Lindberg/MPH has shipped a gas-fired reverberatory aluminum melting and holding furnace with a preheat hearth to be used to manufacture aluminum parts. It has a melt rate of 10,000 pounds per hour.
The furnace has a maximum temperature rating of 1,450°F and total holding capacity of 85,000 pounds based on 155# per cubic ft. of molten aluminum. A full-width vertically rising air-operated door provides access to load the preheat hearth and a full width cleanout door at the rear allows for unloading.
This melting furnace is designed with an elevated base and bottom mounted magnetic stirring mechanism. An air pressure pump well for dispensing molten aluminum provides the operator with greater ease of use and allows the unit to stand idle over long periods of time such as weekends without having a large temperature differential between the pumper and the furnace.
Furnace temperature is controlled by three temperature controllers, one for bath temperature control and the other two for high limit temperature control. Flame supervision equipment is a standard feature on Lindberg/MPH furnaces and includes a timed forced-air purging of the combustion chamber on start up or restart after flame failure, positive low-fire start and shutdown in the event of excess gas pressure, insufficient gas pressure, insufficient air pressure, and electrical failure.
“This aluminum melting furnace design provides maximum melting efficiency and large capacity,” said Kelley Shreve, general manager. “The customer-supplied magnetic stirring mechanism helps reduce damaging oxide growth.”
Unique features of this Lindberg/MPH aluminum melting and holding furnace include:
- Rugged fully welded carbon steel plate furnace construction.
- Full-width preheat hearth door and read cleanout door.
- Magnetic stirrer mechanism.
- Temperature controllers with automatic preheat and dry out functions.
- Guarded access ladder and grated walkway on roof to provide access to roof mounted equipment during maintenance.
- Sumped pneumatic discharge well.
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