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roller crusher
Double Rollers Crusher
Usage and Application:

The double rollers crusher is widely used for secondary and fine crushing in the industry of mining, building materials, chemical industry, metallurgy and so on. It can crush materials in middle hardness such as rocks, ore, coke, lump coal, slag, mineral slag, cement clinker, fireproof materials, and so on.
Features

1.Compact structure, low noise and efficient;

2.Easy to install and only need simple foundation;

3.Can adjust the pressure and size easily.

4.Self-protection, the parts can not be damaged when hard materials such as the metals goes into the crushing cavity;

5.Low cost maintenance and easy to maintain.
Working principle

The motor drives the fixed roller and movable roller to work via reducer, V-belts or coupling. Materials are put into the space between the two rollers via the feed entrance. As the two rollers inward turning, the input materials are crushed, pressed, ground, and at last come out from the base of the machine.

About Us
With more than twenty years' history, Zhengzhou Great Wall Heavy Industry Machinery Co.,Ltd. is a manufacture which specialized in R&D, manufacturing and selling big and middle size heavy industry machinery. Since establishment, we make a good image in the market with scientific management, qualified products and perfect service.
 Our main products are crushers, grinding mills, other equipments for crushing plant and grinding plant, as well as building construction equipments. They are widely used in mining, building material, metallurgy, chemical, traffic, reservoir and so on. Our products are not only sold well in more than twenty provinces and cities in China, but also in tens of countries and regions in Eastern Europe, Middle East, Asia, Africa, North America, South America, and Oceania.
 Now we have domestic top ranking production equipments and precise testing instrument, each process of products is strictly inspected to guarantee the products to achieving high ex-factory standard. Besides, we cooperate with many famous universities and scientific research institutions, so that can make technical warrantee for the products in it's developing, updating and improving.
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The main site:
http://www.greatwallcrusher.net
Product:
Diesel crusher http://www.greatwallcrusher.net/product/Diesel-Engine-Crusher.html
Cone crusher  http://www.greatwallcrusher.net/product/Cone-Crusher.html
Mobile crushing plant http://www.greatwallcrusher.net/product/Mobile-Crushing-Plant.html
Roller Crusher  http://www.greatwallcrusher.net/product/Double-Rollers-Crusher.html
Jaw crusher http://www.greatwallcrusher.net/product/Jaw-Crusher.html
sand machine http://www.greatwallcrusher.net/product/PCL-Vertical-Impact-Crusher.html
http://www.greatwallcrusher.net/product/VSI-Vertical-Shaft-Impact-Crusher.html
impact crusher  http://www.greatwallcrusher.net/product/Impact-Crusher.html
hammer crusher  http://www.greatwallcrusher.net/product/Hammer-Crusher.html
E-mail:greatwallcrushers@gmail.com
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