Structured Manufacturing Data (2026)

Collection Hopper

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Collection Hopper used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Collection Hopper is characterized by the integration of Hopper Body and Discharge Valve. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A funnel-shaped container that collects recovered powder from the Powder Recovery Unit for temporary storage and controlled discharge.

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Product Specifications

Technical details and manufacturing context for Collection Hopper

Definition

The Collection Hopper is a critical component of the Powder Recovery Unit, designed to receive and temporarily store powder particles recovered from the system's filtration or separation processes. It typically features a conical or pyramidal shape to facilitate material flow toward the discharge outlet, often equipped with level sensors, vibrators, or agitators to prevent material bridging or compaction. Its primary function is to ensure efficient material handling between recovery and subsequent processing stages.

Working Principle

Powder-laden air or material from the recovery system enters the hopper, where particles settle due to gravity or are directed by internal baffles. The hopper's sloped walls guide the accumulated powder toward the discharge point, which may be controlled by valves, gates, or rotary feeders to regulate outflow. Level indicators monitor fill status to prevent overfilling or empty conditions.

Common Materials

Stainless Steel, Carbon Steel, Food-Grade Plastic

Technical Parameters

Hopper dimensions (diameter/width, height, discharge outlet size) (mm) Per Request

Components / BOM

Hopper Body
Main container that collects and stores recovered powder

Material: Stainless Steel
Discharge Valve
Controls the release of powder from the hopper

Material: Stainless Steel
Level Sensor
Monitors powder level to prevent overfilling or empty conditions

Material: Stainless Steel/Electronic Components

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Collection Hopper.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Powder Recovery Unit

View system integration details

Cyclone Separator

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Industrial Ecosystem & Supply Chain Structure

Complementary Systems

Downstream Applications

Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits

pressure:	Atmospheric to 0.5 bar gauge (max)
flow rate:	0.1 to 5 m³/hr (discharge rate)
temperature:	-20°C to 80°C (standard), up to 120°C with special materials
slurry concentration:	Up to 70% solids by weight

Media Compatibility

✓ Polymer powders (e.g., PVC, polyethylene) ✓ Metal powders (e.g., aluminum, steel) ✓ Ceramic powders (e.g., alumina, silica)

Unsuitable: Highly hygroscopic or caking powders without agitation/aeration

Sizing Data Required

Maximum batch volume (m³)
Required discharge rate (kg/hr or m³/hr)
Material angle of repose (degrees)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause

Abrasive wear and erosion

Cause: Continuous flow of abrasive materials (e.g., sand, minerals, metal chips) causing gradual thinning of hopper walls, especially at impact zones and flow transition points.

Corrosion and material degradation

Cause: Exposure to moisture, chemicals, or corrosive materials leading to pitting, rust, or material breakdown, particularly in seams, welds, and areas with material buildup.

Maintenance Indicators

Visible thinning, bulging, or deformation of hopper walls indicating structural weakness
Unusual vibrations, rattling noises, or material leakage from seams/welds during operation

Engineering Tips

Install wear liners or abrasion-resistant plating at high-impact areas and implement regular thickness monitoring with ultrasonic testing
Apply protective coatings suitable for handled materials, ensure proper drainage to prevent moisture accumulation, and maintain consistent material flow to prevent corrosive buildup

Compliance & Manufacturing Standards

Reference Standards

ISO 14122-3:2016 - Safety of machinery - Permanent means of access to machinery - Part 3: Stairs, stepladders and guard-rails ASME B31.3:2022 - Process Piping EN 1090-2:2018 - Execution of steel structures and aluminium structures - Part 2: Technical requirements for steel structures

Manufacturing Precision

Flatness of mounting flange: +/- 0.5 mm
Concentricity of inlet/outlet connections: +/- 1.0 mm

Quality Inspection

Visual Inspection for weld quality and surface defects
Pressure Test (hydrostatic or pneumatic) for leak tightness

Factories Producing Collection Hopper

Manufacturer profiles with relevant production capability in China

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

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 materials are available for the Collection Hopper?

The Collection Hopper is available in Stainless Steel for corrosion resistance, Carbon Steel for durability, and Food-Grade Plastic for sanitary applications in food or pharmaceutical industries.

How does the discharge valve work in the Collection Hopper?

The discharge valve allows controlled release of collected powder from the hopper, preventing spillage and enabling precise material transfer to downstream processes or packaging systems.

What is the purpose of the level sensor in the Collection Hopper?

The level sensor monitors powder volume in the hopper, preventing overfilling, optimizing discharge cycles, and enabling automated operation when integrated with powder recovery systems.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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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