Rotary Type Triple Drum Sand Dryer

Product Details
Customization: Available
After-sales Service: 1year
Warranty: 1year
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Year of Establishment
2006-12-11
Management System Certification
ISO9001:2015, ISO14001:2015, ISO45001:2016
  • Rotary Type Triple Drum Sand Dryer
  • Rotary Type Triple Drum Sand Dryer
  • Rotary Type Triple Drum Sand Dryer
  • Rotary Type Triple Drum Sand Dryer
  • Rotary Type Triple Drum Sand Dryer
  • Rotary Type Triple Drum Sand Dryer
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Basic Info.

Atomization
Rotary Atomization
Flow
Cross Flow
Heating Mode
Transmission
Material Status
Powder
Drying Medium
Effluent Gas, Air
Operation Pressure
Atmospheric Pressure
Operational Method
Continuous
Transport Package
Customerized
Specification
customized
Trademark
VOSTOSUN
Origin
China
HS Code
8419399090
Production Capacity
100 Sets/Month

Product Description

 Rotary Type Triple Drum Sand DryerRotary Type Triple Drum Sand Dryer Rotary Type Triple Drum Sand DryerRotary Type Triple Drum Sand Dryer

 

Sludge/Coal Slime Drying System

 
Material Description:
Sludge refers to the sediment produced by dealing with waste water through the physical, chemical, biological methods, according to their sources, which can be divided into electroplating sludge, printing and dyeing sludge, tanning sludge, paper sludge, pharmaceutical sludge, sewage sludge, living sewage sludge and petrochemical sludge, etc. Because of its features of poor mobility, high viscosity, easy to agglomerate, and the water is not easy to evaporate and so on, it's very hard to dry, and the high drying technology is required (the drying technology of this drying system is also adopted to dry the coal slime, gypsum and other similar wet sticky materials).

System Description
With the continuous enhance of people's awareness of environmental protection, and sludge drying technology is also in the rapid development, the constant innovation and improvement also happens in the aspects of energy saving, safety, reliability, sustainability. Our company sludge drying system is going to reduce the water content of dewatered sludge from 80 + 10% to 20 + 10%. The advantages of our system are as follows:

1. The weight of the dried sludge can be reduced to 1/4 weight of wet material before drying, which greatly reduces the enterprise's environmental and economic pressure;

2. The air inlet temperature of the dryer is 600-800ºC, and it can be used for sterilization, deodorant, etc. at the same time of drying, and reliable guarantee will be provided for the utilization of dried products;

3. The dried products can be used as feedstuff, fertilizer, fuel, building materials, raw materials for extracting heavy metals, to realize waste utilization.

The dewatered sludge will be transported to feeding head of the dryer through the screw conveyor after scattering, and then it will be sent into the inside of the dryer through the unpowered spiral sealing feeder (the patent technology of our company), and going through several following working areas after getting into the dryer:

1. Material leading-in area
The sludge will come into contact with the high temperature negative pressure air after getting into this area and plenty of water will be rapidly evaporated, and the sludge can't be formed into sticky stuff under the stirring of large guide angle lifting plate.

2. Cleaning area.
The material curtain will be formed while the sludge is lifted up at this area, and it will cause the material stick on the cylinder wall while it's falling down, and the cleaning device is installed at this area (Lifting style stirring plate, X type second time stirring plate, impacting chain, impacting plate), the sludge can be quickly removed from the cylinder wall by the cleaning device, and the cleaning device can also crush the materials which are bonded together, so as to increase the heat exchange area, increase the time of heat exchange, avoid the generation of wind tunnel phenomenon, improve the drying rate;

3. Inclined lifting plate area
This area is the low temperature drying area, the slime of this area is at the low moisture and loose state, and there is no adhesion phenomenon at this area, the finished products reach the moisture requirements after the heat exchange, and then enter the final discharge area;


4. Discharging area
There aren't stirring plates at this area of the dryer cylinder, and the material will be rolling to the discharging port.

The sludge gradually becomes loose after drying, and discharged from the discharging end, and then sent to the designated position by the conveying device, and the fine dust drawn out along with the tail gas is collected by the dust collector.

Hot air enters into the drying machine from the feeding end, and the temperature is gradually reduced at the same time of material convection heat transfer, and the water steam taken out under the suction of induced draft fan, and then emitted into the air after processing.

Application after drying

Heavy metal recycling
During the wastewater treatment process of the smelting plant, the circuit board printing factory, electroplating factories and other enterprises, and the sludge produced contains plenty of heavy metals (copper, nickel, gold, silver, etc.). There will be a major pollution if these metal elements are drained, but considerable economic benefits can be reached after extraction and refining.

Incineration power generation
The approximate calorific value of the dried sludge is from 1300 to 1500 calories, three tons of dry sludge can be equivalent to one ton of 4500 kcal coal, which can be burned in the furnace mixed with coal.

Building material
Concrete aggregate, cement admixture and the production of pavement encaustic brick, permeable brick, fiber board, to make bricks by adding into the clay, its strength is equivalent with common red bricks, and it's with a certain amount of heat, in process of fired brick, the spontaneous combustion can be reached to increase the heat.

Organic fertilizer
The dried sludge will ferment into high quality organic fertilizer after adding the cow manure, with good fertilizer efficiency, safe and convenient use, and disease resistance and to promote growth, which can also fertilize soil.

Agricultural usage
There is high content of N, P and K in the sludge, and it's much higher than that of pig manure, cattle manure and chicken manure, and there is rich organic compound content. It can be used as agricultural fertilizer after the processing of sludge drying system, and can make quality soil through re-proportioning landfill.
Rotary Type Triple Drum Sand Dryer


Technical Parameters
Model Cylinder diameter
(mm)
Cylinder length
(mm)
Cylinder volume
(m3)
Cylinder
rotary speed (r/min)
Power
(kW)
Weight
(t)
VS0.6×5.8 600 5800 1.7 1-8 3 2.9
VS0.8×8 800 8000 4 1-8 4 3.5
VS1×10 1000 10000 7.9 1-8 5.5 6.8
VS1.2×5.8 1200 5800 6.8 1-6 5.5 6.7
VS1.2×8 1200 8000 9 1-6 5.5 8.5
VS1.2×10 1200 10000 11 1-6 7.5 10.7
VS1.2×11.8 1200 11800 13 1-6 7.5 12.3
VS1.5×8 1500 8000 14 1-5 11 14.8
VS1.5×10 1500 10000 17.7 1-5 11 16
VS1.5×11.8 1500 11800 21 1-5 15 17.5
VS1.5×15 1500 15000 26.5 1-5 15 19.2
VS1.8×10 1800 10000 25.5 1-5 15 18.1
VS1.8×11.8 1800 11800 30 1-5 18.5 20.7
VS1.8×15 1800 15000 38 1-5 18.5 26.3
VS1.8×18 1800 18000 45.8 1-5 22 31.2
VS2×11.8 2000 11800 37 1-4 18.5 28.2
VS2×15 2000 15000 47 1-4 22 33.2
VS2×18 2000 18000 56.5 1-4 22 39.7
VS2×20 2000 20000 62.8 1-4 22 44.9
VS2.2×11.8 2200 11800 44.8 1-4 22 30.5
VS2.2×15 2200 15000 53 1-4 30 36.2
VS2.2×18 2200 18000 68 1-4 30 43.3
VS2.2×20 2200 20000 76 1-4 30 48.8
VS2.4×15 2400 15000 68 1-4 30 43.7
VS2.4×18 2400 18000 81 1-4 37 53
VS2.4×20 2400 20000 91 1-4 37 60.5
VS2.4×23.6 2400 23600 109 1-4 45 69.8
VS2.8×18 2800 18000 111 1-3 45 62
VS2.8×20 2800 20000 123 1-3 55 65
VS2.8×23.6 2800 23600 148 1-3 55 70
VS2.8×28 2800 28000 172 1-3 75 75
VS3×20 3000 20000 14 1-3 55 75
VS3×23.6 3000 23600 170 1-3 75 85
VS3×28 3000 28000 198 1-3 90 91
VS3.2×23.6 3200 23600 193 1-3 90 112
VS3.2×32 3200 32000 257 1-3 110 129
VS3.6×36 3600 36000 366 1-3 132 164
VS3.8×36 3800 36000 408 1-3 160 187
VS4×36 4000 36000 452 1-3 160 195
 
 
 
Rotary Type Triple Drum Sand Dryer
 
 
 
 

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