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CN208104503U - Side-blown smelting furnace - Google Patents

Side-blown smelting furnace Download PDF

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Publication number
CN208104503U
CN208104503U CN201820262636.7U CN201820262636U CN208104503U CN 208104503 U CN208104503 U CN 208104503U CN 201820262636 U CN201820262636 U CN 201820262636U CN 208104503 U CN208104503 U CN 208104503U
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blown
spray gun
central tube
smelting furnace
tap hole
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CN201820262636.7U
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Chinese (zh)
Inventor
李鹏
姚心
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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Abstract

The utility model 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 opposite is arranged in a staggered manner;With multiple side-blown spray guns, the multiple side-blown spray gun is inserted into the furnace body through the spray gun jack, and each side-blown spray gun all has:Central tube;Fluid dividing cover, the fluid dividing cover are arranged in 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 and the central tube outer wall limit cooling medium accommodation space;Cooling medium pipeline, the cooling medium pipeline are arranged in the cooling medium accommodation space.The melting bath stirring power of the side-blown smelting furnace is strong, low energy consumption, long service life.

Description

Side-blown smelting furnace
Technical field
The utility model relates to field of metallurgy, and in particular, to side-blown smelting furnace.
Background technique
Currently, bath smelting processing copper concentrate obtains copper matte regulus as advanced Copper making technique.In process of production, copper matte regulus Grade can reach 60% or more.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 furnace processing capacity of side-blown converter, therefore furnace body size design is equal It is smaller.In order to strengthen mixing effect, increases aerodynamic force, be more to increase blowing oxygen rifle number and blowing gas outlet speed Degree, and gas jet drives melt flows to be easy 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, smelting furnace with long service life requires study.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose a kind of side-blown smelting furnace, the side-blown spray gun relative misalignment setting of the side-blown smelting furnace, and in side-blown spray Fluid dividing cover is arranged in the exit of rifle, and when the jet stream of ejecta is ejected from muzzle, jet stream is split cover and is divided into multiply rotary irradiating Stream, multiply rotating jet and the molten bath melt being stirred influence each other the pulsing jet generated to molten bath center flow, to molten bath Mixing effect is significantly increased.
One aspect according to the present utility model, the utility model provide a kind of side-blown smelting furnace.The side-blown smelting furnace Including:Furnace body has multipair spray gun jack on the side wall of the furnace body, and each pair of spray gun jack is opposite is arranged in a staggered manner; With multiple side-blown spray guns, the multiple side-blown spray gun is inserted into the furnace body through the spray gun jack, and each side-blown spray gun has Have:Central tube;Fluid dividing cover, the fluid dividing cover are arranged in the exit of the central tube, have on the fluid dividing cover and shunt Hole;Casing, described sleeve pipe are set in outside the central tube, and described sleeve pipe inner wall limited with the central tube outer wall it is cold But medium accommodation space;Cooling medium pipeline, the cooling medium pipeline are arranged in the cooling medium accommodation space.
According to the side-blown smelting furnace of the utility model embodiment, 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 in road, when ejecting from muzzle, passes through going out in spray gun central tube Fluid dividing cover is set at mouthful, and central jet is split cover and is divided into multiply rotating jet, increases jet stream to agitation area, multiply rotation Turn jet stream and the molten bath melt that is stirred influences each other the pulsing jet generated to molten bath center flow, makes jet stream to aerodynamic force Enhancing, then virtue of buoyancy effect move upwards, and change single bath movement mode, delay that jet stream flows up when Between, ejecta residence time in molten bath extends, and carries out reaction more thorough to significantly increase to molten bath to mixing effect By force.Meanwhile side-blown spray gun relative misalignment is arranged, and two strands of ejecta jet streams is avoided to generate power superposition, the agitation satiety of molten bath center With the serious problem of caused weld pool surface splash.The melting bath stirring power of the side-blown smelting furnace is strong as a result, low energy consumption, uses Service life is long.
Optionally, the central tube is gradual-enlargement type Laval nozzle.
Optionally, the tap hole includes:First tap hole, first tap hole are located at the center of the fluid dividing cover Place;Multiple second tap holes, the multiple second tap hole are uniformly distributed along the circumferential direction of first tap hole.
Optionally, the tap hole includes:Multiple third tap holes, the multiple third tap hole is along the fluid dividing cover Circumferentially it is uniformly distributed.
Optionally, the third tap hole is in Multi-layers distributing.
Optionally, the central axis of the fluid dividing cover and the central tube is in 80-85 degree angle.
Optionally, cooling medium pipeline is a plurality of, and is uniformly distributed along the circumferential direction of the central tube.
Optionally, which further comprises:Tilt adjustment valve, the tilt adjustment valve are arranged in described sleeve pipe Outer wall on.
Optionally, the side wall of the side-blown spray gun and the furnace body is in 70-90 degree angle.
Optionally, 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 utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and is readily appreciated that, wherein:
Fig. 1 shows the structural schematic diagram of the side-blown smelting furnace according to the utility model one embodiment;
Fig. 2 shows the structural schematic diagram of the side-blown spray gun according to the utility model one embodiment;
Fig. 3 shows the partial structural diagram of the side-blown spray gun according to the utility model one embodiment;
Fig. 4 shows the partial structural diagram of the side-blown spray gun according to the utility model one embodiment;
Fig. 5 shows the partial structural diagram of the side-blown spray gun according to the utility model one embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore It should not be understood as limiting the present invention.
It should be noted that term " first ", " second " are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be with Explicitly or implicitly include one or more of the features.Further, in the description of the present invention, unless otherwise Illustrate, the meaning of " plurality " is two or more.
One aspect according to the present utility model, the utility model provide a kind of side-blown smelting furnace.It is practical new according to this The side-blown smelting furnace of type embodiment, in course of injection, ejecta is formed in central tube with central tube axis side-blown spray gun High-speed jet centered on line, when ejecting from muzzle, by the way that fluid dividing cover is arranged in the exit of spray gun central tube, center is penetrated Stream is split cover and is divided into multiply rotating jet, increases jet stream to agitation area, multiply rotating jet and the molten bath being stirred Melt influence each other generate to molten bath center flow pulsing jet, make jet stream to aerodynamic force enhance, then virtue of buoyancy effect It moves upwards, changes single bath movement mode, delay the time that jet stream flows up, ejecta stops in molten bath Time extend, make reaction carry out more thoroughly to, molten bath significantly increases mixing effect.Meanwhile side-blown spray gun is opposite It is arranged in a staggered manner, two strands of ejecta jet streams is avoided to generate power superposition, the agitation supersaturation of molten bath center, caused weld pool surface splash Serious problem.The melting bath stirring power of the side-blown smelting furnace is strong as a result, low energy consumption, long service life.
With reference to Fig. 1, the side-blown smelting furnace is explained in embodiment according to the present utility model, the side-blown melting Furnace includes:
Furnace body 100:Embodiment according to the present utility model has multipair spray gun jack 110 on the side wall of the furnace body 100, And each pair of spray gun jack 110 is arranged in a staggered manner relatively, in other words, that is, each pair of spray gun mutually staggers not to spray, avoids spraying Opposite project of two strands of jet streams of rifle injection generates power superposition, the weld pool surface splash for avoiding the agitation supersaturation of molten bath center from generating Seriously.
Embodiment according to the present utility model, height of the spray gun jack 110 away from 100 bottom of furnace body are 0.8-1.2 meters.By This, the height of spray gun is suitable for that gun slot is in molten bath slag blanket middle and lower part, and it is on the one hand good to the stirring effect of slag blanket, promote oxygen It is reacted with sulfide in slag, on the other hand reduces disturbance of the gas jet to bottom melt to the greatest extent, reduce Copper in Slag amount.If spray The excessive height of rifle jack, then spray gun is located at the top or higher of molten bath slag blanket, and poor to the stirring effect of slag blanket, oxidation reaction is not Sufficiently, and if the height of spray gun jack is too low, spray gun is easy to protrude into bottom melt, is unfavorable for the deposition of copper, Copper in Slag amount It is high.
Multiple side-blown spray guns 200:Embodiment according to the present utility model, multiple side-blown spray guns 200 are inserted through spray gun jack 110 Enter in furnace body 100, each side-blown spray gun 200 all has:Central tube 210, fluid dividing cover 220, casing 230 and cooling medium pipeline 240。
The structure of the side-blown spray gun 200 in order to facilitate understanding, with reference to Fig. 2 and 3, embodiment according to the present utility model is right Side-blown spray gun 200 is explained:
Central tube 210:Embodiment according to the present utility model, the central tube 210 are the substance of spray gun conveying injection, If the side-blown spray gun can convey oxygen rich gas, in course of injection, oxygen rich gas as oxygen rifle, the central tube 210 The high-speed pulse gas jet centered on central tube axis is formed in central tube 210.
Embodiment according to the present utility model, the central tube 210 are gradual-enlargement type Laval nozzle.Wherein, it needs to illustrate To be that " gradual-enlargement type Laval nozzle " is to the first half of jet pipe be from large to small to middle shrinkage to a narrow larynx, narrow larynx it Change from small to big and expand outwardly again afterwards, in turn, gas in jet pipe is passed through after narrow larynx by later half by the first half of high pressure flow nozzle Portion's evolution, 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 Pipeline centered on Laval nozzle assembles ejecta more by the flow pattern of the jet stream formed during central tube, Speed significantly improves, thus stronger to stirring power to molten bath.
Fluid dividing cover 220:Embodiment according to the present utility model, the outlet of the centrally disposed pipeline 210 of fluid dividing cover 220 Locate, there is tap hole 221 on the fluid dividing cover 220.It is long since side-blown gas jet mixing molten bath is readily formed stable flow field Time stablizes stirring deterioration of efficiency for smelting.By the way that fluid dividing cover is arranged in the exit of spray gun central tube 210 220, when the pulsing jet of acceleration is ejected from muzzle, the tap hole 221 that central jet is split cover is divided into multiply to rotate Jet stream is influenced each other using multiple jets and generates Turning motion effect, is constantly destroyed agitation jet-core region two sides solution and is formed surely Constant current field promotes interparticle mutual collision, reacts so that oxygen comes into full contact with mineral aggregate, while it is molten to discharge amount of heat supply Pond, meanwhile, 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 enhances aerodynamic force, then virtue of buoyancy effect moves upwards, and changes single bath movement mode, delays jet stream The time flowed up, ejecta residence time in molten bath extend, and carry out reaction more thorough.In turn, by good Dynamic conditions effectively convert thermal energy for the chemical energy in mineral aggregate, the transformation efficiency of thermal energy significantly improves, and reduces smelting Refining process to demand, reduces production cost to fuel, and extension amount furnace body uninterrupted working time and furnace body key position Service life.
The set-up mode of embodiment according to the present utility model, tap hole 210 is not particularly limited, as long as rising to jet stream To shunting function.
With reference to Fig. 3, embodiment according to the present utility model, tap hole 211 includes:First tap hole 212 and multiple second Tap 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 shunted along first The circumferential direction in hole 212 is uniformly distributed, that is to say, that multiple second tap holes 213 are uniformly distributed around the first tap hole 212.Root According to reaction to needs, 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 it is big.And the second tap hole 213 is relatively small, it is also relatively small by flow of the hole to jet stream.Also, first shunts The shape of hole 212 and the second tap hole 213 is not particularly limited, and can be round, rectangular, oval and trapezoidal etc..In order to Increase the flow of the small jet stream of the second tap hole, the second tap hole 213 can be along the radial direction in the section of lance outlet Area is gradually increased, and makes to increase by the area of the jet stream of the cross section.
With reference to Fig. 4, embodiment according to the present utility model, tap hole 211 includes:Multiple third tap holes 214, it is 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 be big Small difference.
Further, with reference to Fig. 5, embodiment according to the present utility model, third tap hole 214 can also be in multilayer point Cloth.The jet stream in central tube is set to be dispersed into more small jet streams as a result, bigger to agitation area to molten bath, agitation is more Melt flows, solve the problem of that side-blown converter stirs insufficient furnace body and is difficult to scale up, while oxygen is sufficiently connect with melt Touching, oxidation reaction are more thorough.
The central axis of embodiment according to the present utility model, the fluid dividing cover 220 and central tube 210 is in 80-85 degree angle. Extend jet stream as a result, in the flow distance in molten bath, slows down the impact force of bubble rising, effectively inhibit the generation of liquid level splash, protect Corrosion of top furnace wall, flue and the spray gun of furnace retaining body from the melt liquid splash.
Casing 230:Embodiment according to the present utility model, which is set in outside central tube 210, and the casing 230 inner walls and 210 outer wall of central tube limit cooling medium accommodation space.Cooling medium is coated on central tube as a result, Outside prevents damage of the high temperature to central tube.
Cooling medium pipeline 240:Embodiment according to the present utility model, the cooling medium pipeline 240 setting are situated between cooling In matter accommodation space.Cooling medium flows in cooling medium pipeline as a result, is maintained the cooling effect of central tube, extends The service life of spray gun.
Embodiment according to the present utility model, cooling medium pipeline 240 are a plurality of, and along the circumferential equal of central tube 210 Even distribution, 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,.
Embodiment according to the present utility model, the side-blown spray gun further comprise:Tilt adjustment valve 250, the tilt adjustment Valve 250 is arranged on the outer wall of casing 230, which is used to adjust the angle of side-blown spray gun.If spray gun pair Angle is fixed, and be easy to cause weld pool surface splash serious, damages furnace lining position, single furnace operating rate and converter life are by shadow It rings.Since the side-blown spray gun of the utility model embodiment is strong to the stirring action in molten bath, violent stirring action will make at molten bath Under unstable state, all there is many sourings to furnace lining, oxygen rifle head and flue, shorten making for furnace body and spray gun Use the service life.
The side wall of embodiment according to the present utility model, side-blown spray gun 200 and furnace body 100 is in 70-90 degree angle.As a result, Increase the distance that bubble moves upwards while the power that gas jet is impacted upwards can be reduced, can effectively inhibit splash Amplitude avoids the melt liquid in molten bath to top furnace wall, flue and the spray gun of furnace body so that pool level fluctuation amplitude declines Corrosiveness.
Embodiment according to the present utility model, the side-blown spray gun further comprise:Oxygen connection (not shown), the oxygen Gas connector is formed with the oxygen rich gas access road being connected to central tube 100, is conveyed using side-blown spray gun into furnace body oxygen-enriched Gas.Since the oxygen content in air is few, reacting with the sulphur in mineral aggregate, intensity is small, and the shortage of heat of releasing is to maintain furnace Body required temperature often needs a large amount of addition fuel, increases production cost.And oxygen rich gas is used, according to the present utility model one A little embodiments, the oxygen content of oxygen rich gas are 90~95wt%, and oxygen-enriched air and concentrate occur to chemically react released heat And the heat that oxygen rich gas jet stream is released with gas fuel burning is rotated to maintain, the extra fuel in smelting process is reduced, Production cost is reduced, the service life of furnace body uninterrupted working time and furnace body key position is extended.
Embodiment according to the present utility model, the side-blown spray gun further comprise:Cooling medium connector (not shown), The cooling medium connector is formed with the cooling medium access road being connected to cooling medium pipeline, is that cooling medium pipeline is cold But medium.As a result, by conveying cooling medium, cooling medium is promoted to recycle in cooling medium pipeline, cooling effect is more preferable.
Below with reference to specific embodiment, the utility model is illustrated, it should be noted that these embodiments are only It is illustrative, and should not be understood as limiting the present invention.
The embodiment of the utility model is explained below in conjunction with embodiment.Under it will be understood to those of skill in the art that The embodiment in face is merely to illustrate the utility model, and should not be regarded as limiting the scope of the utility model.It is not specified in embodiment Particular technique or condition, it described technology or conditions or is carried out according to the literature in the art according to product description. Reagents or instruments used without specified manufacturer, being can be with conventional products that are commercially available.
Embodiment 1
In the present embodiment, refined copper mine is smelted using the side-blown smelting furnace of the utility model embodiment, wherein side-blown Spray gun is located at the side wall of the opposite side 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., the specific method is as follows:
1000kg copper concentrate is added in furnace body from feed opening, 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 the angle of adjustment oxygen rifle and furnace body wall surface normal is 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 tilt angle, multiply gas jet is mutual Influence repels each other dispersion flows, expands mixing area compared to big flow blowing, and since multiple jets are in the side of flowing Upwards there are erratic behavior, the steady flow condition in molten bath is destroyed, portion comes into full contact with mineral aggregate particle with oxygen in liquid phase, Promote interparticle collision, chemical reaction progress is more thorough, discharges heat, temperature is able to maintain 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.And it is 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 utility model embodiment, oxygen is in molten bath Sufficiently, flow path is long, and residual oxygen content is down to 3% hereinafter, dust rate is down to 0.80% by 1.42% by 6% in flue gas for interior stirring Hereinafter, Copper in Slag is down to 2.4% hereinafter, being down to 0.27g/t hereinafter, argentiferous 114g/t is down to by 0.67g/t containing gold by 3.2% 62g/t is hereinafter, SO in flue gas2Content averagely improves 2.5% or more, SO2Instantaneous concentration up to 8000~12000mg/Nm3。 The melt that the present embodiment is prepared is prepared subsequent product gold recovery through the method for existing procedure and is promoted to by 93% 98.50%, silver raising recovery rate is promoted to 96% by 94%.
Embodiment 2
In the present embodiment, refined copper mine is smelted using the side-blown smelting furnace of the utility model embodiment, wherein copper essence Mine includes (mass percent component) Cu28%, Fe27%, S30%, and SiO27% and quartzy flux (contain SiO295%) etc., side The side wall that furnace side-blown spray gun is located at the opposite side of smelting furnace is blowed and fused, and side-blown spray gun gun body is with furnace body wall surface normal direction angle 15 °, to molten bath lower flow, this kind of injection method a part reduces the speed of horizontal direction in the muzzle velocity direction of blowing gas Component is spent, the flow path of gas in the vertical direction is on the other hand increased, so that oxygen comes into full contact with melt, oxidation is anti- Should be more thorough, the heat of releasing is more, substantially meets the demand of autogenous smelting.The speed of Gas injection is in vertical direction simultaneously On be that downwards, what further gas flowed up drives by molten bath buoyancy completely, therefore effectively inhibits the surface splash in molten bath Phenomenon.And the spray gun being oppositely arranged is staggered arrangement two-by-two.The side-blown smelting furnace is smelted, and the specific method is as follows:It will 1000kg copper concentrate is added in furnace body from feed opening, and oxygen rich gas (oxygen content 97wt%) is from the gas passage, cold in oxygen rifle But water is passed through from water-cooling channel, and the angle of adjustment oxygen rifle and furnace body wall surface normal is 15 °, and gas is added in gas passage Speed goes out in muzzle and is dispersed into multiply rotating jet by the fluid dividing cover with tilt angle, and several bursts of gas jets interact generation The stirring action of pulse can destroy the stabilization in molten bath since there are erratic behaviors on the direction of flowing for its pulsing jet Flow field, portion comes into full contact with mineral aggregate particle with oxygen in liquid phase, promotes interparticle collision, and chemical reaction carries out more thorough Bottom discharges amount of heat, and temperature is able to maintain in 1800~1900k or so near high oxidation area.In entire fusion process Temperature at the face of solid furnace wall can be constant in 1500k.
Relative to existing conventional side-blown smelting furnace, by using the side-blown spray gun of the utility model embodiment, oxygen exists Stirring range is wide in molten bath, and agitation power is strong, and flow path is long, and oxygen comes into full contact with mineral aggregate, and residual oxygen content is by 6% in flue gas Minimize 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 system of the melt through existing procedure that the present embodiment is prepared It is promoted to 98% by 93% for subsequent product gold recovery is obtained, silver raising recovery rate is promoted to 97% by 94%.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

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 opposite is arranged in a staggered manner;With Multiple side-blown spray guns, the multiple side-blown spray gun are inserted into the furnace body through the spray gun jack, and each side-blown spray gun is equal Have:
Central tube;
Fluid dividing cover, the fluid dividing cover are arranged in 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 Cooling medium accommodation space;
Cooling medium pipeline, the cooling medium pipeline are 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 the spray of 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 angle.
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 angle.
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 Height is 0.8-1.2 meters.
CN201820262636.7U 2018-02-22 2018-02-22 Side-blown smelting furnace Active CN208104503U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108179280A (en) * 2018-02-22 2018-06-19 中国恩菲工程技术有限公司 Side-blown smelting furnace
RU2820613C1 (en) * 2023-09-22 2024-06-06 Федеральное государственное бюджетное образовательное учреждение высшего образования "Уральский государственный горный университет" Device for beneficiation of gold-bearing copper-nickel sulphide material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108179280A (en) * 2018-02-22 2018-06-19 中国恩菲工程技术有限公司 Side-blown smelting furnace
RU2820613C1 (en) * 2023-09-22 2024-06-06 Федеральное государственное бюджетное образовательное учреждение высшего образования "Уральский государственный горный университет" Device for beneficiation of gold-bearing copper-nickel sulphide material

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