Material Feeder for Pneumatic Conveying Systems

Product Specifications

Technical details and manufacturing context for Material Feeder

Definition

The Material Feeder is a critical component of pneumatic conveyor systems that precisely meters and introduces bulk materials into the conveying air stream. It ensures consistent material flow rates, prevents system overload, and maintains optimal air-to-material ratios for efficient transport through pipelines. The feeder is typically installed between a storage hopper or silo and the conveying pipeline, acting as a controlled interface that regulates the entry of material into the air stream. It is designed to handle a range of bulk materials, including powders, granules, and pellets, and is available in configurations such as screw feeders, rotary valves, and vibratory feeders, depending on the application requirements. The unit is constructed from materials such as carbon steel, stainless steel, or abrasion-resistant steel, with the choice depending on the material being handled and the operating environment. Key parameters include rated capacity (5–50 t/h), screw diameter (100–300 mm), operating pressure (1.0–1.6 MPa), temperature range (-20 to 80 °C), feed accuracy (±1%), motor power (1.5–7.5 kW), supply voltage (380 V AC per IEC 60038), ingress protection (IP54–IP65 per IEC 60529), material of construction (304/316L per ASTM A240), and weight (150–800 kg). These values are reference ranges and must be verified for the specific model and application. The feeder operates by receiving material from the hopper into a chamber, where it is metered through adjustable gates, screws, or rotary valves, and then introduced into the conveying pipeline where it is entrained by high-velocity air flow. Proper selection requires consideration of bulk density, particle size, required capacity, and system pressure. Maintenance signals include unusual noise, reduced feed rate, or leakage, which may indicate wear or blockage. Failure boundaries include operation outside the specified pressure or temperature limits, which can lead to seal failure or material degradation. Always verify model-specific values and standards with the legal manufacturer or supplier.

Working Principle

Material is fed from a hopper or storage container into the feeder chamber, where it is metered through adjustable gates, screws, or rotary valves. The feeder then introduces the material into the conveying pipeline where it is entrained by high-velocity air flow for transport to the destination. The metering mechanism controls the flow rate, ensuring a consistent feed and preventing overloading of the conveying system. The air-to-material ratio is maintained within optimal limits to achieve efficient transport and minimize wear on the pipeline.

Common Materials

Carbon Steel, Stainless Steel, Abrasion-Resistant Steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Capacity	5–50 t/h	Depends on bulk density and screw diameter
Screw Diameter	100–300 mm	Select based on particle size and capacity
Temperature Range	-20–80 °C	Above 80°C use high-temp seals
Feed Accuracy	±1 %	Relative to setpoint, under stable conditions
Motor Power	1.5–7.5 kW	Depends on capacity and material properties
Supply Voltage	380 V AC	Three-phase, 50/60 HzIEC 60038
Ingress Protection	IP54–IP65	IP65 for dusty environmentsIEC 60529
Material of Construction	304/316L	316L for corrosive or food-gradeASTM A240
Weight	150–800 kg	Depends on size and material

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

Feed Hopper
Temporary storage and gravity feed of material into the metering section

Material: Stainless Steel
Metering Mechanism
Precisely controls the flow rate of material into the conveying stream

Material: Abrasion-Resistant Steel
Inlet Flange Part
Connects the feeder to the material source or storage system

Material: Carbon Steel
Outlet Flange Part
Connects the feeder to the pneumatic conveyor pipeline

Material: Carbon Steel
Feeder Chamber
The body the material drops into and where the metering element works on it.

Applied To / Applications

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

Pneumatic Conveyor

View system integration details

Manufacturers of Material Feeder

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

JOCHAMP

Rui'an, Zhejiang, CN

Founded 2005

CE ISO9001 SGS

Also makes: Cartoning Machine, Vertical Form Fill Seal (VFFS) Machine, Blister Packaging Machine and 9 more

Listed on the company's own website · profile compiled by CNFX from public sources

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Frequently Asked Questions

What is the typical capacity range of a Material Feeder?

The rated capacity is typically between 5 and 50 t/h, depending on bulk density and screw diameter. The exact capacity for a specific model must be confirmed with the manufacturer.

What materials are used for construction?

Common materials include carbon steel, stainless steel (304/316L), and abrasion-resistant steel. The choice depends on the material being handled and the required corrosion or wear resistance.

What is the operating pressure range?

The operating pressure is typically 1.0 to 1.6 MPa.

How do I select the right feeder for my application?

Selection should consider bulk density, particle size, required capacity, system pressure, and temperature. Verify all parameters with the manufacturer to ensure compatibility.

Data Basis

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

Preliminary Technical Classification

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pressure:	Up to 10 bar (145 psi)
flow rate:	0.5 to 100 m³/h
temperature:	-20°C to 150°C
slurry concentration:	Up to 70% solids by weight

Material Feeder

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards