Lindberg/MPH Ships Mesh Belt Conveyor Furnace to the Powdered Metal Industry

Lindberg/MPH announced the shipment of an electrically heated, full muffle, mesh belt conveyor furnace. This furnace is designed for treating pressed powdered material.

The furnace is designed for applications with a maximum process temperature of 1,000° C (1,832° F) that utilize a nitrogen or clean dry filtered air process atmosphere. The unit is configured with 9 temperature control zones and includes a water-cooling section. The conveyor system features a 14 inch wide mesh belt with belt stop alarm to provide an audible and visual indication in case of a conveyor stoppage.

There are purge chambers at the entrance and exit of this conveyor furnace. In these chambers purge gas flows from perforated plenum chambers above and below the belt and exhaust stacks with adjustable butterfly valves are located at the inner ends of each chamber. Load and unload tables at the entrance and exit of the conveyor provide ease of product transfer for the operator.

The furnace zone temperatures are controlled by Eurotherm controllers. These controllers have advanced PID control with variable overshoot inhibition. A hi-limit Eurotherm controller guards against over temperature conditions in each zone of temperature control. A visual and audible alert and removal of power to the heating element occur in the event the monitor temperature exceeds a desired set point.

“This furnace utilizes nine high temperature zones which provides the customer the flexibility for time/temperature profile adjustments to develop and meet their specific process requirements.”

– Bill St. Thomas, Business Development Manager

Unique features of this mesh belt conveyor furnace include:

  • Entrance and exit purge chambers
  • Furnace muffle
  • Eurotherm Model 3216 temperature controller
  • Eurotherm Model 3216i hi-limit controller
  • Solid state, closed loop, belt drive control
  • Zero-Fired solid state relay heating circuit power controllers
  • Platinel II thermocouples