Your Professional Unshaped Refractory Materials Supplier
Shandong Luming New Materials Technology Co., LTD covers an area of 62 acres(approx. 41,000㎡),offers end-to-end production solutions. We are fully equipped with facilities for raw material crushing and pulverizing, automated castable batching, precast block molding, tunnel drying, high-temperature shuttle kiln firing, and precision processing of both precast and fired products, ensuring we can fulfill the requirements of customers in any industry.Shandong Luming New Materials Technology Co., LTD Founded in 2003, it is the largest unshaped refractory material production enterprise in Shandong Province, located in Zhoucun District, Zibo City.
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Why Choose Us
Quality Assurance
Our company obtained ISO9001 International Quality Management System certification from the China Quality Certification Centre (CQC) in 2006.
After-Sale Service
Professional and thoughtful after -sales team, let you worry about us after -sales Intimate service, strong after -sales team support.
Custom-Engineered Solutions
By pioneering new energy-saving refractory materials and innovating kiln lining designs, we dedicate ourselves to helping clients achieve energy conservation and emission reduction goals.
Production Market
We have established long-term business cooperation and joint product R&D projects with leading design institutes, including:Dalian Design & Research Institute of ACRE (Coking & Refractory Engineering Consulting Corporation, MCC)),Shandong Metallurgical Design Institute Co., Ltd,Changsha Research Institute of Mining and Metallurgy (CRIMM), Minmetals.
Advantages of Unshaped Refractory Materials
Enhanced Thermal Efficiency
One of the primary advantages of refractory monolithics is their ability to provide superior thermal insulation. Monolithic materials can be tailored to specific boiler designs, ensuring a tight and consistent fit. This tight fit minimizes heat loss, resulting in enhanced thermal efficiency.
Reduced Installation Time
Compared to traditional refractory bricks, which require meticulous placement and skilled labor, monolithic refractories offer a quicker installation process. The wet or plastic forms can be easily applied, tamped, or gunned into place, significantly reducing downtime during boiler maintenance or repairs.
Excellent Thermal Shock Resistance
Boilers often undergo rapid temperature changes during their operational cycles. Refractory monolithics are renowned for their exceptional thermal shock resistance, as they can withstand sudden temperature fluctuations without cracking or spalling.
Increased Corrosion Resistance
Many boiler applications involve exposure to corrosive environments due to the nature of the materials processed or the combustion byproducts. Refractory monolithics can be engineered to resist corrosion effectively.
Customizable Formulations
Refractory monolithics offer a high degree of customization. Manufacturers can tailor the composition of monolithic materials to suit specific boiler requirements, including temperature ranges, chemical resistance, and mechanical strength.
Reduced Maintenance Costs
The durability and longevity of refractory monolithics contribute to a significant reduction in maintenance costs over time. With fewer repairs and replacements required, boiler operators can allocate resources more efficiently, focusing on optimizing production processes rather than addressing refractory issues.
Improved Safety
Safety is a paramount concern in industrial settings, and refractory monolithics play a crucial role in enhancing boiler safety. Their ability to withstand extreme temperatures and thermal shock minimizes the risk of unexpected failures that could lead to accidents, downtime, or environmental hazards.
Sustainable Solutions
As industries increasingly prioritize sustainability, refractory monolithics offer eco-friendly advantages. Their energy-efficient properties reduce fuel consumption, contributing to lower carbon emissions. Additionally, the longer service life and reduced need for replacements result in less waste and a smaller environmental footprint.
Specification
|
Property |
Value (LMGM65) |
|
Al₂O₃ Content (%) |
≥65 |
|
Bulk Density (g/cm³) |
≥2.65 |
|
Compressive Strength (MPa) |
60 (110°C), 80 (1300°C) |
|
Thermal Shock Resistance (1100°C cycles) |
≥20 |
Castables
These monolithic refractory materials are made of fine and coarse precision-graded refractory grains with a binder system. After being molded into specific shapes to suit a wide range of applications, the corresponding lining or samples are heated at high temperature.
Dry Vibrated Cements
These monolithic refractory materials result from a high selection of pure grains and fines to be installed under vibration without any water addition. This complex system is based on mix phases transformation at different key temperatures all along the application process.
Mortar
Refractory mortar is used to join or repair bricks and tiles in extremely high-temperature applications. It is engineered with refractory powders, binders, and water to meet client requirements.
Ramming
Ramming is another method for applying monolithic materials. The process involves compacting the material into shape using a rammer, which helps the material compaction to get the suitable thermomechanical properties for the final application.
Shotcrete
Shotcrete is concrete or mortar used for rapid construction or repairs of bridges, buildings, storage reservoirs, and other constructions. It is mixed through the dry-mix or wet-mix process before it is applied with a high-velocity spray projected at the desired surface, reducing repair downtime and enhancing performance during melting operations.
Gunning
Gunning is a method used to apply monolithic materials for coating and repair purposes. The process involves spraying the desired material onto a component’s surface to form a coating, with thickness levels ranging from 10 to 30mm.
Characteristics Of Unshaped Refractory Materials
Amorphous refractory materials, also known as bulk refractories, are made of aggregates, fine powders, binders and admixtures in a certain proportion. They can be used directly without firing. Its main features include:
Simple manufacturing process
Raw materials are easy to obtain and low cost.
Strong plasticity
High refractoriness and chemical stability, can be prefabricated into blocks, and convenient for mechanized construction.
Easy to use
Can be used directly or after mixing.
Specific application of Unshaped Refractory Materials
Application on blast furnace
Traditional blast furnaces use refractory brick linings, and modern blast furnaces mostly use resin-bonded aluminum carbon unburned bricks. The water-cooled wall of large blast furnaces uses SiC castables, and the furnace bottom pad and surrounding brick joints are filled with silicon nitride materials.
Application on ladle
Ladle refractory materials are gradually replaced by amorphous refractory materials due to the increase of tapping temperature and the extension of molten steel retention time. Al₂O₃-spinel castables are widely used in the side walls of ladle and have good corrosion resistance.
Application on heating furnace
The heating furnace is used for high-temperature heating of steel billets. Castables or plastics can be used for the furnace top and lining. The lining of large walking beam heating furnaces uses plastic refractory materials, and the service life can reach 12-15 years.
Packaging and Shipping
1.Packed on wooden pallets with moisture-proof film or wooden plates to prevent damage.
2.Keep in dry, ventilated areas.
FAQ
As one of the most professional unshaped refractory materials manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy unshaped refractory materials at competitive price from our factory.
