Maliy pr. V. O., 62/2, liter A, St. Petersburg, Russian Federation, 199178

Hammer mill HM 2x2

INDUSTRIES

 Mining

 Metallurgical

 Construction

 Chemical

Pharmaceutical

 APPLICATIONS

Coal, foil, polyester resin, glass, slag, salt, automotive catalyst, mica, electrical circuits, food products.

    
    

CHARACTERISTICS

PARAMETRES

VALUES

Loading door dimensions, mm

200х330

Maximum initial material size, mm

20

Mohs hardness of crushed material, up to

4

Size of discharge grate openings, mm

0,8-20

Comminuted product particle size when 0,8 mm grate is used

90%<0,5 

Maximum output, kg/hour

100

Electric motor power, kW

1,5-3

50 Hz supply voltage, V

380

Rotor rpm

1000-3000

Overall dimensions, mm (Length x Width x Height), mm

885х550х1410

Weight, kg

120

Hammers material – tool steel

AISI 1066

Control panel model

MPU

* Depends on the physical properties of the material and the size of discharge grate openings

ADVANTAGES

MILLING EFFICIENCY

Particles of the material are destroyed by the hammers impacts and friction on the inner surfaces of the crushing chamber, as well as self-grinding.

PRODUCT PARTICLE SIZE AJUSTMENT

There are 5 ways to adjust the particle size of the product:

  • installation of grates with various openings;
  • installation of various sets of hammers;
  • change of rotor speed;
  • installation of a smooth or ribbed lining of the cover;
  • connection of the dust collector.

EASY MAINTENANCE

Hinged cover bolts provide quick access to the milling chamber for inspection and replacement of hammers and grates, and cleaning of the chamber.

OPERATIONAL SAFETY

The end switch excludes start-up with open milling chamber. The size and configuration of the loading hopper preclude access to the milling chamber. Bumpers in the hopper exclude the material ejection from the milling chamber. All rotating parts and assemblies are covered by the casing.

ABILITY TO COMPETE WITH VARIOUS HAMMERS

HM 2x2 Hammer mill can be equipped with several types of hammers:

  • 3 types of thickness — 1.6 mm, 2 mm, and 3 mm;
  • 3 types of sharpening — flat, with symmetrical sharpening, and with beveled sharpening.

COMPATIBLE WITH DUST СOLLECTOR

 Ability to connect to dust collector to:

  • increase the output;
  • lower the temperature in the milling chamber;
  • lower the content of dust fraction in the product;
  • separate the material into three fractions: precipitated in the receiving container, cyclone and bag filter.

FREE SUSPENSION OF THE HAMMERS

Free suspension of the hammers on the rotor axes increases their resource and reduces the risk of mill damage due to the indestructible object entering the milling chamber.

QUALITY SPARE PARTS

The hammers are made of tool steel AISI 1066 and can be turned 180°. Self-aligning rotor bearings reduce the load on parts and assemblies. The grate is made of a standard perforated sheet or 5 mm AISI 1066 sheet laser cut openings.

DESCRIPTION OF THE DEVICE

The principle of operation of the hammer mill is based on the impact on particles of material. The structure of HM 2x2 Hammer mill includes: loading hopper, lid, base, rotor, electric motor and support stand.

The milling chamber is formed by the inner surface of the lid, part of the base and the discharge grate installed in the base. A rotor (shaft on which two discs) is mounted inside the milling chamber. Six axes with hinged hammers are inserted into the holes made on the periphery of the disks.

A loading hopper is installed on the lid. Inside the hopper there are a curtain and two bumpers. A window is provided in the side wall of the housing for connecting the dust collector. Torque from the electric motor is transmitted through a belt drive to the rotor.

OPERATING PRINCIPLE

The initial material is fed through the loading hopper into the milling chamber, where it is destroyed by hammers, impacts and friction on the inner surfaces of the milling chamber, and is also self-grinding. The milled material passes through the openings of the discharge grate, the size of which determines the size of the product particles, and enters the receiving container and / or is transported by the air flow to the cyclone and bag filter of the dust collector.

The hammers are thin rectangular steel plates. The sides of the hammers can be either flat or sharpened at different angles. The number and shape of hammers is determined by the assigned technological task.

PRODUCTION OPTIONS

  • Electric motors with shaft rotation speed of 1000, 1500 or 3000 rpm.
  • Various hammer sets:
    • 48 flat 2 mm thick hammers;
    • 48 sharpened 2 mm thick hammers;
    • 48 flat 3 mm thick hammers;
    • 48 sharpened 3 mm thick hammers;
    • 108 flat 1.6 mm thick hammers;
    • 108 flat 2 mm thick hammers;
    • 108 sharpened 2 mm thick hammers;
    • 126 flat 1.6 mm thick hammers;
  • Completed with dust collector

 SPECIAL OPTIONS:

  • HM 2x2 Hammer mill with product unloading via dust collector;
  • HM 2x2 Hammer mill with working bodies (hammers, discharge grate) made of stainless steel.

MPU3-12 control panel

Loading scoops, V=1,2 L

HM 2x2 hammer mill with dust collector