CN109612280A - A kind of bottomless electrode DC mineral hot furnace of multiloop - Google Patents
A kind of bottomless electrode DC mineral hot furnace of multiloop Download PDFInfo
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- CN109612280A CN109612280A CN201811467548.1A CN201811467548A CN109612280A CN 109612280 A CN109612280 A CN 109612280A CN 201811467548 A CN201811467548 A CN 201811467548A CN 109612280 A CN109612280 A CN 109612280A
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- rectifier
- mineral hot
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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
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/08—Heating by electric discharge, e.g. arc discharge
- F27D11/10—Disposition of electrodes
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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
- F27D19/00—Arrangements of controlling devices
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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
- F27D9/00—Cooling of furnaces or of charges therein
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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
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
- F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
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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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Discharge Heating (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
Abstract
The present invention discloses a kind of bottomless electrode DC mineral hot furnace of multiloop, comprising: control cabinet, for collection site digital quantity and analog quantity and the mineral hot furnace is carried out automatically controlling；Station, is connected to the control cabinet, and the station is equipped with on-off switch, automatic start-stop button, scram button, indicator light and the computer for data record and statistics filing；Rectifier, is connected to the control cabinet and can be by AC conversion at direct current；Transformer is connected to alternating current power transmission and the rectifier and can carry out decompression isolation processing to high-voltage electricity；Furnace body constitutes high-temperature resistant container with access furnace charge；Electrode group, including the anode and cathode being arranged in furnace body；Electrode holde, including first electrode holder and second electrode holder.The present invention will be not necessarily to hearth electrode or lateral electrode, and can save the cost of mineral hot furnace in production by the way that rectifier anode, short net, anode, furnace charge, cathode and rectifier cathode are connected and composed DC loop.
Description
Technical field
The present invention relates to mineral hot furnace technical fields, and in particular to a kind of bottomless electrode DC mineral hot furnace of multiloop.
Background technique
China's annual ferroalloy annual output in 2017 is up to more than 3,500 ten thousand tons at present, and whole world mineral hot furnace capacity is on year by year
It rises, in the development process of mineral hot furnace, the production of three-phase alternating current mineral hot furnace ferroalloy obtains cracking development, but with ac electric arc furnace
Capacity and power level greatly improve, and discovery ac electric arc furnace is smelted in consumption of electrode, power consumption, arc stability, noise
Time etc. comes with some shortcomings, and power is higher, and problem is more obvious；And direct current electric arc furnace, DC ladle furnace, DC-ore-heating furnace
Accounting is considerably less at home, and accounting is less than 1%, and some developed country's DC heat metallurgy accountings are up to 10% or more, when
So, at present similarly there is this or that in the DC-ore-heating furnace of comercial operation, such as electrode baking, such as when electric furnace function
After rate rises to certain capacity, the roasting of major diameter electrode can be extremely difficult.
Such as conventional three-phase alternating current mineral hot furnace, including furnace body, furnace body be provided centrally with self-baking electrode holder, water cooling furnace
Lid, the nearly bottom end of furnace body are provided with tapping hole and slag notch, and the furnace body is pressed from both sides by refractory-lined ovens lining, pouring layer and water from inside to outside
Set is constituted, and bell top is provided with water cooling smoke pipe, and screw conveyor expects pipe, screw conveyor discharging are provided with above the furnace body
Mouth face furnace body top, water cooling smoke pipe are sequentially connected dry type chilling tower, bag filter, blower and blowdown stack, opening and draw
Blower after electric oven reaches certain temperature, starts to feed after electrode baking is good, and control screw conveyor has Level control, reaches
To material position, it is automatically stopped charging, charging is completed, and electric furnace operates normally melting, and secondary voltage, electric current will keep balance and stability, temperature
Degree reaches, starts deslagging, and in temperature, secondary voltage is to assist reference point at control point, and after deslagging to certain liquid level, stopper is certainly
It is dynamic to block scum pipe, it feeds, stops to liquid level again, in cycles, to the last material melting finishes, and starts bottom tapping hole
Tapping, after tapping, this melting terminates, and liquid level sensor is provided on arc draught hood, and temperature biography is provided on furnace body
Sensor, face slag-drip opening, tapping hole lower section are provided with cinder ladle and Tie Bao.
The above-mentioned prior art uses three-phase electrode voltage, and electric current is easy to appear imbalance, and consumption of electrode is high, and furnace bottom uses the longevity
It orders short, therefore the running cost of mineral hot furnace can be improved, be based on technical problem of the existing technology, the present invention proposes a kind of big
The bottomless electrode DC mineral hot furnace of power multiloop.
Summary of the invention
The present invention provides a kind of bottomless electrode DC mineral hot furnace of multiloop, by by rectifier anode, short net, anode, furnace
Material, cathode and rectifier cathode connect and compose DC loop, are not necessarily to hearth electrode or lateral electrode.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of bottomless electrode DC mineral hot furnace of multiloop, comprising:
Control cabinet, for collection site digital quantity and analog quantity and the mineral hot furnace is carried out automatically controlling；
Station, is connected to the control cabinet, and the station is equipped with on-off switch, automatic start-stop button, emergency stop
Button, indicator light and the computer for data record and statistics filing；
Rectifier, is connected to the control cabinet and can be by AC conversion at direct current, wherein the rectifier uses
Multi-pulse rectification system；
Transformer is connected to alternating current power transmission and the rectifier and can carry out decompression isolation processing to high-voltage electricity, to reach
To the voltage class for meeting technique use condition；
Furnace body constitutes high-temperature resistant container with access furnace charge；
Electrode group, including the anode and cathode being arranged in the furnace body, the anode is connected to institute by the first short net
The anode of rectifier is stated, the cathode is connected to the cathode of the rectifier by the second short net, wherein is arranged in the furnace body
There are several electrode groups；
Electrode holde, the electrode holde include the first electrode gone up and down for controlling the anode in the furnace body
Holder and the second electrode holder gone up and down for controlling the cathode in the furnace body, the quantity of the electrode holde with
The quantity of the electrode group is identical.
Further, the data include voltage, electric current, plasma gas pressure flow and water-cooling system water temperature, hydraulic pressure,
Water flow.
Further, the I/O module that the PLC for automatic control is equipped in the control cabinet and is connected with the PLC
Relay terminal row.
Further, reactor is also connected between the rectifier and the first short net, wherein the rectifier connects
It is connected to the reactor, the reactor is connected to the described first short net, the first short net is connected to the anode, the sun
Pole and the cathode access in furnace charge, the cathode by the described second short net is connected to the rectifier to constitute direct current
Logical circulation road.
Further, the bottomless electrode DC mineral hot furnace of the multiloop further includes aqueous vapor control cabinet, the aqueous vapor control cabinet
Equipped with water lines and air pipe, the water lines are connected to the rectifier and the transformer to the rectifier and described
Transformer is cooled down；The air pipe be connected to the anode and the cathode with to the anode and the cathode supply etc.
Ionized gas, the aqueous vapor control cabinet are also equipped with warning function, can be monitored to water temperature hydraulic pressure water flow, monitor failure
It alarms after information；It can also monitor the flow of plasma gas, when underfed, sound an alarm.
Further, the bottomless electrode DC mineral hot furnace of the multiloop further includes electrode regulating control cabinet and electrode holder
Device, the electrode regulating control cabinet are connected to the control cabinet, and the anode and the cathode are arranged at the electrode holder
On device, the electrode holde is connected to the electrode regulating control cabinet, controls the electricity by the electrode regulating control cabinet
Electrode holder is to realize rising or falling for the anode or the cathode.
Further, temperature measuring equipment is additionally provided in the furnace body, the temperature measuring equipment includes that several independent thermometrics pass
Sensor, the temperature transducer are connected to the control cabinet.
Further, furnace charge liquid level emasuring device, the furnace charge liquid level emasuring device connection are additionally provided in the furnace body
In the control cabinet.
Further, the furnace body shape is round, rectangular, rectangle or ellipse.
Further, be provided with several groups electrode group in the furnace body, the quantity of the rectifier and the transformer with
The quantity of the electricity grade group is identical, wherein the several groups electrode group constitutes circuit by several groups DC power supply.
Further, the bottomless electrode DC mineral hot furnace of the multiloop further includes field controller, the field controller
It is connected to the main controller.
Further, the furnace body is made of furnace lining and the furnace shell covered on the outside of furnace lining.
Further, the plasma gas can use air, nitrogen or argon gas.
Further, the anode and the cathode can use carbon resistance rod, graphite electrode or self-baking electrode.
Further, the anode and the cathode are able to use solid electrode or coreless armature.
Further, the rectifier uses the uncontrollable rectification of diode.
Further, the first electrode holder and/or the second electrode holder include approaching the furnace body
Holder support, the electrode clamping device that can be moved up and down on the holder support and for driving the electrode to clamp
The driving motor of device, the first electrode holder or the second electrode holder are clamped in the electrode clamping device
One end, wherein the driving motor by driving be arranged on the holder support screw rod rotation be installed in driving
The electrode clamping device feed screw nut lifting.
Compared with prior art, superior effect of the invention is:
1, the bottomless electrode DC mineral hot furnace of multiloop of the present invention, passes through control cabinet, station, rectifier, transformation
Device, furnace body, anode, cathode and short net are equipped with, and can form DC loop in conjunction with furnace charge, to omit hearth electrode or side
Electrode；
2, the bottomless electrode DC mineral hot furnace of multiloop of the present invention, by using the supplier of electricity of multiple groups DC power supply
Formula constitutes multiple DC loops, solves the problems, such as that charge-temperature gradient is larger, keeps charge-temperature relatively uniform, using multiple spot
The mode of heating can effectively improve the efficiency of the bottomless electrode DC mineral hot furnace of the multiloop；
3, the bottomless electrode DC mineral hot furnace of multiloop of the present invention can be effective whole by the setting of water lines
Stream device, transformer and reactor cool down；By the setting of air pipe, keep the energy of plasma arc stronger.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the bottomless electrode DC mineral hot furnace of multiloop in the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of electrode group in the embodiment of the present invention 1；
Fig. 3 is the structural schematic diagram of first electrode holder in the embodiment of the present invention 1.
Detailed description of the invention is as follows:
1- control cabinet, 2- station, 3- rectifier, 4- transformer, 5- furnace body, 51- furnace lining, 52- furnace shell, 6- electrode group,
61- anode, 62- cathode, the short net of 7- first, the short net of 71- second, 8- aqueous vapor control cabinet, 81- water lines, 82- air pipe, 9- electricity
Pole adjusts control cabinet, 10- electrode holde, 101- first electrode holder, 102- second electrode holder, 103- holder branch
Seat, 104- electrode clamping device, 105- driving motor, 11- temperature measuring equipment, 111- temperature transducer, 12- furnace charge level gauging dress
It sets, 13- field controller, 14- reactor.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail, it should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Embodiment 1
As shown in Figure 1-3, a kind of bottomless electrode DC mineral hot furnace of multiloop, comprising:
Control cabinet 1, for collection site digital quantity and analog quantity and the mineral hot furnace is carried out automatically controlling, the master
The I/O module relay terminal block for being equipped with the PLC for automatic control in control cabinet 1 and being connected with the PLC；
Station 2, is connected to the control cabinet 1, and the station 2 is equipped with on-off switch (not shown), automatic
Start-stop button, scram button, indicator light and the computer (not showing in figure) for data record and statistics filing；
Rectifier 3, is connected to the control cabinet 1 and can be by AC conversion at direct current；
Transformer 4 is connected to alternating current power transmission and the rectifier 3 and can carry out decompression isolation processing to high-voltage electricity, with
Reach the voltage class for meeting technique use condition；
Furnace body 5 constitutes high-temperature resistant container with access furnace charge；
Electrode group 6, including the anode 61 and cathode 62 being arranged in furnace body 5, wherein the anode 61 passes through the first short net
7 are connected to the anode of the rectifier 3, and the cathode 62 is connected to the cathode of the rectifier 3 by the second short net 71；
Electrode holde 10, the electrode holde 10 include going up and down in the furnace body 5 for controlling the anode 61
First electrode holder 101 and the second electrode holder 102 that is gone up and down in the furnace body 5 for controlling the cathode 62,
The quantity of the electrode holde 10 is identical as the quantity of the electrode group 6.
The first electrode holder 101 and/or the second electrode holder 102 include the handle for approaching the furnace body 5
Holder support 103, the electrode clamping device 104 that can be moved up and down on the holder support 103 and described for driving
The driving motor 105 of electrode clamping device 104, the first electrode holder 101 or the second electrode holder 102 are pressed from both sides
It holds in one end of the electrode clamping device 104, wherein the driving motor 105 is arranged by driving in the holder branch
Screw rod rotation on seat 103 is to drive the feed screw nut being installed on the electrode clamping device 104 to go up and down.
Wherein, the on-off switch is for controlling 4 power on/off of transformer；The automatic start-stop button is for controlling rectification
3 start and stop of device, control automatic adjustment electrode raising and lowering and control plasma gas pressure and flow；The scram button is used for
Control the lifting of the shutdown of rectifier 3, anode 61 and cathode 62, valve is closed, transformer 4 powers off；The indicator light is for showing
3 working condition of on-off switch, transformer 4 and rectifier.
In the present embodiment, the rectifier 3 uses 6 pulse wave rectifier systems.
The bottomless electrode DC mineral hot furnace of multiloop further includes aqueous vapor control cabinet 8, and the aqueous vapor control cabinet 8 is equipped with water pipe
Road 81 and air pipe 82, the water lines 81 are connected to the rectifier 3 and the transformer 4 to the rectifier 3 and institute
Transformer 4 is stated to be cooled down；The air pipe 82 is connected to the anode 61 and the cathode 62 with to the anode 61 and institute
It states cathode 62 and supplies plasma gas, the aqueous vapor control cabinet 8 is also equipped with warning function, can carry out to water temperature hydraulic pressure water flow
Monitoring, alarms after monitoring fault message；It can also monitor the flow of plasma gas, when underfed, sound an alarm.
Wherein, cooling water pumps (not shown) by the Water-cooling circulating in the water lines 81 and is driven, the tracheae
Road 82 is driven by supply station or air pump, is used contact type temperature sensor to the monitoring of water temperature, is adopted to the monitoring of hydraulic pressure
With pressure sensor, turbine flow transducer (not shown) is used to the monitoring of water flow.
The bottomless electrode DC mineral hot furnace of multiloop further includes electrode regulating control cabinet 9, the electrode regulating control cabinet 9
It is connected to the control cabinet 1, the electrode holde 10 is connected to the electrode regulating control cabinet 9, passes through the electrode regulating
Control cabinet 9 controls the electrode holde 10, to realize rising or falling for the anode 61 or the cathode 62.
Wherein, OA-TJG01 type control cabinet of the electrode regulating control cabinet 9 using the production of certain company, the electrode holder
The OA-TJB01 type regulating arm that device 10 is produced using certain company.
Temperature measuring equipment 11 is additionally provided in the furnace body 5, the temperature measuring equipment 11 includes several independent temperature transducers
111, the temperature transducer 111 is connected to the control cabinet 1.
Furnace charge liquid level emasuring device 12 is additionally provided in the furnace body 5, the furnace charge liquid level emasuring device 12 is connected to institute
Control cabinet 1 is stated, to send the data information of furnace charge liquid level to the PLC of the control cabinet 1, the PLC of the control cabinet 1 is according to furnace charge
The data information of liquid level carries out controlling the electrode regulating control cabinet 9, and the electrode regulating control cabinet 9 controls the electrode holder
The lifting of device 10.
In the present embodiment, the furnace charge liquid level emasuring device 12 uses intermittent furnace charge measuring system, and main includes gold
Belong to ceramic rod, and access safe voltage between cermet rod and molten steel, cermet rod is fixed on auxiliary by seal
It helps on elevating mechanism, and installs encoder on liter auxiliary descending mechanism, on the top of assistance for lifting mechanism, setting one stroke is switched,
Assistance for lifting mechanism carries out lowering action by the sample frequency of setting, when cermet rod and furnace charge access failure, metal pottery
Porcelain stick is the amplitude for the safe voltage powered to the voltage of furnace charge, when cermet rod contacts conducting with furnace charge, cermet
Stick is 0V to the voltage value of furnace charge, and assistance for lifting mechanism executes vertical motion, after rising to the travel switch position on top always
Stop waiting sampling next time；The encoder position of assistance for lifting mechanism will be acquired, is led in the moment that voltage is zero
The actual height that the distance that the home position of encoder subtracts cermet rod downlink can be calculated to furnace charge is crossed, auxiliary rises
Descending mechanism carries out automatic lifting operation according to the sampling interval of setting.
5 shape of furnace body is round, rectangular, rectangle or ellipse.
Electrode group 6 described in several groups, the quantity and institute of the rectifier 3 and the transformer 4 are provided in the furnace body 5
The quantity for stating electric grade group 6 is identical.In the present embodiment, the electrode group 6 is powered using multiple groups DC power supply, short circuit rises
It declines to a great extent when arc to power grid impact.
The bottomless electrode DC mineral hot furnace of multiloop further includes field controller 13, and the field controller 13 is connected to
The main controller 1.
Wherein, the field controller 13 for the rise and fall of coordination electrode, the opening and closing of air valve and water valve and
The start and stop of the rectifier 3.
The furnace body 5 is made of furnace lining 51 and the furnace shell 52 covered in 51 outside of furnace lining.
The plasma gas can use air, nitrogen or argon gas.
The anode 61, cathode 62 can use carbon resistance rod, graphite electrode or self-baking electrode.
The anode 61, cathode 62 are able to use solid electrode or coreless armature.
The rectifier 3 uses the uncontrollable rectification of diode.
In the present embodiment, every group of DC power supply passes through rectifier anode, the first short net 7, the anode 61, furnace
Material, the cathode 62, the second short net 71 and 3 cathode of the rectifier connect and compose DC loop, are not necessarily to hearth electrode or side
Electrode, in the case where no hearth electrode, by multiple DC loops, multiple DC loops use multi-pulse rectification technology, improve
Electric stove power coefficient interferes power grid without higher hamonic wave, applies certain direct current energy on cathode 62 and anode 61, generate arc
Gas medium is adequately ionized by light, so that arc light thermal energy high concentration is got up and is carried out the heating of material in the furnace body 5.
In the present embodiment, the course of work of the bottomless electrode DC mineral hot furnace of the multiloop is as follows:
It is packed into after conducting medium (molten steel or mineral aggregate) in the furnace body 5, operator on the station 2 by carrying out
Closing operation, and heating power is set in the computer system on the station 2, after the running parameters such as heating temperature,
And after pressing automatic start-stop button, the PLC in the control cabinet 1 can be set according to the data of the temperature measuring equipment 11 with operator
Fixed heating temperature is compared, described when temperature of the detection temperature of the temperature measuring equipment 11 lower than operator's setting
Control cabinet 1 controls the rectifier 3 and devotes oneself to work state, and plasma gas valve starts to supply, then, the electrode group
6 begin to decline that (control cabinet 1 controls the electrode regulating control cabinet 9, real then by driving the electrode holde 10
The existing electrode group 6 executes lowering action), it is connect when being packed into conducting medium in the anode 61 (or cathode 62) and the furnace body 5
After touch, the anode 61 (or cathode 62) stops decline, and for DC current by the rectifier 3, DC bus is positive, and direct current is short
Net is positive, the anode 61, conducting medium in furnace, the cathode 62, DC bus cathode, forms current path, big in direct current
Make the whole starting the arc of the anode 61, the cathode 62 under the action of electric current and plasma gas, then the control cabinet 1 controls institute
Electrode regulating control cabinet 9 is stated, by the driving electrodes holder 10, realizes that the electrode group 6 executes vertical motion, by electric arc
It gradually elongates, arc length is determined by the heating power of operator's setting.The control cabinet 1 controls the aqueous vapor control
Cabinet 8 carries out the automatic adjustment of plasma gas flow, when the actual temperature of the temperature measuring equipment 11 detection reaches set by operator
When fixed temperature, the bottomless electrode DC mineral hot furnace of multiloop stops heating.
The aqueous vapor control cabinet 8, which detects, can be transmitted to signal the control cabinet when scene temperature pressure flow data exception
1, it is final to generate alarm or autostop.
In the present embodiment, the structure and composition of the bottomless electrode DC mineral hot furnace of the multiloop can also apply to electric arc
Electric furnace, resistance electric furnace.
Embodiment 2
In the present embodiment, it is also connected with the reactor 14 between the rectifier 3 and the first short net 7, it is described
Reactor 14 is able to suppress current changing rate peace wave, when scene the described first short net 7 apart from it is close when, need the reactor
14 carry out inhibiting current changing rate peace wave, and the present embodiment is only defined the reactor 14, in addition to this, with implementation
It is identical in example 1.
Embodiment 3
In the present embodiment, the rectifier 3 uses 12 pulse wave rectifier systems, constitutes N group by using N group DC power supply
Circuit can be realized 12*N pulse wave rectifier.The present embodiment is only defined the rectifier 3, in addition to this, and embodiment
It is identical in 1.
The present invention is not limited to the above embodiments, and the above embodiments and description only describe of the invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is defined by the following claims.
Claims (10)
1. a kind of bottomless electrode DC mineral hot furnace of multiloop characterized by comprising
Control cabinet, for collection site digital quantity and analog quantity and the mineral hot furnace is carried out automatically controlling；
Station, is connected to the control cabinet, the station be equipped with on-off switch, automatic start-stop button, scram button,
Indicator light and the computer filed for data record and statistics；
Rectifier, is connected to the control cabinet and can be by AC conversion at direct current, wherein the rectifier uses more arteries and veins
Wave commutation system；
Transformer is connected to alternating current power transmission and the rectifier and can carry out decompression isolation processing to high-voltage electricity；
Furnace body constitutes high-temperature resistant container with access furnace charge；
Electrode group, including the anode and cathode being arranged in the furnace body, the anode is connected to described whole by the first short net
The anode of device is flowed, the cathode is connected to the cathode of the rectifier by the second short net, wherein if being provided in the furnace body
Dry electrode group；
Electrode holde, the electrode holde include the first electrode handle gone up and down in the furnace body for controlling the anode
Holder and the second electrode holder gone up and down in the furnace body for controlling the cathode, the quantity of the electrode holde with
The quantity of the electrode group is identical.
2. the bottomless electrode DC mineral hot furnace of multiloop according to claim 1, which is characterized in that be equipped in the control cabinet
PLC for automatic control and the I/O module relay terminal block that is connected with the PLC.
3. the bottomless electrode DC mineral hot furnace of multiloop according to claim 1, which is characterized in that the rectifier and described
Reactor is also connected between first short net, wherein the rectifier is connected to the reactor, the reactor is connected to institute
State the first short net, the first short net be connected to the anode, the anode and the cathode access in furnace charge, the cathode
The rectifier is connected to by the described second short net to constitute DC current path.
4. the bottomless electrode DC mineral hot furnace of multiloop according to claim 1, which is characterized in that the bottomless electricity of multiloop
Pole DC-ore-heating furnace further includes aqueous vapor control cabinet, and the aqueous vapor control cabinet is equipped with water lines and air pipe, the water lines connection
In the rectifier and the transformer；The air pipe is connected to the anode and the cathode.
5. the bottomless electrode DC mineral hot furnace of multiloop according to claim 1, which is characterized in that the bottomless electricity of multiloop
Pole DC-ore-heating furnace further includes electrode regulating control cabinet, and the electrode regulating control cabinet is connected to the control cabinet, the electrode
Holder is connected to the electrode regulating control cabinet.
6. the bottomless electrode DC mineral hot furnace of multiloop according to claim 1, which is characterized in that also set up in the furnace body
There is temperature measuring equipment, the temperature measuring equipment includes several independent temperature transducers, and the temperature transducer is connected to the master control
Cabinet.
7. the bottomless electrode DC mineral hot furnace of multiloop according to claim 1, which is characterized in that also set up in the furnace body
There is furnace charge liquid level emasuring device, the furnace charge liquid level emasuring device is connected to the control cabinet.
8. the bottomless electrode DC mineral hot furnace of multiloop according to claim 1, which is characterized in that the first electrode is held
Device and/or the second electrode holder include the holder support for approaching the mineral hot furnace furnace body, can be in the holder
The electrode clamping device moved up and down on support and the driving motor for driving the electrode clamping device, the first electrode
Holder or the second electrode holder are clamped in one end of the electrode clamping device, wherein the driving motor is logical
The screw rod being arranged on the holder support of overdriving rotates.
9. the bottomless electrode DC mineral hot furnace of multiloop according to claim 1, which is characterized in that the rectifier and described
The quantity of transformer is identical as the quantity of the electrode group, wherein the several groups electrode group passes through several groups DC power supply structure
At circuit.
10. the bottomless electrode DC mineral hot furnace of multiloop according to claim 1, which is characterized in that the multiloop is bottomless
Electrode DC mineral hot furnace further includes field controller, and the field controller is connected to the main controller.
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| CN201811467548.1A CN109612280A (en) | 2018-12-03 | 2018-12-03 | A kind of bottomless electrode DC mineral hot furnace of multiloop |
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| CN201811467548.1A CN109612280A (en) | 2018-12-03 | 2018-12-03 | A kind of bottomless electrode DC mineral hot furnace of multiloop |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811268A (en) * | 2020-06-16 | 2020-10-23 | 西安交通大学 | Layered combined electrode ore-smelting furnace and control method thereof |
| CN111811252A (en) * | 2020-06-16 | 2020-10-23 | 西安交通大学 | Three-phase layered combined electrode ore smelting furnace and control method thereof |
| CN113564359A (en) * | 2021-07-27 | 2021-10-29 | 中冶东方工程技术有限公司 | Manganese-silicon alloy smelting device and method |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048750A (en) * | 1989-07-11 | 1991-01-23 | 太原重型机器厂 | Arc controlled magnetic mirror direct current electric arc furnace |
| CN2153046Y (en) * | 1993-04-15 | 1994-01-12 | 唐山钢铁(集团)公司 | Device for measuring steel liquid level in container |
| CN2290839Y (en) * | 1996-11-19 | 1998-09-09 | 中国石油化工总公司抚顺石油化工研究院 | Tank gage having mobile electrical contact |
| CN2399691Y (en) * | 1999-11-22 | 2000-10-04 | 赵虎田 | Arc furnace for smelting high melting point substances |
| CN101251337A (en) * | 2008-03-20 | 2008-08-27 | 丁长桂 | Multi-loop direct-current power supply smelting ore furnace |
| CN201463505U (en) * | 2009-07-14 | 2010-05-12 | 永州市兴发电熔科技有限公司 | DC arc furnace |
| CN202582219U (en) * | 2012-04-06 | 2012-12-05 | 丁长桂 | High-power rectangular DC (Direct Current) submerged arc furnace |
| CN202955987U (en) * | 2012-11-23 | 2013-05-29 | 巧家奥鑫资源再生利用有限公司 | Direct current (DC) ore-smelting electric furnace with changeable return circuit |
| CN203258979U (en) * | 2013-03-22 | 2013-10-30 | 陕西方园冶金设备有限公司 | Direct current electric arc furnace |
| CN203561217U (en) * | 2013-11-26 | 2014-04-23 | 佛山市顺德区万缔福电器有限公司 | Multi-electrode direct current corundum smelting furnace |
| CN104198011A (en) * | 2014-09-19 | 2014-12-10 | 锡矿山闪星锑业有限责任公司 | Device and method for measuring liquid level of high-temperature melt in metallurgical furnace |
| CN105004177A (en) * | 2015-07-03 | 2015-10-28 | 河南东风新研材科技有限公司 | Single-electrode DC corundum smelting equipment |
| CN205490195U (en) * | 2016-03-25 | 2016-08-17 | 科广电子（东莞）有限公司 | Electric arc furnace is with combination diode fairing |
| CN106001528A (en) * | 2016-07-13 | 2016-10-12 | 北京麦特尔科技有限公司 | Continuous casting tundish direct-current plasma heating device using a plurality of graphite hollow bars as electrodes |
| EP3196575A1 (en) * | 2016-01-19 | 2017-07-26 | Fast Technology S.r.l. | Device for positioning at least one electrode for smelting furnaces |
-
2018
- 2018-12-03 CN CN201811467548.1A patent/CN109612280A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048750A (en) * | 1989-07-11 | 1991-01-23 | 太原重型机器厂 | Arc controlled magnetic mirror direct current electric arc furnace |
| CN2153046Y (en) * | 1993-04-15 | 1994-01-12 | 唐山钢铁(集团)公司 | Device for measuring steel liquid level in container |
| CN2290839Y (en) * | 1996-11-19 | 1998-09-09 | 中国石油化工总公司抚顺石油化工研究院 | Tank gage having mobile electrical contact |
| CN2399691Y (en) * | 1999-11-22 | 2000-10-04 | 赵虎田 | Arc furnace for smelting high melting point substances |
| CN101251337A (en) * | 2008-03-20 | 2008-08-27 | 丁长桂 | Multi-loop direct-current power supply smelting ore furnace |
| CN201463505U (en) * | 2009-07-14 | 2010-05-12 | 永州市兴发电熔科技有限公司 | DC arc furnace |
| CN202582219U (en) * | 2012-04-06 | 2012-12-05 | 丁长桂 | High-power rectangular DC (Direct Current) submerged arc furnace |
| CN202955987U (en) * | 2012-11-23 | 2013-05-29 | 巧家奥鑫资源再生利用有限公司 | Direct current (DC) ore-smelting electric furnace with changeable return circuit |
| CN203258979U (en) * | 2013-03-22 | 2013-10-30 | 陕西方园冶金设备有限公司 | Direct current electric arc furnace |
| CN203561217U (en) * | 2013-11-26 | 2014-04-23 | 佛山市顺德区万缔福电器有限公司 | Multi-electrode direct current corundum smelting furnace |
| CN104198011A (en) * | 2014-09-19 | 2014-12-10 | 锡矿山闪星锑业有限责任公司 | Device and method for measuring liquid level of high-temperature melt in metallurgical furnace |
| CN105004177A (en) * | 2015-07-03 | 2015-10-28 | 河南东风新研材科技有限公司 | Single-electrode DC corundum smelting equipment |
| EP3196575A1 (en) * | 2016-01-19 | 2017-07-26 | Fast Technology S.r.l. | Device for positioning at least one electrode for smelting furnaces |
| CN205490195U (en) * | 2016-03-25 | 2016-08-17 | 科广电子（东莞）有限公司 | Electric arc furnace is with combination diode fairing |
| CN106001528A (en) * | 2016-07-13 | 2016-10-12 | 北京麦特尔科技有限公司 | Continuous casting tundish direct-current plasma heating device using a plurality of graphite hollow bars as electrodes |
Non-Patent Citations (4)
| Title |
|---|
| JEROME FEINMAN，刘述临，金佑民: "《等离子体技术在冶金中的应用》", 31 August 1989, 北京工业大学出版社 * |
| 戴维，舒莉: "《铁合金冶金工程》", 31 May 1995, 冶金工业出版社 * |
| 杜如彬，柯象恒: "《液位检测技术》", 30 November 1987, 原子能出版社 * |
| 阎江峰，陈加希，胡亮: "《铬冶金》", 8 February 2007, 冶金工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811268A (en) * | 2020-06-16 | 2020-10-23 | 西安交通大学 | Layered combined electrode ore-smelting furnace and control method thereof |
| CN111811252A (en) * | 2020-06-16 | 2020-10-23 | 西安交通大学 | Three-phase layered combined electrode ore smelting furnace and control method thereof |
| CN111811252B (en) * | 2020-06-16 | 2021-04-27 | 西安交通大学 | Three-phase layered combined electrode ore smelting furnace and control method thereof |
| CN113564359A (en) * | 2021-07-27 | 2021-10-29 | 中冶东方工程技术有限公司 | Manganese-silicon alloy smelting device and method |
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