Jun 10, 2021

Pneumatic Conveying System Eliminates Contamination Risks

System also increases throughput capacities from six to 15 tons/hour at major food manufacturer

source: Gericke USA

A major food manufacturer has eliminated the risk of rice product contamination incurred during transport from storage to the filling and packaging lines by replacing an open belt conveying system with a closed, pneumatic conveying system.

Designed and manufactured by process equipment manufacturer Gericke USA, the sealed, dense phase conveying system automatically transports long grain, risotto, and basmati rice at distances up to 70 meters while avoiding exposure to mechanical wear parts, lubricants, pests, and other contaminants.

The conveying system gently transports the fragile, dry rice grains at low velocities to protect the size and shape, consistently meeting a 0.5% or better broken grain rate yet also delivering high throughput capacities from 6 tons/hour to 15 tons/hour.

Tested in the Gericke testing laboratory to verify performance under simulated operating conditions, the PTAD conveying system continuously transfers the rice as a pulsed plug through stainless steel conveyor piping.

Twin pressure vessels introduce the rice into the process without requiring an external air injection system and without any moving parts to eliminate the potential for metal particle contamination.

In addition, the pressure vessels were custom-configured to fit into a limited space underneath an overhead hopper without compromising the efficiency or requiring additional conveying air.

Recently Added to Buyer's Guide

Integrated Design-Build Services

  • Electrical engineering
  • Electrical construction

Feed Mill Pellet Systems

  • Pellet mill automation screen
  • Pellet mill amps

JaHam JT03, JT10 and JT20 Truck Probes

  • Core-style truck probe sampling system
  • Use with all whole grain

NexGen Platform

  • Designed with feed mills in mind
  • Built to scale as your business scales


  • Accurate level measurement and fast refresh rate
  • Radio connectivity

GMS Mixers

  • New, efficient drive, based on permanent magnet motor, designed for batch mixers that start and stop frequently
  • Compact design, quiet operation


Marketwatch: Oct, 02

US Corn Price Idx: ZCPAUS.CM

open: 6.6922
high: 6.8741
low: 6.6102
close: 6.6102

US Soybean Price Idx: ZSPAUS.CM

open: 13.6782
high: 13.7587
low: 13.1333
close: 13.1536

US Hard Red Winter Wheat Price Idx: KEPAUS.CM

open: 9.3697
high: 9.6472
low: 9.1747
close: 9.4272

US Soft Red Winter Wheat Price Idx: ZWPAUS.CM

open: 8.3873
high: 8.7783
low: 8.2498
close: 8.5389