What are the crushing methods for household waste?

Crushing methods can be divided into three categories: dry, wet and semi-wet crushing. Among them, wet crushing and semi-wet crushing is in the crushing at the same time both graded sorting treatment. Dry crushing is usually called crushing. According to the external force used, i.e. different forms of energy consumption. Dry crushing (hereinafter referred to as crushing) can be divided into mechanical energy crushing and non-mechanical energy crushing two methods. Mechanical energy crushing is the use of crushing tools such as crusher plates, hammers and ball mills and other steel ball on solid waste and its broken; non-mechanical energy crushing period is the use of electrical energy, heat and other solid waste crushing of new methods, such as low inkstone crushing, thermal crushing, low-pressure crushing or ultrasonic crushing and so on. Low frustration freezing crushing has been used for waste plastics and their products, waste rubber and their products, waste wire (plastic and rubber are searched) and other crushing. At present, the widely used crushing methods are impact crushing, shear crushing, extrusion crushing, friction crushing, etc., in addition to special low-discouragement crushing, wet crushing.