Coal, briquette, coking coal, briquette, etc. in the chemical industry
The structure of the traditional external gear transmission is changed to adopt a double output shaft reducer structure, which effectively improves the accuracy of the roll, and the reducer gears are all hardened gears, which greatly improves the performance and life of the reducer.
Fully adopts high pressure ball The ball groove alignment structure of the machine is more convenient for installation, adjustment and maintenance.
High Pressure Grinding Rolls Introduction
The HPGR (high pressure grinding rolls/rollers) is the core equipment of the grinding process.
High Pressure Grinding Rolls (HPGR) are a type of crushing equipment used in the mining and mineral processing industries. HPGRs use a high-pressure hydraulic system to compress and grind particles between two counter-rotating rolls, which reduces the size of the particles.
The machine reduces particles by compressing and crushing the feed between two counter rotating, parallel rollers with a small gap between them. This forces the rocks against each other and compresses the feed’s density to 80% of its solid volume, exceeding its compressive strength with equal pressure being applied to particles of all sizes.
One of the main advantages of HPGRs compared to traditional crushing methods is that they have a higher energy efficiency and can generate a finer end product. This makes HPGRs an attractive choice for many mineral processing applications, especially for hard and abrasive materials like diamonds, iron ore, and gold.
It first used in the cement industry, while nowadays, also have been used in many other industries like nonferrous metal processing, ferrous metal processing, precious metal processing, etc.
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