Diesel Particulate Filters Control Systems
- 1. Diesel Particulate Filters Control Systems RYPOS, Inc. Holliston, MA 02019 USA Greg Korst 415/686-3043 IEEE Los Angeles, CA 5/9/2018 Confidential
- 2. Diesel Particulate Matter, PM10 Confidential 2
- 3. SCAQMD Rules • Title V Facility • Major Polluter, exceeds threshold • Triggers LAER • DPF is Required* Confidential 3 • SCAQMD Rule 1470 • Proximity to Sensitive Receptors • DPF if within 50 meters • Requires PM emissions at Tier 4 level* • Proximity to Schools • DPF if within 100 meters • Requires PM at .01 gm/bhp-hr* * Requires CARB Level 3+ Verified DPF
- 4. BAAQMD Rules • Risk Screen Analysis – Takes surrounding conditions into account – Population density, wind currents, etc – Calculates how many hours you can run • For Test & Maintenance • Cancer Risk threshold Confidential 4 • Add DPF to get 50 hours annually
- 5. Diesel Particulate Filters Passive Active Fuel Born CatalystOxidation Catalysts Electrically Regenerated Fuel Regenerated (3-6% Fuel penalty) On-Line (<1% penalty) Off-Line Rypos core technology DPF Technology Confidential 5
- 6. Catalyzed Ceramic, Passive DPF Confidential 6
- 7. The Johnson Matthey DPF, regenerates soot based on chemistry of combustion •CO2+NO •CO2+NO •CO2+NO • NO2 •WallFlowFilter • C O + O 2 C O 2 •N O + O 2 NO2 •HC+ O 2 CO2+H2O •FlowThroughMonolith •NO2
- 8. Passive DPF, 350 KW 8
- 9. Active Exhaust Temperature DPF Continuously measures exhaust temperature and pressure and adds load to increase exhaust temperature when need, to assure health of both engine and filter
- 11. DPF Radiator Mounted Active Load Bank Active Exhaust Temperature DPF
- 13. Externally Active Exhaust Filter System with load bank in exhaust (750+ kW Generators) Air Filter TurboAfterCooler Turbo Electric Heater/ Load Bank Cummins Diesel Engine Exhaust DPF Control Panel Generator Heater Control Temp sensing Pressure sensing Precise DPF Temperature Control DPF and Silencing Unit DPF reduces PM 90%+ Standard Cummins Diesel Genset Clean Exhaust DPF-Genset Communication Continuously monitors exhaust temp and pressure and when building loads are low, adds heat to exhaust and exercises engine to assure health of both engine and filter • Cummins Power Generation
- 14. • eMission DPF Architecture eMission DPF System shown: Gas Flow is Right to Left • Cummins Power Generation
- 15. Confidential Heat Loss - 2000KW at Full Load Outlet Temp 300 F Flex Temp 510F Exhaust Manifold 660F Turbo Temp 910F
- 16. o Electro-conductive o High porosity (70 – 90 %) o Low back pressure o Withstands high temperatures (up to 1000oC) o Fast heating (low thermal mass) o High filtering efficiency (90% +) o High surface area o High mechanical strength o Shock and vibration resistant Sintered Metal Fibers Active Electrical Regeneration Technology Confidential 16
- 17. Rypos Proprietary Technology Active Filter Cartridges Sizes 3” – 13” Dia. Only Active Regenerated DPF where the FILTER element IS the HEATING element Intellectual Property • 4 US patents issued • Several patents in application • Advanced filter design • Proprietary control software • Proprietary circuit designs • Proprietary pleating method RYPOS Active DPF Regeneration Technology Confidential 17
- 18. Washcoat C Confidential 18 Basic Elements/Design Flow Control Filter Stack Electronics
- 19. Confidential 19 DOC Filter Cartridges Inlet Electronics Flow Control 19 Electrical Regeneration* *Only Active Regeneration DPF where the FILTER element IS the HEATING element RF-Large (48v +) RF-Medium (24v) RF-Small (12v) Active Filter Cartridges Outlet
- 20. Controlled Regeneration & System Monitoring • Pressure, temperature or time can be used to energize/regenerate filter elements • Individual Filter stack and cartridge selection • Determines regen timing, sequence and duty cycle • Real-time monitoring with remote display • Available engine control integration with Mod/Can bus • System Diagnostics Managed Regeneration Confidential 20
- 21. Confidential 21 RYPOS HDPF/C: Back Pressure 0 50 100 150 200 250 300 350 400 450 0 10 20 30 40 50 60 0:00 0:05 0:10 0:15 0:20 0:25 0:30 0:35 Temp.oF Backpressure,in.H2O Time, min. Cold Start Standard Cooling No Load run #24 Temp. Pressure Reg. Cycles
- 22. Confidential 22 Typical Regeneration Cycles Reg. Cycles 0 100 200 300 400 500 600 700 800 900 0 10 20 30 40 50 60 0 1 2 Temp.,oF Backpressure,in.H2O Time, hrs. Temp.
- 23. Confidential 23 RYPOS Active DPF Modules
- 24. Confidential 24 RYPOS Active AT-IV System Design Filter Section SCR Blocks Combined DPF/SCR System Control Panel, Urea Tank & Pump not shown
- 25. Amazon.com Delivered 13 large Generator set units to main data center Additional units expected Partnered with 2 Caterpillar dealer/installers Rypos Dealer or Partner Installer End User Stationary RyposEngineDealers Engineers / Specifications Stationary Power Generation 25Confidential FedEx Delivered 4 large Generator set units to main sorting facility Additional units expected MassPort Delivering two filters in Spring 2015 300 kw for parking garage 1 Mw for Central heating plant
- 26. * Caltech-Owens Valley Radio Observatory 1/2008 (2) 2005 Kohler 600kW Generator Sets Over 13,000 Operational hours per DPF Power Generation-Standby/Prime Power Confidential 26
- 27. Support for Rubber Tired Gantries 27 • How Can Rypos Help? – Support Terminal Operators in the Port • Install and maintain Rypos Filters – Educate the Port Authorities • Help build awareness and support for this important technology. • Allow older cranes to operate longer and emit less. – Help Port build on well established “green image”
- 28. APL Oakland STS Long Beach TraPac Los Angeles APM Los Angeles Experts in Rubber Tired Gantry Filters