CN215638745U - Electric arc furnace structure of electric smelting zirconia corundum brick workshop - Google Patents

Abstract

Translated fromChinese

本实用新型公开了一种电熔锆刚玉砖生产车间的电弧炉结构，包括电弧炉本体以及炉盖，所述炉盖具体为中空结构，且顶部外壁覆盖有石棉外衣，所述炉盖的顶部固定安装有用于固定所述石棉外衣用的石墨盖板；所述电弧炉本体一侧的外壁设置有炉渣出料座，所述炉渣出料座包括连通器以及下料管，所述下料管安装于所述连通器的底部，所述下料管的内壁对称设置有向轴心倾斜的下滑板。该实用新型提供的电熔锆刚玉砖生产车间的电弧炉结构，降低了整体炉盖的重量，并提高了其保温的特性，可有效地降低热源的散发以及厂内空间的温度，且方便对炉内的液体的表面漂浮的颗粒进行排出，避免传统处理工艺对工人带来的身体带来的影响。

The utility model discloses an electric arc furnace structure of an electric fused zirconium corundum brick production workshop, comprising an electric arc furnace body and a furnace cover. The furnace cover is a hollow structure, and the outer wall of the top is covered with an asbestos coat. A graphite cover plate for fixing the asbestos coat is fixedly installed; the outer wall of one side of the electric arc furnace body is provided with a slag discharge seat, and the slag discharge seat includes a communication device and a feeding pipe, the feeding pipe It is installed at the bottom of the communicating device, and the inner wall of the feeding pipe is symmetrically provided with a lower sliding plate inclined to the axis. The electric arc furnace structure of the fused zirconium corundum brick production workshop provided by the utility model reduces the weight of the overall furnace cover, improves its thermal insulation properties, can effectively reduce the heat source emission and the temperature of the interior space, and is convenient for The particles floating on the surface of the liquid in the furnace are discharged to avoid the physical impact of the traditional treatment process on the workers.

Description

Electric arc furnace structure of electric smelting zirconia corundum brick workshop

Technical Field

The utility model relates to an electric arc furnace structure of an electric smelting zirconia-corundum brick production workshop.

Background

Electric arc furnaces utilize high temperature melting of ores and metals produced by an electrode arc. The high-temperature dissolution of the same raw material for the fused zirconia-corundum bricks also needs to be carried out by an electric arc furnace, and the whole pouring process is approximately similar.

Patent No. CN201611264740.1 discloses a cover opening structure of a scrap steel preheating type electric arc furnace, which comprises a furnace body, a furnace cover, a scrap steel preheating device and a ring body; the ring body is arranged above the furnace body and fixedly connected with the furnace body to form a scrap steel feeding interface which is connected with a scrap steel preheating device; the scrap steel feeding interface is provided with a vertical plane perpendicular to the tilting axis of the furnace body and is used for adapting to any tilting operation of the furnace body; one side of the ring body, which is far away from the scrap steel preheating device, is provided with a sealing surface matched with the furnace cover, and the sealing surface is used for adapting to the rotary swinging-open operation of the furnace cover and forming tight joint with the ring body through the sealing surface when the furnace cover is closed. The electric arc furnace can be kept airtight when the furnace cover is closed through the sealing surface, and the furnace cover is convenient to open and close, is tightly matched with the furnace body, and is airtight.

Conventional electric arc furnaces are provided with furnace doors, workers are required to discharge particles floating on the surfaces of liquid in the electric arc furnaces through the furnace doors, and the temperature in the furnaces is over one thousand degrees, so that the harm to the bodies of the workers is great.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric arc furnace structure of an electric smelting zirconium corundum brick production workshop, which is convenient for discharging particles floating on the surface of liquid in the furnace.

In order to achieve the above purpose, the utility model provides the following technical scheme: the electric arc furnace structure of the electric smelting zirconium corundum brick production workshop comprises an electric arc furnace body and a furnace cover, wherein the furnace cover is of a hollow structure, an asbestos coat covers the outer wall of the top of the furnace cover, and a graphite cover plate for fixing the asbestos coat is fixedly installed at the top of the furnace cover;

the outer wall of electric arc furnace body one side is provided with slag discharging seat, slag discharging seat includes linker and unloading pipe, the unloading pipe install in the bottom of linker, the inner wall symmetry of unloading pipe is provided with the gliding plate that inclines to the axle center.

Preferably, the furnace cover consists of a furnace cover lining plate and a cover surface with an arch structure, and a hollow inner cavity is formed between the furnace cover lining plate and the cover surface.

Preferably, the outer wall of one side of the electric arc furnace body is provided with a discharge hopper which is arranged opposite to the slag discharge seat, and the horizontal plane of the discharge hopper is higher than that of the slag discharge seat.

Preferably, the electric arc furnace further comprises a plurality of electrode rods, the electrode rods are fixedly mounted at the top of the furnace cover, a furnace pipe is arranged at the bottom of the inner side of the electric arc furnace body, the height of a port of the furnace pipe is equal to that of the liquid inlet of the communicating device, and one ends of the electrode rods extend into the electric arc furnace body and are close to the horizontal plane where the communicating device is located.

Preferably, the liquid inlet and the liquid outlet of the communicating vessel are arranged in an inclined manner, and the height of the port of the liquid outlet is lower than that of the port of the liquid inlet.

Preferably, the liquid outlet of the blanking pipe is provided with a diversion hopper, and a preset distance is kept between the diversion hopper and the electric arc furnace body.

In the technical scheme, the electric arc furnace structure of the electric melting zirconia-corundum brick production workshop provided by the utility model has the following beneficial effects: make electric arc furnace body and external world communicate through the slag discharging seat, and the inlet of slag discharging seat can be less than the inlet, consequently produces certain attraction effect, makes the electric arc furnace body to slag discharging seat one side slightly slope through the hydraulic stem to discharge the granule on liquid surface, and a plurality of lower slides that set up in the unloading pipe can play the effect of buffering, and the liquid whereabouts impact force of avoiding flowing causes the height that solution splashes higher, the workman of dangerous operation.

Moreover, when the electric arc furnace body is in the level, multistage gliding plate also can play the effect of certain separation, avoids the problem that this internal local temperature of electric arc furnace is on the low side.

Drawings

FIG. 1 is a schematic overall structure diagram provided in an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a point a according to an embodiment of the present invention.

Description of reference numerals:

1. an electric arc furnace body; 2. a furnace cover; 21. a furnace lid lining plate; 22. covering; 3. an asbestos coat; 4. a graphite cover plate; 5. a slag discharging seat; 51. a communicating vessel; 52. a discharging pipe; 53. a lower slide plate; 6. a discharge hopper; 7. a furnace pipe; 8. a flow guide hopper.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, an electric arc furnace structure for a production workshop of electrically fused zirconia-corundum bricks comprises an electric arc furnace body 1 and afurnace cover 2. As a further technical solution provided by the present invention, as shown in fig. 1, thefurnace lid 2 is composed of a furnace lid lining 21 and alid surface 22 having an arch structure, a hollow inner cavity is formed between the furnace lid lining 21 and thelid surface 22, anasbestos coat 3 covers the outer wall of the top of thelid surface 22, and a graphite lid plate 4 for fixing theasbestos coat 3 is fixedly mounted on the top of thefurnace lid 2. The weight of thewhole furnace cover 2 is reduced, the heat preservation characteristic is improved, and the heat source emission and the temperature of the space in the factory can be effectively reduced.

As a further technical solution provided by the present invention, as can be seen from fig. 1 and 2, a slag discharging seat 5 is provided on the outer wall of one side of the electric arc furnace body 1, and a discharginghopper 6 is provided on the other side opposite to the slag discharging seat 5, and the horizontal plane of the discharginghopper 6 is higher than the horizontal plane of the slag discharging seat 5. In the above embodiment, the slag discharging base 5 includes a communicatingvessel 51 and a dischargingpipe 52, the dischargingpipe 52 is mounted at the bottom of the communicatingvessel 51, and the inner wall of the dischargingpipe 52 is symmetrically provided with lower slidingplates 53 inclined toward the axis. Make electric arc furnace body 1 to slag discharging seat 5 one side slightly slope through the hydraulic stem to discharge the granule on liquid surface, and a plurality oflower slides 53 that set up in unloadingpipe 52 can play the effect of buffering, and the liquid that avoids flowing falls the impact force and causes the height that solution splashes higher, the workman of dangerous operation. Moreover, when the electric arc furnace body 1 is horizontal, the multi-stagelower slide plate 53 can also play a certain role in blocking, so as to avoid the problem that the local temperature in the electric arc furnace body 1 is lower.

In a specific implementation process, the liquid inlet and the liquid outlet of the communicatingvessel 51 are inclined, and the height of the port of the liquid outlet is lower than that of the liquid inlet, so that a certain attraction effect can be formed, and the hydraulic rod enables the electric arc furnace body 1 to slightly incline towards the slag discharging seat 5.

In the present embodiment, a plurality of electrode rods are fixed on the top of thefurnace cover 2 through electrode clamps, afurnace pipe 7 is disposed at the bottom of the inner side of the electric arc furnace body 1, the height of the end of thefurnace pipe 7 is the same as the liquid inlet of the communicatingvessel 51, and one end of each of the plurality of electrode rods extends into the electric arc furnace body 1 and is close to the horizontal plane where the communicatingvessel 51 is located. After the power is on, the electrode bar releases electric arc to heat the raw material to be melted which is put in thefurnace cover 2 from the feed inlet.

In the above solution, as can be seen from fig. 2, thediversion hopper 8 is disposed at the outlet of the feedingpipe 52, and a predetermined distance is kept between thediversion hopper 8 and the arc furnace body 1. To prevent the discharged liquid from contacting the outer wall of the electric arc furnace body 1 and condensing.

The working principle is as follows:

1. a hydraulic rod is provided at the bottom of the electric arc furnace body 1 near the slag tap changer 5 side for driving the electric arc furnace body 1 to tilt so that the heated solution is discharged from thetap hopper 6.

2. Putting raw materials to be melted into afurnace cover 2 from a feeding hole at the top of the furnace cover until a preset amount of raw materials is obtained; then the electrode rod releases the electric arc to melt the raw material, and the hydraulic rod is driven to slightly incline the electric arc furnace body 1 to the slag discharging seat 5 side, so that the particles on the liquid surface are discharged from the blankingpipe 52. Then the furnace body 1 is reset. And driving the hydraulic rod again to enable the electric arc furnace body 1 to incline towards the side of thedischarge hopper 6 and pour the solution into the sand mould riser.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims (6)

1. The electric arc furnace structure of the electric smelting zirconium corundum brick production workshop comprises an electric arc furnace body (1) and a furnace cover (2), and is characterized in that the furnace cover (2) is of a hollow structure, an asbestos coat (3) covers the outer wall of the top of the furnace cover, and a graphite cover plate (4) for fixing the asbestos coat (3) is fixedly installed at the top of the furnace cover (2); the outer wall of electric arc furnace body (1) one side is provided with slag discharging seat (5), slag discharging seat (5) are including linker (51) and unloading pipe (52), unloading pipe (52) install in the bottom of linker (51), the inner wall symmetry of unloading pipe (52) is provided with slide down (53) to the axle center slope.

2. An electric arc furnace structure in a shop for producing electrically fused zirconia-corundum bricks according to claim 1, characterized in that said furnace roof (2) is composed of a lining (21) and a roof (22) having an arch structure, and a hollow inner cavity is formed between said lining (21) and said roof (22).

3. The electric arc furnace structure of an electric smelting zirconium corundum brick production workshop according to claim 1, characterized in that the outer wall of one side of the electric arc furnace body (1) is provided with a discharging hopper (6) which is arranged opposite to the slag discharging seat (5), and the horizontal plane of the discharging hopper (6) is higher than the horizontal plane of the slag discharging seat (5).

4. The electric arc furnace structure of electric smelting zirconium corundum brick workshop according to claim 1, characterized by further comprising a plurality of electrode bars, a plurality of the electrode bars are all fixedly installed at the top of the furnace cover (2), the bottom of the inner side of the electric arc furnace body (1) is provided with a furnace pipe (7), the height of the port of the furnace pipe (7) is the same as the liquid inlet of the communicating vessel (51), and one ends of the electrode bars extend into the electric arc furnace body (1) and are close to the horizontal plane where the communicating vessel (51) is located.

5. The electric arc furnace structure of an electric smelting zirconium corundum brick production workshop according to claim 1, characterized in that the liquid inlet and the liquid outlet of the communicating vessel (51) are obliquely arranged, and the port height of the liquid outlet is lower than that of the liquid inlet.

6. An electric arc furnace structure in a workshop for producing fused zirconia-corundum bricks according to claim 1, characterized in that the liquid outlet of the blanking pipe (52) is provided with a diversion hopper (8), and a predetermined distance is kept between the diversion hopper (8) and the electric arc furnace body (1).

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