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� rIJ <br />' INDUSTRIES, INC. <br /> i <br /> THE <br />' FIRECAT 250 DIRECT FIRED <br /> THERMAL OXIDIZER <br /> WITH CAT MODULE <br /> I The FIRECA7 250 is a new thermal oxidizer on the market and utilizes some <br /> unique features to process VOCs. A list of features and their functions are- <br /> 1: VOC DILUTION CONTROL - A PID Controller modulates a mechanical <br /> valve to control the influent vapors at a pre-set level ACCURACY (+ or - <br /> 1 % of the lower explosive level). The maximum LEL percentage the oxidizer <br />' can process at a 99 9% destruction rate is 60% LEL or 8280 ppmv The LEL <br /> level is monitored by a MSA Combustables Catalytic Bead Sensor and <br />' Transmitter which supplies a signal to the PID Controller. If the LEL% rises <br /> above a pre-set level it will close off the wells and open a purge valve. <br /> lie2. OXYGEN LEVEL MONITORING - A PID Controiler monitors the oxygen <br /> level to insure the oxygen level is sufficient to combust all vapors and <br /> supplemental fuel that is introduced to the oxidizer. The controller receives a <br /> I signal from a MSA oxygen sensor and transmitter, Oxygen Level Required <br /> 17% +) if the oxygen level drops below 17% the wells will be closed and <br /> a purge valve will open. <br />' 3.TEMPERATURE CONTROL - A PID Controller modulates a mechanical <br />' valve on the supplemental fuel line to control the oxidizer temperature at <br /> 1400 Degree Fahrenheit with an accuracy of (+ or - 5 degrees) The <br /> controller receives a signal from a type K thermocouple in the oxidizer stack. <br /> I VOC's will not be introduced until the oxidizer has reached the pre-set 1400 <br /> Degree temperature. When the system is converted to "CATALYTIC" the <br /> Temperature Controller receives a signal from the influent side of the <br /> catalytic module and maintains a 650 Degree temperature Exhaust <br /> temperature will range from 1 150 - 1250 Degrees <br />' 4: HIGH LIMIT CONTROLLER - A PID Controller monitors the temperature of <br /> the oxidizer to insure that it stays within the safe operating perimeters of <br /> the system. If the temperature rises above a pre-set level the oxidizer shuts <br /> off the system until it is manually reset. When the system is converted to <br /> "CATALYTIC" the High Limit controller has a lower setpoint. <br />' 3530 E. Enterprise Drive, Anaheim, CA 92807-1628 <br /> tel: (714) 632-1112 or (800) 632.1112 - fax (714) 632-1177 <br />