CN207646260U - Vanadium titano-magnetite processing unit - Google Patents
Vanadium titano-magnetite processing unit Download PDFInfo
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- CN207646260U CN207646260U CN201721695206.6U CN201721695206U CN207646260U CN 207646260 U CN207646260 U CN 207646260U CN 201721695206 U CN201721695206 U CN 201721695206U CN 207646260 U CN207646260 U CN 207646260U
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Abstract
The utility model provides a kind of vanadium titano-magnetite processing unit, including：Rotary kiln, the reaction chamber for carrying out prereduction to vanadium titano-magnetite is defined in rotary kiln, and rotary kiln is equipped with feed inlet from raw material to rotary kiln, the sand export for calcining to be discharged and the gas outlet for releasing flue gas for adding；Coal powder injection device, coal powder injection device, which is located on rotary kiln, sprays fuel into reaction chamber；Electric furnace, electric furnace are used to carry out melting to calcining, and electric furnace is equipped with sand inlet, slag notch, tapping hole and outlet flue, and sand inlet is discharged from slag notch and tapping hole respectively for calcining, the titanium slag and vanadium-bearing hot metal of electro-smelting to be added, and flue gas is released from outlet flue in electric furnace；Converter, converter are used to blow to vanadium-bearing hot metal, and converter is equipped with charge door, slag tap and drain hole, and charge door for the vanadium-bearing hot metal released from tapping hole to be added, release from slag tap and drain hole respectively by the vanadium slag and half steel for bessemerizing generation.The device flow is short, and low energy consumption, and pollution is small, at low cost.
Description
Technical field
The utility model is related to metallurgical technology field, more particularly to a kind of vanadium titano-magnetite processing unit.
Background technology
V-ti magnetite ore resources are main mineral resources in world's vanadium and titanium resources, currently, the master of processing vanadium titano-magnetite
There are the process units such as blast furnace process, rotary hearth furnace and rotary kiln-electric furnace smelting.Wherein, the flow of blast furnace smelting process device
It is long, require mine high, high energy consumption, gained titanium slag titanium grade low；Compared with blast furnace process, rotary hearth furnace process handles vanadium titano-magnetite
Has the features such as flow is short, environmental pollution is small, but rotary hearth furnace process is not easy to realize large-scale industry due to its equipment self problem
Metaplasia is produced, and industrial applications are restricted.
Currently, having enterprise uses " rotary kiln-electric furnace " process vanadium titano-magnetite, wherein the technique having is being turned round
Increase multilayer shaft furnace before kiln and pre-process mineral, using " multilayer shaft furnace-rotary kiln adverse current " two-stage roasting process high-quality sea
The calcining degree of metalization of shore placer, acquisition reaches 80%, which increases multilayer shaft furnace before mineral enter rotary kiln and locate in advance
Reason increases process equipment, and investment is big, cost and high energy consumption；Also have using fair current rotary kiln technology processing vanadium titano-magnetite essence
Mine, flue gas and material use fair current during rotary kiln handles vanadium titano-magnetite, need to be incorporated four kinds of mixing such as dolomite, silica
Object, calcining degree of metalization are 45%, and the process energy consumption is high, and calcining degree of metalization is low.Therefore, a kind of process unit how is designed
Less, the small process unit of small investment, pollution further increases the technical merit of v-bearing titanomagnetite smelting industry as a needs
It solves the problems, such as.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem at least to a certain extent.
For this purpose, the utility model provides the vanadium titano-magnetite processing unit that a kind of flow is short, low energy consumption and pollution is small.
According to the vanadium titano-magnetite processing unit of the utility model embodiment, including：Rotary kiln, the rotary kiln is interior to be limited
It is useful for carrying out vanadium titano-magnetite the reaction chamber of prereduction, the rotary kiln is equipped with for raw material to be added to the rotary kiln
Feed inlet, the sand export for calcining to be discharged and for by the rotary kiln flue gas release gas outlet；Coal powder injection device, institute
It states coal powder injection device and is located on the rotary kiln and burnt with spraying fuel into the reaction chamber；Electric furnace, the electric furnace are used for
Reduction melting is carried out to the calcining, the electric furnace is equipped with sand inlet, slag notch, tapping hole and outlet flue, and the sand inlet is used
In the calcining that addition is discharged from the sand export, the titanium slag and vanadium-bearing hot metal of the electro-smelting are respectively from the slag notch
It is discharged with the tapping hole, the flue gas in the electric furnace is released from the outlet flue；Converter, the converter are used to contain vanadium to described
Molten iron blows, and the converter is equipped with charge door, slag tap and drain hole, and the charge door is for being added from the tapping hole
The vanadium-bearing hot metal released, the vanadium slag for bessemerizing generation and half steel are put from the slag tap and the drain hole respectively
Go out.
According to the vanadium titano-magnetite processing unit of the utility model embodiment, by the rational design to its process unit,
So that after vanadium titano-magnetite concentrate is smelted by rotary kiln, electric furnace and converter process device, the high roasting of degree of metalization can be obtained
Sand obtains high-grade vanadium slag and half steel, lays the foundation for the following process of two kinds of elements of iron and vanadium, the appliance arrangement structure letter
Single, technological process is short, can reduce energy consumption, reduce environmental pollution, and reduces cost of investment and production cost.
One embodiment according to the present utility model, the feed inlet are located at the kiln tail of the rotary kiln, the sand export
It is located at the kiln hood of the rotary kiln, the raw material turns to the kiln hood of the rotary kiln from the kiln tail of the rotary kiln.
One embodiment according to the present utility model, the gas outlet are located at the kiln tail of the rotary kiln, the rotary kiln
In flue gas it is opposite with the flow direction of the material in the rotary kiln.
One embodiment according to the present utility model, the coal powder injection device are mounted on the kiln hood of the rotary kiln, the coal powder injection
Device is blown beans as fuel from the kiln hood of the rotary kiln to the rotary kiln.
One embodiment according to the present utility model, the vanadium titano-magnetite processing unit further include：Inlet duct, it is described
Inlet duct is mounted on the kiln body of the rotary kiln, and the inlet duct is blown from the kiln body of the rotary kiln to the rotary kiln
Air carries out combustion-supporting.
One embodiment according to the present utility model, the vanadium titano-magnetite processing unit further include：The hot rotary device of calcining,
The sand export of the hot rotary device of calcining and the rotary kiln coordinates to contain and transport the roasting being discharged from the sand export
Sand.
One embodiment according to the present utility model, the hot rotary device of calcining are transhipment tank, the import of the transhipment tank
Coordinate the calcining released with sand export described in access with the sand export of the rotary kiln.
One embodiment according to the present utility model, the sand inlet are located at the top of the electric furnace, the sand inlet with
The outlet cooperation of the transhipment tank by the calcining in the transhipment tank to be added the electric furnace.
One embodiment according to the present utility model, the vanadium titano-magnetite processing unit further include：First fume treatment
System, first smoke processing system include the first combustion furnace and the first dust-precipitator, first combustion furnace and the revolution
The gas outlet connection of kiln is burnt with the flue gas that the gas outlet is discharged, and first dust-precipitator is respectively with described the
One combustion furnace is connected with the rotary kiln, and first dust-precipitator collects the flue dust in first combustion furnace and by the flue dust
It is transferred into the rotary kiln.
One embodiment according to the present utility model, the vanadium titano-magnetite processing unit further include：Second fume treatment
System, second smoke processing system include the second combustion furnace and the second dust-precipitator, second combustion furnace and the electric furnace
Outlet flue connection burnt with the flue gas that the outlet flue is discharged, second dust-precipitator is respectively with described second
Combustion furnace is connected with the electric furnace, and second dust-precipitator collects the flue dust in second combustion furnace and is transferred to the flue dust
To in the electric furnace.
Description of the drawings
Fig. 1 is the equipment connection diagram of the vanadium titano-magnetite processing unit of the utility model embodiment；
Fig. 2 is that the flow of the method for the vanadium titano-magnetite processing unit processing vanadium titano-magnetite of the utility model embodiment is shown
It is intended to；
Fig. 3 is the technique stream that the vanadium titano-magnetite processing unit of the utility model embodiment handles the method for vanadium titano-magnetite
Journey schematic diagram.
Reference numeral：
Vanadium titano-magnetite processing unit 100；
Rotary kiln 10；Reaction chamber 11；Feed inlet 12；Sand export 13；Gas outlet 14；
Coal powder injection device 20；
Electric furnace 30；Sand inlet 31；Slag notch 32；Tapping hole 33；
Outlet flue 34；Cinder ladle vehicle 35；Ladle 36；
Converter 40；Charge door 41；Slag tap 42；Drain hole 43；
Inlet duct 50；
The hot rotary device of calcining 60；
First smoke processing system 70；First combustion furnace 71；First dust-precipitator 72；
Second smoke processing system 80；Second combustion furnace 81；Second dust-precipitator 82.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "center", "upper", "lower", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise " is side based on ... shown in the drawings
Position or position relationship, are merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device
Or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second " are used for description purposes only, be not understood to indicate or imply relative importance or
Person implicitly indicates the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or hidden
Include one or more this feature containing ground.In the description of the present invention, the meaning of " plurality " is two or two with
On, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
The vanadium titano-magnetite processing unit 100 according to the utility model embodiment is specifically described below in conjunction with the accompanying drawings.
As shown in Figure 1, including rotary kiln 10, spray according to the vanadium titano-magnetite processing unit 100 of the utility model embodiment
Coal device 20, electric furnace 30 and converter 40.
Specifically, the reaction chamber 11 for carrying out prereduction to vanadium titano-magnetite is defined in rotary kiln 10, revolution
Kiln 10 is equipped with the feed inlet 12 for raw material to be added to rotary kiln 10, the sand export 13 for calcining to be discharged and is used for rotary kiln
The gas outlet 14 that flue gas in 10 is released, coal powder injection device 20 is located on rotary kiln 10 to be fired with spraying fuel into reaction chamber 11
It burns, electric furnace 30 is used to carry out reduction melting to calcining, and electric furnace 30 is equipped with sand inlet 31, slag notch 32, tapping hole 33 and outlet flue
34, sand inlet 31 is for being added the calcining being discharged from sand export 13, and the titanium slag and vanadium-bearing hot metal of 30 melting of electric furnace are respectively from slagging tap
Mouth 32 and tapping hole 33 are discharged, and the flue gas in electric furnace 30 is released from outlet flue 34, and converter 40 is used to blow to vanadium-bearing hot metal,
Converter 40 is equipped with charge door 41, slag tap 42 and drain hole 43, charge door 41 be used to be added released from tapping hole 33 containing vanadium iron
Water, the vanadium slag and half steel that the blowing of converter 40 generates are released from slag tap 42 and drain hole 43 respectively.
That is, vanadium titano-magnetite processing unit 100 is mainly by rotary kiln 10, coal powder injection device 20, electric furnace 30 and converter 40
It constitutes.Wherein, reaction chamber 11 is defined in rotary kiln 10, the manufacture material of rotary kiln 10 can be selected rationally as needed
It selects, the material of rotary kiln 10 should be capable of withstanding high temperature, and the size of reaction chamber 11 can also need to rationally design according to production, vanadium titanium
Magnetic iron ore carries out prereduction in reaction chamber 11, can be respectively arranged in the suitable position on rotary kiln 10 and reaction chamber
Feed inlet 12, sand export 13 and the gas outlet 14 of 11 connections, feed inlet 12 can be used for that raw material is added into rotary kiln 10, shake out
Mouth 13 can be used for that calcining is discharged, and storage can and sand export 13 can be used to dock so that the calcining being discharged from sand export 13 is contained
In storage can, gas outlet 14 can be used for by rotary kiln 10 rotary kiln flue gas discharge, gas outlet 14 can with it is follow-up
The air inlet of smoke processing system in technique is connected to, and to which rotary kiln flue gas is directly entered smoke processing system, reduces cigarette
The leakage and pollution of gas can install coal powder injection device 20 in the suitable position on rotary kiln 10, and coal powder injection device 20 may be mounted at revolution
The kiln hood of kiln 10 can spray fuel into reaction chamber 11 from kiln hood by coal powder injection device 20 and burn.
Electric furnace 30 can be used for carrying out reduction melting to the calcining obtained in rotary kiln 10, can be suitable on electric furnace 30
Position is respectively equipped with sand inlet 31, slag notch 32, tapping hole 33 and outlet flue 34, and sand inlet 31 can be used for adding into electric furnace 30
Enter the calcining being discharged from sand export 13, slag notch 32 can be used for being discharged the titanium slag of 30 melting of electric furnace, can be contained in titanium slag
In cinder ladle vehicle 35, the vanadium-bearing hot metal that tapping hole 33 can be used for being discharged in electric furnace 30, tapping hole 33 can be docked with ladle 36,
Ladle 36 is enable to contain and transport vanadium-bearing hot metal, the electric furnace flue gas that outlet flue 34 can be used for being discharged in electric furnace 30 goes out
Mouth 34 can be connected to the air inlet of the smoke processing system in subsequent technique, to which electric furnace flue gas to be directly entered at flue gas
Reason system reduces the leakage and pollution of flue gas.
Converter 40 can be used for blowing to the vanadium-bearing hot metal being discharged from the tapping hole 33 of electric furnace 30, can be in converter
Suitable position on 40 is respectively equipped with charge door 41, slag tap 42 and drain hole 43, and charge door 41 can be used for being added from tapping a blast furnace
The vanadium-bearing hot metals that mouth 33 is released can be contained and be transported vanadium-bearing hot metal by ladle 36 and then add from the charge door 41 of converter 40
Enter, the vanadium slag that the blowing of converter 40 generates is discharged from slag tap 42, and the half steel that the blowing of converter 40 generates is discharged from drain hole 43.
As a result, according to the vanadium titano-magnetite processing unit 100 of the utility model embodiment, pass through the conjunction to its process unit
Reason design so that after vanadium titano-magnetite concentrate is smelted by rotary kiln 10, electric furnace 30 and 40 process unit of converter, gold can be obtained
Belong to the high calcining of rate, obtain high-grade vanadium slag and half steel, lays the foundation for the following process of two kinds of elements of iron and vanadium, the dress
Install standby simple in structure, technological process is short, can reduce energy consumption, reduce environmental pollution, and reduces cost of investment and is produced into
This.
The kiln tail in rotary kiln 10, sand export 13 can be arranged in one embodiment according to the present utility model, feed inlet 12
It can be located at the kiln hood of rotary kiln 10, vanadium titano-magnetite raw material can be added from the feed inlet 12 of 10 kiln tail of rotary kiln, turn round
Reduction reaction is carried out in the reaction chamber 11 of kiln 10, vanadium titano-magnetite gradually rotates during reacting reduction to rotary kiln 10
Kiln hood, generating calcining and rotary kiln flue gas, calcining after vanadium titano-magnetite reaction can be from the sand export 13 of 10 kiln hood of rotary kiln
Place releases, and rotary kiln flue gas is discharged from the gas outlet 14 on rotary kiln 10.
In some embodiments of the utility model, the gas outlet 14 on rotary kiln 10 can be located at the kiln of rotary kiln 10
Tail, vanadium titano-magnetite raw material turn to the sand export 13 of 10 kiln hood of rotary kiln, vanadium from the charging of the feed inlet 12 of 10 kiln tail of rotary kiln
Titanomagnetite raw material is from the kiln tail of rotary kiln 10 to the flow direction of kiln hood, and the kiln tail that gas outlet 14 is located at rotary kiln 10 can
So that rotary kiln flue gas is discharged from kiln tail, rotary kiln flue gas flows to kiln tail from kiln hood so that the flue gas in rotary kiln 10 and revolution
The flow direction of material in kiln 10 is on the contrary, the flue gas in rotary kiln 10 and raw material reverse flow, under the strong disturbance of flue gas stream
It enables to raw material more to disperse, promotes the progress of mass-and heat-transfer, be conducive to reduction reaction of the raw material in rotary kiln 10.
In other embodiments of the utility model, coal powder injection device 20 may be mounted at the kiln hood of rotary kiln 10, coal powder injection device
20 can be blown beans as fuel from the kiln hood of rotary kiln 10 to rotary kiln 10, and the beans that coal powder injection device 20 is blown is rotary kiln 10
Heat supply, keep rotary kiln 10 in the required temperature of reaction, grain burning of coal will produce a large amount of carbon monoxide with flue gas with
Material adverse current, carbon monoxide can further combustion heat release, improve among kiln body and the temperature at rear portion, ensure reaction smoothly into
Row, imperfect combustion beans are produced by the sand export 13 of 10 kiln hood of rotary kiln with material, continue to release during producing
Carbon monoxide provides reducing atmosphere for high temperature reduction section.
Some specific embodiments according to the present utility model, vanadium titano-magnetite processing unit 100 further include inlet duct 50,
It is mainly used for spraying combustion adjuvant into rotary kiln 10, inlet duct 50 may be mounted at the kiln body of rotary kiln 10, inlet duct 50
Combustion-supporting, beans and the aerial oxygen work of carbon monoxide can be carried out from the kiln body of rotary kiln 10 to 10 blows air of rotary kiln
With lower combustion heat release, kiln body centre and rear part temperature are improved, ensures the temperature with rear portion among the kiln body of rotary kiln 10.
Optionally, vanadium titano-magnetite processing unit 100 further includes the hot rotary device 60 of calcining, the hot rotary device 60 of calcining and revolution
The sand export 13 of kiln 10 coordinates to contain and transport the calcining being discharged from sand export 13, it is preferable that the hot rotary device 60 of calcining is to turn
Tank is transported, the import for transporting tank and the sand export 13 of rotary kiln 10 coordinate the calcining released with access sand export 13.
That is, vanadium titano-magnetite processing unit 100 can also include the hot rotary device 60 of calcining, it is mainly used for transporting
The calcining of 10 output of rotary kiln, when the calcining in rotary kiln 10 is released from the sand export 13 of rotary kiln 10, the hot rotary device of calcining
60 can coordinate with the sand export 13 of rotary kiln 10, and calcining is contained in the hot rotary device of calcining 60, is then transported to calcining
In electric furnace 30, the hot rotary device of calcining 60 should have preferable heat-insulating property, contain and transhipment is answered convenient and efficient, reduce calcining to the greatest extent
Heat scatters and disappears so that calcining does not need heat temperature raising when being reacted in entering electric furnace 30 and can be reacted quickly, reduces combustion
The waste of material improves efficiency of energy utilization.The hot rotary device of calcining 60 can be transhipment tank, can be equipped in the outside of transhipment tank
Thermal insulation material reduces calcining heat loss in containing transport process, transports the top of tank and can be equipped with the import of charging, transhipment
The lower part of tank can be equipped with the outlet of discharging, and the import for transporting tank and the sand export 13 of rotary kiln 10 coordinate with access sand export 13
The calcining of releasing, may then pass through transfer car(buggy) or crane by transport tank go at electric furnace 30, will transport tank in calcining from
The sand inlet 31 of electric furnace 30 is added.
In some specific embodiments of the utility model, the sand inlet 31 of electric furnace 30 can be arranged in the upper of electric furnace 30
Portion is convenient for the addition of calcining, sand inlet 31 that can be connected to the outlet cooperation of transhipment tank lower part, then play the outlet for transporting tank
It opens calcining and electric furnace 30 is added directly from sand inlet 31 under the effect of gravity, charging is convenient and efficient.
In other embodiments of the utility model, vanadium titano-magnetite processing unit 100 can also include the first flue gas
Processing system 70, the first smoke processing system 70 are mainly made of the first combustion furnace 71 and the first dust-precipitator 72, the first combustion furnace
71 can be connected to the gas outlet 14 of rotary kiln 10, and the rotary kiln flue gas being discharged from the gas outlet 14 in rotary kiln 10 can be direct
It burns into the first combustion furnace 71, burner exhaust heat can be used for generating electricity or heat supply, will produce cigarette after rotary kiln smoke combustion
Dirt and pollution gas containing sulfide and nitrogen oxides, discharge after being handled, can install the first dust-precipitator again
72, the first dust-precipitator 72 can be connected with the first combustion furnace 71 and rotary kiln 10 respectively, the import and first of the first dust-precipitator 72
The outlet of combustion furnace 71 avoids flue dust from leaking, the flue dust of collection convenient for collecting the flue dust generated after rotary kiln smoke combustion
It is transferred into rotary kiln 10 after being mixed with vanadium titano-magnetite, the sulfur compound and nitrogen oxidation generated after rotary kiln smoke combustion
The pollution gas of object is vented after being handled by system for desulfuration and denitration.
Other specific embodiments according to the present utility model, vanadium titano-magnetite processing unit 100 can also include second
Smoke processing system 80, the second smoke processing system 80 are mainly made of the second combustion furnace 81 and the second dust-precipitator 82, the second combustion
Burning stove 81 can be connected to the outlet flue 34 of electric furnace 30, and the electric furnace flue gas being discharged from the outlet flue 34 of electric furnace 30 can be directly entered
Second combustion furnace 81 burns, and burner exhaust heat can be used for generating electricity or heat supply, will produce flue dust after electric furnace flue gas burning and contains
The pollution gas for having sulfide and nitrogen oxides, is discharged again after being handled, and can install the second dust-precipitator 82, and second
The import of dust-precipitator 82 can avoid flue dust from leaking, electricity can be added in the flue dust of collection with the outlet of the second combustion furnace 81
In stove 30, the pollution gas of the sulfur compound and nitrogen oxides that are generated after electric furnace flue gas burning can pass through system for desulfuration and denitration
It is vented after processing.
According to the vanadium titano-magnetite processing unit 100 of the utility model embodiment, pass through rationally setting to its process unit
Meter so that after vanadium titano-magnetite concentrate is smelted by rotary kiln 10, electric furnace 30 and 40 process unit of converter, can be metallized
The high calcining of rate, obtains high-grade vanadium slag and half steel, lays the foundation for the following process of two kinds of elements of iron and vanadium, which sets
Standby simple in structure, technological process is short, can reduce energy consumption, reduce environmental pollution, and reduces cost of investment and production cost.
According to other compositions of the device of the utility model embodiment and operate for those of ordinary skill in the art
For be all known, be not detailed herein.
The processing method of vanadium titano-magnetite processing unit 100 is described in detail with reference to Fig. 2 and Fig. 3.
As shown in Figures 2 and 3, vanadium titanium magnetic is handled according to the vanadium titano-magnetite processing unit 100 of the utility model embodiment
The method of iron ore, includes the following steps：
S1, progress mine choosing rough to vanadium titano-magnetite, obtain vanadium titano-magnetite concentrate；
S2, be directly added into rotary kiln 10 after mixing vanadium titano-magnetite concentrate with coal and carry out prereduction, obtain calcining and
Rotary kiln flue gas；
S3, it calcining is transferred in electric furnace 30 carries out reduction melting, obtain vanadium-bearing hot metal, titanium slag and electric furnace flue gas；
S4, vanadium-bearing hot metal is transferred in converter 40 and is blown, obtain vanadium slag and half steel.
In step sl, due to minerogentic condition difference, the content of the iron of the vanadium titano-magnetite in each mining area, titanium and vanadium has very big
Difference, and because of the washability of the titanomagnetite in each mining area difference, the content of iron, titanium and vanadium in the v-ti magnetite concentrate produced
Also there is a very big difference, for Iron grade between 10%-40%, this vanadium titano-magnetite iron content is not high in general tcrude ore, therefore,
V-ti magnetite ore that should be low to Iron grade before being smelted carries out mine choosing, and the high vanadium titanium of Iron grade is obtained after mine choosing enrichment
Magnetite concentrate needs further after beneficiation enrichment, obtains v-ti magnetite concentrate, vanadium titanium magnetic can be combined during mine is selected
The characteristics of iron ore, selects suitable mine to select technique, by crushing, ore grinding, screening, gravity treatment, magnetoelectricity choosing or the modes such as flotation by vanadium titanium
The suitable concentrate of granularity is obtained after magnetic iron ore processing.
In step s 2, processing is dried in the vanadium titano-magnetite concentrate obtained in step S1, the concentrate of acquisition passes through
It is pre- multihearth can not be had to directly out of rotary kiln 10 is added in the feed inlet 12 of rotary kiln 10 reaction chamber 11 after drying process
Heat and pelletizing shorten technological process, and the mode and equipment of concentrate drying processing can be real according to the processing quantity of concentrate and production
Border situation reasonably selects, and will be mixed according to certain weight ratio with coal dust after vanadium titano-magnetite concentrate drying, vanadium titano-magnetite
The mixed proportion of concentrate and coal dust can as needed and the practical reasonable selection of subsequent production, and coal dust can be in pre-reduction
Reduction is played, vanadium titano-magnetite concentrate is directly added into after being sufficiently mixed uniformly with coal dust in rotary kiln 10, full and uniform mixed
Conjunction is conducive to heat and mass, is conducive to the progress of prereduction reaction so that the reaction process in entire rotary kiln 10 is stablized.
When carrying out prereduction in rotary kiln 10, the temperature and vanadium titano-magnetite concentrate in rotary kiln 10 are in rotary kiln 10
The time of reduction has a major impact the prereduction of vanadium titano-magnetite, reduction that can be according to vanadium titano-magnetite in rotary kiln 10
Temperature in rotary kiln 10 is divided into different temperature ranges by process, meanwhile, it is also contemplated that the time of prereduction, the recovery time is too
It is short that prereduction can be caused insufficient, subsequent smelting is impacted, difficulty is brought for the smelting of subsequent technique, as the time increases
Reduction effect improves, but when the recovery time increase to after a certain period of time on reduction effect influence it is not notable, increased input is brought
Lower productivity effect can increase production cost, therefore, should select suitable temperature and time.
Vanadium titano-magnetite concentrate, which is directly added into after being mixed with coal in rotary kiln 10, carries out prereduction, from coal powder injection device when prereduction
20 into rotary kiln 10 be blown beans as fuel, combustion-supporting, the pre-reduction from inlet duct 50 to 10 blows air of rotary kiln
In will produce calcining and rotary kiln flue gas, the calcining generated in prereduction can be discharged from the sand export 13 of rotary kiln 10, generate
Calcining in contain higher metal, common metal rate can be that subsequent smelting process lay the foundation, roast 60% or so
Sand can be contained in the hot rotary device of calcining 60, and calcining is transported in electric furnace 30 by calcining hot rotary device 60, and calcining can be with
It is added in electric furnace 30 from the sand inlet 31 of electric furnace 30.
The rotary kiln flue gas generated in reduction process can be discharged from the gas outlet of rotary kiln 10 14, and rotary kiln flue gas can
To be handled by 70 second-time burning of the first smoke processing system, rotary kiln flue gas is direct after being discharged from the gas outlet of rotary kiln 10 14
Into burning in the first combustion furnace 71, the heat for generation of burning can generate electricity or heat supply etc., and the flue dust for generation of burning can lead to
It crosses after the first dust-precipitator 72 recycles again and vanadium titano-magnetite concentrate is added together in rotary kiln 10, improve energy utilization rate, drop
Low environment pollutes.
In step s3, by the calcining obtained in step S2 by the hot rotary device 60 of calcining by calcining from electric furnace 30 into sand
Mouthfuls 31 are added reduction melting in electric furnaces 30, and the hot rotary device of calcining 60 can rationally design, can utilize the transhipment of transhipment tank then plus
Enter in electric furnace 30, need not be reheated in electric furnace 30 in this way, so that it is added in electric furnace 30 and can be carried out reduction melting quickly,
The hot rotary device of calcining 60 can reduce calcining heat loss, reduce waste of fuel, improve fuel availability.Calcining is in electric furnace 30
When carrying out drastic reduction melting, it can be incorporated suitable slag former as needed, further detached conducive to titanium slag is formed, calcining is also
Molten iron, titanium slag and electric furnace flue gas containing vanadium are generated after former melting, and the molten iron containing vanadium is released from the tapping hole 33 of electric furnace 30, is contained
The molten iron of vanadium is put into ladle 36, titanium slag is contained in from the releasing of the slag notch 32 of electric furnace 30 in cinder ladle vehicle 35, in electric furnace 30
Electric furnace flue gas can be discharged from the outlet flue 34 of electric furnace 30, electric furnace flue gas can pass through the second smoke processing system 80 carry out two
Secondary burning processing, electric furnace flue gas, which is directly entered in the second combustion furnace 81, to burn, and burner exhaust heat can be used for generating electricity or heat supply, burning
Flue dust afterwards rejoins after being recycled by the second dust-precipitator 82 in electric furnace 30 so that metallic element is fully returned
It receives, increases energy utilization rate, reduce environmental pollution.
In step s 4, the vanadium-bearing hot metal obtained in step S3 is put into ladle 36, vanadium will be contained by ladle 36
Molten iron is transferred in converter 40 and blows, and vanadium-bearing hot metal can be by transporting 41 turns of the charge door of tank or ladle 36 from converter 40
It is added in converter 40, the blowing by converter 40 can obtain high-grade vanadium slag and half steel, for after two kinds of elements of iron and vanadium
Continuous processing lays the foundation, and vanadium slag can be released from the slag tap 42 of converter 40, and half steel can be released from the drain hole 43 of converter 40.
According to the method that the vanadium titano-magnetite processing unit 100 of the utility model embodiment handles vanadium titano-magnetite, pass through
Vanadium titano-magnetite concentrate is obtained to the mine choosing processing of vanadium titano-magnetite, vanadium titano-magnetite concentrate is by 10 prereduction of rotary kiln, electricity
The smelting process that 30 reduction melting of stove and converter 40 are blown, the calcining degree of metalization which obtains is high, iron and vanadium in titanium slag
Content is low, and valuable metal element is fully used, and obtains high-grade vanadium slag and half steel, is the follow-up of two kinds of elements of iron and vanadium
Processing lays the foundation, and this method can shorten technological process, reduces energy consumption, reduces environmental pollution, reduce cost of investment and
Production cost.
In some embodiments of the utility model, since the tcrude ore of vanadium titano-magnetite is rough, the grade of ore is low,
The rough middle Iron grade of vanadium titano-magnetite is generally 10%-40%, therefore, Iron grade is coped with before rough entrance rotary kiln 10 is smelted
Low v-ti magnetite ore carries out mine choosing, and the high vanadium titano-magnetite concentrate of Iron grade, v-ti magnetite are obtained after mine choosing enrichment
In mine concentrate then the concentrate of acquisition is added in rotary kiln 10 between 30%-60% and carries out prereduction by Iron grade.
In other embodiments of the utility model, first vanadium titano-magnetite concentrate is dried, it then will be after drying
Vanadium titano-magnetite concentrate and coal be directly added into after mixing in rotary kiln 10 and carry out prereduction, obtain calcining and rotary kiln cigarette
Gas.Wherein, the weight of coal is the 30%-60% of vanadium titano-magnetite concentrate weight, the ratio shared by the addition of coal and vanadium titanium magnetic
The taste of iron ore concentrate and other technological parameters are related, should select the ratio to match with other technological parameters.
Some specific embodiments according to the present utility model, by vanadium titano-magnetite concentrate and coal be added rotary kiln 10 carry out it is pre-
During reduction, the granularity of vanadium titano-magnetite concentrate and coal also has prereduction certain influence, therefore, vanadium titano-magnetite concentrate
It should be reasonably selected with the granularity of coal, the granularity of vanadium titano-magnetite concentrate can be less than or equal to 5mm, the granularity of coal can be less than or equal to
20mm, specific granule size can be selected according to actual conditions.
In the implementation process of some embodiments of the utility model, by vanadium titano-magnetite concentrate and coal be added rotary kiln 10 into
During row prereduction, the temperature of prereduction and recovery time are mostly important influence factors, and temperature and time is directly determined
Determine the calcining generated after prereduction, is improved by multiple production technology optimization, comprehensive other influences factor and production technology item
Part, the pre-reduction temperature of vanadium titano-magnetite concentrate is 1100 DEG C -1300 DEG C in rotary kiln 10, pre-reduction time 2h-7h, pre-
In reduction process, temperature and time is two important correlative factors, and the selection of temperature and time should be mutually matched, at some
Specific reduction temperature selects its corresponding suitable recovery time after determining, to be obtained after 10 prereduction of rotary kiln
The higher calcining of degree of metalization provides good condition for drastic reduction of the calcining in subsequent technique in electric furnace 30.
Some embodiments according to the present utility model, vanadium titano-magnetite concentrate carry out the process of prereduction in rotary kiln 10
In, air-breathing can be added as fuel, and in the spray of the kiln body of rotary kiln 10 in the injection from kiln head beans of rotary kiln 10.It is specific real
During applying, coal powder injection device 20 can be installed in the kiln hood of rotary kiln 10, being blown beans into rotary kiln 10 by coal powder injection device 20 is
10 heat supply of rotary kiln, beans combustion heat supplying when generate a large amount of carbon monoxide, carbon monoxide with flue gas and material adverse current,
The flow direction of carbon monoxide and flue gas and material on the contrary, flue gas flowing to be added rotary kiln 10 in vanadium titano-magnetite concentrate
It is disturbed, fully dispersed can be contacted with coal, the mass-and heat-transfer being conducive in reduction process.It can be in the kiln of rotary kiln 10
Body installs inlet duct 50, is sprayed into rotary kiln 10 by inlet duct 50 plus rotary kiln 10 is added in air, carbon monoxide and spray
Air in oxygen combustion heat release, improve among 10 kiln body of rotary kiln and the temperature at rear portion, imperfect combustion beans with
Material is produced by the sand export 13 of 10 kiln hood of rotary kiln, and the process of producing continues to release carbon monoxide and provided also for high temperature reduction section
Originality atmosphere.
In some specific embodiments of the utility model, vanadium titano-magnetite concentrate carries out prereduction in rotary kiln 10
A large amount of rotary kiln flue gas is will produce in the process, from rotary kiln flue gas needs to carry out after being discharged from the gas outlet 14 on rotary kiln 10
Rotary kiln flue gas, can be carried out second-time burning recovery waste heat by reason, and waste heat can be used for generating electricity, can also be used to heat supply, turn round
Rotary kiln secondary flue gas and rotary kiln flue dust, rotary kiln flue dust are generated after kiln smoke combustion to be returned by the first dust-precipitator 72
It receives, then rotary kiln flue dust is returned in rotary kiln 10 so that the metal in flue dust is fully recycled, meanwhile, avoid ring
Border is polluted, and rotary kiln secondary flue gas can be vented after the process such as desulphurization denitration, to avoid sulfide or nitrogen oxidation
Pollution of the object to environment.
Some embodiments according to the present utility model, vanadium titano-magnetite concentrate generate after carrying out prereduction in rotary kiln 10
Calcining, calcining are released from the sand export 13 on rotary kiln 10, and calcining is passed through hot 60 hot-loading and hot-conveying of rotary device of calcining to electric furnace 30
Middle carry out reduction melting can transport calcining by transporting tank hot charging heat, first be put into calcining in transhipment tank from sand export 13, then
Calcining is transported to electric furnace 30 and progress drastic reduction melting in electric furnace 30 is added, hot-loading and hot-conveying can reduce dissipating for calcining heat
It loses, reduces the waste of the energy, improve the utilization ratio of bunker coal.Calcining obtains containing vanadium iron after reduction melting process in electric furnace 30
Slag former can be added in water, titanium slag and electric furnace flue gas, calcining in electric furnace 30 during reduction melting, be conducive to the formation of titanium slag,
To release it from the slag notch 32 of electric furnace 30, the type and quantity of slag former can be reasonable according to actual production process conditions
Selection, can select lime stone as slag former, slagging with Lime stone effect is good, at low cost.Calcining reduction melting in electric furnace 30
The vanadium-bearing hot metal obtained after process can be transported in converter 40 by ladle 36 and be blown, obtain high-grade vanadium slag and
Half steel lays the foundation for the following process of two kinds of elements of iron and vanadium.
In some embodiments of the utility model, calcining will produce electric furnace flue gas in electric furnace 30 after reduction melting, electricity
Kiln gas can carry out electric furnace flue gas second-time burning recovery waste heat after being discharged in electric furnace 30, and waste heat can be used for generating electricity,
It can be used for heat supply, electric furnace secondary flue gas and electric furnace dust are generated after electric furnace flue gas burning, electric furnace dust can be received by second
Dirt device 82 recycles, and then again returns in electric furnace 30 electric furnace dust and re-uses, electric furnace secondary flue gas can be handled with desulphurization denitration
After be vented, avoid polluting the environment, improve the utilization ratio of the energy.
According to the method that the vanadium titano-magnetite processing unit 100 of the utility model embodiment handles vanadium titano-magnetite, pass through
Vanadium titano-magnetite concentrate is obtained to the mine choosing processing of vanadium titano-magnetite, vanadium titano-magnetite concentrate is by 10 prereduction of rotary kiln, electricity
The smelting process that 30 reduction melting of stove and converter 40 are blown, obtains high-grade vanadium slag and half steel, is two kinds of elements of vanadium and iron
Following process lays the foundation, and the calcining degree of metalization which obtains is high, and the content of iron and vanadium is low in titanium slag, valuable metal element
Be fully used, this method can shorten technological process, reduce energy consumption, reduce environmental pollution, reduce cost of investment and
Production cost.
The utility model vanadium titano-magnetite processing unit 100, which is described, with reference to specific embodiment handles vanadium titano-magnetite
Method.
Embodiment 1
The vanadium titano-magnetite for taking middle Iron grade to be 12% is rough, and the vanadium titano-magnetite essence that Iron grade is 32% is obtained after mine choosing
Mine；It is directly added into after vanadium titano-magnetite concentrate is mixed with coal in rotary kiln 10 and carries out prereduction, the weight of coal is v-ti magnetite
The 30% of mine concentrate weight, the granularity of vanadium titano-magnetite concentrate is 4.2mm, the granularity of coal is 14.7mm, is gone back in advance in rotary kiln 10
Former temperature is 1100 DEG C, and the time of prereduction is 7.0h, in pre-reduction, is made in the injection from kiln head beans of rotary kiln 10
For fuel, and the flow direction and object of the carbon monoxide and flue gas generated in the spray of the kiln body of rotary kiln 10 plus air-breathing, beans burning
The flow direction of material is on the contrary, finally, obtain calcining and the rotary kiln flue gas that degree of metalization is 61.1%；By rotary kiln flue gas from rotary kiln
10 discharges carry out second-time burning recovery waste heat and generate electricity, and rotary kiln secondary flue gas and rotary kiln are generated after rotary kiln smoke combustion
Flue dust returns in rotary kiln 10 after rotary kiln fume recovery, is vented after the processing of rotary kiln secondary flue gas desulphurization denitration；By acquisition
Reduction melting is carried out in calcining hot-loading and hot-conveying to electric furnace 30, and lime stone is added during reduction melting, is obtained titanium slag, is contained vanadium
Molten iron and electric furnace flue gas, in titanium slag iron content be 1.7%, content of vanadium 0.14%, vanadium-bearing hot metal is transferred in converter 40 and is carried out
Blowing, obtains high-grade vanadium slag and half steel；Electric furnace flue gas is discharged from electric furnace 30 and carries out second-time burning recovery waste heat power generation, electricity
Electric furnace secondary flue gas and electric furnace dust are generated after kiln gas burning, recycles electric furnace dust, electric furnace dust returns in electric furnace 30, electric furnace
It is vented after secondary flue gas processing.
According to the vanadium titano-magnetite processing method of the utility model above-described embodiment, at the mine choosing to vanadium titano-magnetite
Reason obtains vanadium titano-magnetite concentrate, and vanadium titano-magnetite concentrate passes through 10 prereduction of rotary kiln, 30 reduction melting of electric furnace and converter 40
The smelting process of blowing obtains high-grade vanadium slag and half steel, and the following process for two kinds of elements of vanadium and iron provides basis, the party
The calcining degree of metalization that method obtains is high, and the content of iron and vanadium is low in titanium slag, and valuable metal element is fully used, this method energy
Enough shorten technological process, reduce energy consumption, reduce environmental pollution, reduces cost of investment and production cost.
Embodiment 2
The vanadium titano-magnetite for taking middle Iron grade to be 27% is rough, and the vanadium titano-magnetite essence that Iron grade is 43% is obtained after mine choosing
Mine；It is directly added into after vanadium titano-magnetite concentrate is mixed with coal in rotary kiln 10 and carries out prereduction, the weight of coal is v-ti magnetite
The 40% of mine concentrate weight, the granularity of vanadium titano-magnetite concentrate is 4.7mm, the granularity of coal is 15.9mm, is gone back in advance in rotary kiln 10
Former temperature is 1200 DEG C, and the time of prereduction is 5.1h, in pre-reduction, is made in the injection from kiln head beans of rotary kiln 10
For fuel, in the flow direction and material of carbon monoxide and flue gas that the spray of 10 kiln body of rotary kiln plus air-breathing, beans burning generate
Flow direction is on the contrary, finally, obtain calcining and the rotary kiln flue gas that degree of metalization is 63.4%；By rotary kiln flue gas from 10 row of rotary kiln
Go out to carry out second-time burning recovery waste heat, reduction melting will be carried out in the calcining hot-loading and hot-conveying to electric furnace 30 of acquisition, and molten in reduction
Lime stone is added during refining, obtains titanium slag, vanadium-bearing hot metal and electric furnace flue gas, iron content is 1.3% in titanium slag, content of vanadium is
0.17%, vanadium-bearing hot metal is transferred in converter 40 and is blown, high-grade vanadium slag and half steel are obtained；By electric furnace flue gas from electric furnace
30 discharges carry out second-time burning recovery waste heat, generate electric furnace secondary flue gas and electric furnace dust after electric furnace flue gas burning, recycle electric furnace
Flue dust, electric furnace dust return in electric furnace 30, are vented after the processing of electric furnace secondary flue gas.
According to the vanadium titano-magnetite processing method of the utility model above-described embodiment, at the mine choosing to vanadium titano-magnetite
Reason obtains vanadium titano-magnetite concentrate, and vanadium titano-magnetite concentrate passes through 10 prereduction of rotary kiln, 30 reduction melting of electric furnace and converter 40
The smelting process of blowing obtains high-grade vanadium slag and half steel, and the following process for two kinds of elements of vanadium and iron provides basis, the party
The calcining degree of metalization that method obtains is high, and the content of iron and vanadium is low in titanium slag, and this method can shorten technological process, reduces production energy
Consumption, reduces environmental pollution.
Embodiment 3
The vanadium titano-magnetite for taking middle Iron grade to be 38% is rough, and the vanadium titano-magnetite essence that Iron grade is 59% is obtained after mine choosing
The granularity of mine, vanadium titano-magnetite concentrate is 3.6mm；Directly add after vanadium titano-magnetite concentrate is mixed with the coal that granularity is 18.8mm
Enter and carry out prereduction in rotary kiln 10, the weight of coal is the 60% of vanadium titano-magnetite concentrate weight, prereduction in rotary kiln 10
Temperature is 1300 DEG C, and the time of prereduction is 2.0h, and in pre-reduction, combustion is used as in the injection from kiln head beans of rotary kiln 10
Material, and the flow direction and material of the carbon monoxide and flue gas generated in the spray of the kiln body of rotary kiln 10 plus air-breathing, beans burning
Flow direction is on the contrary, finally, obtain calcining and the rotary kiln flue gas that degree of metalization is 65.4%；By rotary kiln flue gas from 10 row of rotary kiln
Go out to carry out second-time burning recovery waste heat and carry out heat supply, reduction melting will be carried out in the calcining hot-loading and hot-conveying to electric furnace 30 of acquisition, and
Lime stone is added during reduction melting, obtains titanium slag, vanadium-bearing hot metal and electric furnace flue gas, iron content is 1.8%, vanadium in titanium slag
Content is 0.16%, and vanadium-bearing hot metal is transferred in converter 40 and is blown, and obtains high-grade vanadium slag and half steel；By electric furnace flue gas
It is discharged from electric furnace 30 and carries out second-time burning recovery waste heat heat supply, electric furnace secondary flue gas and electric furnace cigarette are generated after electric furnace flue gas burning
Dirt recycles electric furnace dust, and electric furnace dust returns in electric furnace 30, is vented after the processing of electric furnace secondary flue gas.
According to the vanadium titano-magnetite processing method of the utility model above-described embodiment, at the mine choosing to vanadium titano-magnetite
Reason obtains vanadium titano-magnetite concentrate, and vanadium titano-magnetite concentrate passes through 10 prereduction of rotary kiln, 30 reduction melting of electric furnace and converter 40
The smelting process of blowing, the calcining degree of metalization that this method obtains is high, and the grade of vanadium slag and half steel is high, is two kinds of elements of vanadium and iron
Following process basis is provided, the content of iron and vanadium is low in titanium slag, and this method can shorten technological process, reduces energy consumption,
It reduces environmental pollution.
Embodiment 4
The vanadium titano-magnetite for taking middle Iron grade to be 31% is rough, and acquisition Iron grade is 48% after mine choosing, granularity is 4.6mm's
Vanadium titano-magnetite concentrate；It is directly added into after vanadium titano-magnetite concentrate is mixed with coal in rotary kiln 10 and carries out prereduction, the weight of coal
Amount is the 50% of vanadium titano-magnetite concentrate weight, and the granularity of coal is 17.6mm, and the temperature of prereduction is 1240 DEG C in rotary kiln 10,
The time of prereduction is 3.6h, in pre-reduction, rotary kiln 10 injection from kiln head beans as fuel, and in rotary kiln
10 kiln body spray plus air-breathing, the flow direction of carbon monoxide and flue gas and the flow direction of material that beans burning generates on the contrary, last,
Obtain calcining and the rotary kiln flue gas that degree of metalization is 62.6%；Rotary kiln flue gas is discharged from rotary kiln 10 and carries out second-time burning
Recovery waste heat generates electricity, and rotary kiln secondary flue gas and rotary kiln flue dust are generated after rotary kiln smoke combustion, and rotary kiln flue dust returns
It returns in rotary kiln 10 after receipts, is vented after the processing of rotary kiln secondary flue gas desulphurization denitration；By the calcining hot-loading and hot-conveying of acquisition to electricity
Reduction melting is carried out in stove 30, and lime stone is added during reduction melting, obtains titanium slag, vanadium-bearing hot metal and electric furnace flue gas,
In titanium slag iron content be 1.4%, content of vanadium 0.15%, vanadium-bearing hot metal is transferred in converter 40 and is blown, high-grade is obtained
Vanadium slag and half steel；Electric furnace flue gas is discharged from electric furnace 30 and carries out second-time burning recovery waste heat power generation, is produced after electric furnace flue gas burning
Raw electric furnace secondary flue gas and electric furnace dust recycle electric furnace dust, and electric furnace dust returns in electric furnace 30, after the processing of electric furnace secondary flue gas
Emptying.
According to the vanadium titano-magnetite processing method of the utility model above-described embodiment, at the mine choosing to vanadium titano-magnetite
Reason obtains vanadium titano-magnetite concentrate, and vanadium titano-magnetite concentrate passes through 10 prereduction of rotary kiln, 30 reduction melting of electric furnace and converter 40
The smelting process of blowing, the calcining degree of metalization which obtains is high, can obtain high-grade vanadium slag and half steel, is vanadium and iron
The following process of two kinds of elements provides basis, and the content of iron and vanadium is low in titanium slag, and the technological process is short, and low energy consumption, and pollution is small.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and
Modification.
Claims (10)
1. a kind of vanadium titano-magnetite processing unit, which is characterized in that including：
Rotary kiln defines the reaction chamber for carrying out prereduction to vanadium titano-magnetite, the rotary kiln in the rotary kiln
Equipped with for the feed inlet of raw material, the sand export for calcining to be discharged to be added to the rotary kiln and for will be in the rotary kiln
Flue gas release gas outlet；
Coal powder injection device, the coal powder injection device is located on the rotary kiln to be burnt with spraying fuel into the reaction chamber；
Electric furnace, the electric furnace are used to carry out reduction melting to the calcining, and the electric furnace is equipped with sand inlet, slag notch, tapping hole
And outlet flue, the sand inlet titanium slag of the electro-smelting and contain for being added the calcining being discharged from the sand export
Vanadium-containing molten iron is discharged from the slag notch and the tapping hole respectively, and the flue gas in the electric furnace is released from the outlet flue；
Converter, for blowing to the vanadium-bearing hot metal, the converter is equipped with charge door, slag tap and blowing for the converter
Mouthful, the charge door for being added the vanadium-bearing hot metal released from the tapping hole, the vanadium slag for bessemerizing generation with
Half steel is released from the slag tap and the drain hole respectively.
2. vanadium titano-magnetite processing unit according to claim 1, which is characterized in that the feed inlet is located at the revolution
The kiln tail of kiln, the sand export are located at the kiln hood of the rotary kiln, and the raw material turns to described from the kiln tail of the rotary kiln
The kiln hood of rotary kiln.
3. vanadium titano-magnetite processing unit according to claim 1, which is characterized in that the gas outlet is located at the revolution
The kiln tail of kiln, the flue gas in the rotary kiln are opposite with the flow direction of the material in the rotary kiln.
4. vanadium titano-magnetite processing unit according to claim 1, which is characterized in that the coal powder injection device is mounted on described return
The kiln hood of rotary kiln, the coal powder injection device are blown beans as fuel from the kiln hood of the rotary kiln to the rotary kiln.
5. vanadium titano-magnetite processing unit according to claim 1, which is characterized in that further include：Inlet duct, it is described into
Device of air is mounted on the kiln body of the rotary kiln, and the inlet duct is blown empty from the kiln body of the rotary kiln to the rotary kiln
Gas carries out combustion-supporting.
6. vanadium titano-magnetite processing unit according to claim 1, which is characterized in that further include：The hot rotary device of calcining, institute
It states the hot rotary device of calcining and the sand export of the rotary kiln coordinates to contain and transport the calcining being discharged from the sand export.
7. vanadium titano-magnetite processing unit according to claim 6, which is characterized in that the hot rotary device of calcining is transhipment
Tank, the import of the transhipment tank and the sand export of the rotary kiln coordinate the calcining released with sand export described in access.
8. vanadium titano-magnetite processing unit according to claim 7, which is characterized in that the sand inlet is located at the electric furnace
Top, the outlet of the sand inlet and the transhipment tank coordinates so that the electric furnace is added in the calcining in the transhipment tank.
9. vanadium titano-magnetite processing unit according to claim 1, which is characterized in that further include：First fume treatment system
System, first smoke processing system include the first combustion furnace and the first dust-precipitator, first combustion furnace and the rotary kiln
Gas outlet connection burnt with the flue gas that the gas outlet is discharged, first dust-precipitator is respectively with described first
Combustion furnace is connected with the rotary kiln, and first dust-precipitator collects the flue dust in first combustion furnace and turns the flue dust
Enter into the rotary kiln.
10. vanadium titano-magnetite processing unit according to claim 1, which is characterized in that further include：Second fume treatment system
System, second smoke processing system include the second combustion furnace and the second dust-precipitator, second combustion furnace and the electric furnace
The outlet flue connection is burnt with the flue gas that the outlet flue is discharged, and second dust-precipitator is fired with described second respectively
Burn stove be connected with the electric furnace, second dust-precipitator collect the flue dust in second combustion furnace and by the flue dust be transferred to
In the electric furnace.
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