Impact crusher is also called back break, mainly used in metallurgy, chemical industry, building materials, water and electricity and other materials processing, often need to move operations especially for highway, railway, water and electricity engineering, such as liquidity stone work, according to the type of processing raw material, the requirements of different size and finished product material using a variety of configuration forms. China’s current mobile crushing plant more applications in urban demolition construction garbage disposal project, the construction waste crushing and screening for several kinds of recycled aggregates of different sizes and rules, is the realization of China’s construction waste resource reuse of engineering foundation.
Impact crusher, history can be traced back to the 1850 s, the world’s first the birth of the jaw crusher has passed for a long time. With the development of productivity, jaw crusher has not fully meet the needs of crushing technology, then, on the basis of the jaw crusher, people designed the impact crusher again. impact crusher is named according to the working principle, the use of counterattack broken principle to crush materials, more than jaw crusher is a kind of fine crusher equipment, in the stone production line is mainly used to finely homework, cooperate and jaw crusher broken. impact crusher has the following five aspects in the process of crushing the advantage of performance.
1. The impact crusher more efficient processing of large quantities of wet material, effectively prevent material jam.
When the moisture content of material is too large, the impact crusher feed chute and back panels can be equipped with heating device, to prevent the adhesive of the material. impact crusher not equipped with the bottom sieve plate which can effectively prevent blocking phenomenon.
2. The impact crusher more widely applicable material hardness.
impact crusher plate hammer adopts the mechanical clamping structure is due to the rotor firmly, when with the rotor rotation with a lot of moment of inertia. Relative to the hammer crusher (hammer head went into a state of suspension), impact crusher rotor has more momentum, and adapt to broken the harder material, are at the same time, low energy consumption.
3. Can adjust the discharging granularity convenient and flexible, the adjusting range is extensive.
impact crusher can adjust the discharging granularity in a number of ways, such as adjusting the rotor speed, adjust the back plate and grinding chamber clearance, etc. Clearance adjustment can be adjusted by mechanical or hydraulic, adopt hydraulic regulating system can easily through the on-site operation button or remote control system to complete the clearance adjustment.
4. Wear small, metal parts, high utilization rate.
Counterattack broken stone machine board hammer wear only on one side of the material in greeting. When the rotor speed is normal, feed will fall to the surface of plate hammer (‘), the board hammer and side are not worn on the back. Even this side to meet the material wear rarely. And at the bottom of the grinding rod is also easy to replace. impact crusher plate hammer metal utilization can be as high as 45% – 48%.
5. Impact crusher spare parts replacement is simple, maintenance costs less.
impact crusher rotor only install 6 plate hammer, use special tools can easily design to replace plate hammer, replacing a board hammer need a flight time.
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