CN108179280A - Side-blown smelting furnace - Google Patents
Side-blown smelting furnace Download PDFInfo
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- CN108179280A CN108179280A CN201810153725.2A CN201810153725A CN108179280A CN 108179280 A CN108179280 A CN 108179280A CN 201810153725 A CN201810153725 A CN 201810153725A CN 108179280 A CN108179280 A CN 108179280A
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- Prior art keywords
- spray gun
- blown
- central tube
- smelting furnace
- tap hole
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0028—Smelting or converting
- C22B15/003—Bath smelting or converting
Abstract
The invention discloses side-blown smelting furnaces.The side-blown smelting furnace includes：Furnace body has multipair spray gun jack on the side wall of the furnace body, and each pair of spray gun jack is with respect to stagger setting；With multiple side-blown spray guns, the multiple side-blown spray gun is inserted into through the spray gun jack in the furnace body, and each side-blown spray gun is respectively provided with：Central tube；Fluid dividing cover, the fluid dividing cover are arranged on the exit of the central tube, have tap hole on the fluid dividing cover；Casing, described sleeve pipe are set in outside the central tube, and described sleeve pipe inner wall limits cooling medium accommodation space with the central tube outer wall；Medium pipeline is cooled down, the cooling medium pipeline is arranged in the cooling medium accommodation space.The melting bath stirring power of the side-blown smelting furnace is strong, low energy consumption, service life is long.
Description
Technical field
The present invention relates to field of metallurgy, and in particular, to side-blown smelting furnace.
Background technology
At present, bath smelting processing copper concentrate obtains copper matte regulus as advanced Copper making technique.In process of production, copper matte regulus
Grade can reach more than 60%.And due to gas jet power Shortcomings in fusion process so that side injection method
Limited for the mixing effect in molten bath, this significantly limits single stove processing capacity of side-blown converter, therefore furnace body size design is equal
It is smaller.In order to strengthen mixing effect, increase aerodynamic force, be more to increase injection oxygen rifle number and blowing gas outlet speed
Degree, and gas jet drives melt flows easily to generate splash in weld pool surface, high-temperature fusant sputters at furnace roof and furnace wall, causes
Furnace wall and floss hole refractory material are lossy, influence furnace body whole service life.
Melting bath stirring ability is strong as a result, the smelting furnace of service life length requires study.
Invention content
The present invention is directed at least solve one of technical problem in the prior art.For this purpose, one object of the present invention
It is to propose a kind of side-blown smelting furnace, the side-blown spray gun relative misalignment of the side-blown smelting furnace is set, and in the outlet of side-blown spray gun
Place's setting fluid dividing cover, the jet stream of ejecta from muzzle eject when, jet stream is split cover and is divided into multiply rotating jet, multiply rotation
Turn jet stream and influence each other with the molten bath melt that is stirred the pulsing jet generated to molten bath center flow, to the mixing effect in molten bath
It significantly increases.
According to an aspect of the present invention, the present invention provides a kind of side-blown smelting furnaces.The side-blown smelting furnace includes：Stove
Body has multipair spray gun jack on the side wall of the furnace body, and each pair of spray gun jack is with respect to stagger setting；With multiple sides
Rifle is blowed and sprayed, the multiple side-blown spray gun is inserted into through the spray gun jack in the furnace body, and each side-blown spray gun is respectively provided with：Central tube
Road；Fluid dividing cover, the fluid dividing cover are arranged on the exit of the central tube, have tap hole on the fluid dividing cover；Casing, institute
It states casing to be set in outside the central tube, and described sleeve pipe inner wall limits cooling medium with the central tube outer wall and accommodates
Space；Medium pipeline is cooled down, the cooling medium pipeline is arranged in the cooling medium accommodation space.
Side-blown smelting furnace according to embodiments of the present invention, side-blown spray gun is in course of injection, and ejecta is in central tube
The high-speed jet centered on central tube axis is formed, when being ejected from muzzle, by the exit of spray gun central tube
Fluid dividing cover is set, and central jet is split cover and is divided into multiply rotating jet, increases jet stream to stirring area, multiply rotary irradiating
It flows and the molten bath melt that is stirred influences each other the pulsing jet generated to molten bath center flow, jet stream is made to increase aerodynamic force
By force, then virtue of buoyancy effect moves upwards, and changes single bath movement mode, delays the time that jet stream flows up,
Ejecta residence time in molten bath extends, and carries out reaction more thorough so as to be significantly increased to the mixing effect in molten bath.
Meanwhile side-blown spray gun relative misalignment is set, and two strands of ejecta jet streams is avoided to generate power superposition, the agitation of molten bath center is supersaturated,
The problem of caused weld pool surface splash is serious.The melting bath stirring power of the side-blown smelting furnace is strong as a result, low energy consumption, uses the longevity
Life length.
In addition, side-blown smelting furnace according to the above embodiment of the present invention, can also have following additional technical characteristic：
According to an embodiment of the invention, the central tube is gradual-enlargement type Laval nozzle.
According to an embodiment of the invention, the tap hole includes：First tap hole, first tap hole are located at described point
At the center for flowing cover；Multiple second tap holes, the multiple second tap hole are uniformly distributed along the circumferential direction of first tap hole.
According to an embodiment of the invention, the tap hole includes：Multiple third tap holes, the multiple third tap hole edge
The circumferential direction of the fluid dividing cover is uniformly distributed.
According to an embodiment of the invention, the third tap hole is in Multi-layers distributing.
According to an embodiment of the invention, the central shaft of the fluid dividing cover and the central tube is in 80-85 degree angles.
According to an embodiment of the invention, cooling medium pipeline is a plurality of, and is uniformly distributed along the circumferential direction of the central tube.
According to an embodiment of the invention, which further comprises：Tilt adjustment valve, the tilt adjustment valve are set
It puts on the outer wall of described sleeve pipe.
According to an embodiment of the invention, the side wall of the side-blown spray gun and the furnace body is in 70-90 degree angles.
According to an embodiment of the invention, the height of the spray gun jack away from the bottom of furnace body is 0.8-1.2 meters.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Significantly and it is readily appreciated that, wherein：
Fig. 1 shows the structure diagram of side-blown smelting furnace according to an embodiment of the invention；
Fig. 2 shows the structure diagram of side-blown spray gun according to an embodiment of the invention；
Fig. 3 shows the partial structural diagram of side-blown spray gun according to an embodiment of the invention；
Fig. 4 shows the partial structural diagram of side-blown spray gun according to an embodiment of the invention；
Fig. 5 shows the partial structural diagram of side-blown spray gun according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " top ", " bottom " or position relationship are based on orientation shown in the drawings or position relationship, are only
The present invention rather than require the present invention therefore it is not intended that right with specific azimuth configuration and operation for ease of description
The limitation of the present invention.
It should be noted that term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be with
Express or implicitly include one or more this feature.Further, in the description of the present invention, unless otherwise saying
Bright, " multiple " are meant that two or more.
According to an aspect of the present invention, the present invention provides a kind of side-blown smelting furnaces.Side according to embodiments of the present invention
Furnace is blowed and fused, for side-blown spray gun in course of injection, ejecta forms the height centered on central tube axis in central tube
Rapid fire stream, when being ejected from muzzle, by setting fluid dividing cover in the exit of spray gun central tube, central jet is split cover point
Multiply rotating jet is cut into, jet stream is increased and influences each other to stirring area, multiply rotating jet with the molten bath melt being stirred
The pulsing jet to molten bath center flow is generated, jet stream is made to enhance aerodynamic force, then virtue of buoyancy effect moves upwards, and changes
Single bath movement mode, delays the time that jet stream flows up, and ejecta residence time in molten bath extends, and makes
Reaction carries out more thorough so as to be significantly increased to the mixing effect in molten bath.Meanwhile side-blown spray gun relative misalignment is set, and is avoided
The problem of two strands of ejecta jet streams generate power superposition, the agitation supersaturation of molten bath center, and caused weld pool surface splash is serious.By
This, the melting bath stirring power of the side-blown smelting furnace is strong, low energy consumption, service life is long.
With reference to figure 1, according to an embodiment of the invention, which is explained, the side-blown smelting furnace packet
It includes：
Furnace body 100：According to an embodiment of the invention, there is multipair spray gun jack 110, and every on the side wall of the furnace body 100
The opposite stagger setting to spray gun jack 110, in other words, that is, each pair of spray gun mutually staggers not to spray, spray gun is avoided to spray
Opposite project of two strands of jet streams penetrated generates power superposition, avoids the weld pool surface splash that the agitation supersaturation of molten bath center generates tight
Weight.
According to an embodiment of the invention, height of the spray gun jack 110 away from 100 bottom of furnace body is 0.8-1.2 meters.As a result,
The height of spray gun is suitable, and gun slot is in molten bath slag blanket middle and lower part, on the one hand good to the stirring effect of slag blanket, promotes oxygen and slag
Middle sulfide reaction, on the other hand reduces disturbance of the gas jet to bottom melt to the greatest extent, reduces Copper in Slag amount.If spray gun is inserted
The excessive height in hole, then spray gun be located at top or the higher of molten bath slag blanket, poor to the stirring effect of slag blanket, oxidation reaction is not filled
Point, and if the height of spray gun jack is too low, spray gun easily stretches into bottom melt, is unfavorable for the deposition of copper, and Copper in Slag amount is high.
Multiple side-blown spray guns 200：According to an embodiment of the invention, multiple side-blown spray guns 200 are inserted into stove through spray gun jack 110
In body 100, each side-blown spray gun 200 is respectively provided with：Central tube 210, fluid dividing cover 220, casing 230 and cooling medium pipeline 240.
For the ease of understanding the structure of the side-blown spray gun 200, with reference to figure 2 and 3, according to an embodiment of the invention, to side-blown
Spray gun 200 is explained：
Central tube 210：According to an embodiment of the invention, substance of the central tube 210 for spray gun conveying injection, if
The side-blown spray gun can convey oxygen rich gas as oxygen rifle, the then central tube 210, and in course of injection, oxygen rich gas is in
The high-speed pulse gas jet centered on central tube axis is formed in heart pipeline 210.
According to an embodiment of the invention, which is gradual-enlargement type Laval nozzle.Wherein, explanation is needed to being,
" gradual-enlargement type Laval nozzle " be to the first half of jet pipe be from large to small to middle shrinkage to a narrow larynx, after narrow larynx again by
Small become larger expands outwardly, and then, gas in jet pipe by high pressure flow nozzle first half, across narrow larynx after by latter half of ease
Go out, when being moved in jet pipe due to fluid, the small place's flow velocity in section is big, and section general goal flow velocity is small.Inventor uses gradual-enlargement type Bearing score
Pipeline centered on your jet pipe, makes the flow pattern of jet stream that ejecta is formed during passing through central tube more assemble, speed
It significantly improves, so as to stronger to the stirring power in molten bath.
Fluid dividing cover 220：According to an embodiment of the invention, the exit of the 220 centrally disposed pipeline 210 of fluid dividing cover, should
There is tap hole 221 on fluid dividing cover 220.Since side-blown gas jet mixing molten bath is readily formed stable flow field, for a long time
Stablize stirring for smelting deterioration of efficiency.By setting fluid dividing cover 220 in the exit of spray gun central tube 210, when
The pulsing jet of acceleration from muzzle eject when, the tap hole 221 that central jet is split cover is divided into multiply rotating jet, profit
It is influenced each other with multiple jets and generates Turning motion effect, constantly destroyed agitation jet-core region both sides solution and form steady flow condition,
Promote interparticle mutual collision so that oxygen comes into full contact with mineral aggregate to react, while discharges amount of heat supply molten bath, together
When, multiply rotating jet and the molten bath melt being stirred influence each other the pulsing jet generated to molten bath center flow, make jet stream
Aerodynamic force is enhanced, then virtue of buoyancy effect moves upwards, and changes single bath movement mode, it is upward to delay jet stream
The time of flowing, ejecta residence time in molten bath extend, and carry out reaction more thorough.And then by good dynamic
Chemical energy in mineral aggregate is effectively converted into thermal energy by mechanical condition, and the transformation efficiency of thermal energy significantly improves, reduces and smelted
Journey, to demand, reduces production cost, and the service life of extension amount furnace body uninterrupted working time and furnace body key position to fuel.
According to an embodiment of the invention, the set-up mode of tap hole 210 is not particularly limited, as long as being played to jet stream point
Stream acts on.
With reference to figure 3, according to an embodiment of the invention, tap hole 211 includes：First tap hole 212 and multiple second shuntings
Hole 213, wherein, the first tap hole 212 is located at the center of fluid dividing cover 220, and multiple second tap holes 213 are along the first tap hole
212 circumferential direction is uniformly distributed, that is to say, that multiple second tap holes 213 are uniformly distributed around the first tap hole 212.According to
Reaction to needing, the first tap hole 212 can based on tap hole, the aperture of the first tap hole 212 is big, passes through the jet stream in the hole
Flow is big.And the second tap hole 213 is relatively small, it is also relatively small to the flow of jet stream by the hole.Also, the first tap hole
212 and second the shape of tap hole 213 be not particularly limited, can be round, rectangular, oval and trapezoidal etc..In order to increase
The flow of the small jet stream of big second tap hole, the second tap hole 213 can be along the faces of the radial direction in the section of lance outlet
Product gradually increase makes to increase by the area of the jet stream of the cross section.
With reference to figure 4, according to an embodiment of the invention, tap hole 211 includes：Multiple third tap holes 214, multiple third
Tap hole 214 is uniformly distributed along the circumferential direction of fluid dividing cover 220.Multiple third tap holes 214 can be identical with size, can also size not
Together.
Further, with reference to figure 5, according to an embodiment of the invention, third tap hole 214 can also be in Multi-layers distributing.By
This, makes the jet stream in central tube be dispersed into more small jet streams, to molten bath to stirring area bigger, stirs more melts
Flowing solves the problem of that side-blown converter stirs insufficient furnace body and is difficult to scale up, while oxygen is come into full contact with melt, aoxidizes
Reaction is more thorough.
According to an embodiment of the invention, the central shaft of the fluid dividing cover 220 and central tube 210 is in 80-85 degree angles.By
This, extends flow distance of the jet stream in molten bath, slows down the impact force of bubble rising, effectively inhibits the generation of liquid level splash, protection
Top furnace wall, flue and the spray gun of furnace body are from the corrosion of the melt liquid splash.
Casing 230：According to an embodiment of the invention, which is set in outside central tube 210, and in the casing 230
Wall limits cooling medium accommodation space with 210 outer wall of central tube.Cooling media packs are in the outside of central tube as a result,
Prevent damage of the high temperature to central tube.
Cool down medium pipeline 240：According to an embodiment of the invention, which is arranged on cooling medium and holds
It receives in space.Cooling medium flows in medium pipeline is cooled down as a result, is maintained the cooling effect of central tube, extends spray gun
Service life.
According to an embodiment of the invention, cooling medium pipeline 240 is a plurality of, and is uniformly divided along the circumferential of central tube 210
Cloth, i.e., the cooling system and central tube that a plurality of cooling medium pipeline is formed are coaxial.Cooling effect is more preferable as a result,.
According to an embodiment of the invention, which further comprises：Tilt adjustment valve 250, the tilt adjustment valve 250
It is arranged on the outer wall of casing 230, which is used to adjust the angle of side-blown spray gun.If spray gun consolidates angle
Calmly, it is serious to be easy to cause weld pool surface splash, damage furnace lining position, single stove operating rate and converter life are affected.Due to
The side-blown spray gun of the embodiment of the present invention is strong to the stirring action in molten bath, and violent stirring action will make molten bath be in unstable shape
Under state, all there is many sourings to furnace lining, oxygen rifle head and flue, shorten the service life of furnace body and spray gun.
According to an embodiment of the invention, the side wall of side-blown spray gun 200 and furnace body 100 is in 70-90 degree angles.Thereby, it is possible to
Increase the distance that bubble moves upwards while reducing the power that gas jet is impacted upwards, can effectively inhibit the width of splash
Degree so that pool level fluctuation amplitude declines, and avoids the melt liquid in molten bath to the top furnace wall of furnace body, flue and spray gun
Corrosiveness.
According to an embodiment of the invention, which further comprises：Oxygen connection (not shown), the oxygen connect
Head is formed with the oxygen rich gas access road connected with central tube 100, and oxygen rich gas is conveyed into furnace body using side-blown spray gun.
Small with the intensity that reacts of the sulphur in mineral aggregate since the oxygen content in air is few, the shortage of heat of releasing is to maintain furnace body institute
Temperature is needed, a large amount of addition fuel is often needed, increases production cost.And oxygen rich gas is used, according to some embodiments of the present invention,
The oxygen content of oxygen rich gas is 90~95wt%, and oxygen-enriched air occurs to chemically react released heat with concentrate and rotation is rich
Heat that carrier of oxygen jet stream is released with gas fuel burning maintains, and reduces the extra fuel in smelting process, and reduction is produced into
This, extends the service life of furnace body uninterrupted working time and furnace body key position.
According to an embodiment of the invention, which further comprises：Medium connector (not shown) is cooled down, this is cold
But medium connector is formed with the cooling media inlet channel connected with cooling medium pipeline, is situated between for cooling medium pipeline conveying cooling
Matter.Medium is cooled down by conveying as a result, cooling medium is promoted to cool down medium pipeline cycle, cooling effect is more preferable.
Below with reference to specific embodiment, the present invention will be described, it should be noted that these embodiments are only explanation
Property, and be not considered as limiting the invention.
The solution of the present invention is explained below in conjunction with embodiment.It will be understood to those of skill in the art that following
Embodiment is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.Particular technique or item are not specified in embodiment
Part, it is carried out according to the described technology of document in the art or condition or according to product description.Agents useful for same or instrument
Production firm person is not specified in device, and being can be with conventional products that are commercially available.
Embodiment 1
In the present embodiment, refined copper ore deposit is smelted using the side-blown smelting furnace of the embodiment of the present invention, wherein, side-blown spray gun
Positioned at the side wall of the offside of smelting furnace, and side-blown spray gun is staggered arrangement two-by-two, and copper concentrate includes (mass percent component)：
Cu35%, Fe4.5%, S22% and Ni1% etc., specific method is as follows：
1000kg copper concentrates are added in from charge door in furnace body, oxygen rich gas (oxygen content 95wt%) is from the gas in oxygen rifle
Body channel, cooling water are passed through from water-cooling channel, and adjustment oxygen rifle and the angle of furnace body wall surface normal are 10 °, and gas is in gas passage
It is interior to be accelerated, go out in muzzle and multiply rotating jet is dispersed by the fluid dividing cover with angle of inclination, multiply gas jet is mutual
Influence repels each other dispersion flows, and mixing area is expanded, and since multiple jets are in the side of flowing compared to big flow injection
There are erratic behaviors upwards, destroy the steady flow condition in molten bath, and portion causes mineral aggregate particle to be come into full contact with oxygen in liquid phase,
Promote interparticle collision, chemical reaction progress is more thorough, discharges heat, temperature can be maintained near high oxidation area
2100~2300k or so.Temperature in entire fusion process at the face of solid furnace wall can be constant in 1600~1700k.It is and cold
But being passed through for water always maintains the temperature on oxygen rifle head and gun body within 1000 DEG C, the continual and steady work of protection oxygen rifle.
Relative to existing conventional smelting furnace, by using the side-blown spray gun of the embodiment of the present invention, oxygen stirs in molten bath
Mix fully, flow path is long, in flue gas residual oxygen content by 6% be down to 3% hereinafter, dust rate by 1.42% be down to 0.80% with
Under, Copper in Slag is down to 2.4% hereinafter, being down to 0.27g/t hereinafter, argentiferous 114g/t is down to 62g/ by 0.67g/t containing gold by 3.2%
T is hereinafter, SO in flue gas2Content averagely improves more than 2.5%, SO2Instantaneous concentration up to 8000~12000mg/Nm3.This reality
It applies method of the melt through existing procedure that example is prepared subsequent product gold recovery is prepared and be promoted to by 93%
98.50%, silver raising recovery rate is promoted to 96% by 94%.
Embodiment 2
In the present embodiment, refined copper ore deposit is smelted using the side-blown smelting furnace of the embodiment of the present invention, wherein, copper concentrate packet
(mass percent component) Cu28%, Fe27% is included, S30%, SiO27% and quartzy flux (contain SiO295%) etc., it is side-blown molten
Furnace side-blown spray gun is located at the side wall of the offside of furnace body, and side-blown spray gun gun body and furnace body wall surface normal direction angle are 15 °, spray
To molten bath lower flow, this kind of injection method part reduces the speed point of horizontal direction in the muzzle velocity direction of blowing
Amount, on the other hand increases the flow path of gas in the vertical direction so that oxygen comes into full contact with melt, and oxidation reaction is more
To be thorough, the heat of releasing is more, substantially meets the demand of autogenous smelting.The speed of Gas injection is in the vertical direction simultaneously
Downwards, what further gas flowed up drives completely by molten bath buoyancy, therefore effectively inhibits the surface expulsion events in molten bath.
And the spray gun being oppositely arranged is staggered arrangement two-by-two.The specific method that the side-blown smelting furnace is smelted is as follows：By 1000kg copper
Concentrate is added in from charge door in furnace body, oxygen rich gas (oxygen content 97wt%) from oxygen rifle gas passage, cooling water is from water
Cold passage is passed through, and adjustment oxygen rifle and the angle of furnace body wall surface normal are 15 °, and gas is accelerated in gas passage, in muzzle
Go out and multiply rotating jet is dispersed by the fluid dividing cover with angle of inclination, several bursts of gas jets, which interact, generates the stirring of pulse
Effect, due to its pulsing jet, there are erratic behaviors on the direction of flowing, the steady flow condition in molten bath can be destroyed, in liquid phase
Inside causes mineral aggregate particle to be come into full contact with oxygen, promotes interparticle collision, and chemical reaction progress is more thorough, and release is a large amount of
Heat, temperature can be maintained at 1800~1900k or so near high oxidation area.In entire fusion process at the face of solid furnace wall
Temperature can be constant in 1500k.
Relative to existing conventional side-blown smelting furnace, by using the side-blown spray gun of the embodiment of the present invention, oxygen is in molten bath
Interior stirring range is wide, and agitation power is strong, and flow path is long, and oxygen comes into full contact with mineral aggregate, and residual oxygen content is down to by 6% in flue gas
Minimum 2% hereinafter, dust rate by 1.42% be down to 0.50% hereinafter, Copper in Slag by 3.2% be down to 2% hereinafter, containing gold by
0.67g/t is down to 0.25g/t hereinafter, argentiferous 114g/t is down to 60g/t hereinafter, SO in flue gas2Content averagely improve 3% with
On, SO2Instantaneous concentration up to 9000~13000mg/Nm3..Method of the melt that the present embodiment is prepared through existing procedure
Subsequent product gold recovery is prepared and is promoted to 98% by 93%, silver raising recovery rate is promoted to 97% by 94%.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of side-blown smelting furnace, which is characterized in that including：
Furnace body has multipair spray gun jack on the side wall of the furnace body, and each pair of spray gun jack is with respect to stagger setting；With
Multiple side-blown spray guns, the multiple side-blown spray gun are inserted into through the spray gun jack in the furnace body, and each side-blown spray gun is equal
Have：
Central tube；
Fluid dividing cover, the fluid dividing cover are arranged on the exit of the central tube, have tap hole on the fluid dividing cover；
Casing, described sleeve pipe are set in outside the central tube, and described sleeve pipe inner wall is limited with the central tube outer wall
Cool down medium accommodation space；
Medium pipeline is cooled down, the cooling medium pipeline is arranged in the cooling medium accommodation space.
2. side-blown smelting furnace according to claim 1, which is characterized in that the central tube is sprayed for gradual-enlargement type Lavalle
Pipe.
3. side-blown smelting furnace according to claim 1, which is characterized in that the tap hole includes：
First tap hole, first tap hole are located at the center of the fluid dividing cover；
Multiple second tap holes, the multiple second tap hole are uniformly distributed along the circumferential direction of first tap hole.
4. side-blown smelting furnace according to claim 1, which is characterized in that the tap hole includes：
Multiple third tap holes, the multiple third tap hole are uniformly distributed along the circumferential direction of the fluid dividing cover.
5. side-blown smelting furnace according to claim 4, which is characterized in that the third tap hole is in Multi-layers distributing.
6. side-blown smelting furnace according to claim 1, which is characterized in that the center of the fluid dividing cover and the central tube
Axis is in 80-85 degree angles.
7. side-blown smelting furnace according to claim 1, which is characterized in that the cooling medium pipeline is a plurality of, and along institute
The circumferential direction for stating central tube is uniformly distributed.
8. side-blown smelting furnace according to claim 1, which is characterized in that further comprise：
Tilt adjustment valve, the tilt adjustment valve are arranged on the outer wall of described sleeve pipe.
9. side-blown smelting furnace according to claim 8, which is characterized in that the side wall of the side-blown spray gun and the furnace body is in
70-90 degree angles.
10. side-blown smelting furnace according to claim 1, which is characterized in that the spray gun jack is away from the bottom of furnace body
Highly it is 0.8-1.2 meters.
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| CN201810153725.2A CN108179280A (en) | 2018-02-22 | 2018-02-22 | Side-blown smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810153725.2A CN108179280A (en) | 2018-02-22 | 2018-02-22 | Side-blown smelting furnace |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848682A (en) * | 2015-05-11 | 2015-08-19 | 中国恩菲工程技术有限公司 | Smelting furnace of molten bath |
| CN105441694A (en) * | 2015-11-25 | 2016-03-30 | 中国恩菲工程技术有限公司 | Method for treating copper concentrate through improved side blowing molten pool melting furnace |
| CN105698529A (en) * | 2015-10-27 | 2016-06-22 | 中国恩菲工程技术有限公司 | Improved type side-blowing molten pool smelting furnace |
| CN105841496A (en) * | 2016-05-16 | 2016-08-10 | 中国恩菲工程技术有限公司 | Spray gun for side-blown submerged combustion bath smelting device |
| CN106643198A (en) * | 2017-01-03 | 2017-05-10 | 昆明理工大学 | Subsonic/supersonic jet spraying gun for molten pool smelting side blowing |
| CN106705680A (en) * | 2016-12-16 | 2017-05-24 | 昆明理工大学 | Swirling jet oxygen lance for heating bottom part of hearth, and application method of swirling jet oxygen lance |
| CN208104503U (en) * | 2018-02-22 | 2018-11-16 | 中国恩菲工程技术有限公司 | Side-blown smelting furnace |
-
2018
- 2018-02-22 CN CN201810153725.2A patent/CN108179280A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848682A (en) * | 2015-05-11 | 2015-08-19 | 中国恩菲工程技术有限公司 | Smelting furnace of molten bath |
| CN105698529A (en) * | 2015-10-27 | 2016-06-22 | 中国恩菲工程技术有限公司 | Improved type side-blowing molten pool smelting furnace |
| CN105441694A (en) * | 2015-11-25 | 2016-03-30 | 中国恩菲工程技术有限公司 | Method for treating copper concentrate through improved side blowing molten pool melting furnace |
| CN105841496A (en) * | 2016-05-16 | 2016-08-10 | 中国恩菲工程技术有限公司 | Spray gun for side-blown submerged combustion bath smelting device |
| CN106705680A (en) * | 2016-12-16 | 2017-05-24 | 昆明理工大学 | Swirling jet oxygen lance for heating bottom part of hearth, and application method of swirling jet oxygen lance |
| CN106643198A (en) * | 2017-01-03 | 2017-05-10 | 昆明理工大学 | Subsonic/supersonic jet spraying gun for molten pool smelting side blowing |
| CN208104503U (en) * | 2018-02-22 | 2018-11-16 | 中国恩菲工程技术有限公司 | Side-blown smelting furnace |
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