Eclipse PDF

More documents

Recommendations

Info

ZHAHeated Regeneration<strong>Eclipse</strong> TM ZHA models include an external heater to heatdry purge air for desiccant regeneration. Heating allowsthe dryers to consume only 7% of the dried compressed airvolume for this purpose – significantly less than is requiredfor heatless pressure swing type dryers. Available in sizesranging from 150 – 8000 SCFM, ZHA dryers deliver -40°Fpressure dew point air for critical drying applications.ZBAHeated Blower Regeneration<strong>Eclipse</strong> TM ZBA models include a dedicated blower andexternal heater to produce purge air for desiccantregeneration. The blower develops atmospheric air flowthrough the heater, then through the desiccant mediathereby regenerating it. With this design, no dried compressedair is consumed for regeneration, which maximizesthe amount delivered to the air system. Dryer sizes from150 – 8000 SCFM are available with each delivering-40°F pressure dew point air.STANDARD FEATURES:• High Performance Valves:Non-lubricated ball and butterfly valves aredesigned specifically for high temperatureapplications and feature stainless steel internalsand filled PTFE seats.• NEMA 4 Electrical Enclosure: Protectselectrical components against falling orhose-directed water and severe externalcondensation.•DPC TM Controller and DynOptic TM Display: PLC Controllerexecutes all dryer functions and monitors and displays dryerstatus. DynOptic TM Display provides schematic depictionof dryer status. This controlpanel with keypad interfaceincludes the following:– MODBUS Compatibility– Remote Alarm Contact– Failure Code Storage– Illuminated Display of:• Dryer Alarm Annunciation/Cancellation• Heater Operation & Temperature Control• High Heater Temperature and Failure Alarm• Blower Operation Control• Regeneration Sequencing• Failure-to-Shift Alarm• Failure-to-Shift Alarm: Monitorstower pressure for proper valvesequencing and operation.• Bi-Mode Operation: Dryer canbe switched to heatlessregeneration mode if the heateror blower become inoperative.HIHUMID SETPOINT-20 O F (-28 O C)WARRANTY COVERAGEON FLOW VALVES AND HEATERTMDESICCANT AIR DRYERSRELIABLE PERFORMANCE.DESIGN INNOVATION.2100ZBA in standard configuration
www.zeks.comThe result is longer valve life and extended heater life.ASME Coded Pressure Vessels: Carbon steel towersconstructed for 150 psig MAWP operation meet ASMESection VIII, Div. 1 requirements. Towers are sized toprovide low air flow velocity and high contact time.Accessible Fill and Drain Ports: Port locations on eachvessel enable easy service access for scheduled changeof desiccant media.Sound Attenuating Purge Mufflers: Large mufflersminimize noise and include built-in safety relief valves.OPTIONAL FEATURES:• AccuTemp TM Heater Control: Unlike heater contactors that • High Humidity Alarm: Monitors humidity levelpermit wide temperature swings, Solid State AccuTemp TM of the compressed air.relay precisely monitors and controls heater temperature.•385 o F375 o F365 o FAccuTemp TM ControlThermostat and Contactor• Incoloy Sheath on Heater Element: Sheathing increaseselement life. External mounting outside of desiccant bedeliminates potential for desiccant scorching while low wattdensity design provides long service life.• Heater High Temperature with Interlock Alarm: Providescontinuous monitoring of heater sheath temperature. Theheater will de-energize in a high temperature condition.• Compressed Air Cooldown: For blower purge (ZBA) dryerapplications requiring tighter dew point control and lower airtemperature at switchover. Unheated, dry compressed airis used for the final stage of regeneration, thereby coolingthe desiccant bed prior to tower switch over.• High Efficiency Blower (ZBA Only): Reliable,quiet generation of purge air. Intake filteris positioned for convenient access tofacilitate filter element changeout.• Pressure & Temperature Gauges:Stainless steel gauges, located on eachtower, provide visual indication of pressure andtemperature during drying and regeneration processes.• High Strength Desiccant: Minimizes dusting, increasesafterfilter element life and is unaffected by liquid wa ter exposure.• Control Air Filtration: ZEKS ZTF TM particulate filter protectsdryer operating controls.•• Pressure Relief Valves: Standard fire-rated relief valvesper API RP-520. Optional flow-rated valves available.•• Removable Stainless Steel Diffuser Screens: Distributeair evenly through desiccant beds.•Moisture Load Control with Dew Point Display:Provides fully automated dryer operation basedon continuous monitoring of outlet air moisturecontent. Timing of the regeneration sequence isadjusted to match the moisture loading. Includesdew point display, highly accurate ceramic dewpoint sensor and high dew point alarm.• Power Saver: Reduces energy consumption bymatching the regeneration heating cycle to the actualmoisture loading of the regenerating bed. A sensor monitorsthe temperature of the outlet purge air stream and stops theheater when full regeneration of the offline tower is detected.Especially effective during times of low moisture loading.•-100°F Dew Point (ZHA Only): Specially designed dryersprovide extremely low dew point air for critical applications.• 300 psig MAWP: High pressure dryer design for applicationsabove 150 psig.•Filter Packages: Factory installed prefilter and afterfilteravailable in several configurations. Also available with filterand dryer bypasses for ease of service.• Tower Insulation: Contains heat within towers to optimizeregeneration efficiency. Provides contact barrier for safety.800ZHA with factory installed filters
Page 1 and 2: INNOVATIVE COMPRESSED AIR SOLUTIONS
Page 3 and 4: ECLIPSE TMDRYER OPERATION5Dry air f
Page 5: www.zeks.comOPTIONAL FEATURES:•

Eclipse PDF

Create successful ePaper yourself

Delete template?

Save as template?