Fuel gas heat accumulating type aluminum alloy melting furnace

Abstract

The utility model relates to the technical field of aluminum alloy melting furnaces, and discloses a fuel gas heat accumulating type aluminum alloy melting furnace, which comprises a heat accumulating cylinder and a cover plate, the right end of the top side of the heat accumulating cylinder is fixedly connected with a protective box, the inside of the right end of the protective box is fixedly connected with a driving assembly for providing power, the front end of the protective box is rotatably connected with a driven shaft, and the driven shaft is connected with the cover plate. Gears are fixedly connected to the right ends of the driving assembly and the driven shaft, crushing rollers are fixedly connected to the left ends of the driving assembly and the driven shaft, an inclined plate is fixedly connected to the bottom side of the inner wall of the protection box, and a circular plate is fixedly connected to the right end of the driven shaft. According to the aluminum alloy raw material smashing device, the two smashing rollers can rotate towards the close side and extrude aluminum alloy raw materials, then the aluminum alloy raw materials fall onto the surfaces of the smashing rollers, the smashed alloy raw materials fall into the melting cylinder through the inclined faces, the contact area between the smashed alloy raw materials and a heat source is increased, and therefore the overall melting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum alloy melting furnace technical field especially relates to a gas heat accumulation type aluminum alloy melting furnace. BACKGROUND

[0002] The gas heat accumulation type aluminum alloy melting furnace is an industrial equipment that uses gas as energy and uses heat accumulation technology to melt aluminum alloy, and mainly uses heat accumulation bodies to realize heat recovery and reuse. During combustion, high-temperature flue gas passes through the heat accumulation bodies to transfer heat to the heat accumulation bodies, so that the temperature of the heat accumulation bodies rises. When the reversing valve switches, cold air or gas passes through the heated heat accumulation bodies, and the heat accumulation bodies release heat to the cold air or gas, so that they are preheated to a high temperature and then enter the furnace to participate in combustion, thereby improving the combustion efficiency and energy utilization rate.

[0003] The mixed gas burns in the furnace, releasing a large amount of heat. The high-temperature flue gas washes the heat accumulation bodies, and the heat accumulation bodies absorb heat and rise in temperature. When the set time is reached, the reversing valve switches, and the cold air or gas is preheated by the heated heat accumulation bodies and then enters the furnace to assist combustion. At the same time, the aluminum alloy raw materials are placed in the crucible or furnace bed in the furnace, which gradually melts under continuous high temperature.

[0004] However, in the prior art, some gas heat accumulation type aluminum alloy melting furnaces have the problem that the contact area of the aluminum alloy with the heat source is relatively small due to the difference in size of the aluminum alloy, the heat transfer path to the inside is relatively long, and it takes a longer time to completely melt, which reduces the overall melting efficiency and affects the production progress. Therefore, the gas heat accumulation type aluminum alloy melting furnace is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] To make up for the above shortcomings, the utility model provides a gas heat accumulation type aluminum alloy melting furnace, which aims to improve the problem that the melting is slow and the work efficiency is affected due to the difference in aluminum alloy body shape in the use process of some gas heat accumulation type aluminum alloy melting furnaces in the prior art.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A gas regenerative aluminum alloy melting furnace, comprising a regenerative cylinder and a cover plate, the top side right end of the regenerative cylinder is fixedly connected with a protective box, the right end inside of the protective box is fixedly connected with a power-provided driving assembly, the front end of the protective box is rotatably connected with a driven shaft, the right end of the driving assembly and the driven shaft are fixedly connected with a gear, the left end of the driving assembly and the driven shaft are fixedly connected with a crushing roller, the inner wall bottom side of the protective box is fixedly connected with an inclined plate, the right end of the driven shaft is fixedly connected with a round plate, the right side of the round plate is rotatably connected with a rotating plate through a pin, the bottom end of the rotating plate is rotatably connected with an opening plate, the bottom side of the opening plate is fixedly connected with a sliding plate, the bottom side of the sliding plate is fixedly connected with a connecting plate, the right side of the connecting plate is fixedly connected with a plurality of cleaning heads, the right end top of the regenerative cylinder is fixedly connected with an air outlet pipe, the right side of the air outlet pipe is fixedly connected with a protective frame;

[0008] As a further description of the above technical solution:

[0009] The right end of the protective frame is fixedly connected with a connecting pipe, the inside of the connecting pipe is fixedly connected with a filter plate, the bottom side of the regenerative cylinder is fixedly connected with a base frame, the inner wall of the regenerative cylinder is slidably connected with a melting cylinder, the front and back sides are both fixedly connected with guide blocks, the inner wall of the regenerative cylinder is fixedly connected with a plurality of placing frames, the left side of the base frame is fixedly connected with a spring, the left end of the base frame is fixedly connected with a fixed cylinder, the inside of the fixed cylinder is slidably connected with an air inlet pipe, the outside of the fixed cylinder is slidably connected with a sliding ring, the upper and lower ends of the fixed cylinder are both slidably connected with a limiting disc, the inside of the limiting disc is fixedly connected with a limiting column;

[0010] As a further description of the above technical solution:

[0011] The driving assembly comprises a motor, the outside of the motor is fixedly connected to the right end of the protective box, the driving end of the motor is fixedly connected with a rotating shaft;

[0012] As a further description of the above technical solution:

[0013] The outside of the rotating shaft is fixedly connected to the inner wall of one of the gears, the outside of the rotating shaft is fixedly connected to the inner wall of one of the crushing rollers;

[0014] As a further description of the above technical solution:

[0015] The two gears are meshedly connected, the bottom side of the cover plate and the top side of the melting cylinder;

[0016] As a further description of the above technical solution:

[0017] The inner wall of the protection frame is provided with a strip-shaped opening on both front and back sides, and the front and back ends of the connecting plate are respectively slidably connected inside the two strip-shaped openings;

[0018] As a further description of the above technical solution:

[0019] The far sides of the two limiting columns are respectively slidably connected to the upper and lower sides of the inner wall of the sliding ring, and the close ends of the two limiting columns are respectively slidably connected to the inner sides of the upper and lower ends of the air inlet pipe.

[0020] As a further description of the above technical solution:

[0021] The left end of the spring is fixedly connected to the right side of the sliding ring, and the outer parts of the two limiting columns are respectively slidably connected to the inner sides of the upper and lower ends of the sliding ring.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. In the utility model, the two crushing rollers can rotate to the close side and extrude the aluminum alloy raw material, then the crushed alloy raw material falls to the inside of the melting cylinder through the inclined surface, the contact area with the heat source is increased, and thus the overall melting efficiency is improved; meanwhile, the opening plate is driven to slide up and down, the sliding plate is driven to slide, the connecting plate and the plurality of cleaning heads on the surface are driven to reciprocate and clean the filter plate, the filtering effect is improved, and thus the gas recycling rate is improved.

[0024] 2. In the utility model, the spring is reset to push the sliding ring against the two limiting columns by loosening the pushing force on the sliding ring, the close ends of the two limiting columns can be clamped in the inside of the air inlet pipe, and thus the installation of the air inlet pipe can be quickly completed. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A perspective view of a gas heat accumulating type aluminum alloy melting furnace is provided for the utility model;

[0026] Figure 2 A structure schematic view of a placing frame of a gas heat accumulating type aluminum alloy melting furnace is provided for the utility model;

[0027] Figure 3 A zoomed-in view of A in 2;

[0028] Figure 4 A structure schematic view of a sliding plate of a gas heat accumulating type aluminum alloy melting furnace is provided for the utility model;

[0029] Figure 5 A structure schematic view of an air inlet pipe of a gas heat accumulating type aluminum alloy melting furnace is provided for the utility model;

[0030] Figure 6 The utility model provides a kind of protective box of gas regenerative aluminium alloy melting furnace structure schematic view is proposed for the utility model;

[0031] Figure 7 The utility model provides a kind of protective box of gas regenerative aluminium alloy melting furnace structure schematic view is proposed for the utility model.

[0032] Legend:

[0033] 1, heat storage cylinder;2, protective box;3, motor;4, rotating shaft;5, driven shaft;6, gear;7, crushing roller;8, inclined plate;9, round plate;10, rotating plate;11, opening plate;12, sliding plate;13, connecting plate;14, cleaning head;15, air outlet pipe;16, protective frame;17, strip-shaped opening;18, connecting pipe;19, filter plate;20, cover plate;21, base frame;22, melting cylinder;23, placing frame;24, air inlet pipe;25, spring;26, fixed cylinder;27, sliding ring;28, limit disc;29, limit column. Specific implementation

[0034] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0035] Reference Figure 1 , Figure 2 And Figure 7 An embodiment provided by the utility model: a kind of gas regenerative aluminium alloy melting furnace, including heat storage cylinder 1 and cover plate 20, heat storage cylinder 1 usually is made of alloy steel material, can withstand high temperature environment, guarantee that melting furnace is stably operated, cover plate 20 is used to close heat storage cylinder 1 top, prevent heat loss and foreign matter from entering. The top side right end of heat storage cylinder 1 is fixedly connected with protective box 2, protective box 2 is welded on heat storage cylinder 1, to provide stability. The right end inside of protective box 2 is fixedly connected with the driving assembly of power supply, and the driving assembly includes motor 3, to provide driving source. The outside of motor 3 is fixedly connected at the right end of protective box 2, is fixed by welding process, ensure stable and not shake when operating. The driving end of motor 3 is fixedly connected with rotating shaft 4, rotating shaft 4 is driven to rotate by starting motor 3. The front end of protective box 2 is rotatably connected with driven shaft 5, by the limitation of protective box 2, so that driven shaft 5 can stably rotate;

[0036] The right end of the driving assembly and the driven shaft 5 is fixedly connected with a gear 6, which is used for power transmission and changing the speed and direction. The two gears 6 are meshed, which ensures smooth power transmission and makes the driven shaft 5 rotate synchronously with the rotating shaft 4 driven by the motor 3. The outer part of the rotating shaft 4 is fixedly connected to the inner wall of one of the gears 6, and is fixed by welding process, which ensures the connection between the rotating shaft 4 and the gear 6 is firm and the power transmission is stable. The left end of the driving assembly and the driven shaft 5 is fixedly connected with a crushing roller 7, which has teeth on the surface for crushing materials and improving melting efficiency. The outer part of the rotating shaft 4 is fixedly connected to the inner wall of one of the crushing rollers 7 by welding process, which ensures the crushing roller 7 can rotate stably with the rotating shaft 4. The inner wall of the bottom side of the protection box 2 is fixedly connected with an inclined plate 8, which facilitates the sliding of the materials. The right end of the driven shaft 5 is fixedly connected with a circular plate 9, which rotates synchronously with the driven shaft 5.

[0037] Referring to Figures 2 to 4 The right side of the circular plate 9 is rotatably connected with a rotating plate 10 through a pin, and the rotating plate 10 can rotate flexibly under the driving of the circular plate 9 to realize force transmission. The bottom end of the rotating plate 10 is rotatably connected with an open plate 11, and the open plate 11 is rotatably connected with the rotating plate 10 through the rotating shaft 4. The bottom side of the open plate 11 is fixedly connected with a sliding plate 12, which slides up and down reciprocatingly under the driving of the open plate 11. The bottom side of the sliding plate 12 is fixedly connected with a connecting plate 13, and the sliding force is transmitted to the connecting plate 13 through the sliding plate 12. The right side of the connecting plate 13 is fixedly connected with a plurality of cleaning heads 14, which are used for cleaning dust. The right end of the top of the heat storage cylinder 1 is fixedly connected with an air outlet pipe 15, which is used for discharging waste gas generated by combustion. The right side of the air outlet pipe 15 is fixedly connected with a protection frame 16, which is fixed by welding process to provide stable support for the protection frame 16.

[0038] The inner wall of the protection frame 16 is provided with a strip-shaped opening 17 on the front and back sides, which is rectangular. The front and back ends of the connecting plate 13 are respectively slidably connected inside the two strip-shaped openings 17, which ensures smooth sliding of the connecting plate 13 and realizes reciprocating movement of the cleaning heads 14. The right end of the protection frame 16 is fixedly connected with a connecting pipe 18, which is fixed by welding process to provide stable support for the connecting pipe 18. The inside of the connecting pipe 18 is fixedly connected with a filter plate 19, which is used for filtering impurities in the waste gas. The bottom side of the heat storage cylinder 1 is fixedly connected with a base frame 21, which is used for placing fuel. The inner wall of the heat storage cylinder 1 is slidably connected with a melting cylinder 22, which is used for melting aluminum alloy. The bottom side of the cover plate 20 is closely attached to the top side of the melting cylinder 22 to prevent heat loss and ensure efficient melting process. The front and back sides of the melting cylinder 22 are fixedly connected with guide blocks, which cooperate with the inner wall of the heat storage cylinder 1 to guide the stable sliding of the melting cylinder 22. The inner wall of the heat storage cylinder 1 is fixedly connected with a plurality of placing frames 23, which are used for placing heat storage raw materials.

[0039] With reference to Figure 1 , Figure 5 and Figure 6 , the left side of the base frame 21 is fixedly connected with a spring 25, the spring 25 is fixed, so that the spring 25 can bear uniform stress. The left end of the base frame 21 is fixedly connected with a fixed cylinder 26, which is fixed by welding process, thereby providing stable support for the fixed cylinder 26. The inside of the fixed cylinder 26 is slidably connected with an air inlet pipe 24, which is used for conveying gas. The outside of the fixed cylinder 26 is slidably connected with a sliding ring 27, which is limited by the fixed cylinder 26, so that the sliding ring 27 can slide stably. The left end of the spring 25 is fixedly connected to the right side of the sliding ring 27, and the sliding ring 27 will squeeze the spring 25 during sliding, so that the spring 25 can store elastic potential energy, thereby giving the sliding ring 27 a force in the opposite direction for resetting. The upper and lower ends of the fixed cylinder 26 are slidably connected with a limiting disc 28, which is limited, so that the limiting disc 28 can slide stably. The inside of the limiting disc 28 is fixedly connected with a limiting column 29, which is prevented from falling by the limiting disc 28. The far sides of the two limiting columns 29 are respectively slidably connected to the inner walls of the sliding ring 27 on the upper and lower sides, which are resisted by the limiting column 29 to prevent the limiting column 29 from sliding. The proximal ends of the two limiting columns 29 are respectively slidably connected inside the upper and lower ends of the air inlet pipe 24, which limits and guides the air inlet pipe 24. The outer parts of the two limiting columns 29 are respectively slidably connected inside the upper and lower ends of the sliding ring 27, which further ensures the stable connection and accurate movement of the sliding ring 27 and the limiting column 29.

[0040] Working principle: first, put the heat storage raw materials on the multiple placing frames 23, then put the aluminum alloy raw materials into the inside of the protective box 2, then take out the cover plate 20 and expose the melting cylinder 22, at this time start the motor 3 to drive the rotating shaft 4 to rotate, thereby driving one of the gears 6 to rotate, thereby driving one of the crushing rollers 7 to rotate, then one of the gears 6 will drive the other gear 6 to rotate, at this time it will drive the driven shaft 5 to rotate, thereby driving the other crushing roller 7 to rotate, so that the two crushing rollers 7 can rotate to the proximal side and extrude the aluminum alloy raw materials, then fall to the surface of the crushing roller 7, through the inclined surface, so that the crushed alloy raw materials fall into the inside of the melting cylinder 22, thereby increasing the contact area with the heat source, thereby improving the overall melting efficiency;

[0041] And then the fuel through the base frame 21 front end of the door board open into, and then ignition, and through the shaft 4 fixed cylinder 26 installation, at this time hold the sliding ring 27 and exert pressure, so that the sliding ring 27 can extrude spring 25, so that spring 25 can store elastic potential energy, in turn to give sliding ring 27 a reverse force to reset, with the sliding ring 27 sliding, no longer against two limit column 29, at this time the installation of air pipe 24, make it can against two limit column 29 sliding, and then release the sliding ring 27 of the thrust, so that spring 25 can reset sliding ring 27 against two limit column 29, so that the two limit column 29 of the similar end can be engaged in the air pipe 24 inside, so as to quickly complete the installation of air pipe 24, and the gas is guided to the inside of the base frame 21, then the hot gas will be transported upward and absorbed by the heat storage material, and the aluminum alloy material in the melting cylinder 22 is heated, at this time there will be gas through the gas pipe 15 recycling;

[0042] And then through the gas through the filter plate 19, the impurities in the gas are filtered out, at this time the driven shaft 5 will also drive the rotating plate 10 to rotate, so as to drive the opening plate 11 reciprocating sliding up and down, so as to drive the sliding plate 12 to slide, in turn drive the connecting plate 13 and the surface of the plurality of cleaning head 14 down reciprocating movement and clean the filter plate 19, improve the filtering effect, so as to improve the gas recycling rate.

[0043] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application has been made, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A gas-fired regenerative aluminium alloy melting furnace comprising a regenerator (1) and a cover (20), characterised in that: The right end of the top side of the heat storage cylinder (1) is fixedly connected with a protection box (2), the right end of the inside of the protection box (2) is fixedly connected with a power-provided driving assembly, the front end of the protection box (2) is rotatably connected with a driven shaft (5), the right end of the driving assembly and the driven shaft (5) is fixedly connected with a gear (6), the left end of the driving assembly and the driven shaft (5) is fixedly connected with a crushing roller (7), the inner wall bottom side of the protection box (2) is fixedly connected with an inclined plate (8), the right end of the driven shaft (5) is fixedly connected with a round plate (9), the right side of the round plate (9) is rotatably connected with a rotating plate (10) through a pin, the bottom end of the rotating plate (10) is rotatably connected with an opening plate (11), the bottom side of the opening plate (11) is fixedly connected with a sliding plate (12), the bottom side of the sliding plate (12) is fixedly connected with a connecting plate (13), the right side of the connecting plate (13) is fixedly connected with a plurality of cleaning heads (14), the right side of the outlet pipe (15) is fixedly connected with a protection frame (16).

2. A gas-fired regenerative aluminum alloy melting furnace as defined in claim 1, wherein: The right end of the protection frame (16) is fixedly connected with a connecting pipe (18), the inside of the connecting pipe (18) is fixedly connected with a filter plate (19), the bottom side of the heat storage cylinder (1) is fixedly connected with a base frame (21), the inner wall of the heat storage cylinder (1) is slidably connected with a melting cylinder (22), the front and rear sides of the melting cylinder (22) are fixedly connected with guide blocks, the inner wall of the heat storage cylinder (1) is fixedly connected with a plurality of placing frames (23), the left side of the base frame (21) is fixedly connected with a spring (25), the left end of the base frame (21) is fixedly connected with a fixed cylinder (26), the inside of the fixed cylinder (26) is slidably connected with an air inlet pipe (24), the outside of the fixed cylinder (26) is slidably connected with a sliding ring (27), the upper and lower ends of the fixed cylinder (26) are slidably connected with limit discs (28), the inside of the limit disc (28) is fixedly connected with a limit post (29).

3. A gas-fired regenerative aluminum alloy melting furnace as defined in claim 1, wherein: The driving assembly comprises a motor (3), the outside of the motor (3) is fixedly connected to the right end of the protection box (2), and the driving end of the motor (3) is fixedly connected with a rotating shaft (4).

4. A gas-fired regenerative aluminium alloy melting furnace as claimed in claim 3, wherein: The outside of the rotating shaft (4) is fixedly connected to the inner wall of one of the gears (6), and the outside of the rotating shaft (4) is fixedly connected to the inner wall of one of the crushing rollers (7).

5. A gas-fired regenerative aluminum alloy melting furnace as defined in claim 2, wherein: The two gears (6) are meshedly connected, and the bottom side of the cover plate (20) is located on the top side of the melting cylinder (22).

6. A gas-fired regenerative aluminum alloy melting furnace as defined in claim 2, wherein: The front and rear sides of the inner wall of the protection frame (16) are both provided with strip-shaped openings (17), and the front and rear ends of the connecting plate (13) are respectively slidably connected in the interiors of two strip-shaped openings (17).

7. A gas-fired regenerative aluminum alloy melting furnace as defined in claim 2, wherein: The far sides of the two limit posts (29) are respectively slidably connected to the upper and lower sides of the inner wall of the sliding ring (27), and the close ends of the two limit posts (29) are respectively slidably connected to the interiors of the upper and lower ends of the air inlet pipe (24).

8. A gas-fired regenerative aluminum alloy melting furnace as defined in claim 2, wherein: The left end of the spring (25) is fixedly connected to the right side of the sliding ring (27), and the outer parts of the two limiting columns (29) are respectively slidably connected to the inner parts of the upper and lower ends of the sliding ring (27).

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