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Instant testing method of silicon content in ferrous alloy micro-carbon ferrochromium

A technology of micro-carbon ferrochromium and testing method, which is applied in the direction of material resistance, etc., can solve the problems of inability to guide on-site smelting production in time, and long time for determination of silicon content.

Inactive Publication Date: 2009-04-15
SHANGHAI SECOND POLYTECHNIC UNIVERSITY
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is exactly to overcome the shortcoming that the measuring time of the silicon content in the conventional micro-carbon ferrochrome in the laboratory is long, and the on-site smelting production cannot be guided in time, and a kind of instant test method for the silicon content in the ferroalloy micro-carbon ferrochrome is provided, which can Obtain the silicon content in the sample within a few minutes, fast and convenient, suitable for practical application in production

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  • Instant testing method of silicon content in ferrous alloy micro-carbon ferrochromium
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  • Instant testing method of silicon content in ferrous alloy micro-carbon ferrochromium

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Embodiment 1

[0017] According to the instant testing method for silicon content in ferroalloy micro-carbon ferrochrome of the present invention, a simple silicon measuring sensor is made and other required electronic components and single-chip microcomputers are prepared. One of the implementations is as figure 1 As shown, the silicon measuring sensor is connected with a temperature controller through the circuit to keep the temperature constant, and the silicon measuring sensor is also connected with the thermoelectric potential amplifier, V / F converter, single-chip microcomputer and display through the circuit in turn. The silicon measuring sensor displays the silicon content data in the sample between the silicon measuring sensor and the pressing device on the display through the thermoelectric potential amplifier, V / F converter and single-chip microcomputer.

[0018] 1. Specific instrument composition:

[0019] 1. Silicon sensor:

[0020] It is made of brass in a conical shape with a...

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Abstract

The invention relates to the technical field of a method for detecting the silica content in ferroalloy chromic carbide iron. The method for immediately detecting the silica content in the ferroalloy chromic carbide iron comprises the following steps: firstly, a silicon-detecting sensor and chromic carbide iron to be detected are ensured to contact, the senor generates a weak electric potential signal which is then amplified; and then the amplified voltage is converted into pulse value by a V / F converter and is then sent into a single chip; and finally, digital silica content can be intuitively displayed in a monitor by the software processing. The detecting method of the invention can rapidly detect the silica content in the ferroalloy on site, in addition, the chromic carbide iron does not require to be specially processed, and other reagents are unnecessary to be used, thereby the method is simple and convenient, and the final detecting result can be directly displayed by a computer.

Description

technical field [0001] The invention relates to the technical field of a test method for silicon content in ferroalloy micro-carbon ferrochrome. Background technique [0002] The measurement of silicon content in micro-carbon ferrochrome generally adopts chemical method, that is, select a piece of micro-carbon ferrochrome sample after cooling, pulverize it into powder, add a certain amount of chemical reagents, carry out chemical reaction, and then use the measuring instrument Dosing of silicon element. It usually takes 2 hours to measure the data of the silicon content in the sample, which cannot be quickly and timely judged the quality of the micro-carbon ferrochrome product being smelted, and is not conducive to the timely adoption of technical measures to improve the quality of the product. Quality and pass rate. Contents of the invention [0003] The purpose of the present invention is exactly to overcome the shortcoming that the measuring time of the silicon conten...

Claims

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Application Information

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IPC IPC(8): G01N27/14
Inventor 苏家健
Owner SHANGHAI SECOND POLYTECHNIC UNIVERSITY