CN102826748B - Electromagnetic induction slag smelting furnace meeting requirement on mineral wool production with short process and production method thereof - Google Patents
Electromagnetic induction slag smelting furnace meeting requirement on mineral wool production with short process and production method thereof Download PDFInfo
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- CN102826748B CN102826748B CN201210317917.5A CN201210317917A CN102826748B CN 102826748 B CN102826748 B CN 102826748B CN 201210317917 A CN201210317917 A CN 201210317917A CN 102826748 B CN102826748 B CN 102826748B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to an electromagnetic induction slag smelting furnace meeting the requirement on mineral wool production with a short process and a production method thereof. The electromagnetic induction slag smelting furnace has the structure that the electromagnetic induction slag smelting furnace is fixed on a trolley by using bolts, and a rotary furnace cover is fixed on an embedded steel plate on a ground foundation; an electrode lifting and rotation mixing device is fixed on the rotary furnace cover by using bolts and can be rotated along with the rotary furnace cover; and an induction heating electrode is fixed on the electrode lifting and rotation mixing device and can be rotated along with the rotary furnace cover. The production method comprises the following steps of: directly loading blast furnace hot slag into an electromagnetic induction smelting furnace or transferring the blast furnace hot slag into a hot slag ladle trolley and then loading into the electromagnetic induction smelting furnace; rising the temperature of electromagnetic induction passing through the electromagnetic induction smelting furnace to 1,450-1,550 DEG C; and adding quartz stones into the blast furnace hot slag to temper and stir to output high-quality mineral wool. The production method have the characteristic that the problem of difficult hot blast furnace hot slag temperature rising and tempering is solved, and the heat efficiency of the smelt furnace and the flexibility of short process production are improved; the consumption is reduced by more than 40 percent, and the cost is reduced by 15 percent; and the electromagnetic induction smelting furnace has the characteristics of energy saving, cost reduction, short process, high quality, high efficiency and the like.
Description
Technical field
What the present invention relates to is a kind of in order to meet electromagnetic induction slag smelting furnace and the production method thereof of short flow process slag wool production.Belong to electromagnetic induction slag smelting furnace slag wool production technical field.
Background technology
Steel industry is faced with opportunities and challenges equally as the main force in process of industrialization.The process energy consumption of blast furnace ironmaking accounts for 60% of Iron And Steel Industry total energy consumption, is the energy consumption rich and influential family of Iron And Steel Industry, and its energy-saving and emission-reduction have a high potential.Blast furnace slag is a kind of solid waste that blast furnace ironmaking gives off, and not only consumes a large amount of energy in its treating processes, also discharges a large amount of objectionable impuritiess simultaneously.Therefore, the research of carrying out blast furnace slag recycling aspect is very necessary, a kind of industrial solid wastes of blast furnace slag.The slag of discharging in blast furnace ironmaking process, claims again blast-furnace slag, can be divided into conversion pig slag, foundry iron slag, ferromanganese ore slag etc.Some areas of the states such as China and the Soviet Union are used titanomagnetite ironmaking, discharge vanadium titanium blast furnace slag.According to ore grade difference, 1 ton of iron of every refining is discharged 0.3～1 ton of slag, and ore grade is lower, and bed drain purge is larger.More than 2,000 ten thousand tons of China's annual discharges at present.Slag is thrown meeting land occupation aside, waste resource, contaminate environment.Within 1589, Germany start to utilize blast furnace slag.After mid-term in 20th century, blast furnace slag comprehensive utilization develops rapidly.Many countries such as the current U.S., Britain, Canada, France, the Federal Republic of Germany, Sweden, Belgium have all accomplished deslagging then, are finished then, have all realized resource utilization.Japan's utilization ratio in 1980 is 85%, and Soviet Union's utilization ratio in 1979 is more than 70%, and China's utilization ratio in 1981 is 83%.
Blast furnace slag is the refuse of discharging from blast furnace while smelting the pig iron, in the time that furnace temperature reaches 1400-1600 DEG C, furnace charge melting, the ash content in gangue, coke in ore and solubility promoter and other can not enter impurity in the pig iron and form taking silicate and aluminate as the main slag floating over above molten iron.In blast-furnace slag, main chemical composition is SiO
2, Al
2o
3, CaO, MgO, MnO, FeO, S etc.In addition, some slag also contains micro-TiO
2, V
2o
5, Na
2o, BaO, P
2o
5, Cr
2o
3deng.CaO in blast-furnace slag, SiO
2, Al
2o
3account for the more than 90% of weight.
Slag that slag wool is jetted very thin by pressurized air or high pressure steam stream, can produce mineral wool, and the method for operating mine slag wool has two kinds of blowing process and centrifuging.Raw material flows out after melt in furnace, becomes the method for slag wool to be called blowing process with steam or compressed air spraying.Raw material drops on rotating disk after melt in furnace, and the method for making slag wool with centrifugal force is called centrifuging.Directly winding-up blast furnace slag, though technique is simple, invest less, slag wool difficult quality guarantee.
Summary of the invention
What the present invention proposed is a kind of in order to meet electromagnetic induction slag smelting furnace and the production method thereof of short flow process slag wool production, its object is intended to solve the existing hot blast furnace slag of the prior art modified difficulty that heats up, thereby improve the thermo-efficiency of smelting furnace and the handiness that short flow process is produced, enhance productivity, compared with existing cupola furnace rock wool technique, this method can reduce energy consumption 40%, and product cost can reduce by 15%.
Technical solution of the present invention: in order to meet the electromagnetic induction slag smelting furnace of short flow process slag wool production, it is characterized in that comprising dolly, electromagnetic induction smelting furnace, rotation bell, rise fall of electrodes and revolution whipping appts and Duo Gen induction heating electrode; Wherein electromagnetic induction smelting furnace uses screw to be fixed on dolly, rotation bell is fixed on the pre-embedded steel slab on ground foundation, rise fall of electrodes and revolution whipping appts use screw to be fixed on rotary oven and cover, can rotate with rotation bell, induction heating electrode is fixed on rise fall of electrodes and revolution whipping appts, therefore, rise fall of electrodes and revolution whipping appts rotate with rotation bell jointly with induction heating electrode; When work, the electric motor energising on dolly, slows down by step-down gear, and power is passed to power shaft, and power shaft drives two motion-work wheels to roll in orbit, to meet electromagnetic induction smelting furnace the moving horizontally between each station being fixed thereon; Be fixed on after the reducing motor energising on rotary oven cover base, turn round and support outer ring gear by driving, drive rotation bell, be fixed on rise fall of electrodes and revolution whipping appts and the revolution of induction heating electrode on bell; Be fixed on after the reducing motor energising on rise fall of electrodes and revolution whipping appts, the rotation of driving ball screw, and then by being fixed on the ball screw nut on rise fall of electrodes and revolution whipping appts arm, drive rise fall of electrodes and the lifting of revolution whipping appts arm, finally complete the lifting of induction heating electrode; Be fixed on after the reducing motor energising on rise fall of electrodes and revolution whipping appts arm, turn round and support outer ring gear by driving, drive the retaining plate of fixing induction heating electrode, realize the Stirring action of induction heating electrode, many induction heating electrodes are arranged on rise fall of electrodes and revolution whipping appts; The structure of described rotation bell comprises hoist cylinder, column, revolution support, reducing motor, base, bell and bell arm, and its central post is supported and fixed on base by revolution, and bell is fixed on column by bell arm; Reducing motor is supported with bell and is joined by revolution, the steel cylinder of hoist cylinder is fixed on column, the piston rod of hoist cylinder is fixed with bell arm, and reducing motor is fixed on rotary oven cover base, and revolution is supported outer ring gear and is connected in series with column, hoist cylinder and bell; The piston rod of hoist cylinder and bell arm, bell join; When work, reducing motor is by the rotation of revolution supporting drive bell; Be fixed on after the reducing motor energising on rotary oven cover base, turn round and support outer ring gear drive Rotary cloumn, hoist cylinder and bell realization revolution by driving; The piston rod of hoist cylinder is flexible, drives bell arm and bell to realize lifting; The structure of described rise fall of electrodes and revolution whipping appts comprises ball screw, rise fall of electrodes vertical columns, rise fall of electrodes reducing motor, lifting arm, rotary decelerating motor, electrode revolution support and electrode retaining plate; Wherein many induction heating electrodes are fixed on electrode retaining plate, and electrode retaining plate is fixed on the band gear outer ring of electrode revolution support, and the inner ring that electrode revolution is supported is fixed on bell arm; The screw mandrel two ends of ball screw, by rolling bearing units, are fixed on rise fall of electrodes vertical columns respectively, and the nut of ball screw is fixed on lifting arm; Lifting arm, by eight of front and back roller, is enclosed within on rise fall of electrodes vertical columns, and rise fall of electrodes reducing motor connects ball screw, and ball screw connects lifting arm by nut, and lifting arm, rotary decelerating motor, electrode revolution are supported and electrode retaining plate serial connection; When work, after the energising of rise fall of electrodes reducing motor, by driving the rotation of ball screw screw mandrel, and then by the nut of ball screw, drive lifting arm, rotary decelerating motor, electrode revolution support and electrode retaining plate to do the up-and-down movement along rise fall of electrodes vertical columns.
The method of short flow process operating mine slag wool, comprises following processing step:
1) by blast furnace warm sludge directly or transhipment warm sludge hired car pack electromagnetic induction smelting furnace into, pack energy-saving effect into warm sludge remarkable, warm sludge temperature is spent in 1400 degree-1500, can cool to 1100-1200 degree after packing Melting and adjustment warm sludge smelting furnace into; 2) be warmed up to 1450-1550 degree by the electromagnetic induction of electromagnetic induction smelting furnace; 3) in 80%～90% blast furnace warm sludge, add the quartzite that accounts for blast furnace warm sludge weight 10%～20% and carry out the modified 1450-1550 of being warmed up to degree, the object that adds quartzite is the grade of modified raising slag wool, and blast furnace slag wool is become to the mineral wool that quality is high;
The described modified melted gangue that is warmed up to 1450-1550 degree, to pack hot slag stream into slag constant temperature holding furnace by chute, slag constant temperature holding furnace has the melt cinder stem bar of two controllable flow rates, and the slag that warm sludge stem bar flows out flows to down to be made together cotton equipment and make mineral wool.
Advantage of the present invention: utilize the technique of short flow process slag wool production, compared with cupola furnace rock wool technique, this method can reduce energy consumption 40%, and product cost can reduce by 15%; Owing to can more easily adjusting the chemical composition of blast furnace slag, quality product can reach rock wool level, and is better than the liquid slag wool of whirlwind furnace on thermoelectric plant.The control of hot charging blast furnace slag, interpolation ore and slag part that short flow process is produced is made up of industrial computer, PLC system.Not only intensification of smelting furnace, temperature adjustment, insulation, modified superior performance, and stowage space is large, for good basis has been established in scale production.Hot charging blast furnace slag smelting process is more conducive to adapt to the market requirement of mineral wool and goods great development distant view thereof.Heat up and modified improved the thermo-efficiency of smelting furnace stove and the handiness that short flow process is produced in difficult having solved prior art existing hot blast furnace slag, enhance productivity.Not only intensification of smelting furnace, temperature adjustment, insulation, modified superior performance, and stowage space is large, for good basis has been established in scale production.Hot charging blast furnace slag smelting process is more conducive to adapt to the market requirement of mineral wool and goods great development distant view thereof.
Brief description of the drawings
Accompanying drawing 1 is that the structural representation of electromagnetic induction slag smelting furnace is always schemed.
Accompanying drawing 2 is vehicle structure schematic diagram of electromagnetic induction slag smelting furnace.
Accompanying drawing 3 is electromagnetic induction furnace construction schematic diagram of electromagnetic induction slag smelting furnace.
Accompanying drawing 4 is rotation bell structural representations of electromagnetic induction slag smelting furnace.
Accompanying drawing 5 is rise fall of electrodes and revolution whipping appts structural representations of electromagnetic induction slag smelting furnace.
In figure 1 is dolly, the 2nd, electromagnetic induction smelting furnace, the 3rd, rotation bell, the 4th, rise fall of electrodes and revolution whipping appts, the 5th, many induction heating electrodes, the 6th, wheel, the 7th, little car body, the 8th, speed reduction unit, the 9th, brake, the 10th, electric motor, the 11st, converter nose, the 12nd, oil cylinder verts, the 13rd, ruhmkorff coil, the 14th, furnace shell, the 15th, grate, the 16th, hoist cylinder, the 17th, column, the 18th, revolution is supported, the 19th, reducing motor, the 20th, base, the 21st, bell, the 22nd, bell arm, the 23rd, ball screw, the 24th, rise fall of electrodes vertical columns, the 25th, rise fall of electrodes reducing motor, the 26th, lifting arm, the 27th, rotary decelerating motor, the 28th, electrode revolution is supported, the 29th, electrode retaining plate.
Embodiment
Contrast accompanying drawing 1, electromagnetic induction slag smelting furnace, its structure comprises dolly 1, electromagnetic induction smelting furnace 2, rotation bell 3, rise fall of electrodes and revolution whipping appts 4 and Duo Gen induction heating electrode 5; Wherein electromagnetic induction smelting furnace 2 uses screw to be fixed on dolly 1, on 3 pre-embedded steel slabs that are fixed on ground foundation of rotation bell, rise fall of electrodes and revolution whipping appts 4 use screw to be fixed on rotation bell 3, can be with 3 rotations of rotation bell, induction heating electrode 5 is fixed on rise fall of electrodes and revolution whipping appts 4, therefore, rise fall of electrodes and revolution whipping appts 4 rotate with rotation bell 3 jointly with induction heating electrode 5; When work, the electric motor energising on dolly 1, slows down by step-down gear, and power is passed to power shaft, and power shaft drives two motion-work wheels to roll in orbit, to meet electromagnetic induction smelting furnace 2 the moving horizontally between each station being fixed thereon; Be fixed on after the reducing motor energising of rotating on bell 3 bases, turned round and supported outer ring gear by driving, driving is rotated bell 3, is fixed on the rise fall of electrodes on bell and turns round whipping appts 4 and induction heating electrode 5 turns round; Be fixed on after the reducing motor energising on rise fall of electrodes and revolution whipping appts 4, the rotation of driving ball screw, and then by being fixed on the ball screw nut on rise fall of electrodes and revolution whipping appts 4 arms, drive rise fall of electrodes and the 4 arm liftings of revolution whipping appts, finally complete the lifting of induction heating electrode 5; Be fixed on after the reducing motor energising on rise fall of electrodes and revolution whipping appts 4 arms, turn round and support outer ring gear by driving, drive the retaining plate of fixing induction heating electrode 5, realize the Stirring action of induction heating electrode 5, many induction heating electrodes 5 are arranged on rise fall of electrodes and revolution whipping appts 4.
Contrast accompanying drawing 2, dolly, its structure comprises wheel 6, dolly body 7, speed reduction unit 8, brake 9, electric motor 10; Wherein four wheels 6 are respectively fixed on dolly body 7 by two rolling bearing units, and electric motor 10 is given one group of two motion-work wheel in 6, four wheels 6 of four wheels by speed reduction unit 8 by power transmission, drive dolly body 7 to move on guide rail, 8 braking effects of speed reduction unit; When work, the energising of electric motor on dolly, slows down and the connection of shaft coupling by step-down gear, and power is passed to power shaft, power shaft drives two motion-work wheels to roll in orbit, finally completes and meets electromagnetic induction smelting furnace the moving horizontally between each station being fixed thereon.
Contrast accompanying drawing 3, electromagnetic induction smelting furnace, its structure comprises converter nose 11, the oil cylinder 12 that verts, ruhmkorff coil 13, furnace shell 14 and grate 15; Wherein ruhmkorff coil 13 is fixed on furnace shell 14 by nut, 14 of furnace shells fix on grate 15 by hinges fixing, vert one end of oil cylinder 12 fixes on grate 15 by hinges fixing, the other end of oil cylinder 12 of verting also fixes on furnace shell 14 by hinges fixing, oil cylinder 12 piston rods that vert connect furnace shell 14, when work, stretching of oil cylinder 12 piston rods that vert, drives verting of furnace shell 14; When adding after furnace charge, ruhmkorff coil 13 water flowing of switching on, start melting, treat that melting finishes, induction heating electrode rises and departs from rotation bell, after the rotation of rotation bell is left, oil cylinder 12 piston rods that vert stretch out, and drive furnace shell 14, centered by grate 15 and furnace shell 14 hinge pin, overturn, the furnace charge that finally makes melting complete, waters out by converter nose 11.
Contrast accompanying drawing 4, rotation bell, its structure comprises hoist cylinder 16, column 17, revolution support 18, reducing motor 19, base 20, bell 21 and bell arm 22, and its central post is supported and fixed on base by revolution, and bell is fixed on column by bell arm; Reducing motor is supported with bell and is joined by revolution, the steel cylinder of hoist cylinder is fixed on column, the piston rod of hoist cylinder is fixed with bell arm, and reducing motor is fixed on rotary oven cover base, and revolution is supported outer ring gear and is connected in series with column, hoist cylinder and bell; The piston rod of hoist cylinder and bell arm, bell join; When work, reducing motor is by the rotation of revolution supporting drive bell; Be fixed on after the reducing motor energising on rotary oven cover base, turn round and support outer ring gear drive Rotary cloumn, hoist cylinder and bell realization revolution by driving; The piston rod of hoist cylinder is flexible, drives bell arm and bell to realize lifting.
Contrast accompanying drawing 5, rise fall of electrodes and revolution whipping appts, its structure comprises ball screw 23, rise fall of electrodes vertical columns 24, rise fall of electrodes reducing motor 25, lifting arm 26, rotary decelerating motor 27, electrode revolution support 28 and electrode retaining plate 29; Wherein many induction heating electrodes are fixed on electrode retaining plate 29, and electrode retaining plate 29 is fixed on the band gear outer ring of electrode revolution support 28, and the inner ring of electrode revolution support 28 is fixed on bell arm; The screw mandrel two ends of ball screw 23, by rolling bearing units, are fixed on rise fall of electrodes vertical columns 24 respectively, and the nut of ball screw 23 is fixed on lifting arm 26; Lifting arm 26 is by eight of front and back roller, be enclosed within on rise fall of electrodes vertical columns 24, rise fall of electrodes reducing motor 25 connects ball screw 23, and ball screw 23 connects lifting arm 26 by nut, and lifting arm 26, rotary decelerating motor 27, electrode revolution support 28 and electrode retaining plate 29 are connected in series; When work, after 25 energisings of rise fall of electrodes reducing motor, by driving the rotation of ball screw 23 screw mandrels, and then by the nut of ball screw 23, drive lifting arm 26, rotary decelerating motor 27, electrode revolution support 28 and electrode retaining plate 29 to do along the up-and-down movement of rise fall of electrodes vertical columns 24.
The main raw material of slag wool is blast-furnace slag, accounts for 80%～90%, also has 10%～20% rhombspar, fluorite or other as common brick head, cobble etc., and the fuel of operating mine slag wool is coke.Produce a point batching, fusing winding-up, 3 operations of packaging.Slag wool can be used as lagging material, sound absorbent material and fire-retardant material etc., has warming plate, insulation quilt, heat-preservation cylinder, insulation belt, acoustic panel, narrow felt rug, sound-absorbing band, refractory slab and heat resistance fiber etc. by the finished product of its processing.Slag wool is widely used in the departments such as metallurgy, machinery, building, chemical industry and traffic.
The method of short flow process slag wool production, its technique comprises:
1) by blast furnace warm sludge directly or transhipment warm sludge hired car pack electromagnetic induction smelting furnace into, pack energy-saving effect into warm sludge remarkable, warm sludge temperature is spent in 1400 degree-1500, can cool to 1100-1200 degree after packing Melting and adjustment warm sludge smelting furnace into; 2) be warmed up to 1450-1550 degree by the electromagnetic induction of Melting and adjustment warm sludge smelting furnace; 3) in 80%～90% blast furnace warm sludge, add the quartzite that accounts for blast furnace warm sludge weight 10%～20% and carry out the modified 1450-1550 of being warmed up to degree, the object that adds quartzite is the grade of modified raising slag wool, and blast furnace slag wool is become to the mineral wool that quality is high;
The described modified melted gangue that is warmed up to 1450-1550 degree, to pack hot slag stream into slag constant temperature holding furnace by chute, slag constant temperature holding furnace has the melt cinder stem bar of two controllable flow rates, and the slag that warm sludge stem bar flows out flows to down to be made together cotton equipment and make mineral wool.
Operating process: beginning → dolly 1 is with electromagnetic induction smelting furnace 2, move to station before blast furnace → add warm sludge → dolly 1 with electromagnetic induction smelting furnace 2, after moving back to melting station → dolly 1 and putting in place, rotation bell 3 rotates to fire door top, and decline cover → rise fall of electrodes and revolution whipping appts 4 dynamics answer heating electrode 5 to decline, insert in melt cinder → prepare melting → serve variable-frequency power sources, slag starts to heat in modified → fusion process, rise fall of electrodes and revolution whipping appts 4 drive heating electrode 5 to turn round, carrying out technique stirring → melting finishes, rise fall of electrodes and revolution whipping appts 4 dynamics answer heating electrode 5 to rise, from melt cinder, extracting → rotate bell 3 rises and rotates, being turned back to cast dodges position → electromagnetic induction smelting furnace 2 and verts, melted slag stream is passed through to chute, flow into slag constant temperature smelting furnace, for subordinate's operation prepare → so, electromagnetic induction slag smelting furnace completes a do action.
Large capacity warm sludge smelting furnace (15t-25t warm sludge); The blast furnace slag of cooling is warmed up to the temperature of processing requirement and can more easily adjusts the chemical composition of slag; By heating up, modified good warm sludge dress people constant temperature smelting furnace flows for subordinate's operation provides the slag of steady temperature, flow-controllable; Long lifetime furnace lining; The anti-oxidation heating element of ultra high power.Graphite Electrodes diameter 200mm-1000mm(comprise common power, superpower anti-oxidation, etc. Graphite Electrodes and graphite induction heating product, Graphite Electrodes is made up of 3-12 root.Variable-frequency power sources, 1000-20000kW.With car, intensification smelting furnace is transported to blast furnace by stove, blast furnace warm sludge is directly filled to people's smelting furnace, then intensification smelting furnace is returned to mineral wool and prepare workshop.Smelting furnace adopts variable-frequency power sources, the high-temperature fusion slag that can utilize hot metal rod in smelting furnace, plumbago crucible, graphite hollow, real core graphite rod etc. to produce.Blast furnace warm sludge is accounted for to 80%～90%, also have 10%～20% rhombspar, fluorite or other are as ore charges such as common brick head, cobbles, heat to 1550 degree, adjust slag composition warm sludge is done to intensification modifier treatment, flow afterwards by the poor person who lives in exile's slag constant temperature smelting furnace of stream, and for subordinate's operation provides the slag of steady temperature, flow-controllable.
Claims (2)
1. in order to meet the electromagnetic induction slag smelting furnace of short flow process slag wool production, it is characterized in that comprising dolly, electromagnetic induction smelting furnace, rotation bell, rise fall of electrodes and revolution whipping appts and Duo Gen induction heating electrode; Wherein electromagnetic induction smelting furnace uses screw to be fixed on dolly, rotation bell is fixed on the pre-embedded steel slab on ground foundation, rise fall of electrodes and revolution whipping appts use screw to be fixed on rotary oven and cover, can rotate with rotation bell, induction heating electrode is fixed on rise fall of electrodes and revolution whipping appts, therefore, rise fall of electrodes and revolution whipping appts rotate with rotation bell jointly with induction heating electrode; When work, the electric motor energising on dolly, slows down by step-down gear, and power is passed to power shaft, and power shaft drives two motion-work wheels to roll in orbit, to meet electromagnetic induction smelting furnace the moving horizontally between each station being fixed thereon; Be fixed on after the reducing motor energising on rotary oven cover base, turn round and support outer ring gear by driving, drive rotation bell, be fixed on rise fall of electrodes and revolution whipping appts and the revolution of induction heating electrode on bell; Be fixed on after the reducing motor energising on rise fall of electrodes and revolution whipping appts, the rotation of driving ball screw, and then by being fixed on the ball screw nut on rise fall of electrodes and revolution whipping appts arm, drive rise fall of electrodes and the lifting of revolution whipping appts arm, finally complete the lifting of induction heating electrode; Be fixed on after the reducing motor energising on rise fall of electrodes and revolution whipping appts arm, turn round and support outer ring gear by driving, drive the retaining plate of fixing induction heating electrode, realize the Stirring action of induction heating electrode, many induction heating electrodes are arranged on rise fall of electrodes and revolution whipping appts; The structure of described rotation bell comprises hoist cylinder, column, revolution support, reducing motor, base, bell and bell arm, and its central post is supported and fixed on base by revolution, and bell is fixed on column by bell arm; Reducing motor is supported with bell and is joined by revolution, the steel cylinder of hoist cylinder is fixed on column, the piston rod of hoist cylinder is fixed with bell arm, and reducing motor is fixed on rotary oven cover base, and revolution is supported outer ring gear and is connected in series with column, hoist cylinder and bell; The piston rod of hoist cylinder and bell arm, bell join; When work, reducing motor is by the rotation of revolution supporting drive bell; Be fixed on after the reducing motor energising on rotary oven cover base, turn round and support outer ring gear drive Rotary cloumn, hoist cylinder and bell realization revolution by driving; The piston rod of hoist cylinder is flexible, drives bell arm and bell to realize lifting; The structure of described rise fall of electrodes and revolution whipping appts comprises ball screw, rise fall of electrodes vertical columns, rise fall of electrodes reducing motor, lifting arm, rotary decelerating motor, electrode revolution support and electrode retaining plate; Wherein many induction heating electrodes are fixed on electrode retaining plate, and electrode retaining plate is fixed on the band gear outer ring of electrode revolution support, and the inner ring that electrode revolution is supported is fixed on bell arm; The screw mandrel two ends of ball screw, by rolling bearing units, are fixed on rise fall of electrodes vertical columns respectively, and the nut of ball screw is fixed on lifting arm; Lifting arm, by eight of front and back roller, is enclosed within on rise fall of electrodes vertical columns, and rise fall of electrodes reducing motor connects ball screw, and ball screw connects lifting arm by nut, and lifting arm, rotary decelerating motor, electrode revolution are supported and electrode retaining plate serial connection; When work, after the energising of rise fall of electrodes reducing motor, by driving the rotation of ball screw screw mandrel, and then by the nut of ball screw, drive lifting arm, rotary decelerating motor, electrode revolution support and electrode retaining plate to do the up-and-down movement along rise fall of electrodes vertical columns.
2. as right to use requires the method for carrying out slag wool production in order to meet the electromagnetic induction slag smelting furnace of short flow process slag wool production as described in 1, it is characterized in that the method comprises following processing step:
1) directly pack blast furnace warm sludge into electromagnetic induction smelting furnace, warm sludge temperature is spent in 1400 degree-1500, can cool to 1100-1200 degree after packing electromagnetic induction smelting furnace into; 2) be warmed up to 1450-1550 degree by the electromagnetic induction of electromagnetic induction smelting furnace; 3) in 80%～90% blast furnace warm sludge, add the quartzite that accounts for blast furnace warm sludge weight 10%～20% and carry out the modified 1450-1550 of being warmed up to degree, the object that adds quartzite is the grade of modified raising slag wool, and blast furnace slag wool is become to the mineral wool that quality is high; The described modified melted gangue that is warmed up to 1450-1550 degree, to pack hot slag stream into slag constant temperature holding furnace by chute, slag constant temperature holding furnace has the melt cinder stem bar of two controllable flow rates, and the slag that melt cinder stem bar flows out flows to down to be made together cotton equipment and make mineral wool.
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| CN103398586B (en) * | 2013-07-26 | 2014-10-22 | 朱兴发 | Underflow-type anti-vortex central stopper and nozzle lifting mechanism of electromagnetic induction slag smelter |
| CN108218238A (en) * | 2017-12-11 | 2018-06-29 | 鞍钢股份有限公司 | Rock wool taking metallurgical waste and blast furnace slag as raw materials and production method thereof |
| CN108129031A (en) * | 2017-12-11 | 2018-06-08 | 鞍钢股份有限公司 | Slag wool produced by utilizing metallurgical waste and blast furnace slag and production method thereof |
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