CN108253788A - Metallurgical furnace - Google Patents
Metallurgical furnace Download PDFInfo
- Publication number
- CN108253788A CN108253788A CN201810204820.0A CN201810204820A CN108253788A CN 108253788 A CN108253788 A CN 108253788A CN 201810204820 A CN201810204820 A CN 201810204820A CN 108253788 A CN108253788 A CN 108253788A
- Authority
- CN
- China
- Prior art keywords
- spray gun
- jack
- furnace body
- metallurgical furnace
- metallurgical
- 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.)
- Granted
Links
- 239000007921 spray Substances 0.000 claims abstract description 158
- 230000004308 accommodation Effects 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 238000003723 Smelting Methods 0.000 abstract description 9
- 239000011449 brick Substances 0.000 abstract description 8
- 239000003570 air Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
- F27B14/143—Heating of the crucible by convection of combustion gases
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses metallurgical furnaces.The metallurgical furnace includes：Furnace body has the first spray gun jack and the second spray gun jack on the furnace body, and the second spray gun jack is located at the first spray gun jack lower section, and the first spray gun jack and the second spray gun jack are interspersed；First spray gun：First spray gun is stretched into through the first spray gun jack in the furnace body；And second spray gun：Second spray gun is stretched into through the second spray gun jack in the furnace body.The metallurgical furnace on side wall by setting the first spray gun and the second spray gun that are interspersed, macro-instability phenomenon in side-blown converter is even eliminated so as to effectively mitigate, or macro-instability phenomenon effectively eliminates macro-instability phenomenon after generating in side-blown converter, ensure side-blown converter stable operation, extend the service life of side wall refractory brick and metallurgical furnace, it realizes side-blown furnace body enlargement, improves metallurgical furnace smelting intensity.
Description
Technical field
The present invention relates to field of metallurgy, and in particular, to metallurgical furnace.
Background technology
Immersion side-blowing bath smelting process is widely used in the metal smelts such as lead, copper, reviver and clinker field.It is side-blown molten
Pond melting is that air, oxygen-enriched air, reducing agent and fuel, side-blown gas are sprayed into molten bath by being mounted on the spray gun of furnace body side wall
Body jet stream sprays into molten bath and stirs molten bath rapidly and then accelerate heat transfer, mass transfer and chemical reaction process in molten bath.Current is side-blown
Spray gun is generally arranged in a certain injection height in single arrangement according to process conditions, easily occurs in side-blown converter during single arrangement macro
Seeing wild effect causes the molten bath of melt occurrence law in stove to be shaken, and seriously washes away furnace body side wall and leads to side-blown furnace body
Concussion is serious, reduces side wall refractory brick life and furnace life, also limits the enlargement development of side-blown furnace body.
The spray gun arrangement mode of metallurgical furnace requires study 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 metallurgical furnace, the first spray gun and the second spray gun being interspersed is set on side wall, so as to effectively mitigates even
It eliminates macro-instability phenomenon in side-blown converter or macro-instability phenomenon effectively eliminates macroscopical shakiness in side-blown converter after generating
Determine phenomenon, ensure side-blown converter stable operation, extend the service life of side wall refractory brick and metallurgical furnace, realize side-blown furnace body enlargement, carry
High metallurgical furnace smelting intensity.
It should be noted that the present invention is the following work based on inventor and completes：
Inventor has found molten bath in round side-blown converter when research bath surface depth influences lateral gas flow penetration range
The fluctuating shaking phenomenon of regularity as shown in Figure 1 occurs.It is observed by side-blown spray gun dead astern：Side-blown gas jet stream is sprayed by spray gun
Go out to penetrate and float after a distance and regularly left and right whipping, molten bath is then regularly presented periodically " tide bulge and fall " extra large in stove
Rise and fall shaking phenomenon as wave.The phenomenon is different from irregular splash as turbulent flow occurs in molten bath during being normally blown and shows
As, but macroscopically regularly and having the shaking of fixed frequency, referred to as macro-instability phenomenon.When inventor is at this
When the spray gun of row's interlaced arrangement is set again below row's spray gun, as shown in Fig. 2, the air-flow of lance ejection mixes in molten bath, but
Without left and right whipping, disappear the phenomenon that fluctuating shaking in molten bath caused by single lance ejection, macro-instability phenomenon is obviously reduced.
Thus, according to an aspect of the present invention, the present invention provides a kind of metallurgical furnaces.According to an embodiment of the invention,
The metallurgical furnace includes：Furnace body has the first spray gun jack and the second spray gun jack, the second spray gun jack position on the furnace body
Below the first spray gun jack, and the first spray gun jack and the second spray gun jack are interspersed；First spray
Rifle：First spray gun is stretched into through the first spray gun jack in the furnace body；And second spray gun：Second spray gun is through institute
The second spray gun jack is stated to stretch into the furnace body.
Metallurgical furnace according to embodiments of the present invention, by the way that the first spray gun being interspersed and second is set to spray on side wall
Rifle even eliminates macro-instability phenomenon or the macro-instability phenomenon production in side-blown converter in side-blown converter so as to effectively mitigate
Macro-instability phenomenon is effectively eliminated after life, ensures side-blown converter stable operation, extends the service life of side wall refractory brick and metallurgical furnace, it is real
Existing side-blown furnace body enlargement, improves metallurgical furnace smelting intensity.
In addition, metallurgical furnace according to the above embodiment of the present invention can also have following additional technical characteristic：
According to an embodiment of the invention, first spray gun and second spray gun are multiple.
According to an embodiment of the invention, the quantity of first spray gun is more than the quantity of second spray gun.
According to an embodiment of the invention, first spray gun and second spray gun and horizontal direction are in the 0- tilted down
30 degree of angles.According to a preferred embodiment of the invention, first spray gun and second spray gun and horizontal direction are in dipping down
Oblique 0-10 degree angles.
According to an embodiment of the invention, first spray gun and second spray gun are 0.3-1 in the distance of vertical direction
Rice.
According to an embodiment of the invention, first spray gun and second spray gun uniformly divide along the circumferential of the furnace body
Cloth.
According to an embodiment of the invention, first spray gun is symmetric along the side wall of the furnace body.
According to an embodiment of the invention, second spray gun is symmetric along the side wall of the furnace body.
According to an embodiment of the invention, each spray gun in first spray gun and second spray gun includes：Shell
Body limits accommodation space in the housing；At least one of with following jet pipe：Fuel nozzle, the fuel nozzle setting
In the accommodation space；Reducing agent jet pipe, the reducing agent jet pipe are set in the accommodation space；Oxygen-enriched air jet pipe,
The oxygen-enriched air jet pipe is arranged in the accommodation space.
According to an embodiment of the invention, each spray gun in first spray gun and second spray gun further wraps
It includes：Cooling wind jet pipe, the cooling wind jet pipe are arranged in the accommodation space.
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 schematic diagram for the unstability phenomenon for simulating single spray gun；
Fig. 2 shows the schematic diagram of two rows of lance ejections that simulation is staggered；
Fig. 3 shows the structure diagram of metallurgical furnace according to an embodiment of the invention；
Fig. 4 shows the structure diagram of metallurgical furnace 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 metallurgical furnaces.Metallurgical furnace according to embodiments of the present invention,
By setting the first spray gun and the second spray gun that are interspersed on side wall, macroscopic view in side-blown converter is even eliminated so as to effectively mitigate
Wild effect effectively eliminates macro-instability phenomenon in side-blown converter after the generation of macro-instability phenomenon, ensures side-blown
Stove stable operation extends the service life of side wall refractory brick and metallurgical furnace, realizes side-blown furnace body enlargement, it is strong to improve metallurgical furnace melting
Degree.
With reference to figure 3 and 4, according to an embodiment of the invention, which is explained, which includes：
Furnace body 100：According to an embodiment of the invention, on the furnace body 100 there is the first spray gun jack 110 and the second spray gun to insert
Hole 120, the second spray gun jack 120 are located at 110 lower section of the first spray gun jack, and the first spray gun jack 110 and the second spray gun jack
120 are interspersed.As a result, by the first spray gun jack and the second spray gun jack being staggered from furnace body extroversion furnace body
Molten bath in be inserted into the first spray gun and the second spray gun, so as to effectively mitigate even eliminate in side-blown converter macro-instability phenomenon or
Person effectively eliminates macro-instability phenomenon in side-blown converter after macro-instability phenomenon generates, ensure side-blown converter stable operation, prolong
The service life of long side wall refractory brick and metallurgical furnace realizes side-blown furnace body enlargement, improves metallurgical furnace smelting intensity.
First spray gun 200：According to an embodiment of the invention, the first spray gun 200 stretches into furnace body through the first spray gun jack 110
In 100.First spray gun 200 provides main origin of heat for the melting of metallurgical furnace.
Wherein, it should be noted that the mounting height of the first spray gun 200 can be according to the metallurgical furnace of conventional single spray gun
Spray gun mounting height be configured, those skilled in the art can choose suitable according to the difference for smelting object and smelting condition
Suitable spray gun injection height and the first spray gun of installation.Correspondingly, according to an embodiment of the invention, the first spray gun 200 can be more
A, the quantity of the first spray gun can be configured according to the spray gun installation number demand of the metallurgical furnace of conventional single spray gun, be had
Body, the total amount and the first spray gun gas supply capacity of single branch that those skilled in the art can supply gas as needed determine.
According to an embodiment of the invention, the quantity of the first spray gun 200 is more than the second spray gun 300, and the first spray gun is molten bath smelting
Refine main origin of heat and agitation power resources.
Second spray gun 300：According to an embodiment of the invention, the second spray gun 300 stretches into furnace body through the second spray gun jack 120
In 100.It can effectively mitigate macro-instability in even elimination side-blown converter under the second spray gun and the first spray gun collective effect as a result,
Phenomenon effectively eliminates macro-instability phenomenon in side-blown converter after the generation of macro-instability phenomenon.
According to an embodiment of the invention, the quantity of the second spray gun 300 is not particularly limited, and those skilled in the art can be with
It is selected according to specific smelting situation.According to some embodiments of the present invention, the second spray gun 300 is multiple.Preferably, second
The quantity of spray gun 300 is less than the quantity of the first spray gun 200, and in production, the second spray gun 300 can be one or more or not make
With the spray gun not used can be blocked easily with drill rod.
According to an embodiment of the invention, the first spray gun 200 and the second spray gun 300 and horizontal direction are in the 0-30 tilted down
Spend angle.According to a preferred embodiment of the invention, the first spray gun 200 and the second spray gun 300 and horizontal direction are in what is tilted down
0--10 degree angles.The ejecta that spray gun sprays as a result, has certain penetration range, and burning point reduces air-flow far from sidewall of the furnace body
Erosion of washing away to side wall extends the service life of furnace wall refractory brick.
According to an embodiment of the invention, the first spray gun 200 and the second spray gun 300 are 0.3-1 meters in the distance of vertical direction.
Significantly mitigate as a result, and even eliminate macro-instability phenomenon in side-blown converter, and in side-blown converter after the generation of macro-instability phenomenon
Effectively eliminate macro-instability phenomenon.
According to an embodiment of the invention, the first spray gun 200 and the second spray gun 300 are uniformly distributed along the circumferential direction of furnace body 100.
Be conducive to mitigate as a result, and even eliminate macro-instability phenomenon or the macro-instability phenomenon production in side-blown converter in side-blown converter
Macro-instability phenomenon is effectively eliminated after life, ensures side-blown converter stable operation.Further, preferred implementation according to the present invention
Example, the first spray gun 200 are symmetric along the side wall of furnace body 100.Correspondingly, according to an embodiment of the invention, the second spray gun 300
It is symmetric along the side wall of furnace body 100.The first spray gun and the second spray gun are symmetrical arranged, and symmetrically spray ejecta as a result, spray
It is small to the active force of furnace body during penetrating, significantly mitigate and even eliminate macro-instability phenomenon in side-blown converter, and in side-blown converter
Macro-instability phenomenon effectively eliminates macro-instability phenomenon after generating, ensure side-blown converter stable operation, extends refractory brick and side
The service life of blown converter.
According to an embodiment of the invention, each spray gun in the first spray gun 200 and the second spray gun 300 includes：Housing
At least one of with fuel nozzle, reducing agent jet pipe and oxygen spray pipe, wherein, accommodation space, fuel spray are limited in housing
Pipe is arranged in accommodation space, and reducing agent jet pipe is set in accommodation space, and it is empty that oxygen-enriched air jet pipe is also disposed at the receiving
Between in.Oxygen-enriched air, fuel and reducing agent are sprayed by same spray gun as a result, are conducive to material mixing and fully burning.
According to an embodiment of the invention, each spray gun in the first spray gun 200 and the second spray gun 300 further wraps
It includes：Cooling wind jet pipe, the cooling wind jet pipe are arranged in accommodation space.Cooling wind and oxygen-enriched air, fuel and reduction as a result,
Agent is sprayed by same spray gun, is conducive to material mixing and fully burning.
In addition it is also necessary to further illustrate, the substance of every lance ejection is not particularly limited, and can be combustion
At least one of material, reducing agent, oxygen-enriched air and cooling wind, i.e. a spray gun, can spray fuel, reducing agent, oxygen-enriched sky
Fuel, reduction are sprayed in any one of gas and cooling wind or wherein two or three arbitrary combination simultaneously
Agent, oxygen-enriched air and cooling wind.The type of injecting substances and the ratio of each substance can be adjusted by feeding pipe or
Lance ejection pipeline structure is adjusted to be adjusted.
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 metallurgical furnace, which is characterized in that including：
Furnace body, has the first spray gun jack and the second spray gun jack on the furnace body, and the second spray gun jack is located at described the
Below one spray gun jack, and the first spray gun jack and the second spray gun jack are interspersed；
First spray gun：First spray gun is stretched into through the first spray gun jack in the furnace body；And
Second spray gun：Second spray gun is stretched into through the second spray gun jack in the furnace body.
2. metallurgical furnace according to claim 1, which is characterized in that first spray gun and second spray gun are more
It is a.
3. metallurgical furnace according to claim 2, which is characterized in that the quantity of first spray gun is more than second spray gun
Quantity.
4. metallurgical furnace according to claim 1, which is characterized in that first spray gun and second spray gun and level side
To in the 0-30 degree angles tilted down, it is preferable that in the 0-10 degree angles tilted down.
5. metallurgical furnace according to claim 1, which is characterized in that first spray gun and second spray gun are in vertical side
To distance be 0.3-1 meters.
6. metallurgical furnace according to claim 1, which is characterized in that first spray gun and second spray gun are along described
The circumferential direction of furnace body is uniformly distributed.
7. metallurgical furnace according to claim 1, which is characterized in that first spray gun is along the side wall of the furnace body in symmetrical
Distribution.
8. metallurgical furnace according to claim 1, which is characterized in that second spray gun is along the side wall of the furnace body in symmetrical
Distribution.
9. metallurgical furnace according to claim 1, which is characterized in that each in first spray gun and second spray gun
A spray gun includes：
Housing limits accommodation space in the housing；With
At least one of following jet pipe：
Fuel nozzle, the fuel nozzle are arranged in the accommodation space；
Reducing agent jet pipe, the reducing agent jet pipe are set in the accommodation space；
Oxygen-enriched air jet pipe, the oxygen spray pipe are arranged in the accommodation space.
10. metallurgical furnace according to claim 9, which is characterized in that every in first spray gun and second spray gun
One spray gun further comprises：
Cooling wind jet pipe, the cooling wind jet pipe are arranged in the accommodation space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204820.0A CN108253788B (en) | 2018-03-13 | 2018-03-13 | Metallurgical furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204820.0A CN108253788B (en) | 2018-03-13 | 2018-03-13 | Metallurgical furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108253788A true CN108253788A (en) | 2018-07-06 |
| CN108253788B CN108253788B (en) | 2024-01-05 |
Family
ID=62746860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810204820.0A Active CN108253788B (en) | 2018-03-13 | 2018-03-13 | Metallurgical furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108253788B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926133A (en) * | 2020-10-10 | 2020-11-13 | 中国恩菲工程技术有限公司 | Method and apparatus for smelting iron-based mineral |
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| CN105823334A (en) * | 2016-05-16 | 2016-08-03 | 中国恩菲工程技术有限公司 | Side-blown submerged combustion molten pool smelting device with oxygen-enriched air and pulverized coal blowing function |
| CN106643198A (en) * | 2017-01-03 | 2017-05-10 | 昆明理工大学 | Subsonic/supersonic jet spraying gun for molten pool smelting side blowing |
| CN106871641A (en) * | 2017-03-20 | 2017-06-20 | 江苏省冶金设计院有限公司 | Smelting furnace |
| CN206408253U (en) * | 2016-12-01 | 2017-08-15 | 北京科技大学 | A kind of device of high-temperature slag physico-chemical process heat recovery |
| WO2017197986A1 (en) * | 2016-05-16 | 2017-11-23 | 中国恩菲工程技术有限公司 | Spray gun for side-submerged combustion smelting apparatus |
| CN208238529U (en) * | 2018-03-13 | 2018-12-14 | 中国恩菲工程技术有限公司 | metallurgical furnace |
-
2018
- 2018-03-13 CN CN201810204820.0A patent/CN108253788B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2001272223B2 (en) * | 2000-07-20 | 2006-04-06 | Technological Resources Pty Ltd | A direct smelting process and apparatus |
| AU8737101A (en) * | 2000-09-19 | 2002-04-02 | Tech Resources Pty Ltd | A direct smelting process and apparatus |
| AU2001287371B2 (en) * | 2000-09-19 | 2006-10-12 | Technological Resources Pty Ltd | A direct smelting process and apparatus |
| 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 |
| CN105823334A (en) * | 2016-05-16 | 2016-08-03 | 中国恩菲工程技术有限公司 | Side-blown submerged combustion molten pool smelting device with oxygen-enriched air and pulverized coal blowing function |
| WO2017197986A1 (en) * | 2016-05-16 | 2017-11-23 | 中国恩菲工程技术有限公司 | Spray gun for side-submerged combustion smelting apparatus |
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| CN106643198A (en) * | 2017-01-03 | 2017-05-10 | 昆明理工大学 | Subsonic/supersonic jet spraying gun for molten pool smelting side blowing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111926133A (en) * | 2020-10-10 | 2020-11-13 | 中国恩菲工程技术有限公司 | Method and apparatus for smelting iron-based mineral |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108253788B (en) | 2024-01-05 |
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