Technical Articles

$Glass Furnace Refractory Repair and AZS Sele...$

Glass Furnace Refractory Repair and AZS Sele...

Hot repair and cold repair are two different approaches to managing refractory wear in glass furnaces. This guide explains when each method may be considered and how proper refractory zoning and AZS 33, 36, and 41 selection can support reliable furnace pe...

10 Questions to Ask Before Buying Fused Cast A...

10 Questions to Ask Before Buying Fused Cast A...

When purchasing fused cast AZS blocks for a glass furnace, price, grade and delivery time are usually the first things buyers compare. These factors are important, but they are not enough to determine whether a refractory block is suitable for a particula...

Glass Line Corrosion in Glass Furnaces: Causes...

Glass Line Corrosion in Glass Furnaces: Causes...

Learn what causes glass line corrosion in glass furnaces, why this transition zone is particularly vulnerable, and how chemical attack, alkali vapor, thermal cycling, and mechanical erosion affect refractory performance. This article explains common signs of...

AZS 33 vs AZS 36 vs AZS 41: How to Select...

AZS 33 vs AZS 36 vs AZS 41: How to Select...

Learn how to select the right fused cast AZS blocks for glass furnaces. This guide explains the differences between AZS 33, AZS 36, and AZS 41, their application areas, zoning selection principles, and key factors for improving furnace campaign l...

Glass Furnace Throat Optimization: Structure, M...

Glass Furnace Throat Optimization: Structure, M...

The furnace throat is a critical component in glass melting furnaces, directly affecting furnace campaign life, glass flow stability, and final product quality. Operating under extreme conditions such as high temperature, molten glass corrosion, and thermal ...

Fused Cast AZS Blocks Cracking in Glass Fur...

Fused Cast AZS Blocks Cracking in Glass Fur...

AZS block cracking is one of the most common refractory problems in glass furnaces. While often mistaken as a material defect, cracking is usually the result of multiple factors, including thermal stress, temperature gradients, chemical corrosion, and stru...

Energy-Saving Technologies for Modern Glass Fu...

Energy-Saving Technologies for Modern Glass Fu...

In modern glass manufacturing, the glass melting furnace remains the largest energy-consuming unit in the entire production process, accounting for more than 75% of total plant energy consumption. Therefore, improving glass furnace energy efficiency has beco...

How to Extend the Service Life of Glass Furnac...

How to Extend the Service Life of Glass Furnac...

Glass furnaces operate continuously in extreme high-temperature environments exceeding 1500℃.Electrodes, bubbling systems, and fused cast AZS blocks are the most rapidly worn components and the most likely to trigger operational failures. Based on pract...

How Fused Cast AZS Blocks Extend the Lifesp...

How Fused Cast AZS Blocks Extend the Lifesp...

Critical areas of a glass furnace—including the Doghouse, Throat, furnace bottom, melting tank walls, and furnace corners—serve as the core hubs that sustain continuous glass production. The service condition of these zones directly determines the overal...

Usage Requirements of Fused Cast AZS Blocks ...

Usage Requirements of Fused Cast AZS Blocks ...

Glass furnaces operate for long periods under high-temperature and highly corrosive conditions, making cold repair a critical process for restoring their performance. As the refractory material used in the key areas of the furnace, the quality of fused cast ...

Main Factors Affecting the Flow State of Molte...

Main Factors Affecting the Flow State of Molte...

The flow state of molten glass inside a glass furnace is one of the key factors determining glass product quality, production efficiency, and furnace campaign life. The circulation pattern, flow velocity, and uniformity of molten glass directly influence the...

$Doghouse & Throat: Optimization of Refractory M...$

Doghouse & Throat: Optimization of Refractory M...

As the core equipment in glass production, the operational stability of a glass furnace directly determines product quality, production efficiency, and overall cost. The transition zone—serving as the critical link between the melting zone and the downstrea...

Application and Advantages of Fused Cast AZS ...

Application and Advantages of Fused Cast AZS ...

The core process of glass production relies on the high-temperature melting operation of the furnace. The extremely high-temperature environment maintained inside the furnace for extended periods subjects the refractory materials used for the lining to conti...

Application of All-electric Glass Melting Furna...

Application of All-electric Glass Melting Furna...

Container glass is widely used in the food, beverage, pharmaceutical, and other industries and is an important material in packaging. The development of production technology is crucial for improving the quality of container glass, reducing costs, and enhanc...

Glass Furnace Leakage: A Root Cause Analysis ...

Glass Furnace Leakage: A Root Cause Analysis ...

Water leakage in glass furnaces is a common and serious hidden hazard in production. It not only directly affects production continuity but can also lead to equipment damage and economic loss. As the core load-bearing material in key areas of the furnace, t...

What are the Factors Affecting the Melting Rate...

What are the Factors Affecting the Melting Rate...

The melting rate of a glass furnace, as a core indicator for measuring its production efficiency, directly determines the output of molten glass per unit time and per unit area (or volume). This indicator is not only closely related to the rationality of the...

Nonshutdown Crown Repair: A Systematic Approac...

Nonshutdown Crown Repair: A Systematic Approac...

Glass furnaces are the core equipment in glass production, and their operational stability directly impacts production efficiency and product quality. Refractory materials, serving as the critical component that resists high-temperature erosion and supports ...

Discussion on Construction Technology and Requir...

Discussion on Construction Technology and Requir...

This paper focuses on the construction technology and requirements for insulation materials used in the tank bottom and sidewalls of glass furnaces. It elaborates on the importance of insulation for glass furnaces and introduces commonly used insulation mate...

Comparative Analysis of Fused Cast AZS Block...

Comparative Analysis of Fused Cast AZS Block...

Refractory materials are indispensable in industrial furnaces, and their performance directly impacts the furnace‘s operational efficiency and service life. Fused cast AZS blocks, silica bricks, and corundum bricks, as common refractory materials, each p...

Maintenance of Regenerator Checkerwork and Appli...

Maintenance of Regenerator Checkerwork and Appli...

In the modern glass industry, float glass, renowned for its high flatness, large production capacity, and stable quality, holds a dominant position in the glass product market. The core equipment of float glass production – the float glass furnace, often re...

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