Reverberatory furnace aluminum water blowing refining device

Abstract

The utility model relates to the technical field of reverberatory furnaces, and discloses a reverberatory furnace molten aluminum blowing refining device which comprises a bottom plate, a base is hinged to the top end face of the bottom plate, a furnace body is fixedly connected to the top end face of the base, a hearth is formed in the inner wall of the furnace body, and the bottom end face of the hearth is fixedly connected with the bottom plate. And an air blowing assembly is arranged in the hearth. According to the molten aluminum blowing refining device of the reverberatory furnace, when blowing is not carried out, the blowing openings are shielded through the hinge plates, cold air is prevented from being introduced accidentally, the stability of the furnace temperature is affected, and unnecessary oxidation is avoided, the multiple sets of blowing openings are distributed in the bottom of the shell, and the multi-point exhaust design is adopted, so that air is exhausted more evenly; the herringbone blowing ports enable air to collide with each other in the furnace body to generate turbulent flow, so that the airflow is easier to diffuse to the periphery, the uniformity is further improved, the speed is reduced after the two airflows collide with each other, the problem of local high-speed airflow is reduced, and the overall refining effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reverberatory furnace, concretely is a kind of reverberatory furnace aluminium water gas blowing refining device. BACKGROUND

[0002] In order to facilitate layered slag, oxidation refining furnace usually adopts converter type, but converter generally needs to use fuel oil as fuel, and the operation cost is high.

[0003] The existing method is to realize layered slagging through tiltable reverberatory furnace, and the existing tiltable layered slagging oxidation refining reverberatory furnace includes a furnace body, a hearth formed by refractory material is arranged in the furnace body, a combustion chamber is arranged on one side of the hearth, a through hole is arranged between the combustion chamber and the hearth to form a fire bridge, a fuel inlet is arranged on the wall of the combustion chamber, an air chamber is arranged below the combustion chamber, a blast port is arranged on the side wall of the air chamber, and an air inlet is arranged between the air chamber and the combustion chamber.

[0004] However, the above-mentioned reverberatory furnace has the following problems in actual use: since the gas blowing port is only one group, the oxidation refining is carried out by contacting air with molten metal to remove impurities, and a single gas blowing port can cause excessive oxidation in some areas and insufficient oxidation in areas far away from the gas blowing port, thereby affecting the overall refining effect. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of reverberatory furnace aluminium water gas blowing refining device to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of reverberatory furnace aluminium water gas blowing refining device, including bottom plate, the top end surface of the bottom plate is fixedly connected with boss, the top end surface of the bottom plate is hinged with base, the top end surface of the base is fixedly connected with furnace body, the inner wall of the furnace body is opened with hearth, the hearth is provided with gas blowing component, the gas blowing component includes:

[0007] Shell, the top end surface of the shell is fixedly connected with inlet pipe, the inside bottom surface of the shell is opened with gas blowing port;

[0008] Hinged plate, the top end surface of the hinged plate is fixedly connected with connecting rope, the bottom end surface of the movable frame is fixedly connected with the end of the connecting rope away from the hinged plate;

[0009] Driving motor, the output end of the driving motor is fixedly connected with threaded rod, the top end surface of the furnace body is fixedly connected with vertical rod.

[0010] Preferably, the top end surface of the bottom plate is provided with a slag bucket, the top end surface of the bottom plate is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a screw rod, the side wall of the screw rod is threadedly connected with a threaded block, the side wall of the threaded block is fixedly connected with an extension rod, and the end surface of the extension rod is hingedly connected with the base.

[0011] Preferably, the inner wall of the furnace body is provided with a combustion chamber, the inner wall of the combustion chamber is provided with a fire bridge, the fire bridge communicates the combustion chamber with the hearth, and the combustion chamber is provided with a fuel inlet at a side away from the fire bridge.

[0012] Preferably, the inner wall of the furnace body is provided with an air chamber, the inner top surface of the air chamber is provided with an air inlet, the air inlet communicates the combustion chamber with the air chamber, and the side wall of the air chamber is provided with an air blowing port.

[0013] Preferably, the inner wall of the hearth is provided with a feeding port, the hearth is provided with a water jacket slag port and a flue port at an end away from the fire bridge, and the flue port is located above the water jacket slag port.

[0014] Preferably, the air blowing port is arranged in a herringbone shape, the shell is fixedly connected to the inner top surface of the hearth, the hinged plate is hingedly connected to the inner wall of the shell, the driving motor is fixedly connected to the top end surface of the furnace body, the threaded rod is threadedly connected with the movable frame, and the vertical rod is telescopically connected with the movable frame. The herringbone-shaped air blowing port makes the air collide in the furnace body, generates turbulent flow, makes the airflow more easily diffuse to the surrounding, and improves uniformity.

[0015] Preferably, the inner wall of the furnace body is inserted with a plug body, and the inner wall of the plug body is telescopically connected with the connecting rope. The plug body is arranged to prevent the airflow from being discharged out of the furnace body through the gap between the connecting rope and the furnace body.

[0016] Preferably, the side wall of the air inlet pipe is fixedly connected with a connecting rod, and the bottom end surface of the connecting rod is fixedly connected with an arc-shaped disc.

[0017] Compared with the prior art, the reflective furnace aluminum water air blowing refining device has the following beneficial effects:

[0018] 1. The reflective furnace aluminum water air blowing refining device, by arranging the air blowing assembly, the air blowing port is shielded by the hinged plate when air blowing is not performed, the high-temperature gas and impurities in the furnace are isolated, the integrity and long-term stability of the air blowing system are protected, accidental introduction of cold air is prevented, the stability of the furnace temperature is affected, unnecessary oxidation is caused, a plurality of groups of air blowing ports are distributed at the bottom of the shell, a multi-point exhaust design is adopted, air is more uniformly discharged, the herringbone-shaped air blowing port makes the air collide in the furnace body, generates turbulent flow, makes the airflow more easily diffuse to the surrounding, further improves uniformity, after the two airflows collide, the speed decreases, the energy is dispersed, the problem of local high-speed airflow is reduced, and the overall refining effect is improved.

[0019] 2、The air blowing refining device of the reverberatory furnace aluminum water passes through the arc-shaped disc that is set, the center of the arc-shaped disc is higher, the periphery is lower, air flows into the shell more uniformly, thereby ensuring that the airflow at multiple air blowing ports is consistent, avoiding the problem that local air volume is too large or too small, and improving the uniformity of oxidation refining. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the cross section structure of the furnace body of the utility model;

[0022] Figure 3 It is a schematic diagram of the cross section structure of the shell of the utility model;

[0023] Figure 4 It is a schematic diagram of the utility model Figure 3 A region structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the cross section structure of the air blowing port of the utility model;

[0025] Figure 6 It is a schematic diagram of the B region structure of the utility model. Figure 5

[0026] In the drawing: 1, bottom plate; 2, boss; 3, base; 4, furnace body; 5, hearth; 6, air blowing assembly; 601, shell; 602, air inlet pipe; 603, air blowing port; 604, hinged plate; 605, connecting rope; 606, movable frame; 607, threaded rod; 608, driving motor; 609, vertical rod; 7, combustion chamber; 8, fire bridge; 9, fuel inlet; 10, air chamber; 11, air inlet; 12, air blowing port; 13, servo motor; 14, screw rod; 15, threaded block; 16, telescopic rod; 17, slag hopper; 18, water jacket slag port; 19, flue port; 20, plug body; 21, connecting rod; 22, arc-shaped disc. DETAILED DESCRIPTION

[0027] As Figures 1-6 shown, the utility model provides a technical scheme: an air blowing refining device of a reverberatory furnace aluminum water, including bottom plate 1, the top end surface of bottom plate 1 is fixedly connected with boss 2, the top end surface of bottom plate 1 is hinged with base 3, the top end surface of base 3 is fixedly connected with furnace body 4, the inner wall of furnace body 4 is provided with hearth 5, hearth 5 is provided with air blowing assembly 6, air blowing assembly 6 includes shell 601, air inlet pipe 602, air blowing port 603, hinged plate 604, connecting rope 605, movable frame 606, threaded rod 607, driving motor 608, vertical rod 609.

[0028] ​In an embodiment of the utility model, the top end surface of shell 601 is fixedly connected with air inlet pipe 602, the inner bottom surface of shell 601 is provided with air outlet 603, the top end surface of hinged plate 604 is fixedly connected with connecting rope 605, the end of connecting rope 605 away from hinged plate 604 is fixedly connected with the bottom end surface of movable frame 606, the output end of driving motor 608 is fixedly connected with threaded rod 607, and the top end surface of furnace body 4 is fixedly connected with vertical rod 609.

[0029] Air outlet 603 is arranged in a herringbone shape, shell 601 is fixedly connected to the inner top surface of hearth 5, hinged plate 604 is hinged to the inner wall of shell 601, driving motor 608 is fixedly connected to the top end surface of furnace body 4, threaded rod 607 is threadedly connected with movable frame 606, vertical rod 609 is telescopically connected with movable frame 606, the herringbone-shaped air outlet 603 makes air collide in the furnace body 4, generates turbulent flow, makes the airflow more easily diffuse to the surrounding, improves uniformity, and the material of connecting rope 605 is galvanized steel wire rope, and the melting point is much higher than the temperature required for refining aluminum.

[0030] The inner wall of furnace body 4 is inserted with plug body 20, the inner wall of plug body 20 is telescopically connected with connecting rope 605, and the air gap between connecting rope 605 and furnace body 4 is prevented from discharging from furnace body 4 by the arranged plug body 20.

[0031] The top end surface of bottom plate 1 is provided with slag hopper 17, the top end surface of bottom plate 1 is fixedly connected with servo motor 13, the output end of servo motor 13 is fixedly connected with screw rod 14, the side wall of screw rod 14 is threadedly connected with threaded block 15, the side wall of threaded block 15 is fixedly connected with telescopic rod 16, and the end surface of telescopic rod 16 is hinged to base 3.

[0032] The inner wall of furnace body 4 is provided with combustion chamber 7, the inner wall of combustion chamber 7 is provided with fire bridge 8, fire bridge 8 communicates combustion chamber 7 and hearth 5, one side of combustion chamber 7 away from fire bridge 8 is provided with fuel inlet 9, the inner wall of furnace body 4 is provided with air chamber 10, the inner top surface of air chamber 10 is provided with air inlet 11, air inlet 11 communicates combustion chamber 7 and air chamber 10, the side wall of air chamber 10 is provided with air inlet 12, the inner wall of hearth 5 is provided with material inlet, one end of hearth 5 away from fire bridge 8 is provided with water jacket slag port 18 and flue port 19, and flue port 19 is located above water jacket slag port 18.

[0033] The fuel is loaded into the combustion chamber 7, the alloy charge is loaded into the hearth 5 through the feeding port, the air is blown from the air inlet 12, the high-temperature gas generated by the combustion of the fuel in the combustion chamber 7 enters the hearth 5 through the fire bridge 8 to heat and melt the alloy charge, and the air is blown to the surface of the molten aluminum water through the blowing port 603 for oxidation refining, and the flue gas is discharged through the flue port 19. Due to the different specific gravities of the molten aluminum water and the metal oxides, the metal oxide slag is collected on the surface of the molten aluminum water. When the metal oxide slag accumulates to a certain thickness, the servo motor 13 is started to drive the screw rod 14 to rotate, and then the threaded block 15 is lifted to lift one end of the furnace body 4. The metal oxide slag flows out from the water jacket slag port 18 in layers and enters the slag bucket 17 for storage.

[0034] The driving motor 608 drives the threaded rod 607 to rotate, and then the movable frame 606 moves downward, so that the connecting rope 605 can move downward, the hinged plate 604 rotates, and the blowing port 603 is exposed in the hearth 5. The external air enters the shell 601 through the air inlet pipe 602, and then is discharged through the blowing port 603. A plurality of blowing ports 603 are distributed at the bottom of the shell 601, and a multi-point exhaust design is adopted to make the air more evenly discharged. The blowing port 603 arranged in a herringbone shape makes the air collide in the furnace body 4, generates turbulent flow, and makes the airflow more easily diffuse to the surrounding, further improves the uniformity, and reduces the problem of local high-speed airflow. When the blowing port 603 is not blown, the blowing port 603 is blocked by the hinged plate 604 to prevent the high-temperature gas in the furnace from invading the blowing pipe in the opposite direction. After blocking the blowing port 603, the high-temperature gas in the furnace and impurities can be effectively isolated, the integrity and long-term stability of the blowing system are protected, and the influence of accidental introduction of cold air on the stability of the furnace temperature is prevented. Oxidation, affecting the metal composition and quality, causing the temperature of the molten pool to fluctuate, and affecting the smelting efficiency.

[0035] In addition, the side wall of the air inlet pipe 602 is fixedly connected with a connecting rod 21, the bottom end surface of the connecting rod 21 is fixedly connected with an arc-shaped disc 22, the airflow moves downward from the air inlet pipe 602 and contacts the top end surface of the arc-shaped disc 22, the center of the arc-shaped disc 22 is higher and the periphery is lower, so that the air flows more uniformly into the shell 601, thereby ensuring that the airflow at the plurality of blowing ports 603 is uniform and avoiding the problem of excessive or insufficient local air volume, and improving the uniformity of oxidation refining.

[0036] In the utility model, when not blowing, the blowing port 603 is shielded by the hinged plate 604, the high-temperature gas and the molten slag in the furnace are prevented from invading the blowing pipeline reversely, the threaded rod 607 is rotated by the driving motor 608, and then the movable frame 606 moves downward, the connecting rope 605 moves downward, the hinged plate 604 rotates, the blowing port 603 is exposed in the hearth 5, the external air enters the shell 601 through the air inlet pipe 602, and then is discharged through the blowing port 603, the blowing ports 603 are distributed on the bottom of the shell 601, the blowing ports 603 arranged in the herringbone shape make the air collide in the furnace body 4, turbulence is generated, the speed is reduced, the airflow is more easily diffused to the surrounding, and the overall refining effect is improved.

[0037] The above has made a detailed description of the utility model in general, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general skilled in the technical field. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A reverberatory furnace aluminum molten gas blowing refining device, comprising a base plate (1), a boss (2) fixedly connected to the top end face of the base plate (1), a base (3) hinged to the top end face of the base plate (1), a furnace body (4) fixedly connected to the top end face of the base (3), and a furnace chamber (5) formed on the inner wall of the furnace body (4), characterized in that: The blast assembly (6) is arranged in the hearth (5), and the blast assembly (6) comprises: The top end surface of the shell (601) is fixedly connected with an air inlet pipe (602), and the inner bottom surface of the shell (601) is provided with a blast port (603); The top end surface of the hinged plate (604) is fixedly connected with a connecting rope (605), and the end of the connecting rope (605) away from the hinged plate (604) is fixedly connected with the bottom end surface of the movable frame (606); The output end of the driving motor (608) is fixedly connected with a threaded rod (607), and the top end surface of the furnace body (4) is fixedly connected with a vertical rod (609).

2. A device for blowing refining of aluminium water in a reflector furnace according to claim 1, characterized in that: The top end surface of the bottom plate (1) is provided with a slag hopper (17), the top end surface of the bottom plate (1) is fixedly connected with a servo motor (13), the output end of the servo motor (13) is fixedly connected with a screw rod (14), the side wall of the screw rod (14) is threadedly connected with a threaded block (15), the side wall of the threaded block (15) is fixedly connected with a telescopic rod (16), and the end surface of the telescopic rod (16) is hingedly connected with the base (3).

3. A device for blowing refining of aluminium water in a reflector furnace according to claim 1, characterized in that: The inner wall of the furnace body (4) is provided with a combustion chamber (7), the inner wall of the combustion chamber (7) is provided with a fire bridge (8), the fire bridge (8) communicates the combustion chamber (7) and the hearth (5), and the side of the combustion chamber (7) away from the fire bridge (8) is provided with a fuel inlet (9).

4. A vessel for the gas refining of aluminium melt as claimed in claim 3, wherein: The inner wall of the furnace body (4) is provided with an air chamber (10), the inner top surface of the air chamber (10) is provided with an air inlet (11), the air inlet (11) communicates the combustion chamber (7) and the air chamber (10), and the side wall of the air chamber (10) is provided with an air outlet (12).

5. A device for blowing refining of aluminum water in a reflector furnace according to claim 1, characterized in that: The inner wall of the hearth (5) is provided with a feeding port, the end of the hearth (5) away from the fire bridge (8) is provided with a water jacket slag port (18) and a flue port (19), and the flue port (19) is located above the water jacket slag port (18).

6. A device for blowing refining of aluminum melt in a reflector furnace according to claim 1, characterized in that: The blast port (603) is arranged in a herringbone shape, the shell (601) is fixedly connected to the inner top surface of the hearth (5), the hinged plate (604) is hingedly connected to the inner wall of the shell (601), the driving motor (608) is fixedly connected to the top end surface of the furnace body (4), the threaded rod (607) is threadedly connected with the movable frame (606), and the vertical rod (609) is sleeved with the movable frame (606).

7. A device for blowing refining of aluminum water in a reflector furnace according to claim 1, characterized in that: The inner wall of the furnace body (4) is inserted with a plug body (20), and the inner wall of the plug body (20) is sleeved with the connecting rope (605).

8. A device for blowing refining of aluminium water in a reflector furnace according to claim 1, characterized in that: The side wall of the air inlet pipe (602) is fixedly connected with a connecting rod (21), and the bottom end surface of the connecting rod (21) is fixedly connected with an arc-shaped disc (22).

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