Sanding machine is also called sand making machine. In the foundry machinery industry, sanding machine is a frequently used sand treatment equipment.
Hammer sander (crusher) is one of the beneficiation equipment for crushing ore. It can crush the ore below 50mm or tailings and middling in incompletely separated minerals, separate useful metals from the ore, crush the ore particles at about 1 ~ 180 mesh according to the requirements of the concentrator, and then enter the shaking table for separation. It is suitable for small mines and replaces ball mills to a certain extent. Easy installation, easy operation, less investment and quick effect. In the actual crushed ore, screens of different specifications can be selected, and the screen hole min is 2mm.
Hammer sander (crusher) is one of the equipment for crushing ore. It can finely crush the ore below 50mm or the tailings and middling in the incompletely separated minerals, and enter the shaking table for separation after the separation of mineral monomers. It is mainly applicable to small tungsten, tin, gold and other non-ferrous metal and precious metal mines. The sanding machine has the advantages of easy installation, easy operation, less investment and quick effect. In the actual crushed ore, screens of different specifications can be selected, and the screen hole min is 1mm.
The material enters the sand making machine from the feed hopper and is divided into two parts through the distributor. One part enters the high-speed rotating impeller from the middle of the distributor and is rapidly accelerated in the impeller. Its acceleration can reach hundreds of times the gravitational acceleration, and then is ejected from the three evenly distributed flow channels of the impeller at the speed of 60-70m / s, Firstly, it impacts and breaks with some materials collected and dropped from around the distributor, and then impacts on the material lining in the vortex branch chamber together. It is rebounded by the material lining and impacts obliquely upward on the top of the vortex chamber. It also changes its movement direction and deflects downward. The materials emitted from the impeller channel form a continuous material curtain.
A piece of material is subjected to two or more times of impact, friction, grinding and crushing in the vortex crushing chamber. The crushed materials are discharged from the lower discharge port. It forms a closed circuit with the circulating screening system. Generally, the material can be broken into less than 20 mesh after three cycles.
In the whole crushing process, the materials impact and crush each other without direct contact with metal components, but crush due to impact and friction with the material lining, which reduces angular pollution and prolongs the mechanical wear time. The ingenious air flow self circulation in the vortex chamber eliminates dust pollution.
1. The utility model has the advantages of simple and reasonable structure and low operation cost.
2. High crushing rate and energy saving.
3. It has the functions of fine crushing and coarse grinding.
4. It is less affected by the moisture content of the material, and the moisture content can reach about 8%.
5. It is more suitable for crushing medium hard and extra hard materials.
6. The product has excellent particle shape, cube shape and low needle flake content.
7. The impeller self lining has small wear and convenient maintenance.
8. The working noise is lower than 75 dB (DB level).
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