INDUSTRY COMPONENT

Cone Bottom

Conical discharge section for cement silos enabling controlled material flow and complete emptying.

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Component Specifications

Definition
A conical or hopper-shaped bottom section of a cement storage silo designed to facilitate gravity-driven discharge of bulk cement powder. This engineered component features specific angles and surfaces to prevent material bridging, rat-holing, and segregation while ensuring reliable flow through discharge valves. It integrates with silo walls and support structures to handle static and dynamic loads from stored materials.
Working Principle
Utilizes gravity and optimized geometry to direct cement powder toward a central discharge point. The cone angle (typically 45-60 degrees) exceeds the material's angle of repose to prevent stagnation, while smooth internal surfaces minimize friction. Material flows along the inclined walls by gravity, converging at the outlet where flow control devices regulate discharge rates.
Materials
Carbon steel (Q235B, S355JR) with internal epoxy coating or stainless steel (304, 316L) for corrosion resistance; thickness 6-12mm depending on silo capacity.
Technical Parameters
  • Cone Angle 45-60 degrees
  • Capacity Range 50-5000 tons
  • Surface Finish Ra ≤ 3.2μm internally
  • Wall Thickness 6-12mm
  • Outlet Diameter 300-600mm
Standards
ISO 11697, DIN 1055-6

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Cone Bottom.

cement silo cone bottom conical hopper bulk material discharge silo discharge system gravity flow cone industrial storage component Cone Bottom Cone Bottom in Non-Metallic Mineral Product Manufacturing

Parent Products

This component is used in the following industrial products

Cement Silos

Storage vessels for bulk cement in concrete batching plants

View Product Details

Filler Silo

Storage vessel for mineral filler materials within a filler system

View Product Details

Engineering Analysis

Risks & Mitigation
  • Material bridging/rat-holing
  • Corrosion from cement alkalinity
  • Structural fatigue from cyclic loading
  • Improper discharge causing segregation
FMEA Triads
Trigger: Inadequate cone angle or surface roughness
Failure: Material stagnation and incomplete discharge
Mitigation: Design with ≥45° angle and apply low-friction coatings; install flow aids
Trigger: Corrosive cement compounds
Failure: Wall thinning and structural weakness
Mitigation: Use corrosion-resistant materials (stainless steel/epoxy coatings); implement regular thickness inspections

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±2mm on outlet diameter; ±1° on cone angle
Test Method
Load testing per ISO 11697; flow testing with actual cement; NDT for weld integrity

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the optimal cone angle for cement silos?

45-60 degrees is standard, exceeding cement's angle of repose (approx. 30-40 degrees) to ensure complete discharge without residual material.

How to prevent material bridging in cone bottoms?

Use steep cone angles, smooth internal coatings, mechanical vibrators or air fluidization systems, and proper material conditioning.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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