Some Top Industries Wherein Refractories Form the Core of Operations

Some Top Industries Wherein Refractories Form the Core of Operations

Every industrial manufacturing process that deals with severe temperatures needs refractory solutions.  Refractory products are produced and supplied by various companies in India for applications in a wide range of industries. Industrial refractory services create, install, and repair monolithic and refractory shapes. Solid heat-resistant materials known as refractories are ideal for high temperature, wear resistance, and applications requiring electrical and thermal insulation. Molds, crucibles, furnaces, reactors, incinerators, and kilns all use refractory materials. The following list includes some of the top industries that rely on refractory products:

Aluminum Industry

The refractory material installation consists of the refractories produced and supplied to the aluminium sector. Due to their important roles, furnaces in the aluminium sector require top-notch refractory solutions from refractory services providers at every level. The following list includes a few of the functions:

  • Recycling of aluminium waste
  • Refining, and
  • Melting.

Aluminum is a superior option when it comes to materials with a high oxygen affinity since it has a good possibility of reactions that could produce corundum at the surface lining. The refractory lining and bricks are crucial to the aluminium industry because of the great outcomes and other advantageous applications. 

Cement Industry 

Produced by the top providers of refractory solutions for cement, refractories play many different roles in cement kilns. Some of them include the following:

Safeguard the steel shell from heat

The maximum working temperature advised for carbon steel is exceeded by the material and gas temperatures inside the rotary kiln. The kiln shell would be damaged by heat without refractories. As a result, the kiln must be shut down for lining repair as soon as the refractory lining fails. Common names for the overheated regions on the kiln shell include ‘hot spots’ and ‘red spots.’ 

Refractories in the cement industry prevent abrasion damage

Refractories in the cement industry prevent abrasion damage to the kiln shell. Because cement clinker is so abrasive, the steel shell would corrode without refractories. They also reduce heat loss through the kiln shell, which absorbs some of the heat that is given to the system as radiation. Because of their comparatively low thermal conductivity, refractories prevent heat loss. 

Manage the flow of material through the kiln

Refractories produced and supplied by the top 10 refractory companies in India also manage the flow of material through the kiln. The kiln load moves while being affected by the slope and rotation of the kiln. Material residence duration can be controlled to some extent in the kiln by cam linings, dams, tumblers, and trefoils that block material flow. Refractories used in the cement industry also increase heat transmission from the gas to the solids, from the refractory to the load, and within the load itself through agitation and surface renewal. Tumblers, trefoils, and profiled linings stimulate material tumbling and mixing.

Iron and Steel Industry

The main raw material used in the iron and steel industry is refractories. To produce iron and steel with improved heat control, the refractory monolithic is utilized. The iron and steel sector additionally utilizes refractory solutions in addition to the refractory monolithic. The following are some additional uses for refractories besides foundry refractory mix:

  • Moving different kinds of metals and slags
  • Furnace lining for heating steel 
  • Variety of flues where hot gases are present.

Benefits of refractory products for the iron and steel sector

Refractory materials have historically been used extensively to line metallurgical vessels used in the manufacturing of crude steel. Even though their primary function was once essentially restricted to safeguarding the steel vessel casings, they now need to be seen as an essential component of the metallurgical process. The intrinsic properties of the material are no longer the only foundation for current refractory technology. It has grown into a branch of technology that covers heat engineering, methods for monitoring, furnace design, setting up liners, and furnace operation. The advancement of steel and iron production methods occurred along with the development of refractory technology and refractory material suppliers.

Although the primary characteristic of refractories is indeed their ability to hold substances at high temperatures, refractories comprise a vast class of materials with this capability to varied degrees throughout time and depending on usage. Refractory materials come in a wide range, are produced in a variety of shapes and forms, particularly for the iron and steel industry, and have been modified for use in numerous applications. When in use, they can all be exposed to temperatures more than 1000°F (538°C).

Some of the top advantages of refractory solutions in the iron and steel industry include the following:

  • Innovation-driven technology
  • Provide necessary safety as per the global security standards
  • Optimized the mining concepts remaining in sync with the production process
  • Material and systems optimized for the particular metallurgical needs
  • Individually adapted systems for easy and effective problem-solving.

Glass Industry

Refractory solutions produced and supplied by the top 10 refractory companies in India also are used in the glass sector. The glass industry is widely recognized for subjecting its furnaces to a variety of thermal and chemical exposures that have a detrimental effect on the furnaces' structural integrity. As a result, the glass sector is dependent on high-quality refractory products. One of the most frequent occurrences in the glass industry is the chemical degradation brought on by the excessive temperature in the furnace liner. Using high-quality refractory materials will let you simply avoid it. The installation work must also be done by a qualified refractory lining contractor for all glass processes to resist rapid temperature variations.

Concluding Remarks 

RHI Magnesita India is among the top 10 refractory companies in India offering high-grade refractory products, systems and solutions which are indispensable for high-temperature industrial processes exceeding 1,200°C in a wide range of industries, including steel, cement, non-ferrous metals and glass. The company is the single refractory solutions platform offering the industry’s most comprehensive product and solutions portfolio. This includes Magnesia and Alumina-based bricks and mixes for large industrial customers as well as speciality refractory products like Isostatic products and Slide Gates.