GLASS MANUFACTURING APPARATUS, AND GLASS MANUFACTURING METHOD

• Main Authors: HIRAHARA YASUHARU, ICHIKAWA YUJI, ANDO HIROSHI
• Format: Patent
• Language: English; Japanese
• Published: 23.09.2016
• Subjects: CHEMISTRY; GLASS; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES; METALLURGY; MINERAL OR SLAG WOOL

PROBLEM TO BE SOLVED: To provide a glass manufacturing apparatus capable of controlling the temperature of the lower end face of a casing in high accuracy without being influenced by the ambient temperature.SOLUTION: A glass manufacturing apparatus comprising cooling means 30 for cooling a casing 12 to become the outline of a molding device of molten glass, wherein the cooling means 30 comprises: a cooling chamber 4 disposed as an evacuated closed chamber on the outside of the casing 12; injection means 5 for injecting a cooling fluid to the outer circumference of the casing 12 in the cooling chamber 4; and suction means 6 for sucking the inside of the cooling chamber 4 thereby to gasify and cool the casing 12 with the evaporation latent heat of the cooling fluid.SELECTED DRAWING: Figure 1 【課題】ケーシングの下端面の温度を、外気温に影響されず高い精度で温度管理できるガラス製造装置の提供。【解決手段】溶融ガラスの成形装置の外郭となるケーシング１２を冷却する冷却手段３０を有するガラス製造装置において、冷却手段３０は、ケーシング１２の外側に減圧密閉空間として設けられた冷却室４と、冷却室４内のケーシング１２の外周面に冷却流体を噴射する噴射手段５と、冷却室４内を吸引して、冷却流体の蒸発潜熱によりケーシング１２を気化冷却させる吸引手段６とを有するガラス製造装置。【選択図】図１