The sorting technology and principle of plastic metal sorting machine
There are several types of sorting machines, so how to choose the sorting machine, plastic and metal sorting, choose which sorting machine, you must understand the sorting technology and principles of sorting machine to choose the right sorting machine for you. Electrostatic separator is suitable for sorting powder-like materials, sorting metals and plastics, eddy current sorting machine is sorting flaky materials, crushed materials.
Electrostatic separator uses the electrical differences between minerals and materials in the high-voltage electric field generated by the electrostatic force, gravity and centrifugal force and other effective action on the material to achieve sorting separation equipment. In the machine at one time to complete the sorting or selection and manufacture of different models and types of electrical separation equipment, different materials or different particle sizes of the same material on the electric separator feeding system, discharge system and feeding system requirements are different, the internal structure of the electric separator has differences.
Electrostatic separator sorts all kinds of dry metal and non-metal mixture of separation and sorting, but not suitable for not suitable for large particle material sorting, material must be crushed before sorting. Electrostatic sorting machine is commonly used in selection operations. In the selection of suitable for their products to use the sorting machine, according to the needs to make a reasonable choice.
The principle of specific gravity sorter: so that the materials entering the machine through the wind suction and buoyancy effect, the different specific gravity and different granularity of the material suction and buoyancy, and the gravity of the material and other effective, the different specific gravity materials and the same material particle size, shape, the specific gravity wind separation. Wind suck away the specific gravity of small, small particle size or wind area of large flake material, after the collector and dust collector dust collection and discharge out of the machine, the specific gravity of the material and the same material by the wind is small material from the other end of the machine discharge.
Eddy current sorting technology and sorting principle: its sorting principle is based on two important physical phenomena: a time-varying alternating magnetic field is always accompanied by an alternating electric field (the law of electromagnetic induction); the current-carrying conductor generates a magnetic field (Biot's Law of Savage). When the non-ferrous metal with conductivity passes through the magnetic field, eddy current will be induced in the non-ferrous metal, and the eddy current itself will produce a magnetic field in the opposite direction of the original magnetic field, and the non-ferrous metal (such as copper, aluminum, etc.) will leap forward along the direction of its transport due to the repulsive force of the magnetic field to achieve the separation from other non-metallic materials and achieve the purpose of sorting; The main differentiation criterion is the ratio of material conductivity and density, the ratio of high value is easier to separate than the ratio of low material.
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