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Ultra-fine Grinding - Pulverizer with screen (for shrimp feed, fish feed, and pet food)

IDAH has two ways to control fineness in pulverizer, with or without the screen. The horizontal pulverizer is designed by using screens for classification. A pulverizer is designed for producing ultrafine powder by utilizing a high-speed rotating hammer and stationery liner to generate breaking force during contact.

In horizontal pulverizer, multiple screw conveyors fed the raw material into the milling chamber. The ultrafine powder will be generated through beating, shearing, and pulverizing action. These powders will pass the screen and be transported by air to the dust collector. The worm gear transportation system can avoid air leakage and adjust the loading of the main motor by the electric control system.

Pulverizer can be applied to produce ultra-fine powder, used for the production of shrimp feed, fish feed, and pet food.

Features and Benefits

  1. Reduced specific energy input to reach Higher energy efficiency.
  2. All sealed and dust-free design to reduce the energy and maintenance cost
  3. Large grinding surface to increase higher capacity and higher fines
  4. Ease of changing screen and beaters to reduce downtime
  5. Heavy duty construction to lower vibration
  6. Innovated grinding chamber design to achieve high grinding efficiency

IDAH AP-Series Horizontal Pulverizer Working Principle

The horizontal pulverizer working principle is as follows: 

  1. Material inlet
    The small funnel hopper works as temporary storage and helps to direct the material to the screw feeder
  2. Screw feeder
    A multiple screw feeder will feed the material to the grinding chamber uniformly throughout the grinding area.
  3. Liner and hammer
    The static liner and the moving hammer will break the material during impact
  4. Screen
    Only fine material will pass through the screen
  5. Pneumatic conveying
    The material will be transported to the material separator, heavier material will be returned back to the grinding hopper

AP-series horizontal pulverizer working principle

Model AP-4 AP-5 AP-6 AP-7 AP-10
Main Motor (HP) 100 150 200 250 300
Number of Hammer (pcs) 48 60 72-84 84-98 120-140
Capacity1 (t/h) 0.8-1.5 1.2-2.5 2.0-3.5 3.0-4.0 3.5-5.5

Note:

1) Aquafeed, passing screen 1.0 mm, 60 mesh, 90% pass, moisture content<12%, oil content<7%

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