rotary drum granulator machine for granulating compound fertilizer

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Rotary drum granulator belongs to one of the key fertilizer granulating equipment for making compound fertilizer granules. which is applyed to both cold and heat granulation with high,medium and large scale production.this compound fertilizer granulator can make both low and high concentrations of compound fertilizer granules. The finish inside of the rotary drum granulator is made by a special polyethylene resistant rubber sheet. The totary granulator has advantages of high rate compound fertilizer granulation rate, good appearance,corrosion resistance, low energy consumption, easy operation and maintenance.except this kind of drum granulator,our mutifunctional double roller granulator can also make compound fertilizer.The high-efficiency fertilizer granulation machine is considered as the most important equipment in large-scale compound fertilizer production.By adding a certain number of steams and vapors, raw materials in the rotary drum granulator will become uniformly humid during the granulation process. Then a series of chemical reactions will occur. In this rotary granulator machine, the fertilizer particles squeeze each other and roll into fertilizer particles. The uniformly formed fertilizer particles can be 3-8mm. With the continuous adding of raw materials and rotating of the drum, a large-scale production as well as the working efficiency will be insured. 

rotary granulator rotary drum granulator for compound

Working Principle of rotary Granulator

The main working method is aggregate wet granulation. Through a certain amount of water or steam, basic fertilizer mixs wet in drum granulator tube body after the full chemical reaction. Under a certain liquid conditions, in virtue of rotary exercise of the rotating cylinder, so that material granules have an extrusion stress, reunite to ball.

rotary drum granulator rotary drum granulator machine

Features of rotary Granulator

1 the roary drum granulator has high granulation rate about above 70%, the unqualified granules can be re-granulated;
2 hot steam improves material moisture, which makes compound fertilizer granulation easy
3 the compound fertilizer granulator finished inside of polyethylene makes raw materials difficult to stick the body,anti-corrosion insulation;

Why Our Rotary Drum  Granulator

1.Polyethylene plastic plates are fixed in inner drum to prevent sticking and protect drum from corrosion.
2.Drum is placed obliquely in brackets which is made of robust carbon steel plates and channel beam.
3.Inside the drum wall is shoveling plates for easy granulating and cleaning.
4.Rotary drum is made from our vertical lathe, which is strong and solid enough for granulating.
5.Rational design. Motor drives gears and gears drives rotary drum working.
6.Energy conservation,steady granulating process, little noise.

IMGSRC_20130618093835_97rotary drum granulator

specification of rotary drum granulator

model
I.D.(mm)
Length(mm)
Capacity(t/h)
Power(kw)
Ø1.2×4
1200
4000
1–3
5.5
Ø1.4X5
1400
5000
3–5
7.5
Ø1.6×6
1600
6000
5–8
11
Ø1.8×7
1800
7000
8–10
15
Ø2.0×8
2000
8000
10–15
18.5
Ø2.2×8
2200
8000
15–20
22
Ø2.4×8
2400
8000
25
37
Ø2.8×8
2800
8000
35
45

Remark:this specification is just for reference, our engineer will give you exact assembling according to your demand,required capacity and raw materials.

rotary drum granulator video




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