminum melting furnace equipment according to claim 4, characterized in that: The incomplete gear (495) is coaxially connected to the drive wheel (493), the incomplete gear (495) meshes with the gear (496), the gear (496) is rotatably connected to the inner wall of the buffer plate (494) through a torsion spring, and a flapping rod (497) is fixedly connected at the center of the gear (496).

6. The dual-regenerative high-efficiency aluminum melting furnace equipment according to claim 5, characterized in that: The side wall of the buffer frame (491) is provided with an air supply pipe (498), which is connected to the storage cavity (4910) in the limiting plate (499). The limiting plate (499) is rotatably connected to the bottom of the buffer frame (491).

7. The dual-regenerative high-efficiency aluminum melting furnace equipment according to claim 5, characterized in that: A connecting motor is provided on the side wall of the buffer frame (491). The output shaft of the connecting motor is connected to the limiting plate (499). Multiple sets of nozzles are provided at the bottom of the limiting plate (499). The nozzles are connected to the storage cavity (4910). The airflow output by the nozzles is parallel to the bottom of the limiting plate (499).

8. The dual-regenerative high-efficiency aluminum melting furnace equipment according to claim 1, characterized in that: The heat storage component (16) includes a liquid storage tank (161), which is fixedly connected to the side wall of the frame (2). A water pump (162) is bolted to the side wall of the liquid storage tank (161). One end of the water pump (162) is connected to the inside of the liquid storage tank (161), and the other end of the water pump (162) is connected to the inside of the evaporation tube (492).

9. The dual-regenerative high-efficiency aluminum melting furnace equipment according to claim 8, characterized in that: The top of the liquid storage tank (161) is connected to a return pipe (163), which is connected to the auxiliary heating frame (165) inside the upper frame (164). A liquid flow pipe (166) is connected below the auxiliary heating frame (165), which is connected to the liquid storage tank (161).

10. The dual-regenerative high-efficiency aluminum melting furnace equipment according to claim 9, characterized in that: An air guide pipe (167) is fixedly connected inside the upper frame (164). The upper frame (164) is filled with phase change material (8). One end of the air guide pipe (167) is connected to the second delivery pipe (11) through a guide pump, and the other end of the air guide pipe (167) is connected to the first delivery pipe (10) through two sets of three-way solenoid valves.

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