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Making process of oxygen-measuring copper solution sensor

A technology of oxygen sensor and manufacturing method, which is applied in the direction of instruments, scientific instruments, measuring devices, etc., and can solve the problems of copper not meeting the oxygen content requirements, copper backlog, waste, etc.

Inactive Publication Date: 2007-10-03
北京市科海龙华工业自动化仪器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the measurement of oxygen content in molten copper is only based on the experience of experienced technicians in the smelting process. There is no instrument that can accurately measure the oxygen content in molten copper. Errors will inevitably occur in this empirical estimation, which leads to smelting The output copper does not meet the required oxygen content requirements, resulting in a backlog and waste of unqualified copper

Method used

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  • Making process of oxygen-measuring copper solution sensor
  • Making process of oxygen-measuring copper solution sensor

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 2

[0024] The process steps described in Example 2 are exactly the same as those described in Example 1, except for the following differences: Take 30 grams of cobalt powder with a purity of 99.99%, and take 3 grams of cobalt oxide powder with a purity of 99%, and put them in a jade vessel. Mix and grind for 40 minutes, pour the ground mixed powder into the cobalt oxide tube, and continue to compact, the mixed powder accounts for 40% of the volume of the cobalt oxide tube; pour the cobalt powder into the upper half of the cobalt oxide tube. Cobalt powder accounts for 60% of the volume of the cobalt oxide tube.

specific Embodiment approach 3

[0025] The process steps described in Example 3 are exactly the same as those described in Example 1, except for the following differences: Take 40 grams of cobalt powder with a purity of 99%, and take 34 grams of cobalt oxide powder with a purity of 99%, and put them in a ceramic vessel. Mix in medium, grind for 30 minutes, pour the ground mixed powder into the cobalt oxide tube, and continue to compact. The mixed powder accounts for 89% of the volume of the cobalt oxide tube. Pour the aluminum oxide powder into the upper half of the cobalt oxide tube. After that, the alumina powder accounts for 11% of the volume of the cobalt oxide tube.

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Abstract

The making process of oxygen measuring sensor for copper liquid includes filling the mixture of Co powder and Co oxide in certain ratio inside the lower part of ceramic tube, filling alumina powder or Co powder inside the upper part of the ceramic tube, fixing iron wire in the center of the ceramic tube, sealing the mouth of the ceramic tube with high temperature glue and drying. The sensor may be used to measure the oxygen content in molten copper inside smelting furnace accurately, and this can raise the quality of smelted copper material greatly.

Description

Technical field [0001] The invention relates to the technical field of measuring instruments in the metallurgical industry, in particular to a method for manufacturing a constant oxygen sensor for smelting copper liquid. Background technique [0002] Copper materials with different oxygen content have different applications. For example, oxygen-free copper cables are widely used in karaoke machines. During the smelting process of copper, the oxygen content of the copper liquid can be controlled by the smelting process, but only under the premise of accurately measuring the oxygen content in the copper liquid, can the smelting process be effectively controlled to produce copper with different oxygen content. At present, measuring the oxygen content in the copper liquid is only based on the experience estimation of experienced technicians in the smelting process. There is no instrument for accurately measuring the oxygen content in the copper liquid. This empirical estimation will ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/409G01N27/411
Inventor 唐仁兴王淑景叶俊林
Owner 北京市科海龙华工业自动化仪器有限公司
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