Crushing Equipment High Reduction Ratio Stone Crusher Double Roll Crusher

Crushing Equipment High Reduction Ratio Stone Crusher Double Roll Crusher     Double roll crusher overview:   The double toothed roll crusher is used for crushing and finely compressive strength less than 700 kg/cm, hardness of ore and brittle materials, such as coke, coal, sand, stone pages, frozen soil, coal and other materials, widely used in coal preparation, building, metallurgy, coking and other departments, mainly used in crushing coke coal use.
Double roller crusher physical constructure:   1.This series of double roll crusher is mainly consist of the roller , roller  support bearing, pressure and regulation  device and drives components.   2.Through the feed opening, the raw materials fall to between the two  rollers, after crushed, the final products drop naturally. When there are  unbreakable materials or the material is too hard, the roller will concede  automatically under the effects of spring and hydraulic pressure, which  will widen the clearance between the rollers and make the hard or  unbreakable so as to avoid damaging the machine. The clearance  between the two rollers can be adjusted to change the sizes of final  products.   3.Double roller crusher can adjust the clearance between rollers and  drive through triangle belt or multidirectional shaft coupling, and the  four roller crusher will do it only through triangle belt.    4.For safety, the transmission part should according to the actual  situation to install safety cover.      Double Roll crusher Working principle:  The particles are drawn into the gap between the rolls by their rotating motion and a friction angle formed between the rolls and the particle, called the nip angle. The two rolls force the particle between their rotating surface into the ever smaller gap area, and it fractures from the compressive forces presented by the rotating rolls. Some major advantages of roll crushers are they give a very fine product size distribution and they produce very little dust or fines. Roll crushers are effectively used in minerals crushing where the ores are not too abrasive and they are also used in smaller scale production mining of more abrasive metal ores, such as gold. Coal is probably the largest user of roll crushers, currently, though. Coal plants will use roll crushers, either single roll or double roll, as primary crushers, reducing the ROM coal. Usually, these crushers will have teeth or raised forms on the face of the roll. ( used for minerals and metal ores have smooth faced rolls.)   Double roll crusher features: 1. Average discharging size without blocking up. 2. Automatically sieve the material after crushing 3. High efficiency and low energy consumption.  4. Good flexibility and operational reliability. 5. Full-sealed design and no dust pollution. 6. small vibration and low noise. 7. Removable shell which is convenient for daily maintenance and inspection of the machine.   Application of double roll crusher:   The roller crusher is widely used for secondary and fine crushing in mining, metallurgy, building materials, chemical industry and so on. The roller crusher can crush materials that in middle hardness such as rocks, ore, coke, lump coal, slag, scoria, fireproof materials, and building materials and so on.   Technical parameter of double roll crusher:       We send engineers for installation,commissioning and debugging.   How do you choose the product you need?   1).  What's the material you are going to deal with?   2).  What's the granularity of the material?   3).  What's the granularity of the final products are you going to achive?   4).  What's the producing capacity you are going to achieve?   How to maintenance the roller crusher:   1.When the crusher has been running for some months or some years, the raw materials may become harder to crush or a higher output may be needed.    2.The size of the drive pulleys may be altered to achieve a higher throughput or a higher torque.
3.Minor adjustments of the output size can be made by altering the synchronization of the two rotors.       Zhengzhou Jinma mining machinery co.ltd   Company development: Established in 1976 .    Company Tenet: Clients' interests first, quality first, after-sales service first     Company spirit: Founding Integrity, Innovation Forever   Company philosophy: Jinma makes employees as fundamental, as quality to development, improve benefit by management, with innovation to develop market, in good faith to famous brand and use good service to make development.   Company strategy: Advanced, scientific, novelty and practicability.     Company Goal: We manufacture lean products,  To provide higher quality products to customers more high-quality service.     Our advantages   1) our main products jaw crusher, hammer crusher, PCZ heavy hammer crusher, DPC fine crusher, the PXJ third create sand machine, PCH ring hammer crusher, the PC hammer crusher and so on more than 30 varieties of broken machinery.   2) 38 years year of production experience   3) Processional Research and Development team   4) Strict quality control   5) We provide competitive prices, reliable quality products and swift delivery   6) The products are exported to Chile, Peru, Vietnam, Indonesia, Malaysia, India, the Philippines, Thailand, Laos, Russia, Turkey, Iran, north Korea, kazakhstan, azerbaijan, Latvia and so on ,more than 30 countries and regions.