950°F Belt Conveyor Oven Used for Heat Treating

Grieve’s No. 831 is a 950°F (510°C) belt conveyor oven currently used for heat treating springs at a customer’s facility.

Related Topics:

Grieve’s No. 831 is a 950°F (510°C) belt conveyor oven currently used for heat treating springs at a customer’s facility. Workspace dimensions are 14" × 54" × 3" ×, and 81,600 Btu/hr. are installed in a modulating infrared natural gas burner to heat the oven chamber, while a 250-cfm, 1/3-hp recirculating blower provides vertical downward airflow to the workload.

The oven has a 12"-long open-belt loading zone and a 54"-long insulated heat zone with recirculated airflow. Other features include a 12"-long open unloading zone; a 10"-wide, 0.041" high-carbon-steel woven-wire conveyor belt with 1/40-hp motor variable-speed drive; 4" insulated walls comprised of 2" of 1,990°F block and 2" of 10 lb/cf density rockwool; aluminized steel interior and exterior; and a digital indicating temperature controller.

Editor Pick

Faraday's Children (and Nickel) - The 40th William Blum Lecture

This article is a re-publication of the 40th William Blum Lecture, presented at the 86th AESF Annual Convention in Detroit, Michigan on June 21, 1999. In this lecture, Dr. George DiBari describes the search for the ideal nickel anode material and the outlook for survival of nickel plating at the end of the 20th century.  The closing section is a tribute to prior award winners and to some of the people that he worked with at Inco.