+86-13234006716
English 
 |
| Quantity: | |
|---|---|
Liaoning Dongda Powder Engineering Technology Co., Ltd. (DDFT) manufactures gas suspension calciners and complete gas suspension calcination systems for fine powders, minerals and chemical materials.
A gas suspension calciner uses a hot gas stream to suspend or entrain fine solid particles, allowing rapid gas-solid heat transfer for drying, dehydration, decomposition, calcination or other controlled thermal treatment.
The equipment configuration is selected according to the raw material, required thermal reaction, production capacity and final product requirements.
Request a Gas Suspension Calciner Evaluation
Send us your raw material information and processing requirements for a preliminary equipment evaluation.
A gas suspension calciner is a continuous thermal processing system in which fine or powdered solid materials are suspended or entrained in a hot gas stream.
The direct contact between the hot gas and solid particles provides rapid heat transfer and allows controlled thermal treatment.
Depending on the material and process requirements, a gas suspension calciner can be used for:
Drying
Dehydration
Thermal decomposition
Calcination
Phase transformation
Activation
Other controlled thermal reactions
A gas suspension calciner is particularly suitable for fine or powdered materials that can be properly dispersed and transported in a gas stream.
A typical gas suspension calcination process follows this basic sequence:
Raw Material → Feed Preparation → Feeding → Hot Gas Generation → Gas Suspension Calcination → Gas-Solid Separation → Product Collection → Cooling → Exhaust Gas Treatment
Not every project requires every stage.
Depending on the material and process, the system may include:
Crushing or grinding
Drying
Preheating
Feeding and metering
Heat-source and combustion equipment
Gas suspension calciner
Gas-solid separation
Product collection
Product cooling
Dust collection
Exhaust gas treatment
Heat recovery
Automatic control
The final equipment configuration is determined by the specific process rather than by using one identical system for every material.
DDFT develops gas suspension calcination systems for different mineral and chemical materials.
Applications include:
Magnesite → Magnesium oxide
Magnesium hydroxide → Magnesium oxide
Magnesium carbonate → Magnesium oxide
Magnesium nitrate → Magnesium oxide
Light-burned magnesium oxide
Medium-burned magnesium oxide
The required thermal conditions depend on the raw material and the required properties of the magnesium oxide product.
DDFT develops gas suspension drying and calcination equipment for zinc carbonate and other zinc-containing materials to produce zinc oxide.
The appropriate process conditions depend on the raw material composition and required zinc oxide product quality.
Gas suspension calcination systems can also be configured for applications involving:
Desulfurization gypsum
Vanadium-containing materials
Other suitable fine mineral or chemical materials
The suitability of the process must be evaluated according to the specific material and required thermal reaction.
Gas suspension calcination systems can be configured with different heat sources according to the project requirements.
DDFT's published applications include:
Coal
Natural gas
Combustible gas / coal gas
Suitable industrial hot exhaust gas in certain applications
Heat-source selection depends on the raw material, required process conditions, plant conditions and available fuel.
Depending on the application, a complete system may include:
Feed preparation equipment
Feed storage and feeding equipment
Drying or preheating equipment
Heat-source and combustion system
Gas suspension calciner
Gas-solid separation equipment
Product collection system
Product cooling equipment
Dust collection and exhaust treatment
Automatic control system
The exact equipment combination is determined by the material and process requirements.
A gas suspension calciner cannot be selected only by the name of the raw material.
Two materials with the same general chemical name may require different processing conditions because of differences in:
Chemical composition
Mineralogical composition
Particle size
Moisture content
Feed form
Thermal decomposition characteristics
Required production capacity
Target product properties
Available heat source
Environmental requirements
For this reason, DDFT evaluates the material and process requirements before determining the appropriate equipment configuration.
For a preliminary evaluation, please provide as much of the following information as available:
Raw material name
Chemical composition
Mineralogical composition, if available
Moisture content
Particle-size information
Required production capacity
Required final product
Product quality requirements
Available heat source
Existing equipment or related process
Plant location
Representative raw material samples or laboratory test data may also be useful when further process evaluation is required.
Liaoning Dongda Powder Engineering Technology Co., Ltd. (DDFT) develops and manufactures powder processing and thermal processing equipment.
For gas suspension calcination projects, DDFT can provide support including:
Equipment configuration
Equipment manufacturing
Installation guidance
Commissioning / debugging guidance
Technical training
The equipment configuration is developed according to the customer's material and process requirements.
DDFT is an equipment manufacturer and complete equipment system supplier. The company should not be described as an EPC contractor responsible for the complete construction of an entire factory.
A gas suspension calciner is thermal processing equipment that heats fine solid particles while they are suspended or entrained in a hot gas stream.
The terms are closely related. Flash calcination describes rapid thermal treatment, while a gas suspension calciner is equipment that performs thermal processing with particles suspended or entrained in a gas stream.
It can be configured for suitable fine or powdered mineral and chemical materials. DDFT has published applications involving magnesium-containing materials, zinc-containing materials, desulfurization gypsum and vanadium-containing materials.
Yes. Coal is used as a heat source in DDFT's published gas suspension calcination applications.
Yes. Natural gas can be used as a heat source according to the process and plant requirements.
Equipment selection depends on the raw material, chemical composition, particle size, moisture, required capacity, thermal reaction, target product quality and available heat source.
If you are looking for a gas suspension calciner, please send us your raw material information and production requirements.
Our technical team can review the available information and determine whether a gas suspension calcination process is suitable for your application.
Please provide:
Raw material
Chemical composition
Moisture
Particle size
Required capacity
Target product
Product quality requirements
Available heat source
Plant location
Contact DDFT to discuss your gas suspension calcination project.