CN206132627U - A online quick detection device for steel scrap and metal - Google Patents
A online quick detection device for steel scrap and metal Download PDFInfo
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- CN206132627U CN206132627U CN201621188608.2U CN201621188608U CN206132627U CN 206132627 U CN206132627 U CN 206132627U CN 201621188608 U CN201621188608 U CN 201621188608U CN 206132627 U CN206132627 U CN 206132627U
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- steel scrap
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- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 44
- 239000010959 steel Substances 0.000 title claims abstract description 44
- 239000002184 metal Substances 0.000 title claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 239000013307 optical fiber Substances 0.000 claims description 53
- 239000000203 mixture Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 abstract description 10
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000004615 ingredient Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000010183 spectrum analysis Methods 0.000 abstract description 2
- 238000002536 laser-induced breakdown spectroscopy Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 15
- 238000004458 analytical method Methods 0.000 description 12
- 230000003595 spectral effect Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000005204 segregation Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 230000004899 motility Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000004876 x-ray fluorescence Methods 0.000 description 2
- 230000005461 Bremsstrahlung Effects 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003412 degenerative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000003923 scrap metal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model provides an online quick detection device for steel scrap and metal, belongs to metal ingredient spectral analysis test equipment technology field for direct detection steel scrap and metal ingredient are classified. Its technical scheme is: it by the laser instrument, detect light path passageway, optic fibre, spectrum appearance, controller and constitute, the rear end of detecting the light path passageway links to each other with the laser instrument front end, the light -emitting window that detects light path passageway front end is with to await measuring the sample relative, the front end of optic fibre connect the light -emitting window that detects light path passageway front end with to await measuring the sample relative, optic fibre passes detection light path passageway, the rear end of optic fibre is connected with the spectrum appearance, the laser instrument still is connected with the trigger mechanism of spectrum appearance, laser instrument and spectrum appearance are connected with the controller respectively. The utility model discloses the precision is high, good, the easy adjustment operation of flexibility, and the while is small, the integrated level is high, environmental suitability is strong, the removal is convenient, and the various steel scrap kinds that can be used to various industrial field detect.
Description
Technical field
This utility model is related to a kind of for direct detection steel scrap and metal ingredient and the laser-induced breakdown classified
Spectral device, belongs to metal ingredient spectrum analyses testing equipment technical field.
Background technology
Initial smelting period add a certain proportion of steel scrap is it is a kind of reduce smelting cost, accelerate blowing speed, reduce oxygen and
Effective matching method of solvent consumption, because element in steel scrap and its composition are different, and different, species of originating is various, shape
Different, surface condition is severe, and the difficulty accurately detected to it, classified is larger.
At present the segregation component detection method of iron and steel enterprise is usually first sample to be cut in the lab, is beaten
Mill, polishing, or even need tabletting, fuse piece or be dissolved into the sample making courses such as liquid, it is sent to laboratory electric spark direct-reading light
The spectrogrphs such as spectrum/X-ray fluorescence spectra/ICP are analyzed, and process is loaded down with trivial details, early stage sample preparation takes, and size of sample are required tight
Lattice, do not possess online in-situ study ability.
Chinese Patent Application No. 201510207084.0 discloses a kind of high method of steel scrap sorting machine degree, but base
Enter row metal sorting in electric magnet, error is larger, it is impossible to which basic quick detection steel scrap and metal ingredient accomplish Accurate classification.China
Number of patent application 201320746533.5 discloses a kind of system for waste steel quality sorting, and wherein composition detection structure is utilized
X-ray fluorescence spectra is analyzed, but the light element analysis ability of this system, and important C element often detects not
Arrive, the too low light element of content often has error, and there is also X-radiation hidden danger, it is impossible to quickly carry out online at all
Steel scrap is sorted.Chinese Patent Application No. 200710038192.5 discloses a kind of method for detecting scrap steel constituent in stainless steel, and it is profit
With assistant ingredients and smelting process, using Cr, Ni in molten steel and raw material mix etc. Cr, Ni content in steel scrap is calculated, it is impossible to quick
The various composition of the more steel scrap species of direct detection.Chinese Patent Application No. 201280049711.7 discloses a kind of old metal point
Choosing method, this method first passes through fluid and processes old metal piece surface, recycles spectrographic method to carry out composition detection and classifies again, but should
Device is Factory Building mechanized operating, needs first to process cheet scrap and is positioned over transporter again and is detected, it is impossible to online in situ
Detection, and size of sample is also required.
LIBS（Laser Induced Breakdown Spectroscopy, LIBS）It is a kind of laser
Ablation spectral analysis technique, laser focusing in test site, when the energy density of laser pulse is more than breakdown threshold, you can produce
Raw plasma.Based on this special plasma Ablation Technique, generally in atomic emission spectrum technology independently
Sampling, atomization, three steps are excited can once to be realized by pulsed laser excitation source.Produce in energy of plasma degenerative process
The emission of ions line of the continuous bremsstrahlung of life and inner element, by fiber spectrometer spectral emissions signal, analysis are gathered
The corresponding feature peak intensity of element can be for the qualitative and quantitative analyses of sample in spectrogram.
LIBS technologies with its without the need for sample preparation, short, real-time, lossless analysis time, fast inspection, non-cpntact measurement, to be measured
The advantages of sample morphology specification no requirement (NR), full spectral coverage are measured steel scrap examine soon and classification in terms of have good using value.LIBS
Technology is to send pulse laser using laser instrument to excite steel scrap to produce plasma, and the light for recycling plasma resonance is examined
Survey analysis, the metal alloy of the qualified steel scrap that the steel scrap metal alloy composition for being received and content parameter are prestored with it into
Point and content standard parameter compare and realize segregation, LIBS methods are widely popularized in steel industry can bring spy for user
Other interests.
At present, either vehicle-mounted small-sized LIBS instruments of the hand-held LIBS or TSI of IVEA, are all on existing instrument basis
The miniaturization instrument of upper formation, additionally, the hand-held instrument of Oxford can realize that battery is manipulated, to steel samples reality in five seconds
Existing qualitative classification, this is a much progress of commercialization LIBS, is worth all application oriented Research Team's study.And for the country
LIBS technologies for, have been realized in the production domesticization of portable laser induced breakdown spectroscopy analytical tool.Portable laser light
Spectrometer (LIBS Mobile) and volume is less, quality is lighter, is more suitable for the hand-held of the quick analysis of field condition sample
Formula LIBS instrument：Handheld laser spectroanalysis instrument (LIBS Mini), can in situ complete to solid, liquid within the several seconds
The body even complete on-line element analysis of the material of gas form, therefore such portable instrument can be used for geology, environment, peace
Guarantor, antique, metallurgy, surface treatment and electronic device field assay.At present, the existing LIBS equipment for being applied to segregation, no
Phosphorus, element sulphur can be detected, practical application request is not much reached to carbon accuracy of detection yet, therefore in the urgent need to showing
Field carries out detecting the LIBS equipment of classification to steel scrap and metal, to meet the needs of production.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of on-line quick detection for steel scrap and metal and fills
Put, this detection means high precision, motility is good, be easy to adjustment operation, at the same small volume, integrated level be high, environmental suitability by force,
Conveniently moving, can be used for the various steel scrap species detections of various industry spot.
Solving the technical scheme of above-mentioned technical problem is：
It is a kind of for steel scrap and the on-line quick detection device of metal, it is by laser instrument, detection path channels, optical fiber, light
Spectrometer, controller composition, the rear end for detecting path channels is connected with laser instrument front end, the light-emitting window of detection path channels front end and
Sample to be tested is relative, and the front end of optical fiber is connected to detects that the light-emitting window of path channels front end is relative with sample to be tested, and optical fiber is passed through
Detection path channels, the rear end of optical fiber is connected with spectrogrph, and laser instrument is also connected with the trigger mechanism of spectrogrph, laser instrument
It is connected with controller respectively with spectrogrph.
It is above-mentioned for steel scrap and the on-line quick detection device of metal, the detection path channels are by plus lens and lens
Adjustment structure, lens fiber support, the part of attachment structure three composition, plus lens is arranged in lens adjustment structure, lens light
Fine support is located at the front of lens adjustment structure, is connected by attachment structure between lens adjustment structure and lens fiber support,
The rear portion of optical fiber in the front portion of lens adjustment structure, optical fiber by being arranged on lens fiber support.
It is above-mentioned for steel scrap and the on-line quick detection device of metal, the lens adjustment structure includes mirror circle base, mirror
Circle, mirror circle locknut, mirror circle base is oblate cylinder, and mirror circle locknut is fixed on the central axis of mirror circle base, in mirror circle locknut
Wall is provided with female thread, and plus lens is fixed in mirror circle, and the outer surface of Jing Quan is provided with external screw thread, the external screw thread and mirror of Jing Quan
The female thread of circle locknut matches, and Jing Quan, to be threadedly coupled, also has optic fibre hole with mirror circle locknut on mirror circle base, optical fiber passes through light
Fine hole.
It is above-mentioned for steel scrap and the on-line quick detection device of metal, the lens fiber support includes structure of fiber_optic, light
Fine head the core of the card, the core of the card nut, structure of fiber_optic is located on the light direction of the Jing Quan of lens adjustment structure, and structure of fiber_optic is oblate post
Body, the flat its center axis of structure of fiber_optic and the oblate cylinder central axes of mirror circle base, have on structure of fiber_optic 13
Optical fiber head bore, the axis of optical fiber head bore has slanted angle with the axis of Jing Quan, and optical fiber head is arranged in optical fiber head the core of the card, the core of the card
Nut fixes on optical fiber head, and optical fiber head the core of the card is embedded in optical fiber head bore, and there is carriage center hole at structure of fiber_optic center, and Jing is converged
Laser after lens are converged passes through carriage center hole.
It is above-mentioned for steel scrap and the on-line quick detection device of metal, the attachment structure include three adjusting screw rods and with
Multiple locking nuts that each screw rod coordinates, the oblate cylinder both sides of structure of fiber_optic and lower central have three screw rods
Hole, the middle part of the oblate cylinder of mirror circle base and lower central have corresponding screw hole, the two ends of three adjusting screw rods
It is connected with the screw hole of structure of fiber_optic and mirror circle base respectively, locking nut is spun on adjusting screw rod.
It is above-mentioned for steel scrap and the on-line quick detection device of metal, the lens adjustment structure also includes two lens pads
Circle, eyeglass locknut, two eyeglass packing rings are arranged on the inwall of Jing Quan, and plus lens is located between two mirror eyeglass packing rings, mirror
There is screw thread on the outer wall of piece locknut, eyeglass locknut is screwed in the female thread of Jing Quan, and eyeglass locknut is fixed with plus lens.
The beneficial effects of the utility model are：
Detection path channels of the present utility model are connected with laser instrument front end, and the pulse laser for laser instrument to be sent draws
It is directed at the end light-emitting window of the detection path channels and excites sample to be tested to produce plasma, produce at sample to be tested etc.
Gas ions signal coupled transfer to spectrogrph, spectrogrph are connected with controller, controller spectral line information is carried out linewidth parameters,
Quantitative analyses, data base compare, to determine the classification of steel scrap and metal.
This utility model has the advantage that：
1st, this utility model light path part adopts various dimensions adjustment structure, and high precision, motility is good, can at any time adjust, adjust
Stationarity is strong after good, it is adaptable to variety classes composition detection；
2nd, this utility model device volume is little, integrated level is high, environmental suitability is strong, conveniently moving, can be used for various industry
The steel scrap species detection at scene；
3rd, this utility model can be used for quickly detecting to the steel scrap of all size in steel mill, shape, without the need for early stage sample preparation,
Safe and accurate display result；
4th, this utility model is simple to operate, full element is detected simultaneously, by can quickly carry out steel scrap with data base's contrast
Classification.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation for detecting path channels；
Fig. 3 is the left view of structure of fiber_optic；
Fig. 4 is eyeglass locknut schematic diagram；
Fig. 5 is the A-A sectional views of Fig. 4；
Fig. 6 is optical fiber head the core of the card schematic diagram；
Fig. 7 is the side view of Fig. 6.
Labelling is as follows in figure：Laser instrument 1, detection path channels 2, inflating nozzle 3, lens fiber support 4, plus lens 5,
Optical fiber 6, collimating lens 7, outlet valve 8, diaphragm 9, bell 10, spectrogrph 11, controller 12, structure of fiber_optic 13, optical fiber
Head the core of the card 14, the core of the card nut 15, adjusting screw rod 16, locking nut 17, mirror circle base 18, mirror circle 19, eyeglass packing ring 20, eyeglass lock
Female 21, mirror circle locknut 22, optic fibre hole 23, optical fiber head bore 24, screw hole 25, carriage center hole 26.
Specific embodiment
This utility model is made up of laser instrument 1, detection path channels 2, optical fiber 6, spectrogrph 11, controller 12.
Show in figure, basic structure of the present utility model is：The rear end of detection path channels 2 is connected with the front end of laser instrument 1,
The light-emitting window of detection path channels 2 front end is relative with sample to be tested, and the front end of optical fiber 6 is connected to detection path channels 2 front end
Light-emitting window is relative with sample to be tested, and optical fiber 6 is connected through detection path channels 2, the rear end of optical fiber with spectrogrph 11, laser instrument
1 is also connected with the trigger mechanism of spectrogrph 11, and laser instrument 1 and spectrogrph 11 are connected respectively with controller 12.
The effect of laser instrument 1 is to send pulse laser, and laser is irradiated on testing sample by detection path channels 2,
Testing sample detection faces inspire plasma signal, and plasma signal is first in analysis of spectra by optical fiber and spectrometer collection
The corresponding feature peak intensity of element can be for the qualitative and quantitative analyses of sample.Meanwhile, laser instrument 1 also with the spectrogrph
11 are connected, and are started by firing line triggering spectrogrph 11 for sending pulse signal while pulse laser is sent.
Detection path channels 2 go out light for the pulse laser that laser instrument 1 sends to be guided to the end of detection path channels 2
Mouth simultaneously excites sample to be tested to produce plasma, is additionally operable to the plasma signal coupling for assisting optical fiber 6 to produce at sample to be tested
Conjunction is transmitted to spectrogrph 11.
Show in figure, detection path channels 2 are by plus lens 5 and lens adjustment structure, lens fiber support 4, connection knot
The part of structure three constitutes.Plus lens 5 is arranged in lens adjustment structure, and lens fiber support 4 is located at before lens adjustment structure
Side, is connected between lens adjustment structure and lens fiber support 4 by attachment structure, and the rear portion of optical fiber 6 in lens by adjusting
Structure, the front portion of optical fiber 6 is arranged on lens fiber support 4.
Show in figure, lens adjustment structure is used to adjust the distance between plus lens 5 and sample so that sample just position
In the focal position of the plus lens 5, the plasma signal for inspiring is higher.Lens adjustment structure includes mirror circle base
18th, mirror circle 19, mirror circle locknut 22.Mirror circle base 18 is oblate cylinder, and mirror circle locknut 22 is fixed on the central shaft of mirror circle base 18
On line, the inwall of mirror circle locknut 22 is provided with female thread, and plus lens 5 is fixed in mirror circle 19, and the outer surface of mirror circle 19 is provided with
External screw thread, mirror circle 19 is by being threaded onto on the inwall of mirror circle locknut 22.Mirror circle 19 screws in the adjustable length of mirror circle locknut 22, when
The precession of mirror circle 19 distance it is shorter when, the position of plus lens 5 relatively rearward, i.e., the focus that laser is converged after plus lens 5
Position is rearward；Conversely, focus is forward.
Show in figure, lens adjustment structure also has eyeglass packing ring 20, eyeglass locknut 21.Two eyeglass packing rings 20 are arranged on mirror
On the inwall of circle 19, plus lens 5 is located between two mirror eyeglass packing rings 20, there is screw thread, eyeglass on the outer wall of eyeglass locknut 21
Locknut 21 is screwed in the female thread of mirror circle 19, and eyeglass locknut 21 is fixed with plus lens 5.There is light on mirror circle base 22
Fine hole 23, optical fiber 6 passes through optic fibre hole 23.
Show in figure, lens fiber support 4 includes structure of fiber_optic 13, optical fiber head the core of the card 14, the core of the card nut 15.Structure of fiber_optic
13 be located at lens adjustment structure mirror circle 19 light direction on, structure of fiber_optic 13 be oblate cylinder, structure of fiber_optic 13 it is oblate
The oblate cylinder central axes of cylinder central axis and mirror circle base 18.There are optical fiber head bore 24, optical fiber on structure of fiber_optic 13
The axis of head bore 24 has slanted angle with the axis of mirror circle 19.By the optical fiber head the core of the card of two semi-circular shape outside the head of optical fiber 6
14 embrace, then by entirety is with the rotational lock of the core of the card nut 15 and fixed position is in optical fiber head bore 24.The center of structure of fiber_optic 13
There is carriage center hole 26, the laser Jing after plus lens 5 is converged passes through carriage center hole 26.
Show in figure, multiple locking nuts 17 that attachment structure includes three adjusting screw rods 16 and coordinates with each screw rod,
The oblate cylinder both sides of structure of fiber_optic 13 and lower central have three screw holes 25, the oblate cylinder of mirror circle base 18
Middle part and lower central have a corresponding screw hole, the two ends of three adjusting screw rods 16 respectively with structure of fiber_optic 13 and Jing Quan
The screw hole 25 of base 18 is connected, and locking nut 17 is spun on screw rod 16.By being adjusted in synchronism each locking nut 17 so that
Structure of fiber_optic 13 is movable along adjusting screw rod 16.Its another kind of structure is to offer on mirror circle 19 and adjusting screw rod 16 pairs
The screw hole answered, one end of each adjusting screw rod 16 is inserted in the screw hole, and the other end is fixed on the structure of fiber_optic 13
On, by adjusting each locking nut 17 so that mirror circle 19 is moved along adjusting screw rod 16.The entire combination of attachment structure has to be led
Rail is acted on, and when laser spot is located at incident ray with gathering before light path intersection point, moving forward structure of fiber_optic 13 can be with front transfer
The close focus of point collects signal so as to high efficiency, otherwise is then moved rearwards by, and realizes distance between structure of fiber_optic 13 and plus lens 5
The change of length, you can move forward and backward the head of optical fiber 6, finds actual focal spot, the plasma letter that high efficiency coupling is inspired
Number.
Show in figure, structure of fiber_optic 13 is the end face of spheroid, is easy to carry out angular deflection, institute in detection path channels 2
Stating the locking nut 17 at structure of fiber_optic 13 can determine a plane with asynchronous regulation, three points so that structure of fiber_optic 13
Raw angular deflection, so as to change the angle of inclination of optical fiber 6, so as to have adjusted the collection angle of optical fiber head, is easy to finer, more accurate
Searching incident ray with collection light path intersection point.
Show in figure, detection path channels 2 also include inflating nozzle 3, outlet valve 8, optic fibre hole 23 and the head of optical fiber 6
The bell 10 of connected collimating lens 7, the diaphragm 9 positioned at detection path channels 2 front end and the connection of diaphragm 9.Diaphragm
9 are installed on detection path channels 2 front end, and the front end of diaphragm 9 is a bell 10, carries out testing sample and excites post plasma
The collection of signal.Diaphragm 9 adopts ultraviolet vitreous silica diaphragm, can be high to deep ultraviolet band signal saturating.
This utility model is the deep ultraviolet band for more accurately detecting lower loading after segregation system call interception is good
Signal, using the inflating nozzle 3 protective atmospheres such as argon are filled with, by the outlet valve 8 aerofluxuss, when insufflation gas concentration
I.e. salable two valves of predetermined standard time are reached, is detected；Also two valve open modes can be retained, frontier inspection is surveyed side and carried out
Flow-type inflation, aerofluxuss.
One embodiment part of devices of the present utility model is as follows：
Laser instrument 1 adopts Dawa-200 type pulse lasers, energy adjustable extent 0-200mJ is exported, by setting voltage
Value adjusts output energy.
Spectrogrph 11 adopts AvaSpec-ULS2048 series fibre spectrogrphs, and using multichannel splicing broadband is realized（Mesh
Front use wave band 175-750nm）, high-resolution signal detection, be capable of achieving steel scrap in from deep ultraviolet, the unit of visible infrared band
Plain spectral line spectral line detection.
Plus lens 5, collimating lens 7 are using the high ultraviolet vitreous silica lens of ultraviolet band transmitance.
Optical fiber 6 adopts uvioresistant exposure-processed optical fiber, can be to 180-600nm band signal high-efficiency transfers.
The course of work of the present utility model is as follows：
Laser instrument 1 sends pulse laser aim detecting path channels 2 and coaxial outgoing, through internal plus lens 5 and its
The convergence of his part and it is transferred at bell 10, in quasi- testing sample detection faces plasma signal is inspired, then passes through
The coupled transfers such as collimating lens 7, optical fiber 6 carry out spectral line process to spectrogrph 11, finally carry out final quantitative point by controller 12
Analysis, spectrum storehouse are to display of when classifying.
Claims (6)
1. a kind of for steel scrap and the on-line quick detection device of metal, it is characterised in that：It is by laser instrument（1）, detection light path
Passage（2）, optical fiber（6）, spectrogrph（11）, controller（12）Composition, detects path channels（2）Rear end and laser instrument（1）Before
End is connected, and detects path channels（2）The light-emitting window of front end is relative with sample to be tested, optical fiber（6）Front end be connected to detection light path
Passage（2）The light-emitting window of front end is relative with sample to be tested, optical fiber（6）Through detection path channels（2）, optical fiber（6）Rear end with
Spectrogrph（11）It is connected, laser instrument（1）Also with spectrogrph（11）Trigger mechanism be connected, laser instrument（1）And spectrogrph
（11）Respectively with controller（12）It is connected.
2. according to claim 1 for steel scrap and the on-line quick detection device of metal, it is characterised in that：The detection
Path channels（2）By plus lens（5）With lens adjustment structure, lens fiber support（4）, the part of attachment structure three composition, converge
Poly- lens（5）In lens adjustment structure, lens fiber support（4）Positioned at the front of lens adjustment structure, lens are adjusted
Structure and lens fiber support（4）Between be connected by attachment structure, optical fiber（6）Rear portion by lens adjustment structure, light
It is fine（6）Front portion be arranged on lens fiber support（4）On.
3. according to claim 2 for steel scrap and the on-line quick detection device of metal, it is characterised in that：The lens
Adjustment structure includes mirror circle base（18）, Jing Quan（19）, mirror circle locknut（22）, mirror circle base（18）For oblate cylinder, Jing Quan locks
It is female（22）It is fixed on mirror circle base（18）Central axis on, mirror circle locknut（22）Inwall is provided with female thread, plus lens（5）
It is fixed on Jing Quan（19）It is interior, Jing Quan（19）Outer surface be provided with external screw thread, Jing Quan（19）External screw thread and mirror circle locknut（22）
Female thread match, Jing Quan（19）With mirror circle locknut（22）For threaded connection, mirror circle base（18）It is upper to also have optic fibre hole（23）,
Optical fiber（6）Through optic fibre hole（23）.
4. according to claim 3 for steel scrap and the on-line quick detection device of metal, it is characterised in that：The lens
Structure of fiber_optic（4）Including structure of fiber_optic（13）, optical fiber head the core of the card（14）, the core of the card nut（15）, structure of fiber_optic（13）Positioned at lens
The Jing Quan of adjustment structure（19）Light direction on, structure of fiber_optic（13）For oblate cylinder, structure of fiber_optic（13）Oblate cylinder
Central axis and mirror circle base（18）Oblate cylinder central axes, structure of fiber_optic（13）On have optical fiber head bore（24）, light
Fine head bore（24）Axis and Jing Quan（19）Axis have slanted angle, optical fiber（6）Head is arranged on optical fiber head the core of the card（14）In,
The core of the card nut（15）By optical fiber（6）Head is fixed, optical fiber head the core of the card（14）It is embedded in optical fiber head bore（24）In, structure of fiber_optic（13）
There is carriage center hole at center（26）, Jing plus lens（5）Laser after convergence passes through carriage center hole（26）.
5. according to claim 4 for steel scrap and the on-line quick detection device of metal, it is characterised in that：The connection
Structure includes three adjusting screw rods（16）And the multiple locking nuts coordinated with each screw rod（17）, structure of fiber_optic（13）It is oblate
Cylinder both sides and lower central have three screw holes（25）, mirror circle base（18）Oblate cylinder middle part and bottom in
Centre has corresponding screw hole, three adjusting screw rods（16）Two ends respectively with structure of fiber_optic（13）With mirror circle base（18）
Screw hole（25）It is connected, locking nut（17）It is spun on adjusting screw rod（16）On.
6. according to claim 5 for steel scrap and the on-line quick detection device of metal, it is characterised in that：The lens
Adjustment structure also includes two eyeglass packing rings（20）, eyeglass locknut（21）, two eyeglass packing rings（20）Installed in Jing Quan（19）'s
On inwall, plus lens（5）Positioned at two eyeglass packing rings（20）Between, eyeglass locknut（21）Outer wall on have a screw thread, eyeglass lock
It is female（21）It is screwed into Jing Quan（19）Female thread in, eyeglass locknut（21）With plus lens（5）It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188608.2U CN206132627U (en) | 2016-10-28 | 2016-10-28 | A online quick detection device for steel scrap and metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188608.2U CN206132627U (en) | 2016-10-28 | 2016-10-28 | A online quick detection device for steel scrap and metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132627U true CN206132627U (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621188608.2U Withdrawn - After Issue CN206132627U (en) | 2016-10-28 | 2016-10-28 | A online quick detection device for steel scrap and metal |
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| Country | Link |
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| CN (1) | CN206132627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468660A (en) * | 2016-10-28 | 2017-03-01 | 河钢股份有限公司 | A kind of on-line quick detection device for steel scrap and metal |
-
2016
- 2016-10-28 CN CN201621188608.2U patent/CN206132627U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468660A (en) * | 2016-10-28 | 2017-03-01 | 河钢股份有限公司 | A kind of on-line quick detection device for steel scrap and metal |
| CN106468660B (en) * | 2016-10-28 | 2024-03-22 | 河钢股份有限公司 | Online rapid detection device for scrap steel and metal |
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