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Production method for low oxyhydroxide and rare earth doping quartz tube

A technology of rare earth doping and production method, applied in glass forming, glass manufacturing equipment, manufacturing tools and other directions, can solve the problems of insufficient production technology, few types of quartz tubes, and complicated process, so as to simplify the production process and improve the quality. , Product energy saving effect

Inactive Publication Date: 2017-05-31
单祥发
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Patent Publication No. CN103387328B, the invention name is a production method of a low-hydroxyl rose-colored rare earth doped quartz tube, which records the production of a rose-colored quartz tube. The main production steps are roughly raw material selection, stirring, dilution, doping, and baking. Drying, melting, dehydroxylation, etc. Although this patent has been recognized by the market, there are still shortcomings in the production process, the process is cumbersome, the cost is high, and there are few types of quartz tubes produced, only rose color

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] ① Raw material selection: select high-purity quartz sand with SiO content 2 ≥99.9%, used as doping raw material for oxide and rare earth doped quartz tube;

[0043] ②Dilution: React 0.1% alumina and hydrochloric acid with a content of raw material weight to generate alumina solution;

[0044] ③ Stirring: Grind the high-purity quartz sand of the raw material in step ① into powder, sieve through 40 meshes, select a weight of 100 kg, stir for 15 minutes with a mixer and 1% rare earth samarium oxide as the raw material, and then add the weight as the raw material 0.1% alumina solution, then stirred for 10 minutes;

[0045] ④Drying: Put the quartz sand stirred in step ③ into a quartz tube at a temperature of 800°C to rotate, and dry at high temperature to volatilize the chlorine molecules or chlorine radicals in the quartz sand, so that the aluminum and samarium elements can fully mix with the quartz sand. mixed drying;

[0046] ⑤ Melting: After the quartz sand in step ④ ...

Embodiment 2

[0049] ① Raw material selection: select high-purity quartz sand with SiO content 2 ≥99.9%, used as doping raw material for oxide and rare earth doped quartz tube;

[0050] ②Dilution: React 0.2% alumina and hydrochloric acid with a content of raw material weight to generate alumina solution;

[0051] ③ Stirring: Grind the high-purity quartz sand of the raw material in step ① into powder, sieve through 160 meshes, select a weight of 100 kg, and stir for 30 minutes with a mixer and 6% rare earth samarium oxide as the raw material, and then add the weight as the raw material 2% aluminum oxide solution, then stirred for 30 minutes;

[0052] ④Drying: Put the quartz sand stirred in step ③ into a quartz tube at a temperature of 1050°C to rotate, and dry at high temperature to volatilize the chlorine molecules or chloride radicals in the quartz sand, so that the aluminum and samarium elements can fully mix with the quartz sand. mixed drying;

[0053] ⑤ Melting: After the quartz sand...

Embodiment 3

[0056] ① Raw material selection: select high-purity quartz sand with SiO content 2 ≥99.9%, used as doping raw material for oxide and rare earth doped quartz tube;

[0057]②Dilution: React 1.05% alumina and hydrochloric acid with a content of raw material weight to generate alumina solution;

[0058] ③ Stirring: Grind the high-purity quartz sand of the raw material in step ① into powder, sieve through 100 meshes, select a weight of 100 kg, and stir for 22.5 minutes with a mixer and 3.5% rare earth samarium oxide as the raw material, and then add the weight as the raw material 1.05% aluminum oxide solution, then stirred for 20 minutes;

[0059] ④Drying: Put the quartz sand stirred in step ③ into a quartz tube at a temperature of 925°C to rotate, and dry at high temperature to volatilize the chlorine molecules or chlorine radicals in the quartz sand, so that the aluminum and samarium elements can fully mix with the quartz sand. mixed drying;

[0060] ⑤ Melting: After the quart...

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Abstract

The invention provides a production method for a low oxyhydroxide and rare earth doping quartz tube. The production method comprises the following steps: carrying out raw material selection, dilution, stirring, drying, fusion, dihydroxylation and the like. The production method has the following advantages that a craft production flow is simplified, meanwhile, the quality of the quartz tube is further improved, the produced rose-colored, purple and black red quartz tubes meet market requirements; the produced rose-colored, purple and black red quartz tubes are used as the quartz glass tube of an electric heating tube, electric energy can be converted into the heat energy form of a far infrared ray to be transferred, infrared ray thermal transmittance is further improved, electricity consumption is further lowered, and more energy is saved for products.

Description

technical field [0001] The invention relates to the technical field of quartz tube manufacture, in particular to a production method of a low oxyhydroxide and rare earth doped quartz tube. Background technique [0002] Quartz glass tube is a special industrial technical glass made of silica, which is a very good basic material. Quartz glass has a series of excellent physical and chemical properties. , [0003] At present, there are many production methods of quartz tubes, and the types of quartz tubes can be roughly divided into the following types: transparent quartz tubes (outer diameter 1.5mm--300mm), ultraviolet filter quartz tubes, colored quartz tubes, etc. [0004] Patent Publication No. CN103387328B, the invention name is a production method of a low-hydroxyl rose-colored rare earth doped quartz tube, which records the production of a rose-colored quartz tube. The main production steps are roughly raw material selection, stirring, dilution, doping, and baking. Dry...

Claims

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Application Information

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IPC IPC(8): C03C6/04C03C4/02C03B20/00
CPCC03C1/00C03B20/00C03C4/02
Inventor 单祥发
Owner 单祥发
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