CN110453034A - A kind of device and method of on-line real time monitoring converter lining erosion state - Google Patents
A kind of device and method of on-line real time monitoring converter lining erosion state Download PDFInfo
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- CN110453034A CN110453034A CN201910790901.8A CN201910790901A CN110453034A CN 110453034 A CN110453034 A CN 110453034A CN 201910790901 A CN201910790901 A CN 201910790901A CN 110453034 A CN110453034 A CN 110453034A
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- 230000003628 erosive effect Effects 0.000 title claims abstract description 47
- 238000012544 monitoring process Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 45
- 239000010959 steel Substances 0.000 claims description 45
- 239000002893 slag Substances 0.000 claims description 42
- 238000013178 mathematical model Methods 0.000 claims description 35
- 239000000155 melt Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 238000012549 training Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000013135 deep learning Methods 0.000 claims description 3
- 238000010309 melting process Methods 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003500 flue dust Substances 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000161 steel melt Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
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- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
- G06N3/08—Learning methods
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Abstract
The embodiment of the invention discloses a kind of device and methods of on-line real time monitoring converter lining erosion state, described device includes: temperature sensor, total terminal box, transacter and data processing equipment, the temperature sensor is embedded in converter lining, temperature sensor is connect by compensating wire with total terminal box, total terminal box is converted and is sent out to temperature sensor data, the transacter receives the data that total terminal box is sent, the data processing equipment is connect with transacter, data processing equipment is analyzed and processed data, show the indices of converter lining.The present invention solves the problems, such as that the temperature of existing converter lining and erosion state are unable to on-line real time monitoring.
Description
Technical field
The present embodiments relate to technical field of metallurgy industry, and in particular to a kind of on-line real time monitoring converter lining erosion
The device and method of state.
Background technique
Converter is the main equipment in process for making, and converter smelting is the important of the production of high-quality variety steel and cost control
Link.Thus, the safe and efficient operation and production of converter are most important.In converter production process, the maintenance to converter lining is
The most important thing in many work, and maintain the necessary means of converter reasonable furnace, steady production.And safeguard converter lining
On condition that realize the online of converter lining erosion state, real-time monitoring and early warning, and currently rely primarily on artificial observation or from
Line discontinuously measures, and is the measure of a kind of hysteresis quality, noncontinuity, it is difficult to realize the Real-time Feedback of converter operation and maintenance.
In converter production process, fire proof material of furnace lining Long Term Contact high-temperature molten steel and the very strong clinker of aggressivity can not
Bear the high temperature of molten steel physico-chemical attack and thermal stress with avoiding corrode along in furnace supersonic jet to furnace wall,
The resistance to material such as furnace crown washes away, and working environment is very severe, and big face, rear big face, trunnion lower zone are that furnace lining is easy quilt before converter
The weak link of erosion.Especially trunnion lower zone, once it is abnormal erosion, it is difficult to by splashing slag reparation, only pass through
The mode that furnace bottom integrally goes up is repaired, but has seriously affected bottom-blowing of converter function, is difficult to control converter terminal ingredient,
It easily causes converter top and bottom complex blowing asynchronous, while also resulting in Molten Steel over-oxidation, increase subsequent deoxidation cost and refining procedure
Remove the burden of deoxidation products.On the other hand, converter lining inner mold changes, and directly influences the change of converter molten pool liquid level
Change, and then influence the variation of oxygen lance position, be easy to cause converter splash, influence life-span of oxygen lance, influence converter steel technology
With various steel supplementary product onsumptions.Therefore, converter profile and prediction converter erosion state are maintained, is the important process of converter operation.
Currently, most domestic steel mill is for the refractory temperatures of converter lining and the monitoring of erosion state, there are blind
Area cannot achieve online, real-time monitoring, is mainly based upon artificial furnace body and observes, based on intermittent offline laser measurement, inspection
Surveying result has hysteresis quality, cannot reflect the erosion state in furnace in real time, prevent site operation personnel from adjusting converter in time
Operation, influences the steady production of converter procedure.It is blind to there is monitoring in two timing nodes of off-line monitoring lining wear state
Area is not easy to find that furnace lining regional area corrodes the abnormal critical value (lining thickness is less than 200~300mm) that whether reaches and even has furnace
Lining burns bleed-out risk, misses the opportunity of furnace lining maintenance, iron and steel enterprise tends to take the measure for the furnace bottom that rises, to sacrifice bottom blowing
System is cost, loses effective stirring of the bottom blowing system to converter, and T.Fe etc. is produced in the dephosphorization and slag of converter steelmaking process
Index sharply declines.Or bring safety, control steel quality using converter active time is sacrificed, that is, terminate in advance Converter
Labour, production cost is promoted, while also resulting in the wasting of resources.
The erosion state for relying solely on traditional artificial furnace body observation converter, is unable to judge accurately lining thickness and weakness
Place, or even will cause erroneous judgement.The problem of causing 2 levels: on the one hand, when local erosion is compared with depth but little area, because erroneous judgement or
Person can't see and the serious malignant event of producer body drain steel；On the other hand, because the position for causing furnace body thicker weight is not allowed in judgement
It repairs again and causes the type of furnace that significant change occurs, influence stirring and the dephosphorization decarburization etc. in furnace.
The method that another kind measurement converter lining corrodes data is that the laser thickness measurer of furnace liner that the country is widely used uses
Laser ranging method carries out non-contact measurement to converter lining, so that furnace lining is invaded at 10~15m of steelmaking converter fire door
Position and variation degree quantification are lost, is a kind of preferable detection method.However, laser ranging method belongs to hysteresis quality, discontinuity
Detection method, cannot achieve online monitoring in real time, data can not be provided to real-time heat and supported.Also, due to measuring
Journey needs to suspend production, influences the converter smelting period, and when worker operation needs directly facing the high temperature in Converter, operating environment
Badly.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of device and method of on-line real time monitoring converter lining erosion state, with
The temperature and erosion state for solving the problems, such as existing converter lining are unable to on-line real time monitoring.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of the embodiments of the present invention, a kind of dress of on-line real time monitoring converter lining erosion state is disclosed
It sets, described device includes: temperature sensor, total terminal box, transacter and data processing equipment, the temperature sensor
It is embedded in converter lining, temperature sensor is connect by compensating wire with total terminal box, and total terminal box is to temperature sensor number
According to being converted and being sent out, the transacter receives the data that total terminal box is sent, the data processing equipment
It is connect with transacter, data processing equipment is analyzed and processed data, shows the indices of converter lining.
Further, the temperature sensor is wrapped with protection sleeve pipe, and temperature sensor is embedded in converter lining, temperature
Bricking in the tip contact converter of sensor, is arranged arc buffering circle between converter shell and furnace lining, and temperature sensor is logical
Overcompensation conducting wire is connect with total terminal box, is wrapped up, is protected by steel pipe on the outside of compensating wire.
Further, total terminal box is mounted on trunnion of converter region, is provided between total terminal box and converter shell
Backing plate, total terminal box outside install protective shell, offer compensating wire entrance on protective shell, digital-to-analogue is provided in total terminal box and is turned
Parallel operation and sender unit, sender unit include wireless launcher and wired transmission device, the digital analog converter
It is connect with temperature sensor by compensating wire, the sender unit is connect with digital analog converter, and sender unit will
Data after conversion are sent to transacter.
Further, memory is provided in the transacter, the data that transacter is collected are storing
It is stored in device.
Further, the data processing equipment is connect with transacter, and data processing equipment divides data
Analysis processing, processing result are shown by display device, and the data processing equipment is computer.
According to a second aspect of the embodiments of the present invention, a kind of side of on-line real time monitoring converter lining erosion state is disclosed
Method, the method are as follows:
Temperature sensor acquires the temperature information of converter lining, is established according to converter slag crust, furnace lining and casing temperature field anti-
Problem mathematical model；
According to converter lining thickness of the slag crust corresponding under different temperatures, furnace lining residual thickness and corroding thickness to indirect problem number
It learns model and carries out deep learning training；
After the completion of training, the temperature information typing indirect problem mathematical model that temperature sensor is acquired utilizes " steepest gradient
Algorithm " solves indirect problem mathematical model；
Furnace lining thickness of the slag crust, furnace lining residual thickness, corroding thickness are exported, casing temperature is calculated, converter thermal loss, gives up
Steel melts process and slag steel liquid level；
Display device shows analysis and processing result, and data processing equipment is examined automatically according to converter lining corroding thickness
Disconnected, convertor lining thickness then issues warning information lower than given threshold, realizes the early warning of converter lining on-line real time monitoring.
Further, after the indirect problem mathematical model is established, acquire the temperature of converter lining, using laser thickness gauge and
The remaining thickness of furnace lining, the thickness of the slag crust, corroding thickness acquired during converter overhaul, verification indirect problem mathematical model are trained
Study, realization predict the remaining thickness of furnace lining, thickness of the slag crust, corroding thickness according to converter lining temperature.
Further, the steel scrap melts process and calculates, and melts mathematical model by establishing steel scrap, couples slag crust, furnace lining
And the temperature field information of furnace shell, influence of the steel scrap melting process to furnace lining inner boundary temperature is calculated, steel scrap is established and melts mathematical modulo
The DNN algorithm of type and furnace lining inner boundary temperature, according to the lining edge temperature measured using DNN algorithm calculate steel scrap melt into
Journey.
Further, the slag steel liquid level by add iron water amount, steel scrap melted mass and slag making dosage be added into
Row calculates.
Further, the output of indirect problem mathematical model prediction the furnace lining thickness of the slag crust, furnace lining residual thickness, corroding thickness
Afterwards, by actual measurement converter corroding thickness, thickness of the slag crust, furnace lining residual thickness, slag steel liquid level to indirect problem mathematical model into
Row calibration and amendment.
The embodiment of the present invention has the advantages that
The embodiment of the invention discloses a kind of device and methods of on-line real time monitoring converter lining erosion state, in converter
Temperature sensor is buried in furnace lining, by sender unit after the temperature information progress analog-to-digital conversion that temperature sensor is acquired
It is sent to data processing equipment, data processing equipment establishes indirect problem mathematical model, thick according to the temperature value prediction slag crust measured
Degree, corroding thickness, furnace lining residual thickness realize the on-line monitoring of converter erosion state.Avoid artificial observation lining wear shape
The error of state eliminates the mistake monitored using non-contact laser ranging to converter lining erosion in the case of high-temperature flue gas and dust
Difference avoids cable from burning out by wirelessly transmitting data, reduces cost, is capable of the state of long-range real time on-line monitoring converter lining.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 is a kind of apparatus structure signal of on-line real time monitoring converter lining erosion state provided in an embodiment of the present invention
Figure；
Fig. 2 is a kind of device connection signal of on-line real time monitoring converter lining erosion state provided in an embodiment of the present invention
Figure；
In figure: 1- temperature sensor, 2- digital analog converter, 3- sender unit, 4- transacter, at 5- data
Manage device, 6- furnace shell, 7- furnace lining, 8- converter.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Embodiment 1
Present embodiment discloses a kind of device of on-line real time monitoring converter lining erosion state, described device includes: temperature
Degree sensor 1, total terminal box, transacter 4 and data processing equipment 5, the temperature sensor 1 are embedded in converter lining
In 7, temperature sensor 1 is connect by compensating wire with total terminal box, and total terminal box converts simultaneously 1 data of temperature sensor
It is sent out, the transacter 4 receives the data that total terminal box is sent, the data processing equipment 5 and data collection
Device 4 connects, and data processing equipment 5 is analyzed and processed data, shows the indices of converter lining 7.The present invention is unlimited
In being applied to steelmaking converter, it is equally applicable to copper converter, AOD, fish torpedo ladle, RH, VOD Sheng liquid metal vessels.
Temperature sensor 1 is wrapped with protection sleeve pipe, and temperature sensor 1 is embedded in converter lining 7, temperature sensor 1
Bricking in tip contact converter 8, is arranged arc buffering circle between converter shell 6 and furnace lining 7, and arc buffering circle length is
50mm eliminates the thermal expansion of furnace shell 6 to the shear stress of temperature sensor 1, while also to guarantee that temperature sensor 1 and resistance to material are close
Contact.Temperature sensor 1 is connect by compensating wire with total terminal box, is wrapped up, is protected, steel by steel pipe on the outside of compensating wire
Pipe model DN35, outer diameter 38mm.Steel pipe has high temperature resistant, corrosion-resistant, anti-using 600 nichrome of Inconel
Oxidation, anti-nitridation, anti-carburizing energy, creep resistant breaking strength, have preferable mechanical performance, and highest can bear 1100 DEG C of height
Temperature, chemical component reference table 1.
1 temperature sensor of table, 1 protection sleeve pipe chemical component
| Nickel | Chromium Cr | Iron Fe | Carbon C | Manganese Mn | Silicon Si | Copper Cu | Aluminium Al | Titanium Ti | Boron | Phosphorus P | Sulphur S | |
| Content, % | 72 | 14-17 | 6-10.0 | 0.15 | 1.0 | 0.5 | 0.5 | 0.3 | 0.3 | 0.006 | 0.015 | 0.015 |
Temperature sensor 1 selects have high temperature resistant, anti-oxidant, resistant to high temperatures compacted specifically for 7 environment exploitation of converter lining
Become, 7 dedicated temperature sensor 1 of converter lining of anti-alternately thermal stress erosion performance, to guarantee the work steady in a long-term of temperature sensor 1
Make.7 temperature sensor 1 of converter lining is specific to the high-quality armouring flexibility temperature sensing of 7 Service Environment of converter lining design
Device 1.1 cable of GB/T 18404-2001 sheath temperature sensor and sheath temperature sensor 1 or thermal resistance, specifications and models and property
It can parameter reference table 2.
The specifications and models and performance parameter of 2 temperature sensor 1 of table
1 burial place of temperature sensor is provided by the mathematical model calculating of thermal conduction study, is initially set up based on 8 slag of converter
6 temperature field direct problem mathematical model of skin, furnace lining 7 and furnace shell, using thickness measurement with laser instrument and 8 overhaul of converter in the process to its temperature
Field mathematical model is verified and is proofreaded；Summarize 7 erosion pattern of converter lining；Using having verified and modified 8 temperature field of converter
Mathematical model hangs with different thickness of the slag crust to converter lining 7, different 7 erosion patterns of furnace lining carries out Temperature calculating；In converter
Different location selection in the circumferential direction and short transverse of furnace lining 7 is to installation at the 7 temperature position of furnace lining of erosion pattern variation sensitivity
Thermocouple installs two temperature sensors 1 in order to avoid interference in same radial position.
Total terminal box is mounted on 8 trunnion region of converter, and backing plate, total wiring are provided between total terminal box and converter shell 6
Protective shell is installed on the outside of box, offers compensating wire entrance on protective shell, protective shell outermost end is apart from 650~100mm of furnace shell, always
Cushioning plate is fully welded between terminal box and furnace shell 6, and all temperature sensors 1 are connect with total terminal box, is set in total terminal box
It is equipped with digital analog converter 2 and sender unit 3, sender unit 3 includes wireless launcher and wired transmission device, institute
It states digital analog converter 2 to connect with temperature sensor 1 by compensating wire, the sender unit 3 connects with digital analog converter 2
It connects, the data after conversion are sent to transacter 4 by sender unit 3.
Transacter 4 is mounted on the column near converter 8, and transacter 4 is excessively wireless by wire transmission
The mode of transmitting receives data, and memory is provided in transacter 4, and the data that transacter 4 is collected are storing
It is stored in device.
Data processing equipment 5 is connect with transacter 4, and data processing equipment 5 is analyzed and processed data, logarithm
According to being denoised, being filtered, online acquisition, storage and the display of the temperature of 7 different zones of converter lining are realized, processing result passes through
Display device is shown, and the data processing equipment 5 is computer.
The present invention is based on contact temperature-measuring principles, calculate 7 erosion state of converter lining in real time, avoid artificial observation furnace lining
The error of 7 erosion states, avoid there are in the case of high-temperature flue gas and dust apply non-contact laser ranging to converter lining 7
Corrode the error of monitoring；Realize the online of 7 erosion state of converter lining, real-time monitoring and early warning.
During building converter lining 7,7 temperature acquisition system of converter lining is built, then, according to 7 knot of converter lining
The exploitation such as structure parameter, the physical parameter of resistance to material, Operating parameters 7 thermo parameters method of furnace lining, erosion state, residual thickness are supervised online
Survey diagnostic model.On the basis of improving 7 service life of converter lining, the safe early warning ability of the enhancing operation of converter 8.Can in real time,
The temperature change for monitoring 8 furnace lining 7 of converter incessantly, reduces Manual operation link, and it is insufficient to avoid manual operation bring.
Using wireless data transmission, can be got rid of by temperature online that sensor measures, real-time transmission to computer control terminal
Various connection cables avoid connection cables and burn out and damage limitation to temperature transducer, saved investment and site operation
Difficulty and time greatly simplifie the maintenance of system, greatly improve working efficiency.
Embodiment 2
Present embodiment discloses a kind of method of on-line real time monitoring converter lining erosion state, the methods are as follows:
Temperature sensor 1 acquires the temperature information of converter lining 7, is built according to 8 slag crust of converter, furnace lining 7 and 6 temperature field of furnace shell
Vertical indirect problem mathematical model；
According to 7 thickness of the slag crust of converter lining corresponding under different temperatures, 7 residual thickness of furnace lining and corroding thickness to indirect problem
Mathematical model carries out deep learning training；
After the completion of training, the temperature information typing indirect problem mathematical model that temperature sensor 1 is acquired utilizes " steepest ladder
Spend algorithm " solve indirect problem mathematical model；
7 thickness of the slag crust of furnace lining, 7 residual thickness of furnace lining, corroding thickness are exported, 6 temperature of furnace shell, 8 heat of converter damage are calculated
It loses, steel scrap melts process and slag steel liquid level；
Display device shows analysis and processing result, and data processing equipment 5 is examined automatically according to 7 corroding thickness of converter lining
Disconnected, 7 thickness of converter lining then issues warning information lower than given threshold, realizes 7 on-line real time monitoring early warning of converter lining.
After the foundation of indirect problem mathematical model, the temperature of converter lining 7 is acquired, 8 overhaul of laser thickness gauge and converter is utilized
The remaining thickness of furnace lining 7, the thickness of the slag crust, corroding thickness acquired in the process, verification indirect problem mathematical model are trained study, instruct
After the completion of white silk, the temperature information typing indirect problem mathematical model that temperature sensor 1 is acquired utilizes " steepest gradient algorithm " to solve
Indirect problem mathematical model realization the remaining thickness of furnace lining 7, thickness of the slag crust, corroding thickness are predicted according to 7 temperature of converter lining,
Rule of thumb, the remaining thickness threshold value of warning of converter lining 7 is set in advance, when prediction the remaining thickness of furnace lining 7 be lower than threshold value of warning,
Warning information is then issued, staff adjusts 8 working condition of converter in time, repairs.
Display device shows the different sections of 8 furnace lining of converter 7 temperature field, thermoisopleth, erosion type, the remaining thickness of resistance to material, gives up
Steel fusing and one-dimensional, two-dimentional, 3-D graphic automatic drafting, display and the historical query of liquid level；Realize converter lining 7
Online, the visualization of Real-time Monitoring Data.
Steel scrap melts process and calculates, and melts mathematical model, the temperature of coupling slag crust, furnace lining 7 and furnace shell 6 by establishing steel scrap
Field information calculates influence of the steel scrap melting process to 7 inner boundary temperature of furnace lining, establishes steel scrap and melts in mathematical model and furnace lining 7
The DNN algorithm of boundary temperature calculates steel scrap using DNN algorithm according to 7 boundary temperature of furnace lining measured and melts process；Slag molten steel face
Height is calculated by iron water amount, steel scrap melted mass and slag making the dosage addition of addition.
After indirect problem mathematical model output prediction 7 thickness of the slag crust of furnace lining, 7 residual thickness of furnace lining, corroding thickness, pass through actual measurement
8 corroding thickness of converter, thickness of the slag crust, 7 residual thickness of furnace lining, slag steel liquid level are calibrated and are repaired to indirect problem mathematical model
Just, to realize more accurately prediction.
A kind of device and method of 7 erosion state of on-line real time monitoring converter lining disclosed by the embodiments of the present invention is turning
Temperature sensor 1 is buried in furnace furnace lining 7, and temperature information that temperature sensor 1 acquires sent out after analog-to-digital conversion by signal
Injection device 3 is sent to data processing equipment 5, and data processing equipment 5 establishes indirect problem mathematical model, pre- according to the temperature value measured
Thickness of the slag crust, corroding thickness, 7 residual thickness of furnace lining are surveyed, realizes the on-line monitoring of 8 erosion state of converter.Avoid artificial observation
The error of 7 erosion state of furnace lining is eliminated and is invaded using non-contact laser ranging converter lining 7 in the case of high-temperature flue gas and dust
The error of erosion monitoring avoids cable from burning out by wirelessly transmitting data, reduces cost, being capable of long-range real time on-line monitoring converter 8
The state of furnace lining 7.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. a kind of device of on-line real time monitoring converter lining erosion state, which is characterized in that described device includes: temperature sensing
Device, total terminal box, transacter and data processing equipment, the temperature sensor are embedded in converter lining, and temperature passes
Sensor is connect by compensating wire with total terminal box, and total terminal box is converted and is sent out to temperature sensor data, institute
It states transacter and receives the data that total terminal box is sent, the data processing equipment is connect with transacter, data
Processing unit is analyzed and processed data, shows the indices of converter lining.
2. a kind of device of on-line real time monitoring converter lining erosion state as described in claim 1, which is characterized in that described
Temperature sensor is wrapped with protection sleeve pipe, and temperature sensor is embedded in converter lining, the tip contact converter of temperature sensor
Interior bricking, is arranged arc buffering circle between converter shell and furnace lining, and temperature sensor passes through compensating wire and total terminal box
Connection, compensating wire outside are wrapped up by steel pipe, are protected.
3. a kind of device of on-line real time monitoring converter lining erosion state as described in claim 1, which is characterized in that described
Total terminal box is mounted on trunnion of converter region, and backing plate, installation on the outside of total terminal box are provided between total terminal box and converter shell
Protective shell offers compensating wire entrance on protective shell, digital analog converter and sender unit is provided in total terminal box, believes
Number emitter includes wireless launcher and wired transmission device, and the digital analog converter is led with temperature sensor by compensation
Line connection, the sender unit are connect with digital analog converter, and the data after conversion are sent to data by sender unit
Collection device.
4. a kind of device of on-line real time monitoring converter lining erosion state as described in claim 1, which is characterized in that described
Memory is provided in transacter, the data that transacter is collected are stored in memory.
5. a kind of device of on-line real time monitoring converter lining erosion state as described in claim 1, which is characterized in that described
Data processing equipment is connect with transacter, and data processing equipment is analyzed and processed data, and processing result passes through aobvious
Showing device is shown, and the data processing equipment is computer.
6. a kind of method of on-line real time monitoring converter lining erosion state, which is characterized in that the method are as follows:
Temperature sensor acquires the temperature information of converter lining, establishes indirect problem according to converter slag crust, furnace lining and casing temperature field
Mathematical model；
According to converter lining thickness of the slag crust corresponding under different temperatures, furnace lining residual thickness and corroding thickness to indirect problem mathematical modulo
Type carries out deep learning training；
After the completion of training, the temperature information typing indirect problem mathematical model that temperature sensor is acquired utilizes " steepest gradient calculation
Method " solves indirect problem mathematical model；
Furnace lining thickness of the slag crust, furnace lining residual thickness, corroding thickness are exported, casing temperature, converter thermal loss, steel scrap is calculated and melts
Change process and slag steel liquid level；
Display device shows analysis and processing result, and data processing equipment is diagnosed automatically according to converter lining corroding thickness, turns
Furnace lining thickness then issues warning information lower than given threshold, realizes the early warning of converter lining on-line real time monitoring.
7. a kind of method of on-line real time monitoring converter lining erosion state as claimed in claim 6, which is characterized in that described
After indirect problem mathematical model is established, the temperature of converter lining is acquired, utilizes what is acquired during laser thickness gauge and converter overhaul
The remaining thickness of furnace lining, thickness of the slag crust, corroding thickness, verification indirect problem mathematical model are trained study, realize according to Converter
Lining temperature predicts the remaining thickness of furnace lining, thickness of the slag crust, corroding thickness.
8. a kind of method of on-line real time monitoring converter lining erosion state as claimed in claim 6, which is characterized in that described
Steel scrap melts process and calculates, and melts mathematical model, the temperature field information of coupling slag crust, furnace lining and furnace shell, meter by establishing steel scrap
Influence of the steel scrap melting process to furnace lining inner boundary temperature is calculated, steel scrap is established and melts mathematical model and furnace lining inner boundary temperature
DNN algorithm calculates steel scrap using DNN algorithm according to the lining edge temperature measured and melts process.
9. a kind of method of on-line real time monitoring converter lining erosion state as claimed in claim 6, which is characterized in that described
Slag steel liquid level is calculated by iron water amount, steel scrap melted mass and slag making the dosage addition of addition.
10. a kind of method of on-line real time monitoring converter lining erosion state as claimed in claim 6, which is characterized in that institute
After stating indirect problem mathematical model output prediction furnace lining thickness of the slag crust, furnace lining residual thickness, corroding thickness, corroded by actual measurement converter
Thickness, thickness of the slag crust, furnace lining residual thickness, slag steel liquid level are calibrated and are corrected to indirect problem mathematical model.
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