INDUSTRY COMPONENT

Cone Bottom

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

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
ParameterTypical rangeNotes & selection driver
Cone Angle45-60 degrees
Capacity Range50-5000 tons
Surface FinishRa ≤ 3.2μm internally
Wall Thickness6-12mm
Outlet Diameter300-600mm

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 11697, DIN 1055-6

Parent Products

This component is used in the following industrial products

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

Typical Suppliers & Equivalents

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

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Cone Bottom

4 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Hebei Yongchang Composite Material Technology Co., Ltd.
Hebei, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “FRP Vertical Cone Bottom Tank”
View source page ↗ yongchangfrp.com · checked 2026-08-26
LoChamp Machinery
Henan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Steel Cone Bottom Silo”
View source page ↗ lochamp.com · checked 2026-08-30
Myande Group Co., Ltd.
Henan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Cone-bottom Reclaimer”
View source page ↗ myandegroup.com · checked 2026-09-04
Oumu Group
Henan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Cone Bottom Silo”
View source page ↗ oumu-silo.com · checked 2026-09-01

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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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.

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.

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