Feed Bin / Hopper: Capacity 1-100 m³, Wall Thickness 3-12 mm

Component Specifications

Definition

A feed bin or hopper is a critical component in cold feed systems designed to store bulk materials and control their discharge rate into downstream processing machinery. It typically features a conical or pyramidal shape with a narrow outlet to facilitate gravity-driven flow while preventing material bridging or rat-holing. Industrial hoppers incorporate flow aids, level sensors, and discharge mechanisms to ensure consistent material supply.

Working Principle

The hopper operates on gravity flow principles where material stored in the upper section flows downward through the converging geometry. Flow control is achieved through discharge gates, vibrators, or screw feeders at the outlet. Material flow patterns (mass flow/funnel flow) are engineered to prevent segregation and ensure first-in-first-out discharge.

Materials

Carbon steel (SS400, Q235), stainless steel (304, 316), aluminum alloys, food-grade polymers (HDPE, PP), abrasion-resistant liners (UHMW-PE, ceramic tiles)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Capacity	1-100 m³
Discharge Rate	0.5-50 tons/hour
Wall Thickness	3-12 mm
Angle Of Repose	30-60°
Outlet Diameter	150-1000 mm

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

Standards

DIN 28011, ASME BPE

Parent Products

This component is used in the following industrial products

Cold Feed System

A system that stores, measures, and proportionally feeds cold aggregates into the asphalt mixing plant.

View Product Details

Engineering Analysis

Risks & Mitigation

Material bridging/rat-holing
Segregation of particle sizes
Corrosion/abrasion wear
Inconsistent discharge rates
Contamination risks

FMEA Triads

Trigger: Inadequate hopper angle or surface roughness
Failure: Material bridging blocks discharge
Mitigation: Design with mass flow geometry, apply low-friction liners, install vibratory flow aids

Trigger: Corrosive material exposure
Failure: Wall thinning and structural failure
Mitigation: Use corrosion-resistant materials, apply protective coatings, implement thickness monitoring

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±2% of rated capacity, ±1° on critical flow angles

Test Method

Flow function testing, wall friction tests, discharge rate validation per ISO 17892

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 Feed Bin / Hopper

Manufacturer profiles associated with Feed Bin / Hopper.

Sourcing Feed Bin / Hopper from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

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

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

Related Components

Chrome Plating

Hard chrome plating is an electroplating process that deposits a layer of chromium onto metal surfaces to enhance wear resistance, corrosion protection, and reduce friction for hydraulic cylinder piston rods.

Upper Tool (Punch)

Upper Tool (Punch) is the active forming component in metal plate bending machines that applies precise downward force to create bends in sheet metal.

Main Frame

The main frame is the primary structural component of a hydraulic press, providing rigidity and stability to withstand high compressive forces during metal forming operations.

Shaft Bearing

Precision component supporting rotating shafts in vibration motors to reduce friction and maintain alignment.

Frequently Asked Questions

What is the difference between mass flow and funnel flow in hoppers?

Mass flow ensures all material moves downward uniformly, preventing dead zones and segregation. Funnel flow creates a central channel with stagnant material at the periphery, suitable for non-degrading materials.

How to prevent material bridging in hoppers?

Use steep hopper angles (>60°), smooth internal surfaces, flow promotion devices (vibrators, air blasters), or mechanical agitators to break cohesive material arches.

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.

Feed Bin / Hopper