CN102829644A - Electrode lifting and rotary stirring device in electromagnetic-induction mineral slag smelting furnace - Google Patents

Electrode lifting and rotary stirring device in electromagnetic-induction mineral slag smelting furnace Download PDF

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CN102829644A
CN102829644A CN2012103178844A CN201210317884A CN102829644A CN 102829644 A CN102829644 A CN 102829644A CN 2012103178844 A CN2012103178844 A CN 2012103178844A CN 201210317884 A CN201210317884 A CN 201210317884A CN 102829644 A CN102829644 A CN 102829644A
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electrode
electrodes
fixed
ball screw
rise fall
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CN102829644B (en
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朱兴发
朱卫星
黄森根
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Abstract

The invention relates to an electrode lifting and rotary stirring device in electromagnetic-induction mineral slag smelting furnace. A plurality of induction heating electrodes are fixed on an electrode fixing plate; the electrode fixing plate is fixed on the outer circle of an electrode rotary support, wherein the outer circle of the electrode rotary support is provided with a gear; the inner circle of the electrode rotary support is fixed on the arm of the cover of the furnace; two ends of a ball screw are respectively fixed on an electrode lifting and fixing column through bearings with bases; the but of the ball screw is fixed on the arm of the cover of the furnace; and a lifting arm is sleeved on the electrode lifting and fixing column through eight front and rear rolling wheels. The electrode lifting and rotary stirring device is simple in structure and reasonable in design, ensures that the electromagnetic-induction mineral slag smelting furnace can be used for the shortened process of producing mineral wool and effectively solves the problems in the prior art that the hot blast furnace slag is difficult to increase temperature and temper so that the thermal efficiency and the short-process production flexibility of the smelting furnace are improved, the production efficiency is improved, the energy consumption is reduced by 40% and the product cost is lowered by 15%.

Description

Rise fall of electrodes in the electromagnetic induction slag smelting furnace and revolution agitating device
Technical field
What the present invention relates to is a kind of in order to rise fall of electrodes in the electromagnetic induction slag smelting furnace that satisfies short flow process production mineral wool and revolution agitating device.Belong to electromagnetic induction slag smelting furnace and produce the mineral wool technical field.
Background technology
Steel industry is faced with opportunities and challenges equally as the main force in the process of industrialization.The process energy consumption of blast furnace ironmaking accounts for 60% of steel and iron industry total energy consumption, is the energy consumption rich and influential family of steel and iron 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 processing procedure, also discharges a large amount of harmful substances 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 the blast furnace ironmaking process is claimed blast-furnace cinder again, can be divided into conversion pig slag, foundry iron slag, ferromanganese ore slag etc.States such as the China and the Soviet Union use titanomagnetite ironmaking in some areas, discharge the vanadium titanium blast furnace slag.Different according to the grade of ore, 1 ton of iron of every refining is discharged 0.3～1 ton of slag, and the grade of ore is low more, and bed drain purge is big more.More than 2,000 ten thousand tons of the annual at present dischargings of China.Slag is thrown the meeting land occupation aside, waste resource, contaminated environment.Germany promptly began to utilize blast furnace slag in 1589.After mid-term in 20th century, the blast furnace slag comprehensive utilization develops rapidly.Many countries such as the U.S., Britain, Canada, France, the Federal Republic of Germany, Sweden, Belgium have all accomplished deslagging then at present, use up then, have all realized resource.Japan's utilization rate in 1980 is 85%, and Soviet Union's utilization rate in 1979 is more than 70%, and China's utilization rate in 1981 is 83%.
Blast furnace slag is the refuse of from blast furnace, discharging when smelting the pig iron; When furnace temperature reaches 1400-1600 ℃; The impurity formation that furnace charge fusion, the gangue in the ore, the ash content in the coke and cosolvent and other can not get in the pig iron serves as the main slag above the molten iron that floats over silicate and aluminate.Main chemical composition is SiO in the blast-furnace cinder 2, Al 2O 3, CaO, MgO, MnO, FeO, S etc.In addition, some slag also contains the TiO of trace 2, V 2O 5, Na 2O, BaO, P 2O 5, Cr 2O 3Deng.CaO in blast-furnace cinder, SiO 2, Al 2O 3Account for more than 90% of weight.
Mineral wool can be produced mineral wool with the very thin slag stream of compressed air or high steam winding-up, and the method for operating mine slag wool has two kinds of blowing process and centrifugal process.Raw material flows out behind melt in furnace, promptly becomes the method for mineral wool to be called blowing process with steam or compressed air spraying.Raw material is dropping on behind the melt in furnace on the rotating disk, and the method for processing mineral wool with centrifugal force is called centrifugal process.Directly the winding-up blast furnace cinder, though technology is simple, invest less, the slag wool difficult quality guarantee.
Summary of the invention
What the present invention proposed is a kind of in order to rise fall of electrodes in the electromagnetic induction slag smelting furnace that satisfies short flow process production mineral wool and revolution agitating device; Its purpose is intended to make electromagnetic induction slag smelting furnace to be used for short flow process production mineral wool technology; Can effectively solve the hot blast furnace slag of the existing in prior technology modified difficulty that heats up, thereby the flexibility that the thermal efficiency that improves smelting furnace and short flow process are produced is enhanced productivity; Reduce energy consumption 40%, product cost can reduce by 15%.
Technical solution of the present invention: it is characterized in that comprising ball screw, rise fall of electrodes vertical columns, rise fall of electrodes reducing motor, lifting arm, rotary decelerating motor, electrode revolution support and electrode fixed head; Wherein many eddy-current heating electrodes are fixed on the electrode fixed head, and the electrode fixed head is fixed on the band gear outer ring of electrode revolution support, and the inner ring that the electrode revolution is supported is fixed on the bell arm; The screw mandrel two ends of ball screw through rolling bearing units, are fixed on the rise fall of electrodes vertical columns respectively, and the nut of ball screw is fixed on the lifting arm; Lifting arm is enclosed within on the rise fall of electrodes vertical columns through eight rollers in front and back, and the rise fall of electrodes reducing motor connects ball screw, and ball screw connects lifting arm through nut, and lifting arm, rotary decelerating motor, electrode revolution are supported and electrode fixed head serial connection; During work; After the energising of rise fall of electrodes reducing motor; Through driving the rotation of ball screw screw mandrel, and then the nut through ball screw, drive lifting arm, rotary decelerating motor, the electrode revolution is supported and the electrode fixed head is done the elevating movement along the rise fall of electrodes vertical columns.
Advantage of the present invention: rise fall of electrodes and revolution agitating device have simple in structure, reasonable in design: make electromagnetic induction slag smelting furnace be used for short flow process and produce mineral wool technology; Can effectively solve the hot blast furnace slag of the existing in prior technology modified difficulty that heats up; Thereby improve the thermal efficiency of smelting furnace and the flexibility of short flow process production; Enhance productivity, reduce energy consumption 40%, product cost can reduce by 15%.
Description of drawings
Accompanying drawing 1 is that the structural representation of electromagnetic induction slag smelting furnace is always schemed.
Accompanying drawing 2 is vehicle structure sketch mapes of electromagnetic induction slag smelting furnace.
Accompanying drawing 3 is electromagnetic induction furnace construction sketch mapes 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 agitating device structural representations of electromagnetic induction slag smelting furnace.
Among the figure 1 is dolly; The 2nd, the electromagnetic induction smelting furnace; The 3rd, the rotation bell; The 4th, rise fall of electrodes and revolution agitating device; The 5th, many eddy-current heating electrodes; The 6th, wheel; The 7th, little car body; The 8th, decelerator; The 9th, brake; The 10th, motor; The 11st, converter nose; The 12nd, oil cylinder verts; The 13rd, induction 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, the bell arm; The 23rd, ball screw; The 24th, the rise fall of electrodes vertical columns; The 25th, the rise fall of electrodes reducing motor; The 26th, lifting arm; The 27th, the rotary decelerating motor; The 28th, the electrode revolution is supported; The 29th, the electrode fixed head.
The specific embodiment
Contrast accompanying drawing 5, rise fall of electrodes and revolution agitating device, 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 fixed head 29; Wherein many eddy-current heating electrodes are fixed on the electrode fixed head 29, and electrode fixed head 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 the bell arm; The screw mandrel two ends of ball screw 23 through rolling bearing units, are fixed on the rise fall of electrodes vertical columns 24 respectively, and the nut of ball screw 23 is fixed on the lifting arm 26; Lifting arm 26 is through eight rollers in front and back; Be enclosed within on the 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 through nut, lifting arm 26, rotary decelerating motor 27, electrode revolution support 28 and electrode fixed head 29 serial connections; During work; After 25 energisings of rise fall of electrodes reducing motor; Through driving the rotation of ball screw 23 screw mandrels, and then the nut through ball screw 23, drive lifting arm 26, rotary decelerating motor 27, electrode revolution and support 28 and the elevating movement done along rise fall of electrodes vertical columns 24 of electrode fixed head 29.
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 agitating device 4 and Duo Gen eddy-current heating electrode 5; Wherein electromagnetic induction smelting furnace 2 uses screw to be fixed on the dolly 1; On 3 pre-embedded steel slabs that are fixed on the ground foundation of rotation bell; Rise fall of electrodes and revolution agitating device 4 use screw to be fixed on the rotation bell 3, can be with 3 rotation of rotation bell, and eddy-current heating electrode 5 is fixed on rise fall of electrodes and the revolution agitating device 4; Therefore, rise fall of electrodes and revolution agitating device 4 rotate with rotation bell 3 with eddy-current heating electrode 5 jointly; During work, the motor energising on the dolly 1 is slowed down through reductor, and power is passed to line shaft, and line shaft drives two driving wheels and rolls in orbit, to satisfy electromagnetic induction smelting furnace 2 the moving horizontally between each station of fixing on it; After being fixed on the reducing motor energising on rotation bell 3 bases, support the outer ring gear, driven in rotation bell 3, be fixed on rise fall of electrodes and revolution agitating device 4 and 5 revolutions of eddy-current heating electrode on the bell through driving rotational; After being fixed on the reducing motor energising on rise fall of electrodes and the revolution agitating device 4; The rotation of driving ball screw; And then through being fixed on the ball screw nut on rise fall of electrodes and revolution agitating device 4 arms; Drive rise fall of electrodes and the up-down of revolution agitating device 4 arms, finally accomplish the up-down of eddy-current heating electrode 5; After being fixed on the reducing motor energising on rise fall of electrodes and revolution agitating device 4 arms; Support the outer ring gear through driving rotational; The fixed head of drive fixing eddy-current heating electrode 5; Realize the rotation stirring action of eddy-current heating electrode 5, many eddy-current heating electrodes 5 are installed on rise fall of electrodes and the revolution agitating device 4.
Contrast accompanying drawing 2, dolly, its structure comprises wheel 6, dolly body 7, decelerator 8, brake 9, motor 10; Wherein four wheels 6 respectively are fixed on the dolly body 7 through two rolling bearing units, and motor 10 is transferred to one group of two driving wheel in 6, four wheels 6 of four wheels through decelerator 8 with power, drive dolly body 7 and on guide rail, move 8 braking actions of decelerator; During work; Motor energising on the dolly through being connected of reductor deceleration and shaft coupling, is passed to line shaft with power; Line shaft drives two driving wheels and rolls in orbit, and final the completion satisfied electromagnetic induction smelting furnace the moving horizontally between each station of fixing on it.
Contrast accompanying drawing 3, the electromagnetic induction smelting furnace, its structure comprises converter nose 11, the oil cylinder 12 that verts, induction coil 13, furnace shell 14 and grate 15; Wherein induction coil 13 is fixed on the furnace shell 14 through nut; 14 of furnace shells fix on the grate 15 through hinges fixing, and an end of the oil cylinder 12 that verts fixes on the grate 15 through hinges fixing, and the other end of the oil cylinder 12 that verts also fixes on the furnace shell 14 through hinges fixing; Oil cylinder 12 piston rods that vert connect furnace shell 14; During work, stretching of oil cylinder 12 piston rods that vert drives verting of furnace shell 14; After adding furnace charge, induction coil 13 energising water flowings, beginning melting; Treat that melting finishes, the eddy-current heating electrode rises and breaks away from the rotation bell, after the rotation of rotation bell is left; Oil cylinder 12 piston rods that vert stretch out, and drive furnace shell 14, are the center upset with grate 15 and furnace shell 14 hinge pin; The furnace charge that melting is accomplished waters out through converter nose 11.
Contrast accompanying drawing 4; The 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 17 supports 18 through revolution and is fixed on the base 20, and bell 21 is fixed on the column 17 through bell arm 22; Reducing motor 19 joins with bell 21 through revolution support 18, and during work, reducing motor 19 supports 21 rotations of 18 drive bells through revolution; The steel cylinder of hoist cylinder 16 is fixed on the column 17, and the piston rod of hoist cylinder 16 is then fixing with bell arm 22; During work, be fixed on the reducing motor energising on rotation bell 3 bases after, support 18 outer ring gear drive Rotary cloumns 17, hoist cylinder 16 and bell 21 through driving rotational and realize revolution; The piston rod of hoist cylinder 16 is flexible, drives bell arm 22 and realizes with bell 21.
The primary raw material of mineral wool is a blast-furnace cinder, accounts for 80%～90%, also has 10%～20% dolomite, fluorite or other like common brick head, cobble etc., and the fuel of operating mine slag wool is coke.Produce and divide batching, fusing winding-up, 3 operations of packing.Mineral wool can be used as insulation material, sound-absorbing material and fire proofing material etc., and the finished product of being processed by its has warming plate, insulation quilt, heat-preservation cylinder, insulation belt, abatvoix, narrow felt rug, sound-absorbing band, refractory slab and heat resistance fiber etc.Mineral wool is widely used in departments such as metallurgy, machinery, building, chemical industry and traffic.
Short flow process is produced the method for mineral wool, and its technology comprises:
1) with the blast furnace warm sludge directly or the transhipment warm sludge hired car electromagnetic induction smelting furnace of packing into, remarkable with the warm sludge energy-saving effect of packing into, the warm sludge temperature can cool to the 1100-1200 degree at 1400 degree-1500 degree behind the modified warm sludge smelting furnace of the fusion of packing into; 2) electromagnetic induction through the modified warm sludge smelting furnace of fusion is warmed up to the 1450-1550 degree; 3) in 80%～90% blast furnace warm sludge, add the quartz that accounts for blast furnace warm sludge weight 10%～20% and carry out the modified 1450-1550 of being warmed up to degree, the purpose that adds quartz is the grade of modified raising slag wool, and the blast furnace slag wool is become the high mineral wool of quality;
The described modified melted gangue that is warmed up to the 1450-1550 degree; Be hot slag to be flowed the slag constant temperature holding furnace of packing into through chute; Slag constant temperature holding furnace has the melt cinder stem bar of two controllable flow amounts, and the slag that the warm sludge stem bar flows out flows into down to be made cotton equipment together and process mineral wool.
Operating process: beginning → dolly 1 is being with electromagnetic induction smelting furnace 2, moves to station before the blast furnace → adding warm sludge → dolly 1 and is being with electromagnetic induction smelting furnace 2, moves back to after melting station → dolly 1 puts in place; Rotation bell 3 rotates to fire door top, and descend cover → rise fall of electrodes and revolution agitating device 4 drive eddy-current heating electrodes 5 and descend, and inserts in the melt cinder → prepare melting → serve variable-frequency power sources; Slag begins to heat in modified → fusion process; Rise fall of electrodes and revolution agitating device 4 drive heating electrode 5 revolutions, carry out technology stirring → melting and finish, and rise fall of electrodes and revolution agitating device 4 drive eddy-current heating electrode 5 and rise; From melt cinder, extracting → rotate bell 3 rises and rotation; Be turned back to cast and dodge position → electromagnetic induction smelting furnace 2 and vert, melted slag stream through chute, is flowed into slag constant temperature smelting furnace; For the preparation of subordinate's operation → so, electromagnetic induction slag smelting furnace is accomplished a do action.
Big capacity warm sludge smelting furnace (15t-25t warm sludge); The blast furnace slag of cooling is warmed up to the temperature of technological requirement and can adjusts the chemical composition of slag more conveniently; The modified good warm sludge dress people constant temperature smelting furnace that heats up is provided the slag stream of steady temperature, flow-controllable for subordinate's operation; The long-life furnace lining; The anti-oxidation heater of ultra high power.Graphite electrode diameter 200mm-1000mm (comprise common power, high power anti-oxidation, etc. graphite electrode and graphite induction heating product, graphite electrode is made up of the 3-12 root.Variable-frequency power sources, 1000-20000kW.With car the intensification smelting furnace is transported to blast furnace by stove, the blast furnace warm sludge is directly adorned people's smelting furnace, again the intensification smelting furnace is returned mineral wool and prepare the workshop.Smelting furnace adopts variable-frequency power sources, the high-temperature fusion slag that the high-temperature metal rod in the smelting furnace capable of using, graphite crucible, graphite hollow, real core graphite rod etc. produce.The blast furnace warm sludge is accounted for 80%～90%; Also have 10%～20% dolomite, fluorite or other are like ore charges such as common brick head, cobbles; Heat to 1550 degree; The adjustment slag composition is done the intensification modifier treatment with warm sludge, and the back is pickled with grains or in wine through stream and flows into slag constant temperature smelting furnace, and for subordinate's operation the slag stream of steady temperature, flow-controllable is provided.

Claims (1)

1. lack flow process and produce rise fall of electrodes and revolution agitating device in the mineral wool electromagnetic induction slag smelting furnace, it is characterized in that comprising ball screw, rise fall of electrodes vertical columns, rise fall of electrodes reducing motor, lifting arm, rotary decelerating motor, electrode revolution support and electrode fixed head; Wherein many eddy-current heating electrodes are fixed on the electrode fixed head, and the electrode fixed head is fixed on the band gear outer ring of electrode revolution support, and the inner ring that the electrode revolution is supported is fixed on the bell arm; The screw mandrel two ends of ball screw through rolling bearing units, are fixed on the rise fall of electrodes vertical columns respectively, and the nut of ball screw is fixed on the lifting arm; Lifting arm is enclosed within on the rise fall of electrodes vertical columns through eight rollers in front and back, and the rise fall of electrodes reducing motor connects ball screw, and ball screw connects lifting arm through nut, and lifting arm, rotary decelerating motor, electrode revolution are supported and electrode fixed head serial connection; During work; After the energising of rise fall of electrodes reducing motor; Through driving the rotation of ball screw screw mandrel, and then the nut through ball screw, drive lifting arm, rotary decelerating motor, the electrode revolution is supported and the electrode fixed head is done the elevating movement along the rise fall of electrodes vertical columns.
CN201210317884.4A 2012-08-31 2012-08-31 Electrode lifting and rotary stirring device in electromagnetic-induction mineral slag smelting furnace Active CN102829644B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108061466A (en) * 2017-12-12 2018-05-22 山东鲁阳节能材料股份有限公司 A kind of resistance furnace electrode regulator

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JPH08152124A (en) * 1994-11-28 1996-06-11 Ishikawajima Harima Heavy Ind Co Ltd Decomposition method of molten salt in incinerated ash melting furnace
CN1202272C (en) * 2003-03-11 2005-05-18 朱兴发 Apparatus for producing low-carbon ferromanganese iron using manganese-rich slay
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CN100428093C (en) * 2006-06-15 2008-10-22 成都高威节能科技有限公司 Method for aotomatic controlling rise fall of electrodes in mine hot stove
CN101769679A (en) * 2008-12-30 2010-07-07 中国恩菲工程技术有限公司 Electric furnace
CN201690640U (en) * 2010-03-31 2010-12-29 冮俊峰 Servo type electric furnace electrode lifting adjuster
CN202770246U (en) * 2012-08-31 2013-03-06 朱兴发 Electric pole fluctuation and rotation stirring device of electro-magnetic sensing slag smelter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08152124A (en) * 1994-11-28 1996-06-11 Ishikawajima Harima Heavy Ind Co Ltd Decomposition method of molten salt in incinerated ash melting furnace
CN1202272C (en) * 2003-03-11 2005-05-18 朱兴发 Apparatus for producing low-carbon ferromanganese iron using manganese-rich slay
CN100428093C (en) * 2006-06-15 2008-10-22 成都高威节能科技有限公司 Method for aotomatic controlling rise fall of electrodes in mine hot stove
CN200996795Y (en) * 2006-12-11 2007-12-26 马鞍山钢铁股份有限公司 Electrode positioner of refining furnace
CN101769679A (en) * 2008-12-30 2010-07-07 中国恩菲工程技术有限公司 Electric furnace
CN201690640U (en) * 2010-03-31 2010-12-29 冮俊峰 Servo type electric furnace electrode lifting adjuster
CN202770246U (en) * 2012-08-31 2013-03-06 朱兴发 Electric pole fluctuation and rotation stirring device of electro-magnetic sensing slag smelter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108061466A (en) * 2017-12-12 2018-05-22 山东鲁阳节能材料股份有限公司 A kind of resistance furnace electrode regulator

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