The 400,000-ton steel rolling mill renovation project utilizes a high-efficiency regenerative, all-blast furnace gas-fired heating furnace. This furnace integrates a high-efficiency regenerative combustion system and a reversing system, enabling dual preheating of air and gas to 1000°C. The furnace has an effective length of 30 meters, an inner width of 4.3 meters, and a normal …

Application of low-cement castables in regenerative heating furnaces Read More »

Heating furnaces are used in petroleum, chemical, metallurgy, machinery, building materials and other industries. The seven commonly used refractory castables for heating furnaces are: low cement, alumina cement, phosphate, mullite, lightweight, anti-dry slag, self-leveling castables. Other refractory materials include refractory fibers and plastics. (1) Low cement castable It is suitable for the high and medium …

Refractory castables and other refractory materials commonly used in heating furnaces Read More »

In order to improve the purity of molten steel, the quality of ingots and production safety, in the construction of the dry material working layer of the tundish in continuous casting production, standardized operations and refined management measures such as separate material selection, layered control, and key reinforcement are adopted, which effectively improves the service …

Increase the service life of the tundish Read More »

Ladle is an important thermal equipment in steel mills, mainly composed of cladding, refractory lining and SN mechanism. With the continuous development of metallurgical technology, the smelting temperature and continuous casting ratio have increased, and the residence time of molten steel in the ladle has been extended. The use of ladle lining directly affects the …

Analysis on the damage cause of refractory material in ladle lining Read More »

Ladle, also known as steel ladle, steel ladle, ladle, etc., is a container for storing, transporting and processing molten steel, and is an important equipment for refining tasks. Ladle has two main functions: the first is to receive molten steel; the second is refining outside the furnace. With the diversification of secondary refining, the consumption …

Technical development of monolithic refractory materials for ladle Read More »

Heat treatment furnaces are used to treat metals, changing the properties and organization of metals so that they have the required physical and mechanical properties. Heat treatment furnaces are one of the main equipment in the heat treatment workshop of a metallurgical factory. Due to the diversity of process requirements for the metals being treated …

Characteristics of common heat treatment furnaces and introduction to refractory materials for masonry Read More »

The tundish is a device for transferring molten steel between the ladle and the crystallizer. The main tasks of the tundish are: (1) diverting molten steel. For multi-strand continuous casting machines, the molten steel is distributed to each crystallizer through the tundish; (2) stabilizing the flow. Reducing the static pressure of the molten steel, maintaining …

The composition and future development of refractory materials for tundish Read More »

Converter design The state of the steelmaking process makes it almost impossible to directly observe everything that happens in the converter. At present, there is no mathematical model that can fully describe the high-temperature metallurgical and fluid dynamic processes. Since the birth of converter steelmaking, it has been continuously studied and improved, so the metallurgical …

How to design a perfect converter furnace Read More »

In highly corrosive industrial fields such as chemical industry, metallurgy, and environmental protection, acid-resistant refractory castables are key lining materials, and their performance is directly related to equipment life and production safety. Starting from the principles of materials science and combining engineering practice, this paper systematically explains the configuration technology of acid-resistant refractory castables, providing …

Common methods for configuring acid-resistant refractory castables Read More »

Heating Furnace Application Refractory insulation coating to prevent cracking of refractory materials for heating furnace. Heating furnace is used in petroleum, chemical, metallurgy, machinery, building materials and other industrial fields, heating furnace is a necessary equipment in the process of oil field development. Types of refractory materials Refractory adiabatic coating to prevent cracking of refractory …

Types of refractory materials used in various parts of heating furnaces Read More »