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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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 environm

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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 th

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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

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Claims

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Application Information

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Owner 安徽汉柔光电科技有限公司
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