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r 1 - <br /> INDUSTRIES, INC. <br /> THE <br /> FIRECAT 250 DIRECT FIRED <br /> THERMAL OXIDIZER <br /> WITH CAT MODULE <br /> The FIRECAT 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 /> 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:TEMFERATURE 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 />