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SenVen Technology——Drying system engineering design and fabrication
Specializing in the production of drying, granulation, mixing, crushing, dust removal, transmission, drying equipment, etc., to provide a variety of non-standard equipment design, manufacturing and installation
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Drying equipment

Classification

HZG series rotary drum dryer

Category: Drying equipment

Introduction: Working principleAfter the wet material is put into the dryer at one end, the evenly distributed plate reader inside the inner cylinder flips, and the material is evenly distributed and dispersed within the dryer, fully in contact with the hot air flo…

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Working principle

After the wet material is put into the dryer at one end, the evenly distributed plate reader inside the inner cylinder flips, and the material is evenly distributed and dispersed within the dryer, fully in contact with the hot air flowing in parallel (counter flow), accelerating the drying heat transfer and transmitting the driving force. During the drying process, the material can be adjusted to move to another section of the star discharge valve of the dryer to discharge the finished product under the action of the inclined plate and hot air flow.

Adapt to materials

Chemical, mining, metallurgy and other industries have large particles and dry materials with a large proportion, such as mining, blast furnace slag, coal, metal powder, phosphate fertilizer, and ammonium sulfate.

Drying of powder and granular materials with special requirements, such as HP foaming agent, distiller's grains residue, lightweight calcium carbonate, activated clay, magnetic powder, graphite, and pharmaceutical residue.

Materials that require low-temperature drying and require continuous drying in large quantities.

Performance characteristics

The rotary dryer has a high degree of mechanization and a large production capacity.

The fluid has low resistance through the cylinder and low functional consumption.

Strong adaptability to material characteristics.

Stable operation, low operating costs, and good uniformity of product drying.

Structural diagram

回转滚筒干燥机

Technical specifications

model

Direct heating

downstream type

Direct heating

downstream type

Direct heating

countercurrent type

Direct heating

countercurrent type

Composite heating Composite heating
Material type ore HP foaming agent blast furnace slag ammonium sulfate phosphate fertilizer coal

Processing

capacity (kg/h)

1000 466 15000 20000 12000 5000

Water content

of discharge (%)

30 13 6 1.5 5 6.5

Final moisture

content (%)

15 0.3 1 0.1 0.1 0.1

Average particle

size (mm)

6.5 0.05 4.7 0.5-1.7 0.5 5

Material stacking

density(kg/m3)

770 800 1890 1100 1500 750
Hot air volume(kg/h) 3900 5400 10750 9800 6500 16000

Inlet gas

temperature(℃)

600 165 500 180 650 570

Material outlet

temperature(℃)

42 100 70 80 75
Heating method coal gas Steam electric heating heavy oil JRF heavy oil heavy oil
loading coefficient 6.3 7 7.5 7.8 18
Speed (rpm) 4 4 3.5 3 4 2
inclination 0.04 0.005 0.03 0.05 0.05 0.043

Number of

copied boards

12 24 12 22 Inner cylinder outer 8
Inner cylinder outer 16
6 12
Drier diameter(m) 2.0 1.5 2 2.3 Outer cylinder 2
Inner cylinder 0.84
Outer cylinder 2.4
Inner cylinder 0.95
Dryer length (m) 20 12 17 15 10 16
Drive power (kW) 22 7.5 15 11 11 15
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