CN108302941B - A kind of full-automatic continuous feed is slagged tap and topples over metal recovery electricity melting plant - Google Patents
A kind of full-automatic continuous feed is slagged tap and topples over metal recovery electricity melting plant Download PDFInfo
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- CN108302941B CN108302941B CN201810065886.6A CN201810065886A CN108302941B CN 108302941 B CN108302941 B CN 108302941B CN 201810065886 A CN201810065886 A CN 201810065886A CN 108302941 B CN108302941 B CN 108302941B
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- crucible
- furnace body
- electric smelting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1545—Equipment for removing or retaining slag
- F27D3/159—Equipment for removing or retaining slag for retaining slag during the pouring of the metal or retaining metal during the pouring of the slag
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
- C22B7/003—Dry processes only remelting, e.g. of chips, borings, turnings; apparatus used therefor
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
A kind of full-automatic continuous feed disclosed by the invention is slagged tap and topples over metal recovery electricity melting plant, comprising: the bell bracket on the base surface of the guide rail and basis that are laid on the base surface and mechanical elevating platform on basis；Electric smelting is installed in guide rail and melts furnace body walking dolly, water-cooled mucking machine walking dolly and ladle walking dolly；It is placed with water-cooled mucking machine and ladle respectively on water-cooled mucking machine walking dolly and ladle walking dolly；Melt in electric smelting and electric smelting is installed on furnace body walking dolly melts furnace body hydraulic dumping mechanism, electric smelting melts furnace body in molten steel out, by electric melting plant hydraulic dumping mechanism carries out that molten steel is poured out；Bell and oscillating feeder are installed on bell bracket, feed inlet and smoke outlet are provided on bell, the discharge port on oscillating feeder is docked with the feed inlet on bell, in the molten state, electric smelting is melted furnace body and is located at below bell, and bell covers on the fire door that furnace body is melted in electric smelting.
Description
Technical field
The present invention relates to high-temperature fusion processing is carried out through drying, broken, waste containing heavy metal classes after molding, reach
Harmless, volume reduction and recycling, energy-efficient electric heating melting plant technical field, in particular to a kind of full-automatic continuous feed are slagged tap
And topple over metal recovery electricity melting plant.
Background technique
There are mainly two types of for the representational melting type of furnace currently on the market: the first is fuel combustion melting furnace, the
Two kinds are electric melting furnaces.The first fuel combustion melting furnace is divided into surface burning melting furnace, cyclone type melting furnace etc., disadvantage again
It is that generation exhaust gas volumn is big, vent gas treatment is complicated.Second of electric melting furnace is divided into resistance furnace, electric arc furnaces, plasma heating furnace etc., disadvantage again
It is that power consumption is big, maintenance cost is high.
Summary of the invention
Technical problem to be solved by the present invention lies in for present in existing fuel combustion melting furnace and electric melting furnace
It is above-mentioned insufficient and a kind of full-automatic continuous feed is provided and is slagged tap and topple over metal recovery electricity melting plant.
The technical problems to be solved by the invention can be achieved through the following technical solutions:
A kind of full-automatic continuous feed is slagged tap and topples over metal recovery electricity melting plant, comprising:
One basis and the mechanical elevating platform on the basis of being mounted on are put down in the base surface on the basis and the mechanical elevating
A pair of parallel guide rail is equipped in the flat surface of platform, the guide rail in the flat surface of the mechanical elevating platform is in the machinery
It is linked up when hoistable platform is preferably minimized position with the guide rail on the base surface；
Guide rail on the base surface on the basis and the flat surface of the mechanical elevating platform is set using walking manner
On electric smelting melt furnace body walking dolly, water-cooled mucking machine walking dolly and ladle walking dolly；In the water-cooled mucking machine
It is placed with water-cooled mucking machine on walking dolly, is placed with ladle on the ladle walking dolly；
It is mounted on the electric smelting that the electric smelting is melted on furnace body installation carriage and melts furnace body hydraulic dumping mechanism；
It is mounted on the electric smelting that the electric smelting is melted in furnace body hydraulic dumping mechanism and melts furnace body, the electric smelting melts furnace body in molten steel out
When, melt furnace body hydraulic dumping mechanism by the electric smelting and carries out that molten steel is poured out；
The bell bracket being mounted on the base surface on the basis is equipped with a bell and a vibration on the bell bracket
Dynamic formula batcher is provided with feed inlet and smoke outlet on the bell, the discharge port on the oscillating feeder and the furnace
The feed inlet docking covered, in the molten state, the electric smelting is melted furnace body and is located at below the bell, and the bell is covered described
Electric smelting is melted on the fire door of furnace body.
In a preferred embodiment of the invention, the feed inlet on the bell is arranged in the bell central location,
The smoke outlet is located at the side of the feed inlet；The smoke outlet connects exhaust gas purification system by high-temperature flue；Described
Temperature measurer and measuring cell are provided in high-temperature flue, the measuring cell controls the frequency control air inducing in the exhaust gas purification system
Machine frequency control.
In a preferred embodiment of the invention, the electric smelting melt furnace body walking dolly, water-cooled mucking machine walking it is small
Vehicle and ladle walking dolly are motor-driven carrier.
In a preferred embodiment of the invention, it is provided with an anti-slag bath in the basis, the anti-slag bath is located at
The lower section of furnace body is melted in the electric smelting, and the horizontal projected area of the anti-slag bath is greater than the horizontal plane that furnace body is melted in the electric smelting
Product, the volume of the anti-slag bath are greater than the dischargeable capacity that storage melt in furnace body is melted in the electric smelting.
In a preferred embodiment of the invention, it is provided on the bell bracket parallel with the bell bracket
Four screw rod guide posts, there are four position silks corresponding with four screw rod guide post positions for setting on the mechanical elevating platform
Stem nut, every screw rod guide post are threaded through a corresponding feed screw nut, by screw rod guide post and feed screw nut to the mechanical liter
Platform lifting and guiding role drop.
In a preferred embodiment of the invention, the electric smelting melt furnace body include furnace shell, upper section aluminium oxide special-shaped crucible,
Lower section carborundum graphite crucible, alumina crucible protective case and heating induction coil, are furnished with heat preservation on the inner wall of the furnace shell
Furnace wall, the alumina crucible protection are set in the heat preservation furnace wall, the upper section aluminium oxide special-shaped crucible, lower section carbonization
3 SiC 2/graphite crucible, which is mounted in the alumina crucible protective case, forms a melting crucible, outside aluminium oxide protective case middle and lower part
It is cased with heating induction coil；The lower section carborundum graphite crucible is located in the induction zone of the heating induction coil, interior tool
There is crucible chamber under the cylinder bottom of with, crucible is intracavitary under the cylinder at the band bottom is provided with one and holds one's breath partition, described to close
Gas barrier is extended downwardly along the central axis for being parallel to the cylindrical lower crucible chamber and the chamber with the cylindrical lower crucible chamber
Bottom is spaced a distance；The middle and upper part of the cylindrical lower crucible chamber is divided into first area and the secondth area by the partition of holding one's breath
The bottom of domain, the bottom of the first area and the second area is interconnected, and the radial section product of the first area is big
In the radial section product of the second area, the top of the first area is higher than the top of the second area, and described first
The top in region is opened wide, second area it is top closed；The second area forms a discharging chamber, under the second area
An excessive cinder notch is provided at the top of the sidewall of crucible of section carborundum graphite crucible, the inner end of the excessive cinder notch and the discharging chamber connect
It is logical；The first area radial section of the radial cross-sectional shape of the upper section aluminium oxide special-shaped crucible and the cylindrical lower crucible chamber
Shape is identical, and the top and bottom of the upper section aluminium oxide special-shaped crucible are in open state, the upper section aluminium oxide special-shaped crucible
Bottom be connected with the top of the first area of the cylindrical lower crucible chamber by the way that card slot is closed；The upper section aluminium oxide abnormity
There is the upper crucible chamber of an abnormity, the first area of the bottom of the upper crucible chamber of abnormity and the cylindrical lower crucible chamber in crucible
It is connected to and is from top to bottom divided into gasification zone, insulating layer and molten bath, the liquid level in the molten bath is higher than the bottom of the partition of holding one's breath, makes
The excessive cinder notch is obtained only to be connected to the discharging chamber, molten bath and pass through the melt in the molten bath and the gasification zone and insulating layer
It is completely isolated.
In a preferred embodiment of the invention, it further includes several temperature measurers, each temperature measurer that furnace body is melted in the electric smelting
Temperature measuring head directly contact the outer wall of the upper section aluminium oxide special-shaped crucible and lower section carborundum graphite crucible.
In a preferred embodiment of the invention, it is provided with a diversion trench on the ladle, goes out in the water-cooled
It is provided with a slag guiding trough on slag machine, the entrance of the diversion trench and slag guiding trough switches in the ladle and the water-cooled mucking machine
It is docked afterwards with the excessive cinder notch when any upright often work.
In a preferred embodiment of the invention, a feed bin with weighing, institute are also equipped on the bell bracket
The discharge port for stating the feed bin with weighing is docked with the feed inlet of the oscillating feeder.
In a preferred embodiment of the invention, the charging on the discharge port of the oscillating feeder and the bell
Mouth is concentric and is flexible coupling.
In a preferred embodiment of the invention, transparent blanking observation panel is provided on the oscillating feeder,
The transparent blanking observation panel is located at the surface of the discharge port of the oscillating feeder, and the transparent blanking observation panel is also made
Access hole for the feed inlet dredged on the bell.
In a preferred embodiment of the invention, driving is used as configured with variable-frequency motor in the oscillating feeder
Source.
Due to using technical solution as above, material melts process of the invention is as follows:
Block material passes through the oscillating feeder under the feed bin with weighing by set amount continuously from the feed inlet on bell
It falls into the melting crucible that electric smelting is melted in furnace body.
Material enters after electric smelting is melted in melting crucible in furnace body successively by gasification zone, insulating layer, molten bath, finally bypasses
Holding one's breath in lower section carborundum graphite crucible enters discharging chamber after separating bottom and reaches the cinder notch that overflows, by water-cooled mucking machine
Slag guiding trough falls into water-cooled mucking machine and is continuously discharged.
After material enters in melting crucible, the topmost that gasification zone falls on insulating layer is first passed around, after material meets high temperature, object
Moisture and volatile matter in material enter gasification zone by being discharged with the smoke outlet on the bell of gasification zone connection.Insulating layer has one
Determine thickness, insulation effect played to lower section molten bath inner melt, block material the insulating layer in melting crucible and between molten bath from
The continuous accumulation of heat of the motion path of top to bottm successively passes through softening, deformation, melts, the process of melt flow.The biggish metal of density is to molten
Bottom of pond portion movement stays in molten bath, the weighing mould through a period of time when tenor is higher in molten bath, in the feed bin with weighing
Block automatically controls oscillating feeder and stops charging, all melts to material in furnace, and the cinder notch that overflows no longer overflows after slag, and water-cooled is slagged tap
Machine leaves electric smelting under the drive of water-cooled mucking machine walking dolly and melts furnace body, and ladle is close electric under the drive of ladle walking dolly
Melt furnace body.Ladle walking dolly in place after, start mechanical hoistable platform decline, so that electric smelting is melted furnace body and moved down, with furnace
Lid separation, after mechanical elevating platform falls on bottom completely, furnace body hydraulic dumping mechanism is melted in starting electric smelting, and oil cylinder jacks up electric smelting and melts
Furnace body simultaneously makes it start to topple over, and by controlling the fuel delivery of oil cylinder, realizes that the dump angle and journey time of furnace body are melted in electric smelting, inclines
Chamfer angle maximum is set as 90 °, melts in crucible in molten bath the higher metal of density by overflow cinder notch and diversion trench by whole
After importing ladle, starting electric smelting, which melts furnace body hydraulic dumping mechanism electric smelting is made to melt furnace body, returns to horizontal position, by mechanical elevating platform
It jacks up, be connected closed with bell, ladle automatically switches into water-cooled slag remover, and electric smelting, which melts furnace body and starts recovery continuous feed, slags tap
State.
Compared with prior art, the present invention has a characteristic that
1. oscillating feeder of the invention matches variable-frequency motor, can be by the continuous closed feeding of set value calculation；It is vibrating
The position of its corresponding discharge port is equipped with dismountable transparent blanking observation panel at the top of formula batcher, and it is intracorporal bright to melt furnace according to electric smelting
Degree may determine that level of filler material and melting situation in furnace body, reasonable set batcher vibration velocity, while the transparent falling are melted in electric smelting
Material observation panel can be used as the access hole of dredging melting furnace feed inlet.
2. the discharge port of feed inlet and oscillating feeder on bell of the present invention is concentric, and between to be flexible coupling, guarantee
It feeds smooth and closed.
3. feed inlet of the invention and smoke outlet are arranged on bell, gating location is other close to the position in bell center
Side is equipped with smoke outlet, and smoke outlet sectional area is larger.In addition the present invention is equipped with thermometric in the high-temperature flue of smoke outlet upper vertical
Instrument and measuring cell, measuring cell control air-introduced machine frequency control.
4. furnace body is melted in electric smelting of the invention is mounted on that electric smelting is melted in furnace body hydraulic dumping mechanism, furnace body hydraulic dumping is melted in electric smelting
Mechanism installation electric smelting is melted on furnace body installation carriage, and electric smelting is melted on the guide rail that furnace body installation carriage is placed on mechanical elevating platform,
Mechanical elevating platform has elevating function, and electric smelting can be made to melt furnace body and move up and down and be fixed on designated position, when mechanical elevating is flat
When platform falls on bottommost, it is connected with the guide rail on base surface, furnace body is melted in removable electric smelting, facilitates maintenance maintenance.
5. electric smelting of the invention melts furnace body using middle frequency furnace, it is the environment-friendly type of low-loss and energy-saving that heating efficiency is high, speed is fast
Induction heating equipment.Intermediate frequency high current flow direction is turned to cricoid heating induction coil.Thus it is produced in heating induction coil
The strong flux of raw polarity instantaneous variation, flux will penetrate through the lower section carborundum graphite crucible being placed in induction zone, in lower section
The inside of the carborundum graphite crucible direction opposite with heated current will generate corresponding very big eddy current.Due to lower section
There is resistance in carborundum graphite crucible, so many Joule heats can be generated, make lower section carborundum graphite crucible itself
Temperature rises rapidly.Achieve the purpose that the material heating in lower section carborundum graphite crucible.
6. the present invention directly contacts upper section aluminium oxide special-shaped crucible and lower section carborundum graphite crucible outer wall by temperature measurer,
Thermometric is accurate, and reaction speed is fast, and the power of middle frequency furnace is adjusted according to temperature, more energy efficient, realizes the automatic control of temperature, improves
Heating quality and simplified worker operation.
7. heating induction coil detachable of the invention, replacement is convenient.Ultrafast heating speed greatly reduces electric smelting
Melt the preheating time of furnace body.
8. heating induction coil of the invention is in 100% cyclic duration factor, can continuous 24 hours maximum powers heating shape
It is carried out under state.
It is in graphite crucible 9. lower section carborundum graphite crucible of the invention is located in the induction zone of heating induction coil
The silicon-carbide particle of not equal size is added inside raw material, is compared with common graphite crucible: 1. cracking resistance is good, resistance to molten damage and
Resistance to oxidation, long service life.2. good thermal conduction, thermal conductivity are high, shorten dissolution time, the energy is saved.
10. being from top to bottom divided into gasification zone, insulating layer and molten bath in melting crucible of the invention, in lower section carborundum graphite
Partition of holding one's breath is additionally provided in crucible, the lower end of the partition of holding one's breath extends into below the liquid level in molten bath and the bottom of pond with molten bath
It is spaced a distance；For melt down around cinder notch flowing of overflowing upwards is overturn after partition of holding one's breath, partition of holding one's breath is by excessive cinder notch and protects
Warm layer, gasification zone are completely isolated, and when making slag overflow, unmelted material will not reach excessive cinder notch, and furnace gas is made not leak.
11. melting crucible of the invention is divided into upper section aluminium oxide special-shaped crucible, lower section carborundum graphite crucible, upper section oxidation
It is connected between aluminium special-shaped crucible and lower section carborundum graphite crucible by the way that card slot is closed, the excessive slag on lower section carborundum graphite crucible
Mouth lower edge is lower than the upper edge of lower section carborundum graphite crucible, guarantees that melt liquid level is no more than lower section carborundum graphite crucible always
Upper edge.
12. alumina crucible protection of the invention is set on outside, top cover, the bottom of melting crucible, with selected melting
Aluminium oxide is primary raw material, is processed into advanced ceramics technology, and high-purity, temperature tolerance are strong, resistant to corrosion, intensity are high, anti-thermal shock
Performance height, good heat preservation performance.
13. furnace body hydraulic dumping mechanism is melted in electric smelting of the invention is precisely controlled melting furnace by adjusting oil cylinder fuel delivery
Dump angle and journey time.
14. the underface that furnace body is melted in electric smelting is arranged in anti-slag bath of the invention, and projected area is greater than the water of electric melting furnace
Flat projected area, the volume of anti-slag bath are greater than the dischargeable capacity that storage melt in furnace body is melted in electric smelting, avoid since slag leaks and
Caused by security risk.
16. the present invention uses guide rail, so that furnace body walking dolly, water-cooled mucking machine walking dolly and ladle row are melted in electric smelting
Trolley is walked, mobile more convenient, replacement is easier.Overall process automatically controls, and does not have to personnel on site and operates, produces safer.
Detailed description of the invention
Fig. 1 is that the full-automatic continuous feed of present invention metal recovery electricity melting plant of slagging tap and topple over is slagged tap in continuous feed
When status diagram.
Fig. 2 is that the full-automatic continuous feed of present invention metal recovery electricity melting plant of slagging tap and topple over is in mechanical elevating platform
Drop to the status diagram of bottommost.
Fig. 3 is that the full-automatic continuous feed of present invention metal recovery electricity melting plant of slagging tap and topple over is in and topples over molten metal
Status diagram.
Fig. 4 is the top view of Fig. 2.
Specific embodiment
Referring to Fig. 1 to Fig. 4, full-automatic continuous feed shown in figure is slagged tap and topples over metal recovery electricity melting plant, packet
The mechanical elevating platform 200 for including a basis 100 and being mounted on basis 100, base surface and mechanical elevating platform on basis 100
A pair of parallel guide rail 110,210, the guide rail 210 in the flat surface of mechanical elevating platform 200 are equipped in 200 flat surface
It is linked up when mechanical elevating platform 200 is preferably minimized position with the guide rail 110 on base surface, electric melting furnace removable in this way
Body 500, facilitates maintenance maintenance.
Electric smelting is provided with using walking manner on a pair of parallel guide rail 110,210 and melts furnace body walking dolly 220, water cooling
Formula mucking machine walking dolly 300 and ladle walking dolly 400.It is small that furnace body walking dolly 220 is melted in electric smelting, water-cooled mucking machine is walked
Vehicle 300 and ladle walking dolly 400 are motor-driven carrier and combine guide rail 110,210, and mobile more convenient, replacement is easier.Entirely
Process automatically controls, and does not have to personnel on site and operates, produces safer.
Melt in electric smelting and electric smelting is installed on furnace body walking dolly 220 melts furnace body hydraulic dumping mechanism 230.
It is placed with water-cooled mucking machine 310 on water-cooled mucking machine walking dolly 300, on ladle walking dolly 400
It is placed with ladle 410.
The present invention is melted in electric smelting to be equipped with electric smelting and melts furnace body 500 in furnace body hydraulic dumping mechanism 230, furnace body 500 is melted in electric smelting
In molten steel out, melts furnace body hydraulic dumping mechanism 230 by electric smelting and carry out that molten steel is poured out；It is hydraulic that furnace body is melted in electric smelting of the invention
Tipping mechanism 230 is precisely controlled the tilt angle that furnace body 500 is melted in electric smelting by adjusting oil cylinder fuel delivery.
The present invention is equipped with a bell bracket 120 on the base surface on basis 100, is equipped with one on bell bracket 120
Bell 510 and an oscillating feeder 600.
Feed inlet 511 and smoke outlet 512 are provided on bell 510, the feed inlet 511 on bell 510 is arranged in bell 510
Central location, smoke outlet 512 are located at the side of feed inlet 511.On discharge port 610 and bell 510 on oscillating feeder 600
Feed inlet 511 with one heart and be flexible coupling, guarantee charging it is smooth and closed.
In addition a feed bin (not shown) with weighing is also equipped on bell bracket 120, the feed bin with weighing
Discharge port is docked with the feed inlet of oscillating feeder 600.Dismountable transparent blanking is provided on oscillating feeder 600
Observation panel 611, transparent blanking observation panel are located at the surface of the discharge port 610 of oscillating feeder 600, melt furnace body according to electric smelting
Brightness in 500 may determine that level of filler material and melting situation in furnace body are melted in electric smelting, and reasonable set oscillating feeder 600 vibrates
Speed, while access hole of the transparent blanking observation panel 611 also as the feed inlet 511 on dredging bell 510.Oscillatory type feed
It, can be by the continuous closed feeding of set value calculation configured with variable-frequency motor as driving source in machine 600.
512 sectional area of smoke outlet high-temperature flue 710 and exhaust system 800 larger and by 512 upper vertical of smoke outlet
Connection；Temperature measurer 711 and measuring cell 712 are provided in high-temperature flue 710, measuring cell 712 controls 800 frequency conversion tune of exhaust system
Fast air-introduced machine frequency control.
The four piece screw rod guide posts 130 parallel with bell bracket 120 are provided on bell bracket 120, it is flat in mechanical elevating
There are four position feed screw nut's (not shown) corresponding with four 130 positions of screw rod guide post, every screw rods for setting on platform 210
Guide post 130 is threaded through a corresponding feed screw nut, by screw rod guide post 130 and feed screw nut to 210 raising of mechanical elevating platform
Drop and guiding role.
In the molten state, electric smelting is melted furnace body 500 and is located at below bell 510, and bell 510, which is covered, melts furnace body 500 in electric smelting
On fire door.
It is provided with an anti-slag bath 140 in basis 100, anti-slag bath 140 is located at the lower section that furnace body 500 is melted in electric smelting, anti-slag bath
140 horizontal projected area is greater than the horizontal projected area that furnace body 500 is melted in electric smelting, and the volume of anti-slag bath 140 is greater than electric melting furnace
The dischargeable capacity of storage melt in body 500, avoid leaking as slag and caused by security risk.
Electric smelting of the invention melts furnace body 500 using middle frequency furnace, and it is the environmental protection of low-loss and energy-saving that heating efficiency is high, speed is fast
Type induction heating equipment comprising furnace shell 520, upper section aluminium oxide special-shaped crucible 530, lower section carborundum graphite crucible 540, oxidation
Aluminium crucible protective case 550 and heating induction coil 560 are furnished with heat preservation furnace wall (not shown), oxygen on the inner wall of furnace shell 520
Change the setting of aluminium crucible protective case 550 in heat preservation furnace wall, upper section aluminium oxide special-shaped crucible 530, lower section carborundum graphite crucible 540
It is mounted on one melting crucible of composition, alumina crucible protective case 550 in alumina crucible protective case 550 and melting crucible is set
Outside, top cover, bottom are processed into using selected aloxite (AI2O3) as primary raw material with advanced ceramics technology, high-purity, heatproof
Property it is strong, resistant to corrosion, intensity are high, thermal shock resistance is high, good heat preservation performance.
Heating induction coil 560 is cased with outside 550 middle and lower part of aluminium oxide protective case；540, lower section carborundum graphite crucible
In in the induction zone of heating induction coil 560.Intermediate frequency high current flow direction is turned to cricoid heating induction coil 560, thus
The strong flux of polarity instantaneous variation is generated in heating induction coil 560, flux will penetrate through the lower section being placed in induction zone
Carborundum graphite crucible 540 will generate in the inside of lower section carborundum graphite crucible 540 direction opposite with heated current
Corresponding very big eddy current.Since there is resistance in lower section carborundum graphite crucible 540, so many joules can be generated
Heat rises rapidly the temperature of lower section carborundum graphite crucible 540 itself.Reach in lower section carborundum graphite crucible 540
The purpose of material heating.
560 detachable of heating induction coil of the invention, replacement are convenient.Ultrafast heating speed greatly reduces electric smelting
Melt the preheating time of furnace body.Heating induction coil 560 of the invention, can continuous 24 hours maximum works in 100% cyclic duration factor
It is carried out under the heated condition of rate.
Lower section carborundum graphite crucible 540 is the silicon carbide that not equal size is added inside the raw material of graphite crucible
Grain is compared with common graphite crucible: 1. cracking resistance is good, resistance to molten damage and resistance to oxidation, long service life.2. good thermal conduction is led
Heating rate is high, shortens dissolution time, saves the energy.
There is crucible chamber under the cylinder bottom of with, the earthenware under the cylinder bottom of in lower section carborundum graphite crucible 540
Crucible is intracavitary to be provided with one and holds one's breath partition 541, and partition 541 of holding one's breath is downward along the central axis for being parallel to crucible chamber 542 under cylinder
Extend and is spaced a distance with the bottom of chamber of crucible chamber 542 under cylinder；This, which is held one's breath, separates 541 for crucible chamber under cylinder
542 middle and upper part is divided into first area 542a and second area 542b, and the bottom of first area 542a is with second area 542b's
Bottom is interconnected, radial section product of the radial section product of first area 542a greater than second area 542b, first area
The top of 542a is higher than the top of second area 542b, and the top of first area 542a is opened wide, the top envelope of second area 542b
It closes；Second area 542b forms a discharging chamber, on the top of the sidewall of crucible of the lower section carborundum graphite crucible 540 of second area 542b
Portion is provided with an excessive cinder notch 542c, and the inner end for the cinder notch 542c that overflows is connected to discharging chamber.Cinder notch 542c lower edge of overflowing is carbonized lower than lower section
The upper edge of 3 SiC 2/graphite crucible 540 guarantees that melt liquid level is no more than the upper edge of lower section carborundum graphite crucible 540 always.
The first area 542a of the radial cross-sectional shape of upper section aluminium oxide special-shaped crucible 530 and cylindrical lower crucible chamber 542
Radial cross-sectional shape is identical, and the top and bottom of upper section aluminium oxide special-shaped crucible 530 are in open state.The upper section aluminium oxide abnormity
The bottom of crucible 530 is connected with the top of the first area 542a of cylindrical lower crucible chamber 542 by the way that card slot is closed.
There is in upper section aluminium oxide special-shaped crucible 530 the upper crucible chamber 531 of an abnormity, on abnormity the bottom of crucible chamber 531 and
The first area 542a of the lower crucible chamber 542 of cylinder is connected to and is from top to bottom divided into gasification zone, insulating layer and molten bath, the liquid in molten bath
Face be higher than hold one's breath partition 541 bottom so that overflow cinder notch 542c only be connected to discharging chamber, molten bath and pass through the melt in molten bath and
Gasification zone and insulating layer are completely isolated, and when making slag overflow, unmelted material will not reach excessive cinder notch, and furnace gas is made not leak.
It further includes several temperature measurer (not shown)s, the temperature measuring head of each temperature measurer that furnace body 500 is melted in electric smelting of the invention
Directly contact the outer wall of upper section aluminium oxide special-shaped crucible and lower section carborundum graphite crucible 540.Thermometric is accurate, and reaction speed is fast,
The power of middle frequency furnace is adjusted according to temperature, it is more energy efficient, it realizes the automatic control of temperature, improves heating quality and simplify worker behaviour
Make.
The present invention is provided with a diversion trench 420 on ladle 410, and a slag guiding trough is provided on water-cooled mucking machine 310
320, entrance any upright often work after ladle 410 and water-cooled mucking machine 310 switch of diversion trench 420 and slag guiding trough 320
The excessive cinder notch 542c docking of Shi Junyu.
The full-automatic continuous feed of the invention part that metal recovery electricity melting plant is not described in detail of slagging tap and topple over asks
Apply referring to the applicant and a kind of published CN201720097296.2 " electricity-saving that continuous feed is slagged tap melting dress
Set " and CN201720712547.3 " a kind of metal recovery electricity melting plant that continuous feed is slagged tap ".
Material melts process of the invention is as follows:
Block material passes through the oscillating feeder 600 under the feed bin of band weighing and presses set amount continuously from bell 510
Feed inlet 511 is fallen into the melting crucible that electric smelting is melted in furnace body 500.
Material enters after electric smelting is melted in melting crucible in furnace body 500 successively by gasification zone, insulating layer, molten bath, finally
The cinder notch 542c that overflows is reached around discharging chamber is entered after the partition 541 of holding one's breath in lower section carborundum graphite crucible 540, passes through the cinder notch that overflows
The slag guiding trough 320 of 542c and water-cooled mucking machine 310, which is fallen into water cooling slag remover 310, to be continuously discharged.
After material enters in melting crucible, the topmost that gasification zone falls on insulating layer is first passed around, after material meets high temperature, object
Moisture and volatile matter in material enter gasification zone and are discharged by the smoke outlet 512 on the bell 510 with gasification zone connection.Insulating layer
With certain thickness, insulation effect, insulating layer and molten bath of the block material in melting crucible are played to lower section molten bath inner melt
Between the continuous accumulation of heat of motion path from top to bottom, successively by softening, deformation, melting, melt flow process.
The biggish metal of density is moved to molten bath bottom to be stayed in molten bath, and it is higher that a period of time is worked as tenor in molten bath
When, oscillating feeder 600 is automatically controlled with the Weighing module in the feed bin weighed and stops charging, is all melted to material in furnace
Melt, the cinder notch 524c that overflows no longer overflows after slag, and water-cooled mucking machine 310 leaves electricity under the drive of water-cooled mucking machine walking dolly 300
Furnace body 500 is melted, and ladle 410 melts furnace body 500 close to electric smelting under the drive of ladle walking dolly 400.Ladle walking dolly 400
After in place, starts mechanical hoistable platform 200 and decline, so that electric smelting is melted furnace body 500 and moved down, separated with bell 510, work as machinery
After hoistable platform 200 falls on bottom completely, furnace body hydraulic dumping mechanism 230 is melted in starting electric smelting, and furnace body hydraulic dumping machine is melted in electric smelting
Oil cylinder in structure 230 jacks up electric smelting and melts furnace body 500 and bring it about inclination, by controlling the fuel delivery of oil cylinder, realizes that electric smelting is melted
The tilt angle of furnace body 500, tilt angle maximum are set as 90 °, the higher metal of density in the molten bath of bottom in melting crucible
After all being imported ladle 410 by the diversion trench 420 to overflow on cinder notch 524c and ladle 410, it is hydraulic that furnace body is melted in starting electric smelting
Tipping mechanism 230 makes electric smelting melt furnace body 500 to return to horizontal position, jacked up by mechanical elevating platform 200, be connected close with bell 510
It closes, ladle 410 automatically switches into water-cooled slag remover 310, and electric smelting, which melts furnace body 500 and starts to restore continuous feed, slags tap state.
Claims (12)
- The metal recovery electricity melting plant 1. a kind of full-automatic continuous feed is slagged tap and toppled over, comprising:One basis and the mechanical elevating platform on the basis of being mounted on, base surface and the mechanical elevating platform on the basis A pair of parallel guide rail is equipped in flat surface, the guide rail in the flat surface of the mechanical elevating platform is in the mechanical elevating It is linked up when platform is preferably minimized position with the guide rail on the base surface；It is arranged on the guide rail on the base surface on the basis and the flat surface of the mechanical elevating platform using walking manner Furnace body walking dolly, water-cooled mucking machine walking dolly and ladle walking dolly are melted in electric smelting；It walks in the water-cooled mucking machine It is placed with water-cooled mucking machine on trolley, is placed with ladle on the ladle walking dolly；It is mounted on the electric smelting that the electric smelting is melted on furnace body installation carriage and melts furnace body hydraulic dumping mechanism；It being mounted on the electric smelting that the electric smelting is melted in furnace body hydraulic dumping mechanism and melts furnace body, the electric smelting melts furnace body in molten steel out, Melt furnace body hydraulic dumping mechanism by the electric smelting to carry out that molten steel is poured out；The bell bracket being mounted on the base surface on the basis is equipped with a bell and an oscillatory type on the bell bracket Batcher is provided with feed inlet and smoke outlet on the bell, on the discharge port on the oscillating feeder and the bell Feed inlet docking, in the molten state, the electric smelting is melted furnace body and is located at below the bell, and the bell is covered in the electric smelting Melt on the fire door of furnace body.
- The metal recovery electricity melting plant 2. a kind of full-automatic continuous feed as described in claim 1 is slagged tap and toppled over, feature It is, the feed inlet on the bell is arranged in the bell central location, and the smoke outlet is located at the side of the feed inlet； The smoke outlet connects exhaust gas purification system by high-temperature flue；It is provided with temperature measurer and measuring cell in the high-temperature flue, The measuring cell controls the frequency control air-introduced machine frequency control in the exhaust gas purification system.
- The metal recovery electricity melting plant 3. a kind of full-automatic continuous feed as described in claim 1 is slagged tap and toppled over, feature It is, it is motor-driven carrier that furnace body walking dolly, water-cooled mucking machine walking dolly and ladle walking dolly are melted in the electric smelting.
- The metal recovery electricity melting plant 4. a kind of full-automatic continuous feed as described in claim 1 is slagged tap and toppled over, feature It is, is provided with an anti-slag bath in the basis, the anti-slag bath is located at the lower section that furnace body is melted in the electric smelting, the anti-slag bath Horizontal projected area be greater than the electric smelting and melt the horizontal projected area of furnace body, the volume of the anti-slag bath is greater than the electric smelting and melts The dischargeable capacity of storage melt in furnace body.
- The metal recovery electricity melting plant 5. a kind of full-automatic continuous feed as described in claim 1 is slagged tap and toppled over, feature It is, the four piece screw rod guide posts parallel with the bell bracket is provided on the bell bracket, it is flat in the mechanical elevating Setting is there are four position feed screw nut corresponding with four screw rod guide post positions on platform, every screw rod guide post be threaded through one it is right The feed screw nut answered, by screw rod guide post and feed screw nut to the mechanical elevating platform lifting and guiding role.
- The metal recovery 6. a kind of full-automatic continuous feed as described in any one of claim 1 to 5 claim is slagged tap and toppled over Electric melting plant, which is characterized in that it includes furnace shell, upper section aluminium oxide special-shaped crucible, lower section carbonization silica that furnace body is melted in the electric smelting Black crucible, alumina crucible protective case and heating induction coil are furnished with heat preservation furnace wall, the oxidation on the inner wall of the furnace shell The protection of aluminium crucible is set in the heat preservation furnace wall, the upper section aluminium oxide special-shaped crucible, lower section carborundum graphite crucible peace One melting crucible of composition, the aluminium oxide protective case are cased with heat induced outside middle and lower part in the alumina crucible protective case Coil；The lower section carborundum graphite crucible is located in the induction zone of the heating induction coil, interior to have the circle bottom of with Crucible chamber under cylindricality, crucible is intracavitary under the cylinder at the band bottom is provided with one and holds one's breath partition, and the partition of holding one's breath is along parallel It is extended downwardly in the central axis of the cylindrical lower crucible chamber and certain with the bottom of chamber interval of the cylindrical lower crucible chamber Distance；The middle and upper part of the cylindrical lower crucible chamber is divided into first area and second area by the partition of holding one's breath, and described first The bottom in region and the bottom of the second area are interconnected, and the radial section product of the first area is greater than secondth area The radial section product in domain, the top of the first area are higher than the top of the second area, and the top of the first area is spacious Open, second area it is top closed；The second area forms a discharging chamber, in the lower section carborundum graphite of the second area An excessive cinder notch is provided at the top of the sidewall of crucible of crucible, the inner end of the excessive cinder notch is connected to the discharging chamber；The upper section oxygen The radial cross-sectional shape for changing aluminium special-shaped crucible is identical as the cylindrical lower first area radial cross-sectional shape of crucible chamber, described The top and bottom of upper section aluminium oxide special-shaped crucible are in open state, the bottom of the upper section aluminium oxide special-shaped crucible and the circle The top of the first area of crucible chamber passes through the closed linking of card slot under cylindricality；It is different with one in the upper section aluminium oxide special-shaped crucible Crucible chamber in shape, the bottom of the upper crucible chamber of abnormity are connected to and from top to bottom with the first area of the cylindrical crucible chamber down It is divided into gasification zone, insulating layer and molten bath, the liquid level in the molten bath is higher than the bottom of the partition of holding one's breath, so that the excessive cinder notch is only It is connected to the discharging chamber, molten bath and passes through the melt in the molten bath and the gasification zone and insulating layer are completely isolated.
- The metal recovery electricity melting plant 7. a kind of full-automatic continuous feed as claimed in claim 6 is slagged tap and toppled over, feature It is, it further includes several temperature measurers that furnace body is melted in the electric smelting, and the temperature measuring head of each temperature measurer directly contacts the upper section aluminium oxide The outer wall of special-shaped crucible and lower section carborundum graphite crucible.
- The metal recovery electricity melting plant 8. a kind of full-automatic continuous feed as claimed in claim 6 is slagged tap and toppled over, feature It is, a diversion trench is provided on the ladle, a slag guiding trough, the diversion trench is provided on the water-cooled mucking machine With the entrance of slag guiding trough after the ladle and the water-cooled mucking machine switching when any upright often work with the excessive slag Mouth docking.
- The metal recovery electricity melting plant 9. a kind of full-automatic continuous feed as claimed in claim 6 is slagged tap and toppled over, feature It is, a feed bin with weighing, the discharge port of the feed bin of the band weighing and the vibration is also equipped on the bell bracket The feed inlet of dynamic formula batcher docks.
- The metal recovery electricity melting plant 10. a kind of full-automatic continuous feed as claimed in claim 6 is slagged tap and toppled over, feature It is, the discharge port of the oscillating feeder is concentric with the feed inlet on the bell and is flexible coupling.
- The metal recovery electricity melting plant 11. a kind of full-automatic continuous feed as claimed in claim 6 is slagged tap and toppled over, feature It is, transparent blanking observation panel is provided on the oscillating feeder, and the transparent blanking observation panel is located at the vibration The surface of the discharge port of formula batcher, maintenance of the transparent blanking observation panel also as the feed inlet dredged on the bell Mouthful.
- The metal recovery electricity melting plant 12. a kind of full-automatic continuous feed as claimed in claim 6 is slagged tap and toppled over, feature It is, configured with variable-frequency motor as driving source in the oscillating feeder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810065886.6A CN108302941B (en) | 2018-01-23 | 2018-01-23 | A kind of full-automatic continuous feed is slagged tap and topples over metal recovery electricity melting plant |
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| CN201810065886.6A CN108302941B (en) | 2018-01-23 | 2018-01-23 | A kind of full-automatic continuous feed is slagged tap and topples over metal recovery electricity melting plant |
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| CN112247648A (en) * | 2020-09-28 | 2021-01-22 | 巢湖云海镁业有限公司 | Scrap collecting and smelting equipment for magnesium-aluminum alloy processing |
| CN113414228B (en) * | 2021-08-25 | 2021-11-16 | 徐州众迈节能环保科技有限公司 | Electromagnetic hot-melting type reinforced concrete separating device and using method thereof |
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| DE4409145A1 (en) * | 1994-03-17 | 1995-09-21 | Gutehoffnungshuette Man | Electric arc furnace plant for residue melting |
| US6473446B2 (en) * | 2000-12-13 | 2002-10-29 | Sms Demag, Inc. | Electric furnace for steel making |
| CN2558664Y (en) * | 2002-08-20 | 2003-07-02 | 东北大学 | Multifunctional hot dip plating simulation device |
| CN206572530U (en) * | 2017-01-25 | 2017-10-20 | 上海煜工环保科技有限公司 | The electricity-saving melting plant that a kind of continuous feed is slagged tap |
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