CN205473925U - Continuous metallurgical device - Google Patents
Continuous metallurgical device Download PDFInfo
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- CN205473925U CN205473925U CN201521113032.9U CN201521113032U CN205473925U CN 205473925 U CN205473925 U CN 205473925U CN 201521113032 U CN201521113032 U CN 201521113032U CN 205473925 U CN205473925 U CN 205473925U
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- molten bath
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Abstract
The utility model provides a continuous metallurgical device, including a plurality of smelting rooms that the order is connected, the gatehouse through vertical setting between the adjacent smelting room separates, the gate can move in vertical direction to the realization will be located the adjacent smelting room of its both sides and carry out complete interval or partial interval, to each smelt the room, the lower part is the molten bath, is equipped with at least one and the external row's cinder notch that feeds through in the molten bath, and upper portion is equipped with at least one cubic material dog -house and a flue, still be connected with the material main -inlet that has the whereabouts space on the first smelting room, still be connected with the product export on final smelting room. The production processes that can break traditional metal smelting and to disperse is relatively created in the invention, realizes metal smelting's continuous production, have the occupation of land less, the investment is little, the energy consumption low, pollute technological advantages such as little.
Description
Technical field
The invention belongs to field of metallurgy, is specifically related to a kind of metallurgical plant with continuous structure and metallurgical method, can
With satisfied major part metalliferous mineral or the pyrometallurgical smelting of secondary raw material and refine requirement, needs are smelted through multistage (secondary)
Metal the most effective.
Background technology
Traditional metal smelt process generally requires the smelting procedure of more than 2, such as steelmaking process it is generally required to blast furnace process,
The operations such as pretreatment, blowing and refine, each operation all relative distribution.In current metallurgical technology, in each operation
After completing, need to utilize the means of transport such as tank car, overhead traveling crane that raw material is transported to subsequent processing.This traditional dispersion is metallurgical
Operation and transport process have following drawback: (1) repeatedly transport process makes the melt heat being transported be dissipated in vain,
Energy consumption is the hugest；(2) transport process needs to be equipped with special means of transport and human and material resources, production efficiency is low,
Cost is bigger；(3) transport process can cause gas and dust pollution, is unfavorable for environmental conservation and health.(4)
Transport process cannot thoroughly stop the generation of security incident.
Summary of the invention
The invention is for solving the problems of the prior art, it is provided that a kind of continuous metallurgical device, it is possible to break traditions gold
Belong to the production process smelting relative distribution, it is achieved the continuous production of metal smelt, have occupation of land less, invest little, energy consumption is low,
Pollute the advantages such as little.
A kind of continuous metallurgical device that the invention provides, including the some smelting rooms being linked in sequence, adjacent smelting room it
Between by the gate spacer that is vertically arranged, described gate can move at vertical direction, thus realization will be located in its both sides
Adjacent smelting room is spaced or part interval completely；For each described smelting room, bottom is molten bath, is provided with in molten bath
At least one slag-drip opening being in communication with the outside, top is provided with at least one lump material dog-house and a flue；First
Smelting the material main-inlet being also associated with having droping space on room, last is smelted and is also associated with products export on room.
Wherein, the quantity of described smelting room is preferably 3-5.
Further, arbitrary neighborhood smelts between room in parallel connection or ladder connects, and preferably ladder connects.As entering one
The preferred version of step, in described ladder connects, is positioned at melt in the molten bath of described smelting room above in adjacent smelting room
The height and position of floor partially overlaps with the height and position of slag blanket in the molten bath of the described smelting room being positioned at below.
Further, described smelting room is each provided with auxiliary charge door, heater, bottom blowing jet pipe, side-blown spray the most independently
One or more in pipe, nozzle.
Wherein, described auxiliary charge door can be located at the top, middle part smelting room at its place；Described heater can be around it
The smelting the sidewall of room or the electromagnetic induction heating coil of bottom or be positioned at the adding of the top, middle part smelting room at its place of place
Thermode；Described bottom blowing jet pipe is to be arranged at the jet pipe bottom the smelting room at its place, and described side-blown jet pipe is along its place
The some jet pipes of the parallel distribution in molten bath smelting room, described bottom blowing jet pipe, side-blown jet pipe, nozzle all can be to smelting room
Middle input material or gas.
Wherein, described molten bath is for the melting of metallurgical material.Described gate can completely close according to the needs smelted
Time make smelting room be in completely self-contained smelting procedure state；Or in smelting process, it is in semi-open state, connect in part
Continuous smelting procedure serves as the effect of partition wall；Or open after the smelting of a certain operation or smelting room completes, make smelting
Refining raw material is directly entered next and smelts room or smelting procedure.Described first smelts room material main-inlet is mainly used in powder, combustion
The powderies such as material or liquid or the addition of Gaseous materials, the basic material of the material of input generally reaction, described material master enters
Mouth is normally at the forefront of the first smelting room.Described lump material dog-house is mainly used in the addition of lump material, typically
For being difficult in the material of break process, or each operation the material needing auxiliary to add, thus it is equal to smelt room at each
There is setting, be normally at each upper end, front smelting room, near the position of front gate.Described flue is used for each smelting
The discharge of waste gas in refining operation, is normally at each upper end, rear smelting room, near the position of rear gate.
It should be noted that " front " " afterwards " " first " " second " described in the invention etc. are all according to smelting
Golden clothes put moving towards direction and describing of the smelting in smelting process.
A kind of brief smelting process of the invention continuous metallurgical device is: need the breeze (if energy powder process) smelted
With fuel (powder, liquid, gas), gas (such as air, oxygen-enriched, pure oxygen or other gas), flux etc., from material master
It is indoor that porch sprays into the first smelting, utilizes that powder particle size is little, specific surface area contacts greatly, at high temperature with gas in space
The feature that area is big, response speed is fast, carries out metallurgical first by the pyrometallurgy environment of droping space to material；Can not
Make the unclassified stores of powder add at the first lump material dog-house smelting room in stove (feeding intake first can be powder,
Can also be block).Material, behind the molten bath falling into the first smelting room, continues through bottom blowing jet pipe, side-blown jet pipe, spray
Mouth or lump material dog-house add this stage smelt required for dispensing, such as: fine coal, oxygen, hot blast, fine ore,
Flux, old metal, additive, block etc.；Flue gas is discharged from the first flue smelting room, and slag is discharged from slag-drip opening.
At top, molten bath addition electrode with selectivity or ring oven body can be selected or be positioned at the electromagnetic induction heating of furnace bottom.Smelting process
In, need to close or semi-open (slag blanket such as making gate bottom be positioned at the first smelting room or melt layer) the according to smelting
One smelts room and second smelts the gate between room.
After smelting, slag is discharged from slag-drip opening, and semi-open first smelts room and second smelts the gate between room, closes
Close the second smelting room and the 3rd gate smelted between room, smelt the melt after improving purity through first and flow bottom gate
Entering the second molten bath, smelting room, second smelts the bottom blowing jet pipe of room, side-blown jet pipe, nozzle or lump material dog-house adds
Dispensing required for the smelting of this stage.Flue gas is discharged from the second flue smelting room, and slag is discharged from slag-drip opening.
After smelting, the smelting room that continuation order enters below smelts, and is not described in detail in this.Each smelts room,
Different raw materials or adjuvant is added by bottom blowing jet pipe, side-blown jet pipe, nozzle or lump material dog-house, it is provided that
Different metallurgy environments, makes metal purify step by step in the most airtight container, until obtaining intended metal product.
A kind of concrete continuous metallurgical method of the invention comprises the steps:
S1: the first smelts room smelts: closes described first and smelts room gate, makes described first to smelt room and forms an independence
Metallurgical unit, from described first smelt room have droping space material main-inlet add raw material, raw material first smelt
Room first passes through space and smelts, then falls into molten bath and carry out molten bath smelting, in smelting process, according to actual needs, can pass through
One or more sides in lump material dog-house, auxiliary charge door, heater, bottom blowing jet pipe, side-blown jet pipe, nozzle
Formula adds the necessary adjuvant of smelting, heat and atmosphere at times, forms good metallurgy environment, and material is in molten bath slag making
And after clarifying layering, form slag blanket and rich in metal bath layer.Flue gas during smelting is smelted room flue from described first and is discharged, slag
Smelt room slag-drip opening from described first to discharge.
S2: the first smelts the room melt discharge rich in metal: after raw material smelts room smelting described first, first close
Described second smelts room gate, is then lifted out described first and smelts room gate so that it is end is placed in the melt layer rich in metal
In, allow the melt rich in metal as much as possible flow automatically and enter the second smelting room, ensure again that described first smelts in room simultaneously
Flue gas and slag will not enter the second smelting room, for reaching above-mentioned purpose, in discharge process, can repeatedly move described
One smelts room gate end in the position rich in metal bath floor.After discharging rich in the melt of metal, close described the
One smelts room gate.
S3: the second smelts room smelts: enters described second at the melt rich in metal and smelts room, is then turned off the first smelting room
Gate, now the first the second smelting room gate smelting room gate, the second smelting furnace wall, room and Guan Bi defines an independence
Metallurgical unit, according to smelt be actually needed, by lump material dog-house, auxiliary charge door, heater, bottom blowing
One or more modes in jet pipe, side-blown jet pipe, nozzle add the necessary adjuvant of smelting, heat and atmosphere at times,
Forming good metallurgy environment, to remove rich in the partial impurities in metal bath, the slag that refine is formed is from described second smelting
Refining room slag-drip opening is discharged, and flue gas during smelting is smelted room flue from described second and discharged.
S4: repeatedly use the melt discharge process of same step S2 and with the smelting step of step S3, make rich in metal
Melt completes in subsequent smelting room to smelt successively, completes to smelt (or refine) until smelting room at last.
The discharge of S5: product: the metal bath completing to smelt in last smelting room discharges out of the furnace from described products export.
The invention provides the benefit that: the structure of (1) the invention and feed way, can meet major part gold
Belong to mineral or the pyrometallurgical smelting of secondary raw material and refine requirement, to needing the metal smelted through multistage (secondary), have especially
Effect；(2) in original conventional metallurgical technique, each discrete procedure connection becomes an entirety, can profit under continuously coupled state
Flow automatically with melt self gravitation, it is to avoid the energy dissipation that causes because of transport process, inefficiency and environment are dirty
The problems such as dye；(3) can make full use of heat metallurgical first, metallurgical overall process is airtight, the inorganization row of gas and dust
Put close to zero, it is possible to directly obtain intended metal product finished product.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the invention.
In figure, Tx-smelts room；Ax-slag blanket；Bx-melt layer；Zx-molten bath；Kx-lump material dog-house；Gx-gate；
Rx-slag-drip opening；Yx-flue；Any one in the auxiliary charge door of Fx-, heater；Dx-bottom blowing jet pipe；The side-blown jet pipe of Cx-；
FQR-material main-inlet；OUT-products export；Wherein, subscript x=1,2 ..., N, order of representation connects respectively
Smelt the ordinal position of room, be expressed as the second smelting room or certain structure therein during such as x=2, especially, for gate
The description of Gx, then it represents that be x-th smelt room and (x+1)th smelting room between gate.
Detailed description of the invention
Below by combining accompanying drawing, the invention is further described.Concrete scheme described in the following examples is only
Illustrate that the content of the invention, be not used to the restriction to the invention.
Embodiment 1 continuous steelmaking
Iron concentrate, oxygen, fine coal, flux spray into smelting room T at material main-inlet FQR1, coke is thrown from lump material
Material mouth K1Adding, Iron concentrate floats on red-hot and the reduction edema caused by disorder of QI in CO continuous oven with great specific surface area state Mass
First smelts space, room, and heat transfer, mass transfer, complete the space smelting process of iron ore concentrate rapidly；After space smelts, Haematite
High price iron oxides in powder is reduced into metallic iron and small part iron oxides at a low price, descends slowly and lightly at the molten bath Z of bottom1In,
Molten bath Z1Side-blown jet pipe C is distributed1, spray into oxygen and fine coal, form high temperature and the strong reducing property environment in this region, be most difficult to
The ferrous oxide of reduction is able to Restore All.In above process, gate G1It is always maintained at closed mode.At slag sluicing system
After, slag is from slag-drip opening R1Discharging out of the furnace, flue gas enters flue Y1。
This ironmaking processes completes and after deslagging, closed shutter G2, semi-open gate G1, molten iron is through gate G1Under
Inflow molten bath, portion Z2, at lump material dog-house K2After being initially charged the desiliconization of desiliconization agent such as iron scale, then from side-blown jet pipe
C2Spray into desulfurization dephosphorization agent such as soda powder etc., molten iron is carried out desulfurization and dephosphorization.Flue gas enters flue Y2, slag is from deslagging
Mouth R2Discharge out of the furnace.
After three de-also deslagginves, closed shutter G3, semi-open gate G2, molten iron is from gate G2Inflow molten bath, bottom
Z3, in molten bath, spray into oxygen or Iron concentrate from side-blown jet pipe, simultaneously from lump material dog-house K3Add slag making material successively
Expect such as Calx, dolomite, for improving yield, if it is necessary, also can be from lump material dog-house K while blowing3Add
Enter the slag charge such as iron ore concentrate, iron scale or coolant.This converting process main purpose is decarburization, continues removing molten iron simultaneously
In sulfur and phosphorus.Flue gas enters flue Y3, slag is from slag-drip opening R3Discharge.
Blow and after deslagging, semi-open gate G3, molten steel is through gate G3Inflow molten bath, bottom Z4, the end of from
Blow and spray pipe D4To molten bath, winding-up argon is stirred, at F4Place is provided with one group of graphite electrode and heats molten bath, at this
During, by lump material dog-house K4Add the slag former such as Calx and fluorite.By this refine flow process, to molten steel
Study and point be adjusted, eliminate non-metallic inclusion and carry out oxide morphology process.Flue gas enters flue Y4, slag from
Slag-drip opening R4Discharging out of the furnace, molten steel flows in the tundish of continuous casting workshop from products export OUT.
The technique of above-mentioned continuous steelmaking is relative to traditional scattered " the outer pretreatment of blast furnace-stove-bessemerize-LF refine " steel
Ferrum smelting process, more energy efficient environmental protection and reducing investment outlay.
Embodiment 2 continual copper smelting
After copper concentrate drying is broken, copper concentrate breeze, quartz flux and oxygen-enriched air are sprayed into from material main-inlet FQR
Continuous oven first is smelted in the furnace chamber of room, copper sulfide concentrate granule in the turbulent airflow of oxidisability in suspended state, quickly
There is oxidation reaction, release big calorimetric simultaneously, after the material particles being suspended in furnace chamber is melted, fall into molten bath Z1Continue into
Row makes copper sulfur (matte) and slag making reaction, gate G in above process1It is always maintained at closed mode.Clear at copper sulfur and slag
After sorting layer, from slag-drip opening R1Discharge slag, rich in SO2Flue gas enter flue Y1。
Complete and after deslagging at shallow crust structures, closed shutter G2, semi-open gate G1, copper sulfur is from gate G1Bottom
Enter molten bath Z2, will there is the air of certain pressure from side-blown jet pipe C2Send into molten bath Z2In, make FeS be oxidized to FeO,
And Cu2After S is oxidized again with Cu2S-phase mutual reactance becomes blister copper, and blowing temperature can lean on sulfide-oxidation reaction to maintain
Temperature, in the process from lump material dog-house K2The slag former added such as quartz etc..Blowing slag is from slag-drip opening R2Row
Going out, blowing flue gas enters flue Y2.
Converting process completes and after deslagging, closed shutter G3, semi-open gate G2, blister copper is from gate G2Bottom stream
Enter molten bath Z3In carry out refinement oxide, from side-blown jet pipe C3Blast air, simultaneously from lump material dog-house K3Mouth is to stove
Interior addition flux such as quartz sand, Calx or soda, utilize most impurity to be more than copper with oxygen affinity, and oxide impurity exist
The characteristic that in copper, dissolubility is the least, makes slag making after the oxidations of impurities such as sulfur, ferrum, lead, zinc, nickel, arsenic, antimony, stannum and bismuth,
Slag is from slag-drip opening R3Discharging, flue gas enters flue Y3。
Refinement oxide completes and after deslagging, semi-open gate G3, blister copper is from gate G3Bottom flows into molten bath Z4In enter
Row reduction refining, with steam or air by heavy oil atomizing from side-blown jet pipe C4It is blown in copper liquid, from lump material dog-house
K4The reducing agents such as addition charcoal powder or nut coke are covered on copper liquid level, heavy oil are heated and are cracked into H2, the composition such as CO, C,
Make Cu2O is reduced into Cu.Flue gas enters flue Y4, refined copper melt is from molten bath Z4Middle releasing, can with cast panel electrolysis or
Ingot casting is sold.
The technique of above-mentioned continual copper smelting is relative to traditional scattered " Flash Smelting Furnace-PS bessemerizes-refinement oxide-reduction refining "
Copper making technique, more energy efficient environmental protection and reducing investment outlay.
The foregoing is only the preferred embodiment of the invention, not in order to limit the invention, all at this
Within the spirit of bright creation and principle, any modification, equivalent substitution and improvement etc. made, should be included in present invention wound
Within the protection domain made.
Claims (6)
1. a continuous metallurgical device, including the some smelting rooms being linked in sequence, by the gate spacer being vertically arranged between adjacent smelting room, described gate can move at vertical direction, thus the adjacent smelting room realizing will be located in its both sides is spaced or part interval completely；For each described smelting room, bottom is molten bath, is provided with at least one slag-drip opening being in communication with the outside in molten bath, and top is provided with at least one lump material dog-house and a flue；First smelts the material main-inlet being also associated with having droping space on room, and last is smelted and is also associated with products export on room.
A kind of continuous metallurgical device the most according to claim 1, it is characterised in that the quantity of described smelting room is 3-5.
A kind of continuous metallurgical device the most according to claim 1, it is characterised in that smelt between room in parallel connection described in arbitrary neighborhood or ladder connects.
A kind of continuous metallurgical device the most according to claim 1, it is characterised in that be each provided with one or more in auxiliary charge door, heater, bottom blowing jet pipe, side-blown jet pipe, nozzle the most independently in described smelting room.
A kind of continuous metallurgical device the most according to claim 4, it is characterised in that described auxiliary charge door is positioned at the top, middle part smelting room at its place；Described heater can be around its place smelt the sidewall of room or the electromagnetic induction heating coil of bottom or be positioned at its place the top, middle part smelting room add thermode；Described bottom blowing jet pipe is to be arranged at the jet pipe bottom the smelting room at its place, and described side-blown jet pipe is some jet pipes of the parallel distribution in molten bath smelting room along its place.
A kind of continuous metallurgical device the most according to claim 1, it is characterised in that described lump material dog-house is positioned at each upper end, front smelting room, near the position of front gate；Described flue is positioned at each upper end, rear smelting room, near the position of rear gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113032.9U CN205473925U (en) | 2015-12-25 | 2015-12-25 | Continuous metallurgical device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113032.9U CN205473925U (en) | 2015-12-25 | 2015-12-25 | Continuous metallurgical device |
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| Publication Number | Publication Date |
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| CN205473925U true CN205473925U (en) | 2016-08-17 |
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| CN201521113032.9U Active CN205473925U (en) | 2015-12-25 | 2015-12-25 | Continuous metallurgical device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420498A (en) * | 2015-12-25 | 2016-03-23 | 天津闪速炼铁技术有限公司 | Continuous metallurgic device and metallurgic method |
| CN108220518A (en) * | 2018-02-05 | 2018-06-29 | 高师敏 | A kind of high-chromic vanadium-titanium ferroferrite smelting process and device |
-
2015
- 2015-12-25 CN CN201521113032.9U patent/CN205473925U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420498A (en) * | 2015-12-25 | 2016-03-23 | 天津闪速炼铁技术有限公司 | Continuous metallurgic device and metallurgic method |
| WO2017107662A1 (en) * | 2015-12-25 | 2017-06-29 | 天津闪速炼铁技术有限公司 | Continuous metallurgical device and method |
| CN105420498B (en) * | 2015-12-25 | 2017-11-03 | 天津闪速炼铁技术有限公司 | A kind of continuous metallurgical device and metallurgical method |
| CN108220518A (en) * | 2018-02-05 | 2018-06-29 | 高师敏 | A kind of high-chromic vanadium-titanium ferroferrite smelting process and device |
| CN108220518B (en) * | 2018-02-05 | 2019-12-24 | 高师敏 | Smelting method and device for high-chromium vanadium titano-magnetite |
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