Top Down Heating
- This patented technology (U.S. Patent 5,351,632) has literally
turned burn-off oven design upside down by introducing the heat
into the top of the oven and removing cooler gases and combustible
vapor from the bottom. The advantages of Top Down Heating are
more uniform temperatures, control of hottest spot in the oven
to prevent part damage and increased efficiency. It makes the
process easier to control, lowers particulate emissions, allows
ash pans in the bottom of carts, and cart wheels last much longer.
Rate-of-Change
Control - This patented system allows heat-cleaning
ovens to process large amounts of material quickly without a fire
hazard. It actually measures vapor production inside the oven
and controls it at a safe level.
Automatic
Process Control - This patented, advanced control
package (U.S. Patent 5,189,963) is designed to make oven operation
totally automatic without operator input. This eliminates the
chance of operator error. This package includes Automatic Cycle
Timer, Three Level Safety System and a Cool-Down Circuit.
Automatic Cycle Time
- This system can tell when the process is over so the oven runs
no longer than necessary to do the job, and won't shut off prematurely.
It automatically adjusts to the load.
Three Level Safety System
- Primary water sprays control the process. If they fail, 20 seconds
later the backup nozzle is activated. If it fails, 20 seconds
later the primary burner is shut down.
Cool-Down
Circuit - If the afterburner fails for any reason,
the water sprays are activated to cool the load to prevent smoke
from going up the stack. Automatically shuts off when oven is
cooled.
High-Fire
Afterburners - The afterburner gets to temperature
quickly and maintains 1,500oF to 1,800oF for more than 1/2 second
to meet current and future air quality standards. All Steelman
ovens have an afterburner temperature indicator.
