CN107043860A - BOTTOM OXYGEN gun platform - Google Patents
BOTTOM OXYGEN gun platform Download PDFInfo
- Publication number
- CN107043860A CN107043860A CN201710355597.5A CN201710355597A CN107043860A CN 107043860 A CN107043860 A CN 107043860A CN 201710355597 A CN201710355597 A CN 201710355597A CN 107043860 A CN107043860 A CN 107043860A
- Authority
- CN
- China
- Prior art keywords
- cooling device
- gun platform
- oxygen gun
- outer tunnel
- platform according
- 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.)
- Pending
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 63
- 239000001301 oxygen Substances 0.000 title claims abstract description 63
- 238000001816 cooling Methods 0.000 claims abstract description 54
- 239000011449 brick Substances 0.000 claims abstract description 24
- 239000003507 refrigerant Substances 0.000 claims abstract description 19
- 230000008676 import Effects 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 19
- 230000001681 protective effect Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009867 copper metallurgy Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001609368 Acamptopappus Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009871 lead metallurgy Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001869 rapid Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- C22B13/00—Obtaining lead
- C22B13/02—Obtaining lead by dry processes
-
- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
-
- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/12—Casings; Linings; Walls; Roofs incorporating cooling arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The present invention proposes BOTTOM OXYGEN gun platform, including：Cooling device, defined in the cooling device along its axially through oxygen rifle hole, defined in the side wall of the cooling device along its axially extending chamber, there is axially disposed dividing plate in the chamber, the chamber is divided into internal channel and outer tunnel by the dividing plate, the top of the dividing plate has the through hole for connecting the internal channel and the outer tunnel, and the side wall bottom of the cooling device has the refrigerant import and the refrigerant exit for connecting the outer tunnel for connecting the internal channel；Protecting cover of refractory brick, the protecting cover of refractory brick is set on the periphery wall of the cooling device.Oxygen rifle can effectively be protected by using the BOTTOM OXYGEN gun platform, extend the service life of oxygen rifle, the number of times for changing rifle is reduced, operating rate is improved.
Description
Technical field
The invention belongs to field of metallurgy, specifically, the present invention relates to BOTTOM OXYGEN gun platform.
Background technology
The BOTTOM OXYGEN holster brick of the oxygen bottom blowing converting furnace of the oxygen bottom blowing smelter and copper metallurgy of refining lead and copper metallurgy at present
Combined by 7 pieces of magnesite-chrome bricks, in production oxygen rifle spray into oxygen and stove in melt react heat release while drive stove
Interior melt is acutely seethed, and oxygen rifle covers brick apart from oxygen rifle recently, and the high temperature that is born and melt wash away most serious, serious shadow
Ring oxygen rifle cover brick service life, oxygen rifle set brick be washed it is thinning after, oxygen rifle is just directly exposed in high-temperature fusant, quickly oxygen rifle
Also it can be burnt, the replacing that stove carries out oxygen rifle and oxygen rifle set brick need to be rotated, operating rate is influenceed, in the big oxygen rifle quantity of production scale
In the case of comparing more, influence more obvious.Therefore, it is further improved currently used for the oxygen rifle set brick of protection oxygen rifle.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose a kind of BOTTOM OXYGEN gun platform, can effectively protect oxygen rifle by using the BOTTOM OXYGEN gun platform, extend oxygen rifle
Service life, reduce and change the number of times of rifle, improve operating rate.
According to an aspect of the present invention, the present invention proposes a kind of BOTTOM OXYGEN gun platform, bottom according to embodiments of the present invention
Oxygen blast gun platform includes：
Defined in cooling device, the cooling device along its axially through oxygen rifle hole, the side wall of the cooling device
Inside define along its axially extending chamber, there is axially disposed dividing plate in the chamber, the dividing plate is by the chamber
It is divided into internal channel and outer tunnel, the top of the dividing plate has the through hole for connecting the internal channel and the outer tunnel, described
The side wall bottom of cooling device has the refrigerant import and the refrigerant exit for connecting the outer tunnel for connecting the internal channel；
Protecting cover of refractory brick, the protecting cover of refractory brick is set on the periphery wall of the cooling device.
BOTTOM OXYGEN gun platform of the present invention includes cooling device and protecting cover of refractory brick, wherein, defined in cooling device along it
Axially extending chamber, and the internal channel with refrigerant import that is connected by setting dividing plate to be divided into chamber by through hole and
Outer tunnel with refrigerant exit.Thus, BOTTOM OXYGEN gun platform according to embodiments of the present invention is protected by cooling device and refractory brick
The collective effect of sheath can effectively reduce the operating temperature around oxygen rifle, extend its service life, so as to extend making for oxygen rifle
With the life-span, rifle number of times is changed in reduction, improves operating rate.
In addition, BOTTOM OXYGEN gun platform according to the above embodiment of the present invention can also have technical characteristic additional as follows：
In some embodiments of the invention, the cooling device is made of copper.
In some embodiments of the invention, the radial section product of the refractory brick from top to bottom gradually increases.Thus more
Plus be conveniently replaceable.
In some embodiments of the invention, BOTTOM OXYGEN gun platform also includes：Prolong heat-resisting alloy ring, the upper end of the protective case
Stretch beyond the upper end of the cooling device, the heat-resisting alloy ring is arranged on the upper end of the cooling device and positioned at the protection
In set.The purpose of cooling device is protected from there through setting heat-resisting alloy ring to reach, and then improves the resistance to of BOTTOM OXYGEN gun platform
High temperature and melt performance of flushing.
In some embodiments of the invention, the either flush of the heat-resisting alloy top surface of ring and the protective case.
In some embodiments of the invention, the heat-resisting alloy ring is connected with the cooling device grafting.Thus, when resistance to
It is easy to quick-replaceable during heat seal golden head scaling loss, and then improves operating efficiency.
In some embodiments of the invention, the refrigerant import is cooling-oil inlet, and the refrigerant exit is cooling oil
Outlet.Thus, the security of cooling device can be further improved as refrigerant using cooling oil.
In some embodiments of the invention, spiral steel plate is provided with the outer tunnel, the spiral steel plate will be described
A part for outer tunnel is separated into helical duct.Thus, it is possible to the sectional area of drainback passage be effectively reduced, so as to accelerate the stream of oil
Dynamic speed makes the flowing of oil reach turbulent flow conditions simultaneously, so as to reach the effect of reinforcing cooling effect.
In some embodiments of the invention, the spiral steel plate is arranged on the top in the outer tunnel.Thus, it is possible to
The flowing velocity of oil is further speeded up while making the flowing of oil reach turbulent flow conditions, reinforcing cooling effect is improved.
Brief description of the drawings
Fig. 1 is the structural representation of BOTTOM OXYGEN gun platform according to an embodiment of the invention.
Fig. 2 is the top view of the BOTTOM OXYGEN gun platform shown in Fig. 1.
Fig. 3 is the structural representation of the BOTTOM OXYGEN gun platform according to further embodiment of this invention.
Embodiment
Embodiments of the invention are 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
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
According to an aspect of the present invention, the present invention proposes a kind of BOTTOM OXYGEN gun platform, and this is described in detail below with reference to Fig. 1
The BOTTOM OXYGEN gun platform of invention specific embodiment.
As Figure 1-3, BOTTOM OXYGEN gun platform according to embodiments of the present invention includes：Cooling device 10 and protecting cover of refractory brick
20.Wherein, defined in cooling device 10 along its axially through oxygen rifle hole 11, define along it in the side wall of cooling device 10
There is axially disposed dividing plate 13, chamber is divided into the He of internal channel 14 by dividing plate 13 in axially extending chamber 12, chamber 12
Outer tunnel 15, the top of dividing plate has the through hole 16 of connection internal channel 14 and outer tunnel 15, the side wall bottom tool of cooling device 10
There are the refrigerant import 17 and the refrigerant exit 18 for connecting outer tunnel 15 of connection internal channel 14；Protecting cover of refractory brick 20 is set in cooling
On the periphery wall of device 10.
The BOTTOM OXYGEN gun platform of the above embodiment of the present invention is provided with cooling device 10 and protecting cover of refractory brick 20, wherein, it is cold
But defined in device 10 along its axially extending chamber 12, and be by the phase of through hole 16 by setting dividing plate 13 by 12 points of chamber
The internal channel 14 with refrigerant import 17 and the outer tunnel 15 with refrigerant exit 18 of connection.Thus, according to present invention implementation
The BOTTOM OXYGEN gun platform of example can be effectively reduced around oxygen rifle by the collective effect of cooling device 10 and protecting cover of refractory brick 20
Operating temperature, extend its service life, so as to extend the service life of oxygen rifle, rifle number of times is changed in reduction, improves operating rate.
According to a particular embodiment of the invention, cooling device is made of copper, because the thermal conductivity factor of copper is higher, can be compared with
The required heat transfer taken away is taken away to conduction oil soon.
According to a particular embodiment of the invention, as Figure 1-3, protecting cover of refractory brick 20 has preferable heat-resisting quantity
Can, using material of the refractory brick as protective case, the position that melt is touched on cooling device 10 can not only be protected,
It is prevented effectively from cooling device to be corroded by high-temperature fusant, improves the security of operation, moreover it is possible to improve the service life of protective case.
According to a particular embodiment of the invention, the radial section product of refractory brick from top to bottom gradually increases.So that bottom
The profile of oxygen blast gun platform is tapered, divides small close to furnace interior, thus easily facilitates to changing.
According to a particular embodiment of the invention, as shown in figures 1 and 3, BOTTOM OXYGEN gun platform is still further comprised：Heat-resisting alloy
Ring 30, the upper end of protective case 20 extends beyond the upper end of cooling device 10, and heat-resisting alloy ring 30 is arranged on the upper of cooling device 10
Hold and in protective case 20.Thus heat-resisting alloy ring 30 is set on 10 top of cooling device.Due to heat-resisting alloy ring 30
Fusing point it is higher, corrosion resistance is strong.By setting 10 top of cooling device to set heat-resisting alloy ring 30, guarantor can be played
The purpose of cooling device is protected, and then improves the high temperature resistant and melt performance of flushing of BOTTOM OXYGEN gun platform.
According to a particular embodiment of the invention, the either flush of the top surface of heat-resisting alloy ring 30 and protective case 20.
According to a particular embodiment of the invention, heat-resisting alloy ring can be connected with cooling device with grafting.In practical operation,
Thus heat-resisting alloy loop section, passes through what heat-resisting alloy ring was connected with bottom cooling device 10 using grafting without cooling
Type of attachment, can quickly be changed in heat-resisting alloy head scaling loss to it, it is to avoid influence operating efficiency.
According to a particular embodiment of the invention, refrigerant import 17 is cooling-oil inlet, and refrigerant exit 18 is cooling-oil outlet.
Cooling device 10 uses conduction oil for cooling medium, will not when there is exposed melt, the damage of cooling device 10 extreme case
Explode, than using water cooled down when it is safe a lot.
According to a particular embodiment of the invention, it is provided with spiral steel plate 19 in outer tunnel 15, spiral steel plate 19 is by outer tunnel
15 part is separated into helical duct.Thus, it is possible to the sectional area of drainback passage be effectively reduced, so as to accelerate the flowing speed of oil
Degree makes the flowing of oil reach turbulent flow conditions simultaneously, so as to reach the effect of reinforcing cooling effect.
According to a particular embodiment of the invention, spiral steel plate 19 is arranged on the top in outer tunnel 15.Due to bottom blowing oxygen rifle
The top of seat is adjacent to smelting furnace intracavitary, thus, it is possible to further speed up the flowing velocity of oil while making the flowing of oil reach rapids
Stream situation, improves reinforcing cooling effect.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of meaning must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the technology of this area
Not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be combined by personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (9)
1. a kind of BOTTOM OXYGEN gun platform, it is characterised in that including：
Defined in cooling device, the cooling device along its axially through oxygen rifle hole, limit in the side wall of the cooling device
Surely have along its axially extending chamber, the chamber is interior to have axially disposed dividing plate, and the chamber is divided into by the dividing plate
Into internal channel and outer tunnel, the top of the dividing plate has the through hole for connecting the internal channel and the outer tunnel, the cooling
The side wall bottom of device has the refrigerant import and the refrigerant exit for connecting the outer tunnel for connecting the internal channel；
Protecting cover of refractory brick, the protecting cover of refractory brick is set on the periphery wall of the cooling device.
2. BOTTOM OXYGEN gun platform according to claim 1, it is characterised in that the cooling device is made of copper.
3. BOTTOM OXYGEN gun platform according to claim 1, it is characterised in that the radial section product of the refractory brick is from top to bottom
Gradually increase.
4. BOTTOM OXYGEN gun platform according to claim 2, it is characterised in that also include：
Heat-resisting alloy ring, the upper end of the protective case extends beyond the upper end of the cooling device, and the heat-resisting alloy ring is set
In the upper end of the cooling device and in the protective case.
5. BOTTOM OXYGEN gun platform according to claim 4, it is characterised in that the heat-resisting alloy top surface of ring and the protective case
Either flush.
6. BOTTOM OXYGEN gun platform according to claim 4, it is characterised in that the heat-resisting alloy ring is inserted with the cooling device
Connect connected.
7. BOTTOM OXYGEN gun platform according to claim 1, it is characterised in that the refrigerant import is cooling-oil inlet, described
Refrigerant exit is cooling-oil outlet.
8. BOTTOM OXYGEN gun platform according to claim 1, it is characterised in that spiral steel plate, institute are provided with the outer tunnel
State spiral steel plate and a part for the outer tunnel is separated into helical duct.
9. BOTTOM OXYGEN gun platform according to claim 8, it is characterised in that the spiral steel plate is arranged in the outer tunnel
Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710355597.5A CN107043860A (en) | 2017-05-19 | 2017-05-19 | BOTTOM OXYGEN gun platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710355597.5A CN107043860A (en) | 2017-05-19 | 2017-05-19 | BOTTOM OXYGEN gun platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107043860A true CN107043860A (en) | 2017-08-15 |
Family
ID=59547127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710355597.5A Pending CN107043860A (en) | 2017-05-19 | 2017-05-19 | BOTTOM OXYGEN gun platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107043860A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0388387A1 (en) * | 1989-03-14 | 1990-09-19 | RECHERCHES ET DEVELOPPEMENTS DESAAR, société anonyme | Refractory structure for the tap hole of a casting ladle |
| CN200974858Y (en) * | 2006-11-15 | 2007-11-14 | 中国恩菲工程技术有限公司 | Oxygen gun device for oxygen bottom-blowing smelting furnace |
| CN201476581U (en) * | 2009-03-30 | 2010-05-19 | 安徽铜冠有色金属（池州）有限责任公司九华冶炼厂 | Oxygen spray gun with multi-layer protection |
| CN201548063U (en) * | 2009-12-26 | 2010-08-11 | 湖南省桂阳银星有色冶炼有限公司 | Water-cooling protecting device for oxygen lance of oxygen bottom-blowing furnace |
| CN102242277A (en) * | 2011-06-13 | 2011-11-16 | 中国恩菲工程技术有限公司 | Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper |
| CN102363841A (en) * | 2011-10-26 | 2012-02-29 | 中信重工机械股份有限公司 | Water cooling device for oxygen lance of bottom blowing lead smelting furnace |
| CN102380464A (en) * | 2011-10-31 | 2012-03-21 | 昆明理工大学 | Oil-spraying oil-cooling oxygen gun |
| CN202359181U (en) * | 2011-10-26 | 2012-08-01 | 中信重工机械股份有限公司 | Oxygen lance water cooling device for bottom blowing lead smelting furnace |
| US20140245935A1 (en) * | 2011-09-29 | 2014-09-04 | Hatch Ltd. | Furnace with Refractory Bricks that Define Cooling Channels for Gaseous Media |
| WO2015056143A1 (en) * | 2013-10-16 | 2015-04-23 | Outotec (Finland) Oy | Top submerged injection lance for enhanced submerged combustion |
| CN106119569A (en) * | 2016-08-30 | 2016-11-16 | 安阳市岷山有色金属有限责任公司 | A kind of reduction furnace oxygen gun apparatus |
| CN205933980U (en) * | 2016-10-21 | 2017-02-08 | 易门铜业有限公司 | Oxygen boosting bottom blowing copper smelting stove |
-
2017
- 2017-05-19 CN CN201710355597.5A patent/CN107043860A/en active Pending
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| CN201548063U (en) * | 2009-12-26 | 2010-08-11 | 湖南省桂阳银星有色冶炼有限公司 | Water-cooling protecting device for oxygen lance of oxygen bottom-blowing furnace |
| CN102242277A (en) * | 2011-06-13 | 2011-11-16 | 中国恩菲工程技术有限公司 | Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper |
| US20140245935A1 (en) * | 2011-09-29 | 2014-09-04 | Hatch Ltd. | Furnace with Refractory Bricks that Define Cooling Channels for Gaseous Media |
| CN102363841A (en) * | 2011-10-26 | 2012-02-29 | 中信重工机械股份有限公司 | Water cooling device for oxygen lance of bottom blowing lead smelting furnace |
| CN202359181U (en) * | 2011-10-26 | 2012-08-01 | 中信重工机械股份有限公司 | Oxygen lance water cooling device for bottom blowing lead smelting furnace |
| CN102380464A (en) * | 2011-10-31 | 2012-03-21 | 昆明理工大学 | Oil-spraying oil-cooling oxygen gun |
| WO2015056143A1 (en) * | 2013-10-16 | 2015-04-23 | Outotec (Finland) Oy | Top submerged injection lance for enhanced submerged combustion |
| CN106119569A (en) * | 2016-08-30 | 2016-11-16 | 安阳市岷山有色金属有限责任公司 | A kind of reduction furnace oxygen gun apparatus |
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