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Method for guiding smelting process by determining relative carbon-content in solid sample of Electro-thermal method smelting aluminum silicon alloy

A technology of aluminum-silicon alloy and solid sample, applied in the direction of weighing by removing certain components, electrical digital data processing, special data processing applications, etc., can solve the problem that industrial analysis methods are not enough to achieve accurate control, and the production process has poor guidance , rough measurement results and other problems, to achieve high industrial application value, easy to master, simple and clear effect

Inactive Publication Date: 2010-12-15
登封电厂集团铝合金有限公司
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Problems solved by technology

[0002] At present, the commonly used measurement methods for non-volatile residues such as ash mostly use the coal industrial analysis method provided by the national standard GB / T212-1991 of the People's Republic of China. This method has a wide range of applications, but it is not suitable for some special production processes. It is said that the measurement results are rough, not accurate enough, and have poor guidance for the real production process, especially in the process of smelting aluminum-silicon alloys by electrothermal method, the content of unvolatile residues and relative carbon content in the raw materials and pellets used is very important for controlling the production process. It is very important to stabilize the composition content and ensure the normal and stable smelting. The industrial analysis method of coal provided by the national standard GB / T 212-1991 is not enough to meet the needs of accurate control

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  • Method for guiding smelting process by determining relative carbon-content in solid sample of Electro-thermal method smelting aluminum silicon alloy
  • Method for guiding smelting process by determining relative carbon-content in solid sample of Electro-thermal method smelting aluminum silicon alloy

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Embodiment Construction

[0038] refer to figure 1 A method for guiding the smelting process by measuring the relative carbon content in a solid sample of aluminum-silicon alloy smelted by electrothermal method, comprising the steps of:

[0039] (1) A quartz tube 1 with a diameter of 50 mm, the front end of the quartz tube 1 is a capillary joint 5, and the length of the capillary joint 5 is 40 mm; Out of electric furnace 200mm;

[0040] (2) heating the tubular electric furnace 2 into three temperature zones of 800°C, 1000°C, and 1100°C and keeping it stable;

[0041] (3) The porcelain boat 3 was calcined to a constant weight at 1100°C, and the sample 4 to be tested was dried to a constant weight at 110°C with a moisture analyzer;

[0042] (4) Inert gas argon is passed through a piston at the rear end of the quartz tube 1, and a pressure reducing valve is used to adjust the gas delivery rate so that the gas intake is constant during the whole process;

[0043] (5) Put the sample 4 into the porcelain ...

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Abstract

The invention relates to a method of testing the no volatilized residuum and the relative carbon amount in the solid test specimen, puts the test specimen into the heat-resisting vessel and under the isolation air condition after separately heats the certain time with the heater in the 750-850 deg,950-1050 deg, 1050-1150 deg three temperature areas weighing and computing the no volatilized residuum and the relative carbon amount according to the following formula; the method has good isolation effect with air and the long heat time, can fully drive out the volatile matter but not to affect the residuum character, the three temperature areas tubular heat up structure is simple, operation simple bright and is easy to make the processing, the observation data reduction mathematical formula simply, is easy to grasp, the test entire process and the atmosphere even more approach the stove return original state process of the electric heating to smelt the aluminum silicon alloy, the obtainedresult has a better instruction.

Description

technical field [0001] The invention relates to a measurement method, in particular to a method for guiding the smelting process by measuring the relative carbon content in a solid sample of an aluminum-silicon alloy smelted by an electrothermal method. Background technique [0002] At present, the commonly used measurement methods for non-volatile residues such as ash mostly use the coal industrial analysis method provided by the national standard GB / T212-1991 of the People's Republic of China. This method has a wide range of applications, but it is not suitable for some special production processes. It is said that the measurement results are rough, not accurate enough, and have poor guidance for the real production process, especially in the process of smelting aluminum-silicon alloys by electrothermal method, the content of unvolatile residues and relative carbon content in the raw materials and pellets used is very important for controlling the production process. It is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/04G06F19/00
Inventor 刘迎忠李凌云王雅玲薛龙建何平华贾绍鹏李志瑜王朝辉任朝阳张俊涛李正涛仝选歌
Owner 登封电厂集团铝合金有限公司
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