graphite ultrafine grinding mill,graphite vertical roller mi

HGM series graphite vertical roller mill is the new type mining equipment for making micro powders, fine powders，which is widely applied in the industries of metallurgy, mining, chemistry, cement, construction, refractory materials, ceramics, and so on.

Grinding materials of Clirik graphite vertical roller mill:
The purpose of the Ultrafine Mill is for super-fine grinding materials with hardness less than 6 in Moh‘s scale and humidity less than 6 percent such as kaolin, limestone, calcite, marble, talcum, barite, gypsum, dolomite, bentonite mud, mica, pyrophyllite, sepiolite, carbon black, diatomite, graphite, alunite, fluorite, potassium feldspar, phosphorite, pigment, up to 200 kinds. The granularity (or final size) of the finished products can be freely adjusted between 325-3000meshes (0.045-0.0057mm), and the capacity (ton/hour) ranges from 0.4T/H to 7.5T/H depending on the final size and the grinding materials.

Main Components of HGM series graphite vertical roller mill:
HGM series ultrafine mill mainly consists of main unit, classifier, dust cleaner, powder collector, blower, muffler, hammer crusher (can be replaced by jaw crusher), bucket elevator, sound-proof room, storage hopper, vibrating feeder and so on.

Working Principle of Clirik graphite vertical roller mill:

When the grinding mill is at work, all the grinding rollers are rolling in the ring, and the materials are driven to the edge of the turnplate by the centrifugal force and fall down into the grinding chambers where the materials are repeatedly pressed, crushed and grinded by the rollers.

The high-pressure air blower constantly inhales air within the grinding mill and, in turn,  the airflow with crushed materials are brought to the classifier whose high-speed impeller will screen the airflow: the unqualified particle size will fall and return to the mill for being reground while the qualified particle size mixed with air will go into the cyclone powder collector. Most of the qualified powders will fall and exit from the discharging valve at the bottom; a small proportion of the fine powders, with airflow, moves to the dust cleaner, and clings to the surface of the filter bags. At the same time, the fine powders clinging to the surface fall down by the sudden vibration of the filter bags, which is caused by the instantly ejected high-pressure gas controlled by the pulse valve. The materials from the above two lots are sent by the conveyor at the bottom to get finished powders packed. In addition, filtered clean air will be emitted from the air outlet of muffler in the end.

Features of Clirik graphite vertical roller mill:
1. The ultrafine mill is high efficient (twice as much as jet mill, mixing grinder and ball mill)
2. The spare parts of ultrafine mills can serve much longer time (2-3 times longer than that of impact mill or turbo mill.
3. High safety and reliability of the ultrafine mill (no rolling bearings and screws in the grinding cavity, so no problems caused by the wear of bearings or screws)
4. The ultrafine mills are characterized by high fineness (final size: 325-3000 mesh, D97<5 micron)
5. Environment-friendly

Main Specifications of graphite vertical roller mill:
There are four models of our graphite powder vertical roller mill: HGM8021, HGM9024, HGM10027, and HGM10036.

The detailed specification and technical data of our  graphite vertical roller mill are as below: