CN203323708U - Device measuring thickness of furnace lining - Google Patents
Device measuring thickness of furnace lining Download PDFInfo
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- CN203323708U CN203323708U CN2013202287064U CN201320228706U CN203323708U CN 203323708 U CN203323708 U CN 203323708U CN 2013202287064 U CN2013202287064 U CN 2013202287064U CN 201320228706 U CN201320228706 U CN 201320228706U CN 203323708 U CN203323708 U CN 203323708U
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Abstract
The utility model relates to converter lining thickness measurement in the field of metallurgical steel making, and aims at providing a device measuring the thickness of furnace lining. The device comprises a laser range finder, an industrial control computer, a display, a processing control unit, a power supply module and a movable cabinet, wherein the laser range finder, the industrial control computer, the display, the processing control unit and the power supply module can be all fixed inside the movable cabinet; and the laser range finder is respectively connected with the processing control unit and the industrial control computer, the processing control unit and the display are respectively connected with the industrial control computer, and the power supply module is respectively connected with the laser range finder, the industrial control computer, the display and the processing control unit. The device of the utility model effectively improves the measuring precision and speed, automatically and intelligently realizes measurement needless of human intervention, and measurement results can be displayed in a graphical manner so that a user can see the results more visually and conveniently.
Description
Technical field
The utility model is the measurement about metallurgical field of steel-making converter lining thickness, particularly a kind of kiln lining thickness measuring device.
Background technology
Pneumatic steelmaking is the main method for making steel in the world today, accounts for 60% of world steel total production.Converter lining is in steelmaking process, directly with molten steel, slag and furnace gas, contact, constantly be subject to physics, machinery and chemical erosion action, when furnace lining is less than safe thickness, heat can be delivered to the metal furnace shell of converter fast from the molten steel of more than 1,600 degree, can cause wearing the steel accident when serious.The maintenance of furnace lining is repaired not only can extending furnace lining life, and balanced furnace lining damage, improve the operating rate of converter, reduces production costs, and is conducive to balanced tissue and produces, and promotes the benign cycle of producing.Both at home and abroad steel mill has generally adopted slag splashing and fettling, and spattering slag and fettling opportunity of GPRS the best, need to grasp in time shape and the thickness of furnace lining.Therefore, the testing of lining thickness has extremely important effect to STEELMAKING PRODUCTION.
Along with the maximization of metallurgical furnace and the progress of metallurgical technology, detection and the monitoring technology of metallurgical furnace furnace lining and fault thereof are paid attention to day by day.For many years, the site operation personnel thirsts for just seeing the scaling loss situation of metallurgical furnace furnace lining in operation room always, accurately grasp the in-service ruuning situation of fire resistive material in stove, thereby regulate in time the operation of stove, select suitable fettling and heavily build opportunity, effectively extend the life-span of stove, constantly explore and reduce the operating procedure that furnace lining deteriorates thus; The furnace lining that scientific and technical personnel adapt from different way explorations and execute-in-place deteriorate monitoring, detection method with fault.Some advanced detection methods of having arisen at the historic moment thus, as the multipoint thermocouple method, trigger response method, electrical pulse method, infrared temperature camera method etc., but have certain limitation and deficiency, exactly the erosion condition of on-line continuous monitoring furnace lining.
Current existing detection method can be summarized as two large classes, i.e. nondestructive determination and diminish detection method.For sake of convenience, at this, be further subdivided into: manual mode mechanical detection method, plug-in type point measurement method, non-insertion contact measurement method and the large class of non-contact detection method four.
1) manual mode mechanical detection method: when this method is shutdown maintenance, with push rod, stretch in stove, the length stretched into by the measurement push rod obtains the residual thickness of this place's furnace lining, although adopt this method by the measurement data of accumulation, can measure the passing process that body of heater corrodes, but this measuring method has significant limitation: each measurement must be carried out when blowing out, can not on-line continuous monitor; Each periodical repair time of stove is short, can only select several points to survey, and can not obtain the erosion condition of a certain full stove of the moment; Therefore, this measuring method afterwards, neither also science not comprehensively.
2) plug-in type point measurement method: the method is to bury sensing element underground along the direction of vertical furnace lining in furnace lining, and the front end of element is concordant with the furnace lining inside surface, by lead-in wire, element is connected with measuring system.Along with the carrying out of production run, imbed sensing element in furnace lining and synchronize the also exporting change signal that deteriorates with furnace lining, reflect the furnace lining changing condition.Can realize the on-line measurement of check point place lining thickness.Mainly contain thermocouple method, thermopair triggering response and electric-resistivity method etc.The plug-in type mensuration belongs to and diminishes detection method, is that metallurgical production is undesirable, also has on the other hand limitation, can not be comprehensively, accurate on-line continuous monitoring lining thickness changing condition.
3) non-insertion contact type measurement method: these class methods are commonly used radioisotope method (RI method), light pulse signal determination method, capacitance chromatographic method etc.The measuring accuracy that they have is poor, and institute's quantity of information that obtains is on the low side, and certain hysteresis quality is arranged, and some investments are huge, and the maintenance and operation level requires high.Wherein representative capacitance chromatographic method is the electrical capacitance tomography of the middle and later periods eighties 20th century development, its principle, for utilizing the capacitor with multiple electrode plates sensor array that is arranged on the furnace lining outside surface, changes and detects lining erosion state by the dielectric parameter between pole plate.But, due to logistics impact in the furnace lining of dynamic change and stove, the dielectric parameter between pole plate changes and is difficult to characterize the amount of deteriorating, and still must in advance pole plate be imbedded between furnace lining and furnace shell.
4) non-contact detection method: these class methods belong to nondestructive determination.Non-Destructive Testing is that a research is not destroying or do not damaging under the prerequisite of detected object, formulates and estimates material inside or appearance physical and mechanical properties, and comprising the comprehensive application technology science of all kinds of defects and other technologies parameter.The lossless detection method that oneself has according to statistics nearly more than 70 is planted, and in existing Dynamic Non-Destruction Measurement, the energy of nearly all form is all once for determining the inside character of structure, as ray detection, electromagnetic detection, Ultrasonic Detection and infrared detection etc.In principle, these methods are all at first by probe measurement, to go out the response that defect encourages to external world, re-use suitable method and make discriminance analysis.
The means of traditional NDT and NDE mainly contain: ultrasonic, ray, eddy current, magnetic, the large class of infiltration five.But in use they can be subject to the restriction of some factor, as the requirement of instrument to testing environment, can't arrive Site Detection; Testee is larger, and instrument can't be measured; Detection time is very long, and interpretation of result waits very slowly.Non-contact detection method for metallurgical furnace (kiln) mainly contains ultrasound wave and infrared diagnostics method etc.There is the scholar to use for reference the CT technology and pour the successful Application in spy in medical science and geology, carried out the blast furnace CT method research detected for situation in stove.Utilize the CT method can obtain in real time in blast furnace and smelt furnace charge velocity of sound field picture in certain xsect of reaction zone, thereby recognize radial distribution and the circle distribution of furnace charge, observe the axial symmetry of burden distribution; During if there is dross, can estimate position and the size of dross, also can understand the lining wear situation of dross place xsect.Yet due to particular surroundingss such as the many dirt in metallurgical furnace, high temperature, smog, and the error of acoustic measurement is larger, therefore be difficult to accurately detect the state that deteriorates of furnace lining.The middle of last century, there is the scholar to explore the situations such as position and size of deteriorating that the application infrared detection method detects metallurgy and chemical furnace (kiln) equipment fire resistive material, its principle is based on the feature that furnace lining deteriorates and causes the body of heater surface temperature field to change, and determines the state that deteriorates of furnace lining by the infrared chart of analyzing surface temperature field.But from the practical application present situation, still belong at present etiologic diagnosis, just from the infrared chart analysis, judge whether to exist fault (or defect) and carry out failure sorted, can't make Quantitative evaluation to attributes such as the geometric configuration of fault (or defect), sizes, and this etiologic diagnosis often depends on experience.
The method of the Laser Measuring lining thickness come into vogue gradually recent years also belongs to Non-Destructive Testing, this technology arrives tested furnace lining surface by the emission pulse laser bundle, and the laser that reception is returned is measured its flight time, thereby calculate the distance of instrument and impact point, by coordinates transformation method, finally draw the thickness information in the tested zone of furnace lining again.The method is harmless non-cpntact measurement, and on production and safety, without impact, measuring accuracy is high, and speed is fast.But current this method application is also immature, exists measuring position to fix, little to closing in type furnace lining container measurement scope, and mostly is manual spot measurement, measures the shortcomings such as efficiency is not high, systems bulky.
The utility model content
Fundamental purpose of the present utility model is to overcome deficiency of the prior art, and a kind of efficient lining thickness measurement mechanism is provided.For solving the problems of the technologies described above, solution of the present utility model is:
A kind of kiln lining thickness measuring device is provided, comprise laser ranging system, also comprise industrial computer, display, processing and control element (PCE), supply module and removable rack, laser ranging system, industrial computer, display, processing and control element (PCE), supply module all are fixed on removable interior of equipment cabinet; The connection of each module is: laser ranging system is connected with processing and control element (PCE), industrial computer respectively, processing and control element (PCE) is connected with industrial computer respectively with display, and supply module is connected with laser ranging system, industrial computer, display, processing and control element (PCE) respectively;
Described laser ranging system arrives tested furnace lining surface for the emission measurement laser beam, and show that the distance and bearing information of measured point passes to industrial computer; On described industrial computer, be equipped with for carrying out the Survey Software module of data processing and calculating; Described processing and control element (PCE) is for laser ranging system and mutual data transmission and the command interaction of industrial computer.
As further improvement, on described laser ranging system, position control device is housed, for controlling the Laser emission angle of laser ranging system, and possess the function with industrial computer Survey Software module serial communication.
As further improvement, described position control device comprises drive unit, gearing, stationary installation; The preferred stepper motor of described drive unit or servomotor, preferably 1.8 ° or 0.9 ° of motor step elongation; The preferred gear of described gearing, between the preferred 1:3～1:6 of gearing ratio of gear, module preferably is not more than 1; Described stationary installation is for fixed drive device and gearing.
As further improvement, the preferred total powerstation of described laser ranging system or three-dimensional laser scanner.
As further improvement, described supply module preferred lithium battery.
As further improvement, described removable rack comprises aluminum alloy framework, aluminum alloy casing, mobile runner, shock attenuation device, hand-push apparatus and rises stationary installation; Described mobile runner comprises two universal caster wheels and two blade wheels, the preferred rack front end in universal caster wheel installation site, preferred rack rear end, blade wheel installation site, preferably 3～6 cun of universal caster wheels, preferably 8～12 cun of blade wheels; Described shock attenuation device stroke is 10～30mm preferably; Described hand-push apparatus comprises holding rod and the fixing support of holding rod, the preferred stainless steel pipe of holding rod; The described stationary installation of rising is arranged between two universal caster wheels, for fixing removable rack, rises preferably 10～30mm of the upper and lower stroke of stationary installation.
Compared with prior art, the beneficial effects of the utility model are:
1, removable rack adopts aluminum alloy framework, and the overall weight decrease, be controlled in 70KG, the work of more making its presence or power felt;
2, position control device adopts high precision small step elongation stepper motor or servomotor and gear drive, has effectively improved laser ranging system measuring accuracy high (± 5mm) and measuring speed (1.5s/ point);
2, automated intelligent is measured, without manual intervention;
3, patterned measurement result Presentation Function, it is more intuitively convenient that the user uses;
4, high reliability and low power consumption industrial computer, the stable operation in the rugged surroundings of high temperature, many dusts of assurance equipment;
5, single measurement report generation and historical trend change function, are convenient to the user and fully understand the furnace lining state.
The accompanying drawing explanation
Fig. 1 is apparatus structure schematic diagram of the present utility model.
Fig. 2 is apparatus structure schematic diagram of the present utility model.
Fig. 3 is the laser ranging system structural representation in the utility model.
Fig. 4 is the laser ranging system sectional view in the utility model.
Reference numeral in figure is: 1 laser ranging system; 2 industrial computers; 3 displays; 4 processing and control element (PCE)s; 5 supply modules; 6 removable racks; 11 position control devices; 61 aluminum alloy frameworks; 62 aluminum alloy casings; 63 move runner; 64 shock attenuation devices; 65 hand-push apparatus; 66 rise stationary installation; 111 drive units; 112 gearings; 113 stationary installations; 631 universal caster wheels; 632 blade wheels; 651 holding rods; 652 supports.
Embodiment
At first it should be noted that, the utility model relates to the application of industrial control technology.In implementation procedure of the present utility model, can relate to the application of a plurality of software function modules.The applicant thinks, as reading over application documents, accurate understanding is of the present utility model realize principle and utility model purpose after, in the situation that, in conjunction with existing known technology, those skilled in the art can use the software programming technical ability of its grasp to realize the utility model fully.The aforementioned software functional module comprises but is not limited to: laser ranging system 1, processing and control element (PCE) 4, supply module 5 and Survey Software module etc., and this category of all genus that all the utility model application documents are mentioned, the applicant will not enumerate.
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
The utility model overall technological scheme is: by emission, find range laser beam to tested furnace lining surface, and the laser that reception is returned is measured its flight time and phase place variation, thereby calculate the distance of instrument and impact point, by the three dimensions conversion method, finally draw the thickness information in the tested zone of furnace lining again.In addition, the utility model also will be realized automatic Quick Measurement and good human-computer interaction function, needs the additional position control device 11 that can control Laser emission angle and feedback angle, and relevant measurement control and display device.
Kiln lining thickness measuring device as shown in Figure 1 and Figure 2 comprises laser ranging system 1, industrial computer 2, display 3, processing and control element (PCE) 4, supply module 5 and removable rack 6, and laser ranging system 1, industrial computer 2, display 3, processing and control element (PCE) 4, supply module 5 all are fixed on removable rack 6 inside.The connection of each module is: laser ranging system 1 is connected with processing and control element (PCE) 4, laser ranging system 1, processing and control element (PCE) 4 and display 3 are connected with industrial computer 2 respectively, and supply module 5 is connected with laser ranging system 1, industrial computer 2, display 3, processing and control element (PCE) 4 respectively.
Be equipped with on industrial computer 2 for carrying out the Survey Software module of data processing and calculating, can be circumscribed with the input equipments such as mouse, keyboard, and show the finishing man-machine interaction function in conjunction with the graphical measurement result of Survey Software module on display 3 of industrial computer 2.
Processing and control element (PCE) 4 connects laser ranging system 1 and industrial computer 2, and completes the mutual data transmission of these functional modules and command interaction.
Removable rack 6 comprises aluminum alloy framework 61, aluminum alloy casing 62, mobile runner 63, shock attenuation device 64, hand-push apparatus 65 and rises stationary installation 66.Mobile runner 63 comprises two universal caster wheels 631 and two blade wheels 632, the front end of the universal caster wheel 631 preferred removable racks 6 in installation site, the rear end of the blade wheel 632 preferred removable racks 6 in installation site, preferably 3～6 cun of universal caster wheels 631, preferably 8～12 cun of blade wheels 632; Shock attenuation device 64 strokes are 10～30mm preferably; Hand-push apparatus 65 comprises holding rod 651 and the fixing support 652 of holding rod 651, the preferred stainless steel pipe of holding rod 651; Rise stationary installation 66 and be arranged between two universal caster wheels 631, for fixing removable rack 6, rise stationary installation preferred 10～30mm of stroke Shang Xia 66.Removable rack 6 is for installing carrier as functional module, facilitate whole kiln lining thickness measuring device to be moved freely and stop, realized the integration of each functional component and the unification of appearance packaging, met kiln lining thickness measuring device needs of site of deployment and measure a plurality of converter linings, a requirement that the converter lining needs divide a plurality of measuring positions to be measured.In order to adapt to on-the-spot complicated rugged surroundings, removable rack 6 possesses the functions such as damping shock-absorbing, braking, thermal insulation and dust-proof protection simultaneously.
Laser ranging system 1 as shown in Figure 3, Figure 4 is the core of whole device, arrive tested furnace lining surface for the emission measurement laser beam, and the distance and bearing information that draws measured point passes to industrial computer 2, laser ranging system 1 commonly used is total powerstation or three-dimensional laser scanner.Position control device 11 is housed on laser ranging system 1, comprises drive unit 111, gearing 112, stationary installation 113, for control and the feedback of the Laser emission angle of laser ranging system 1.The preferred stepper motor of described drive unit 111 or servomotor, preferably 1.8 ° or 0.9 ° of motor step elongation; The preferred gear of described gearing 112, between the preferred 1:3～1:6 of gearing 112 ratio of gear, module preferably is not more than 1; Described stationary installation 113 is for fixed drive device 111 and gearing 112.
While utilizing the utility model to carry out kiln lining thickness measuring, concrete method step is:
A, realize the self-align of kiln lining thickness measuring device: be provided with at least 3 gauge points that position is fixing around tested furnace lining, after each kiln lining thickness measuring setting position moves, by the measurement to these fixation mark points, realize positioning oneself of kiln lining thickness measuring device relatively tested furnace lining locus;
B, furnace lining zone and the position of selecting this to measure, and carry out the position conversion of relative measuring thickness device: choose the furnace lining zone of needs measurement and the spacing size of measurement point on the Survey Software module interface, the Survey Software module is calculated furnace lining selected area and measuring thickness device spatial relation automatically, obtain the angular position information of tested zone under the measuring thickness device space coordinates, wherein the size of the selection of furnace lining measured zone position and measurement point spacing is all can be to user-defined;
C, according to the position transitional information, control the variation that takes measurement of an angle of laser ranging system 1, realize the fast automatic measurement of selected furnace lining measured zone;
D, the data message returned according to laser ranging system 1 are processed, and obtain tested regional furnace lining thickness information.
Repeating step B, step C and step D successively, until complete the measurement of all measuring points, and can generate single measurement report and historical trend variation by the Survey Software module, be convenient to the user and fully understand the furnace lining state.
Finally, it is also to be noted that, what more than enumerate is only a specific embodiment of the present utility model.Obviously, the utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model, all should think protection domain of the present utility model.
Claims (6)
1. a kiln lining thickness measuring device, comprise laser ranging system, it is characterized in that, also comprise industrial computer, display, processing and control element (PCE), supply module and removable rack, laser ranging system, industrial computer, display, processing and control element (PCE), supply module all are fixed on removable interior of equipment cabinet; The connection of each module is: laser ranging system is connected with processing and control element (PCE), industrial computer respectively, processing and control element (PCE) is connected with industrial computer respectively with display, and supply module is connected with laser ranging system, industrial computer, display, processing and control element (PCE) respectively;
Described laser ranging system arrives tested furnace lining surface for the emission measurement laser beam, and show that the distance and bearing information of measured point passes to industrial computer; Described industrial computer is for carrying out data processing and calculating; Described processing and control element (PCE) is for laser ranging system and mutual data transmission and the command interaction of industrial computer.
2. kiln lining thickness measuring device according to claim 1, is characterized in that, on described laser ranging system, position control device is housed, and for controlling the Laser emission angle of laser ranging system, and possesses the function with the industrial computer serial communication.
3. kiln lining thickness measuring device according to claim 2, is characterized in that, described position control device comprises drive unit, gearing, stationary installation; Described drive unit adopts stepper motor or servomotor, and the motor step elongation is 1.8 ° or 0.9 °; Described gearing adopts gear, and the gearing ratio of gear is between 1:3～1:6, and module is not more than 1; Described stationary installation is for fixed drive device and gearing.
4. kiln lining thickness measuring device according to claim 3, is characterized in that, described laser ranging system adopts total powerstation or three-dimensional laser scanner.
5. kiln lining thickness measuring device according to claim 1, is characterized in that, described supply module adopts lithium battery.
6. according to the described kiln lining thickness measuring device of claim 1 to 5 any one, it is characterized in that, described removable rack comprises aluminum alloy framework, aluminum alloy casing, mobile runner, shock attenuation device, hand-push apparatus and rises stationary installation; Described mobile runner comprises two universal caster wheels and two blade wheels, and universal caster wheel is arranged on the rack front end, and blade wheel is arranged on the rack rear end, and universal caster wheel adopts the universal caster wheel of 3～6 cun, and blade wheel adopts the blade wheel of 8～12 cun; Described shock attenuation device stroke is 10～30mm; Described hand-push apparatus comprises holding rod and the fixing support of holding rod, and holding rod adopts stainless steel pipe; The described stationary installation of rising is arranged between two universal caster wheels, and for fixing removable rack, rising the upper and lower stroke of stationary installation is 10～30mm.
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| CN2013202287064U CN203323708U (en) | 2013-04-26 | 2013-04-26 | Device measuring thickness of furnace lining |
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| CN2013202287064U CN203323708U (en) | 2013-04-26 | 2013-04-26 | Device measuring thickness of furnace lining |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907511A (en) * | 2015-06-19 | 2015-09-16 | 武汉钢铁(集团)公司 | Detection device for hot-metal ladle |
| CN105066933A (en) * | 2015-07-28 | 2015-11-18 | 上海莱满工业自动化装备有限公司 | Ladle refractory layer thickness measuring method based on 3D scanner |
| CN105371772A (en) * | 2015-10-30 | 2016-03-02 | 东莞市嘉腾仪器仪表有限公司 | 3D element height detector and detection steps thereof |
| CN107502700A (en) * | 2017-09-03 | 2017-12-22 | 杭州谱诚泰迪实业有限公司 | A kind of protection device of fixed furnace lining thickness measurement with laser scanner |
| CN108387274A (en) * | 2018-05-18 | 2018-08-10 | 杭州谱诚泰迪实业有限公司 | The device and method that ladle packet condition measures is realized by 3-D scanning |
| CN108534656A (en) * | 2018-05-30 | 2018-09-14 | 华北理工大学 | A kind of convertor lining thickness radar intelligent checking system |
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2013
- 2013-04-26 CN CN2013202287064U patent/CN203323708U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907511A (en) * | 2015-06-19 | 2015-09-16 | 武汉钢铁(集团)公司 | Detection device for hot-metal ladle |
| CN104907511B (en) * | 2015-06-19 | 2017-01-04 | 武汉钢铁(集团)公司 | A kind of detection device of hot-metal bottle |
| CN105066933A (en) * | 2015-07-28 | 2015-11-18 | 上海莱满工业自动化装备有限公司 | Ladle refractory layer thickness measuring method based on 3D scanner |
| CN105066933B (en) * | 2015-07-28 | 2017-08-25 | 上海莱满工业自动化装备有限公司 | A kind of ladle flame retardant coating thickness measuring method based on spatial digitizer |
| CN105371772A (en) * | 2015-10-30 | 2016-03-02 | 东莞市嘉腾仪器仪表有限公司 | 3D element height detector and detection steps thereof |
| CN107502700A (en) * | 2017-09-03 | 2017-12-22 | 杭州谱诚泰迪实业有限公司 | A kind of protection device of fixed furnace lining thickness measurement with laser scanner |
| CN108387274A (en) * | 2018-05-18 | 2018-08-10 | 杭州谱诚泰迪实业有限公司 | The device and method that ladle packet condition measures is realized by 3-D scanning |
| CN108387274B (en) * | 2018-05-18 | 2024-03-19 | 杭州谱诚泰迪实业有限公司 | Device and method for realizing measurement of ladle Bao Kuang through three-dimensional scanning |
| CN108534656A (en) * | 2018-05-30 | 2018-09-14 | 华北理工大学 | A kind of convertor lining thickness radar intelligent checking system |
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Granted publication date: 20131204 |