CN217895676U - Device for quickly and automatically maintaining furnace slope of electric arc furnace - Google Patents
Device for quickly and automatically maintaining furnace slope of electric arc furnace Download PDFInfo
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- CN217895676U CN217895676U CN202221870451.7U CN202221870451U CN217895676U CN 217895676 U CN217895676 U CN 217895676U CN 202221870451 U CN202221870451 U CN 202221870451U CN 217895676 U CN217895676 U CN 217895676U
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- hopper
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model relates to a device that is used for quick automatic maintenance stove slope of electric arc furnace belongs to metallurgical technical field, solves the quick technical problem of maintaining in electric arc furnace stove slope erosion position, and the solution is: the side plates are oppositely arranged on the left side and the right side of the back plate, the side plates are perpendicular to the back plate, and the side plates are welded with the back plate; the bottom plate is obliquely arranged at the bottom of an area defined by the back plate and the side plates, the edge of the bottom plate is respectively welded with the inner wall of the corresponding side plate and the inner wall of the back plate, the side plates and the bottom plate define a hopper, and the front side surface of the hopper is provided with a material leakage port; a plurality of connecting rods are arranged on side plates crossing two sides of the front side surface of the hopper at equal intervals along the vertical direction, lifting lugs are respectively arranged at four corners of the upper end surface of the hopper, and a lifting chain is connected with the lifting lugs; the utility model provides the high efficiency of maintaining the stove slope has guaranteed electric arc furnace lining safe operation, has reduced manufacturing cost simultaneously, has reduced the emergence of production accident. The device is convenient and fast to use, safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of the metallurgy, concretely relates to be used for quick automatic maintenance stove slope's of electric arc furnace device.
Background
The inside lining furnace slope often receives the erosion in the electric arc furnace smelting process, if can not in time maintain after the furnace slope erodees, then can cause smelting efficiency to reduce, smelts safe risk greatly increased, takes place production accidents such as running steel, wearing steel easily. Because the stove is in the red hot state in, the stove slope is maintained and is generally adopted the cooling back handling water-cooling dish to carry out online artifical maintenance stove slope, causes like this that the maintenance time is long, and the effect is poor, and the smelting time increases and because factor of safety is low when the abominable artifical maintenance operation of operational environment, is unfavorable for electric arc furnace production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of background art, solve the technical problem that electric arc furnace slope corrodes the quick maintenance in position, provide a device that is used for the quick automatic maintenance furnace slope of electric arc furnace for electric arc furnace slope automatic maintenance has improved the efficiency of maintaining the furnace slope, has promoted the effect of maintaining the furnace slope, has guaranteed electric arc furnace lining safe operation, has reduced manufacturing cost simultaneously, has reduced the emergence of production accident. The device is convenient and fast to use, safe and reliable.
The utility model provides a device that is used for quick automatic maintenance stove slope of electric arc furnace, it includes backplate, curb plate, bottom plate and sling chain, wherein:
the size of the back plate and the side plate is as follows: the length is 1800mm, the width is 1800mm, the thickness is 5mm, the side plates are oppositely arranged at the left side and the right side of the back plate, the side plates are mutually vertical to the back plate, and the side plates are welded with the back plate; the bottom plate size is: the length of the hopper is 2000mm, the width of the hopper is 1800mm, the thickness of the hopper is 10mm, the bottom plate is obliquely arranged at the bottom of an area formed by the enclosing of the back plate and the side plates, the inclination angle of the bottom plate is 30 degrees, the edge of the bottom plate is respectively welded and connected with the inner wall of the corresponding side plate and the inner wall of the back plate, the side plates and the bottom plate enclose the hopper, and the front side surface of the hopper is provided with a material leakage port; lifting lugs are respectively arranged at four corners of the upper end surface of the hopper, and the lifting chains are connected with the lifting lugs;
span the curb plate of hopper leading flank both sides sets up a plurality of connecting rods along vertical direction equidistant, and the size of connecting rod is: diameter 2mm x length 1800mm.
Further, the interval of adjacent links in the vertical direction is 200mm.
Furthermore, the connecting rod is made of round steel.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The efficiency is improved, and the cost is reduced. After the device is adopted, the cooling time for maintaining the furnace shell needs 2 hours, the maintenance time for the furnace shell needs 1 hour, and each maintenance time after the implementation only needs 5 minutes. The time is saved by 2 hours and 55 minutes. The charging time is changed into off-line time, and the production time is not occupied. The production efficiency is improved, and the production cost is reduced.
(2) The maintenance effect is good, and the safety and the reliability are good. Firstly, the stove outer covering state is red hot state when maintaining, can reach the effect of quick sintering after the ramming material is gone into the stove, and the stove outer covering is maintained effectually. Secondly, the maintenance process personnel do not enter the furnace, thus greatly improving the intrinsic safety.
(3) After the device is used, the furnace lining is maintained in time, and the production accidents of steel running, steel penetration and the like are reduced.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
The utility model provides a device that is used for quick automatic maintenance stove slope of electric arc furnace, it includes backplate 3, curb plate 1, bottom plate 4 and sling chain 2, wherein:
the dimensions of the back plate 3 and the side plate 1 are as follows: the length is 1800mm, the width is 1800mm, the thickness is 5mm, the side plates 1 are oppositely arranged at the left side and the right side of the back plate 3, the side plates 1 are mutually vertical to the back plate 3, and the side plates 1 are welded with the back plate 3; the dimensions of the bottom plate 4 are: the length is 2000mm, the width is 1800mm, the thickness is 10mm, the bottom plate 4 is obliquely arranged at the bottom of an area enclosed by the back plate 3 and the side plate 1, the inclination angle of the bottom plate 4 is 30 degrees, the edge of the bottom plate 4 is respectively welded and connected with the inner wall of the corresponding side plate 1 and the inner wall of the back plate 3, the side plate 1 and the bottom plate 4 are enclosed to form a hopper, and the front side surface of the hopper is provided with a material leakage port; lifting lugs 6 are respectively arranged at four corners of the upper end surface of the hopper, and the lifting chains 2 are connected with the lifting lugs 6;
span curb plate 1 of hopper leading flank both sides sets up a plurality of connecting rods 5 along vertical direction equidistant, and the material of connecting rod 5 is the round steel, and the size of connecting rod 5 is: the diameter is 2mm x the length is 1800mm and the spacing between adjacent links 5 in the vertical direction is 200mm.
The present example was carried out on a 90t stainless steel arc furnace, and the specific application process was as follows:
the ramming material ton bag is placed into the hopper in advance, 1-4t of materials can be loaded under normal conditions, after the furnace cover is unscrewed completely after electric arc furnace steel tapping, the hopper is lifted to the maintenance part by using a crown block, the material leakage part is close to the furnace wall side and is controlled to be 100-200 mm away from the furnace wall side, after the ton bag is burnt and damaged by high temperature in the furnace, the ramming material uniformly flows into the furnace from a gap between the furnace wall and the hopper, a slope-shaped furnace lining is formed gradually at the maintenance part, and the hopper is lifted out after the ramming material is leaked. The high temperature in the furnace is beneficial to the rapid sintering of the ramming material. The material preparation time does not influence the production time, and the maintenance time in the furnace is less than 5 minutes.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. The utility model provides a device that is used for quick automatic maintenance stove slope of electric arc furnace, it includes backplate, curb plate, bottom plate and sling chain, its characterized in that:
the size of the back plate and the side plate is as follows: the length is 1800mm, the width is 1800mm, the thickness is 5mm, the side plates are oppositely arranged at the left side and the right side of the back plate, the side plates are mutually vertical to the back plate, and the side plates are welded with the back plate; the bottom plate size is: the length of the hopper is 2000mm, the width of the hopper is 1800mm, the thickness of the hopper is 10mm, the bottom plate is obliquely arranged at the bottom of an area formed by the enclosing of the back plate and the side plates, the inclination angle of the bottom plate is 30 degrees, the edge of the bottom plate is respectively welded and connected with the inner wall of the corresponding side plate and the inner wall of the back plate, the side plates and the bottom plate enclose the hopper, and the front side surface of the hopper is provided with a material leakage port; lifting lugs are respectively arranged at four corners of the upper end surface of the hopper, and the lifting chains are connected with the lifting lugs;
span the curb plate of hopper leading flank both sides sets up a plurality of connecting rods along vertical direction equidistant, and the size of connecting rod is: diameter 2mm x length 1800mm.
2. The apparatus of claim 1 for fast and automatic maintenance of a furnace slope for an electric arc furnace, wherein: the interval between adjacent connecting rods along the vertical direction is 200mm.
3. The apparatus of claim 1 for fast and automatic maintenance of a furnace slope for an electric arc furnace, wherein: the connecting rod is made of round steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221870451.7U CN217895676U (en) | 2022-07-20 | 2022-07-20 | Device for quickly and automatically maintaining furnace slope of electric arc furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221870451.7U CN217895676U (en) | 2022-07-20 | 2022-07-20 | Device for quickly and automatically maintaining furnace slope of electric arc furnace |
Publications (1)
Publication Number | Publication Date |
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CN217895676U true CN217895676U (en) | 2022-11-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202221870451.7U Active CN217895676U (en) | 2022-07-20 | 2022-07-20 | Device for quickly and automatically maintaining furnace slope of electric arc furnace |
Country Status (1)
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CN (1) | CN217895676U (en) |
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2022
- 2022-07-20 CN CN202221870451.7U patent/CN217895676U/en active Active
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