Crusher Pai compound is greater than 3 mm in size of the total content of Pai estimate more than 50% of the mechanical grinding. Operations often broken by feeding and nesting into the size of coarse granularity broken, and broken Grinding.

A commonly used mechanical broken jaw crusher, cycles Crusher, cone crusher, roll crusher, hammer crusher and counterattack Breakers Several.
1. The jaw crusher is to use two pairs of the jaw plate bending and extrusion materials, rough broken or broken in various materials hardness of broken machinery. Their broken bodies from the fixed and movable jaw plate of the jaw plates, when two plates near the jaw when materials shall broken jaw when the two boards left nesting population is less than expected from the bottom of the block. Its action is broken intermittently conducted. This crusher due to the structure simple, reliable and can be broken and the advantages of hard materials are widely used in mineral processing, building materials, ceramics, silicate and industrial sectors.
20 to 20 in the 1980s, 800 tons of material per hour shattered a large jaw crusher to the expected size of over 18 mm around. Common Jaw Crusher have elbow-elbow plate and the plate two. The former fixed jaw at work only a short swing arc, it also called simple swing jaw crusher; For the latter in the swing arc also for all sports, it also called complex swing jaw crusher.
E-plate elbow mobile crusher upper and lower jaw plate nesting campaign to promote the role, and its upper level lower than itinerary, easily broken bulk materials, so its more efficient than bar broken plate. It is the shortcomings of the jaw plate wear faster, and materials will result in a crush increased energy consumption. To protect the machine's important not to overload parts were damaged, often simple shapes, sizes smaller elbow board design for weak links, overloading the machine when it first occurred deformation or fracture.
In addition, to meet different nesting requirements and the size of compensation jaw plate wear, has also provided a nesting population adjusting device, usually in blocks and elbow plate rack after adjusting pads and put iron or wedge. However, in order to avoid damage due to replace broken parts on the production and use of hydraulic device to achieve insurance and adjustments. Some jaw crusher used directly to drive the hydraulic plate of the jaw, the broken materials to complete the action. These two types of devices used hydraulic jaw crusher, often collectively referred to as hydraulic jaw crusher.

2. Breakers cycle is broken cone in use within the cone shell cavity in the campaign cycle, the materials have squeezed, Split and bending role rough broken hardness of ore or large rock crushing machinery. Broken cone with the top of the spindle bearing beams in the middle of the bush, while at the bottom of the eccentric hole in the sleeve. Bushings rotates, broken cone machines around the center line for the campaign cycle eccentric action is continuing broken, the working efficiency than jaw crusher. By the early 1970s, large crushing machine cycles per hour can handle 5,000 tons of material, the largest feed up to 2,000 mm diameter.
Cycles Crusher two ways to achieve nesting population adjustment and the insurance are: First, using mechanical methods, a top spindle nut adjustment, rotation adjustment nut, broken cone can be increased or decreased, so I followed nesting larger or smaller, overloading, cutting drive pulley on the actual insurance sales now insurance; The second approach is used hydraulic cycle hydraulic breakers, hydraulic cylinder located in the main shaft of the plunger, change the plunger hydraulic oil can change the size of the upper and lower cone crusher location, thus changing nesting population size. Overloading, spindle downward pressure increased, forcing the plunger hydraulic oil in the hydraulic system for the storage, lower cone crusher to increase nesting mouth with material from broken into the cavity of a non-broken (metal, wood, etc.) in order to achieve insurance.

3. Cone Crusher Principle and the work of the same cycle crusher, but only applied to broken or Grinding operations in the broken machinery. In Grinding operations nesting size uniformity of the general operating requirements than the rough-broken, so broken in the lower chamber should be provided for a parallel zone, while also accelerating the cycle cone crusher speed, in parallel to the material more than once by extrusion.
Grinding and crushing operations in more rough broken operations, so its broken loose after the larger size will increase. To prevent fragmentation cavity may cause obstruction, the increase in the nesting population is not to guarantee the necessary granularity nesting under the premise must be broken by increasing the diameter of the lower cone to increase the total nesting section.
Cone Crusher markers mouth smaller, mixed with the compound of the non-broken easily cause of the accident, and because of Grinding operations nesting pairs demanding size, must wear liner timely adjustment after nesting population, thus cone crusher insurance and broken coarse adjustment device operating more than necessary.
Simon spring-insurance cone crusher overloading, forcing cone shell and its own compression spring rise to increased nesting mouth from non - detritus. Nesting mouth on the adjustment to a set of adjustment, rotation - containing shell can be set by adjusting the screw its cylindrical shell led to upward or downward, to change the nesting population size. Hydraulic Cone Crusher insurance and readjustment and hydraulic breakers the same cycle.

4. Roll Crusher is the use of the roller surface friction material will be broken into bite, the bear squeeze or to split and broken machinery. When broken or need for increased crude than the broken, often make teeth or roller surface trench to increase Split role. Roll-on Roll Crusher usually divided into the number of single roll, double roll crusher and multi-machine, suitable for rough broken, or the broken Grinding coal, limestone, cement, clinker and feldspar in the following hardware materials.

5. Hammer Crusher is to use the high-speed impact hammer, broken in the right materials and fine crusher operation of broken machinery. Hammerhead hinged on the high-speed rotating rotor, a grate of the lower body to control the size markers. Crusher materials sent by the first high-speed movement and the impact of the initial hammerhead broken, and access to energy at the same time, high-speed flying on the chassis of broken wall plate again be broken. Less than grate of the material was from slot machines, more than the expected gap of the grate in the grate of the block again by the impact hammer and grinding until less than grate of the slot after discharge.

Hammer Breakers have broken than not, nesting uniform particle size, the crush of small, low power consumption advantages. But Hammer wear faster, in hard materials broken by the application; Because of the fear of another grate plug, it is not advisable to use it and the crushing humidity of clay materials. Such breakers are usually used to broken limestone, shale, coal, gypsum, in the Cretaceous, following hard brittle materials.

To hammer crusher for the Hammers for the steel ring-ring coal is the hammer crusher variant. It uses high-speed and low-speed impact of the comprehensive role of RCC broken materials, which will be more careful products are mainly used for crushing coal for power plants, but can also be used for gypsum, salt, chemical raw materials and some of the broken hardware materials.

6. Counter-crushing machine is to use the high-speed impact hammer plate and the plate counterattack rebound, allowing materials by repeated shocks broken machinery. Hammer solid plate installed in the high-speed rotation of the rotor and broken along the cavity by several different angles layout block counterattack plate.

Hammer materials into the role of the board when the board first by Hammer and the first initial shock broken, and access to energy at the same time, high speed toward the plate counterattack. Materials and counterattack again broken plate collision, the hammer bounced back into the role of the board and re-board by the hammer blow. So repeatedly, until he was broken into and the required size of the discharge.

With the hammer crusher compared to counter Breakers greater than the broken, and to make fuller use of the high-speed rotor impact energy. But plate hammer easily wear it hard materials broken application has been restricted, usually used to rough broken, or the broken Grinding limestone, coal, calcium carbide, quartz, dolomite, sulfide ore, gypsum and chemical raw materials in the following hard brittle materials.