CN108262453A - The measuring device and application process of ladle liner temperature - Google Patents
The measuring device and application process of ladle liner temperature Download PDFInfo
- Publication number
- CN108262453A CN108262453A CN201810194398.5A CN201810194398A CN108262453A CN 108262453 A CN108262453 A CN 108262453A CN 201810194398 A CN201810194398 A CN 201810194398A CN 108262453 A CN108262453 A CN 108262453A
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- China
- Prior art keywords
- temperature
- liner
- ladle
- host computer
- processing unit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
- B22D2/006—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass for the temperature of the molten metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/02—Linings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of measuring devices and application process of ladle liner temperature, the fine copper plate of the present apparatus is set on ladle liner wall and is matched with the arcwall face of ladle liner, temperature element penetrates inner liner wall stomata against fine copper plate, the signal input part of the signal output end connection processing unit of temperature element, host computer are communicated by wired or wireless network with processing unit and connected.This method is detected the temperature of fine copper plate by temperature element, and processing unit acquires the temperature data of temperature element detection and is uploaded to host computer and is monitored；Ladle liner Three dimensional transient Heat Transfer Meter built in host computer calculates model and the residual thick prediction model of liner, analysis calculating is carried out according to the temperature change of liner, the residual thickness of liner of prediction is provided, when temperature is raised in restriction threshold values region, the residual thickness of liner is less than predicted value, host computer provides pre-warning signal.The present apparatus and application process monitor ladle running state, it is ensured that ladle normally produces in real time with face generation point detection key area temperature.
Description
Technical field
The present invention relates to a kind of measuring devices and application process of ladle liner temperature.
Background technology
Ladle is a kind of mobile elevated temperature vessel for containing molten steel, and ladle is molten steel, refractory material successively from inside to outside（Including
Working lining, permanent layer, insulating layer）And box hat.In use, erosion can be saturated when resistance to material and molten steel and slag contacts,
And it undergoes empty packet and connects circulation process, the thermal stress that during which temperature fluctuation is alternately produced such as molten steel, steel loading water, casting molten steel and can also make
It is damaged into refractory material.As elevated temperature vessel, the defects of any one position, can all influence the whole behaviour in service of ladle, go out
Existing defect must carry out offline reparation in time, otherwise will result in the infiltration of molten steel, serious to cause to wear packet, cause great peace
Full accident.At present, due to lacking effectively accurate monitoring data and decision means, in line with the principle of better safe than sorry, existing ladle
Condition judgement method is surveyed mostly using simple clad temperature point, and point surveys operation and generally surveys ladle not using infrared measurement of temperature mode point
With the clad temperature at position, and rule of thumb whether judgement ladle can be continuing with, and the clad temperature for putting survey cannot cover steel
The region of emphasis thermometric is needed on the inside of shell；Which leads to the offline reparation of ladle that part can be continuing with, so as to cause ladle
It is not used refractory material to the greatest extent, is caused to waste, is increased enterprise's production cost.Therefore, accurate measurements ladle state, determines fire proofed wood
The melting loss situation of material is to ensure ladle safety, energy-saving effective means.
Ladle should bear the erosive wear and slag corrosion of molten steel in use, be subjected to the heat of temperature change again
Stress impact.With the progress of smelting, ladle lining fireproof material is constantly deteriorated, can operation thickness also gradually it is thinning.When
During using to uneasy through thickness, such as refractory material is replaced in repair not in time, be may result in molten steel leakage, is gently then influenced process for making
Progress, it is heavy then burn ladle, cause great economic loss or even personnel casualty accidents occur.Therefore, exploitation is safe and reliable
Temperature measuring equipment, Real-time Feedback ladle state change simultaneously sends out early warning, is to ensure that ladle normally produces in time, avoids that safety occurs
The important means of accident.
Invention content
The technical problems to be solved by the invention are to provide a kind of measuring device and application process of ladle liner temperature, this
Device and application process overcome the defects of traditional ladle liner temperature survey, detect key area temperature with face generation point, in real time
Monitor ladle running state, it is ensured that ladle normally produces, and avoids that safety accident occurs.
In order to solve the above technical problems, the measuring device of ladle liner temperature of the present invention includes ladle liner, the ladle
Stomata is inside lined with, further includes fine copper plate, temperature element, processing unit and host computer, the fine copper plate is pacified by bolt, nut
It matches loaded on the ladle liner wall and with the arcwall face of ladle liner, the temperature element penetrates the stomata against described
Fine copper plate, the signal output end of the temperature element connect the signal input part of the processing unit, the host computer with it is described
Processing unit is communicated by wired or wireless network and connected.
Further, nothing is carried out by wireless transmitter module and wireless receiving module between the temperature element and processing unit
Line signal transmission connects.
Further, the temperature element is pt100 temperature sensors.
Further, the processing unit is PLC controller or microcontroller.
A kind of application process of above-mentioned measuring device includes the following steps：
Step 1: several fine copper plates to be installed on to the key area of ladle liner by bolt, nut, several temperature elements penetrate
The stomata of ladle liner detects the temperature of each fine copper plate；
Step 2: processing unit acquires the temperature data of each temperature element detection, and the real-time configuration of temperature data is uploaded to
Position machine is monitored；
Step 3: ladle liner Three dimensional transient Heat Transfer Meter built in host computer calculates model and the residual thick prediction model of liner, according to interior
The temperature change of lining calculates model by Three dimensional transient Heat Transfer Meter and the residual thick prediction model of liner carries out analysis calculating, provides prediction
The residual thickness of liner, limited in threshold values region when temperature is raised to, liner it is residual thick when being less than predicted value, host computer provides pre-warning signal.
Further, the key area of ladle liner includes slag lining, meets steel face and packet bottom.
Since the measuring device and application process of ladle liner temperature of the present invention employ above-mentioned technical proposal, i.e., the present apparatus is pure
Copper coin is installed on ladle liner wall and is matched with the arcwall face of ladle liner, and temperature element penetrates inner liner wall stomata against fine copper
Plate, the signal input part of the signal output end connection processing unit of temperature element, host computer pass through wired or nothing with processing unit
Line network communication connects.This method is by the temperature of temperature element detection fine copper plate, the temperature of processing unit acquisition temperature element detection
Degrees of data is simultaneously uploaded to host computer and is monitored；Ladle liner Three dimensional transient Heat Transfer Meter built in host computer calculates model and liner is residual
Thick prediction model carries out analysis calculating according to the temperature change of liner, provides the residual thickness of liner of prediction, when temperature is raised to restriction valve
Be worth in region, liner it is residual it is thick less than predicted value when, host computer provides pre-warning signal.The present apparatus and application process overcome traditional steel
The defects of ladle-lining temperature survey, with face generation point detection key area temperature, monitors ladle running state, it is ensured that ladle is just in real time
Often production avoids that safety accident occurs.
Description of the drawings
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the measuring device functional block diagram of ladle liner temperature of the present invention；
Fig. 2 is the setting schematic diagram of fine copper plate in the present apparatus.
Specific embodiment
As depicted in figs. 1 and 2, the measuring device of ladle liner temperature of the present invention includes ladle liner 1, the steel to embodiment
Ladle-lining 1 is equipped with stomata 11, further includes fine copper plate 2, temperature element 3, processing unit 4 and host computer 5, the fine copper plate 2 passes through
Bolt 21, nut 22 are installed on 1 wall of ladle liner and are matched with the arcwall face of ladle liner 1, and the temperature element 3 is worn
Enter the stomata 11 against the fine copper plate 2, the signal output end of the temperature element 3 connects the signal of the processing unit 4
Input terminal, the host computer 5 are communicated by wired or wireless network with the processing unit 4 and connected.
Preferably, pass through wireless transmitter module 31 and wireless receiving module 41 between the temperature element 3 and processing unit 4
Carry out wireless signal transmission connection.
Preferably, the temperature element 3 is pt100 temperature sensors.
Preferably, the processing unit 4 is PLC controller 42 or microcontroller 43.
A kind of application process of above-mentioned measuring device includes the following steps：
Step 1: several fine copper plates to be installed on to the key area of ladle liner by bolt, nut, several temperature elements penetrate
The stomata of ladle liner detects the temperature of each fine copper plate；
Step 2: processing unit acquires the temperature data of each temperature element detection, and the real-time configuration of temperature data is uploaded to
Position machine is monitored；
Step 3: ladle liner Three dimensional transient Heat Transfer Meter built in host computer calculates model and the residual thick prediction model of liner, according to interior
The temperature change of lining calculates model by Three dimensional transient Heat Transfer Meter and the residual thick prediction model of liner carries out analysis calculating, provides prediction
The residual thickness of liner, limited in threshold values region when temperature is raised to, liner it is residual thick when being less than predicted value, host computer provides pre-warning signal.
Preferably, the key area of ladle liner includes slag lining, meets steel face and packet bottom.
The present apparatus is on the basis of to ladle erosion mechanism and practical melting loss rule fully study, in ladle liner
Several fine copper plates and temperature element are arranged in each key area, form the netted real-time collecting temperature data of covering, and pass through wireless communication
Number transmission is sent to host computer.The man-machine interface of host computer shows the real time temperature of tested ladle, and utilizes blackbody radiation theory
Working lining Temperature Distribution and erosion condition in ladle are built, to realize the optimization of ladle real-time state monitoring, molten steel accurate temperature controlling fortune
Row, intelligent maintaining provide basic basis.
The present apparatus and application process are put to react ladle liner emphasis area using the good heat conductivility of fine copper plate with face generation
The temperature in domain, what slag lining, molten steel in ladle liner washed away meet steel face and packet bottom etc. pay close attention to position and use M10 in advance
On the inside of nut spot welding to box hat；After sticking refractory material again, the fine copper plate of suitable size is cut, steel is fixed by bolts to after trepanning
On shell and it is adjacent to refractory material.Then, temperature element Pt100 temperature sensors are mounted on prefabricated thermometric by ladle stomata
On point, be conducive to be convenient for changing the temperature element of failure, ensureing the temperature element of all temperature measuring points can keep always
Effectively.Temperature element connect with wireless transmitter module and by dry cell power supply, and wireless transmitter module is set in data acquisition box
And hot box is placed in, it is fixed in metal plate lattice hot box being installed under ladle trunnion；Wireless transmitter module can be set on behaviour
Make room or live work station point, receive the temperature signal of wireless transmitter module transmission, and pass through microcontroller or PLC controller by temperature
The real-time configuration of data uploads to host computer and is monitored.
Claims (6)
1. a kind of measuring device of ladle liner temperature, including ladle liner, the ladle liner is equipped with stomata, and feature exists
In：Fine copper plate, temperature element, processing unit and host computer are further included, the fine copper plate is installed on the steel by bolt, nut
It ladle-lining wall and is matched with the arcwall face of ladle liner, the temperature element penetrates the stomata against the fine copper plate, institute
The signal output end for stating temperature element connects the signal input part of the processing unit, and the host computer leads to the processing unit
Cross wired or wireless network communication connection.
2. the measuring device of ladle liner temperature according to claim 1, it is characterised in that：The temperature element and processing
Wireless signal transmission is carried out between unit with wireless receiving module by wireless transmitter module to connect.
3. the measuring device of ladle liner temperature according to claim 1 or 2, it is characterised in that：The temperature element is
Pt100 temperature sensors.
4. the measuring device of ladle liner temperature according to claim 1 or 2, it is characterised in that：The processing unit is
PLC controller or microcontroller.
5. the application process of any one of a kind of Claims 1-4 measuring device, it is characterised in that this method includes following step
Suddenly：
Step 1: several fine copper plates to be installed on to the key area of ladle liner by bolt, nut, several temperature elements penetrate
The stomata of ladle liner detects the temperature of each fine copper plate；
Step 2: processing unit acquires the temperature data of each temperature element detection, and the real-time configuration of temperature data is uploaded to
Position machine is monitored；
Step 3: ladle liner Three dimensional transient Heat Transfer Meter built in host computer calculates model and the residual thick prediction model of liner, according to interior
The temperature change of lining calculates model by Three dimensional transient Heat Transfer Meter and the residual thick prediction model of liner carries out analysis calculating, provides prediction
The residual thickness of liner, limited in threshold values region when temperature is raised to, liner it is residual thick when being less than predicted value, host computer provides pre-warning signal.
6. application process according to claim 5, it is characterised in that：The key area of ladle liner include slag lining,
Meet steel face and packet bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194398.5A CN108262453A (en) | 2018-03-09 | 2018-03-09 | The measuring device and application process of ladle liner temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194398.5A CN108262453A (en) | 2018-03-09 | 2018-03-09 | The measuring device and application process of ladle liner temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108262453A true CN108262453A (en) | 2018-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810194398.5A Pending CN108262453A (en) | 2018-03-09 | 2018-03-09 | The measuring device and application process of ladle liner temperature |
Country Status (1)
| Country | Link |
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| CN (1) | CN108262453A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081992A (en) * | 2019-05-23 | 2019-08-02 | 上海鼎经自动化科技股份有限公司 | High-temperature steel ladle-lining data acquisition and transmission method with wireless communication function |
| CN110954241A (en) * | 2019-12-09 | 2020-04-03 | 武汉理工大学 | Real-time monitoring device for lining state of steel ladle |
| CN115430816A (en) * | 2022-09-23 | 2022-12-06 | 山东钢铁股份有限公司 | Tundish temperature measuring method |
-
2018
- 2018-03-09 CN CN201810194398.5A patent/CN108262453A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081992A (en) * | 2019-05-23 | 2019-08-02 | 上海鼎经自动化科技股份有限公司 | High-temperature steel ladle-lining data acquisition and transmission method with wireless communication function |
| CN110954241A (en) * | 2019-12-09 | 2020-04-03 | 武汉理工大学 | Real-time monitoring device for lining state of steel ladle |
| CN110954241B (en) * | 2019-12-09 | 2021-05-18 | 武汉理工大学 | Real-time monitoring device for lining state of steel ladle |
| CN115430816A (en) * | 2022-09-23 | 2022-12-06 | 山东钢铁股份有限公司 | Tundish temperature measuring method |
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