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Rotary Flash Dryer: Dealing with High Moisture Content Material

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Liaoning Dongda Power Engineering Technology Co., Ltd.

Audited Supplier 2 years

Profile Certified by SGS/BV

Liaoning, China
Lena Qiu (Ms.)

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Product Detail

Model NO.:

SKSZ

After-sales Service:

Field Installation and Testing

Warranty:

One-Year Warranty

Heating Mode:

Convective

Material Status:

Powder

Drying Medium:

Air

Operation Pressure:

Atmospheric Pressure

Instantaneous Drying:

Drying Duration 1~5 Seconds

Uniform Quality:

Product Without Over-Heated

Closed System:

The Recovery Rate Is Greater Than 99%

Direct or Indirect Heating:

90 to 600 Degrees Celsius of Hot Air

Initial Moisture Content:

More Than 85%,

Final Moisture Content:

Less Than 0.5%

Trademark:

DONGDA POWDER ENGINEERING

Transport Package:

Suitable for Shipping

Specification:

The output can reach several tons

Origin:

Benxi, China

Product Description

Brief introduction:

Flash drying is one method of solid fluidization. The paste or filter cake material with high moisture content

enters the dryer, mixes with the heated hot air. The material is granulated under the combined action of the hot air

and a mechanical dispersal force, entering the collector. By which, the powdery product is obtained.

Performance:

1. Flash drying: Desiccation for 1 to 5 seconds, resulting in even granularity.

2. High collection rate: ≥ 90%.

3. Direct or indirect heating: Hot air ranging from 90 to 600 degrees Celsius.

4. Energy consumption: 1,100 to 1,200 kcal/kgH₂O. Water evaporation capacity per set ranging from 90 to 3200 kgH₂O/h.

5. Applicable for filter cake and paste materials with an initial moisture content of ≤ 85% and a final moisture content of ≤0.5%.

6. Requires small floor space and minimal labor involvement.

Process:

The flash drying system comprises a heater, a feeder, a desiccation chamber, and a cyclone collector. The

moist material is fed into a spiral feeder that conveys it to the drying chamber. Rotating blades are

positioned at the bottom of the drying chamber to disperse the material inside effectively. Simultaneously,

the heated hot air rapidly dries out the dispersed material, transforming it into granules. The swirling hot

air carries these granules through a cone-shaped sieve that rebounds some of the larger ones onto the

rotating blades, while the remaining smaller grains enter the collector. Finally, an air blower expels the

exhaust.

Suitable material:

1. Chemicals: zinc, calcium, magnesium, manganese, cobalt carbonate; zirconium oxide; aluminum hydroxide; lead sulfate and zinc sulfate; fire retardant; superfine calcium carbonate; nano-zinc oxide; precipitated barium sulfate.

2. Environmental protection products: hyphae, biological mud, settled silt.

3. Non-metallic products: kaolin, activated clay, superfine silica.

4. Pesticides.

5. Medicine.

6. Pigments and dyes.

Specifications:

Application examples:

Gansu Jinchuan Nickel Oxide drying.
Guangdong Lianjiang Kaolin drying and calcining.
Indonesia Phenol phthalein blue dye drying.
Jiangxi Zinc Oxide drying.

Pictures at application sites:

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