Dead Burned Magnesite Kiln
Calcination kiln engineering expert
As a technical expert with more than 20 years of experience in high-temperature industrial kiln design and manufacturing, AGICO CEMENT has long served the refractory, metallurgical, and building materials industries, and has conducted in-depth research on the calcination process of magnesia materials. We are willing to provide turnkey dead burned magnesite kiln project with a professional design capabilities, perfect manufacturing technology and responsible service attitude, helping you stand out in the magnesium material industry.
demand of DBM
Dead-burned magnesite(DBM) refers to magnesite calcined at a high temperature above 1600°C (or “dead burning”) to produce dense magnesium oxide. it’s necessary to mention another magnesium oxide product – Caustic calcined magnesite (CCM), the two are magnesium oxide products calcined at different temperatures. In short, CCM is a primary calcination product, while DBM is a deep calcined, high-temperature sintered body. AGICO CEMENT also provides caustic calcined magnesite kiln solutions for clients.
With the continuous growth of global demand for high-performance refractory materials, the strategic position of dead-burned magnesite (DBM) as a basic refractory raw material continues to rise. Among many magnesium raw materials, DBM has become an indispensable material for industries such as steel, calcium carbide, and nonferrous metallurgy due to its high refractoriness, high volume stability, and good slag resistance. To produce high-quality DBM, the key lies in the precise selection and configuration of the calcining equipment, the “rotary kiln”.
Dead-burned magnesite kiln system
For medium and large-scale DBM projects, we recommend a coal/gas dual-use rotary kiln with a design temperature of 1800°C and a calcination zone control temperature range of 1650~1750°C, which can meet the calcination requirements of high activity, low ignition loss and high-quality finished products.
Support auxiliary systems:
- Preheater and cooler system: It is recommended to configure a cyclone three-stage preheater and a single-cylinder/countercurrent multi-wind cooler to effectively improve thermal efficiency and recover waste heat from exhaust gas;
- Combustion system: The German technology dual burner system can quickly switch between natural gas and coal gas/coal powder to optimize fuel costs;
- Dust removal system: bag + cyclone combination, up-to-standard emission;
- Automated control system: DCS central control platform + infrared temperature measurement at the head and tail of the kiln to achieve intelligent and visual production.
Strong high-temperature stability
Using high-temperature resistant high-alumina bricks as the main lining material, combined with a multi-layer insulation system, it effectively controls heat loss and greatly extends the life of refractory materials (up to 18-24 months), supporting long-term continuous calcination.
Wide fuel adaptability and low operating cost
Supports multiple fuel switching, especially gas and coal powder solutions are suitable for areas with concentrated raw materials and large fuel price fluctuations, greatly reducing operating costs.
Intelligent control and high product quality consistency
Introducing AI data analysis module to achieve automatic temperature control and real-time correction of the calcination zone, DBM MgO content fluctuations can be controlled within ±0.3%, and the stability is much better than ordinary kiln types.
Environmental protection standard design
The system is fully enclosed and equipped with high-efficiency dust collectors and waste heat recovery devices, which meet domestic and international environmental protection standards. In actual operation, the dust emission concentration is <20mg/m³, which is far better than most similar projects in the industry.
full spare parts supply
why choose AGICO CEMENT?
Our company has been focusing on the design and manufacture of high-temperature thermal equipment for more than 20 years. It is a well-known domestic refractory calcining kiln overall solution service provider with the following significant advantages:
Full industry chain manufacturing capabilities
We have our own heavy-duty processing workshop, which has the integrated capabilities of welding, heat treatment, finishing, and assembly to ensure that key components are self-produced and self-controlled, and delivery is timely and reliable.
Experienced engineering team
We have more than 10 senior kiln engineers, all of whom have international project backgrounds and can carry out localized customized designs according to the differences in raw materials in different regions.
Complete after-sales and remote operation and maintenance system
After the project is delivered, we provide on-site commissioning, worker training, remote operation and maintenance, and overhaul technical support. Some projects can also sign “operation contracting + benefit sharing” cooperation agreements.
Rich project cases
We have successful experience in DBM projects in Liaoning, Shandong, Gansu, Guizhou and other places in China, as well as in India, Iran, and Egypt overseas, and you can visit and inspect them on site.
