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Hammer Mill

Hammer Mill

Hammer Mill is high speed impact mill capable of fine size reduction of soft to medium hard (less than 3 Mohs) raw materials, especially high fibrous materials: such as dried herbs, roots, leaves, spices etc.

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Working Principle:

Hammer Mill is high speed impact mill capable of fine size reduction of soft to medium hard (less than 3 Mohs) raw materials, especially high fibrous materials: such as dried herbs, roots, leaves, spices etc. The grinding chamber consists of a rotor with removable hammer blades and a saw-tooth ring with sieves. 

Raw material is fed into the grinding chamber via the central inlet by gravity or screw feeder. High speed rotation of the rotor creates centrifugal force that accelerates bulk material moving from the center to the periphery of the rotor at high speed, where the grinding is done by strong impact and shearing between the hammer blades and lined saw-tooth ring. The centrifugal force or air stream generated by draft fan force the product go through filtering sieve which is around the grinding chamber to get required particle size. Different particle size is determined by the rotor speed and hole size on the sieve.

Technical Features:

  • The removable hammer blades have sharp edges which can offer greater shear force than impact. It's good at grinding fibrous raw materials as well as friable/brittle raw materials from various industries.
  • Different particle size of final product is determined by the rotor speed and hole size of the sieve.
  • The materials remain cooler than in other types of mill due to short retention time and air is constantly drawn through the grinding chamber. 
  • The process capacity ranges from lab-scale to large-scale grinding system. 
  • Made by SUS304 or SUS316 stainless steel to meet food-grade sanitary standard. 
  • The grinding chamber can be easily dismantled for cleaning and maintenance. 

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Technical Parameters:

Model 20B  30B 40B 60B 80B
Feed size (mm) ≤10 mm ≤10 mm ≤12 mm ≤15 mm ≤20 mm
Product size (mm) 20-200 mesh (adjustable by changing sieve)
Capacity ( kg/h) 20-100 50-300 100-400 200-800 300-1500
Installation power (KW) 4 7.5 17.75 30.25 48.75
Dimension (mm) 820x650x1500 900x700x1650 6250x1350x2900 7400x1450x3150 7900x1600x3250
Weight (KG) 250 350 1350 1650 2100

Note: Our Hammer Mill is available in many sizes and configurations. The above models with typical design are indicative only. 

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FAQ:

Q: What information is needed in order to get a quote?

A: Our Hammer Mill is customized. The following information is needed to work out a detailed quote:

1)  What raw material you are going to grind. Raw material sample might be needed for trial production or tests;

2) Raw material size;

3) Required product size;

4) Process capacity in kg/h; 

3) Power supply type: 220V/380V/415V/440V, 50/60Hz, Single/three phase

Q: What is your normal lead time?

A: All our machines are customized. The normal lead time is 30-40 days after receiving the advance payment.

Q: How the machine is packed?

A: The machine is packed in standard plywood box;

Q: What kind of after-sale service can you provide?

A: 1)All our machines are fully tested before shipping. Detailed operation manual, which includes photos, installation & operation videos, layout drawings, electric drawings etc. is delivered with the machine. So the end-user can easily install and operate the machine.

2) In response to cutomer's invitation, technicians can be sent to the end-user's workshop for installation, commissioning and training.

3) Provide life-long technical consultation and favorable spare parts.

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