Electric arc furnace slag dumping device capable of assisting discharging

By designing an auxiliary frame and scraper device driven by a motor, the problem of damage to the furnace body during the use of the electric arc furnace slag dumping device was solved, achieving convenient slag discharge and device flexibility, and extending service life.

CN224108637UActive Publication Date: 2026-04-10TAIZHOU BAOTTER METALLURGICAL EQUIPMENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing electric arc furnace slag dumping devices are prone to damaging the furnace body and connecting components during use, resulting in reduced service life and inconvenient material discharge.

Method used

A device comprising a vertical frame, a lifting plate, a connecting frame, a motor-driven auxiliary frame, and a scraper was designed. The motor drives the connecting frame and the furnace body to rotate synchronously, while the auxiliary frame rotates at low speed to cooperate with the scraper to clean the slag. This device is suitable for furnace bodies with different inner diameters.

Benefits of technology

It enables convenient slag discharge, improves the practicality and flexibility of the equipment, protects the furnace body from damage, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The electric arc furnace slag dumping device capable of assisting discharging comprises a vertical frame and supporting seats, the vertical frame is fixed between the top ends of the supporting seats, a lifting plate is movably connected to the interior of the vertical frame, electrode columns are evenly fixed to the bottom end of the lifting plate, and a connecting frame is rotationally connected to the inner side of each supporting seat. The connecting frame is arranged on the outer side of the furnace body, the second motor is started to drive the connecting frame and the furnace body to rotate synchronously in the using process, normal slag in the furnace body is discharged, and the auxiliary frame can be moved to enable one end of the auxiliary frame to go deep into the furnace body and make contact with the furnace bottom for the slag which is not prone to being discharged in the furnace body. And an auxiliary frame is fixed through the action of a second bolt, a first motor is started to drive the auxiliary frame to rotate at a low speed, auxiliary cleaning and discharging of slag attached to the inner wall of the furnace body are achieved through cooperation with the action of a bottom scraping plate and a side scraping plate, and the practicability and flexibility of the device are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a furnace slag dumping technical field, especially in a kind of electric arc furnace slag dumping device of auxiliary discharge. BACKGROUND

[0002] Electric arc furnace slag dumping device is used to discharge the slag generated in the furnace from electric arc furnace, and the slag is a non-metallic substance generated in the smelting process, which needs to be cleaned regularly to maintain the normal operation of electric arc furnace.

[0003] Chinese patent authorized announcement No.CN 221444838 U discloses a kind of electric arc furnace slag dumping device, including support seat, support seat middle rotation is provided with furnace body, and the lifting mechanism is arranged above furnace body, and it further includes dumping mechanism, and dumping mechanism is located at the rear of furnace body.Afficient: a certain vibration is generated when the furnace body is dumped by vibration assembly, and the slag adhered to the inner wall of the furnace body is vibrated and knocked off, and the knocking plate inside the knocking assembly is stored by the rotation of the furnace body, when it is rotated to dumping position, the knocking plate is stored and released to knock the bottom end of the furnace body with great force, the slag adhered to the inner wall of the furnace body is knocked off in all directions by the interaction with vibration assembly, to prevent the slag from adhering to the inner wall, improve the effect of slag cleaning, speed up the time of slag dumping, reduce the use of manpower and material resources when cleaning slag later.

[0004] The prior art scheme has the following disadvantages: the technical scheme assists discharge by knocking the furnace body, but the hard knock in use process not only can cause damage to the furnace body, but also can cause loosening or deformation between elements connected with each part of the furnace body, reduce its service life, so that the discharge of slag in the furnace body is inconvenient, and there is a certain optimization space, therefore a kind of electric arc furnace slag dumping device of auxiliary discharge needs to be designed to solve the problems proposed above. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of electric arc furnace slag dumping device of auxiliary discharge to solve the inconvenient problem of the discharge of slag in the furnace body in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of electric arc furnace slag dumping device of auxiliary discharge, including stand, support seat, the stand is fixed between the top end of support seat;

[0007] The inside of the stand is movably connected with a lifting plate, the bottom end of the lifting plate is uniformly fixed with an electrode column, the inside of the support base is rotatably connected with a connecting frame, the bottom end of the inside of the connecting frame is fixed with a furnace body, the top end of the connecting frame is fixed with an electric push rod, the output end of the electric push rod extends to the below of the connecting frame and is fixed with a first motor, the bottom end of the first motor is fixed with an adjusting seat, the inside of the adjusting seat is movably connected with an adjusting rod, the outside of the adjusting rod is provided with a moving groove, the inside of the moving groove is movably connected with a moving block, the outside of the moving block is fixed with an auxiliary frame, the bottom end of the auxiliary frame is fixed with a bottom scraper, the outside of the auxiliary frame and the bottom scraper is fixed with a side scraper, the inside of the support base is fixed with a second motor, the output shaft of the second motor is connected with the connecting frame.

[0008] Preferably, both ends of the moving block are provided with second screw holes, and the inside of the second screw holes is threadedly connected with second bolts through the adjusting rod.

[0009] Preferably, the top end of the adjusting rod is fixed with a movable block, the top end of the movable block is provided with a first screw hole, the inside of the first screw hole is threadedly connected with a first bolt through a through groove, and the inside of the adjusting seat is provided with a movable groove, and the movable groove is movably connected with the movable block.

[0010] Preferably, the outside of the first bolt is connected with a gasket, and the bottom end of the gasket is in contact with the top end of the adjusting seat.

[0011] Preferably, one side of the inside of the stand is provided with a containing groove, the inside of the containing groove is rotatably connected with a threaded rod, the outside of the threaded rod is threadedly sleeved with an adjusting sleeve, the inside of the adjusting sleeve is fixedly connected with the lifting plate, the inside of the stand below the containing groove is fixedly connected with a third motor, and the output end of the third motor extends to the inside of the containing groove and is connected with the threaded rod.

[0012] Preferably, the width of the adjusting sleeve matches the width of the containing groove, and the adjusting sleeve is rectangular.

[0013] Preferably, the inside of the stand away from the adjusting sleeve is provided with a guide groove, and the side of the lifting plate away from the adjusting sleeve is fixed with a guide block matched with the guide groove.

[0014] Compared with the prior art, the electric arc furnace slag pouring device with auxiliary discharging function has the advantages that the electric arc furnace slag pouring device with auxiliary discharging function realizes the function of conveniently assisting the discharging of slag.

[0015] By setting the connecting frame outside the furnace body, the second motor is started to drive the connecting frame and the furnace body to rotate synchronously during use, the normal slag in the furnace body is discharged, and the movable auxiliary frame is used to make one end of the auxiliary frame penetrate into the furnace body and contact the furnace bottom, the auxiliary frame is fixed through the action of the second bolt, the first motor is started to drive the auxiliary frame to rotate at low speed, and the bottom scraper and the side scraper are used to realize the auxiliary cleaning and discharging of the adhered slag on the inner wall of the furnace body, thereby improving the practicability and flexibility of the device.

[0016] Through the movement of the adjusting rod in the adjusting seat to adjust the extension range of the auxiliary frame, the device is suitable for furnaces with different inner diameters, and after the adjustment is completed, the first bolt and the first screw hole are connected to fix the adjusting rod, and the gasket is used to improve the overall limiting effect, thereby meeting different discharging requirements. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0018] Figure 1 It is a front view of the sectional structure of the present application.

[0019] Figure 2 It is a three-dimensional structure schematic diagram of the adjusting seat of the present application.

[0020] Figure 3 It is a three-dimensional structure schematic diagram of the auxiliary frame of the present application.

[0021] Figure 4 It is a front view structure schematic diagram of the auxiliary frame of the present application.

[0022] Figure 5 It is a side view structure schematic diagram of the stand of the present application.

[0023] Figure 6 It is a side view structure schematic diagram of the stand of the present application.

[0024] The reference signs in the drawing are explained as follows: 1, stand; 2, lifting plate; 3, electrode column; 4, connecting frame; 5, first motor; 6, auxiliary frame; 7, adjusting seat; 8, furnace body; 9, supporting seat; 10, second motor; 11, through slot; 12, movable slot; 13, adjusting rod; 14, movable block; 15, first screw hole; 16, first bolt; 17, gasket; 18, moving block; 19, moving slot; 20, second bolt; 21, bottom scraper; 22, second screw hole; 23, electric push rod; 24, side scraper; 25, containing slot; 26, adjusting sleeve; 27, threaded rod; 28, third motor. DETAILED DESCRIPTION

[0025] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments but not all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] Please refer to Figures 1-6 , the present application provides an embodiment: a slag pouring device of electric arc furnace which can assist in discharging, comprising a stand 1 and a supporting seat 9.

[0027] One side of the inside of the stand 1 is provided with a containing slot 25, and the inside of the containing slot 25 is rotatably connected with a threaded rod 27, the outside of the threaded rod 27 is threadedly sleeved with an adjusting sleeve 26, and the inside of the adjusting sleeve 26 is fixedly connected with the lifting plate 2. The inside of the stand 1 below the containing slot 25 is fixedly connected with a third motor 28, and the output end of the third motor 28 extends into the inside of the containing slot 25 and is connected with the threaded rod 27. The width of the adjusting sleeve 26 matches the width of the containing slot 25. The adjusting sleeve 26 is rectangular. One side of the inside of the stand 1 away from the adjusting sleeve 26 is provided with a guide slot. The side of the lifting plate 2 away from the adjusting sleeve 26 is fixedly connected with a guide block matched with the guide slot.

[0028] Specifically, as shown in Figure 1 , Figure 5 and Figure 6 , when in use, the third motor 28 is started to drive the threaded rod 27 to rotate. Under the action of threaded connection, the adjusting sleeve 26 drives the lifting plate 2 to move up and down. When descending, the bottom multiple groups of electrode columns 3 are simultaneously lowered into the inside of the furnace body 8, and then the furnace body 8 is used to smelt steel. During the movement of the lifting plate 2, the guide block and the guide slot can play the role of guiding and limiting during the lifting of the lifting plate 2.

[0029] The stand 1 is fixed between the top ends of the support seat 9, the inside of the stand 1 is movably connected with the lifting plate 2, the bottom end of the lifting plate 2 is uniformly fixed with the electrode column 3, the inside of the support seat 9 is rotatably connected with the connecting frame 4, the inside bottom end of the connecting frame 4 is fixed with the furnace body 8, the top end of the connecting frame 4 is fixed with the electric push rod 23, the output end of the electric push rod 23 extends below the connecting frame 4 and is fixed with the first motor 5, the bottom end of the first motor 5 is fixed with the adjusting seat 7, and the inside of the adjusting seat 7 is movably connected with the adjusting rod 13;

[0030] The top end of the adjusting rod 13 is fixed with the movable block 14, the top end of the movable block 14 is provided with the first screw hole 15, the inside of the first screw hole 15 is threadedly connected with the first bolt 16 through the through slot 11, the top end of the inside of the adjusting seat 7 is provided with the movable slot 12, the movable slot 12 is movably connected with the movable block 14, the outside of the first bolt 16 is connected with the gasket 17, and the bottom end of the gasket 17 is in contact with the top end of the adjusting seat 7;

[0031] Specifically, as shown in Figure 1 and Figure 2 , in use, the extension range of the auxiliary frame 6 is adjusted by moving the adjusting rod 13 in the adjusting seat 7 to adapt to different inner diameters of the furnace body 8;

[0032] The outside of the adjusting rod 13 is provided with the moving slot 19, and the inside of the moving slot 19 is movably connected with the moving block 18;

[0033] Both ends of the moving block 18 are provided with the second screw hole 22, and the inside of the second screw hole 22 is threadedly connected with the second bolt 20 through the adjusting rod 13;

[0034] Specifically, as shown in Figure 3 and Figure 4 , in use, the second bolt 20 and the second screw hole 22 are connected to fix the moving block 18 in different positions;

[0035] The outside of the moving block 18 is fixed with the auxiliary frame 6, the bottom end of the auxiliary frame 6 is fixed with the bottom scraper 21, the outside of the auxiliary frame 6 and the bottom scraper 21 is fixed with the side scraper 24, the inside of the support seat 9 is fixed with the second motor 10, and the output shaft of the second motor 10 is connected with the connecting frame 4.

[0036] Working principle: the utility model discloses in use, first in the furnace body 8 is used, start third motor 28 to drive screw rod 27 rotation, under the action of threaded connection, adjust the sleeve 26 drive lifting plate 2 to carry out lifting movement, when descending, to drive the bottom multiple electrode columns 3 synchronous drop to the furnace body 8 inside, further through the furnace body 8 to the steel and carry out smelting, when cleaning the cinder, start second motor 10 to drive the connecting frame 4 and furnace body 8 synchronous rotation, the normal cinder in the furnace body 8 inside carries out the discharge, for the cinder of furnace body 8 inside part not easy to discharge, movable auxiliary frame 6 makes its one end to go into the furnace body 8 inside and contact with the furnace bottom, through the action of second bolt 20 to the auxiliary frame 6 and carry out fixation, start first motor 5 to drive auxiliary frame 6 low speed rotation, cooperate bottom scraper 21 and side scraper 24's action to realize the auxiliary cleaning of the cinder of furnace body 8 inner wall and carry out discharge, improve the practicability and flexibility of device.

[0037] In the description of the utility model, it is to explain, unless there is definite and limited, the term "installation", "link", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0038] The device embodiment described above is only schematic, wherein the unit illustrated as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, i.e., can be located in one place, or can be distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment according to actual needs. Those skilled in the art can understand and implement without creative labor.

[0039] Finally, it should be noted that: the above examples are only used to illustrate the technical scheme of the utility model, and not to limit it, although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement to part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the utility model.

Claims

1. An electric arc furnace slag pouring device with auxiliary discharging function, comprising a stand (1) and a support base (9), the stand (1) being fixed between the top ends of the support base (9); characterized in that the inside of the stand (1) is movably connected with a lifting plate (2), the bottom end of the lifting plate (2) is uniformly fixed with an electrode column (3), the inner side of the support base (9) is rotatably connected with a connecting frame (4), the inner bottom end of the connecting frame (4) is fixed with a furnace body (8), the top end of the connecting frame (4) is fixed with an electric push rod (23), the output end of the electric push rod (23) extends below the connecting frame (4) and is fixed with a first motor (5), the bottom end of the first motor (5) is fixed with an adjusting base (7), the inside of the adjusting base (7) is movably connected with an adjusting rod (13), the outer side of the adjusting rod (13) is provided with a moving groove (19), the inside of the moving groove (19) is movably connected with a moving block (18), the outer side of the moving block (18) is fixed with an auxiliary frame (6), the bottom end of the auxiliary frame (6) is fixed with a bottom scraper (21), the outer sides of the auxiliary frame (6) and the bottom scraper (21) are both fixed with a side scraper (24), the inside of the support base (9) is fixed with a second motor (10), and the output shaft of the second motor (10) is connected with the connecting frame (4).

2. An electric arc furnace slag tapping device that can assist in discharging, according to claim 1, characterized in that: Both ends of the moving block (18) are provided with second screw holes (22), and the inside of the second screw holes (22) is threadedly connected with second bolts (20) through the adjusting rod (13).

3. An electric arc furnace slag tapping device that can assist in discharging, according to claim 1, characterized in that: The top end of the adjusting rod (13) is fixed with a movable block (14), the top end of the movable block (14) is provided with a first screw hole (15), the inside of the first screw hole (15) is threadedly connected with a first bolt (16) through a through groove (11), the top end of the inside of the adjusting base (7) is provided with a movable groove (12), and the movable groove (12) is movably connected with the movable block (14).

4. An electric arc furnace slag tapping device that can assist in discharging, according to claim 3, characterized in that: The outer side of the first bolt (16) is connected with a gasket (17), and the bottom end of the gasket (17) is in contact with the top end of the adjusting base (7).

5. An electric arc furnace slag tapping device that can assist in discharging, according to claim 1, characterized in that: One side of the inside of the stand (1) is provided with a containing groove (25), and the inside of the containing groove (25) is rotatably connected with a threaded rod (27), the outer side of the threaded rod (27) is threadedly sleeved with an adjusting sleeve (26), the inner side of the adjusting sleeve (26) is fixedly connected with the lifting plate (2), the inside of the stand (1) below the containing groove (25) is fixedly connected with a third motor (28), and the output end of the third motor (28) extends to the inside of the containing groove (25) and is connected with the threaded rod (27).

6. An electric arc furnace slag tapping device that can assist in discharging, according to claim 5, characterized in that: The width of the adjusting sleeve (26) matches the width of the containing groove (25), and the adjusting sleeve (26) is rectangular.

7. An electric arc furnace slag tapping device that can assist in discharging, according to claim 5, characterized in that: The side of the inside of the stand (1) away from the adjusting sleeve (26) is provided with a guide groove, and the side of the lifting plate (2) away from the adjusting sleeve (26) is fixed with a guide block matched with the guide groove.

Citation Information

Patent Citations

  • Slag dumping device for electric arc furnace

    CN221444838U