CN110106366A - A kind of efficient side-blown smelting furnace - Google Patents
A kind of efficient side-blown smelting furnace Download PDFInfo
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- CN110106366A CN110106366A CN201910420635.XA CN201910420635A CN110106366A CN 110106366 A CN110106366 A CN 110106366A CN 201910420635 A CN201910420635 A CN 201910420635A CN 110106366 A CN110106366 A CN 110106366A
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- furnace body
- furnace
- tap hole
- mouth
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Classifications
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
- F27B14/143—Heating of the crucible by convection of combustion gases
Abstract
The present invention provides a kind of efficient side-blown smelting furnaces, including furnace body, the cavity of open upper end is defined in the furnace body, the cavity has path area and the major diameter area above the path area, the internal diameter in the major diameter area is greater than the internal diameter in the path area, and the path area is equipped with discharge gate and the multiple gun slot of multiple gun slots along the circumferentially-spaced distribution of circular cross section in the path area；Multiple spray guns, the spray gun are inserted into the gun slot, and the spray gun includes central tube, fluid dividing cover, casing, cooling medium pipeline.The smelting furnace of the application has the advantages that high-efficient, long service life, moreover it is possible to reduce the discharge of pernicious gas and avoid pollution environment.
Description
Technical field
The present invention relates to Casting Equipment technical field more particularly to a kind of efficient side-blown smelting furnaces.
Background technique
Casting is that the mankind grasp than a kind of metal heat processing technique earlier, has history in about 6000.China about exists
B.C. 1700~it is 1000 first between entered heyday of bronze casting, have reached quite high level in technique.Casting
It is to be cast to liquid metals in the casting cavity being adapted with part shape, after its cooled and solidified, to obtain part or hair
The method of base.It was mostly originally solid-state but the metal (example: copper, iron, aluminium, tin, lead etc.) for being heated to liquid by casting material matter, and mold
Material can be sand, metal even ceramics.In response to different requirements, the method used be would also vary from.
Bath smelting metallurgical furnace in the related technology there is a problem of one it is commonplace be to be added in furnace from feed opening
Material be easy to swim in melt surface layer, be unable to fully participate in melt tank reaction, influence production efficiency, sometimes even cannot normally give birth to
It produces.For example, side injection method is limited for the mixing effect in molten bath in side-blown melting technique in the related technology, this is greatly
Limit single furnace processing capacity of side-blown converter, therefore furnace body size design is smaller.In order to strengthen mixing effect, increase gas
Power is more to increase blowing oxygen rifle number and blowing gas muzzle velocity, and gas jet drives melt flows to be easy
Weld pool surface generates splash, and high-temperature fusant sputters at furnace roof and furnace wall, causes furnace wall and floss hole refractory material lossy,
Furnace body whole service life is influenced, so needing a kind of side-blown smelting furnace high-efficient, with long service life.
Summary of the invention
To overcome the problems, such as that smelting efficiency existing in the prior art is low, easily causing loss, the present invention provides one kind
Efficient side-blown smelting furnace.
A kind of efficient side-blown smelting furnace characterized by comprising
Furnace body, the cavity of open upper end is defined in the furnace body, and the cavity has path area and is located at the path
Major diameter area above area, the path area and major diameter area have circular cross section, and the internal diameter in the major diameter area is greater than the path
The internal diameter in area, path area lower end are equipped with discharge gate, and the sidewall of the furnace body is in path region along the circumferential direction of the furnace body
Multiple gun slots are arranged in relative misalignment, and the major diameter area is equipped with wind-supplying mouth；
Furnace roof, the furnace roof is located on the furnace body and the upper end of the capping cavity, and the furnace roof is vaulted, the furnace
The top on top is equipped with feed opening, is equipped with sealing device at the feed opening；
Exhaust uptake, the exhaust uptake, which tilts upward, to be located on the side wall of the furnace body, the exhaust uptake with it is described
Cavity connection；
Multiple spray guns, the spray gun are inserted into the gun slot, the spray gun include central tube, fluid dividing cover, casing,
The exit of the central tube is arranged in cooling medium pipeline, the fluid dividing cover, has tap hole on the fluid dividing cover, described
Casing is set in outside the central tube, and described sleeve pipe inner wall and the central tube outer wall limit cooling medium and accommodate sky
Between, the cooling medium pipeline is arranged in the cooling medium accommodation space；
Cooling jacket, the cooling jacket are located at outside the furnace body and form packet to the furnace body and the exhaust uptake
Wrap up in structure.
In a preferred embodiment, 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.
In a preferred embodiment, the tap hole includes multiple third tap holes, and the multiple third shunts
Hole is uniformly distributed along the circumferential direction of the fluid dividing cover.
In a preferred embodiment, the third tap hole is in Multi-layers distributing.
In a preferred embodiment, the exhaust uptake is located at the side of the corresponding furnace body in the major diameter area
The angular range θ of wall, the exhaust uptake and horizontal plane meets: 0 90 ° of < θ <.
In a preferred embodiment, there is internal diameter from bottom to top gradually between the major diameter area and the path area
The transition region of increase.
In a preferred embodiment, the side wall of the furnace body is equipped with cleaning mouth, and the cleaning mouth is in upper and lower
Upwardly adjacent to the furnace roof.
In a preferred embodiment, the bottom surface of the furnace body is spherical shape, the bottom surface of the furnace body and side wall it is resistance to
Fire bed is magnesite-chrome brick layer, and the flame retardant coating of the furnace roof is fire resisting steel fibre ramming mass layer.
In a preferred embodiment, the furnace roof is additionally provided with measuring mouth and burner for protruding into measuring scale
Mouthful, the burner is located at the burner mouth and extends downward into the major diameter area.
In a preferred embodiment, the discharge gate includes that row's copper mouth and slag-drip opening, row's copper mouth are located at institute
The bottom of furnace body is stated, the slag-drip opening is located at the top of row's copper mouth.
Compared with prior art, the beneficial effects of the present invention are:
(1) for spray gun in course of injection, ejecta forms the high speed centered on central tube axis in central tube
Jet stream, when ejecting from muzzle, by the way that fluid dividing cover is arranged in the exit of spray gun central tube, central jet is split cover segmentation
At multiply rotating jet, jet stream is increased to agitation area, multiply rotating jet and the furnace body melt being stirred influence each other production
The raw pulsing jet to molten bath center flow, enhances jet stream to 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 furnace body extends, and makes anti-
What should be carried out is more thorough to significantly increase to the mixing effect of furnace body；
(2) spray gun relative misalignment is arranged, and two strands of ejecta jet streams is avoided to generate power superposition, and melt generates excessively in furnace body
Violent seethes, and prevents splash, reduces the loss to furnace wall, road gate material, improves service life；
(3) multiple spray guns are directed to the central area of furnace body, can generate higher temperature at furnace body center, be conducive to object
Material fusing rapidly, greatly improves specific capacity；
(4) cross section of cavity is formed as round, the stress that refractory brick is born in cavity can be made relatively uniform, greatly
It avoids arch brick, fall brick phenomenon, substantially prolong furnace body effective time and service life；
(5) the path area that is become larger using internal diameter, transition region, major diameter area are as gas phase zone, so that the gas of reaction generation
The reaction of body and gas can gently carry out in biggish space, improve the efficiency of melting；
(6) setting of sealed set, wind-supplying mouth reduces the evolution of toxic and harmful gas, avoids pollution environment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of efficient one preferred embodiment of side-blown smelting furnace of the present invention；
Fig. 2 is a kind of structural schematic diagram of the spray gun of efficient one preferred embodiment of side-blown smelting furnace of the present invention；
Fig. 3 is a kind of partial structural diagram of the spray gun of efficient one preferred embodiment of side-blown smelting furnace of the present invention；
Fig. 4 is a kind of partial structural diagram of the spray gun of efficient one preferred embodiment of side-blown smelting furnace of the present invention；
Fig. 5 is a kind of partial structural diagram of the spray gun of efficient one preferred embodiment of side-blown smelting furnace of the present invention；
In figure: 1- furnace body；11- cavity；111- path area；112- major diameter area；113- transition region；12 discharge gates；121- row
Copper mouth；122- slag-drip opening；13- wind-supplying mouth；14- gun slot；2- furnace roof；21- feed opening；22- burner mouth；23- measuring mouth；3- row
Gas flue；4- spray gun；41- central tube；42- fluid dividing cover；420- tap hole；The first tap hole of 421-；The second tap hole of 422-；
423- third tap hole；43- casing；44- cooling medium pipeline；45- tilt adjustment valve；5- burner；6- cooling jacket；7- cleaning
Mouthful.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
Fig. 1 is please referred to, is a kind of structural schematic diagram of efficient one preferred embodiment of side-blown smelting furnace of the present invention, it is a kind of efficient
Side-blown smelting furnace, comprising: furnace body 1, furnace roof 2, exhaust uptake 3, multiple spray guns 4.
There is the cavity 11 of open upper end in furnace body 1, the cavity 11 has path area 111 and is located at the path area 111
The major diameter area 112 of top, the path area 111 and major diameter area 112 have circular cross section, and the internal diameter in the major diameter area 112 is big
Internal diameter in the path area 111.Electronic waste, copper-contained material, industrial residue etc. can be placed on cavity after mixing with flux
Melting is carried out in 11, specifically, provides the reaction zone of melting in cavity 11 for smelting furnace, reaction zone is arranged at 111 bottom of path area
Portion.
Further, in the present embodiment, the path area 111 above reaction zone and major diameter area 112 be collectively as gas phase zone,
The reaction process for reacting the gas and associated gas that generate then carries out in the gas phase zone in furnace body 1.Due to major diameter area 112
Internal diameter is greater than the internal diameter in path area 111, and the reaction process of gas and gas of such gas phase zone to generate after reaction provides bigger
Space.
The bottom and side wall of furnace body 1 is designed with flame retardant coating, and flame retardant coating is piled up by refractory brick, due to the path of cavity 11
The cross section in area 111 and major diameter area 112 is circle, and furnace body 1 expands uniformly when heated, can be to avoid out without concentrated stress
Now fall brick phenomenon, improves the stability of furnace body 1.
Further, in the present embodiment, the bottom surface of the furnace body 1 is spherical shape, the bottom surface of the furnace body 1 and side wall it is resistance to
Fire bed is magnesite-chrome brick layer, and the flame retardant coating of the furnace roof 2 is fire resisting steel fibre ramming mass layer.
After electronic waste, copper-contained material, industrial residue etc. are mixed with flux, melting reaction is carried out in reaction zone, is reacted
Later generated blister copper discharge, adds reducing agent in remaining melting slag blanket after discharge and carries out reduction reaction, molten to restore
The metal oxide in slag blanket is refined, obtains blister copper and reducing slag, blister copper can recycle, and furnace body 1 can be discharged in reducing slag.
Specifically, in the present embodiment, 111 lower end of path area is equipped with discharge gate 12, and discharge gate 12 can be used for being discharged molten
Blister copper, reaction slag and reducing slag after refining reaction.
Further, in the present embodiment, the discharge gate 12 includes row's copper mouth 121 and slag-drip opening 122, row's copper mouth
121 are located at the bottom of the furnace body 1, and the slag-drip opening 122 is located at the top of row's copper mouth 121.
In the present embodiment, 1 side wall of furnace body is arranged in a staggered manner on 111 region of path area along the circumferentially opposed of furnace body 1
Multiple gun slots 14, spray gun 4 are inserted into gun slot 14, i.e., each pair of spray gun 4 mutually staggers not to spray, and spray gun 4 is avoided to spray
Opposite project of two strands of jet streams generates power superposition, avoids the furnace body inner surface splash that agitation supersaturation generates in furnace body serious.
In the present embodiment, the spray gun 4 is inserted into the gun slot 14, please refers to Fig. 2, during the spray gun 4 includes
Going out for the central tube 41 is arranged in heart pipeline 41, fluid dividing cover 42, casing 43, cooling medium pipeline 44, the fluid dividing cover 42
At mouthful, there is tap hole on the fluid dividing cover 42, described sleeve pipe 43 is set in outside the central tube 41, and in described sleeve pipe 43
Wall and 41 outer wall of central tube limit cooling medium accommodation space, and the cooling medium pipeline 44 is arranged in the cooling
In medium accommodation space.
Further, in the present embodiment, spray gun further comprises: tilt adjustment valve 45, the tilt adjustment valve 45 setting
On the outer wall of casing 43, which is used to adjust the angle of spray gun 4.If spray gun 4 fixes angle, it is easy to make
It is serious at furnace body inner surface splash, furnace lining position is damaged, single furnace operating rate and converter life are affected.Due to of the invention real
The spray gun for applying example is strong to the stirring action of furnace body 1, and violent stirring action will make furnace body 1 be in an unsure state down, to furnace
Lining, oxygen rifle head and flue all have many sourings, shorten the service life of furnace body 1 and spray gun 4.
Further, in the present embodiment, central tube 41 is gradual-enlargement type Laval nozzle, wherein " gradual-enlargement type Lavalle
It is to change from small to big again after narrow larynx from large to small to middle shrinkage to a narrow larynx to extending out that jet pipe ", which is to the first half of jet pipe,
, in turn, gas in jet pipe is passed through after narrow larynx by latter half of evolution, since fluid exists by the first half of high pressure flow nozzle
When moving in jet pipe, the small place's flow velocity in section is big, and section general goal flow velocity is small.Inventor uses centered on gradual-enlargement type Laval nozzle
Pipeline assembles ejecta more by the flow pattern of the jet stream formed during central tube 41, and speed significantly improves, thus
Stirring power in furnace body 1 is stronger.
Further, in the present embodiment, the exit of the centrally disposed pipeline 41 of fluid dividing cover 42 has on the fluid dividing cover 42
There is tap hole 420.It is prolonged to stablize stirring pair since side-blown gas jet mixing furnace body 1 is readily formed stable flow field
The deterioration of efficiency for smelting.By the way that fluid dividing cover 42 is arranged in the exit of spray gun central tube 41, when the pulsing jet of acceleration
When ejecting from muzzle, the tap hole 420 that central jet is split cover 42 is divided into multiply rotating jet, utilizes multiple jets phase
It mutually influences to generate Turning motion effect, constantly destroys agitation jet-core region two sides solution and form steady flow condition, promote interparticle
Mutually collision, reacts so that oxygen comes into full contact with mineral aggregate, while discharging amount of heat supply furnace body 1, meanwhile, multiply rotary irradiating
Flow and the furnace body 1 that is stirred in melt influence each other the pulsing jet generated to furnace body center flow, keep jet stream dynamic to gas
Power 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.In turn, pass through good dynamic conditions
Thermal energy is effectively converted by the chemical energy in mineral aggregate, the transformation efficiency of thermal energy significantly improves, and reduces smelting process to fuel
To demand, production cost, and the service life of extension amount furnace body uninterrupted working time and furnace body key position are reduced.
Fig. 3 is please referred to, tap hole 420 includes: the first tap hole 421 and multiple second tap holes 422, wherein first point
Discharge orifice 421 is located at the center of fluid dividing cover 42, and multiple second tap holes 422 are uniformly distributed along the circumferential direction of the first tap hole 421,
That is multiple second tap holes 422 are uniformly distributed around the first tap hole 421.According to reaction to needs, the first tap hole
421 can based on tap hole, the aperture of the first tap hole 421 is big, and the flow by the jet stream in the hole is big.And the second tap hole
422 is relatively small, also relatively small by flow of the hole to jet stream.Also, the first tap hole 421 and the second tap hole 422
Shape be not particularly limited, can be round, rectangular, oval and trapezoidal etc..It is penetrated to increase the small of the second tap hole
The flow of stream, the second tap hole 422 can be gradually increased along the area of the radial direction in the section of lance outlet, make through this
The area of the jet stream of cross section increases.
Fig. 4 is please referred to, tap hole 420 includes: multiple third tap holes 423, and multiple third tap hole 423 is along fluid dividing cover
220 circumferential direction is uniformly distributed.Multiple third tap holes 423 can be identical with size, can also be of different sizes.
Fig. 5 is please referred to, third tap hole 423 can also be in Multi-layers distributing.As a result, divided the jet stream in central tube
More small jet streams are dissipated into, it is bigger to agitation area to molten bath, more melt flows are stirred, side-blown converter agitation is solved and does not fill
Point, the problem of furnace body is difficult to scale up, while oxygen is come into full contact with melt, oxidation reaction is more thorough.
In the present embodiment, exhaust uptake 3 is connected to cavity 11, the exhaust uptake 3 tilt upward be located at it is described
On the side wall of furnace body 1, optionally, exhaust uptake 3 is located on the side wall in 112 region of major diameter area；The exhaust uptake 3 and horizontal plane
Angular range θ meet: 0 90 ° of < θ <
In the present embodiment, furnace roof 2 is located at the upper end on furnace body 1 and covering the cavity 11, and the top of the furnace roof 2 is set
There is feed opening 21；In view of toxic after the debirs in electronic waste and copper-contained material, industrial residue etc., and burning
Or pernicious gas, it can be in 21 loss of feed opening, in order to reduce the generation of such case to the greatest extent, it is alternatively possible in feed opening 21
Periphery be equipped with sealing device.Sealing device can be improved the leakproofness of feed opening 21, to effectively prevent the ease of flue gas
It dissipates.
Further, in the present embodiment, the top of furnace roof 2 is additionally provided with burner mouth 22, and smelting furnace further includes burner 5, burns
Mouth 5 is located at burner mouth 22 and extends downward into major diameter area 112.Burner 5 has the function of additional heat, leads to when by burner 5
Burning mouthpiece 22 can promote the melting of the material in furnace body 1 and the progress of reduction reaction when extending into furnace body 1, improve melting
With the efficiency of reduction reaction, and then the discharge furnace body 1 such as pernicious gas is reduced.
In the present embodiment, major diameter area 112 is equipped with wind-supplying mouth 13；It can be fed by wind-supplying mouth 13 to gas phase zone appropriate empty
Gas, by the participation organic matter full combustion in melting flue gas, the carbon monoxide that reaction can also be promoted to generate carries out oxidation reaction
Carbon dioxide is generated, it is also possible that burning is more abundant, reduces the discharge furnace body 1 such as pernicious gas.
The transition region 113 being gradually increased from bottom to top between the major diameter area 112 and the path area 111 with internal diameter,
Keep major diameter area 112 and 111 transition of path area gentle, and the structure of smelting furnace 100 is more reasonable, is conducive to the entirety of smelting furnace
Structural stability.
Material will form the melt of high temperature in furnace body 1 by smelting, and high-temperature fusant for a long time washes away 1 inner wall of furnace body, is rotten
Erosion, makes the safety of smelting furnace decrease.Therefore, from the aspect of the safety in utilization of smelting furnace, it is alternatively possible in furnace
Cooling jacket 6 is arranged in the external of body 1, and cooling jacket 6 forms package structure to furnace body 1 and exhaust uptake 3, improves 1 inner wall of furnace body
Service life, so as to avoid melt danger caused by operator of high temperature high fever, safety in utilization increases.
Further, since cooling jacket 6 is wrapped in the outside of exhaust uptake 3, to make to enter flue with flue gas
Solid particle reunite return reaction zone, reduce dust rate, to save the fuel consumption for maintaining furnace temperature, and avoid
Environmental pollution, makes to operate more stable and reliable.
In the present embodiment, furnace roof 2 is additionally provided with the measuring mouth 23 for protruding into measuring scale.Measuring mouth 23 is arranged in furnace roof
On 2, measuring scale can be extend into furnace body 1 by measuring mouth 23, and then the material in reaction zone can be determined by measuring scale
Layer it is high, so as to easily make operator understand the response situation in furnace body 1.
In the present embodiment, the side wall of furnace body 1 is equipped with cleaning mouth 7, cleans mouth 7 in the up-down direction adjacent to furnace roof 2.Such as
Shown in Fig. 1, cleaning mouth 7 is layer adjacent on 1 side wall of furnace body of furnace roof 2, it is contemplated that 2 lower section of 112 top of major diameter area and furnace roof
The temperature of temperature lower of the space in reaction is low, and so intracorporal flue dust of gas may form to the cold solid particle and be pasted onto furnace
On 1 internal cavity of body, 11 side wall, the setting of cleaning mouth 7 can make staff's periodic cleaning be formed in the solid on 11 side wall of cavity
Particle, and then be conducive to the high efficiency of cleaning and the work of smelting furnace.
In course of injection, ejecta is formed centered on central tube axis the spray gun of the application in central tube
High-speed jet, when ejecting from muzzle, by the way that fluid dividing cover is arranged in the exit of spray gun central tube, central jet is split cover
It is divided into multiply rotating jet, increases jet stream to agitation area, multiply rotating jet and the mutual shadow of furnace body melt being stirred
The pulsing jet generated to furnace body center flow is rung, enhances jet stream to aerodynamic force, then virtue of buoyancy effect moves upwards, and changes
Becoming single bath movement mode, has delayed the time that jet stream flows up, ejecta residence time in furnace body extends,
Carry out reaction more thorough to significantly increase to the mixing effect of furnace body；The setting of spray gun relative misalignment avoids two bursts of injections
Object jet stream generates power superposition, and melt generation is excessively violent in furnace body seethes, and prevents splash, reduces to furnace wall, road gate material
Loss, improve service life；Multiple spray guns are directed to the central area of furnace body, can generate higher temperature at furnace body center
Degree, is conducive to material and melts rapidly, greatly improve specific capacity；The cross section of furnace chamber is formed as round, can make furnace chamber
The stress that interior refractory brick is born is relatively uniform, greatly avoids arch brick, falls brick phenomenon, substantially prolongs the furnace body effective time
And service life；The path area that is become larger using internal diameter, transition region, major diameter area are as gas phase zone, so that the gas that reaction generates
The reaction of body and gas can gently carry out in biggish space, improve the efficiency of melting；Sealed set, wind-supplying mouth are set
It sets, reduces the evolution of toxic and harmful gas, avoid pollution environment.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (10)
1. a kind of efficient side-blown smelting furnace characterized by comprising
Furnace body (1), the interior cavity (11) for defining open upper end of the furnace body (1), the cavity (11) have path area (111)
With the major diameter area (112) being located above the path area (111), the path area (111) and major diameter area (112) have round cross
Section, the internal diameter of the major diameter area (112) are greater than the internal diameter of the path area (111), and path area (111) lower end is equipped with row
Material mouth (12), furnace body (1) side wall on path area (111) region along the furnace body (1) it is circumferentially opposed be arranged in a staggered manner it is more
A gun slot (14), the major diameter area (112) are equipped with wind-supplying mouth (13)；
Furnace roof (2), the furnace roof (2) is located on the furnace body (1) and the upper end of the capping cavity (11), the furnace roof (2)
To be vaulted, the top of the furnace roof (2) is equipped with feed opening (21), and sealing device is equipped at the feed opening (21)；
Exhaust uptake (3), the exhaust uptake (3), which tilts upward, to be located on the side wall of the furnace body (1), the exhaust uptake
(3) it is connected to the cavity (11)；
Multiple spray guns (4), the spray gun (4) are inserted into the gun slot (14), and the spray gun (4) includes central tube
(41), fluid dividing cover (42), casing (43), cooling medium pipeline (44), the fluid dividing cover (42) are arranged in the central tube
(41) exit has tap hole on the fluid dividing cover (42), and described sleeve pipe (43) is set in the central tube (41) outside,
And described sleeve pipe (43) inner wall and the central tube (41) outer wall limit cooling medium accommodation space, the cooling medium pipe
Road (44) is arranged in the cooling medium accommodation space；
Cooling jacket (6), the cooling jacket (6) are located at the furnace body (1) outside and to the furnace bodies (1) and the exhaust cigarette
Road (3) forms package structure.
2. a kind of efficient side-blown smelting furnace according to claim 1, it is characterised 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.
3. a kind of efficient side-blown smelting furnace according to claim 1, it is characterised in that: the tap hole includes multiple thirds
Tap hole, the multiple third tap hole are uniformly distributed along the circumferential direction of the fluid dividing cover.
4. a kind of efficient side-blown smelting furnace according to claim 3, it is characterised in that: the third tap hole is in multilayer point
Cloth.
5. a kind of efficient side-blown smelting furnace according to claim 1, it is characterised in that: the exhaust uptake (3) is located at institute
State the side wall of the corresponding furnace body (1) in major diameter area (112), the angular range θ satisfaction of the exhaust uptake (3) and horizontal plane: 0
90 ° of < θ <.
6. a kind of efficient side-blown smelting furnace according to claim 1, it is characterised in that: the major diameter area (112) and described
The transition region (113) being gradually increased from bottom to top between path area (111) with internal diameter.
7. a kind of efficient side-blown smelting furnace according to claim 1, it is characterised in that: set on the side wall of the furnace body (1)
Have cleaning mouth (7), the cleaning mouth (7) is in the up-down direction adjacent to the furnace roof (2).
8. a kind of efficient side-blown smelting furnace according to claim 1, it is characterised in that: the bottom surface of the furnace body (1) is ball
Shape, the bottom surface of the furnace body (1) and the flame retardant coating of side wall are magnesite-chrome brick layer, and the flame retardant coating of the furnace roof (2) is fire resisting steel fibre
The ramming bed of material.
9. a kind of efficient side-blown smelting furnace according to claim 1, it is characterised in that: the furnace roof (2) is additionally provided with use
In the measuring mouth (23) and burner mouth (22) that protrude into measuring scale, the burner (5) is located at the burner mouth (22) and to downward
It extends in the major diameter area (112).
10. a kind of efficient side-blown smelting furnace according to claim 1, it is characterised in that: the discharge gate (12) includes row
Copper mouth (121) and slag-drip opening (122), row's copper mouth (121) are located at the bottom of the furnace body (1), slag-drip opening (122) position
In the top of row's copper mouth (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910420635.XA CN110106366A (en) | 2019-05-20 | 2019-05-20 | A kind of efficient side-blown smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910420635.XA CN110106366A (en) | 2019-05-20 | 2019-05-20 | A kind of efficient side-blown smelting furnace |
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| CN110106366A true CN110106366A (en) | 2019-08-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344737A (en) * | 2020-11-09 | 2021-02-09 | 赵天赐 | Internal and external burner blast smelting furnace |
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| CN114369727A (en) * | 2021-12-07 | 2022-04-19 | 广西金川有色金属有限公司 | Flash smelting furnace side-blown reduction method |
| CN114369727B (en) * | 2021-12-07 | 2023-11-28 | 广西金川有色金属有限公司 | Side-blowing reduction method for flash smelting furnace |
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Application publication date: 20190809 |