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Mini Dry Type Compound Fertilizer Granulation Line

The reason why we call this line as dry type or non-drying compound fertilizer production line is because roll extrusion technology is adopted. In granulation process, double roller extrusion granulator machine is used, therefore, the moisture content of raw materials should be under 6% and no need adding water in the whole granulation procedure. That is the special character of Extrusion Technology.

 

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Introduction of Small Scale NPK Compound Fertilizer Production Line
Whirlston Fertilizer Machinery is specialized in designing compound fertilizer plant and providing advanced compound fertilizer making machines. Mini NPK compound fertilizer production line can produce about 5,000 tons fertilizer annually. The whole layout and plant design are compact, reasonable and land-saving, which makes it become the most popular NPK fertilizer production line among the worldwide new investors.
Because of small production scale, production of NPK compound fertilizer on the roll extrusion technology is with lower energy consumption, less accessories, thus with lower production cost.

 

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Compound Fertilizer Machine Used in Small Scale NPK Fertilizer Production Process
1. No-dust Cage Mill-Model WLF650
No-dust cage mill, also called no-dust urea crusher, is a fertilizer crusher machine that used for crushing of hard materials, like urea, MAP, DAP, etc. It uses belt conveyor to send compound fertilizer materials to cage mill. And then the materials are sent to cyclone type dust collector, so that dust problem is solved. It is an inevitable part in small scale NPK fertilizer production.

Model
Rotary Speed
Power
Processing capacity
Dimension
(L ×W × H)
Weight
WLF650
2000 r/min
26kW
4-6 t/h
1800×1300×1160mm
2300 kg

2. Horizontal Fertilizer Mixer-Model WJ-700
Chemical fertilizer components should be at a certain mixing ratio. Horizontal mixer is specially designed to mix N, P, K elements and other chemical elements in NPK compound fertilizer production process.

Model
Capacity
Power
Diameter
Length
WJ-700
3-6t/h
7.5kW
700mm
1500mm

3. Double Roller Granulator-Model DZJ-1.5
After mixing process, the mix is transported to double roller extrusion granulator for shaping into the fertilizer form prior to drying.
Adopting normal temperature production technology, double roller extrusion granulator machine is a one-step forming machine that produces compound fertilizer granules. It is especially applicable to small scale fertilizer production line.

Model
Capacity
Granulating ratio
Motor Power
Moisture content
DZJ—1.5
1.5—2t/h
≥85%
18.5kW
2%-5%

4. Fertilizer Screening Machine-Model ZJ 1240
After being granulated, the extruded granular NPK fertilizer is screened to remove oversize material or any fines or dust associated with the fertilizer. The oversized fertilizers are returned to the crusher machine for further processing. The dust is similarly returned to the mix and added to the first mixer in the process. By recovery of said by products there is no waste from this process.

Model
Capacity
Length
Power
Diameter of Outer Screen
ZJ 1240
3-5 (t/h)
4000 (mm)
4 kW
Φ1200(mm)

5. Automatic Fertilizer Packaging Machine-Model DGS-50F

Model
Power
 Voltage
Air source 
consumption
Air 
source 
pressure
Packing 
specification
Packing 
pace
Packing 
precision
Weighing
 way
Feeding 
way
Overall 
Dimensions
L×W×H(mm)
DGS
-50F
1.5kW
380v
1 m³/h
0.4-0.6 
Mpa
5-50kg
3-8
bag(s)
/minute
±0.2-0.5%
Sensor
single-spiral
 820
×1400
×2300

Factory Layout of Small Scale NPK Compound Fertilizer Production Line

small-scale-compound-fertilizer-production-plant-layout

 

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