A Complete Set Of Knowledge Of Hammer Crusher
The hammer crusher can be divided into: single-section hammer crusher
, high-efficiency hammer crusher, sand maker, vertical shaft hammer crusher and reversible hammer crusher.
Single-section hammer crusher
Single-section hammer crusher belongs to heavy hammer crusher, and is also called compound hammer crusher, mainly used in limestone crushing. Large single-section hammer crusher has strong crushing capacity, which can directly break limestone of 1meters in diameter to about 20mm, thus it widely applied in cement industry.
High-efficiency hammer crusher
High-efficiency hammer crusher is important equipment in fine crushing field and mainly used for material fine crushing. Making PX high-efficiency fine crusher as an example, hammer head is with split structure, which makes replacement convenient; Hammer head and handle are connected by bolt. Hammer head materials adopts Cr Mo alloy of high wear resistance whose wear-resisting performance is best among hammer crushers.
Vertical shaft hammer crusher
Its advantage of no-plate structure makes it avoid blocking phenomenon. But its crushing effect is slightly lower because hammer head and liner plate cannot form large angle counter process. The hammer head is an integral-structure one, so the repair and maintenance are complex.
Reversible hammer crusher
Mainly used in soft materials and low abrasive material fine operation. The rotor has movement skills to positive and negative direction, which can greatly improve the hammer use cycle and reduce replacement frequency of hammer head.
The hammer crusher is applicable for both dry and wet crushing. Hammer crusher is widely used for medium or fine crushing for medium hard and brittle materials by departments of mine, cement, coal, building material, metallurgy, chemical industry, road construction, gas chemical industry and thermal power generation, etc. Coal gangue, coke, slag, limestone, phosphate rock, salt, whiting, gypsum stains, alum, brick and tile, etc. can be crushed by this equipment. The compression strength of the materials shall not exceed 100MPa, while the moisture content shall be lower than 15%. It plays a very important role in the chemical, mining, construction industries and provides a solid technical foundation for the construction of China's industrial power.
The starting of the major livelihood projects will increase the demand for all types of construction machinery and crusher demand will rise sharply. Specifically, the fiscal policy have to implement structural tax cuts, and further improve the relevance and effectiveness of monetary policy adhere to keeping basic orientation of the prudent monetary policy unchanged, guide the steady and moderate growth in money supply and credit, and pay more attention to meet the needs of the substantial economy.
The traditional method to repair primarily by welding or brushing, but both them have drawbacks: welding thermal stress by high temperature cannot be completely eliminated, which cause material damage or lead to part appears to bend or break; and brush plating is limited by coating thickness, so it is easy to peel, and above two methods are used in repair metal by metal, cannot change the relations of " hard to hard", will cause wear again under the comprehensive roles.
Symons cone crusher : http://www.best-crushers.com/conecrusher.htm
Raymond mill : http://www.china-crusher.com/raymond-mill2.html
by: libby
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