Conical Section: Pressure Drop 500-2000 Pa

Component Specifications

Definition

The conical section is a critical component of a cyclone separator, typically positioned below the cylindrical body. This tapered geometry accelerates the downward spiral of the gas stream, increasing centrifugal force to enhance the separation of solid particles or liquid droplets from the carrier gas. It facilitates the collection of separated material at the apex (dust hopper).

Working Principle

It operates on the principle of converting the tangential velocity of the incoming gas-particle mixture into a downward, accelerating spiral. The reducing cross-sectional area increases the angular velocity, thereby amplifying centrifugal forces that throw particles toward the wall. The particles then slide down the inclined wall into the collection chamber, while the cleaned gas reverses direction and exits upward through the central vortex finder.

Materials

Commonly constructed from carbon steel (e.g., ASTM A36), stainless steel (e.g., 304, 316 for corrosion resistance), abrasion-resistant steel, or lined with ceramic/polyurethane for high-wear applications. Material selection depends on process temperature, corrosiveness, and abrasiveness of particles.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Cone Angle	Typically 10-20 degrees
Pressure Drop	500-2000 Pa
Inlet Velocity	15-30 m/s
Efficiency Range	70-99% for particles >5-10 μm
Standard Diameter Ratios	Cone length to cylinder diameter ~1.5-2.5

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

Standards

ISO 14284, DIN 24100

Parent Products

This component is used in the following industrial products

Cyclone Separator

A centrifugal separation device that removes particulate matter from gas streams using vortex flow.

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Engineering Analysis

Risks & Mitigation

Erosion/wear from abrasive particles
Plugging due to sticky materials
Reduced efficiency from incorrect cone angle or inlet velocity
Corrosion in chemical processes

FMEA Triads

Trigger: High-velocity abrasive particle impact
Failure: Wall thinning and perforation
Mitigation: Use abrasion-resistant materials or linings; implement regular thickness inspections.

Trigger: Accumulation of hygroscopic or adhesive materials
Failure: Blockage leading to increased pressure drop and reduced throughput
Mitigation: Install rapping mechanisms or air blasters; apply non-stick coatings; maintain above dew point.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Dimensional tolerances per ISO 2768-m; wall thickness tolerance ±10% of nominal.

Test Method

Performance testing per ASME PTC 28; air leakage test per ISO 10648-2; non-destructive testing (UT/RT) for weld integrity.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

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Inspection readiness

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Supplier transparency

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Manufacturers of Conical Section

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Frequently Asked Questions

What is the primary function of the conical section in a cyclone?

Its primary function is to accelerate the gas stream to increase centrifugal force for more efficient particle separation and to guide separated solids into the collection hopper.

How does cone angle affect cyclone performance?

A steeper cone angle (smaller angle) generally increases collection efficiency for fine particles but may raise pressure drop. The optimal angle balances efficiency, pressure loss, and space constraints.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Conical Section