Ladder type decompression de-foaming device for increasing clear quality of molten glass

A kind of molten glass, stepped technology, applied in glass furnace equipment, glass manufacturing equipment, manufacturing tools, etc., can solve the problems of high energy consumption, many bubbles, unsatisfactory glass clarification quality, etc., to improve clarification quality and reduce energy consumption Effect

Pending Publication Date: 2017-06-13
(CNBM) BENGBU DESIGN & RES INST FOR GLASS IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the disadvantages of higher energy consumption, unsatisfactory glass clarification quality and more bubbles in the cl

Method used

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  • Ladder type decompression de-foaming device for increasing clear quality of molten glass

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Embodiment Construction

[0013] In order to make the present invention clearer, the device will be described in detail below in conjunction with the accompanying drawings. The specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.

[0014] Such as figure 1 As shown, a stepped decompression degassing device for improving the clarification quality of molten glass provided by the present invention includes a melting tank 1, the melting tank 1 is connected to a decompression degassing tank 3 through a rising pipe 2, and the decompression degassing tank 3 Divided into No. I tank 9, No. II tank 10 and No. III tank 11 which communicate with each other, No. I tank 9 is provided with a first exhaust port 12, and No. II tank 10 is provided with a second exhaust port 13. No. III tank 11 is provided with a third exhaust port 14 . The pressure in No. 1 tank 9 is P1, the pressure in No. 2 tank 10 is P2, and the pressure in No. 3 tank...

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Abstract

The invention relates to a ladder type decompression de-foaming device for increasing the clear quality of molten glass. The device comprises a melting tank (1), wherein the melting tank (1) is connected with a decompression de-foaming tank (3) through an ascending pipe (2); a set of exhaust vents are formed in the decompression de-foaming tank (3); an outer shell (4) is arranged on the outer side of the decompression de-foaming tank (3); a vacuum pump (5) is connected with the outer shell (4); a heat-insulating material (6) is filled between the outer shell (4) and the melting tank (1); and the decompression de-foaming tank (3) is connected with a reflux tank (8) through a descending pipe (7). The invention has the advantages that the device is used for performing ladder type decompression on the molten glass; after the pressure is reduced, the foam diameters of the foams in the molten glass are gradually increased and the foams quickly overflow, so that the de-foaming and clearing effects are achieved; and compared with a traditional fixed target negative pressure method, the device can more fully separate air bubbles from the molten glass, the clear quality of the molten glass is increased, and the energy consumption is greatly lowered.

Description

technical field [0001] The invention relates to the technical field of clarification of molten glass, in particular to a stepped decompression degassing device for improving the clarification quality of molten glass. Background technique [0002] Traditional molten glass is prepared under normal pressure, and the entire clarification process of molten glass is also completed under normal pressure. The molten glass obtained by melting raw materials is stored under normal pressure and at a specified temperature for a certain period of time. , so that the air bubbles in the molten glass are grown and floated up by the clarifying agent, and the air bubbles are removed. For glass that is difficult to clarify and has a high viscosity, there is also the following degassing method under reduced pressure: the entire degassing process of molten glass is completed under reduced pressure, and the degassing area is kept at a fixed negative pressure state, and the raw materials are melted...

Claims

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Application Information

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IPC IPC(8): C03B5/225
CPCC03B5/2252
Inventor 单传丽赵凤阳曹欣石丽芬崔介东彭冬冬
Owner (CNBM) BENGBU DESIGN & RES INST FOR GLASS IND CO LTD
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