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P� 1 t r <br />[�- F - <br />I <br />INDUSTRIES, INC. <br />THE <br />FIRECAT 250 DIRECT FIRED <br />THERMAL OXIDIZER <br />WITH CAT MODULE <br />The FIRECA7 250 is a new thermal oxidizer on the market and utilizes some <br />unique features to process VOC's 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 />2. OXYGEN LEVEL MONITORING - A PID Controller 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 />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 />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 perameters 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 />