CN205710868U - A kind of sky dodges stove - Google Patents
A kind of sky dodges stove Download PDFInfo
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- CN205710868U CN205710868U CN201620383054.5U CN201620383054U CN205710868U CN 205710868 U CN205710868 U CN 205710868U CN 201620383054 U CN201620383054 U CN 201620383054U CN 205710868 U CN205710868 U CN 205710868U
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Abstract
This utility model provides a kind of sky and dodges stove, including reaction tower and in reaction tower charging charging gear, reaction tower connect have vaporizer, reaction tower bottom to be provided with at least one molten bath, being equipped with the inner width side-blowing bath section less than 3 meters on each molten bath, the side of side-blowing bath section is provided with side-blown layout；It sudden strain of a muscle stove also includes that flue is connected with reaction tower by molten bath for discharging the flue of produced flue gas in course of reaction.Sky described in the utility model dodges stove and on the one hand can produce the reducing gas of high concentration in vaporizer and provide the heat needed for the smelting of space, ensures that in reaction tower, the reduction reaction in the burning ore deposit of floating whereabouts can be carried out fast and effectively；On the other hand make each position in molten bath to be blown through by the setting of side-blowing bath section, for molten bath additional heat and offer reducing agent, complete residue in oxide ore and treat the reduction of metal smelting oxide.
Description
Technical field
This utility model belongs to field of metallurgy, especially relates to a kind of sky and dodges stove.
Background technology
Flash is metallurgical to be served only for the smelting of metal sulfide, is also not applied to the smelting of oxide ore from invention till now,
As a example by copper sulfurized ore flash smelting, Flash Microcontroller technique is through concentrate burner and richness by dried powdery copper sulfide concentrate
Oxygen air sprays into Flash Smelting Furnace after being sufficiently mixed, and carries out thermal dissociation and oxidation reaction, make part in copper concentrate in pyroreaction tower
Ferrum oxidation slag making 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, only need to spray into oxygen-containing gas.
Tradition Alto elder brother general sulphide ore Flash Smelting Furnace structural representation as it is shown in figure 1, generalized section as shown in Figure 2.
Traditional sulphide ore Flash Smelting Furnace is when design, and the top inner width in molten bath is that the internal diameter according to reaction tower determines, and one
As for reaction tower internal diameter plus 1-2 rice, the reaction tower internal diameter of existing Flash Smelting Furnace is both greater than 3 meters, namely sulphide ore Flash Smelting Furnace
The inner width in molten bath must be more than 4 meters.Conventional vulcanized ore deposit Flash Smelting Furnace schematic top plan view is as shown in Figure 3.
The conventional method of burning mining and metallurgy refining is at high temperature to use reducing agent reduction metal-oxide therein, thus
Burning ore deposit is according to flash smelting technique, the then heat needed for must providing reducing agent for reaction tower space and molten bath and smelt
Amount, wherein, reaction tower space must be prepared in advance smelt needed for temperature and reducing atmosphere, molten bath is also required to maintain certain temperature
Degree and reducing environment.For the smelting in burning ore deposit, if continuing to use traditional metal sulfide Flash Smelting Furnace and Flash Smelting technique,
Then cannot provide reducing condition for mineral, namely traditional metal sulfide Flash Smelting Furnace and Flash Smelting technique cannot metal smeltings
Oxide ore.
Summary of the invention
In view of this, this utility model is directed to a kind of sky and dodges stove, cannot smelt oxidation solving existing Flash Smelting Furnace
The problem in ore deposit.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of sky dodges stove, including reaction tower 1 and in described reaction tower 1 charging gear of charging, described reaction tower 1 connects
There are vaporizer 5, described reaction tower 1 bottom to be provided with at least one molten bath 2, each described molten bath 2 is provided with slag-drip opening, each described
Being equipped with the inner width side-blowing bath section less than 3 meters on molten bath 2, the side of described side-blowing bath section is provided with side-blown layout；Described sky
Dodge stove and also include the flue 3 for discharging produced flue gas in course of reaction, described flue 3 pass through described molten bath 2 and described instead
Tower 1 is answered to connect.
Preferably, described flue 3 number is consistent with described molten bath 2 number.
Preferably, a length of 8-20 rice of described side-blowing bath section.So that melt can have sufficiently long time and distance to enter
Row reduction and clarified separation, to improve metal recovery rate.
Preferably, described side-blowing bath section is cuboid；Preferably, interior a width of 1.5-2.5 rice of side-blowing bath section.
Preferably, described molten bath 2 is gradually decrease to less than 3 meters to described flue 3 end inner width by described reaction tower 1 end.With
Just the flow velocity of melt does not haves sudden change, the side-blowing bath section flowing to less than 3 meters that energy is mild.
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.
Further, the number in described molten bath 2 is 1-4.Owing to the inner width of side-blowing bath section is less than 3 meters, single molten bath
Volume little compared with traditional flash stove, molten bath ability need with reaction tower feed and space smelting ability match, as required may be used
Multiple molten bath is set.
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.Side-blown for bath smelting offer reducing agent and heat.
Preferably, described side-blown layout position is corresponding with molten slag layer in described side-blowing bath section, in order to make described side
Blowing layout and spray into material in described side-blowing bath section molten slag layer, described material is oxygen-containing gas and carbon-containing fuel, oxygenous
Body is the one in air, oxygen-air mixture or technique oxygen, carbon-containing fuel be heavy oil, natural gas, liquefied petroleum gas,
One in coal, nut coke, hydrocarbon gas, side-blown to slag blanket makes the upper and lower interlayer of slag form rolling or convection current, it is simple to
The heat of the upper and lower interlayer of slag and mass exchange, reduce the viscosity of the flowing of slag, improves the response rate of metal.By controlling side
Blow and spray into coal oxygen amount and coal oxygen ratio, temperature and the reducing power in molten bath can be regulated and controled, the temperature making molten bath can in 1800 DEG C
Adjust, form the high temperature reduction environment that a metallurgical performance is good.
Further, described vaporizer 5 is positioned at reaction tower 1 top.Air-flow so can be made to enter from reaction tower 1 top
It sudden strain of a muscle stove, making entrance sky dodge the breeze in stove and reducing atmosphere has longer time of contact in sky dodges stove, thus improves and treat
The percent reduction of metal smelting oxide.Needed for vaporizer 5 is used for dodging stove production reducibility gas for sky and providing space to smelt
Heat.
Further, oxygen-containing gas and the spray of gas making raw material are sprayed in described vaporizer 5 arranging oriented described vaporizer 5
Rifle or jet pipe.Spray gun or jet pipe are arranged on vaporizer 5, and penetrate vaporizer 5 inwall, stretch in vaporizer 5.Spray gun or jet pipe
In order to spray into oxygen-containing gas and gas making raw material in vaporizer 5 such as: coal dust, water-coal-slurry, steam, natural gas, fuel oil, methane,
, there is quick chemical reaction by oxygen and gas making raw material in the combination of one or more in acetylene, methanol in vaporizer, system
Make the reducibility gas of high concentration and provide heat for reaction tower.From large-scale industrial production fuel obtain source and cost
Angle considers, uses oxygen and coal gasification to generate reducing gas (CO+H in China2) it is a kind of most economical scheme.Spray gun or spray
Guan Kewei single channel or multichannel, can only a kind of raw material of winding-up, multichannel spray gun or jet pipe also can be jetted plurality of raw materials simultaneously.Gas
Changing the air pressure in room 5 can be more than or equal to the pressure of reaction tower 1, and preferably condition of high voltage, by building an independent high temperature
High-pressure gasified space, makes gasified raw material can be good at gasification, thus improves effective reducing gases (CO+H2) concentration.This practicality
Novel described sky is dodged stove and is i.e. achieved the function of gas making and heat supply by a single parts vaporizer, relative to existing smelting
Gold industry some will tail gas reform after return again to as the technique smelting gas, compact conformation, technological process is simple, disposably throws
Providing little, energy consumption is low, produces and maintenance cost is low.
Further, described charging gear is positioned on described reaction tower 1.Described charging gear is that nozzle, spray gun, sealing add
One or more in material mouth；Or it is the combination of one or more in nozzle, spray gun, sealing charge door and burner.Pass through
Nozzle or spray gun are set or seal charge door and dodge stove to sky and add and smelt necessary raw material, fuel and auxiliary material, if desired,
Can be additional heat in reaction tower 1 space by burner.
Further, described molten bath 2 or flue 3 are provided with gas leading-in device.Gas leading-in device is spray gun or drum
Wind apparatus.Top, molten bath or sidewall arrange some spray guns or air-blast device, it may be necessary to jet oxygen-containing gas and pass through
Above molten bath, the reducing gas of flue burns, and can be on the one hand molten bath additional heat, on the other hand burns reducing gas,
Reduce the follow-up vent gas treatment operation for reducing gas.Spray gun is set on flue 3 or air-blast device also has a similar effect, one
Aspect prevents flue-gas temperature from declining and causes flue dust felt jam flue, on the other hand can consume reducing gas, remove from follow-up
Processing links.
Further, described side-blowing bath section is positioned between slag-drip opening and reaction tower 1.So that slag is through side-blowing bath section
Fully reduction and precipitation after discharge again, improve the response rate treating metal smelting.
Relative to prior art, sky described in the utility model dodges stove and has the advantage that
Sky described in the utility model dodges stove and arranges the way of vaporizer, and conventional vulcanized ore deposit Flash Smelting Furnace does not has.
If using the way of traditional flash stove, fuel, oxygen, flux are sprayed into the reaction tower space in tiny structure together with breeze,
Even if not considering the interference to coal gasification course of the material such as breeze, flux, under conditions of optimum, the effective reducing gases produced
(CO+H2) volume ratio of composition is not over 73%, according to metallurgical thermodynamics, under the high temperature more than 1000 DEG C, above-mentioned also
The concentration of Primordial Qi atmosphere is not enough to effectively reduce some metal-oxide, such as FeO and ZnO.Sky described in the utility model dodges stove handle
Fuel and oxygen spray into vaporizer, generate reducing gas and heat that space melting needs, carry heat in vaporizer
Reducing gas enters back into reaction tower space, is sufficiently mixed with breeze, completes reduction melting.By gasification described in the utility model
Reduction effective gas (CO+H that room provides for reaction tower2) component volume ratio reaches as high as 95%, temperature reaches as high as 1600 DEG C.
Vaporizer compact conformation described in the utility model, achieves with single equipment and to dodge heat supply in stove, supply to sky
Function, relative to the most existing tail gas is reformed after return again to as the metallurgical technology smelting gas, it is to avoid high temperature
Gas thermal loss in distance transport process and the loss (conveying of the high-temperature tail gas of more than 1000 DEG C to transmission pipeline
Requirement to pipeline material is higher, and piping cost is high, the life-span is short)；Simultaneously as need not auxiliary device (as tail gas cracking turns
Change equipment, gas pressurized conveying equipment etc.), greatly reduce one-time investment, also make the fault rate of complete equipment greatly drop
Low, thus reduce equipment cost and maintenance cost；Additionally, vaporizer gas making principle described in the utility model is simple, use
Gas making raw material (such as coal dust) and oxygen carry out simple chemical reaction and can realize, without by the side of other complex and expensive
Formula (as plasma electric from etc.) carry out gas making or gas and convert, greatly reduce production and use cost.Described in the utility model
Vaporizer achieve the miniaturization of equipment, lightweight, invest little, safeguard and use cost low, taking full advantage of gasification produce
Heat, energy-saving and cost-reducing.
The sky that this utility model provides dodges the molten bath of stove and is provided with the inner width side-blowing bath section less than 3m, and the inner width in molten bath is little
In the way of reaction tower diameter, the design principle molten bath inner width having overturned traditional flash stove must be more than the straight of reaction tower
Footpath.The molten bath inner width of traditional Flash Smelting Furnace is all higher than 4 meters, and according to practical experience, by institute by the way of both sides, molten bath are side-blown
The scope that can have influence on, its footpath is 3 meters deeply to the maximum, if thus be that molten bath provides heat and reducing agent by side-blown mode, then melt
Centre, pond cannot be affected, and melt viscosity can be caused big, and metal percent reduction is low；So, the traditional flash stove type of furnace with
When the smelting in burning ore deposit, the design of its molten bath must change, within inner width must be limited in 3 meters.This utility model is provided with
The inner width side-blowing bath section less than 3 meters, makes each position in molten bath can be directly affected by side-blown, and particularly centre can
To be blown through, so that molten bath forms the liquid melts reducing environment of good fluidity, both improved slag, and improve again and treat smelting
The percent reduction that gold metallurgy belongs to.
Sky described in the utility model dodges stove and on the one hand can manufacture the reducing gas of high concentration in vaporizer and provide
Heat required for the smelting of space, ensures that in reaction tower, the reduction reaction in the burning ore deposit of floating whereabouts can be entered fast and effectively
OK；On the other hand make each position in molten bath to be blown through by the setting of side-blowing bath section, for molten bath additional heat with carry
For reducing agent, complete residue in oxide ore and treat the reduction of metal smelting oxide.
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 conventional vulcanized ore deposit Flash Smelting Furnace；
Fig. 2 is the generalized section of Fig. 1；
Fig. 3 is the layout structure schematic diagram of conventional vulcanized ore deposit Flash Smelting Furnace；
Fig. 4 is a kind of structural representation that the sky described in this utility model embodiment dodges stove；
Fig. 5 is the plan structure schematic diagram of Fig. 4；
Fig. 6 is the second structural representation that the sky described in this utility model embodiment dodges stove；
Fig. 7 is the third structural representation that the sky described in this utility model embodiment dodges stove；
Fig. 8 is the 4th kind of structural representation that the sky described in this utility model embodiment dodges stove；
Fig. 9 is the 5th kind of structural representation that the sky described in this utility model embodiment dodges stove；
Figure 10 is the 6th kind of structural representation that the sky described in this utility model embodiment dodges stove；
Figure 11 is the 7th kind of structural representation that the sky described in this utility model embodiment dodges stove；
Figure 12 is the 8th kind of structural representation that the sky described in this utility model embodiment dodges stove；
Figure 13 is the 9th kind of structural representation that the sky described in this utility model embodiment dodges stove.
Description of reference numerals:
1-reaction tower, 2-molten bath, 3-flue, the side-blown jet pipe of 4-, 5-vaporizer.
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 sky dodges stove, as shown in Fig. 4-13, including reaction tower 1 and in reaction tower 1 charging gear of charging, reaction tower
1 connection has vaporizer 5, reaction tower 1 bottom to be provided with at least one molten bath 2, and each described molten bath 2 is provided with slag-drip opening, deslagging
Mouth does not marks in Fig. 4-13, and each molten bath 2 is equipped with the inner width side-blowing bath section less than 3 meters, and the side of side-blowing bath section sets
There is side-blown layout；It sudden strain of a muscle stove also includes that the flue 3 for discharging produced flue gas in course of reaction, flue 3 pass through molten bath 2 with anti-
Tower 1 is answered to be connected.
The work process of this example: coal dust and technique oxygen (oxygen-containing 98%) that water content is less than 1% spray into vaporizer 5
In, manufacture reducing gas for reaction tower 1 and the heat required for the smelting of space is provided, in reaction tower 1, spraying into dry oxidation
Breeze material and flux, in the reaction tower 1 of red-hot at high temperature, the full reducing atmosphere of oxide ore powder, by quickly heat transfer, mass transfer
With gas-solid, gas-liquid reaction, breeze being treated, metal smelting oxide is reduced rapidly and melts；Reacted melt drops to
In molten bath 2, molten bath 2 is provided with side-blowing bath section, by side-blown difference coal injection and oxygen in the slag blanket of melt, for molten bath
2 provide heats also to make melt produce rolling, make molten bath 2 keep strong reducing environment simultaneously, remaining treat that metal smelting oxide is thorough
The end complete in molten bath 2 reduction.In molten bath 2, the gangue content slag making in flux and breeze, slag and the liquid being reduced out
State metal is precipitated and separated in molten bath 2, forms slag blanket and crude metal layer, then slag and crude metal is discharged in molten bath 2, instead respectively
The flue gas that should produce discharges out of the furnace from flue 3.Vaporizer 5 reducing gas and the heat that can provide high concentration for reaction tower 1 is set
Amount, improves the reduction rate treating metal smelting oxide fallen in reaction tower 1 and percent reduction, thus reduces smelting cost.
The setting of the inner width side-blowing bath section less than 3 meters can make each position of melt therethrough all be directly affected, particularly
Centre can be blown through, and then for providing reducing agent and heat in molten bath 2.
The sky provided by this utility model dodges stove and applies in the smelting of ferrum, dodges furnace reaction tower top in sky and is provided with vaporizer
5, the outlet diameter of vaporizer 5 is about the 1/3 of reaction tower 1 diameter, and vaporizer 5 outer wall selects double-layer plate, middle logical cooling
Water, inwall block refractory brick, the ash that cooling water is formed in Quench wall, beneficially coal forms dross at inwall, protects furnace wall.Gasification
Room 5 is provided with four spray guns on sidewall, and fine coal, oxygen (can add steam) spray in vaporizer 5 from spray gun, in vaporizer 5
Fine coal burns rapidly and gasifies, generate temperature be 1350 DEG C, gas concentration be 90% reduction air-flow (CO+H2), reduction air-flow
Exporting from vaporizer 5 at a high speed sprays in reaction tower 1.
It is provided with material inlet in the lower end of vaporizer 5, by the material inlet of double-channel structure, is separately added into iron ore concentrate and melts
Agent, iron ore concentrate is general ore dressing plant product out, and granularity accounts for 80% (number mark) below 200 mesh, dries extremely
Moisture content 0.3% (mass fraction).Flux is limestone, and containing CaCO3 more than 90% (mass fraction), granularity is less than 1mm, dry
Dry to aqueous it is less than 1% (mass fraction).Iron ore concentrate, by oxygen-enriched pressurization, sprays into reaction tower 1 from material inlet, and iron ore concentrate is in spray
Go out material inlet moment, i.e. the reducing gas with vaporizer 5 ejection is sufficiently mixed, and declines in afloat, is promptly being added
While heat to about 1200 DEG C, the high price iron oxides in fine iron breeze is reduced into iron oxides and part metals ferrum at a low price,
And descend slowly and lightly in the molten bath 2 of reaction tower 1 bottom.
(technique oxygen concentration is 99.6%, powder to spray into oxygen and fine coal by side-blown jet pipe to the side-blowing bath section less than 3m
Coal particle size is 5mm-8mm), for molten bath 2 additional heat and reducing agent, and make the high temperature reduction that molten bath 2 forms 1300 DEG C-1600 DEG C
Environment.
In molten bath 2, the stone-like pulse in breeze and the flux slag making of addition, side-blown position is slag blanket bottom, can make melt
Rolling, promotes that the heat of upper and lower interlayer exchanges, makes the FeO of the more difficult reduction in slag blanket be fully contacted with carbonaceous reducing agent simultaneously, make
FeO is reduced into metal Fe the most completely.Due to proportion, the molten drop after reduction flows to bottom molten bath 2, forms ferrum
Water layer, slag, after the reduction and precipitation of side-blowing bath section, forms slag blanket on molten iron layer top, and slag is finally from molten bath 2
Tail end slag-drip opening 5 discharge out of the furnace.
Use sky described in the utility model to dodge stove to smelt iron, fine iron breeze conduct that ore dressing plant provide be can be used directly
Raw material, fuel can compare traditional blast furnace iron-making process without coke, owing to eliminating the operations such as sintering, pelletizing and coking,
The comprehensive energy consumption of ton ferrum reduces by 30%, and gross investment reduces 50%, pollutes minimizing 90%.
According to an embodiment of the present utility model, flue 3 number is consistent, as shown in FIG. 12 and 13 with molten bath 2 number.
The a length of 8-20 rice of side-blowing bath section.
According to an embodiment of the present utility model, side-blowing bath section is cuboid, as shown in Fig. 4-8 and Figure 12-13.
Interior a width of 1.5-2.5 rice of cuboid side-blowing bath section.
According to an embodiment of the present utility model, molten bath 2 is gradually decrease to little by reaction tower 1 end to flue 3 end inner width
In 3 meters, as shown in figs. 9-11.
According to an embodiment of the present utility model, the number in molten bath 2 is 1-4.
According to an embodiment of the present utility model, side-blown hole that side-blown layout includes being symmetricly set on side-blowing bath section and
The side-blown jet pipe 4 being arranged in side-blown hole, as shown in Fig. 5-6 and Fig. 8-13.
According to an embodiment of the present utility model, described side-blown layout position and slag in described side-blowing bath section
Layer is corresponding, in order to making described side-blown layout spray into material in described side-blowing bath molten slag layer, material is oxygen-containing gas and carbon containing
Fuel, oxygen-containing gas is the one in air, oxygen-air mixture or technique oxygen, carbon-containing fuel be heavy oil, natural gas,
One in liquefied petroleum gas, coal, nut coke, hydrocarbon gas.
According to an embodiment of the present utility model, described vaporizer 5 is positioned at reaction tower 1 top, as shown in Figure 4.
According to an embodiment of the present utility model, in described vaporizer 5 arranges oriented vaporizer 5, spray into oxygen-containing gas
And the spray gun of gas making raw material or jet pipe, spray gun or jet pipe penetrate vaporizer 5 inwall, stretch in vaporizer 5, as shown in Figure 4.Spray gun
Or jet pipe is in order to spray into oxygen-containing gas and gas making raw material such as in vaporizer 5: coal dust, water-coal-slurry, steam, natural gas, combustion
The combination of one or more in oil, methane, acetylene, methanol, is used for manufacturing the reducibility gas of high concentration and providing for reaction tower
Heat, spray gun or jet pipe can be single channel or multichannel, and a kind of raw material of can only jetting, multichannel spray gun or jet pipe also can spray simultaneously
Blow plurality of raw materials.
According to an embodiment of the present utility model, described charging gear is positioned on described reaction tower 1.Described charging gear
For one or more in nozzle, spray gun, sealing charge door；Or it is one or more in nozzle, spray gun, sealing charge door
Combination with burner.By arranging nozzle or spray gun or sealing charge door to sky sudden strain of a muscle stove addition smelting necessary raw material, fuel
With auxiliary material, if desired, can be additional heat in reaction tower 1 space by burner.
According to an embodiment of the present utility model, described molten bath 2 or flue 3 are provided with gas leading-in device.Molten
Some spray guns or air-blast device are set on top, pond or sidewall, it may be necessary to winding-up oxygen-containing gas with by flue above molten bath
Reducing gas burn, on the one hand can be molten bath additional heat, another aspect burns reducing gas, reduce follow-up for
The vent gas treatment operation of reducing gas.Spray gun is set on flue 3 or air-blast device also has similar effect, on the one hand prevent flue gas
Temperature decline causes flue dust felt jam flue, on the other hand can consume reducing gas, remove follow-up processing links from.
According to an embodiment of the present utility model, described side-blowing bath section is positioned between slag-drip opening and reaction tower 1.So that
Slag discharges after the fully reduction and precipitation of side-blowing bath section again, thus improves the response rate treating metal smelting.
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 (13)
1. a sky dodges stove, it is characterised in that: include reaction tower (1) and the charging gear fed in described reaction tower (1), institute
Stating reaction tower (1) connection has vaporizer (5), described reaction tower (1) bottom to be provided with at least one molten bath (2), each described molten bath (2)
On be provided with slag-drip opening, each described molten bath (2) is equipped with inner width less than the side-blowing bath section of 3 meters, described side-blowing bath section
Side be provided with side-blown layout；Described sky dodge stove also include flue (3), described flue (3) by described molten bath (2) with described instead
Tower (1) is answered to connect.
Sky the most according to claim 1 dodges stove, it is characterised in that: described side-blowing bath section is cuboid.
Sky the most according to claim 1 dodges stove, it is characterised in that: the inner width of described molten bath (2) is held by described reaction tower (1)
It is gradually decrease to less than 3 meters to far-end.
4. dodge stove according to the sky described in any one of claim 1-3, it is characterised in that: the number of described molten bath (2) is 1-4.
Sky the most according to claim 1 dodges stove, it is characterised in that: described side-blown layout includes being symmetricly set on described side-blown
The side-blown hole of molten bath section and the side-blown jet pipe (4) being arranged in side-blown hole.
Sky the most according to claim 1 dodges stove, it is characterised in that: described vaporizer (5) is positioned at reaction tower (1) top.
Sky the most according to claim 1 dodges stove, it is characterised in that: oriented described vaporizer is set on described vaporizer (5)
(5) oxygen-containing gas and the spray gun of gas making raw material or jet pipe are sprayed in.
Sky the most according to claim 1 dodges stove, it is characterised in that: described charging gear is positioned on described reaction tower (1).
Sky the most according to claim 1 dodges stove, it is characterised in that: it is provided with gas on described molten bath (2) or flue (3) and leads
Enter device.
Sky the most according to claim 1 dodge stove, it is characterised in that: described side-blowing bath section be positioned at slag-drip opening with described instead
Answer between tower (1).
11. skies according to claim 2 dodge stove, it is characterised in that: interior a width of 1.5-2.5 rice of side-blowing bath section.
12. skies according to claim 3 dodge stove, it is characterised in that: the inner width of described molten bath (2) is by described reaction tower (1)
Hold and be gradually decrease to less than 3 meters and not less than 1 meter to far-end.
13. skies according to claim 5 dodge stove, it is characterised in that: described side-blown layout position is side-blown molten with described
In the section of pond, molten slag layer is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383054.5U CN205710868U (en) | 2016-04-28 | 2016-04-28 | A kind of sky dodges stove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383054.5U CN205710868U (en) | 2016-04-28 | 2016-04-28 | A kind of sky dodges stove |
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| CN205710868U true CN205710868U (en) | 2016-11-23 |
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| CN201620383054.5U Active CN205710868U (en) | 2016-04-28 | 2016-04-28 | A kind of sky dodges stove |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105755503A (en) * | 2016-04-28 | 2016-07-13 | 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 |
| US11459626B2 (en) | 2018-08-10 | 2022-10-04 | American Iron And Steel Institute | Flash ironmaking drop tube furnace system |
-
2016
- 2016-04-28 CN CN201620383054.5U patent/CN205710868U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105755503A (en) * | 2016-04-28 | 2016-07-13 | 天津闪速炼铁技术有限公司 | Skyflash furnace |
| 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 |
| US11459626B2 (en) | 2018-08-10 | 2022-10-04 | American Iron And Steel Institute | Flash ironmaking drop tube furnace system |
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