Shangqiu Aotewei Environmental Protection Equipment Co., Ltd. is one of the leading manufacturers and suppliers of crude oil processing plant in China. We are committed to providing high quality customized products with competitive price. If you're going to buy ISO certified crude oil processing plant, welcome to get quotation from our factory.
Product Name
Modular Complete-set Crude Oil Processing Plant for Medium-and-Small Scale. Adopting combined pretreatment and atmospheric-vacuum fractionation processes for crude oil of different specific gravities, it completes crude oil desalting & dehydration as well as separation of light and heavy fractions. It produces naphtha, diesel fuel, fuel oil and other products, and is suitable for primary crude-oil processing projects of medium-and-small oilfields and refineries.

| Key attributes - Vertical Distillation Equipment | ||
| 1 | Attribute | Value |
| 2 | Oil Type | Diesel |
| 3 | Phase | Three Phase |
| 4 | Voltage | Customized |
| 5 | Condition | New |
| 6 | Warranty | 1 Year |
| 7 | Raw Material) | Crude Oil, Used Ship Oil |
| 8 | Place of Origin | Henan, China |
| 9 | Brand Name | AOTEWEI |
| 10 | Name | Distillation Equipment |
| 11 | Advantages | Energy Saving, High Efficiency and Environmental Protection |
| 12 | Color | Customized |
| 13 | Function | Refined waste oil, tire‑derived oil, plastic‑derived oil, kitchen waste oil, etc. |
| 14 | Product Name | Refine equipment |
| 15 | After-sales Service Provided | Online Support |
| 16 | Type | Vacuum Filtration |
Features
Front-end crude oil desalting & dehydration pretreatment unit:
The crude oil processing plant is equipped with two-stage electric desalting and dehydration modules to remove salt, free water and sediment impurities inside crude oil. It reduces risk of salt scaling in downstream distillation towers, protects furnaces and tower vessels and extends continuous operation cycle.
Closed oil-gas recovery and pre-desulfurization unit:
The crude oil processing plant is equipped with closed overhead oil-gas recovery pipelines together with simple pre-desulfurization assemblies. It mitigates equipment corrosion caused by light sulfides in crude oil and reduces fugitive waste-gas emission.
Heat-cascade-utilization heat-exchange network:
Crude oil feedstock undergoes multi-stage heat exchange with high-temperature side-stream distillates to raise feed temperature step-by-step, cut fuel consumption of tubular heater and realize cascaded heat recovery.
PLC intelligent interlock control system:
Multiple safety interlocks for temperature, pressure and liquid level are configured. Automatic alarm and interlock protection will be triggered upon over-temperature, over-pressure or abnormal liquid-level conditions. Multiple crude-oil process formulas are stored for one-click parameter calling when switching crude types.
Flexible adjustable fractionation & cutting system:
The atmospheric tower of crude oil processing plant is fitted with replaceable trays and packing internals. Fraction cutting points can be adjusted according to crude oil API gravity to flexibly change output ratio of naphtha and diesel oil, adapting to processing of crude oil with different qualities.
Advantage
Wide raw-material adaptability:
The crude oil processing plant can process various crude oils including heavy crude and medium crude. Front-end desalting-dehydration treatment lowers damage to the whole plant caused by crude-oil impurities.
Adjustable product proportion:
The crude oil processing plant can flexibly adjust output ratios of naphtha, diesel and heavy fuel oil according to market demands and improve the project's ability to resist market risks.


Low energy consumption:
The multi-stage distillate waste-heat exchange network fully recovers high-temperature waste heat of products, greatly cuts fuel consumption of heating furnaces and reduces processing cost per ton of crude oil.
Complete safety interlock protection:
Multiple interlock protections are deployed for the whole system to avoid production risks brought by over-temperature and over-pressure and lower operation difficulty for site operators.
Application Scenarios
- On-site crude-oil processing projects for medium-and-small oilfields: Extracted crude oil is desalted, dehydrated and fractionated locally to cut transportation cost of crude-oil outbound delivery.
- Technical-renovation projects for local medium-and-small refineries: Upgrade old distillation units by adding modular complete crude-oil-processing units to enhance crude-oil pretreatment and fractionation capacity.
- Refinery supporting projects for overseas oilfields: The whole plant is delivered in modular packages for on-site assembly and fast commissioning to realize resource-oriented crude-oil processing for overseas medium-and-small oilfields.
- Pretreatment & processing projects for heavy-viscous crude oil: High-salt high-impurity heavy crude oil goes through electric desalting-dehydration first and then fractionation cutting to produce various distillate oil products.
- Crude-oil repackaging & processing projects for petroleum traders: Crude oil from different batches is purchased, processed by the plant and fractionated into various distillate oils for resale.
Packing & Shipping
- Pressure vessels such as distillation towers, electric desalters, heat-exchange equipment and buffer tanks are anti-corrosion and anti-rust treated. Dust-proof protective covers are installed for all flange nozzles. Tall tower equipment is disassembled in sections with reinforced base supports for fixed bare-pack transportation.
- Precision electrical equipment including PLC control cabinet, field sensors, high-voltage power supply for electric desalter and pump sets are independently packed in shock-proof moisture-proof solid-wood cases marked with "This Side Up", "Moisture Proof" and "Fragile" for ocean shipment.
- Tower internals, sealing gaskets, valves & pipe fittings, special maintenance tools and spare wearing parts are packed by category. Material lists are attached to each case for checking and acceptance at destination port.
- Equipment components are split to fit 40HQ container dimensions. Extra-long & extra-wide pressure-vessel components are shipped by bulk ro-ro vessel. Complete packing lists are provided and customers' on-site loading supervision is supported.
- Complete sets of technical documents are delivered together with goods: PID process flow diagrams, equipment assembly drawings, pressure-vessel inspection reports, operation & maintenance manuals, wearing-part lists and full-set customs-declaration documents.
FAQ
Q1: Can this crude oil processing plant handle heavy crude oil with high salt content?
A: Equipped with twostage electric desaltingdehydration unit, it can process crude oil with relatively high salt and water content. If crude oil contains excessive sediment impurities, an additional prefiltration & sedimentation procedure shall be added.
Q2: What is the processingcapacity range of the equipment?
A: Daily throughput of standard models ranges from 20100 tons. Nonstandard customization is available according to customers' actual crudeoil processing scale.
Q3: What consequences will be caused by unqualified crudeoil pretreatment?
A: Incompletely removed salt and water in crude oil will result in salt scaling and fouling inside distillation towers and heating furnaces, shorten equipment operation cycle and even cause corrosive damage to equipment. Normal operation of pretreatment unit must be guaranteed.
Q4: Does the whole plant support laterstage capacity expansion?
A: Modular expansion is supported. Pretreatment or fractionation modules can be added without replacing the main unit to realize capacity upgrading.
After-sales Service
- Complete operation manuals, maintenance manuals and operation tutorial videos are provided upon factory delivery. Online remote technical support is offered to assist customers with commissioning and fault troubleshooting.
- After equipment arrives at customer's plant, our engineers can be dispatched for on-site installation guidance, commissioning and hands-on training for operators, enabling them to master full workflows including startup, parameter switching, shutdown and daily maintenance.
- Whole-machine warranty is provided. Free technical support is offered for non-human-damaged components within warranty period; only material cost is charged for wearing parts.
- Exclusive technical files for customer equipment are established. Regular follow-up visits are conducted for equipment operating conditions, together with process-optimization suggestions according to crude-oil quality changes. Design schemes for later-stage expansion & revamping are available.
- Global spare-part supply is supported with spare-part delivery by cross-border courier or sea freight. 7×24-hour online technical response is available for emergency production failures.
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