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Raymond mill is to grind non-flammable and non-explosive materials in the fields of building materials, mining, metallurgies and chemical industry with hardness less than 9.3 in Moh’s scale and humidity less than 6 percent. Examples of the materials are: quartz, feldspar, barite, fluorite, dolomite, garnet, bauxite, zircon, marble, calcite, iron ore, rock phosphate, coal, slag and so on(400 kinds of material). The granularity of the final products can be changed from 30 to 425 meshes
Application: widely used in small and medium mining, chemicals, building materials, metallurgy, refractories, pharmaceuticals, cement and other industries.
Raw Material: such as gypsum, talc, calcite, limePowder, marble, barite, dolomite, granite, kaolin, bauxite, fly ash , oxidation iron oxide red, iron Powder, etc.
Working principle of Raymond mill:
The whole machine is collocated with jaw crusher, elevator, hopper, electromagnetic vibrating feeder, main unit, classifier, collector, cloth deduster and high-pressure blower. The working principle is as follows: load the stuff for grinding evenly and continuously into the grinding chamber of the main frame. Due to the centrifugal force in rotation, the roller swings go outward and presses closely upon the ring. The shovel carries the stuff to the space between the roller and ring. When the roller rolls, the stuff is thus grinded. After being grinded, the stuff is to be routed to the classifier along wind belt of the blower and the rough powder will be put back to the grinder for regrinding.
The fine powder flows into the cyclone collector together with air flow and is expelled from the powder output pipe as product. In the grinding chamber, since the stuff contains moisture to some extent, the heat generated during grinding makes the moisture evaporate; since the pipeline joints are not airtight, the external air is sucked in and the circulation air mass increases. In order to enable the grinder to work in negative pressure, the increased air flow is guided to the deuster and sequentially to the atmosphere after purification.
Raymond mill is effective closed-circuit high fineness powder manufacturing equipment, which is applicated in small and medium mining, silicate and chemical, building-material, metallurgy, refractory material, pharmaceuticals and lime industry. It is a new style powder grinding machine, which is more advanced than ball grinder and much appreciated in many fields due to its domestic leading level in each technical specification.
RAYMOND MILL Technical Data
RAYMOND MILL Features1. Higher output. Its output increases by 10%-20% comparing with Raymond mill under the same power condition.
2. Larger range of final fineness. Size of final product can be 0.613mm (30mesh) –0.033mm (425mesh). Some can reach the fineness of 0.013mm (1000 mesh).
3.Good dust control. High Pressure Suspension Mill meets the requirement of national dust-dump standard.
4.Easy to operate. The whole system is combined by some independent systems, and the cohesion between the systems is good.
5. Excellent sealing. The multi-class seals are adopted to keep the grinding equipment tight closed.