CN209722209U - A kind of RH furnace vacuum plant - Google Patents
A kind of RH furnace vacuum plant Download PDFInfo
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- CN209722209U CN209722209U CN201822017563.8U CN201822017563U CN209722209U CN 209722209 U CN209722209 U CN 209722209U CN 201822017563 U CN201822017563 U CN 201822017563U CN 209722209 U CN209722209 U CN 209722209U
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Abstract
The utility model relates to RH furnace technical fields, more particularly to a kind of RH furnace vacuum plant, solve existing RH furnace splash slag cause alloy material be added mouth, the blockings such as vacuum groove top and hot-bending pipe influence the shortcomings that normal use, including ladle and vacuum tank, the vacuum tank includes lower channel, intermediate channel and upper slot, the bottom of the lower channel is connected with dip pipe, it is connected with alloy material at the top of the upper slot, mouth is added, the side of upper slot is also connected with hot-bending pipe, connection ring lifting is driven by stepper motor, to push compression bar to make realization lifting of arguing for the sake of arguing by shaft, splash-back is welded in the end argued for the sake of arguing, the problem of molten steel sputters in ladle is prevented by splash-back, simultaneously when needing to adding alloy material in ladle or carrying out top blast operation, it only needs to be lifted by step motor control splash-back, intermediate channel and top simultaneously Slot and lower channel are separable, the strainer being convenient for changing in splash-back, of simple structure and strong practicability.
Description
Technical field
The utility model relates to RH furnace technical field more particularly to a kind of RH furnace vacuum plants.
Background technique
RH furnace vacuum technique starts in steel-making using nineteen fifty-two is originated in, and people were in production silicon content on 2% left side at that time
Often occur emitting slag phenomenon in casting process when the silicon steel on the right side, by various tests, finds that the hydrogen and nitrogen in molten steel are finally
The main reason for generation generates waste product after emitting slag and can not being poured or roll, various SECONDARY REFINING IN A VACUUM CHAMBERs start to occur therewith, such as true
Empty ingot casting method, ladle drip degassing method, ladle degassing method etc., so that plant-scale molten steel vacuum processing method has been started, it is special
It is not the appearance of steam jet pump, even more accelerates the development of vacuum steel-smelting technology.
Existing RH furnace carries out molten steel by vacuum tank by being passed through Ar gas in a dip pipe to vacuum trench bottom
Circulation but can generate expulsion problem to realize that vacuum decarburization operates in decarbonizing process, cause alloy material that mouth, true is added
There is dry slag phenomenon in the surfaces such as empty slot top and hot-bending pipe, result in blockage, influence normal use.
Utility model content
Splashing slag purpose of the utility model is to solve existing RH furnace causes alloy material that mouth, vacuum groove top and hot bending is added
The shortcomings that blockings such as pipe influence normal use, and a kind of RH furnace vacuum plant proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of RH furnace vacuum plant, including ladle and vacuum tank, the vacuum tank include lower channel, intermediate channel and top
Slot, the bottom of the lower channel are connected with dip pipe, be connected at the top of the upper slot alloy material be added mouth, the one of upper slot
Side is also connected with hot-bending pipe, and the top of upper slot and the side of intermediate channel are welded with limited block；
The side of the intermediate channel, which is bolted, is equipped with fixed disk, and the inside of the fixed disk is turned by being socketed with
Axis, fixed disk side shaft are welded with compression bar, and fixed disk other side shaft, which is welded with, argues for the sake of arguing, and the end argued for the sake of arguing is welded with anti-
Splash plate, the side of intermediate channel has been bolted stepper motor, and the side of intermediate channel is also welded with loop bar, the loop bar it is interior
Portion is connected with threaded rod by bearing, and the outer sheath of the threaded rod is equipped with connection ring.
Preferably, one end of the dip pipe extends to the inside top of ladle, and the side of dip pipe is connected with Ar gas
Pipe.
Preferably, the surface of the splash-back is contacted with vacuum tank inner wall, the end bottom of splash-back and the table of limited block
Face contact, and the inside of splash-back is connected with strainer.
Preferably, be interspersed with plug inside one end of the compression bar, the compression bar two-by-two between pass through plug and connect.
Preferably, the output end of the stepper motor and the bottom outside of threaded rod are arranged with synchronous pulley, described same
Synchronous belt is arranged on the outside of step belt wheel.
Preferably, the surface of the threaded rod is equipped with screw thread, offers and threaded rod surface spiral shell on the inside of the connection ring
The corresponding thread groove of line.
Preferably, the side of the connection ring, which connects Ei by bearing, bull stick, and one end of the bull stick passes through compression bar, and
One end of bull stick extends on the outside of one end of compression bar.
The beneficial effects of the utility model are:
1, in fixed disk two sides, shaft is respectively welded compression bar and argues for the sake of arguing, and welds splash-back in the end argued for the sake of arguing, makes splash-back
Surface contacted with vacuum tank inner wall, and the inside of splash-back be clamped strainer, by strainer filtering ladle except carbon make sputtering
Molten steel effectively prevents alloy material that mouth, vacuum tank groove top and hot-bending pipe is added and the case where slagging occurs.
2, it is arranged the connection ring that inside opens up thread groove corresponding with threaded rod surface screw thread in the top outer of threaded rod, made
Obtaining threaded rod drives connection ring to realize lifting, connects bull stick by bearing in the side of connection ring, and pass through one end of bull stick
Compression bar end makes connection ring that compression bar be driven to realize lifting operation.
In conclusion connection ring lifting is driven by stepper motor, so that compression bar be pushed to make realization lift of arguing for the sake of arguing by shaft
It rises, welds splash-back in the end argued for the sake of arguing, the problem of molten steel sputters in ladle is prevented by splash-back, while working as and needing to ladle
When interior addition alloy material or progress top blast operation, it is only necessary to be lifted by step motor control splash-back, while intermediate channel
Separable, the strainer being convenient for changing in splash-back, of simple structure and strong practicability with upper slot and lower channel.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of RH furnace vacuum plant structural schematic diagram；
Fig. 2 be the utility model proposes a kind of RH furnace vacuum plant Fig. 1 local overlooking structural schematic diagram；
Fig. 3 be the utility model proposes a kind of RH furnace vacuum plant A at structural schematic diagram.
In figure: mouth, 8 leachings is added in 1 ladle, 2 vacuum tanks, 3 lower channels, 4 intermediate channels, 5 upper slots, 6 connection rings, 7 alloy materials
Stain pipe, 9 threaded rods, 10Ar tracheae, 11 limited blocks, 12 hot-bending pipes, 13 splash-backs, 14 compression bars, 15 bull sticks, 16 argue for the sake of arguing, 17 shafts,
18 stepper motors, 19 synchronous belts, 20 loop bars, 21 fixed disks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of RH furnace vacuum plant, including ladle 1 and vacuum tank 2, vacuum tank 2 include lower channel 3, middle part
Slot 4 and upper slot 5, the bottom of lower channel 3 are connected with dip pipe 8, and the top of upper slot 5 is connected with alloy material and mouth 7, top is added
The side of slot 5 is also connected with hot-bending pipe 12, and the top of upper slot 5 and the side of intermediate channel 4 are welded with limited block 11, intermediate channel
4 side, which is bolted, is equipped with fixed disk 21, and the inside of fixed disk 21 is by being socketed with shaft 17,21 side of fixed disk
Shaft 17 is welded with compression bar 14, and 21 other side shaft 17 of fixed disk, which is welded with, argues for the sake of arguing 16, and 16 end of arguing for the sake of arguing is welded with splash-back
13, the side of intermediate channel 4 has been bolted stepper motor 18, and the side of intermediate channel 4 is also welded with loop bar 20, loop bar 20
Internal to be connected with threaded rod 9 by bearing, the outer sheath of threaded rod 9 is equipped with connection ring 6；One end of dip pipe 8 extends to ladle 1
Inside top, and the side of dip pipe 8 is connected with Ar tracheae 10；
The surface of splash-back 13 is contacted with 2 inner wall of vacuum tank, and the end bottom of splash-back 13 and the surface of limited block 11 connect
Touching, and the inside of splash-back 13 is connected with strainer, is interspersed with plug inside one end of compression bar 14, compression bar 14 two-by-two between pass through plug
Connection, the output end of stepper motor 18 and the bottom outside of threaded rod 9 are arranged with synchronous pulley, the outside winding of synchronous pulley
There is synchronous belt 19, the surface of threaded rod 9 is equipped with screw thread, and the inside of connection ring 6 offers spiral shell corresponding with 9 surface screw thread of threaded rod
Groove, the side of connection ring 6, which connects Ei by bearing, bull stick 15, and one end of bull stick 15 passes through compression bar 14, and the one of bull stick 15
End extends on the outside of one end of compression bar 14.
In the present embodiment, vacuum tank 2 is divided for lower channel 3, intermediate channel 4 and upper slot 5, is passed through in the side of intermediate channel 4
Bolt fixes fixed disk 21, interts shaft 17 in the inside of fixed disk 21, and pressure is respectively welded in 21 two sides shaft 17 of fixed disk
Bar 14 and argue for the sake of arguing 16, arguing for the sake of arguing, splash-back 13 is welded in 16 end, and contact the surface of splash-back 13 with 2 inner wall of vacuum tank, and
It is clamped strainer in the inside of splash-back 13, by strainer filtering ladle 1 except carbon makes the molten steel of sputtering, effectively prevents alloy material from adding
There is the case where slagging in entrance 7,2 groove top of vacuum tank and hot-bending pipe 12.
Further, it is bolted stepper motor 18 and loop bar 20 in the side of vacuum tank 2, in the inside of loop bar 20
Make stepper motor 18 that threaded rod 9 be driven to realize rotation by bearing connection screw thread bar 9, and by synchronous belt 19, in threaded rod 9
Top outer is arranged the connection ring 6 that inside opens up thread groove corresponding with 9 surface screw thread of threaded rod, so that threaded rod 9 drives connection
Ring 6 realizes lifting, connects bull stick 15 by bearing in the side of connection ring 6, and one end of bull stick 15 is made to pass through 14 end of compression bar,
Make connection ring 6 that compression bar 14 be driven to realize lifting operation.
In conclusion driving connection ring 6 to go up and down by stepper motor 18, so that compression bar 14 be pushed to make to argue for the sake of arguing by shaft 17
16 realize lifting, the problem of 16 end of arguing for the sake of arguing welds splash-back 13, prevents in ladle 1 molten steel to sputter by splash-back 13,
Simultaneously when needing to adding alloy material in ladle 1 or carrying out top blast operation, it is only necessary to control splash-back by stepper motor 18
13 liftings, while intermediate channel 4 and upper slot 5 and lower channel 3 are separable, the strainer being convenient for changing in splash-back 13, structure
Simply, practical.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of RH furnace vacuum plant, including ladle (1) and vacuum tank (2), which is characterized in that under the vacuum tank (2) includes
The bottom of portion's slot (3), intermediate channel (4) and upper slot (5), the lower channel (3) is connected with dip pipe (8), the upper slot (5)
Top be connected with alloy material mouth (7) be added, the side of upper slot (5) is also connected with hot-bending pipe (12), the top of upper slot (5)
Limited block (11) are welded with the side of intermediate channel (4)；
The side of the intermediate channel (4), which is bolted, to be equipped with fixed disk (21), and the inside of the fixed disk (21) passes through
It is socketed with shaft (17), fixed disk (21) side shaft (17) is welded with compression bar (14), fixed disk (21) other side shaft (17)
It is welded with argue for the sake of arguing (16), the end for arguing for the sake of arguing (16) is welded with splash-back (13), and the side of intermediate channel (4) is bolted
Have stepper motor (18), the side of intermediate channel (4) is also welded with loop bar (20), and the inside of the loop bar (20) is connected by bearing
Have threaded rod (9), the outer sheath of the threaded rod (9) is equipped with connection ring (6).
2. a kind of RH furnace vacuum plant according to claim 1, which is characterized in that one end of the dip pipe (8) extends
Ar tracheae (10) are connected with to the side of the inside top of ladle (1), and dip pipe (8).
3. a kind of RH furnace vacuum plant according to claim 1, which is characterized in that the surface of the splash-back (13) and true
The contact of empty slot (2) inner wall, the end bottom of splash-back (13) is contacted with the surface of limited block (11), and the inside of splash-back (13)
It is connected with strainer.
4. a kind of RH furnace vacuum plant according to claim 1, which is characterized in that worn inside one end of the compression bar (14)
Be inserted with plug, the compression bar (14) two-by-two between pass through plug and connect.
5. a kind of RH furnace vacuum plant according to claim 1, which is characterized in that the output end of the stepper motor (18)
It is arranged with synchronous pulley with the bottom outside of threaded rod (9), synchronous belt (19) are arranged on the outside of the synchronous pulley.
6. a kind of RH furnace vacuum plant according to claim 1, which is characterized in that the surface of the threaded rod (9) is equipped with
Screw thread offers thread groove corresponding with threaded rod (9) surface screw thread on the inside of the connection ring (6).
7. a kind of RH furnace vacuum plant according to claim 1, which is characterized in that the side of the connection ring (6) passes through
Bearing connection Ei has bull stick (15), and one end of the bull stick (15) passes through compression bar (14), and one end of bull stick (15) extends to pressure
On the outside of one end of bar (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822017563.8U CN209722209U (en) | 2018-12-03 | 2018-12-03 | A kind of RH furnace vacuum plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822017563.8U CN209722209U (en) | 2018-12-03 | 2018-12-03 | A kind of RH furnace vacuum plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209722209U true CN209722209U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822017563.8U Active CN209722209U (en) | 2018-12-03 | 2018-12-03 | A kind of RH furnace vacuum plant |
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| Country | Link |
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| CN (1) | CN209722209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911973A (en) * | 2020-01-13 | 2020-03-24 | 宁波奉化平西配电科技有限公司 | Dehumidification cooling car suitable for not co-altitude block terminal |
-
2018
- 2018-12-03 CN CN201822017563.8U patent/CN209722209U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911973A (en) * | 2020-01-13 | 2020-03-24 | 宁波奉化平西配电科技有限公司 | Dehumidification cooling car suitable for not co-altitude block terminal |
| CN110911973B (en) * | 2020-01-13 | 2020-09-08 | 南京溧水高新创业投资管理有限公司 | Dehumidification cooling car suitable for not co-altitude block terminal |
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