CN109207668A - One dual-purpose LF refining seat bag apparatus - Google Patents
One dual-purpose LF refining seat bag apparatus Download PDFInfo
- Publication number
- CN109207668A CN109207668A CN201811209939.3A CN201811209939A CN109207668A CN 109207668 A CN109207668 A CN 109207668A CN 201811209939 A CN201811209939 A CN 201811209939A CN 109207668 A CN109207668 A CN 109207668A
- Authority
- CN
- China
- Prior art keywords
- padded
- mosaic block
- refining
- seat
- dual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses an a kind of dual-purpose LF refining seat bag apparatus, including seat package shelf, a pair of padded and a pair of of mosaic block；Wherein, seat package shelf gabarit is a cuboid, and seat package shelf upper surface lateral direction penetrating has an inverted trapezoidal fluting, and both ends are symmetrically provided with a pair of padded decometer slot along longitudinal direction for the bottom surface of inverted trapezoidal fluting；Each padded decometer slot is connected to padded inner dovetail groove by outer mosaic block card slot and is formed, and one padded is installed in each padded dovetail groove, a mosaic block is installed in each mosaic block card slot.The device of the invention, structure is simple, easy to operate, while meeting VD and the agricultural technology problem commonly refined, does not influence the basic layout for refining seat job contract position originally；According to specific production plan, flexibly select padded assembly, achieve the effect that one it is dual-purpose, reduce manufacturing improvement cost, improve production efficiency and product quality.
Description
Technical field
The invention belongs to smelt field of mechanical technique, it is related to an a kind of dual-purpose LF refining seat bag apparatus.
Background technique
In smelting procedure, LF ladle refining station is the equipment refined after electric furnace steel tapping in ladle, LF furnace by seat package shelf,
Bell, heated by electrodes system, stirring system composition, the air brick by being mounted on ladle bottom is blown into argon gas, to molten steel into
Row stirring, completes the reaction between steel slag.The main function of LF refining has a following: first, it is precisely controlled to point, reduces material
Matter fluctuation；Second, the ingredient and temperature of uniform molten steel guarantee molten steel internal soundness；Third, further desulfurization improve material power
Learn performance；4th, to the thick reduction further deoxidation of molten steel.Although refining procedure has been popularized and has been promoted more in metallurgy industry
Year, but with the continuous improvement that the development of vacuum melting technique and steel quality require, original LF furnace metallurgical function cannot
Meet the requirements at the higher level of product metallurgical quality, therefore, increases vacuum process on LF furnace foundation to reach liquid steel degassing purpose.
After increasing vacuum process, in order to avoid molten steel overflows slag in vacuum process, therefore it is required that liquid steel level is apart in wrapping
It wraps and wraps along the common refining that must have certain preset space, but use now without reserved height, therefore can not meet
VD production requirement needs to redesign refining and wraps to use as vacuum technology, referred to as VD packet.Since design is reserved in VD packet
Space, height are higher than common refining packet, even if the oil cylinder stroke for controlling bell lifting is put into high limit position, VD packet is all
Cannot seat enter to refine within station, can be therefore only by changing chain quantity to promote existing bell limiting altitude
Refining station inner seat enters VD packet.But changes chain quantity and promote bell height, and shadow can be generated to the production of common refining packet
It rings, adverse effect shows two aspects: first, after hoisting depth, when commonly refining back stall enters to refine station, bell is declined
When to extreme lower position, bell and common refining packet still have the gap 100mm, and bell will commonly cannot refine backpack cover completely and live, cause
It is not strong to refine packet inner sealing, interior normal pressure deficiency is wrapped during reduction and is easy to produce air-breathing, and is not easy to keep the temperature, influences molten steel matter
Amount；Second, refining furnace cover, which is promoted, will lead to electrode travel shortening, and electrode insertion is very few, increase first in common refining packet
Beginning molten steel amount restricts production.
As it can be seen that a station meets the production commonly refined, VD production cannot be met；Meet VD production, and meeting
Influence the quality of common refined molten steel.Therefore a refining station, in actual use, between VD production and common refining production
Contradiction, be an intractable technical problem all the time.
Summary of the invention
The object of the present invention is to provide an a kind of dual-purpose LF refining seat bag apparatus, solve the refining under existence conditions
Seat packet is in VD and common refining process, it is difficult to take into account the problem of VD production is with common refining production requirement.
The technical scheme adopted by the invention is that a kind of one dual-purpose LF refining seat bag apparatus, including seat package shelf, a pair
Padded and a pair of of mosaic block；Wherein, seat package shelf gabarit is a cuboid, and seat package shelf upper surface lateral direction penetrating has ladder
Shape fluting, both ends are symmetrically provided with a pair of padded decometer slot along longitudinal direction for the bottom surface of inverted trapezoidal fluting；Each padded decometer slot is by leaning on
Outer mosaic block card slot is connected to composition with padded inner dovetail groove, be installed in each padded dovetail groove one it is padded
Platform is installed with a mosaic block in each mosaic block card slot.
The dual-purpose LF refining seat bag apparatus of of the invention one, it is further characterized in that:
The structure of the seat package shelf is that each padded dovetail groove is located at place padded decometer slot inner end side, padded
The bottom shape of platform dovetail groove is at dovetail channel-shaped；The bottom size of each mosaic block card slot and the bottom size of padded dovetail groove
Unanimously, each mosaic block card slot is open upwards.
Each of described padded structure is that each padded is provided with a vertical surface, padded the other three
Facade is dovetail facade, i.e., padded bottom trihedral shape is processed into the oblique foot of dovetail type, referred to as padded dovetail foot.
Each of described padded upper surface is provided with padded groove handle.
The structure of each mosaic block is that longitudinal both ends of mosaic block are vertical plane, and longitudinal two sides are contra bevel,
Reverse trapezoid shape generally wide at the top and narrow at the bottom.
Each mosaic block upper surface is provided with mosaic block groove handle.
The invention has the advantages that installing one padded additional on LF refining seat job contract position, solves and change bell chain
The problem of existing purifier is unable to meet production common refining packet after quantity, and the technique mistake of VD production is not influenced
Journey.In addition in addition to using padded to wrap with padded common refining, meet other than production requirement, then inlayed in padded side configuration
Block further limits padded terminal location, and reaching makes the padded mesh for fitting together perfectly and consolidating up and down with seat job contract position
's；The apparatus structure is simple, easy to operate, and VD production cannot be met simultaneously by solving existing refining seat job contract position in production process
The technical issues of with common refining production, and the basic layout for refining seat job contract position originally is not influenced.It can be according to specific raw
Produce plan, flexibly select padded fitted position, achieve the effect that one it is dual-purpose, not only increase production efficiency, Er Qieti
High product quality, reduces scrap build cost.
Detailed description of the invention
Fig. 1 is the whole assembling schematic diagram of apparatus of the present invention；
Fig. 2 is the structural schematic diagram of the seat package shelf 3 in the present invention, wherein Fig. 2 a is that front view, Fig. 2 b are top view, figure
2c is perspective view；
Fig. 3 is padded 4 structural schematic diagram in the present invention, wherein Fig. 3 a is that front view, Fig. 3 b are side view, figure
It is perspective view that 3c, which is top view, Fig. 3 d,；
Fig. 4 is the structural schematic diagram of the mosaic block 9 in the present invention, wherein Fig. 4 a is that front view, Fig. 4 b are top view, figure
4c is perspective view；
Fig. 5 is the practical application assembling schematic diagram of apparatus of the present invention and common refining packet；
Fig. 6 is the practical application assembling schematic diagram of apparatus of the present invention Yu VD packet.
In figure, 1.VD refining packet, 2. common refining packets, 3. seat package shelfs, 4. padded, 5. padded decometer slots, 6. mosaic blocks
Card slot, 7. padded dovetail grooves, 8. dovetail feet, 9. mosaic blocks, 10. mosaic block groove handles, 11. padded groove handles.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Referring to Fig.1, the structure of apparatus of the present invention is, including seat package shelf 3, a pair of padded 4 and a pair of of mosaic block 9；Wherein,
3 gabarit of seat package shelf is a cuboid, and 3 upper surface lateral direction penetrating of seat package shelf has an inverted trapezoidal fluting, inverted trapezoidal fluting
Both ends are symmetrically provided with a pair of padded decometer slot 5 along longitudinal direction for bottom surface；Each padded decometer slot 5 is by outer mosaic block card slot 6 and leans on
Padded interior dovetail groove 7 is connected to composition, is installed with one padded 4 in each padded dovetail groove 7, each mosaic block card slot
A mosaic block 9 is installed in 6；Each padded 4 is pushed completely into the pad of this side from this 6 tripping in of side mosaic block card slot and level
In plateau dovetail groove 7, then mosaic block 9 is put into mosaic block card slot 6, so that mosaic block 9 holds out against padded 4 in padded swallow
In stern notch 7, the firm fixation of padded 4 with padded of place dovetail groove 7 are realized.
Referring to Fig. 2 a, Fig. 2 b, Fig. 2 c, the structure of seat package shelf 3 is that each padded dovetail groove 7 is located at the padded decometer in place
5 inner end side of slot, the bottom shape of padded dovetail groove 7 is at dovetail channel-shaped；The bottom size of each mosaic block card slot 6 with it is padded
The bottom size of platform dovetail groove 7 is consistent, and each mosaic block card slot 6 is open upwards, so that padded 4 elder generation puts downwards mosaic block card into
Slot 6, then horizontal propulsion is completely into padded dovetail groove 7.
Referring to Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 3 d, each padded 4 structure is that each padded 4 is provided with one uprightly
Face, padded 4 the other three facade are dovetail facade, i.e., padded 4 bottom trihedral shapes are processed into the oblique foot of dovetail type, are claimed
For padded 4 dovetail foot 8；Dovetail foot 8 is installed in padded dovetail groove 7, and padded 4 vertical surface is held out against with mosaic block 9
Contact, a dovetail facade opposite with vertical surface hold out against with padded 7 inner face of dovetail groove and contact, and two opposite dovetails are vertical
Face holds out against with the outer inclined-plane of padded 7 two sides of dovetail groove and contacts.Each padded 4 upper surfaces are provided with padded groove handle
11。
Referring to Fig. 4 a, Fig. 4 b, Fig. 4 c, the structure of each mosaic block 9 is that longitudinal both ends of mosaic block 9 are vertical plane, longitudinal
Two sides are contra bevel, reverse trapezoid shape generally wide at the top and narrow at the bottom, wherein inner end a vertical plane and padded 4 dovetail
The vertical surface of foot 8 holds out against contact, another vertical plane of outer end end face tightening outer with padded decometer slot 5 contacts, opposite
The fitting corresponding with the longitudinal ramp on both sides of mosaic block card slot 6 of two contra bevels；Each 9 upper surface of mosaic block is provided with mosaic block
Groove handle 10 is easy to be drawn up replacement operation.
Padded 4 and mosaic block 9 are to support the effect for raising refining packet, only with ladle involucrum outer layer trunnion plus
Strong axle sleeve contact, does not contact directly, only 60-80 DEG C of involucrum exospheric temperature, in addition the trunnion sleeve of stock temperature of contact is more with molten steel
It is low, therefore padded 4 and mosaic block 9 need not use heat-resisting material, and not easy to be processed, using cheap general steel plate
Material.
The working principle of the invention is,
1) referring to Fig. 5, in common refinery practice production process, a pair of padded 4 and a pair are installed on seat package shelf 3
Mosaic block 9,2 downward seats of common refining packet are placed on padded 4 a pair of.Installation process is, first by padded 4 from mosaic block card
It is put down at slot 6, after padded 4 is placed steadily in mosaic block card slot 6, by padded 48 alignment pads plateau dovetail of dovetail foot
Slot 7, slowly inwardly passage, to padded 4 dovetail foot 8 completely into padded dovetail groove 7, padded 4 dovetail foot 8 with
Padded dovetail groove is corresponding angles, realizes detent up and down, it is ensured that padded 4 and about 3 clamping of seat package shelf.Mosaic block 9 is fallen again
Enter in mosaic block card slot 6, it is firm that mosaic block 9 is bonded with padded 4 dovetail foot 8, limits padded 4 along longitudinal direction and avoids due to shake
Dynamic stress is mobile, it is ensured that padded 4 solid with 3 stable connection of seat package shelf.Therefore, such device not only improves refining station
Seat packet height, and do not influence commonly to refine production effect.
Bottom in Fig. 5 is shown vacantly, is to have added padded because live normal packet is identical as the VD following size of packet trunnion
4, normal packet is raised, therefore bottom vacantly belongs to normally, seat package shelf 3 is refining station support beam below.
2) referring to Fig. 6, in VD production process, in order to reduce the height of VD refining packet 1, by mosaic block 9 and padded
Platform 4 is gone out, and VD is refined 1 direct seat of packet and is placed on seat package shelf 3；Due to padded decometer slot 5 (i.e. mosaic block card slot 6 and padded
Dovetail groove 7) it is all the built-in slot on seat package shelf 3 in inverted trapezoidal fluting, therefore VD refining 1 axle sleeve of packet places firm, and
Prepare small pieces steel plate to cover this padded decometer slot 5 completely, avoids steel slag in refining process from being splashed into it, be not easily cleaned, shadow
Padded 4 installation again is rung, the amount of labour is small, easy to operate.Therefore, such device not only reduces the seat packet height of refining station
Degree, and the effect of VD refining production is not influenced.
Claims (6)
1. an a kind of dual-purpose LF refining seat bag apparatus, it is characterised in that: including seat package shelf (3), a pair of padded (4) and one
To mosaic block (9)；Wherein, seat package shelf (3) gabarit is a cuboid, and seat package shelf (3) upper surface lateral direction penetrating has ladder
Shape fluting, both ends are symmetrically provided with a pair of padded decometer slot (5) along longitudinal direction for the bottom surface of inverted trapezoidal fluting；Each padded decometer slot
(5) it is connected to and is formed with padded inner dovetail groove (7) by outer mosaic block card slot (6), in each padded dovetail groove (7)
It is installed with one padded (4), a mosaic block (9) is installed in each mosaic block card slot (6).
2. one according to claim 1 dual-purpose LF refining seat bag apparatus, it is characterised in that: the seat package shelf (3)
Structure be that each padded dovetail groove (7) is located at padded decometer slot (5) the inner end side in place, the bottom of padded dovetail groove (7)
Portion's shape is at dovetail channel-shaped；The bottom size of each mosaic block card slot (6) is consistent with the bottom size of padded dovetail groove (7),
Each mosaic block card slot (6) is open upwards.
3. one according to claim 1 dual-purpose LF refining seat bag apparatus, it is characterised in that: each of described padded
(4) structure is that each padded (4) are provided with a vertical surface, and padded (4) the other three facade is that dovetail is vertical
The oblique foot of dovetail type, referred to as padded (4) dovetail foot (8) are processed into face, i.e. padded (4) bottom trihedral shape.
4. one according to claim 1 dual-purpose LF refining seat bag apparatus, it is characterised in that: each of described padded
(4) upper surface is provided with padded groove handle (11).
5. one according to claim 1 dual-purpose LF refining seat bag apparatus, it is characterised in that: each mosaic block
(9) structure is that longitudinal both ends of mosaic block (9) are vertical plane, and longitudinal two sides are contra bevel, and generally wide at the top and narrow at the bottom falls
Trapezoidal shape.
6. one according to claim 1 dual-purpose LF refining seat bag apparatus, it is characterised in that: each mosaic block
(9) upper surface is provided with mosaic block groove handle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209939.3A CN109207668B (en) | 2018-10-17 | 2018-10-17 | One-position dual-purpose LF refining seat bag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209939.3A CN109207668B (en) | 2018-10-17 | 2018-10-17 | One-position dual-purpose LF refining seat bag device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109207668A true CN109207668A (en) | 2019-01-15 |
| CN109207668B CN109207668B (en) | 2020-04-24 |
Family
ID=64980623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811209939.3A Active CN109207668B (en) | 2018-10-17 | 2018-10-17 | One-position dual-purpose LF refining seat bag device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109207668B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02270906A (en) * | 1989-04-11 | 1990-11-06 | Nkk Corp | Ladle bottom structure in molten iron pre-treating ladle |
| CN203582895U (en) * | 2013-11-30 | 2014-05-07 | 西安新达炉业工程有限责任公司 | Integrated ladle refining equipment |
| CN104625035A (en) * | 2014-11-10 | 2015-05-20 | 中冶陕压重工设备有限公司 | Stationary ladle device for refining ladle pouring and application method |
| CN209162120U (en) * | 2018-10-17 | 2019-07-26 | 中冶陕压重工设备有限公司 | A kind of one dual-purpose LF refining seat bag apparatus |
-
2018
- 2018-10-17 CN CN201811209939.3A patent/CN109207668B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02270906A (en) * | 1989-04-11 | 1990-11-06 | Nkk Corp | Ladle bottom structure in molten iron pre-treating ladle |
| CN203582895U (en) * | 2013-11-30 | 2014-05-07 | 西安新达炉业工程有限责任公司 | Integrated ladle refining equipment |
| CN104625035A (en) * | 2014-11-10 | 2015-05-20 | 中冶陕压重工设备有限公司 | Stationary ladle device for refining ladle pouring and application method |
| CN209162120U (en) * | 2018-10-17 | 2019-07-26 | 中冶陕压重工设备有限公司 | A kind of one dual-purpose LF refining seat bag apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109207668B (en) | 2020-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101469370B (en) | Method for manufacturing large-sized high purity 12Cr% low-ilicon low-aluminum electroslag remelting steel ingot | |
| CN209162120U (en) | A kind of one dual-purpose LF refining seat bag apparatus | |
| CN105917028A (en) | Electrolytic device and anode assembly intended for the production of aluminium, electrolytic cell and apparatus comprising such a device | |
| CN109207668A (en) | One dual-purpose LF refining seat bag apparatus | |
| CN211311296U (en) | Muffle furnace heating device and muffle furnace | |
| CN210796526U (en) | Steelmaking electric arc furnace body structure | |
| CN102632229A (en) | Improved tundish cover | |
| CN203582699U (en) | Graphite liner for molten tin bath | |
| CN101821574B (en) | Device for submerging material into liquid metal by electromagnetic stirrer | |
| AU2015208860B2 (en) | Anode assembly and associated production method | |
| CN104099449B (en) | Stove section gas isolating tightness system | |
| CN209974814U (en) | Slag runner prefabricated part | |
| CN207674964U (en) | Seperated compensation wide cloth ferro-alloy furnace blanking mouth | |
| CN207865985U (en) | A kind of car-type metallurgical furnace support device | |
| CN206885180U (en) | A kind of protector of continuous casting slag car wheel | |
| CN203258979U (en) | Direct current electric arc furnace | |
| CN206028942U (en) | Fluid welding device is returned in vacuum | |
| CN202393230U (en) | Furnace door of heating furnace and heating furnace with same | |
| CN201770728U (en) | Vacuum degassing device with plasma heating device | |
| CN107976071A (en) | The compensation wide cloth ferro-alloy furnace blanking mouth of split | |
| CN204401084U (en) | On draw the graphite protective sleeve of smelting furnace channel | |
| CN206862130U (en) | A kind of integrated poured aluminium melting furnace sole preform | |
| CN204404766U (en) | A kind of arc furnace top cover of composite construction | |
| CN204881165U (en) | Channel structure | |
| CN221093396U (en) | Lifting appliance and movable apron assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |