Electric arc furnace device used for steel smelting and combined with rotary kiln

Abstract

The utility model relates to the technical field of metal smelting equipment, and discloses an electric arc furnace device used for steel smelting and combined with a rotary kiln, which comprises a furnace body, a feeding pipe is fixedly connected to the upper part of the right side of the outer wall of the furnace body, the right side of the feeding pipe is fixedly connected with a rotary kiln connecting channel, and a furnace cover is arranged on the upper part of the furnace body. Three electrodes are arranged in the furnace cover, a clamping device is arranged outside each electrode, a shaking bottom is fixedly connected to the bottom of the furnace body, and a tilting shaking frame is fixedly connected to the left side of the bottom of the furnace body. By means of the integrated design, the production efficiency is improved, consumption of energy and resources is reduced, heat locking is conducted on the interior of the rotary kiln connecting channel, materials are prevented from being attached to the inner wall, the stability of the internal temperature is ensured, molten steel can be conveniently discharged, the discharging efficiency is improved, manual intervention is reduced, and the production cost is reduced. And the problem of blockage possibly occurring in a traditional mode is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metal smelting equipment, especially relates to a kind of for steel smelting and the electric arc furnace device of rotary kiln connection. BACKGROUND

[0002] In the steel smelting process, electric arc furnace is the main high-temperature smelting equipment, usually used to melt and refine raw materials such as scrap steel or iron ore into molten steel. In the production process of electric arc furnace, the temperature in the furnace is high, and the molten metal frequently contacts the furnace wall. These conditions pose high requirements on the structure and process of the furnace body.

[0003] Pre-treatment of materials through the rotary kiln device can help the electric arc furnace control temperature, improve material fluidity, reduce operating costs, prevent the furnace wall from being adhered or ablated by molten metal and other materials, while ensuring uniform heating and good flow state of the materials. However, the separation of the electric furnace and the rotary kiln increases the transfer and processing steps of the materials between different equipment, reduces production efficiency, increases energy and resource consumption, and is not convenient for steel tapping. Therefore, the technical personnel in the art provide an electric arc furnace device for steel smelting and rotary kiln connection to solve the problems raised in the above background. SUMMARY

[0004] To make up for the above shortcomings, the utility model provides an electric arc furnace device for steel smelting and rotary kiln connection, aiming to improve the problem that the separation of the electric furnace and the rotary kiln increases the transfer and processing steps of the materials between different equipment, reduces production efficiency, increases energy and resource consumption, and is not convenient for steel tapping in the prior art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an electric arc furnace device for steel smelting and rotary kiln connection, comprising a furnace body, a feed pipe fixedly connected to the outer wall right side upper part of the furnace body, a rotary kiln connecting channel fixedly connected to the right side of the feed pipe, a furnace cover arranged on the upper part of the furnace body, three electrodes arranged inside the furnace cover, a gripper arranged outside the electrodes, a rocking bottom fixedly connected to the bottom of the furnace body, a tilting rocker fixedly connected to the left side of the bottom of the furnace body, a first rotating seat rotatably connected to the outside of the tilting rocker, a hydraulic cylinder fixedly connected to the bottom of the first rotating seat, a second rotating seat rotatably connected to the bottom of the hydraulic cylinder, a first fixed seat fixedly connected to the right side of the upper part of the hydraulic cylinder, a telescopic rod rotatably connected to the inside of the first fixed seat, and a second fixed seat rotatably connected to one end of the telescopic rod.

[0006] Further description of the above technical scheme:

[0007] The rear side of the rotary kiln connecting channel is fixedly connected with a fan, the output end of the fan is fixedly connected with an air inlet, the air inlet is fixedly connected to the inner rear side of the rotary kiln connecting channel, the inner part of the rotary kiln connecting channel is provided with a pushing rod, one end of the pushing rod is fixedly connected with a pushing plate, and the outer upper side of the rotary kiln connecting channel is provided with a heat collecting cover.

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

[0009] The inner part of the heat collecting cover is provided with a fuel inlet, one end of the fuel inlet is fixedly connected with a heat collecting pipe, and one end of the heat collecting pipe is fixedly connected with a fuel outlet.

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

[0011] One side of the pushing plate is slidably connected to the inner wall of the rotary kiln connecting channel.

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

[0013] The bottom of the rocking bottom is provided with a support, and the left side of the support is fixedly connected with a base.

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

[0015] The upper left side of the base is fixedly connected with a second rotating seat, and the upper right side of the base is fixedly connected with a second fixed seat.

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

[0017] The outer left side of the furnace body is rotatably connected with a furnace door, and the right side of the furnace body is fixedly connected with a tapping hole.

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

[0019] The electrode is arranged in the inner part of the furnace body.

[0020] The utility model has the advantages of:

[0021] In the utility model, the rotary kiln connecting channel is rotated to make the material pass through the feeding pipe and enter the furnace body, the fan is started to make the gas enter the rotary kiln connecting channel, and the material slowly flowing in part is pushed down by the pushing plate, so that the material is not adhered to the cylinder wall, enters the fuel inlet, the heat collecting pipe and the fuel outlet, the heat collecting cover locks the heat in the rotary kiln connecting channel, the integrated design is realized, the production efficiency is improved, the consumption of energy and resources is reduced, the heat in the rotary kiln connecting channel is locked and the material is prevented from adhering to the inner wall, and the stability of the internal temperature is ensured.

[0022] The utility model discloses a first rotating seat is moved to make the furnace body rotate to make the first fixed seat move to make telescopic pole rotate and extend to make the furnace body lean and make internal material discharge through the tapping hole, realize the convenient discharge of molten steel, improve the discharge efficiency, reduce manual intervention, avoid the jam problem that can appear in traditional mode. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A kind of for steel smelting and the electric arc furnace device of rotary kiln connection of utility model proposes the perspective view of the electric arc furnace device;

[0024] Figure 2 For Figure 1 The enlarged view of A of;

[0025] Figure 3 A kind of for steel smelting and the electric arc furnace device of rotary kiln connection of utility model proposes the furnace body sectional view of the electric arc furnace device;

[0026] Figure 4 For Figure 3 The enlarged view of B of;

[0027] Figure 5 A kind of for steel smelting and the electric arc furnace device of rotary kiln connection of utility model proposes the local structure schematic view of the electric arc furnace device.

[0028] Legend:

[0029] 1, furnace body;2, furnace cover;3, holder;4, electrode;5, furnace door;6, rotary kiln connecting channel;7, fan;8, feed pipe;9, tapping hole;10, rocking bottom;11, support;12, base;13, tilt rocker;14, first rotating seat;15, hydraulic cylinder;16, second rotating seat;17, first fixed seat;18, telescopic pole;19, second fixed seat;20, air inlet;21, pusher rod;22, pusher plate;23, heat collection cover;24, fuel inlet;25, heat collection pipe;26, fuel outlet. DETAILED DESCRIPTION

[0030] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments. 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 fall within the scope of the utility model.

[0031] Reference Figures 1-3The utility model provides an embodiment: a kind of for steel smelting and the electric arc furnace device of rotary kiln connection, including furnace body 1, the outer wall right side upper portion of furnace body 1 is fixedly connected with feed pipe 8, the right side of feed pipe 8 is fixedly connected with rotary kiln connecting channel 6, the upper portion of furnace body 1 is provided with furnace cover 2, the inside of furnace cover 2 is provided with three electrodes 4, the outside of electrode 4 is provided with holder 3, the bottom of furnace body 1 is fixedly connected with shaking bottom 10, the bottom left side of furnace body 1 is fixedly connected with tilting rocker 13, the outside of tilting rocker 13 is rotatably connected with first rotating seat 14, the bottom of first rotating seat 14 is fixedly connected with hydraulic cylinder 15, the bottom of hydraulic cylinder 15 is rotatably connected with second rotating seat 16, the upper right side of hydraulic cylinder 15 is fixedly connected with first fixed seat 17, the inside of first fixed seat 17 is rotatably connected with telescopic link 18, one end of telescopic link 18 is rotatably connected with second fixed seat 19;Electrode 4 is arranged in the inside of furnace body 1.

[0032] by electrode 4 to the material in the inside of furnace body 1 heating, hydraulic cylinder 15 is started, hydraulic cylinder 15 starts to drive first rotating seat 14 to move, simultaneously drive first fixed seat 17 to move, make it drive tilting rocker 13 and furnace body 1 to rotate, make shaking bottom 10 move obliquely in the upper portion of support 11, and simultaneously drive first fixed seat 17 to move, make telescopic link 18 rotate and extend and rotate in the inside of second fixed seat 19, make furnace body 1 oblique and discharge internal material through tapping hole 9, facilitate the discharge of molten steel, facilitate the discharge of molten steel, improve the discharge efficiency, reduce manual intervention, avoid the possible jam problem in traditional mode.

[0033] Refer to Figures 3-5 The rear side of rotary kiln connecting channel 6 is fixedly connected with fan 7, the output end of fan 7 is fixedly connected with air inlet 20, air inlet 20 is fixedly connected in the inside rear side of rotary kiln connecting channel 6, the inside of rotary kiln connecting channel 6 is provided with pusher 21, one end of pusher 21 is fixedly connected with pusher plate 22, the outside upper side of rotary kiln connecting channel 6 is provided with heat collection cover 23, the inside of heat collection cover 23 is provided with fuel inlet 24, one end of fuel inlet 24 is fixedly connected with heat collection tube 25, one end of heat collection tube 25 is fixedly connected with fuel outlet 26.

[0034] The inclined rotary kiln connecting channel 6 is used to make the material enter the inside of the feeding pipe 8 to the inside of the furnace body 1, the fan 7 is started to make the air enter the inside of the rotary kiln connecting channel 6 through the air inlet 20, the pushing rod 21 is used to push the pushing plate 22 to push the material in the rotary kiln connecting channel 6, the fuel inlet 24 is used to make the fuel enter the inside of the heat collecting pipe 25, and the fuel outlet 26 is used to discharge the fuel, the heat collecting cover 23 is used to lock the heat of the inside of the rotary kiln connecting channel 6, the inside temperature is kept high, the integrated design is used to improve the production efficiency, the energy and resource consumption are reduced, the inside of the rotary kiln connecting channel 6 is locked and the material is prevented from adhering to the inner wall, and the inside temperature is stable.

[0035] Referring to Figures 1-2 The bottom of the shaking bottom 10 is provided with a support 11, the left side of the support 11 is fixedly connected with a base 12, the upper left side of the base 12 is fixedly connected with a second rotating seat 16, and the upper right side of the base 12 is fixedly connected with a second fixed seat 19.

[0036] The support 11 is used to make the shaking bottom 10 incline left and right at the upper portion to make the furnace body 1 incline, the steel in the furnace body 1 is discharged through the tapping hole 9, and the slag in the furnace body 1 is discharged through the furnace door 5, so that the discharging efficiency is improved.

[0037] When the device is used, the inclined rotary kiln connecting channel 6 is used to make the material enter the inside of the feeding pipe 8 to the inside of the furnace body 1, the fan 7 is started to make the air enter the inside of the rotary kiln connecting channel 6, the pushing rod 21 is used to push the pushing plate 22 to push the material in the rotary kiln connecting channel 6, the fuel inlet 24 is used to make the fuel enter the inside of the heat collecting pipe 25, and the fuel outlet 26 is used to discharge the fuel, the heat collecting cover 23 is used to lock the heat of the inside of the rotary kiln connecting channel 6, the inside temperature is kept high, the integrated design is used to improve the production efficiency, the energy and resource consumption are reduced, the inside of the rotary kiln connecting channel 6 is locked and the material is prevented from adhering to the inner wall, and the inside temperature is stable.

[0038] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. An electric arc furnace device for steelmaking in combination with a rotary kiln, comprising a furnace body (1), characterized in that: The outer wall right side upper portion of the furnace body (1) is fixedly connected with a feeding pipe (8), the right side of the feeding pipe (8) is fixedly connected with a rotary kiln connecting channel (6), the upper portion of the furnace body (1) is provided with a furnace cover (2), the inside of the furnace cover (2) is provided with three electrodes (4), the outside of the electrode (4) is provided with a holder (3), the bottom of the furnace body (1) is fixedly connected with a rocking bottom (10), the bottom left side of the furnace body (1) is fixedly connected with a tilting rocker (13), the outside of the tilting rocker (13) is rotatably connected with a first rotating seat (14), the bottom of the first rotating seat (14) is fixedly connected with a hydraulic cylinder (15), the bottom of the hydraulic cylinder (15) is rotatably connected with a second rotating seat (16), the upper right side of the hydraulic cylinder (15) is fixedly connected with a first fixed seat (17), the inside of the first fixed seat (17) is rotatably connected with a telescopic rod (18), one end of the telescopic rod (18) is rotatably connected with a second fixed seat (19).

2. An electric arc furnace device for steelmaking in combination with a rotary kiln according to claim 1, characterized in that: The rear side of the rotary kiln connecting channel (6) is fixedly connected with a fan (7), the output end of the fan (7) is fixedly connected with an air inlet (20), the air inlet (20) is fixedly connected to the inside rear side of the rotary kiln connecting channel (6), the inside of the rotary kiln connecting channel (6) is provided with a pushing rod (21), one end of the pushing rod (21) is fixedly connected with a pushing plate (22), the outside upper side of the rotary kiln connecting channel (6) is provided with a heat collecting cover (23).

3. An electric arc furnace device for steelmaking in combination with a rotary kiln according to claim 2, characterized in that: The inside of the heat collecting cover (23) is provided with a fuel inlet (24), one end of the fuel inlet (24) is fixedly connected with a heat collecting pipe (25), one end of the heat collecting pipe (25) is fixedly connected with a fuel outlet (26).

4. The electric arc furnace apparatus for steelmaking in combination with a rotary kiln according to claim 2, wherein: One side of the pushing plate (22) is slidingly connected to the inner wall of the rotary kiln connecting channel (6).

5. The electric arc furnace apparatus for steelmaking in combination with a rotary kiln according to claim 1, wherein: The bottom of the rocking bottom (10) is provided with a support (11), the left side of the support (11) is fixedly connected with a base (12).

6. An electric arc furnace device for steelmaking in combination with a rotary kiln according to claim 5, characterized in that: The upper left side of the base (12) is fixedly connected with a second rotating seat (16), the upper right side of the base (12) is fixedly connected with a second fixed seat (19).

7. The electric arc furnace apparatus for steelmaking in combination with a rotary kiln according to claim 1, wherein: The outside left side of the furnace body (1) is rotatably connected with a furnace door (5), the right side of the furnace body (1) is fixedly connected with a tapping hole (9).

8. The electric arc furnace apparatus for steelmaking in combination with a rotary kiln according to claim 1, characterized in that: The electrode (4) is arranged in the inside of the furnace body (1).

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