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Application Areas: Suitable for medium and low hardness, non-flammable and explosive brittle materials with Mohs hardness below 6
HGM micro powder grinding mill is a fine powder and ultra-fine powder processing equipment, mainly used to process various ores, chemical raw materials, etc., into fine powder or ultra-fine powder. HGM three-ring medium-speed micro powder grinding mill is mainly suitable for medium and low hardness, non-flammable and explosive brittle materials with Mohs hardness below 6, such as calcite, calcium carbonate, dolomite, kaolin, bentonite, mica, diatomite, barite, graphite, etc. HGM micro powder grinding mill is an ultra-fine powder grinding equipment. It has deeply absorbed the essence of cutting-edge technology in the grinding industry, closely fits the current development trend of the grinding industry and the market demand for ultrafine powder processing, and is specially developed for users with ultrafine powder processing needs.
Crushing part: usually includes a hammer crusher, which is used to crush large pieces of material into small particles to provide raw materials of suitable particle size for subsequent grinding processes. For example, it can crush ores with larger diameters into small particles with a diameter of less than 10mm.
Conveying part: There is a bucket elevator, which is responsible for sending the crushed material into the storage bin; there is also a vibrating feeder, which can evenly send the material in the storage bin to the feed port of the micro powder grinding mill main machine, ensuring that the material enters the grinding area stably and evenly, and improving the grinding efficiency.
Grinding core part: The micro powder grinding mill host is the core equipment, which contains key components such as grinding rollers and grinding rings to complete the material grinding process.
Powder selection and collection part: The frequency conversion classifier is used to screen out products that meet the fineness requirements so that the coarse powder can be returned for re-grinding; the double cyclone powder collector collects the fine powder that meets the requirements; the pulse dust removal system is used to purify the airflow and collect dust.
Power and auxiliary parts: The high-pressure fan provides power for material transportation and powder selection, the air compressor provides an air source for some pneumatic parts of the equipment, and the electrical control system is used to control the operation of the entire equipment, including the start and stop of the motor, speed adjustment, and feed amount control.
1. High Efficiency and Energy Saving
Under the condition of the same finished product fineness and motor power, the output is more than double that of airflow mill, stirring mill and ball mill.
2. Long Life of Wearing Parts
Grinding rollers and grinding rings are forged with special materials. Under the condition of the same material and finished product fineness, the service life of the wear parts of impact crushers and turbine crushers is 2-5 times longer, generally more than one year, and the service life can reach 2-5 years when processing calcium carbonate and calcite.
3. High Safety and Reliability
There are no rolling bearings or screws in the grinding chamber, and there is no problem of easy damage to bearings and their seals, nor is there a problem of loose screws that damage the machine.
4. High Product Fineness
The product fineness can reach D97≤5μm at one time.
5 . Environmental Protection and Cleaning
A pulse dust collector is used to capture dust, and muffler is used to reduce noise, which meets environmental protection requirements.
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HGM micro-powder grinding mill's main motor drives the main shaft and turntable to rotate through the reducer, and the roller pins on the edge of the turntable drive dozens of grinding rollers to roll in the grinding ring raceway. After the large pieces of material are crushed into small particles by the hammer crusher, they are sent to the storage bin by elevator and then sent to the bulk material plate on the upper part of the turntable evenly through the vibrating feeder and the inclined feed pipe. Under the action of centrifugal force, the material is scattered to the circumference. It falls into the raceway of the grinding ring, where it is impacted, rolled, and ground by the ring roller and becomes powder after being processed by three layers of rings. The high-pressure fan draws external air into the machine through suction and brings the crushed material into the powder selector. The rotating impeller in the powder selector makes the coarse material fall back for re-grinding, and the fine powder that meets the requirements enters the cyclone powder collector with the airflow and is discharged from the discharge valve at the bottom as the finished product, while the airflow with a small amount of fine dust is purified by the pulse dust collector and discharged through the fan and muffler.
HGM Micro Powder Grinding Mill Technical Parameters | ||||
Model | HGM-60 | HGM-80 | HGM-100 | |
Working Diameter（mm） | 600 | 800 | 1000 | |
Q'ty of Ring Roller & Roller Ring | Ring Roller | 15 | 21 | 27 |
Roller Ring | 2 | 2 | 2 | |
Max Input Size(mm) | ≤10 | ≤10 | ≤10 | |
Output Size | μm | 50-45 | 5-45 | 5-45 |
Mesh | 3250-325 | 3250-325 | 3250-325 | |
Capacity(kg/h) | 350-2500 | 600-4000 | 900-6000 | |
Motor | Motor of Main Mill | 37 | 55 | 90 |
Frequency Motor of Separator | 11 | 18.5 | 30 | |
Motor of Blower | 30 | 45 | 75 | |
Feeder | 0.06 | 0.06 | 0.15 | |
Discharging Valve | 0.75 | 0.75 | 1.1 | |
Overall Dimension | 10×2×5.5 | 11.9×2.7×5.8 | 14.5×3.8×6.3 | |
Main Powder Selector Weight(kg) | 5200 | 7000 | 9500 | |
