Crusher refers to a crushing machine whose particle size in discharge is greater than 3mm and accounts for more than 50% of total discharge. Crushing operations are often divided into coarse crushing, medium crushing and fine crushing according to the size of the particle size fed and discharged.
What's a jaw crusher?
What are the advantages of jaw crushers?
What is the production process of jaw crushers?
Jaw crusher is a crushing machine that uses the extrusion and bending action of two jaw plates to crush materials with different hardness. The crusher consists of a fixed jaw plate and a movable jaw plate. When the two jaw plates approach, the material is broken, and when the two jaw plates leave, the blocks of material smaller than the discharge opening are discharged from below. Its crushing effect is carried out intermittently. This type of crusher is widely used in industries such as mineral processing, building materials, silicates and ceramics due to its simple structure, reliable operation and ability to crush hard materials.
In the 1980s, the feed particle size of the large jaw crusher, which shredded 800 tons of material per hour, reached about 1800 mm. Frequently used jaw crushers are double knuckle levers and single knuckle levers. The former vibrates in operation only in a simple arc, therefore it is also called a simple vibratory jaw crusher; The latter moves up and down in an arc oscillating, which is why it is also called a complex oscillating jaw crusher.
1. The new generation jaw crusher has a deep cavity and no dead zone, which not only improves the feeding capacity of the equipment and performance, but also makes the particle size of the crushed product more uniform;
2. Compared with other stone crushing equipment, the jaw crusher pad discharge adjustment device has a large discharge adjustment range, flexible use, and can meet different processing requirements of customers.
3. The jaw crusher is quiet during operation, and can also be equipped with dust removal devices to reduce the dust pollution and achieve environmentally friendly production.
The entire stone production line process coordinated by the jaw crusher can be roughly divided into three steps: coarse crushing, fine crushing and screening. The specific process sequence is as follows: the mined raw materials are sent to the feeder jaw crusher for coarse crushing, and the coarse crushed raw materials are sent from the conveyor belt for secondary crushing to the impact crusher of the secondary crushing device; the secondary crusher The raw materials that do not meet the requirements are returned to the impact crusher for further crushing, and the raw materials that meet the requirements are sent to the conveyor vibration screen. The vibrating conveyor screen divides the materials into different specifications according to the particle size. and then sent to the appropriate finished product area.
Generally, the types of jaw crushers that can be used in stone production line can be roughly divided into two types: coarse jaw crushers and fine jaw crushers according to the particle size of the final product. When choosing a jaw crusher, the user should decide on grain size, hardness, moisture and other properties of the raw material of the machined sand.
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