Working Simulation Method of Glass Electric Melting Furnace

Abstract

The invention discloses a working simulation method of a glass electric melting furnace and its application. The working simulation method of a glass electric melting furnace is based on fluent software, and includes the following steps: establishing a geometric model of molten glass, dividing a grid, and making the electrode surface adjacent to the vicinity Draw a clear dividing line in the insulating refractory area to add an electric field module; set boundary conditions according to the actual production situation, in which the voltage boundary condition is added to the electrode surface; simulate the temperature field, flow field and electric field of the glass liquid, and obtain the The temperature field distribution of the molten glass, the temperature field distribution of the space flame and the distribution of the velocity field in different regions; the initial temperature distribution of the liquid surface of the glass adopts the mountain-shaped temperature system, and the final curve is obtained through simulation coupling and curve fitting, and is imported by user-defined functions Calculation; the conductivity curve, viscosity curve and thermal conductivity of the glass liquid changing with temperature are measured in advance, and imported into the model through a custom function. The invention analyzes the working principle of the electric melting furnace at low cost.

Description

technical field [0001] The invention relates to the technical field of glass electric melting furnace principles, in particular to a method for simulating the operation of a glass electric melting furnace. Background technique [0002] TFT (Thin Film Transistor, Thin Film Transistor) display screen is the mainstream display device on various notebook computers and desktop computers, so the demand for TFT liquid crystal glass substrates is relatively large. The usual furnace type for preparing TFT liquid crystal glass substrates is 5-30 tons per day. The thickness of TFT liquid crystal glass substrates is generally 0.3mm-0.7mm. It is a high-strength and high-hardness material. At 1580°C, it does not contain colored particles such as iron, is colorless and has high transmittance, and has low high-temperature conductivity. In the liquid crystal glass substrate manufacturing process, the furnace melting pool is a device for melting glass. The flame combustion can melt the batc...

AI Technical Summary

Problems solved by technology

Using foreign software training is troublesome, the software cost is high, the service cost is also high, the application range is small, and there are a lot of immature places, and there is a lack of communication between users

Other companies directly purchase services, provide models and boundary conditions, and let foreign professional simulation companies conduct corresponding simulations. It usually takes several rounds of simulations. Each time they should go through procedures such as quotation and negotiation. The time is long, the procedures are complicated, and the communication is difficult. On the other hand, the cost is also very high

Most companies basically do not do simulation, and they have little grasp of the principles of related furnaces. They all rely on the accumulation of practical experience and need a long time to explore. Many electric melting furnaces cannot be produced normally for a long time.

[0007] At present, fluent software is also used for mathematical simulation of the combustion space of glass furnaces, but the results are not ideal and cannot meet the high requirements of TFT liquid crystal glass substrates

Images