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GFZL dry mothod roll press granulator
GFZL dry mothod roll press granulator
  • Brief introduction:
    Absorbed foreign advanced technique of powder granulator. Improved and heightened on the basis of foreign technique, this dry-type...
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    • GFZL dry mothod roll press granulator
    • GFZL dry mothod roll press granulator
Description

Description
♦Absorbed foreign advanced technique of powder granulator. Improved and heightened on the basis of foreign technique, this dry-type granulator is developed by our factory, it has more reasonable and compact structure, simply technological processes, easy operation and better performance. Powder materials can be made into even granules customer needs without adding any bonding anent when they run through the machine. As density of granules are larger, no any afterward process is needed so as to reduce technological process, reduce granulation cost and powder pollution and improve labor environment as well.

Features
♦Making granules from dry powder directly without any bonding agent and to carry out the 2nd heating and drying.
♦The strength of granule can be adjusted by pressure of rollers so as to control strength of granule.
♦Sand-shaped irregular granules are produced.
♦Large productive capability due to continuous production. High degree of automation to suit automatic production.
Application
♦ Except those dangerous materials that are subject to explosion due to crushing and rubbing, most part of dry power materials can be directly granulated by this machine. If water-cooling is adopted for rollers by turning connectors. this machine can also be suited for granulation of heat sensitive materials.

Principle
♦1.Vertical Feed Set After weight measured, powder materials are sent laterally by the vibration hopper to the main feeder, de-aerated by the stirring screw of the main feeder, pre-pressed and pushed into the arc grooves of left and right rollers. Driven by a pair of meshed gears. Two rollers rotate in opposite direction with same speed, and powder materials are pressed into dense sheet while they run through rollers. Under the function of elastic recovery after rollers, they’ll be separated from rollers and drop down, and fewer sheet not dropped will be scrapped off by the blade. Stripe grooves evenly distributed on the surface of rollers can prevent sliding when powder materials are fed into rollers. After crushed and granulated, they'll pass through the vibration sieve to be graded, and granules which meet requirement can be obtained. Powder after the sieve will return to the vibration hopper to be granulated circularly.
♦2.Horizontal Feed Set Except feed style and installation style of rollers being something different with that of vertical feed set, the operation principle of them are completely identical. For horizontal feed set, powder materials from the vibration hopper are stirred and de-aerated. Then they'll be sent into the arc grooves of upper and lower rollers by the screw of the metering feeder and be pre-pressed. Technological processes thereafter are same with that of vertical feed set.

Technical Parameters


Model Item

GFZL-1

GFZL-2

GFZL-3

GFZL-4

GFZL-5

Diameter of roll (mm)

240

240

300

420

420

Width of roll (mm)

80

160

250

360

480

Max pressure of roll (t)

50

60

80

100

130

Revolution of roll (rpm)

8-20

8-20

8-20

8-20

8-20

Max thickness of roll (mm)

4

5

6

8

8

Capacity of pressed pill (kg/h)

250〜500

500-900

700-2000

1000-4000

2000-7400

Productive capacity (kg/h)

80-150

150-300

300-600

600-1000

1000-2000

Diameter of finished products (mm)

0.2-5

0.2-5

0.2-8

0.2-8

0.2-8

Main motor power (KW)

7.5

11

15

22

30

Total power (KW)

13

21

30

46

60

Overall dimension (mm) (L x W x H)

1500x2000x3800

1700x2000x4000

2000x2500x4200

2500x2500x5200

2800x2600x6000

Weight (t)

7

8

10

14

20


Note:
1 .The output of rolled tablet is calculated in accordance with that the density of material sheet is 1500kg/m3andthe revolution of roll is 20rpm.
2. The output of finished product is calculated in accordance with that the granulating ratio is 50%.
3. The size of finished product can be changed in rather wide range by adjusting the aperture of sieve plate of crusher and granulator.
4. The actual operated power of main machine will be 70% of motor rated power.
5. The revolution of roll can be changed through change ratio of motor and reducer.



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