CN102401563A - Water-cooling furnace cover of ladle refining furnace with high-temperature camera shooting function - Google Patents

Water-cooling furnace cover of ladle refining furnace with high-temperature camera shooting function Download PDF

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Publication number
CN102401563A
CN102401563A CN2011103901415A CN201110390141A CN102401563A CN 102401563 A CN102401563 A CN 102401563A CN 2011103901415 A CN2011103901415 A CN 2011103901415A CN 201110390141 A CN201110390141 A CN 201110390141A CN 102401563 A CN102401563 A CN 102401563A
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China
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water
bell
cover
cooled
pipe
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CN2011103901415A
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Chinese (zh)
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CN102401563B (en
Inventor
黄震
吴杰
孙亚飞
倪杰
崔立程
陈靖
宋涛
朱秉斌
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宝钢工程技术集团有限公司
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Priority to CN201110390141.5A priority Critical patent/CN102401563B/en
Publication of CN102401563A publication Critical patent/CN102401563A/en
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Publication of CN102401563B publication Critical patent/CN102401563B/en

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Abstract

The invention relates to a water-cooling furnace cover of a ladle refining (LF) furnace with high-temperature camera shooting function; a sliding flue is connected onto a side smoke exhaust hood by a pin shaft, and is connected with a water-cooling pipeline of the side smoke exhaust hood by a metal hose; the side smoke exhaust hood is connected with a furnace cover body by a flange, and is connected with the water-cooling pipeline by another metal hose; the upper part of a center piece is surrounded with three electrode holes, and electrode holders can be arranged in the electrode holes; the center piece is arranged on the side smoke exhaust hood and is used for preventing the outside air from entering into the side smoke exhaust hood; the center piece is connected with the side smoke exhaust hood by another flange and another pin shaft, and is connected with the water-cooling pipeline by another metal hose; three pieces of H-beam steel are welded with the furnace cover body into a whole, so that three furnace cover suspension points can be formed and are used for supporting a water distributor; the furnace cover body is provided with a high-temperature camera shooting device for monitoring the condition in the furnace in real time; and the water-cooling furnace cover has a full water-cooling structural form. The invention confirms a structural form of an energy-saving and environment-friendly water-cooling furnace cover of the LF furnace with the high-temperature camera shooting function, and the water-cooling furnace cover is provided with the high-temperature camera shooting device, so that the condition in the furnace can be monitored in real time.

Description

The ladle refining furnace water cooled cover of band high temperature camera function
Technical field
The present invention relates to the LF ladle refining furnace, particularly a kind of energy saving and environment friendly water cooled cover of the ladle refining furnace with the high temperature camera function.
Background technology
The water cooled cover of LF ladle refining furnace is used for keeping the reducing atmosphere of processing procedure, collects the flue dust that produces in the LF stove smelting process.The design of present domestic LF stove water cooled cover is the drawing of indiscriminately imitating original similar item mostly, therefore, though the function of bell can satisfy the production needs, can not satisfy energy conservation and environment protection, mainly shows following three aspects:
1, the design of bell dedusting exhausting loop is unreasonable, and when causing suction air volume too small, flue gas escapes seriously, severe operational environment; When suction air volume was excessive, then the heat treatment atmosphere was taken away in a large number in the stove, causes energy waste, caused that programming rate descends.
2, the design of bell water cooling labyrinth is unreasonable, if cooling water flow is too small, causes the bell cooling effect poor, and inhomogeneous cooling is even, thereby influences the service life of water cooled cover; If cooling water flow is excessive, make that then the thermal loss that is caused by cooling water is excessive.
3, existing LF stove does not possess camera function in the stove, lacks the monitoring to smelting process.
Water cooled cover is the nucleus equipment of LF ladle refining furnace, also is the key point that normal operation of whole ladle furnace and clean steel are produced.The energy-conserving and environment-protective performance of water cooled cover also is the important prerequisite condition that guarantees the operation of ladle refining furnace low-carbon (LC).
In view of this, seek a kind of ladle refining furnace water cooled cover and become pursuing one's goal of these those skilled in the art with the high temperature camera function.
Summary of the invention
Task of the present invention provides a kind of ladle refining furnace water cooled cover with the high temperature camera function; It has solved the existing in prior technology problem; From energy balance and heat transfer principle angle the exhaust gas volumn and the cooling water inflow of LF stove water cooled cover are analyzed and calculated; And utilize the high-precision test means to carry out pressure-fired regulation technology control, confirmed a kind of structural shape of the energy saving and environment friendly LF stove water cooled cover with the high temperature camera function.
Technical solution of the present invention is following:
A kind of ladle refining furnace water cooled cover with the high temperature camera function; It comprises the bell body, and it comprises that also slip flue, side smoking cover, rifle are with door, actuating doors, central part, bell pipe arrangement, bottom petticoat pipe, telescopic tube, the reinforced sleeve pipe in water-cooled bottom and electrode tip holder;
Said slip flue is welded by steel pipe, is connected on the side smoking cover through bearing pin, and connects with side smoking cover water-cooled pipeline through metal hose;
Said side smoking cover is welded by steel pipe, is connected through flange with the bell body, and connects with the water-cooled pipeline through metal hose;
Said central part is welded by steel pipe; Central part top is with three electrode holes can placing electrode tip holder; Central part places on the side smoking cover and gets into isolated extraneous air, and central part passes through flange, bearing pin and links to each other with the side smoking cover, and connects with the water-cooled pipeline through metal hose;
Said rifle is welded by steel pipe with door, through air cylinder driven;
Said actuating doors is welded by steel plate, is water wall structure, and actuating doors is in tilted layout;
Said bell body is welded by steel pipe, and three H shaped steel and bell body welding one form three bell suspension centres and support water dispenser; The welding of said bell body top and side smoking cover, bell body bottom and the welding of bottom petticoat pipe, it is suitable for reading that shirt rim, bell body bottom is enclosed in ladle, and have a spacing apart from ladle is suitable for reading, with the permission ladle slag slightly that covers suitable for reading; The reinforced sleeve pipe in the water-cooled bottom of said bell body is made into inverted cone-shaped structure, the inner flue gas of the stove that produces when smelting in the ladle to collect;
The high temperature camera head is housed with situation in the real-time monitoring stove on the said bell body;
Said bottom petticoat pipe is welded by steel plate, and the petticoat pipe pipeline divides two-layer up and down, and is isolated each other;
The reinforced sleeve pipe in said water-cooled bottom is welded by steel plate and steel pipe, is water wall structure, vertically is positioned on the bell body;
Said telescopic tube and water-cooled bottom charge pipe are through bolt together;
Said water cooled cover is the full water cooling structural shape.
Said electrode tip holder is made up of two parts up and down, and three altogether of upper electrode seats are on the centering spare; The lower electrode seat is an integral form, places on the bell body to be used for bell and interelectrode insulation and isolated flue gas.
On the said side smoking cover hydraulic pressure flap valve is set, realizes the control of bell pressure-fired with the air quantity of regulating main air draft pipeline.
Cleaning shaft is connected in said side smoking cover and the workshop, electric control valve is housed on the cleaning shaft regulates to carry out pressure-fired.
Said bell body is provided with perforate at actuating doors, rifle with door and near feeding place, silk hole, to aspirate the excessive flue gas of said perforate.
Said bell body is provided with several furnace pressure test points.
Said petticoat pipe pipeline is provided with eight shoot doors along circle distribution, and shoot door is stuck on the petticoat pipe of bottom through round steel, and through sealing strip and the sealing of bottom petticoat pipe.
Be equipped with safety valve on the water inlet of said water cooled cover and the return main.
The cooling water Inlet and outlet water house steward of said water cooled cover is provided with flow instrumentation, and outfall sewer is provided with temperature instrument.
The ladle refining furnace water cooled cover of band high temperature camera function of the present invention has following technical characterstic:
1, from energy balance and heat transfer principle angle the exhaust gas volumn and the cooling water inflow of LF stove water cooled cover are analyzed and calculated, for the technological parameter of confirming provides theoretical foundation.
2, adopt the higher precision differential pressure transmitter to carry out furnace pressure and detect, can keep furnace pressure+5 in+50Pa scope.
3, adopt the hydraulic pressure flap valve and the electric control valve associating air quantity regulation technology of hydraulic proportion valve control, realize the real-time regulated of dedusting air quantity.
4, adopt the double-deck coil structures of anti-the material, help keeping reducing atmosphere, avoid furnace high-temperature atmosphere to run off, reduce all kinds of consumption.
5, the high temperature camera head has been installed on water cooled cover, can have been monitored situation in the stove in real time.
Description of drawings
Fig. 1 is the front view of a kind of ladle refining furnace water cooled cover with the high temperature camera function of the present invention.
Fig. 2 is by right view shown in Figure 1.
Fig. 3 is the angular field of view figure of the high temperature resistant video camera of Fig. 1 water cooled cover.
Fig. 4 is the position view of the hydraulic pressure flap valve of Fig. 1 water cooled cover.
Reference numeral:
1 is actuating doors, 2 for advance, the backwater distributor, 3 is the electrode tip holder central part, 4 is the side smoking cover; 5 is electrode tip holder, and 6 is the bell body, and 7 is the bottom petticoat pipe, and 8 is the high temperature camera head; 9 is the hydraulic pressure flap valve, and 10 are the slip flue, and 11 are rifle usefulness door; 12 is telescopic tube, and 13 is the charge pipe sealing gland, and 14 are the reinforced sleeve pipe in water-cooled bottom.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Referring to Fig. 1 to Fig. 4; The invention provides a kind of ladle refining furnace water cooled cover with the high temperature camera function, it mainly is made up of with door 11, actuating doors 1, central part 3, bell pipe arrangement, bottom petticoat pipe 7, telescopic tube 12, the reinforced sleeve pipe 14 in water-cooled bottom, charge pipe sealing gland 13 and electrode tip holder 5 bell body 6, slip flue 10, side smoking cover 4, rifle.
Slip flue 10 is welded by steel pipe, is connected on the side smoking cover 4 through bearing pin, and connects with side smoking cover 4 water-cooled pipelines through metal hose.Side smoking cover 4 is welded by steel pipe, is connected through flange with bell body 6, and connects with the water-cooled pipeline through metal hose.
Central part 3 is welded by steel pipe; Central part 3 tops are with three electrode holes can placing electrode tip holder 5; Central part 3 places on the side smoking cover 4 and gets into isolated extraneous air, and central part 3 passes through flange, bearing pin and links to each other with side smoking cover 4, and connects with the water-cooled pipeline through metal hose.
Electrode tip holder 5 is made up of two parts up and down, and three altogether of upper electrode seats 5 are on the centering spare 3; Lower electrode seat 5 is an integral form, places on the bell body 6 to be used for bell and interelectrode insulation and isolated flue gas.
Rifle is welded by steel pipe with door 11, through air cylinder driven.Actuating doors 1 is welded by steel plate, is water wall structure, and actuating doors 1 is in tilted layout.
Bell body 6 is welded by steel pipe, and three H shaped steel and bell body 6 welding one form three bell suspension centres and support water dispenser 2.Bell body 6 tops and 4 welding of side smoking cover, bell body 6 bottoms and 7 welding of bottom petticoat pipe, it is suitable for reading that shirt rim, bell body 6 bottom is enclosed in ladle, and suitable for reading at regular intervals apart from ladle, to allow the ladle slag slightly that covers suitable for reading.The reinforced sleeve pipe 14 in the water-cooled bottom of bell body 6 is made into inverted cone-shaped structure, the inner flue gas of the stove that produces when smelting in the ladle to collect.Bell body 6 is provided with perforate at actuating doors 1, rifle with door 11 and near feeding place, silk hole, with the excessive flue gas of suction perforate.
Installing high temperature camera head 8 is with situation in the real-time monitoring stove on bell body 6.Several furnace pressure test points also are set on bell body 6.
Bottom petticoat pipe 7 is welded by steel plate, and the petticoat pipe pipeline divides two-layer up and down, and is isolated each other.
The reinforced sleeve pipe 14 in water-cooled bottom is welded by steel plate and steel pipe, is water wall structure, vertically is positioned on the bell body 6.Telescopic tube 12 passes through bolt together with the reinforced sleeve pipe 14 in water-cooled bottom.
Hydraulic pressure flap valve 9 is set on side smoking cover 4,, realizes the control of bell pressure-fired to regulate the air quantity of main air draft pipeline.Cleaning shaft is connected in side smoking cover 4 and the workshop, electric control valve is housed on the cleaning shaft regulates to carry out pressure-fired.
The petticoat pipe pipeline is provided with eight shoot doors along circle distribution, and shoot door is stuck on the petticoat pipe 7 of bottom through round steel, and through sealing strip and 7 sealings of bottom petticoat pipe.
Safety valve all is set on the water inlet of water cooled cover and the return main.The cooling water Inlet and outlet water house steward of water cooled cover is provided with flow instrumentation, and outfall sewer is provided with temperature instrument.
Water cooled cover of the present invention is the full water cooling structural shape, and whole water cooled cover forms with seamless steel pipe and elbow assembly welding, forms the high-efficiency water cooling forced circulation that current-sharing does not have the dead point.The structural member and the function of water cooled cover are following:
The slip flue is welded by the 20g steel pipe, is used to regulate the sectional area of side smoking cover, thereby regulates the air quantity of bell top flue gas.The slip flue is connected on the side smoking cover through four bearing pins, and cooling line is to connect with side smoking cover water-cooled pipeline through metal hose.
The side smoking cover is welded by the 20g steel pipe, is used to collect the inboard flue gas of ladle, is connected through flange with the bell body, is convenient for changing.Cooling line is to connect with the water-cooled pipeline through metal hose.Cleaning shaft is connected (certain interval being arranged, so that utilize wild wind that high-temperature flue gas is cooled off) in side smoking cover and the workshop.Electric control valve is housed on the cleaning shaft, makes bell have the pressure-fired regulatory function, prevent that so not only outside atmosphere from getting into ladle, keep the inner reducing atmosphere of ladle, and prevent the flue gas effusion.The possibility that this layout makes air entering ladle contact inner molten steel drops to minimum.Some furnace pressure test points can be set on the bell, can carry out furnace pressure and detect, and carry out furnace pressure through the position electric control valve and regulate, to guarantee the pressure-fired atmosphere in the bell.
Central part is to be welded by the 20g steel pipe, and top crosses three electrode holes, so that place electrode tip holder.Central part places on the side smoking cover, gets in order to isolated extraneous air, guarantees dust removing effects and thermal loss preferably.Central part links to each other with the side smoking cover through flange, bearing pin, and is for convenience detach.Cooling line is to connect with the water-cooled pipeline through metal hose.Electrode tip holder is processed by corundum, forms three altogether of upper electrode seats by two parts up and down; On the centering spare, compare, reduced the use amount of corundum greatly with the form of the upper electrode seat being made an integral body in the past; And but the service life of raising central part is cooled off in water flowing.The lower electrode seat is an integral form, places on the bell body, is used for bell and interelectrode insulation and isolated flue gas.Adopt the double-deck coil structures of anti-the material, help keeping reducing atmosphere, avoid furnace high-temperature atmosphere to run off, reduce all kinds of consumption.
Accident argon rifle door is welded by the 20g steel pipe, through air cylinder driven, is used for the operation that BOTTOM ARGON BLOWING is blown accident argon rifle decline Argon when obstructed.
Actuating doors is welded by the Q345R steel plate, water wall structure, and actuating doors is in tilted layout, with handled easily.
The bell body is whole water cooled cover basis, is welded by the 20g steel pipe, and poorly sealed Mi Chu is with the shutoff of Q245R steel plate.Three H shaped steel and bell body welding one are for the hositing mechanism of furnace roof provides three bell suspension centres and is used for the support of water dispenser.The bell body is used for support-side smoking cover, material alloying pipe, accident argon rifle door, actuating doors, feeds silk hole etc.Bell body top and the welding of side smoking cover; Bell body bottom and the welding of bottom petticoat pipe; It is suitable for reading that shirt rim, bell body bottom is enclosed in ladle; And suitable for reading at regular intervals apart from ladle, can allow the ladle slag that covers certain altitude suitable for reading, and guarantee that this internal system flue gas and extraneous air can be pumped among the cleaning shaft in the workshop through the bottom petticoat pipe simultaneously.The reinforced sleeve pipe in water-cooled bottom is made into inverted cone-shaped structure, is used to collect the inner flue gas of the stove that produces when smelting in the ladle, and the structure of this back taper can prevent effectively that the slag that splashes from sticking on the water cooled cover and be easy to cleaning.Near actuating doors, accident argon rifle door and hello place, silk hole, the bell body is provided with perforate, is used to aspirate the excessive flue gas of above-mentioned three places perforate.
The bottom petticoat pipe is welded by the Q345R steel plate, and the petticoat pipe pipeline divides two-layer up and down, and is isolated each other, is respectively applied for the suction of two parts flue gas before and after the ladle, prevents only to aspirate flue gas local in the ladle.Have eight on the pipeline along the circle distribution shoot door, shoot door is stuck on the petticoat pipe of bottom through round steel, and through sealing strip and the sealing of bottom petticoat pipe, not excessive to guarantee flue gas.This bottom petticoat pipe is mainly used in the flue gas of collecting the ladle outside and can clears up the petticoat pipe dust stratification through shoot door.
Alloy material is joined in the ladle by telescopic tube, the reinforced sleeve pipe in water-cooled bottom.The reinforced sleeve pipe in water-cooled bottom is welded by Q345R steel plate and steel pipe, is water wall structure, vertically is positioned on the bell body.Feeding device is fixed on the bell body through steady pin, is used to prevent the influence of molten steel hyperthermia radiation to charge pipe.Telescopic tube and water-cooled bottom charge pipe are through bolt together.
All cooling waters that need change parts and moving component connect and all to adopt metal hose to connect, with for convenience detach, change and motion.Remaining cooling water circulation is direct and distributor welding with steel pipe.Each cooling circuit all is furnished with the ball valve that is used to regulate discharge, for preventing the damage of ball valve, is furnished with corresponding expansion joint.Each cooling circuit all is furnished with voltage supply joint and the ball valve that air purge uses that contract.On bell water inlet and the return main safety valve is set all.
As shown in Figure 3, high temperature camera head 8 has been installed on the bell body 6, can have been monitored situation in the stove in real time.
Bell cooling water Inlet and outlet water house steward is provided with flow instrumentation (difference in flow is set reports to the police), and outfall sewer is provided with temperature instrument.The temperature of water cooled cover, flow are kept watch on, write down, are reported to the police by PLC.The highest return water temperature≤55 ° C.
As shown in Figure 4, a hydraulic pressure flap valve 9 is set on side smoking cover 4, is used to regulate the air quantity of main air draft pipeline, thereby realize the control of bell pressure-fired, make bell have the pressure-fired regulatory function.Pressure tappings in three stoves is set on the bell body, gathers after the pressure and carry out pressure detecting, can realize that through high-precision pressure difference transmitter furnace pressure monitors in real time; And carry out furnace pressure through regulator solution pressure plate valve and motorized adjustment valve opening and regulate, to guarantee the pressure-fired atmosphere in the stove, can keep furnace pressure within+5-+50Pa scope; Can prevent that so not only outside atmosphere from getting into ladle; Keep the inner reducing atmosphere of ladle, prevent the flue gas effusion simultaneously, reach environmental requirement.
In sum; The ladle refining furnace water cooled cover of band high temperature camera function of the present invention has following advantage: from energy balance and heat transfer principle angle the exhaust gas volumn and the cooling water inflow of LF stove water cooled cover are analyzed and calculated, for the technological parameter of confirming provides theoretical foundation; Adopt the higher precision differential pressure transmitter to carry out furnace pressure and detect, can keep furnace pressure+5 in+50Pa scope; Adopt the hydraulic pressure flap valve and the electric control valve associating air quantity regulation technology of hydraulic proportion valve control, realize the real-time regulated of dedusting air quantity; Adopt the double-deck coil structures of anti-the material, help keeping reducing atmosphere, avoid furnace high-temperature atmosphere to run off, reduce all kinds of consumption; The high temperature camera head has been installed on water cooled cover, can have been monitored situation in the stove in real time.
Certainly; Those skilled in the art in the present technique field will be appreciated that; The foregoing description only is to be used for explaining the present invention; And be not with opposing qualification of the present invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention the variation of the foregoing description, modification etc.

Claims (9)

1. ladle refining furnace water cooled cover with the high temperature camera function; It comprises the bell body, it is characterized in that: it comprises that also slip flue, side smoking cover, rifle are with door, actuating doors, central part, bell pipe arrangement, bottom petticoat pipe, telescopic tube, the reinforced sleeve pipe in water-cooled bottom and electrode tip holder;
Said slip flue is welded by steel pipe, is connected on the side smoking cover through bearing pin, and connects with side smoking cover water-cooled pipeline through metal hose;
Said side smoking cover is welded by steel pipe, is connected through flange with the bell body, and connects with the water-cooled pipeline through metal hose;
Said central part is welded by steel pipe; Central part top is with three electrode holes can placing electrode tip holder; Central part places on the side smoking cover and gets into isolated extraneous air, and central part passes through flange, bearing pin and links to each other with the side smoking cover, and connects with the water-cooled pipeline through metal hose;
Said rifle is welded by steel pipe with door, through air cylinder driven;
Said actuating doors is welded by steel plate, is water wall structure, and actuating doors is in tilted layout;
Said bell body is welded by steel pipe, and three H shaped steel and bell body welding one form three bell suspension centres and support water dispenser; The welding of said bell body top and side smoking cover, bell body bottom and the welding of bottom petticoat pipe, it is suitable for reading that shirt rim, bell body bottom is enclosed in ladle, and have a spacing apart from ladle is suitable for reading, with the permission ladle slag slightly that covers suitable for reading; The reinforced sleeve pipe in the water-cooled bottom of said bell body is made into inverted cone-shaped structure, the inner flue gas of the stove that produces when smelting in the ladle to collect;
The high temperature camera head is housed with situation in the real-time monitoring stove on the said bell body;
Said bottom petticoat pipe is welded by steel plate, and the petticoat pipe pipeline divides two-layer up and down, and is isolated each other;
The reinforced sleeve pipe in said water-cooled bottom is welded by steel plate and steel pipe, is water wall structure, vertically is positioned on the bell body;
Said telescopic tube and water-cooled bottom charge pipe are through bolt together;
Said water cooled cover is the full water cooling structural shape.
2. the ladle refining furnace water cooled cover of band high temperature camera function according to claim 1 is characterized in that: said electrode tip holder is made up of two parts up and down, and three altogether of upper electrode seats are on the centering spare; The lower electrode seat is an integral form, places on the bell body to be used for bell and interelectrode insulation and isolated flue gas.
3. the ladle refining furnace water cooled cover of band high temperature camera function according to claim 1 is characterized in that: on the said side smoking cover hydraulic pressure flap valve is set, realizes the control of bell pressure-fired with the air quantity of regulating main air draft pipeline.
4. the ladle refining furnace water cooled cover of band high temperature camera function according to claim 1 is characterized in that: cleaning shaft is connected in said side smoking cover and the workshop, electric control valve is housed on the cleaning shaft regulates to carry out pressure-fired.
5. the ladle refining furnace water cooled cover of band high temperature camera function according to claim 1 is characterized in that: said bell body is provided with perforate at actuating doors, rifle with door and near feeding place, silk hole, to aspirate the excessive flue gas of said perforate.
6. the ladle refining furnace water cooled cover of band high temperature camera function according to claim 1 is characterized in that: said bell body is provided with several furnace pressure test points.
7. the ladle refining furnace water cooled cover of band high temperature camera function according to claim 1; It is characterized in that: said petticoat pipe pipeline is provided with eight shoot doors along circle distribution; Shoot door is stuck on the petticoat pipe of bottom through round steel, and through sealing strip and the sealing of bottom petticoat pipe.
8. the ladle refining furnace water cooled cover of band high temperature camera function according to claim 1 is characterized in that: be equipped with safety valve on the water inlet of said water cooled cover and the return main.
9. the ladle refining furnace water cooled cover of band high temperature camera function according to claim 1 is characterized in that: the cooling water Inlet and outlet water house steward of said water cooled cover is provided with flow instrumentation, and outfall sewer is provided with temperature instrument.
CN201110390141.5A 2011-12-01 2011-12-01 Water-cooling furnace cover of ladle refining furnace with high-temperature camera shooting function CN102401563B (en)

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CN102401563A true CN102401563A (en) 2012-04-04
CN102401563B CN102401563B (en) 2014-01-01

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CN103512037A (en) * 2013-09-25 2014-01-15 欧萨斯能源环境设备(南京)有限公司 Water-cooling screen of Isa furnace
CN103924032A (en) * 2014-04-03 2014-07-16 宝钢工程技术集团有限公司 Water-cooled cover working door
CN103925793A (en) * 2014-04-03 2014-07-16 宝钢工程技术集团有限公司 Water-cooled furnace cover feeding and dedusting device and water-cooled furnace cover feeding system
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Publication number Priority date Publication date Assignee Title
CN103225958A (en) * 2013-05-17 2013-07-31 中冶赛迪工程技术股份有限公司 Water-cooling inert gas furnace cover
CN103512037A (en) * 2013-09-25 2014-01-15 欧萨斯能源环境设备(南京)有限公司 Water-cooling screen of Isa furnace
CN103512037B (en) * 2013-09-25 2016-09-14 欧萨斯能源环境设备(南京)有限公司 A kind of Isa furnace water-cooling screen
CN103924032A (en) * 2014-04-03 2014-07-16 宝钢工程技术集团有限公司 Water-cooled cover working door
CN103925793A (en) * 2014-04-03 2014-07-16 宝钢工程技术集团有限公司 Water-cooled furnace cover feeding and dedusting device and water-cooled furnace cover feeding system
CN103924032B (en) * 2014-04-03 2015-11-11 宝钢工程技术集团有限公司 Water cooled cover cleaning door
CN103925793B (en) * 2014-04-03 2016-03-02 宝钢工程技术集团有限公司 Water cooled cover feeds in raw material dust arrester and water cooled cover charging system
CN106399624A (en) * 2016-06-12 2017-02-15 江苏永钢集团有限公司 Ladle refining furnace water-cooling furnace cover
CN106247801A (en) * 2016-09-29 2016-12-21 宝钢工程技术集团有限公司 A kind of water cooled cover of ladle refining furnace
CN106247801B (en) * 2016-09-29 2019-04-12 宝钢工程技术集团有限公司 A kind of water cooled cover of ladle refining furnace

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