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Method for cleaning cover plate glass stirring rod

A cover glass and stirring rod technology, which is applied in glass furnace equipment, glass manufacturing equipment, manufacturing tools, etc., can solve the problems of reducing the incidence of streaks in glass products, the impact of glass liquid quality, and the wear of stirring rods, so as to reduce the occurrence of Probability, improvement of production quality, and the effect of increasing the viscosity of molten glass

Inactive Publication Date: 2019-12-03
CAIHONG GRP SHAOYANG SPECIAL GLASS CO LTD
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Problems solved by technology

[0002] In the manufacture of cover glass, the stirring rod is the main equipment to realize the homogenization of glass. Its main function is to realize the homogenization of glass and reduce the incidence of streaks in glass products. Operating at a relatively high speed and temperature, the stirring rod is not completely soaked, and a large number of air bubbles are easily generated. At the same time, the stirring rod at high speed causes wear and erosion, resulting in platinum-like defects, which affect the quality of the glass liquid.

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  • Method for cleaning cover plate glass stirring rod

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Embodiment Construction

[0030] The present invention is described in further detail below in conjunction with accompanying drawing:

[0031] The cleaning of the stirring rod is divided into three aspects. First, it is necessary to confirm the safety margin of the process before cleaning, confirm whether the parameters are reasonable, and ensure the stability and control of the process. The second is the specific cleaning process. The third is to control the amount of glass liquid drawn out and the process temperature during the cleaning process of the stirring rod.

[0032] First of all, before the stirring rod is cleaned, the current in the heating section needs to be greater than 4500A and less than 5600A; the current in the clarification section needs to be greater than 4000A and less than 5000A; the current in the second section of clarification needs to be greater than 3000A and less than 4000A; 30kw; the power of the cooling section must be greater than 25kw; the power of the feed tank must be...

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Abstract

The invention discloses a method for cleaning a cover plate glass stirring rod. The method comprises the following steps: 1. during a normal stirring process of a cover plate glass, adjusting a rotation speed of the stirring rod step by step from a normal stirring rotation speed to 19+ / -5 rpm, and keeping the stirring rotation speed for 15+ / -5 minutes; 2. adjusting a rotation speed of the stirringrod step by step from 19+ / -5 rpm to 0 rpm, and keeping the stirring rotation speed for 19+ / -5 minutes; 3. reversing a stirring direction of the stirring rod, adjusting a rotation speed of the stirring rod step by step from 0 rpm to 19+ / -5 rpm, and keeping the stirring rotation speed for 15+ / -5 minutes; 4. adjusting a rotation speed of the stirring rod step by step from 19+ / -5 rpm to 0 rpm, and keeping the stirring rotation speed for 20+ / -5 minutes; 5. reversing a stirring direction of the stirring rod, adjusting a rotation speed of the stirring rod step by step from 0 rpm to 19+ / -5 rpm, and keeping the stirring rotation speed for 15+ / -5 minutes; and 6. adjusting a rotation speed of the stirring rod to the normal rotation speed of cover plate glass stirring, and adjusting 1 revolution eachtime, wherein an interval time is 15+ / -5 seconds. Bubbles involved in a glass liquid surface liquid in a line body initial stage are reduced, occurrence probability of platinum defective points is reduced, and production quality of the cover plate glass is improved.

Description

technical field [0001] The invention belongs to the field of cover glass production and relates to a method for cleaning a cover glass stirring rod. Background technique [0002] In the manufacture of cover glass, the stirring rod is the main equipment to realize the homogenization of glass. Its main function is to realize the homogenization of glass and reduce the incidence of streaks in glass products. Running at a high speed and temperature, the stirring rod is not completely soaked, and a large number of air bubbles are easily generated. At the same time, the stirring rod at high speed causes wear and erosion, resulting in platinum-like defects, which affect the quality of the glass liquid. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art and provide a method for cleaning the stirring rod of the cover glass. Under the premise of not affecting the normal production of the cover glass...

Claims

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Application Information

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IPC IPC(8): C03B5/187
CPCC03B5/1875
Inventor 张军锋
Owner CAIHONG GRP SHAOYANG SPECIAL GLASS CO LTD
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