CN210242346U - Electric arc furnace wall oxygen lance tied in a bundle adjusting device - Google Patents
Electric arc furnace wall oxygen lance tied in a bundle adjusting device Download PDFInfo
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- CN210242346U CN210242346U CN201921333174.4U CN201921333174U CN210242346U CN 210242346 U CN210242346 U CN 210242346U CN 201921333174 U CN201921333174 U CN 201921333174U CN 210242346 U CN210242346 U CN 210242346U
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Abstract
The utility model provides an electric arc furnace oven oxygen rifle adjusting device tied in a bundle, belong to metallurgical equipment technical field, the utility model discloses a lifting column goes up the cover and is equipped with lifting sleeve, the last locking screw hole that is provided with of lifting sleeve, the terminal surface passes through the connecting rod under the sideslip sleeve pipe and links to each other with oxygen rifle regulating plate tied in a bundle, first spheroid inlays the dress and puts at oxygen rifle regulating plate central point tied in a bundle to rotate wantonly for oxygen rifle regulating plate tied in a bundle, electric arc furnace arc mounting panel is installed on the electric arc furnace oven, it has the oxygen rifle via hole tied in a bundle to open on the electric arc furnace oven, and rotate wantonly for electric arc furnace arc. The utility model discloses a lifting sleeve pipe moves on the lifting column and sideslip sleeve pipe moves at the sideslip post and drives oxygen rifle one end removal tied in a bundle, has realized the change of oxygen rifle angle tied in a bundle, and the oxygen rifle tied in a bundle can be in the installation through-hole axial displacement, has solved the oxygen rifle mouth of oxygen rifle tied in a bundle and has smelted the problem far away from the molten steel level earlier stage.
Description
Technical Field
The utility model relates to the technical field of metallurgical equipment, especially, relate to an electric arc furnace oven oxygen rifle adjusting device tied in a bundle.
Background
An oxygen lance on a furnace door of an electric arc furnace can extend into the furnace to operate only by opening the furnace door, however, in the smelting process of the electric arc furnace, in order to reduce the entrance of cold air outside the furnace and reduce energy consumption, more and more electric arc furnaces adopt smelting technologies of canceling the oxygen lance on the furnace door, closing the furnace door and adopting the oxygen lance on the whole furnace wall. However, the existing furnace wall oxygen lance is fixed on the furnace wall, and after the angle and the length extending into the furnace are adjusted, the angle and the length can not be adjusted in the whole furnace service process. Because the molten steel level is slowly raised in the smelting process, and the oxygen lance on the furnace wall is in a fixed position, the installation position is generally designed according to the distance of the molten steel level in the later period. Therefore, the oxygen lance mouth is far away from the molten steel surface in the early stage of smelting, and the high temperature of the combustion flame of the secondary oxygen and the fuel gas is only adopted to protect the oxygen jet flow to keep larger kinetic energy in a longer distance so as to improve the stirring of the oxygen to the molten steel. Not only causes the problems of waste of fuel gas and low utilization rate of oxygen, but also brings great difficulty and potential safety hazard to the operation. When oxygen supply is stopped, in order to avoid blockage by steel slag, the furnace wall oxygen lance cannot be moved out of the furnace, and all media also need to keep minimum flow, so that waste of various energy media is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem and further provides an electric arc furnace wall oxygen lance adjusting device tied in a bundle.
An electric arc furnace wall coherent oxygen lance adjusting device comprises a lifting column, a lifting sleeve, a transverse moving column, a transverse moving sleeve, a coherent oxygen lance adjusting plate, a first ball body, a coherent oxygen lance, an electric arc furnace arc-shaped mounting plate and a second ball body, wherein the lifting column is vertically arranged on a base, the lifting sleeve is sleeved on the lifting column, the transverse moving column is arranged between the two lifting sleeve pipes, and the lifting sleeve pipes and the lifting column are locked through locking bolts;
the transverse column is sleeved with a plurality of transverse sleeves, the lower end faces of the transverse sleeves are connected with the coherent oxygen lance adjusting plate through connecting rods, the first ball body is embedded on the coherent oxygen lance adjusting plate, and the first ball body can rotate freely relative to the coherent oxygen lance adjusting plate;
the electric arc furnace arc mounting plate is mounted on the electric arc furnace wall, a coherent oxygen lance through hole is formed in the electric arc furnace wall, the second ball body is embedded on the electric arc furnace arc mounting plate, the second ball body can rotate freely relative to the electric arc furnace arc mounting plate, mounting through holes are formed in the spherical surfaces of the first ball body and the second ball body, and the coherent oxygen lance sequentially penetrates through the first ball body, the second ball body and the coherent oxygen lance through hole to be placed in the electric arc furnace;
locking threaded holes are formed in the spherical surfaces of the first spherical body and the second spherical body, and the first spherical body and the second spherical body are locked with the side wall of the coherent oxygen lance through locking bolts.
Furthermore, be provided with a plurality of spacing screw holes on the lift post lateral wall, the lift sleeve pipe is spacing through locking bolt and lift post cooperation installation.
Further, the arc-shaped mounting plate of the electric arc furnace is provided with mounting end faces at two ends, a threaded hole is formed in each mounting end face, and the arc-shaped mounting plate of the electric arc furnace is mounted on the furnace wall of the electric arc furnace through bolts.
Furthermore, the first sphere and the second sphere are provided with mounting through holes through the sphere centers, and the inner diameter of the mounting through holes is the same as the outer diameter of the coherent oxygen lance.
Furthermore, the lifting column is connected with the base through a reinforcing rib.
The utility model discloses beneficial effect:
the utility model realizes the up-and-down movement of the lifting sleeve on the lifting column and the left-and-right movement of the traversing sleeve on the traversing column, thereby driving one end of the coherent oxygen lance to move, because the first sphere and the second sphere are both provided with the mounting through holes and are both mounted by adopting the embedding mode, the change of the coherent oxygen lance in multiple angles is realized, the coherent oxygen lance can axially move in the mounting through hole simultaneously, the extension of the coherent oxygen lance is realized, and the problem that the oxygen lance mouth is far away from the molten steel surface in the earlier stage of smelting of the coherent oxygen lance is solved; the utility model discloses a novel structure can realize the change of multi-angle simultaneously, has improved the efficiency of workman's work.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of an arc mounting plate structure of an electric arc furnace;
FIG. 3 is a schematic diagram of a first sphere;
FIG. 4 is a schematic structural view of a modulation plate of the coherent oxygen lance;
in the figure, 1-a lifting column, 11-a limiting threaded hole, 12-a reinforcing rib, 2-a lifting sleeve, 3-a transverse moving column, 4-a transverse moving sleeve, 5-a coherent oxygen lance adjusting plate, 6-a first sphere, 7-a coherent oxygen lance, 8-an arc-shaped mounting plate of an electric arc furnace, 81-a mounting end face, 9-a second sphere, 10-the electric arc furnace and 101-the coherent oxygen lance are communicated with a hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 4, the adjusting device of the coherent oxygen lance on the wall of the electric arc furnace comprises a lifting column 1, a lifting sleeve 2, a traversing column 3, a traversing sleeve 4, a coherent oxygen lance adjusting plate 5, a first sphere 6, a coherent oxygen lance 7, an arc-shaped mounting plate 8 of the electric arc furnace and a second sphere 9, wherein the two lifting columns 1 are vertically arranged on a base, and preferably, the lifting columns 1 are arranged on the base through reinforcing ribs 12 to prevent the lifting columns 1 from bending; the lifting column 1 is sleeved with a lifting sleeve 2, a transverse moving column 3 is arranged between the two lifting sleeves 2, further optimization is realized, a locking threaded hole is formed in the lifting sleeve 2, and the lifting sleeve 2 and the lifting column 1 can be locked through a locking bolt;
the transverse column 3 is sleeved with a plurality of transverse sleeves 4, the lower end faces of the transverse sleeves 4 are connected with an oxygen lance bundling adjusting plate 5 through connecting rods, a first ball body 6 is embedded on the oxygen lance bundling adjusting plate 5, preferably, the first ball body 6 is embedded in the central position of the oxygen lance bundling adjusting plate 5, and the first ball body 6 can rotate freely relative to the oxygen lance bundling adjusting plate 5;
the arc-shaped mounting plate 8 of the electric arc furnace is mounted on the wall of the electric arc furnace 10, the wall of the electric arc furnace 10 is provided with a coherent oxygen lance through hole 101, the second sphere 9 is embedded in the central position of the arc-shaped mounting plate 8 of the electric arc furnace, the second sphere 9 can rotate freely relative to the arc-shaped mounting plate 8 of the electric arc furnace, the optimization is further carried out, the spherical surfaces of the first sphere 6 and the second sphere 9 are provided with mounting through holes 61 through the spherical centers, and the coherent oxygen lance 7 sequentially penetrates through the first sphere 6, the second sphere 9 and the coherent oxygen lance through hole 101 to be;
locking threaded holes are formed in the spherical surfaces of the first spherical body 6 and the second spherical body 9, and the first spherical body 6 and the second spherical body 9 are locked with the side wall of the coherent oxygen lance 7 through locking bolts; so set up, the removal about lifting sleeve 2 realized on lifting column 1, sideslip sleeve 4 moves about realizing on sideslip post 3 to drive the one end of oxygen lance tied in a bundle and 7 and remove, because first spheroid 6 and second spheroid 9 all adopt to inlay the mode installation of dress, so can realize the change of 7 multi-angles of oxygen lance tied in a bundle, so oxygen lance 7 can be 61 axial displacement in the installation through-hole, realized the flexible of oxygen lance tied in a bundle 7, solved oxygen lance mouth apart from the molten steel level far away problem in earlier stage of 7 smelting of oxygen lance tied in a bundle.
Further optimize, be provided with a plurality of spacing screw holes 11 on the 1 lateral wall of lift post, thereby lift sleeve 2 carries on spacingly through the spacing screw hole 11 cooperation installation on locking bolt and the lift post 1, so sets up, can effectively prevent to lead to lift sleeve 2 to take place the drunkenness on lift post 1 because of 7 weights of coherent oxygen rifle.
Preferably, electric arc furnace arc mounting panel 8 both ends are provided with mounting surface 81, and it has the screw hole to open on the mounting surface 81, and electric arc furnace arc mounting panel 8 passes through the bolt to be installed on electric arc furnace 10 oven, so sets up, is located and installs electric arc furnace arc mounting panel 8 alone on electric arc furnace 10's the outer wall to through the fixed mounting mode of bolt, can convenient and fast carry out the dismouting.
Furthermore, the first sphere 6 and the second sphere 9 are provided with the mounting through hole 61 through the sphere centers, the inner diameter of the mounting through hole 61 is the same as the outer diameter of the coherent oxygen lance 7, and the arrangement prevents the coherent oxygen lance 7 and the mounting through hole 61 from shaking due to installation mismatching and affecting operation and use.
The working process is as follows:
during working, the angle of the coherent oxygen lance 7 is adjusted by adjusting the position of the lifting sleeve 2 on the lifting column 1 and the position of the transverse moving sleeve 4 on the transverse moving column 3, after the angle adjustment is finished, the lifting sleeve is fixedly locked through the locking bolt, the position of the coherent oxygen lance 7 in the installation through hole 61 is axially adjusted, the distance from the oxygen lance opening of the coherent oxygen lance 7 to the steel surface is adjusted, and after the distance adjustment, the coherent oxygen lance is fixedly locked through the clamping bolt.
When the electric arc furnace is in a non-working state, the locking bolts on the locking threaded holes of the first sphere 6 and the second sphere 9 are loosened, and after the coherent oxygen lance 7 is drawn out of the electric arc furnace 10, an operator plugs the installation through hole 61 of the second sphere 9.
Claims (5)
1. The adjusting device for the coherent oxygen lance on the furnace wall of the electric arc furnace is characterized by comprising a lifting column (1), lifting sleeves (2), a transverse moving column (3), a transverse moving sleeve (4), a coherent oxygen lance adjusting plate (5), a first sphere (6), a coherent oxygen lance (7), an arc-shaped electric arc furnace mounting plate (8) and a second sphere (9), wherein the lifting column (1) is vertically arranged on a base, the lifting sleeve (2) is sleeved on the lifting column (1), the transverse moving column (3) is arranged between the two lifting sleeves (2), and the lifting sleeves (2) and the lifting column (1) are locked through locking bolts;
a plurality of transverse sleeves (4) are sleeved on the transverse moving column (3), the lower end face of each transverse sleeve (4) is connected with an oxygen coherent lance adjusting plate (5) through a connecting rod, a first ball body (6) is embedded on the oxygen coherent lance adjusting plate (5), and the first ball body (6) can rotate freely relative to the oxygen coherent lance adjusting plate (5);
the electric arc furnace arc mounting plate (8) is mounted on the wall of the electric arc furnace (10), a coherent oxygen lance through hole (101) is formed in the wall of the electric arc furnace (10), the second sphere (9) is embedded on the electric arc furnace arc mounting plate (8), the second sphere (9) can rotate freely relative to the electric arc furnace arc mounting plate (8), mounting through holes (61) are formed in the spherical surfaces of the first sphere (6) and the second sphere (9), and the coherent oxygen lance (7) sequentially penetrates through the first sphere (6), the second sphere (9) and the coherent oxygen lance through hole (101) and is arranged in the electric arc furnace (10);
locking threaded holes are formed in the spherical surfaces of the first spherical body (6) and the second spherical body (9), and the first spherical body (6) and the second spherical body (9) are respectively locked with the side wall of the coherent oxygen lance (7) through clamping bolts.
2. The adjusting device of the electric arc furnace wall coherent oxygen lance according to claim 1, characterized in that the side wall of the lifting column (1) is provided with a plurality of limiting threaded holes (11), and the lifting sleeve (2) is installed in cooperation with the lifting column (1) through locking bolts for limiting.
3. The adjusting device of the electric arc furnace wall coherent oxygen lance of claim 2, wherein the two ends of the electric arc furnace arc-shaped mounting plate (8) are provided with mounting end surfaces (81), the mounting end surfaces (81) are provided with threaded holes, and the electric arc furnace arc-shaped mounting plate (8) is mounted on the wall of the electric arc furnace (10) through bolts.
4. The adjusting device of the electric arc furnace wall coherent oxygen lance of claim 3, wherein the first sphere (6) and the second sphere (9) are provided with mounting through holes (61) through the sphere centers, and the inner diameter of the mounting through holes (61) is the same as the outer diameter of the coherent oxygen lance (7).
5. The adjusting device for the coherent oxygen lance for the wall of the electric arc furnace according to claim 4, wherein the lifting column (1) is connected to the base by a reinforcing rib (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921333174.4U CN210242346U (en) | 2019-08-16 | 2019-08-16 | Electric arc furnace wall oxygen lance tied in a bundle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921333174.4U CN210242346U (en) | 2019-08-16 | 2019-08-16 | Electric arc furnace wall oxygen lance tied in a bundle adjusting device |
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| CN210242346U true CN210242346U (en) | 2020-04-03 |
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| CN201921333174.4U Active CN210242346U (en) | 2019-08-16 | 2019-08-16 | Electric arc furnace wall oxygen lance tied in a bundle adjusting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114317883A (en) * | 2021-12-31 | 2022-04-12 | 钢铁研究总院 | Electric arc furnace wall oxygen lance system with jet deflection angle |
| CN114353511A (en) * | 2021-12-30 | 2022-04-15 | 钢铁研究总院 | Electric arc furnace wall gun movable support structure based on connecting rod type virtual rotating shaft |
-
2019
- 2019-08-16 CN CN201921333174.4U patent/CN210242346U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353511A (en) * | 2021-12-30 | 2022-04-15 | 钢铁研究总院 | Electric arc furnace wall gun movable support structure based on connecting rod type virtual rotating shaft |
| CN114353511B (en) * | 2021-12-30 | 2023-03-03 | 钢铁研究总院 | Electric arc furnace wall gun movable support structure based on connecting rod type virtual rotating shaft |
| CN114317883A (en) * | 2021-12-31 | 2022-04-12 | 钢铁研究总院 | Electric arc furnace wall oxygen lance system with jet deflection angle |
| CN114317883B (en) * | 2021-12-31 | 2023-04-11 | 钢铁研究总院 | Electric arc furnace wall oxygen lance system with jet deflection angle |
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