CN109269646A - A kind of continuous temperature measuring device for molten and system - Google Patents
A kind of continuous temperature measuring device for molten and system Download PDFInfo
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- CN109269646A CN109269646A CN201811125511.0A CN201811125511A CN109269646A CN 109269646 A CN109269646 A CN 109269646A CN 201811125511 A CN201811125511 A CN 201811125511A CN 109269646 A CN109269646 A CN 109269646A
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- temperature probe
- molten steel
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 82
- 239000000523 sample Substances 0.000 claims abstract description 82
- 239000010959 steel Substances 0.000 claims abstract description 82
- 238000010926 purge Methods 0.000 claims abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 15
- 239000002893 slag Substances 0.000 claims abstract description 15
- 238000005183 dynamical system Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000002000 scavenging effect Effects 0.000 claims description 13
- 239000000112 cooling gas Substances 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 238000003723 Smelting Methods 0.000 abstract description 10
- 230000005855 radiation Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 241001417490 Sillaginidae Species 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 239000002937 thermal insulation foam Substances 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0037—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the heat emitted by liquids
- G01J5/004—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the heat emitted by liquids by molten metals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/05—Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path
- G01J5/051—Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path using a gas purge
Abstract
The invention discloses a kind of continuous temperature measuring device for molten, the temperature-measuring gun that the liquid steel temperature in molten steel bogey can be detected；Temperature-measuring gun includes for carrying out the purging tracheae of break to the slag blanket on molten steel and carrying out the temperature probe component of thermometric to the molten steel after break, temperature probe component includes the infrared temperature probe that thermometric is carried out to molten steel, and purging tracheae is connect through purging air inlet pipe with purging dynamical system.Using the device, contactless long-range measurement is carried out to the molten steel in molten steel bogey by infrared temperature probe, and before measuring, break can be carried out by slag blanket of the purging tracheae to molten steel, infrared temperature probe is allowed directly to acquire the infrared radiation signal of molten steel, it realizes converter steel-smelting molten steel on-line continuous thermometric, real-time continuous thermometric can be carried out automatically according to process is smelted, without human intervention and save the cost that replacement is popped one's head in.The present invention also provides a kind of Continuous Temperature Measurement System for Liquid including above-mentioned continuous temperature measuring device for molten.
Description
Technical field
The present invention relates to metal smelt fields to further relate to one kind more specifically to a kind of continuous temperature measuring device for molten
Continuous Temperature Measurement System for Liquid including above-mentioned continuous temperature measuring device for molten.
Background technique
The control of temperature in steelmaking process is a very important element in steelmaking process.Temperature is to smelting process
Influence is very big, be easy to cause lime as smelting process temperature is low, the auxiliary materials conglomeration such as dolomite is not changed, and is unfavorable for slag making, influences to melt
Dephosphorization in pond, desulfurization ability, affect terminal and go out composition of steel.Smelting process temperature is high, is unfavorable for the control to clinker, is easy to make
At splash, metal charge consumption is improved, equipment safety and cost control is affected, also has a certain impact to environment.Terminal temperature
The low tapping temperature that will lead to is unqualified, and formation is secondary to re-blow, and the oxidisability of molten steel improves, and blow loss increases, and yield of alloy reduces,
Energy consumption increases, and steel quality reduces, and the working of a furnace can also have a certain impact.Terminal temperature height will lead to terminal ingredient and be difficult to ensure, shape
It re-blows at secondary, the oxidisability of molten steel improves, and blow loss increases, and yield of alloy reduces, and energy consumption increases, and steel quality reduces, furnace
Condition has a great impact, while can also will affect entire rhythm of production.Bad environments are made steel, on-line real-time measuremen to be realized is caused
Liquid steel temperature is very difficult, it would be highly desirable to research and develop a kind of new technology that can be realized liquid steel temperature in real-time continuous detection Converter.
Smelting molten steel process thermometric mainly has two kinds of sublance thermometric, the terminal of falling furnace thermometric temp measuring methods at present, and ladle uses
Thermocouple probe carries out a survey.Sublance thermometry carries out a thermometric using sublance system in two minutes or so before finishing blowing,
Prediction outlet temperature is so calculated according to model, the method needs to consume auxiliary lance probe, and temperature probe is at high cost.The terminal of falling furnace is surveyed
Warm therapy needs to stop oxygen blast, and stove is poured into certain angle, then artificial to carry out thermometric, this side using temperature-measuring gun insertion molten steel
Method needs manual operation and needs to consume probe.This two kinds of temp measuring methods all can not achieve continuous temperature measurement, and need every probe
Primary, higher cost can only be surveyed.
Summary of the invention
In view of this, the first purpose of this invention is to provide a kind of continuous temperature measuring device for molten, to solve existing steel
Water temperature measuring equipment needs manual operation and need to consume probe, cannot achieve the problem of continuous temperature measurement, and second object of the present invention is
A kind of Continuous Temperature Measurement System for Liquid including above-mentioned continuous temperature measuring device for molten is provided.
In order to reach above-mentioned first purpose, the invention provides the following technical scheme:
A kind of continuous temperature measuring device for molten, comprising:
The temperature-measuring gun that liquid steel temperature in molten steel bogey can be detected；
The temperature-measuring gun include for on molten steel slag blanket carry out break purging tracheae and to the molten steel after break into
The temperature probe component of row thermometric, the temperature probe component includes the infrared temperature probe that thermometric is carried out to molten steel, described to blow
Scavenging air pipe is connect through purging air inlet pipe with purging dynamical system.
Preferably, the optical path of the infrared temperature probe is conllinear with the purging central axis of tracheae.
Preferably, the temperature probe component further includes the installation protection for covering at the outside of the infrared temperature probe
The tail portion of cylinder, the installation protection cylinder is respectively equipped with the signal wire joint connecting with the infrared temperature probe and for described
The cooling gas interface of infrared temperature probe cooling, the signal wire joint and the cooling gas interface respectively with the installation
Protection cylinder is removably fixedly connected.
Preferably, tube body attachment device, the tube body connection are equipped between the purging tracheae and the infrared temperature probe
Device is arranged in parallel with the purging air inlet pipe through the first curved portion, and the angle of first curved portion is between 120 ° -150 °.
Preferably, the tube body attachment device is welded and fixed with the purging air inlet pipe, the tube body attachment device and institute
The weld of purging air inlet pipe is stated equipped with the corner portion for reducing gas-flow resistance, the corner of the corner portion is between 25 ° -35 °.
Preferably, it is equipped between the infrared temperature probe and the tube body attachment device described red for preventing steel slag from entering
The hermetic barrier part of outer temperature probe.
Preferably, the hermetic barrier part is specially sealing ring and quartz glass, the sealing ring and the quartz glass
It is sequentially arranged between the tube body attachment device and the infrared temperature probe.
Preferably, the scavenging conduit is the double-deck socket, and the hollow layer between the bilayer socket is equipped with insulation medium.
Preferably, the purging tracheae includes scavenging conduit and the nozzle set on its front end, the scavenging conduit and the nozzle
It is removably fixedly connected, the nozzle is outlet gradual shrinkage nozzle, and the diameter of the entrance of the outlet gradual shrinkage nozzle is big
In exit diameter and uniformly successively decrease.
Continuous temperature measuring device for molten provided by the invention can detect the liquid steel temperature in molten steel bogey
Temperature-measuring gun；Temperature-measuring gun includes for the purging tracheae to the slag blanket progress break on molten steel and carrying out thermometric to the molten steel after break
Temperature probe component, temperature probe component include to molten steel carry out thermometric infrared temperature probe, purge tracheae through being purged into
Tracheae is connect with purging dynamical system.
Using continuous temperature measuring device for molten provided by the invention, by infrared temperature probe to the steel in molten steel bogey
Water carries out contactless long-range measurement, and before measuring, can carry out break by slag blanket of the purging tracheae to molten steel, allow infrared
Temperature probe directly acquires the infrared radiation signal of molten steel, realizes converter steel-smelting molten steel on-line continuous thermometric, can flow according to smelting
Cheng Zidong carries out real-time continuous thermometric, without human intervention and saves the cost that replacement is popped one's head in.
In order to reach above-mentioned second purpose, the present invention also provides a kind of Continuous Temperature Measurement System for Liquid, including above-mentioned
A kind of continuous temperature measuring device for molten, further include the temperature measurer being connect for the infrared temperature probe with continuous temperature measuring device for molten and
For the thermometric gun carriage that the temperature-measuring gun to continuous temperature measuring device for molten is supported, which has above-mentioned
Technical effect, the Continuous Temperature Measurement System for Liquid with the continuous temperature measuring device for molten should also have corresponding technical effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of Continuous Temperature Measurement System for Liquid provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of temperature-measuring gun provided in an embodiment of the present invention；
Fig. 3 is the schematic cross-sectional view of temperature-measuring gun provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of installation protection cylinder provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of purging tracheae provided in an embodiment of the present invention.
It is marked in attached drawing as follows:
Purge tracheae 1, nozzle 11, scavenging conduit 12, hollow layer 13, installation protection cylinder 2, route protection pipe 3, purging air inlet pipe
4, dynamical system 5, temperature measurer 6, thermometric gun carriage 7, temperature-measuring gun 8, steel ladle 9, tube body attachment device 21, hermetic barrier part are purged
22, infrared temperature probe 23, cooling gas interface 24, signal wire joint 25.
Specific embodiment
The embodiment of the invention discloses a kind of continuous temperature measuring device for molten, need to manually be grasped with solving existing measuring temp of molten steel device
Make and probe need to be consumed, cannot achieve the problem of continuous temperature measurement.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 5 is please referred to, Fig. 1 is the structural schematic diagram of Continuous Temperature Measurement System for Liquid provided in an embodiment of the present invention；Fig. 2
For the structural schematic diagram of temperature-measuring gun provided in an embodiment of the present invention；Fig. 3 is the section view knot of temperature-measuring gun provided in an embodiment of the present invention
Structure schematic diagram；Fig. 4 is the structural schematic diagram of installation protection cylinder provided in an embodiment of the present invention；Fig. 5 provides for the embodiment of the present invention
Purging tracheae structural schematic diagram.
In a kind of specific embodiment, continuous temperature measuring device for molten provided by the invention, including molten steel can be held
Carry the temperature-measuring gun 8 that the liquid steel temperature in setting is detected；Temperature-measuring gun 8 includes for carrying out blowing for break to the slag blanket on molten steel
Scavenging air pipe 1 and the temperature probe component that thermometric is carried out to the molten steel after break, temperature probe component include carrying out thermometric to molten steel
Infrared temperature probe 23, purging tracheae 1 through purging air inlet pipe 4 with purge dynamical system 5 connect.Wherein, molten steel bogey
It can be specially steel ladle 9 or converter etc..
In general, temperature-measuring gun 8 is generally located on the top of steel ladle 9, preferably removably fixation connects with steel ladle 9
It connects, the mode that can be connected through a screw thread is fixed, and purging tracheae 1 is connect with purging dynamical system 5, and purging dynamical system 5 can
Preferably blower or other power devices, as long as identical technical effect can be reached, wherein infrared temperature probe 23
Pre-determined distance is equipped with steel ladle 9, and measurement cost, infrared measurement of temperature are improved with the deformation for preventing high temperature from causing infrared temperature probe 23
The specific structure of probe 23 can refer to the prior art, and details are not described herein.
Dynamical system 5 is purged to open, air-flow carries out break by slag blanket of the purging tracheae 1 to molten steel through purging air inlet pipe 4,
Infrared temperature probe 23 carries out contactless temperature-measuring to the molten steel after break.
Using continuous temperature measuring device for molten provided by the invention, by infrared temperature probe 23 in molten steel bogey
Molten steel carries out contactless long-range measurement, and before measuring, can carry out break by slag blanket of the purging tracheae 1 to molten steel, allow
Infrared temperature probe 23 directly acquires the infrared radiation signal of molten steel, realizes converter steel-smelting molten steel on-line continuous thermometric, can basis
It smelts process and carries out real-time continuous thermometric automatically, without human intervention and save the cost that replacement is popped one's head in.
Specifically, the optical path of infrared temperature probe 23 is conllinear with the purging central axis of tracheae 1.Thus it is arranged, to guarantee
Infrared temperature probe 23 when being measured to molten steel its optical path it is unimpeded, and detection direction and purge stream are coaxially equidirectional,
It is cleaned using the dust etc. that the air-flow of purge gas carries out optical path, guarantees the cleaning of optical path.Or in a kind of embodiment
In, infrared temperature probe 23 and purging tracheae 1 can also be set side by side, as long as can guarantee the optical path of infrared temperature probe 23
On molten steel after break can be exposed to, its specific location is not construed as limiting, is within the scope of the invention.
Further, temperature probe component further includes the installation protection cylinder 2 for covering at the outside of infrared temperature probe 23, peace
The tail portion of dress protection cylinder 2 is respectively equipped with the signal wire joint 25 connecting with infrared temperature probe 23 and for infrared temperature probe
The cooling gas interface 24 of 23 coolings, signal wire joint 25 and cooling gas interface 24 are dismountable with installation protection cylinder 2 respectively
It is fixedly connected.Wherein, installation protection cylinder 2 can be fixedly connected with purging tracheae 1, such as welding, it is further preferable that installation protection cylinder
2 axis is conllinear with straight line where the optical path of infrared temperature probe 23, and signal wire joint 25 is for surveying infrared temperature probe 23
The temperature signal of amount is transmitted to corresponding host computer, and wherein host computer can be specially temperature measurer 6, and cooling gas interface 24 sprays cold
Gas cools down to infrared temperature probe 23, and to prevent 23 temperature of infrared temperature probe excessively high, wherein cooling gas interface 24 can be with pressure
The ejection of compressed nitrogen is realized in the connection of contracting source nitrogen, is respectively provided with fixed signal wire terminal 25 and cold on installation protection cylinder 2
But the fixing groove of gas interface 24, specific structure and shape can be configured according to actual needs.It preferably, can also be
Temperature-detecting device is arranged in the corresponding position of infrared temperature probe 23, when the temperature of infrared temperature probe 23 reaches preset temperature
It can control the valve of corresponding cooling gas interface 24 to open when value, realize automatic cooling, or can be by between setting timer
Cool down every certain time to infrared temperature probe 23.
It is understood that route protection pipe 3 is arranged on the outside of signal wire joint 25 and cooling gas interface 24 to carry out
Pipeline protection, route protection pipe can be specially stainless steel tube.Infrared radiation signal be transmitted to the preposition processing board of temperature probe into
The progress model of temperature measurer 6 is transmitted to by high temperature resistant signal cable after row processing, liquid steel temperature is calculated, temperature measurer 6 is RM-
CW800S type.
In one embodiment, it purges and is equipped with tube body attachment device 21 between tracheae 1 and infrared temperature probe 23, tube body connection
Device 21 is arranged in parallel with purging air inlet pipe 4 through the first curved portion, and the angle of the first curved portion is between 120 ° -150 °.Thus it sets
It sets, to reduce gas-flow resistance, tube body attachment device 21 is connect with purging tracheae 1 and infrared temperature probe 23 respectively, further,
Tube body attachment device 21 is welded and fixed with purging air inlet pipe 4, and the weld of tube body attachment device 21 and purging air inlet pipe 4, which is equipped with, to be used
In the corner portion for reducing gas-flow resistance, the corner of corner portion is between 25 ° -35 °.Corner portion reduces internal airflow resistance, so that logical
It crosses and is purged into the air-flow of the entrance of tracheae 4 and smoothly can enter to purging tracheae 1 through corner portion and the first curved portion, and pass through purging
The pipeline air-flow of air inlet pipe 4 cleans the optical path of infrared temperature probe 23, is not necessarily to additional optical path cleaning device, structure
Simply.
It is visited specifically, being equipped between infrared temperature probe 23 and tube body attachment device 21 for preventing steel slag from entering infrared measurement of temperature
First 23 hermetic barrier part 22.It is understood that purging tracheae 1 and infrared temperature probe 23 are pipeline connection state, in order to
It prevents between air-flow and dust enter infrared temperature probe 23 when purging molten steel slag blanket, hermetic barrier part 22 is set between the two,
Hermetic barrier part 22 is preferably sealing ring and quartz glass, sealing ring and quartz glass be sequentially arranged in tube body attachment device 21 with it is red
Between outer temperature probe 23.Quartz glass will not obstruct the optical path of infrared temperature probe 23, and can effectively obstruct dust, certainly,
In other embodiments, it also can according to need the suitable hermetic barrier part 22 of selection.
Further, scavenging conduit 12 is the double-deck socket, and the hollow layer 13 between the double-deck socket is equipped with insulation medium.Insulation medium
Can be specially heat insulation foam, the ventilation pipe diameter of the double-deck socket can be 20-28mm, 13 gap 2-4mm of hollow layer, be thus arranged with
Prevent 12 temperature of scavenging conduit excessively high, high temperature, which is transferred to purging air inlet pipe 4, leads to problems such as tube body deform.
On the basis of the various embodiments described above, purging tracheae 1 includes scavenging conduit 12 and the nozzle 11 set on its front end, purging
Pipe 12 is removably fixedly connected with nozzle 11, and nozzle 11 is outlet gradual shrinkage nozzle 11, exports the import of gradual shrinkage nozzle 11
The diameter at place is greater than the diameter in exit and uniformly successively decreases.
Scavenging conduit 12 is preferably threadedly coupled with nozzle 11, and 11 outlet diameter of nozzle is 16-25mm, and decrement length is 60-
75mm, shrinkage type nozzle 11 increase purge gas impact dynamics, convenient for smaller air inflow realize break, save purging at
This.
The infrared temperature probe 23 of the device has high distance coefficient, and optical focusing system is small in size, and temperature measurement accuracy is
± 5 DEG C, temperature-measuring range is 600 DEG C -1800 DEG C, and radiance is adjustable between 0-1.
In a kind of specific embodiment, infrared temperature probe 23 is mounted at thermometric pipette tips, installation site such as Fig. 4 institute
Show, the optical path of infrared temperature probe 23 and the central axis of oxygen rifle jet stream utilize thermometric during temperature-measuring gun 8 is blown
8 jet stream of rifle blows steel slag open, cleans optical path.Infrared temperature probe 23 detects the infrared spoke of the molten steel at oxygen rifle jet impulse hole
It penetrates, 6 table of RM_CW800S temperature measurer, RM_CW800S thermometric is transferred to by signal transmssion line after the focusing of infrared temperature probe 23
Molten steel radiation signal is converted into molten steel radiation energy dynamics digital signal (0-10V) by 6 table of instrument, establishes molten steel radiation temperature measuring model
Obtain molten steel real time temperature.
Workflow are as follows:
1) it arranges and requires according to system for field, complete all electrical connections.Power supply and system software are opened, system carries out certainly
Enter mode to be measured after inspection.
2) under mode to be measured, system real-time monitoring smelts commencing signal, and when monitoring to smelt commencing signal, system is automatic
Opening temperature measurement.
3) under thermometric mode system the real time measure molten steel temperature, and be sent to master control room host computer and shown；And
Monitor whether smelting terminates simultaneously, if terminated, system continues automatically into mode to be measured as system is not finished in smelting
Liquid steel temperature measurement.
The continuous temperature measuring device for molten provided in based on the above embodiment, the present invention also provides a kind of continuous measurement of molten steel temperature
System further includes the temperature measurer 6 connecting for the infrared temperature probe 23 with continuous temperature measuring device for molten and is used to connect molten steel
The thermometric gun carriage 7 that the temperature-measuring gun 8 of continuous temperature measuring equipment is supported, and include master control set and display, master control in the system
The liquid steel temperature signal that device can be sent according to continuous temperature measuring device for molten carries out corresponding operation, and display is for showing molten steel
The liquid steel temperature value that continuous thermometering device is sent, specific structure and connection relationship can refer to the prior art, no longer superfluous herein
It states, temperature measuring equipment is contacted since the Continuous Temperature Measurement System for Liquid uses the molten steel in above-described embodiment, so the molten steel is continuous
The beneficial effect of temp measuring system please refers to above-described embodiment.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of continuous temperature measuring device for molten characterized by comprising
The temperature-measuring gun that liquid steel temperature in molten steel bogey can be detected；
The temperature-measuring gun includes surveying for the purging tracheae to the slag blanket progress break on molten steel and to the molten steel after break
The temperature probe component of temperature, the temperature probe component include the infrared temperature probe that thermometric is carried out to molten steel, the purge gass
Pipe is connect through purging air inlet pipe with purging dynamical system.
2. continuous temperature measuring device for molten according to claim 1, which is characterized in that the optical path of the infrared temperature probe with
The central axis of the purging tracheae is conllinear.
3. continuous temperature measuring device for molten according to claim 2, which is characterized in that the temperature probe component further includes cover
Set on the outside of the infrared temperature probe installation protect cylinder, it is described installation protection cylinder tail portion be respectively equipped with it is described infrared
The signal wire joint that temperature probe connects and the cooling gas interface for cooling down to the infrared temperature probe, the signal wire
Connector and the cooling gas interface are removably fixedly connected with installation protection cylinder respectively.
4. continuous temperature measuring device for molten according to claim 3, which is characterized in that the purging tracheae and the infrared survey
It is equipped with tube body attachment device between temperature probe, the tube body attachment device is set with the purging air inlet pipe through the first curved portion is parallel
It sets, the angle of first curved portion is between 120 ° -150 °.
5. continuous temperature measuring device for molten according to claim 4, which is characterized in that the tube body attachment device is blown with described
It sweeps into tracheae to be welded and fixed, the weld of the tube body attachment device and the purging air inlet pipe is equipped with for reducing gas-flow resistance
Corner portion, the corner of the corner portion is between 25 ° -35 °.
6. continuous temperature measuring device for molten according to claim 5, which is characterized in that the infrared temperature probe and the pipe
The hermetic barrier part for preventing steel slag from entering the infrared temperature probe is equipped between body attachment device.
7. continuous temperature measuring device for molten according to claim 6, which is characterized in that the hermetic barrier part is specially to seal
Circle and quartz glass, the sealing ring and the quartz glass are sequentially arranged in the tube body attachment device and the infrared measurement of temperature is visited
Between head.
8. continuous temperature measuring device for molten according to claim 7, which is characterized in that the scavenging conduit is the double-deck socket, institute
The hollow layer stated between the double-deck socket is equipped with insulation medium.
9. continuous temperature measuring device for molten according to claim 1-8, which is characterized in that the purging tracheae includes
Scavenging conduit and nozzle set on its front end, the scavenging conduit are removably fixedly connected with the nozzle, and the nozzle is outlet
The diameter of gradual shrinkage nozzle, the entrance of the outlet gradual shrinkage nozzle is greater than the diameter in exit and uniformly successively decreases.
10. a kind of Continuous Temperature Measurement System for Liquid, including such as described in any item continuous temperature measuring device for molten of claim 1-9,
It is characterized in that, further includes temperature measurer for being connect with the infrared temperature probe of the continuous temperature measuring device for molten and for institute
State the thermometric gun carriage that the temperature-measuring gun of continuous temperature measuring device for molten is supported.
Priority Applications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631709A (en) * | 2019-09-24 | 2019-12-31 | 湖北理工学院 | Non-contact molten steel temperature detection method during converter steelmaking and converter reversing |
| CN110926619A (en) * | 2019-12-17 | 2020-03-27 | 湖北理工学院 | Continuous temperature measurement method for temperature of molten steel in steel ladle |
| WO2020220187A1 (en) * | 2019-04-29 | 2020-11-05 | 连铸 | System for continuously detecting temperature of molten steel and detecting composition during converter steelmaking |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07229791A (en) * | 1994-02-22 | 1995-08-29 | Nkk Corp | Temperature measuring device and temperature measuring method for molten metal |
| US6596995B1 (en) * | 2002-03-07 | 2003-07-22 | Manfred Bender | Remote sensing of molten metal properties |
| CN103471720A (en) * | 2013-08-20 | 2013-12-25 | 中钢集团邢台机械轧辊有限公司 | Infrared real-time temperature measurement system and method for spray heat treatment |
| CN105910716A (en) * | 2016-06-06 | 2016-08-31 | 中冶赛迪工程技术股份有限公司 | Non-contact electric-arc-furnace continuous temperature measuring gun structure |
| CN108168708A (en) * | 2017-12-19 | 2018-06-15 | 安徽天重工股份有限公司 | A kind of steel-making tundish temperature tube, temperature-measuring gun and thermometric robot and its temp measuring method |
-
2018
- 2018-09-26 CN CN201811125511.0A patent/CN109269646A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07229791A (en) * | 1994-02-22 | 1995-08-29 | Nkk Corp | Temperature measuring device and temperature measuring method for molten metal |
| US6596995B1 (en) * | 2002-03-07 | 2003-07-22 | Manfred Bender | Remote sensing of molten metal properties |
| CN103471720A (en) * | 2013-08-20 | 2013-12-25 | 中钢集团邢台机械轧辊有限公司 | Infrared real-time temperature measurement system and method for spray heat treatment |
| CN105910716A (en) * | 2016-06-06 | 2016-08-31 | 中冶赛迪工程技术股份有限公司 | Non-contact electric-arc-furnace continuous temperature measuring gun structure |
| CN108168708A (en) * | 2017-12-19 | 2018-06-15 | 安徽天重工股份有限公司 | A kind of steel-making tundish temperature tube, temperature-measuring gun and thermometric robot and its temp measuring method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020220187A1 (en) * | 2019-04-29 | 2020-11-05 | 连铸 | System for continuously detecting temperature of molten steel and detecting composition during converter steelmaking |
| US11808635B2 (en) | 2019-04-29 | 2023-11-07 | Chu LIEN | System for continuously detecting temperature and composition of molten steel during converter steelmaking |
| CN110631709A (en) * | 2019-09-24 | 2019-12-31 | 湖北理工学院 | Non-contact molten steel temperature detection method during converter steelmaking and converter reversing |
| CN110926619A (en) * | 2019-12-17 | 2020-03-27 | 湖北理工学院 | Continuous temperature measurement method for temperature of molten steel in steel ladle |
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Application publication date: 20190125 |