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Super-white and super-thick float glass and preparation method thereof

A float glass and ultra-clear technology, applied in the field of glass manufacturing, can solve the problems of difficulty in preparing ultra-white and ultra-thick glass, and achieve the effect of small color difference and high whiteness

Active Publication Date: 2015-06-03
ZHANGZHOU KIBING GLASS +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the problem of difficulty in the preparation of ultra-white and ultra-thick glass at present, and to provide an ultra-white and ultra-thick float glass and its production and preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A raw material for ultra-white ultra-thick float glass, the specification is 15mm*3660 ultra-white ultra-thick glass, the raw material of the glass includes the following components in parts by weight (each part is 10kg): silica sand: 70 parts, of which iron The content of ≤100ppm, the proportion of particle size 0.1-0.7mm ≥95%, the proportion of particle size 2 o 3 The content of ≥99.5%, Fe 2 o 3 The content of ≤0.01%,; heavy alkali: 20 parts, of which, Na 2 CO 3 The content of NaCl>99.5%, the content of NaCl≤0.5%, NaCl 2 SO 4 The content of ≤0.3%, Fe 2 o 3 Content ≤ 0.05%; Glauber's salt: 1 part, of which, Na 2 SO 4 The content of C is ≥99%; carbon powder: 0.1 parts, of which, the content of C is >80%; cerium oxide: 0.04 parts; cobalt oxide: 0.01 parts; sodium pyroantimonate: 1 part.

[0038] A preparation method of ultra-white ultra-thick float glass,

[0039] (1) Pre-treatment: isolate the raw materials from the iron equipment, and set the lining board on ...

Embodiment 2

[0051] A raw material for ultra-white ultra-thick float glass, the specification is 19mm*3360 ultra-white ultra-thick glass, the raw material of the glass includes the following components in parts by weight (each part is 10kg): silica sand: 80 parts, of which, iron The content of dolomite is ≤120ppm, the proportion of particle size 0.1mm is ≥95%, the proportion of particle size 2 o 3 The content of ≥99.5%, Fe 2 o 3 The content of ≤0.01%; heavy alkali: 20 parts, of which, Na 2 CO 3 The content of NaCl>99.5%, the content of NaCl≤0.5%, NaCl 2 SO 4 The content of ≤0.3%, Fe 2 o 3 Content ≤ 0.05%; Glauber's salt: 1 part, of which, Na 2 SO 4 content ≥ 99%; carbon powder: 0.1 parts, of which, the content of C > 80%; cerium oxide: 0.05 parts; cobalt oxide: 0.05 parts; sodium pyroantimonate: 2 parts.

[0052] A preparation method of ultra-white ultra-thick float glass,

[0053] (1) Pre-treatment: isolate the raw materials from the iron equipment, and set the lining board on t...

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PUM

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Abstract

The invention relates to the field of glass making and in particular relates to super-white and super-thick float glass and a preparation method thereof. A raw material formula of the super-white and super-thick float glass is designed, an edge roller control technology is adopted, from a first pair of edge controllers to the last pair of edge controllers, an inward component force produced by virtue of speed difference and negative angle of each pair of edge rollers is utilized for controlling the speed difference to be 15-50m / h; runner temperature is controlled to be (1100-1105)+ / -1 DEG C; molten tin slot outlet temperature is controlled to be 625+ / -5 DEG C; pulling amount of each edge roller is controlled to be 560-610t / d, plate width is controlled to be 4000-4100mm, inner teeth are 3580-3860mm wide, and Vmain is 135-165m / h; and the prepared glass is good in transmittance, high in whiteness, small in colour difference, ultraviolet-resistant and non-glare. Optical distortion angle is more than 55 degrees, the produced glass plate is wide, and thickness and inner teeth are stable.

Description

technical field [0001] The invention relates to the field of glass manufacturing, in particular to an ultra-white and ultra-thick float glass and a production and preparation method thereof. Background technique [0002] With the sharp reduction of non-renewable energy sources on the earth, the energy crisis situation is becoming increasingly severe, and the development of new energy sources has long been a global issue. In such an era background, the solar photovoltaic industry has received more and more attention from people. As a substrate material in the solar photovoltaic industry, ultra-clear glass greatly improves the photoelectric conversion efficiency with its unique high light transmittance, and provides a broader development space for the development of solar technology. [0003] In the past, ultra-clear glass was mostly produced by small-tonnage ultra-clear rolling lines, and with the substantial increase in market demand for ultra-clear glass, large-tonnage ult...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C3/11
Inventor 徐国平刘力武陈立新刘四清唐树森李刚卿艳王巍肖秋玉凌云周红潘亮亮黎勇明赵军邓铁谭建伟吴万成余泽
Owner ZHANGZHOU KIBING GLASS
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