CN205710869U - A kind of Flash Smelting Furnace with side-blowing bath section - Google Patents
A kind of Flash Smelting Furnace with side-blowing bath section Download PDFInfo
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- CN205710869U CN205710869U CN201620387022.2U CN201620387022U CN205710869U CN 205710869 U CN205710869 U CN 205710869U CN 201620387022 U CN201620387022 U CN 201620387022U CN 205710869 U CN205710869 U CN 205710869U
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Abstract
This utility model provides a kind of Flash Smelting Furnace with side-blowing bath section, including reaction tower, reaction tower bottom is provided with at least one molten bath, the inner width side-blowing bath section less than 3 meters it is equipped with on each molten bath, the side of side-blowing bath section is provided with side-blown layout, side-blowing bath section end is provided with slag-drip opening, and side-blowing bath section is positioned between slag-drip opening and reaction tower；Flash Smelting Furnace also includes uptake flue, and uptake flue is connected with reaction tower by molten bath.Flash Smelting Furnace described in the utility model is by arranging the inner width side-blowing bath section less than 3 meters, each position making molten bath all can be directly affected by side-blown, particularly centre can be blown through, side-blown one side is molten bath additional heat, molten bath is made to form the liquid melts environment of good fluidity, thus realize the functions such as precipitated and separated and the discharge of slag making, slag and metal, simultaneously, side-blown setting is alternatively molten bath and provides reducing agent, complete residue in slag blanket and treat the reduction of metal smelting oxide, improve the response rate of metal.
Description
Technical field
This utility model belongs to field of metallurgy, especially relates to a kind of Flash Smelting Furnace with side-blowing bath section.
Background technology
Flash is metallurgical to be served only for the smelting of sulphide ore, is also not applied to the smelting of oxide ore from invention till now, to dodge
As a example by speed copper metallurgy, Flash Microcontroller technique is by the most mixed with oxygen-enriched air through concentrate burner for dried powdery copper sulfide concentrate
Spray into Flash Smelting Furnace after conjunction, in pyroreaction tower, carry out thermal dissociation and oxidation reaction, make the oxidation of part ferrum slag making in copper concentrate
Remove, the matte that output cupric is higher.Owing to sulfide and oxygen reaction can release substantial amounts of heat, so need not be the most additionally
Molten bath additional heat.
Conventional vulcanized ore deposit Flash Smelting Furnace structural representation is as shown in Figure 1.
Tradition Outokumpu sulphide ore Flash Smelting Furnace is when design, and the inner width in molten bath is that the internal diameter according to reaction tower determines,
Generally reaction tower internal diameter is plus 1-2 rice, and its schematic top plan view is as shown in Figure 2.
Oxide ore flash metallurgy principle is that breeze is under the flash furnace reaction tower space of red-hot full reducing atmosphere suspends
During falling, the specific surface area utilizing breeze to contact with high-temperature reducing gas is relatively big, the feature that response speed is fast, it is achieved to ore deposit
The reduction treating metal smelting oxide in powder, the metal-oxide reduced the most completely has continued reduction after falling into molten bath.
The molten bath of oxide ore Flash Smelting Furnace, in addition to completing to remain the reduction treating metal smelting oxide, is also performed to slag making
React and complete liquid metal and the separation of slag and discharge, so that maintain the reducing environment of a high temperature, only by reaction
Heat and reducing agent that tower transmission comes the most far from be enough to above-mentioned work.Thus, it is that molten bath supplements by the way of side-blown
Heat and offer reducing agent just become the means of a kind of necessity.Molten bath is side-blown is by realizing at the side-blown jet pipe of molten bath side arrangement
, in China, it is the most economical scheme of one of which by the side-blown coal of jet pipe and oxygen.We draw according to lot of experiments: side-blown
The inner width in molten bath can not be more than 3 meters, and otherwise the centre in molten bath is difficult to be blown through.
But according to the design principle of traditional general Flash Smelting Furnace of Alto elder brother, the inner width in molten bath 1-2 bigger than reaction tower diameter
, the most also there is not the molten bath inner width Flash Smelting Furnace less than reaction tower diameter in rice, did not occurred that a Flash Smelting Furnace has multiple molten yet
The situation in pond.Limited by space smelting principle, the diameter of the Flash Smelting Furnaces of the most all actual application all more than 3 meters,
Namely molten bath inner width is both greater than 4 meters, it is molten bath additional heat and reaction mass according to side-blown mode, is wider than 3 for interior
The molten bath that rice is above, if to go deep into molten bath the most shallow for spray gun, then center, molten bath cannot be affected, and causes molten bath central region temperature
Low, viscosity is high, metal oxide content to be smelted in slag is high, if to go deep into molten bath the deepest for spray gun, although centre is permissible
Blown through, but the edge in molten bath cannot be directly influenced, can be caused again that melt tank edge regional temperature is low, viscosity is high, molten
Metal oxide content to be smelted in slag is high.This means that tradition Alto elder brother general sulphide ore Flash Smelting Furnace cannot effectively be applied
Side-blown mode is for molten bath additional heat and provides reaction mass.
Summary of the invention
In view of this, this utility model is directed to a kind of Flash Smelting Furnace with side-blowing bath section, to solve existing sudden strain of a muscle
Speed stove molten bath cannot be by the side-blown problem that burning ore deposit is carried out melting.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of Flash Smelting Furnace with side-blowing bath section, including reaction tower 1, described reaction tower 1 is provided with charging gear, described
Reaction tower 1 bottom is provided with at least one molten bath 2, and each described molten bath 2 is equipped with the inner width side-blowing bath section less than 3 meters, described
The side of side-blowing bath section is provided with side-blown layout, and described molten bath 2 is provided with slag-drip opening 5, and described side-blowing bath section is positioned at described
Between slag-drip opening 5 and described reaction tower 1；Described Flash Smelting Furnace also includes uptake flue 3, and described uptake flue 3 is by described molten bath 2
Being connected with described reaction tower 1, uptake flue 3 is used for discharging in course of reaction produced flue gas.
Described side-blown being disposed to sprays into fuel and oxygen-containing gas, for carrying in molten bath 2 in described side-blowing bath section body of heater
Heating load and reducing agent, described fuel is in heavy oil, natural gas, liquefied petroleum gas, coal, nut coke, hydrocarbon gas
Kind；Described oxygen-containing gas is air, the one in oxygen-air mixture or technique oxygen.Side-blowing bath section less than 3 meters
Setting each position in molten bath 2 can be made can be directly affected by side-blown, and then for additional heat and offer in molten bath 2
Reducing agent.Side-blowing bath section is positioned between slag-drip opening and molten bath 2, in order to makes melt through the side-blown melting of side-blowing bath section, enters
Discharge after one step precipitated and separated, thus reduce the content treating metal smelting in slag blanket, improve the response rate treating metal smelting.
Preferably, described uptake flue 3 number is consistent with described molten bath 2 number.
Preferably, a length of 8-20 rice of described side-blowing bath section.
Preferably, described side-blowing bath section is cuboid.Preferably, interior a width of 1.5-2.5 rice of side-blowing bath section, at this
In width range, side-blowing bath section both sides spray gun can be able to be taken into account again molten bath two with joint effect to central area, molten bath simultaneously
The melt of sidewall applies effective influence, if side-blowing bath section width is narrow, can affect the molten bath bearing capacity to melt, then need to increase
Add the number in molten bath, increase investment.
Preferably, the inner width in described molten bath 2 is gradually decrease to less than 3 meters and not less than 1 to far-end by described reaction tower 1 end
Rice.So that melt and flue gas flow rate can be mild change, reduce impact on smelting process.
Further, the number in described molten bath 2 is 1-4.
Further, described side-blown layout includes being symmetricly set on the side-blown hole of described side-blowing bath section and being arranged on side-blown
Side-blown jet pipe 4 in hole.
Further, described side-blown layout position is corresponding with molten slag layer in described side-blowing bath section, in order to make described
Side-blown layout is jetted oxygen-containing gas and fuel in described side-blowing bath section molten slag layer, makes slag rolling or convection current, promotes melt
Chemical reaction in the exchange transmission of interior heat and molten slag layer, improves the response rate treating metal smelting.
Further, on described molten bath 2 or uptake flue 3 sidewall is provided with air port.Oxygen-containing gas (air, oxygen-air
Mixture or technique oxygen) spray into the connection flue on bath surface top by air port and make reducing gas (CO, H2) second-time burning,
On the one hand it is molten bath additional heat, on the other hand reduces the content of CO in tail gas.Sprayed by the air port arranged on flue 3 sidewall
On the one hand the reducing gas entered in oxygen-containing gas and flue gas burns, and can avoid owing to flue gas is in flow process at temperature
The flue dust felt jam flue that fall causes, another effect is to burn the CO in tail gas, reduces follow-up fume treatment work
Sequence.
Further, described charging gear is nozzle or nozzle, burner or burner and nozzle, the combination of spray gun.By setting
Put charging gear and add the necessary raw material of smelting, fuel and auxiliary material to Flash Smelting Furnace, if desired, it is possible to pass through charging gear
If burner is additional heat in reaction tower 1 space.
Further, described uptake flue 3 is positioned close to the top, molten bath 2 of described side-blowing bath section porch.Flue gas
It is directly entered flue without side-blowing bath section, thus avoids kiln gas owing to the change of side-blowing bath section pool width causes
The fluctuation of flow velocity.
Further, described reaction tower 1 connects gas transport line, in order to from the outside reacting gas introduced of Flash Smelting Furnace
And the heat carried can be fed directly in stove.Described reacting gas is containing CO, H2Or in hydrocarbon gas
Plant or multiple；Preferably, the coal gas produced by the waste gas containing reducing atmosphere or the coal gas device of commercial production discharge；More excellent
Choosing, for the one or many in blast furnace gas, coal gas of converter, coke-stove gas, tail gas from electric furnace, rotary kiln exhaust gas, rotary hearth furnace tail gas
Kind.
Relative to prior art, the Flash Smelting Furnace with side-blowing bath section described in the utility model has the advantage that
Flash Smelting Furnace described in the utility model, by arranging the inner width side-blowing bath section less than 3 meters, makes each portion in molten bath
Position can be directly affected by side-blown, and particularly centre can be blown through, and side-blown one side is molten bath additional heat, makes to melt
Pond forms the liquid melts environment of good fluidity, thus realizes the discharge of the precipitated and separated of slag making, slag and metal, slag and metal
Etc. function, meanwhile, side-blown setting is alternatively molten bath and provides reducing agent, completes residue in slag blanket and treats going back of metal smelting oxide
Former, improve the response rate treating metal smelting.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, and this practicality is new
The schematic description and description of type is used for explaining this utility model, is not intended that improper restriction of the present utility model.?
In accompanying drawing:
Fig. 1 is the structural representation of existing Flash Smelting Furnace；
Fig. 2 is the layout structure schematic diagram of existing Flash Smelting Furnace；Fig. 3 be described in this utility model embodiment with side-blown
A kind of structural representation of the Flash Smelting Furnace of molten bath section；
Fig. 4 is the another kind of structural representation of the Flash Smelting Furnace with side-blowing bath section described in this utility model embodiment；
Fig. 5 is the third structural representation of the Flash Smelting Furnace with side-blowing bath section described in this utility model embodiment；
Fig. 6 is the 4th kind of structural representation of the Flash Smelting Furnace with side-blowing bath section described in this utility model embodiment；
Fig. 7 is the 5th kind of structural representation of the Flash Smelting Furnace with side-blowing bath section described in this utility model embodiment；
Fig. 8 is the 6th kind of structural representation of the Flash Smelting Furnace with side-blowing bath section described in this utility model embodiment；
Fig. 9 is the 7th kind of structural representation of the Flash Smelting Furnace with side-blowing bath section described in this utility model embodiment；
Figure 10 is the 8th kind of structural representation of the Flash Smelting Furnace described in this utility model embodiment with side-blowing bath section；
Figure 11 is the 9th kind of structural representation of the Flash Smelting Furnace described in this utility model embodiment with side-blowing bath section；
Figure 12 is the tenth kind of structural representation of the Flash Smelting Furnace described in this utility model embodiment with side-blowing bath section.
Description of reference numerals:
1-reaction tower, 2-molten bath, 3-uptake flue, the side-blown jet pipe of 4-, 5-slag-drip opening.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " on ", D score,
Orientation or the position relationship of the instruction such as "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description rather than instruction
Hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be not understood that
For to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicate
Or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on can being understood by concrete condition
State term concrete meaning in this utility model.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
A kind of Flash Smelting Furnace with side-blowing bath section, as shown in Fig. 3-12, including reaction tower 1, reaction tower 1 is provided with feed
Device, reaction tower 1 bottom is provided with at least one molten bath 2, and each molten bath 2 is equipped with the inner width side-blowing bath section less than 3 meters, side-blown
The side of molten bath section is provided with side-blown layout, and molten bath 2 is provided with slag-drip opening 5, and side-blowing bath section is positioned at slag-drip opening 5 and reaction tower 1
Between；Flash Smelting Furnace also includes the uptake flue 3 for discharging produced flue gas in course of reaction, uptake flue 3 by molten bath 2 with
Described reaction tower 1 is connected.
The work process of this example:
Burning ore deposit breeze to be smelted, reducing gas is sprayed into (such as CO or H in reaction tower 12) maybe can make reducing gases
The reactant (such as oxygen and fine coal) of body and flux (participation slag making), breeze red-hot at high temperature, be full of reducing atmosphere reaction
In tower 1, by quickly heat transfer, mass transfer and gas-solid, gas-liquid reaction, it is quickly completed the reduction wherein treating metal smelting oxide
And fusing.
The melt completing chemical reaction in reaction tower 1 falls into the molten bath 2 of Flash Smelting Furnace bottom, and side, molten bath 2 is provided with side-blown
Arrange, be molten bath additional heat by side-blown fuel and oxygen, make molten bath 2 maintain certain hot environment.
In molten bath, it is particularly provided with inner width is less than 3 meters of side-blowing bath sections, when melt flows through side-blowing bath section, by side-blown
Injected fuel and oxygen-containing gas in melt, distinguish coal injection and oxygen, for side-blowing bath in molten slag layer in the present embodiment
Section provides heat and maintains the reducing environment in molten bath, makes molten slag layer rolling or convection current simultaneously, accelerates upper and lower interlayer heat and material
Exchange, promote quickly the carrying out, so that the metal-oxide not being completely reduced in reaction tower 1 is side-blown of chemical reaction
Molten bath section completes reduction.The design of the side-blowing bath section less than 3 meters, even if making each position central part of side-blowing bath section
Position can also be directly influenced by side-blown, thus eliminates dead angle, improves percent reduction and the response rate treating metal smelting, reduces
The overall viscosity of melt in molten bath 2.
In molten bath 2, the gangue content in breeze and flux slag making, through the reduction melting of side-blowing bath section and clarification
After, the metal being reduced out and slag precipitated and separated, owing to density variation forms slag blanket and crude metal layer, slag is from molten bath end
Slag-drip opening discharge.Enter flue gas after the low boiling Metal gasification being reduced out and flow out stove from uptake flue 3, follow-up lead to
The mode crossing condensation reclaims.
The Flash Smelting Furnace with side-blowing bath section that this utility model provides is applied to the smelting of manganese oxide ore, and this is first
Flash Smelting Furnace innovation and application in producing manganese alloy, concrete smelting process is as follows:
1) Flash Smelting Furnace Design:
A diameter of 4 meters of reaction tower, high 7 meters, molten bath overall length 20 meters, as shown in figure 11, wherein side-blown molten less than 3 meters of inner width
Pond segment length is 12 meters, in side-blowing bath section end a width of 1.2 meters, year milling capacity 1,200,000 tons.
2) raw material prepares:
Dioxide ore for manganese (pyrolusite or psilomelane, manganese content is more than 25%) after beneficiation enrichment, dries to moisture content
0.3%, ore grinding makes 80% granule less than 200 mesh；Fine coal is divided into two kinds, and one sprays into Flash Smelting Furnace for making from reaction tower top
Gas, this fine coal must carry out coal-grinding and dried so that it is water content less than 1%, granularity account for 85% less than 200 mesh, another kind of use
Use in side-blown winding-up, it is not necessary to through the driest, granularity is 5mm-8mm；Flux is quick lime, and granularity is less than 1mm, water content
Less than 1%.
3) fusion process:
Manganese dioxide fine ore, fine coal, oxygen-enriched, flux CaO spray into reaction tower from flash furnace reaction tower top jet nozzle, fine coal with
Oxygen reaction produces CO and a small amount of H2And providing heat for reaction tower space, the temperature of reaction tower is 1200-1450 DEG C, red-hot
The space in reducing atmosphere in, there is reduction reaction in the manganese dioxide in breeze and CO, generates MnO, the ferrum oxide in breeze
Also FeO at a low price and part metals Fe it are reduced into.
The main reaction in reaction tower space is as follows:
2C+O2=2CO
4MnO2+ 2CO=2Mn2O3+2CO2
3Mn2O3+ CO=2Mn3O4+CO2
Mn3O4+ CO=3MnO+CO2
3Fe2O3+ CO=2Fe3O4+CO2
Fe3O4+ CO=3FeO+CO2
FeO+CO=Fe+CO2
In space, reacted melt falls into molten bath, due to the more difficult reduction of MnO, can only be carried out also by carbon sequestration in molten bath
Former, when melt flows through side-blowing bath section, (technique oxygen concentration is to spray into oxygen and coal dust by side-blown jet pipe to melt
99.6%, coal dust excess), it is on the one hand molten bath additional heat, makes molten bath maintain the high temperature of 1450 DEG C-1650 DEG C, make to melt simultaneously
Pond 2 forms strong reducing environment；On the other hand, by the side-blown layout to slag blanket bottom injection coal oxygen, slag blanket can be made to roll, accelerate
The heat exchange of the upper and lower interlayer of melt, makes manganese and iron oxides can be fully contacted with carbonaceous reducing agent, even if at center, molten bath simultaneously
Position heat and reducing agent are the most sufficient, so that MnO and FeO is reduced by C thoroughly.
In molten bath, the gangue content in breeze and flux slag making, due to the difference of density, the metal of the liquid after reduction
Flowing to bottom molten bath, and after slag precipitated and separated, form slag blanket and carbon-manganese alloy layer the most respectively, slag is through side-blown
After the section melting of molten bath, discharging out of the furnace from the end slag-drip opening 5 in molten bath, metal alloy obtains high carbon ferromanganese, manganese after molten bath is discharged
The response rate reach more than 95%, the comprehensive energy consumption of unit product be less than 850kgce/t, relative to current manganese oxide ore blast furnace or ore deposit
Hot stove (electric furnace) smelting process manganese recovery ratio less than 90%, the comprehensive energy consumption higher than 1000kgce/t, at organic efficiency and energy
Consumption index aspect has obtained bigger lifting.
The main chemical reactions that molten bath occurs is as follows:
C+O2=CO2
CO2+ C=2CO
MnO·SiO2+ CaO=CaO SiO2+MnO
FeO+C=Fe+CO
3MnO+4C=Mn3C+3CO
4) in the flash smelting technique of manganese oxide ore, if being not added with flux or adding flux less, then can be given birth to by above-mentioned flow process
Producing phosphorous low Mn-rich slag, Mn-rich slag can be used for subsequent production silicomangan or manganese metal.
If adding Silicon stone in the feed, improve the temperature in molten bath to more than 1665 DEG C (SiO simultaneously2Start by C in this temperature
It is reduced into Si), then can use this Flash Smelting Furnace to be directly produced silicomangan, react as follows:
SiO2+ 2C=Si+2CO
Mn3C+3Si=3MnSi+C
Uptake flue 3 number is consistent, as shown in figs9-12 with molten bath 2 number.
The a length of 8-20 rice of side-blowing bath section.
Side-blowing bath section is cuboid, as shown in Fig. 3-5 and Fig. 9-10.Preferably, interior a width of 1.5-of side-blowing bath section
2.5 meters, within the range, side-blowing bath section both sides spray gun can go deep into 0.3-1.1 rice in stove as required, and joint effect is to molten
The region at center, pond, avoids again spray gun deeply to cross simultaneously and deeply the melt on limit, two side, molten bath cannot be applied effective influence, if
Side-blowing bath section width is narrow, can affect the bearing capacity to melt, then need to increase the number in molten bath, increase investment.
The inner width in molten bath 2 is gradually decrease to 1 meter by reaction tower 1 end to far-end, as shown in figs 6-8, so that melt and cigarette
Gas velocity can be mild change, reduce impact on smelting process.
The number in molten bath 2 is 1-4.
Side-blown layout includes the side-blown hole being symmetricly set on side-blowing bath section and the side-blown jet pipe 4 being arranged in side-blown hole.
Side-blown layout position is corresponding with molten slag layer in side-blowing bath section, in order to make described side-blown layout to described side-blown
Winding-up oxygen-containing gas and fuel in the section molten slag layer of molten bath, make slag rolling or convection current, promote heat in melt exchange transmission and
Chemical reaction in molten slag layer, improves the response rate of metal.
Each molten bath 2 sprays into the side-blown layout of fuel and oxygen-containing gas in being all provided with oriented molten bath 2.Fuel can be heavy oil, sky
So one in air-liquid liquefied oil gas, coal, nut coke or hydrocarbon gas；Oxygen-containing gas is air, oxygen-air mixing
One in thing or technique oxygen.
On molten bath 2 or uptake flue 3 sidewall is provided with air port.Oxygen-containing gas (air, oxygen-air mixture or technique
Oxygen) spray into the connection flue on bath surface top by air port and make reducing gas (CO, H2) second-time burning, on the one hand mend for molten bath
Fill heat, on the other hand reduce the content of CO in tail gas.Oxygen-containing gas and flue gas is sprayed into by the air port arranged on flue 3 sidewall
In reducing gas burn, on the one hand can avoid owing to flue gas temperature in flow process declines the flue dust bonding caused
Blocking flue, another effect is to burn the CO in tail gas, reduces follow-up fume treatment operation.
Charging gear is nozzle or nozzle, burner or burner and nozzle, the combination of spray gun.By being arranged on reaction tower top
Nozzle and/or spray gun add to Flash Smelting Furnace and smelt necessary raw material, fuel and auxiliary material, it is possible to simultaneously on reaction tower
Burner is set, when flash furnace heat deficiency, is additional heat in reaction tower 1 space by burner.
Uptake flue 3 is positioned close to the top, molten bath 2 of side-blowing bath section porch, and flue gas is without side-blowing bath Duan Zhi
Tap into into flue, thus avoid owing to the change of side-blowing bath section pool width causes the fluctuation of flue gas flow rate of coming out of the stove, such as Figure 11
Shown in.
Reaction tower 1 connects gas transport line, in order to from the outside reacting gas introduced of Flash Smelting Furnace and the heat carried thereof
Amount can be fed directly in stove.Described reacting gas is containing CO, H2Or one or more in hydrocarbon gas；Preferably
, by the waste gas containing reducing atmosphere or the coal gas that produced of coal gas device of commercial production discharge；It is furthermore preferred that be blast furnace coal
One or more in gas, coal gas of converter, coke-stove gas, tail gas from electric furnace, rotary kiln exhaust gas, rotary hearth furnace tail gas.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (11)
1. the Flash Smelting Furnace with side-blowing bath section, it is characterised in that: include that reaction tower (1), described reaction tower (1) are provided with
Charging gear, described reaction tower (1) bottom is provided with at least one molten bath (2), each described molten bath (2) is equipped with inner width less than 3
The side-blowing bath section of rice, the side of described side-blowing bath section is provided with side-blown layout, described molten bath (2) is provided with slag-drip opening (5),
Described side-blowing bath section is positioned between described slag-drip opening (5) and described reaction tower (1)；Described Flash Smelting Furnace also includes uptake flue
(3), described uptake flue (3) is connected with described reaction tower (1) by described molten bath (2).
Flash Smelting Furnace with side-blowing bath section the most according to claim 1, it is characterised in that: described side-blowing bath Duan Weichang
Cube.
Flash Smelting Furnace with side-blowing bath section the most according to claim 1, it is characterised in that: the inner width of described molten bath (2)
It is gradually decrease to less than 3 meters and not less than 1 meter to far-end by described reaction tower (1) end.
4. according to the Flash Smelting Furnace with side-blowing bath section described in any one of claim 1-3, it is characterised in that: described molten bath
(2) number is 1-4.
Flash Smelting Furnace with side-blowing bath section the most according to claim 4, it is characterised in that: it is right that described side-blown layout includes
Claim the side-blown hole being arranged on described side-blowing bath section and the side-blown jet pipe (4) being arranged in side-blown hole.
Flash Smelting Furnace with side-blowing bath section the most according to claim 1, it is characterised in that: described side-blown layout institute is in place
Put corresponding with molten slag layer in described side-blowing bath section.
Flash Smelting Furnace with side-blowing bath section the most according to claim 1, it is characterised in that: described molten bath (2) upper or on
Rise flue (3) sidewall and be provided with air port.
Flash Smelting Furnace with side-blowing bath section the most according to claim 1, it is characterised in that: it is characterized in that: described to
Material device is nozzle, or described charging gear is nozzle and burner, or described charging gear is burner and nozzle, spray gun
In conjunction with.
Flash Smelting Furnace with side-blowing bath section the most according to claim 1, it is characterised in that: described uptake flue (3) sets
Put on molten bath (2) top near described side-blowing bath section porch.
Flash Smelting Furnace with side-blowing bath section the most according to claim 1, it is characterised in that: described reaction tower connects on (1)
It is connected to gas transport line.
11. Flash Smelting Furnaces with side-blowing bath section according to claim 2, it is characterised in that: described side-blowing bath section
Interior a width of 1.5-2.5 rice.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716423A (en) * | 2016-04-28 | 2016-06-29 | 天津闪速炼铁技术有限公司 | Flash furnace with side blowing molten pool segments |
| WO2017185859A1 (en) * | 2016-04-28 | 2017-11-02 | 天津闪速炼铁技术有限公司 | Skyflash furnace |
-
2016
- 2016-04-28 CN CN201620387022.2U patent/CN205710869U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716423A (en) * | 2016-04-28 | 2016-06-29 | 天津闪速炼铁技术有限公司 | Flash furnace with side blowing molten pool segments |
| WO2017185859A1 (en) * | 2016-04-28 | 2017-11-02 | 天津闪速炼铁技术有限公司 | Skyflash furnace |
| WO2017185857A1 (en) * | 2016-04-28 | 2017-11-02 | 天津闪速炼铁技术有限公司 | Flash furnace having side-blown molten pool sections |
| CN105716423B (en) * | 2016-04-28 | 2017-12-26 | 天津闪速炼铁技术有限公司 | A kind of Flash Smelting Furnace with side-blowing bath section |
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