CN209541938U - A kind of continuous casting billet surface temperature measurement on-line device - Google Patents
A kind of continuous casting billet surface temperature measurement on-line device Download PDFInfo
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- CN209541938U CN209541938U CN201920398400.0U CN201920398400U CN209541938U CN 209541938 U CN209541938 U CN 209541938U CN 201920398400 U CN201920398400 U CN 201920398400U CN 209541938 U CN209541938 U CN 209541938U
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Abstract
The utility model relates to continuous casting temperature measurement on-line technical field, especially a kind of continuous casting billet surface temperature measurement on-line device.Including Electromagnetic excitation device, thermometric nail trigger device, contact temperature-measuring system and data acquisition device；Electromagnetic excitation device includes movable magnet, fixed electromagnet and magnetic cylinder, and thermometric nail trigger device includes firing pin and propellant powder, and contact temperature-measuring system includes that temperature thermocouple and thermometric are followed closely, and data acquisition device includes temperature transmitter and temperature sampler；Fixed electromagnet has magnetism after being powered, and movable magnet and firing pin is pushed to bump against, and firing pin ignites propellant powder, and thermometric nail is emitted, and after thermometric nail injects slab, temperature transmitter sends temperature signal, is received by temperature sampler；When thermometric, thermometric nail runs to continuous casting terminal as slab is exported from crystallizer, and the temperature data that temperature thermocouple obtains constantly is sent to temperature sampler, obtains out casting blank surface temperature situation of change after crystallizer, provides data for optimizing of the second cooling water research and supports.
Description
Technical field
The utility model relates to continuous casting temperature measurement on-line technical field, especially a kind of continuous casting billet surface temperature measurement on-line device.
Background technique
In continuous casting process, casting blank surface temperature variation has inseparable relationship with the quality of slab.Continuous casting billet it is interior
The defects of portion's crackle, face crack, bulge and center segregation, is all related with casting blank surface temperature variation.Continuous casting billet is sent out in secondary cooling zone
Give birth to slab and cooling heat transfer water, casting billet surface radiation heat transfer and backing roll conduction heat exchange, when by backing roll, surface temperature
Degree can decline rapidly, then rise rapidly, two states are alternately.Violent temperature change can make slab deform.Together
When, excessive surface temperature variation is unfavorable for being uniformly distributed for element in steel, causes to be segregated.
There are two ways to manufacturing enterprise is monitored using casting blank surface temperature at present: (1) with infrared thermometer to slab
Surface carries out thermometric, records data.(2) casting blank surface temperature under the process conditions is simulated with expert system, thus
Approximation obtains casting blank surface temperature situation of change.But the casting blank surface temperature data that (1) method measures are dispersed very much, factory's ring
Border is limited, and can only obtain the casting blank surface temperature of a part or a height.As slab when measuring casting blank surface temperature
Scale on surface and secondary cooling zone water flow, the influence for radiating air-flow, cause biggish temperature measurement error.(2) method can be using calculation
Method simulates the temperature of casting billet surface, approximate can obtain the temperature of crystallizer and radiation area, but for the surface temperature of secondary cooling zone
Degree still can not determine.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of continuous casting billet surface temperature measurement on-line devices.It can keep away
Exempt from influence of the secondary cooling zone water mist to casting billet surface thermometric, allow temperature measuring equipment online, accurately measure casting blank surface temperature.
To achieve the above object, the utility model is implemented with the following technical solutions:
A kind of continuous casting billet surface temperature measurement on-line device, including Electromagnetic excitation device, thermometric follow closely trigger device, contact temperature-measuring
System and data acquisition device；The Electromagnetic excitation device includes movable magnet, fixed electromagnet and magnetic cylinder, thermometric nail triggering
Device includes firing pin and propellant powder, and contact temperature-measuring system includes that temperature thermocouple and thermometric are followed closely, and data acquisition device includes temperature
Spend transmitter and temperature sampler；Fixed electromagnet has magnetism after being powered, and pushes movable magnet and firing pin to bump against, firing pin ignites
Propellant powder, thermometric nail are emitted, and after thermometric nail injects slab, temperature transmitter sends temperature signal, are received by temperature sampler；
When thermometric, thermometric nail runs to continuous casting terminal as slab is exported from crystallizer, and the temperature data that temperature thermocouple obtains is continuous
It is sent to temperature sampler, to obtain out casting blank surface temperature situation of change after crystallizer, provides number for optimizing of the second cooling water research
According to support.
The Electromagnetic excitation device includes movable magnet, magnet support seat, fixed electromagnet, magnetic cylinder and power outlet；Electricity
Supply socket is fixed on one end of magnetic cylinder, and fixed electromagnet is fixed in magnetic cylinder, and magnet support seat is fixed in magnetic cylinder, movable magnet
It is placed on magnet support seat.
The thermometric nail trigger device includes detachable transmitting tube, firing pin, temperature measurer support base, spring, safety plug and hair
Penetrate medicine；Detachable transmitting tube is made of transmission tube with two sections of transmitting tube, and firing pin, temperature measurer support base and spring are mounted on transmission tube
Interior, propellant powder and safety plug are mounted in transmitting tube, and detachable transmitting tube is connected with magnetic cylinder.
The transmitting tube head is equipped with arc tube head, and arc radius is adapted to round billet radius.
The propellant powder of the common model of S series can be selected in the propellant powder.
The contact temperature-measuring system includes temperature thermocouple, thermometric nail, deceleration floor and filler；Temperature thermocouple
Tail end insertion thermometric nail tail portion be connected with temperature transmitter, be pierced by from deceleration floor head, finally filled with filler.
Thermometric nail tail portion is arc, and temperature thermocouple head is located at the front end of deceleration floor and surveys after thermometric nail projects
Galvanic couple is warmed with one nail nipping of deceleration floor in casting billet surface, slab runs to continuous casting together to be terminated, and thermometric purpose is reached.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model uses the thermometric mode of contact temperature-measuring, has cleared away the blind area of secondary cooling zone temperature monitoring, is close to
The temperature thermocouple influence that can weaken, eliminate moisture film to temperature on continuous casting billet surface.Be no longer limited to temperature thermocouple and
Expert system simulation.
(2) curved head transmitting tube can be applicable in the slab of different section, increase device availability；Transmission tube can be fixed, and increase
Feeder apparatus stability, and device does not have to artificially help at the scene, increases safety.
(3) conventional propellant of S series can be selected in propellant powder, reduces the trouble of propellant powder customization.
Detailed description of the invention
Fig. 1 is the utility model schematic perspective view；
Fig. 2 is the utility model structural representation front sectional view；
Fig. 3 is the utility model electromagnetism percussion lock structural schematic diagram；
Fig. 4 is the utility model electromagnetism percussion lock current direction and magnetic direction schematic diagram；
Fig. 5 is that the utility model thermometric follows closely trigger device structural schematic diagram；
Fig. 6 is the utility model contact temperature-measuring system structure diagram；
Fig. 7 is the utility model transmitting tube structural schematic diagram；
Fig. 8 is that the utility model thermometric follows closely schematic perspective view；
Fig. 9 is the utility model data acquisition device schematic diagram.
In figure: 1- Electromagnetic excitation device 2- thermometric follows closely trigger device 3- contact temperature-measuring system 4- data acquisition device
5- slab 11- movable magnet 12- magnet support seat 13- fixed electromagnet 14- magnetic cylinder 15- power outlet 21- is detachable
Transmitting tube 22- firing pin 23- temperature measurer support base 24- spring 25- safety plug 26- arc tube head 27- connection bolt 28- is passed
Dynamic pipe 29- transmitting tube 31- temperature thermocouple 32- thermometric follows closely 33- deceleration floor 41- temperature transmitter 42- temperature acquisition
Device
Specific embodiment
Embodiment:
Specific embodiment of the present utility model is further illustrated with reference to the accompanying drawing:
As shown in figs 1-9, a kind of continuous casting billet surface temperature measurement on-line device, including Electromagnetic excitation device 1, thermometric nail triggering dress
Set 2, contact temperature-measuring system 3 and data acquisition device 4.Electromagnetic excitation device 1 include movable magnet 11, fixed electromagnet 13 with
And magnetic cylinder 14, it includes firing pin 22 and propellant powder 23 that thermometric, which follows closely trigger device 2, and contact temperature-measuring system 3 includes temperature thermocouple 31
With thermometric nail 32, data acquisition device 4 includes temperature transmitter 41 and temperature sampler 42.Fixed electromagnet 13 has after being powered
Magnetism pushes movable magnet 11 and firing pin 22 to bump against, and firing pin 22 ignites propellant powder, and thermometric nail 32 is emitted, and side temperature nail 32 is injected
After slab 5, temperature transmitter 41 sends temperature signal, is received by temperature sampler 42；When thermometric, thermometric nail 32 is with slab 5
Casting terminal is run to from crystallizer outlet, the temperature data that temperature thermocouple 31 obtains constantly is sent to temperature sampler 42, from
And casting blank surface temperature situation of change after crystallizer is obtained out, data, which are provided, for optimizing of the second cooling water research supports.
As shown in Figure 3, Figure 4, the Electromagnetic excitation device includes movable magnet 11, magnet support seat 12, fixed electromagnet
13, magnetic cylinder 14 and power outlet 15.Power outlet 15 is fixed on one end of magnetic cylinder 14, and fixed electromagnet 13 is built in magnetic cylinder 14
It is interior.There is a magnet support seat 12 above permanent magnet in magnetic cylinder 14, prevents permanent magnet and electromagnet when power-off from bumping against and damaging electricity
Magnetic percussion lock.
As shown in figure 5, thermometric nail trigger device 2 includes detachable transmitting tube 21, firing pin 22, temperature measurer support base 23, bullet
Spring 24, safety plug 25 and propellant powder.Detachable transmitting tube 21 selects heat-resisting steel material production, and detachable transmitting tube 21 is by transmission tube
28 are mounted in transmission tube 28 with 29 two sections of transmitting tube compositions, firing pin 22, temperature measurer support base 23 and spring 24, propellant powder and guarantor
Dangerous pin 25 is mounted in transmitting tube 29, and detachable transmitting tube 21 is connected with magnetic cylinder 14.
As shown in fig. 7,29 head of transmitting tube is equipped with arc tube head 26, arc radius is adapted to round billet radius, can be subtracted
Influence of the weak secondary cooling water mist to thermometric, and curved head transmitting tube 29 can be replaced, and different section slab is adapted to.
The propellant powder of the common model of S series can be selected in the propellant powder.According to pressure formula F=P/S, theorem of kinetic energy EK=
mv2The minimum initial velocity that/2 and momentum theorem p=mv show that the nail of transmitting can pierce through green shell is 24.93m/s, and common S1
Propellant powder initial velocity is about 28m/s, and therefore, which can be used conventional propellant.
As shown in fig. 6, contact temperature-measuring system includes temperature thermocouple 31, thermometric nail 32, deceleration floor 33 and filling
Object.The tail end insertion thermometric of temperature thermocouple 31 follows closely 32 tail portions and is connected with temperature transmitter 41, is pierced by from 33 head of deceleration floor,
Finally filled with filler.
As shown in figure 8, it is arc that thermometric, which follows closely 32 tail portions, 31 head of temperature thermocouple is located at the front end of deceleration floor 33, surveys
After temperature nail 32 projects, temperature thermocouple 31, on 5 surface of slab, runs to continuous casting with slab 5 with 33 1 nail nipping of deceleration floor
Terminate, reaches thermometric purpose.
It is arc that thermometric, which follows closely 32 tail portions, for slowing down propellant powder to the vibration inside nail, 31 head of temperature thermocouple position
In the front end of deceleration floor 33, after thermometric nail 32 projects, temperature thermocouple 31 with 33 1 nail nipping of deceleration floor in casting billet surface, with
Slab runs to continuous casting together to be terminated, and thermometric purpose is reached.Temperature signal is input to temperature value hair by the conducting wire inside nail
In emitter 41, temperature data is sent out by it.A thermometric nail 32 is only needed to can be obtained casting billet surface temperature in continuous casting process
Spend situation of change.Reducing material consumption reduces continuous casting cost.
The course of work of the utility model includes the following steps:
Step 1: assembling electromagnetism percussion lock 1 first, movable magnet 11 is put into the magnetic cylinder 14 of built-in fixed electromagnet
In, the assembling of electromagnetism percussion lock 1 finishes.Fixed electromagnet 13 is to be built in magnetic cylinder 4 in advance, does not have to installation, and when energization can produce
Raw N pole field (see Fig. 4).The pole movable magnet 11N is lowered into the magnet fulcrum bearing 12 in magnetic cylinder 14, when in order to be powered
Movable magnet 11 can be released smoothly.
Step 2: transmission tube 28 is screwed in magnetic cylinder 14, firing pin 22 and spring 24 are put into transmission tube 28 vertically, by firing pin 22
Needle point is put into transmission casing upwards, and 22 needle point of firing pin is upward, and 24 sets of spring on firing pin 22, are hit after being pushed out in order to firing pin 22
It hits on the propellant powder fire in a stove before fuel is added, firing pin 22 can use spring 24 and be resetted.
Step 3: the transmitting tube 29 to be fixed on to the head of transmission tube 28 with connection bolt 27, being connected with is prevented
Propellant powder recoil damages temperature measuring equipment itself.Safety plug 25 is inserted in the jack of transmitting tube 29.
Step 4: propellant powder and thermometric nail 32 are put into transmitting tube 29 from 29 mouthfuls of transmitting tube；
Step 5: extracting safety plug 25 from transmitting tube 29 before transmitting starts, power supply is disconnected, by temperature measuring equipment side
Power supply be inserted into jack；
Step 6: operating personnel evacuates to 10 meters of safe distance outer, the fixed electromagnets 13 after powering on, in magnetic cylinder 14
There is magnetism because of being powered, push movable magnet 11 to run up and bump against with firing pin 22, firing pin 22 runs up and strikes
The fire in a stove before fuel is added of propellant powder, propellant powder ignite, and thermometric nail 32 is launched into slab；
Step 7: 31 head of temperature thermocouple is located at 33 head of deceleration floor of thermometric nail 32, when thermometric nail 32 injects casting
Deceleration floor 33 is contacted with slab 5 when base 5, plays the role of completely cutting off secondary cooling water stream, meanwhile, heat passes through temperature thermocouple 31
Portion, temperature can be recorded；Temperature data is transmitted to the temperature that thermometric follows closely 32 tail portions via conducting wire by 31 head of temperature thermocouple
In angle value transmitter 41, temperature value transmitter 41 is sent out temperature data, or directly sends data by conducting wire；
Step 8: the temperature data being sent out is captured by temperature sampler 42, capture delay is 100ms~500ms, is led to
Same flow slab goes out crystallizer rear surface temperature real-time change situation under the available real-time status of excess temperature collector 42；With
Continuous casting process carries out, and temperature is recorded in real time, and temperature sampler 42 shows casting blank surface temperature real-time change situation；Meanwhile it is logical
The available casting blank surface temperature curve after secondary cooling zone of excess temperature point, provides direct temperature for secondary cooling zone technology controlling and process
Foundation.
The utility model uses the thermometric mode of contact temperature-measuring, has cleared away the blind area of secondary cooling zone temperature monitoring, has been close to
The influence that the temperature thermocouple on continuous casting billet surface can weaken, eliminate moisture film to temperature.Be no longer limited to temperature thermocouple and specially
Family's system simulation.Curved head transmitting tube 29 can be applicable in the slab of different section, increase device availability；Transmission tube 28 can be consolidated
It is fixed, increase device stability, and device does not have to artificially help at the scene, increases safety.S series can be selected in propellant powder
Conventional propellant reduces the trouble of propellant powder customization.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of continuous casting billet surface temperature measurement on-line device, which is characterized in that including Electromagnetic excitation device, thermometric nail trigger device,
Contact temperature-measuring system and data acquisition device；The Electromagnetic excitation device includes movable magnet, fixed electromagnet and magnetic cylinder,
Thermometric nail trigger device includes firing pin and propellant powder, and contact temperature-measuring system includes that temperature thermocouple and thermometric are followed closely, data acquisition
Device includes temperature transmitter and temperature sampler；Fixed electromagnet has magnetism after being powered, and pushes movable magnet and firing pin phase
It hits, firing pin ignites propellant powder, and thermometric nail is emitted, and after thermometric nail injects slab, temperature transmitter sends temperature signal, by temperature
Collector receives；When thermometric, thermometric nail runs to continuous casting terminal, the temperature that temperature thermocouple obtains as slab is exported from crystallizer
Degree is optimizing of the second cooling water to obtain out casting blank surface temperature situation of change after crystallizer according to constantly temperature sampler is sent to
Research provides data and supports.
2. a kind of continuous casting billet surface temperature measurement on-line device according to claim 1, which is characterized in that the electromagnetism excitation dress
It sets including movable magnet, magnet support seat, fixed electromagnet, magnetic cylinder and power outlet；Power outlet is fixed on one end of magnetic cylinder,
Fixed electromagnet is fixed in magnetic cylinder, and magnet support seat is fixed in magnetic cylinder, and movable magnet is placed on magnet support seat.
3. a kind of continuous casting billet surface temperature measurement on-line device according to claim 1, which is characterized in that the thermometric nail triggering
Device includes detachable transmitting tube, firing pin, temperature measurer support base, spring, safety plug and propellant powder；Detachable transmitting tube is by being driven
Pipe is mounted in transmission tube with two sections of transmitting tube compositions, firing pin, temperature measurer support base and spring, and propellant powder is mounted on safety plug
In transmitting tube, detachable transmitting tube is connected with magnetic cylinder.
4. a kind of continuous casting billet surface temperature measurement on-line device according to claim 3, which is characterized in that the transmitting tube head
Equipped with arc tube head, arc radius is adapted to round billet radius.
5. a kind of continuous casting billet surface temperature measurement on-line device according to claim 3, which is characterized in that the propellant powder is optional
With the propellant powder of the common model of S series.
6. a kind of continuous casting billet surface temperature measurement on-line device according to claim 1, which is characterized in that the contact temperature-measuring
System includes temperature thermocouple, thermometric nail, deceleration floor and filler；Temperature thermocouple tail end insertion thermometric nail tail portion with
Temperature transmitter is connected, and is pierced by from deceleration floor head, is finally filled with filler.
7. a kind of continuous casting billet surface temperature measurement on-line device according to claim 1, which is characterized in that the thermometric follows closely tail portion
For arc, temperature thermocouple head is located at the front end of deceleration floor, and after thermometric nail projects, temperature thermocouple is with deceleration floor
In casting billet surface, slab runs to continuous casting together to be terminated nail, reaches thermometric purpose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398400.0U CN209541938U (en) | 2019-03-27 | 2019-03-27 | A kind of continuous casting billet surface temperature measurement on-line device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398400.0U CN209541938U (en) | 2019-03-27 | 2019-03-27 | A kind of continuous casting billet surface temperature measurement on-line device |
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| CN209541938U true CN209541938U (en) | 2019-10-25 |
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| CN201920398400.0U Active CN209541938U (en) | 2019-03-27 | 2019-03-27 | A kind of continuous casting billet surface temperature measurement on-line device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883563A (en) * | 2019-03-27 | 2019-06-14 | 辽宁科技大学 | A kind of continuous casting billet surface temperature measurement on-line device and method |
-
2019
- 2019-03-27 CN CN201920398400.0U patent/CN209541938U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883563A (en) * | 2019-03-27 | 2019-06-14 | 辽宁科技大学 | A kind of continuous casting billet surface temperature measurement on-line device and method |
| CN109883563B (en) * | 2019-03-27 | 2024-03-15 | 辽宁科技大学 | Online temperature measuring device and method for surface of continuous casting billet |
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