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DH series Fertilizer Granulator



( Negotiable ) Get Latest Price



1 Set

1. Big machines packed in nude. 2. Spare parts packed in wooden case.3, If our clients have any spec

Shipped in 60 days after payment

5 Set per Month


DH serie

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Product Specification

Brand Name : - Type : - CNC or Not : - Condition : -
Weight : 7-45t Working method : Double roller press granulating Production capacity : 0.18-8t Machine material : Carbon steel or stainless steel Roller material : CrMo Color : Depends on your need

Product Description

DH Series Dry Roll Press Granulator

Part One:Technical information
A. Working Principle:

  DH series dry roll press granulator adopts dry rolling technology to compress the powdery materials with moisture content ≤ 5% into pieces or tablets, then going through the processes of breaking into granules and screening to make the lump materials into granules that meet the requirements of application. Dry roll press granulator mainly depends on the manner of external pressure to force the material going through the gap between two relatively turning rollers to compress into laminar particles. During course of roller pressing, the real density of materials
can increase 1.5~3 times thus reaching certain demands of granular strength.
Further explanation-----
Raw materials are sent into hopper by fixed quantity feeder, when two rolls parallel each other horizontally, powder materials are continuously and evenly fed in the gap between two rolls by their gravities and a forced charger, the two rollers rotate in reverse, and materials between rollers are extruded by mechanical pressure. The intermediate products are bar shape,then the crusher will crush the bar shape products into irregular granules, finally using rotary screen to sieve the final products, qualified products will be put into bags, unqualified products will be recycled mix with new material for the next granulating process.

B. These are our DH series different types granulators:
This type machine has hydraulic system which can protect the machine well. The main granulator body was composed of three parts: dosage screw feeder, forced feeder and flaking
1) Pre-feeder: Equipped with mechanical vibrating feed hopper with automatic control and
timing vibration
2) Quantitative feeder: Adopts frequency conversion adjusting speed to ensure the feeding
3) Force-feeding screw hopper: It is composed of variable frequency motor, cone helix, stirring knife tooth and cone feeding hopper with visual glass window as well as feeding mouth assemblies and so on. Its function is to further achieve degassing and perform pressure feeding.
4) Flaking machine: it is composed of left and right fixed bearing seats, frame structure, two alloy steel rollers, two hydraulic oil cylinders, electric automatic pump station as well as hard tooth surface dedicated reducer and main driving motor.
Features of our granulator:
1.Wear resistant systems for roller surfaces are adapted to the individual requirements.
2.The easy-to-maintain and -repair design provides for maximum availability.
3.Efficient and safe operation by means of modern monitoring and control system.
4.Roller pulling with roller removal device
5.Roller with cross beam
6.Hinged frame for quick roller exchange

C. Technical Parameters (for irregular shape):
Model DH240 DH360 DH450 DH650 DH850 DH1050 DH1500 DH1700
Roller diameter (mm) φ240 φ360 φ450 φ650 φ850 φ1050 φ1500 φ1700
Valid usable width (mm) 300 170-230 190-280 290-330 420 500 650 650
Roller speed (rpm) 50-100 10-25 10-25 10-25 9-16 8.5-14.5 6-13 5-12
Max rolled sheet thickness (mm) 4 8 12 16 25 36 36 46
Rolled sheet output*(kg/h) \ 1300-2300 2500-3500 5000-7000 12000-16000 22000-38000 32000-100000 50000-1600000
Finished product output (Kg) 2000-3000(扁圆) 900-1300 1800-2500 3500-4000 6000-8000 12000-16000 15000-50000 28000-80000
Granular size (mm) 3.5 4.2 4.5 5.5 6.5 2-5 2-5 2-5 2-5 2-5 2-5 2-5
Main unit power (KW) 45 30-37 55-75 90-110 220-250 400 400×2 560×2
Total installed capacity (KW) 55 55 90 175 400 850 1500-1800 2000-3000
External dimension (mm) 2300×1700×1860 2350×2000×2600 2600×2200×2900 3600×2800×3200 5000×3800×4100 7000×5000×6000 9700×5600×7700 10500×6000×8100
Total weight (t) 5 7 10 21 46 75-85 120-150 200-220
Notes: Rolled sheet output, finished product output is just for reference and the screen is determined according to the nature of materials.

Part Three: Raw material and Final granules
A. Examples of briquetting applications:
1. Fertilizers: potassium sulfate (SOP), potassium chloride, the Russian Red Potassium, NPK fertilizer, Ammonium Phosphate Monobasic ( MAP ), Diammonium phosphate (DAP),ammonium chloride, potassium nitrate, ammonium sulfate, ammonium bicarbonate,ground
2. Powders: antioxidant, zinc oxide , Calcium chloride, Graphite, Carbon Black, Frame retardants, Dolomite, cyanuric acid, calcium hypochlorite, lead oxide, potassium carbonate,carbonate strontium, calcium chloride, dicalcium phosphate, sodium metasilicate, cryolite,aluminum fluoride, brake powder, rubber additives, silica, calcium aluminate, TSP, SSP,carnallite stone, phosphate rock, metal powder, fillers, feed additives, arsenic porphyrin insects,
nicotinic acid, nicotinic acid amine, pharmaceutical intermediates, steel-making additives,melting agent, swelling, alumina powder, phosphogypsum, FGD Gypsum, benefication agent,environmental protection materials. Etc.
3. Chemical raw material, fine chemical material such as Sodium formateHCOONa.

Part Four: Completely Granulating Line
A. The whole granulating process (it takes DH650 for example):

1. We use mixer mix the raw material.---Mixer
2. We use bucket elevator lift the material up to the silo.----Bucket elevator and Silo
3. The DH650 granulator compress the raw material by double rollers, it mainly depending on the mechanical pressure to compress the dry powder, so the hardness of granular is very high.---------DH650 granulator (including three parts: dosage screw feeder, forced feeder and flaking machine.)
4. Then we get the bar shape products.So we need a crusher to crush the bar shape products into 2-4mm irregular granules.----Crusher (you can decide the size of granules, we will design the size of crusher
5. Finally, we will use rotary screen to sieve the final products, the unqualified products,
such as dust, big granular and very small granular will be recycled for the next time
granulation process. You will get the qualified 2-4mm irregular shape granules successfully.--------Rotary Screen
6. Next we use the second time rotary screen, the purpose is we want to get better result of irregular shape granules after second time screening, the appearance of irregular shape granular will looks more beautiful. -------Second Time Rotary Screen (if you dont need this, you can delete this process.)
7. The last step is automatic packaging machine. This machine will help you pack the final granular into bags. ----Automatic Packaging Machine

Part Five: Auxiliary equipments
Crusher: Its electric engine drives the principal axis to rotate and crush blocks compressed by a flaking machine into grained materials; with two grades, the crusher can crush materials compressed by a flaking machine twice. In addition, three crushing rooms greatly increase the
crushing area.
Sieving machine: the machine adopts special balancing mode to make the screen unit get balanced inertial force in various directions in the process of movement, thus leads to small vibration, low noise and demand on strength of supporting object and it integrates advantages of circular, elliptical and reciprocating linear motions, so it is of large output, high screening efficiency, low power consumption, flexible installation and convenient sieve change.

Contact Us

Contact Person :Mr. Shi

Company:Jiangsu Fuyi Machinery Technology Co., Ltd.

Address:212, Changzhou, Jiangsu, China,213200


Mr. Shi < Jiangsu Fuyi Machinery Technology Co., Ltd. >
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