This document discusses a double roller granulator machine that can produce fertilizer granules. It has two main parts: a squeezing and pressing part that forms dense cakes, and a granulating part that crushes and screens the cakes into small granules. The granulator is multifunctional and can make compound or organic fertilizer granules continuously without drying at room temperature. It has advantages of lower investment, compact design, and no waste discharge.

1. 2018/1/13 double roller granulator,multifunctional fertilizer roller press granulator
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fertilizer granulator machine
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double roller granulator,multifunctional fertilizer roller press
granulator
double roller granulator is multifunctional fertilizer press
machine, this fertilizer roller press granulator can make
compound fertilizer but also can make organic fertilizer
granules.it is multifunctional,but the finished granules are oval
shapes. you can use a ball shaping machine to make it into
round granules, Which is developed by our own company.
Production process only needs room temperature without
drying machine, which can save a lot of energy and cost, the
double roller granulator production yield is 0.5­1t / h,1­1.5t /
h,and 1.5­2t/h. if you want to use disc granulator,that is also
best machine for organic fertilizers.
Advantages of double roller granulator:
1.the double roller granulator has less investment, good economic returns.
2.complete set of fertilizer extrusion granulator is compact, scientific, reasonable and advanced
technologies.
3.No waste discharge,stable,and easy operation and maintenance.
4.this roller extrusion granulator can directly squeeze dry powder materials into granules,which belongs
to dry method granulation
Application of double roller granulator:
The roller extrusion granulator has wide adaptability of raw materials is DAP,SSP,GYPSUM,SHEEP
MANURE, COW MANURE , chicken manure, pig
manure,bentonite and other animal poultry manure waste and
so on.the roller press granulator production rate is high. It
can produce all kinds of high concentration with a various
fertilizers including organic fertilizer, Inorganic
fertilizer,compound fertilizer,etc.especially rare earth
fertilizer,potash fertilizer,ammonium bicarbonate series for
this fertilizer double roller granulator.the fertilizer press
machine makes up the gap leading the position in
domestic.when using this granulator as a whole fertilizer
production line,it does not need a rotary dryer.
Working principle of double roller granulator
The double roller granulator machine is the representative of extrusion granulator. Dry materials are
compressed into hard & dense blocks at a pressure, which is the Extruding Process. Block materials
are crushed, screened and granulated later, which is the Granulating Process. The functions of
extrusion are to squeeze the air between particles out, and to make the distance between particles near
enough to give rise to interaction forces. The particle hardness of roller compaction granulation granules
is formed mainly due to attraction between the molecules. Our double roller granulator machine is
continuous extruding granulation of positive­displacement.

2. 2018/1/13 double roller granulator,multifunctional fertilizer roller press granulator
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this double roller granulator has two main working parts:1.squeezing and pressing part: materials are
pressed into big high density and hard cake,under the squeezing pressure.2.granulating part:the press
cake is crushed and screened into small granules.
specification of double roller granulator
Model FGZL—1 FGZL—1.5 FGZL—2
Capacity 0.5—1t/h 1—1.5t/h 1.5—2t/h
granulation rate ≥85% ≥85% ≥85%
Power 15kw 18.5kw 22kw
Material moisture content Max 15%
Gramulation temperature Constant temperature
pellet Diameter 3—15(mm)
Strength 6—20N(resistance to crush force)
Shape oval
Remark:finished granules by this double roller granulator is oval shape, if you want round ball shape
granules,a ball shaping machine can help, ball shaping machine is used to make cylindrical and oval
shape granules (pellets) into round ball shape granules.it adopts high speed rotation working principle to
make round ball pellets.
video of double roller granulator