CN218798960U - Steel ladle feeding device - Google Patents
Steel ladle feeding device Download PDFInfo
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- CN218798960U CN218798960U CN202223285088.5U CN202223285088U CN218798960U CN 218798960 U CN218798960 U CN 218798960U CN 202223285088 U CN202223285088 U CN 202223285088U CN 218798960 U CN218798960 U CN 218798960U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model relates to a ladle feeding device relates to converter steelmaking technical field, adds inconvenient problem in the time of for finely tuning the molten steel composition, and it includes the platform girder, platform girder top is provided with the ferroalloy feed bin, the discharge gate intercommunication of ferroalloy feed bin has reinforced elephant trunk device, reinforced elephant trunk device includes first unloading elephant trunk and second unloading elephant trunk, the one end intercommunication of first unloading elephant trunk is at the discharge gate of ferroalloy feed bin, the other end and the second unloading elephant trunk of first unloading elephant trunk are linked together, the discharge end of second unloading elephant trunk is provided with rotatory alloy elephant trunk device, the bottom of platform girder is provided with the ladle, the discharge end of rotatory alloy elephant trunk device sets up towards the opening direction of ladle, be provided with the manual work on the platform girder and throw the material device, be provided with the hand on the manual work and throw the material elephant trunk, the discharge end that the hand was thrown the material elephant trunk sets up towards opening direction. This application has the convenient effect of filler.
Description
Technical Field
The application relates to the technical field of converter steelmaking, in particular to a steel ladle feeding device.
Background
The basic tasks of converter steelmaking mainly include 'four-step separation' (carbon, oxygen, phosphorus and sulfur), 'two-step separation' (degassing and impurity removal) and 'two-step adjustment' (composition and temperature), wherein alloy is required to be added into a ladle below a converter during deoxidation alloying after the converter, so that the control of alloy addition is very important. Generally, when the ferroalloy is added in the steelmaking process, the ferroalloy is in a normal temperature cold state, when the ferroalloy at the normal temperature is added into molten steel with the temperature of more than 1600 ℃, a large amount of heat is absorbed, so that the temperature of the molten steel is reduced, in order to ensure the castability of the molten steel, a converter must increase the tapping temperature, and the increase of the tapping temperature brings many negative effects to the steelmaking cost. Therefore, preheating the alloy before adding the alloy into the ladle is an important measure for steelmaking production.
Traditional ferroalloy feeding device possesses the automatic material conveying function, can rotate to buggy ladle top and reinforced in to the buggy ladle, but when some special cases need finely tune the molten steel composition, can adopt manual certain or some several kinds of alloys that add, has the problem of inconvenient addition, so wait to improve.
SUMMERY OF THE UTILITY MODEL
In order to add inconvenient problem when finely tuning the molten steel composition, this application provides a ladle feeding device.
The application provides a ladle feeding device adopts following technical scheme:
the utility model provides a ladle feeding device, includes the platform girder, platform girder top is provided with the ferroalloy feed bin, the discharge gate intercommunication of ferroalloy feed bin has reinforced elephant trunk device, reinforced elephant trunk device includes first unloading elephant trunk and second unloading elephant trunk, the one end intercommunication of first unloading elephant trunk is at the discharge gate of ferroalloy feed bin, the other end and the second unloading elephant trunk of first unloading elephant trunk are linked together, the discharge end of second unloading elephant trunk is provided with rotatory alloy elephant trunk device, the bottom of platform girder is provided with the ladle, the discharge end of rotatory alloy elephant trunk device sets up towards the opening direction of ladle, be provided with the manual work on the platform girder and throw the material device, be provided with the hand on the manual work and throw the material elephant trunk, the discharge end that the hand was thrown the material elephant trunk sets up towards ladle opening direction.
Because the traditional ferroalloy feeding device has an automatic feeding function, the device can rotate to the upper part of the buggy ladle and feed materials into the buggy ladle, but when the molten steel component needs to be finely adjusted in some special cases, one or more alloys can be manually added, so that the problem of inconvenient addition exists; by adopting the technical scheme, the iron alloy bin is arranged on the platform girder, the discharge end of the iron alloy bin is communicated with the feeding chute device, the feeding chute device consists of a first feeding chute and a second feeding chute, the manual feeding device is arranged on the platform girder, and the manual feeding device is communicated with the manual feeding chute; when the molten steel components need to be finely adjusted, alloy materials are fed through an iron alloy bin, the alloy materials finally enter a steel ladle from a rotary alloy chute device, an operator manually puts some special alloy materials into a manual feeding device, and the special alloy materials enter the steel ladle from a manual feeding chute, so that the fine adjustment of the molten steel cost is realized; through the setting of artifical material device and the hand material elephant trunk of throwing, help realizing that feeding device trouble or need the manual work when adding alloy fine setting molten steel content reinforced, reinforced convenient and assurance device's steady operation.
Optionally, the iron alloy bin is a plurality of groups, and the plurality of groups of iron alloy bins are communicated with the first blanking chute.
By adopting the technical scheme, the iron alloy bins are divided into a plurality of groups; through the setting of multiunit ferroalloy feed bin, help realizing the common pay-off of multiple type alloy, the multiunit ferroalloy feed bin can suitably select the ferroalloy feed bin simultaneously and carry out reserve, when certain ferroalloy feed bin trouble appears, can in time use reserve ferroalloy feed bin to carry out the feed supplement, has guaranteed the steady operation of device.
Optionally, a vibrating feeder is arranged at the discharge end of the ferroalloy bin and communicated with the first blanking chute.
By adopting the technical scheme, the discharge end of the ferroalloy bin is communicated with the vibrating feeder; through the setting of vibrating feeder, help realizing the even feed of alloy material, the feed ability is big, reduces the possibility that the alloy material blockked up in the ferroalloy feed bin.
Optionally, a weighing hopper for automatic weighing is arranged between the vibrating feeder and the first blanking chute, one end of the weighing hopper is in flexible connection with the output end of the vibrating feeder, and the other end of the weighing hopper is communicated with the first blanking chute.
By adopting the technical scheme, a weighing hopper is arranged between the vibrating feeder and the first blanking chute; through the setting of weighing hopper, help carrying out the feed after according to the technological requirement weighing to the alloy material that needs in the ferroalloy feed bin, need not manual weighing, reduce workman's intensity of labour, realize automatic weighing, saved the cost of labor.
Optionally, an electro-hydraulic gate valve for controlling on-off is arranged at the bottom of the weighing hopper.
By adopting the technical scheme, the electro-hydraulic gate valve is arranged at the bottom of the weighing hopper; when alloy materials need to be added into the steel ladle, opening the electro-hydraulic gate valve, and enabling the alloy materials to enter the first blanking chute from the weighing hopper until the alloy materials are introduced into the steel ladle; the electro-hydraulic gate valve is beneficial to realizing the on-off of alloy material feeding, and the automation level of equipment is improved.
Optionally, an alloy baking device is arranged between the second blanking chute and the rotary alloy chute device, a feed inlet of the alloy baking device is communicated with the second blanking chute, and a discharge outlet of the alloy baking device is communicated with the rotary alloy chute device.
By adopting the technical scheme, the alloy baking device is arranged between the second lower chute and the rotary alloy chute device; through the setting of alloy baking equipment, when smelting special requirement steel grade, pass through alloy baking equipment with the alloy material in, toast to the regulation temperature after, in rotatory alloy elephant trunk device adds the ladle, help improving the tapping temperature, reduce the emergence of pouring the low temperature and cutting off the water when the continuous casting.
Optionally, a four-way chute is arranged between the first blanking chute and the second blanking chute, the inlet end of the four-way chute is communicated with the first blanking chute, the outlet end of the four-way chute is provided with an electro-hydraulic three-way valve, one end of the electro-hydraulic three-way valve is communicated with the second blanking chute, the other end of the electro-hydraulic three-way valve is provided with a bypass chute, and the discharge end of the bypass chute is communicated with the rotary alloy chute device.
By adopting the technical scheme, a four-way chute is arranged between the first blanking chute and the second blanking chute, an electro-hydraulic three-way valve is arranged on the four-way chute, one end of the electro-hydraulic three-way valve is communicated with the second blanking chute, and the other end of the electro-hydraulic three-way valve is communicated with the bypass chute; through the setting of cross elephant trunk, electro-hydraulic three-way valve and bypass elephant trunk, the demand of different steel grades when helping realizing smelting has improved the practicality of device.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the manual feeding device and the manual feeding chute, the manual feeding when the feeding device fails or alloy needs to be manually added to finely adjust the content of the molten steel is facilitated, the feeding is convenient, and the stable operation of the device is ensured;
2. the arrangement of the multiple groups of ferroalloy bins is beneficial to realizing the common feeding of multiple types of alloys, meanwhile, the multiple groups of ferroalloy bins can properly select the ferroalloy bins for standby, when a certain ferroalloy bin fails, the standby ferroalloy bins can be used for supplementing materials in time, and the stable operation of the device is ensured;
3. through the setting of alloy baking equipment, when smelting special requirement steel grade, pass through alloy baking equipment with the alloy material in, toast to the regulation temperature after, in rotatory alloy elephant trunk device adds the ladle, help improving the tapping temperature, reduce the emergence of pouring the low temperature and cutting off the water when the continuous casting.
Drawings
Fig. 1 is a schematic structural view of a ladle charging device in an embodiment of the present application.
Fig. 2 is a front view of a ladle charging device in an embodiment of the present application.
Description of reference numerals: 1. a platform girder; 2. an iron alloy bin; 3. a vibrating feeder; 4. a weighing hopper; 5. an electro-hydraulic gate valve; 6. a charging chute device; 7. a first blanking chute; 8. a four-way chute; 9. an electro-hydraulic three-way valve; 10. a second blanking chute; 11. an alloy baking device; 12. a bypass chute; 13. a manual feeding device; 14. a manual feeding chute; 15. rotating the alloy chute device; 16. and (5) steel ladles.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses ladle feeding device. Referring to fig. 1 and 2, ladle feeding device includes platform girder 1, multiunit ferroalloy feed bin 2 is installed at the top of platform girder 1, multiunit ferroalloy feed bin 2 symmetrical arrangement, ferroalloy feed bin 2 volume is 45m big year in this embodiment, 2 conical sections of ferroalloy feed bin lay the wear-resisting welt, ferroalloy feed bin 2 adopts the material to be ZGMn13-1, 2 thickness in ferroalloy feed bin are 20mm, ferroalloy feed bin 2 is total eight, four ferroalloy feed bin 2 are a set of, each other for reserve, when being used as the feeding trouble, change reserve ferroalloy feed bin 2 unloading, guarantee the steady operation of device.
Referring to fig. 1 and 2, a vibrating feeder 3 is installed at the discharge end of each iron alloy bin 2, in the embodiment, the vibrating feeder 3 is closed, the feeding capacity is 150t/h, and 8mm thick wear-resistant lining plates are additionally installed on two sides and the bottom of the vibrating feeder 3 to realize uniform feeding of alloy materials, and the feeding capacity is high.
Referring to fig. 1 and 2, vibrating feeder 3's discharge end intercommunication has scale hopper 4, scale hopper 4 is connected with vibrating feeder 3 through using flexible organ soft rubber, reduce because rubber drags and the symmetry causes the possibility of interference, scale hopper 4 below is linked together with reinforced elephant trunk device 6, scale hopper 4 volume is 4m for the weigh and the power of weighing in this embodiment, weighing range 0 r 6t, carry out the feed after the alloy material that needs in the ferroalloy feed bin 2 according to the technological requirement weighing, need not manual weighing, reduce workman's intensity of labour, realize automatic weighing, the cost of labor has been saved.
Referring to fig. 1 and 2, an electro-hydraulic gate valve 5 is arranged between a weighing hopper 4 and a feeding chute device 6, and the electro-hydraulic gate valve 5 is used for controlling the feeding of alloy materials, so that the automation level of the device is improved.
Referring to fig. 1 and 2, the feeding chute device 6 comprises a first blanking chute 7 and a second blanking chute 10, the electro-hydraulic gate valve 5 is assembled with the feeding end of the first blanking chute 7 through a square-to-round flexible connection, a nonmetal compensator is arranged between the square-to-round flexible connection and the electro-hydraulic gate valve 5 in the embodiment, and the phenomenon that the electro-hydraulic gate valve 5 is not sealed and generates ash leakage and material leakage due to vibration during operation is reduced.
Referring to fig. 1 and 2, the discharge end of the first blanking elephant trunk 7 is communicated with a four-way elephant trunk 8, the four-way elephant trunk 8 is fixedly connected with the first blanking elephant trunk 7 through a flange and sealed by asbestos ropes, the left side and the right side of the four-way elephant trunk 8 are respectively provided with a feed inlet, the angle of the feed inlets is 45 degrees, the feed inlets are respectively communicated with the first blanking elephant trunk 7 below the weighing hoppers 4 on the left side and the right side, the feed inlets above the four-way elephant trunk 8 are sealed, a suspension point is installed on the platform girder 1, and the four-way elephant trunk 8 is fixed through a steel wire rope.
Referring to fig. 1 and 2, the outlet end of a four-way pipe 8 is provided with an electro-hydraulic three-way valve 9 through square-to-round flexible connection, one outlet end of the electro-hydraulic three-way valve 9 is communicated with a second blanking pipe 10, the discharge end of the second blanking pipe 10 is communicated with an alloy baking device 11, and the alloy baking device 11 in the embodiment adopts a direct combustion type, is positioned beside a converter and is used for storing and baking prepared alloy materials in a short time; the discharge end of the alloy baking device 11 is communicated with a rotary alloy chute device 15, a steel ladle 16 is arranged at the bottom of the platform girder 1, the discharge end of the rotary alloy chute device 15 faces the opening direction of the steel ladle 16, so that when special steel requirements are smelted, alloy materials are put into the alloy baking device 11, and after the alloy materials are baked to a specified temperature, the alloy materials are added into the steel ladle 16 through the rotary alloy chute device 15, the tapping temperature is improved, and the occurrence of casting low-temperature broken casting during continuous casting is reduced.
Referring to fig. 1 and 2, in the embodiment, the rotating alloy chute device 15 is driven by a motor, a large gear of the alloy chute is driven by a small gear of the motor, the large gear is driven to rotate, the purpose of rotating the alloy chute device 15 is achieved, a discharging pipe of the rotating alloy chute device 15 is positioned at the upper right of a steel ladle 16 and can rotate by 125 degrees, alloy materials are guided into a feeding position when steel is discharged from the converter and fed, the alloy materials required for smelting are added into the steel ladle 16 through the rotating alloy chute device 15, and when the steel is discharged and is not fed or materials are required to be discharged, the chute of the rotating alloy chute device 15 is rotated to a standby position.
Referring to fig. 1 and 2, the other outlet end of the electro-hydraulic three-way valve 9 is communicated with a bypass chute 12, and the discharge end of the bypass chute 12 is communicated with a rotary alloy chute device 15, so that the requirements of different steel types during smelting are met, and the practicability of the device is improved.
Referring to fig. 1 and 2, the manual feeding device 13 is installed on the platform girder 1, the discharge end of the manual feeding device 13 is communicated with the manual feeding chute 14, the discharge end of the manual feeding chute 14 is arranged towards the opening direction of the steel ladle 16, the manual feeding device 13 and the rotary alloy chute device 15 in the embodiment have the same structure, the manual feeding when the feeding device breaks down or alloy is required to be manually added to finely adjust the molten steel content is realized, the feeding is convenient, and the stable operation of the device is ensured.
Referring to fig. 1 and 2, in the embodiment, the first blanking chute 7, the second blanking chute 10, the bypass chute 12 and the manual feeding chute 14 are made of rare earth alloy wear-resistant pipes with the diameter of 410mm and the thickness of 14mm, a layer of carbon steel pipeline with the thickness of 8mm is embedded in an outer ring, the carbon steel pipeline is designed in a sectional mode, two ends of the carbon steel pipeline are connected through flanges, flanges of all sections of the chutes are sealed through asbestos ropes, the wear resistance and the stability of the pipeline are enhanced, and spare parts can be replaced conveniently at positions where blanking impact points frequently occur.
The implementation principle of the ladle charging device in the embodiment of the application is as follows: when the composition of molten steel needs to be finely adjusted, alloy materials are fed through an iron alloy bin 2, the alloy materials are fed into a weighing hopper 4 by a vibrating feeder 3, after the weighing hopper 4 is automatically weighed, an electro-hydraulic gate valve 5 is opened, the alloy materials enter a four-way chute 8 through a first feeding chute 7, an electro-hydraulic three-way valve 9 is opened, the alloy materials enter an alloy baking device 11 through a second feeding chute 10 to be baked, then are fed into a rotary alloy chute device 15 and finally are input into a steel ladle 16, at the moment, an operator manually puts some special alloy materials into a manual feeding device 13, and the special alloy materials enter the steel ladle 16 through a manual feeding chute 14, so that the fine adjustment of the cost of the molten steel is realized; through the manual feeding device 13 and the manual feeding chute 14, the manual feeding device is beneficial to realizing the manual feeding when the feeding device fails or alloy needs to be manually added to finely adjust the content of molten steel, the feeding is convenient, and the stable operation of the device is ensured.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A ladle charging device is characterized in that: the automatic feeding device comprises a platform girder (1), wherein an iron alloy bin (2) is arranged at the top of the platform girder (1), a discharging hole of the iron alloy bin (2) is communicated with a feeding chute device (6), the feeding chute device (6) comprises a first feeding chute (7) and a second feeding chute (10), one end of the first feeding chute (7) is communicated with the discharging hole of the iron alloy bin (2), the other end of the first feeding chute (7) is communicated with the second feeding chute (10), a discharging end of the second feeding chute (10) is provided with a rotary alloy chute device (15), a steel ladle (16) is arranged at the bottom of the platform girder (1), a discharging end of the rotary alloy chute device (15) is arranged towards the opening direction of the steel ladle (16), an artificial feeding device (13) is arranged on the platform girder (1), a manual feeding chute (14) is arranged on the artificial feeding device (13), and a discharging end of the manual feeding chute (14) is arranged towards the opening direction of the steel ladle (16).
2. The ladle charging device according to claim 1, wherein: the iron alloy bin (2) is a plurality of groups, and the iron alloy bins (2) are communicated with the first blanking chute (7).
3. The ladle charging device according to claim 1, wherein: the discharge end of the ferroalloy bin (2) is provided with a vibrating feeder (3), and the vibrating feeder (3) is communicated with the first blanking chute (7).
4. A ladle charging device as claimed in claim 3, wherein: a weighing hopper (4) used for automatic weighing is arranged between the vibrating feeder (3) and the first blanking elephant trunk (7), one end of the weighing hopper (4) is in flexible connection with the output end of the vibrating feeder (3), and the other end of the weighing hopper (4) is communicated with the first blanking elephant trunk (7).
5. The ladle charging device according to claim 4, wherein: an electro-hydraulic gate valve (5) for controlling on-off is arranged at the bottom of the weighing hopper (4).
6. The ladle charging device according to claim 1, wherein: an alloy baking device (11) is arranged between the second blanking slide pipe (10) and the rotary alloy slide pipe device (15), a feed inlet of the alloy baking device (11) is communicated with the second blanking slide pipe (10), and a discharge outlet of the alloy baking device (11) is communicated on the rotary alloy slide pipe device (15).
7. The ladle charging device according to claim 6, wherein: be provided with cross elephant trunk (8) between first unloading elephant trunk (7) and second unloading elephant trunk (10), the entry end and first unloading elephant trunk (7) of cross elephant trunk (8) are linked together, the exit end of cross elephant trunk (8) is provided with electro-hydraulic three-way valve (9), the one end intercommunication of electro-hydraulic three-way valve (9) is on second unloading elephant trunk (10), the other end of electro-hydraulic three-way valve (9) is provided with bypass elephant trunk (12), the discharge end intercommunication of bypass elephant trunk (12) is on rotary alloy elephant trunk device (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223285088.5U CN218798960U (en) | 2022-12-08 | 2022-12-08 | Steel ladle feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223285088.5U CN218798960U (en) | 2022-12-08 | 2022-12-08 | Steel ladle feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218798960U true CN218798960U (en) | 2023-04-07 |
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ID=87270363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223285088.5U Active CN218798960U (en) | 2022-12-08 | 2022-12-08 | Steel ladle feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218798960U (en) |
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2022
- 2022-12-08 CN CN202223285088.5U patent/CN218798960U/en active Active
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