CN205821421U - A kind of non-immersion total oxygen top blast speed change fluidic oxygen gun and application apparatus thereof - Google Patents
A kind of non-immersion total oxygen top blast speed change fluidic oxygen gun and application apparatus thereof Download PDFInfo
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- CN205821421U CN205821421U CN201620601414.4U CN201620601414U CN205821421U CN 205821421 U CN205821421 U CN 205821421U CN 201620601414 U CN201620601414 U CN 201620601414U CN 205821421 U CN205821421 U CN 205821421U
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- oxygen
- speed change
- channel
- gun
- change fluidic
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- 239000001301 oxygen Substances 0.000 title claims abstract description 108
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 108
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 238000007654 immersion Methods 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 239000000446 fuel Substances 0.000 claims abstract description 16
- 239000002893 slag Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 239000003500 flue dust Substances 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 18
- 238000000034 method Methods 0.000 description 10
- 229910052759 nickel Inorganic materials 0.000 description 9
- 239000003546 flue gas Substances 0.000 description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 238000003723 Smelting Methods 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical class [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 229940069428 antacid Drugs 0.000 description 2
- 239000003159 antacid agent Substances 0.000 description 2
- 230000001458 anti-acid effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000007499 fusion processing Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- 241000722270 Regulus Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
This utility model relates to a kind of non-immersion total oxygen top blast speed change fluidic oxygen gun and application apparatus thereof, belongs to metallurgical industry production technical field.This total oxygen speed change fluidic oxygen gun uses the blowing mode of non-immersed top-blown, and oxygen jet velocities is entered in molten bath when being continually changing by oxygen rifle, forms the speed change jet centered by axis.Described speed change fluidic oxygen gun includes oxygen channel, supplements fuel channel, water-cooling channel, and oxygen channel is positioned at speed change fluidic oxygen gun inside center；The sidewall of speed change fluidic oxygen gun is provided with multiple fuel channel running through gun body and water-cooling channel, and adjacent water-cooling channel seals connection；Oxygen channel and oxygen supply system connectivity.Speed change oxygen jet described in the utility model acts on weld pool surface and is avoided that high-temperature fusant can be effectively improved reaction efficiency to metallurgical furnace wall and the erosion corrosion of oxygen rifle, the flow field that destruction molten bath solution is internally formed, reduce flue dust incidence rate.
Description
Technical field
This utility model relates to a kind of non-immersion total oxygen top blast speed change fluidic oxygen gun and application apparatus thereof, belongs to metallurgical work
Industry production technical field.
Background technology
Nickel sulfide ore pyrometallurgical smelting typically uses " low nickel matte matte smelting (Flash Smelting Furnace, electric furnace or oxygen top blown melting at present
Stove) high nickel matte (oxygen coverter) mill that blows is floating separates the electrolysis of high nickel matte " technique, obtain electrolytic nickel.Low
In the production process of nickel matte and high nickel matte, the taste of nickel can reach 12%.High nickel matte in fusion process due to nickel and Armco magnetic iron
Existence, the viscosity of the common copper matte regulus of ratio of viscosities is big so that common injection method is little for the mixing effect in molten bath, even can not
Agitation molten bath, is so unfavorable for that mineral aggregate reacts with oxygen.Furnace interior viscosity is excessive simultaneously, and oxygen rifle can not insert in liquid
Jetting, otherwise solution is bonded on oxygen rifle, makes the loss of oxygen rifle accelerate.
Summary of the invention
This utility model provides a kind of non-immersion total oxygen top blast speed change fluidic oxygen gun, and described speed change fluidic oxygen gun includes oxygen
Gas passage 3, supplementary fuel channel 4, water-cooling channel 5, oxygen channel 3 is positioned at speed change fluidic oxygen gun inside center；Speed change jet
The sidewall of oxygen rifle is provided with multiple fuel channel 4 running through gun body and water-cooling channel 5, and adjacent water-cooling channel 5 seals connection；Oxygen
Gas passage 3 connects with oxygen supply system 1.
Preferably, oxygen channel 3 described in the utility model is Laval nozzle, and Laval nozzle is flaring type straight tube, long
30～50cm, diameter 15～25cm.
The application apparatus of non-immersion total oxygen top blast speed change fluidic oxygen gun described in the utility model, also includes slag tap 8, melts
Body outlet 9, smokejack 10, charge door 11 and metallurgical body of heater 7, speed change fluidic oxygen gun inserts from metallurgical body of heater 2 top, metallurgical body of heater
2 tops are provided with the smokejack 10 and charge door 11 communicated with metallurgical body of heater 2, and metallurgical side, body of heater 2 bottom is provided with slag tap 8, smelting
Bottom gold body of heater 2, opposite side is provided with melt outlet 9.
The application process of the application apparatus of non-immersion total oxygen top blast speed change fluidic oxygen gun described in the utility model:
(1) first oxygen rifle is inserted from body of heater top, and command range bath surface 200mm～450mm；
(2) being added from charge door 11 by mineral aggregate 6 and put in body of heater 7, total oxygen oxygen channel 3 from oxygen rifle, cooling water are from oxygen
Water-cooling channel 5 in rifle is passed through, if there being demand to be passed through from the fuel channel 4 of oxygen rifle by fuel, total oxygen passes through oxygen with speed change state
Rifle enters in molten bath, forms the oxygen jet centered by axis, material is heated to required smelting temperature, in the process
The flue gas produced is discharged from smokejack 10, has smelted rear slag and has discharged from slag tap 8, and melt is discharged from melt outlet 9.Because of molten
In pond, liquid viscosity is big；If impacting molten bath under same speed, it is easy to forming stable flow field, this is for melting bath stirring
For effect be deteriorated；And with the effect impacting molten bath at various speeds of speed change jet, constantly destroy agitation jet-core region two
Side solution forms steady flow condition, promotes interparticle mutual collision so that oxygen and mineral aggregate are fully contacted reaction, and release is big simultaneously
Calorimetric amount supply molten bath；By good dynamic conditions, the chemical energy in mineral aggregate is effectively converted into heat energy and meets melting
The heat of Cheng Suoxu.The oxygen that the thermal balance of whole fusion process penetrates mainly by oxygen lance spraying is put with concentrate generation chemical reaction
The heat and the rotation oxygen jet that go out maintain with gas fuel burning liberated heat.SO in flue gas2Content averagely improves
2.5%, SO2Instantaneous concentration up to 7000 ~ 10000mg/Nm3, the high SO that generated by this PROCESS FOR TREATMENT2Flue gas is then by discharging fume
Antacid operation is delivered in road.
In described total oxygen, oxygen content is 95～99wt%.
The beneficial effects of the utility model are:
Speed change oxygen jet described in the utility model act on weld pool surface be avoided that high-temperature fusant to metallurgical furnace wall and
The erosion corrosion of oxygen rifle, the flow field that destruction molten bath solution is internally formed can be effectively improved reaction efficiency, reduce flue dust incidence rate, oxygen
Gas jet promotes gas fuel burning in burner hearth so that in flue gas, sulfur content is high, is of value to follow-up acid-making process；Meet the modern times raw
Produce high production capacity, low energy consumption, low stain, the smelting requirements of control cost.
Accompanying drawing explanation
Fig. 1 is this utility model non-immersion total oxygen top blast speed change fluidic oxygen gun schematic top plan view；
Fig. 2 is this utility model supersonic speed rotating jet oxygen rifle application apparatus structural representation.
In figure: 1-oxygen supply system, 2-gas control valve, 3-oxygen channel, 4-fuel channel, 5-water-cooling channel,
6-mineral aggregate, 7-body of heater, 8-slag tap, 9-melt outlet, 10-smokejack, 11-charge door.
Detailed description of the invention
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings, but protection of the present utility model
Scope is not limited to described content.
Embodiment 1
As shown in Figure 1 and 2, non-immersion total oxygen top blast speed change fluidic oxygen gun described in the present embodiment includes oxygen channel 3, mends
Filling fuel channel 4, water-cooling channel 5, oxygen channel 3 is positioned at speed change fluidic oxygen gun inside center；The sidewall of speed change fluidic oxygen gun
Being provided with multiple fuel channel 4 running through gun body and water-cooling channel 5, adjacent water-cooling channel 5 seals connection；Oxygen channel 3 with
Oxygen supply system 1 connects；Wherein, oxygen channel 3 is Laval nozzle, and Laval nozzle is flaring type straight tube, long 35cm, directly
Footpath 20cm.
Embodiment 2
Described in the present embodiment, the application apparatus of non-immersion total oxygen top blast speed change fluidic oxygen gun, also includes slag tap 8, melt
Outlet 9, smokejack 10, charge door 11 and metallurgical body of heater 7, speed change fluidic oxygen gun inserts from metallurgical body of heater 2 top, metallurgical body of heater 2
Top is provided with the smokejack 10 and charge door 11 communicated with metallurgical body of heater 2, and metallurgical side, body of heater 2 bottom is provided with slag tap 8, metallurgical
Bottom body of heater 2, opposite side is provided with melt outlet 9, as shown in Figure 2.
Non-immersion total oxygen top blast speed change fluidic oxygen gun described in the present embodiment include oxygen channel 3, supplement fuel channel 4,
Water-cooling channel 5, oxygen channel 3 is positioned at speed change fluidic oxygen gun inside center；The sidewall of speed change fluidic oxygen gun is provided with multiple passing through
Wearing fuel channel 4 and the water-cooling channel 5 of gun body, adjacent water-cooling channel 5 seals connection；Oxygen channel 3 and oxygen supply system 1
Connection；Wherein, oxygen channel 3 is Laval nozzle, and Laval nozzle is flaring type straight tube, long 40cm, diameter 25cm.
The application process of the application apparatus of non-immersion total oxygen top blast speed change fluidic oxygen gun described in the present embodiment:
(1) first oxygen rifle is inserted from body of heater 7 top, and command range bath surface 400mm, muzzle velocity is rapid from 0
Increase to 2 Mach；
(2) by 1000kg mineral aggregate (mineral aggregate is copper concentrate, including following mass percent component: Cu65%, Fe4.5%,
S22%, Ni1% etc.) to put in body of heater 7 from charge door 11 addition, the total oxygen (in total oxygen, oxygen content is 95wt%) oxygen from oxygen rifle leads to
Road 3, cooling water water-cooling channel 5 from gun body 2 are passed through, and are passed through from the fuel channel 4 of oxygen rifle by supplementary heavy oil, and total oxygen is fast with zero
Speed is increased to 2 Mach of supersonic condition and is entered in molten bath by oxygen rifle, forms the supersonic jet centered by axis, formed with
Supersonic jet centered by axis, supersonic jet impact solution surface, in the liquid phase of molten bath, form an obvious depression
Face, its liquid phase flowing velocity can reach 45～50m/s.Being internally formed flow field in liquid phase makes mineral aggregate granule fully connect with oxygen
Touching, promote interparticle collision, promote that chemical reaction is carried out, discharge amount of heat, near concave face, temperature can be maintained at
2100～about 2300k；Jet boundary layer formed rotating jet, this rotating jet due to the effect of revolving force, its air velocity
Can occur significantly to decay.Rotating jet speed only has 1st/to two/3rds of central jet speed, but enough drives
In furnace chamber, fuel gas constantly flows, and these fuel gas also can fully burn, and discharges heat supply molten bath.In whole melting
During temperature at face, solid furnace wall can be constant 1600～1700k, the flue gas produced in the process is from smokejack 10
Discharging, smelted rear slag and discharged from slag tap 8, melt is discharged from melt outlet 9.SO in flue gas2Content averagely improves
2.8%, SO2Instantaneous concentration up to 8000 ~ 11000mg/Nm3, the high SO that generated by this PROCESS FOR TREATMENT2Flue gas is then by smokejack
Deliver to antacid operation, within average 1 year, reduce discharging SO28～100,000 tons.
In the present embodiment, in flue gas, residual oxygen content is down to less than 3% by 6%, and dust rate is down to less than 0.80% by 1.42%, contains
Copper is down to less than 2.4% by 3.2%, is down to below 0.27g/t, argentiferous 114g/t containing gold by 0.67g/t and is down to below 62g/t, cigarette
SO in gas2Content averagely improves more than 2.5%, SO2Instantaneous concentration up to 7000 ~ 10000mg/Nm3.Copper in Slag is by 0.767%
Being down to less than 0.572%, slag argentiferous is down to below 2.7g/t by 7.5g/t.The melt that this utility model prepares is through existing stream
The method of journey prepares subsequent product gold recovery and is promoted to 97.30% by 93.18%, and silver raising recovery rate is promoted to by 94.04%
96.30%。
Above in association with accompanying drawing, detailed description of the invention of the present utility model is explained in detail, but this utility model is not
It is limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to without departing from this practicality
On the premise of novel objective, various changes can be made.
Claims (3)
1. a non-immersion total oxygen top blast speed change fluidic oxygen gun, it is characterised in that: include that oxygen channel (3), supplementary fuel lead to
Road (4), water-cooling channel (5), oxygen channel (3) is positioned at speed change fluidic oxygen gun inside center；On the sidewall of speed change fluidic oxygen gun
Being provided with multiple fuel channel (4) running through gun body and water-cooling channel (5), adjacent water-cooling channel (5) seals connection；Oxygen channel
(3) connect with oxygen supply system (1).
The most non-immersion total oxygen top blast speed change fluidic oxygen gun, it is characterised in that: described oxygen channel
(3) being Laval nozzle, Laval nozzle is flaring type straight tube a length of 30～50cm, a diameter of 15～25cm.
The application apparatus of non-immersion total oxygen top blast speed change fluidic oxygen gun the most according to claim 1 or claim 2, it is characterised in that:
Also include slag tap (8), melt outlet (9), smokejack (10), charge door (11) and metallurgical body of heater (7), speed change fluidic oxygen gun from
Metallurgical body of heater (2) top is inserted, and metallurgical body of heater (2) top is provided with the smokejack (10) and charge door communicated with metallurgical body of heater (2)
(11), metallurgical body of heater (2) side, bottom is provided with slag tap (8), and metallurgical body of heater (2) bottom opposite side is provided with melt outlet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601414.4U CN205821421U (en) | 2016-06-20 | 2016-06-20 | A kind of non-immersion total oxygen top blast speed change fluidic oxygen gun and application apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601414.4U CN205821421U (en) | 2016-06-20 | 2016-06-20 | A kind of non-immersion total oxygen top blast speed change fluidic oxygen gun and application apparatus thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205821421U true CN205821421U (en) | 2016-12-21 |
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ID=58145480
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620601414.4U Active CN205821421U (en) | 2016-06-20 | 2016-06-20 | A kind of non-immersion total oxygen top blast speed change fluidic oxygen gun and application apparatus thereof |
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| CN (1) | CN205821421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005255A (en) * | 2021-02-23 | 2021-06-22 | 浙江友谊新材料有限公司 | Top-blown smelting device capable of increasing stirring degree |
-
2016
- 2016-06-20 CN CN201620601414.4U patent/CN205821421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005255A (en) * | 2021-02-23 | 2021-06-22 | 浙江友谊新材料有限公司 | Top-blown smelting device capable of increasing stirring degree |
| CN113005255B (en) * | 2021-02-23 | 2022-06-07 | 浙江友谊新材料有限公司 | Top-blown smelting device capable of increasing stirring degree |
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| GR01 | Patent grant |