1、 Scope of application: When crushing materials, if the moisture content of the incoming materials is large, it is easy to block the crushing chamber, with low crushing efficiency, large vibration and fast wear. The discharging particle size cannot be guaranteed. If it is used to crush coal, the combustion efficiency will be reduced, and it is easy to cause coking at the bottom of the furnace chamber, which will affect the combustion effect of the boiler. In view of this phenomenon, we provide a screening and crushing machine. 2、 Operating principle: The equipment consists of screening distributor and crusher. The crusher is driven by two motors through a belt to make the work roll rotate in the opposite direction. After the materials enter through the feed port of the screening distributor, the materials meeting the particle size requirements are screened out from the screen roller, and the materials with large particle size are distributed on the screen roller and then enter the crusher. The teeth of the two rollers of the crusher are staggered with each other, making full use of the combination of cutting, splitting, pulling and pulling to crush the materials. At the same time, the materials are forced to roll continuously during the crushing process, Find the most vulnerable position for selective crushing to make the material reach the crushing particle size requirements. 3、 Main features: 1. the front screening distributor can effectively solve the eccentric wear problem of the rear crusher and ensure the discharge particle size. 2. compact structure and small installation space. 3. the single machine has high output, uniform particle size and adjustable crushing particle size., 4. the equipment is not sticky or blocked, and there is no requirement for the moisture of broken materials. 5. the toothed plate is dovetail toothed plate, which is fixed by the slider lock to realize the rapid assembly and disassembly of the toothed plate. 6. for the yielding mechanism of the crusher, the lever principle is used to increase the spring stiffness, and the spring group is lengthened at the same time, so that the single side flash back distance can reach 40-45 mm, which improves the hard object capacity of the whole machine, and the displacement adjustment is convenient. 7. the equipment has low vibration and noise, and no damping platform is required. The dynamic load is only 1.3 times of the static load, which has little impact on the building., 8. the humanized design facilitates the replacement of vulnerable parts and the frugal repair and maintenance of equipment. 9. the wind pressure difference at the inlet and outlet of the equipment is very small, which basically will not produce dust, so there is no need to install dust removal equipment. 4、 Configuration adjustable: Users can select according to their needs
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