CN207280172U - Electric furnace arrangement for producing steel - Google Patents
Electric furnace arrangement for producing steel Download PDFInfo
- Publication number
- CN207280172U CN207280172U CN201721332065.1U CN201721332065U CN207280172U CN 207280172 U CN207280172 U CN 207280172U CN 201721332065 U CN201721332065 U CN 201721332065U CN 207280172 U CN207280172 U CN 207280172U
- Authority
- CN
- China
- Prior art keywords
- furnace
- electrode
- furnace body
- type water
- pipe
- 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.)
- Active
Links
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a kind of electric furnace arrangement for producing steel, for refining steel, including furnace body, the pipe-type water-cooling bell being arranged on furnace body, electrode group and water-cooling system, furnace cover lifting rotating mechanism is connected with pipe-type water-cooling bell, electrode group is through pipe-type water-cooling bell and stretches into furnace body, electrode lifting mechanism is connected with the top of electrode group, electrode lifting mechanism is fixedly connected on furnace cover lifting rotating mechanism, electrode lifting mechanism can drive electrode group to rise or fall, sidewall of the furnace body, pipe-type water-cooling bell and electrode lifting mechanism are connected with water-cooling system, bottom of furnace body is equipped with furnace tilting mechanism, furnace body side is equipped with discharge port, discharge outlet is equipped with material conveyor, furnace body can be tilted a certain angle by furnace tilting mechanism to discharge port side.A kind of electric furnace arrangement for producing steel of the utility model has the characteristics that compact-sized reasonable, good cooling results, the degree of automation height and steel smelting efficiency are high.
Description
Technical field
Steelmaking equipment technical field is the utility model is related to, in particular to a kind of electric furnace arrangement for producing steel.
Background technology
Electric furnace arrangement for producing steel be by graphite electrode into electrical arc furnace inputing power, sent out between electrode tip and furnace charge
Raw electric arc is made steel for heat source.Electric arc furnaces stove body temperature during production is higher, and the higher temperature in furnace body passes
Pass furnace wall and bell, the temperature of furnace wall and bell is also higher, furnace wall and the bell work influence under the prolonged condition of high temperature
Its service life, in the prior art, the cooling-down effect of electric arc furnaces are not good enough, and furnace body temperature reduction is slower, easily causes environment temperature
Degree is higher, reduces the physical life of bell.
In addition, the degree of automation of electric furnace arrangement for producing steel of the prior art is relatively low, since electric furnace arrangement for producing steel is in high temperature ring
Work under border, therefore steel and the furnace body temperature during work are higher, if manual operation, easily cause danger, and
Manually-operated production efficiency is relatively low.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem to a certain extent.
In view of this, the utility model provides a kind of electric furnace arrangement for producing steel, which is used to refine steel, it has
There is the features such as compact-sized reasonable, good cooling results, the degree of automation are high and steel smelting efficiency is high.
In order to solve the above technical problems, the utility model provides a kind of electric furnace arrangement for producing steel, including furnace body, it is arranged on the stove
Pipe-type water-cooling bell, electrode group and water-cooling system on body, are connected with furnace cover lifting rotating mechanism on the pipe-type water-cooling bell,
The electrode group is through the pipe-type water-cooling bell and stretches into the furnace body, and electrode positioning mechanism is connected with the top of the electrode group
Structure, the electrode lifting mechanism are fixedly connected on the furnace cover lifting rotating mechanism, and the electrode lifting mechanism can drive institute
Electrode group is stated to rise or fall, the sidewall of the furnace body, the pipe-type water-cooling bell and the electrode lifting mechanism with the water
Cooling system connects, and the bottom of furnace body is equipped with furnace tilting mechanism, and the furnace body side is equipped with discharge port, and the discharge outlet is equipped with thing
Expect conveying arrangement, the furnace body can be tilted a certain angle by the furnace tilting mechanism to the discharge port side.
Further, a kind of electric furnace arrangement for producing steel, further includes electric control gear, and the electric control gear is arranged on the furnace body side,
The furnace cover lifting rotating mechanism, the electrode lifting mechanism and the furnace tilting mechanism are electrically connected with the electric control gear.
Further, the furnace cover lifting rotating mechanism includes column, adjutage and Zhuai Yin mechanisms, and the adjutage is fixed on
The column top, the Zhuai Yin mechanisms are arranged on above the adjutage by pulley, Zhuai Yin mechanisms one end with it is described
Pipe-type water-cooling bell connects, and the other end is connected with driving device.
Further, the column is connected with rotating mechanism, and the rotating mechanism can drive the column to rotate, the column
The adjutage and the pipe-type water-cooling bell can be driven to rotate after rotation.
Further, the electrode lifting mechanism includes conductive cross arm, hoisting mechanism, guiding mechanism and for fixing the electricity
The electrode clamping mechanism of pole group, described conductive cross arm one end are fixedly connected with the electrode clamping mechanism, and the hoisting mechanism is set
Put and be arranged on the both sides of the hoisting mechanism in the bottom of the conductive cross arm, the guiding mechanism.
Further, the electrode group includes first electrode, second electrode and the 3rd electrode, corresponding to the first electrode,
The second electrode and the 3rd electrode, the pipe-type water-cooling bell are equipped with three through holes.
Further, a kind of electric furnace arrangement for producing steel, further includes hydraulic system, the hydraulic system and the electrode lifting mechanism,
The furnace tilting mechanism and furnace cover lifting rotating mechanism connection.
Further, the electrode group is connected by water-cooled cable with electric power system.
Further, the electric power system includes transformer and reactor.
Further, the furnace tilting mechanism includes support device, turndown platform and hydraulic driving oil cylinder, and the turndown platform is set
Put in the bottom of furnace body, the support device in the bottom of the turndown platform, the hydraulic driving oil cylinder with it is described
Turndown platform one end connects.
The utility model has technical effect that：A kind of electric furnace arrangement for producing steel according to the present utility model, furnace body are interior for reaction
Chamber, opens pipe-type water-cooling bell by furnace cover lifting rotating mechanism, material is added into furnace body, electric power system is led to electrode group
Electricity, electrode group produce substantial amounts of thermal energy so that furnace interior reaction chamber temperature quickly raises, and the material in reaction chamber is melted
Refining, the thermal energy that electrode group produces is larger, improves steel smelting efficiency.
After the completion of steel refining, first, electrode group is lifted to certain height, furnace cover lifting rotation by electrode lifting mechanism
Rotation mechanism to certain altitude, and rotates by a certain angle pipe-type water-cooling furnace cover lifting, and then, furnace body is inclined to one by furnace tilting mechanism
Side, steel are poured out onto material conveyor from discharge port, and the process that material takes out is full-automatic process, without manually going out
Power, improves the smelting efficiency of steel.
In addition, after the completion of steel refining, the temperature in furnace body is higher, it is impossible to which quickly cooling, therefore, passes through water-cooling system
Furnace body, pipe-type water-cooling bell and electrode lifting mechanism can quickly be cooled down, the cooling effect of the electric furnace arrangement for producing steel is preferable.
Brief description of the drawings
Fig. 1 is the structure diagram according to a kind of electric furnace arrangement for producing steel of the utility model one embodiment.
Fig. 2 is the top view according to a kind of electric furnace arrangement for producing steel of the utility model one embodiment.
Wherein, 1- furnace bodies；2- pipe-type water-cooling bells；3- electrode groups；4- furnace cover lifting rotating mechanisms；5- electrode positioning mechanisms
Structure；6- water-cooling systems；7- furnace tilting mechanisms；8- electric control gears；9- hydraulic systems；10- transformers；11- material conveyors；41-
Column；42- adjutages；43- Zhuai Yin mechanisms；51- conductive cross arms；52- hoisting mechanisms；53- electrode clamping mechanisms；71- support dresses
Put；72- turndown platforms.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
It can be better understood from the utility model and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of electric furnace arrangement for producing steel, including furnace body 1, is arranged on furnace body 1
Pipe-type water-cooling bell 2, electrode group 3 and water-cooling system 6, are connected with furnace cover lifting rotating mechanism 4, electrode on pipe-type water-cooling bell 2
Group 3 is through pipe-type water-cooling bell 2 and stretches into furnace body 1, and the top of electrode group 3 is connected with electrode lifting mechanism 5, electrode lifting mechanism
5 are fixedly connected on furnace cover lifting rotating mechanism 4, and electrode lifting mechanism 5 can drive electrode group 3 to rise or fall, 1 side of furnace body
Wall, pipe-type water-cooling bell 2 and electrode lifting mechanism 5 are connected with water-cooling system 6, and 1 bottom of furnace body is equipped with furnace tilting mechanism 7, furnace body 1
Side is equipped with discharge port, and discharge outlet is equipped with material conveyor 11, and furnace tilting mechanism 7 can tilt furnace body 1 to discharge port side
Certain angle.
A kind of electric furnace arrangement for producing steel according to the present utility model, it is reaction chamber that furnace body 1 is interior, passes through furnace cover lifting rotating mechanism 4
Pipe-type water-cooling bell 2 is opened, material is added into furnace body 1, electric power system is powered to electrode group 3, and electrode group 3 produces substantial amounts of heat
Can so that 1 internal-response chamber temperature of furnace body quickly raises, and melting, the thermal energy that electrode group 3 produces are carried out to the material in reaction chamber
It is larger, improve steel smelting efficiency.
After the completion of steel refining, first, electrode group 3 is lifted to certain height, furnace cover lifting by electrode lifting mechanism 5
Pipe-type water-cooling bell 2 is promoted to certain altitude by rotating mechanism 4, and is rotated by a certain angle, and then, furnace tilting mechanism 7 inclines furnace body 1
To side, steel are poured out onto material conveyor 11 from discharge port, and the process that material takes out is full-automatic process, without people
Work is contributed, and improves the smelting efficiency of steel.
In addition, after the completion of steel refining, the temperature in furnace body 1 is higher, it is impossible to which quickly cooling, therefore, passes through water cooling system
System 6 can quickly be cooled down furnace body 1, pipe-type water-cooling bell 2 and electrode lifting mechanism 5, the cooling effect of the electric furnace arrangement for producing steel
Preferably.
A kind of electric furnace arrangement for producing steel of the utility model, further includes electric control gear 8, and electric control gear 8 is arranged on 1 side of furnace body,
Furnace cover lifting rotating mechanism 4, electrode lifting mechanism 5 and furnace tilting mechanism 7 are electrically connected with electric control gear 8, and electric control gear 8 can be automatic
Lifter motion, descending motion and the rotary motion of furnace cover lifting rotating mechanism 4 are controlled, electric control gear 8 can automatically control electrode liter
The raising and lowering of descending mechanism 5, electric control gear 8 can control the banking motion of furnace tilting mechanism 7, improve the automation journey of system
Degree, improves the production efficiency of electric arc furnaces.
As shown in Figure 1, furnace cover lifting rotating mechanism 4 includes column 41, adjutage 42 and Zhuai Yin mechanisms 43, adjutage 42 is solid
41 top of column is scheduled on, Zhuai Yin mechanisms 43 are arranged on the top of adjutage 42,43 one end of Zhuai Yin mechanisms and pipe-type water-cooling by pulley
Bell 2 connects, and the other end is connected with driving device, and column 41 is arranged on the side of pipe-type water-cooling bell 2, the end of adjutage 42
It is fixedly connected with the top of column 41, adjutage 42 extends to the top of pipe-type water-cooling bell 2, the both ends of pipe-type water-cooling bell 2
Equipped with two connecting portions, Zhuai Yin mechanisms 43 are connected with two connecting portions, and Zhuai Yin mechanisms 43 are to two companies on pipe-type water-cooling bell 2
Socket part provides upward pulling force, and driving mechanism drives Zhuai Yin mechanisms 43 to draw tubular type water cooled cover 2 and is raised to certain altitude.
A specific embodiment according to the present utility model, Zhuai Yin mechanisms 43 are chain, and corresponding and two connecting portions, drag and draw
Mechanism 43 is equipped with two chains, and adjutage 42 is equipped with two pulleys, and one end of two chains is connected with two connecting portions respectively,
The other end is respectively around the corresponding pulley in side, and being connected with driving mechanism thereon.
A specific embodiment according to the present utility model, column 41 are connected with rotating mechanism, and rotating mechanism can drive vertical
Column 41 rotates, and column 41 can drive adjutage 42 and pipe-type water-cooling bell 2 to rotate after rotating, and pipe-type water-cooling bell 2 is carried in bell
Lifting certain altitude under the action of liter rotating mechanism 4, and rotate by a certain angle, removed from the top of furnace body 1, so that convenient to furnace body
Material is added in 1.
A specific embodiment according to the present utility model, electrode lifting mechanism 5 are fixed on furnace cover lifting rotating mechanism 4
On, therefore when furnace cover lifting rotating mechanism 4 drives pipe-type water-cooling bell 2 to be lifted or rotated, electrode lifting mechanism 5 can also follow
Furnace cover lifting rotating mechanism 4 is lifted or rotated.
As shown in Fig. 2, electrode lifting mechanism 5 includes conductive cross arm 51, hoisting mechanism 52, guiding mechanism and for fixed electricity
The electrode clamping mechanism 53 of pole group 3,51 one end of conductive cross arm are fixedly connected with electrode clamping mechanism 53, and hoisting mechanism 52 is arranged on
The bottom of conductive cross arm 51, guiding mechanism are arranged on the both sides of hoisting mechanism 52, and guiding mechanism plays hoisting mechanism 52 necessarily
Guiding role so that hoisting mechanism 52 can be moved vertically, and conductive cross arm 51 vertically moves up and down so that
The end fixed electrode group 3 of conductive cross arm 51 is vertically moved up and down, prevents electrode group 3 in the process of lifting
In shift so that electrode group 3 can be enhanced smoothly out of furnace body 1, without there is a phenomenon where interim card.
A specific embodiment according to the present utility model, electrode group 3 include first electrode, second electrode and the 3rd electricity
Pole, corresponding to first electrode, second electrode and the 3rd electrode, pipe-type water-cooling bell 2 is equipped with three through holes, and three through holes are set
In the centre of bell, and evenly-spaced setting, so that ensure three evenly-spaced settings of electrode, first electrode, the second electricity
Pole and the 3rd electrode can be moved downward out of three through holes respectively under the action of electrode lifting mechanism 5, and be stretched into furnace body 1
Portion, is internally heated furnace body 1, and three electrodes produce huge heat at the same time, and three electrodes are evenly-spaced to be arranged on stove
Inside body 1, its heat dissipation effect is preferable so that the temperature rise in furnace body 1 is very fast, so as to improve the steel-making efficiency of electric arc furnaces.
A kind of electric furnace arrangement for producing steel, further includes hydraulic system 9, hydraulic system 9 and electrode lifting mechanism 5, furnace tilting mechanism 7 and
Furnace cover lifting rotating mechanism 4 connects, and hydraulic system 9 gives electrode lifting mechanism 5, furnace tilting mechanism 7 and furnace cover lifting rotating mechanism 4
Power is provided so that electrode lifting mechanism 5, furnace tilting mechanism 7 and furnace cover lifting rotating mechanism 4 automatically can be lifted or rotated,
Without manpower, reduce manual labor, and improve work efficiency.
A specific embodiment according to the present utility model, electrode group 3 are connected by water-cooled cable with electric power system.Power supply
System provides it huge electric energy in electric-arc furnace steelmaking, ensure melting be normally carried out and security performance.Water-cooled cable is
Hollow and be passed through water, for high current heating equipment, water-cooled cable has conducting wire, and protection sleeve pipe is equipped with outside conducting wire.
Furthermore, electric power system includes transformer 10 and reactor.Transformer 10 can bear larger overload, high temperature
There is good insulation effect, its transformation is bigger, and the electric energy that can effectively regulate and control in input furnace body 1 is big under conditions of high pressure
It is small.Reactor is used to protect transformer 10, improves electric power system running stability.
As shown in Figure 1, furnace tilting mechanism 7 includes support device 71, turndown platform 72 and hydraulic driving oil cylinder, turndown platform 72
1 bottom of furnace body is arranged on, support device 71 is supported on the bottom of turndown platform 72, hydraulic driving oil cylinder and 72 one end of turndown platform
Connection.
A kind of electric furnace arrangement for producing steel according to the present utility model, its operation principle are as follows：
First, pipe-type water-cooling bell 2 is opened by furnace cover lifting rotating mechanism 4, adds material into furnace body 1, pass through stove
Lid lifting rotating mechanism 4 closes pipe-type water-cooling bell 2；
Electric power system is powered to electrode group 3, and electrode group 3 produces substantial amounts of thermal energy so that 1 internal-response chamber temperature of furnace body is fast
Speed rise, melting is carried out to the material in reaction chamber；
After the completion of steel refining, first, electrode group 3 is lifted to certain height, furnace cover lifting by electrode lifting mechanism 5
Pipe-type water-cooling bell 2 is promoted to certain altitude by rotating mechanism 4, and is rotated by a certain angle so that pipe-type water-cooling bell 2 is from furnace body
Remove 1 top；
Furnace body 1, pipe-type water-cooling bell 2 and electrode lifting mechanism 5 are quickly cooled down by water-cooling system 6；
Then, furnace body 1 is inclined to side by furnace tilting mechanism 7, and steel are poured out onto material conveyor 11 from discharge port, treat steel
After material is poured out, furnace tilting mechanism 7 fascinates furnace body 1 to original position.
Embodiment described above is only the preferred embodiment to absolutely prove the utility model and being lifted, the utility model
Protection domain not limited to this.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model
Change, within the scope of protection of the utility model.The scope of protection of the utility model is subject to claims.
Claims (10)
1. a kind of electric furnace arrangement for producing steel, it is characterised in that including furnace body, the pipe-type water-cooling bell, the electrode that are arranged on the furnace body
Group and water-cooling system, are connected with furnace cover lifting rotating mechanism on the pipe-type water-cooling bell, the electrode group passes through the tubular type
Water cooled cover is simultaneously stretched into the furnace body, is connected with electrode lifting mechanism at the top of the electrode group, the electrode lifting mechanism is consolidated
Surely it is connected on the furnace cover lifting rotating mechanism, the electrode lifting mechanism can drive the electrode group to rise or fall, institute
State sidewall of the furnace body, the pipe-type water-cooling bell and the electrode lifting mechanism to be connected with the water-cooling system, the furnace body bottom
Portion is equipped with furnace tilting mechanism, and the furnace body side is equipped with discharge port, and the discharge outlet is equipped with material conveyor, the turndown machine
The furnace body can be tilted a certain angle by structure to the discharge port side.
2. electric furnace arrangement for producing steel according to claim 1, it is characterised in that further include electric control gear, the electric control gear is set
Put in the furnace body side, the furnace cover lifting rotating mechanism, the electrode lifting mechanism and the furnace tilting mechanism with it is described
Electric control gear is electrically connected.
3. electric furnace arrangement for producing steel according to claim 1, it is characterised in that the furnace cover lifting rotating mechanism include column,
Adjutage and Zhuai Yin mechanisms, the adjutage are fixed on the column top, and the Zhuai Yin mechanisms are arranged on described by pulley
Above adjutage, Zhuai Yin mechanisms one end is connected with the pipe-type water-cooling bell, and the other end is connected with driving device.
4. electric furnace arrangement for producing steel according to claim 3, it is characterised in that the column is connected with rotating mechanism, the rotation
Rotation mechanism can drive the column to rotate, and after the column rotation adjutage and the pipe-type water-cooling bell can be driven to revolve
Turn.
5. electric furnace arrangement for producing steel according to claim 1, it is characterised in that the electrode lifting mechanism include conductive cross arm,
Hoisting mechanism, guiding mechanism and the electrode clamping mechanism for fixing the electrode group, described conductive cross arm one end and the electricity
Pole clamping device is fixedly connected, and the hoisting mechanism is arranged on the bottom of the conductive cross arm, and the guiding mechanism is arranged on institute
State the both sides of hoisting mechanism.
6. electric furnace arrangement for producing steel according to claim 1, it is characterised in that the electrode group includes first electrode, the second electricity
Pole and the 3rd electrode, corresponding to the first electrode, the second electrode and the 3rd electrode, on the pipe-type water-cooling bell
Equipped with three through holes.
7. electric furnace arrangement for producing steel according to claim 1, it is characterised in that further include hydraulic system, the hydraulic system with
The electrode lifting mechanism, the furnace tilting mechanism and furnace cover lifting rotating mechanism connection.
8. electric furnace arrangement for producing steel according to claim 1, it is characterised in that the electrode group passes through water-cooled cable and power supply system
System connection.
9. electric furnace arrangement for producing steel according to claim 8, it is characterised in that the electric power system includes transformer and reactance
Device.
10. electric furnace arrangement for producing steel according to claim 1, it is characterised in that the furnace tilting mechanism includes support device, turndown
Platform and hydraulic driving oil cylinder, the turndown platform are arranged on the bottom of furnace body, and the support device is in the turndown
The bottom of platform, the hydraulic driving oil cylinder are connected with described turndown platform one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721332065.1U CN207280172U (en) | 2017-10-18 | 2017-10-18 | Electric furnace arrangement for producing steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721332065.1U CN207280172U (en) | 2017-10-18 | 2017-10-18 | Electric furnace arrangement for producing steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207280172U true CN207280172U (en) | 2018-04-27 |
Family
ID=61980360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721332065.1U Active CN207280172U (en) | 2017-10-18 | 2017-10-18 | Electric furnace arrangement for producing steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207280172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473641A (en) * | 2020-04-23 | 2020-07-31 | 海城三岩矿业有限公司 | Electric arc furnace temperature control method for fused magnesia production |
-
2017
- 2017-10-18 CN CN201721332065.1U patent/CN207280172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473641A (en) * | 2020-04-23 | 2020-07-31 | 海城三岩矿业有限公司 | Electric arc furnace temperature control method for fused magnesia production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1072459A (en) | Electric furnace arrangement for producing steel | |
| CN207280172U (en) | Electric furnace arrangement for producing steel | |
| CN104846167B (en) | Glowing furnace | |
| CN109612264B (en) | Continuous charging steelmaking electric arc furnace device | |
| CN110260647A (en) | A kind of vertical rotating direct current electric arc furnace | |
| CN107560444A (en) | A kind of collection device and method of electric-melting magnesium shelling exhaust gas dust | |
| CN108624739B (en) | Steelmaking equipment and smelting method for steelmaking by using scrap steel | |
| CN2859418Y (en) | A direct current arc inductive stove | |
| CN102745695A (en) | Device used for extracting silicon from high-silicon aluminum alloy, and extraction method thereof | |
| CN104357673B (en) | Metal electric slag refusion and smelting method | |
| CN104313342B (en) | A kind of metal electric slag refusion and smelting equipment | |
| CN218179608U (en) | High-power energy-saving environment-friendly zirconia smelting furnace | |
| CN209623344U (en) | Smelting furnace is used in a kind of production of fused magnesite | |
| CN201569284U (en) | Electric heating metal melting furnace | |
| CN211953721U (en) | Magnesium prefabricated furnace cover for electric smelting magnesium furnace | |
| CN103075883B (en) | Efficient energy-saving full-automatic electric magnesium melting revolving furnace | |
| CN207610540U (en) | A kind of lifting type medium frequency furnace | |
| CN207596386U (en) | Furnace charge stirrer lifting structure | |
| CN206607268U (en) | Swinging support refers to vertical shaft scrap steel preheating system | |
| CN112815697B (en) | Refractory material smelting furnace | |
| CN104313341B (en) | A kind of electroslag smelting auxiliary material automatic feeding device | |
| CN212962738U (en) | Electric arc furnace with evenly throw material function | |
| CN216159620U (en) | Smelting furnace raw material crushing device | |
| CN215930550U (en) | Rock wool thick liquids electric furnace apparatus for producing | |
| CN205874475U (en) | Safety of iron and steel electric stove discharging device that overturns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |