Optical glass manufacturing process
An optical glass and manufacturing process technology, applied in glass manufacturing equipment, manufacturing tools, optics, etc., can solve the problems affecting the optical performance and qualification rate of glass, impurity removal, etc., to increase quality, improve purity, and increase optical performance. Effect
Inactive Publication Date: 2020-10-20
潘杰
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Problems solved by technology
[0005] In order to make up for the deficiencies of the existing technology and solve the problem that the existing optical glass manufacturing technology contains a small amount of impurities in the glass after rough melting, which cannot be effectively removed and affects the optical performance and pass rate of the glass, the invention proposes A kind of optical glass manufacturing process
Method used
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[0037] As an embodiment of the present invention, a pair of separation cavities 21 are symmetrically arranged on both sides of the separation tank 2, and the separation cavities 21 communicate with the separation tank 2 through narrow grooves 22, and the separation chamber 21 is matched with the narrow grooves 22 to further increase impurities and The separation efficiency of the coarse melt: the separation groove 2 and the separation chamber 21 are connected through the narrow groove 22, so that the coarse melt containing impurities gathers in the separation chamber 21, and then during the cooling process of the coarse melt, the coarse melt gradually shrinks, Furthermore, the coarse melt in the separation chamber 21 and the coarse melt in the separation tank 2 will produce cracks due to stress concentration at the narrow groove 22, so that after the coarse melt is cooled and solidified and taken out from the separation tank 2, it only needs to be tapped lightly The rough melt ...
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The invention belongs to the technical field of glass manufacturing, and particularly relates to an optical glass manufacturing process. Impurity removal equipment used in the process comprises a rack; a rotating shaft is rotatably connected to the flat plate, and the bottom of the rotating shaft penetrates through the flat plate and extends to the bottom of the flat plate; a turntable and a beltpulley are fixedly connected to the top and bottom of the rotating shaft; a motor is fixedly connected to one side of the rack, is connected with a power supply through a controller and is used for driving the belt pulley to rotate through a belt; a separation groove is fixedly connected to the top of the turntable and is arranged in a rhombus shape; when the separation tank rotates, a molten coarse melt is centrifuged; impurity particles in the coarse melt move towards the two sides of the separation tank under the action of centrifugal force, after the coarse melt in the separation tank is solidified, the coarse melt is taken out, the coarse melt containing impurities at the two ends is cut and removed through a cutter, the purity of the coarse melt can be improved, the quality of the coarse melt is improved, and the optical performance of the glass is improved.
Description
technical field [0001] The invention belongs to the technical field of glass manufacturing, in particular to an optical glass manufacturing process. Background technique [0002] Glass is an amorphous inorganic non-metallic material, generally made of various inorganic minerals (such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash, etc.) of. Its main components are silicon dioxide and other oxides. The chemical composition of ordinary glass is Na2SiO3, CaSiO3, SiO2 or Na2O·CaO·6SiO2, etc. The main component is silicate double salt, which is an amorphous solid with irregular structure. Widely used in buildings, used for wind and light transmission, belongs to the mixture. There are also colored glass that is mixed with certain metal oxides or salts to show color, and tempered glass made by physical or chemical methods. Sometimes some transparent plastics (such as polymethyl methacrylate) are also called plexiglass. [0003] Opti...
Claims
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Patent Timeline
Login to View More IPC IPC(8): C03C6/04C03B1/00C03B19/02G02B1/00
CPCC03B1/00C03B19/02C03C1/00G02B1/00
Inventor 潘杰李艳辉
Owner 潘杰