Aug . 02, 2024 09:24 Back to list

A Brief Introduction of Hammer Mill Shredder

A hammer mill shredder is a piece of equipment that crushes materials in the form of impact. It is divided into two types: single rotors and double rotors. It is a first-stage crusher that directly crushes materials with a maximum particle size of 600–1800 mm to 25 mm or less. Impact hammer mill shredder is suitable for medium-hard crushing and fine crushing of medium-hard materials such as limestone, slag, coke, coal and other industrial sectors such as cement, chemical, electric power, and metallurgy.

The Structure of Crusher Hammer Mill

hammer mill shredder consists of box body, rotor, hammer head, impact lining plate, screen plate, etc.
Several rows of hanging hammers are installed on the main shaft of the crusher. A pin shaft runs through the pin hole on its circumference, and the hammer is hinged between each row of hanging hammer bodies with the pin shaft. The working surface can be replaced after the hammer is worn. There are two trapped pin holes on the hanging hammer body. The distance from the center of the pin hole to the center of the rotation axis is different and is used to adjust the gap between the hammer and the grate bar. In order to prevent the hammer body and hammer from moving in the platinum direction, the two ends of the hammer body are fixed with compression hammer plates and locking nuts. Both ends of the rotor are supported on rolling bearings, and the bearings are fixed on the casing with bolts. The spindle and the motor are directly connected with an elastic coupling. In order to make the rotor run smoothly, a flywheel is installed at one end of the main shaft.
The arc-shaped discharge screen bar is installed under the rotor, and both ends of the grate bar are mounted on the cross beam. The outer grate bar is pressed with a pressure plate. The grate arrangement direction is perpendicular to the direction of movement of the rotor. The gap between the grate bars is formed by the protruding part in the middle of the grate bars. In order to facilitate the discharge of materials. The gap between the grate bars gradually expands downward and also tilts toward the direction of rotation of the rotor.

Working Principles of Hammer Mill Shredder

The hammer mill crusher mainly relies on impact energy to complete the material crushing operation. When the hammer mill shredder is working, the motor drives the rotor to rotate at high speed, and the material enters the crusher cavity evenly. The high-speed rotating hammer head impacts, shears and tears the material, causing the material to be broken. At the same time, the gravity of the material itself makes the material from The high-speed rotating hammer head rushes towards the baffle and screen bars in the frame body. Materials larger than the screen hole size are retained on the screen plate and continue to be struck and ground by the hammer until they are crushed to the required discharge particle size and finally discharged out of the machine through the screen plate.

Onwang Technology, Your Reliable Shredder Machine Manufacturer

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