CN110081704A - Semi-hermetic is without fixed anode DC-ore-heating furnace - Google Patents
Semi-hermetic is without fixed anode DC-ore-heating furnace Download PDFInfo
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- CN110081704A CN110081704A CN201910512433.8A CN201910512433A CN110081704A CN 110081704 A CN110081704 A CN 110081704A CN 201910512433 A CN201910512433 A CN 201910512433A CN 110081704 A CN110081704 A CN 110081704A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 31
- 239000000498 cooling water Substances 0.000 claims abstract description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003546 flue gas Substances 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 47
- 238000003723 Smelting Methods 0.000 claims description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 10
- 239000011707 mineral Substances 0.000 claims description 10
- 241001062472 Stokellia anisodon Species 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000007670 refining Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 230000008676 import Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910001021 Ferroalloy Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000005997 Calcium carbide Substances 0.000 description 2
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
- F27B3/085—Arc furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/20—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
-
- 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
-
- 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
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/003—Extraction of waste gases, collection of fumes and hoods used therefor of waste gases emanating from an electric arc furnace
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/10—Mountings, supports, terminals or arrangements for feeding or guiding electrodes
-
- 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
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Environmental & Geological Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The present invention provides a kind of semi-hermetic without fixed anode DC-ore-heating furnace, the present invention includes: furnace body, petticoat pipe, electrode column system, charging system, furnace gas flue, power supply system, cooling water system and hydraulic system, furnace body is for accommodating furnace charge, the electrode column system is used to carry out heating fusing to furnace charge using direct-current arc, it includes cathode and anode, and its depth that can freely adjust insertion furnace charge, petticoat pipe is equipped with above the furnace shell of the furnace body, hole is opened up on the petticoat pipe, the flue gas that the furnace gas flue is used to generate in furnace charge is discharged, the present invention does not set fixed anode, cathode and anode can move up and down, and it is inserted into solid furnace charge, it is not contacted directly with high temperature solution, structure is simple, equipment is reliable for operation, failure rate is low, electrode can also be extracted furnace charge, it is convenient to overhaul.High-temperature flue gas is collected by petticoat pipe and furnace gas flue, improves working environment, high-temperature furnace gas can import the facilities secondary use such as cogeneration, raw material stoving, reduce comprehensive energy consumption.
Description
Technical field
The present invention relates to smelting equipment technical fields more particularly to a kind of semi-hermetic without fixed anode DC-ore-heating furnace.
Background technique
Traditional DC-ore-heating furnace is mostly to be powered by the way of fixed anode, i.e. cathode is upper, and anode is under, heat
Only top-down longitudinal heat transfer, the area of heat radiation is smaller, and the utilization rate of powder is low.Fixed anode be embedded in furnace lining bottom or
It in the furnace lining of side wall, is chronically in the environment of high temperature solution, fixed anode and lining durability are short, fluctuation of service, failure rate
Height, maintenance are difficult.When smelting, open arc is mostly used to smelt, electrode tip is not inserted into, and the heat of furnace charge internal loss is more, and element returns
Yield is low, and production efficiency is not high.Feed way is mostly hand stock mode, and labor intensity of workers is larger.Smelt the high temperature generated
Flue gas does not efficiently use and to smelt environment poor.
Although DC-ore-heating furnace has no reactance, power factor is high, many advantages such as direct-current arc temperature height, due to
There are still fluctuations of service for existing DC-ore-heating furnace, and failure rate is higher, and powder utilization rate is low, and comprehensive energy consumption is high, and the rate of recovery is low,
The problems such as worker laboring environment's difference and great work intensity, high-temperature flue gas does not efficiently use, so the advantage one of DC-ore-heating furnace
It is not fully played directly, there are no be widely used so far.
Mineral hot furnace equipment is improved, to give full play to the advantage of DC-ore-heating furnace, develops a kind of energy stable operation, it can
Powder is largely utilized, energy-saving and environment-friendly DC-ore-heating furnace is the current major subjects of the industries such as ferroalloy and calcium carbide, and service
In the industries such as ferroalloy and calcium carbide, the task of top priority in equipment manufacturing field.
It is limited by smelting process, still there is the alloys such as industrial silicon, ferrosilicon, high-Si aluminum cast kind to need to carry out when smelting at present
Furnace operation is smash, cannot achieve totally-enclosed production, therefore develops this semi-hermetic without fixed anode DC-ore-heating furnace, can be smelted
It is unsuitable for the ferroalloy kind of totally-enclosed smelting, is more advantageous to the popularization of direct current smelting technique.
Summary of the invention
According to technical problem set forth above, and a kind of semi-hermetic is provided without fixed anode DC-ore-heating furnace.The present invention adopts
Technological means is as follows:
A kind of semi-hermetic is without fixed anode DC-ore-heating furnace, comprising: furnace body, petticoat pipe, electrode column system, charging system, furnace
Gas flue, power supply system, cooling water system and hydraulic system, for accommodating furnace charge, the electrode column system is used for the furnace body
Heating fusing is carried out to furnace charge using direct-current arc comprising cathode and anode, and it can freely adjust insertion furnace charge
The furnace shell top of depth, the furnace body is equipped with petticoat pipe, hole is opened up on the petticoat pipe, the furnace gas flue is for producing furnace charge
Raw flue gas discharge, is connected after passing through the hole on petticoat pipe with main furnace fire door, and belljar valve is arranged in the top of the furnace gas flue,
The furnace gas fairlead for drawing high-temperature furnace gas is provided with below belljar valve, the charging system is used to be fed into furnace body,
The power supply system is used to power for electrode in system, and the cooling water system is used to provide cooling water for mechanism to be cooled, institute
Hydraulic system is stated for providing power for the power mechanism in electrode column system.
Further, the furnace body includes furnace body basis, the furnace shell and furnace lining, the furnace shell seat on the basis of furnace body,
The furnace lining is built in furnace shell, the burner hearth that furnace lining is formed after the completion of building is the place of load melting reaction in mineral hot furnace, institute
It states furnace shell side wall and is additionally provided with plug for outlet, the fused product or clinker of liquid are discharged from the plug for outlet after the reaction was completed.
Further, material is added in furnace body by charging system, and the charging system includes furnace top bin, blanking
Pipe, furnace top bin are installed on preset civil engineering platform, and furnace top bin outlet is connect with feeder pipe, and feeder pipe tail end passes through petticoat pipe
The feeder pipe hole opened up is goed deep into furnace shell, and the top of feeder pipe is equipped with the hydraulic flashboard valve for regulating and controlling mass flow.
Further, the petticoat pipe side is equipped with the inspection door for smash to furnace charge furnace and pusher operation.
Further, the electrode column system is liftable mechanism comprising electrode lifting mechanism, electrode holder press the machine of putting
Structure, electrode guiding mechanism, bottom mechanism and electrode,
The electrode lifting mechanism is installed on the default civil engineering platform on electrode column top, is used for through lifting cylinder band
Moving electrode column integrally moves up and down；
The electrode holder presses laying mechanism and is located at electrode column top, for fixing electrode and controlling its pressure with consumption of electrode
It puts；
The barrel contacts of the electrode guiding mechanism and electrode column are used for when electrode column is gone up and down, to integral elevating
Electrode column play the guiding role, and prevents electrode column from shifting；
Bottom mechanism is located at the lower part of electrode column, conducting element is built-in with, for inducing current into electrode；
The end of electrode is inserted directly into furnace charge, for electric current to be introduced directly into furnace, provides required electric energy to smelt.
Further, the power supply system includes: transformer, rectifier and secondary bus, and the input of transformer primary side is handed over
Galvanic electricity is adjusted to smelt required voltage through transformer, and Circuit Fault on Secondary Transformer is connect with rectifier, rectifier output cathode and anode
Two group interfaces are connected in the bottom mechanism of cathode and anode respectively by secondary bus, i.e. cathode interface and cathode electrode phase
Even, anode interface is connected with anode electrode, an a set of rectifier of matched transformer, and corresponding two electrodes of yin-yang form a set of confession
Electric system, every set power supply system are independently-powered.
Further, every mineral hot furnace is at least provided with a set of power supply system, when being furnished with 2 sets and 2 sets or more power supply systems, yin
The electrode of pole and anode interlaced arrangement in furnace.
Further, the cooling water system is used to be petticoat pipe, furnace gas flue, bottom mechanism, transformer, rectifier, two
Secondary bus provides cooling circulating water.
The invention has the following advantages that
1, do not set fixed anode, cathode and anode can move up and down, and be inserted into solid furnace charge, not with high temperature solution
It directly contacts, structure is simple, and equipment is reliable for operation, and failure rate is low, and electrode can also be extracted to furnace charge, convenient to overhaul；
2, cathode and anode are arranged in parallel, and by furnace bottom conduction, the existing longitudinal transmitting of thermal energy also has lateral transport, thermal energy benefit
Powder can be used with rate height and largely；
3, submerged-arc smelting, electric arc are embedded in furnace charge, and element recovery rate is high, and heat-energy losses are few；
4, top filling system is set, and feed stock for blast furnace amount needed for being controlled by hydraulic flashboard valve is not necessarily to hand stock, reduces
Labor intensity of workers, high degree of automation；
5, high-temperature flue gas is collected by petticoat pipe and furnace gas flue, improves working environment, high-temperature furnace gas can import cogeneration,
The facilities secondary use such as raw material stoving reduces comprehensive energy consumption.
The present invention can be widely popularized in smelting equipment technical field based on the above reasons.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is semi-hermetic of the present invention without fixed anode DC-ore-heating furnace schematic diagram.
Fig. 2 is the arrangement form of two sets of power supply system electrodes in the embodiment of the present invention.
Fig. 3 is the arrangement form of a set of power supply system electrode in the embodiment of the present invention
Fig. 4 is the arrangement form of three sets of power supply system electrodes in the embodiment of the present invention
Fig. 5 is the arrangement form 1 of four sets of power supply system electrodes in the embodiment of the present invention
Fig. 6 is the arrangement form 2 of four sets of power supply system electrodes in the embodiment of the present invention
1. furnace body is basic, 2. furnace shells, 3. plug for outlet, 4. furnace linings, 5. cooling water systems, 6. petticoat pipes, 7. feeder pipes, 8. furnace gases
Flue, 9. furnace top bins, 10. furnace gas fairleads, 11. belljar valves, 12. electrode lifting mechanisms, 13. electrode holders press laying mechanism,
14. electrode guiding mechanism, 15. hydraulic flashboard valves, 16. hydraulic systems, 17. transformers, 18. rectifiers, 19. secondary bus, 20
Bottom mechanism, 21 electrodes, 22 furnace charges.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Since regardless of cathode and anode, all electrodes can be gone up and down in stroke range, still in conventional AC mineral hot furnace
Current existing DC-ore-heating furnace is cathode liftable, and anode is fixed in burner hearth bottom or the furnace lining of side.Heat utilization rate
Low and anodizing speed is fast, and excessively high loss is but also financial burden aggravates.Meanwhile being limited by smelting process, at present still
There is the alloys such as industrial silicon, ferrosilicon, high-Si aluminum cast kind that need to carry out smashing furnace operation when smelting, cannot achieve totally-enclosed production, base
In this, as shown in Figure 1, the embodiment of the invention discloses a kind of semi-hermetics without fixed anode DC-ore-heating furnace, comprising: furnace body, cigarette
Cover 6, electrode column system, charging system, furnace gas flue 8, power supply system, cooling water system 5 and hydraulic system 16, the furnace body are used
In accommodating furnace charge 22, the electrode column system is used to carry out heating fusing, electrode 21 therein to furnace charge 22 using direct-current arc
Including cathode and anode, and its depth that can freely adjust insertion furnace charge 22 can also be by electrode 21 when needing to overhaul
Furnace charge 22 is extracted, it is convenient to overhaul, it is equipped with petticoat pipe 6 above the furnace shell 2 of the furnace body, opens up hole, the furnace on the petticoat pipe 6
The flue gas that gas flue 8 is used to generate in furnace charge is discharged, and is connected after passing through the hole on petticoat pipe 6 with main furnace fire door, the furnace gas
Belljar valve 11 is arranged in the top of flue 8, and the furnace gas fairlead 10 for drawing high-temperature furnace gas, institute are provided with below belljar valve 11
Charging system is stated for being fed into furnace body, the power supply system is used for as electric elements power supply, the cooling water system in system
System 5 is for providing cooling water for mechanism to be cooled, and the hydraulic system 16 for the power mechanism in electrode column system for providing
Power.
The furnace body includes furnace body basis 1, the furnace shell 2 and furnace lining 4, and the furnace shell 2 is on the basis of furnace body, in furnace shell
The furnace lining 4 is built in 2, the burner hearth that furnace lining 4 is formed after the completion of building is the place of the fusing of furnace charge 22 reaction in mineral hot furnace, described
2 side wall of furnace shell is additionally provided with plug for outlet 3, and the fused product or clinker of liquid are discharged from the plug for outlet 3 after the reaction was completed, comes out of the stove
There is the furnace eye of φ 80-100 in mouth 3, the ophthalmically acceptable fire clay of furnace is blocked when normally smelting, and furnace eye is bored with the drilling rod for machine of widening the view when coming out of the stove
It opens.
Material is added in furnace body by charging system, and the charging system includes furnace top bin 9, feeder pipe 7, furnace roof material
Storehouse 9 is installed on preset civil engineering platform, and the outlet of furnace top bin 9 is connect with feeder pipe 7, and 7 tail end of feeder pipe passes through petticoat pipe 6 and opens up
7 hole of feeder pipe go deep into furnace shell 2, feeder pipe 7 can be divided into several equally distributed branches according to practical application scene, thus
Material is delivered in furnace body evenly.
6 side of petticoat pipe is equipped with the inspection door for smash to furnace charge 22 furnace and pusher operation.
The electrode column system is liftable mechanism comprising electrode lifting mechanism 12, electrode holder press laying mechanism 13, electricity
Pole guiding mechanism 14, bottom mechanism 20 and electrode,
The electrode lifting mechanism 12 is installed on the default civil engineering platform on electrode column top, is used to pass through lifting cylinder
Electrode column is driven integrally to move up and down；Every set rise fall of electrodes system is made of 2 lifting cylinders, and the tail portion of lifting cylinder is installed on
On the default civil engineering platform on electrode column top, the head of lifting cylinder piston rod and the top of electrode column are connected, every set electrode liter
2 lifting cylinders parallel arrangement in drop system, with the movement of piston rod, the integral elevating of synchronous drive electrode column system.
The electrode holder presses laying mechanism and is located at electrode column top, by several groups clamp system, clamping cylinder and presses oil
The composition such as cylinder, disc spring built in clamp system are clamped electrode by clamp using the pretightning force of disc spring；Clamping cylinder is for overcoming
The pretightning force of disc spring unclamps clamp；It presses oil cylinder to be fixed on the sleeve on electrode column top, presses the piston rod head of oil cylinder
It is connected with clamp system, with the movement for pressing cylinder piston rod, so that clamp system and electrode press downwardly together；Pass through folder
Locking oil cylinder and the comprehensive function for providing oil cylinder, make electrode be fixed on electrode column and control it with consumption of electrode and press.Hydraulic pressure system
System 16 is electrode lifting mechanism, electrode holder presses the equipment such as laying mechanism and provides hydraulic power.
Every set electrode guiding mechanism is made of 4 leading blocks, leading block directly with the barrel contacts of electrode column,
And it is distributed in the surrounding of electrode column；In electrode column lifting, it play the guiding role to the electrode column of integral elevating, prevents electrode column from sending out
Raw offset.
Bottom mechanism is located at the lower part of electrode column, is made of protective case, base ring and conducting element etc., conducting element and electrode
It directly contacts, conducting element is built-in to pre-tighten disc spring, and pretightning force contacts conducting element with electrode more closely, preferably by electric current
Iontophoresis electrode；Protective case and base ring are located at the outside and bottom of conducting element, to conduction in the environment of high temperature and dust
Element plays a certain protective role.
The end of electrode is inserted directly into furnace charge 22, for electric current to be introduced directly into furnace, provides required electric energy to smelt.
The power supply system includes: transformer 17, rectifier 18 and secondary bus 19,17 primary side input AC of transformer
Electricity is adjusted to smelt required voltage through transformer 17, and 17 secondary side of transformer is connect with rectifier 18,18 output cathode of rectifier
With two group interface of anode, be connected in the bottom mechanism 20 of cathode and anode by secondary bus 19 respectively, i.e., cathode interface with
Cathode electrode is connected, and anode interface is connected with anode electrode, and a transformer 17 matches a set of rectifier 18, corresponding two electricity of yin-yang
Pole, forms a set of power supply system, and every set power supply system is independently-powered.
Every mineral hot furnace is at least provided with a set of power supply system, when being furnished with 2 sets and 2 sets or more power supply systems, cathode and anode
Electrode in furnace interlaced arrangement.
The cooling water system 5 is used to be petticoat pipe 6, furnace gas flue 8, bottom mechanism 20, transformer 17, rectifier 18, two
Secondary bus 19 provides cooling circulating water.Cooling water system 5 is made of water dispenser and circulating water line, and water dispenser separates several
Pipeline, the equipment to that need to cool down is sent by pipeline, then send into the return flume of water dispenser by water return pipeline respectively.
Specific embodiment:
The raw material prepared according to a certain percentage, can by modes such as belt feeder, batch can vehicle, charger, liftings, by raw material plus
Enter in furnace top bin 9, then added raw materials into furnace by feeder pipe 7, the amount of feed stock for blast furnace can be controlled by hydraulic flashboard valve 15
System.Furnace top bin 9, the quantity of feeder pipe 7 and hydraulic flashboard valve 15 and position can size according to the type of furnace and specific smelting processes
It is reasonably arranged in pairs or groups and is arranged.
17 primary side input AC electricity of transformer, is first adjusted to smelt required voltage, then rectified device 18 through transformer 17
It is rectified into direct current, exports the interface at yin-yang the two poles of the earth, cathode is connected with cathode electrode, and anode is connected with anode electrode.One change
Depressor matches a set of rectifier, and corresponding two electrodes of yin-yang form a set of power supply system.Every mineral hot furnace can be equipped with 1 set or more
Power supply system is covered, if this mineral hot furnace is furnished with 2 sets and 2 sets or more power supply systems, the electrode 21 of cathode and anode should be in furnace
Interlaced arrangement.Referring to Fig. 2-Fig. 6.
The diversified forms such as self-baking electrode, graphite electrode, hollow electrode can be used in electrode 21；Furnace charge 22 is inserted into 21 end of electrode
It is interior, submerged-arc smelting is carried out, heating fusing is carried out to furnace charge 22 using direct-current arc, after the reactions such as reduction, electrolysis occur in furnace,
Qualified liquid form product is generated, the product or slag of liquid are flowed out by plug for outlet 3.Electrode 21 can be according to the need of operating procedure
It asks, carries out integral elevating using electrode lifting mechanism 12.Electrode 21 go up and down during, have electrode guiding mechanism 14 to its into
Row guiding role prevents electrode 21 from deviating.With consumption of the electrode 21 in furnace, mechanism 13 is pressed using clamping, electrode is carried out
It presses.The electrode column system of cathode and anode is being structurally and functionally the same, lifting, the clamping of achievable electrode 21
The functions such as press and be oriented to.
Petticoat pipe 6 is used to collect the high-temperature flue gas of reaction in furnace generation, and due to being in hot environment, petticoat pipe 6 is water-cooling structure,
The high temperature in furnace can be completely cut off simultaneously, improve the working environment in workshop.Worker can be by the inspection door on petticoat pipe 6 in furnace
Charge level is handled.
Since the temperature of furnace gas is higher, can be generated electricity using its waste heat, raw material stoving etc..The high temperature cigarette that petticoat pipe 6 is collected
Gas is exported by furnace gas flue 8, is sent by furnace gas fairlead to waste heat utilization facility, the furnace gas after utilization using cleaner at
Qualified discharge after reason.Belljar valve 11 is normally off, is only opened under emergency episode state.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of semi-hermetic is without fixed anode DC-ore-heating furnace characterized by comprising furnace body, electrode column system, adds petticoat pipe
Material system, furnace gas flue, power supply system, cooling water system and hydraulic system, the furnace body is for accommodating furnace charge, the electrode column
System is used to using direct-current arc carry out heating fusing to furnace charge comprising cathode and anode, and its can freely adjust it is slotting
Enter the depth of furnace charge, petticoat pipe is equipped with above the furnace shell of the furnace body, opens up hole on the petticoat pipe, the furnace gas flue is used for
The flue gas discharge that furnace charge is generated, is connected after passing through the hole on petticoat pipe with main furnace fire door, the top of the furnace gas flue is set
Belljar valve is set, the furnace gas fairlead for drawing high-temperature furnace gas is provided with below belljar valve, the charging system is used for furnace
It is fed in body, the power supply system is used to power for electrode in system, and the cooling water system for mechanism to be cooled for providing
Cooling water, the hydraulic system are used to provide power for the power mechanism in electrode column system.
2. semi-hermetic according to claim 1 is without fixed anode DC-ore-heating furnace, which is characterized in that the furnace body includes furnace
Body basis, the furnace shell and furnace lining, the furnace shell seat build the furnace lining on the basis of furnace body in furnace shell, and furnace lining has been built
Burner hearth at rear formation is the place of load melting reaction in mineral hot furnace, and the furnace shell side wall is additionally provided with plug for outlet, and reaction is completed
The fused product or clinker of liquid are discharged from the plug for outlet afterwards.
3. semi-hermetic according to claim 1 is without fixed anode DC-ore-heating furnace, which is characterized in that material passes through charging system
System is added in furnace body, and the charging system includes furnace top bin, feeder pipe, and furnace top bin is installed on preset civil engineering platform
On, furnace top bin outlet is connect with feeder pipe, and feeder pipe tail end, which passes through the feeder pipe hole that petticoat pipe opens up, to be goed deep into furnace shell, feeder pipe
It is equipped with the hydraulic flashboard valve for regulating and controlling mass flow.
4. semi-hermetic according to claim 1 is without fixed anode DC-ore-heating furnace, which is characterized in that the petticoat pipe side is set
There is the inspection door for smash to furnace charge furnace and pusher operation.
5. semi-hermetic according to claim 1 is without fixed anode DC-ore-heating furnace, which is characterized in that the electrode column system
For liftable mechanism comprising electrode lifting mechanism, electrode holder press laying mechanism, electrode guiding mechanism, bottom mechanism and electrode,
The electrode lifting mechanism is installed on the default civil engineering platform on electrode column top, is used to drive electricity by lifting cylinder
Pole integrally moves up and down；
The electrode holder presses laying mechanism and is located at electrode column top, presses for fixing electrode and controlling it with consumption of electrode；
The barrel contacts of the electrode guiding mechanism and electrode column are used for when electrode column is gone up and down, to the electrode of integral elevating
Column play the guiding role, and prevents electrode column from shifting；
Bottom mechanism is located at the lower part of electrode column, conducting element is built-in with, for inducing current into electrode；
The end of electrode is inserted directly into furnace charge, for electric current to be introduced directly into furnace, provides required electric energy to smelt.
6. described in any item semi-hermetics are without fixed anode DC-ore-heating furnace according to claim 1~5, which is characterized in that described
Power supply system includes: transformer, rectifier and secondary bus, and transformer primary side input AC electricity is adjusted to smelting through transformer
Voltage needed for refining, Circuit Fault on Secondary Transformer are connect with rectifier, two group interface of rectifier output cathode and anode, respectively by secondary
Bus is connected in the bottom mechanism of cathode and anode, i.e. cathode interface is connected with cathode electrode, anode interface and anode electrode
It is connected, an a set of rectifier of matched transformer, corresponding two electrodes of yin-yang form a set of power supply system, every set power supply system is only
Vertical power supply.
7. semi-hermetic according to claim 6 is without fixed anode DC-ore-heating furnace, which is characterized in that every mineral hot furnace is at least
Equipped with a set of power supply system, when being furnished with 2 sets and 2 sets or more power supply systems, the electrode of cathode and anode interlaced arrangement in furnace.
8. semi-hermetic according to claim 6 is without fixed anode DC-ore-heating furnace, which is characterized in that the cooling water system
For providing cooling circulating water for petticoat pipe, furnace gas flue, bottom mechanism, transformer, rectifier, secondary bus.
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| CN201910512433.8A CN110081704A (en) | 2019-06-13 | 2019-06-13 | Semi-hermetic is without fixed anode DC-ore-heating furnace |
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| CN201910512433.8A CN110081704A (en) | 2019-06-13 | 2019-06-13 | Semi-hermetic is without fixed anode DC-ore-heating furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111961801A (en) * | 2020-08-25 | 2020-11-20 | 贵州金源锰业有限公司 | Ferroalloy high-power complete technology linkage direct current electric furnace |
| CN112880402A (en) * | 2021-02-18 | 2021-06-01 | 大连理工大学 | Four-electrode direct-current magnesium melting furnace and use method thereof |
| CN113587658A (en) * | 2021-08-02 | 2021-11-02 | 江苏积力环保科技有限公司 | Submerged arc furnace |
| CN114353510A (en) * | 2021-09-23 | 2022-04-15 | 贵州金源锰业股份有限公司 | High-power multi-loop direct-current electrode submerged arc furnace system |
| CN115289832A (en) * | 2022-07-27 | 2022-11-04 | 阿拉善盟星大铁合金有限公司 | Energy-saving and environment-friendly direct-current electric smelting submerged arc furnace |
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