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High-Pressure Grinding Rolls
High-Pressure Grinding Rolls
High-Pressure Grinding Rolls
High-Pressure Grinding Rolls
High-Pressure Grinding Rolls
High-Pressure Grinding Rolls
High-Pressure Grinding Rolls
High-Pressure Grinding Rolls
High-Pressure Grinding Rolls
High-Pressure Grinding Rolls
High-Pressure Grinding Rolls

High-pressure grinding rolls (HPGR) are a type of comminution technology that utilizes a pair of counter-rotating rolls with varying inter-roller spacings. The rolls operate at a high pressure and are used in the mining and minerals processing industry for efficient grinding of ores. HPGR technology is employed to achieve a reduction in particle size and to generate a product with high energy efficiency.

Applied Materials
Non-ferrous metal ore such as bauxite, iron ore, iron powder and finely crushed cement raw materials, clinker, blast furnace slag, limestone and other materials in the ore industry.

Product Advantages
High-pressure grinding roll has low energy consumption and low pollution. It is a product series that responds to home energy saving and emission reduction, low carbon and environmental protection.
This product is equipped with a sealed roller cover, which can strictly control the diffusion of harmful dust and create an excellent production environment.
In the process of the grinding system The use of a high-pressure roller mill in the process can improve the production efficiency of the entire system.

High Pressure Grinding Rolls Introduction

Technical Parameters

Working Principle

Advantages

Spare Parts

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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