Thermal desorption plant SDT 30
The SDT-30 thermal desorption plant is designed to clean up soils contaminated with petroleum hydrocarbons. It is a stationary plant that can be dismounted and easily transported in a new area. It is recommended to place the plant close to the waste zones.
A thermal desorption unit (rotary dryer) treats contaminated feedstock such as soil, sludge, sediments by direct heating the feedstock at maximum temperature of 550°C/1022°F. The heating process separates the contaminants from the feedstock by volatilizing them. Treated soil is water cooled and exhausted at 110°C/230°F.
Volatilized contaminants are transported into an oxidation chamber and oxidized by direct heating at a maximum temperature of 850°C/1562°F. Exhausted gases are cooled down under 180°C/356°F and transported into a bag filtering unit. Aftewards filtered gases are exhausted through a stack into the air and the dust is recovered into the treated soil helical conveyor.
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Capacity
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t/h
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30
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Installed capacity
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Kw
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855,3
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Bin capacity
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m3
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18
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Desorber
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type
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rotary drum dryer
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-inner drum diameter x length
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mm
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2100x11000
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-drum drive
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Kw
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45
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-drum speed
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rpm
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5,19~10,38
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-dry soil temperature
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0C
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450 - 500
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- time of transit
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min.
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6 - 12
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-burner
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-fuel
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Diesel oil/liquid light fuel/gas/black oil
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-minimum power
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Kw
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4000
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-maximum power
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Kw
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12000
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Gas oxidation chamber
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-volume
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mc
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85
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-gas enter temperature
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0C
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550
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-gas exit temperature
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0C
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850
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-dimensions L x W x H
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mm
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22100x3000x4200
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-oxidation efficiency
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%
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93-97
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-burner
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-fuel
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Diesel oil/liquid light fuel/gas/black oil
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-minimum power
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Kw
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4000
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-maximum power
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Kw
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12000
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Heat exchanger I
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-total exchange surface area
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m2
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440
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-gas enter temperature
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0C
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850
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-gas exit temperature
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0C
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450
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Heat exchanger II
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-total exchange surface area
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m2
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645
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-gas enter temperature
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0C
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450
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-gas exit temperature
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0C
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160
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Bag filtering unit
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type
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with filter bags
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-total filtering surface area
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m2
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768
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-working filtering surface area
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m2
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720
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-shaking
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with pneumatic cylinders
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Exhaust fan
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type
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V20T-1600/1
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-air feed
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Nm3/h
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65000
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-drop pressure
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mmH2O
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650
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-drive
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Kw/rpm
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200/1500
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