Method for treating gelatinized thermocouple wire

A technology of thermocouple wire and processing method, which is applied in the direction of using thermometers that are directly sensitive to heat electrical/magnetic components, measuring heat, using electrical devices, etc., can solve problems such as waste and scrap, and achieve the effect of eliminating serious waste.

Inactive Publication Date: 2011-04-27
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The processing method of existing gluing thermocouple wire is platinum rhodium 10 - Platinum, a precious metal pair wire, is scrapped and recycled, causing great waste

Method used

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  • Method for treating gelatinized thermocouple wire
  • Method for treating gelatinized thermocouple wire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The processing method embodiment of this gluing thermocouple wire is the following sequential steps:

[0039] A heat-treated galvanic wire

[0040] Put 400 glue-coated galvanic wires through quartz tubes into a quartz glass container, and place them in a constant temperature furnace at 450°C for heat treatment for 60 minutes.

[0041] Two, pull out the galvanic wire

[0042] The heat-treated quartz glass container and the glued galvanic wire are taken out of the constant temperature furnace, and the silicone rubber is pinched into yellow powder with fingers to make it fall off, and the galvanic wire is pulled out of the quartz tube.

[0043] Three cleaning galvanic wire

[0044] (1) Put the extracted galvanic wires together into a 200 ml beaker, pour 150 ml of sodium hydroxide alkaline water with a mass fraction of 10% into the beaker and submerge the galvanic wires, heat and boil in an electric furnace for 30 minutes.

[0045] (2) Pour out the remaining alkaline water...

Embodiment 2

[0052] The processing and cleaning method embodiment of this glue-coated thermocouple wire is the following sequential steps:

[0053] A heat-treated galvanic wire

[0054] Put 400 glue-coated galvanic wires through quartz tubes into a quartz glass container, and place them in a constant temperature furnace at 440°C for heat treatment for 60 minutes.

[0055] Two, pull out the galvanic wire

[0056] The heat-treated quartz glass container and the glued galvanic wire are taken out of the constant temperature furnace, and the silicone rubber is pinched into yellow powder with fingers to make it fall off, and the galvanic wire is pulled out of the quartz tube.

[0057] Three cleaning galvanic wire

[0058] (1) Put the extracted galvanic wires together into a 200 ml beaker, pour 150 ml of sodium hydroxide alkaline water with a mass fraction of 10% into the beaker and submerge the galvanic wires, heat and boil in an electric furnace for 30 minutes.

[0059] (2) Pour out the rema...

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PUM

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Abstract

The invention relates to a method for treating a gelatinized thermocouple wire, comprising the following sequential steps: firstly, the gelatinized thermocouple wire penetrating through a silica tube is thermally treated at the temperature of 400-500 DEG C for 50-70 minutes by using a thermal treatment thermocouple wire; secondly, the thermocouple wire is drawn out to cause silicon rubber losing elasticity to fall off; and thirdly, the thermocouple wire is cleaned, wherein (1) the drawn-out thermocouple wire is boiled for 25-35 minutes by using sodium hydroxide solution of 8-12 percent mass fraction, (2) the thermocouple wire treated by using alkali is boiled for 25-35 minutes by using hydrochloric acid solution of 8-12 percent mass fraction, (3) the thermocouple wire treated by using acid is repeatedly boiled by using distilled water for at least three times, each time for 25-35 minutes, and (4) the cleaned thermocouple wire is dewatered at the temperature of 60-80 DEG C; and finally, the treated thermocouple wire together with a standard thermocouple wire is examined. The method for treating the gelatinized thermocouple wire can recover thermocouple wires.

Description

technical field [0001] The invention relates to a treatment method for glue-coated thermocouple wires, in particular to a treatment method for thermocouple wires (diameter ￠0.045-￠0.01) coated with silicon rubber (room temperature vulcanized silicon rubber). Background technique [0002] The galvanic couple wire 2 penetrates into the U-shaped quartz tube 1. In order to make the positive and negative polarity dividing point of the galvanic couple (the solder joint of the thermocouple measuring end) placed on the top of the arc of the U-shaped quartz tube 1 to ensure the measurement accuracy, the position needs to be adjusted. Use methyl silicone rubber 3 to seal the port 1 of the quartz tube to position the measuring end of the galvanic wire 2, see figure 1 . According to the thermocouple manufacturing process: the galvanic couple wire is coated with silicone rubber and the sealing process should be carried out after the galvanic couple wire is penetrated into the U-shaped q...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K7/02
Inventor 孙原生刘慧玲
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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