CN107110605A - The system and method for collecting the data relevant with top-submerged formula jet injector reactor assembly operating conditions with analysis - Google Patents
The system and method for collecting the data relevant with top-submerged formula jet injector reactor assembly operating conditions with analysis Download PDFInfo
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- CN107110605A CN107110605A CN201580070556.0A CN201580070556A CN107110605A CN 107110605 A CN107110605 A CN 107110605A CN 201580070556 A CN201580070556 A CN 201580070556A CN 107110605 A CN107110605 A CN 107110605A
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- spray gun
- operating conditions
- jet injector
- sensor
- submerged formula
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Links
- 229940090046 jet injector Drugs 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims description 36
- 239000007921 spray Substances 0.000 claims abstract description 194
- 230000004927 fusion Effects 0.000 claims abstract description 21
- 238000004886 process control Methods 0.000 claims description 21
- 238000005259 measurement Methods 0.000 claims description 20
- 230000003993 interaction Effects 0.000 claims description 18
- 238000005299 abrasion Methods 0.000 claims description 11
- 238000007654 immersion Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 239000007789 gas Substances 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- 239000002893 slag Substances 0.000 description 12
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 239000000446 fuel Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000004044 response Effects 0.000 description 7
- 238000003723 Smelting Methods 0.000 description 5
- 239000003570 air Substances 0.000 description 5
- 238000003745 diagnosis Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 208000012661 Dyskinesia Diseases 0.000 description 1
- 208000015592 Involuntary movements Diseases 0.000 description 1
- 241000722270 Regulus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000009118 appropriate response Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000017311 musculoskeletal movement, spinal reflex action Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/35—Blowing from above and through the bath
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/34—Blowing through the bath
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4673—Measuring and sampling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
- C21C5/4613—Refractory coated lances; Immersion lances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
- F27D2003/168—Introducing a fluid jet or current into the charge through a lance
-
- 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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
- F27D2099/0036—Heating elements or systems using burners immersed in the charge
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
There is provided the system for collecting and analyzing the data related to the operating conditions in top-submerged formula jet injector reactor assembly, the system has spray gun, and spray gun lower end will be immersed in fusion pool during the operation of top-submerged formula jet injector reactor assembly.The system includes：(a) at least two sensor, is configured as the index of sensing operation situation and generates sensing data signal, and each sensor is that at least one sensor in different sensor types, and at least two sensor is the sensor based on spray gun；And (b) CPU, for receiving multiple sensing data signals, and the sensing data signal related at least two indexs of operating conditions is analyzed, to determine the current state of operating conditions.
Description
Background technology
Need fusion pool melting (the Molten bath of the interaction between molten bath (bath) and oxygen-containing gas source
Smelting) or other hot smeltings (pyrometallurgical) operation supply gas using several different arrangements.Generally,
These operations, which are related to, to be directly injected into the sulfonium of melting (matte)/metal.This may be by such as in Bezier (Bessemer) class
Bottom blowing blast orifice in type stove or the side-blown blast orifice such as in Peirce-Smith type transducers.Alternately, gas
Injection can be provided or top blast or immersion injection by spray gun.The example of top-blown spray gun injection is KALDO and BOP refinings
Steel mill, wherein pure oxygen blow above molten bath, to produce steel from molten iron.Another example of top-blown spray gun injection is Mitsubishi
(Mitsubishi) process for copper, wherein spray gun cause the eruption of oxygen-containing gas (such as oxygen-enriched air), to hit and pass through molten bath
Top surface to produce and convert copper matte regulus respectively.In the case of immersion lance injected, the lower end of spray gun is submerged so that note
The top for occurring the molten slag layer in molten bath rather than from molten bath is penetrated, to provide top-submerged formula injection (TSL) injection.
Injected for top blast and TSL, spray gun is subjected to strong dominant bath temperature.Top blast in Mitsubishi's process for copper makes
With many relatively small steel rifles, the outer tube of its inner tube with about 50mm diameters and about 100mm diameters.Inner tube terminates at about furnace roof
Level, on reaction zone.The rotatable outer tube to prevent its water cooling collar being attached at furnace roof extends downwardly into stove
The gas compartment in, its lower end is positioned at about 500-800mm above the upper surface of fusion pool.Carry aerial particle secretly
Charging is blowed by inner tube, and oxygen-enriched air is blowed by the annular space between pipeline.It is higher than in spite of the lower end of outer tube
The spacing of weld pool surface, and by any cooling by its gas to spray gun, but outer tube burns back about daily
400mm.Therefore, outer tube is slowly reduced, and when needed, new part, which is attached to outside, can consume the top of pipeline.
The spray gun for top blast, such as spray gun in above-mentioned Mitsubishi process are much larger than for the spray gun that TSL is injected.TSL
Spray gun generally has at least inner and outer tubes, as described below, but can have with concentric at least one of inner and outer tubes its
It is managed.Typical large-scale TSL spray guns have 200 to 500mm or bigger outer tube diameter.In addition, spray gun is longer and to downward
The top of TSL reactors is extended through, it can be about 10 to 15 meters high so that the lower end of outer tube is immersed in the slag phase in molten bath
About 300mm or bigger depth, but formed simultaneously on the outer surface of outer tube by the cooling effect by injection air-flow therein
The coating protection of the solidification clinker of maintenance.Inner tube can with outer tube about identical level at terminate, or higher than under outer tube
Terminated at the up to about 1000mm higher level of end.Thus, it may be possible to which only the lower end of outer tube is in the situation of submergence.
The inner tube of TSL spray guns can be used for supplying the feed material being injected into the slag blanket in molten bath, such as concentrate, help
Flux and reducing agent, or it can be used for fuel.Oxygen-containing gas, such as air or oxygen-enriched air, pass through the ring between pipeline
Shape space is supplied.When starting submerged injected in the molten slag layer in molten bath, oxygen-containing gas and fuel (such as fuel oil, cleaned coal or
The hydrocarbon gas) spray gun is supplied to, and the burned flame struck with generation in clinker of the oxygen/fuel mixture generated sprays
Hair.This causes clinker tilted in molten bath, so as to cause obvious molten bath to be moved.This molten bath motion, is noted together with via spray gun
Emanate body or other materials cause spray gun due to the movement of the power of initiation.The range of movement that top-submerged formula spray gun is undergone has
The potentiality of the important information of process operation on occurring in fusion pool are provided.
Because the content of top-submerged formula jet injector reactor is invisible, therefore operator is likely difficult to reactor
Interior operating conditions have any real understanding.Data on the operation of reactor are received using the equipment of critical field
Collection, including generally reside on equipment in reactor shell or bushing or thereon, thermocouple, flowmeter etc..Due to reaction
The environment of very severe in device, for monitoring any instruments of operating conditions always high cost, and need frequently to safeguard and/
Or change.
The conventional method for monitoring operating conditions using standard facility often uses to isolate and/or linear mode is collected into
Data.For example, the temperature of molten slag bath may be measured using thermocouple, and measured temperature is used as the reading of isolation,
To attempt to infer occurent situation in reactor.This method have ignored influence and/or indicate various operating conditions because
Intrinsic interaction between element, and make it difficult to provide the standard on the operating conditions in reactor to plant operator
Make a definite diagnosis disconnected.
To the discussion purport of in the background for the invention being included herein including document, action, material, equipment, article etc.
Explaining the context of the present invention.This is not construed as recognizing or implies mentioned any material claimed excellent
Come forth when first weighing the date in patent field, a part for known or public general knowledge.
Expect to provide the one or more sensors for being used for monitoring the operating conditions in molten slag bath.
The content of the invention
There is provided for collecting and analyzing and top-submerged formula jet injector reactor assembly according to aspects of the present invention
In the related data of operating conditions system, the system has spray gun, and its lower end will be anti-in top-submerged formula jet injector
It is immersed in during the operation for answering device system in fusion pool, the system includes：
(a) at least two sensor, is configured as the index of sensing operation situation and generates sensing data signal, each
Sensor is that at least one in different sensor types, and the two sensors is the sensor based on spray gun；And
(b) CPU, for receiving multiple sensing data signals, and analysis and at least two of operating conditions
The related sensing data signal of index, to determine the current state of operating conditions.
The present invention can be realized using the combination for the various sensors for including various inexpensive sensors.For example, can be with
Using temperature sensor, pressure sensor, motion sensor, position sensor, sound and/or imaging sensor.In the present invention
Context in, it is necessary at least two sensors are different types so that they can be used for sensing it is different but may
The index of complementary operating conditions.In addition, at least one in sensor is the sensor based on spray gun.If for example, used
First sensor senses the motion of spray gun, and sensor signal indicates spray gun not in movement, then from second sensor
Type is collected data and is helpful, for example, sensing spray gun is in the position of inside reactor, to confirm diagnosis.If for example, position
Put sensor and indicate that spray gun is not immersed in molten bath, then the signal that two independent detections of combined analysis are arrived can be organized, to carry
For the Accurate Diagnosis to current operating situation, dependent on the data being collected into using single sensor type, this is impossible.
In the examples provided, both spray gun motion sensor and Burners Positions sensor constitute the sensing based on spray gun
Device, because spray gun motion sensor is arranged on to sense the movement of spray gun on spray gun, and Burners Positions sensor is configured as
Sense the mechanical interaction of spray gun and top-submerged formula jet injector reactor assembly.As long as it is to be understood that
One at least two sensors is the sensor based on spray gun, it is possible to determine the state of operating conditions.
Sensor based on spray gun can be configured as with the index related to Burners Positions, spray gun submergence or spray gun abrasion
Form sensing spray gun and top-submerged formula jet injector reactor assembly mechanical interaction.In addition, based on spray gun
Sensor can be configured as sensing mechanical interaction by sensing the direct measurement of mechanical interaction.
In a particular embodiment, CPU is compared the current state of operating conditions with optimum operation situation
Compared with to determine whether one or more process control need adjustment that current operating situation is transferred into optimum operation situation.
Feedback on the current state of operating conditions can be provided to top-submerged formula jet injector reactor system
The operator of system.I.e., it is possible to provide for manually adjusting process control current operating situation being transferred to most preferably to operator
One or more instructions of operating conditions.
Alternately, the feedback on the current state of operating conditions can be supplied directly to and immersion jet injector
The associated process control unit of reactor assembly.In this embodiment, process control unit is provided for from main modulation mistake
Process control is so that current operating situation to be transferred to the instruction of optimum operation situation.If for example, the combination of sensor determines molten bath
In clinker situation be not desired, i.e. because bath temperature is too low and causes blocked up and sticky, then to operator or mistake
The instruction of process control unit is probably increase bath temperature to attempt to be transferred to current operating situation into the clinker more flowed.
Enable to detect various operation shapes there is provided at least three kinds different types of sensors in a particular embodiment
Condition.
Sensor can be selected from various sensor types, including pressure, motion, sound, temperature and imaging sensor.Example
Such as, motion sensor can generally include aspect sensor, and more specifically include accelerometer, gyroscope, magnetometer,
Inertial Measurement Unit etc..This sensor based on spray gun is for example by the amplitude for detecting spray gun movement and direction, in each side
G- power (G-force) that the acceleration and/or spray gun of upward spray gun are subjected to senses the direction of spray gun.Position sensor can be with
Measurement spray gun is taken relative to the form of the position coder of the position of burner hearth, and can install or spray gun can not resided at
On.Sound and imaging sensor (such as in the form of static or video camera) can provide the useful number on viscosity coefficient of dross
According to such as sound for melting Spray Mode due to generation.Similarly, there are some spies that can be attributed to optimum operation situation
Property sound frequency.If for example, no bubbling frequency is recorded, then this is the finger that lance tip is not immersed in molten bath
Mark, this can be supported by the data-signal generated by one or more other types of sensors.
Although some (such as images and sound transducer) in the sensor type are merely indicative specific operation shape
Condition, but other sensor types can provide the direct measurement of operating conditions.This sensor type includes being used to measure molten
Pond temperature, spray gun motion, Burners Positions or the sensor of spray gun submergence.At least one of these sensor types are preferably wrapped
Include in the system for collecting the data relevant with operating conditions.
It can be related to by the operating conditions of the signal designation sensed one or more of following：Bath temperature, clinker
Situation, Burners Positions, spray gun submergence or spray gun abrasion.
There is provided reacted for collecting and analyzing with top-submerged formula jet injector according to another aspect of the present invention
The method of the relevant data of operating conditions in device system, the system has spray gun, and the lower end of spray gun will spray in top-submerged formula
It is immersed in fusion pool, the described method comprises the following steps during the operation for penetrating injector response device system：
(a) at least two sensors are provided, it is configured as the behaviour in top-submerged formula jet injector reactor assembly
The index of sensing operation situation during work, and sensing data signal is generated, each sensor is different sensor types, and
And at least two at least one in sensor is the sensor based on spray gun；
(b) the sensing data signal generated by least two sensors is sent to CPU；And
(c) the sensing data signal related at least two indexs of operating conditions is analyzed, to determine working as operating conditions
Preceding state.
Sensor based on spray gun may be mounted on spray gun and/or be configured to sensing spray gun and sprays note with top-submerged formula
The mechanical interaction of emitter reactor assembly.Sensor based on spray gun can be additionally configured to with Burners Positions, spray gun
The machinery of the form sensing spray gun and top-submerged formula jet injector reactor assembly of submergence or the related index of spray gun abrasion
Interaction.The mechanical interaction of spray gun and top-submerged formula jet injector reactor assembly can be sensed and spray gun position
Put, spray gun is submerged or the related index of spray gun abrasion.
The step of this method can also include the current state of operating conditions and optimum operation situation being compared；And
Determine whether one or more process control need adjustment that current operating situation is transferred into optimum operation situation.
In another embodiment, this method also includes the feedback on the current state of operating conditions being supplied to top
The step of operator of immersion jet injector reactor assembly.
Alternately, this method also includes the feedback on the current state of operating conditions being supplied to spraying with immersion
The step of process control unit that injector response device system is associated.
In a kind of form of the present invention, at least two sensors are selected from following sensor type：Pressure, motion, sound,
Temperature and image.
Alternatively, the step of providing at least two sensors in top-submerged formula jet injector reactor assembly includes
At least three sensors are provided.
Preferably, at least one at least two sensors is configured to supply in the following index of operating conditions extremely
Few one direct measurement：Bath temperature, spray gun motion, Burners Positions or spray gun submergence.
The operating conditions that this method is indicated can be related to one or more of following：Bath temperature, clinker situation, spray gun
Position, spray gun submergence or spray gun abrasion.
Brief description of the drawings
The present invention is more fully described now with reference to accompanying drawing.It should be appreciated that shown embodiment is only to show
Example, without the scope of the present invention defined in the appended claims should be viewed as a limitation.
Fig. 1 is partly cut-away's schematic diagram of the fusion pool smelting furnace including top-submerged formula spray gun according to prior art.
Fig. 2 is to show to be used to collect and handle according to an embodiment of the invention to react with top-submerged formula jet injector
The schematic diagram of the system of the relevant data of operating conditions in device.
Fig. 3 be illustrate index according to an embodiment of the invention as various operating conditions various sensor types it
Between correlation form.
Fig. 4 is to show to be used to collect and handle according to an embodiment of the invention to react with top-submerged formula jet injector
The flow chart of the method for the relevant data of operating conditions in device system.
Embodiment
With reference first to Fig. 1, exemplary top immersion jet injector reactor assembly 100 illustrated therein is.Reactor
102 have the cylindrical housings 104 closed in its top end by top cover 106, discharge airway (off-take flue) 108
Exhaust boiler/heat exchanger 110 is projected upwardly into from top cover 106.In Fig. 1, a part for housing 104 has been eliminated,
Enable to observe the inside of reactor 102, but in addition to plug for outlet, all levels of the housing 104 in its height
Place is circumferentially continuous.Top 106 has entrance 112, and top-submerged formula injection lance 114 is extended downwardly by it so that spray
The end portion of rifle 115 is immersed in fusion pool 116.Reactor 102 also has the charging port 118 opened by top cover 106,
So that the raw material of hot smelting operation can be filled into pond 116 needed for must being used for；And burner port 120, if for
Needed during heating response device, then make it possible to insert burner 122.Spray gun 114, which has, causes spray gun 114 to be connectable to point
From fuel/reducing agent source and oxygen-containing gas source connector 124, with enable these materials by spray gun 114 respectively to
Pass through down and mix to supply ignition mixture at the lower part outlet of spray gun.The burning of fuel and oxygen mixture is in spray gun
The great turbulence level in combustion zone, and fusion pool 116 is generated in fusion pool 116 at 115 lower part outlet end, it to lead to
The raw material that port 118 is filled with are crossed to be dispersed in fusion pool to cause the hot smelting needed for it to be reacted.
Top-submerged formula jet injector reactor assembly 100 as shown in Figure 1 is generally operated by operator, and operator borrows
The lifting device 126 for helping be attached to spray gun controls spray gun 114 by the way that spray gun is raised and lowered relative to molten bath in reactor
Position in 102.Operator is to the position of spray gun and the mobile various manual observations of carry out of spray gun, over time, this
So that operator is able to intuitively understand the range of movement of the spray gun of the optimum operation situation in Indicator Reaction device, and indicate anti-
Answer the moving range of the spray gun of suboptimum operating conditions in device.
Referring now to Figure 2, the present invention system on certain observation it is how relevant with the operating conditions in reactor and
How operator should make appropriate response to those operating conditions of suboptimum, and there is provided the improved guidance for operator
Method.There is provided for collecting, handling and analyze and the operation shape in top-submerged formula jet injector reactor assembly 100
The system 200 of the relevant data of condition.As shown in figure 1, top-submerged formula sprays (hereinafter also referred to " TSL ") injector response device system
System 100 has spray gun 114, and its lower end 115 will be immersed in fusion pool 116 during the operation of TSL injector response device systems.
Referring back to Fig. 2, system 200 include at least two sensors 210, at least two sensor each be different biographies
At least one in sensor type, and at least two sensor is the sensor based on spray gun.Each sensor 210 by with
It is set to the index of sensing operation situation and generates sensing data signal.CPU 220 receives sensing data signal.In
Then Central Processing Unit 220 handles and analyzes sensing data signal to determine the current state of operating conditions.
Alternatively, as shown in Fig. 2 CPU 220 is directly coupled to process control unit 230.In such case
Under, the feedback on the current state of operating conditions is directly sent to process control unit 230 from CPU 220.Directly
Reversed feedback can be converted into the process control that reactor is adjusted for process control unit 230, to make great efforts current operation shape
Condition is adjusted to the instruction of optimum operation situation.
Alternately, can be by the case where CPU 220 is not directly coupled to process control unit 230
Feedback on current operating situation for the process control to reactor with being adjusted to make great efforts building for improvement operating conditions
View is supplied to operator together.In this case, necessary adjustment is manually implemented in the usual manner by operator.
As illustrated, system uses at least two sensors, each sensor is different sensor types.In sensor
At least one be the sensor based on spray gun, itself or be installed on spray gun, such as in the form of spray gun motion sensor,
Or be configured as sensing the mechanical interaction of spray gun and top-submerged formula jet injector reactor assembly, such as with need not
With spray gun sheet but sensing spray gun relative to the Burners Positions sensor of the position of reactor form.These sensings
Device is selected from various inexpensive sensors.The example of suitable temperature sensor (it is also based on the sensor of spray gun) exists
It is described in international pct application PCT/IB2014/060638.This sensor can direct measurement can indicate reaction
The bath temperature of the multiple operating conditions (including clinker situation, that is, flowing or sticky) occurred in device.
For example, measuring any limitation or blocking of the fluid via lance injected using pressure sensor.Pressure sensing
Device or transmitter (transmitter) may be mounted in the appropriate location in any fluid feed line, or can be peaces
Mounted in the sensor based on spray gun of spray gun emission point (i.e. lance tip) nearby.I.e., it is possible to measured at any specified point to
Pressure in any pipeline of spray gun supply oxygen, air or fuel.The change of pressure reading at the specified point will be usual
Instruction is limited or blocked.One kind is significantly limited or is blocked in when spray gun is moved to submerged position above molten bath and sent out
Raw, this is due to the hydrostatic head produced when emission point is less than slag surface.This means same in fluid flow line
Point place obtain head or back pressure reading difference can be spray gun submergence and can spray gun operation during occur its
Its potentially blocking or the index of limitation.When with from least one other sensor (such as, for example, Burners Positions sensor, or
Be also the spray gun motion sensor for the index whether lance tip is immersed in molten slag bath) reading combination when, it is easier to it is accurate
Ground determines that the increase of back pressure is due to that spray gun submergence is also due to some other limitations in fluid flow line.
Oxygen-containing gas and fuel, which are expelled in fusion pool, causes clinker to be tilted in molten bath.Spray slag or molten bath movement and
Power that the gas or other materials injected via spray gun trigger in itself and cause various involuntary movements of spray gun.Mobile width
The power and/or acceleration of degree and direction and the spray gun being at least partially submerged in fusion pool are the operating conditions in fusion pool
Reliability index.These movement and power is sensed by one or more motion sensors, motion sensor can take direction sensor,
Magnetometer, gyroscope, the form of accelerometer or Inertial Measurement Unit, such as in entitled " A Sensing Device for
Determining an Operational Condition in a Molten Both of a Top-Submerged
Disclosed in Lance Injector Reactor System " copending application.
The other operating conditions that can be measured relative to spray gun are Burners Positions and spray gun submergence.Burners Positions are spray gun points
Hypothesis of the end position relative to burner hearth top surface is measured, and spray gun submergence is lance tip position relative to melting pool surface
Actual measurement.
Burners Positions can by be attached to spray gun promoting and demoting mechanism (be used in reactor raise and reduce spray gun) or
The position sensor of spray gun guiding piece or stroller is measured.This position sensor can be provided in the form of position coder.
It should be noted that the physical location of the spray gun in reactor can only be inferred to from the measurement, because it must be to each new
Spray gun calibrated, and infer relative to roof of the furnace lance tip position.Therefore, if the length of spray gun for example by
Change in using caused lance tip abrasion, then lance tip will also change relative to the physical location of burner hearth.Due to
Need to know the depth of fusion pool, and so knows that the position of spray gun is typically not enough to provide the measurement of spray gun submergence.Further, since
The accumulation of material on burner hearth etc., the depth of fusion pool can change.
The measurement of spray gun submergence can be determined by calculating, such as using Burners Positions measurement and manual melt pool height
Measurement.The deduction that sound transducer can be used to distinguish submergence is measured, wherein the submergence operative position above molten bath with spray gun
The transfer of the sound frequency measured is observed between putting, to allow to determine that spray gun becomes the point being submerged.From this point, spray
Rifle can be lowered the distance of definition, and the degree therefore submerged is known.Similarly, as it was previously stated, the back of the body can be used
The measurement of pressure determines point that spray gun is submerged.
Measure and operate the sound produced to be effective measurement by TSL.Due to the low injection speed of typical TSL spray guns
Degree, therefore about 3Hz " bubble " frequency is considered as characteristic.Briefly, it means that the fluid of injection formation bubble, and
And crushed in spray gun discharge end about three times per second.The characteristic bubbling sound that these generations can be measured.It is simplest at its
In form, if not detecting bubbling sound at all, then can be inferred that spray gun is not immersed in molten bath.The characteristic of sound
It will change with frequency with clinker situation.In addition, the splashing pattern generated in reactor can be in still image or video figure
As upper capture.If it is known that indicating the volume and size of the normal splashing of optimum operation situation, then the body of splashing can be used
The change of product and size is turned to the index of changed condition.For example, in the case where not seeing splashing, spray gun is neither in molten bath
It is nor close to the surface in molten bath.When lance tip is almost submerged, splashing will be very good.If clinker is very sticky, then fly
The clinker splashed often forms tabular, string-like or stream shape and splashed.These changes of splashing form can easily be recognized by graphical analysis.
Various operating conditions in view of different sensors type inference and/or checking can be used, system of the invention
It will be best described by with method by example.
For example, in the first simple examples, wherein indicating spray gun whether with normal using spray gun motion sensor
Or anomalous mode movement, if not sensing spray gun movement, then spray gun is likely to not be submerged and is in molten slag bath
Outside operate.Burners Positions or spray gun can be used to submerge measurement to verify the diagnosis.But, it is this it is simple in the case of,
Lance operator generally individually will recognize and correct the problem according to spray gun movement is lacked.In this case, spray gun is moved
Both sensor and Burners Positions sensor constitute the sensor based on spray gun.
In second more complicated example, it can be used for determining by the data-signal of three kinds of different types of sensor generations
Unfavorable operating conditions：Spray gun motion sensor, Burners Positions sensor and temperature sensor.In this case, spray gun is transported
Dynamic sensor measurement indicates the excessive movement of abnormal operation situation.This data can inherently indicate relevant with process factors
The problem of mechanical interaction in one of many problems or reactor.Therefore, all three sensors used below are employed
The data that type is collected into are analyzed to draw comprehensive diagnos：
1. spray gun motion sensor senses indicate the abnormal moving state of the movement than normal movement higher degree；
2. Burners Positions index shows that spray gun is in correct position；And
3. bath temperature indicates low temperature situation.
In this case, both spray gun motion sensor and Burners Positions sensor constitute the sensor based on spray gun.
Temperature sensor can be but be not necessarily the sensor based on spray gun.It is recommended that action process will be increase to the energy of system
Input, for example, by increasing the fuel adding rate via spray gun.
In second example, it appears that bath temperature indicates that solution can be provided separately.But, the 3rd example exists
Wherein bath temperature it is also low in the case of use three sensors of identical.In this example, there is following index：
1. bath temperature is indicated as low；
2. spray gun is indicated as relative to stove in correct position；And
3. spray gun motion sensor indicates spray gun not in movement.
In this case, the sensor information of combination indicates that lance tip has worn out and returns to wherein spray gun and do not submerge
In the fusion pool but above it point of position.In this illustration, action process will be spray gun is removed from service with
Problem can not be corrected and recover optimum operation situation by repairing lance tip, and adding the approach of more multi fuel.
In the 4th example, the sensor for sound measurement, Burners Positions, spray gun back pressure and bath temperature is utilized.This
The index of a little sensors is shown：
1. sound instruction abnormal operation；
2. Burners Positions are correct；
3. bath temperature is in correct scope；
4. spray gun back pressure is abnormal, high reading is indicated.
In this example, at least Burners Positions sensor and spray gun back pressure sensor constitute the sensor based on spray gun.Examine
It is disconnected be slag chemical substance not in correct scope, and need to be adjusted by slag chemistry substance modification.
Above-mentioned example illustrates that (wherein the two are passed by the data-signal of at least two different types of sensor generations for analysis
At least one in sensor is the sensor based on spray gun) it is better than making the signal from various sensors dependent on operator
Assess.This integrated approach can provide the uniformity of operation and to influenceing the process or machinery change of operating efficiency faster
The response of speed.
Referring now to Figure 3, illustrated therein is some examples of possible interaction between various sensor types.Depend on
In application, sensor can be grouped together.Preferably, the analysis of the inexpensive sensor of minimum number will be combined so that
Low cost operation and more stable plant operation can be carried out by obtaining.
Referring now to Figure 4, illustrated therein is diagram is used to collect and analyze and top-submerged formula jet injector reactor
The flow chart of the method 400 of the relevant data of operating conditions in system, the system has spray gun, and its lower end will be in top-submerged
It is immersed into during the operation of formula jet injector reactor assembly in fusion pool.At 410, this method is included in top-submerged formula
The step of providing at least two sensors in jet injector reactor assembly, each sensor is different sensor types,
And at least one in two sensors is the sensor based on spray gun, each sensor is configured as spraying in top-submerged formula
At least one operating conditions index is sensed during the operation for penetrating injector response device system.At step 420, this method includes will
The step of sensing data signal generated by least two sensors is sent to CPU.At step 430, analysis with
The related sensing data signal of at least two operating conditions indexs, to determine the current state of operating conditions.
The step of this method can also include the current state of operating conditions and optimum operation situation being compared；And
Determine whether one or more process control need adjustment that current operating situation is transferred into optimum operation situation.
The system of the present invention provides the top-submerged formula lance injected of lower cost using the sensor of relatively low cost
Reactor and its more consistent operation.The sensing signal for determining various operation factors is transferred to the center for handling and analyzing
Processing unit makes it possible to by expert system module using proprietary algorithm analyzes sensing signal, can be used for instructing behaviour to provide
Author actions directly indicate that factory's control unit makes the improved diagnosis suitably adjusted.This makes it possible to enter between transfer
The more consistent and more stable plant operation of row and more efficient reactor operation.
Although the embodiment for having been incorporated into limiting quantity describes the present invention, it will be recognized to those skilled in the art that
In view of foregoing many alternative solutions, modifications and variations are possible.Therefore, it is contemplated that including that can fall into as disclosed
The spirit and scope of the present invention in all such alternative solution, modifications and variations.
Claims (23)
1. a kind of be used to collecting and analyzing the number related to the operating conditions in top-submerged formula jet injector reactor assembly
According to system, the system has spray gun, and spray gun lower end is by the operation phase of top-submerged formula jet injector reactor assembly
Between be immersed in fusion pool, the system includes：
(a) at least two sensor, is configured as the index of sensing operation situation and generates sensing data signal, each sensor
It is that at least one sensor in different sensor types, and at least two sensor is the sensing based on spray gun
Device；And
(b) CPU, for receiving multiple sensing data signals, and analyzes at least two indexs with operating conditions
Related sensing data signal, to determine the current state of operating conditions.
2. as claimed in claim 1 be used to collect and analyze and the operation in top-submerged formula jet injector reactor assembly
The system of the related data of situation, wherein the sensor based on spray gun is arranged on spray gun and/or be configured as sensing spray
The mechanical interaction of rifle and top-submerged formula jet injector reactor assembly.
3. as claimed in claim 2 be used to collect and analyze and the operation in top-submerged formula jet injector reactor assembly
The system of the related data of situation, wherein the sensor based on spray gun is configured as submerging or spray gun with Burners Positions, spray gun
The mechanical interaction of the form sensing spray gun and top-submerged formula jet injector reactor assembly of the relevant index of abrasion.
4. as claimed in claim 3 be used to collect and analyze and the operation in top-submerged formula jet injector reactor assembly
The system of the related data of situation, wherein the sensor based on spray gun is configured as the direct survey by sensing mechanical interaction
Measure to sense the mechanical interaction of spray gun and top-submerged formula jet injector reactor assembly.
Reacted 5. being used for as any one of Claims 1-4 collects and analyzed with top-submerged formula jet injector
The system of the data of operating conditions correlation in device system, wherein CPU are by the current state of operating conditions and most preferably
Operating conditions are compared, to determine whether one or more process control need adjustment to be transferred to current operating situation most
Good operating conditions.
Reacted 6. being used for as any one of claim 1 to 5 collects and analyzed with top-submerged formula jet injector
The system of the data of operating conditions correlation in device system, wherein the feedback on the current state of operating conditions is provided to top
The operator of portion's immersion jet injector reactor assembly.
Reacted 7. being used for as any one of claim 1 to 5 collects and analyzed with top-submerged formula jet injector
The system of the data of operating conditions correlation in device system, wherein the feedback on the current state of operating conditions is provided to
The associated process control unit of immersion jet injector reactor assembly.
8. as claimed in claim 7 be used to collect and analyze and the operation in top-submerged formula jet injector reactor assembly
The system of the related data of situation, wherein CPU are with process control unit direct communication to adjust one or more mistakes
Process control.
Reacted 9. being used for as any one of claim 1 to 8 collects and analyzed with top-submerged formula jet injector
The system of the data of operating conditions correlation in device system, wherein the system includes at least three sensors, each sensor
It is configured as sensing operation status index and generates sensing data signal.
10. being used for as any one of claim 1 to 8 collects and top-submerged formula jet injector reactor assembly
In the related data of operating conditions system, wherein at least two sensor in following sensor type at least
Two：Pressure, motion, sound, temperature and image.
11. as claimed in claim 10 be used to collect and the operating conditions in top-submerged formula jet injector reactor assembly
The system of related data, wherein at least one at least two sensor is configured to supply following operating conditions
The direct measurement of at least one index：Bath temperature, spray gun motion, Burners Positions or spray gun submergence.
12. being used for as any one of claim 1 to 11 collects and top-submerged formula jet injector reactor system
The system of the related data of operating conditions in system, wherein the operating conditions indicated by the system be related to it is following in one or
It is multiple：Bath temperature, clinker situation, Burners Positions, spray gun submergence or spray gun abrasion.
13. a kind of be used to collecting and analyzing the number related to the operating conditions in top-submerged formula jet injector reactor assembly
According to method, the system has spray gun, and spray gun lower end is by the operation phase of top-submerged formula jet injector reactor assembly
Between be immersed in fusion pool, the described method comprises the following steps：
(a) at least two sensors are provided, at least two sensor is configured as anti-in top-submerged formula jet injector
The index of sensing operation situation during the operation of device system is answered, and generates sensing data signal, each sensor is different
At least one sensor in sensor type, and at least two sensor is the sensor based on spray gun；
(b) the sensing data signal generated by least two sensor is sent to CPU；And
(c) the sensing data signal related at least two indexs of operating conditions is analyzed, to determine the current shape of operating conditions
State.
14. as claimed in claim 13 be used to collect and analyze and the behaviour in top-submerged formula jet injector reactor assembly
Make the method for the related data of situation, wherein the sensor based on spray gun is arranged on spray gun and/or be configured as sensing
The mechanical interaction of spray gun and top-submerged formula jet injector reactor assembly.
15. as described in claim 13 or 14 be used for collect and analyze with top-submerged formula jet injector reactor assembly
The related data of operating conditions method, wherein the sensor based on spray gun be configured as with Burners Positions, spray gun submergence
Or the machinery of the form sensing spray gun and top-submerged formula jet injector reactor assembly of the relevant index of spray gun abrasion is mutual
Effect.
16. being used for as any one of claim 13 to 15 collects and analyzed anti-with top-submerged formula jet injector
The method for answering the related data of operating conditions in device system, wherein the sensor based on spray gun be configured as with spray gun position
Put, spray gun is submerged or the form of the relevant index of spray gun abrasion senses spray gun and top-submerged formula jet injector reactor assembly
Mechanical interaction.
17. being used for as any one of claim 13 to 16 collects and analyzed anti-with top-submerged formula jet injector
The method for answering the related data of operating conditions in device system, in addition to by the current state of operating conditions and optimum operation situation
The step of being compared；And determine whether one or more process control need adjustment to be transferred to current operating situation most
Good operating conditions.
18. being used for as any one of claim 13 to 17 collects and analyzed anti-with top-submerged formula jet injector
The method for answering the related data of the operating conditions in device system, in addition to will be provided on the feedback of the current state of operating conditions
The step of operator to top-submerged formula jet injector reactor assembly.
19. being used for as any one of claim 13 to 17 collects and analyzed anti-with top-submerged formula jet injector
The method for answering the related data of the operating conditions in device system, in addition to will be provided on the feedback of the current state of operating conditions
The step of giving the process control unit that immersion jet injector reactor assembly is associated.
20. being used for as any one of claim 13 to 19 collects and analyzed anti-with top-submerged formula jet injector
The method for answering the related data of the operating conditions in device system, wherein at least two sensor is selected from following sensor type
In at least two：Pressure, motion, sound, temperature and image.
21. being used for as any one of claim 13 to 19 collects and analyzed anti-with top-submerged formula jet injector
The method for answering the related data of the operating conditions in device system, wherein being carried in top-submerged formula jet injector reactor assembly
The step of at least two sensors, is related at least three sensors of offer.
22. being used for as any one of claim 13 to 21 collects and analyzed anti-with top-submerged formula jet injector
The method for answering the related data of the operating conditions in device system, wherein at least one sensor at least two sensor
It is configured to supply the direct measurement of at least one in the index of following operating conditions：Bath temperature, spray gun motion, spray gun position
Put or spray gun submergence.
23. being used for as any one of claim 13 to 22 collects and analyzed anti-with top-submerged formula jet injector
The method for answering the related data of operating conditions in device system, wherein the operating conditions indicated by methods described be related to it is following in
It is one or more：Bath temperature, clinker situation, Burners Positions, spray gun submergence or spray gun abrasion.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2014905265A AU2014905265A0 (en) | 2014-12-24 | A sensing device for determining an operational condition in a molten bath of a top-submerged lancing injector reactor system | |
| AU2014905265 | 2014-12-24 | ||
| AU2015901166A AU2015901166A0 (en) | 2015-03-31 | A system and method for collecting and analysing data relating to an operating condition in a top-submerged lancing injector reactor system | |
| AU2015901166 | 2015-03-31 | ||
| PCT/IB2015/059906 WO2016103196A1 (en) | 2014-12-24 | 2015-12-23 | A system and method for collecting and analysing data relating to an operating condition in a top-submerged lancing injector reactor system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107110605A true CN107110605A (en) | 2017-08-29 |
| CN107110605B CN107110605B (en) | 2020-03-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580070556.0A Active CN107110605B (en) | 2014-12-24 | 2015-12-23 | System and method for collecting and analyzing data relating to operating conditions of a top-submerged lancing injector reactor system |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP3237823B1 (en) |
| JP (1) | JP6503069B2 (en) |
| KR (1) | KR102034940B1 (en) |
| CN (1) | CN107110605B (en) |
| AU (1) | AU2015370483B2 (en) |
| EA (1) | EA033240B1 (en) |
| ES (1) | ES2769200T3 (en) |
| PE (1) | PE20171301A1 (en) |
| PL (1) | PL3237823T3 (en) |
| WO (1) | WO2016103196A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048794A (en) * | 2021-03-22 | 2021-06-29 | 中国恩菲工程技术有限公司 | Intelligent diagnosis spray gun |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3687666B1 (en) * | 2018-08-17 | 2021-10-27 | Berry Metal Company | Method and apparatus for controlling operation and position of a lance and nozzle assembly in a molten metal bath in a vessel |
| US11155890B2 (en) * | 2019-07-17 | 2021-10-26 | Air Products And Chemicals, Inc. | Tuyere for a basic oxygen furnace |
| WO2023205911A1 (en) * | 2022-04-27 | 2023-11-02 | Trefimet S.A. | Smart passage opening system with thermal lance |
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- 2015-12-23 KR KR1020177019394A patent/KR102034940B1/en active IP Right Grant
- 2015-12-23 EA EA201791302A patent/EA033240B1/en not_active IP Right Cessation
- 2015-12-23 WO PCT/IB2015/059906 patent/WO2016103196A1/en active Application Filing
- 2015-12-23 CN CN201580070556.0A patent/CN107110605B/en active Active
- 2015-12-23 ES ES15831160T patent/ES2769200T3/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| ES2769200T3 (en) | 2020-06-25 |
| KR102034940B1 (en) | 2019-10-21 |
| WO2016103196A1 (en) | 2016-06-30 |
| EP3237823A1 (en) | 2017-11-01 |
| EA033240B1 (en) | 2019-09-30 |
| AU2015370483A1 (en) | 2017-08-03 |
| JP6503069B2 (en) | 2019-04-17 |
| EP3237823B1 (en) | 2019-10-30 |
| CN107110605B (en) | 2020-03-27 |
| EA201791302A1 (en) | 2017-12-29 |
| JP2018508731A (en) | 2018-03-29 |
| PL3237823T3 (en) | 2020-04-30 |
| KR20170096138A (en) | 2017-08-23 |
| AU2015370483B2 (en) | 2019-05-02 |
| PE20171301A1 (en) | 2017-08-31 |
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