Separation Bowl for Oil Degumming Centrifuge

Product Specifications

Technical details and manufacturing context for Separation Bowl

Definition

The separation bowl is the core rotating assembly within an industrial oil degumming centrifuge. It is a high-speed, precision-engineered bowl where the crude oil mixture is subjected to intense centrifugal force. This force causes the denser phospholipid gums, solid impurities, and water to separate from the lighter purified oil, enabling continuous degumming and clarification of vegetable oils such as soybean, canola, and sunflower oil. The bowl is typically manufactured from stainless steel grades such as 316L or duplex stainless steel to resist corrosion and maintain hygiene. Key parameters include a bowl diameter of 300–800 mm, a maximum bowl speed of 3000–6000 rpm, and a centrifugal force of 3000–8000 g. Operating temperature ranges from 60–120 °C, and operating pressure is 0.1–0.5 MPa. Surface roughness is ≤0.8 μm Ra (ISO 4287), and balance quality grade is G2.5 (ISO 1940-1). Maximum throughput is 10–50 t/h, and weight ranges from 500–2000 kg. These values are reference ranges and must be verified for the specific model and application. The bowl's design ensures efficient separation, but actual performance depends on oil type, feed composition, and operating conditions. When selecting a separation bowl, verify material grade, dimensional compatibility, and compliance with relevant standards. Regular maintenance includes checking for wear, balancing, and cleaning to prevent fouling. Failure signs include vibration, reduced separation efficiency, or unusual noise. Always consult the legal manufacturer or supplier for model-specific specifications and standards.

Working Principle

The bowl rotates at high speed (typically 5,000-10,000 RPM), generating centrifugal force thousands of times greater than gravity. The crude oil feed enters the center. The force stratifies the mixture based on density: purified oil (lightest) moves inward, phospholipid gums and water (intermediate density) form a middle layer, and heavy solids (densest) are forced to the outermost wall. Separate discharge ports or a self-cleaning mechanism then remove each separated phase continuously or intermittently.

Common Materials

Stainless Steel (e.g., 316L), Duplex Stainless Steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Bowl Diameter	300–800 mm	Determines processing capacity
Max Bowl Speed	3000–6000 rpm	Higher speed increases centrifugal force
Centrifugal Force	3000–8000 g	Affects separation efficiency
Operating Temperature	60–120 °C	Typical for oil degumming
Operating Pressure	0.1–0.5 MPa	Below 0.1 MPa insufficient feed
Material Grade	304/316L	316L for corrosion resistanceASTM A240
Surface Roughness	≤0.8 μm Ra	Smooth finish prevents foulingISO 4287
Balance Quality Grade	G2.5	Ensures smooth operationISO 1940-1
Max Throughput	10–50 t/h	Depends on oil type
Weight	500–2000 kg	Affects installation requirements

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Bowl Body / Shell Part
Forms the main pressure-containing separation chamber.

Material: Stainless Steel
Disc Stack
Set of conical plates inside the bowl that increase effective settling area and separation efficiency.

Material: Stainless Steel
Distributor Part
Directs incoming feed evenly into the disc stack.

Material: Stainless Steel
Top / Lid Part
Seals the bowl and often contains ports for clarified oil and separated phases.

Material: Stainless Steel

Manufacturers of Separation Bowl

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Frequently Asked Questions

What is the function of a separation bowl in an oil degumming centrifuge?

The separation bowl is the rotating component that generates centrifugal force to separate phospholipids, solid impurities, and water from crude vegetable oils. It enables continuous degumming and clarification of oils like soybean, canola, and sunflower oil.

What materials are commonly used for separation bowls?

Common materials include stainless steel grades such as 316L and duplex stainless steel. These materials provide corrosion resistance and durability. The specific grade should be verified with the manufacturer for the intended application.

What are typical operating parameters for a separation bowl?

Typical reference ranges include a bowl diameter of 300–800 mm, maximum speed of 3000–6000 rpm, centrifugal force of 3000–8000 g, operating temperature of 60–120 °C, and pressure of 0.1–0.5 MPa. These values are for reference and must be confirmed for the specific model.

How should a separation bowl be maintained?

Regular maintenance includes inspecting for wear, ensuring proper balancing, and cleaning to prevent fouling. Monitoring for vibration, noise, or reduced separation efficiency can indicate issues. Always follow the manufacturer's maintenance guidelines.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Atmospheric to 3 bar (43.5 psi) max
flow rate:	5-100 m³/h (22-440 gpm) depending on bowl size
temperature:	50-90°C (122-194°F)
slurry concentration:	Up to 30% solids by weight

Separation Bowl

Product Specifications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards