HCH Ultra Fine Ring Roller Mill

HCH ultra fine ring roller mill is a new type of vertical roller mill successfully developed by Guilin Hongcheng with many years of production. The product fineness can reach D97≤5um at one time. HCH is a real energy-saving high-fine roller grinding mill that is especially suitable for deep processing of non-metallic minerals. After long-term market application practice and user verification, the HCH1395 model of this equipment has been certified by the China Calcium Carbonate Association as an energy-saving and consumption-reducing equipment in the field of high-fine processing of calcium carbonate in China. HCH2395 is also the largest high-fine ring roller mill in China at present.

Max feeding size:10mm

Capacity: 1-22t/h

Fineness: 5-45μm


Large shredding ratio. By feeding particles with a particle size of<10mm,the single throughput processing is <10μm fine powder (according to 97% pass rate standard), and -3μm fine powder represents approx. 40%, with a large specific surface.
The pulse dust collection system (patent number: CN200920140944.3) has a dust collection efficiency of more than 99.9%, guarantees dust-free environment in the workshop, is one of Guilin Hongcheng's patents. Please use compressed air to clean each filter bag separately to prevent long-term dust accumulation and cause the filter bag to be blocked.
Mandatory turbine classification system (patent number: ZL201030143470.6). The particle size is uniform and fine, and the fineness of the finished product can be easily adjusted between 0.04mm (400 mesh) and 0.005mm (2500 mesh). Products of different finenesses adapt to market demand and improve business competitiveness.
Low consumption, good shock absorption, compact structure. The grinding wheel and ring are made of special wear-resistant steel, which improves service life. The main machine base adopts integral casting structure, which not only ensures structural strength, but also has good shock absorption performance.

Structure and Principle

The complete system of HCH ultrafine ring roller mill is mainly composed of main engine, feeder, classifier, blower, piping device, storage hopper, electric control system, collection system, etc.

Process flow of milling system

  1. The material is crushed by the jaw crusher into materials smaller than 10mm.

  2. lifted by the bucket elevator to the storage hopper, and then quantitatively sent to the main cavity by the feeder for grinding.

  3. The grinding roller installed on the turntable in the main machine cavity rotates around the central axis. There is a large movable gap between the grinding roller and the grinding roller pin. The grinding roller swings horizontally under the action of centrifugal force, so that the grinding roller presses the grinding ring. At the same time the grinding roller rotates around the grinding roller pin. The material passes through the gap between the grinding roller and the grinding ring, and is crushed and ground due to the rolling of the grinding roller. The grinding roller is divided into 4 layers (HCH780 is arranged in 3 layers), and the material is ground by the first layer of grinding roller. The middle ring is crushed once, then the second, third, and fourth layers are crushed a second, three, and four times. Therefore, the material is sufficiently pulverized and ground, and the obtained product has fineness.

  4. The ground powder falls to the chassis under the action of gravity, and is blown to the classifier above the main machine for screening under the action of the fan. Air flows into the pulse dust collector. The collected product is discharged through the discharge valve.

  5. The purified air flows into the blower through the remaining air duct above the pulse dust collector. The air path is circular. The airflow in the road is negative pressure, and the indoor sanitary conditions are better. Since the moisture contained in the material is heated and evaporated into gas during the grinding process, the gas leaking from the flange joint and the feed port in the pipe leads to an increase in the air volume in the circulating air path, and these increased air volumes are between the blower and the host transmitted and released into the atmosphere.


Technical parameter

ModelFeed size(mm)Fineness(mm)Capacity(t/h)Weight(t)Power(kw)

Customer Case

Processing Materials

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