Introduction of waste oil purification and regeneration equipment

Technical Guide for Waste Oil Filtration, Purification and Regeneration Equipment

Equipment Classification and Selection

Classification by Treatment Process

1. Physical Method Equipment

- Vacuum Oil Filter Series

- Centrifugal Separation Unit

- Precision Filtration System

- Coagulation Separation Device

2. Physical and Chemical Method Equipment

- White Clay Regeneration Device

- Silica Gel Treatment System

- Molecular Sieve Adsorption Tower

3. Chemical Method Equipment

- Acid-Base Treatment Production Line

- Solvent Extraction Equipment

- Catalytic Hydrogenation Unit

Classification by Treatment Capacity

| Type | Treatment Volume (L/h) | Applicable Scenarios |

|------|------------|----------|

| Laboratory Grade | 10-50 | Scientific Research, Quality Inspection |

| Small | 50-200 | Substation Site |

| Medium | 200-1000 | Regional Oil Service Center |

| Large | 1000-10000 | Professional Regeneration Plant |

Technical parameters of core equipment

High-end vacuum oil filter

- Vacuum degree: ≤-0.099MPa

- Working temperature: 20-70℃ adjustable

- Filtration accuracy: ≤1μm (β≥200)

- Dehydration index: ≤5ppm (after treatment)

- Intelligent control: PLC+touch screen

Mobile regeneration device

- Integrated function: filtration-adsorption-dehydration

- Treatment index: acid value ≤0.05mgKOH/g

- Power supply requirement: 380V/50Hz

- Dimensions: 1800×800×1600mm

- Weight: about 600kg

Key points of equipment operation and maintenance

1. Daily maintenance

- Filter element pressure difference monitoring (＞0.3MPa replacement)

- Regular replacement of vacuum pump oil (500h)

- Heater scaling cleaning (quarterly)

2. Safety regulations

- Explosion-proof grade: ExdⅡBT4

- Ground resistance: ≤4Ω

- Waste gas treatment: activated carbon adsorption + catalytic combustion

3. Performance verification

- Calibrate the moisture sensor weekly

- Compare oil samples monthly

- Annual system performance evaluation

Economic analysis

1. Investment cost

- Small equipment: 80,000-150,000 yuan

- Medium-sized system: 300,000-800,000 yuan

- Fully automatic production line: 2 million yuan

2. Operating cost

- Power consumption: 0.8- 1.2 kWh/m³

- Adsorbent consumption: 3-8kg/m³

- Labor cost: 0.2-0.5 person·h/m³

3. Benefit evaluation

- Recycled oil value: 60-80% of new oil

- Investment payback period: 1.5-3 years

- Environmental benefits: Reduce 90% of hazardous waste generation

Selection recommendations

1. Recommended for the power industry

- 110kV and below: mobile regeneration vehicle

- 220kV substation: medium-sized vacuum oil filter + adsorption system

- 500kV converter station: fully automatic processing center

2. Industrial user selection

- Mechanical processing: centrifugal oil purifier

- Petrochemical enterprises: solvent refining device

- Rail transit: online purification system

3. Purchasing considerations

- Confirm media compatibility (esters/mineral oil)

- Request factory performance test report

- Investigate the distribution of after-sales service outlets