2012/8/28 18:42:38
The crusher machine experienced several changes of the times, the course of the development of Modern crusher is started from the western industrial revolution. 1858 jaw crusher was born in the United States, designed and manufactured by Black, its structure in the form of the elbows plate jaw crusher. Jaw crusher in part by the fixed jaw plate and movable jaw plate, its crushing work by the activities of the jaw pull cycle pressure to the fixed jaw plate, the central crushed materials between the two jaw pull. If the teeth on the movable jaw and fixed jaw the broken plate surface with corrugated materials mainly to squeeze broken, and the role of both split and broken. The jaw crusher's discharge when the movable jaw plate leaves the fixed jaw plate, depending on the gravity material from below the discharge opening stalls out, the particle size of the product is determined by holding the spout size. Depending on the trajectory of the movable jaw can be divided into simple swing jaw crusher and complex swing jaw crusher. Jaw crusher with crushing strong unit time broken large crushing ratio and other characteristics, and both can be used for crushing operations, can also be used for the fine job process, hard coal is mainly used in coal preparation plant broken.The working portion of the stone crusher, composed by the fixed outer cone and inner cone of the activities, by means of a rotary pendulum movement of the moving cone periodically towards and away from the surface of the fixed cone, so that material into the crushing chamber is continuously subjected to compression and bending action and broken, to be broken by gravity from the bottom of the crushing chamber is offering. Cone crusher with crushing ratio, high efficiency, less power consumption, product size should be, etc., is mainly applied to the concentrator squadron hard rock materials in Xihe superfine crushing, few applications in the coal preparation plant.
1895 earliest hammer crusher, its work is hinged on the turntable of the hammer, when material into the hammer crusher immediately broken by the impact of the high-speed rotation of the hammer, and taken to the following discharged from the sieve operator bar screen, hammer crusher rotor number can be divided into the single rotor and double rotor type two, single-rotor type can be divided into two kinds of irreversible and reversible.
With the development of science and technology, the development of the crusher has made great achievements. 1990s, impact crusher, selective crusher, MMD crusher more advanced crusher emerged, at the same time of the crusher industry booming again, and gradually to the large-scale The direction of the march.