CN103822810A - Preparation method of sample for optical direct-reading spectrometer - Google Patents
Preparation method of sample for optical direct-reading spectrometer Download PDFInfo
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- CN103822810A CN103822810A CN201410062797.8A CN201410062797A CN103822810A CN 103822810 A CN103822810 A CN 103822810A CN 201410062797 A CN201410062797 A CN 201410062797A CN 103822810 A CN103822810 A CN 103822810A
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Abstract
The invention provides a preparation method of a sample for an optical direct-reading spectrometer. The preparation method comprises the following steps: cutting off a predetermined length of a sample blank material from a sample to be measured; and flattening the sample blank material along the length direction of the sample blank material or along the direction vertical to the length direction of the sample blank material so as to obtain the sample capable of completely covering an excitation opening of a spark table of the optical direct-reading spectrometer. The invention provides an optical direct-reading spectrometer-dedicated sample preparation method for a round wire rod with the original size or diameter being less than diameter of the excitation opening of the spark table of the optical direct-reading spectrometer and a highly processed product. The preparation method is of great significance for guaranteeing product quality.
Description
Technical field
The present invention relates to ferrous materials analysis field field, more particularly, relate to a kind of method of preparing photoelectric direct-reading spectrograph sample.
Background technology
Whether photoelectric direct-reading spectrograph meets production requirement for quantitatively analyzing material composition, is quality control method important in steel industry production run.The primary link of direct reading spectrometry process is exactly sample preparation, and sample preparation process, for first intercepting, is then being polished and obtained photoelectric direct-reading spectrograph sample institute's sample thief at present.
But, if the original size of sample or diameter are less than the spark table exciting port diameter d of (claiming to excite again hole), the sample obtaining through existing disposal route is owing to the exciting port of photoelectric direct-reading spectrograph spark table can not being covered completely, can cause excitation chamber gas leakage, be difficult to realize elimination of Blank for Analysis.And the widely used coil rod in market and diameter of rod great majority are all less than d, part coil rod diameter after downstream user drawing processing is less, thereby in the time need to being less than the coil rod of d and coil rod drawing product and carrying out constituent analysis diameter, sample preparation just becomes an insoluble problem.Therefore design the preparation method of sample that a kind of applicable diameter is less than the coil rod of d and deep processed product and is applicable to elimination of Blank for Analysis, significant for the assurance of product quality.
Summary of the invention
For the deficiencies in the prior art, one of object of the present invention is to solve the one or more problems that exist in above-mentioned prior art.
One of object of the present invention is to provide the coil rod of the spark table exciting port diameter that a kind of applicable diameter is less than photoelectric direct-reading spectrograph and deep processed product preparation to be applicable to the method for the sample of elimination of Blank for Analysis.
To achieve these goals, the invention provides the preparation method of a kind of photoelectric direct-reading spectrograph sample.Described preparation method comprises the following steps: cut the sample blank of predetermined length from testing sample; Along the length direction of sample blank or along described sample blank being flattened perpendicular to the direction of sample charge length direction, with the sample that obtains the spark table exciting port of photoelectric direct-reading spectrograph to be covered completely.
The preparation method's of sample a embodiment for photoelectric direct-reading spectrograph according to the present invention, described testing sample is the round steel that diameter is less than the diameter of the spark table exciting port of described photoelectric direct-reading spectrograph.
The preparation method's of sample a embodiment for photoelectric direct-reading spectrograph according to the present invention, described preparation method specifically comprises the following steps: from round steel to be measured, intercepted length is greater than the sample blank of the diameter of the spark table exciting port of described photoelectric direct-reading spectrograph, diametric(al) along described sample blank is flattened sample blank, obtains the rectangular specimen that long limit and minor face are all greater than the diameter of described spark table exciting port.
The preparation method's of sample a embodiment for photoelectric direct-reading spectrograph according to the present invention, the diameter of the spark table exciting port of described photoelectric direct-reading spectrograph is 10mm, the diameter of described round steel to be measured is not more than 7mm.
The preparation method's of sample a embodiment for photoelectric direct-reading spectrograph according to the present invention, described preparation method specifically comprises the following steps: intercept the sample blank of predetermined length from round steel to be measured, along the length direction of described sample blank, sample blank is flattened and obtains the sample that diameter is greater than the diameter of the spark table exciting port of described photoelectric direct-reading spectrograph.
The preparation method's of sample a embodiment for photoelectric direct-reading spectrograph according to the present invention, described preparation method also comprises that the sample that described flattening is obtained is embedded on inlay, and grinds the step of rear taking-up.
Compared with prior art, beneficial effect of the present invention comprises: the coil rod and the deep processed product that are less than the exciting port diameter d of photoelectric direct-reading spectrograph spark table for original size or diameter provide a kind of method of preparing photoelectric direct-reading spectrograph sample, significant to the assurance of product quality.
Accompanying drawing explanation
By the description of carrying out below in conjunction with accompanying drawing, above and other object of the present invention and feature will become apparent, wherein:
Fig. 1 shows the preparation method's of the photoelectric direct-reading spectrograph sample of exemplary embodiment of the present sample blank schematic diagram.
Fig. 2 is by the schematic diagram of the sample obtaining after the flattening of the blank of sample shown in Fig. 1.
Fig. 3 is the schematic diagram of inlaying sample obtaining after the sample in Fig. 2 is embedded on inlay.
Fig. 4 is by the schematic diagram after inlaying sample and grind in Fig. 3.
Fig. 5 is the schematic diagram after inlay takes out by the sample in Fig. 4.
Description of reference numerals:
1-sample blank, 2-sample and 3-inlay.
Embodiment
Hereinafter, describe in connection with accompanying drawing and exemplary embodiment the preparation method who uses sample according to photoelectric direct-reading spectrograph according to the present invention in detail.
Fig. 1 is the preparation method's of the photoelectric direct-reading spectrograph sample of exemplary embodiment of the present sample blank schematic diagram.Fig. 2 is the sample schematic diagram obtaining after the blank of sample shown in Fig. 1 is flattened.Fig. 3 is the schematic diagram of inlaying sample obtaining after the sample in Fig. 2 is embedded on inlay.Fig. 4 is by the schematic diagram after inlaying sample and grind in Fig. 3.Fig. 5 is the schematic diagram after inlay takes out by the sample in Fig. 4.
In one exemplary embodiment, the diameter d of the spark table exciting port of photoelectric direct-reading spectrograph is 10mm, the diameter of testing sample is less than in the diameter d of the spark table exciting port of photoelectric direct-reading spectrograph, the diameter of for example testing sample is 3～4mm, the preparation method of sample for photoelectric direct-reading spectrograph according to an exemplary embodiment of the present invention, its main preparation process as shown in Figures 1 to 5, comprises the following steps:
1) as shown in Figure 1 and Figure 2, from testing sample, intercepted length L is greater than the sample blank 1(of d or is called original sample), then along the diametric(al) of the sample blank direction of sample charge length direction (perpendicular to), sample blank is flattened to width W and is greater than d, obtain the block sample that long limit and minor face are all greater than the diameter d of spark table exciting port.
2) as shown in Figure 3, use discarded inlay 3 sample 2 after flattening to be carried out to one side is coated to be inlayed, inlay height so that hand-held polishing is advisable.
3) as shown in Figure 4, sample 2 exposed side are ground, make its surfacing bright and clean, milling apparatus can adopt abrasive machine, abrasive paper abrading disk, amary tape grinding machine etc.
4) as shown in Figure 5, fragmentation is inlayed sample and is taken out sample 2, by clean sample 2 clean and oven dry, goes for elimination of Blank for Analysis.
Above labor the preparation method of sample for photoelectric direct-reading spectrograph of exemplary embodiment of the present, but the invention is not restricted to this, in described step 1), can also intercept from round steel to be measured the sample blank of predetermined length, along the length direction of sample blank, sample blank be flattened and obtains the sample that diameter is greater than the diameter d of the spark table exciting port of photoelectric direct-reading spectrograph.Further, be not more than 7mm if inventor finds the diameter of round steel to be measured, adopt the mode of flattening along charge length direction unstable, therefore, preferably adopt the mode of rectangular specimen processed as shown in Figures 1 to 5 to prepare sample.
In addition, testing sample is also not limited to round steel, can also be for other original sizes are less than the sample that the spark table exciting port diameter d of photoelectric direct-reading spectrograph can not cover exciting port completely, innovative point of the present invention is testing sample to flatten to process to obtain the sample that the exciting port of photoelectric direct-reading spectrograph spark table can be covered completely.
The method according to this invention, the coil rod and the bar that in process of production diameter are less than to the exciting port diameter d of photoelectric direct-reading spectrograph spark table carry out sample preparation, whether meet production requirement by photoelectric direct-reading spectrograph quantitatively analyzing material composition, guarantee product quality.Coil rod deep processed product is carried out to sample preparation, by photoelectric direct-reading spectrograph quantitatively analyzing material composition, for user produce and quality problems data supporting is provided.
Can find out, the invention provides the method for the block sample of a kind of applicable small dimension sample preparation photoelectric direct-reading spectrograph, for small dimension and deep processed product provide sample to prepare solution by direct-reading spectrometer analyzing chemical composition, and improve plant factor, recycle discarded inlay, low-carbon environment-friendly.
Although above by having described the present invention in conjunction with exemplary embodiment, it will be apparent to those skilled in the art that in the case of not departing from the spirit and scope that claim limits, can carry out various modifications and change to exemplary embodiment of the present invention.
Claims (6)
1. a preparation method for sample for photoelectric direct-reading spectrograph, is characterized in that, described preparation method comprises the following steps:
Cut the sample blank of predetermined length from testing sample;
Along the length direction of sample blank or along described sample blank being flattened perpendicular to the direction of sample charge length direction, with the sample that obtains the spark table exciting port of photoelectric direct-reading spectrograph to be covered completely.
2. the preparation method of sample for photoelectric direct-reading spectrograph according to claim 1, is characterized in that, described testing sample is the round steel that diameter is less than the diameter of the spark table exciting port of described photoelectric direct-reading spectrograph.
3. the preparation method of sample for photoelectric direct-reading spectrograph according to claim 2, is characterized in that, described preparation method specifically comprises the following steps:
From round steel to be measured, intercepted length is greater than the sample blank of the diameter of the spark table exciting port of described photoelectric direct-reading spectrograph, diametric(al) along described sample blank is flattened sample blank, obtains the rectangular specimen that long limit and minor face are all greater than the diameter of described spark table exciting port.
4. the preparation method of sample for photoelectric direct-reading spectrograph according to claim 3, is characterized in that, the diameter of the spark table exciting port of described photoelectric direct-reading spectrograph is 10mm, and the diameter of described round steel to be measured is not more than 7mm.
5. the preparation method of sample for photoelectric direct-reading spectrograph according to claim 2, is characterized in that, described preparation method specifically comprises the following steps:
Intercept the sample blank of predetermined length from round steel to be measured, along the length direction of described sample blank, sample blank is flattened, obtain the sample that diameter is greater than the diameter of the spark table exciting port of described photoelectric direct-reading spectrograph.
6. the preparation method of sample for photoelectric direct-reading spectrograph according to claim 1, is characterized in that, described preparation method also comprises that the sample that described flattening is obtained is embedded on inlay, and grinds the step of rear taking-up.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410062797.8A CN103822810A (en) | 2014-02-24 | 2014-02-24 | Preparation method of sample for optical direct-reading spectrometer |
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| CN201410062797.8A CN103822810A (en) | 2014-02-24 | 2014-02-24 | Preparation method of sample for optical direct-reading spectrometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297170A (en) * | 2014-10-22 | 2015-01-21 | 合肥卓越分析仪器有限责任公司 | Waste gas treatment device of photoelectric direct-reading spectrometer |
| CN104316376A (en) * | 2014-10-22 | 2015-01-28 | 合肥卓越分析仪器有限责任公司 | Specimen preparation technology for photoelectric direct-reading spectrograph |
| CN107525701A (en) * | 2017-09-01 | 2017-12-29 | 陕钢集团汉中钢铁有限责任公司 | A kind of processing method of direct-reading spectrometer test small dimension steel sample |
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| US3563657A (en) * | 1968-08-09 | 1971-02-16 | Univ Iowa State Res Found Inc | Direct-reading spectrometer system and method for narrow range measurements |
| CA2142351A1 (en) * | 1993-06-15 | 1994-12-22 | Patrick Mauchien | Isotopic analysis method using optical emission spectrometry on laser-generated plasma |
| CN102359957A (en) * | 2011-07-18 | 2012-02-22 | 永兴特种不锈钢股份有限公司 | Method for analyzing small-section metal sample through direct reading spectrometry |
| CN102692425A (en) * | 2012-06-28 | 2012-09-26 | 武汉大学 | T/P91 steel ageing rating method based on precipitated phase fractional area |
| CN102954976A (en) * | 2011-08-19 | 2013-03-06 | 鞍钢股份有限公司 | Method for quantitatively examining center segregations of wire rod |
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2014
- 2014-02-24 CN CN201410062797.8A patent/CN103822810A/en active Pending
Patent Citations (5)
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| US3563657A (en) * | 1968-08-09 | 1971-02-16 | Univ Iowa State Res Found Inc | Direct-reading spectrometer system and method for narrow range measurements |
| CA2142351A1 (en) * | 1993-06-15 | 1994-12-22 | Patrick Mauchien | Isotopic analysis method using optical emission spectrometry on laser-generated plasma |
| CN102359957A (en) * | 2011-07-18 | 2012-02-22 | 永兴特种不锈钢股份有限公司 | Method for analyzing small-section metal sample through direct reading spectrometry |
| CN102954976A (en) * | 2011-08-19 | 2013-03-06 | 鞍钢股份有限公司 | Method for quantitatively examining center segregations of wire rod |
| CN102692425A (en) * | 2012-06-28 | 2012-09-26 | 武汉大学 | T/P91 steel ageing rating method based on precipitated phase fractional area |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297170A (en) * | 2014-10-22 | 2015-01-21 | 合肥卓越分析仪器有限责任公司 | Waste gas treatment device of photoelectric direct-reading spectrometer |
| CN104316376A (en) * | 2014-10-22 | 2015-01-28 | 合肥卓越分析仪器有限责任公司 | Specimen preparation technology for photoelectric direct-reading spectrograph |
| CN107525701A (en) * | 2017-09-01 | 2017-12-29 | 陕钢集团汉中钢铁有限责任公司 | A kind of processing method of direct-reading spectrometer test small dimension steel sample |
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Application publication date: 20140528 |