CN108436068B - Efficient intelligent bag baking device and using method thereof - Google Patents
Efficient intelligent bag baking device and using method thereof Download PDFInfo
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- CN108436068B CN108436068B CN201810126684.8A CN201810126684A CN108436068B CN 108436068 B CN108436068 B CN 108436068B CN 201810126684 A CN201810126684 A CN 201810126684A CN 108436068 B CN108436068 B CN 108436068B
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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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Abstract
The invention relates to a high-efficiency intelligent ladle baking device, which is provided with a ladle cover and a burner, and is characterized in that: the ladle cover is provided with a plurality of specifications and is matched with ladles with various specifications, the lower layer of the ladle cover is provided with refractory materials and covers the ladle opening during ladle baking operation, and a gap is reserved between the periphery of the ladle cover and the edge of the ladle opening; the middle of the ladle cover is provided with the burner which is in a tubular column shape made of high-temperature resistant materials, and is additionally provided with an ignition gun, a flame detector, a gas channel and a combustion-supporting gas channel, and the lower end of the burner is provided with a combustion head; the upper end of the burner outside the ladle cover is provided with a gas inlet, a combustion-supporting gas inlet and an ignition gun connector; the combustion head of the combustor extends into the lower part of the ladle during ladle baking operation; the gas inlet is communicated with a gas source through a gas valve; and the combustion-supporting gas inlet is communicated with a combustion-supporting gas source through a combustion-supporting gas valve. The ladle baking device has the advantages of reasonable structural design, safe and reliable operation, high automation degree, convenient operation and use, uniform baking of the ladle, effective reduction of baking time, improvement of baking efficiency, lower environmental pollution and the like.
Description
Technical Field
The invention relates to the technical field of ferrous metallurgy, in particular to a baking and heating device for a metallurgical ladle, and particularly relates to an efficient intelligent ladle baking device and a using method thereof.
Background
With the rapid development of the metallurgical industry, the development of new ladle heating devices has been more and more emphasized. For metal smelting enterprises, the efficiency and quality of ladle baking directly affect production operation and economic benefits. Although various forms of traditional gas ladle baking devices, heat accumulating type space combustion ladle baking devices and the like exist at home and abroad, although the basic requirements of the ladle baking can be solved, the ladle baking devices all have the defects of different degrees: long baking time, high energy consumption, uneven heating and environmental pollution. The high-quality requirement of an enterprise on a ladle heater cannot be met, so that a ladle baking device which is better in effect, higher in efficiency, more energy-saving and environment-friendly and intelligent is urgently needed to be provided.
Disclosure of Invention
The invention aims to solve the technical problems and provides an efficient intelligent ladle baking device and a using method thereof, wherein the device adopts a simple, perfect and intelligent control structural design and has the advantages of safe and reliable operation, high automation degree, convenient operation and use, uniform baking temperature, short baking time, high baking efficiency and low environmental pollution.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a roast package device of high-efficient intelligence, is equipped with the be built by contract, combustor, its characterized in that: the ladle cover is provided with a plurality of specifications and is matched with ladles with various specifications, the lower layer of the ladle cover is provided with refractory materials and covers the ladle opening during ladle baking operation, and a gap is reserved between the periphery of the ladle cover and the edge of the ladle opening; the middle of the ladle cover is provided with the burner which is in a tubular column shape made of high-temperature resistant materials, an ignition gun, a gas channel and a combustion-supporting gas channel are arranged in the tube, and the lower end of the tube is provided with a combustion head; the upper end of the burner outside the ladle cover is provided with a gas inlet, a combustion-supporting gas inlet and an ignition gun interface; the combustion head of the combustor extends into the lower part of the ladle during ladle baking operation; the gas inlet is communicated with a gas source through a gas valve; the combustion-supporting gas inlet is communicated with a combustion-supporting gas source through a combustion-supporting gas valve, and the combustion-supporting gas comprises air, air and pure oxygen, namely oxygen-enriched mixed gas and pure oxygen.
The supplementary scheme of the invention for further improvement and implementation is as follows:
the combustion pipe, namely the ever-burning fire pipe, which is separately arranged with the combustion head of the burner is arranged, the ever-burning fire pipe is communicated with a gas source, and independently burns in a steel ladle during the operation of baking the ladle and is an ever-burning fire or is called a duty fire, when the combustion head of the burner is flamed out, the combustion head is continuously ignited for burning, or the combustion head can not be ignited again, the ever-burning fire continuously consumes the residual gas in the steel ladle before the gas source and the combustion-supporting gas source are closed, thereby avoiding air pollution and deflagration; one of the arrangement modes of the ever-burning fire tube is that the ever-burning fire tube is combined with an independently arranged burning torch into a whole, and after a burning head of a burning torch ignition burner is ignited, the burning torch still opens gas and is separately and independently burnt with the burning head.
The burner is fixed on the ladle cover in a height-adjustable manner, and the distance between the burner head and the bottom of the ladle is adjustable during ladle baking operation, so that the burner can meet the requirements of ladles with different depths, and the upper position and the lower position of the burner head during heating can be flexibly adjusted.
The combustor is equipped with branch combustion head, and this branch combustion head sets up in the not position of co-altitude of combustor axial to can stretch out and draw back and use the body of combustor as the hub rotation, divide the combustion head can heat the package wall of ladle co-operation not co-altitude, co-operation position during the roast package operation, improve rate of heating, reduce heat time.
The combustion-supporting air valve with the combustion-supporting air inlet connected with the combustion-supporting air source is a manual and automatic change-over switch and can be changed into a mode of being communicated with the air source independently or being communicated with the oxygen source independently or being communicated with the air source and the oxygen source simultaneously and respectively.
The use method of the ladle baking device is characterized by comprising the following steps:
1) selecting a ladle baking device with proper specification and arranging the ladle baking device on a ladle;
2) adjusting a manual change-over switch, and setting the gas supply connection of the combustion-supporting gas and the gas supply connection of the fuel gas;
3) the gas valve and the combustion-supporting gas valve are opened,
4) turning on an igniter for ignition, igniting the long open fire tube, and starting the operation of the baking bag;
5) and determining the operation time of the baking bag according to the operation experience of the baking bag for multiple times, closing the gas and combustion-supporting gas valves after the time is up, and ending the operation of the baking bag.
The supplementary scheme of the invention for further improvement and implementation is as follows:
the movable thermocouple is embedded in the refractory material block and is arranged on the inner wall of the ladle during ladle baking operation so as to detect the change of the temperature of the ladle wall in the ladle baking process; a pressure sensor and a flow sensor are arranged on pipelines respectively communicated with the air source, the oxygen source and the gas source and the air inlet of the combustor, and a booster pump and an automatic control frequency converter capable of controlling the opening and closing of the booster pump and the rotating speed are arranged; a PLC controller is additionally arranged and is in signal and control connection with the pressure sensor, the flow sensor, the automatic control change-over switch, the automatic control frequency converter and the thermocouple; the control method comprises the following steps: the PLC controller controls the automatic control change-over switch and the automatic control frequency converter of the booster pump according to the temperature information obtained from the thermocouple and the preset corresponding adjusting data of the fuel gas and the combustion-supporting gas, so as to realize the change adjustment of the components of the combustion-supporting gas and the adjustment of the gas supply quantity of the fuel gas and the combustion-supporting gas, and the combustion-supporting gas has the following component adjusting modes: adding oxygen and pure oxygen into single air and air; the PLC is provided with a man-machine operation panel and a signal display.
The combustor still is equipped with flame detector, alarm signal generator, and this flame detector and alarm signal generator carry out signal and control connection with the PLC controller, and its control mode is: when the PLC detects that the flame in the ladle is extinguished from the flame detector or the air supply pressure or flow is abnormal, the alarm signal generator sends an alarm signal and closes the air supply valve.
Be equipped with the harmless emission subassembly of flue gas recovery purification above roast package lid, include: roast chartered plane, exhaust pipe, draught fan and gas cleaning ware that communicate in proper order.
The using method of the baking device is characterized by comprising the following steps:
1) the height of the burner is adjusted to ensure that the distance between the burner head and the bottom surface of the ladle is proper: 100-300 mm;
2) presetting control parameters of combustion-supporting gas types and proportions on a human-computer panel of a PLC (programmable logic controller): selecting corresponding combustion-supporting gas types according to the actual requirements of the types of the ladles, the baking temperature and the baking time; such as: pure air is used for combustion supporting, and air and oxygen are mixed, namely oxygen-enriched combustion supporting and pure oxygen combustion supporting are carried out; the type and proportion of the combustion-supporting gas are set in such a way that the whole ladle baking process is one combustion-supporting gas or the combustion-supporting gas is set in sections according to different temperature stages of the ladle; and the temperature which is finally reached by baking the ladle is set to be the shutdown temperature.
3) Starting an operation switch of the PLC, placing a thermocouple on the wall of the ladle, opening valves of fuel gas and combustion-supporting gas, starting an ignition gun to ignite, igniting a long fire tube, and starting ladle baking operation;
4) when an alarm signal is generated in the operation and the shutdown is not normal, the alarm signal is processed in time;
5) and (4) normally stopping the machine: when the set shutdown temperature is reached, the PLC controller controls the closing of the air supply valve to stop running.
The invention has the following beneficial effects:
1) the structure is simple and perfect, the design is reasonable, the flame of the baking bag is heated from the bottom of the steel ladle, the heating speed of the baking bag is high, and the heating temperature is uniform;
2) the ladle baking device is light in weight, convenient to operate, safer and more convenient;
3) the gas and the time are saved, and the production efficiency is improved;
4) the environmental pollution is reduced, and the environmental protection effect is good;
5) the method can be operated simply, manually and automatically, has strong applicability, and has larger market demand and better economic benefit.
Drawings
Fig. 1 is a schematic sectional structure view of a use state of the present invention.
Fig. 2 is an enlarged schematic structural view of a part a in fig. 1.
FIG. 3 is a schematic side view of the present invention.
FIG. 4 is a schematic perspective view of the cover of the present invention
Detailed Description
The invention is described below with reference to the following figures and examples: example 1: referring to the attached drawings, the efficient intelligent ladle baking device is provided with a ladle cover 1 and a burner 2, wherein the ladle cover is provided with a plurality of specifications and is matched with ladles 6 with various specifications, the diameter of the ladle cover is 1000mm, the lower layer of the ladle cover is provided with refractory materials, the ladle cover covers a ladle opening during ladle baking operation, and a gap of 20mm is reserved between the periphery of the ladle cover and the edge of the ladle opening; the burner is arranged in the middle of the ladle cover, is in a pipe column shape made of high-temperature-resistant materials, is 800mm long, is provided with an ignition gun, a gas channel and a combustion-supporting gas channel, and is provided with a combustion head at the lower end; the upper end of the burner, which is arranged outside the ladle cover, is provided with a gas inlet 3, a combustion-supporting gas inlet 4 and an ignition gun interface 5; the combustion head of the combustor extends into the lower part of the steel ladle during ladle baking operation and is 200mm away from the bottom of the steel ladle; the gas inlet is communicated with a gas source through a gas valve; the combustion-supporting gas inlet is communicated with a combustion-supporting gas source through a combustion-supporting gas valve, and the combustion-supporting gas comprises air, air and pure oxygen, namely oxygen-enriched mixed gas and pure oxygen. The combustion pipe which is separated from the combustion head of the combustor, namely the ever-burning fire pipe 7 is arranged, the ever-burning fire pipe and the combustion head are separately and independently combusted, when the combustion head of the combustor is flamed out, the combustion head is continuously ignited for combustion, or the combustion head can not be ignited again, the ever-burning fire continuously consumes the residual gas in the steel ladle before the gas source and the combustion-supporting gas source are closed, and the air pollution and the deflagration caused by the air pollution are avoided. The combustion-supporting gas valve connected with the combustion-supporting gas inlet and the combustion-supporting gas source is a manual and automatic change-over switch and can be changed into a mode of being communicated with the air source independently or being communicated with the oxygen source independently or being communicated with the air source and the oxygen source respectively and simultaneously.
The use method of the baking device comprises the following steps:
1) selecting a ladle baking device with proper specification and arranging the ladle baking device on a ladle;
2) adjusting a manual change-over switch, and setting the air supply connection of combustion-supporting gas and the air supply connection of fuel gas, wherein pure air is adopted for combustion supporting in the embodiment;
3) opening the gas valve and the combustion-supporting gas valve;
4) turning on an igniter for ignition, igniting the long open fire tube, and starting the operation of the baking bag;
5) and determining the operation time of the baking bag according to the experiment and the operation experience of multiple times of baking bags, wherein the operation time is determined to be 5 hours. And after the time is up, closing the gas and combustion-supporting gas valves, and finishing the operation of the baking bag.
Example 2; the utility model provides a roast package device of high-efficient intelligence, the combustor is fixed on the be built by contract height-adjustably, and the regulation mode is that airtight screw and screw combine, and during roast package operation, the distance of its combustion head and ladle bottom is adjustable, adapts to the needs of the different degree of depth ladles, also can adjust the upper and lower position when the combustion head heats in a flexible way. The combustor is equipped with branch combustion head, and this branch combustion head sets up in the not co-altitude position of combustor axial, is provided with respectively apart from combustion head 200mm and 400mm one, and the level sets up to can stretch out and draw back and use the body of combustor as the rotation of axes, branch combustion head can heat the package wall of ladle co-heating of co-altitude not, co-location not of ladle during the roast package operation, improves rate of heating, reduces heating time. Other structures of this embodiment are the same as those of embodiment 1, and are not described again.
The use method of the above embodiment is only based on the method of embodiment 1, the adjustment of the height of the burner is added firstly, the distance between the burning head and the bottom surface of the ladle is 250mm, the ladle baking time is determined to be 2.5 hours, and other methods are the same as the method of embodiment 1 and are not repeated. The method has the advantages of obvious effect, half-shortened ladle baking time, uniform temperature and obvious molten steel pouring effect in steel package.
Example 3: a high-efficiency intelligent ladle baking device is provided with a movable thermocouple embedded in a refractory material block, wherein the thermocouple is arranged on the inner wall of a ladle during ladle baking operation and is used for detecting the change of the temperature of the inner wall of the ladle in the ladle baking process; a pressure sensor and a flow sensor are arranged on pipelines respectively communicated with the air source, the oxygen source and the gas source and the air inlet of the combustor, and a booster pump and an automatic control frequency converter capable of controlling the opening and closing of the booster pump and the rotating speed are arranged; a PLC controller is additionally arranged and is in signal and control connection with the pressure sensor, the flow sensor, the automatic control change-over switch, the automatic control frequency converter and the thermocouple; the control method comprises the following steps: the PLC controller controls the automatic control change-over switch and the automatic control frequency converter of the booster pump according to the temperature information obtained from the thermocouple and the preset corresponding adjusting data of the fuel gas and the combustion-supporting gas, so as to realize the change adjustment of the components of the combustion-supporting gas and the adjustment of the gas supply quantity of the fuel gas and the combustion-supporting gas, and the combustion-supporting gas has the following component adjusting modes: single air, air plus oxygen, single pure oxygen; the PLC is provided with a man-machine operation panel and a signal temperature display. The combustor still is equipped with flame detector, alarm signal generator, and this flame detector and alarm signal generator carry out signal and control connection with the PLC controller, and its control mode is: when the PLC detects that the flame in the ladle is extinguished from the flame detector or the air supply pressure or flow is abnormal, the alarm signal generator sends an alarm signal and closes the air supply valve. Be equipped with the harmless emission subassembly of flue gas recovery purification above roast package lid, include: roast chartered plane, exhaust pipe, draught fan and gas cleaning ware that communicate in proper order. Other parts of the structure of this embodiment are the same as those of the embodiment, and are not described again.
The application method of the embodiment comprises the following steps:
1) firstly, adjusting the height of a burner to enable a burning head of the burner to be 300mm away from the bottom surface of a steel ladle;
2) presetting control parameters of combustion-supporting gas types and proportions on a human-computer panel of a PLC (programmable logic controller): selecting corresponding combustion-supporting gas types according to the actual requirements of the types of the ladles, the baking temperature and the baking time; the selection categories are: pure air is used for combustion supporting, and air and oxygen are mixed, namely oxygen-enriched combustion supporting and pure oxygen combustion supporting are carried out; the embodiment adopts the sectional operation, and the sectional temperature of different combustion-supporting gas and the flow proportion of each combustion-supporting gas component in each temperature section are changed according to the temperature; the following settings are set: air is used as combustion-supporting gas below 600 ℃; oxygen-enriched combustion-supporting gas is used at 600 ℃ and 1000 ℃, namely air and pure oxygen are mixed to be used as the combustion-supporting gas; over 1000 pure oxygen is used as combustion-supporting gas. And the temperature which is finally reached by baking the ladle is set to be 1500 ℃ which is the shutdown temperature.
3) Starting an operation switch of the PLC, putting a thermocouple on the wall of the ladle, opening valves of fuel gas and combustion-supporting gas, starting an ignition gun for ignition, and starting ladle baking operation;
4) when an alarm signal is generated in the operation and the shutdown is not normal, the alarm signal is processed in time;
5) and (4) normally stopping the machine: when the set shutdown temperature is reached, the PLC controller controls the closing of the air supply valve to stop running.
The embodiment obtains ideal effect after 6 months of trial operation, shortens the ladle baking time by 20-30%, saves gas by 25-30%, avoids the phenomenon that the ladle pouring is influenced due to insufficient or overhigh temperature of the ladle, saves labor, is labor-saving and safe to operate, and greatly improves the environmental protection effect.
It should be noted that, without changing the basic technical solution of the present invention, any great or small changes should be made within the protection scope of the present invention.
Claims (4)
1. The utility model provides a roast package device of high-efficient intelligence is equipped with be built by contract (1), combustor (2), its characterized in that: the ladle cover is provided with a plurality of specifications and is matched with ladles (6) with various specifications, the lower layer of the ladle cover is provided with refractory materials and covers the ladle opening during ladle baking operation, and a gap is reserved between the periphery of the ladle cover and the edge of the ladle opening; the middle of the ladle cover is provided with the burner which is in a tubular column shape made of high-temperature resistant materials, an ignition gun, a gas channel and a combustion-supporting gas channel are arranged in the tube, and the lower end of the tube is provided with a combustion head; the upper end of the burner, which is arranged outside the ladle cover, is provided with a gas inlet (3), a combustion-supporting gas inlet (4) and an ignition gun connector (5); the combustion head of the combustor extends into the lower part of the ladle during ladle baking operation; the gas inlet is communicated with a gas source through a gas valve; the combustion-supporting gas inlet is communicated with a combustion-supporting gas source through a combustion-supporting gas valve, and the combustion-supporting gas comprises air, air and pure oxygen, namely oxygen-enriched mixed gas and pure oxygen;
the movable thermocouple is embedded in the refractory material block and is arranged on the inner wall of the ladle during ladle baking operation so as to detect the change of the temperature of the ladle wall in the ladle baking process; a pressure sensor and a flow sensor are arranged on pipelines respectively communicated with the air source, the oxygen source and the gas source and the air inlet of the combustor, and a booster pump and an automatic control frequency converter capable of controlling the opening and closing of the booster pump and the rotating speed are arranged; a PLC controller is additionally arranged and is in signal and control connection with the pressure sensor, the flow sensor, the automatic change-over switch, the automatic control frequency converter and the thermocouple; the control method comprises the following steps: the PLC controller controls the automatic change-over switch and the automatic control frequency converter of the booster pump according to the temperature information obtained from the thermocouple and the preset corresponding adjusting data of the fuel gas and the combustion-supporting gas, so as to realize the change adjustment of the components of the combustion-supporting gas and the adjustment of the gas supply quantity of the fuel gas and the combustion-supporting gas, and the combustion-supporting gas has the following component adjusting modes: single air, air plus oxygen, single pure oxygen; the PLC is provided with a man-machine operation panel and a signal temperature display;
the combustor still is equipped with flame detector, alarm signal generator, and this flame detector and alarm signal generator carry out signal and control connection with the PLC controller, and its control mode is: when the PLC detects that the flame in the ladle is extinguished from the flame detector or the air supply pressure or flow is abnormal, the PLC sends an alarm signal through the alarm signal generator and closes the air supply valve;
be equipped with the harmless emission subassembly of flue gas recovery purification above roast package lid, include: the baking and packaging cover, the smoke exhaust pipeline, the draught fan and the smoke purifier are communicated in sequence;
the combustion-supporting gas valve connected with the combustion-supporting gas inlet and the combustion-supporting gas source is a manual and automatic change-over switch and can be changed into a mode of being communicated with the air source independently or being communicated with the oxygen source independently or being communicated with the air source and the oxygen source simultaneously and respectively;
the use method of the ladle baking device comprises the following steps:
1) the height of the burner is adjusted to ensure that the distance between the burner head and the bottom surface of the ladle is proper: 100-300 mm;
2) presetting control parameters of combustion-supporting gas types and proportions on a human-computer panel of a PLC (programmable logic controller): selecting corresponding combustion-supporting gas types according to the actual requirements of the types of the ladles, the baking temperature and the baking time; the selection categories are: pure air is used for combustion supporting, and air and oxygen are mixed, namely oxygen-enriched combustion supporting and pure oxygen combustion supporting are carried out; the type and proportion of the combustion-supporting gas are set in such a way that the whole process of the ladle baking is one combustion-supporting gas or the combustion-supporting gas is set in sections according to different temperature stages of the ladle; setting the temperature which is reached at the last time of baking the steel ladle to be the shutdown temperature;
3) starting an operation switch of the PLC, putting a thermocouple on the wall of the ladle, opening valves of fuel gas and combustion-supporting gas, starting an ignition gun to ignite, igniting a long fire tube, and starting ladle baking operation;
4) when an alarm signal is generated in the operation and the shutdown is not normal, the alarm signal is processed in time;
5) and (4) normally stopping the machine: when the set shutdown temperature is reached, the PLC controller controls the closing of the air supply valve to stop running.
2. The ladle baking device according to claim 1, wherein: the fire tube (7) is arranged separately from the combustion head of the burner and is communicated with a gas source, the fire tube can independently burn in a steel ladle during the operation of baking the ladle and is a long open fire or a duty fire, when the combustion head of the burner is flamed out, the combustion head is continuously ignited for burning, or the combustion head can not be ignited again, the long open fire can continuously consume the residual gas in the steel ladle before the gas source and the combustion-supporting gas source are closed, thereby avoiding air pollution and deflagration.
3. The ladle baking device according to claim 1, wherein: the burner is fixed on the ladle cover in a height-adjustable manner, and the distance between the burner head and the bottom of the ladle is adjustable during ladle baking operation, so that the burner can meet the requirements of ladles with different depths, and the upper position and the lower position of the burner head during heating can be flexibly adjusted.
4. The ladle baking device according to claim 1, wherein: the combustor is equipped with branch combustion head, and this branch combustion head sets up in the not position of co-altitude of combustor axial to can stretch out and draw back and use the body of combustor as the hub rotation, divide the combustion head can heat the package wall of ladle co-operation not co-altitude, co-operation position during the roast package operation, improve rate of heating, reduce heat time.
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| 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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| CN201810126684.8A CN108436068B (en) | 2018-02-08 | 2018-02-08 | Efficient intelligent bag baking device and using method thereof |
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| 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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| JPS6030718Y2 (en) * | 1981-07-07 | 1985-09-13 | 日本鋼管株式会社 | Fireproof lining curing device |
| JPS59113967A (en) * | 1982-12-20 | 1984-06-30 | Nippon Kokan Kk <Nkk> | Drying and heating device of pan for metallurgy |
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| CN203343425U (en) * | 2012-09-03 | 2013-12-18 | 中冶南方工程技术有限公司 | Fast baking device for ladle |
| CN102806344B (en) * | 2012-09-06 | 2014-11-19 | 北京志能祥赢节能环保科技有限公司 | Oxygen-enriched ladle baking device by using low calorific value blast furnace coal gas |
| CN105108128B (en) * | 2015-10-10 | 2017-03-29 | 抚顺新钢铁有限责任公司 | A kind of continuous casting tundish energy-conservation baking system and its use technique |
| CN105234383B (en) * | 2015-10-28 | 2017-11-21 | 亚新铸造（苏州）有限公司 | A kind of ladle dryer being used in casting |
| CN107127326A (en) * | 2016-02-29 | 2017-09-05 | 鞍钢股份有限公司 | A kind of spiral burner ladle baking facilities and baking method |
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