IR Furnace Features

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Base Equipment and Options (Q - T)

KEYDESCRIPTION
RTLRight to Left: Belt moves from the right to left as viewed from the operator console. No cost option when specified at time of order, available on all furnaces.  IR Furnace Optional Equipment
SBWSpecial Belt Weave. Custom belt in lieu of standard balanced weave design. Option available on most furnaces.  IR Furnace Optional Equipment
SCRComputerized SCR Load Management. Computer/PLC controlled SCR power modules that operate the furnace efficiently through phase angle firing, providing steady state, true proportioning control of the IR lamps without flicker. Each SCR firing circuit accepts process command signals from the PLC to regulate the power delivered to the heating elements in each furnace zone. Actual power output to the lamps in each zone is displayed directly on the OIT. Each SCR can be calibrated for maximum voltage output and maximum permissible power applied to each zone can be limited via the OI. Loads shall be balanced across phases. Standard on all furnaces.  IR Furnace Stardard Equipment
SIMetric Units of Measure. Furnace control software shall depict belt speed in centimeters per minute (cm/min). Temperature units shall be degrees Celcius (C).  No cost option in lieu of ENG on most furnaces if SI is selected at time of order.  IR Furnace Optional Equipment
SMEMASMEMA Lane Control. Product tracking sensors at entrance and exit which provide SMEMA 1.1 busy/board available signal generation to coordinate product handling from upstream and downstream equipment. The on-screen tracking feature counts the number of product units travelling through the furnace. The tracking feature sets off an alarm if the exit sensor does not detect the arrival of an expected product unit at the unloading station. Option available on most furnaces.  IR Furnace Optional Equipment
SP1Critical Spares Kit. Increases furnace availability. Package includes critical parts, such as fuses, SCR, PLC I/O modules and lamps that may be needed to restore full operation of the furnace. An itemized list of included spare parts shall be available. Option available on all furnaces.  IR Furnace Optional Equipment
SPLSplit for Shipment: Furnace may be manufactured to allow separation into sections to facilitate shipping and relocation. Standard on all furnaces 5.7 m (225 in.) long or longer. Required on furnaces 4.6 m –5.3 m (180 in.-210 in.) long.
SPPSpecial Paint. Customer specified color in lieu of standard Sherwin Williams Stone Gray, P/N F63TXA-0382-2322 Polane-T Texture or equal. Option available on most furnaces. IR Furnace Optional Equipment
TTTransition Tunnel. Similar to the BX Exit Baffle/Exhaust Eductor, the transition tunnel works as a barrier to prevent contaminants from passing from the heating section into the cooling section. The transition tunnel is housed inside an aluminum shell lined with ceramic fiber insulation and is fully insulated so that it will lose heat gradually. A metal air rake introduces a gas curtain above the belt to purge the tunnel and a series of four equally spaced hanging baffle gates effectively isolate the high temperature furnace section from the cooling section. A venturi-assisted exhaust stack draws furnace gases from the last zone, across a drip tray and out of the furnace to prevent exhaust condensation from falling into the transition baffle. Proper operation of this system keeps the furnace interior clean. Standard on most furnace models.  IR Furnace Stardard Equipment
TTDETransition Tunnel, Dual Eductors. The TTDE module is similar in construction and design to the TTSE Transition Tunnel with the addition of a 2nd Exhaust Eductor to prevent contaminants from passing from the heating section into the cooling section. The transition tunnel is housed inside an aluminum shell lined with ceramic fiber insulation and is fully insulated so that it will lose heat gradually. A metal air rake introduces a gas curtain above the belt to purge the tunnel and a series of four equally spaced hanging baffle gates effectively isolate the high temperature furnace section from the cooling section. Two exhaust eductors, one at each end of the tunnel, expedite removal of gaseous contaminants from the furnace atmosphere and establish a counter flow of cooler gas from the cooling section, raising a high barrier to contamination passing from furnace to cooling section. Each eductor shall have a separate flow meter control for proper balancing of the exhaust flow. Standard on some furnace models with multiple CACT or CAWC cooling modules. Option available on most other furnaces.  IR Furnace Stardard Equipment  IR Furnace Optional Equipment
TTSETransition Tunnel, Single Eductor. The TTSE module is similar in construction and design to the TT Transition Tunnel except with the addition of an Exhaust Eductor to prevent contaminants from passing from the heating section into the cooling section. The transition tunnel is housed inside an aluminum shell lined with ceramic fiber insulation and is fully insulated so that it will lose heat gradually. A metal air rake introduces a gas curtain above the belt to purge the tunnel and a series of four equally spaced hanging baffle gates effectively isolate the high temperature furnace section from the cooling section. One exhaust eductor expedites removal of gaseous contaminants from the furnace atmosphere raising a barrier to contamination passing from furnace to cooling section. The eductor is controlled by a variable rate flow meter control for proper balancing of the exhaust flow. Standard on some furnace models. Option available on most other furnaces. IR Furnace Stardard Equipment  IR Furnace Optional Equipment

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