CN203310766U - Device for testing melt and crystallization properties through double-wire method - Google Patents
Device for testing melt and crystallization properties through double-wire method Download PDFInfo
- Publication number
- CN203310766U CN203310766U CN2013204159709U CN201320415970U CN203310766U CN 203310766 U CN203310766 U CN 203310766U CN 2013204159709 U CN2013204159709 U CN 2013204159709U CN 201320415970 U CN201320415970 U CN 201320415970U CN 203310766 U CN203310766 U CN 203310766U
- Authority
- CN
- China
- Prior art keywords
- temperature
- furnace body
- heating furnace
- thermocouple
- wire
- 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.)
- Expired - Lifetime
Links
- 238000002425 crystallisation Methods 0.000 title claims abstract description 24
- 230000008025 crystallization Effects 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000002844 melting Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000009749 continuous casting Methods 0.000 abstract description 10
- 230000004907 flux Effects 0.000 abstract 1
- 239000002893 slag Substances 0.000 description 16
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000013078 crystal Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- -1 physics Substances 0.000 description 1
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
本实用新型提供了双丝法熔化和结晶性能测试装置，在加热炉体内设置两根热电偶丝，在两根热电偶丝之间设置待熔化的物料；在加热炉体上面设置摄像头，正对加热炉体，采集加热炉体内物料的图像；摄像头将采集的图像输入计算机处理装置内；每根热电偶丝经过控制器与电源连接，在控制器控制下通电发热；每根热电偶丝与测温装置连接，作为测温探头；测温装置将热电偶丝采集的温度信号输入以其连接的计算机处理装置内。本实用新型的测试装置，将两根热电偶丝分别独立测温和控温，可使放置在两根热电偶丝热接点之间的被测试样处在一个温度差下，模拟处在连铸结晶器壁和铸坯之间的温度场，实际观察连铸保护渣处在该温度场内的熔化、结晶等变化。
The utility model provides a double-wire melting and crystallization performance testing device. Two thermocouple wires are arranged in the heating furnace body, and materials to be melted are arranged between the two thermocouple wires; a camera is arranged on the heating furnace body, facing Heating the furnace body to collect images of materials in the heating furnace body; the camera inputs the collected images into the computer processing device; each thermocouple wire is connected to the power supply through the controller, and is energized and heated under the control of the controller; each thermocouple wire is connected to the measuring device The temperature measuring device is connected as a temperature measuring probe; the temperature measuring device inputs the temperature signal collected by the thermocouple wire into the computer processing device connected to it. The testing device of the utility model can independently measure and control the temperature of two thermocouple wires, so that the tested sample placed between the hot junctions of the two thermocouple wires can be placed under a temperature difference, simulating continuous casting The temperature field between the mold wall and the slab, and the actual observation of the melting and crystallization of the continuous casting mold flux in this temperature field.
Description
Technical field
The utility model relates to the fusing of related component in a kind of smelting iron and steel and the proving installation that crystal property is measured, especially double-thread method fusing and crystal property proving installation.
Background technology
In the smelting iron and steel industry, the material composition that blast-furnace slag, slag and continuous casting covering slag produce as steel smelting procedure, or to the protection component of adding in molten steel, physics, chemical property index that it can directly affect molten steel, directly determine the height of steel quality etc.; As, beginning temperature of fusion, molten temperature region, Tc and the percent crystallization in massecuite etc. of blast-furnace slag, slag and covering slag, be all important physical performance index, all has great significance for improving the quality of products, save the energy.
The control of continuous casting covering slag crystallization behavior is for reducing surface defect of bloom and guaranteeing that the direct motion of strand is significant.In continuous casting is produced; continuous casting covering slag is fused into slag under the high-temperature molten steel effect, infiltrate between crystallization wall and strand, owing between strand and crystallizer, there being larger temperature difference; slag meeting at night crystallize out after fusing needs to study the poor lower covering slag crystallization process of different temperature fields for this reason.
At present, Tc is measured and is the most often adopted differential thermal analysis, crystallization process and percent crystallization in massecuite are measured to normal employing monofilament method, but also there is following problem in said method:
1, can not simulate the temperature difference between crystallization wall and steel billet, measurement result and true environment there are differences;
2, can not measure different temperature fields poor under, the crystallization of slag specimen and heat transfer situation.
Summary of the invention
For above-mentioned deficiency of the prior art, fundamental purpose of the present utility model is to overcome prior art and can not the online observation material under different temperatures, melts, solidifies and the process of crystallization, especially can not simulate the deficiencies such as temperature difference between crystallization wall and steel billet in STEELMAKING PRODUCTION, a kind of double-thread method fusing and crystal property proving installation are provided.
The technical solution of the utility model is as follows: double-thread method fusing and crystal property proving installation, comprise heating furnace body, and it is characterized in that: two thermocouple wires are set in heating furnace body, material to be melted is set between two thermocouple wires; Camera is set on heating furnace body, over against heating furnace body, gathers the image of material in heating furnace body; In the image input computer processor unit that camera will gather, process and store; Every thermocouple wire is connected with power supply through controller, heating power under controller is controlled; Every thermocouple wire is connected with temperature measuring equipment, as temperature probe; Temperature measuring equipment is connected with computer processor unit, and the temperature signal that thermocouple wire gathers is inputted in computer processor unit.
Further feature is: a microscope is set, and microscope is over against the material in heating furnace body, and camera is arranged on microscopical back, over against microscope, gathers through microscope and amplifies the image after processing.
With respect to prior art, double-thread method fusing of the present utility model and crystal property proving installation have following beneficial effect:
1, the utility model adopts the double-thread method test, by two thermocouple wires independent thermometrics of difference and temperature control, can make to be placed on two tested sample between the thermocouple wire hot junction is under a temperature difference, simulation is in the temperature field between continuous casting crystallining wall and strand, the actual observation continuous casting covering slag is in the variations such as fusing in this temperature field, crystallization, for material performance research provides a kind of new means;
2, utilize image recognition technology, can calculate the crystallization area of measured object under different temperatures is poor;
3, the utility model is namely worked as heating element by traditional thermocouple wire and is worked as again temperature element, and, after utilizing microscope to amplify, by camera collection material melting and crystallization process image, realizes the overall process of online observation material melting and crystallization;
4, equipment power dissipation is low, testing efficiency is high, and the test result accuracy is higher.
The accompanying drawing explanation
Fig. 1 is the fusing of the utility model double-thread method and crystal property proving installation structural representation;
Fig. 2 is the utility model pick-up unit control structure schematic diagram;
Fig. 3 is the utility model device for detecting performance structural representation.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
The fusing of the utility model double-thread method and crystal property proving installation, as shown in Figure 1, 2, 3, comprise heating furnace body 1, and heating furnace body 1 is miniature furnace, and two thermocouple wires 2 are arranged in heating furnace body 1, adjusts the distance between it according to technological requirement; Material to be melted is set between two thermocouple wires 2; Camera 3 is set on heating furnace body 1, over against heating furnace body 1, gathers the image of heating furnace body 1 interior material; Perhaps, in camera 3 fronts, a microscope 4 is set, microscope 4 is over against the interior material of heating furnace body 1, and camera 3 is arranged on the back (coordinating with the eyepiece of microscope 4) of microscope 4, over against microscope 4, gathers the image amplified after processing through microscope 4; Camera 3 can, with capture card 6, in the image input computer processor unit 8 gathered, be processed and store.Every thermocouple wire 2 is connected with power supply through controller 5, heating power under controller is controlled; Simultaneously, every thermocouple wire 2 is as temperature probe, with temperature measuring equipment 7, be connected, temperature measuring equipment 7 is connected with computer processor unit 8, perhaps by controller 5, be connected with computer processor unit 8, the temperature signal that thermocouple wire 2 gathers is inputted in computer processor unit 8, and machine treating apparatus 8 obtains temperature parameter after calculating, processing as calculated.Controller 5 can adopt independent control mode, also can link with computer processor unit 8, is subjected to the control signal that computer processor unit 8 sends to produce action.
Material to be melted is arranged between two thermocouple wires, two thermocouple wires are not only when heating element (resistive heater) but also when temperature element (temperature probe), by control device, carry out temperature control and temperature signal collection, by the RS232 communication, pass to computer processor unit (host computer), host computer is by material to be melted in capture card and the camera collection heating furnace image along with the rising of temperature, or the image of collection after microscope amplifies, image can be amplified to a lot of times, if amplified 40-80 doubly; On the computer screen of host computer, demonstrate in real time image more clearly, and carry out Image Saving according to user's setting means, but by the image off-line analysis after preserving and calculating material percent crystallization in massecuite.Control device adopts intelligent control algorithm, and temperature-controlled precision is high.Thermocouple wire is as heating element, under control device is controlled, heating after energising, heat material to be melted, as blast-furnace slag, slag and continuous casting covering slag or other blast furnace burden, due to the fusing point of the thermocouple wire fusing point higher than material to be melted, therefore after being heated to melting temperature, material to be melted just starts fusing until all melt, and whole process can show intuitively; And by the control of control device, the stopped heating that can also cut off the power supply in time after material melting, make the material melted at cooling middle Step crystallization, can observe the image of its crystallization process.
In Fig. 2, the heating of the utility model thermocouple wire drives principle of work with thermometric
For the heating that makes thermocouple wire and the measurement of temperature, can carry out, two thermocouple wires are namely worked as again temperature element when heating element, can distinguish independent thermometric and temperature control.Except adopting control device and the operation circuit of prior art, the utility model provides specialized designs hardware driving circuit as shown in Figure 2, in circuit, use metal-oxide-semiconductor as power component, thermocouple wire energising heating when the MOS conducting, during the MOS cut-off, carry out temperature survey, controlled by the single-chip microcomputer generation pwm signal of control device.Because the thermocouple wire power-off time is shorter, from continuous meaning, heating is carried out simultaneously with measurement.
After outage, the temporary transient no power of this root thermocouple wire, do not produced heat, it just can be used as temperature probe, is connected with temperature measuring equipment, and the temperature signal of this thermocouple wire is transported to temperature measuring equipment.
The utility model, by traditional thermocouple wire, as platinum rhodium thermocouple silk etc., not only work as heating element but also work as temperature element, perhaps in turn when heating element or temperature element, and, after utilizing microscope to amplify, by camera collection material melting and crystallization process image, realize the overall process of online observation material melting and crystallization.The utility model is placed on tested sample between two thermocouple wire hot junctions, owing between two thermocouple wires, temperature difference being arranged, tested sample is under a temperature difference, and the temperature field between simulation continuous casting crystallining wall and strand, for material performance research provides a kind of new means.
In addition, the control system that the utility model relates to and software thereof, meet the basic functions such as heat control and temperature detection that add of the present utility model; Mainly comprise: 1) system slave computer software: based on the scm software design, mainly by intelligent control algorithm, carry out temperature control, temperature-controlled precision is high; Temperature signal is gathered and digital filtering; Receive the host computer instruction and the signals such as temperature are transferred to host computer, possessing in addition demonstration, parameter setting, the functions such as hand, automatic control, have good interoperability.
2) system upper computer software: based on the programming under Windows operating system, mainly test parameter is set, as the design temperature curve, picture catching mode etc.; Drawing of Curve; Check historical data etc., have good human-computer interaction interface.
It should be noted that, above embodiment is only in order to technical solutions of the utility model to be described but not the restriction technologies scheme, although the applicant has been described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are modified to the technical solution of the utility model or are equal to replacement, and do not break away from aim and the scope of the technical program, all should be encompassed in the middle of claim scope of the present utility model.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204159709U CN203310766U (en) | 2013-07-12 | 2013-07-12 | Device for testing melt and crystallization properties through double-wire method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204159709U CN203310766U (en) | 2013-07-12 | 2013-07-12 | Device for testing melt and crystallization properties through double-wire method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203310766U true CN203310766U (en) | 2013-11-27 |
Family
ID=49616968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204159709U Expired - Lifetime CN203310766U (en) | 2013-07-12 | 2013-07-12 | Device for testing melt and crystallization properties through double-wire method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203310766U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092406A (en) * | 2015-07-07 | 2015-11-25 | 中南大学 | Novel furnace slag crystallization process thermogravimetric test device and test method |
| CN110018195A (en) * | 2019-04-25 | 2019-07-16 | 中南大学 | A kind of method of nondestructive characterisation (NDC) covering slag slag film heat transfer property |
| CN111044563A (en) * | 2020-01-03 | 2020-04-21 | 重庆大学 | Method for rapidly testing heat transfer performance of high-temperature inorganic nonmetallic material based on hot wire method |
| CN112162002A (en) * | 2020-09-28 | 2021-01-01 | 昆明德源文化传播有限公司 | Enamel processing device, system and method for metal weaving |
-
2013
- 2013-07-12 CN CN2013204159709U patent/CN203310766U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092406A (en) * | 2015-07-07 | 2015-11-25 | 中南大学 | Novel furnace slag crystallization process thermogravimetric test device and test method |
| CN110018195A (en) * | 2019-04-25 | 2019-07-16 | 中南大学 | A kind of method of nondestructive characterisation (NDC) covering slag slag film heat transfer property |
| CN110018195B (en) * | 2019-04-25 | 2020-07-31 | 中南大学 | Method for nondestructively representing heat transfer performance of covering slag film |
| CN111044563A (en) * | 2020-01-03 | 2020-04-21 | 重庆大学 | Method for rapidly testing heat transfer performance of high-temperature inorganic nonmetallic material based on hot wire method |
| CN111044563B (en) * | 2020-01-03 | 2022-04-29 | 重庆大学 | A rapid test method for heat transfer performance of high temperature inorganic non-metallic materials based on hot wire method |
| CN112162002A (en) * | 2020-09-28 | 2021-01-01 | 昆明德源文化传播有限公司 | Enamel processing device, system and method for metal weaving |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203310766U (en) | Device for testing melt and crystallization properties through double-wire method | |
| CN103323483A (en) | Double-wire test method for melting and crystallization properties | |
| CN101153837A (en) | Dynamic testing method and system for wetting property | |
| CN102445464A (en) | Double-thermocouple testing device for crystallinity performance of continuous casting crystallizer covering slag | |
| CN104407007A (en) | Method for determining melting temperature interval and melting behavior of metallurgical slag | |
| CN102661966B (en) | Method and device for measuring linear shrinkage rate and thermal stress of metal solidification process | |
| CN104503510A (en) | Temperature synchronizing system and method used for metallurgic performance measuring device | |
| CN204807488U (en) | Cooling curve real -time supervision device of casting alloy fuse -element process of solidifying | |
| CN102879130A (en) | Continuous-casting casting powder comprehensive heat transfer heat flow testing method | |
| CN105092406A (en) | Novel furnace slag crystallization process thermogravimetric test device and test method | |
| CN103926014A (en) | Temperature measuring method and system for aluminum electrolysis primary crystal | |
| CN203365358U (en) | Experimental apparatus for adhering slag on blast furnace copper cooling stave | |
| CN201425582Y (en) | High magnetic field differential thermal analysis device | |
| CN101430292B (en) | Method for single metal droplet supercooling degree measurement by large cooling speed in situ fast thermal analysis | |
| CN201413028Y (en) | A staged temperature control muffle furnace | |
| CN106370695A (en) | Continuous casting mold flux film thermal resistance measuring device and method | |
| CN104133505B (en) | A kind of temperature control equipment for pulse current thinning metal solidification texture | |
| CN205120630U (en) | Metal coefficient of linear extensibility experimental system | |
| CN104501963A (en) | Furnace wall temperature monitoring device and method in melting process of fused magnesite | |
| CN203310767U (en) | Fusion and crystallization performance test device by monofilament method | |
| CN205982534U (en) | A check out test set for detecting high temperature resistance of chip | |
| CN207395914U (en) | Chamber type electric resistance furnace intelligence calibrating installation | |
| CN103344664A (en) | Melting property and crystallizing property test method by monofilament method | |
| CN202512078U (en) | Solidification analysis device for heavy casting | |
| CN207019485U (en) | A kind of temperature regulating device of new copper furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |