CN218620920U - Molten steel refining device - Google Patents
Molten steel refining device Download PDFInfo
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- CN218620920U CN218620920U CN202223059534.0U CN202223059534U CN218620920U CN 218620920 U CN218620920 U CN 218620920U CN 202223059534 U CN202223059534 U CN 202223059534U CN 218620920 U CN218620920 U CN 218620920U
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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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- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model provides a molten steel refining device, including concise storehouse, concise storehouse separates into first concise district and second concise district through a baffle, first concise district with the concise district of second sets up from top to bottom, concise storehouse upper surface left end is provided with and is used for unloading the powder to the unloading spare in the first concise district, concise storehouse upper surface right-hand member is provided with and is used for carrying the molten steel to the lower hopper in first concise district, be provided with first stirring piece in the first concise district, first concise district and second concise district set up through a connecting pipe connection, second concise district upper surface is provided with and is used for adding the gas and realize the piece of aerifing of molten steel decarbonization, be provided with second stirring piece in the second concise district, second concise district lower surface has seted up the discharge gate, discharge gate department is provided with and is used for opening and shutting the piece of discharge gate; the utility model discloses simple structure, the simple operation can realize carrying out edulcoration refining to the molten steel.
Description
Technical Field
The utility model relates to a molten steel refining technology field, especially a molten steel refining device.
Background
With the increasing use environment of steel products, the demand for steel product characteristics has been increasing year by year. Further, steel materials are required to be inexpensive because they are widely used in society. Therefore, in order to manufacture steel having desired characteristics, it is required that most of impurity elements such as phosphorus, sulfur, carbon or hydrogen are minimized in the steel refining process, and that low-priced steel making is also important. Under such circumstances, it is important to clarify the physicochemical principle and principle of the refining reaction and to develop a high-efficiency refining method and refining apparatus conforming to the principle.
In the past, impurities were removed in a state where they were removed as easily as possible in steel making, and for this reason, a step refining method of refining in several steps was concentrated and widely adopted. For example, a method of molten iron treatment in which dephosphorization and decarburization are performed only in a converter and divided into dephosphorization in a molten iron stage and decarburization in the converter has been widely used.
Therefore, in the refining process of the molten steel, the impurity removal is to reduce the phosphorus content of the ferromanganese melt, and an external refining process is adopted. In the process of refining, a refining agent is added to desulfurize and dephosphorize molten steel, and then a converter is required to decarbonize the molten steel, and in the process of the converter, new impurities can enter the molten steel, so that the quality of the molten steel is influenced, and the working efficiency is low.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a molten steel refining apparatus capable of performing impurity removal refining on molten steel.
The utility model discloses a following method realizes: the molten steel refining device comprises a refining bin, wherein the refining bin is divided into a first refining area and a second refining area through a partition plate, the first refining area and the second refining area are vertically arranged, a blanking piece used for blanking powder into the first refining area is arranged at the left end of the upper surface of the refining bin, a blanking hopper used for conveying molten steel into the first refining area is arranged at the right end of the upper surface of the refining bin, a first stirring piece is arranged in the first refining area, the first refining area and the second refining area are connected through a connecting pipe, an air adding piece used for adding air to achieve molten steel decarburization is arranged on the upper surface of the second refining area, a second stirring piece is arranged in the second refining area, a discharge hole is formed in the lower surface of the second refining area, and an opening and closing piece used for opening and closing the discharge hole is arranged at the discharge hole.
Furthermore, the blanking part comprises a supporting plate, the supporting plate is arranged at the left end of the upper surface of the refining bin, storage bins are arranged at the left end and the right end of the supporting plate, a blanking pipe is arranged on the lower surface of each storage bin, a discharge port of the blanking pipe penetrates through the supporting plate and extends into the first refining area, and a first electromagnetic valve is arranged at a feed port of the blanking pipe.
Further, first stirring piece includes first motor, first motor inlays and establishes bottom surface middle part in the first refining district, the output of first motor is connected with first pivot, the end of first pivot is rotated through first bearing and is fixed upper surface in the first refining district, equidistant first stirring leaf that is provided with on the first pivot.
Further, the gas filling piece includes first semicircle outlet duct and second semicircle outlet duct, first semicircle outlet duct set up in the refined district of second internal left end of apical surface, second semicircle outlet duct set up in the refined district of second internal right-hand member, first semicircle outlet duct lower surface equidistance is provided with and is used for carrying the argon gas extremely first shower nozzle of giving vent to anger in the refined district of second, second semicircle outlet duct lower surface equidistance is provided with and is used for carrying oxygen extremely the refined district of second in the district of second gives vent to anger the shower nozzle, be connected with first intake pipe on the first semicircle outlet duct, be connected with the second intake pipe on the second semicircle outlet duct.
Furthermore, the second stirring piece includes the second motor, the second motor set up in concise storehouse left surface lower extreme, the output of second motor is connected with the second pivot, the second pivot passes through the second bearing concise storehouse extends to in the concise district of second, equidistant second stirring leaf that is provided with in the second pivot.
Further, the piece of opening and shutting includes multisection telescopic cylinder, refined storehouse right flank lower extreme inlays and is equipped with multisection telescopic cylinder, multisection telescopic cylinder's telescopic link end is provided with and is used for opening and shutting the openable plate of discharge gate.
Furthermore, a second electromagnetic valve is arranged in the connecting pipe.
The beneficial effects of the utility model reside in that: the utility model discloses first refining district and second refining district have been added to the device for can carry out the primary refining to the molten steel through first refining district, carry out desulfurization and dephosphorization operation to the molten steel, realize the primary edulcoration of molten steel, can carry out the secondary refining to the molten steel through second refining district, carry out the decarbonization operation to the molten steel, thereby realize the secondary edulcoration of molten steel, accomplish the refining operation of molten steel, improve the quality of molten steel, do not need the converter to carry out the decarbonization; the utility model discloses simple structure, the material resources of can effectually using manpower sparingly improve work efficiency in the simple operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the blanking member.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 and 2, the present invention provides an embodiment: a molten steel refining device comprises a refining bin 1, wherein the refining bin 1 is divided into a first refining area 11 and a second refining area 12 through a partition plate 2, the first refining area 11 and the second refining area 12 are vertically arranged, a blanking piece 3 used for blanking powder into the first refining area 11 is arranged at the left end of the upper surface of the refining bin 1, a blanking hopper 13 used for conveying molten steel into the first refining area 11 is arranged at the right end of the upper surface of the refining bin 1, a first stirring piece 4 is arranged in the first refining area 11, the first refining area 11 and the second refining area 12 are connected through a connecting pipe 14, an air adding piece 5 used for adding gas to achieve molten steel decarburization is arranged on the upper surface of the second refining area 12, a second stirring piece 6 is arranged in the second refining area 12, a discharge hole (not shown) is formed in the lower surface of the second refining area 12, and an opening piece 7 used for opening and closing the discharge hole is arranged at the discharge hole. Molten steel is conveyed into the first refining area 11 through the blanking hopper 13, a desulfurizing agent and a dephosphorizing agent are conveyed into the first refining area 11 through the blanking part 3, stirring and mixing are carried out through the first stirring part 4, the desulfurizing and dephosphorizing operation of the molten steel is achieved, after the first refining, the molten steel is conveyed into the second refining area 12, the decarbonizing effect of the molten steel is achieved through the air adding part 5, the second refining is achieved, impurity removal of the molten steel is achieved, and finally the molten steel is output through the discharge hole.
As shown in fig. 1 and fig. 2, in an embodiment of the present invention, the blanking member 3 includes a supporting plate 31, the supporting plate 31 is disposed at the left end of the upper surface of the refining bin 1, the left end and the right end of the supporting plate 31 are both provided with storage bins 32, the lower surface of the storage bins 32 is provided with a blanking pipe 33, a discharge hole of the blanking pipe 33 passes through the supporting plate 31 and extends into the first refining area 11, and a feeding hole of the blanking pipe 33 is provided with a first electromagnetic valve 34. So that the desulfurizer and the dephosphorizing agent are stored through the storage bin 32, and then the molten steel is refined in the first refining area 11 through the feeding pipe 33, and the desulfurization and dephosphorization operations of the molten steel are realized.
Referring to fig. 1, in an embodiment of the present invention, the first stirring element 4 includes a first motor 41, the first motor 41 is embedded in the middle of the inner bottom surface of the first refining zone 11, an output end of the first motor 41 is connected to a first rotating shaft 42, a terminal of the first rotating shaft 42 is rotatably fixed on an inner upper surface of the first refining zone 11 through a first bearing, and first stirring blades 43 are equidistantly disposed on the first rotating shaft 42. So that the first rotating shaft 42 can be driven to rotate by the first motor 41, thereby realizing the rotation stirring of the first stirring blade 43.
As shown in fig. 1, in an embodiment of the present invention, the gas filling member 5 includes a first semicircular gas outlet pipe 51 and a second semicircular gas outlet pipe (not shown), the first semicircular gas outlet pipe (not shown) is disposed at a left end of the top surface of the second refining area 12, the second semicircular gas outlet pipe is disposed at a right end of the top surface of the second refining area 12, a first gas outlet nozzle 53 for conveying argon gas into the second refining area 12 is disposed at an equal distance on a lower surface of the first semicircular gas outlet pipe, a second gas outlet nozzle 54 for conveying oxygen gas into the second refining area 12 is disposed at an equal distance on a lower surface of the second semicircular gas outlet pipe, a first gas inlet pipe 55 is connected to the first semicircular gas outlet pipe, and a second gas inlet pipe 56 is connected to the second semicircular gas outlet pipe 52. Argon is conveyed into the first semicircular gas outlet pipe 51 through the first gas inlet pipe 55, then the argon is sprayed into the second refining area 12 through the first gas outlet nozzle 53 to realize a vacuum environment, oxygen is conveyed into the second refining area 12 through the second gas outlet nozzle 54, and decarburization is carried out on molten steel through reaction with the molten steel.
Referring to fig. 1, in an embodiment of the present invention, the second stirring member 6 includes a second motor 61, the second motor 61 is disposed at a lower end of a left side surface of the refining bin 1, an output end of the second motor 61 is connected to a second rotating shaft 62, the second rotating shaft 62 passes through the refining bin 1 via a second bearing and extends into the second refining area 12, and second stirring blades 63 are disposed on the second rotating shaft 62 at equal intervals. So that can drive second pivot 62 through second motor 61 and rotate to realize that second stirring leaf 63 rotates the stirring, can realize the vacuum of second refining district 12 internal environment through argon gas, then react through the carbon in oxygen and the molten steel, form carbon monoxide, realize the decarbonization of molten steel.
As shown in fig. 1, in an embodiment of the present invention, the opening and closing member 7 includes a multi-section telescopic cylinder 71, the lower end of the right side of the refining bin 1 is embedded with the multi-section telescopic cylinder 71, and the telescopic rod end of the multi-section telescopic cylinder 71 is provided with an openable plate 72 for opening and closing the discharge hole. The multi-section telescopic cylinder 71 can drive the openable plate 72 to move left and right, so that the opening and closing of the discharge port are realized.
Referring to fig. 1, in an embodiment of the present invention, a second electromagnetic valve 15 is disposed in the connecting pipe 14. So that the connection pipe 14 can be opened and closed by the action of the second solenoid valve 15.
The utility model discloses well solenoid valve, multisection telescopic cylinder and motor are prior art, and the skilled person in the art has clearly been known, does not describe here in detail.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (7)
1. A molten steel refining device is characterized in that: the refining bin is divided into a first refining area and a second refining area through a partition board, the first refining area and the second refining area are arranged up and down, the left end of the upper surface of the refining bin is provided with a blanking piece used for blanking powder into the first refining area, the right end of the upper surface of the refining bin is provided with a blanking hopper used for conveying molten steel into the first refining area, a first stirring piece is arranged in the first refining area, the first refining area and the second refining area are connected through a connecting pipe, the upper surface of the second refining area is provided with an air adding piece used for adding air to achieve molten steel decarburization, a second stirring piece is arranged in the second refining area, the lower surface of the second refining area is provided with a discharge port, and the discharge port is provided with an opening piece used for opening and closing the discharge port.
2. A molten steel refining apparatus according to claim 1, characterized in that: the feeding part comprises a supporting plate, the supporting plate is arranged at the left end of the upper surface of the refining bin, storage bins are arranged at the left end and the right end of the supporting plate, a feeding pipe is arranged at the lower surface of each storage bin, a discharging port of the feeding pipe penetrates through the supporting plate and extends into the first refining area, and a first electromagnetic valve is arranged at a feeding port of the feeding pipe.
3. A molten steel refining apparatus according to claim 1, wherein: first stirring piece includes first motor, first motor inlays to be established bottom surface middle part in the first refining district, the output of first motor is connected with first pivot, the end of first pivot is rotated through first bearing and is fixed upper surface in the first refining district, the equidistance is provided with first stirring leaf on the first pivot.
4. A molten steel refining apparatus according to claim 1, characterized in that: the gas filling piece comprises a first semicircular gas outlet pipe and a second semicircular gas outlet pipe, the first semicircular gas outlet pipe is arranged at the left end in the top surface in the second refining area, the second semicircular gas outlet pipe is arranged at the right end in the top surface in the second refining area, the lower surface of the first semicircular gas outlet pipe is equidistantly provided with a first gas outlet nozzle used for conveying argon to the second refining area, the lower surface of the second semicircular gas outlet pipe is equidistantly provided with a second gas outlet nozzle used for conveying oxygen to the second refining area, the first semicircular gas outlet pipe is connected with a first gas inlet pipe, and the second semicircular gas outlet pipe is connected with a second gas inlet pipe.
5. A molten steel refining apparatus according to claim 1, characterized in that: the second stirring piece includes the second motor, the second motor set up in concise storehouse left surface lower extreme, the output of second motor is connected with the second pivot, the second pivot passes through the second bearing concise storehouse extends to in the concise district of second, the equidistance is provided with second stirring leaf in the second pivot.
6. A molten steel refining apparatus according to claim 1, characterized in that: the opening and closing piece comprises a plurality of sections of telescopic cylinders, the lower end of the right side face of the refining bin is embedded with the plurality of sections of telescopic cylinders, and the tail ends of telescopic rods of the plurality of sections of telescopic cylinders are provided with openable plates used for opening and closing the discharge port.
7. A molten steel refining apparatus according to claim 1, characterized in that: and a second electromagnetic valve is arranged in the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223059534.0U CN218620920U (en) | 2022-11-17 | 2022-11-17 | Molten steel refining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223059534.0U CN218620920U (en) | 2022-11-17 | 2022-11-17 | Molten steel refining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218620920U true CN218620920U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223059534.0U Active CN218620920U (en) | 2022-11-17 | 2022-11-17 | Molten steel refining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218620920U (en) |
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2022
- 2022-11-17 CN CN202223059534.0U patent/CN218620920U/en active Active
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