CN106868242A - It is a kind of that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric - Google Patents
It is a kind of that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric Download PDFInfo
- Publication number
- CN106868242A CN106868242A CN201710097635.1A CN201710097635A CN106868242A CN 106868242 A CN106868242 A CN 106868242A CN 201710097635 A CN201710097635 A CN 201710097635A CN 106868242 A CN106868242 A CN 106868242A
- Authority
- CN
- China
- Prior art keywords
- temperature
- furnace shell
- meticulous
- furnace
- erosion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2300/00—Process aspects
- C21B2300/04—Modeling of the process, e.g. for control purposes; CII
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A kind of intellectual monitoring, the early warning system of the blast furnace crucible corrosion based on casing temperature, belong to blast furnace monitoring field.The system utilizes furnace shell thermometric, the detection datas such as water temperature difference, foundation includes protective layer, furnace lining, filler, cooling wall body, water cooling tube, furnace shell is in interior complete conservation of energy system, three-dimensional fine modeling is carried out according to actual size, realize that temperature field becomes more meticulous calculating, and combination temperature field computation, inverse problem calculation goes out cupola well erosion condition, realize to corroding, tie the dynamic analog thicker than journey, and with intuitively image and data display Complete three-dimensional temperature field, cooling water flow, furnace shell face temperature field and cooling wall temperature, realize casing temperature on-line early warning function and hearth erosion monitoring function, realize the hearth erosion online monitoring alarm based on furnace shell thermometric.This system provides a kind of new method for monitoring lining erosion state, help to instruct industrial production, realize prolonging campaign.
Description
Technical field
The invention belongs to blast furnace monitoring field, a kind of hearth erosion simulation monitoring based on furnace shell thermometric is in particular, provided
Method.The present invention realizes the Temperature calculating under different cupola well residual thickness, with furnace shell by setting up three-dimensional fine model
Temperature inverse problem calculation goes out furnace shell corroding thickness, realizes to corroding, tying the dynamic analog thicker than journey, it is proposed that one kind is on blast furnace
The on-line monitoring of cupola well furnace bottom erosion condition and the new method of early warning.
Background technology
The current method to blast furnace crucibe monitoring is divided into the direct method of measurement and the indirect method of measurement.In above-mentioned measuring method,
The influence accurate factor of data has at 2 points：The accuracy of data source and the accuracy of model.
The direct method of measurement is including temperature measure, electric-resistivity method, capacitance method etc..The long-lived monitoring of cupola well furnace bottom is generally using pre-
Thermocouple is buried, liner erosion condition is understood by galvanic couple temperature indirectly.This method is more directly perceived, but it has the disadvantage that thermocouple exists
Often occur damaging in blast furnace production process, also with the presence of the problem that blast furnace thermocouple layout points are few, covering is not complete, cause data
Inaccurate or data missings.
The indirect method of measurement includes hot-fluid detection method, Impact echo.Hot-fluid detection method is the temperature by measuring water-carrying capacity
Differ to release lining thickness.It is outside furnace shell when Impact echo is by carrying out blast furnace lining thickness measuring using Impact echo
Carry out non-destructive testing, without embedded thermoelectricity occasionally sensor, and need not blowing out, quick measurement can be carried out to each position at any time.
Hot-fluid detection method needs substantial amounts of equipment, and Impact echo its greatest problem is if there is larger crackle or seam inside furnace wall
During gap, stress wave may be made to pass through causes erroneous judgement.
In the current Mathematical Modeling set up, major part all simplifies the heat transfer model of blast furnace hearth and bottom, with actual shape
State difference is larger, lacks the consideration that becomes more meticulous to blast furnace practical production status.
The content of the invention
The purpose of the present invention be from casing temperature, based on set up three-dimensional fine model, set up casing temperature with
A kind of complete computation simulation system between lining wear thickness, it is proposed that new method of monitoring lining wear state.By building
Vertical three-dimensional fine model, lining erosion state is calculated using casing temperature.
The technical scheme is that：Foundation include protective layer, furnace lining, filler, cool down wall body, water-cooling channel, inserts,
Furnace shell in interior complete energy system, from furnace shell to stove in carry out the physical modeling that becomes more meticulous according to actual size, gather cupola well
Valid data are screened by casing temperature data, set up static " direct problem " calculation model for temperature field with " indirect problem " temperature
Degree field computation model, calculates the casing temperature early warning value under the residual thickness of different brackets, and cylindrical coordinate is set up according to energy conservation principle
Under control differential equation, carried out using the method for finite element discrete, obtain the discrete side of Unsteady Temperature Field under cylindrical coordinate
Journey formula, the calculation model for temperature field set up under the conditions of dynamic corrodes knot thickness, and system sets up hearth erosion monitoring system.
It is a kind of that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric, it is characterised in that：The system bag
Include the MBM that becomes more meticulous, data acquisition module, casing temperature early warning value computing module, hearth erosion computing module and client
Module；The MBM that wherein becomes more meticulous is responsible for taking into full account energy transfer process, sets up whole energy system, casing temperature early warning
Value computing module is responsible for calculating rational casing temperature, and monitors casing temperature state, and hearth erosion computing module is responsible for being based on
Casing temperature monitors hearth erosion state, and client modules are responsible in the form of images showing result of calculation in the client
Come.
1. become more meticulous MBM
According to the design structure of blast furnace, complete energy transmission system is set up, include protective layer, furnace lining to furnace shell from stove, fill out
Material, cooling wall body, water-cooling channel, inserts, furnace shell carry out the physical modeling that becomes more meticulous.
2. casing temperature early warning value computing module
Based on the physical model that becomes more meticulous, the computation model of combination temperature realizes stove to casing temperature early warning value computing module
Shell temperature pre-warning value is calculated, and method is as follows：
（1）Based on the physical model that becomes more meticulous set up, static " direct problem " calculation model for temperature field is set up, realize different cupola wells
Temperature calculating under residual thickness；
（2）" indirect problem " calculation model for temperature field is set up, the casing temperature early warning value under the residual thickness of different brackets is calculated, furnace shell is realized
Temperature online warning function.
3. hearth erosion computing module
Hearth erosion computing module is carried out based on become more meticulous physical model and casing temperature early warning value computing module to model
Net boundary is divided, combination temperature field computation model, realizes releasing lining erosion state by the way that casing temperature is counter, and method is as follows：
（1）Based on thermal conduction study, the Unsteady Temperature Field discrete equation formula under cylindrical coordinate is obtained；
（2）According to relevant border condition, mesh generation is automatically carried out to whole model；
（3）Based on Temperature calculating, based on the calculation model for temperature field that casing temperature is set up under the conditions of dynamic corrodes knot thickness.
4. client modules
The present invention sets up blast furnace crucibe and builds three by laying bricks or stones according to above-mentioned casing temperature early warning value computing module, hearth erosion computing module
Dimension module, using VC development platforms, three-dimensionalreconstruction blast furnace crucibe region, while setting up the mapping model of furnace shell and color, generates
The three-dimensional distribution map of casing temperature.Function interface includes：Casing temperature dynamic three-dimensional display, temperature trend curve, erosion knot are thick
Situation, Complete three-dimensional temperature field, cooling water flow, furnace shell face temperature field, cooling wall temperature field, history playback, etc. function son
Interface.
The beneficial effects of the invention are as follows：The hearth erosion monitoring system based on furnace shell thermometric is set up, can be in blast fumance
During, it is that blast fumance is carried for thermocouple break, the not congruent in particular cases monitoring hearth erosion situation of thermocouple covering
For accurate, reliable operation foundation.The system operatio low cost, strong applicability, person understands hearth erosion to contribute to blast furnace operating
State, it is ensured that production safety, successfully carry out, realizes prolonging campaign.
Brief description of the drawings
Fig. 1 is the functional structure chart of present system.
Specific embodiment
Arranged according to blast furnace crucibe region cooling wall, formulate rational furnace shell point for measuring temperature arrangement, gather casing temperature
Data, set up ORACLE tables of data data storages, and the data to gathering are filtered and stored, and are carried out based on blast furnace crucibe structure
Become more meticulous modeling, and combines thermal conduction study, carries out the dynamic analog of the calculating of casing temperature early warning value and hearth erosion knot thicker than journey, most
Result of calculation is shown by client in the form of images eventually, the monitoring to erosion condition in stove is realized.
1. casing temperature data acquisition
Distribution and concrete condition according to corresponding blast furnace crucibe cooling wall, formulate optimal furnace shell thermometric arrangement.Research and design
Optimum data acquisition scheme, design data sheet structure, field name etc., set up ORACLE tables of data.
2. casing temperature data acquisition filtering
Data acquisition function, the temperature data that will be measured is stored in database.Data to gathering are filtered, to significant figure
According to being screened, good data basis are provided for model is calculated.
3. the physical model that becomes more meticulous is set up
According to the design structure of blast furnace, the model that becomes more meticulous is set up, comprised the following steps that：
Step1 combines related BF Design drawing, and furnace shell thermometric arrangement, becomes more meticulous and sets up blast furnace hearth and bottom physics mould
Type（Dimensional structure equal proportion）, and classifying rationally reference section；
Step2 is set up including the complete energy including protective layer, furnace lining, filler, cooling wall body, water-cooling channel, inserts, furnace shell
Amount system, for every piece cooling wall region, from furnace shell to stove in carry out the physical modeling that becomes more meticulous according to actual size.
4. casing temperature early warning value is calculated
Based on the physical model having built up, set up static " direct problem " temperature field and become more meticulous computation model and " indirect problem "
Calculation model for temperature field, realizes the Temperature calculating under different cupola well thickness, and the casing temperature calculated under the residual thickness of different brackets is pre-
Alert value, realizes casing temperature on-line early warning function.
5. the hearth erosion based on furnace shell thermometric is calculated
Based on the physical model and calculation model for temperature field that have built up, lining wear thickness, tool are released by the way that casing temperature is counter
Body realizes that step is as follows：
Step1 based on thermal conduction study, according to the control differential equation that energy conservation principle is set up under cylindrical coordinate, using limited
The method of unit carries out discrete, obtains the Unsteady Temperature Field discrete equation formula under cylindrical coordinate.
Step2 automatically carries out grid according to related blast furnace hearth and bottom boundary condition and masonry construction to whole model
Divide, obtain the parameter of each node, there is provided to computing module, prepared to calculate temperature field；
Step3 is set up dynamic and is corroded the calculation model for temperature field tied under the conditions of thickness based on Temperature calculating, and system is set up
Hearth erosion monitoring system.
6. client functionality interface
Set up blast furnace crucibe and build threedimensional model by laying bricks or stones, using VC development platforms, three-dimensionalreconstruction blast furnace crucibe region, while setting up furnace shell
With the mapping model of color, the three-dimensional distribution map of casing temperature is generated.Function interface includes：Casing temperature dynamic three-dimensional display,
Temperature trend curve, erosion knot shape thickness condition, Complete three-dimensional temperature field, cooling water flow, furnace shell face temperature field, cooling wall temperature
The function sub-interface such as field, history playback.
Claims (5)
- It is 1. a kind of that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric, it is characterised in that：The system includes Become more meticulous MBM, data acquisition module, casing temperature early warning value computing module, hearth erosion computing module and client mould Block；The MBM that wherein becomes more meticulous is responsible for taking into full account energy transfer process, sets up whole energy system, casing temperature early warning value Computing module is responsible for calculating rational casing temperature, and monitors casing temperature state, and hearth erosion computing module is responsible for being based on stove Shell temperature monitoring hearth erosion state, client modules are responsible in the form of images showing result of calculation in the client Come.
- 2. it is according to claim 1 that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric, its feature It is：The MBM that becomes more meticulous is set up including including protective layer, furnace lining, filler, cooling wall body, water-cooling channel, inserts, furnace shell Complete energy system, for every piece cooling wall region, from furnace shell to stove in carry out three-dimensional fine thing according to actual size Reason modeling obtains the physical model that becomes more meticulous.
- 3. it is according to claim 1 that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric, its feature It is：Casing temperature early warning value computing module implements step based on become more meticulous MBM and data acquisition module It is as follows：Become more meticulous physical models of the Step1 based on the MBM foundation that becomes more meticulous, sets up static " direct problem " temperature field fine Change computation model, realize the Temperature calculating under different cupola well residual thickness；Step2 sets up " indirect problem " calculation model for temperature field, calculates the casing temperature early warning value under the residual thickness of different brackets, realizes stove Shell temperature online warning function.
- 4. it is according to claim 1 that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric, its feature It is：Become more meticulous physical model and casing temperature early warning value meter of the hearth erosion computing module based on the MBM foundation that becomes more meticulous Module is calculated, step is implemented as follows：Step1 is based on the model that becomes more meticulous having built up, and based on thermal conduction study, cylindrical coordinate is set up according to energy conservation principle Under control differential equation, carried out using the method for finite element discrete, obtain the discrete side of Unsteady Temperature Field under cylindrical coordinate Journey formula；Step2 carries out mesh generation automatically according to cupola well furnace bottom boundary condition and masonry construction to whole model, obtains each section The parameter of point, prepares to calculate temperature field；Step3 is set up dynamic and is corroded the temperature tied under the conditions of thickness based on the calculating of casing temperature early warning value and Temperature calculating Field computation model, and system sets up hearth erosion monitoring system.
- 5. it is according to claim 1 that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric, its feature It is：Client modules generate erosion topography three-dimensional distribution map, by hearth erosion by three-dimensionalreconstruction blast furnace crucibe masonry construction The result of calculating is intuitively shown in the form of 3-D view, including Complete three-dimensional temperature field, cooling water flow, furnace shell face temperature Degree field and cooling wall temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097635.1A CN106868242A (en) | 2017-02-22 | 2017-02-22 | It is a kind of that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097635.1A CN106868242A (en) | 2017-02-22 | 2017-02-22 | It is a kind of that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106868242A true CN106868242A (en) | 2017-06-20 |
Family
ID=59167733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710097635.1A Pending CN106868242A (en) | 2017-02-22 | 2017-02-22 | It is a kind of that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106868242A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262453A (en) * | 2018-03-09 | 2018-07-10 | 上海宝钢工业技术服务有限公司 | The measuring device and application process of ladle liner temperature |
| CN110453034A (en) * | 2019-08-26 | 2019-11-15 | 北京北科神州亿立冶金材料研究所 | A kind of device and method of on-line real time monitoring converter lining erosion state |
| CN110527769A (en) * | 2018-07-18 | 2019-12-03 | 广东韶钢松山股份有限公司 | A kind of residual thick judgment method of blast furnace crucibe carbon brick |
| CN111705174A (en) * | 2020-06-28 | 2020-09-25 | 武汉钢铁有限公司 | Method for detecting blast furnace wall junction thickness |
| CN111763832A (en) * | 2020-08-11 | 2020-10-13 | 郑州机械研究所有限公司 | Metal material solidification structure regulation and control method based on furnace shell temperature online monitoring |
| CN111854668A (en) * | 2020-08-25 | 2020-10-30 | 中冶赛迪工程技术股份有限公司 | Blast furnace lining thickness calculation device and method based on distributed optical fiber temperature measurement |
| CN112362687A (en) * | 2020-10-27 | 2021-02-12 | 山东莱钢永锋钢铁有限公司 | Monitoring and early warning system for corrosion of main channel refractory |
| CN113111549A (en) * | 2021-03-31 | 2021-07-13 | 北京首钢股份有限公司 | Method and system for modeling erosion model after pouring and repairing blast furnace hearth |
| CN113514014A (en) * | 2021-04-15 | 2021-10-19 | 鞍钢股份有限公司 | Device and method for measuring thickness of blast furnace wall by correcting stress wave method |
| CN114657302A (en) * | 2022-03-04 | 2022-06-24 | 宁波市计量测试研究院(宁波新材料检验检测中心) | Blast furnace temperature on-line measuring system |
| CN115386672A (en) * | 2022-09-09 | 2022-11-25 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Early warning method for leakage of mixer furnace |
| CN117540583A (en) * | 2024-01-09 | 2024-02-09 | 东北大学 | Blast furnace bottom lining erosion morphology identification method based on water temperature difference of water cooling pipe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457268A (en) * | 2009-01-07 | 2009-06-17 | 北京首钢自动化信息技术有限公司 | Monitoring, prediction and alarm system for blast furnace hearth and bottom |
| CN101886152A (en) * | 2010-06-02 | 2010-11-17 | 河北省首钢迁安钢铁有限责任公司 | Three-dimensional unstable state monitoring and abnormity diagnosis and maintenance system of blast furnace hearth |
-
2017
- 2017-02-22 CN CN201710097635.1A patent/CN106868242A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457268A (en) * | 2009-01-07 | 2009-06-17 | 北京首钢自动化信息技术有限公司 | Monitoring, prediction and alarm system for blast furnace hearth and bottom |
| CN101886152A (en) * | 2010-06-02 | 2010-11-17 | 河北省首钢迁安钢铁有限责任公司 | Three-dimensional unstable state monitoring and abnormity diagnosis and maintenance system of blast furnace hearth |
Non-Patent Citations (1)
| Title |
|---|
| 郑坤灿 等: "基于传热反问题的高炉炉衬侵蚀厚度的数值模拟方法研究", 《冶金能源》 * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262453A (en) * | 2018-03-09 | 2018-07-10 | 上海宝钢工业技术服务有限公司 | The measuring device and application process of ladle liner temperature |
| CN110527769A (en) * | 2018-07-18 | 2019-12-03 | 广东韶钢松山股份有限公司 | A kind of residual thick judgment method of blast furnace crucibe carbon brick |
| CN110527769B (en) * | 2018-07-18 | 2021-04-30 | 广东韶钢松山股份有限公司 | Method for judging residual thickness of carbon brick in blast furnace hearth |
| CN110453034A (en) * | 2019-08-26 | 2019-11-15 | 北京北科神州亿立冶金材料研究所 | A kind of device and method of on-line real time monitoring converter lining erosion state |
| CN111705174B (en) * | 2020-06-28 | 2022-02-22 | 武汉钢铁有限公司 | Method for detecting blast furnace wall junction thickness |
| CN111705174A (en) * | 2020-06-28 | 2020-09-25 | 武汉钢铁有限公司 | Method for detecting blast furnace wall junction thickness |
| CN111763832A (en) * | 2020-08-11 | 2020-10-13 | 郑州机械研究所有限公司 | Metal material solidification structure regulation and control method based on furnace shell temperature online monitoring |
| CN111763832B (en) * | 2020-08-11 | 2022-05-24 | 郑州机械研究所有限公司 | Metal material solidification structure regulation and control method based on furnace shell temperature online monitoring |
| CN111854668A (en) * | 2020-08-25 | 2020-10-30 | 中冶赛迪工程技术股份有限公司 | Blast furnace lining thickness calculation device and method based on distributed optical fiber temperature measurement |
| CN112362687A (en) * | 2020-10-27 | 2021-02-12 | 山东莱钢永锋钢铁有限公司 | Monitoring and early warning system for corrosion of main channel refractory |
| CN113111549A (en) * | 2021-03-31 | 2021-07-13 | 北京首钢股份有限公司 | Method and system for modeling erosion model after pouring and repairing blast furnace hearth |
| CN113111549B (en) * | 2021-03-31 | 2024-02-27 | 北京首钢股份有限公司 | Erosion model modeling method and modeling system for casting repaired blast furnace hearth |
| CN113514014A (en) * | 2021-04-15 | 2021-10-19 | 鞍钢股份有限公司 | Device and method for measuring thickness of blast furnace wall by correcting stress wave method |
| CN113514014B (en) * | 2021-04-15 | 2023-03-17 | 鞍钢股份有限公司 | Device and method for measuring thickness of blast furnace wall by correcting stress wave method |
| CN114657302A (en) * | 2022-03-04 | 2022-06-24 | 宁波市计量测试研究院(宁波新材料检验检测中心) | Blast furnace temperature on-line measuring system |
| CN115386672A (en) * | 2022-09-09 | 2022-11-25 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Early warning method for leakage of mixer furnace |
| CN117540583A (en) * | 2024-01-09 | 2024-02-09 | 东北大学 | Blast furnace bottom lining erosion morphology identification method based on water temperature difference of water cooling pipe |
| CN117540583B (en) * | 2024-01-09 | 2024-03-22 | 东北大学 | Blast furnace bottom lining erosion morphology identification method based on water temperature difference of water cooling pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106868242A (en) | It is a kind of that the intelligent monitor system of hearth erosion situation is monitored based on furnace shell thermometric | |
| CN104807975B (en) | A kind of talus side slope freeze-thaw cycle effect deformation physical model test device and test method | |
| CN102979307B (en) | A kind of Temperature-controllcrack crack prevention construction method for concrete structure | |
| CN101457268B (en) | Monitoring, prediction and alarm system for blast furnace hearth and bottom | |
| CN108517384B (en) | A kind of monitoring method of blast furnace crucibe side wall | |
| CN103866061A (en) | Method for monitoring erosion deviation of blast furnace hearth | |
| CN109929955A (en) | A kind of detection method of blast furnace crucible corrosion situation | |
| CN101275829A (en) | Method for measuring blast furnace lining corroding thickness | |
| CN104404187B (en) | A kind of Wall of Blast Furnace thickness of the slag crust monitoring system and method | |
| CN101886152A (en) | Three-dimensional unstable state monitoring and abnormity diagnosis and maintenance system of blast furnace hearth | |
| CN205562346U (en) | Soil moisture infiltrates parameter measurement device | |
| CN104439142B (en) | A kind of for detecting Mold liquid level and the method for covering slag liquid slag layer thickness | |
| CN104133052B (en) | A kind of Temperature Controlling of Mass Concrete effect overall process evaluation method | |
| CN106202757A (en) | The numerical value of a kind of Con casting ladle space radiation heat flux distribution determines method | |
| Li et al. | Heat hazard control in excavation engineering: Numerical simulation of heat transfer characteristics of high temperature tunnel with movable thermal insulation layer | |
| CN103322960B (en) | A kind of ring formation of rotary kiln layer thickness detection method and device | |
| CN103088176B (en) | Method for detecting air gap on a blast furnace shell | |
| CN108317994A (en) | A method of it is monitored for underground pipeline settlement and foundation pit deformation | |
| CN110260995A (en) | The temperature collection system and its temp measuring method in place are repaired for thermal desorption in situ | |
| CN104819993B (en) | A kind of cooling water pipe tube wall heat exchange coefficient test device and method of testing | |
| CN104611483A (en) | Furnace temperature on-line detection method based on thermal load of cooling wall and thickness measuring of furnace lining | |
| EP3870922B1 (en) | Method for monitoring the wear of a refractory lining of a blast furnace and computer program implementing such method | |
| CN115482650A (en) | Concrete pouring auxiliary system based on BIM | |
| CN115074471B (en) | Online intelligent slag iron runner management and control method, device, system and medium | |
| CN104613905B (en) | Displacement monitoring device and use method thereof for three-dimensional similar simulation material simulation test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170620 |
|
| WD01 | Invention patent application deemed withdrawn after publication |