———— Industrial Oil Purification Plant
Oil Filtration Machine for Cleaner Oil & Stable Waste Oil Pretreatment
Remove water, mechanical impurities, sludge and fine particles from used oil, lubricating oil, hydraulic oil and industrial oil before reuse or further refining.
Water
Dehydration
Particles
Fine Filtration
Custom
Skid / Mobile

———— Applicable Feedstock
Industrial Oil Purification Plant
Oil Type Analysis
Configuration based on oil type, water content, impurity level and viscosity.
Customized Process
Heating, vacuum dehydration, coarse filtration and fine filtration can be combined.
Site-Fit Design
Equipment height, footprint, mobile base and voltage can be customized.
Upgrade Ready
Can be used as pretreatment before waste oil to diesel or base oil systems.
Send us your oil type, water content, impurity condition and target application. VBOLT will help you select a suitable oil filtration and purification solution.
———— Common Oil Problems
When Oil Contains Water, Sludge and Particles, Equipment Risk Increases
Industrial oil often becomes contaminated during long-term operation. Water, metal particles, mechanical impurities and sludge can reduce lubrication performance, block oil systems and increase maintenance costs.

———— VBOLT Solution
Customized Oil Filtration & Purification System
VBOLT provides industrial oil filtration machines and vacuum oil purifiers according to different oil conditions. The system can be configured with heating, vacuum dehydration, impurity filtration, fine filtration and automatic control.
Heating System
Reduces oil viscosity and improves the efficiency of dehydration and filtration, especially for high-viscosity used oil.
Vacuum Dehydration
Removes free water and part of dissolved water through vacuum separation, helping improve oil stability.
Multi-Stage Filtration
Coarse filtration and fine filtration can remove mechanical impurities, sludge and fine particles.
Control System
Electrical cabinet, temperature control, pump control and safety protection can be configured according to project needs.
Mobile or Skid Design
The equipment can be designed as a fixed skid-mounted unit or a mobile system with wheels.
EPC Support
For larger projects, VBOLT can support process design, equipment manufacturing, installation guidance and commissioning.
———— Working Principle
How the Oil Filtration Machine Works
The typical process includes oil heating, vacuum dehydration, coarse filtration, fine filtration and clean oil discharge. The exact configuration depends on oil condition and customer target application.
01
Step 01
Oil Feeding
Contaminated oil is pumped into the system for continuous or batch treatment.
02
Step 02
Oil Heating
Heating reduces viscosity and makes water separation and filtration more efficient.
03
Step 03
Vacuum Dehydration
Water is evaporated and separated under vacuum conditions.
04
Step 04
Filtration
Coarse and fine filters remove sludge, particles and mechanical impurities.
05
Step 05
Clean Oil Output
Cleaner oil is discharged for reuse, storage or further refining.
———— Applicable Oil Types
Suitable for Multiple Industrial Oil Applications
Different oils require different filtration configurations. VBOLT can recommend the right system based on your oil properties and final purpose.
Used Engine Oil
Hydraulic Oil
Lubricating Oil
Transformer Oil
Gear Oil
Turbine Oil
Compressor Oil
Diesel / Fuel Oil
Waste Oil Pretreatment
Vegetable Oil Filtration
———— Technical Data
Engineering Information at a Glance
———— Filtration Result
What Can Be Improved After Filtration?
The final result depends on the oil type, contamination level, water content and selected filtration configuration. The table below shows typical improvement directions.
| Item | Before Treatment | After Treatment | Purpose |
|---|---|---|---|
| Water Content | High / Emulsified | Significantly reduced | Improve oil stability |
| Mechanical Impurities | Visible particles and dirt | Reduced by filtration | Protect equipment |
| Sludge | Oil sludge and suspended matter | Lower sludge content | Reduce blockage risk |
| Transparency | Dark / turbid oil | Improved appearance | Better oil cleanliness |
| Downstream Feedstock | Unstable for regeneration | More stable pretreatment feed | Support distillation or refining |
———— Product Models
Oil Filtration Machine Model Reference
The following models are for reference. Capacity, filtration accuracy, heating method, voltage, equipment height and structure can be customized according to customer site conditions.
| Model | Capacity | Heating Method | Filtration Configuration | Structure |
|---|---|---|---|---|
| VBOLT-OF-500 | 500 L/h | Electric / Fuel / Steam | Coarse + Fine Filtration | Skid / Mobile |
| VBOLT-OF-1000 | 1000 L/h | Electric / Fuel / Steam | Vacuum + Multi-Stage Filtration | Skid / Mobile |
| VBOLT-OF-2000 | 2000 L/h | Electric / Fuel / Steam | Customized Filtration Accuracy | Skid / Mobile |
| VBOLT-OF-Custom | Customized | Customized | Customized | Customized |
———— Machine Structure
Main Components of the Oil Filtration System
A complete oil filtration machine can include oil pump, heater, vacuum separation tank, condenser, vacuum pump, filters, discharge pump, electrical cabinet and mobile/skid-mounted frame.
01.Oil Feed Pump
Transfers dirty oil into the system.
02.Heater
Improves dehydration and filtration efficiency.
03.Vacuum Tank
Separates water under vacuum condition.
04.Condenser
Condenses water vapor and light vapor.
05.Vacuum Pump
Maintains vacuum level for dehydration.
06. Coarse Filter
Removes larger particles and sludge.
07.Fine Filter
Removes smaller suspended particles.
08.Control Cabinet
Controls temperature, pumps and safety systems.
———— Important Technical Clarification
Filtration Is Pretreatment, Not Chemical Conversion
Oil filtration can remove water, particles, mechanical impurities and part of sludge. However, filtration cannot change the molecular structure of waste oil.
For waste oil to diesel projects
If the customer wants to convert waste engine oil into diesel, oil filtration is only the pretreatment stage. Catalytic cracking and distillation separation are still required to obtain diesel-range fractions.

———— Customized Engineering
Designed According to Your Oil Condition and Workshop Space
VBOLT can customize the equipment height, footprint, heating method, voltage, filtration accuracy and mobile structure according to the customer’s factory layout and project requirements.
Available Customization Options
Equipment height
Footprint and layout
Mobile wheel base
Skid-mounted frame
Electric heating
Diesel / gas heating
Steam heating
Voltage customization
Explosion-proof design
Filtration accuracy
Automatic control
Connection with refining system
———— Application Industries
Where the Oil Filtration Machine Can Be Used
The equipment can be used for industrial oil maintenance, waste oil pretreatment and oil recycling projects.
Machining Plants
Hydraulic Equipment Plants
Power Plants
Mining Maintenance Sites
Construction Machinery Service
Ship Repair Yards
Waste Oil Collection Stations
Lubricant Recycling Companies
Transformer Maintenance
Waste Oil Refining Projects
———— Why Choose VBOLT
More Than a Machine Supplier
VBOLT focuses on waste oil treatment, oil purification and regeneration systems. We can provide single machines, complete process systems and EPC support for larger industrial projects.
Oil Treatment Experience
Focused on waste oil purification, pretreatment and regeneration equipment.
Flexible Configuration
Different systems for water removal, impurity filtration and downstream refining.
Project-Based Design
Capacity, layout and heating method can be selected according to project conditions.
Complete System Support
Can connect filtration with catalytic cracking, distillation and base oil regeneration systems.
———— Technical FAQ
Frequently Asked Questions
Essential answers regarding industrial equipment supply boundaries and raw feedstock compatibility.
———— Get the Right Configuration
Send Your Oil Information for a Customized Solution
These details help us select a more economical and suitable configuration for your project instead of recommending an unsuitable standard machine.

