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Method for changing platinum channel convection in ultrathin flexible glass manufacturing

A flexible glass and platinum channel technology, applied in glass manufacturing equipment, manufacturing tools, glass furnace equipment, etc., can solve the problems of slow precipitation and no effective control method for stones, and achieve the effect of improving streaks and reducing platinum defects

Pending Publication Date: 2021-10-12
安徽汉柔光电科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0002] In the manufacture of ultra-thin flexible glass (UTG), the platinum channel is a common equipment for flowing glass liquid. The main material is platinum or platinum-rhodium alloy, and platinum and platinum-rhodium alloy have a lot of oxidation in high-temperature and high-humidity environments. A large amount of oxide layer is formed on the liquid surface line and free space, and it will be in a saturated state for a long time, which will slowly precipitate out in the glass and form a large number of platinum-like stones. There is no effective control method for this kind of stones

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  • Method for changing platinum channel convection in ultrathin flexible glass manufacturing

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Embodiment Construction

[0030] Such as figure 1 As shown, a method of changing the convection of the platinum channel in the manufacture of ultra-thin flexible glass includes the following content:

[0031] (1) Change the glass liquid level 1 in the convection process of the platinum channel 2;

[0032] (1.1) By changing the feeding amount, the difference between the feeding amount and the output amount is changed, so that the glass liquid level 1 is lowered by 80mm;

[0033] (1.11) Reduce the amount of feeding;

[0034] (1.12) Maintain normal lead-out volume;

[0035] (1.13) The difference between feeding and discharging makes the liquid level drop by 1.5mm / hr;

[0036] (1.14) The cooling section of the measuring part of the glass liquid level 1 is the liquid level port 4.

[0037] (1.2) Keep the lowered glass liquid level for 4 hours;

[0038] (1.21) According to the residence time of the glass liquid 3 in the cooling section of the platinum channel 2 is 2 hours, keep it for 4 hours to allow t...

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Abstract

The invention discloses a method for changing platinum channel convection in ultrathin flexible glass manufacturing. The main material of a platinum channel is platinum or platinum-rhodium alloy, the platinum and the platinum-rhodium alloy are greatly oxidized in a high-temperature and high-humidity environment, and a large number of oxide layers are mainly formed at a liquid level line part and a free space part, the oxide layers would be in a saturated state after a long time, the oxide layers will be slowly separated out from the glass. The method for changing convection in ultrathin flexible glass(UTG) manufacturing, and a method and a process capable of changing the liquid level line oxidelayers of the platinum channel in time are designed, the formed platinum oxide layers are changed, the convection is changed at one time, and the occurrence of platinum type defects after long-term operation of the platinum channel is reduced.

Description

technical field [0001] The invention relates to the technical field of ultra-thin flexible glass (UTG) manufacturing, in particular to a method for changing platinum channel convection in ultra-thin flexible glass manufacturing. Background technique [0002] In the manufacture of ultra-thin flexible glass (UTG), the platinum channel is a common equipment for flowing glass liquid. The main material is platinum or platinum-rhodium alloy, and platinum and platinum-rhodium alloy have a lot of oxidation in high-temperature and high-humidity environments. A large number of oxide layers are formed at the liquid surface line and free space, which will be in a saturated state for a long time, and will slowly precipitate out in the glass, forming a large number of platinum-like stones. There is no effective control method for such stones. Contents of the invention [0003] The purpose of the present invention is to provide a method for changing the convection of the platinum channel...

Claims

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Application Information

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IPC IPC(8): C03B5/16C03B5/18C03B5/225
CPCC03B5/16C03B5/18C03B5/225C03B7/07
Inventor 张军锋
Owner 安徽汉柔光电科技有限公司