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Thermal mosaic analysis of small-diameter wires by direct-reading spectroscopy

A direct-reading spectrum, small-diameter technology, applied in the field of chemical analysis, can solve problems such as inability to apply, steel wire cannot be directly analyzed, etc., to achieve the effect of saving manpower and material resources

Active Publication Date: 2017-05-24
DONGBEI SPECIAL STEEL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the vacuum excitation chamber of the ICP emission spectrometer has a hole of Φ12, and the steel wire with a diameter smaller than Φ12 cannot be directly analyzed, so it cannot be applied

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] The present invention will be further explained below in conjunction with specific examples.

[0010] The thermal mosaic method uses direct-reading spectroscopy to analyze small-diameter wires. Cut a Φ20 carbon steel rod into 2 cm, drill a hole on the carbon steel rod with the same diameter as the wire to be analyzed, and use a drill to expand a Φ14 concave surface (concave surface The depth is less than the depth of the hole), the wire to be analyzed is embedded in the hole, baked by gas welding until it is red, beat a flat surface by hand, cool and grind on the grinding wheel, and then perform spectral analysis. The temperature of gas welding and baking is lower than the melting temperature of steel, otherwise it is easy to oxidize and cause loss of elements, making the result analysis inaccurate.

[0011] The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone familiar with...

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PUM

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Abstract

The invention discloses a hot inserting method for analyzing a small-diameter wire rod by using a direct-reading spectrum. A phi20-30 carbon steel rod is cut to have the length of 2-3cm; a drilling bit is used for drilling a hole with the diameter which is the same as that of a wire rod to be analyzed on the carbon steel rod, and a concave surface is expanded by using the drilling bit; the wire rod to be analyzed is embedded into the hole and is baked to be red by using gas welding; a baked plane is hit by using a hand and then is cooled and is rubbed down on a grinding wheel; then the spectrum analysis is carried out. The temperature in the gas welding baking is lower than the temperature in the steel fusion, or easiness for oxidization causes the loss of an element to enable the result analysis to be inaccurate. According to the hot inserting method for analyzing the small-diameter wire rod by using the direct-reading spectrum, disclosed by the invention, the carbon steel rod is used as an auxiliary to indirectly expand the diameter of the small-diameter wire rod; furthermore, the analysis can be carried out on an ICP (Inductively Coupled Plasma) spectrograph to replace a traditional chemical wet method, so that the hot inserting method is rapid and convenient and manpower and material resources are saved.

Description

technical field [0001] The invention belongs to the field of chemical analysis, in particular to a thermal mosaic method for analyzing small-diameter wires by direct-reading spectrum. Background technique [0002] The analysis of more than 20 kinds of chemical elements is required for steel products. When the diameter of the wire rod is less than Φ12, the detection of steel wire rods uses chemical wet analysis. This method requires many people to analyze elements one by one, which wastes a lot of manpower and material resources, and at the same time cannot report the analysis results in time. The ICP emission spectrometer can analyze multiple elements fully automatically at the same time, simple and accurate, and the analysis speed is fast. However, the vacuum excitation chamber of the ICP emission spectrometer has a hole of Φ12, and the steel wire with a diameter smaller than Φ12 cannot be directly analyzed, so it cannot be applied. Contents of the invention [0003] Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/25G01N21/62G01N1/28
Inventor 张锡贵
Owner DONGBEI SPECIAL STEEL GROUP