Tempered glass manufacturing technique

A production process and tempered glass technology, applied in glass production, glass tempering, glass manufacturing equipment, etc., can solve the problems of easy self-explosion of tempered glass and reducing the self-explosion rate of tempered glass
CN106587606AActive Publication Date: 2017-04-26CHONGQING SANXING JINGYI GLASS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CHONGQING SANXING JINGYI GLASS CO LTD
Publication Date
2017-04-26

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Abstract

The application of the invention belongs to the field of glass manufacturing techniques, and particularly discloses a tempered glass manufacturing technique which comprises the following processing steps: (1) burdening: in parts by weight, taking 300-350 parts of quartz sand, 26-32 parts of limestone, 70-100 parts of dolomite, 100-130 parts of sodium carbonate, 5-6 parts of mirabilite, 30-40 parts of feldspar, 0.2-0.4 parts of carbon powder, 5-6 parts of a clarifying agent, 0.6-0.8 parts of molybdenum trioxide, and 1.0-1.2 parts of cadmium oxide; (2) grinding, drying and mixing: grinding raw materials in step (1) to 400-600 mu m, drying powder after grinding, and controlling the water content at 2-4%; put dried raw materials into a mixer and mixing the materials for 1.5-2 min; (3) melting; (4) molding; (5) preheating; (6) preheating; (7) rapid heating; (8) cooling; (9) cooling again; (10) homogeneous processing. Tempered glass manufactured by adopting the tempered glass manufacturing technique has excellent quality, the spontaneous explosion rate of the tempered glass is effectively reduced, and the safety is good.
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Description

technical field

[0001] The invention belongs to the technical field of glass production technology, and in particular relates to a production technology of tempered glass. Background technique

[0002] Tempered glass is a kind of prestressed glass, which is obtained by processing annealed glass into required size and shape, heating to softening point at high temperature, and then quenching. Tempered glass has high mechanical strength, impact strength, and bending strength, and has good safety and thermal stability. It is currently the most commonly used form of safety glass.

[0003] At present, there are two main production processes for tempered glass: physical tempering and chemical tempering. Physical tempered glass is mainly made by heating ordinary flat glass in a heating furnace to close to the softening temperature of glass, eliminating internal stress through self-deformation, and finally quenching. Chemically tempered glass generally improves the strength of the ...

Claims

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