Large-scale stone crushing machines are suitable for about 200 kinds of ores. There are many models on the market. According to the size of the feeding and discharging particles, they are divided into coarse crushers, medium crushers, and fine crushers. At the same time, according to the crushing method, mechanical structure characteristics, etc., they are generally divided into 5 categories. Commonly used equipment include jaw crushers, impact crushers, cone crushers, impact crushers, hammer crushers, etc. In addition, they are different in working methods, applicable materials, etc.

Stone crushing equipment introduction

1. Capacity classification

The output of large-scale stone crushing machines can reach 3,000 tons/hour. For example, if the demand is 1,000 tons, 1,500 tons per hour, 2,000 tons, etc., you can choose jaw crushers, cone crushers, hammer crushers and other equipment; if it is 500 tons or 800 tons, you can choose impact crushers and impact crushers.

2. Crushing effect

Generally, jaw crusher and hammer crusher (coarse/medium/fine crushing, one-time forming) are used for coarse crushing;

impact crusher and cone crusher are used for medium crushing;

impact crusher is used for fine crushing, which can also meet the demand of sand making;

Note: The above is not fixed. Some machines are suitable for both coarse and medium crushing.

3. Working mode

Hammer crusher and impact crusher, etc., all crush materials by impact.

Jaw crusher and cone crusher work by extrusion crushing.

Impact crusher adopts "stone hitting stone" and "stone hitting iron" working modes. Stone hitting stone is mostly used for shaping and good particle shape. Stone hitting iron has large output and high efficiency.

4. Applicable materials

Medium hardness and soft materials, such as limestone, dolomite, coal, etc., can choose impact crusher, hammer crusher, jaw crusher, etc., with low initial investment cost and good finished product particle shape.

Cone crushers and jaw crushers are more suitable for processing high-hardness materials, such as basalt, granite, etc., and the wearing parts are not afraid of wear and tear, and the service life is longer.

Can large-scale stone crushing machines produce high-standard stones?

Large-scale stone crushing machines can produce high-standard stones. At present, in order to ensure the quality and quantity of the project progress, there are certain critical line standards for the material control of construction crushed stones, that is, the distinction between high-standard and general materials. The crushing value and mud content are the two main technical indicators. Of course, there are other aspects, such as stone particle size, grading, crushing value, mud content, firmness, etc.

Technical indicators of crushing value: <21 for high-standard, <23 for general materials

Technical indicators of mud content: <1.0 for high-standard, <1.5 for general materials

After being processed by Shibang Group's large-scale stone crushing machine, for example, the crushing value of 1-2 stones is less than 10, the mud content is less than 1%, the needle-like shape is less than 8, the grading is 5-16, and the particle shape should be round and full; the pebbles are less than or equal to C35, the crushing index is ≤16, and the crushing index is greater than C35 is ≤12. The lower the crushing value, the higher the hardness.