CN112858190A - Device for assisting direct-reading spectrometer in component detection - Google Patents
Device for assisting direct-reading spectrometer in component detection Download PDFInfo
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- CN112858190A CN112858190A CN202110352287.4A CN202110352287A CN112858190A CN 112858190 A CN112858190 A CN 112858190A CN 202110352287 A CN202110352287 A CN 202110352287A CN 112858190 A CN112858190 A CN 112858190A
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 230000005284 excitation Effects 0.000 claims abstract description 58
- 239000002184 metal Substances 0.000 claims abstract description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 230000003595 spectral effect Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 22
- 238000005057 refrigeration Methods 0.000 claims description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0202—Mechanical elements; Supports for optical elements
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention provides a device for assisting a direct-reading spectrometer in component detection, which comprises a base and an excitation table, wherein the excitation table is detachably connected with the base; the base is provided with an excitation unit, the excitation table is provided with a generation cover, the excitation unit is sleeved in the generation cover, the top of the generation cover is provided with an opening, a metal sample to be tested is placed at the opening and covers the opening, and the metal sample to be tested generates a characteristic spectral line after being excited by the excitation unit; the device also comprises a gas protection unit and an optical channel, wherein the gas protection unit is used for providing a gas protection environment in the excitation process. The invention has the beneficial effects that: the device for assisting the direct-reading spectrometer to detect the components has the advantages of simple structure, convenience in use and operation, short assisting time and high measuring efficiency, and can realize the chemical component detection of metal samples to be detected with different sizes on the direct-reading spectrometer.
Description
Technical Field
The invention belongs to the field of component detection, and particularly relates to a device for assisting a direct-reading spectrometer in component detection.
Background
The direct-reading spectrometer is widely applied to the fields of casting, steel and iron recovery, metal recovery, smelting, aerospace, electric power, chemical engineering and the like. The direct-reading spectrometer is one of the common methods for analyzing metal materials in modern enterprises, and has the characteristics of rapidness, accuracy, high precision and the like in production practice, so that a device for assisting the direct-reading spectrometer in component detection is urgently needed.
Disclosure of Invention
In view of the above, the present invention is directed to a device for assisting a direct-reading spectrometer to perform component detection, so as to solve the above-mentioned disadvantages.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a device for assisting a direct-reading spectrometer in component detection comprises a base and an excitation table, wherein the excitation table is detachably connected with the base;
the base is provided with an excitation unit, the excitation table is provided with a generation cover, the excitation unit is sleeved in the generation cover, the top of the generation cover is provided with an opening, a metal sample to be tested is placed at the opening and covers the opening, and the metal sample to be tested generates a characteristic spectral line after being excited by the excitation unit;
the device also comprises a gas protection unit and an optical channel, wherein the gas protection unit is used for providing a gas protection environment in the excitation process;
the characteristic spectral line generated in the generating cover is introduced into a light splitting chamber of the direct-reading spectrometer through an optical channel, and the intensity of the selected inner marked line and the analysis line is measured after the spectrum is decomposed by a dispersion element in the light splitting chamber.
Furthermore, the excitation table is internally provided with a cavity, a refrigeration cavity is formed between the cavity and the generation cover, and the excitation table further comprises a water cooling unit, wherein the water cooling unit is used for refrigerating the refrigeration cavity so as to take away heat generated by the excitation unit in the working process.
Furthermore, the water cooling unit comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is connected with an external refrigeration water source, and the water inlet pipe and the water outlet pipe are respectively arranged on the opposite sides of the excitation table.
Furthermore, the gas protection unit comprises a gas inlet pipe and a gas outlet pipe, the gas inlet pipe is connected with an external argon gas source, and the gas outlet pipe is connected with an external vacuum pump and is used for being matched with the gas inlet pipe to discharge air in the generating cover;
the inner diameter of the air inlet pipe is larger than that of the air outlet pipe.
The metal sample detection device is characterized by further comprising a pressing unit, wherein the pressing unit comprises a vertical rod and a horizontal rod, the bottom of the vertical rod is arranged on the base, the top of the vertical rod is rotatably connected with the horizontal rod, an installation hole is formed in one end, far away from the vertical rod, of the horizontal rod, a vertical pressing rod is arranged in the installation hole, a rubber gasket is arranged at the bottom of the pressing rod and used for pressing the metal sample to be detected downwards so as to prevent the metal sample to be detected from having a gap with an opening in the top of the generating cover;
and a puller bolt is further arranged on the side of the pressing rod and used for fixing the position of the pressing rod from the side.
Further, still include supplementary metal sheet, be provided with the recess that holds that is used for holding the element that awaits measuring on the supplementary metal sheet, the shape that holds in the recess matches with the appearance of the element that awaits measuring, and supplementary metal sheet is the same with the material of the element that awaits measuring.
Furthermore, a through guide groove is formed in the base, a corresponding guide block is arranged at the bottom of the excitation table, and the guide block extends into the guide groove.
Compared with the prior art, the device for assisting the direct-reading spectrometer in component detection has the following beneficial effects:
(1) the device for assisting the direct-reading spectrometer in component detection has the advantages of simple structure, convenience in use and operation, short assisting time and high measuring efficiency, and can realize the chemical component detection of metal samples to be detected with different sizes on the direct-reading spectrometer.
(2) The device for assisting the direct-reading spectrometer in component detection is provided with the auxiliary metal plate, and the tool can be used for realizing the detection of chemical components of small-size nuts (the side length is more than or equal to 8mm and less than or equal to 16mm) on the direct-reading spectrometer.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic overall view of an apparatus for assisting a direct-reading spectrometer in component detection according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an apparatus for assisting a direct-reading spectrometer in detecting components according to an embodiment of the present invention;
FIG. 3 is a partial schematic view of an apparatus for assisting a direct-reading spectrometer in component detection according to an embodiment of the present invention;
fig. 4 is an overall schematic view of an auxiliary metal plate of an apparatus for assisting a direct-reading spectrometer in component detection according to an embodiment of the present invention;
FIG. 5 is a partial schematic view of an auxiliary metal plate of an apparatus for assisting a direct-reading spectrometer in component detection according to an embodiment of the present invention;
FIG. 6 is a bottom view of a device base for assisting a direct-reading spectrometer in component detection according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a small-sized nut to be tested according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of an inclined groove of an auxiliary metal plate according to an embodiment of the present invention;
fig. 9 is an overall schematic view of the assembled auxiliary metal plate according to the embodiment of the present invention.
Description of reference numerals:
1-a base; 11-a guide groove; 2-an excitation stage; 21-water inlet pipe; 22-water outlet pipe; 23-an air inlet pipe; 24-an air outlet pipe; 25-vertical rod; 26-horizontal bar; 27-a guide block; 261-mounting holes; 262-a hold down bar; 263-rubber gasket; 27-tightening the bolt; 3-an excitation unit; 31-a generating hood; 4-an auxiliary metal plate; 41-accommodating grooves; 5-light channel.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 6, an apparatus for assisting a direct-reading spectrometer to perform component detection includes a base 1 and an excitation stage 2, wherein the excitation stage 2 is detachably connected to the base 1;
the base 1 is provided with an excitation unit 3, the excitation table 2 is provided with a generation cover 31, the excitation unit 3 is sleeved in the generation cover 31, the top of the generation cover 31 is provided with an opening, a metal sample to be tested is placed at the opening and covers the opening, and the metal sample to be tested generates a characteristic spectral line after being excited by the excitation unit 3;
the device also comprises a gas protection unit and an optical channel 5, wherein the gas protection unit is used for providing a gas protection environment in the excitation process;
the characteristic spectral line generated in the generating hood 31 is introduced into a light splitting chamber of the direct-reading spectrometer through the optical channel 5, and the intensity of the selected inner marked line and the analysis line is measured after the spectrum is decomposed by a dispersion element in the light splitting chamber.
The excitation table 2 is internally provided with a cavity, a refrigeration cavity is formed between the cavity and the generation cover 31, and the excitation table further comprises a water cooling unit, wherein the water cooling unit is used for refrigerating the refrigeration cavity so as to take away heat generated by the excitation unit 3 in the working process.
The water cooling unit comprises a water inlet pipe 21 and a water outlet pipe 22, the water inlet pipe 21 is connected with an external refrigeration water source, and the water inlet pipe 21 and the water outlet pipe 22 are respectively arranged on the opposite sides of the excitation table 2.
The gas protection unit comprises a gas inlet pipe 23 and a gas outlet pipe 24, the gas inlet pipe 23 is connected with an external argon gas source, and the gas outlet pipe 24 is connected with an external vacuum pump and is used for being matched with the gas inlet pipe 23 to discharge air in the generating cover 31;
the inner diameter of the inlet pipe 23 is larger than that of the outlet pipe 24.
The device is also provided with a pressing unit, the pressing unit comprises a vertical rod 25 and a horizontal rod 26, the bottom of the vertical rod 25 is arranged on the base 1, the top of the vertical rod 25 is rotatably connected with the horizontal rod 26, one end of the horizontal rod 26, which is far away from the vertical rod 25, is also provided with a mounting hole 261, a vertical pressing rod 262 is arranged in the mounting hole 261, and the bottom of the pressing rod 262 is provided with a rubber gasket 263 which is used for pressing the metal sample to be detected downwards so as to prevent the metal sample to be detected from having a gap with the opening at the top of the generating cover 31;
the pressing rod 262 is also provided with a puller bolt 27 at the side, and the puller bolt 27 is used for fixing the position of the pressing rod 262 from the side.
Still include supplementary metal sheet 4, be provided with the holding recess 41 that is used for holding the element that awaits measuring on supplementary metal sheet 4, the shape in holding recess 41 matches with the appearance of the element that awaits measuring, supplementary metal sheet 4 is the same with the material of the element that awaits measuring.
The base 1 is also provided with a through guide groove 11, the bottom of the excitation table 2 is provided with a corresponding guide block 27, and the guide block 27 extends into the guide groove 11.
In the using process, the excitation table 2 is firstly arranged on the base 1, the excitation table 2 is detachably connected with the base 1, the laser table is convenient to detach, the equipment maintenance is convenient, and meanwhile, the excitation tables 2 of different material types can be replaced according to the specific detection requirement;
the base 1 is connected with an excitation unit 3, the excitation unit 3 is the same type of excitation unit 3 of an ARL direct-reading spectrometer produced by Thermo, but not limited to, the excitation principle of the excitation unit 3 on a component to be measured in the scheme is the same as that of the ARL direct-reading spectrometer, meanwhile, the scheme introduces a characteristic spectral line generated in a generating cover 31 into a light splitting chamber of the direct-reading spectrometer through an optical channel 5, the prior art is adopted for measuring the intensity of a selected inner marked line and an analysis line after the spectrum is decomposed by a dispersion element in the light splitting chamber, and the scheme is not an innovative improvement point of the scheme and is an improvement on the problems existing in the same and similar type equipment in the process of using the ARL direct-reading spectrometer produced by Thermo;
because the excitation unit 3 is easy to generate heat in the working process, the cooling unit is optimized by the scheme, and specifically comprises a water inlet pipe 21 and a water outlet pipe 22, the water inlet pipe 21 is connected with an external refrigeration water source, the cavity of the excitation table 2 is ensured to be filled with refrigeration water through the water inlet pipe 21, and the refrigeration water is wrapped on the generation cover 31, so that the generation cover 31 and the generation cover 31 are cooled, and the generation cover 31 is not communicated with the inside of the cavity of the excitation table 2;
meanwhile, high-purity argon is used as protective gas in the working process, so that the technical scheme is as follows: including intake pipe 23 and outlet duct 24, intake pipe 23 is connected with external argon gas source, and outlet duct 24 is used for cooperating intake pipe 23 will take place the air escape in the cover 31, and the internal diameter of intake pipe 23 is greater than the internal diameter of outlet duct 24 simultaneously and is convenient for improve exhaust effect.
The pressing unit is designed to press the metal sample to be measured downward to prevent the metal sample to be measured from having a gap with the opening at the top of the generating cover 31.
In another embodiment, because the existing direct-reading spectrometer detection system is complex, the size and the external dimension of the metal sample to be detected have special requirements, namely the size of the metal sample is required to be a flat, clean, burn-free and rustless analysis plane (the diameter of an excitation point is 8mm), the diameter of the metal sample is required to be more than or equal to 16mm and less than or equal to 75mm, and the thickness of the metal sample is required to be more than or equal to 2mm and less than or equal to 80 mm.
The analysis plane needs to be pretreated by grinding, polishing and the like so as to ensure that no air can leak between the metal sample and the analysis frame. The small-size nut (the side length is more than or equal to 8mm or the height is less than or equal to 16mm) cannot be detected on the direct-reading spectrometer, and only other detection methods can be searched, so that the working efficiency is reduced, and the production cost is increased.
Therefore, in view of the above problems, the auxiliary metal plate 4 proposed in the present embodiment solves the above problems, and the specific solution is as follows: the design idea of the auxiliary metal plate 4 considers that the small-size nut cannot be processed into a plane with the diameter larger than 16mm, but the analysis can be carried out as long as the diameter of an excitation point of a detection sample is larger than or equal to 8mm, the inner wall of the tool is closed, and air does not leak.
The auxiliary metal plate 4 is composed of a metal plate with an inclined groove, a matching seal ring and a small-size nut. According to the material and the overall dimension of the small-size nut, a metal plate which is provided with an inclined groove (the size of the inclined groove is matched with the overall dimension of the nut) and the thickness of which is not more than the thickness of the nut is made of the same raw material, the nut is placed in the inclined groove as shown in figure 1, meanwhile, in order to prevent air leakage, the nut and the metal plate are sealed by a sealing ring, and the chemical component detection of the small-size nut on a direct-reading spectrometer can be realized by means of the effect of an auxiliary metal plate 4.
The present solution is described in further detail below with reference to the accompanying drawings. Fig. 7 is a schematic view of a small-sized nut according to the scheme, wherein a, b and c represent the length, height and thickness of the small-sized nut respectively.
Fig. 8 is a schematic view of the inclined grooves of the metal plate of the auxiliary metal plate 4, wherein a and b represent the length and width of the inclined grooves, respectively, and correspond to a and b in fig. 7 one by one, and are equal in value;
in fig. 9, the length of the auxiliary metal plate 4 ranges from 40mm to 70mm and is greater than a, the width ranges from 40mm to 70mm and is greater than b, and the height is consistent with the thickness c of the small-sized nut to be measured.
The selection of the raw materials of the auxiliary metal plate 4 is the same as the material of the small-sized nut to be measured, the metal plate with the inclined groove is manufactured according to the overall dimension of the small-sized nut to be measured, a heat treatment mode of quenching and tempering is selected, the bottom surface of a hole (the length of the hole is the length of the small-sized nut) of the metal plate is subjected to pretreatment of grinding, polishing and the like by adopting equipment such as a grinding machine, a sand paper grinding disc or a sand belt grinding machine, and finally the metal plate is processed into a flat, clean, burn-free and rustless analysis plane. And a sealing ring is arranged at the joint of the inclined groove and the small-size nut for sealing. And finally, aligning the small-sized nut in the tool to a hole of an analysis frame of the direct-reading spectrometer to detect the chemical components of the small-sized nut.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a supplementary direct-reading spectrometer carries out device that composition detected which characterized in that: comprises a base (1) and an excitation table (2), wherein the excitation table (2) is detachably connected with the base (1);
the excitation unit (3) is arranged on the base (1), the excitation table (2) is provided with the generation cover (31), the excitation unit (3) is sleeved in the generation cover (31), the top of the generation cover (31) is provided with an opening, a metal sample to be tested is placed at the opening and covers the opening, and the metal sample to be tested is excited by the excitation unit (3) to generate a characteristic spectral line;
the device also comprises a gas protection unit and an optical channel (5), wherein the gas protection unit is used for providing a gas protection environment in the excitation process;
the characteristic spectral line generated in the generating cover (31) is introduced into a light splitting chamber of the direct-reading spectrometer through an optical channel (5), and the intensity of the selected inner marked line and the analysis line is measured after the spectrum is decomposed through a dispersion element in the light splitting chamber.
2. The apparatus of claim 1, wherein the apparatus for assisting direct-reading spectrometer in component detection comprises: the excitation table (2) is internally provided with a cavity, a refrigeration cavity is formed between the cavity and the generation cover (31), and the excitation table further comprises a water cooling unit, wherein the water cooling unit is used for refrigerating the refrigeration cavity so as to take away heat generated by the excitation unit (3) in the working process.
3. The apparatus of claim 2, wherein the apparatus for assisting direct-reading spectrometer in component detection comprises: the water cooling unit comprises a water inlet pipe (21) and a water outlet pipe (22), the water inlet pipe (21) is connected with an external refrigeration water source, and the water inlet pipe (21) and the water outlet pipe (22) are respectively arranged on the opposite sides of the excitation table (2).
4. The apparatus of claim 1, wherein the apparatus for assisting direct-reading spectrometer in component detection comprises: the gas protection unit comprises a gas inlet pipe (23) and a gas outlet pipe (24), the gas inlet pipe (23) is connected with an external argon gas source, and the gas outlet pipe (24) is connected with an external vacuum pump and is used for being matched with the gas inlet pipe (23) to discharge air in the generating cover (31);
the inner diameter of the air inlet pipe (23) is larger than that of the air outlet pipe (24).
5. The apparatus of claim 1, wherein the apparatus for assisting direct-reading spectrometer in component detection comprises: the device is also provided with a pressing unit, the pressing unit comprises a vertical rod (25) and a horizontal rod (26), the bottom of the vertical rod (25) is arranged on the base (1), the top of the vertical rod (25) is rotatably connected with the horizontal rod (26), one end, far away from the vertical rod (25), of the horizontal rod (26) is further provided with a mounting hole (261), a vertical pressing rod (262) is arranged in the mounting hole (261), the bottom of the pressing rod (262) is provided with a rubber gasket (263) for pressing the metal sample to be tested downwards so as to prevent the metal sample to be tested from having a gap with the opening in the top of the generating cover (31);
and a puller bolt (27) is further arranged on the side of the pressing rod (262), and the puller bolt (27) is used for fixing the position of the pressing rod (262) from the side.
6. The apparatus of claim 1, wherein the apparatus for assisting direct-reading spectrometer in component detection comprises: still include supplementary metal sheet (4), be provided with on supplementary metal sheet (4) and be used for holding the holding recess (41) of the component that awaits measuring, the shape in holding recess (41) matches with the appearance of the component that awaits measuring, supplementary metal sheet (4) are the same with the material of the component that awaits measuring.
7. The apparatus of claim 1, wherein the apparatus for assisting direct-reading spectrometer in component detection comprises: the base (1) is also provided with a through guide groove (11), the bottom of the excitation table (2) is provided with a corresponding guide block (27), and the guide block (27) extends into the guide groove (11).
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| CN202110352287.4A CN112858190A (en) | 2021-03-31 | 2021-03-31 | Device for assisting direct-reading spectrometer in component detection |
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| CN202110352287.4A CN112858190A (en) | 2021-03-31 | 2021-03-31 | Device for assisting direct-reading spectrometer in component detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607655A (en) * | 2021-08-03 | 2021-11-05 | 广东韶钢松山股份有限公司 | Online automatic detection method for nitrogen content in steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607655A (en) * | 2021-08-03 | 2021-11-05 | 广东韶钢松山股份有限公司 | Online automatic detection method for nitrogen content in steel |
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