Abstract
The article substantiates the need for directional supply of rocks with an anisotropic texture and applying force in a given direction in order to obtain crushed stone of a cubic shape. The list of crushing equipment used in the process of obtaining cube-shaped crushed stone is given. It has been established that the existing crushing equipment is not able to take into account the specific texture of the crushed materials and this does not allow the production of cubic crushed stone from shale materials. A description of a new design of a press-roll unit is given, which makes it possible to obtain cube-shaped crushed stone from rocks with a shale texture. The press-roll unit includes a device for the directed supply of shale materials to its working bodies, which create a force effect on the supplied pieces of rock in the required direction. A description is given of the design of the working body tooth, which makes it possible to significantly reduce the time for replacing worn elements and to reduce the bending loads acting on it. A mathematical model of the directed movement of shale materials in a roller device is considered and an equation for calculating the required force is obtained. The graphical dependences of the influence of the value of the angle of installation of the roller and its displacement horizontally and vertically on the amount of deformation of the layer of the supplied material are given.
Highlights
A novel control method for roll gap of roller crusher based on FuzzyPID with decision factor self-correction // IOP Conference Series Materials Science and Engineering. 2020
The article substantiates the need for directional supply of rocks with an anisotropic texture and applying force in a given direction in order to obtain crushed stone of a cubic shape
The list of crushing equipment used in the process of obtaining cube-shaped crushed stone is given
Summary
Пресс-валковый агрегат, включает в себя устройство для направленной подачи сланцевых материалов к его рабочим органам, которые создают силовое воздействие на подаваемые куски породы в требуемом направлении. Анализ отечественных и зарубежных конструкций проектируемого и эксплуатируемого дробильного оборудования показал, что они не приспособлены к учету текстуры дробимых материалов, что не позволяет получать щебень кубовидной формы из горных пород, имеющих сланцевую текстуру [1,2,3,4]. Шухова разработан пресс-валковый агрегат с устройством для направленной подачи, который позволяет создавать направленное движение кусков горных пород вдоль своей большей оси к рабочим органам и создавать силовое воздействие в требуемом направлении, что приводит к получению на выходе щебеня кубовидной формы. Его контакта с измельчаемым материалом, а следовательно снижения изгибающих нагрузок, действующих на зуб
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