CN108359762B - Vanadium-titanium magnetite reduction device and vanadium titano-magnetite processing unit (plant) - Google Patents
Vanadium-titanium magnetite reduction device and vanadium titano-magnetite processing unit (plant) Download PDFInfo
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- CN108359762B CN108359762B CN201810156304.5A CN201810156304A CN108359762B CN 108359762 B CN108359762 B CN 108359762B CN 201810156304 A CN201810156304 A CN 201810156304A CN 108359762 B CN108359762 B CN 108359762B
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C21B13/023—Making spongy iron or liquid steel, by direct processes in shaft furnaces wherein iron or steel is obtained in a molten state
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/006—Starting from ores containing non ferrous metallic oxides
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention provides a kind of vanadium-titanium magnetite reduction device and vanadium titano-magnetite processing unit (plant)s, reduction apparatus includes reduction unit, the reduction unit includes reduction shaft furnace, feed inlet, discharge port, air inlet and the exhaust outlet that the reduction shaft furnace has furnace chamber and is connected to the furnace chamber, pelletizing enter in the reduction shaft furnace from from the feed inlet.Processing unit (plant) includes the reduction apparatus.The processing preparation manipulation of vanadium titano-magnetite is convenient and reliable, and the product value being prepared is high, and the utilization rate of raw material is high.
Description
Technical field
The present invention relates to minerals acquisition technique field, in particular to a kind of vanadium-titanium magnetite reduction device and
Vanadium titano-magnetite processing unit (plant).
Background technique
China is steel big producer, and China mainland crude steel yield in 2015 is 8.04 hundred million tons, Zhan Quanqiu total output
49.5%.But the steel industry unreasonable structure in China, iron steel is than high, electric steel ratio is small, the special rolling shapes in part
Import is also needed, process for making is based on the long process of blast furnace ironmaking-pneumatic steelmaking, and energy consumption is big, high production cost,
Deficiency in economic performance, is increasingly not suitable with the development of industry, and steel equipment suffers exit successively.
Current direct reduced iron technology has obtained faster development in smelting industry, obtains more universal application, mesh
Smelting furnace used in preceding direct reduced iron technology is tunnel oven, rotary hearth furnace etc..But tunnel oven, rotary hearth furnace are due to lacking in structure
It falls into, there is also some problems in use, it may be assumed that single production line output is small, productivity is low, seriously polluted and direct-reduction
Iron grade is low etc..
Gas-based shaft kiln directly reduced technology has obtained mature application in foreign countries as main non-blast furnace ironmaking technology, has
Low energy consumption, two highly energy-consumings of sintering, coking for being related to without blast furnace ironmaking, high pollution process, has that process is short, energy-saving and emission-reduction
Effect clear superiority is to improve steel products structure, improves steel products quality, realizes the important production technology that cleaning is smelted.
Existing gas-based shaft kiln reducing iron ore, using the green-ball after drying as raw material.
Inventor has found under study for action, at least has the following disadvantages: in traditional vanadium titano-magnetite process
Reaction effect in traditional vanadium titano-magnetite oxidation-reduction process between vanadium titano-magnetite and reducing gas is poor, mentions
Take rate low.
Summary of the invention
The purpose of the present invention is to provide a kind of vanadium-titanium magnetite reduction devices, to improve traditional vanadium titano-magnetite processing
The problem that reducing power is weak, recovery rate is low in the process.
The purpose of the present invention is to provide a kind of vanadium titano-magnetite processing unit (plant)s, to improve traditional vanadium titano-magnetite processing
The problem that reducing power is weak, recovery rate is low in the process.
The embodiment of the present invention is achieved in that
Based on above-mentioned first purpose, the present invention provides a kind of vanadium-titanium magnetite reduction devices, comprising:
Reduction unit, the reduction unit include reduction shaft furnace, and the reduction shaft furnace has furnace chamber, on the reduction shaft furnace
It is provided with feed inlet, discharge port, air inlet and exhaust outlet, described in the feed inlet, discharge port, air inlet and exhaust outlet are connected to
Furnace chamber, pelletizing can enter in the reduction shaft furnace from the feed inlet.
In preferred embodiments of the present invention, bell is provided at the top of the reduction shaft furnace, the feed inlet setting exists
On the bell.
In preferred embodiments of the present invention, the reduction shaft furnace is column structure, and the feed inlet, exhaust outlet are respectively provided with
At the top of the reduction shaft furnace, the air inlet, the discharge port are arranged on the furnace wall of the reduction shaft furnace.
In preferred embodiments of the present invention, bell, the feed inlet, exhaust outlet are installed at the top of the reduction shaft furnace
It is arranged on the bell, loading hopper is installed, the loading hopper is connected to the feed inlet, the baking on the bell
Dry chamber is connected to by conveying mechanism with the loading hopper.
In preferred embodiments of the present invention, the reduction shaft furnace feed inlet is located at the medium position of the bell；It is described
Guide part is installed in reduction shaft furnace, the guide part has a guiding conical surface, the guide part perpendicular to wherein axis direction
Section outer profile it is rounded, the guide part along its axis direction have the first guide end and the second guide end, the guiding
The outer diameter of part is gradually increased along wherein axis direction from the first guide end to the second guide end, and first guide end is described in
The inner wall of feed inlet setting, the guiding conical surface and the reduction shaft furnace forms circular passage, the feed inlet and the discharging
Mouth is connected to by the circular passage.
In preferred embodiments of the present invention, it is provided with guiding bump on the guide part, between the guiding bump
Every being distributed on the guiding conical surface.
In preferred embodiments of the present invention, guiding flanging is installed at second guide end, the guiding flanging is in
The height of ring-type, the first edge that the guiding flanging is connect with the guide part is less than the guiding flanging far from the guiding
The height of the second edge of part.
In preferred embodiments of the present invention, annular guide plate, the annular are installed on the peripheral wall of the reduction shaft furnace
The inner ring surface of guide plate is circular conical surface, and the internal diameter of the annular guide plate is along wherein axis direction by close to the reduction vertical furnace roof
The one end in portion is gradually reduced to the other end, forms blanking channel between the annular guide plate and the guide part.
In preferred embodiments of the present invention, the first blow vent and the second blow vent are provided on the reduction shaft furnace,
The first steam line is communicated at first blow vent, first steam line extends in detour shape, second ventilation
The second steam line is communicated at mouthful, and second steam line is in the extension of detour shape, first ventilation pipe and described the
Two ventilation pipes are located in the reduction shaft furnace.
Based on above-mentioned second purpose, the present invention provides a kind of vanadium titano-magnetite processing unit (plant)s, including above-mentioned vanadium titanium magnetic
Iron ore reduction device.
The beneficial effect of the embodiment of the present invention is:
In conclusion the embodiment of the invention provides a kind of vanadium-titanium magnetite reduction device, it is simple and reasonable, it is convenient for
Manufacture processing, installation with it is easy to use, meanwhile, pelletizing be made in vanadium titano-magnetite be placed in reduction shaft furnace and carry out reduction reaction
When, using coke-stove gas as reducing agent, vanadium titano-magnetite is restored in reduction shaft furnace.Reduction of the V-ti Bearing Magnetite Pellets in shaft furnace
Process is entirely to carry out under solid conditions, this process only realizes the reduction of ferriferous oxide, and intermediate products are direct reduced iron
With rich titanium gangue, reducing power is strong, improves the utilization rate of raw material.It is specific as follows:
Vanadium-titanium magnetite reduction device provided in this embodiment includes reduction unit, charging of the pelletizing from reduction shaft furnace
It is put at mouthful, meanwhile, using air inlet towards the reducing gas (coke-stove gas) for being passed through high temperature in reduction shaft furnace, in reduction shaft furnace
Vanadium titano-magnetite and reducing gas come into full contact with carry out redox reaction, vanadium titano-magnetite first preheats in shaft furnace, dries, by
Step reduction softens and melts in shaft furnace lower part, and rich vanadium-containing molten iron and Ti-enriched slag are discharged in shaft furnace bottom and separate；Coke-oven coal after preheating
Gas a part sprays into burning in shaft furnace bottom together with high temperature air, increases shaft furnace temperature further, heat fusing slag and
Molten iron keeps slag iron separation more thorough；High-temperature area of the coke-stove gas in the middle part of shaft furnace after heating sprays into, and CH4 is decomposed in furnace
H2 and CO, coke-stove gas rise in shaft furnace out, with pelletizing countercurrent movement, constantly heating and reduction V-ti Bearing Magnetite Pellets.It should
V-ti magnetite process equipment realizes that V-Ti-magnetite is smelted, produces direct motion, reduce cost, valuable metal sufficiently recycles, product
Added value is high, and enterprise can obtain fairly high profit.Novel technique, which meets, promotes social economy's Transformation of Increase Manner, the industrial structure
The trend of the great strategy demand towards the country of adjustment and national discipline development synthesization, may advantageously facilitate China's v-ti magnetite ore resources
Using scientific research and the promotion of industry integral level, push technical progress of industry, change resources advantage into technology and economic advantages.
Vanadium titano-magnetite processing unit (plant) provided in this embodiment includes above-mentioned reduction apparatus, with above-mentioned reduction apparatus
All advantages.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the flow chart in the vanadium-titanium magnetite reduction device application process of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the vanadium-titanium magnetite reduction device of the embodiment of the present invention；
Fig. 3 is the partial enlargement diagram in this Fig. 2；
Fig. 4 is the schematic top plan view of the guide part of the vanadium-titanium magnetite reduction device of the embodiment of the present invention.
Icon: 100- dosing；200- drying unit；300- pelletizing manufacturing cell；400- reduction unit；
410- reduction shaft furnace；The first blow vent of 411-；The second blow vent of 412-；413- feed inlet；414- discharge port；420- is led
To part；421- through-hole；422- mounting bar；423- is oriented to bump；424- is oriented to flanging；430- annular guide plate；
440- bell；450- loading hopper；500- separative unit.
Specific embodiment
Reaction effect in traditional vanadium titano-magnetite oxidation-reduction process between vanadium titano-magnetite and reducing gas is poor, also
Proper energy power is poor, and recovery rate is low.
In consideration of it, inventor devises a kind of vanadium-titanium magnetite reduction device and vanadium titano-magnetite processing unit (plant), by vanadium
Titanomagnetite be made pelletizing be placed in reduction shaft furnace carry out reduction reaction when, using coke-stove gas as reducing agent, in reduction shaft furnace
Vanadium titano-magnetite is restored, makes slag iron separation in furnace melting to divide, for rich, high temperature vanadium-containing molten iron directly for Foundry Production, Ti-enriched slag is used for titanium white
Powder production.Reduction process of the V-ti Bearing Magnetite Pellets in shaft furnace is entirely to carry out under solid conditions, this process is only realized
The reduction of ferriferous oxide, intermediate products are direct reduced iron and rich titanium gangue.Molten point process only carries out simple slag iron separation, nothing
Slag former must be added, the vanadium in slag can be restored further into molten iron under reducing atmosphere, and titanium is deposited in the form of simple oxide
It is in Ti-enriched slag, further extracts and processing will be very easy.
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.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" is base
In orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Embodiment
Fig. 1-Fig. 4 is please referred to, the embodiment of the invention provides a kind of vanadium-titanium magnetite reduction devices, including dosing
100, drying unit 200, pelletizing manufacturing cell 300, reduction unit 400 and separative unit 500.
Dosing 100 includes proportioning room, and proportioning room can be metal can, such as cylinder of steel, steel and alloy tank, can be circle
Shape tank or rectangular tank are equipped with mixing component in the bottom of proportioning room, and mixing component can be motor and provide power, and driving is stirred
Axis rotation is mixed, realizes the stirring of raw material.Raw material includes vanadium titano-magnetite, catalyst and binder, and catalyst is using existing
Material, for example, it is burnt, and binder can use water.Proportioning room is provided with material outlet, and hopper is equipped at material outlet, material
Bucket is delivered at drying unit 200 by conveyer belt.
Drying unit 200 includes drying room, and heating component is equipped in drying room, and drying room is defeated from proportioning room for accepting
The raw material sent out, drying room can be brick wall and pile up to be formed, and insulating layer can be arranged outside the wall of drying room, in drying room
Wall on heating component is installed, heating component can be heating tube, and it is heating lamp that hot water or heating tube are passed through in heating tube
Pipe.Heating tube extends in non-linear shape, and the heat dissipation area of heating tube is big, can carry out quickly and effectively to the raw material in drying room
Drying.Optionally, heating tube is in that detour shape extends along its length.
Raw material after pelletizing manufacturing cell 300 is used to dry is manufactured into pelletizing, and just there is existing skill in pelletizing manufacturing cell 300
Art, optionally, pelletizing are cold bound pellet.
Reduction unit 400 includes reduction shaft furnace 410, guide part 420, annular guide plate 430 and bell 440.Reduction vertical
Furnace 410 has furnace chamber and the feed inlet 413, discharge port 414, air inlet and the exhaust outlet that are connected to the furnace chamber, and pelletizing is from charging
It is entered in reduction shaft furnace 410 at mouth 413.Reduction shaft furnace 410 is cylindrical shape, and the top of reduction shaft furnace 410 is provided with bell
440, it is provided on bell 440 and improves material mouth 413, bell 440 by the way of buckling using being connected on reduction shaft furnace 410, in furnace
Loading hopper 450 is installed, feed hopper is conical hopper, and blanking is more convenient on lid 440.Feed inlet 413 is located at bell
440 medium position is distributed in pelletizing dropping process more uniform.Guide part 420 is housing shape, is provided on guide part 420
Through-hole 421, through-hole 421 are intervally arranged, and the outer peripheral surface of guide part 420 is the guiding conical surface, guide part 420 perpendicular to its central axes
The section outer profile in direction is rounded, and guide part 420 has the first guide end and the second guide end, guide part along its axis direction
420 outer diameter is gradually increased along wherein axis direction from the first guide end to the second guide end, and the first guide end is towards feed inlet
The inner wall of 413 settings, the guiding conical surface and reduction shaft furnace 410 forms circular passage, and feed inlet 413 and discharge port 414 pass through the ring
The connection of shape channel.At least one mounting bar 422 is installed, the other end of mounting bar 422 is mounted on reduction vertical at second guide end
On furnace 410.Optionally, mounting bar 422 is provided with three, and three mounting bars 422 surround the circumferentially-spaced row of reduction shaft furnace 410
The angle of cloth, adjacent mounting bar 422 is equal, has interval between adjacent mounting bar 422, and the structure design of mounting bar 422 is not easy
Stop the whereabouts of pelletizing.
Optionally, guiding bump 423 is provided on guide part 420, guiding bump 423 is distributed in guide cone
On face, guiding bump 423 can be protrusion, and bulge clearance is arranged on guide part 420, and protrusion can be hemispherical, pelletizing
When rolling on being oriented to the conical surface, the contact area of pelletizing and the guiding conical surface is small, is not easy to influence pelletizing and the reduction of reducing gas is anti-
It answers.Further, guiding flanging 424 is installed, guiding flanging 424 is annular in shape, guiding flanging 424 and guiding at second guide end
The height for the first edge that part 420 connects is less than the height of guiding second edge of the flanging 424 far from guide part 420, from guiding
The pelletizing rolled down on the conical surface has upward movement tendency, pelletizing is in reduction shaft furnace 410 under the action of being oriented to flanging 424
Run duration increase, increase with time of contact of reducing gas, reducing power is strong, and obtained Product yields are higher.Further
, annular guide plate 430 is installed, the inner ring surface of annular guide plate 430 is circular conical surface, annular on the peripheral wall of reduction shaft furnace 410
The internal diameter of guide plate 430 is gradually reduced from one end at the top of reduction shaft furnace 410 to the other end along wherein axis direction, annular
Blanking channel is formed between guide plate 430 and guide part 420, the pelletizing to fly out from guiding flanging 424 drops into annular guiding
It on plate 430, is rolled on annular guide plate 430 towards discharge port 414, is provided with lug boss on annular guide plate 430, increased
It the time of pelletizing operation, restores more abundant.
Separative unit 500, separative unit 500 include melting to divide furnace, and the connection of discharge port 414 is molten to divide furnace, molten that furnace is divided to be existing skill
Art, vanadium titano-magnetite by reduction it is molten divide make slag iron separation in furnace, rich, high temperature vanadium-containing molten iron is directly for Foundry Production, Ti-enriched slag
For titanium white production.
Pelletizing is put into reduction shaft furnace 410 by vanadium-titanium magnetite reduction device provided in this embodiment from feed inlet 413
In, pelletizing guiding the conical surface on roll, pelletizing degree of scatter is higher, be oriented to the conical surface on be provided with guiding bump 423, pelletizing with
The contact area and time of contact for being oriented to the conical surface are reduced, and the contact with reducing gas is more abundant, and pelletizing is rolled to guiding flanging
When at 424, since guiding flanging 424 is arranged at an angle, pelletizing is from being oriented to after flanging 424 rolls out in similar to parabola fortune
It is dynamic, there is the trend towards movement at feed inlet 413, pelletizing will not directly be fallen to discharge port 414, increase pelletizing in reduction vertical
Residence time in furnace 410, meanwhile, pelletizing has been dropped into after flying out to certain distance on annular guide plate 430, and pelletizing will not be
The whereabouts of discharge port 414 is directly toward at highest point, pelletizing can roll a distance on annular guide plate 430, then from ring
The edge of shape guide plate 430 falls towards discharge port 414, and the structure design of reduction shaft furnace 410 considerably increases pelletizing also
Residence time in former shaft furnace 410 increases the time that pelletizing is contacted with reducing gas, and the reduction reaction of pelletizing is abundant, recycling
Rate is high, and the added value of product of recycling is high.
In pelletizing dropping process, supplied using air feed equipment into reduction shaft furnace 410, which can be coke-oven coal
Gas, coke-stove gas are passed into reduction shaft furnace 410 after heating, are passed through from the bottom of reduction shaft furnace 410, realize pelletizing and go back
Raw-gas convection current, increases time of contact, and reaction increases abundant.
Optionally, air inlet includes the first blow vent 411 and the second blow vent 412, is communicated at the first blow vent 411
First steam line, the first steam line extend in detour shape, are communicated with the second steam line at the second blow vent 412, and second
Steam line extends in detour shape, and the first ventilation pipe and the second ventilation pipe are located in reduction shaft furnace 410, the first blow vent
411 are located at the lower section of the second blow vent 412.The concentration for the reducing gas being passed through from the first blow vent 411 is less than from the second ventilation
The concentration for the reducing gas being passed through at mouth 412, improves the utilization rate of reducing gas, intensified response effect.
It should be noted that the material that dosing 100 prepares is delivered to drying unit 200 by conveyer belt, complete to dry
Dry raw material is delivered to pelletizing manufacturing cell 300 by conveyer belt, and the pelletizing for manufacturing completion is delivered to reduction list by conveyer belt
Member 400 can be set screw conveyor in reduction unit 400 and the product after reduction be delivered to separative unit 500.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of vanadium-titanium magnetite reduction device characterized by comprising
Reduction unit, the reduction unit include reduction shaft furnace, and the reduction shaft furnace has furnace chamber, are arranged on the reduction shaft furnace
There are feed inlet, discharge port, air inlet and exhaust outlet, the feed inlet, discharge port, air inlet and exhaust outlet are connected to the furnace
Chamber, pelletizing can enter in the reduction shaft furnace from the feed inlet；The reduction shaft furnace feed inlet is located at reduction shaft furnace
Top surface medium position；Guide part is installed, the guide part has the guiding conical surface, the guide part in the reduction shaft furnace
Rounded perpendicular to the section outer profile of wherein axis direction, the guide part has the first guide end and the along its axis direction
The outer diameter of two guide ends, the guide part is gradually increased along wherein axis direction from the first guide end to the second guide end, described
First guide end is arranged towards the feed inlet, and the inner wall of the guiding conical surface and the reduction shaft furnace forms circular passage, institute
It states feed inlet and is connected to the discharge port by the circular passage；Guiding bump, the guiding are provided on the guide part
Bump is distributed on the guiding conical surface；Guiding flanging is installed, the guiding flanging is at second guide end
The height of ring-type, the first edge that the guiding flanging is connect with the guide part is less than the guiding flanging far from the guiding
The height of the second edge of part；Annular guide plate, the inner ring of the annular guide plate are installed on the peripheral wall of the reduction shaft furnace
Face is circular conical surface, and the internal diameter of the annular guide plate is along wherein axis direction from one end at the top of the reduction shaft furnace to another
One end is gradually reduced, and forms blanking channel between the annular guide plate and the guide part.
2. vanadium-titanium magnetite reduction device according to claim 1, which is characterized in that the top of the reduction shaft furnace is arranged
There is bell, the feed inlet is arranged on the bell.
3. vanadium-titanium magnetite reduction device according to claim 1, which is characterized in that the reduction shaft furnace is column knot
Structure, the feed inlet, exhaust outlet are arranged at the top of the reduction shaft furnace, and the air inlet, the discharge port are arranged in institute
It states on the furnace wall of reduction shaft furnace.
4. vanadium-titanium magnetite reduction device according to claim 3, which is characterized in that install at the top of the reduction shaft furnace
There is bell, the feed inlet, exhaust outlet are arranged on the bell, and loading hopper, the charging leakage are equipped on the bell
Bucket is connected to the feed inlet, and drying room is connected to by conveying mechanism with the loading hopper.
5. vanadium-titanium magnetite reduction device according to claim 1, which is characterized in that be provided on the reduction shaft furnace
One blow vent and the second blow vent are communicated with the first steam line at first blow vent, and first steam line is in
Detour shape extends, and the second steam line is communicated at second blow vent, and second steam line extends in detour shape, institute
It states the first ventilation pipe and second ventilation pipe is located in the reduction shaft furnace.
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| CN108359762B true CN108359762B (en) | 2019-10-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086283A (en) * | 2016-08-05 | 2016-11-09 | 北京神雾环境能源科技集团股份有限公司 | A kind of molten point of stove reduction system and method for schreyerite |
| CN106521072A (en) * | 2016-12-16 | 2017-03-22 | 江苏省冶金设计院有限公司 | Gas-based reduction shaft furnace for low-intensity pellets |
| CN106755687A (en) * | 2016-11-24 | 2017-05-31 | 武汉科思瑞迪科技有限公司 | A kind of based shaft kiln directly reduced technique of coal |
| CN206607253U (en) * | 2017-03-06 | 2017-11-03 | 江苏省冶金设计院有限公司 | A kind of reduction shaft furnace |
| CN206666572U (en) * | 2017-04-18 | 2017-11-24 | 攀枝花正德环保新材料科技开发有限公司 | Utilize the process system of vanadium titano-magnetite production molten casting iron |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4032123A (en) * | 1976-10-15 | 1977-06-28 | Armco Steel Corporation | Shaft furnace for direct reduction of ores |
| US5702246A (en) * | 1996-02-22 | 1997-12-30 | Xera Technologies Ltd. | Shaft furnace for direct reduction of oxides |
| CN102417945A (en) * | 2011-11-04 | 2012-04-18 | 张昭贵 | Shaft furnace with central gas distribution device and method for controlling gas distribution quantity |
-
2018
- 2018-02-23 CN CN201810156304.5A patent/CN108359762B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086283A (en) * | 2016-08-05 | 2016-11-09 | 北京神雾环境能源科技集团股份有限公司 | A kind of molten point of stove reduction system and method for schreyerite |
| CN106755687A (en) * | 2016-11-24 | 2017-05-31 | 武汉科思瑞迪科技有限公司 | A kind of based shaft kiln directly reduced technique of coal |
| CN106521072A (en) * | 2016-12-16 | 2017-03-22 | 江苏省冶金设计院有限公司 | Gas-based reduction shaft furnace for low-intensity pellets |
| CN206607253U (en) * | 2017-03-06 | 2017-11-03 | 江苏省冶金设计院有限公司 | A kind of reduction shaft furnace |
| CN206666572U (en) * | 2017-04-18 | 2017-11-24 | 攀枝花正德环保新材料科技开发有限公司 | Utilize the process system of vanadium titano-magnetite production molten casting iron |
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| CN108359762A (en) | 2018-08-03 |
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