What Is a Hammer Crusher?
A Hammer Crusher is a crushing machine that crushes large objects using a hammer.
The object is gradually crushed by a hammer rotating at high speed, and the input object is reduced in size. They are used in diverse fields, such as ore, food materials, and chemical products. The shape of the hammer and rotation speed can be adjusted according to the object.
Although the crushing capacity is high, it is not capable of crushing finely, so other equipment must be used together as needed. Also, because of its low installation cost, it is sometimes used as a relatively simple device.
Uses of Hammer Crushers
Hammer Crushers are used in a wide variety of applications in the industrial, food, and medical industries.
In industrial uses, they are widely used for crushing and processing mineral resources such as ore, limestone, and gypsum.
They are also used for the temporary crushing of food and chemical products. For example, lumpy food products used as raw materials can be fed into hammer crushers to be crushed to a certain size before proceeding to the manufacturing process.
In the case of chemical products, crushing to a certain size may be necessary in the process of research and development or experimentation.
Although it is possible to adjust the shape of the hammer and rotation speed according to the object, it is impossible to crush it into a fine powder. Therefore, other types of crushers must be used if microscopic powder form is desired.
Because of their high crushing capacity and low installation cost, hammer crushers are widely used in rock mining, construction sites, and other situations where crushing of relatively large objects is required.
Principle of Hammer Crushers
Hammer Crushers operate on the simple principle that a high-speed rotating hammer crushes an object by striking it hard. The hammers come in various sizes and shapes, and can be installed according to the object to be crushed for efficient crushing. In addition, objects can be crushed more efficiently by bouncing off the plate or by being destroyed by the impact of being struck.
In addition, a mesh-like device called a rosle is installed at the outlet to sort crushed objects. It is also possible to crush them into specified sizes. Since the size of crushed objects can be adjusted according to the application, the system is used in a variety of fields.
Another advantage is the low cost of installation and simple structure, which reduces the possibility of breakage or malfunction. On the other hand, vibration and noise caused by high-speed rotating hammers may occur, requiring consideration of the surrounding environment.
Types of Hammer Crushers
There are two main types of hammer crushers in general use: single-rotor hammer crushers and double-rotor hammer crushers.
Some are made of wear-resistant materials, some are equipped with a cooling system, and some have a special structure for handling large objects. Depending on the application, it is necessary to select the hammer crusher to be used.
1. Single-Rotor Hammer Crusher
The single-rotor type hammer crusher has a number of hammers attached to a single rotor. Objects are fed into the rotor and crushed by the hard hitting of the hammers. It is suitable for crushing large objects, and its advantage is that it can process large quantities at a time.
2. Double-Rotor Hammer Crusher
The double-rotor type hammer crusher has hammers attached to two rotors. Objects are crushed between the two rotors. It is suitable for processing small objects at a time and provides more even crushing.