Glass clarification device and glass clarification method

A clarification device and glass technology, applied in glass furnace equipment, glass manufacturing equipment, manufacturing tools, etc., to achieve the effect of fast flow, improve clarification effect, and reduce bubble defects

Pending Publication Date: 2022-05-13
CDGM OPTICAL GLASS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention provides a glass clarification device, aiming to solve the problem of how to ensure the clarification effect on molten glass under low temperature clarification conditions

Method used

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  • Glass clarification device and glass clarification method
  • Glass clarification device and glass clarification method
  • Glass clarification device and glass clarification method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] combine Figure 3-6 As shown, the glass clarification device includes a clarification tank 100, a top cover 200, a glass liquid inlet pipe 300 and a glass liquid discharge pipe 400;

[0073] The shape of the cross-section of the clarification tank 100 is usually a rectangle or a rectangle with rounded corners;

[0074] The tank bottom of the clarification tank 100 includes a front section bottom surface 111, an inclined surface 112 and a rear section bottom surface 113. The bottom surface 111 is connected, and the rear end of the inclined surface 112 is higher than the rear section bottom surface 113 and connected to the rear section bottom surface 113 through the flow guide structure 130;

[0075] The chamber of the clarification tank 100 is separated by the overflow weir structure 120 and the diversion structure 130 into a liquid inlet chamber section 101 , a clarification chamber section 102 and an accumulation chamber section 103 which are sequentially connected fr...

Embodiment 2

[0091] combine Figure 7-9 As shown, the components of the glass clarification device are basically the same as in Embodiment 1, and the difference is that the molten glass inlet pipe 300 is located in the middle of the front end of the clarification tank 100; the molten glass discharge pipe 400 is arranged obliquely downward along the flow direction , the inclination angle is 7°; the inclination angle of the rising edge 121 of the overflow weir is 50°; the inclination angle of the inclined surface 112 is 1°; the top cover 200 is inclined downward along the flow direction of the glass liquid, and the inclination angle is 1°.

[0092] The method of adopting this glass clarification device to carry out glass liquid clarification is the same as embodiment 1.

Embodiment 3

[0094] combine Figure 10 and Figure 11As shown, the components of the glass clarification device are basically the same as in Embodiment 1, the difference is that: the glass liquid inlet pipe 300 is located at the bottom position of the front end of the clarification tank 100; The distance between the walls is 100 mm; the first partition 220 is not provided, and two second partitions 230 are provided; the glass liquid discharge pipe 400 is arranged obliquely downward along the flow direction, and the inclination angle is 7°; the inclination angle of the inclined surface 112 is 1°; the top cover 200 is inclined downward along the flow direction of the glass liquid, and the inclination angle is the same as that of the inclined surface 112 .

[0095] The method of adopting this glass clarification device to carry out glass liquid clarification is the same as embodiment 1.

[0096] The comparison of parameters for clarifying an optical glass with different clarification device...

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Abstract

The invention belongs to the technical field of glass manufacturing, particularly discloses a glass clarifying device and method, and aims to solve the problem of how to ensure a clarifying effect under a low-temperature clarifying condition. According to the glass clarifying device, the inclined plane is arranged in the middle of the bottom surface of the clarifying tank, the front end of the inclined plane is connected with the front-section bottom surface through the overflow weir structure, and the rear end of the inclined plane is connected with the rear-section bottom surface through the flow guide structure. Therefore, under the overflow action of the overflow weir structure, the molten glass can be uniformly distributed on the inclined plane in the transverse direction when the molten glass is controlled to be shallow; meanwhile, the inclined plane can control the depth of the molten glass at the inclined plane to be very shallow, so that the overall temperature of the molten glass is rapidly increased, rapid growth and accelerated floating of bubbles are facilitated, and the bubbles can be rapidly eliminated at a lower clarification temperature under the same clarification capability; in addition, under the flow guide effect of the flow guide structure, the glass liquid on the inclined plane can be collected, so that the glass liquid is mixed up and down and the liquid level is kept stable.

Description

technical field [0001] The invention belongs to the technical field of glass manufacturing, and in particular relates to a glass clarification device and a glass clarification method. Background technique [0002] In the manufacturing process of optical glass, bubbles are one of the key factors affecting the quality of glass. The clarification effect of glass liquid directly determines the number and size of bubbles remaining in the glass. Therefore, when producing high-quality glass, especially high-end For low-viscosity glasses such as lanthanide glass and environmentally friendly heavy flint glass, products with less bubble defects can be produced only by ensuring the clarification effect of the glass liquid. [0003] At present, platinum material is usually used to make a circular or rectangular container as the clarification tank 100 to clarify the molten glass, such as figure 1 As shown, a top cover 200 is generally provided on the top of the clarification tank 100, a...

Claims

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Application Information

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IPC IPC(8): C03B5/225
CPCC03B5/225Y02P40/57
Inventor 王乃帅卢世峯郭富强但启林邓宇
Owner CDGM OPTICAL GLASS
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