CN201900252U - Automatic steel ladle covering and uncovering system - Google Patents
Automatic steel ladle covering and uncovering system Download PDFInfo
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- CN201900252U CN201900252U CN2010202402209U CN201020240220U CN201900252U CN 201900252 U CN201900252 U CN 201900252U CN 2010202402209 U CN2010202402209 U CN 2010202402209U CN 201020240220 U CN201020240220 U CN 201020240220U CN 201900252 U CN201900252 U CN 201900252U
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Abstract
The utility model discloses an automatic steel ladle covering and uncovering system, which comprises a steel ladle cover and a steel ladle covering and uncovering mechanism, wherein a lifting roller is arranged on the steel ladle cover, the steel ladle covering and uncovering mechanism is provided with a lifting device, and the lifting device is in contact with the lifting roller. By adopting the technical scheme provided by the utility model, the automatic steel ladle covering and uncovering system solves the technical problems in the prior art that the gear shaping link in the existing automatic covering device is completely and passively inserted by the suspension hole, autonomous operation can not be achieved, the working state is extremely unstable, and the fracture is easy to occur to cause the major accident. The automatic steel ladle covering and uncovering system has the advantages of ingenious design, compact structure and high reliability, and the structural form can be changed flexibly to adapt to the needs of different steelmaking plants according to different working modes and environments of the steelmaking plant; the automatic steel ladle covering and uncovering system has high automation degree, so that the labor intensity of the workers is greatly reduced; the automatic steel ladle covering and uncovering system has low failure rate and is maintenance free.
Description
Technical field
The utility model belongs to the whole-process automatic capping device that is applied in high-temperature fusant container in the metal smelt, most popular is to be used in whole-process automatic the adding a cover of ladle in iron-making and steel-making and other metal smelt technology/the take off technical field of lid, specifically, relate to a kind of automatically covering/uncovering system of steel ladle.
Background technology
In the metal smelt technical field, particularly in the process for making, reduce thermal losses and be particularly one of energy-saving and cost-reducing important index of steel mill of metal smelt.
At present, in steelmaking process, the whole-process automatic convering system that adds of ladle is exactly that ladle reduces new technology, the new equipment that liquid steel temperature descends in transportation molten steel process.In steel-making practice, in order to give molten steel insulation, steel mill even temporarily added lid for the ladle of having adorned molten steel, and these all can not solve the fundamental requirement of ladle heat radiation.And give the whole-process automatic device of adding a cover of ladle, its energy-saving and cost-reducing effect is conspicuous, also is that steel mill wants to go up new mechanism, the new equipment because of there not being the new technology support not go up always.In fact, some steel mills have begun the ladle stamp operation already on the conticaster platform, number are 200420016376.3 to disclose a kind of " the automatic capping device of conticaster ladle " as Chinese patent application.Yet, owing to the prior art is only added a cover in the short time at continuous casting platform, and can not whole process add a cover, liquid steel temperature descends still very fast.Add to add a cover also and want various auxiliary equipment at continuous casting platform, such as driving and turning arm, like this, still do not reach requirement for the effect of molten steel insulation at all, also make this technology operability be very restricted in actual applications, come thereby this technology be difficult to be popularized, can't accomplish ladle in recycling process omnidistance covered automatically by the ladle lid or add a cover automatically to ladle take off lid.
In the prior art, Chinese patent application number be 200720000491.5 and number of patent application be 200920105666.8 two parts of patents, a kind of automatic capping device is all disclosed, comprise lid, be arranged at the coupler body of described lid side, be arranged in three suppending holes of described lid upper surface, three formations such as gear shaping rod member that cooperate with described suppending hole, but in actual use, still have many technological deficiencies:
1, automatic capping device of the prior art, adding/taking off in the process of lid, only be the operation that utilizes buggy ladle realize adding/take off lid, gear shaping rod member in the existing automatic capping device is the passive insertion of accepting suppending hole fully, the ladle lid of being opened is hung in the described gear shaping rod member, can't realize autonomous operation; The automatic capping device duty of prior art is extremely unstable, adding/take off in the process of lid, if run into big resistance, and then can't operate as normal, even lead to major accident.
2, gear shaping rod member of the prior art has only an end to be fixed on the described capping mechanism, covers/adds a cover in the process when taking off, and the fixing point of described gear shaping rod member is stressed bigger, ruptures easily, leads to major accident.
The utility model content
Technical problem to be solved in the utility model is, automatically add in the prior art/cover-taking off device, gear shaping rod member in the existing automatic capping device is the passive insertion of accepting suppending hole fully, can't realize that autonomous operation, duty are extremely unstable, and rupture easily, lead to technical problems such as major accident, and a kind of automatically covering/uncovering system of steel ladle that is applied in the metal smelt is provided.
Design of the present utility model is, relies on hoisting mechanism longitudinally, with realizing the lifting of ladle lid, in addition, changed the stressing conditions of gear shaping rod member in the prior art, increased the stability of automatically covering/uncovering system of steel ladle greatly, reduced the generation of accident.
Technical scheme provided by the utility model is, a kind of automatically covering/uncovering system of steel ladle comprises ladle lid and ladle uncovery mechanism, and described ladle covers and is provided with the lifting roller bearing, described ladle uncovery mechanism is provided with lifting device, and described lifting device contacts with described lifting roller bearing.
Described lifting device is provided with taper slide and lift cylinder, and described taper slide contacts with described lifting roller bearing.
The shape of described taper slide is " L " type, and an end in horizontal direction of described taper slide contacts with described lifting roller bearing, and an end that is vertical direction of described taper slide contacts with described lift cylinder.
Described taper slide comprise take off cover taper slide and after take off and cover taper slide, take off after described and cover taper slide length in the horizontal direction and cover taper slide less than described taking off.
Described taper slide is taper slide (a tiltedly boatswain chair).
Described automatically covering/uncovering system of steel ladle also comprises ladle, and described ladle is arranged on the buggy ladle, and described ladle shell is provided with outward extending free bearing, and the hinge hook that described free bearing and ladle cover is connected.
Adopt technical scheme provided by the utility model, can effectively solve in the prior art and add automatically/cover-taking off device, gear shaping rod member in the existing automatic capping device is the passive insertion of accepting suppending hole fully, can't realize that autonomous operation, duty are extremely unstable, and rupture easily, lead to technical problems such as major accident; And the technical solution of the utility model adopts the whole-process automatic convering system that adds of push-and-pull hinge taper slide formula ladle, also has the following advantages:
A. design ingenious, compact conformation, reliability height, be fit to very much the particularly abominable occasion of the such environment of steel mill of metal smelt.Be suitable for the transformation of old plant area or old plant area, the little steelshop in lifting station space.
B. the operating mode according to steelshop is different with environment, can change version flexibly, adapts to the needs of different steelshops.
C. automaticity height, working strength of workers reduces greatly.
D. all be rigid construction, fault rate is low, essentially no fault, nothing maintenance in 1 year.
Description of drawings
In conjunction with the accompanying drawings, the utility model is further described:
Wherein: 1 is the ladle lid; 2 is ladle uncovery mechanism; 3 for promoting roller bearing; 4 is buggy ladle; 5 is free bearing; 6 are the hinge hook; 7 is lift cylinder; 8 is taper slide.
The specific embodiment
As shown in Figure 1, technical scheme provided by the utility model is, a kind of automatically covering/uncovering system of steel ladle, comprise ladle lid 1 and ladle uncovery mechanism 2, described ladle lid 1 is provided with and promotes roller bearing 3, described ladle uncovery mechanism 2 is provided with lifting device, and described lifting device contacts with described lifting roller bearing 3; Described lifting device is provided with taper slide 8 and lift cylinder 7, and described taper slide 8 contacts with described lifting roller bearing 3; The shape of described taper slide 8 is " L " type, and an end in horizontal direction of described taper slide 8 contacts with described lifting roller bearing 3, and an end that is vertical direction of described taper slide 8 contacts with described lift cylinder 7; Described taper slide 8 comprise take off cover taper slide and after take off and cover taper slide, take off after described and cover taper slide length in the horizontal direction and cover taper slide less than described taking off; Described taper slide 8 is taper slide 8 (a tiltedly boatswain chair); Described automatically covering/uncovering system of steel ladle also comprises ladle, and described ladle is arranged on the buggy ladle 4, and described ladle shell is provided with outward extending free bearing 5, and described free bearing 5 is connected with the hinge hook 6 that ladle covers on 1.
The utility model equipment is mainly used in the whole-process automatic capping device of high-temperature fusant container in the metal smelt, and most popular is the whole-process automatic uncovery of ladle that is used in iron-making and steel-making and other metal smelt technology
The technological process of high-temperature fusant bag (ladle)
The route of high-temperature fusant bag (ladle) flow process is:
High-temperature fusant bag (ladle) is built by laying the district--oven dry--storage area--converter (or electric furnace) (1) converter (or electric furnace)--continuous casting platform--deslagging (or fall surplus steel)--high-temperature fusant bag (ladle) tipping table (2) converter (or electric furnace)--LF refining furnace--continuous casting platform--deslagging (or fall surplus steel)---ladle tipping table
(3) converter (or electric furnace)--RH refining furnace--continuous casting platform--deslagging (or fall surplus steel)---high-temperature fusant bag (ladle) tipping table
(4) converter (or electric furnace)--LF refining furnace--RH refining furnace--continuous casting platform--deslagging (or fall surplus steel)---high-temperature fusant bag (ladle) tipping table
(5) converter (or electric furnace)--RH refining furnace--LF refining furnace--continuous casting platform--deslagging (or fall surplus steel)---high-temperature fusant bag (ladle) tipping table
The technological process that high-temperature fusant bag (ladle) is added a cover
--oven dry--storage rack--baking--handling is to high-temperature fusant bag (ladle)---converter (or electric furnace) that high-temperature fusant bag (ladle) lid is built by laying the district
(1) converter (or electric furnace) lifting station--is taken off lid and--is subjected to steel and--adds a cover--continuous casting platform--deslagging (or fall surplus steel)--high-temperature fusant bag (ladle) tipping table--steel lid handling maintenance---storage rack
(2) converter (or electric furnace) lifting station--is taken off lid and--is subjected to steel and--adds a cover------continuous casting platform--deslagging (or fall surplus steel)--high-temperature fusant bag (ladle) tipping table--steel lid handling maintenance---storage rack of adding a cover (going out the LF refining furnace) of taking off lid (advancing the LF refining furnace)
(3) converter (or electric furnace) lifting station--is taken off lid and--is subjected to steel and--adds a cover------continuous casting platform--deslagging (or fall surplus steel)--high-temperature fusant bag (ladle) tipping table--steel lid handling maintenance---storage rack of adding a cover (going out the RH refining furnace) of taking off lid (advancing the RH refining furnace)
(4) converter (or electric furnace) lifting station--is taken off lid and--is subjected to steel and--adds a cover----------continuous casting platform--deslagging (or fall surplus steel)--high-temperature fusant bag (ladle) tipping table--steel lid handling maintenance---storage rack of adding a cover (going out the RH refining furnace) of taking off lid (advancing the RH refining furnace) of adding a cover (going out the LF refining furnace) of taking off lid (advancing the LF refining furnace)
(5) converter (or electric furnace) lifting station--is taken off lid and--is subjected to steel and--adds a cover----------continuous casting platform--deslagging (or fall surplus steel)--high-temperature fusant bag (ladle) tipping table--steel lid handling maintenance---storage rack of adding a cover (going out the LF refining furnace) of taking off lid (advancing the LF refining furnace) of adding a cover (going out the RH refining furnace) of taking off lid (advancing the RH refining furnace)
Hinge taper slide formula high-temperature fusant bag (ladle) adds the principle of convering system
The composition of ladle stamp system, the ladle stamp system is by: ladle lid 1; Be welded in the free bearing 5 on the ladle; Hinge hook 6 on the clad; Capping mechanism; Ladle covers 1 roaster; Tipping table hangs up the clad baffle plate; Ladle covers 1 storage rack; Hydraulic power unit; Control circuit; Deng composition
The composition of ladle stamp mechanism, ladle stamp mechanism is by: ladle lid 1; Be welded in the free bearing 5 on the ladle; Hinge hook 6 on the clad; Capping mechanism; Take off and cover taper slide (tiltedly boatswain chair); After take off and cover taper slide (tiltedly boatswain chair); Promote the lift cylinder 7 of taper slide 8; Promote roller bearing 3 on the clad; Hang compositions such as groove on the clad.
High-temperature fusant bag (ladle) is added a cover principle
Hinge taper slide (tiltedly boatswain chair) the whole-process automatic capping mechanism of formula ladle
Ladle is taken off lid
The ladle of having added a cover is hung on buggy ladle 4, and buggy ladle 4 rests on the lifting station of converter (or refining furnace).When converter (or refining furnace) will be tapped, buggy ladle 4 drives into to the converter direction, stop then, be positioned at taking off of (positioning accuracy is not very high) ladle uncovery mechanism 2 on the fixing position of ladle uncovery mechanism 2 cover taper slide (tiltedly boatswain chair) (near ladle lid 1 hinged end is that two taper slides 8 (tiltedly boatswain chair), back are a taper slide 8 (tiltedly boatswain chair), totally three taper slides 8 (oblique boatswain chair)).When buggy ladle 4 stopped, three taper slides 8 (tiltedly boatswain chair) had inserted on three lifting roller bearings 3 of ladle lid 1, and taper slide 8 (tiltedly boatswain chair) is resting on the station of taking off lid in advance under the pulling of lift cylinder 7 in advance.At this moment, lift cylinder 7 is being with taper slide 8 (tiltedly boatswain chair) upwards to promote, ladle lid 1 is risen to take off and covers station by taper slide 8 (tiltedly boatswain chair), ladle hinge hook 6 on the ladle lid 1 separates with ladle free bearing 5, ladle lid 1 rests on the taper slide 8 (tiltedly boatswain chair), buggy ladle 4 continues to run until that converter removes to be subjected to steel, finishes ladle and takes off the lid operation.
Ladle stamp
Buggy ladle 4 after being subjected to steel is when lifting station moves, and hydraulic system is under PLC control, and taper slide 8 (tiltedly boatswain chair) ladle that plays in advance covers 1 and drops to the ladle stamp station.The characteristics of this station are that hinge hook 6 anterior lips on the ladle lid 1 just in time are lower than 5 of ladle free bearings.When buggy ladle 4 passes through uncovery mechanism, the anterior lip that hangs over the hinge hook 6 on the ladle lid 1 on the uncovery mechanism is lower than 5 of ladle free bearings, ladle lid 1 is left behind from taper slide 8 (tiltedly boatswain chair) by ladle free bearing 5, just in time cover on ladle, ladle lid 1 hinge hook 6 drops simultaneously on ladle free bearing 5, finishes the operation of ladle stamp.
So the taper slide 8 of hinge taper slide (tiltedly boatswain chair) formula ladle stamp mechanism (tiltedly boatswain chair) has three stations: take off in advance and cover station, take off and cover station, add a cover station.
When ladle lid 1 needed repairing, the hook that hangs on the ladle lid 1 by driving took off from ladle.
Hinge taper slide (tiltedly boatswain chair) whole-process automatic capping mechanism use occasion of formula ladle and configuration hinge taper slide (tiltedly boatswain chair) the whole-process automatic capping mechanism of formula ladle are suitable for the cover process that adds of elevated temperature vessel in all smelting processes.All have ample scope for one's abilities in industries such as steel-making, copper metallurgys.
The configuration of ladle stamp mechanism in process for making: fall lifting stations such as surplus steel station in each converter, electric furnace, LF refining furnace, RH refining furnace (comprising double) and all respectively adorn a uncovery mechanism (seeing figure); According to the online amount of recycling of ladle, increase new block ladle and cover 1 roaster; Ladle covers 1 storage rack; Ladle tipping table baffle plate (also wanting oil cylinder driving sideboard in case of necessity).
The direct benefit that whole-process automatic ladle stamp technology is brought
(1) cooling of molten steel in the minimizing ladle, the molten steel tapping temperature can reduce, and reduces the energy and supplies consumption.
(2) in case ladle enters online recycling, the ladle online baking device between the heat can be exempted.
(3) the online turn around time of ladle can be accelerated, and reduces the online usage quantity of ladle.With 150 tons of ladles is example, reduces by an online ladle, can save 2,720,000 yuans in 1 year.
(4) reduce the temperature fluctuation of molten steel in ladle, tundish and crystallizer, improve casting quality.
(5) exempt in the casting process auxiliary heating to tundish.
(6) recovery rate of iron is more stable, reduces the generation of the steel scrap in the ladle.
(7) the free casting rate of raising steel ladle sliding water gap
(8) owing to high insulating effect, the liner crust is few, reduces the cleaning demand to the edge and the slag line of ladle, has reduced the mechanical damage to ladle liner when cleaning.
(9) reduce labour intensity and the protection of raising personal security.
The economic benefit that whole-process automatic ladle stamp technology is brought
(1) the online ladle quantity that recycles reduces, if be 150 tons ladle, one of the every minimizing of online quantity brought the benefit of 2,720,000 yuan RMB in 1 year to steel mill.
(2) owing to the reduction of molten steel tapping temperature, the molten steel oxidation degree just diminishes, and has reduced the consumption of deoxidier.
(3) reduced the erosion of the refractory lining of converter and ladle, converter and ladle use the heat amount to increase, and have prolonged service life.Originally ladle uses heat to be 14-16 time, is 30-32 time now.
(4) time cycle of whole process for making operation is shortened, and has improved the efficient of steel-making.
(5) potential steelshop productivity ratio obtains greatly to improve.
(6) steelshop labour's demand is reduced.Through measuring and calculating, reduction is between 10%-16%.
(7) operating space of ladle service area can reduce to original 25%--30%.
(8) different according to appointed condition, operating environment and the managerial skills of steel mill adopt whole-process automatic ladle stamp system, can reduce expenses to be 23-68 unit/per ton.
(9) waste material in the steelmaking process significantly reduces, as byproducts such as additive, reactant and fire-resistant waste product etc.
(10) because ladle is added a cover, heat waste reduces, and can reduce tapping temperature.Just can use the low molten steel of silicon content, silicon content is low can be increased the productivity ratio of blast furnace and reduce coke ratio.
(11) reduce tapping temperature, just can reduce the mixing ratio between molten iron and the steel scrap.The every reduction of tapping temperature once, this mixing ratio just reduces 0.054%.
(12) reduce tapping temperature and can increase recovery rate of iron, because reduced the amount of the iron that is oxidized to FeO, these oxidized FeO enter in the slag at last.According to test, the every reduction of tapping temperature once, recovery rate of iron just increases by 0.02%.
(13) reduced aluminium consumption, the every reduction of molten steel per ton once, aluminium consumption reduces 0.045Kg.
(14) the cold melt process can reduce the flowability of slag in the converter, thereby reduces the quantity of slag down.
(15), make the prolongation in service life of the anti-material of ladle, and can cancel coverture because the insulation of ladle stamp.
(16) ladle bottom blob of slag crust thickness is reduced to minimumly, and this has just improved the performance of air brick and slide gate nozzle.
(17) behind the ladle stamp, ladle edge skull thickness becomes minimum, and this will increase output 0.25%--0.5%.
(18) degree of superheat that is fit to during continuous casting can reduce the phenomenon that the aluminium field trash stops up the mouth of a river, can improve the performance and the quality of continuous casting thus.Guarantee the process of continuous casting.
By the actual measurement at steel mill, the economic data of above reduction effect can draw:
Omnidistance ladle adds convering system automatically to behind the ladle stamp, can make tapping temperature reduce by 6 ℃--and 15 ℃, thus reduced process cost and process energy consumption,
Reduce by 8 ℃ with tapping temperature, producing steel per ton per year behind the employing ladle stamp device is 19.12 yuan/ton/years to the direct economic benefit that steel mill can bring.If produce 1000000 tons of steel per year, then direct economic benefit is: 1,912 ten thousand yuan/year.
Below only be most preferred embodiment of the present utility model, any deformation design on the basis of the present invention's design all belongs to protection scope of the present invention.
Claims (6)
1. automatically covering/uncovering system of steel ladle, comprise ladle lid (1) and ladle uncovery mechanism (2), it is characterized in that described ladle lid (1) is provided with and promotes roller bearing (3), described ladle uncovery mechanism (2) is provided with lifting device, and described lifting device contacts with described lifting roller bearing (3).
2. automatically covering/uncovering system of steel ladle according to claim 1 is characterized in that, described lifting device is provided with taper slide (8) and lift cylinder (7), and described taper slide (8) contacts with described lifting roller bearing (3).
3. automatically covering/uncovering system of steel ladle according to claim 2, it is characterized in that, the shape of described taper slide (8) is " L " type, an end in horizontal direction of described taper slide (8) contacts with described lifting roller bearing (3), and an end that is vertical direction of described taper slide (8) contacts with described lift cylinder (7).
4. according to any described automatically covering/uncovering system of steel ladle of claim 2-3, it is characterized in that, described taper slide (8) comprise take off cover taper slide and after take off and cover taper slide, take off after described and cover taper slide length in the horizontal direction and cover taper slide less than described taking off.
5. automatically covering/uncovering system of steel ladle according to claim 4 is characterized in that, described taper slide (8) is oblique boatswain chair.
6. automatically covering/uncovering system of steel ladle according to claim 5, it is characterized in that, described automatically covering/uncovering system of steel ladle also comprises ladle, described ladle is arranged on the buggy ladle (4), described ladle shell is provided with outward extending free bearing (5), and described free bearing (5) is connected with the hinge hook (6) that ladle covers on (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202402209U CN201900252U (en) | 2010-06-28 | 2010-06-28 | Automatic steel ladle covering and uncovering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202402209U CN201900252U (en) | 2010-06-28 | 2010-06-28 | Automatic steel ladle covering and uncovering system |
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| CN201900252U true CN201900252U (en) | 2011-07-20 |
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| CN2010202402209U Expired - Lifetime CN201900252U (en) | 2010-06-28 | 2010-06-28 | Automatic steel ladle covering and uncovering system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554202A (en) * | 2012-03-26 | 2012-07-11 | 陈韦玮 | Multifunctional cover closing and removing device for foundry ladle |
| CN103192066A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | Online molten iron capping and heat-preservation method for molten iron transportation |
| CN103223483A (en) * | 2013-04-20 | 2013-07-31 | 马鞍山市双益机械制造有限公司 | Opening and closing device for steel ladle lid |
| CN103288020A (en) * | 2013-04-23 | 2013-09-11 | 大连理工大学 | Manual operation vehicle-mounted iron ladle uncovering mechanism device |
| CN103464731A (en) * | 2012-06-06 | 2013-12-25 | 江苏迪萨机械有限公司 | Electro-hydraulic drive M-shaped steel ladle capping and decapping device |
| CN104607625A (en) * | 2015-01-29 | 2015-05-13 | 北京研博新创科技发展有限公司 | Track bracket type steel ladle cover adding and removing device |
| CN106041039A (en) * | 2016-07-18 | 2016-10-26 | 北京首钢国际工程技术有限公司 | Automatic steel ladle covering and uncovering device |
| CN106086316A (en) * | 2016-08-17 | 2016-11-09 | 中国重型机械研究院股份公司 | A kind of molten steel vacuum degassing furnace online steel ladle covering/uncovering system and method |
| CN110918958A (en) * | 2019-12-12 | 2020-03-27 | 四川德胜集团钒钛有限公司 | Converter continuous casting ladle whole-course capping device |
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2010
- 2010-06-28 CN CN2010202402209U patent/CN201900252U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554202A (en) * | 2012-03-26 | 2012-07-11 | 陈韦玮 | Multifunctional cover closing and removing device for foundry ladle |
| CN102554202B (en) * | 2012-03-26 | 2013-12-11 | 南通市煌埔机械制造有限公司 | Multifunctional cover closing and removing device for foundry ladle |
| CN103464731A (en) * | 2012-06-06 | 2013-12-25 | 江苏迪萨机械有限公司 | Electro-hydraulic drive M-shaped steel ladle capping and decapping device |
| CN103192066B (en) * | 2013-04-12 | 2015-08-05 | 北京首钢国际工程技术有限公司 | Heat preserving method added a cover by the online hot-metal bottle of a kind of Molten Iron Transportation |
| CN103192066A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | Online molten iron capping and heat-preservation method for molten iron transportation |
| CN103223483A (en) * | 2013-04-20 | 2013-07-31 | 马鞍山市双益机械制造有限公司 | Opening and closing device for steel ladle lid |
| CN103223483B (en) * | 2013-04-20 | 2016-08-24 | 马鞍山市双益机械制造有限公司 | A kind of steel ladle covering/uncovering device |
| CN103288020A (en) * | 2013-04-23 | 2013-09-11 | 大连理工大学 | Manual operation vehicle-mounted iron ladle uncovering mechanism device |
| CN103288020B (en) * | 2013-04-23 | 2014-12-10 | 大连理工大学 | Manual operation vehicle-mounted iron ladle uncovering mechanism device |
| CN104607625A (en) * | 2015-01-29 | 2015-05-13 | 北京研博新创科技发展有限公司 | Track bracket type steel ladle cover adding and removing device |
| CN106041039A (en) * | 2016-07-18 | 2016-10-26 | 北京首钢国际工程技术有限公司 | Automatic steel ladle covering and uncovering device |
| CN106086316A (en) * | 2016-08-17 | 2016-11-09 | 中国重型机械研究院股份公司 | A kind of molten steel vacuum degassing furnace online steel ladle covering/uncovering system and method |
| CN110918958A (en) * | 2019-12-12 | 2020-03-27 | 四川德胜集团钒钛有限公司 | Converter continuous casting ladle whole-course capping device |
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