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              Home / Products / Crushing & sizing

              Reversible Impact Hammer Mill


              The PCFK series of Reversible Impact Hammer Mill, as an integrator of hammer mill and impact mill, is used for primary & secondary crushing of low- and medium-hardness materials.


              Mainly used to crush

              Coal for circulating fluidized bed boiler

              Coking coal for coke even

              Coal, coke, limestone, dolomite, lime and etc. for sinter plant

              All kinds of low and medium hardness ore, such as iron ore, phosphate rock and etc.


              Main features and advantages

              Advanced design and various functions

              Higher efficiency and reliable operation

              Excellent uniformity of product size and low fine grain ratio


              Working Principle


              The uniform distribution of the feeding material at the entire width of the rotor via a vibrating feeder or a specially-designed inlet chute is requested for achieving an optimum final grain size as well as a uniform wear of the crushing parts.

              After entering the crushing cavity, the feed material is grasped by the rotating beater heads and then thrown against the grinding face at high speed to be crushed and again rebound to beater heads. The material is gradually crushed in a course of dash and inter-collision repeatedly and discharged out of the end of grinding face.

              Product size is determined by rotation speed of the rotor, weight of hammers and gap between the rotor and the grinding wall.


              Product Features

                PCFK series of Reversible Impact Hammer Mill consists of rotor, crushing plate and adjusting units, housing, base frame, and drive unit.


                1. The left and right frames are symmetry to ensure the motor is reversible. Grinding faces are installed at both sides of the frame to make full use of both sides of   hammer head. The left and right housings can be opened up upto 45°max through hydraulic device to facilitate maintenance.


                2. Main shaft and hub discs are forged with quality steel and assembled in octagon structure to ensure that the working portion of main shaft is in uniform stresses and balance of the rotor, which also facilitates maintenance.


                3.The flexible connection of beater arms with heads can ensure that hammer mill is sturdy enough against the intrusion of foreign hard matter.


                4.Hammer heads are arranged in spiral for stable load and good crushing effect. The arms and heads are weighed by pairs to ensure exact balancing of the rotor. The arms are forged with quality steel and the heads are made of high wear-resistant alloy cast.


                5. Specially designed crushing plate are fitted on the grinding wall to guarantee the angle of incidence of the material against the grinding wall at nearly 90° for optimum crushing result. Gap between rotor and grinding wall can be adjusted to compensate wearing of grinding faces and change size of finished product.



              • Standard type / Heavy type

                Normally, standard type of rotor and grinding faces are adopted for brittle material, and heavy type for hard material (limestone, iron ore and etc).

              • Drive mode

                Direct-coupling: Rotor shaft is driven by motor through fluid coupling with motor and mill arranged a straight line.

                Parallel: Rotor shaft is driven by motor through big and small pulley besides coupling with motor and mill laid in parallel.

              • Reversible / Non-reversible

                Reversible impact hammer mill is equipped with grinding faces at both sides, allowing reversible operation and thus utilization of heads and grinding faces at both sides. As the rotor of the non-reversible hammer mill operates in single-direction, the heads have to be reversed for use after being worn out on one side.

              • Shock absorption device

                E-motor and mill are fitted on a whole plate form, fitted with shock absorption units for lowering down motional load and noise effectively.

              • Bearing temperature & vibration detection device

                Bearing temperature and vibration amplitude can be detected and displayed at local instrument box with signals transmitted to central control room.

              • Bearing lubrication device

                Automatic oil or grease lubrication unit is adopted for bearings to get continuous and full lubrication and maintenance.

              • Fluidized bed drying system

                Fluidized bed drying system, integrating classifying, drying and crushing as a whole, can modify moisture while crushing selectively to meet process requirement.

              Technical Specification

              Model no.

              Output (t/h)

              Feed size(mm)

              Output size(mm)

              Motor power(kw)

              Rotor diameter(mm)

              Rotor length(mm)

              PCFK1006

              10-15

              50/20

              8/3

              55

              1000

              600

              PCFK1008

              20-30

              50/20

              8/3

              75

              1000

              800

              PCFK1010

              30-40

              50/20

              8/3

              90

              1000

              1080

              PCFK1012

              50-60

              50/20

              8/3

              132

              1000

              1240

              PCFK1210

              60-70

              70/30

              8/3

              160

              1200

              1080

              PCFK1212

              80-90

              70/30

              8/3

              185

              1200

              1240

              PCFK1214

              110-120

              70/30

              8/3

              250

              1200

              1400

              PCFK1414

              130-150

              70/30

              8/3

              280

              1400

              1400

              PCFK1416

              160-190

              70/30

              8/3

              315

              1400

              1640

              PCFK1612

              140-160

              80/30

              8/3

              355

              1600

              1240

              PCFK1616

              200-220

              80/30

              8/3

              450

              1600

              1640

              PCFK1618

              250-280

              80/30

              8/3

              630

              1600

              1800

              PCFK1820

              350-400

              80/30

              8/3

              710

              1800

              2000

              PCFK1825

              500-550

              80/30

              8/3

              800

              1800

              2500


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              Contact

              Future Square, No.55 Industrial South Road, High-tech Zone, Jinan, China

              +86-0531-83323931
              huangfan@andeindustries.com

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