CN108253799A - side-blown spray gun - Google Patents
side-blown spray gun Download PDFInfo
- Publication number
- CN108253799A CN108253799A CN201810153942.1A CN201810153942A CN108253799A CN 108253799 A CN108253799 A CN 108253799A CN 201810153942 A CN201810153942 A CN 201810153942A CN 108253799 A CN108253799 A CN 108253799A
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- CN
- China
- Prior art keywords
- spray gun
- central tube
- tap hole
- blown spray
- cooling medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
- F27D2003/162—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel
- F27D2003/163—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel the fluid being an oxidant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
- F27D2003/168—Introducing a fluid jet or current into the charge through a lance
- F27D2003/169—Construction of the lance, e.g. lances for injecting particles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/13—Smelting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses side-blown spray guns.The side-blown spray gun includes：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.By setting fluid dividing cover in the exit of spray gun central tube, central jet is split cover and is divided into multiply rotating jet, increases the agitation area of jet stream, the mixing effect in molten bath is significantly increased.
Description
Technical field
The present invention relates to field of metallurgy, and in particular, to side-blown spray gun.
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.
The aerodynamic force of spray gun is to be improved as a result,.
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 spray gun, ejecta forms the high-speed jet centered on central tube axis in central tube,
Jet stream from muzzle eject when, the gas jet of central axis is split cover and is divided into multiply rotating jet, multiply rotating jet
Influence each other the pulsing jet generated to molten bath center flow with the molten bath melt being stirred, and the mixing effect in molten bath is significantly increased
By force.
According to an aspect of the present invention, the present invention provides a kind of side-blown spray guns.According to an embodiment of the invention, the side
Rifle is blowed and sprayed to include：Central tube；Fluid dividing cover, the fluid dividing cover are arranged on the exit of the central tube, on the fluid dividing cover
With tap hole；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；Medium pipeline is cooled down, the cooling medium pipeline is arranged on the cooling medium and accommodates sky
In.
Side-blown spray gun according to embodiments of the present invention, in course of injection, ejecta is formed in central tube with center
High-speed jet centered on conduit axis, when being ejected from muzzle, by setting fluid dividing cover in the exit of spray gun central tube,
Central jet is split cover and is divided into multiply rotating jet, increases the agitation area of jet stream, multiply rotating jet is with being stirred
Molten bath melt influence each other generate to molten bath center flow pulsing jet, make the aerodynamic force of jet stream enhance, then by float
Power effect moves upwards, and changes single bath movement mode, delays the time that jet stream flows up, ejecta is in molten bath
Interior residence time extends, and carries out reaction more thorough, so as to be significantly increased to the mixing effect in molten bath.
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 setting
On the outer wall of described sleeve pipe.
According to an embodiment of the invention, which further comprises：Oxygen connection, the oxygen connection be formed with
The oxygen rich gas access road of the central tube connection.
According to an embodiment of the invention, which further comprises：Cool down medium connector, the cooling medium connector
It is formed with the cooling media inlet channel connected with the cooling medium pipeline.
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 spray gun according to an embodiment of the invention；
Fig. 2 shows the partial structural 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.
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 spray guns.According to embodiments of the present invention is side-blown
Spray gun, in course of injection, ejecta forms the high-speed jet centered on central tube axis in central tube, from muzzle
When ejecting, by setting fluid dividing cover in the exit of spray gun central tube, central jet is split cover and multiply is divided into rotate
Jet stream, increases the agitation area of jet stream, and multiply rotating jet influences each other generation into molten bath with the molten bath melt being stirred
The pulsing jet of heart flowing, makes the aerodynamic force of jet stream enhance, then virtue of buoyancy effect moves upwards, and changes single melt
Motion mode delays the time that jet stream flows up, and ejecta residence time in molten bath extends, and reaction is made to carry out more
Thoroughly so as to be significantly increased to the mixing effect in molten bath.
With reference to Fig. 1 and 2, according to an embodiment of the invention, which is explained, the side-blown spray gun packet
It includes：
Central tube 100：According to an embodiment of the invention, substance of the central tube 100 for spray gun conveying injection, if
The side-blown spray gun can convey oxygen rich gas as oxygen rifle, the then central tube 100, 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 100.
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 200：According to an embodiment of the invention, the exit of the 200 centrally disposed pipeline 100 of fluid dividing cover, should
There is tap hole 210 on fluid dividing cover 200.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 200 in the exit of spray gun central tube 100, when
The pulsing jet of acceleration from muzzle eject when, the tap hole 210 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 enhancing, then virtue of buoyancy effect move upwards, change 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 2, according to an embodiment of the invention, tap hole 210 includes：First tap hole 211 and multiple second shuntings
Hole 212, wherein, the first tap hole 211 is located at the center of fluid dividing cover 200, and multiple second tap holes 212 are along the first tap hole
211 circumferential direction is uniformly distributed, that is to say, that multiple second tap holes 212 are uniformly distributed around the first tap hole 211.According to
Reaction to needing, the first tap hole 211 can based on tap hole, the aperture of the first tap hole 211 is big, passes through the jet stream in the hole
Flow is big.And the second tap hole 212 is relatively small, it is also relatively small to the flow of jet stream by the hole.Also, the first tap hole
211 and second the shape of tap hole 212 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 212 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 3, according to an embodiment of the invention, tap hole 210 includes：Multiple third tap holes 213, multiple third
Tap hole 213 is uniformly distributed along the circumferential direction of fluid dividing cover 200.Multiple third tap holes 213 can be identical with size, can also size not
Together.
Further, with reference to figure 4, according to an embodiment of the invention, third tap hole 213 can also be in Multi-layers distributing.It is logical
Normal gun slot is in molten bath slag blanket middle and lower part, the jet stream in central tube is made to be dispersed into more in the third tap hole of Multi-layers distributing
Mostly small jet stream to molten bath to stirring area bigger, stirs more melt flows, solves side-blown converter and stir insufficient, furnace body
The problem of being difficult to scale up, while oxygen is come into full contact with melt, oxidation reaction is more thorough.
According to an embodiment of the invention, the central shaft of the fluid dividing cover 200 and central tube 100 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 300：According to an embodiment of the invention, which is set in outside central tube 100, and in the casing 300
Wall limits cooling medium accommodation space with 100 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 400：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 400 is a plurality of, and is uniformly divided along the circumferential of central tube 100
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 500, the tilt adjustment valve 500
It is arranged on the outer wall of casing 300, 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.Pass through
Tilt adjustment valve 500 adjusts the spray angle of spray gun, for example, the inclination angle that side-blown spray gun forms 0~20 ° with furnace body wall surface normal becomes
Change, increase the distance that bubble moves upwards while the power that gas jet is impacted upwards can be reduced, can effectively inhibit to spray
The amplitude splashed so that pool level fluctuation amplitude decline, avoid the melt liquid in molten bath to the top furnace wall of furnace body, flue and
The corrosiveness of spray gun.
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, the side wall of the offside of smelting furnace uses the side-blown spray gun of the embodiment of the present invention, and side-blown spray gun two
Two are staggered arrangement, and refined copper ore deposit is smelted using the smelting furnace, which includes (mass percent component)：Cu35%,
Fe4.5%, S22%, Ni1% etc., specific method is as follows：
1000kg copper concentrates are put from charge door addition in furnace body, oxygen rich gas (oxygen content 95wt%) is from oxygen rifle
Gas passage, 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 leads in gas
Accelerated in road, go out in muzzle and multiply rotating jet is dispersed by the fluid dividing cover with angle of inclination, several bursts of gas jets are mutual
The stirring action of generation pulse is mutually influenced, there are erratic behaviors on the direction of flowing due to its pulsing jet, can destroy molten
Steady flow condition in pond, in liquid phase portion mineral aggregate particle is come into full contact with oxygen, promote interparticle collision, chemically react
Progress is more thorough, discharges amount of heat, temperature can be maintained at 2100~2300k or so near high oxidation area.Entire
Temperature in fusion process at the face of solid furnace wall can be constant in 1600~1700k.
Relative to existing conventional smelting furnace, by using the side-blown spray gun of the embodiment of the present invention, residual oxygen content in flue gas
3% is down to hereinafter, dust rate is down to 0.80% hereinafter, Copper in Slag is down to 2.4% hereinafter, containing gold by 3.2% by 1.42% by 6%
0.27g/t is down to by 0.67g/t hereinafter, argentiferous 114g/t is down to 62g/t hereinafter, SO in flue gas2Content averagely improves 2.5%
More than, SO2Instantaneous concentration up to 8000~12000mg/Nm3.Copper in Slag is down to 0.572% hereinafter, slag argentiferous by 0.767%
Below 2.7g/t is down to by 7.5g/t.Subsequent product is prepared in method of the melt that the present embodiment is prepared through existing procedure
Gold recovery is promoted to 98.50% by 93%, and 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., smelting 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 °, are blown gas
The muzzle velocity direction of body reduces the velocity component of horizontal direction to molten bath lower flow, this kind of injection method part, separately
On the one hand the flow path of gas in the vertical direction is increased so that oxygen comes into full contact with melt, and oxidation reaction is more thorough
Bottom, the heat of releasing is more, substantially meets the demand of autogenous smelting.Simultaneously Gas injection speed be in the vertical direction to
Under, what further gas flowed up drives completely by molten bath buoyancy, therefore effectively inhibits the surface expulsion events in molten bath.And
And the spray gun being oppositely arranged is staggered arrangement two-by-two, the specific method which is smelted is as follows：
1000kg copper concentrates are put from charge door addition in furnace body, oxygen rich gas (oxygen content 97wt%) is from oxygen rifle
Gas passage, cooling water are passed through from water-cooling channel, and adjustment oxygen rifle and the angle of furnace body wall surface normal are 15 °, and gas leads in gas
Accelerated in road, go out in muzzle and multiply rotating jet is dispersed by the fluid dividing cover with angle of inclination, several bursts of gas jets are mutual
The stirring action of generation pulse is mutually influenced, there are erratic behaviors on the direction of flowing due to its pulsing jet, can destroy molten
Steady flow condition in pond, in liquid phase portion mineral aggregate particle is come into full contact with oxygen, promote interparticle collision, chemically react
Progress is more thorough, discharges amount of heat, temperature can be maintained at 1700~1900k or so near high oxidation area.Entire
Temperature in fusion process 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 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 spray gun, which is characterized in that including：
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；And
Medium pipeline is cooled down, the cooling medium pipeline is arranged in the cooling medium accommodation space.
2. side-blown spray gun according to claim 1, which is characterized in that the central tube is gradual-enlargement type Laval nozzle.
3. side-blown spray gun 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 spray gun 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 spray gun according to claim 4, which is characterized in that the third tap hole is in Multi-layers distributing.
6. side-blown spray gun according to claim 1, which is characterized in that the central shaft of the fluid dividing cover and the central tube
In 80-85 degree angles.
7. side-blown spray gun according to claim 1, which is characterized in that the cooling medium pipeline is a plurality of, and along described
The circumferential direction of central tube is uniformly distributed.
8. side-blown spray gun 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 spray gun according to claim 1, which is characterized in that further comprise：
Oxygen connection, the oxygen connection are formed with the oxygen rich gas access road connected with the central tube.
10. side-blown spray gun according to claim 1, which is characterized in that further comprise：
Medium connector is cooled down, the cooling medium connector is formed with the cooling medium inlet connected with the cooling medium pipeline and leads to
Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810153942.1A CN108253799A (en) | 2018-02-22 | 2018-02-22 | side-blown spray gun |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810153942.1A CN108253799A (en) | 2018-02-22 | 2018-02-22 | side-blown spray gun |
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| Publication Number | Publication Date |
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| CN108253799A true CN108253799A (en) | 2018-07-06 |
Family
ID=62744590
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810153942.1A Pending CN108253799A (en) | 2018-02-22 | 2018-02-22 | side-blown spray gun |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106366A (en) * | 2019-05-20 | 2019-08-09 | 海安海太铸造有限公司 | A kind of efficient side-blown smelting furnace |
| CN114602675A (en) * | 2022-04-21 | 2022-06-10 | 浙江工业大学 | Noise reduction nozzle with flow dividing structure |
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| US20030122291A1 (en) * | 2001-12-03 | 2003-07-03 | Cameron Andrew Miller | Metallurgical lance and apparatus |
| CN101929802A (en) * | 2009-06-25 | 2010-12-29 | 中国恩菲工程技术有限公司 | Side-blown spray gun |
| 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 |
| CN206410529U (en) * | 2016-12-16 | 2017-08-15 | 昆明理工大学 | A kind of rotating jet oxygen rifle of burner hearth bottom heat supply |
| CN207975992U (en) * | 2018-02-22 | 2018-10-16 | 中国恩菲工程技术有限公司 | side-blown spray gun |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110106366A (en) * | 2019-05-20 | 2019-08-09 | 海安海太铸造有限公司 | A kind of efficient side-blown smelting furnace |
| CN114602675A (en) * | 2022-04-21 | 2022-06-10 | 浙江工业大学 | Noise reduction nozzle with flow dividing structure |
| CN114602675B (en) * | 2022-04-21 | 2023-03-03 | 浙江工业大学 | Noise reduction nozzle with flow dividing structure |
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