CN106086297B - A kind of converter slag-resisting sliding nozzle device - Google Patents
A kind of converter slag-resisting sliding nozzle device Download PDFInfo
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- CN106086297B CN106086297B CN201610713959.9A CN201610713959A CN106086297B CN 106086297 B CN106086297 B CN 106086297B CN 201610713959 A CN201610713959 A CN 201610713959A CN 106086297 B CN106086297 B CN 106086297B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses a kind of left and right gate-type converter slag-resisting sliding nozzle device, in fixed frame both sides, the fixed door axle bed of " F " type is set, the distance of its centre bore to the bottom land of inner slider brick groove is arranged to 172~177mm, in opening and closing framework both sides, T-shape spring housing is set, the width of spring bearer plate and slide rail is taken into account, simultaneously, spring housing thickeies up and down and sets dodge gate axis hole in both sides, fixed frame is fixed on debugging frame, >=110 ° of enabling absolutely not interference, during pressurized operation, face pressure bolt is each passed through spring bearer plate, spring, opening and closing framework is simultaneously tightened on fixed frame, in by slide rail, face pressure is evenly transferred to, between outer sliding plate brick.It is the preferable substitute products of current less than 180 tons converter slag-resisting devices the invention provides the converter slag-resisting sliding nozzle device that a kind of open angle is big, spring pressure fluctuation is small, face pressure transmits homogeneous constant, off-line operation is convenient, safeguards that simple, cost is low, has a safety feature.
Description
Technical field
The invention belongs to make steel field of mechanical technique, more particularly to a kind of Converter Skimming installed in converter taphole
With converter slag-resisting sliding nozzle device.
Background technology
In currently known less than 180 tons big-and-middle-sized converter taphole slide plate pushing off the slag sliding nozzle device, typical structure is
Left and right opening door formula structure, in order to reduce production cost and device total height, generally inner slider brick bottom land plate thickness is arranged to
10mm, to reduce inner slider brick public affairs open height and identical with outer sliding plate brick public affairs open height.In order to ensure the peace of device left and right opening door
Quan Xing, the height setting of usual fixed frame door-hinge seat is as far as possible low, the bottom land at general door-hinge bore center to inner slider brick groove
Distance is arranged to 120~140mm.Its shortcomings that is：Sliding nozzle device open the door to 65 ° -75 ° when, opening and closing framework spring housing with
Eyelet bolt interference on debugging frame, open angle wretched insufficiency（Normal requirement >=100 °, it is preferable more than 110 °）, it is offline to change
When slide plate and the mouth of a river, narrow space is changed, operation is very difficult, and labor intensity substantially increases, while device cleaning and maintenance difficulty,
Maintenance time is grown, and has had a strong impact on resistance to material installation, part cleaning and maintenance work quality and efficiency, reduces the security of system
Energy.
For solving device left and right opening door angle wretched insufficiency problem, currently known scheme is：It is big for more than 180 tons
Type skimming device, it is 30~35mm of gross thickness by the way that inner slider brick bottom land plate thickness is increased into 20~25mm, to improve fixed frame
Frame door-hinge seat centre-height, increase device left and right opening door angle and reach 83~90 ° or so, reach requirement reluctantly, but
The problem of band inner slider brick highly increase, device total height increases, the rise of system integrated cost, it is for less than 180 tons big-and-middle
Type converter slag-resisting device, left and right opening door angle wretched insufficiency are still the technical barrier for perplexing industry.
In currently known converter taphole slide plate pushing off the slag sliding nozzle device, opening and closing framework spring cell structure is straight-through
Formula, face pressure bolt pass through spring bearer plate two side holes, screw face pressure bolt, spring pressure is by fixed rack and slides slide rail transmission
To between two slide plates, face pressure loading procedure is realized.It is primarily present problems with：In the case of opening and closing frame width is constant, bullet
Spring platen width can not be taken into account with slide rail width, when the setting of slide rail width is normal（General 35~40mm）, spring bearer plate width
It is too small, general 64~65mm（8~9mm of corresponding aperture minimum wall thickness (MINI W.)）, both ends easily upwarp deformation, otherwise slide rail width is less than normal, makes
Big, face pressure is fluctuated into spring pressure and transmits stability decline, and equipment safety reduces, and easily causes bleed-out accident between slide plate.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of converter slag-resisting sliding nozzle device.
The technical scheme is that：
A kind of converter slag-resisting sliding nozzle device, including fixed frame, opening and closing framework, sliding frame, offline drive device,
Online drive device, inner nozzle pressing plate, outer mouth of a river seat, outer mouth of a river top-fastener, main protection thermal insulation board, auxiliary protection thermal insulation board, debugging
Frame, connecting plate, inner slider brick, outer sliding plate brick, inner nozzle brick and outer nozzle brick, the fixed frame and opening and closing framework switch gate
Axis connection together, sets sliding frame in opening and closing framework, opening and closing framework is correspondingly arranged solid respectively with the side position of sliding frame two
Determine slide rail, slide slide rail, outer mouth of a river seat and main protection thermal insulation board be set on sliding frame, during off-line operation, fixed frame is used
Eyelet bolt is fixed on adjusting bracket, opens opening and closing framework to 110 ° or so, outer sliding plate brick and inner slider brick are individually positioned in
Fixed frame is with sliding frame brick groove, closure opening and closing framework, being connected sliding frame and driving with offline drive device with bearing pin
Dynamic sliding frame, makes outer slide plate and inner slider centering, by outer nozzle brick in outer mouth of a river seat and with outer mouth of a river top-fastener top
Tightly, the Renewal process of resistance to material is completed；When online converter taphole skimming device inner nozzle brick, inner slider brick, outer sliding plate brick and outer water
Mouth brick was used to after the life-span, and the inner nozzle brick more renewed is simultaneously pressed on inside connecting plate, the pushing off the slag more renewed with inner nozzle pressing plate
Device is simultaneously connected with connecting plate and online drive device respectively, and driving slider bar moves back and forth, and drives outer slide plate and the outer mouth of a river
Brick is close to inner slider and steadily slided, and completes converter tapping and pushing off the slag overall process.
In order to increase the open angle of skimming device, fixed door axle bed on fixed frame is raised into 40~45mm, makes door-hinge
Bore reaches 165~180mm to the distance of the bottom land of inner slider brick groove（172~177mm of preferred value）, keep inner slider brick bottom land
When plate thickness is constant（10mm）, when opening skimming device to 110 °, opening and closing framework no longer occurs with the eyelet bolt on debugging frame
Interference, is very easy to off-line operation and maintenance work.Reinforcement platform is respectively provided with the outside of fixed door axle bed simultaneously, is made solid up and down
It is in " F " type to determine door-hinge seat, ensure that security when device opens the door.
Up big and down small T-shape spring housing is set at left and right sides of the opening and closing framework, and spring housing thickeies and set in both sides up and down
Dodge gate axis hole, spring bearer plate, spring lead, spring, face pressure bolt are set in spring housing, and face pressure bolt passes through spring pressure
Plate, the bolt hole for being opened and closed framework, opening and closing framework, spring, spring bearer plate are compressed and linked together with fixed frame, is completed
The pressure process of whole device.In the case of opening and closing frame width is constant, the setting of T-shape spring housing, make spring bearer plate and cunning
Rail width is effectively ensured, and spring bearer plate width reaches 74~75mm（Corresponding aperture 13~14mm of minimum wall thickness (MINI W.), thicken 50%
More than）, slide rail width reach 38~40mm（General slide rail width 30-32mm）, meanwhile, using novel spring and reduce spring number
Amount, it is one to set number of springs on the outside of spring bearer plate bolt hole, spring bearer plate non-deformability is further increased, by spring
The pressing plate life-span improve 3~5 times, effectively reduce spring pressure fluctuate and make face pressure transmission evenly, it is more stable, greatly improve
Security of system and stability.
Also include main protection thermal insulation board, auxiliary protection thermal insulation board, main protection thermal insulation board is fixed on the outside of outer mouth of a river seat, auxiliary anti-
Shield thermal insulation board is fixed on the outside of spring bearer plate, and main protection thermal insulation board afterbody is arranged to streamlined.Converter is alleviated normally to smelt
When collision of the dropping to device, reduce the occurrence of device is to body of heater petticoat pipe interference and collision, improve the safety of device
Performance.
Set totally enclosed type to fall thing baffle plate in opening and closing framework afterbody, device is blocked completely in converter steelmaking process, prevented
Only body of heater falling object from high altitude is fallen into inside device, adds the security and reliability of device.
Outer mouth of a river seat is set on the outside of the sliding frame, outer mouth of a river top-fastener is set inside outer mouth of a river seat, the outer mouth of a river is held out against
Device is connected with outer mouth of a river seat with three bolts and tightened together, and extends the service life of outer mouth of a river top-fastener, and connection is more firm
Reliably.
Also include inner slider pressing device and inner slider brick is fixed on by outer slide plate pressing device, inner slider pressing device
Determine in framework, outer sliding plate brick is fixed in sliding frame by outer slide plate pressing device.
The beneficial effects of the invention are as follows：
1st, door-hinge bore reaches 165~180mm to the distance of inner slider brick groove（172~177mm of preferred value）, it is sliding in holding
Plate brick bottom land plate thickness is constant（10mm）, when opening skimming device to 110 °, the eyelet bolt on opening and closing framework and debugging frame is not
Interfere again, be very easy to off-line operation and maintenance work.
The 2nd, T-shape spring housing is set, in the case of opening and closing frame width is constant, spring bearer plate and slide rail width is obtained
It is effectively ensured, spring bearer plate width reaches 74~75mm（Corresponding aperture 13~14mm of minimum wall thickness (MINI W.), thicken more than 50%）, slide rail it is wide
Degree reaches 38~40mm（General slide rail width 30-32mm）, meanwhile, using novel spring and number of springs is reduced, spring is set
Number of springs is one on the outside of follower bolt hole, further increases spring bearer plate non-deformability, the spring bearer plate life-span is carried
It is high 3~5 times, effectively reduce spring pressure fluctuate and make face pressure transmit evenly, it is more stable, greatly improve security of system
And stability.
The application provides a kind of open angle greatly (>=110 °), and spring pressure fluctuation is small, face pressure transmits homogeneous constant, from
Line is easy to operate, maintenance is simple, and cost is low, and the left and right gate-type converter slag-resisting sliding nozzle device having a safety feature, is current 180
The preferable substitute products of the following converter slag-resisting device of ton.
Brief description of the drawings
Fig. 1 is the enabling three-view diagram of the converter slag-resisting sliding nozzle device of the present invention（Debugging frame support is hidden, is opened the door
110°）；
Fig. 2 is the front view of the converter slag-resisting sliding nozzle device of the present invention；
Fig. 3 is the enabling upward view of the converter slag-resisting sliding nozzle device of the present invention（Open the door 110 °）；
Fig. 4 is the longitudinal direction of pressurization and completely closed state between the slide plate in the converter slag-resisting sliding nozzle device of the present invention
Sectional view (pushing off the slag state)；
Fig. 5 is the 3-D view of the fixed frame in the converter slag-resisting sliding nozzle device of the present invention；
Fig. 6 is the assembling 3-D view of the opening and closing framework in the converter slag-resisting sliding nozzle device of the present invention；
Transverse direction when Fig. 7 pressurizes between the slide plate in the converter slag-resisting sliding nozzle device of the present invention and opened completely is cutd open
View (tapping state).
Embodiment
Referring to accompanying drawing 1-7, a kind of converter slag-resisting sliding nozzle device, including fixed frame 1, opening and closing framework 2, sliding frame
3rd, offline drive device 20, online drive device 21, inner nozzle pressing plate 63, outer mouth of a river seat 64, outer mouth of a river top-fastener 65, main protection
Thermal insulation board 66, auxiliary protection thermal insulation board 67, debugging frame 70, connecting plate 72, inner slider brick 102, outer sliding plate brick 103, inner nozzle brick 101
And outer nozzle brick 104, the fixed frame 1 are linked together with switch door-hinge 16 with opening and closing framework 2, set in opening and closing framework 2
Sliding frame 3, opening and closing framework 2 are correspondingly arranged fixed rack 13 with 3 liang of side positions of sliding frame, slide slide rail 14, slide respectively
Set on framework 3 outer mouth of a river seat 64 and it is main protect thermal insulation board 66, during off-line operation, fixed frame 1 is fixed with eyelet bolt 71
On adjusting bracket, opening and closing framework 2 is opened（To 110 ° or so）, outer sliding plate brick 103 and inner slider brick 102 are individually positioned in fixation
Framework 1 is with the brick groove of sliding frame 3, closure opening and closing framework 2, sliding frame 3 being connected simultaneously with offline drive device 20 with bearing pin
Sliding frame 3 is driven, makes outer slide plate and inner slider centering, it is interior and with the outer mouth of a river that outer nozzle brick 104 is arranged on into outer mouth of a river seat 64
Top-fastener 65 is held out against, and completes the Renewal process of resistance to material；When online converter taphole skimming device inner nozzle brick 101, inner slider brick
102nd, outer sliding plate brick 103 and outer nozzle brick 104 were used to after the life-span, the inner nozzle brick 101 more renewed and with inner nozzle pressing plate 63
It is pressed on inside connecting plate 72, the skimming device more renewed is simultaneously connected with connecting plate 72 and online drive device respectively, drives
Slider bar moves back and forth, and drives outer slide plate and outer nozzle brick 104 to be close to inner slider and steadily slide, and completes converter tapping and pushing off the slag is complete
Process.
In order to increase the open angle of skimming device, fixed door axle bed 10 on fixed frame 1 is raised into 40~45mm, makes door
Axle bed hole reaches 165~180mm to the distance of the bottom land of inner slider brick groove 12（In the present embodiment preferred value be 172~
177mm）, when keeping inner slider brick 12 base plate thickness of groove constant（10mm）, open skimming device to 110 ° when, opening and closing framework 2 with
Eyelet bolt 71 on debugging frame 70 no longer interferes, and is very easy to off-line operation and maintenance work.Simultaneously in fixation
The outside of door-hinge seat 10, which is respectively provided with, strengthens platform 11, and it is in " F " type to make upper and lower fixed door axle bed 10, ensure that safety when device opens the door
Property.
The left and right sides of opening and closing framework 2 sets up big and down small T-shape spring housing 51, T-shape spring housing both sides about 51
Thicken and dodge gate axis hole is set, spring bearer plate 54, spring lead 55, spring 53, face pressure spiral shell are set in T-shape spring housing 51
Bolt 52, face pressure bolt 52, will opening and closing framework 2, spring 53, spring bearer plates 54 through spring bearer plate 54, the bolt hole of opening and closing framework 2
Compress and linked together with fixed frame 1, complete the pressure process of whole device.The setting of T-shape spring housing 51, opening
Close the width of framework 2 it is constant in the case of, spring bearer plate 54 and slide rail width is effectively ensured, the width of spring bearer plate 54 reaches
74~75mm（Corresponding aperture 13~14mm of minimum wall thickness (MINI W.), thicken more than 50%）, slide rail width reach 38~40mm（General slide rail is wide
Spend 30-32mm）, meanwhile, using novel spring 53 and the quantity of spring 53 is reduced, the outer lateral spring 53 of the bolt hole of spring bearer plate 54 is set
Quantity is one, further increases the non-deformability of spring bearer plate 54, and the life-span of spring bearer plate 54 is improved into 3~5 times, effectively subtracted
Lacked the pressure oscillation of spring 53 and make face pressure transmit evenly, it is more stable, greatly improve security of system and stability.
Converter slag-resisting device also sets up main protection thermal insulation board 66, auxiliary protection thermal insulation board 67, is separately fixed at outer mouth of a river seat 64
And the outside of spring bearer plate 54, the main protection afterbody of thermal insulation board 66 are arranged to streamlined, alleviate dropping pair when converter is normally smelted
The collision of device, the occurrence of device is to body of heater petticoat pipe interference and collision is reduced, improve the security performance of device.
In addition, totally enclosed type is set to fall thing baffle plate 15 in the opening and closing afterbody of framework 2, by the top of device in converter steelmaking process
Block completely, prevent body of heater falling object from high altitude from falling into inside device, add the security and reliability of device.
Outer mouth of a river seat 64 is set on the outside of sliding frame, and the outer inside of mouth of a river seat 64 sets outer mouth of a river top-fastener 65, outer mouth of a river top
Tight device 65 is connected with three bolts with outer mouth of a river seat 64 tightens together and holds out against outer nozzle brick 104, extends the outer mouth of a river and holds out against
The service life of device 65, connection are more solid and reliable.
Also include inner slider pressing device 30 and outer slide plate pressing device 31, inner slider pressing device 30 is by inner slider brick
102 are fixed in fixed frame 1, and outer sliding plate brick 103 is fixed in sliding frame 3 by outer slide plate pressing device 31.
Embodiment described above is only that the preferred embodiment of the present invention is described, and is set not departing from the present invention
On the premise of meter spirit, various modifications and improvement that those of ordinary skill in the art make to technical scheme all should
Fall into the protection domain of claims of the present invention determination.
Claims (6)
1. a kind of converter slag-resisting sliding nozzle device, it is characterised in that including fixed frame（1）, opening and closing framework（2）, slider bar
Frame（3）, offline drive device（20）, online drive device（21）, inner nozzle pressing plate（63）, outer mouth of a river seat（64）, outer mouth of a river top
Tight device（65）, main protection thermal insulation board（66）, auxiliary protection thermal insulation board（67）, debugging frame（70）, connecting plate（72）, inner nozzle brick
（101）, inner slider brick（102）, outer sliding plate brick（103）And outer nozzle brick（104）；The fixed frame（1）With being opened and closed framework（2）
By switching door-hinge（16）What is rotated links together, and is opened and closed framework（2）Interior setting sliding frame（3）, it is opened and closed framework（2）With cunning
Dynamic framework（3）Two side positions are correspondingly arranged fixed rack respectively（13）, slide slide rail（14）, sliding frame（3）The outer water of upper setting
Mouth seat（64）And main protection thermal insulation board（66）, the main protection thermal insulation board（66）It is fixed on outer mouth of a river seat（64）Outside, it is auxiliary anti-
Protect thermal insulation board（67）It is fixed on spring bearer plate（54）Outside, main protection thermal insulation board（66）Afterbody is arranged to streamlined；Outer slide plate
Brick（103）It is arranged on sliding frame（3）Brick groove in, inner slider brick（102）It is arranged on fixed frame（1）Brick groove in；Outer water
Mouth brick（104）It is arranged on outer mouth of a river seat（64）It is interior and with outer mouth of a river top-fastener（65）Hold out against；In fixed frame（1）Upper and lower both sides are equal
The fixed door axle bed of " F " type of setting（10）, the fixed door axle bed of " F " type（10）Door-hinge bore to fixed frame（1）Interior cunning
Plate brick groove（12）The distance of bottom land be 165~180mm；During online slag-stopping tapping, inner nozzle brick（101）With inner nozzle pressing plate
（63）It is fixed on connecting plate（72）On, fixed frame（1）Use eyelet bolt（71）It is fixed on connecting plate（72）On, sliding frame
（3）With online drive device（21）It is connected；During off-line operation, fixed frame（1）Use eyelet bolt（71）It is fixed on debugging frame
（70）On, sliding frame（3）With offline drive device（20）It is connected.
2. converter slag-resisting sliding nozzle device according to claim 1, it is characterised in that the fixed door of described " F " type
Axle bed（10）Door-hinge bore to fixed frame（1）Inner slider brick groove（12）The distance of bottom land be 172~177mm.
3. converter slag-resisting sliding nozzle device according to claim 2, it is characterised in that in opening and closing framework（2）Left and right two
Side sets up big and down small T-shape spring housing（51）, T-shape spring housing（51）Upper and lower both sides thicken and set dodge gate axis hole,
Spring bearer plate is set in spring housing（54）, spring lead（55）, spring（53）, face pressure bolt（52）, face pressure bolt（52）Wear
Cross spring bearer plate（54）, opening and closing framework（2）Bolt hole, framework will be opened and closed（2）, spring（53）, spring bearer plate（54）Compress simultaneously
With fixed frame（1）Link together.
4. converter slag-resisting sliding nozzle device according to claim 3, it is characterised in that in opening and closing framework（2）Afterbody is set
Put totally enclosed type pendant thing baffle plate（15）, the top of converter slag-resisting sliding nozzle device is blocked completely in converter steelmaking process.
5. converter slag-resisting sliding nozzle device according to claim 4, it is characterised in that the sliding frame（3）Outside
Outer mouth of a river seat is set（64）, outer mouth of a river seat（64）Inside sets outer mouth of a river top-fastener（65）, outer mouth of a river top-fastener（65）With three
Bolt and outer mouth of a river seat（64）Connection tightens together.
6. converter slag-resisting sliding nozzle device according to claim 5, it is characterised in that also including inner slider pressing device
（30）With outer slide plate pressing device（31）, inner slider pressing device（30）By inner slider brick（102）It is fixed on fixed frame（1）
It is interior, outer slide plate pressing device（31）By outer sliding plate brick（103）It is fixed on sliding frame（3）It is interior.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610713959.9A CN106086297B (en) | 2016-08-24 | 2016-08-24 | A kind of converter slag-resisting sliding nozzle device |
| PCT/CN2017/076327 WO2018036136A1 (en) | 2016-08-24 | 2017-03-10 | Converter slag stopping slide gate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610713959.9A CN106086297B (en) | 2016-08-24 | 2016-08-24 | A kind of converter slag-resisting sliding nozzle device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106086297A CN106086297A (en) | 2016-11-09 |
| CN106086297B true CN106086297B (en) | 2018-02-13 |
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ID=57226202
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610713959.9A Active CN106086297B (en) | 2016-08-24 | 2016-08-24 | A kind of converter slag-resisting sliding nozzle device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106086297B (en) |
| WO (1) | WO2018036136A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086297B (en) * | 2016-08-24 | 2018-02-13 | 河南熔金高温材料股份有限公司 | A kind of converter slag-resisting sliding nozzle device |
| CN108160982B (en) * | 2018-02-09 | 2024-04-30 | 马鞍山市双益机械制造有限公司 | Ladle sliding gate device |
| CH715297A2 (en) * | 2018-09-04 | 2020-03-13 | Refractory Intellectual Property Gmbh & Co Kg | Procedure for the maintenance of a sliding closure on the pouring of a metallurgical vessel and a sliding closure. |
| CN109590593A (en) * | 2019-01-28 | 2019-04-09 | 江苏正茂海洋链业有限公司 | A kind of flash welding of chain link welding picks automatic catch slag door machine structure and its application method |
| CN112481443A (en) * | 2020-12-03 | 2021-03-12 | 马鞍山瑞恒精密制造有限公司 | Laterally-installed converter flow control device |
| CN112481442B (en) * | 2020-12-03 | 2023-06-02 | 马鞍山瑞恒精密制造有限公司 | Converter slag trap side pressure mechanism |
| CN113000830A (en) * | 2021-02-25 | 2021-06-22 | 佟长功 | Safe refractory molten steel flow controller |
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| US5429342A (en) * | 1992-11-25 | 1995-07-04 | Stopinc Aktiengesellschaft | Slide gate nozzle including sequentially replaceable refractory sliding plates and refractory plate assembly employable therein |
| CN103525973A (en) * | 2013-09-30 | 2014-01-22 | 马鞍山利尔开元新材料有限公司 | Converter mechanism for slag blocking and steel tapping through sliding plates |
| CN103993126A (en) * | 2014-05-26 | 2014-08-20 | 马鞍山市双益机械制造有限公司 | Sliding block type converter tapping hole sliding plate slag stopping device |
| CN105234384A (en) * | 2015-10-27 | 2016-01-13 | 河南熔金高温材料股份有限公司 | Pneumatic pressurized ladle sliding nozzle mechanism |
| CN205933879U (en) * | 2016-08-24 | 2017-02-08 | 河南熔金高温材料股份有限公司 | Converter pushing off slag slide gate nozzle device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106086297A (en) | 2016-11-09 |
| WO2018036136A1 (en) | 2018-03-01 |
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