Roller skin of ball press
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  • Roller skin of ball press

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: lower 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, with a service life extended by more than 30%.

2. Classification by assembly method:

- Integrated type: roller skin and roller core 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 binders), 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 binders), 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: during coal-to-oil and coal-to-gas processes, compresses coal powder into briquettes for easier transportation and processing.

2. Mining Field

- 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 such as 65Mn, 9Cr2Mo, or high chromium alloy according to material characteristics.

2. Processing flow:

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

- Turning: precision machining within dimensional tolerance.

- Engraving ball grooves: design groove shape and size based on 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 skin of ball press
+
  • Roller skin of ball press

Roller skin of ball press

The roller skin of the ball press machine is a key component of the roller press machine, used for pressing and forming materials. The product is usually made of materials such as 65 manganese, 9Cr2Mo, and high-chromium alloy, featuring high hardness, high strength, and good wear resistance. It has a wide range of applications, covering industries such as coal, mining, and building materials, meeting the processing needs of different materials. The excellent performance of the ball press machine roller skin effectively improves production efficiency and product quality, making it an indispensable important part of various roller press equipment.

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