Bukreyev V. The perfection in systems with permanent magnets of drum type iron-separator

Magnetic systems of drum iron separator with permanent magnets are investigated. Method of decrease of specific material consumption due to parametric optimization on a criterion of minimum volume of permanent magnet is offered. Analysis of magnetic and force fields in working area of iron separator is full field on basis of numerical and full-scale experiments. Mathematical models of magnetic fields and fields of forces, allowing to calculate components of magnetic field strengths and ponderomotive force in a working gap of iron separator; method of the numerical solution of nonlinear vectorial integral equation, allowing to determine a magnetization of isotropic magnets in a working point; analytical dependences of a ponderomotive force in working area of iron separator on geometrical parameters of magnetic system poles with taking into account magnetic characteristics of permanent magnet material; technique of optimization of magnetic system of drum iron separator on a criterion of minimum volume o f permanent magnets at specific productivity of iron separator, physical properties of separated mixture and limitation on the drum sizes are developed. As result of investigations the new approach to designing of magnetic systems of drum iron separator is offered. The approach is based on the account of the consumer requirements in each particular case of separator application and allows to reduce specific consumption of materials and cost of these apparatuses. A field of application of this type separators is resource saving production processes and protection of equipment in metallurgy, food-processing and mining productions.