Environment-friendly electric arc furnace produced from refractory material

Abstract

The environment-friendly electric arc furnace comprises a furnace body and a furnace cover, the bottoms of the front face and the back face of the furnace body are fixedly connected with connecting shafts, the surfaces of the connecting shafts are fixedly connected with a base through bearings, the bottom of the furnace body is fixedly connected with a semicircular supporting seat, and the semicircular supporting seat is fixedly connected with the furnace cover. Hydraulic telescopic rods are movably connected to the front end and the rear end of the left side of the bottom of the furnace body through pin shafts, the other ends of the hydraulic telescopic rods are movably connected with the surface of the base, a furnace cover is arranged at the top of the furnace body, and an electrode fixing box is fixedly connected to the top of the furnace cover. The hydraulic telescopic rod stretches out to drive the furnace body to rotate with the connecting shaft as the circle center, so that efficient and rapid discharging work can be achieved, assistance of external tools is not needed, the furnace body can make contact with the ground all the time through the arranged semicircular supporting base, the stability of the furnace body is guaranteed, and the service life of the furnace body is prolonged. And the safety of the refractory material during production is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric arc furnace technical field, concretely is an environmental protection type electric arc furnace for refractory production. BACKGROUND

[0002] Electric arc furnace is the electric furnace that high temperature smelting ore and metal are produced with electrode arc. Energy is very concentrated when gas discharge forms electric arc, and the temperature in arc area is above 3000 DEG C. For smelting metal, electric arc furnace has greater process flexibility than other steelmaking furnaces, can effectively remove impurities such as sulfur and phosphorus, furnace temperature is easy to control, equipment occupies small area, and is suitable for smelting high-quality alloy steel, and the environmental protection type electric arc furnace has been provided on the market at present, but this environmental protection type electric arc furnace does not have the function of automatic discharging, and the staff needs to use the equipment to tilt the furnace body to pour, and the internal raw materials also cannot be lifted, so that the melting speed of raw materials is slow, thereby increasing the energy consumption, so an environmental protection type electric arc furnace capable of automatic discharging and accelerating the melting of raw materials needs to be designed. SUMMARY

[0003] The utility model discloses a kind of environmental protection type electric arc furnaces for refractory production, with the advantage of being easy to use, solve the problem raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: an environmental protection type electric arc furnace for refractory production, including furnace body and furnace cover, the bottom of the front and back of the furnace body is fixedly connected with connecting shaft, the surface of the connecting shaft is fixedly connected with base through bearing, the bottom of the furnace body is fixedly connected with semicircular support seat, the front and back of the left side of the bottom of the furnace body are movably connected with hydraulic telescopic rod through pin shaft, the other end of the hydraulic telescopic rod is movably connected with the surface of base;

[0005] The top of the furnace body is provided with furnace cover, the top of the furnace cover is fixedly connected with electrode fixed box, the bottom of the electrode fixed box is fixedly connected with electrode, the bottom of the electrode extends to the inner cavity of the furnace body and extends to the inner cavity of the furnace body, the top of the electrode fixed box is fixedly connected with servo motor, the output shaft of the servo motor is fixedly connected with reciprocating screw rod, the surface of the reciprocating screw rod is threadedly connected with connecting plate, the both sides of the bottom of the connecting plate are fixedly connected with connecting rod, and the bottom of the connecting rod penetrates to the inner cavity of the furnace body and is fixedly connected with fishing basket.

[0006] Preferably, the left side of the furnace body is provided with a feeding port, and the top of the surface of the feeding port is movably connected with a cover through a pin shaft, and the bottom of the surface of the cover is fixedly connected with a handle.

[0007] Preferably, the left side of the furnace body and the bottom of the cover are provided with an arc-shaped clamping plate, and the cover is slidably connected to the inner cavity of the arc-shaped clamping plate.

[0008] Preferably, the top of the right side of the furnace body is fixedly connected with a nozzle, and the nozzle is designed in an arc shape.

[0009] Preferably, the surface of the base is fixedly connected with a controller, and the controller is electrically connected with the electrical equipment through wires.

[0010] Preferably, the top of the reciprocating screw rod is fixedly connected with an anti-dropping block, and the diameter of the anti-dropping block is greater than that of the reciprocating screw rod.

[0011] Preferably, the inner walls of the furnace body and the furnace cover are fixedly connected with refractory linings, and the fishing basket and the connecting rod are made of the same material as the refractory linings.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a furnace body can be rotated around the connecting shaft as the center by the extension of the hydraulic telescopic rod, so that efficient and rapid unloading work can be realized, without the need of external tools for assistance, and the half-round supporting seat can make the furnace body always contact with the ground, thereby guaranteeing the stability and safety during the production of refractory materials.

[0014] 2. The utility model discloses a fishing basket is moved to the inner cavity bottom of the furnace body, then the filling work can be carried out by opening the cover, the raw materials filled into the inner cavity of the fishing basket can be heated and melted by starting the electrode, and after a period of heating and melting, the raw materials at the top of the fishing basket are melted, but the raw materials at the bottom are not completely melted, at this time, the servo motor can be started, the reciprocating screw rod is driven to rotate by the servo motor, the connecting rod is driven to move upwards by the connecting plate, the fishing basket is driven to move upwards by the connecting rod, and the fishing basket can lift the raw materials not completely melted to make the raw materials contact the electrode closely, so that the melting speed of the raw materials can be improved, and the energy consumption can be reduced.

[0015] 3. The utility model discloses a handle can be conveniently used to rotate the cover, an arc-shaped clamping plate can be used to limit and fix the cover, a controller can be used to realize the automatic control of the equipment, and an anti-dropping block can be used to avoid the disconnection of the connecting plate and the reciprocating screw rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a left view schematic view of the furnace body of the utility model;

[0018] Figure 3 It is a right view schematic view of the furnace body of the utility model;

[0019] Figure 4 Figure 1 is a schematic diagram of the furnace cover and electrode connection structure of the utility model.

[0020] In the figure: 1, furnace body; 2, furnace cover; 3, connecting shaft; 4, base; 5, semicircular support seat; 6, hydraulic telescopic rod; 7, electrode fixing box; 8, electrode; 9, servo motor; 10, reciprocating screw; 11, connecting plate; 12, connecting rod; 13, fishing basket; 14, cover; 15, furnace nozzle; 16, controller; 17, anti-drop block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] The components of the utility model are all general standard components or components known to those skilled in the art, and their structures and principles can be known by the technical personnel through technical manuals or through conventional experimental methods. Embodiment one:

[0023] Please refer to Figures 1-4 In order to achieve the purpose of automatic unloading, the technical scheme is provided as follows, and specifically discloses: an environment-friendly electric arc furnace for refractory material production, which comprises a furnace body 1 and a furnace cover 2. Connecting shafts 3 are fixedly connected to the bottom of the front face and the back face of the furnace body 1. The surfaces of the connecting shafts 3 are fixedly connected with bases 4 through bearings. Semicircular support seats 5 are fixedly connected to the bottom of the furnace body 1. Hydraulic telescopic rods 6 are movably connected to the left side of the furnace body 1 through pin shafts at the front and back ends. The other end of the hydraulic telescopic rod 6 is movably connected to the surface of the base 4. A feeding port is formed in the left side of the furnace body 1. A cover 14 is movably connected to the surface of the feeding port through a pin shaft at the top. A handle is fixedly connected to the surface of the bottom of the cover 14. An arc-shaped clamping plate is arranged on the left side of the furnace body 1 and located at the bottom of the cover 14. The cover 14 is slidably connected to the inner cavity of the arc-shaped clamping plate. A furnace nozzle 15 is fixedly connected to the top of the right side of the furnace body 1 and is designed in an arc shape. A controller 16 is fixedly connected to the surface of the base 4 and is electrically connected with electrical equipment through wires. The handle can be used to conveniently rotate the cover 14. The arc-shaped clamping plate can be used to limit and fix the cover 14. The controller 16 can be used to realize the automatic control of the device. Embodiment two:

[0024] Please refer to Figure 1And the figure, the embodiment in order to achieve the purpose of high melting efficiency, provides the following technical scheme, specifically discloses: the top of furnace body 1 is provided with furnace cover 2, the top of furnace cover 2 is fixedly connected with electrode fixed box 7, the bottom of electrode fixed box 7 is fixedly connected with electrode 8, the bottom of electrode 8 penetrates furnace cover 2 and extends to the inner cavity of furnace body 1, the top of electrode fixed box 7 is fixedly connected with servo motor 9, the output shaft of servo motor 9 is fixedly connected with reciprocating screw 10, the surface of reciprocating screw 10 is threadedly connected with connecting plate 11, the both sides of the bottom of connecting plate 11 are fixedly connected with connecting rod 12, the bottom of connecting rod 12 penetrates to the inner cavity of furnace body 1 and is fixedly connected with fishing basket 13, the top of reciprocating screw 10 is fixedly connected with anti-drop block 17, the diameter of anti-drop block 17 is greater than the diameter of reciprocating screw 10, the inner wall of furnace body 1 and furnace cover 2 is fixedly connected with refractory lining, fishing basket 13 and connecting rod 12 are made of the same material as refractory lining, by setting anti-drop block 17, connecting plate 11 and reciprocating screw 10 can be avoided to separate.

[0025] The control mode of the utility model is automatically controlled through the controller 16, and the control circuit of the controller 16 can be realized through simple programming of the person skilled in the art, which belongs to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and circuit connection of the utility model will not be explained in detail.

[0026] In use, the furnace body 1 can be rotated with the connecting shaft 3 as the center by the extension of the hydraulic telescopic rod 6, so that efficient and rapid unloading work can be realized without the need of external tools for assistance, and the semi-circular supporting seat 5 can ensure that the furnace body 1 is always in contact with the ground, thereby ensuring the stability and safety during the production of refractory materials; the filling work can be carried out by moving the fishing basket 13 to the bottom of the inner cavity of the furnace body 1 and then opening the cover 14, and after the raw materials are filled into the inner cavity of the fishing basket 13, the electrode 8 can be started to perform hot melting work; after a period of hot melting, the raw materials at the top of the fishing basket 13 are melted, but the raw materials at the bottom are not completely melted, at which time the servo motor 9 can be started to drive the reciprocating screw 10 to rotate, the reciprocating screw 10 drives the connecting rod 12 to move upward through the connecting plate 11, the connecting rod 12 drives the fishing basket 13 to move upward, and the fishing basket 13 can lift the raw materials that are not completely melted to make them in close contact with the electrode 8, so that the melting speed can be improved, thereby reducing the energy consumption.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly electric arc furnace for producing refractory materials, comprising a furnace body (1) and a furnace cover (2), characterized in that: The bottom of the front and back sides of the furnace body (1) are fixedly connected to a connecting shaft (3), the surface of the connecting shaft (3) is fixedly connected to a base (4) via a bearing, the bottom of the furnace body (1) is fixedly connected to a semicircular support seat (5), and the front and rear ends of the left side of the bottom of the furnace body (1) are movably connected to a hydraulic telescopic rod (6) via a pin shaft, and the other end of the hydraulic telescopic rod (6) is movably connected to the surface of the base (4); A furnace cover (2) is provided on the top of the furnace body (1), an electrode fixing box (7) is fixedly connected to the top of the furnace cover (2), an electrode (8) is fixedly connected to the bottom of the electrode fixing box (7), the bottom of the electrode (8) passes through the furnace cover (2) and extends to the inner cavity of the furnace body (1), a servo motor (9) is fixedly connected to the top of the electrode fixing box (7), an output shaft of the servo motor (9) is fixedly connected to a reciprocating screw (10), a surface of the reciprocating screw (10) is threadedly connected to a connecting plate (11), both sides of the bottom of the connecting plate (11) are fixedly connected to connecting rods (12), the bottom of the connecting rod (12) passes through the inner cavity of the furnace body (1) and is fixedly connected to a salvage basket (13).

2. The environmentally friendly electric arc furnace for producing refractory materials according to claim 1, characterized in that: A feeding port is provided on the left side of the furnace body (1), and a cover (14) is movably connected to the top of the surface of the feeding port via a pin, and a handle is fixedly connected to the bottom of the surface of the cover (14).

3. The environmentally friendly electric arc furnace for producing refractory materials according to claim 2, characterized in that: An arc-shaped clamping plate is provided on the left side of the furnace body (1) and at the bottom of the cover (14), and the cover (14) is slidably connected to the inner cavity of the arc-shaped clamping plate.

4. The environmentally friendly electric arc furnace for producing refractory materials according to claim 1, characterized in that: A furnace nozzle (15) is fixedly connected to the top of the right side of the furnace body (1), and the furnace nozzle (15) adopts an arc-shaped design.

5. The environmentally friendly electric arc furnace for producing refractory materials according to claim 1, characterized in that: A controller (16) is fixedly connected to the surface of the base (4), and the controller (16) is electrically connected to the electrical equipment via a wire.

6. The environmentally friendly electric arc furnace for producing refractory materials according to claim 1, characterized in that: An anti-slip block (17) is fixedly connected to the top of the reciprocating screw (10), and the diameter of the anti-slip block (17) is larger than the diameter of the reciprocating screw (10).

7. The environmentally friendly electric arc furnace for producing refractory materials according to claim 1, characterized in that: The inner walls of the furnace body (1) and the furnace cover (2) are both fixedly connected with a refractory lining, and the salvage basket (13) and the connecting rod (12) are both made of the same material as the refractory lining.

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