CN209893950U - Water-cooling furnace mouth for converter - Google Patents
Water-cooling furnace mouth for converter Download PDFInfo
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- CN209893950U CN209893950U CN201822234979.5U CN201822234979U CN209893950U CN 209893950 U CN209893950 U CN 209893950U CN 201822234979 U CN201822234979 U CN 201822234979U CN 209893950 U CN209893950 U CN 209893950U
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Abstract
The utility model discloses a water-cooling fire door for converter, including fire door body, condenser tube and U-shaped pipe, its characterized in that: the furnace mouth comprises a furnace mouth body and is characterized in that a furnace mouth half body is arranged inside the furnace mouth body, the inner side of the furnace mouth body is an inner ring surface, the outer side of the furnace mouth body is a top surface, a flange plate is arranged at the right end of a cooling water pipe, the cooling water pipe is located inside the furnace mouth half body, a connecting pipe is mounted on the outer surface of the cooling water pipe, a threaded block is connected to the outer surface of the U-shaped pipe, the U-shaped pipe is located inside the connecting pipe, a screw rod is mounted on the outer portion of the furnace mouth half body, and. Compared with the water-cooled furnace mouth for the ordinary converter, the water-cooled furnace mouth for the converter has the advantages that the water-cooled furnace mouth for the converter has no deformation, cracking or water leakage phenomenon in the initial use stage, and the service life of the furnace mouth is greatly prolonged, so that the water-cooled furnace mouth for the converter can meet the use requirement of one furnace service.
Description
Technical Field
The utility model relates to the technical field of converter steelmaking equipment, in particular to a water-cooling furnace mouth for a converter.
Background
The converter is one of the most widely used steel-making equipments, the converter body is generally composed of three parts of a furnace cap, a furnace shell and a furnace bottom, in order to facilitate the charging, the insertion of oxygen lances, the discharge of furnace gas and the slag dumping during the operation of the converter, a circular converter mouth is arranged at the top of the furnace cap, and the converter mouth bears the thermal stress, the gravity of steel slag, the scouring of steel slag and the thermal radiation of furnace gas during the operation.
The water-cooled furnace mouth for the existing converter is usually in a horizontal plane structure, and for the water-cooled furnace mouth used for a medium-sized or large-sized converter with more than 80 tons, the size and the weight of the furnace mouth are larger, so that the heat radiation is also larger, the horizontal plane structure has more steel slag accumulated and is not easy to clean, and the inner ring hanging slag is easy to scrape off during cleaning, so that the furnace mouth main body is exposed at high temperature, and the deformation and the cracking of the furnace mouth are accelerated; the self gravity of the furnace mouth is also the main reason of deformation and cracking, the use requirements of people can not be well met, and technical innovation is carried out on the basis of the existing water-cooling furnace mouth for the converter aiming at the conditions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water-cooling furnace mouth for converter to solve the above-mentioned background art and put forward general water-cooling furnace mouth for converter and usually structural style is horizontal plane structure, for the water-cooling furnace mouth that the converter of 80 tons or more used medium-and-large-scale converter is because the furnace mouth self size and weight are great, the thermal radiation that bears is also great, horizontal plane structure piles up the slag more difficult clearance, the inner ring hangs the sediment and is very easy to be scraped off during the clearance, and make the furnace mouth main part expose under high temperature, has accelerated the deformation and the fracture of furnace mouth; the self gravity of the furnace mouth is also the main reason for deformation and cracking, and the use requirement of people cannot be well met.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water-cooling fire door for converter, includes fire door body, condenser tube and U-shaped pipe, its characterized in that: the furnace mouth comprises a furnace mouth body and is characterized in that a furnace mouth half body is arranged inside the furnace mouth body, the inner side of the furnace mouth body is an inner ring surface, the outer side of the furnace mouth body is a top surface, a flange plate is arranged at the right end of a cooling water pipe, the cooling water pipe is located inside the furnace mouth half body, a connecting pipe is mounted on the outer surface of the cooling water pipe, a thread block is connected to the outer surface of the U-shaped pipe, the U-shaped pipe is located inside the connecting pipe, a screw rod is mounted on the outer portion of the furnace mouth half body, a nut is connected to the outer surface of the screw rod, the screw rod is in.
Preferably, the inner ring surface is provided with a slope structure, and the vertical position at the outer side edge of the inner ring surface is higher than the vertical position at the inner side edge.
Preferably, the top surface is provided with a slope structure, the vertical position of the outer side edge of the top surface is lower than that of the inner side edge, and an arc structure is formed between the inner ring surface and the top surface.
Preferably, the cooling water pipes are arranged in a serpentine structure, and are connected through U-shaped pipes.
Preferably, the furnace mouth half bodies are matched with each other through a screw and a nut to form a circular structure, and the sealing gasket penetrates through the screw.
Preferably, the U-shaped pipe is connected with the cooling water pipe through a connecting pipe, and the U-shaped pipe and the connecting pipe form a thread structure through a thread block.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model has the advantages that the inner ring surface is arranged to be the inclined plane through the arrangement of the inner ring surface and the top surface, the purpose is that the inner ring inside the furnace mouth can be hung with slag through the structure arrangement of the surface, and further the residue can be adsorbed on the surface of the inner ring, so that the residue can protect the inner ring inside the furnace mouth so as to protect the inner ring body, the furnace mouth body is prevented from being exposed under high temperature, the too early cracking of the inner ring inside the furnace mouth in the use process is avoided, the normal work of the furnace mouth is further influenced, the service life of the inner ring inside the furnace mouth is prolonged, the service life of the furnace mouth is also prolonged, the force applied to the furnace mouth in the vertical direction in the use process is greatly reduced through the arrangement of the outer side surface of the top surface, the moment applied to the furnace mouth is almost zero, and the deformation degree of the furnace mouth in the use process is further reduced, the service life of the furnace mouth is prolonged, and the structure of the top surface is arranged, so that slag can be discharged conveniently during the use process of the furnace mouth, and simultaneously, the steel slag in the furnace mouth can be cleaned conveniently, thereby preventing the steel slag from being accumulated excessively to influence the use of the furnace mouth;
2. the utility model discloses a setting of condenser tube and U-shaped pipe, condenser tube's snakelike structure sets up, make this fire door in the use, even the phenomenon that the water-cooling fire door appears cracking, also can make its crackle direction parallel with condenser tube's central line, thereby make this condenser tube be unlikely to be pulled and cracked, and lead to the phenomenon that condenser tube appears leaking, also can utilize condenser tube's snakelike structure simultaneously, make this condenser tube axial lead and fire door fatigue crack parallel, and then make this condenser tube can reach the effect that is not pulled apart by the fire door crackle in the use;
3. the utility model is provided with the furnace mouth half body, the screw rod, the nut, the sealing gasket, the connecting pipe, the U-shaped pipe and the cooling water pipe, the screw rod and the nut, can play a role of connecting the furnace mouth half bodies, so that a plurality of furnace mouth half bodies are connected and fixed, thereby the furnace mouth half bodies are combined into the furnace mouth body, the furnace mouth can work, and the sealing gasket is arranged, can play a role of sealing the furnace mouth, prevent external impurities from entering the interior of the furnace mouth half body and influencing the use of the furnace mouth, and prevent the arrangement of the connecting pipe, can play a role in connecting the U-shaped pipe and the cooling water pipe, so that the cooling water pipes in different furnace mouth half bodies are connected for use, and then be convenient for this holistic use of fire door, the setting of screw thread piece simultaneously for the U-shaped pipe can be connected with the connecting pipe, and then the use of the U-shaped pipe of being convenient for also is convenient for dismantle the clearance to the U-shaped pipe simultaneously.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention;
fig. 3 is a schematic view of the local connection structure of the present invention.
In the figure: 1. a furnace mouth body; 2. an inner ring surface; 3. a top surface; 4. a cooling water pipe; 5. a flange plate; 6. a furnace mouth half body; 7. a gasket; 8. a screw; 9. a nut; 10. a U-shaped tube; 11. a thread block; 12. and (4) connecting the pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a water-cooling furnace mouth for a converter comprises a furnace mouth body 1, a cooling water pipe 4 and a U-shaped pipe 10, wherein a furnace mouth half body 6 is arranged inside the furnace mouth body 1, the inner side of the furnace mouth body 1 is an inner ring surface 2, the inner ring surface 2 is of an inclined plane structure, the vertical position of the outer side edge of the inner ring surface 2 is higher than the vertical position of the inner side edge, and the inner ring surface 2 is of an inclined plane, so that the inner ring inside the furnace mouth can be hung with slag through the surface structure arrangement, and further the slag can be adsorbed on the surface of the inner ring, so that the slag can protect the inner ring inside the furnace mouth to protect the inner ring body, the furnace mouth body 1 is prevented from being exposed at high temperature, the early cracking of the inner ring inside the furnace mouth in the using process is avoided, the normal work of the furnace mouth is further influenced, and the service life of the inner ring inside the furnace mouth is prolonged, meanwhile, the service life of the furnace mouth is prolonged, the top surface 3 is arranged on the outer side of the furnace mouth body 1, the top surface 3 is of an inclined surface structure, the vertical position of the outer side edge of the top surface 3 is lower than that of the inner side edge, an arc-shaped structure is formed between the inner ring surface 2 and the top surface 3, the force applied to the furnace mouth in the vertical direction in the using process is greatly reduced through the arrangement of the outer side surface of the top surface 3, the moment applied to the furnace mouth is almost zero, the deformation degree of the furnace mouth in the using process is reduced, the service life of the furnace mouth is prolonged, and the structural arrangement of the top surface 3 enables the furnace mouth to be convenient for slag discharge in the using process and simultaneously is also convenient for cleaning steel slag in the furnace mouth, so that excessive steel slag is prevented from being accumulated and the use of the furnace mouth is influenced;
the right end of the cooling water pipe 4 is provided with a flange 5, the cooling water pipe 4 is positioned inside the furnace mouth half body 6, the outer surface of the cooling water pipe 4 is provided with a connecting pipe 12, the outer surface of the U-shaped pipe 10 is connected with a thread block 11, the U-shaped pipe 10 is arranged inside the connecting pipe 12, the cooling water pipes 4 are arranged in a serpentine structure, the cooling water pipes 4 are connected through the U-shaped pipe 10, the serpentine structure of the cooling water pipes 4 is arranged, so that when the furnace mouth is used, even if the water-cooling furnace mouth cracks, the crack direction can be parallel to the central line of the cooling water pipe 4, so that the cooling water pipe 4 is not pulled to be cracked, and the cooling water pipe 4 is prevented from leaking water, meanwhile, the serpentine structure of the cooling water pipe 4 can be utilized to lead the axial lead of the cooling water pipe 4 to be parallel to the fatigue crack of the furnace mouth, so that the cooling water pipe 4 can achieve the effect of being not broken by the cracks of the furnace mouth in the using process;
the U-shaped pipe 10 is connected with the cooling water pipe 4 through the connecting pipe 12, the U-shaped pipe 10 and the connecting pipe 12 form a thread structure, the connecting pipe 12 is arranged to connect the U-shaped pipe 10 and the cooling water pipe 4, so that the cooling water pipes 4 in different furnace mouth half bodies 6 are connected and used, and further the whole furnace mouth is convenient to use, meanwhile, the U-shaped pipe 10 can be connected with the connecting pipe 12 through the arrangement of the thread block 11, so that the U-shaped pipe 10 is convenient to use, and the U-shaped pipe 10 is convenient to disassemble and clean, the screw rod 8 is arranged outside the furnace mouth half body 6, the outer surface of the screw rod 8 is connected with the nut 9, the screw rod 8 is in threaded connection with the nut 9, the sealing gasket 7 is arranged on the outer surface of the nut 9, and the furnace mouth half bodies 6 form a round structure through the mutual matching of the screw rod 8 and the nut, and sealed 7 of filling up runs through in the inside of screw rod 8, and the setting of screw rod 8, nut 9 can play the effect of connecting to fire door halfbody 6 for a plurality of fire door halfbodies 6 are connected fixedly, and then make fire door halfbodies 6 make up into fire door body 1, and then make this fire door can carry out work, and sealed 7's setting can play sealed effect to it, avoids outside impurity to get into inside the fire door halfbody 6, influences the use of this fire door.
The working principle is as follows: when the water-cooled furnace mouth for the converter is used, firstly, the plurality of furnace mouth half bodies 6 are connected and fixed through the connection between the screw rods 8 and the nuts 9 to form a circular furnace mouth body 1, meanwhile, the sealing gaskets 7 are arranged between the screw rods 8 and the nuts 9 to ensure that the furnace mouth can keep the sealing property in the use process, then the cooling water pipe 4 is bent into a serpentine shape and then cast into the furnace mouth half bodies 6, and the other ends of the cooling water pipes 4 respectively extend out of the furnace mouth half bodies 6 corresponding to the furnace mouth half bodies so as to be convenient for leading cooling water into the furnace mouth half bodies to form a loop; meanwhile, one end of the connecting pipe 12 is connected with one end of the U-shaped pipe 10 through the thread block 11, so that two ends of the U-shaped pipe 10 are respectively connected with different connecting pipes 12, then the other end of each connecting pipe 12 is fixedly connected with the cooling water pipe 4, and further the U-shaped pipe 10 is connected with the cooling water pipes 4 inside different furnace mouth half bodies 6, so that the cooling water pipes 4 inside the furnace mouth half bodies 6 are connected into a whole, the furnace mouth is used, then the flange 5 at the end part of the furnace mouth half body 6 is respectively communicated with an external water inlet pipe and an external water outlet pipe, and the furnace mouth is used, and the working principle of the water-cooling furnace mouth for the converter is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a water-cooling fire door for converter, includes fire door body (1), cooling water pipe (4) and U-shaped pipe (10), its characterized in that: the furnace mouth structure is characterized in that a furnace mouth half body (6) is arranged inside the furnace mouth body (1), the inner side of the furnace mouth body (1) is an inner ring surface (2), the outer side of the furnace mouth body (1) is a top surface (3), a flange plate (5) is arranged at the right end of a cooling water pipe (4), the cooling water pipe (4) is located inside the furnace mouth half body (6), a connecting pipe (12) is installed on the outer surface of the cooling water pipe (4), a thread block (11) is connected to the outer surface of a U-shaped pipe (10), the U-shaped pipe (10) is located inside the connecting pipe (12), a screw rod (8) is installed outside the furnace mouth half body (6), a nut (9) is connected to the outer surface of the screw rod (8), the screw rod (8) is in threaded connection with the nut (9), and a sealing gasket (7) is installed on the outer surface.
2. The water-cooled converter mouth according to claim 1, wherein: the inner ring surface (2) is of a slope structure, and the vertical position of the outer side edge of the inner ring surface (2) is higher than that of the inner side edge.
3. The water-cooled converter mouth according to claim 1, wherein: the top surface (3) is set to be a slope structure, the vertical position of the outer side edge of the top surface (3) is lower than that of the inner side edge, and an arc structure is formed between the inner ring surface (2) and the top surface (3).
4. The water-cooled converter mouth according to claim 1, wherein: the cooling water pipes (4) are arranged to be of a snake-shaped structure, and the cooling water pipes (4) are connected through U-shaped pipes (10).
5. The water-cooled converter mouth according to claim 1, wherein: the furnace mouth half bodies (6) are matched with each other through the screw rods (8) and the nuts (9) to form a circular structure, and the sealing gaskets (7) penetrate through the screw rods (8).
6. The water-cooled converter mouth according to claim 1, wherein: the U-shaped pipe (10) is connected with the cooling water pipe (4) through a connecting pipe (12), and the U-shaped pipe (10) and the connecting pipe (12) form a threaded structure through a threaded block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822234979.5U CN209893950U (en) | 2018-12-28 | 2018-12-28 | Water-cooling furnace mouth for converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822234979.5U CN209893950U (en) | 2018-12-28 | 2018-12-28 | Water-cooling furnace mouth for converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209893950U true CN209893950U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822234979.5U Active CN209893950U (en) | 2018-12-28 | 2018-12-28 | Water-cooling furnace mouth for converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209893950U (en) |
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- 2018-12-28 CN CN201822234979.5U patent/CN209893950U/en active Active
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Effective date of registration: 20211208 Address after: No. 58, Fumin Branch Road, Hengsha Township, Chongming District, Shanghai, 201914 (Shanghai Hengtai Economic Development Zone) Patentee after: Tanyu Metallurgical Technology (Shanghai) Co.,Ltd. Address before: 062353 one kilometer south of Suning County, Cangzhou City, Hebei Province Patentee before: HEBEI TIANYU HIGH-TECH METALLURGICAL CASTING Co.,Ltd. |