CN217709558U - Simulation experiment device based on RH vacuum refining - Google Patents
Simulation experiment device based on RH vacuum refining Download PDFInfo
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- CN217709558U CN217709558U CN202221597378.0U CN202221597378U CN217709558U CN 217709558 U CN217709558 U CN 217709558U CN 202221597378 U CN202221597378 U CN 202221597378U CN 217709558 U CN217709558 U CN 217709558U
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Abstract
The utility model relates to a smelting test equipment technical field discloses a simulation experiment device based on RH vacuum refining, include: the vacuum groove comprises a vacuum groove bracket, wherein an RH vacuum groove is arranged at the upper end of the inner side of the vacuum groove bracket, the middle part of the upper end of the RH vacuum groove is connected with a vacuum exhaust pipe, one side of the lower end of the RH vacuum groove is connected with an ascending pipe, the middle part of the ascending pipe is provided with an argon blowing hole, and the other side of the lower end of the RH vacuum groove is connected with a descending pipe; the ladle is arranged below the RH vacuum groove, a support frame is fixed below the ladle, and an inclined ladle bottom is fixed at the bottom end of the ladle. The simulation experiment device based on RH vacuum refining is provided with an RH vacuum tank and a ladle, and is used for carrying out experiments and detection on RH vacuum chamber and ladle internal circulation molten steel through adjusting the structures of an argon blowing hole, a live cut-off valve, an air brick and the like of experiment variables, and providing data support for optimization of an RH vacuum refining technology and a ladle bottom blowing control technology.
Description
Technical Field
The utility model relates to a smelt experimental facilities technical field, specifically be a simulation experiment device based on RH vacuum refining.
Background
In recent years, the development of the RH vacuum refining technology is progressing at a high rate due to the development of steel grades, the improvement of steel quality, and the optimization and progress demands of refining processes. The RH vacuum refining is an important process in the refining process, has the functional characteristics of vacuum degassing and inclusion removal of vacuum refined molten steel, is beneficial to refining high-quality molten steel and improving cleanliness, and is an important technical means for reducing the gas content of the molten steel, improving the quality of the molten steel and reducing the production cost.
Molten steel in an RH vacuum groove and a steel ladle in the actual production process is an extremely high temperature reaction process, technicians cannot visually study the actual production process and cannot optimize argon blowing strength, bottom blowing air brick hole positions and the like, and therefore a simulation experiment device based on RH vacuum refining is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simulation experiment device based on RH vacuum refining to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a simulation experiment device based on RH vacuum refining comprises:
the vacuum groove comprises a vacuum groove bracket, wherein an RH vacuum groove is arranged at the upper end of the inner side of the vacuum groove bracket, the middle part of the upper end of the RH vacuum groove is connected with a vacuum exhaust pipe, one side of the lower end of the RH vacuum groove is connected with an ascending pipe, the middle part of the ascending pipe is provided with an argon blowing hole, and the other side of the lower end of the RH vacuum groove is connected with a descending pipe;
the ladle is arranged below the RH vacuum groove, a support frame is fixed below the ladle, an inclined ladle bottom is fixed at the bottom end of the ladle, a water gap is connected to the lower end of one side of the inclined ladle bottom, a movable cut-off valve is assembled in the middle of the water gap, and air bricks are embedded in the middle of the inclined ladle bottom.
Preferably, the RH vacuum tank and the vacuum exhaust pipe are in communication connection, and the ascending pipe and the RH vacuum tank and the descending pipe are in communication connection through the argon blowing hole.
Preferably, the RH vacuum groove is communicated and connected with the ladle through a descending pipe, the water gap is communicated and connected with the ladle through a movable cut-off valve and an inclined ladle bottom, and a detachable structure is formed between the air brick and the ladle.
Preferably, the vacuum tank bracket is further provided with:
the motor, it is installed through the bolt the top of vacuum tank support, the motor is close to output shaft one end outer wall welding and has the spacing, motor output shaft fixedly connected with gear, and the gear settles through the bearing the inboard of spacing, one side meshing of gear has the screw rod, the lower extreme of screw rod is fixed with the lantern ring, and the lantern ring cover is established the middle part outer wall in RH vacuum tank.
Preferably, the screw rod forms a rack transmission structure through a gear and an output shaft of the motor, the screw rod is symmetrically arranged about a central axis of the lantern ring, and the RH vacuum groove forms telescopic connection with the vacuum groove support through the lantern ring and the screw rod.
Preferably, the vacuum tank bracket is further provided with:
climb the frame, its welding is in one side outer wall that RH vacuum tank was kept away from to the vacuum tank support, the inboard welding of climbing the frame has rings.
Preferably, the structure of climbing the frame is C font structure, and climbs frame and rings and be equidistance evenly distributed along one side outer wall of vacuum tank support.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the simulation experiment device based on RH vacuum refining is provided with an RH vacuum tank and a ladle, and is used for carrying out experiment and detection on RH vacuum chambers and ladle internal circulation molten steel through adjusting the structures such as an argon blowing hole, a movable cut-off valve, a gas permeable brick and the like of experiment variables, so as to provide data support for optimization of an RH vacuum refining technology and a ladle bottom blowing control technology.
2. The screw rod and the lantern ring that set up are used for driving through motor output shaft and gear, drive RH vacuum tank at the vacuum tank support inboard and carry out the ascending position control of vertical side, establish the foundation structure of RH vacuum tank water model experiment.
3. The frame and rings of climbing that set up are convenient for the experimenter to climb vacuum tank support and are overhauld motor or spacing frame and maintain, prevent that this experimental apparatus from experimenting for a long time after structural morphology from changing, influence the stability and the security of experiment.
Drawings
FIG. 1 is a schematic view of the assembled state of the present invention;
FIG. 2 is a schematic side view of the RH vacuum chamber of the present invention;
FIG. 3 is a schematic view of a partial front plan structure of a ladle according to the present invention;
fig. 4 is an enlarged schematic view of the climbing frame and the hanging ring of the present invention.
In the figure: 1. a vacuum tank support; 2. an RH vacuum tank; 3. a vacuum exhaust tube; 4. a riser pipe; 5. blowing an argon hole; 6. a down pipe; 7. a ladle; 8. a water gap; 9. obliquely wrapping the bottom; 10. a live shut-off valve; 11. air brick; 12. a support frame; 13. a collar; 14. a screw; 15. a motor; 16. a limiting frame; 17. a gear; 18. climbing a frame; 19. a lifting ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
The utility model provides a simulation experiment device based on RH vacuum refining through the improvement here, please refer to fig. 1-2, include: the vacuum groove comprises a vacuum groove support 1, an RH vacuum groove 2 is arranged at the upper end of the inner side of the vacuum groove support 1, a vacuum exhaust pipe 3 is connected to the middle of the upper end of the RH vacuum groove 2, the RH vacuum groove 2 is communicated and connected with the vacuum exhaust pipe 3, an ascending pipe 4 is connected to one side of the lower end of the RH vacuum groove 2, an argon blowing hole 5 is formed in the middle of the ascending pipe 4, a descending pipe 6 is connected to the other side of the lower end of the RH vacuum groove 2, the ascending pipe 4 is communicated and connected with the RH vacuum groove 2 and the descending pipe 6 through the argon blowing hole 5, the set RH vacuum groove 2 is made of organic glass according to the internal size of the 150tRH vacuum groove 2 by adopting a ratio of 1; the motor 15 is installed through the bolt on the top of vacuum tank support 1, motor 15 has spacing 16 near the outer wall welding of output shaft one end, spacing 16 is used for preventing that screw rod 14 from rocking the stability degree that influences RH vacuum tank 2 when removing in gear 17 one side, motor 15 output shaft fixedly connected with gear 17, and gear 17 settles the inboard at spacing 16 through the bearing, gear 17's one side meshing has screw rod 14, screw rod 14 passes through and constitutes the ratch transmission structure between gear 17 and motor 15's the output shaft, the lower extreme of screw rod 14 is fixed with lantern ring 13, and screw rod 14 sets up about lantern ring 13's axis position symmetry, lantern ring 13 cover is established at the middle part outer wall of RH vacuum tank 2, be used for fixing RH vacuum tank 2, make RH vacuum tank 2 can follow lantern ring 13 and carry out position control, and RH vacuum tank 2 passes through lantern ring 13 and constitutes telescopic connection between screw rod 14 and the vacuum tank support 1, screw rod 14 and lantern ring 13 that set up are used for through the drive of motor 15 output shaft and gear 17, it carries out position control in the vertical direction to drive RH vacuum tank 2 inboard in vacuum tank support 1, the foundation structure of RH water model experiment is established.
Referring to fig. 1 and 3, a simulation experiment apparatus based on RH vacuum refining includes: the ladle 7 is arranged below the RH vacuum tank 2, the RH vacuum tank 2 is communicated and connected with the ladle 7 through a descending pipe 6, a support frame 12 is fixed below the ladle 7, an inclined ladle bottom 9 is fixed at the bottom end of the ladle 7, a water gap 8 is connected to the lower end of one side of the inclined ladle bottom 9, a movable cut-off valve 10 is assembled in the middle of the water gap 8, the water gap 8 is communicated and connected with the ladle 7 through the movable cut-off valve 10 and the inclined ladle bottom 9, the arranged ladle 7 enables the water gap 8 to be at a lower position through the inclined ladle bottom 9, molten steel can flow out to the maximum extent, and contrast experiments under different flow rates can be carried out by adjusting the movable cut-off valve 10; the middle part of the inclined ladle bottom 9 is embedded with the air brick 11, a detachable structure is formed between the air brick 11 and the ladle 7, and the detachable and movable air brick 11 is used for meeting the experimental requirements of different strengths of bottom blowing holes at different positions of RH vacuum refining.
Referring to fig. 4, a simulation experiment apparatus based on RH vacuum refining includes: climbing frame 18, its welding is kept away from one side outer wall of RH vacuum tank 2 at vacuum tank support 1, the structure of climbing frame 18 is C font structure, the inboard welding of climbing frame 18 has rings 19, rings 19 are used for hanging and detain safety belt or other protection devices, and climbing frame 18 and rings 19 are equidistance evenly distributed along one side outer wall of vacuum tank support 1, the frame 18 and rings 19 that climb that set up are convenient for the experimenter to climb vacuum tank support 1 and are overhauld motor 15 or spacing 16 and maintain, prevent that this experimental apparatus structural configuration from changing after experiment for a long time, influence the stability and the security of experiment.
The working principle is as follows: for the simulation experiment device based on RH vacuum refining, firstly, an experimenter uses organic glass to make a model with a ratio of 1: the experiment is repeated, satisfy the ladle 7 water simulation experiment of the different end blown air brick 11 positions, and then satisfy the ladle 7 end blown different position end blown hole different strength's experimental requirement, and through the control of live trip valve 10 to mouth of a river 8 flow and velocity of flow, total flow control and monitoring can be realized, install motor 15 through the bolt in the vacuum tank support 1 upper end of final RH vacuum tank 2 both sides, motor 15 drives gear 17 through the output shaft and rotates in spacing 16 inboards, thereby it rises or descends to drive the fixed screw rod 14 in lantern ring 13 both sides, make lantern ring 13 drive RH vacuum tank 2 rise or descend, be convenient for establish the simulation experiment device of RH vacuum tank 2 water model, and vacuum tank support 1 both sides outer wall is fixed with and climbs frame 18 and rings 19, be convenient for the experimenter climbs and carries out the maintenance and the maintenance of experimental apparatus.
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 (7)
1. A simulation experiment device based on RH vacuum refining is characterized by comprising:
the device comprises a vacuum tank support (1), wherein an RH vacuum tank (2) is arranged at the upper end of the inner side of the vacuum tank support (1), the middle part of the upper end of the RH vacuum tank (2) is connected with a vacuum extraction pipe (3), one side of the lower end of the RH vacuum tank (2) is connected with an ascending pipe (4), the middle part of the ascending pipe (4) is provided with an argon blowing hole (5), and the other side of the lower end of the RH vacuum tank (2) is connected with a descending pipe (6);
the ladle (7) is arranged below the RH vacuum groove (2), a support frame (12) is fixed below the ladle (7), an inclined ladle bottom (9) is fixed at the bottom end of the ladle (7), a water gap (8) is connected to the lower end of one side of the inclined ladle bottom (9), a movable cut-off valve (10) is assembled in the middle of the water gap (8), and an air brick (11) is embedded in the middle of the inclined ladle bottom (9).
2. The RH vacuum refining-based simulation experiment device according to claim 1, wherein: the RH vacuum groove (2) is communicated with the vacuum exhaust pipe (3), and the ascending pipe (4) is communicated with the descending pipe (6) through the argon blowing hole (5) and the RH vacuum groove (2).
3. The RH vacuum refining-based simulation experiment device according to claim 1, wherein: the RH vacuum groove (2) is communicated and connected with a ladle (7) through a descending pipe (6), the water gap (8) is communicated and connected with the ladle (7) through a movable cut-off valve (10) and an inclined ladle bottom (9), and a detachable structure is formed between an air brick (11) and the ladle (7).
4. The RH vacuum refining-based simulation experiment device according to claim 1, wherein: the vacuum tank support (1) is further provided with:
motor (15), it installs through the bolt the top of vacuum tank support (1), motor (15) are close to output shaft one end outer wall welding and have spacing (16), motor (15) output shaft fixedly connected with gear (17), and gear (17) settle through the bearing the inboard of spacing (16), one side meshing of gear (17) has screw rod (14), the lower extreme of screw rod (14) is fixed with the lantern ring (13), and lantern ring (13) cover is established the middle part outer wall of RH vacuum tank (2).
5. The RH vacuum refining-based simulation experiment device according to claim 4, wherein: the screw rod (14) forms a rack transmission structure with an output shaft of the motor (15) through the gear (17), the screw rod (14) is symmetrically arranged relative to the central axis of the lantern ring (13), and the RH vacuum groove (2) is in telescopic connection with the vacuum groove support (1) through the lantern ring (13) and the screw rod (14).
6. The RH vacuum refining-based simulation experiment device according to claim 1, wherein: the vacuum tank support (1) is further provided with:
the climbing frame (18) is welded on the outer wall of one side, far away from the RH vacuum groove (2), of the vacuum groove support (1), and a hanging ring (19) is welded on the inner side of the climbing frame (18).
7. The RH vacuum refining-based simulation experiment device according to claim 6, wherein: the structure of the climbing frame (18) is of a C-shaped structure, and the climbing frame (18) and the lifting ring (19) are uniformly distributed along the outer wall of one side of the vacuum groove support (1) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221597378.0U CN217709558U (en) | 2022-06-23 | 2022-06-23 | Simulation experiment device based on RH vacuum refining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221597378.0U CN217709558U (en) | 2022-06-23 | 2022-06-23 | Simulation experiment device based on RH vacuum refining |
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| CN217709558U true CN217709558U (en) | 2022-11-01 |
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| CN202221597378.0U Active CN217709558U (en) | 2022-06-23 | 2022-06-23 | Simulation experiment device based on RH vacuum refining |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116987843A (en) * | 2023-09-25 | 2023-11-03 | 扬中市第一蝶阀厂有限公司 | Automatic argon blowing device and argon blowing method thereof |
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2022
- 2022-06-23 CN CN202221597378.0U patent/CN217709558U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116987843A (en) * | 2023-09-25 | 2023-11-03 | 扬中市第一蝶阀厂有限公司 | Automatic argon blowing device and argon blowing method thereof |
| CN116987843B (en) * | 2023-09-25 | 2023-12-15 | 扬中市第一蝶阀厂有限公司 | Automatic argon blowing device and argon blowing method thereof |
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