Roller of the rolling mill
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  • Roller of the rolling mill

The roller skin of the briquetting machine is a core component responsible for compressing powdery or granular materials into pellets or blocks. Its material and performance directly affect the equipment's service life and production efficiency, and it is widely used in metallurgy, energy, chemical, and other industries.

Classification of briquetting machine roller skins

1. Classification by material:

- 65 manganese material: low cost, suitable for small coal powder briquetting machines.

- 9Cr2Mo material: good wear resistance, suitable for medium and large-sized coal briquetting machines.

- High chromium alloy material: strong wear resistance, suitable for high-output medium and large briquetting machines.

- Bearing steel material: specially used for briquetting machines processing hard materials like fluorite powder, extending service life by more than 30%.

2. Classification by assembly method:

- Integrated type: roller skin and roller core are manufactured as a whole, with a stable structure.

- Modular type: roller skin is replaceable, facilitating maintenance.

3. Classification by pressure:

- High-pressure roller: suitable for high-density materials such as metal ore powder, dry pressing (without binder), with higher pressure ranging from 9t/m³ to 20t/m³.

- Medium-pressure roller: suitable for general materials such as coal powder and coke powder, wet pressing (with binder), with lower pressure ranging from 3t/m³ to 6t/m³.

Key Features

- Wear protection: protects the roller core from wear, extending equipment life.

- Forming function: ensures consistent pellet shape through die design.

- Pressure adjustment: optimizes pressure distribution to improve forming density.

Scope of Application

1. Coal Industry

- Coal briquette production: used to compress coal powder into briquettes, improving combustion efficiency and reducing environmental pollution.

- Coal chemical industry: in coal-to-oil, coal-to-gas processes, compresses coal powder into briquettes for easier transportation and processing.

2. Mining Sector

- Metal ore powder briquetting: such as iron ore powder, copper ore powder, compressed into pellet ores for easier smelting and transportation.

- Non-metal ore powder briquetting: such as fluorite powder, gypsum powder, compressed to increase added value and utilization efficiency.

3. Building Materials Industry

- Refractory material briquetting: such as high-alumina powder, clay powder, compressed into refractory bricks or balls used for kiln construction.

Process Introduction

1. Material selection: choose wear-resistant materials like 65Mn, 9Cr2Mo, or high chromium alloy based on material characteristics.

2. Processing flow:

- Blank making: casting or forging to ensure material density.

- Turning: precision machining within dimensional tolerance.

- Carving ball grooves: design groove shape and size according to material characteristics.

- Heat treatment: quenching, tempering, and other processes to improve hardness and wear resistance.

3. Quality inspection: check hardness, dimensional accuracy, and surface roughness to ensure compliance with standards.

Keywords

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Roller of the rolling mill
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  • Roller of the rolling mill

Roller of the rolling mill

The roller of the roller press is the core component of the roller press, used for high-pressure crushing and forming of materials. The product is made of high-quality alloy steel or high-chromium cast iron, featuring excellent wear resistance and compressive strength. Its application range covers industries such as building materials, mining, chemical, and energy, suitable for processing various materials like limestone, coal, and ore. High-quality roller press rollers effectively improve production efficiency and equipment service life, making them a key component of various roller press equipment.

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