Collection Hopper for Powder Recovery Unit - Specifications & Verification

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. The hopper is available in materials such as stainless steel, carbon steel, and food-grade plastic, with material grades like 304 or 316L (per ASTM A240) for corrosive or hygienic applications. Key parameters include a capacity of 0.5–2.0 m³, discharge rate of 5–20 t/h, operating pressure of 1.0–1.6 MPa, and operating temperature of -20 to 80 °C. Wall thickness ranges from 3–6 mm, internal surface finish from 0.8–1.6 μm Ra (per ISO 4287), inlet diameter from 150–300 mm, outlet diameter from 100–200 mm, overall height from 1200–2500 mm, weight from 150–800 kg, and IP rating from IP54–IP65 (per IEC 60529). These values are reference ranges and must be confirmed for the specific model and application. The hopper's design ensures reliable powder flow, prevents clogging, and supports controlled discharge. It is essential to verify all specifications with the legal manufacturer or supplier before procurement.

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. Vibrators or agitators may be used to prevent bridging or compaction, ensuring consistent flow. The discharge rate is matched to downstream process demand, and the operating pressure and temperature are maintained within specified limits to preserve material integrity.

Common Materials

Stainless Steel, Carbon Steel, Food-Grade Plastic

Technical Parameters

Parameter	Typical range	Notes & selection driver
Capacity	0.5–2.0 m³	Determines batch size and footprint
Discharge Rate	5–20 t/h	Matches downstream process demand
Operating Pressure	1.0–1.6 MPa
Operating Temperature	-20–80 °C	Outside range may affect material integrity
Material Grade	304/316L	316L for corrosive or hygienic applicationsASTM A240
Wall Thickness	3–6 mm	Thicker for higher pressure or wear
Surface Finish (Internal)	0.8–1.6 μm Ra	Smoother for easy cleaning and flowISO 4287
Inlet Diameter	150–300 mm	Matches upstream piping
Outlet Diameter	100–200 mm	Controls discharge flow
Overall Height	1200–2500 mm	Affects installation space
Weight	150–800 kg	Important for structural support
IP Rating	IP54–IP65	Higher rating for dusty or wet environmentsIEC 60529

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

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
Internal Baffles Optional
Steer the incoming powder so it drops out of the air stream instead of being carried through.
Vibrator or Agitator Optional
Shakes or stirs the powder so it does not bridge or pack solid above the outlet.

Applied To / Applications

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

Powder Recovery Unit

View system integration details

Cyclone Separator

View system integration details

Manufacturers of Collection Hopper

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Frequently Asked Questions

What is the primary function of the Collection Hopper?

The Collection Hopper receives and temporarily stores recovered powder from the Powder Recovery Unit, facilitating controlled discharge to downstream processes.

Which materials are available for the Collection Hopper?

Available materials include stainless steel, carbon steel, and food-grade plastic. Material grades such as 304 or 316L (per ASTM A240) are used for corrosive or hygienic applications.

What are the typical capacity and discharge rate ranges?

Capacity ranges from 0.5 to 2.0 m³, and discharge rate from 5 to 20 t/h. These are reference values; confirm for your specific model.

How should I verify the hopper's compliance with standards?

Check the operating pressure against surface finish against ISO 4287, and IP rating against IEC 60529. Always confirm with the legal manufacturer or supplier.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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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

Collection Hopper

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards