CN108436068A - A kind of high efficiency smart bakes bag apparatus and its application method - Google Patents
A kind of high efficiency smart bakes bag apparatus and its application method Download PDFInfo
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- CN108436068A CN108436068A CN201810126684.8A CN201810126684A CN108436068A CN 108436068 A CN108436068 A CN 108436068A CN 201810126684 A CN201810126684 A CN 201810126684A CN 108436068 A CN108436068 A CN 108436068A
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- combustion
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- ladle
- roasting
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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
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
- B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
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- Mechanical Engineering (AREA)
- Air Supply (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The present invention relates to a kind of high efficiency smarts to bake bag apparatus, is equipped with backpack cover, burner, it is characterised in that：The backpack cover is equipped with plurality of specifications, matches with the ladle of various specifications, and lower layer is equipped with refractory material, is covered on ladle mouth in roasting packet operation, there are gaps between periphery and the edge of ladle mouth；It is equipped with the burner in the centre of backpack cover, which is tubular made of heat safe material, is additionally provided with burning torch, flame detector, blast tube, combustion-supporting gas channel, and combustion head is equipped in its lower end；The upper end that burner is placed in outside backpack cover be equipped with gas inlet, help gas inlet, burning torch interface；The combustion head of the burner stretches into the lower part of ladle in roasting packet operation；The gas inlet is connected to by burnt gas valve with fuel gas source；It is described that gas inlet is helped to be connected to by combustion-supporting air valve with gas source is helped.The advantages that roasting bag apparatus of the present invention has reasonable in design, safe and reliable to operation, high degree of automation, easy for operation, uniform to the baking of ladle, effectively reduces baking time, improves baking efficiency, and environmental pollution is relatively low.
Description
Technical field
The present invention relates to technical field of ferrous metallurgy, a kind of Baking out device of metallurgy ladle is more particularly to a kind of high
Imitate intelligent roasting bag apparatus and its application method.
Background technology
With the rapid development of metallurgical industry, the development of novel ladle heating device is increasingly taken seriously.For gold
For belonging to the enterprise smelted, the efficiency and quality of ladle baking directly affect production run and economic benefit.Though having both at home and abroad
The Ladle-casting apparatus of the diversified forms such as conventional gas Ladle-casting apparatus, heat accumulating type Ladle-casting apparatus, regenerative space combustion ladle heater, although can solve
The primary demand of roasting packet, still, there is different degrees of deficiency in above-mentioned Ladle-casting apparatus：Baking time length, high energy consumption, heating are not
, environment is polluted.Quality requirements of the enterprise to ladle heater are had been unable to meet, therefore, urgent need will propose a kind of effect more
It is good, more efficient, more energy efficient environmental protection, intelligentized roasting bag apparatus.
Invention content
In order to solve the above-mentioned technical problem the present invention, provides a kind of high efficiency smart and bakes bag apparatus and its application method, the dress
It sets using simple and perfect, intelligent control structure design, there is safe and reliable to operation, high degree of automation, the side of operating with
Just, baking temperature is uniform, and baking time is short, toasts efficient, the relatively low plurality of advantages of environmental pollution.
In order to achieve the above object, the present invention adopts the following technical scheme that realization：
A kind of roasting bag apparatus of high efficiency smart, is equipped with backpack cover, burner, it is characterised in that：The backpack cover is equipped with plurality of specifications,
Match with the ladle of various specifications, lower layer is equipped with refractory material, is covered on ladle mouth in roasting packet operation, periphery and steel
There are gaps between the edge of packet mouth；It is equipped with the burner in the centre of backpack cover, which is made of heat safe material
Tubular, pipe in be equipped with burning torch, blast tube, combustion-supporting gas channel, its lower end be equipped with combustion head；It is placed in the burner
Upper end outside backpack cover is equipped with gas inlet, helps gas inlet, burning torch interface；The combustion head of the burner is made in roasting packet
The lower part of ladle is stretched into when industry；The gas inlet is connected to by burnt gas valve with fuel gas source；It is described to help gas inlet logical
It crosses combustion-supporting air valve to be connected to gas source is helped, the combustion-supporting gas has air, air to add purity oxygen i.e. oxygen-rich mixture and pure oxygen
Gas.
The present invention further improves and the additional project of implementation is：
Equipped with the combustion tube fire tube i.e. kept burning day and night that the combustion head with burner is split, which is connected to fuel gas source,
When roasting packet operation in ladle independent burning and be ever-burning flame, or be fire on duty, when the combustion head of burner stops working, continue a little
When the burning of combustion combustion head or combustion head cannot rekindle, ever-burning flame will continue to disappear before fuel gas source and combustion-supporting air source are closed
Residual air in ladle is consumed, pollution air is avoided and causes detonation；One of the set-up mode of the fire tube kept burning day and night is and independently arranged point
Firelock is integrated, after the combustion head of burning torch start-up burner catches fire, burning torch still open combustion gas and combustion head separate it is only
Vertical burning.
The burner is adjustable to be highly fixed on backpack cover, when baking packet operation, combustion head and ladle bottom away from
From adjustable, the needs of different depth ladle are adapted to, can also neatly adjust upper and lower position when combustion head heating.
The burner is equipped with divided combustion head, which is arranged in the position of the axially distinct height of burner, and
It flexible and is rotated by axis of the tube body of burner, baking packet operation time-division combustion head can be to ladle different height, different location
Containment wall heats simultaneously, improves heating speed, reduces heating time.
The combustion-supporting air valve that the combustion-supporting gas is connect into device mouth with combustion-supporting air source is manually and automatically change-over switch, can be converted
To be individually connected to air-source or being individually connected to source of oxygen or is respectively communicated with simultaneously with air-source and source of oxygen.
The application method of above-mentioned roasting bag apparatus, it is characterized in that having steps of：
1) specification Ladle-casting apparatus appropriate is selected, is placed on ladle；
2) manual change-over switch is adjusted, the gas supply connection for setting combustion-supporting gas is connected with the gas supply of combustion gas；
3) burnt gas valve and combustion-supporting air valve are opened,
4) igniter fire is opened, fire tube kept burning day and night is lighted, roasting packet operation starts；
5) it is determined according to the repeatedly operating experience of roasting packet and bakes packet run time, after the time arrives, close combustion gas and combustion-supporting air valve
Door bakes packet end of run.
The present invention further improves and the additional project of implementation is：
Equipped with the movable thermocouple being embedded in refractory material block, which is placed in ladle inner wall in roasting packet operation
On, to detect the variation of containment wall temperature in roasting packet procedures；In the air inlet of the air-source, source of oxygen, fuel gas source and burner
The pipeline that mouth is respectively communicated with is equipped with pressure sensor and flow sensor, and equipped with booster pump and the opening and closing of controllable booster pump and turns
The self_clocking converter of speed；It is additionally provided with PLC controller, the PLC controller and the pressure sensor, flow sensor, automatic control
Change-over switch, self_clocking converter and the thermocouple carry out signal and control connection；Its control mode is：PLC controller according to
The adjusting data of the temperature information and preset corresponding combustion gas, combustion-supporting gas that are obtained from thermocouple control automatic control change-over switch
With the self_clocking converter of booster pump, realize that the variation of combustion-supporting gas composition is adjusted and combustion gas, the adjusting of combustion-supporting gas air demand, combustion-supporting gas
Composition regulative mode have：Single air, air plus oxygen gas, purity oxygen；PLC controller is equipped with human-machine operation panel and signal is aobvious
Show device.
The burner is additionally provided with flame detector, alarm signal generator, and the flame detector and alarm signal occur
Device carries out signal with PLC controller and control connects, and control mode is：When PLC controller detects steel from flame detector
When packet flame is extinguished or supply gas pressure or when Traffic Anomaly, alarm signal is sent out by alarm signal generator and is closed
Air-supplying valve.
It is equipped with off-gas recovery above roasting backpack cover and purifies harmless emission component, including：Roasting ladle cover, the smoke exhaust pipe being sequentially connected to
Road, air-introduced machine and flue gas cleaner.
The application method of above-mentioned roasting bag apparatus, it is characterised in that include the following steps：
1) height for adjusting burner, keeps its combustion head suitable at a distance from ladle bottom surface：100-300mm；
2) control parameter for helping gas families and ratio is preset on the man-machine panel of PLC controller：According to the kind of ladle
Class, baking temperature and the actual needs of time select corresponding combustion-supporting gas type；Such as：Pure air is combustion-supporting, air and oxygen are mixed
Close is oxygen-enriched combustion-supporting, pure oxygen combustion-supporting；It is a kind of combustion-supporting that the type and ratio setting of combustion-supporting gas, which are divided into roasting packet whole process for roasting packet whole process,
Gas presses ladle different temperatures stage subsection setup；And the temperature i.e. shutdown temperature that ladle baking finally reaches is set.
3) run switch for opening PLC controller, thermocouple is placed on steel ladle, opens the valve of combustion gas and combustion-supporting gas
Door opens burning torch igniting, lights fire tube kept burning day and night, and roasting packet operation starts；
4) when alarm signal and disorderly closedown occurring in running, timely processing；
5) orderly closedown：When reaching the shutdown temperature of setting, air-supplying valve is closed in PLC controller control, out of service.
The present invention has the advantages that：
1) simple in structure and perfect, reasonable design is baked packet flame and is heated from ladle bottom, and roasting packet heating speed is fast, and
Heating temperature is uniform；
2) it is light-weight, easy to operation and safer to bake bag apparatus, it is more convenient；
3) combustion gas is saved, the time is saved, improves production efficiency；
4) it reduces environmental pollution, environment protecting is good；
5) it easy can be manually operated, also can be automatically controled operation, strong applicability has the market demand of bigger, preferably passes through
Ji benefit.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the use state of the present invention.
Fig. 2 is the enlarged structure schematic diagram of part A in Fig. 1.
Fig. 3 is the side structure schematic view of the present invention.
Fig. 4 is the dimensional structure diagram of the backpack cover of the present invention
Specific implementation mode
The present invention is explained with reference to the accompanying drawings and examples：Embodiment 1：Referring to attached drawing, a kind of high efficiency smart is roasting
Bag apparatus is equipped with backpack cover 1, burner 2, and the backpack cover is equipped with plurality of specifications, matches with the ladle 6 of various specifications, this implementation
The backpack cover of example is diameter 1000mm, and lower layer is equipped with refractory material, is covered on ladle mouth in roasting packet operation, periphery and ladle
There are gap 20mm between the edge of mouth；It is equipped with the burner in the centre of backpack cover, which is heat safe material system
At tubular, long 800mm, and equipped with burning torch, blast tube, combustion-supporting gas channel, its lower end be equipped with combustion head；In the combustion
The upper end that burner is placed in outside backpack cover is equipped with gas inlet 3, helps gas inlet 4, burning torch interface 5；The combustion of the burner
The lower part that head stretches into ladle in roasting packet operation is burnt, away from ladle bottom 200mm；The gas inlet passes through burnt gas valve and combustion
Air source is connected to；Described that gas inlet is helped to be connected to by combustion-supporting air valve with gas source is helped, the combustion-supporting gas has air, air
Add purity oxygen i.e. oxygen-rich mixture and purity oxygen.Equipped with the combustion tube fire tube 7 i.e. kept burning day and night that the combustion head with burner is split, the length
Open fire pipe separates independent burning with combustion head, when the combustion head of burner is flame-out, continues to light combustion head burning or combustion head
When cannot rekindle, ever-burning flame will continue to consume residual air in ladle before fuel gas source and combustion-supporting air source are closed, and avoid polluting
Air and cause detonation.The combustion-supporting air valve for helping gas inlet to be connect with combustion-supporting air source is that manually and automatically conversion is opened
It closes, can be converted to and individually be connected to air-source or be individually connected to source of oxygen or is respectively communicated with simultaneously with air-source and source of oxygen.
The application method of above-mentioned roasting bag apparatus, uses following steps：
1) specification Ladle-casting apparatus appropriate is selected, is placed on ladle；
2) manual change-over switch is adjusted, the gas supply connection for setting combustion-supporting gas is connected with the gas supply of combustion gas, and the present embodiment is adopted
It is combustion-supporting with pure air；
3) burnt gas valve and combustion-supporting air valve fire are opened；
4) igniter fire is opened, fire tube kept burning day and night is lighted, roasting packet operation starts；
5) it is determined according to the operating experience of experiment and multiple roasting packet and bakes packet run time, be determined as 5 hours.After time arrives,
Combustion gas and combustion-supporting air valve are closed, packet end of run is baked.
Embodiment 2；A kind of roasting bag apparatus of high efficiency smart, the burner is adjustable to be highly fixed on backpack cover, is adjusted
Mode is that closed screw and screw hole combine, and when baking packet operation, combustion head is adjustable at a distance from ladle bottom, adapts to different depth
The needs of ladle also can neatly adjust upper and lower position when combustion head heating.The burner is equipped with divided combustion head, this point combustion
It burns head to be arranged in the position of the axially distinct height of burner, is respectively arranged with away from combustion head 200mm and 400mm each one, level
Setting, and flexible and be that axis rotates using the tube body of burner, roasting packet operation time-division combustion head can to ladle different height, no
Containment wall with position heats simultaneously, improves heating speed, reduces heating time.The present embodiment other structures are same as Example 1,
It repeats no more.
The application method of above-described embodiment increases burner height first only on the basis of the method for embodiment 1
Adjusting is combustion head away from ladle bottom surface 250mm, and the roasting packet time is determined as 2.5 hours, other are as the method for embodiment 1, no
It repeats again.The present embodiment significant effect bakes packet time shortening half, and temperature is uniform, and molten steel is with obvious effects for ladle dress
It is good.
Embodiment 3：A kind of roasting bag apparatus of high efficiency smart, equipped with the movable thermocouple being embedded in refractory material block, the heat
Galvanic couple is placed in roasting packet operation on ladle inner wall, to detect the variation of containment wall temperature in roasting packet procedures；In the air
Source, source of oxygen, the pipeline that the air inlet of fuel gas source and burner is respectively communicated with are equipped with pressure sensor and flow sensor, and
Self_clocking converter equipped with booster pump and controllable booster pump opening and closing and rotating speed；Be additionally provided with PLC controller, the PLC controller with
The pressure sensor, flow sensor, automatic control change-over switch, self_clocking converter and the thermocouple carry out signal and control connects
It connects；Its control mode is：PLC controller according to the temperature information and preset corresponding combustion gas obtained from thermocouple, help
The adjusting data of combustion gas, control automatic control change-over switch and booster pump self_clocking converter, realize combustion-supporting gas composition variation adjust and
Combustion gas, the adjusting of combustion-supporting gas air demand, the composition regulative mode of combustion-supporting gas have：Single air, air plus oxygen gas, single pure oxygen
Gas；PLC controller is equipped with human-machine operation panel and signal temperature indicator.The burner is additionally provided with flame detector, alarm
Signal generator, the flame detector and alarm signal generator carry out signal with PLC controller and control connects, controlling party
Formula is：When PLC controller detects that ladle flame is extinguished from flame detector or supply gas pressure or when Traffic Anomaly,
Alarm signal is sent out by alarm signal generator and closes air-supplying valve.It is harmless that off-gas recovery purification is equipped with above roasting backpack cover
Exhaust assembly, including：Roasting ladle cover, smoke discharging pipe, air-introduced machine and the flue gas cleaner being sequentially connected to.The structure of the present embodiment its
He is partly identical as embodiment, repeats no more.
The application method of the present embodiment, uses following steps：
1) height of burner is adjusted first, makes its combustion head away from ladle bottom surface 300mm；
2) control parameter for helping gas families and ratio is preset on the man-machine panel of PLC controller：According to the kind of ladle
Class, baking temperature and the actual needs of time select corresponding combustion-supporting gas type；Selection type has：Pure air is combustion-supporting, air
With oxygen mix, that is, oxygen-enriched combustion-supporting, pure oxygen combustion-supporting；The present embodiment uses partition running, according to the different combustion-supporting gas of temperature inversion
The flow proportional of each combustion-supporting gas composition in wise temperature and each temperature section；It is set as：600 degree of air used below do combustion-supporting gas；
600-1000 degree oxygen-enriched combustion-supporting gas, i.e. air and pure oxygen are mixed as combustion-supporting gas；1000 or more do combustion-supporting gas with pure oxygen.And
Temperature i.e. 1500 degree of the shutdown temperature that ladle baking finally reaches is set.
3) run switch for opening PLC controller, thermocouple is put on steel ladle, opens the valve of combustion gas and combustion-supporting gas
Door, opens burning torch igniting, and roasting packet operation starts；
4) when alarm signal and disorderly closedown occurring in running, timely processing；
5) orderly closedown：When reaching the shutdown temperature of setting, air-supplying valve is closed in PLC controller control, out of service.
Above-described embodiment passes through 6 months trial operations, achieves ideal effect, and the roasting packet time shortens 20-30%,
Combustion gas 25-30% is saved, it is inadequate or excessively high ladle temperature do not occur, the phenomenon that influencing steel ladle pouring, saves manpower, operation
Labor-saving safety, environment protecting greatly improve.
It should be pointed out that in the case where basic technical scheme of the present invention is constant, the skill of any similar change is made
Art scheme all should be within protection scope of the present invention.
Claims (10)
1. a kind of high efficiency smart bakes bag apparatus, it is equipped with backpack cover (1), burner (2), it is characterised in that：The backpack cover is equipped with a variety of
Specification matches with the ladle (6) of various specifications, and lower layer is equipped with refractory material, is covered on ladle mouth in roasting packet operation,
There are gaps between periphery and the edge of ladle mouth；It is equipped with the burner in the centre of backpack cover, which is heat safe
Tubular made of material, pipe is interior to be equipped with burning torch, blast tube, combustion-supporting gas channel, and combustion head is equipped in its lower end；In the combustion
The upper end that burner is placed in outside backpack cover is equipped with gas inlet (3), helps gas inlet (4), burning torch interface (5)；The burning
The combustion head of device stretches into the lower part of ladle in roasting packet operation；The gas inlet is connected to by burnt gas valve with fuel gas source；
Described that gas inlet is helped to be connected to by combustion-supporting air valve with gas source is helped, the combustion-supporting gas has air, air to add purity oxygen
That is oxygen-rich mixture and purity oxygen.
2. roasting bag apparatus according to claim 1, it is characterized in that：The combustion tube split equipped with the combustion head with burner is i.e.
Fire tube (7) kept burning day and night, the fire tube kept burning day and night are connected to fuel gas source, in roasting packet operation in ladle independent burning and be ever-burning flame, or
It is fire on duty, when the combustion head of burner is flame-out, continues to light combustion head burning or when combustion head cannot rekindle, it is long
Open fire will continue to consume residual air in ladle before fuel gas source and combustion-supporting air source are closed, and avoid pollution air and cause detonation；It should
One of the set-up mode of fire tube kept burning day and night is integrated with independently arranged burning torch, and the combustion head of burning torch start-up burner
After fire, burning torch still opens combustion gas and separates independent burning with combustion head.
It is highly fixed on backpack cover 3. the burner is adjustable, when baking packet operation, combustion head is at a distance from ladle bottom
It is adjustable, the needs of different depth ladle are adapted to, upper and lower position when combustion head heating also can be neatly adjusted.
4. roasting bag apparatus according to claim 1, it is characterized in that：The burner is equipped with divided combustion head, the divided combustion head
It is arranged in the position of the axially distinct height of burner, and flexible and is rotated by axis of the tube body of burner, when bakes packet operation
Divided combustion head can heat the containment wall of ladle different height, different location simultaneously, improve heating speed, reduce heating time.
5. roasting bag apparatus according to claim 1, it is characterized in that：It is described that gas inlet is helped to be helped with what combustion-supporting air source was connect
Burnt gas valve is manually and automatically change-over switch, can be converted to individually be connected to air-source or be individually connected to source of oxygen or with sky
Air source and source of oxygen are respectively communicated with simultaneously.
6. the application method of the roasting bag apparatus according to one of claim 1-5, it is characterized in that having steps of：
1) specification Ladle-casting apparatus appropriate is selected, is placed on ladle；
2) manual change-over switch is adjusted, the gas supply connection for setting combustion-supporting gas is connected with the gas supply of combustion gas；
3) burnt gas valve and combustion-supporting air valve are opened；
4) igniter fire is opened, and lights fire tube kept burning day and night, roasting packet operation starts；
5) it is determined according to the operating experience of experiment and multiple roasting packet and bakes packet run time, after the time arrives, closing combustion gas and combustion-supporting gas
Valve bakes packet end of run.
7. the roasting bag apparatus according to one of claim 1-5, it is characterized in that：Equipped with being embedded in refractory material block
Movable thermocouple, the thermocouple are placed in roasting packet operation on ladle inner wall, to detect containment wall temperature in roasting packet procedures
Variation；Pressure sensor is equipped on the pipeline that the air inlet of the air-source, source of oxygen, fuel gas source and burner is respectively communicated with
And flow sensor, and the self_clocking converter equipped with booster pump and controllable booster pump opening and closing and rotating speed；It is additionally provided with PLC controls
Device, the PLC controller and the pressure sensor, flow sensor, automatic control change-over switch, self_clocking converter and the thermocouple
It carries out signal and control connects；Its control mode is：PLC controller is according to the temperature information obtained from thermocouple and presets
Corresponding combustion gas, combustion-supporting gas adjusting data, control automatic control change-over switch and booster pump self_clocking converter, realize combustion-supporting gas at
The variation of part adjusts and combustion gas, the adjusting of combustion-supporting gas air demand, and the composition regulative mode of combustion-supporting gas has：Single air, air add
Oxygen, single purity oxygen；PLC controller is equipped with human-machine operation panel and signal temperature indicator.
8. roasting bag apparatus according to claim 7, it is characterized in that：The burner is additionally provided with flame detector, alarm signal
Number generator, the flame detector and alarm signal generator carry out signal and control connection, control mode with PLC controller
It is：When PLC controller detects that ladle flame is extinguished from flame detector or supply gas pressure or when Traffic Anomaly, lead to
Alarm signal generator is crossed to send out alarm signal and close air-supplying valve.
9. roasting bag apparatus according to claim 8, it is characterized in that：It is equipped with off-gas recovery above roasting backpack cover and purifies harmless row
Component is put, including：Roasting ladle cover, smoke discharging pipe, air-introduced machine and the flue gas cleaner being sequentially connected to.
10. the application method of roasting bag apparatus according to claim 9, it is characterized in that having following steps：
1) height for adjusting burner, keeps its combustion head suitable at a distance from ladle bottom surface：100-300mm；
2) control parameter for helping gas families and ratio is preset on the man-machine panel of PLC controller：According to the type of ladle, dry
The actual needs of roasting temperature and time, selects corresponding combustion-supporting gas type；Selection type has：Pure air is combustion-supporting, air and oxygen
Gas mixing is oxygen-enriched combustion-supporting, pure oxygen combustion-supporting；The type and ratio setting of combustion-supporting gas be divided into roasting packet it is whole be a kind of combustion-supporting gas or by
Ladle different temperatures stage subsection setup；And the temperature i.e. shutdown temperature that ladle baking finally reaches is set.
3) run switch for opening PLC controller, thermocouple is put on steel ladle, is opened the valve of combustion gas and combustion-supporting gas, is opened
Burning torch igniting is opened, fire tube kept burning day and night is lighted, roasting packet operation starts；
4) when alarm signal and disorderly closedown occurring in running, timely processing；
5) orderly closedown：When reaching the shutdown temperature of setting, air-supplying valve is closed in PLC controller control, out of service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810126684.8A CN108436068B (en) | 2018-02-08 | 2018-02-08 | Efficient intelligent bag baking device and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810126684.8A CN108436068B (en) | 2018-02-08 | 2018-02-08 | Efficient intelligent bag baking device and using method thereof |
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| Publication Number | Publication Date |
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| CN108436068A true CN108436068A (en) | 2018-08-24 |
| CN108436068B CN108436068B (en) | 2020-01-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421131A (en) * | 2020-05-18 | 2020-07-17 | 芜湖新兴铸管有限责任公司 | Automatic control system for constant-temperature baking of tundish nozzle in continuous casting |
| CN112517899A (en) * | 2020-11-26 | 2021-03-19 | 攀钢集团攀枝花钢铁研究院有限公司 | Steel ladle baking pressure control system and method |
| CN114951623A (en) * | 2022-06-28 | 2022-08-30 | 东北大学 | Pure oxygen combustion-supporting premixing ladle baking device and method |
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| CN114951623A (en) * | 2022-06-28 | 2022-08-30 | 东北大学 | Pure oxygen combustion-supporting premixing ladle baking device and method |
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| CN108436068B (en) | 2020-01-10 |
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