CN206410529U - A kind of rotating jet oxygen rifle of burner hearth bottom heat supply - Google Patents
A kind of rotating jet oxygen rifle of burner hearth bottom heat supply Download PDFInfo
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- CN206410529U CN206410529U CN201621381559.4U CN201621381559U CN206410529U CN 206410529 U CN206410529 U CN 206410529U CN 201621381559 U CN201621381559 U CN 201621381559U CN 206410529 U CN206410529 U CN 206410529U
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- oxygen
- barrier
- oxygen rifle
- muzzle
- clathrum
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- 239000001301 oxygen Substances 0.000 title claims abstract description 140
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 140
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 239000007789 gas Substances 0.000 claims abstract description 53
- 230000004888 barrier function Effects 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000013019 agitation Methods 0.000 abstract description 8
- 238000003723 Smelting Methods 0.000 description 20
- 238000003756 stirring Methods 0.000 description 19
- 229910052500 inorganic mineral Inorganic materials 0.000 description 16
- 239000011707 mineral Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000006378 damage Effects 0.000 description 8
- 239000000446 fuel Substances 0.000 description 8
- 238000007499 fusion processing Methods 0.000 description 8
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QRSFFHRCBYCWBS-UHFFFAOYSA-N [O].[O] Chemical compound [O].[O] QRSFFHRCBYCWBS-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model is related to a kind of rotating jet oxygen rifle of burner hearth bottom heat supply, belongs to metallurgical industry production technical field.The rotating jet oxygen rifle includes barrier clathrum, barrier clathrum is installed on the oxygen rifle muzzle of oxygen gun body, and barrier clathrum includes the centre position oxygen spout communicated with oxygen rifle muzzle, the muzzle barrier of the triangularpath gas outlet being uniformly arranged on around oxygen spout, round edge provided with the water-cooling channel outlet communicated with oxygen gun body water-cooling channel and the oblique lattice formation being provided with vacant position.The burner hearth bottom heat supply is to install barrier clathrum additional in the oxygen rifle muzzle so that the rotating jet flowing trace being partitioned into is more scattered, and flow velocity reaches the purpose in fully agitation molten bath.
Description
Technical field
The utility model is related to a kind of rotating jet oxygen rifle of burner hearth bottom heat supply, belongs to metallurgical industry production technology neck
Domain.
Background technology
In metallurgical production process, metallurgical furnace kiln is main metallurgical reaction generating means, and oxygen rifle is crucial technique
One of equipment, it is completed to blow the work of oxygen into stove, and oxygen is sprayed into liquid metal in burner hearth bottom, to realize that metal melts
The smelting reaction in pond.Oxygen rifle is worked under furnace high-temperature, and cooling protection oxygen gun body overheat is carried out using recirculated water.Wherein oxygen rifle
Most important part be muzzle shower nozzle, the structure of shower nozzle directly determines the aerodynamics property of oxygen jet.Therefore, to spray
The basic demand of head is that the kinetic parameter to form jet should meet the regulation of technological requirement, and can be kept when being used for a long time
The characteristic of jet is constant.
Laval jet pipe can be effectively kinetic energy the pressure energy of oxygen.And the acceleration that can be stablized
Jet.When requiring that jet has identical to go deep into pool depth, additionaling power demand is smaller, thus substantially improves in molten bath
Dynamic conditions, less Gas injection speed impacts smaller to gun body, therefore improves life-span of oxygen lance.
The content of the invention
The problem of existing for above-mentioned prior art and deficiency, the utility model provide a kind of rotation of burner hearth bottom heat supply
Fluidic oxygen gun.The burner hearth bottom heat supply is to install barrier clathrum additional in the oxygen rifle muzzle so that the rotating jet stream being partitioned into
Dynamic trace is more scattered, and flow velocity reaches the purpose in fully agitation molten bath；Vulcanization of this method in oxygen and mineral aggregate is made full use of
Thing carries out chemical reaction and releases heat, while gas jet is formed while bubbles entrain melt is moved upwards, there is provided a kind of horizontal
To power of vacillating now to the left, now to the right.The injection method can substantially more stir molten on the premise of the original momentum of jet is not increased
Pond, while change single bath movement mode, the upward kinetic energy of reduction melt, it is to avoid high-temperature fusant is sputtered to furnace wall and flue
The erosion corrosion of mouth.The flow field being internally formed by destroying molten bath solution can effectively improve reaction efficiency, reduction flue dust incidence,
Effectively prevent flue blockage.Meet the high production capacity of modern production, low energy consumption, low stain, the smelting requirements for controlling cost.
The thermal balance of metallurgical smelting process occurs to chemically react what is released mainly by the oxygen that oxygen rifle is ejected with concentrate
Heat is maintained, and oxygen rifle jet has important influence to the autothermal reaction in stove to the impact behavior in molten bath.By to top
The research of the speed distribution regularities of oxygen jet in smelting furnace is blown, oxygen jet characteristic in stove is grasped, one kind is developed accordingly
The rotational oscillation fluidic oxygen gun of burner hearth bottom heat supply.Suitable grid inclination angle is determined by revolving jet luid mechanics computation model,
So that the rotating jet stirring capacity being partitioned into is improved, the stirring diameter increase in molten bath reaches the purpose in fully agitation molten bath.
The achievement is so that smelting system bulk life time improves 1.3 times, and production capacity improves about 4 times, and energy consumption reduces about 60%.
The utility model is achieved through the following technical solutions.
A kind of rotating jet oxygen rifle of burner hearth bottom heat supply, including oxygen gun body 1, gas passage 3, water-cooling channel 4 and oxygen
Rifle muzzle 5, the inside center of oxygen gun body 1 is gas passage 3, and gas passage 3 is used in Laval nozzle, oxygen gun body 1
Portion is additionally provided with some water-cooling channels 4 around gas passage 3, and oxygen rifle muzzle 5 is located at the top of gas passage 3 and and gas passage
3 are communicated, in addition to barrier clathrum, and barrier clathrum is installed on the oxygen rifle muzzle 5 of oxygen gun body 1, and barrier clathrum includes
Oxygen spout that centre position is communicated with oxygen rifle muzzle 5, the triangularpath gas being uniformly arranged on around oxygen spout outlet, set on round edge
There is the rifle for the oblique lattice formation being provided with the water-cooling channel communicated with the water-cooling channel 4 of oxygen gun body 1 outlet and vacant position
Mouth barrier 2.
The angle of inclination of muzzle barrier 2 is 5 ~ 10 °.
The application process of the rotating jet oxygen rifle of the described burner hearth bottom heat supply：
The arrangement of rotating jet oxygen rifle is placed in burner hearth bottom stirring area, oxygen rifle axis exists with the vertical line of bottom convertor 6
Angle a, a excursion are 0 ~ 20 °, and control bath surface to be less than the horizontal position of body of heater；Material is added from charge door
Enter in smelting furnace, and the pressurized equipment of oxygen is blasted into gas passage 3, and in muzzle barrier 2 dozens after the passage is accelerated
Dissipate, formation multiply rotating jet, then blast bath and be stirred.Oxygen both plays stirring action, at the same with mineral aggregate particle
Generation oxidation reaction releases substantial amounts of heat, maintains needed for smelting.Cause to ensure that the stirring intensity of jet is unlikely to excessive
Liquid level splash damages body of heater, therefore oxygen rifle and body of heater veritcal linearity have a certain degree a during injection, extends jet
Flow distance in molten bath, slows down the impulsive force of bubble rising, effectively suppresses the generation of liquid level splash.Bottom blown gas jet mixing
Molten bath is readily formed stable flow field, prolonged stable stirring deterioration of efficiency for smelting.And utilize multiple jetses
Influence each other and produce Turning motion effect, constantly destruction agitation jet-core region both sides solution formation steady flow condition, between promotion particle
Mutual collision so that oxygen and the abundant haptoreaction of mineral aggregate, while discharging amount of heat supply molten bath.Pass through good power
Chemical energy in mineral aggregate is effectively converted into the heat needed for heat energy meets fusion process by condition.The heat of whole fusion process
Balance occurs chemical reaction institute's liberated heat and rotation oxygen jet with concentrate mainly by the oxygen that oxygen rifle is ejected and can
Combustion gas body burns liberated heat to maintain, therefore does not need extra fuel during smelting, can reduce production cost,
Increase the life-span of body of heater uninterrupted working time and body of heater key position.
Above-mentioned oxygen oxygen content is 95~99wt%.
The beneficial effects of the utility model are：
First, coefficient of oxygen utilization is high, and flue dust incidence is low, and amount of sulfur contenting in smoke is high, and residual oxygen content is down to less than 3% by 6% in flue gas,
Dust rate is down to SO in less than 0.7%, flue gas by 1.5%2Content averagely improves more than 5%, SO2Instantaneous concentration up to 7000 ~
10000mg/Nm3；
2nd, 30 ~ 40 times a diameter of compared to oxygen rifle of diameter of gas jet agitation, molten bath is integrally stirred and is more uniformly distributed, chemistry
It is thorough that reaction is carried out, therefore high by reacting the heat produced, and energy is provided without extra fuel；
3rd, the body of heater proportion of goods damageds are reduced, and by being reasonably blown mechanism, effectively reduce gas jet and molten bath to furnace lining
Impact, protects the key positions such as oxygen rifle, floss hole and furnace wall, converter life is lifted 20%.
4th, the whole process noble metal rate of recovery of product is promoted to 97.50% by 93.18%.
Brief description of the drawings
Fig. 1 is the utility model barrier clathrum structural representation；
Fig. 2 is the utility model oxygen rifle structural representation；
Fig. 3 is the utility model oxygen rifle mounting structure schematic diagram.
In figure：1- oxygen gun bodies, 2- muzzle barriers, 3- gas passages, 4- water-cooling channels, 5- oxygen rifle muzzle, 6- bottom blowings
Stove, 7- oxygen rifles inclination angle.
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is described in further detail.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of rotating jet oxygen rifle of burner hearth bottom heat supply, including oxygen gun body 1, gas passage 3,
Water-cooling channel 4 and oxygen rifle muzzle 5, the inside center of oxygen gun body 1 are gas passage 3, and gas passage 3 is sprayed using Lavalle
Some water-cooling channels 4 around gas passage 3 are additionally provided with inside pipe, oxygen gun body 1, oxygen rifle muzzle 5 is pushed up positioned at gas passage 3
Portion and communicated with gas passage 3, in addition to barrier clathrum, barrier clathrum is installed on the oxygen rifle muzzle 5 of oxygen gun body 1,
Barrier clathrum includes the oxygen spout that centre position is communicated with oxygen rifle muzzle 5, the triangle gas being uniformly arranged on around oxygen spout
Body outlet, round edge be provided with communicated with the water-cooling channel 4 of oxygen gun body 1 water-cooling channel outlet and vacant position at be provided with incline
The muzzle barrier 2 of oblique grid protocol.
Wherein the angle of inclination of muzzle barrier 2 is 5 °.
As shown in figure 3, the application process of the rotating jet oxygen rifle of the described burner hearth bottom heat supply：
The arrangement of rotating jet oxygen rifle is placed in burner hearth bottom stirring area, oxygen rifle axis exists with the vertical line of bottom convertor 6
Angle a, a excursion are 0 °, and control bath surface to be less than the horizontal position of body of heater；By material（Mineral aggregate is copper concentrate,
Including following mass percent component：Cu65%, Fe4.5%, S22%, Ni1% etc.）Added from charge door in smelting furnace, and by oxygen
Pressurized equipment blasts gas passage 3, and is broken up after the passage is accelerated in muzzle barrier 2, forms multiply rotating jet,
Bath is blasted again to be stirred.Oxygen both plays stirring action, while occurring oxidation reaction with mineral aggregate particle releases a large amount of
Heat, maintain smelt needed for.Liquid level splash is caused to damage body of heater in order to ensure that the stirring intensity of jet is unlikely to excessive, therefore
Oxygen rifle and body of heater veritcal linearity are had a certain degree a during injection, extension jet slows down in the flow distance in molten bath
The impulsive force that bubble rises, effectively suppresses the generation of liquid level splash.Bottom blown gas jet mixing molten bath is readily formed stable
Flow field, prolonged stable stirring deterioration of efficiency for smelting.And influenced each other generation Turning motion using multiple jetses
Effect, constantly destruction agitation jet-core region both sides solution formation steady flow condition, promote interparticle mutual collision so that oxygen and
The abundant haptoreaction of mineral aggregate, while discharging amount of heat supply molten bath.By good dynamic conditions by the chemistry in mineral aggregate
Heat energy can be effectively converted into and meet heat needed for fusion process.The thermal balance of whole fusion process is ejected mainly by oxygen rifle
Oxygen and concentrate occur chemical reaction institute's liberated heat and rotation oxygen jet and gas fuel burning liberated heat
To maintain, therefore extra fuel is not needed during smelting, production cost can be reduced, increase body of heater uninterrupted working time
And the life-span of body of heater key position.Temperature can be maintained at 2100~2300k or so near high oxidation area, in whole melting
During temperature at the face of solid furnace wall can be constant in 1600~1700k.
Residual oxygen content is down to less than 3% by 6% in flue gas in the present embodiment, and dust rate is down to less than 0.7% by 1.5%, and slag contains
Copper is down to less than 2.4% by 3.2%, is down to below 0.27g/t by 0.67g/t containing gold, argentiferous 114g/t is down to below 62g/t, cigarette
SO in gas2Content averagely improves more than 5%, SO2Instantaneous concentration up to 7000 ~ 10000mg/Nm3.Copper in Slag is by 0.767% drop
To less than 0.572%, slag argentiferous is down to below 2.7g/t by 7.5g/t.The melt that the utility model is prepared is through existing procedure
Method prepare subsequent product gold recovery and be promoted to 97.30% by 93.18%, silver raising recovery rate is promoted to by 94.04%
96.30%。
Embodiment 2
As illustrated in fig. 1 and 2, a kind of rotating jet oxygen rifle of burner hearth bottom heat supply, including oxygen gun body 1, gas passage 3,
Water-cooling channel 4 and oxygen rifle muzzle 5, the inside center of oxygen gun body 1 are gas passage 3, and gas passage 3 is sprayed using Lavalle
Some water-cooling channels 4 around gas passage 3 are additionally provided with inside pipe, oxygen gun body 1, oxygen rifle muzzle 5 is pushed up positioned at gas passage 3
Portion and communicated with gas passage 3, in addition to barrier clathrum, barrier clathrum is installed on the oxygen rifle muzzle 5 of oxygen gun body 1,
Barrier clathrum includes the oxygen spout that centre position is communicated with oxygen rifle muzzle 5, the triangle gas being uniformly arranged on around oxygen spout
Body outlet, round edge be provided with communicated with the water-cooling channel 4 of oxygen gun body 1 water-cooling channel outlet and vacant position at be provided with incline
The muzzle barrier 2 of oblique grid protocol.
Wherein the angle of inclination of muzzle barrier 2 is 10 °.
As shown in figure 3, the application process of the rotating jet oxygen rifle of the described burner hearth bottom heat supply：
The arrangement of rotating jet oxygen rifle is placed in burner hearth bottom stirring area, oxygen rifle axis exists with the vertical line of bottom convertor 6
Angle a, a excursion are 10 °, and control bath surface to be less than the horizontal position of body of heater；By material（Mineral aggregate is copper essence
Ore deposit, including following mass percent component：Cu65%, Fe4.5%, S22%, Ni1% etc.）Added from charge door in smelting furnace, and will
The pressurized equipment of oxygen blasts gas passage 3, and is broken up after the passage is accelerated in muzzle barrier 2, forms multiply rotation
Jet, then blast bath and be stirred.Oxygen both plays stirring action, is released while occurring oxidation reaction with mineral aggregate particle
Substantial amounts of heat, is maintained needed for smelting.Liquid level splash is caused to damage body of heater in order to ensure that the stirring intensity of jet is unlikely to excessive,
Therefore oxygen rifle and body of heater veritcal linearity are had a certain degree a during injection, extension jet molten bath flow distance,
Slow down the impulsive force of bubble rising, effectively suppress the generation of liquid level splash.Bottom blown gas jet mixing molten bath is readily formed surely
Fixed flow field, prolonged stable stirring deterioration of efficiency for smelting.And waved using the multiple jetses generation that influences each other
Oscillation effect, constantly destruction agitation jet-core region both sides solution formation steady flow condition, promote interparticle mutual collision so that oxygen
Gas and the abundant haptoreaction of mineral aggregate, while discharging amount of heat supply molten bath.By good dynamic conditions by mineral aggregate
Chemical energy is effectively converted into heat energy and meets heat needed for fusion process.The thermal balance of whole fusion process is mainly by oxygen lance spraying
The oxygen of injection occurs what chemical reaction institute's liberated heat and rotation oxygen jet were released with gas fuel burning with concentrate
Heat does not need extra fuel to maintain during smelting, can reduce production cost, and increase body of heater is worked continuously
Time and the life-span of body of heater key position.
This kind of mode can effectively suppress the amplitude of splash so that pool level fluctuation amplitude is little, therefore for bottom blowing
Top furnace wall, flue and the oxygen rifle of stove 6 play a part of protection.Can put forward bottom convertor uninterrupted working time using this kind of mode
It is high by 20%, the bulk life time time of bottom convertor 6 increase by 10%.
Embodiment 3
As illustrated in fig. 1 and 2, a kind of rotating jet oxygen rifle of burner hearth bottom heat supply, including oxygen gun body 1, gas passage 3,
Water-cooling channel 4 and oxygen rifle muzzle 5, the inside center of oxygen gun body 1 are gas passage 3, and gas passage 3 is sprayed using Lavalle
Some water-cooling channels 4 around gas passage 3 are additionally provided with inside pipe, oxygen gun body 1, oxygen rifle muzzle 5 is pushed up positioned at gas passage 3
Portion and communicated with gas passage 3, in addition to barrier clathrum, barrier clathrum is installed on the oxygen rifle muzzle 5 of oxygen gun body 1,
Barrier clathrum includes the oxygen spout that centre position is communicated with oxygen rifle muzzle 5, the triangle gas being uniformly arranged on around oxygen spout
Body outlet, round edge be provided with communicated with the water-cooling channel 4 of oxygen gun body 1 water-cooling channel outlet and vacant position at be provided with incline
The muzzle barrier 2 of oblique grid protocol.
Wherein the angle of inclination of muzzle barrier 2 is 8 °.
As shown in figure 3, the application process of the rotating jet oxygen rifle of the described burner hearth bottom heat supply：
The arrangement of rotating jet oxygen rifle is placed in burner hearth bottom stirring area, oxygen rifle axis exists with the vertical line of bottom convertor 6
Angle a, a excursion are 15 °, and control bath surface to be less than the horizontal position of body of heater；By material（Mineral aggregate is copper essence
Ore deposit, including following mass percent component：Cu65%, Fe4.5%, S22%, Ni1% etc.）Added from charge door in smelting furnace, and will
The pressurized equipment of oxygen blasts gas passage 3, and is broken up after the passage is accelerated in muzzle barrier 2, forms multiply rotation
Jet, then blast bath and be stirred.Oxygen both plays stirring action, is released while occurring oxidation reaction with mineral aggregate particle
Substantial amounts of heat, is maintained needed for smelting.Liquid level splash is caused to damage body of heater in order to ensure that the stirring intensity of jet is unlikely to excessive,
Therefore oxygen rifle and body of heater veritcal linearity are had a certain degree a during injection, extension jet molten bath flow distance,
Slow down the impulsive force of bubble rising, effectively suppress the generation of liquid level splash.Bottom blown gas jet mixing molten bath is readily formed surely
Fixed flow field, prolonged stable stirring deterioration of efficiency for smelting.And waved using the multiple jetses generation that influences each other
Oscillation effect, constantly destruction agitation jet-core region both sides solution formation steady flow condition, promote interparticle mutual collision so that oxygen
Gas and the abundant haptoreaction of mineral aggregate, while discharging amount of heat supply molten bath.By good dynamic conditions by mineral aggregate
Chemical energy is effectively converted into heat energy and meets heat needed for fusion process.The thermal balance of whole fusion process is mainly by oxygen lance spraying
The oxygen of injection occurs what chemical reaction institute's liberated heat and rotation oxygen jet were released with gas fuel burning with concentrate
Heat does not need extra fuel to maintain during smelting, can reduce production cost, and increase body of heater is worked continuously
Time and the life-span of body of heater key position.
Embodiment of the present utility model is explained in detail above in association with accompanying drawing, but the utility model is not
It is limited to above-mentioned embodiment, in the knowledge that those of ordinary skill in the art possess, this practicality can also be not being departed from
Various changes can be made on the premise of new objective.
Claims (2)
1. a kind of rotating jet oxygen rifle of burner hearth bottom heat supply, including oxygen gun body（1）, gas passage（3）, water-cooling channel（4）
With oxygen rifle muzzle（5）, the oxygen gun body（1）Inside center is gas passage（3）, gas passage（3）Using Laval nozzle,
Oxygen gun body（1）Inside is additionally provided with around gas passage（3）Some water-cooling channels（4）, oxygen rifle muzzle（5）It is logical positioned at gas
Road（3）Top and and gas passage（3）Communicate, it is characterised in that：Also include barrier clathrum, barrier clathrum is installed to oxygen rifle
Gun body（1）Oxygen rifle muzzle（5）On, barrier clathrum includes centre position and oxygen rifle muzzle（5）The oxygen spout that communicates, uniformly set
Put the outlet of the triangularpath gas around oxygen spout, be provided with and oxygen gun body on round edge（1）Water-cooling channel（4）The water cooling communicated is led to
The muzzle barrier for the oblique lattice formation being provided with road outlet and vacant position（2）.
2. the rotating jet oxygen rifle of burner hearth bottom heat supply according to claim 1, it is characterised in that：The muzzle barrier
（2）Angle of inclination is 5 ~ 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621381559.4U CN206410529U (en) | 2016-12-16 | 2016-12-16 | A kind of rotating jet oxygen rifle of burner hearth bottom heat supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621381559.4U CN206410529U (en) | 2016-12-16 | 2016-12-16 | A kind of rotating jet oxygen rifle of burner hearth bottom heat supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206410529U true CN206410529U (en) | 2017-08-15 |
Family
ID=59550964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621381559.4U Active CN206410529U (en) | 2016-12-16 | 2016-12-16 | A kind of rotating jet oxygen rifle of burner hearth bottom heat supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206410529U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705680A (en) * | 2016-12-16 | 2017-05-24 | 昆明理工大学 | Swirling jet oxygen lance for heating bottom part of hearth, and application method of swirling jet oxygen lance |
| CN108253799A (en) * | 2018-02-22 | 2018-07-06 | 中国恩菲工程技术有限公司 | side-blown spray gun |
-
2016
- 2016-12-16 CN CN201621381559.4U patent/CN206410529U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705680A (en) * | 2016-12-16 | 2017-05-24 | 昆明理工大学 | Swirling jet oxygen lance for heating bottom part of hearth, and application method of swirling jet oxygen lance |
| CN106705680B (en) * | 2016-12-16 | 2023-05-12 | 昆明理工大学 | Rotary jet oxygen gun for supplying heat to bottom of hearth and application method thereof |
| CN108253799A (en) * | 2018-02-22 | 2018-07-06 | 中国恩菲工程技术有限公司 | side-blown spray gun |
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