CN105861779B - The Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace and lifting column - Google Patents
The Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace and lifting column Download PDFInfo
- Publication number
- CN105861779B CN105861779B CN201610391631.XA CN201610391631A CN105861779B CN 105861779 B CN105861779 B CN 105861779B CN 201610391631 A CN201610391631 A CN 201610391631A CN 105861779 B CN105861779 B CN 105861779B
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- CN
- China
- Prior art keywords
- sprocket wheel
- water cooled
- cover
- cooled cover
- water
- 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.)
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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
-
- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1808—Removable covers
Abstract
The present invention provides a kind of Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace and lifting column, including carries suspension mechanism and connector, carries suspension mechanism and is connected by connector with water cooled cover, and provides direction upward pulling force for water cooled cover.The present invention provides direction upward pulling force by carrying suspension mechanism for water cooled cover, gravity and downward inertia resistance suffered by water cooled cover itself can be balanced, simultaneously, because water cooled cover and lifting column have annexation, therefore, carry and be connected in lifting column and provide the upward pulling force in direction between the pulling force of suspension mechanism offer, prevent water cooled cover and lifting column due to unbalance by larger down force, the phenomenon toppled, so as to ensure being smoothed out for whole converter steelmaking process flow.
Description
Technical field
The present invention relates to ladle refining furnace equipment technical field, more particularly to a kind of Water-cooling furnace cover of ladle refining furnace and lifting
The Overthrow preventing device of column.
Background technology
" converter-refining-continuous casting " is a kind of typical converter steelmaking process flow, LF（Ladle Furnace, ladle
Refining）Stove there is heating, deoxidation, desulfurization, alloy the function such as to finely tune as the buffer device between converter, conticaster, meanwhile,
Argon stirring flow can make Chemical Components of Liquid Steel and temperature uniform in LF stoves, improve steel-making quality, and therefore, LF stoves are steel-making enterprise lifes
The key equipment of variety steel is produced, to converter, conticaster matching production, it is very important to realize that sequence casting has the function that.
Fig. 1 is refer to, show LF furnace structure schematic diagrames.In Fig. 1, water cooled cover 1 is one of key equipment of LF stoves, position
Above ladle 2, centre is provided with three electrode-inserting holes 5, for inserting the three-phase electrode of submerged arc heating, and leads to equipped with flue dust collecting
Road（It is not shown）With the auxiliary equipment such as feed opening 4.Before steel-making, ladle Transport Desk that ladle need to be from stokehold by traveling crane to LF stoves
Che Shang；During smelting, fall the cover of water cooled cover 1 and be buckled in the realization sealing suitable for reading of ladle 2, so as to keep reproducibility good in ladle 2
Atmosphere, while have and reduce molten steel 3 and radiate and good flue dust collecting function, now, relevant staff can be in feed opening 4
By aluminium, alloy material etc., other raw materials such as slag making materials and foaming agent are thrown by feed opening 4 on a small quantity on neighbouring operating platform 7
Put into ladle 2, the functions such as deoxidation, desulfurization and alloy fine setting are realized by the confined reaction in ladle 2, can also be under
Material mouth 4 carries out thermometric and sampling.
To realize the sealing function of water cooled cover 1, water cooled cover 1 is furnished with independent elevating mechanism, and elevating mechanism can be
Water cooled cover 1 is risen in the disengaging of ladle 2 when smelting station, ladle 2 is moved into falls water cooled cover 1 to after smelting station.Elevating mechanism
Typically it is made up of lifting column 6, guider and hydraulic cylinder, guider makes it in vertical side to the forced guiding of lifting column 6
To up and down action.Water cooled cover 1 and lifting column 6 form a kind of Γ shapes cantilever design, because the weight of water cooled cover 1 is big（Typically
More than ten tons）, therefore, water cooled cover 1 forms great tilting moment to lifting column；In addition, in the acceleration of water cooled cover 1
Downward inertia resistance is produced when rising, and, the additional force that water cooled cover 1 trembles formation in operation process can also increase to rising
The active force of column is dropped, easily causes lifting column and water cooled cover 1 to topple together, causes the damage of LF stoves, influence normal life
Produce operation.
The content of the invention
It is an object of the present invention to overcome the deficiencies in the prior art, there is provided a kind of Water-cooling furnace cover of ladle refining furnace and liter
The Overthrow preventing device of column drops.
In order to solve the above technical problems, the technical scheme is that：
A kind of Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace and lifting column, described device include connector and carry extension
Mechanism, the suspension mechanism that carries are connected by the connector with the water cooled cover, and for the water cooled cover provide direction to
On pulling force.
The present invention provides direction upward pulling force by carrying suspension mechanism for water cooled cover, and the pulling force can balance out water cooling
Gravity suffered by bell itself and a part for downward inertia resistance, connect simultaneously as water cooled cover and lifting column have
Relation is connect, therefore, carries and is connected in lifting column and provides the upward pulling force in direction between the pulling force of suspension mechanism offer, so as to prevent water cooling
Bell and lifting column by larger due to being toppled downwards active force and disequilibrium, the final phenomenon toppled, so that
Ensure being smoothed out for whole converter steelmaking process flow.
Preferably, the suspension mechanism that carries includes preceding sprocket wheel and balance weight body, wherein, the preceding sprocket wheel is fixed on the water cooling stove
The top of lid, and the maximum normal distance of the preceding sprocket wheel lower edge to the water cooled cover top edge is more than the water cooled cover
Lifting distance；The balance weight body is connected by the connector with the preceding sprocket wheel；The connector is chain, and the chain
One end of bar connects the water cooled cover, and the other end of the chain connects the balance weight body.
Preceding chain take turns to water cooled cover distance be more than water cooled cover range, no matter water cooled cover be at the highest notch,
Minimum point or therebetween, preceding sprocket wheel is respectively positioned on the top of water cooled cover, so that it is guaranteed that the active force for proposing suspension mechanism offer is
The upward pulling force in direction.
Balance weight body by self gravitation due to being acted on so that the connector being connected with balance weight body is acted on downwards
Power, because preceding sprocket wheel has the function that to change Impact direction, therefore, the water cooled cover with balance weight body relative position is then by counterweight
The upward active force in direction that body applies indirectly, so as to prevent water cooled cover and lifting column due to by larger downward effect
Power and disequilibrium, the final phenomenon toppled.
Chain is generally metal material, not easy to break, damage during the larger balance weight body of connection weight.One end connection of chain
Water cooled cover, the other end connect the balance weight body, and the centre of chain is connected to preceding sprocket wheel so that water cooled cover, balance weight body and preceding
Sprocket wheel turns into an entirety, and balance weight body is force side, and water cooled cover is stress side.
Preferably, described device also includes the rear sprocket wheel being arranged between the preceding sprocket wheel and the balance weight body, and described
Sprocket wheel is located at the both sides of the preceding sprocket wheel with the water cooled cover respectively afterwards；Sprocket wheel passes through connector and the preceding sprocket wheel after described
And the balance weight body connection.
The load capacity of sprocket wheel before sprocket wheel can be shared to a certain extent afterwards, preceding sprocket wheel and rear sprocket wheel complete counterweight jointly
Body carries and the steering of power.
Preferably, the rear sprocket wheel is arranged at the lower section of operating platform.
Sprocket wheel is located at the lower section of operating platform afterwards, i.e., in vertical height, operating platform upper, rear sprocket wheel under, in order to avoid
Sprocket wheel hinders operator in operating platform transport, throwing raw materials and other normal operation activities afterwards.
Preferably, the suspension mechanism that carries also includes being arranged at the water cooled cover edge and close to the extension of the preceding sprocket wheel side
Frame, the hanger are connected by the connector with the preceding sprocket wheel.
Preceding sprocket wheel is connected by connector with hanger, rather than is directly connected with water cooled cover, reduces water cooled cover outer wall
Active force in unit area, so as to avoid water cooled cover from being damaged because being subjected to concentrating active force for a long time, and then ensure steel-making
It is normally carried out, while reduces unnecessary economic loss.
Preferably, described device includes carrying suspension mechanism described in two sets, and carries suspension mechanism described in two sets and be respectively arranged at blanking
The both sides of mouth.
Technical scheme provided in an embodiment of the present invention can include following beneficial effect：
The present invention provides a kind of Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace and lifting column, and described device includes carrying
Suspension mechanism and connector, the suspension mechanism that carries are connected by the connector with the water cooled cover, and are the water cooled cover
There is provided direction upward pulling force.The present invention provides direction upward pulling force by carrying suspension mechanism for water cooled cover, and the pulling force can
To balance gravity and downward inertia resistance suffered by water cooled cover itself, simultaneously as water cooled cover and lifting column have
Annexation, therefore, carry and be connected in lifting column and provide the upward pulling force in direction between the pulling force of suspension mechanism offer, prevent water cooling stove
Due to the disequilibrium by larger down force, the phenomenon finally toppled is whole so as to ensure for lid and lifting column
Individual converter steelmaking process flow is smoothed out.In addition, connector can ensure while water cooled cover lifting is effectively adapted to
The pulling force for proposing suspension mechanism offer effectively acts on water cooled cover.
Brief description of the drawings
, below will be to embodiment or existing for the clearer explanation embodiment of the present invention or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it is clear that, to those skilled in the art, not
On the premise of paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is LF furnace structure schematic diagrames；
Fig. 2 is that a kind of structure of the Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace and lifting column provided by the invention is shown
It is intended to；
Fig. 3 is the structure of the Overthrow preventing device of another Water-cooling furnace cover of ladle refining furnace and lifting column provided by the invention
Schematic diagram；
In figure：
1- water cooled covers, 2- ladles, 3- molten steel, 4- feed openings, the electrode-inserting holes of 5- tri-, 6- lifting columns, 7- operations are flat
Platform, 8- connectors, 9- carry suspension mechanism, sprocket wheel before 91-, 92- balance weight bodies, sprocket wheel after 93-, 94- hangers.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is purged, is fully described by, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, art technology
The every other embodiment that personnel are obtained under the premise of creative work is not made, it should all belong to the protection model of the present invention
Enclose.
Fig. 2 is refer to, show the overturn-preventing of a kind of Water-cooling furnace cover of ladle refining furnace and lifting column provided by the invention
The structural representation of device.
As shown in Figure 2, the present invention provides a kind of Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace and lifting column, described
Device includes carrying suspension mechanism 9 and connector 8, and the suspension mechanism 9 that carries is connected by the connector 8 with the water cooled cover 1, and
There is provided direction upward pulling force for the water cooled cover 1.
In the present embodiment, connector 8 can be high resiliency material connector, and its telescopic extensions should be with the liter of water cooled cover 1
Drop height is adapted, and in the range of water cooled cover 1, connector 8 keeps extended state, and now, carrying suspension mechanism 9 can
To be only simple fixture, the upward pulling force in direction by connector 8 flexible offer；Connector 8 can also be stretched
The connector of contracting material, now, it can be the part that upward pulling force is provided for connector 8 to carry suspension mechanism 9, to water cooled cover 1
Active force is by connector 8 and carries suspension mechanism 9 and adjusts jointly.
The present invention provides direction upward pulling force by carrying suspension mechanism 9 for water cooled cover 1, and the pulling force can balance water cooling
Gravity and downward inertia resistance suffered by bell 1 itself, simultaneously as there is connection to close for water cooled cover 1 and lifting column 6
System, therefore, carry and be connected in lifting column 6 and provide the upward pulling force in direction between the pulling force of the offer of suspension mechanism 9, prevent water cooled cover 1
With lifting column 6 because the disequilibrium by larger down force, the final phenomenon toppled are whole so as to ensure
Converter steelmaking process flow is smoothed out.In addition, connector 8 effectively can adapt to ensure while water cooled cover 1 lifts
The pulling force for proposing the offer of suspension mechanism 9 effectively acts on water cooled cover 1.
Fig. 3 is refer to, show the anti-dumping of another Water-cooling furnace cover of ladle refining furnace and lifting column provided by the invention
The structural representation of coating device.
From the figure 3, it may be seen that the suspension mechanism 9 that carries includes preceding sprocket wheel 91 and balance weight body 92, wherein, the preceding sprocket wheel 91 is fixed on
The top of the water cooled cover 1, and the maximum normal distance of the lower edge of preceding sprocket wheel 91 to the top edge of water cooled cover 1 is big
In the lifting distance of the water cooled cover 1；The balance weight body 92 is slidably connected by the connector 8 and the preceding sprocket wheel 91.
In the present embodiment, preceding sprocket wheel 91 is arranged at the top of water cooled cover 1, and the lower edge of preceding sprocket wheel 91 is to the water
The maximum normal distance of the top edge of black furnace lid 1 is more than the lifting distance of the water cooled cover 1.It is, no matter at water cooled cover 1
In peak, minimum point or therebetween, preceding sprocket wheel 91 is respectively positioned on the top of water cooled cover 1, is carried so that it is guaranteed that carrying suspension mechanism 9
The active force of confession is the upward pulling force in direction.Balance weight body 92 is connected by the connector 8 with the preceding sprocket wheel 91, that is, is connected
Fitting 8 connects water cooled cover 1, preceding sprocket wheel 91 and balance weight body 92 respectively, i.e. water cooled cover 1 and balance weight body 92 is located at preceding chain respectively
The both sides of wheel 91.Balance weight body 92 by self gravitation due to being acted on so that the connector 8 being connected with balance weight body 92 by
Lower active force, because preceding sprocket wheel 91 has the function that to change Impact direction, therefore, the water cooled cover with the relative position of balance weight body 92
The upward active force in 1 direction applied indirectly by balance weight body 92, so as to prevent water cooled cover 1 and lifting column 6 due to by
To larger down force and disequilibrium, the final phenomenon toppled.
Further, the connector 8 is chain, and one end of the chain connects the water cooled cover 1, the chain
The other end connects the balance weight body 92.Connector 8 can also be the part that assembly pulley, steel wire rope etc. have the effect that is slidably connected.
The balance weight body 92 is connected as connector, one end connection water cooled cover 1 of chain, the other end from chain in the present embodiment,
The centre of chain is also connected with preceding sprocket wheel 91 so that water cooled cover 1, balance weight body 92 and preceding sprocket wheel 91 turn into an entirety, counterweight
Body 92 is force side, and water cooled cover 1 is stress side.
Further, described device also includes the rear sprocket wheel 93 being arranged between the preceding sprocket wheel 91 and the balance weight body 92,
And the rear sprocket wheel 93 is located at the both sides of the preceding sprocket wheel 91 with the water cooled cover 1 respectively；Sprocket wheel 93 passes through connection after described
Part 8 and the preceding sprocket wheel 91 and the dynamic connection of the balance weight body 92.
The present embodiment is additionally provided with rear sprocket wheel 93, and water cooled cover 1, preceding sprocket wheel 91, rear sprocket wheel 93 and balance weight body 92 are logical
Connector 8 is crossed to connect.The load capacity of sprocket wheel 91, preceding sprocket wheel 91 and rear sprocket wheel before sprocket wheel 93 can be shared to a certain extent afterwards
93 common completion balance weight bodies 92 carry and the steering of power.The horizontal range between sprocket wheel 93 and preceding sprocket wheel 91 should make balance weight body afterwards
92, as far as possible away from ladle 2, prevent balance weight body 92 from blocking the upper end of ladle 2, influence the normal operating of steel-making.
Further, the rear sprocket wheel 93 can be arranged at the lower section of operating platform 7.In general, operating platform 7 are located at blanking
Near mouth 4, i.e., the pipeline opening position of pipe material 4, easy to operation in the same horizontal line of the pipeline opening of feed opening 4 or slightly less than
Raw material is thrown in ladle 2 by worker on operating platform 7 by feed opening 4.Sprocket wheel 93 is flat positioned at operation after in the present embodiment
The lower section of platform 7, i.e., in vertical height, operating platform 7 is upper, and rear sprocket wheel 93 is under, in case rear sprocket wheel 93 hinders operator
Transport in operating platform 7, throwing raw materials and other normal operation activities.
Suspension mechanism 9 is carried in the present embodiment also to be included being arranged at the edge of water cooled cover 1 and close to the preceding side of sprocket wheel 91
Hanger 94, the hanger 94 is connected by the connector 8 with the preceding sprocket wheel 91.Hanger 94 is arranged at water in the present embodiment
The marginal position of black furnace lid 1, preceding sprocket wheel 91 is connected by connector 8 with hanger 94, rather than is directly connected with water cooled cover 1,
Prevent due to the force localization of connector 8 act on outside water cooled cover 1 a little or very low range and water cooled cover 1 is existed
Damaged during overturning-preventing, and then ensure being normally carried out for steel-making, while reduce unnecessary economic loss.
Further, described device includes carrying suspension mechanism 9 described in two sets, and suspension mechanism 9 is carried described in two sets and is respectively arranged at down
The both sides of material mouth 4, feed opening 4 and the periphery of feed opening 4 are not influenceed while suspension mechanism 9 reaches overturn-preventing effect to ensure to carry
Normal operation.Certainly, Overthrow preventing device provided by the invention is not limited to carry suspension mechanism 9 described in two sets, can also be according to reality
Situation, which suitably increases or decreases, puies forward the quantity of suspension mechanism 9, as long as ensureing that carrying suspension mechanism 9 can stablize, be effectively accomplished overturn-preventing effect
Fruit.Meanwhile suspension mechanism 9 is carried described in symmetrically arranged two sets, the stability of whole Overthrow preventing device can be increased, prevented out
The phenomenon of existing discontinuity equalization, to obtain more preferable overturn-preventing effect.
The present invention provides direction upward pulling force by carrying suspension mechanism 9 for water cooled cover 1, and the pulling force can balance out water
Gravity suffered by black furnace lid 1 itself and a part for downward inertia resistance, simultaneously as water cooled cover 1 and lifting column 6 have
There is annexation, therefore, carry and be connected in lifting column 6 and provide the upward pulling force in direction between the pulling force of the offer of suspension mechanism 9, prevent water
Black furnace lid 1 and lifting column 6 by larger due to being toppled downwards active force and disequilibrium, the final phenomenon toppled,
So as to ensure being smoothed out for whole converter steelmaking process flow.
Described above is only the embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as this hair
Bright protection domain.
Claims (5)
1. the Overthrow preventing device of a kind of Water-cooling furnace cover of ladle refining furnace and lifting column, it is characterised in that described device includes connecting
Fitting（8）With carry suspension mechanism（9）, it is described to carry suspension mechanism（9）Pass through the connector（8）With the water cooled cover（1）It is connected, and
For the water cooled cover（1）There is provided direction upward pulling force；It is described to carry suspension mechanism（9）Including preceding sprocket wheel（91）And balance weight body
（92）, wherein,
The preceding sprocket wheel（91）It is fixed on the water cooled cover（1）Top, and the preceding sprocket wheel（91）Lower edge is to the water
Black furnace lid（1）The maximum normal distance of top edge is more than the water cooled cover（1）Lifting distance；
The balance weight body（92）Pass through the connector（8）With the preceding sprocket wheel（91）Connection；
The connector（8）For chain, and one end of the chain connects the water cooled cover（1）, the other end of the chain
Connect the balance weight body（92）.
2. the Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace according to claim 1 and lifting column, it is characterised in that
Described device also includes being arranged at the preceding sprocket wheel（91）With the balance weight body（92）Between rear sprocket wheel（93）, and the rear chain
Wheel（93）With the water cooled cover（1）It is located at the preceding sprocket wheel respectively（91）Both sides；
Sprocket wheel after described（93）Pass through connector（8）With the preceding sprocket wheel（91）And the balance weight body（92）Connection.
3. the Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace according to claim 2 and lifting column, it is characterised in that
Sprocket wheel after described（93）It is arranged at operating platform（7）Lower section.
4. the Overthrow preventing device of the Water-cooling furnace cover of ladle refining furnace and lifting column according to claim any one of 1-3, its
It is characterised by, it is described to carry suspension mechanism（9）Also include being arranged at the water cooled cover（1）Edge and the close preceding sprocket wheel（91）Side
Hanger（94）, the hanger（94）Pass through the connector（8）With the preceding sprocket wheel（91）It is connected.
5. the Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace according to claim 1 and lifting column, it is characterised in that
Described device includes carrying suspension mechanism described in two sets（9）, and carry suspension mechanism described in two sets（9）It is respectively arranged at feed opening（4）Two
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391631.XA CN105861779B (en) | 2016-06-06 | 2016-06-06 | The Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace and lifting column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391631.XA CN105861779B (en) | 2016-06-06 | 2016-06-06 | The Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace and lifting column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105861779A CN105861779A (en) | 2016-08-17 |
| CN105861779B true CN105861779B (en) | 2018-03-27 |
Family
ID=56676889
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610391631.XA Active CN105861779B (en) | 2016-06-06 | 2016-06-06 | The Overthrow preventing device of Water-cooling furnace cover of ladle refining furnace and lifting column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105861779B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2454741Y (en) * | 2000-08-16 | 2001-10-17 | 陈存运 | Novel ladle refining furnace |
| CN201255570Y (en) * | 2008-07-28 | 2009-06-10 | 中冶京诚工程技术有限公司 | Compact AC arc furnace |
| CN101665850A (en) * | 2009-10-14 | 2010-03-10 | 雷森田 | Device for heating and smelting sponge iron, separating iron slag and refining molten steel |
| CN201463580U (en) * | 2009-08-19 | 2010-05-12 | 中冶赛迪工程技术股份有限公司 | Lifting device |
| CN205662533U (en) * | 2016-06-06 | 2016-10-26 | 山东钢铁股份有限公司 | Prevent overtum equipment of ladle refining furnace water cooled cover and lift stand |
-
2016
- 2016-06-06 CN CN201610391631.XA patent/CN105861779B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2454741Y (en) * | 2000-08-16 | 2001-10-17 | 陈存运 | Novel ladle refining furnace |
| CN201255570Y (en) * | 2008-07-28 | 2009-06-10 | 中冶京诚工程技术有限公司 | Compact AC arc furnace |
| CN201463580U (en) * | 2009-08-19 | 2010-05-12 | 中冶赛迪工程技术股份有限公司 | Lifting device |
| CN101665850A (en) * | 2009-10-14 | 2010-03-10 | 雷森田 | Device for heating and smelting sponge iron, separating iron slag and refining molten steel |
| CN205662533U (en) * | 2016-06-06 | 2016-10-26 | 山东钢铁股份有限公司 | Prevent overtum equipment of ladle refining furnace water cooled cover and lift stand |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105861779A (en) | 2016-08-17 |
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