Posted in | Materials Processing

Lucifer Furnaces Deliver Dual Chamber Heat Treating Furnace

Lucifer Furnaces recently delivered a model HS84GT-R24 dual chamber heat treating furnace for use with inert atmosphere to Standard Alloys, Port Arthur, Texas.

HS84GT-R24 dual chamber heat treating furnace from Lucifer Furnaces.

The unit will be used on a daily basis in the foundry and machine shop department which repairs pumps, compressors and other equipment for the refining and chemical industries.

Materials to be heat treated include but are not limited to Stainless Steels and High Nickel Alloy castings. The HSGT upper hardening chamber is designed for a positive flow of inert atmosphere, with continuous welds and gasketed door, roof plate and element terminals. Seven inches of dry-fit multilayered lightweight insulating firebrick and mineral wool block insulation provide energy efficient operation and low outside shell temperature.

Silicon carbide elements mounted across the roof and below the silicon carbide hearth plate produce heat to 2450°F. An SCR power supply automatically adjusts voltage to the heating elements as resistance increases, providing a steady, low amperage and voltage supply for longer element life. An SCR power supply eliminates the manual adjustment of tap switches and power transformer as well as the costly method of on/off control which reduced element life.

A counter-weighted vertical lift manually hand cranked door keeps the hot face away from the operator at all times. The HSGT lower tempering chamber heats to 1400°F with a rear mounted fan assembly providing circulation for uniform heat.

A stainless steel liner forms the work area, directing air past the side wall mounted elements for heating then past the workload. The standard horizontal swing door is equipped with a cam latch and safety microswitch.

Each chamber has working dimensions of 24"H x 24"W x 24"L and is operated independently with Honeywell digital time proportioning temperature controllers housed in a separate freestanding NEMA 1 control panel. An overtemperature safety system for both the hardening and tempering chambers meets OSHA requirements for unattended furnace operation.

Optional equipment on the furnace to Standard Alloys includes chart recorders as part of ISO9001 compliance.

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