China Calcination Rotary Kiln Manufacturers Factory

Your Professional Calcination Rotary Kiln Supplier

AGICO Cement International Engineering Co., Ltd. is a leading company in China's building materials machinery industry. Founded in 1997, the company is based in a 66,000-square-meter industrial park, with 30,000 square meters of modern workshop space. It has a registered capital of 81.34 million yuan and employs 230 staff, including 42 experienced technical professionals with mid to senior-level qualifications.

Electromagnetic Heating Rotary Kiln
AGICO's electromagnetic heating rotary kiln adopts advanced induction heating technology, which can provide over 90% thermal efficiency, precise temperature control and zero emissions, achieving sustainable industrial processing.
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Coal Fired Kiln
We supply coal fired kilns that use coal as fuel. They feature high output, excellent quality and ISO9001 certification, and are widely favored by customers around the world.
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Pyrolysis Kiln
AGICO offers compact, easy-to-operate and easy-to-maintain pyrolysis kilns, which can be applied in industrial production requiring continuous high-temperature operations.
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RDF Fired Rotary Kiln
AGICO offers you high-quality RDF(refuse derived fuel)fired rotary kiln, which is scientifically environmentally friendly, highly energy-efficient, with a daily output of 180-10,000 tons. Customized services are available, and it is
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Gas Fired Kiln
AGICO offers you high-quality, internationally quality-assured gas fired rotary kilns with a daily output of 180-1000 tons up to 1100°C.
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Direct Fired Rotary Kiln
AGICO's direct fired rotary kiln enables direct contact between materials and flames, ensuring efficient high-temperature processing up to 1650°C. Ideal for sintering, roasting, and calcination in cement, metallurgy, and chemical
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Rotary Kiln Electric Furnace
A rotary kiln electric furnace is a type of indirect-fired rotary kiln where heat is applied externally to the furnace tube. Electricity is used to indirectly heat the materials inside, allowing them to reach the necessary temperature for
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Electric Rotary Kiln
The Electric Rotary Kiln is a high-efficiency, energy-saving equipment designed for thermal processing of materials. It features precise temperature control, uniform heating, and low emissions, making it ideal for industries like cement,
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Indirect Fired Rotary Kiln
An indirect fired rotary kiln heats materials without direct contact with the heat source. Heat is transferred through the kiln's shell, making it ideal for processing sensitive or volatile materials in controlled atmospheres, such as
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Oil Fired Kiln
An oil-fired kiln is a type of industrial furnace that uses oil as its main fuel source to generate high temperatures. It is commonly used in cement, ceramics, and metallurgy industries for heating materials efficiently and evenly.
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Why choose us

Our Certificate
The company has passed ISO, CE, picture: ISO1, ISO2, AAA, ce, CQC, PT quality management system certification and has independent import and export rights.

Production Market
Our products are sold across 27 provinces in China and exported to countries such as Brazil, Angola, Vietnam, and Mongolia, thanks to our independent import and export rights.

Quality Assurance
In terms of quality assurance, the company strictly follows the standards and norms of the industry quality system. Adopt industry-leading testing equipment to ensure product quality and good reputation.

Service Advantages
We provide market analysis, demand assessment, equipment selection guidance, and project design to ensure the equipment meets your specific needs.including installation guidance, maintenance, spare parts supply, training, and troubleshooting services to ensure long-term operational success.

Indirect Fired Rotary Kiln

Indirect-fired rotary kilns, also known as externally heated rotary kilns or isolated rotary kilns. Indirect-Fired Rotary Kiln is a heat treatment device widely used in industrial production. Its primary feature is using an external heating source to heat the kiln body. Heat is transferred to the material indirectly through the kiln wall, enabling processes such as pyrolysis, calcination, and drying. This design prevents direct contact between raw materials and the combustion source or byproducts, ensuring the purity and quality of the final product.

Specifications (Mm)	Kiln dimensions			Output (T/h)	Rotation speed(R/min)	Motor power(Kw)	Weight (T)	Note
Specifications (Mm)	Diameter (Mm)	Length (Mm)	Obliquity (%)	Output (T/h)	Rotation speed(R/min)	Motor power(Kw)	Weight (T)	Note
Φ2.5×40	2.5	40	3.5	180	0.44-2.44	55	149.61	Kiln with shaft cyclone preheater
Φ2.5×50	2.5	50	3	200	0.62-1.86	55	187.37	----
Φ2.5×54	2.5	54	3.5	204	0.48-1.45	55	196.29	----
Φ2.7×42	2.7	42	3.5	320	0.10-1.52	55	198.5	----
Φ2.8×44	2.8	44	3.5	400	0.437-2.18	55	201.58	Outside disassemble kiln
Φ3.0×45	3	45	3.5	500	0.5-2.47	75	210.94	----
Φ3.0×48	3	48	3.5	700	0.6-3.48	100	237	Outside disassemble kiln
Φ3.0×60	3	60	3.5	300	0.3-2	100	310	Alumyte-alumina forge kiln
Φ3.2×50	3.2	50	4	1000	0.6-3	125	278	Outside disassemble kiln
Φ3.3×52	3.3	52	3.5	1300	0.266-2.66	125	283	Kiln with preheater precalcine
Φ3.5×54	3.5	54	3.5	1500	0.55-3.4	220	363	Kiln with preheater precalcine
Φ3.6×70	3.6	70	3.5	1800	0.25-1.25	125	419	Generating kiln for using ofterheat
Φ4.0×56	4	56	4	2300	0.41-4.07	315	456	Kiln with preheater precalcine
Φ4.0×60	4	60	3.5	2500	0.396-3.96	315	510	Kiln with preheater precalcine
Φ4.2×60	4.2	60	4	2750	0.4-3.98	375	633	Kiln with preheater precalcine
Φ4.3×60	4.3	60	3.5	3200	0.396-3.96	375	583	Kiln with preheater precalcine
Φ4.5×66	4.5	66	3.5	4000	0.41-4.1	560	710.4	Kiln with preheater precalcine

Advantages of Electric rotary kiln

Thermal Efficiency
Electric rotary kilns achieve smokeless thermal efficiency due to the absence of combustion gases. This eliminates heat losses associated with gas flow and results in energy efficiency exceeding 95% across the entire temperature range.

Smoke and Ash Reduction
Electric heating eliminates the production of smoke and ash, significantly reducing emissions and improving air quality. This eliminates the need for costly exhaust gas handling systems and ash disposal.

Automated Control
Electric rotary kilns feature precise temperature control accuracy, making them suitable for processes with narrow pre-firing temperature requirements. Automated control systems ensure consistent and optimal operating conditions, minimizing the risk of product defects.

Environmental Friendliness
Electric rotary kilns do not require fuel storage or transportation, simplifying operations and eliminating safety concerns associated with fuel handling. They also avoid the emission of sulfur dioxide (SO2) gas, which can corrode the kiln body and contribute to environmental pollution.

Economic Benefits
Despite the perception that electric power is expensive, the inclusion of CO2 taxes and heat efficiency considerations makes electric rotary kilns economically viable. They eliminate the need for fuel procurement, transportation, and safety management, reducing operational costs.

Type of Electric Rotary Kiln

Cement Electric Rotary Kiln

It is used for calcining cement clinker and is the core equipment in cement production. Through electric energy heating, high-temperature calcination of cement raw materials is achieved to produce cement clinker.

Metallurgical Electric Rotary Kiln

It is widely used in the metallurgical industry, such as in the smelting process of metals such as alumina and ferroalloys. Electric energy is used to provide a high-temperature environment to promote the reduction or oxidation reaction of metal ores.

Chemical Electric Rotary Kiln

In the chemical industry, it is used to produce chemical products such as phosphate fertilizers and titanium dioxide. Electric energy heating ensures that chemical reactions are carried out under precisely controlled temperature conditions to improve product quality.

Lime Electric Rotary Kiln

Specially used to calcine limestone and produce active lime or quicklime. Electric energy heating causes limestone to decompose at high temperatures to produce the required lime products.

Applications of Electric rotary kiln

Cement production

Used for calcining limestone to produce clinker.

Lime production

For the production of quicklime or hydrated lime from limestone.

Ceramics manufacturing

For firing ceramic products such as bricks, tiles, or porcelain.

Metallurgical processes

For roasting ores or sintering metals.

Waste treatment

For treating hazardous or non-hazardous waste through incineration.

How the Electric Rotary Kiln works

The electric rotary kiln operates by rotating the raw materials through a high-temperature environment, where they undergo chemical reactions (such as calcination, sintering, or roasting) due to the heat provided by the electric heating system.

The materials are gradually heated as they move through the kiln, with the temperature increasing along the length of the kiln. The rotation of the kiln allows the materials to mix and react evenly.

The processed material exits the kiln at the other end, where it may undergo further processing or be cooled.

Components of Electric Rotary Kiln

Shell

The outer structure of the furnace that houses the internal components.

Refractory Lining

A heat-resistant material lining the inside of the shell to protect it from high temperatures.

Support Tyres (Riding Rings) and Rollers

These components support the rotating barrel and allow it to rotate smoothly.

Drive Gear

The mechanism that drives the rotation of the barrel.

Internal Heat Exchangers

Components that facilitate the transfer of heat to the materials being processed.

FAQ

Q: What's the kiln heat temperature?

A: Material feeding zone:100-200ºC,preheat zone:200-800ºC,burning zone:800-1450ºC,cooling zone:100-800ºC

Q: What's the temperature of the kiln outside?

A: 130ºC-350ºC

Q: How about the kiln heat efficiency?

A: 75%-85%

Q: What's the fuel being used for the kiln?

A: Natural gas,Coal powder,diesel oil,HFO etc.

Q: How long the kiln liner should be changed?

A: 7-10 years

As one of the most professional calcination rotary kiln manufacturers in China, we're featured by quality products and good price. Please feel free to buy high-grade calcination rotary kiln for sale here from our factory.

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