CN107110604A - The sensing device of the running status in molten bath for determining top blast immersion oxygen blast injector reactor assembly - Google Patents
The sensing device of the running status in molten bath for determining top blast immersion oxygen blast injector reactor assembly Download PDFInfo
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- CN107110604A CN107110604A CN201580070552.2A CN201580070552A CN107110604A CN 107110604 A CN107110604 A CN 107110604A CN 201580070552 A CN201580070552 A CN 201580070552A CN 107110604 A CN107110604 A CN 107110604A
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- Prior art keywords
- spray gun
- molten bath
- sensing device
- motion
- running status
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000001301 oxygen Substances 0.000 title claims abstract description 41
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 41
- 238000007654 immersion Methods 0.000 title claims abstract description 35
- 239000007921 spray Substances 0.000 claims abstract description 228
- 230000033001 locomotion Effects 0.000 claims abstract description 74
- 238000012545 processing Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 18
- 230000001133 acceleration Effects 0.000 claims description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 2
- 239000002893 slag Substances 0.000 description 25
- 239000007789 gas Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 12
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 239000000446 fuel Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000009853 pyrometallurgy Methods 0.000 description 3
- 208000012661 Dyskinesia Diseases 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000017311 musculoskeletal movement, spinal reflex action Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 208000015592 Involuntary movements Diseases 0.000 description 1
- 241000969106 Megalaima haemacephala Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- -1 device Substances 0.000 description 1
- 230000000694 effects 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
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/0028—Devices for monitoring the level of the melt
-
- 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)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Charging Or Discharging (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture Of Iron (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
- Incineration Of Waste (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The present invention provides a kind of sensing device of the running status in molten bath for determining top blast immersion oxygen blast injector reactor assembly.At least lower end of spray gun is positioned in submerged position in the molten bath, the sensing device is installed on the spray gun and is configured to detect one or more motions of the spray gun or applies to the power of the spray gun, wherein detected motion or power shows the running status in the molten bath.
Description
Background technology
The bath smelting or the operation of other pyrometallurgies for needing the interaction between molten bath and oxygen-containing gas source are utilized
Multiple different devices for the supply of gas.Generally, these operations include the direct spray in matte/metal to melting
Penetrate.This can be by the bottom blowing air port in such as Bessemer formulas stove or as the side-blown air port in Peirce-Smith formula converters is entered
OK.Alternatively, the injection of gas can be carried out by spray gun, be sprayed with providing top blast or immersion.The example of top-blown spray gun injection
For KALDO and BOP steelmaking equipments, wherein blowing pure oxygen above molten bath to produce steel by molten iron.It is another that top-blown spray gun sprays
One example is Mitsubishi process for copper, and wherein spray gun causes the jet flow of the oxygen-containing gas of such as oxygen-enriched air to hit and penetrate
The top surface in molten bath, to produce matte respectively and convert matte.In the case of immersion lance ejection, by spray gun
Lower end is submerged, to be injected in the molten slag layer in molten bath rather than occur above the molten slag layer in molten bath, to provide top blast leaching
Do not have formula oxygen blast (TSL：Top submerged lancing) injection.
For both top blast and TSL injections, spray gun is subjected to strong dominant bath temperature.Mitsubishi coppersmiths
Top blast in skill uses many relatively small steel spray guns, its have a diameter of substantially 50mm inner tube and it is a diameter of substantially
100mm outer tube.Inner tube is significantly larger than conversion zone and terminated at the substantially height of furnace roof.Outer tube (its for it is rotatable to prevent
The water-cooled ring that only it is adhered at furnace roof) extend downward into the gas compartment of stove, its lower end is positioned at molten bath
Upper surface above substantially 500-800mm.The supply particle become entrained in air is blown through inner tube, and oxygen-enriched air is blown
Send by the annular region between pipe.Despite the presence of the spacing above weld pool surface of the lower end of outer tube, and by through
Any cooling of its gas to spray gun, but the daily scaling loss of outer tube substantially 400mm.Therefore outer tube is made slowly to decline, and
When needing, new part is attached to the top of expendable outer tube.
It is far longer than for the TSL spray guns sprayed for than such as the top blast in above-mentioned Mitsubishi techniques.TSL
Spray gun generally has an at least inner and outer tubes as what is hereinafter assumed, but can have and said inner tube and outer concentric tube
At least one other pipe.Typical large-scale TSL spray guns have 200 to 500mm's or bigger outer tube diameter.In addition, spray gun
To be longer and extend downwardly through the top cover of TSL reactors (it can be substantially 10 to 15m high), to cause the lower end of outer tube
It is immersed into substantially 300mm or bigger depth in the slag phase in molten bath, but by passing through the gas sprayed in outer tube
The solidification slag coating protection that the cooling effect of stream is formed and is maintained on the outer surface of outer tube.Inner tube may terminate at big with outer tube
Cause at identical height or terminate above the lower end of outer tube at the higher height for reaching substantially 1000mm.Accordingly, it is possible to go out
Existing situation is that only the lower end of outer tube is submerged.
It is concentrate that the inner tube of TSL spray guns can be used to supply in supplying material, such as the molten slag layer to be injected to molten bath, molten
Agent and reducing agent, or it can be used for fuel.Such as air or oxygen-enriched air are supplied by the annular region between pipe
Oxygen-containing gas.When the immersion in the molten slag layer in molten bath, which sprays, to be started, by oxygen-containing gas and fuel (such as fuel oil,
Fine coal or hydrocarbon gas) it is supplied to spray gun and lights resulting oxygen/fuel mixture and is hit with generating into slag
Flame jet flow.This causes slag splash in molten bath, causes significant molten bath to be moved.Move together with gas or other in the molten bath
Material, cause via the injection of spray gun spray gun by the motion of power induced.The motion that top blast immersion spray gun is undergone
Scope there are the potentiality for providing the important information relevant with the technological operation occurred in molten bath.
According to traditional method, spray gun is controlled by operator, operator determines what height spray gun spray nozzle should be positioned to
Place and control this point by way of the lifting device by being attached to spray gun makes spray gun be risen or fallen relative to molten bath.This
The arrangement of sample may include the support or guiding piece for spray gun, be referred to as spray gun chassis, and spray gun chassis has been connected to by hawser
Heavy-duty machine, thus motor control system make it possible in container relative to molten bath position spray gun spray nozzle.Spray gun ammeter
(it can be controlled from the slip transmitter driven by spray gun roller) is used for providing the position to the lower end of spray gun in reactor
The instruction put.Command operation person carries out the manual observation relevant with the motion of spray gun and learns intuitively to recognize spray gun in time
Which range of movement represents the optimal or sub-optimal state in molten bath.For example, operator can be by with the naked eye monitoring the motion of spray gun
Spray gun is positioned in molten bath.The operator for having certain experiences can substantially estimate spray gun spray nozzle using the scope of the motion of spray gun
The depth being submerged in molten bath.
To the discussion of background technology of the invention contained herein (including to file, action, material, device, product
And etc. reference) be used for illustrate the present invention background.This should not be construed as recognizing or implies referenced material
The priority date of any one of material cut-off claim is announced, the known or common knowledge in patent field
Part.
It will be desirable to provide for the one or more sensors for monitoring the running status in molten slag bath.
The content of the invention
It is used to determine top blast immersion oxygen blast injector reactor assembly there is provided a kind of according to an aspect of the present invention
The sensing device of running status in molten bath, at least lower end of spray gun is positioned in submerged position in the molten bath, described
Sensing device is installed on the spray gun and is configured to detect one or more motions of the spray gun or applies to institute
The power of spray gun is stated, wherein detected motion or power shows the running status in the molten bath.
The example of suitable sensing device includes usual aspect sensor, and more specifically accelerometer, gyroscope and/
One or more of or magnetometer.Accelerometer for example can be used to detect the amplitude and direction, spray gun of the motion of spray gun
The gravity that acceleration and/or spray gun in all directions is subjected to detects the orientation of spray gun.Such aspect sensor can be independent
Ground is used in combination, to provide required function for sensing device.
Due to molten bath spray slag be considered as the normal running status in reactor it is typical, and molten bath spray
Slag generally causes the involuntary movement of spray gun, therefore can be using spray gun motor pattern as base to the assessment of the running status in molten bath
Plinth.For example, the motion of spray gun is affected by various conditions, including (including spray gun is to molten bath for position of the spray gun in reactor
The degree of approach)；Slag position is high；The change of viscosity coefficient of dross；Bath temperature and etc..When spray gun motor pattern shows undesirable
Running status when, such as spray gun is submerged too deep in molten bath or is not submerged at all, or viscosity coefficient of dross is too big,
This determination can be used to adjust the running status in reactor assembly, and final purpose is to improve operational efficiency.
In one embodiment, the sensing device is installed remotely from the lower end of the spray gun.This construction, which will pass through, to be passed
Induction device is positioned to protect sensing device away from molten bath as far as possible from the influence of the condition in molten bath, i.e. by towards spray gun
Possibility be installed in end on the such as lifting device of spray gun chassis and crane rather than spray gun will be in the runtime
Between the lower end that is immersed in molten bath and sensing device is installed.
The sensing device wireless connections or can be hard-wired to receiver, and multiple detected signals are sent to institute
State receiver.Receiver may include to be configured to the signal detected by analysis to determine at least amplitude of the motion of spray gun and side
To processing unit.Alternatively, the part or all of of processing function may be included in the base station of long range positioning.
The processing unit can visually be submerged according to detected signal generation output information to the top blast
The operator of formula oxygen blast injector reactor assembly points out the running status in the molten bath.In one embodiment, it is described defeated
Go out the form that information is in one or more charts, the chart provides any movement to the spray gun at least two dimensions
Visually indicate.Preferably, in three dimensions, that is, the movement of spray gun is shown in X, Y and Z plane.Chart can be taken
The form of motion diagram or the form that bar chart or the like can be taken.In other embodiments, visually indicate take numeral or
The numeral or colored display are for example identified as showing satisfactory, no in molten bath by the form of colour display, operator
Satisfactory or neutral state.
According to another aspect of the present invention there is provided a kind of top blast immersion oxygen blast injector reactor assembly, it includes：
Molten bath；The spray gun that can be moved between submerged position and non-submerged position, the spray gun has lower end and upper end, the lower end quilt
It is configured to drop in the molten bath in the submerged position；And sensing device, its be installed on the spray gun and by
Be configured to detect one or more motions of the spray gun or apply to the power of the spray gun, wherein detected motion or
Power shows the running status in the molten bath.
In one embodiment, the spray gun is installed on lifting device, and the lifting device can be manipulated into will be described
Spray gun is positioned between the submerged position and non-submerged position.The spray gun is preferably in the lower end of the spray gun and the spray
It is installed at point in the middle of the upper end of rifle on the lifting device.Moreover, the sensing device is preferably installed to close to described
The upper end of spray gun, to prevent sensing device from contacting the condition in molten bath.
Suitable sensing device includes usual aspect sensor, and more specifically accelerometer, gyroscope and/or magnetic force
One or more in meter.In a specific embodiment, sensing device is Inertial Measurement Unit (IMU).
The top blast immersion oxygen blast injector reactor assembly can further comprise being configured to receive by the sensing
The receiver of multiple detected signals transmitted by device.The receiver may include to be configured to detected by analysis
The processing unit of signal, or alternatively the function may include in the remote-control device of such as base station.
The processing unit can visually point out the molten bath according to detected signal generation output information
Running status.In a specific embodiment, the output information that the processing unit is generated may include one or more charts,
To provide visually indicating for the movement to the spray gun at least two dimensions.Preferably, relative to three dimensions draw spray
The movement of rifle.
It is used to determine top blast immersion oxygen blast injector reactor assembly there is provided one kind according to a further aspect of the invention
Molten bath in running status method, the described method comprises the following steps：The sensing device being installed on spray gun is provided；Make spray
At least lower end of rifle is dropped in molten bath towards submerged position；Respond the motion of the spray gun and/or apply to the spray gun
The one or more detected signals of power generation；And send detected signal to receiver；Processing is detected
Signal with determine at least amplitude of the motion of spray gun and direction or apply to spray gun power；Wherein the motion of spray gun or apply
The power for adding to spray gun shows running status in the molten bath.
In a form of methods described, the receiver includes processing unit, and it is obtained according to detected signal
Obtain the data relevant with the running status in molten bath.
In another form of methods described, the receiver is communicatively coupled to the base station with processing unit, institute
State processing unit and the data relevant with the running status in molten bath are obtained according to detected signal.
The step of one or more motions for detecting spray gun preferably include determine the spray gun along X, Y and Z axis
It is mobile.
Detect one or more motions of spray gun or apply the acceleration that may include to measure spray gun the step of to the power of spray gun
Degree；Measure the rotary motion of spray gun；One or more of and/or measurement vibration and/or stress.
Brief description of the drawings
The present invention is more specifically described referring now to accompanying drawing.It should be appreciated that shown embodiment is only to show
Example and it should not be construed as limited the present invention, such as limited range in the following claims.
Fig. 1 is the broken section signal for the bath smelting furnace for including the top blast immersion spray gun according to prior art
Figure.
Fig. 2 is the schematic diagram for showing the top blast immersion spray gun according to prior art.
Fig. 3 is to show that the top blast immersion for being provided with the sensing device of the present invention sprays the schematic diagram of spray gun.
Fig. 4 A are the schematic diagram for showing to be positioned at the spray gun of the outside in molten bath.
Fig. 4 B be show when spray gun is positioned at the outside in molten bath by the schematic diagram according to Fig. 4 A spray gun along X, Y
And the corresponding chart of the movement of Z axis.
Fig. 5 A are the schematic diagram for showing just to be positioned at the spray gun of the surface in molten bath.
Fig. 5 B are to show to spray when spray gun is just positioned at the surface in molten bath by the schematic diagram according to Fig. 5 A
Rifle along X, Y and the corresponding chart moved of Z axis.
Fig. 6 A are the schematic diagram of normal operational position relative to molten bath that is showing spray gun.
Fig. 6 B are to show when schematic diagram of the spray gun according to Fig. 6 A is in normal run location in molten bath
Spray gun along X, Y and the corresponding chart moved of Z axis.
Fig. 7 A are the schematic diagram for showing the spray gun in molten bath by abnormal running status.
Fig. 7 B be show schematic diagram of the spray gun according to Fig. 7 A in molten bath by abnormal running status when
Spray gun along X, Y and the corresponding chart moved of Z axis.
Fig. 8 is according to an embodiment of the invention for determining top blast immersion oxygen blast injector reactor system to show
The flow chart of the method for running status in the molten bath of system.
Embodiment
With reference first to Fig. 1, exemplary top blast immersion oxygen blast injector reactor assembly 100 is shown.Reactor 102 has
Cylindrical shell 104, it is closed in its top end by inclined top cover 106, discharges flue 108 from the inclined top cover
106 protrude upward to exhaust boiler/heat exchanger 110.In Fig. 1, a part for shell 104 is removed and enabled to
The inside of observing response device 102, but shell 104 is except being circumferentially at all levels in its height of the outer of slag notch
Continuously.Top cover 106 has entrance 112, and top blast immersion injection spray gun 114 extends downwardly through the entrance 112, to cause
The end portion 115 of spray gun is immersed in molten bath 116.Reactor 102 also has：The supply port opened wide through top cover 106
118 enable to load the raw material for required pyrometallurgy operation into molten bath 116；And burner port
120, enable in case of need insert the burner 122 for heating response device.Spray gun 114, which has, to be made it possible to
Enough connectors 124 that spray gun 114 is connected to single fuel/reducing agent source and oxygen-containing gas source, enable to make this
A little materials individually pass downwardly through spray gun 114 and mix to supply ignition mixture at the lower part outlet end of spray gun.Fuel
Burning with the mixture of oxygen generates combustion zone at the lower part outlet end 115 of spray gun in molten bath 116, and in molten bath
Strong turbulence is generated in 116, it causes the raw material loaded by port 118 to be scattered in molten bath to cause required wherein
Pyrometallurgy is reacted.
As shown in Figure 2, spray gun 114 is to be provided with the top blast immersion injection spray gun 114 of the sensing device of the present invention
An exemplary form lower end schematic diagram.Spray gun 114 include outer tube 202, inner tube 204 and the pipe 202 with
Intervalve 206 between 204.Pipe 202,204 and 206 has circular section and generally concentrically arranged.It is defined in
Circular passage 208 between pipe 202 and 206 makes it possible to supply air, and the passage 210 being defined between pipe 204 and 206 makes
Oxygen must be capable of supply that.The lumen pore 212 that pipe 204 is limited makes it possible to supply fuel/reducing agent.As illustrated, the He of pipe 204
206 terminate at more than the lower end of pipe 202 shorter distance relative to the total length of spray gun 114, to provide mixing chamber 214, combustion
Material/reducing agent, air and oxygen mix to contribute to fuel effective at the lower end of pipe 202 in the mixing chamber 214
Burning.Spray gun 114 can have the length up to substantially 25 meters and the external diameter up to substantially 0.5 meter for comercial operation.Spray gun 114
Experimental provision form can have only substantially 4 meters of length and substantially 0.075 meter of external diameter.
Referring now to Figure 3, showing sensing device combined with Fig. 2 spray gun, for determining the running status in molten bath
An exemplary form.Sensing device 302 is displayed magnified relative to the diameter of spray gun 114.Sensing device 302 is installed on spray
On rifle 114 and in three dimensions, substantially in a horizontal plane (X-axis 312 and Y-axis 314) and substantially in perpendicular
In (Z axis 316) detection spray gun motion and/or apply to spray gun power, such as acceleration of gravity.Preferably, sprayed in oxygen blast
Continuously detected during the whole service of device reactor assembly 100 (referring to Fig. 1), it is contemplated that, detection can quilt
It is programmed for carrying out at predetermined intervals providing verification or comparison point for the signal detected by future.Such as will in the following paragraphs
Specifically describe, the motion detected by sensing device 302 shows the running status in molten bath 116 (referring to Fig. 1).
Because the inclusion of top blast immersion oxygen blast injector is sightless, operator is difficult to truly understand in molten bath
Operation shape.Generally, how operator will will be responded and showed under given conditions by empirical learning spray gun.By oxygen-containing gas
Slag splash in the molten bath is caused into molten bath with fuel injection.Spray the motion in slag or molten bath together with by via spray gun from
The power caused by gas or other materials that body is sprayed causes the various involuntary movements of spray gun.It is immersed at least in part molten
The amplitude of the motion of spray gun in pond and direction, (it is instructed in figure 3 on each axis of orientation together with power and/or acceleration
For " G ") therefore be the reliable instruction to the running status in molten bath.
For example, as shown in Figure 3, lower end 304 of the sensing device 302 away from spray gun 114 is installed.This construction prevents sensing
Condition in the contact of device 302 molten bath 116 (referring to Fig. 1).At spray gun spray nozzle 310 (that is, termination of the lower end 304 of spray gun) place
Any motion occurred is transferred to the upper end 306 of spray gun substantially.Correspondingly, sensing device 302 can will be immersed away from spray gun 114
Lower end 304 not in molten bath is installed, and still provides the useful instruction on the running status in molten bath.
Spray gun 114 is installed on lifting device (not shown) or is fixed to lifting device, point at the point 308 on spray gun
308 between the lower end 304 and upper end 306 of spray gun.Because the position of spray gun 114 is only at the intermediate point 308 to be fixed,
Therefore it will be passed to as any motion caused by acting on the power on spray gun spray nozzle 310 in the whole length of spray gun.Although
Spray gun 114 is installed on lifting device to the physical constraint source that substantially provides, and (it can be additionally by being connected to spray gun elsewhere
114 single physical constraint is provided), but motion or apply to the power of spray gun spray nozzle 310 transmission under any circumstance
To all occur by the significant power that top blast immersion spray gun 114 is subjected to during running.
The motion that can be measured by sensing device 302 and/or the scope of power are included at least：Up to three dimensions (that is,
X, Y and Z plane) in movement；Acceleration；Rotary motion；And vibration or stress.Measure spray gun at least two dimensions
In movement (such as X and Y plane movement) be to due to molten bath spray slag caused by movement reliable instruction.Measurement is the
Movement (such as the motion of the Z plane caused by the injection under normal liquid slag) in three dimensionality is to running status
Another instruction.
The range of movement of proposed spray gun can be detected by sensing device, the sensing device includes such as sensing directional
One or more in device, accelerometer, the various independent sensors of gyroscope or magnetometer.Alternatively, can be with inertia
The form of measuring unit (IMU) provides the function of various sensors in single sensing device.
Sensing device, which is attached to, to be configured to receive the reception from multiple detected signals transmitted by sensing device
Device.If receiver includes processing unit, analyze detected signal to determine the width of at least motion of spray gun by receiver
Degree and direction.Alternatively, if receiver does not include processing unit, this function can be included in the base station of long range positioning.It is in office
In the case of what, processing unit all analyzes detected signal and generates output information to visually indicate that the operation in molten bath
State.Output information is in the form that top blast immersion oxygen blast injection reactor operator is readily understood.For example, output information
It can be provided in the form of one or more charts, its vision that the movement to the spray gun is provided at least two dimensions refers to
Show.The example of such chart is described hereinafter with reference to Fig. 4 B, 5B, 6B and 7B.
Other functions of such as data acquisition, storage and signal transacting can be also embedded in receiver.Alternatively, may be used
Remote-control device in such as base station includes part or all of in these functions.
Receiver can be via wireless network wireless connections to base station, such as bluetooth, WIFI, Wireless Personal Network or wireless local
Net or the such as wireless wide area network of 3G or 4G networks can be constantly available other wireless networks.Alternatively, receiver
Receiver or remote base stations can be hard-wired to.It is processed in real-time it is desirable that sending to the data of receiver, but it is also possible to consider
It is that data can be obtained and then by processed offline from receiver batch.The real-time processing of detected data is supported to fortune
The real-time monitoring and debugging of line program, to adapt to current operating conditions.
With reference now to Fig. 4 A and 4B, show that the first example of the running status of the sensing device detection of the present invention can be used.
With reference first to Fig. 4 A, spray gun " outside in molten bath ", that is, spray gun spray nozzle 310 is not immersed in molten bath 116 and correspondingly
The power that will be applied thereto without the motion by spray slag or molten bath.In this state, as expected, shown in Fig. 4 B
The moving along X, Y or Z axis of corresponding output information or the not shown spray gun of chart 400.The state of " outside in molten bath "
It is significantly undesirable, not only due to the gas or other materials that are sprayed via spray gun 114 are not injected directly
Into molten bath 116, but also because this (may will not be formed at spray by solidification slag coating during normal running status
On gun sprayer) protection spray gun spray nozzle 310 on cause other abrasion.
With reference now to Fig. 5 A, it is schematically shown " top jet " state, the wherein position of spray gun 114 are not just immersed
Not in molten bath 116.Spray gun spray nozzle 310 is just located in the surface in molten bath 116.The state due to " in molten bath
Reason as the state class of outside " is undesirable, that is, gas or other materials are not injected directly into molten bath 116
In and cause spray gun spray nozzle 310 prematurely to be worn and torn." top jet " shape is shown by chart 500 for example as shown in Figure 5 B
State.The chart 500 shows the motion of relative homogeneous of the spray gun in X, Y and Z plane, and it has amplitude class in three dimensions
As similar range of movement.This motor pattern is the motion as spray slag or molten bath to caused by the limited influence of spray gun
's.
With reference now to Fig. 6 A, normal or satisfactory running status is shown, wherein spray gun 114 is at optimum depth
It is fluid to be immersed in the slag in molten bath 116 and in molten bath.In such satisfactory running status, spray gun 114
The motor pattern some scramblings relevant generally by movement with spray gun in X, Y and Z plane is shown, as depicted in figure 6b
Chart 600 shown by.This scramble pattern of the movement of spray gun with similar amplitude is sprayed by the molten bath of rule
Caused by slag, Fluid slag facilitates the regular molten bath spray slag with the spray gun spray nozzle being immersed at optimum depth.
With reference now to Fig. 7 A and 7B, an example of abnormal running status is shown, wherein spray gun 114 is in molten bath 116
It is submerged too deep.Resulting chart 700 shown in Fig. 7 B shows unstable shifting of the spray gun in X, Y and Z plane
It is dynamic.Moreover, mobile amplitude is actually arbitrary.The other factorses of similar chart, which may be caused, to be included：Viscosity coefficient of dross is too
Greatly, unpredictable molten bath spray slag is caused, it can additionally show that bath temperature is too low.
Also measurable normal acceleration, it will be made by the phenomenon of the fluctuation caused by such as or molten bath splash
Into interaction with molten bath produce.
, can be regularly or continuously by normal running status compared with the state calibrated by the calibration of sensing device
Compared with to cause operator to respond the operational factor that detected anomaly adjusts reactor.For example, described device can quilt
It is configured to generate can be seen that, audible or tangibly police in the case where detecting undesirable running status
Report.The alarm that can be seen that can take the form of the chart as being described with reference to the accompanying figures.For example, color can be carried out to the ring on chart
Coding, more clearly to point out the time for being moved into such as " red area " of spray gun in one direction to operator,
This restorative action that shows undesirable state in molten bath and should take.If on the contrary, chart stays in example
As in " green area ", then this state that can be can be shown that in molten bath is satisfactory, and " yellow area " can be shown that state
Should nearly it be monitored.Alternatively, the alarm that can be seen that can be simplified to the display of numeral or color coding, such as it is single
Green, yellow or red light show satisfactory, the neutral or undesirable state in molten bath.No matter alarm
Any form is taken, is all the undesirable state in real-time reminding operator's attentive response device, enabling
Corrective action is taken in timely mode.
Referring now to Figure 8, showing to illustrate the flow chart of method 800, methods described 800 is used to determine as hereinbefore
Running status in the molten bath of described top blast immersion oxygen blast injector reactor assembly.Methods described is included in implementation step
The sensing device being installed on spray gun is provided when rapid 810.In implementation steps 820, towards submerged position by spray gun at least under
End positioning is dropped in molten bath.In implementation steps 830, the signal detected by the motion generation of response spray gun, and
During implementation steps 840, detected signal is sent to receiver.In implementation steps 850, the detected signal of processing
To determine at least amplitude of the motion of spray gun and direction.In implementation steps 860, the amplitude of spray gun motion and direction show molten bath
One or more of running status.Methods described is repeatedly, to cause continuously or with regular or even random
Interval generation detected by signal, to provide the continual monitoring to the running status in molten bath.
The sensing device of the present invention provides various advantages and interests for the operation of top blast immersion oxygen blast injector reactor.
The operation of spray gun itself acts as sensor to show the state in molten bath by sensing device.By measuring the motion of spray gun, obtain
Various reactor operation characteristics and it is measurable, record various reactor operation characteristics and by various reactor operation characteristics
Compared with satisfactory or optimal equipment running status, enable to response detected by sub-optimal state with
Timely mode takes corrective action.Therefore, the efficiency of reactor can be optimized.
Wherein, in this specification (include claim) using term " including (comprise) ", " including
(comprised) " or " including (comprising) ", they will be understood as describing in detail illustrated by feature, entirety,
The presence of step or component, but it is not excluded that the presence of one or more of the other feature, entirety, step or component or its group.
Although the embodiment for having been incorporated into limiting quantity describes the present invention, those skilled in the art in the invention
It should be appreciated that according to foregoing description, many alternative solutions, change and be deformed into possible.Correspondingly, the present invention is included
All such alternative solutions, modification and the deformation that can be fallen into the spirit and scope as disclosed of the present invention.
Claims (23)
1. a kind of be used to determine the sensing device of the running status in the molten bath of top blast immersion oxygen blast injector reactor assembly,
At least lower end of spray gun is located in submerged position in the molten bath, the sensing device be installed on the spray gun and
It is configured to detect one or more motions of the spray gun or applies to the power of the spray gun, wherein detected motion
Or power shows the running status in the molten bath.
2. sensing device according to claim 1, it is characterised in that the sensing device is aspect sensor.
3. sensing device according to claim 1, it is characterised in that the sensing device includes accelerometer, gyroscope
And/or the one or more in magnetometer.
4. the sensing device according to any one of claims 1 to 3, it is characterised in that the sensing device is away from institute
Install the lower end for stating spray gun.
5. the sensing device according to any one of Claims 1-4, it is characterised in that the sensing device is attached to
It is configured to receive as the receiver of multiple detected signals transmitted by the sensing device.
6. sensing device according to claim 5, it is characterised in that the receiver includes being configured to analyze being detected
To signal to determine at least amplitude of the motion of spray gun and the processing unit in direction.
7. sensing device according to claim 5, it is characterised in that the receiver and the base station communication that is remotely located
Connection, the base station of the long range positioning includes being configured to the signal detected by analysis determining the width of at least motion of spray gun
Degree and the processing unit in direction.
8. the sensing device according to claim 6 or 7, it is characterised in that the processing unit is according to detected letter
Number generation output information is described visually to be indicated to the operator of the top blast immersion oxygen blast injector reactor assembly
The running status in molten bath.
9. sensing device according to claim 8, it is characterised in that the output information is in the shape of one or more charts
Formula, to provide visually indicating for the movement to the spray gun at least two dimensions.
10. a kind of top blast immersion oxygen blast injector reactor assembly, including：
Molten bath；
The spray gun that can be moved between submerged position and non-submerged position, the spray gun has lower end and upper end, the lower end quilt
It is configured to drop in the molten bath in the submerged position；And
Sensing device, it is installed on the spray gun and is configured to detect one or more motions of the spray gun or applies
The power of the spray gun is added to, wherein detected motion or power shows the running status in the molten bath.
11. top blast immersion oxygen blast injector reactor assembly according to claim 10, it is characterised in that the spray gun
It is installed on lifting device, the lifting device can be manipulated into is positioned at the submerged position and non-submerged position by the spray gun
Between putting, the spray gun is installed on the lifting device at the point between the lower end of the spray gun and the upper end of the spray gun
On, wherein the sensing device is installed close to the upper end of the spray gun.
12. the top blast immersion oxygen blast injector reactor assembly according to claim 10 or 11, it is characterised in that described
Sensing device is aspect sensor.
13. the top blast immersion oxygen blast injector reactor assembly according to claim 10 or 11, it is characterised in that described
Sensing device includes the one or more in accelerometer, gyroscope and magnetometer.
14. the top blast immersion oxygen blast injector reactor assembly according to any one of claim 10 to 13, enters one
Step includes the receiver for being configured to receive multiple detected signals.
15. top blast immersion oxygen blast injector reactor assembly according to claim 14, it is characterised in that the reception
Device includes being configured to the signal detected by analysis determining at least amplitude of the motion of spray gun and the processing unit in direction.
16. top blast immersion oxygen blast injector reactor assembly according to claim 14, it is characterised in that the reception
Device couples with the base station communication of long range positioning, and the base station of the long range positioning includes being configured to signal Analysis to determine at least
The amplitude of the motion of spray gun and the processing unit in direction.
17. the top blast immersion oxygen blast injector reactor assembly according to claim 15 or 16, it is characterised in that described
Processing unit is according to detected signal generation output information visually to point out the running status in the molten bath.
18. top blast immersion oxygen blast injector reactor assembly according to claim 17, it is characterised in that the output
Information is in the form of one or more charts, to provide visually indicating for the movement to the spray gun at least two dimensions.
19. a kind of be used to determine the method for the running status in the molten bath of top blast immersion oxygen blast injector reactor assembly, institute
The method of stating comprises the following steps：
The sensing device being installed on spray gun is provided；
At least lower end of spray gun is set to be dropped to towards submerged position in molten bath；
Respond the motion of the spray gun and/or apply to the one or more detected signals of power generation of the spray gun；With
And
Detected signal is sent to receiver；
Detected signal is handled to determine at least amplitude of the motion of spray gun and direction or apply to the power of spray gun；
Wherein the amplitude of the motion of spray gun and direction or application show the running status in the molten bath to the power of spray gun.
20. the method according to claim 19 for being used to determine the running status in molten bath, it is characterised in that processing is examined
The step of signal measured is to determine at least amplitude of the motion of spray gun and direction include determining the spray gun along X-axis, Y-axis and
The movement of Z axis.
21. the method for being used to determine the running status in molten bath according to claim 19 or 20, it is characterised in that processing
Detected signal is to determine that at least amplitude of the motion of spray gun and direction include determining the acceleration of the spray gun.
22. the method for being used to determine the running status in molten bath according to claim 19 or 20, it is characterised in that processing
Detected signal is to determine that at least amplitude of the motion of spray gun and direction include determining the rotary motion of the spray gun.
23. the method for being used to determine the running status in molten bath according to claim 19 or 20, it is characterised in that processing
Detected signal is vibrated and/or stress with determining that at least amplitude of the motion of spray gun and direction include determination.
Applications Claiming Priority (3)
| 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 | ||
| PCT/IB2015/059904 WO2016103195A1 (en) | 2014-12-24 | 2015-12-23 | A sensing device for determining an operational condition in a molten bath of a top-submerged lancing injector reactor system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107110604A true CN107110604A (en) | 2017-08-29 |
| CN107110604B CN107110604B (en) | 2020-01-21 |
Family
ID=55299684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580070552.2A Active CN107110604B (en) | 2014-12-24 | 2015-12-23 | Sensor device for determining operating states in a molten bath of a top-submerged oxygen lance reactor system |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP3245465B1 (en) |
| JP (1) | JP6499293B2 (en) |
| KR (1) | KR102022170B1 (en) |
| CN (1) | CN107110604B (en) |
| AU (1) | AU2015370482B2 (en) |
| EA (1) | EA032999B1 (en) |
| ES (1) | ES2732225T3 (en) |
| PE (1) | PE20171020A1 (en) |
| PL (1) | PL3245465T3 (en) |
| TR (1) | TR201909377T4 (en) |
| WO (1) | WO2016103195A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6973339B2 (en) * | 2018-09-19 | 2021-11-24 | Ｊｆｅスチール株式会社 | Refining lance equipment |
| JP2022519386A (en) * | 2018-10-23 | 2022-03-23 | ナカノ，ジンイチロウ | How to control the position of the furnace lance |
| JP7325196B2 (en) * | 2019-03-11 | 2023-08-14 | 株式会社東芝 | Metal melting and melting state confirmation system |
| CN113249677A (en) * | 2021-06-22 | 2021-08-13 | 天龙科技炉业(无锡)有限公司 | Controllable atmosphere well type nitriding furnace |
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- 2015-12-23 KR KR1020177019395A patent/KR102022170B1/en active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3245465B1 (en) | 2019-04-17 |
| EP3245465A1 (en) | 2017-11-22 |
| KR20170094417A (en) | 2017-08-17 |
| WO2016103195A1 (en) | 2016-06-30 |
| ES2732225T3 (en) | 2019-11-21 |
| EA032999B1 (en) | 2019-08-30 |
| AU2015370482B2 (en) | 2019-04-18 |
| PL3245465T3 (en) | 2019-09-30 |
| JP6499293B2 (en) | 2019-04-10 |
| TR201909377T4 (en) | 2019-07-22 |
| KR102022170B1 (en) | 2019-09-17 |
| JP2018508730A (en) | 2018-03-29 |
| CN107110604B (en) | 2020-01-21 |
| EA201791303A1 (en) | 2017-12-29 |
| AU2015370482A1 (en) | 2017-08-03 |
| PE20171020A1 (en) | 2017-07-17 |
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